CN114812092A - Automatic cooling water path switching device for motor test - Google Patents
Automatic cooling water path switching device for motor test Download PDFInfo
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- CN114812092A CN114812092A CN202210449956.4A CN202210449956A CN114812092A CN 114812092 A CN114812092 A CN 114812092A CN 202210449956 A CN202210449956 A CN 202210449956A CN 114812092 A CN114812092 A CN 114812092A
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- water pipe
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- 239000000498 cooling water Substances 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 124
- 238000001816 cooling Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
A cooling water path automatic switching device for a motor test comprises a circulating water path device and a control device, wherein the circulating water path device comprises a high-temperature water tank, a low-temperature water tank, a first electromagnetic valve, a second electromagnetic valve, a first water pipe, a second water pipe, a third water pipe, a fourth water pipe, a fifth water pipe, a sixth water pipe and a seventh water pipe, a water outlet of the high-temperature water tank is connected with a port P of the first electromagnetic valve through the fourth water pipe, and a port A of the second electromagnetic valve is connected with a water return port of the high-temperature water tank through the third water pipe; the control device comprises a motor controller, an electromagnetic valve driver, a first low-voltage power supply and a second low-voltage power supply; the motor controller outputs different signals to the solenoid valve driver according to different motor rotating speeds, and the solenoid valve driver performs corresponding driving control on the first solenoid valve and the second solenoid valve according to the acquired signals, so that the linkage of the working condition of the motor and a cooling water path is realized, and the quick automatic switching of high-temperature and low-temperature cooling water of the motor is realized.
Description
Technical Field
The invention relates to the field of physics, in particular to a motor test, and particularly relates to an automatic cooling water path switching device for the motor test.
Background
High-temperature water or low-temperature cooling water needs to be introduced into the motor according to test working conditions in the motor test process, and the motor test working conditions are complex and have severe requirements on test environments, so that the cooling water switching device in the prior art cannot realize high-frequency switching, the switching speed is low, the test time is long, and the automation degree is low. The technical scheme in the prior art is as follows:
the first scheme is as follows: and (4) manually switching, observing the working condition of the motor by a tester, and operating the temperature of the cooling equipment. The first disadvantage of the scheme is that: the manual switching operation is complex, the error is easy to occur, and high requirements are placed on the heating and cooling speeds of the cooling equipment.
Scheme II: the cooling equipment is automatically switched. The second scheme has the following defects: the cooling device can not be linked with the working condition of the motor, the intelligent degree is not high enough, and high-frequency switching can not be carried out.
Disclosure of Invention
The invention aims to provide an automatic cooling water path switching device for a motor test, which aims to solve the technical problems that the cooling water switching device in the prior art cannot realize high-frequency switching, is low in switching speed, long in test time and low in automation degree.
The invention discloses a cooling water path automatic switching device for a motor test, which comprises a circulating water path device and a control device, wherein the circulating water path device comprises a high-temperature water tank, a low-temperature water tank, a first electromagnetic valve, a second electromagnetic valve, a first water pipe, a second water pipe, a third water pipe, a fourth water pipe, a fifth water pipe, a sixth water pipe and a seventh water pipe, and the first electromagnetic valve and the second electromagnetic valve are respectively provided with a P port, an A port, a T port and a B port; when the first electromagnetic valve and the second electromagnetic valve are in a closed state, the port P is communicated with the port A, and the port T is communicated with the port B; when the first electromagnetic valve and the second electromagnetic valve are in an open state, the port P is communicated with the port B, and the port T is communicated with the port A; the water outlet of the high-temperature water tank is connected with the port P of the first electromagnetic valve through a fourth water pipe, and the port A of the second electromagnetic valve is connected with the water return port of the high-temperature water tank through a third water pipe; a water outlet of the low-temperature water tank is connected with a T port of the first electromagnetic valve through a seventh water pipe, a port B of the first electromagnetic valve is connected with a T port of the second electromagnetic valve through a fifth water pipe, and a port B of the second electromagnetic valve is connected with a water return port of the low-temperature water tank through a sixth water pipe;
the control device comprises a motor controller, an electromagnetic valve driver, a first low-voltage power supply and a second low-voltage power supply; the control end of the test motor is connected with the input end and the output end of the motor controller, the motor controller is connected with the input end of the electromagnetic valve driver through a first wire harness, the electromagnetic valve driver is connected with the control end of the first electromagnetic valve through a second wire harness, and the electromagnetic valve driver is connected with the control end of the second electromagnetic valve through a third wire harness.
Furthermore, the motor controller also comprises an upper computer, and the upper computer is connected with the input end and the output end of the motor controller.
And the electromagnetic valve driver further comprises a first low-voltage power supply and a second low-voltage power supply, wherein the first low-voltage power supply is connected with a power supply end of the motor controller, and the second low-voltage power supply is connected with a power supply end of the electromagnetic valve driver.
Compared with the prior art, the invention has positive and obvious effect. According to the automatic cooling water path switching device for the motor test, the motor controller outputs different signals to the electromagnetic valve driver according to different motor rotating speeds, the electromagnetic valve driver performs corresponding driving control on the first electromagnetic valve and the second electromagnetic valve according to the acquired signals, linkage of motor working conditions and the cooling water path is further realized, quick automatic switching of high-temperature and low-temperature cooling water of the motor is realized, switching can be completed within 1s, manual participation is not needed, the automation degree is high, the requirement of high-frequency switching is met, continuous switching can be performed for 5 thousands of times, the motor test time is shortened, and the test cost is reduced.
Drawings
Fig. 1 is a schematic diagram of an automatic cooling water path switching device for a motor test according to the present invention.
Detailed Description
The present invention is further described with reference to the drawings and examples, but the present invention is not limited to the examples, and all similar structures and similar variations using the present invention should be included in the scope of the present invention. The use of the directions of up, down, front, rear, left, right, etc. in the present invention is only for convenience of description and does not limit the technical solution of the present invention.
Example 1
As shown in fig. 1, the automatic cooling water path switching device for the motor test of the present invention comprises a circulating water path device and a control device, wherein the circulating water path device comprises a high temperature water tank 17, a low temperature water tank 16, a first electromagnetic valve 7, a second electromagnetic valve 8, a first water pipe 9, a second water pipe 10, a third water pipe 11, a fourth water pipe 12, a fifth water pipe 13, a sixth water pipe 14, and a seventh water pipe 15, the high temperature water tank 17 and the low temperature water tank 16 can respectively maintain the temperature in the water tank to be a high temperature state and a low temperature state all the time, and the first electromagnetic valve 7 and the second electromagnetic valve 8 are respectively provided with a port P, a port a, a port T, and a port B; when the first electromagnetic valve 7 and the second electromagnetic valve 8 are in a closed state, the port P is communicated with the port A, and the port T is communicated with the port B; when the first electromagnetic valve 7 and the second electromagnetic valve 8 are in an open state, the port P is communicated with the port B, and the port T is communicated with the port A; a water outlet of the high-temperature water tank 17 is connected with a port P of the first electromagnetic valve 7 through a fourth water pipe 12, a port A of the first electromagnetic valve 7 is connected with a water inlet of the test motor 6 through a first water pipe 9, a water outlet of the test motor 6 is connected with a port P of the second electromagnetic valve 8 through a second water pipe 10, and a port A of the second electromagnetic valve 8 is connected with a water return port of the high-temperature water tank 17 through a third water pipe 11; a water outlet 16 of the low-temperature water tank is connected with a T port of the first electromagnetic valve 7 through a seventh water pipe 15, a port B of the first electromagnetic valve 7 is connected with a T port of the second electromagnetic valve 8 through a fifth water pipe 13, and a port B of the second electromagnetic valve 8 is connected with a water return port of the low-temperature water tank 16 through a sixth water pipe 14;
the control device comprises a motor controller 1, an electromagnetic valve driver 2, a first low-voltage power supply 3 and a second low-voltage power supply 4; the control end of the test motor 6 is connected with the input end and the output end of the motor controller 1, the motor controller 1 is connected with the input end of the electromagnetic valve driver 2 through a first wiring harness 18, the electromagnetic valve driver 2 is connected with the control end of the first electromagnetic valve 7 through a second wiring harness 19, and the electromagnetic valve driver 2 is connected with the control end of the second electromagnetic valve 8 through a third wiring harness 20.
Further, still include host computer 5, host computer 5 is connected with the input/output end of motor controller 1.
Further, the electromagnetic valve driving device further comprises a first low-voltage power supply 3 and a second low-voltage power supply 4, wherein the first low-voltage power supply 3 is connected with a power supply end of the motor controller 1, and the second low-voltage power supply 4 is connected with a power supply end of the electromagnetic valve driver 2.
Specifically, the high-temperature water tank 17, the low-temperature water tank 16, the first electromagnetic valve 7, the second electromagnetic valve 8, the motor controller 1, the upper computer 5, the electromagnetic valve driver 2, the first low-voltage power supply 3, the second low-voltage power supply 4, and the like in this embodiment all adopt known schemes in the prior art, and those skilled in the art know the schemes, and no further description is provided herein.
The working principle of the embodiment is as follows:
the control circuit comprises a motor rotating speed acquisition circuit and a control circuit of the electromagnetic valve driver 2.
The rotating speed acquisition circuit is an input module of the system. The rotating speed of the test motor 6 is detected by the motor controller 1 and then displayed on the upper computer 5 in real time. The motor controller 1 detects the rotation speed of the test motor 6 and outputs a high level or low level signal corresponding to the rotation speed. The first low-voltage power supply 3 supplies low-voltage electricity required by the motor controller 1 during working, and the low-voltage power supply 3 can be selected according to the condition of the motor controller 1.
The control circuit of the solenoid valve driver 2 is a control module of the system. The solenoid valve driver 2 controls the first solenoid valve 7 and the second solenoid valve 8 to be opened and closed according to the received high level and low level signals. The low-voltage power supply 4 supplies low-voltage electricity required by the operation of the electromagnetic valve driver 2 to the electromagnetic valve driver 2, and the low-voltage power supply 4 can select types according to the condition of the electromagnetic valve driver 2.
When the solenoid valve driver 2 receives the high level signal, the first solenoid valve 7 and the second solenoid valve 8 are controlled to be in a closed state, at the moment, the port P is communicated with the port A, the port T is communicated with the port B, and the water flow path is as follows: the low temperature water tank 16 water outlet → the T port of the first solenoid valve 7 → the B port of the first solenoid valve 7 → the T port of the second solenoid valve 8 → the B port of the second solenoid valve 8 → the low temperature water tank 16 water return port, and the high temperature water tank 17 water outlet → the P port of the first solenoid valve 7 → the a port of the first solenoid valve 7 → the water inlet of the test motor 6 → the water outlet of the test motor 6 → the P port of the second solenoid valve 8 → the a port of the second solenoid valve 8 → the water return port of the high temperature water tank 17.
When the solenoid valve driver 2 receives the low level signal, the first solenoid valve 7 and the second solenoid valve 8 are controlled to be in the open state, at this time, the port P is communicated with the port B, the port T is communicated with the port a, and the water flow path is as follows: the low temperature water tank 16 water outlet → the T port of the first solenoid valve 7 → the a port of the first solenoid valve 7 → the water inlet of the test motor 6 → the water outlet of the test motor 6 → the P port of the second solenoid valve 8 → the B port of the second solenoid valve 8 → the low temperature water tank 16 water return port, and the high temperature water tank 17 water outlet → the P port of the first solenoid valve 7 → the B port of the first solenoid valve 7 → the T port of the second solenoid valve 8 → the a port of the second solenoid valve 8 → the water return port of the high temperature water tank 17. The first electromagnetic valve 7 and the second electromagnetic valve 8 are switched from a closed state to an open state simultaneously, so that the test motor 6 can be automatically switched from high-temperature water to low-temperature water, and further, the cooling water path for motor test can be automatically switched.
According to the automatic cooling water path switching device for the motor test, the motor controller 1 outputs different signals to the electromagnetic valve driver 2 according to different motor rotating speeds, the electromagnetic valve driver 2 performs corresponding driving control on the first electromagnetic valve 7 and the second electromagnetic valve 8 according to the acquired signals, linkage of motor working conditions and a cooling water path is further achieved, quick automatic switching of high-temperature and low-temperature cooling water of the motor is achieved, switching can be achieved within 1s, manual participation is not needed, the automation degree is high, the high-frequency switching requirement is met, 5-ten-thousand continuous switching can be achieved, motor test time is shortened, and test cost is reduced.
Claims (3)
1. The utility model provides a cooling water route automatic switching control equipment for motor test which characterized in that: the water circulation device comprises a water circulation device and a control device, wherein the water circulation device comprises a high-temperature water tank (17), a low-temperature water tank (16), a first electromagnetic valve (7), a second electromagnetic valve (8), a first water pipe (9), a second water pipe (10), a third water pipe (11), a fourth water pipe (12), a fifth water pipe (13), a sixth water pipe (14) and a seventh water pipe (15), and the first electromagnetic valve (7) and the second electromagnetic valve (8) are respectively provided with a port P, a port A, a port T and a port B; when the first electromagnetic valve (7) and the second electromagnetic valve (8) are in a closed state, the port P is communicated with the port A, and the port T is communicated with the port B; when the first electromagnetic valve (7) and the second electromagnetic valve (8) are in an open state, the port P is communicated with the port B, and the port T is communicated with the port A; a water outlet of the high-temperature water tank (17) is connected with a port P of the first electromagnetic valve (7) through a fourth water pipe (12), and a port A of the second electromagnetic valve (8) is connected with a water return port of the high-temperature water tank (17) through a third water pipe (11); a water outlet of the low-temperature water tank (16) is connected with a T port of the first electromagnetic valve (7) through a seventh water pipe (15), a B port of the first electromagnetic valve (7) is connected with a T port of the second electromagnetic valve (8) through a fifth water pipe (13), and a B port of the second electromagnetic valve (8) is connected with a water return port of the low-temperature water tank (16) through a sixth water pipe (14);
the control device comprises a motor controller (1), an electromagnetic valve driver (2), a first low-voltage power supply (3) and a second low-voltage power supply (4); the control end of the test motor (6) is connected with the input end and the output end of the motor controller (1), the motor controller (1) is connected with the input end of the electromagnetic valve driver (2) through a first wiring harness (18), the electromagnetic valve driver (2) is connected with the control end of the first electromagnetic valve (7) through a second wiring harness (19), and the electromagnetic valve driver (2) is connected with the control end of the second electromagnetic valve (8) through a third wiring harness (20).
2. The automatic cooling water path switching device for the motor test is characterized in that: the motor controller is characterized by further comprising an upper computer (5), wherein the upper computer (5) is connected with the input end and the output end of the motor controller (1).
3. The automatic cooling water path switching device for the motor test is characterized in that: the electromagnetic valve driving device is characterized by further comprising a first low-voltage power supply (3) and a second low-voltage power supply (4), wherein the first low-voltage power supply (3) is connected with a power supply end of the motor controller (1), and the second low-voltage power supply (4) is connected with a power supply end of the electromagnetic valve driver (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210449956.4A CN114812092B (en) | 2022-04-24 | 2022-04-24 | A automatic switching device in cooling water route for motor test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210449956.4A CN114812092B (en) | 2022-04-24 | 2022-04-24 | A automatic switching device in cooling water route for motor test |
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| CN114812092A true CN114812092A (en) | 2022-07-29 |
| CN114812092B CN114812092B (en) | 2023-11-21 |
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6338877A (en) * | 1986-08-01 | 1988-02-19 | 株式会社東洋製作所 | Cooling device |
| JP2005077129A (en) * | 2003-08-28 | 2005-03-24 | Ono Sokki Co Ltd | Engine testing device |
| JP2005140654A (en) * | 2003-11-07 | 2005-06-02 | Sanki Eng Co Ltd | Engine cooling water circulation system for test |
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| CN202928802U (en) * | 2012-11-20 | 2013-05-08 | 凯迈(洛阳)机电有限公司 | Deep thermal shock and constant-temperature test device |
| CN107965964A (en) * | 2017-12-12 | 2018-04-27 | 沈阳航天三菱汽车发动机制造有限公司 | A kind of Engine Block Test cooling cycle water installations |
| CN208076157U (en) * | 2018-05-02 | 2018-11-09 | 北京汽车动力总成有限公司 | A kind of cold-hot impact test system |
| CN110411751A (en) * | 2019-07-09 | 2019-11-05 | 中航工程集成设备有限公司 | A kind of thrust calibration system for engine running bench support |
| CN111521403A (en) * | 2020-05-06 | 2020-08-11 | 河南柴油机重工有限责任公司 | Automatic load regulation control method and system for cold and hot shock test of diesel engine |
| CN211650924U (en) * | 2020-01-20 | 2020-10-09 | 上海电器科学研究所（集团）有限公司 | Automatic device for controlling output of cooling system |
| CN111780448A (en) * | 2020-08-05 | 2020-10-16 | 芜湖弋江海创高新智能空调股份有限公司 | Integrated ground source heat pump host machine with waterway switching function |
| CN214741621U (en) * | 2021-03-17 | 2021-11-16 | 潍柴重机股份有限公司 | Engine and cooling system thereof |
| WO2021244128A1 (en) * | 2020-06-03 | 2021-12-09 | 苏州咖博士咖啡系统科技有限公司 | Water path system for coffee machine |
| CN215256370U (en) * | 2020-11-25 | 2021-12-21 | 潍柴动力股份有限公司 | Oil cooler, high-low temperature cooling system, engine system and vehicle |
| CN215985192U (en) * | 2021-11-01 | 2022-03-08 | 宁波中意液压马达有限公司 | Cycloid hydraulic motor life test system |
| CN216321159U (en) * | 2021-11-11 | 2022-04-19 | 溢泰（南京）环保科技有限公司 | System for clean EDR membrane |
-
2022
- 2022-04-24 CN CN202210449956.4A patent/CN114812092B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6338877A (en) * | 1986-08-01 | 1988-02-19 | 株式会社東洋製作所 | Cooling device |
| JP2005077129A (en) * | 2003-08-28 | 2005-03-24 | Ono Sokki Co Ltd | Engine testing device |
| JP2005140654A (en) * | 2003-11-07 | 2005-06-02 | Sanki Eng Co Ltd | Engine cooling water circulation system for test |
| 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 |
| CN202928801U (en) * | 2012-11-20 | 2013-05-08 | 凯迈(洛阳)机电有限公司 | Deep thermal shock test device |
| CN202928802U (en) * | 2012-11-20 | 2013-05-08 | 凯迈(洛阳)机电有限公司 | Deep thermal shock and constant-temperature test device |
| CN107965964A (en) * | 2017-12-12 | 2018-04-27 | 沈阳航天三菱汽车发动机制造有限公司 | A kind of Engine Block Test cooling cycle water installations |
| CN208076157U (en) * | 2018-05-02 | 2018-11-09 | 北京汽车动力总成有限公司 | A kind of cold-hot impact test system |
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| CN111780448A (en) * | 2020-08-05 | 2020-10-16 | 芜湖弋江海创高新智能空调股份有限公司 | Integrated ground source heat pump host machine with waterway switching function |
| CN215256370U (en) * | 2020-11-25 | 2021-12-21 | 潍柴动力股份有限公司 | Oil cooler, high-low temperature cooling system, engine system and vehicle |
| CN214741621U (en) * | 2021-03-17 | 2021-11-16 | 潍柴重机股份有限公司 | Engine and cooling system thereof |
| CN215985192U (en) * | 2021-11-01 | 2022-03-08 | 宁波中意液压马达有限公司 | Cycloid hydraulic motor life test system |
| CN216321159U (en) * | 2021-11-11 | 2022-04-19 | 溢泰（南京）环保科技有限公司 | System for clean EDR membrane |
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|---|---|
| CN114812092B (en) | 2023-11-21 |
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