CN110333446B - New energy motor testing system - Google Patents
New energy motor testing system Download PDFInfo
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- CN110333446B CN110333446B CN201910696012.5A CN201910696012A CN110333446B CN 110333446 B CN110333446 B CN 110333446B CN 201910696012 A CN201910696012 A CN 201910696012A CN 110333446 B CN110333446 B CN 110333446B
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- circulation path
- valve
- test box
- liquid storage
- new energy
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- 239000007788 liquid Substances 0.000 claims description 51
- 238000010438 heat treatment Methods 0.000 claims description 31
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a testing system of a new energy motor, which comprises a test box, wherein the inside of the test box is connected to a temperature control system through a pipeline, the temperature control system comprises an inner circulation path and an outer circulation path, the inner circulation path regulates and controls the temperature in the test box, the outer circulation path regulates and controls the flow and the pressure of a medium which is introduced into the test box, the temperature of the medium is controlled in a precise range through the inner circulation path through the separately arranged inner circulation path and the outer circulation path, and then the pressure and the temperature control precision of the medium are controlled by the outer circulation path, so that the motor testing precision is ensured.
Description
Technical Field
The invention relates to the technical field of motor testing, in particular to a testing system of a new energy motor.
Background
When the new energy motor is tested, the reliability of the motor is tested by the test system in a simulated temperature environment, and the flow, the pressure and the temperature of a medium entering the motor to be tested are required to be accurately controlled while the test is performed, however, the control precision of the pressure and the temperature can be influenced necessarily under the condition that the flow of the medium entering the motor to be tested is regulated by the test system of the existing new energy motor, so that the test result is greatly influenced, and the test precision can not be ensured.
Disclosure of Invention
The invention provides a testing system of a new energy motor, which solves the problem that the precision of the new energy motor in the prior art cannot be ensured.
The technical scheme of the invention is as follows: the test system comprises a test box for testing a motor, wherein the inside of the test box is connected to a temperature control system through a pipeline, the temperature control system comprises a liquid storage box, the liquid storage box is communicated with an inner circulation path and an outer circulation path, the inner circulation path comprises a liquid outlet end and a liquid inlet end which are both communicated with the liquid storage box, a first ball valve, a heating circulation pump, a heating device, a pressure gauge, a first temperature sensor, a first gate valve and a second temperature sensor are sequentially arranged from the liquid outlet end to the liquid inlet end on the inner circulation path, a third temperature sensor is arranged in the liquid storage box, the third temperature sensor is connected with a PID controller, the liquid storage box further comprises a cooling circulation path communicated with a heat exchanger, a cooling water inlet end of the heat exchanger is provided with a two-way proportional valve, and the PID controller is connected with the two-way proportional valve; one end of the outer circulation path is communicated with the heating circulation pump, the other end of the outer circulation path is communicated with the liquid inlet end, a second ball valve, a three-way proportional valve, a flowmeter, a pressure sensor, a first check valve, a second gate valve, the test box and a filter are sequentially arranged from one end to the other end of the outer circulation path, the flowmeter and the pressure sensor are connected with a PLC, and the PLC is further electrically connected with the three-way proportional valve; and a third gate valve is arranged between the inner circulation path and the outer circulation path, and the third gate valve is arranged between the heating device and the three-way proportional valve and is used for controlling whether a medium flowing out of the heating device can pass through the first gate valve and the three-way proportional valve at the same time.
The test system further comprises a gas circuit, one end of the gas circuit is an air inlet, the other end of the gas circuit is communicated with the test box, a third ball valve is arranged between the air inlet and the test box, and the third ball valve is opened to blow and dry media in the test box.
The heat exchanger is a plate heat exchanger.
The PLC is also provided with an Ethernet interface, and the Ethernet interface is connected with an external controller.
The heating device is a heating pipe.
Compared with the prior art, the invention has the advantages that: the invention provides a testing system of a new energy motor, which comprises a test box, wherein the inside of the test box is connected to a temperature control system through a pipeline, the temperature control system comprises an inner circulation path and an outer circulation path, the inner circulation path regulates and controls the temperature in the test box, the outer circulation path regulates and controls the flow and the pressure of a medium which is introduced into the test box, the temperature of the medium is controlled in a precise range through the inner circulation path through the separately arranged inner circulation path and the outer circulation path, and then the pressure and the temperature control precision of the medium are controlled by the outer circulation path, so that the motor testing precision is ensured.
Drawings
FIG. 1 is a schematic diagram of a temperature control system according to the present invention.
Detailed Description
The principles and structures of the present invention are described in detail below with reference to the drawings and the examples.
As shown in fig. 1, a test system for a new energy motor comprises a test box 1 for testing the motor, wherein the motor is placed in the test box for testing, and the inside of the test box 1 is connected to a temperature control system through a pipeline.
The temperature control system comprises a liquid storage tank 2, wherein the liquid storage tank 2 is communicated with an inner circulation path and an outer circulation path, and specifically: the inner circulation path is a loop communicated with the liquid storage tank 2, one end of the inner circulation path is a liquid outlet end 10, the other end of the inner circulation path is a liquid inlet end 11, the liquid outlet end 10 and the liquid inlet end 11 are both communicated with the liquid storage tank 2, and a first ball valve 100, a heating circulation pump 101, a heating device 103, a pressure gauge 104, a first temperature sensor 105, a first gate valve 107 and a second temperature sensor 108 are sequentially arranged between the liquid outlet end 10 and the liquid inlet end 11 on the inner circulation path; the medium flowing out of the liquid storage tank 2 flows into the heating device 103 to be heated under the drive of the heating circulating pump 101, and the medium heated by the heating device 103 flows back into the liquid storage tank 2 from the liquid inlet end 11 after the first gate valve 107 is opened;
Meanwhile, the liquid storage tank 2 is also connected with a cooling circulation path, a cooling circulation pump 109 is arranged on the cooling circulation path, the cooling circulation pump 109 pumps the heated medium in the liquid storage tank 2 to the heat exchanger 3, and the medium exchanges heat in the heat exchanger 3; one end of the heat exchanger 3 is communicated with the cooling water inlet 31, the other end of the heat exchanger 3 is communicated with the cooling water outlet 32, a two-way proportional valve 110 is arranged on a waterway of the cooling water inlet 31 which is communicated with the heat exchanger 3, and the two-way proportional valve 110 can control the amount of cooling water flowing into the heat exchanger 3 so as to change the heat exchange efficiency of the heat exchanger 3; in this embodiment, a third temperature sensor 111 is further disposed in the liquid storage tank 2, where the third temperature sensor 111 is connected to a PID controller (not shown in the figure), the two-way proportional valve 110 is connected to the PID controller, the third temperature sensor 111 feeds back the temperature of the medium in the liquid storage tank 2 to the PID controller in real time, and the PID controller calculates the data fed back by the third temperature sensor 111 and adjusts the amount of cooling water flowing into the heat exchanger 3 by controlling the opening of the two-way proportional valve 110, so that the heat exchange efficiency of the heat exchanger 3 is changed, and thus the temperature of the medium in the liquid storage tank 2 is precisely controlled, so that the medium temperature is moderately in a reasonable interval.
One end of the outer circulation path is communicated with the heating circulation pump 101, the other end of the outer circulation path is communicated with the liquid inlet end 11, and in the embodiment, the outer circulation path is communicated with the liquid inlet end 11 by sharing a common pipeline with the inner circulation path; the second ball valve 102, the three-way proportional valve 106, the flowmeter 112, the pressure sensor 113, the first check valve 114, the second gate valve 115, the test box 1 and the filter 116 are sequentially arranged between the heating circulating pump 101 and the liquid inlet end 11 on the outer circulation path, wherein the flowmeter 112 and the pressure sensor 113 are connected with a PLC, the PLC is further electrically connected with the three-way proportional valve 106, the flowmeter 112 and the pressure sensor 113 detect the flow and pressure values of the medium introduced into the liquid storage box 2 and feed back the flow and the pressure values to the PLC in real time, and the PLC controls the opening degree of the three-way proportional valve 106 to adjust the flow and the pressure values of the medium introduced into the test box 1, so that the flow and the pressure are continuously controlled within a certain range (a closed loop control module of the PLC can be realized).
A third gate valve 117 is further arranged between the inner circulation path and the outer circulation path, and the third gate valve 117 is arranged between the heating device and the three-way proportional valve 106 and is used for controlling whether the medium flowing out of the heating device 103 can pass through the first gate valve 107 and the three-way proportional valve 106 at the same time.
The test system further comprises an air channel, one end of the air channel is an air inlet 4, the other end of the air channel is led into the test box 1, a third ball valve 41 is arranged between the air inlet 4 and the test box 1, and the third ball valve 41 is opened to blow-dry a medium inside a motor in the test box 1.
Preferably, the heat exchanger is a plate heat exchanger.
Preferably, the PLC is further provided with an Ethernet interface, and the Ethernet interface is used for being connected with an external controller, so that a customer can conveniently carry out integrated control on the test system.
Preferably, the heating means is a heating tube.
The principle of the invention is as follows: firstly, a motor to be tested is placed into a test box 1, a test system is started, a first ball valve 100, a heating circulating pump 101 and a first gate valve 107 are started, the heating circulating pump 101 pumps out a medium in a liquid storage box 2, the medium flows into a heating device 103 to be heated under the driving of the heating circulating pump 101, and then the medium heated by the heating device 103 flows back into the liquid storage box 2 from a liquid inlet end 11; meanwhile, the medium in the liquid storage tank 2 flows into the heat exchanger 3 to exchange heat under the drive of the cooling circulation pump 109, the temperature of the medium in the liquid storage tank 2 is controlled in a proper range, the temperature of the medium in the liquid storage tank 2 is monitored in real time by the third temperature sensor 111 in the liquid storage tank 2 and fed back to the PID controller, and the opening of the two-way proportional valve 110 is controlled by the PID controller to regulate the amount of cooling water flowing into the heat exchanger 3, so that the heat exchange efficiency of the heat exchanger 3 is changed, and the temperature of the medium in the liquid storage tank 2 is accurately controlled;
then, the second gate valve 115 and the second ball valve 102 are opened, the third gate valve 117 is closed, the heating circulation pump 101 drives the external circulation path to circulate the medium with proper temperature in the test chamber 1, and the medium flows into the test chamber 1 after being regulated to proper flow rate and pressure by the three-way proportional valve 106.
Finally, after the motor is tested, the third ball valve 41 is opened, the air channel is ventilated into the test box 1, and the medium remained in the test box 1 is blown back into the liquid storage box 2, so that the detected motor in the test box 1 cannot remain with the medium.
The above description is illustrative of the invention and is not intended to be limiting, and the invention may be modified in any form without departing from the spirit of the invention.
Claims (5)
1. The test system of the new energy motor comprises a test box for testing the motor, and is characterized in that the inside of the test box is connected to a temperature control system through a pipeline, the temperature control system comprises a liquid storage box (2), the liquid storage box is communicated with an inner circulation path and an outer circulation path, the inner circulation path comprises a liquid outlet end (10) and a liquid inlet end (11) which are both communicated with the liquid storage box, a first ball valve (100), a heating circulation pump (101), a heating device (103), a pressure gauge (104), a first temperature sensor (105), a first gate valve (107) and a second temperature sensor (108) are sequentially arranged on the inner circulation path from the liquid outlet end to the liquid inlet end, a third temperature sensor (111) is arranged in the liquid storage box, the third temperature sensor is connected with a PID controller, the liquid storage box further comprises a cooling circulation path communicated with a heat exchanger, a cooling water inlet end of the heat exchanger is provided with a two-way proportional valve (110), and the PID controller is connected with the two-way proportional valve; one end of the outer circulation path is communicated with the heating circulation pump (101), the other end of the outer circulation path is communicated with the liquid inlet end (11), a second ball valve (102), a three-way proportional valve (106), a flowmeter (112), a pressure sensor (113), a first check valve (114), a second gate valve (115), the test box (1) and a filter (116) are sequentially arranged from one end to the other end of the outer circulation path, the flowmeter and the pressure sensor are connected with a PLC, and the PLC is further electrically connected with the three-way proportional valve; and a third gate valve (117) is further arranged between the inner circulation path and the outer circulation path, and the third gate valve is arranged between the heating device and the three-way proportional valve and is used for controlling whether a medium flowing out of the heating device can pass through the first gate valve (107) and the three-way proportional valve (106) at the same time.
2. The testing system of the new energy motor according to claim 1, further comprising a gas circuit, wherein one end of the gas circuit is an air inlet (4), the other end of the gas circuit is led into the test box (1), a third ball valve (41) is arranged between the air inlet and the test box, and the third ball valve (41) is opened to blow dry a medium in the test box.
3. The system for testing a new energy motor of claim 1, wherein the heat exchanger is a plate heat exchanger.
4. The system for testing a new energy motor according to claim 1, wherein the PLC is further provided with an ethernet interface, and the ethernet interface is connected to an external controller.
5. The system for testing a new energy motor of claim 1, wherein the heating device is a heating tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910696012.5A CN110333446B (en) | 2019-07-30 | 2019-07-30 | New energy motor testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910696012.5A CN110333446B (en) | 2019-07-30 | 2019-07-30 | New energy motor testing system |
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| Publication Number | Publication Date |
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| CN110333446A CN110333446A (en) | 2019-10-15 |
| CN110333446B true CN110333446B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910696012.5A Active CN110333446B (en) | 2019-07-30 | 2019-07-30 | New energy motor testing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114753996A (en) * | 2022-05-07 | 2022-07-15 | 上海金脉汽车电子有限公司 | Water pump test bench and test method |
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| JPH01277137A (en) * | 1988-04-27 | 1989-11-07 | Tokyo Gas Co Ltd | Temperature control device in hot water-circulating heater |
| JP2008128809A (en) * | 2006-11-21 | 2008-06-05 | Sanki Eng Co Ltd | Temperature adjustment device for testing |
| CN201233315Y (en) * | 2008-07-25 | 2009-05-06 | 中国汽车工程研究院有限公司 | Engine depth cold-hot impact test system |
| CN202832698U (en) * | 2012-07-04 | 2013-03-27 | 武汉东测科技有限责任公司 | Improved engine oil temperature control device |
| KR20180036159A (en) * | 2016-09-30 | 2018-04-09 | (주) 선두솔루션 | Testing device and the method thereof that the water's temperature change having gradient to time can be carried out |
| CN207300587U (en) * | 2017-08-31 | 2018-05-01 | 深圳市万斯得自动化设备有限公司 | New-energy automobile simulated testing system |
| CN108132438A (en) * | 2018-01-23 | 2018-06-08 | 无锡帕捷科技有限公司 | New energy motor high/low temperature tests system |
| CN109557963A (en) * | 2018-12-25 | 2019-04-02 | 苏州奥德机械有限公司 | A kind of industry simulation test control system that can be precisely controlled flow and temperature |
| CN109828176A (en) * | 2019-03-14 | 2019-05-31 | 武汉理工大学 | A kind of New energy automobile motor battery high/low temperature loop test system |
| CN109960298A (en) * | 2019-03-25 | 2019-07-02 | 武汉理工大学 | High/low temperature cycle performance test device suitable for plurality of devices |
| CN210894621U (en) * | 2019-07-30 | 2020-06-30 | 深圳市奥德机械有限公司 | New forms of energy motor's test system |
-
2019
- 2019-07-30 CN CN201910696012.5A patent/CN110333446B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01277137A (en) * | 1988-04-27 | 1989-11-07 | Tokyo Gas Co Ltd | Temperature control device in hot water-circulating heater |
| JP2008128809A (en) * | 2006-11-21 | 2008-06-05 | Sanki Eng Co Ltd | Temperature adjustment device for testing |
| CN201233315Y (en) * | 2008-07-25 | 2009-05-06 | 中国汽车工程研究院有限公司 | Engine depth cold-hot impact test system |
| CN202832698U (en) * | 2012-07-04 | 2013-03-27 | 武汉东测科技有限责任公司 | Improved engine oil temperature control device |
| KR20180036159A (en) * | 2016-09-30 | 2018-04-09 | (주) 선두솔루션 | Testing device and the method thereof that the water's temperature change having gradient to time can be carried out |
| CN207300587U (en) * | 2017-08-31 | 2018-05-01 | 深圳市万斯得自动化设备有限公司 | New-energy automobile simulated testing system |
| CN108132438A (en) * | 2018-01-23 | 2018-06-08 | 无锡帕捷科技有限公司 | New energy motor high/low temperature tests system |
| CN109557963A (en) * | 2018-12-25 | 2019-04-02 | 苏州奥德机械有限公司 | A kind of industry simulation test control system that can be precisely controlled flow and temperature |
| CN109828176A (en) * | 2019-03-14 | 2019-05-31 | 武汉理工大学 | A kind of New energy automobile motor battery high/low temperature loop test system |
| CN109960298A (en) * | 2019-03-25 | 2019-07-02 | 武汉理工大学 | High/low temperature cycle performance test device suitable for plurality of devices |
| CN210894621U (en) * | 2019-07-30 | 2020-06-30 | 深圳市奥德机械有限公司 | New forms of energy motor's test system |
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| CN110333446A (en) | 2019-10-15 |
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