1]
This application is all the information described in the literature of 07.21.2015 chair Korea Patent Application Korea Patent Application claims the benefit, and those of the priority based on the No. 10-2015-0102747 which is incorporated as a part hereof.
[2]
The present invention relates to a battery module provided with a wire fixing rib.
BACKGROUND
[3]
Recently, a secondary battery can be charged and discharged has been widely used as an energy source for wireless mobile devices. Further, the secondary battery has received attention also as an energy source, such as electric vehicle, hybrid electric vehicle, which is provided as a method for solving such as air pollution, such as conventional gasoline vehicles and diesel vehicles using fossil fuel. Therefore, the types of applications that use the secondary battery is being very angry due to various advantages of the secondary battery, the future is expected to rechargeable batteries applied to many sectors and products than now.
[4]
The secondary battery has the amount of the lithium ion battery, a lithium ion polymer battery, and be classified as a lithium polymer battery, etc., among which were the leakage potential of the electrolytic solution small, a lithium ion polymer battery which is easy to manufacture, depending on the configuration of the electrode and the electrolyte It is increasing.
[5]
In general, secondary batteries according to the shape of the battery case, the electrode assembly is a cylindrical battery and a prismatic battery that is embedded in a metallic can of cylindrical shape or square shape, the electrode assembly is a pouch-shaped battery that is embedded in a pouch-shaped case of the aluminum laminate sheet It is classified.
[6]
The secondary battery has a risk such as various mobile devices as well, but is widely used in a variety of energy sources of electronic products, in various combustible materials are embedded, overcharge, over-current, and other physical external impact or the like by heating, and explosion.
[7]
Overcharge, over-discharge, the protective circuit to block the excess current when the current increases significantly when temperature increases the resistance to the PTC device (Positive Temperature Coefficient Element) to cut off the current, block the pressure rising current corresponding to the gas generator or to the gas exhaust a safety vent, etc. There is a security system is provided, a plurality of battery modules are multi consisting of the combined structure, the over-discharge middle- or large-sized battery pack of the cell structure, charge, fuse, bimetal, for protecting the battery cells from over-current, such as BMS ( It is provided with a safety system, such as a Battery Management system).
[8]
The safety system as described above are wires connected to the voltage sensing terminals and safety system for detecting the voltage of the battery cells or the unit modules.
[9]
Figure 1 shows a schematic view of a battery module using the adhesive to secure the conventional voltage sensing wires are shown.
[10]
1, a battery module 10, the voltage sensing terminals 30 for voltage detection on the upper face periphery is formed. Voltage and the wires 50 to the sensing terminals 30 are connected, respectively, an adhesive 60 is applied to hold the wires extending to one side from the center (50).
[11]
In such a situation the structure that secures the adhesive to the coating or adhesive tape to secure each of the voltage sensing terminal and soldering the wires, and wires.
[12]
In this way, by using an adhesive or the tape is clean if the wires are miryeoham the appearance significantly degrade the reliability and satisfaction of the buyer to use to buy the product is lowered.
[13]
In addition, is applied to an incorrect is not coated with a uniform amount of adhesive location is a problem that the wire is not fixed uniformly, thereby leaving a problem also occurs when the conveyor line operation.
[14]
Furthermore, by using an adhesive such as the cost of material cost, non-process is generated, the manufacturing process is a problem in that the increase in cycle time caused by an irregular road.
Detailed Description of the Invention
SUMMARY
[15]
An object of the present invention is to solve the technical problem, which has been requested from the problems, and of the prior art.
[16]
Specifically, non-uniformity problems of the appearance problem, increased cost and process that occurs when the object of the invention is to use an adhesive or tape, to secure the voltage sensing wires are connected to the voltage sensing terminal to protect the rechargeable battery and BMS intended to solve, to form a rib for fixing the voltage sensing wires at the top of the module cover in an alternating manner to provide a battery module for fixing the wires.
Problem solving means
[17]
Battery module having wire fixing ribs according to the present invention for achieving these objects,
[18]
It is arranged in a stacked state in which the side of the plurality of battery cells and the adjacent battery cell stack, which form a step to the one end;
[19]
A first module cover and the second cover of the module structure in which the mutual coupling of the two sides to surround the electrode terminal of the battery cell stack;
[20]
The terminal plates for electrically connecting the electrode terminals of the battery cells;
[21]
The battery cell is mounted on the step portion of the stacked body BMS (Battery management System) that controls the operation of the battery module; And
[22]
Aligned to the the battery cell stack, and the one end is connected to the voltage sensing terminal, which is formed in a portion of the terminal plate, the voltage sensing wires in the other end is connected to the BMS;
[23]
A and it consists of a structure that comprises.
[24]
That is, the battery module having wire fixing ribs according to the invention, by fixing the voltage sensing wires without using an adhesive or tape is miryeoham of appearance is achieved, and to prevent the increase in cost due to the use of an adhesive or tape, in addition, due to a simple and uniform step of fixing by pressing the upper side of the voltage sensing wires can improve the cycle time.
[25]
According to the invention, the battery cell may selil cylindrical battery.
[26]
In one specific embodiment, the cell laminate, the number of the battery cells arranged in the bottom row may be, a relatively large structure than the number of the battery cells arranged in the column above the column bottom.
[27]
In this case, the stepped portion located at the top end portion of the battery cell stack, the structure of the battery module in the BMS is mounted on the step part state may have a hexahedral shape.
[28]
In one specific example, the first module cover and the second cover module may be a structure for housing therein the battery cell stack that are arranged stacked.
[29]
In this structure, the first module cover and the second cover module, there are holes corresponding to the plate-like terminals for electrically connecting the battery cell at a position corresponding to the electrode terminals can be formed.
[30]
In this case, there may be the first in a first module cover and the second cover, the module can flow through to cool the battery cell is formed.
[31]
At this time, the first module cover and the second cover module may be a structure that is interconnected by a fastening member.
[32]
Furthermore, the first cover may be a first module and the reinforcing member for reinforcing the outer side, the binding force of the second module cover are mounted, the reinforcement member can reinforce the binding force by the hook structure or elasticity.
[33]
In one specific example, it may be the first module cover and the second rib structure are formed respectively in an alternating manner that is fixing the voltage sensing wires at the top of the module cover.
[34]
In this case, the ribs are,
[35]
A first rib for fixing the voltage in the sensing wire is formed into a bar (bar) projecting in the coupling direction of the module cover in the shape of a space formed between the battery cells; And
[36]
A second rib for fixing the voltage sensing wires are formed in a groove shape corresponding to the outer diameter of the voltage sensing wires at the top surface of the module cover with the fitting structure from the top;
[37]
It may be a structure including the.
[38]
At this time, the first rib may be a structure that protrudes in a direction from the inner end of the coupling module cover.
[39]
In some cases, the first rib may be a structure which binds to the opening after pressing the voltage sensing wires in a space between the battery cells.
[40]
In either case, the second rib may be a structure that is formed in a shape protruding upward from the top surface of the module cover.
[41]
In this structure, the second rib may have a trench structure that is recessed downward in a projection protruding from the top surface of the module cover.
[42]
In one specific example, the length of the rib may have a 5% to 30% of the cell length.
[43]
According to the invention, the terminal plate has a structure may be configured to one another in more than one other terminal plate in order to connect the battery cells.
[44]
In some cases, the terminal plate can be in a state of being connected to the electrode terminals of the battery cells, the structure is attached to the outer surface of the module cover 1 and the second module cover.
[45]
In this case, the terminal plate may be connected to said battery cell, at least two or more in series, or in series and parallel.
[46]
The terminal plate,
[47]
Terminal connecting portion being in contact with the electrode terminals of the battery cells made up of a rectangular shape; And
[48]
Voltage sensing terminal, which is formed extending to the upper surface of the module cover and from one side of the terminal plate in order to detect the voltages of the battery cells;
[49]
It may be made to the structure.
[50]
In some cases, from the terminal connecting portion, the respective areas corresponding to the electrode terminals of the battery cells, the slits (slits) for the welding of the connection terminals and the electrode terminals can be formed.
[51]
In one specific example, the upper portion of the BMS may be a detachable BMS case for protecting the BMS from external impact and penetration of needle-shaped member is mounted.
[52]
The present invention provides a battery pack including the battery module.
[53]
The present invention also provides a device including the battery pack.
[54]
The device is a computer, cell phone, wearable electronics, wireless vacuum cleaners, power tools (power tool), unmanned air vehicle, electric bicycle, electric car: be selected from the group consisting of (Electric Vehicle EV), hybrid electric vehicles and power storage device can.
[55]
Because the structure and manufacturing method of such a device is well known in the art, in the present specification will be omitted detailed description thereof.
Brief Description of the Drawings
[56]
1 is a schematic view of a battery module using the adhesive in order to clean the conventional voltage sensing wire;
[57]
Figure 2 is a schematic view of a battery module provided with a wire fixing ribs according to a preferred embodiment of the present invention;
[58]
Figure 3 is a schematic view of a battery module provided with a wire fixing rib of Figure 2;
[59]
4 and 5 is a pattern diagram partially enlarged view of the fixing rib of the battery module of Figure 2;
Mode for the Invention
[60]
In the following description, explained with reference to the drawings according to an embodiment of the present invention, which are for a more easy understanding of the invention, the scope of the present invention is not intended to be limited by it.
[61]
Figure 2 is shown a schematic view of a battery module provided with a wire fixing ribs according to a preferred embodiment of the present invention, there is shown a schematic view of a battery module has 3 having wire fixing rib of FIG.
[62]
2 and with the Figure 3, the battery module 100 includes a first module cover coupled together to surround the battery cell stack 110, a battery cell stack 110 of the 101, a plurality of battery cells 121 and second module cover 122, battery cells 101, connection terminals BMS (140), and voltage sensing terminal that controls the operation of the plate 130, the battery module 100 in which the (131 ) and is configured to include the voltage sensing wires are connected to the BMS (140) (150).
[63]
Battery cell stack 110 are arranged in a laminated state in which the side of the 101, a plurality of battery cells adjacent. Battery cell stack 110 Because of the high heat than (110b) above the bottom row number of the battery cells 101 is arranged in the bottom column (110a) it is formed a stepped shape. The step portion 123 of the battery cell stack is positioned at the top of one end of the battery cell stack 110.
[64]
Battery cell stack 110 is a structure that is accommodated in the first module cover 121 and the second module cover 122. Possible cell BMS (140), the step portion 123 of the cell stack 110 is mounted, the upper part of the BMS (140) is removable in order to protect the BMS (140) from the through external impact and needle member BMS case ( 141) is fitted.
[65]
And a BMS (140), the step portion 123 of the battery cell stack 110 to control the operation of the battery module 100 is equipped with a battery when the BMS case 141 is mounted to protect the BMS (140) module 100 is formed by the cube shape.
[66]
The voltage sensing wires 150 cells aligned to the stacked body 110, and one end is connected to the voltage sensing terminal, which is formed in a portion of the terminal plate 130 (131), the other end of the battery It is connected to the BMS (140) that controls the operation of the module 100. The voltage sensing wires 150 are fixed by the ribs 161 and 162.
[67]
BMS (140), the LED board connector provides a the power line (153, 154) are connected to power, and is connected BMS lead wire 155 for charging, connected to an external LED board display information such as state of charge ( 156) are connected.
[68]
A first module cover 121 and the second module cover 122 are coupled together by the fastening member 127. The outer cover of the first module 121 and second module cover 122 is mounted to the reinforcing members to enhance the bonding strength (125).
[69]
The terminal plate 1 the module cover 121 and the second module cover 122 is to electrically connect the battery cells 101 at a position corresponding to receiving a battery cell stack 110 to the inside of the electrode terminals ( 130) has holes (128) are formed corresponding to the shape.
[70]
Claim 1 to cool the module cover 121 and the second module cover the hole formed in 122 128 and the battery cells 101. The battery cell 101, the refrigerant flows into the spaces between.
[71]
The terminal plate 130 is mounted on the outer surface of a connection state of the electrode terminals of the battery cells 101, a first module cover 121 and the second module cover 122 is exposed to the outside.
[72]
And the terminal plate 130 battery cells 101, the structure is configured to connect to each other with the other two or more terminal plate 130 to, and electrically connected to the electrode terminals of the battery cells 101. The terminal plate 130 is connected to the two battery cells 101 or the four battery cells 101 in series, or in series and parallel.
[73]
Terminal plate 130 is composed of a terminal connecting portion 132 and the voltage sensing terminal 131.
[74]
Terminal connector 132 of the battery cells 101 contacting the electrode terminal to electrically connect, and voltage sensing terminal 131 is a terminal plate 130 for detecting the voltage of the battery cells 101 and it extends in the top surface of the module cover (121, 122) from one side. The voltage sensing terminal 131 are respectively connected by wires 150 and soldering.
[75]
In the terminal connecting portion 132, in each region corresponding to the electrode terminals of the battery cells 101, the slit 135 for the welding of the connection terminal 132 and the electrode terminals are formed, respectively.
[76]
4 and 5 there is shown a schematic diagram showing a partially enlarged view of the fixing rib of the battery module of Figure 2;
[77]
4 and 5 together, the ribs 161 and 162 is composed of the first rib 161 and the second rib 162 of the fitting structure of the bar-shaped.
[78]
The ribs 161 and 162 are respectively formed in alternating manner so as to secure the voltage sensing wires 150 to the upper end of the first module cover 121 and the second module cover 122.
[79]
The first rib 161 is the space defined by the module cover coupling direction (Y axis direction), a method is formed in a bar-shaped voltage sensing wire 150 projecting in the 121 and 122 between the battery cells 101 It is fixed to. The first rib 161 protrudes coupling direction (Y axis direction) from the inner end of the module cover (121, 122).
[80]
The second rib 162 is formed in an upwardly protruding from the upper surface of the module cover (121, 122). The second rib 162 has a trench structure, which is recessed downward in a protruding projection.
[81]
The fixing to the second rib 162 is the module cover of 121 and 122, alignment structure into a voltage sensing wire 150 in formed in a groove shape corresponding to the outer diameter of the voltage sensing wires 150 on the top surface from the top of the and it is coupled to the voltage sensing terminal 131.
[82]
The length (L 1 of the ribs 161, 1 ) is 15%, and the length (L in the second rib of the cell length (L) 2 is 10% of) the length of the battery cell.
[83]
[84]
Those of ordinary skill in the art that the present invention, it will be possible that various and modifications within the scope of the present invention based on the above information.
Industrial Applicability
[85]
As described above, the battery module having wire fixing ribs according to the present invention, by using an adhesive or tape, the effect of improving the miryeoham of appearance as compared with the case to clean the wire to improve the buyer's confidence and satisfaction to provide.
[86]
Further, because it does not use an adhesive to provide an effect of reducing costs such as material costs, the process ratio.
[87]
Further, since the wire is fixed without using an adhesive to provide an effect of preventing the problem that at the time of leaving the conveyor line operation, and also improves cycle time of the manufacturing fixed.

Claims
[Claim 1]
A plurality of stacked arrangement to the side adjacent the state of the battery cells and the battery cell stack, which form a step to the one end; to surround the both sides of the electrode terminal of the battery cell stack interconnection structure comprising: a first module cover and the second of which 2 module cover; (battery management System) BMS, which is attached to the step portion of the battery cell stack controls the operation of the battery module, the terminal plate electrically connected to the electrode terminals of the battery cells; Characterized in that it comprises; and in an aligned state on the cell stack body, and one end is connected to the voltage sensing terminal, which is formed in a portion of the terminal plate, the voltage sensing wires, which is the other end connected to the BMS battery module.
[Claim 2]
The method of claim 1, wherein the battery cell is a battery module, characterized in that the cylindrical battery cells.
[Claim 3]
The method of claim 1, wherein the cell laminate, the number of the battery cells arranged in the bottom column, the battery module, characterized in that a relatively large than the number of the battery cells arranged in the column above the column bottom.
[Claim 4]
The method of claim 1, wherein the step portion is located at the top of one end of the cell stack body, the structure of the battery module in the BMS is mounted on the step part state battery module characterized in that it has a six-sided shape.
[Claim 5]
The method of claim 1, wherein on the first module cover and the second module cover has a structure for housing the battery cell stack that are arranged stacked therein, the first module cover and the second module cover, the electrode terminal that the holes corresponding to that of the battery cell in the corresponding location electrically connected to the plate-like terminals are formed a battery module according to claim.
[Claim 6]
The method of claim 1, wherein the first to the module cover and the second module cover which is a reinforcing member to each other and in combination, enhance the first module cover and the outside, the coupling force of the second module cover are attached by a fastening member the battery module according to claim.
[Claim 7]
The method of claim 1, wherein the first module and second module cover covering the top of the voltage sensing cell module, characterized in that ribs for fixing the wire are formed each in alternating manner.
[Claim 8]
The method of claim 7, wherein the ribs, the first rib for fixing the voltage in the sensing wire is formed into a bar (bar) shape projecting in the coupling direction of the module cover and the space formed between the battery cells; And a second rib for fixing the voltage sensing wires are formed in a groove shape corresponding to the outer diameter of the voltage sensing wires at the top surface of the module cover with the fitting structure from the top; battery module comprising: a.
[Claim 9]
The method of claim 8, wherein the first rib has a battery module, characterized in that comprising a structure that protrudes in a direction from the inner end of the coupling module cover.
[Claim 10]
The method of claim 8, wherein the first rib has a battery module, characterized in that the structure which binds to an opening formed in the frame after pushing the voltage sensing wires in a space between the battery cells.
[Claim 11]
The method of claim 8, wherein the second rib is a battery module, characterized in that it is formed in a shape protruding upward from the top surface of the module cover.
[Claim 12]
The method of claim 8, wherein the second rib is a battery module, characterized in that has a trench structure, which is recessed downward in a projection protruding from the top surface of the module cover.
[Claim 13]
10. The method of claim 8, wherein the length of said ribs, characterized in that the battery module has a 5% to 30% of the cell length.
[Claim 14]
The method of claim 1, wherein the terminal plate has a battery module, characterized in that the structure for connecting the battery cells to each other is configured with more than one other terminal plate.
[Claim 15]
The method of claim 1, wherein the terminal plates are, in a state of being connected to the electrode terminals of the battery cells, a is mounted on the outer surface of the first module cover and the second module cover, at least a series of two or more of the battery cells, or in series and the battery module characterized in that connected in parallel.
[Claim 16]
The method of claim 15, wherein the terminal plate, the terminal connection part that is in contact with the electrode terminals of the battery cells made up of a rectangular shape; The battery module according to claim consisting of; and a voltage sensing terminal, which is formed extending to the upper surface of the module cover and from one side of the terminal plate in order to detect the voltages of the battery cells.
[Claim 17]
17. The method of claim 16, wherein in the terminal connecting portion, each of the regions, the battery module, characterized in that the slits (slits) for the welding of the terminal connection part and the electrode terminals are formed corresponding to the electrode terminals of the battery cells.
[Claim 18]
The method of claim 1, wherein the battery module, characterized in that the upper portion of the BMS, the BMS detachable case for protecting the BMS from external impact and penetration of needle-shaped member is attached.
[Claim 19]
The battery pack comprises a battery module according to one of the preceding claims.
[Claim 20]
Device comprising the battery pack according to claim 19.