Abstract: A testing equipment for receiving and testing motors, said testing equipment comprising: a. mechanical jig comprising at least two adjacently located mounting means, each of said mounting means adapted to mount a motor to be tested; b. electronic testing means adapted test the electrical parameters of said mounted motor; c. electrical coupling means to electrically couple said mounted motor with said electronic testing means; d. slidable safety housing adapted to cover at least a single mounted motor so that it may be tested; e. proximity sensor adapted to be placed at a pre-defined location, with respect to each of said mounting means, adapted to sense safety housing over said mounting means in order to engage said electronic testing equipment; f. contact plate at said safety housing adapted to co-operate with each of said proximity sensors, individually, for confirming engagement of said electronic testing equipment with respect to said respective motor on mounting means within said safety housing; and g. sliding means adapted to slide said safety housing from a first position to cover a first mounted motor to a second position to cover a second mounted motor, thereby engaging the contact plate with the respective proximity sensor in order to sense which mounted motor is covered by the ssafety housing and is ready to be tested.
FORM 2
THE PATENTS ACT, 1970
(39 OF 1970)
As amended by the Patents (Amendment) Act, 2005
&
The Patents Rules, 2003
As amended by the Patents (Amendment) Rules, 2006
COMPLETE SPECIFICATION
(See section 10 and rule 13)
TITLE OF THE INVENTION
Testing equipment for receiving and testing motors.
APPLICANTS
Crompton Greaves Limited, CG House, Dr Annie Besant Road, Worli, Mumbai 400 030, Maharashtra, India, an Indian Company
INVENTORS
Kunkolienkar Vaibhav of Crompton Greaves Limited, Fans Division, Plot No. 1, Goa IDC Industrial Estate, Bethora, Ponda, Goa-403409, India; an Indian National
PREAMBLE TO THE DESCRIPTION
The following specification particularly describes the nature of this invention and the manner in which it is to be performed.
Field of the Invention:
This invention relates to the field of mechanical and electronic systems.
Particularly, this invention relates to the field of testing equipment.
Still particularly, this invention relates to a testing equipment for receiving and testing motors.
Background of the Invention:
Motors are typically tested once they are manufactured and assembled in accordance with predesigned parameters in order to check rated values and to ascertain their working. For the purposes of testing, their voltage ratings their current ratings, and their wattage ratings are typically to be tested. Further surge current testing for high voltage testing is also to be performed.
Apart from electrical parameters, aesthetic values of the motor also need to be tested. These aesthetic values may include finishing of the motor. Further the testing criteria include monitoring criteria related to noise, wobble and the like sound parameters. This is, typically, done manually by testing personnel who is trained to understand aberrations.
Typically, this motor is a fan motor.
For the purposes of testing, a mechanical jig is used which is adapted to receive and mount a motor.
There is a need to improve the productivity of testing motor and provide an automated and safe mechanism for testing.
Prior Art:
CN2092106 discloses a system which is a portable system for testing. It is not equipped to test high voltage settings. Further, durability and rating testing is not possible.
GB191213982 discloses a system which individually tests a motor using ammeter, voltmeter, and wattmeter. However, it does not test high voltage ratings. Simultaneous checking and display is not provided.
CN101762395 discloses the durability of condenser fan is tested, using this system. Although relays and counters are used for testing, the use of relays is different than the one proposed in the current invention.
Each of the above disclosures describes various methods and systems for testing fans or motors. They disclose means to test voltage, ampere, and wattage.
None of the searched prior art documents, or the above-mentioned cited art documents, reveal the use of a transducer to compute wattage from detected
voltage and ampere ratings. High voltage testing by means of a high voltage spike is not disclosed.
EP0313677 relates to a system which discloses a sensor mechanism to sense the closure of a safety mechanism. However, testing means and dual sensing mechanism are not disclosed.
KR20070113735 relates to a system which discloses a jig for testing ventilation fans. Although it test fans, simultaneously, individual high voltage testing in a safe environment is not disclosed.
CN2168097 relates to a system which discloses a jig which is especially suitable for detecting technical parameters and the operating state of a fuel pump and motor assembly of a diesel locomotive. However, it deviates from the current concept, in that, it does not disclose simultaneous housings nor any safety mechanisms.
US5568058 relates to a system which discloses a jig for testing a motor without the need for a tester to handle electronic leads. However, additional safety mechanisms with respect to accidental touching are not provided.
Each of the above disclosures describes various mechanical jigs and assemblies for testing fans or motors. Some safety features have also been disclosed.
None of the searched prior art documents, or the above-mentioned cited art documents, particularly teach a safety mechanism for foolproof or tamper proof or accident proof for high voltage testing.
Objects of the Invention:
An object of the invention is to provide automated testing equipment for testing motors.
Another object of the invention is to provide testing of motors for high voltage conditions.
Yet another object of the invention is to increase the throughput of testing motors.
Still another object of the invention is to provide a safe equipment and jig for testing motors.
An additional object of the invention is to provide simultaneous testing and readings of voltage ratings, current ratings, and wattage ratings for a motor.
Summary of the Invention:
According to this invention, there is provided a testing equipment for receiving and testing motors, said testing equipment comprises:
a. mechanical jig comprising at least two adjacently located mounting
means, each of said mounting means adapted to mount a motor to be
tested;
b. electronic testing means adapted test the electrical parameters of said
mounted motor;
c. electrical coupling means to electrically couple said mounted motor
with said electronic testing means;
d. sJidable safety housing adapted to cover at least a single mounted
motor so that it may be tested;
e. proximity sensor adapted to be placed at a pre-defined location, with
respect to each of said mounting means, adapted to sense safety
housing over said mounting means in order to engage said electronic
testing equipment;
f. contact plate at said safety housing adapted to co-operate with each of
said proximity sensors, individually, for confirming engagement of
said electronic testing equipment with respect to said respective motor
on mounting means within said safety housing; and
g. sliding means adapted to slide said safety housing from a first position
to cover a first mounted motor to a second position to cover a second
mounted motor, thereby engaging the contact plate with the respective
proximity sensor in order to sense which mounted motor is covered by
the ssafety housing and is ready to be tested.
Typically, said electronic testing means includes at least a first relay adapted to be in communication with a first mounting means containing a mounted motor for electrically testing said motor.
Typically, said electronic testing means includes at least a second relay adapted to be in communication with a second mounting means containing a mounted motor for electrically testing said motor.
Typically, said electronic testing means includes a delay timer means adapted to time each of said relays individually such that when delay timer is actuated, the testing means performs a first test.
Typically, said electronic testing means includes a high voltage testing means adapted to test each of said mounted motor with a high voltage surge provided for a pre-determined time as set by the delay timer.
Typically, said electronic testing means includes a setting means adapted to set reference voltage, reference current, and reference wattage ratings for said mounted motor to be tested.
Typically, said electronic testing means includes a controller means adapted to control electrical supply to said motor and to read voltage and current ratings of said mounted motor being tested.
Typically, said electronic testing means includes a transducer adapted to convert said electrical supply to a pre-determined current range.
Typically, said electronic testing means includes a wattage calculation means adapted to calculate wattage of said mounted motor being tested using said read voltage and current rating and said transducer.
Typically, said electronic testing means includes a first alarm means adapted to provide a first alarm if said mounted motor fails said high voltage test in accordance with pre-determined parameters.
Typically, said electronic testing means includes a second alarm means adapted to provide a second alarm if said monitored voltage, current, wattage breaches said reference voltage, current, wattage respectively.
Brief Description of the Accompanying Drawings:
The invention will now be described in relation to the accompanying drawings, in which:
Figure 1 illustrates a schematic of the equipment having a mechanical jig and an electronic testing means;
Figures 2 and 3 illustrate an exemplary embodiment of the mechanical jig of Figure 1;
Figure 4 illustrates an exemplary embodiment of the electronic testing means of Figure 1; and
Figure 5 illustrates a flow diagram of the operation of said equipment.
Detailed Description of the Accompanying Drawings:
According to this invention, there is provided a mechanical jig (100) comprising at least two adjacently located mounting means (Ml, M2), each of said mounting means adapted to mount a motor (MR1, MR2) to be tested.
According to this invention, there is provided an electronic testing means (200) adapted test the electrical parameters of said mounted motor.
Figure 1 illustrates a schematic of the equipment having a mechanical jig (100) and an electronic testing means (200).
Figures 2 and 3 illustrate an exemplary embodiment of the mechanical jig of Figure 1.
Figure 4 illustrates an exemplary embodiment of the electronic testing means of Figure 1. Reference numeral V refers to a voltmeter. Reference numeral A refers to an ammeter. Reference numeral W refers to a wattmeter.
Typically, said mounting means includes electrical coupling means (ECM) to electrically couple said mounted motor with said electronic testing means.
In accordance with an embodiment of this invention, there is provided a slidable safety housing (S) adapted to cover a mounted motor so that it may be tested. While the safety housing covers one motor, testing personnel may mount or dismount another motor on the other mounting means.
In accordance with another embodiment of this invention, there is provided a proximity sensor (PS1, PS2) adapted to be placed at a pre-defined location, with respect to each of said mounting means, adapted to sense safety housing over said mounting means in order to engage said electronic testing equipment.
In accordance with still another embodiment of this invention, there is provided a contact plate (CP) at said safety housing adapted to co-operate with each of said proximity sensors, individually, for confirming engagement of said electronic testing equipment with respect to said respective motor on mounting means within said safety housing.
As the testing is completed, the safety housing is slid from a first position (.10) to a second position (20). The second motor (M2) may now be tested, as the proximity sensor co-operates with the contact plate in order to sense safety housing. Meanwhile, another motor may be mounted onto the other mounting means.
In accordance with an additional embodiment of this invention, said electronic testing means includes at least a first relay adapted to be in communication with a first mounting means containing a mounted motor for electrically testing said motor.
In accordance with an additional embodiment of this invention, said electronic testing equipment includes at least a second relay adapted to be in
communication with a second mounting means containing a mounted motor for electrically testing said motor.
In accordance with another additional embodiment of this invention, there is provided a delay timer means adapted to time each of said relays individually. When delay timer is actuated, the testing equipment performs a first test.
In accordance with yet another additional embodiment of this invention, there is provided a high voltage testing means adapted to test each of said mounted motor with a high voltage surge provided for a pre-determined time as set by the delay timer.
In accordance with another additional embodiment of this invention, there is provided a setting means adapted to set reference voltage, reference current, and reference wattage ratings for said mounted motor to be tested.
In accordance with still another additional embodiment of this invention, there is provided a controller means adapted to control electrical supply to said motor and to read voltage and current ratings of said mounted motor being tested.
In accordance with another additional embodiment of this invention, there is provided a transducer adapted to convert said electrical supply to a predetermined current range.
Preferably, said range is 4-20mA.
In accordance with yet another additional embodiment of this invention, there is provided a wattage calculation means adapted to calculate wattage of said mounted motor being tested using said read voltage and current rating and said transducer.
In accordance with still another additional embodiment of this invention, there is provided a first alarm means adapted to provide a first alarm if said mounted motor fails said high voltage test in accordance with pre-determined parameters.
In accordance with another additional embodiment of this invention, there is provided a second alarm means adapted to provide a second alarm if said monitored voltage, current, wattage breaches said reference voltage, current, wattage respectively.
Figure 5 illustrates a flow diagram of the operation of said equipment.
Step 1: Proximity switch 1 comes on;
Step 2: Check that relay of mounting means 2 is OFF;
Step 3: Put on first relay which actuates a delay timer;
Step 4: Timer keeps off the delay time set and in that time supply, the
equipment tests High Voltage rating of the motor;
Step 5: Relay 2 is switched ON;
Step 6: If High Voltage test fails, a Relay R3 actuates the alarm mechanism
so as to notify failure to testing personnel;
Step 7: If High Voltage test is successfully conducted, Timer comes ON and
goes to main supply to contactor which puts ON the motor to be tested;
Step 8: High Voltage relay necessarily to be in OFF for testing of electrical
parameters;
Step 9: Supply from motor is tapped and provided to transducer and
controller;
Step 10: Transducer converts the supply to a pre-determined range (4 - 20
mA) output;
Step 11: Set reference readings for voltage, current, wattage;
Step 12: Controller reads the output as per pre-designed parameters and
checks with reference voltage, current, wattage;
Step 13: If there is no breach in compared values, the alarm signal for
passing the test is actuated to notify testing personnel;
Step 14: If there is breach in compared values, the alarm signal for failing
the test is actuated to notify testing personnel;
Step 15: Testing personnel accepts or rejects the motor depending upon
notification of alarm signal.
We claim,
1. A testing equipment for receiving and testing motors, said testing equipment comprising:
a. mechanical jig comprising at least two adjacently located mounting
means, each of said mounting means adapted to mount a motor to be
tested;
b. electronic testing means adapted test the electrical parameters of said
mounted motor;
c. electrical coupling means to electrically couple said mounted motor
with said electronic testing means;
d. slidable safety housing adapted to cover at least a single mounted
motor so that it may be tested;
e. proximity sensor adapted to be placed at a pre-defined location, with
respect to each of said mounting means, adapted to sense safety
housing over said mounting means in order to engage said electronic
testing equipment;
f. contact plate at said safety housing adapted to co-operate with each of
said proximity sensors, individually, for confirming engagement of
said electronic testing equipment with respect to said respective motor
on mounting means within said safety housing; and
g. sliding means adapted to slide said safety housing from a first position
to cover a first mounted motor to a second position to cover a second
mounted motor, thereby engaging the contact plate with the respective
proximity sensor in order to sense which mounted motor is covered by
the ssafety housing and is ready to be tested.
2. An equipment as claimed in claim 1 wherein, said electronic testing means includes at least a first relay adapted to be in communication with a first mounting means containing a mounted motor for electrically testing said motor.
3. An equipment as claimed in claim 1 wherein, said electronic testing means includes at least a second relay adapted to be in communication with a second mounting means containing a mounted motor for electrically testing said motor.
4. An equipment as claimed in claim 1 wherein, said electronic testing means includes a delay timer means adapted to time each of said relays individually such that when delay timer is actuated, the testing means performs a first test.
5. An equipment as claimed in claim 1 wherein, said electronic testing means includes a high voltage testing means adapted to test each of said mounted motor with a high voltage surge provided for a pre-determined time as set by the delay timer.
6. An equipment as claimed in claim 1 wherein, said electronic testing means includes a setting means adapted to set reference voltage, reference current, and reference wattage ratings for said mounted motor to be tested.
7. An equipment as claimed in claim 1 wherein, said electronic testing means includes a controller means adapted to control electrical supply to
said motor and to read voltage and current ratings of said mounted motor being tested.
8. An equipment as claimed in claim 1 wherein, said electronic testing means includes a transducer adapted to convert said electrical supply to a pre-determined current range.
9. An equipment as claimed in claim 1 wherein, said electronic testing means includes a wattage calculation means adapted to calculate wattage of said mounted motor being tested using said read voltage and current rating and said transducer.
10.An equipment as claimed in claim 1 wherein, said electronic testing means includes a first alarm means adapted to provide a first alarm if said mounted motor fails said high voltage test in accordance with predetermined parameters.
11 An equipment as claimed in claim 1 wherein, said electronic testing means includes a second alarm means adapted to provide a second alarm if said monitored voltage, current, wattage breaches said reference voltage, current, wattage respectively.
| # | Name | Date |
|---|---|---|
| 1 | 3008-mum-2010-abstract.doc | 2018-08-10 |
| 1 | 3008-MUM-2010-FORM 26(10-12-2010).pdf | 2010-12-10 |
| 2 | 3008-MUM-2010-FORM 18(10-12-2010).pdf | 2010-12-10 |
| 2 | 3008-mum-2010-abstract.pdf | 2018-08-10 |
| 3 | 3008-MUM-2010-CORRESPONDENCE(10-12-2010).pdf | 2010-12-10 |
| 4 | abstract1.jpg | 2018-08-10 |
| 4 | 3008-mum-2010-claims.pdf | 2018-08-10 |
| 5 | 3008-MUM-2010_EXAMREPORT.pdf | 2018-08-10 |
| 5 | 3008-MUM-2010-CORRESPONDENCE(14-3-2011).pdf | 2018-08-10 |
| 6 | 3008-MUM-2010-FORM 9(14-3-2011).pdf | 2018-08-10 |
| 6 | 3008-MUM-2010-CORRESPONDENCE(5-5-2011).pdf | 2018-08-10 |
| 7 | 3008-mum-2010-form 3.pdf | 2018-08-10 |
| 7 | 3008-MUM-2010-CORRESPONDENCE(6-1-2011).pdf | 2018-08-10 |
| 8 | 3008-mum-2010-form 2.pdf | 2018-08-10 |
| 8 | 3008-mum-2010-correspondence.pdf | 2018-08-10 |
| 9 | 3008-mum-2010-description(complete).pdf | 2018-08-10 |
| 10 | 3008-mum-2010-drawing.pdf | 2018-08-10 |
| 10 | 3008-mum-2010-form 2(title page).pdf | 2018-08-10 |
| 11 | 3008-MUM-2010-FORM 1(6-1-2011).pdf | 2018-08-10 |
| 11 | 3008-mum-2010-form 1.pdf | 2018-08-10 |
| 12 | 3008-MUM-2010-FORM 1(6-1-2011).pdf | 2018-08-10 |
| 12 | 3008-mum-2010-form 1.pdf | 2018-08-10 |
| 13 | 3008-mum-2010-drawing.pdf | 2018-08-10 |
| 13 | 3008-mum-2010-form 2(title page).pdf | 2018-08-10 |
| 14 | 3008-mum-2010-description(complete).pdf | 2018-08-10 |
| 15 | 3008-mum-2010-correspondence.pdf | 2018-08-10 |
| 15 | 3008-mum-2010-form 2.pdf | 2018-08-10 |
| 16 | 3008-MUM-2010-CORRESPONDENCE(6-1-2011).pdf | 2018-08-10 |
| 16 | 3008-mum-2010-form 3.pdf | 2018-08-10 |
| 17 | 3008-MUM-2010-CORRESPONDENCE(5-5-2011).pdf | 2018-08-10 |
| 17 | 3008-MUM-2010-FORM 9(14-3-2011).pdf | 2018-08-10 |
| 18 | 3008-MUM-2010_EXAMREPORT.pdf | 2018-08-10 |
| 18 | 3008-MUM-2010-CORRESPONDENCE(14-3-2011).pdf | 2018-08-10 |
| 19 | abstract1.jpg | 2018-08-10 |
| 19 | 3008-mum-2010-claims.pdf | 2018-08-10 |
| 20 | 3008-MUM-2010-CORRESPONDENCE(10-12-2010).pdf | 2010-12-10 |
| 21 | 3008-MUM-2010-FORM 18(10-12-2010).pdf | 2010-12-10 |
| 21 | 3008-mum-2010-abstract.pdf | 2018-08-10 |
| 22 | 3008-MUM-2010-FORM 26(10-12-2010).pdf | 2010-12-10 |