Title of Invention: Electronic Control Device
Technical field
[0001]
　The present invention relates to an electronic control device mounted with a heat-generating component.
Background technology
[0002]
　2. Description of the Related Art Some electronic control units mounted on vehicles have a circuit board on which electronic components are mounted and housed in a case. There is a technique disclosed in Patent Document 1 regarding such an electronic control device.
[0003]
　The electronic control device is for driving a three-phase electric motor, and has a circuit board on which electronic components such as a plurality of heat generating components are mounted, two connectors arranged on the edge of the circuit board, and one surface. It has a case provided with an opening in the case for accommodating the circuit board, and a sealing member filled in the inside of the case through the opening to seal the circuit board.
[0004]
　One of the two connectors is a control connector for a control circuit that controls the switching operation of the three-phase bridge drive circuit. The other connector is a drive connector for a three-phase bridge drive circuit that drives a three-phase electric motor.
[0005]
　The circuit board is provided with a plurality of insertion holes into which the terminals of the drive connector are inserted. The plurality of insertion holes are arranged so as to form two rows along the edge of the circuit board. The plurality of insertion holes are conducted separately from the connector pattern provided on the circuit board.
Prior art literature
patent literature
[0006]
Patent Document 1: Japanese Patent Application Laid-Open No. 2015-050274
Outline of the invention
Problems to be solved by the invention
[0007]
　Compared to other electronic components, heat-generating components draw a large amount of current. In order to cope with this large current, the terminal of the drive connector has a flat plate shape. The insertion hole into which the flat terminal is inserted has an elongated shape and has a predetermined width (diameter of the hole). Of course, in the circuit board, the connector pattern drawn out from the insertion hole having a predetermined width is also set to have a predetermined width. Therefore, when the connector pattern is pulled out from one of the insertion holes arranged in two rows, the insertion holes in the other row may interfere.
[0008]
　SUMMARY OF THE INVENTION An object of the present invention is to provide a technique for increasing the degree of freedom in designing a connector pattern that can be connected to a flat terminal of a connector.
Means to solve problems
[0009]
　According to claim 1, a circuit board on which a plurality of heat generating components are mounted and a connector arranged on the edge of the circuit board are provided, and the connector includes a plurality of flat plate-shaped terminals, and the plurality of connectors are provided. Terminals are individually connected to a plurality of connector patterns provided on the circuit board. In an electronic control device, the
　plurality of connector patterns are individually connected to the plurality of terminals. The plurality of connecting
　portions include a plurality of first connecting portions arranged along the edge on which the connector is arranged, and a plurality of the first connecting portions thereof in the circuit board. The second connector, which is arranged along the connector and is composed of a plurality of second connectors located closer to the center of the circuit board than the plurality of first connectors, and is
　adjacent to each other. The area between the connecting portions is a free area, and the
　plurality of first connecting portions include a specific connecting portion in which at least a part is located between the free area and the edge of the circuit board. An electronic control device is provided ,
　wherein the plurality of connector patterns include a specific pattern connected to the specific connection portion, and the specific pattern passes through the free area.
[0010]
　As described in claim 2, preferably, an electronic component is mounted between the edge of the circuit board on which the connector is arranged and the specific connection portion.
[0011]
　As described in claim 3, preferably, the electronic component is a heat-generating component different from the plurality of heat-generating components.
[0012]
　As described in claim 4, preferably, the connector is provided on the first surface of the circuit board, and the
　plurality of terminals penetrates the circuit board and extends through the first surface of the circuit board.
　all of the plurality of heat-generating components are provided on the first surface, and the
　inside of the circuit board or the first surface is electrically conductive and is provided with a plurality of heat-generating component patterns that are individually connected to the plurality of heat-generating components, and
　the second surface is provided with a plurality of heat-radiating patterns having conductivity and heat-radiating properties. The plurality of heat radiation patterns are individually connected to
　the plurality of heat generating component patterns by a plurality of conductive and heat conductive vias, and the
　plurality of heat radiation patterns are connected to the plurality of terminals. It extends to the position and is individually connected to the plurality of terminals.
[0013]
　As described in claim 5, preferably, the plurality of heat generating parts are covered with a single cover that diffuses heat generated from the plurality of heat generating parts.
[0014]
　As described in claim 6, preferably, the circuit board is housed in a case provided with an opening, and is sealed by a resin sealing member filled inside the case.
[0015]
　According to claim 7, in the connector that has a plurality of flat terminals and that can be mounted on a circuit board, the
　plurality of terminals are individually connected to a plurality of connector patterns provided on the circuit board. a plurality of possible connection ends, the
　plurality of connection ends being a plurality of first connection ends arranged along an edge of the circuit board on which the connector is arranged; and a plurality of second connection ends arranged along the first connection ends and located closer to the center of the circuit board than the plurality of first connection portions, and the second connection ends
　adjacent to each other . A specific connection in which an area between second connection ends is defined as an empty area, and
　at least a portion of each of the plurality of first connection ends is located between the empty area and the edge of the circuit board. A connector is provided that includes an end.
Effect of the invention
[0016]
　In claim 1, each connector pattern provided on the circuit board has a connecting portion connected to another flat terminal. Of the plurality of connection portions, those arranged along the edge of the circuit board on which the connector is arranged are referred to as the plurality of first connection portions. Further, among the plurality of connection portions, those that are arranged along the plurality of first connection portions and that are located closer to the center of the circuit board than the plurality of first connection portions are those that are located on the center side of the circuit board. It is a connection part.
[0017]
　Assuming that the space between the second connection portions adjacent to each other is an empty region, the plurality of first connection portions are at least partially located between the empty region and the edge of the circuit board. contains the part. That is, at least part of the specific connection portion (first connection portion) and the empty area overlap in the direction from the edge of the circuit board toward the center of the circuit board. In this case, it is possible to form a connector pattern (specific pattern) extending from the specific connection portion (first connection portion) toward the central side of the circuit board. Therefore, the degree of freedom in designing the connector pattern increases.
[0018]
　In claim 2, the connector pattern including the specific connection portion extends from the edge of the circuit board toward the center of the circuit board. Therefore, a space is created between the edge of the circuit board and the specific connection portion. Electronic components can be mounted in this space. The space can be effectively used and the circuit board can be miniaturized.
[0019]
　In claim 3, a heat-generating component is mounted between the edge of the circuit board on which the connector is arranged and the specific connection portion. Therefore, the heat of the heat-generating component is easily radiated to the outside.
[0020]
　In claim 4, a plurality of heat-generating component patterns having conductivity and connecting a plurality of heat-generating components individually are provided inside the circuit board or on the first surface. A plurality of heat dissipation patterns having conductivity and heat dissipation are provided on the second surface. The plurality of heat dissipation patterns are individually connected to the plurality of heat generating component patterns by a plurality of vias having conductivity and heat transfer properties. The plurality of heat generating parts are all provided on the first surface. Since no heat generating component is provided on the second surface, a space for arranging the heat dissipation pattern is created. The area of ​​the heat dissipation pattern can be increased, and the heat dissipation efficiency of the heat generating parts is improved.
[0021]
　In addition, the plurality of heat dissipation patterns extend to the portion where the plurality of terminals are located and are individually connected to the plurality of terminals. Therefore, the heat of the plurality of heat-generating components can be dissipated to the outside from the plurality of terminals.
[0022]
　In claim 5, the plurality of heat generating parts are covered with a single cover that diffuses the heat generated from the heat generating parts. If a plurality of heat generating components are mounted on both sides of the circuit board, two covers are required. By consolidating a plurality of heat generating parts on one surface and covering them with a single cover, the number of parts of the cover can be reduced.
[0023]
　In claim 6, the circuit board is housed in a case having an opening and is sealed by a resin sealing member filled inside the case. Therefore, the circuit board and the heat generating component can be protected by the sealing member.
[0024]
　In claim 7, the connector is of a type that can be mounted on a circuit board, and has a plurality of flat terminals. The plurality of terminals has a plurality of connection ends that can be individually connected to connector patterns provided on the circuit board. Among the plurality of connection ends, those arranged along the edge of the circuit board on which the connector is arranged are defined as the plurality of first connection ends. Among the plurality of connection ends, those arranged along the plurality of first connection ends and positioned closer to the center of the circuit board than the plurality of first connection portions are referred to as the plurality of second connection ends. and
[0025]
　Assuming that the area between the second connection ends adjacent to each other is the empty area, the plurality of first connection ends are at least partly located between the empty area and the edge of the circuit board. Includes ends. That is, at least part of the specific connection end (first connection end) and the empty area overlap in the direction from the edge of the circuit board toward the center of the circuit board. In this case, it is possible to form a connector pattern (specific pattern) extending from the specific connection end (first connection end) toward the central side of the circuit board. Therefore, the degree of freedom in designing the connector pattern increases.
Brief description of the drawing
[0026]
1] FIG. 1(a) is a perspective view of an electronic control device according to an embodiment. [FIG. FIG. 1(b) is a perspective view of a circuit board of the electronic control device of FIG. 1(a). FIG.1(c) is a figure explaining the connector mounted with respect to the circuit board of FIG.1(b).
2] FIG. 2(a) is a diagram illustrating a first surface (front surface) of the circuit board of FIG. 1(b). [FIG. FIG. 2(b) is a diagram illustrating the second surface (rear surface) of the circuit board in FIG. 1(b).
3] FIG. 3(a) is a view in the direction of arrow 3(a) of FIG. 1(c). [FIG. FIG.3(b) is a figure explaining the connector seen from the opening side.
4 is a cross-sectional view taken along line 4-4 of FIG. 1(a); FIG.
5 is an enlarged view of a part of the second surface (rear surface) of the circuit board shown in FIG. 2(b); FIG.
Mode for carrying out the invention
[0027]
　Embodiments of the present invention will be described below with reference to the accompanying drawings. In the figure, Up indicates the upper part and Dn indicates the lower part.
[0028]

　FIG. 1(a) shows an electronic control unit 10 according to an embodiment. This electronic control unit 10 is mounted on a vehicle such as a two-wheeled vehicle and drives a three-phase electric motor.
[0029]
　Please refer to FIG. 1(a) and FIG. 1(b). The electronic control unit 10 has a three-phase bridge drive circuit 11 that drives the three-phase electric motor, and a control circuit 12 that controls the switching operation of the three-phase bridge drive circuit 11 .
[0030]
　The three-phase bridge drive circuit 11 has six heat-generating components 21 to 26, three capacitors 13, and a drive connector 30 (connector). The six heat-generating components 21-26 are covered with a single cover 14 that diffuses the heat generated from the heat-generating components 21-26.
[0031]
　The control circuit 12 has a control connector 15. The description of the configuration of the control circuit 12 will be omitted.
[0032]
　A circuit board 40 on which the capacitor 13 and the heat-generating components 21 to 26 are mounted is housed in a case 16 having an opening 16a and sealed with a resin sealing member 17. As shown in FIG.
[0033]
　Please refer to FIG. 1(b) and FIG. 1(c). The driving connector 30 is provided on the first edge 42 of the surface 41 (first surface) of the circuit board 40 . The drive connector 30 includes a plurality of (e.g., eight) L-shaped flat plate-shaped first terminals 51 to eighth terminals 58, and a housing 31 housing some of these terminals 51 to 58. , is equipped with
[0034]
　Note that a flat terminal means a terminal having a predetermined width, and does not include a pin-shaped terminal. The first to eighth terminals 51 to 58 may be straight flat plate terminals. That is, a connector in which the direction normal to the surface 41 is the insertion direction may be adopted.
[0035]
　The circuit board 40 is provided with eight insertion holes 61 to 68 (connection portions) into which the first terminal 51 to the eighth terminal 58 of the connector 30 can be individually inserted.
[0036]
　Please refer to FIG. The six heat-generating components 21 to 26 are arranged in a grid of 2 rows and 3 columns. Of the six heat-generating components 21 to 26, those located on the side of the second edge 43 opposite to the first edge 42 are referred to as the first heat-generating components 21 to 23 (heat-generating components). , are located on the side of the first edge 42 are referred to as the second heat-generating components 24 to 26 .
[0037]
　A first heat-generating component pattern 81 connected to the first heat-generating component 21 is provided on the surface 41 of the circuit board 40 . Similarly, the surface 41 of the circuit board 40 has a second heat-generating component pattern 82 connected to the first heat-generating component 22 and a third heat-generating component pattern 82 connected to the first heat-generating component 23 . A pattern 83 is provided. A description of the patterns mounted on the second heat-generating components 24 to 26 is omitted.
[0038]
　See FIG. 2 (b). The back surface 44 of the circuit board 40 is provided with first connector patterns 71 to eighth connector patterns 78 that are individually conductive with the insertion holes 61 to 68. The connector patterns 71 to 78 are made of copper in a layered manner. The first connector pattern 71, the second connector pattern 72, and the sixth connector pattern 76 are also three heat dissipation patterns having conductivity and heat dissipation.
[0039]
　Of the insertion holes 61 to 68, those arranged along the first edge 42 of the circuit board 40 are referred to as the first insertion holes 61 to 65 (first connection portion). Further, among the insertion holes 61 to 68, the insertion holes 61 to 68 are arranged along the first insertion holes 61 to 65, and the center side of the circuit board 40 is closer to the center side than the first insertion holes 61 to 5 (see arrow C). The second insertion holes 66 to 68 (second connection portion) are located at. The number of the first insertion hole and the number of the second insertion hole can be changed as appropriate.
[0040]
　See FIGS. 3 (a) and 3 (b). The housing 31 includes a holding portion 32 that holds the first terminal 51 to the eighth terminal 58, and a bottom portion 33 that faces the surface 41 of the circuit board 40 when the drive connector 30 is mounted on the circuit board 40. , And a top plate portion 34 facing the bottom portion 33. The bottom portion 33 and the top plate portion 34 form a part of the opening 31a of the housing 31.
[0041]
　The first terminal 51 has a connection end 51a that can be connected to the first connector pattern 71 (see FIG. 2B) via the first insertion hole 61 (see FIG. 2A). is doing. Similarly, the second terminal 52 to the eighth terminal 58 pass through the first insertion hole 62 to the second insertion hole 68, and the second connector pattern 72 to the eighth connector pattern 78. It has a connection end 52a to a connection end 58a that can be connected to.
[0042]
　The connection between the terminals 51 to 58 of the drive connector 30 and the connector patterns 71 to 78 of the circuit board 40 is not limited to the insertion structure, and any structure that enables conduction by contacting each other can be used. I don't mind.
[0043]
　Of the eight connection ends 51a to 58a, those arranged along the holding portion 32 of the housing 31 are defined as first connection ends 51a to 55a. Of the eight connecting ends 51a-58a, those arranged along the first connecting ends 51a-55a are referred to as second connecting ends 56a-58a. The second connection ends 56a-58a are located farther from the holding portion 32 than the first connection ends 51a-55a.
[0044]
　The first terminal 51 has an outer end 51b that can be connected to the terminal of the other connector. Similarly, the second terminal 52 to the eighth terminal 58 have external ends 52b to 58b that can be connected to the terminal 5 of the connector of the other party.
[0045]
　Of the eight outer ends 51b to 58b, those arranged along the bottom 33 of the housing 31 are referred to as the first outer ends 51b to 55b. Of the eight outer ends 51b to 58b, those arranged along the first outer ends 51b to 55b are referred to as the second outer ends 56b to 58b. The second outer ends 56b to 58b are located closer to the top plate portion 34 of the housing 31 than the first outer ends 51b to 5b. The second outer ends 56b to 58b can be connected to a three-phase AC motor. For example, the second outer end 58b is the U phase, the second outer end 57b is the V phase, and the second outer end 56b is W. Connect with the phase.
[0046]
　See FIG. The first connector pattern 71 (heat dissipation pattern) and the first heat generating component pattern 81 are connected by a plurality of first through-hole vias 45 (vias) having conductivity and heat transfer properties. Has been done. The first heat-generating component pattern 81 may be provided inside the circuit board 40. The via 45 may be internally filled or may be provided directly below the first heat generating component 21.
[0047]
　A first connection end 51 a of the first terminal 51 is inserted into the first insertion hole 61 and penetrates the circuit board 40 . Therefore, the first terminal 51 can be electrically connected to the first heat-generating component pattern 81 . The first connector pattern 71 and the second heat generating component 24 overlap in the thickness direction of the circuit board 40 .
[0048]
　See FIGS. 2 (a) and 2 (b). Similarly, the sixth connector pattern 76 (heat dissipation pattern) and the sixth connector pattern 76 are connected by a second through-hole via 46 (via) having conductivity and heat transfer. Has been done. The sixth terminal 56 is conductive with the pattern 82 for the second heat generating component.
[0049]
　The second connector pattern 72 (heat radiation pattern) and the third heat-generating component pattern 83 are connected by a third through-hole via 47 (via) having conductivity and heat transfer properties. there is The second terminal 52 can be electrically connected to the third heat generating component pattern 83 .
[0050]
　Please refer to FIG. The first through-hole via 45 is located between the first heat-generating component 21 and the second heat-generating component 24 . Similarly, a second through-hole via 46 is located between the first heat-generating component 22 and the second heat-generating component 25 . A third through-hole via 47 is located between the first heat-generating component 23 and the second heat-generating component 26 .
[0051]
　Please refer to FIG. On the rear surface 42 of the circuit board 40 , the area between the second insertion holes 66 and the second insertion holes 67 adjacent to each other is defined as a first empty area 91 . A part of the first insertion hole 62 (specific connection portion) is located between the first empty area 91 and the first edge 42 of the circuit board 40 . A second connector pattern 72 (specific pattern) electrically connected to the first insertion hole 62 extends from the first edge 42 of the circuit board 40 toward the center of the circuit board 40, It passes through the empty area 91 .
[0052]
　The lines extending from both ends of the first free area 91 in the longitudinal direction toward the first edge 42 are referred to as a first line L1 and a second line L2. The first insertion hole 62 may be located between the first line L1 and the second line L2.
[0053]
　An electronic component such as a third heat generating component 27 is mounted between the first edge 42 of the circuit board 40 and the first insertion hole 62 .
[0054]
　Effects of the embodiment will be described.
[0055]
　Please refer to FIG. A part of the first insertion hole 62 (specific connection portion) is located between the first empty area 91 and the first edge 42 of the circuit board 40 . Therefore, the second connector pattern 72 electrically connected to the first insertion hole 62 can pass through the first empty area 91 and extend toward the center of the circuit board 40 (see arrow C). can. The degree of freedom in pattern design increases.
[0056]
　See FIG. 2 (b). The area between the second insertion hole 67 and the second insertion hole 568 adjacent to each other is defined as a second empty area 92 . A portion of the first insertion hole 64 is located between the second empty area 92 and the first edge 42 of the circuit board 40 . Therefore, the fourth connector pattern 74 may pass through the second empty area 92 .
[0057]
　Please refer to FIG. An electronic component such as a third heat generating component 27 is mounted between the first edge 42 of the circuit board 40 and the first insertion hole 62 . By extending the second connector pattern 72 toward the center of the circuit board 40 , a space is created between the first edge 42 of the circuit board 40 and the first insertion hole 62 . A third heat-generating component 27 is mounted in this space. The space can be effectively utilized and the circuit board 40 can be miniaturized.
[0058]
　In addition, since the third heat-generating component 27 is arranged near the first edge 42 on the side where the drive connector 30 is provided (see FIG. 1(c)), the heat of the third heat-generating component 27 is , heat is easily radiated to the outside through the flat terminals 51 to 58 of the drive connector 30 .
[0059]
　See FIG. 3 (a). The connector 30 is viewed from the direction facing the bottom 33 of the housing 31. The area between the second connection end 56a and the second connection end 57a is designated as the third free area 93. A part of the first connection end 52a (specific connection end) is located between the third free area 93 and the holding portion 32 (the first edge 42 side of the circuit board 40) of the housing 31. It becomes. In the circuit board 40 on which the connector 30 having such a configuration is mounted, the second connector pattern 72 (specific pattern) passes through the first free area 91 (third free area 93) as described above. Can be set as. Increases the degree of freedom in pattern design.
[0060]
　Other effects of the examples will be described.
[0061]
　See FIG. The surface 41 of the circuit board 40 is provided with a first heat generating component pattern 81 connected to the first heat generating component 21. A first connector pattern 71 (heat dissipation pattern) having conductivity and heat dissipation is provided on the back surface 44 of the circuit board 40. The first pattern 71 and the first heat generating component pattern 81 are connected by a first through-hole via 45 (via). All of the first heat generating component 21 to the second heat generating component 26 are mounted on the surface 41 of the circuit board 40 (see FIG. 2A). Since the back surface 44 is not provided with the heat generating component, a space for arranging the first connector pattern 71 is created. The area of ​​the first connector pattern 71 can be increased, and the heat dissipation efficiency of the first heat generating component 21 is increased.
[0062]
　In addition, the first connector pattern 71 extends to the portion where the first terminal 51 is located and is connected to the first terminal 51. The heat of the first heat generating component 21 is dissipated to the outside from the first terminal 51.
[0063]
　Please refer to FIG. 1(a) and FIG. The first heat-generating components 21-23 and the second heat-generating components 24-26 are covered with a cover 14. As shown in FIG. If the second heat-generating components 24 to 26 are mounted on the rear surface 44 of the circuit board 40, two covers are required. By concentrating the heat-generating components 21 to 26 on the surface 41 and covering them with a single cover 14, the number of covers can be reduced.
[0064]
　In addition, the circuit board 40 is housed in a case 16 provided with an opening 16a, and is sealed by a resin sealing member 17 filled inside the case 16. Therefore, the circuit board 40 can be protected by the sealing member 17.
[0065]
　It should be noted that the present invention is not limited to the examples as long as the action and effect of the present invention are exhibited.
Industrial applicability
[0066]
　The electronic control unit of the present invention is suitable for motorcycles.
Code explanation
[0067]
DESCRIPTION OF SYMBOLS 10... Electronic control unit
14... Cover
16... Case
17... Sealing member
21-23... First heat-generating component (plurality of heat-generating components)
24-26... Second heat-generating component (plurality of heat-generating components)
27... Third Heat-generating components (heat-generating components different from a plurality of heat-generating components)
30 Drive connector (connector)
31 Housing
32 Holding portion
40 Circuit board
41 Surface (first surface)
42 First edge ( Edge)
44 Back surface (second surface)
45 to 47 First through-hole via to third through-hole via (via)
51 to 58 First terminal to eighth terminal (terminal)
51a to 55a First connection end 52a Specific connection ends
56a to 58a Second connection ends
61 to 65 First insertion hole (first connection portion) 62 Specific connection portions
66 to 68 Second insertion hole (second connecting portion)
71 to 78: first connector pattern to eighth connector pattern (connector pattern)
71: heat radiation pattern
72: heat radiation pattern, specific pattern
76 ... Heat dissipation patterns
81 to 83 ... First heat generation component pattern to third heat generation component pattern (heat generation component pattern)
91 to 93 ... First free area to third free area
C ... Circuit board Central side
The scope of the claims
[Claim 1]
　A circuit board on which a plurality of heat-generating components are mounted, and a connector disposed on the edge of the circuit board, wherein the connector includes a plurality of flat terminals, and the terminals are connected to the circuit board. The electronic control device is individually connected to a plurality of conductive connector patterns provided in the electronic control device,
　wherein the plurality of connector patterns are individually connected to the plurality of terminals a connecting portion,
　wherein the plurality of connecting portions includes a plurality of first connecting portions arranged along the edge of the circuit board where the connector is arranged; a plurality of second connection portions arranged along the connection portion and positioned closer to the central side of the circuit board than the plurality of first connection portions
　; An area between the connection parts is defined as a free area, and the
　plurality of first connection parts includes a specific connection part at least partially positioned between the free area and the edge of the circuit board. , the
　plurality of patterns includes a specific pattern connected to the specific connection portion, and the specific pattern passes through the empty area.
[Claim 2]
　2. The electronic control device according to claim 1, wherein an electronic component is mounted between said edge of said circuit board on which said connector is arranged and said specific connection portion.
[Claim 3]
　3. The electronic control device according to claim 2, wherein the electronic component is a heat-generating component different from the plurality of heat-generating components.
[Claim 4]
　The connector is provided on a first surface of the circuit board, and the
　plurality of terminals extend through the circuit board to a second surface opposite to the first surface of the circuit board. All of the
　plurality of heat-generating components are provided on the first surface, and
　the inside of the circuit board or the first surface has conductivity, and the heat-generating components and the plurality of heat-generating components are electrically conductive. A plurality of heat-generating component patterns that are individually connected are provided,
　a plurality of heat-dissipating patterns having conductivity and heat dissipation are provided on the second surface, and the plurality of heat-
　dissipating patterns are conductive. The plurality of heat-generating component patterns are individually connected to the plurality of heat-generating component patterns by a plurality of vias having thermal conductivity and heat-conducting properties, and the
　plurality of heat-dissipating patterns extend to portions where the plurality of terminals are located. 4. The electronic control device according to any one of claims 1 to 3, wherein the electronic control device is individually connected to the terminals of the .
[Claim 5]
　5. The electronic control device according to claim 4, wherein said plurality of heat generating components are covered with a single cover that diffuses heat generated from said plurality of heat generating components.
[Claim 6]
　6. The circuit board according to claim 4 or 5, wherein the circuit board is housed in a case having an opening and is sealed with a resin sealing member filled in the inside of the case. Electronic control unit as described.
[Claim 7]
　In a connector that has a plurality of flat plate-shaped terminals and can be mounted on a circuit board, the
　plurality of terminals has a plurality of connection ends that can be individually connected to a plurality of connector patterns provided on the circuit board. wherein the
　plurality of connection ends includes a plurality of first connection ends arranged along an edge of the circuit board on which the connector is arranged, and a plurality of first connection ends along the plurality of first connection ends. and a plurality of second connection ends arranged in the same direction and positioned closer to the central side of the circuit board than the plurality of first connection ends,
　wherein the second connection ends adjacent to each other are connected to each other. A connector, wherein an area between them is an empty area, and the
　plurality of first connection ends include specific connection ends at least partially located between the empty area and the edge of the circuit board.