CN113757092A - Multifunctional test system for electric oil pump - Google Patents
Multifunctional test system for electric oil pump Download PDFInfo
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- CN113757092A CN113757092A CN202111005646.5A CN202111005646A CN113757092A CN 113757092 A CN113757092 A CN 113757092A CN 202111005646 A CN202111005646 A CN 202111005646A CN 113757092 A CN113757092 A CN 113757092A
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- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 76
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims description 61
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a multifunctional test system of an electric oil pump, which comprises an operation cabinet, wherein one side of the operation cabinet is provided with a flow monitoring cabinet, the top of the flow monitoring cabinet is provided with a test structure, one side of the top of the operation cabinet, which is far away from the flow monitoring cabinet, is provided with a power structure, the test structure comprises two liquid pipelines, the two liquid pipelines are sequentially connected with the operation cabinet, one of the liquid pipelines is provided with a low-pressure sensor and a large-flow flowmeter at the position close to the operation cabinet, and the other liquid pipeline is provided with a high-pressure sensor and a small-flow flowmeter at the position close to the operation cabinet; the driving motor to be tested is placed at the upper position of the right side in the drawing, one end of the driving motor is connected to the operating cabinet, the effects of testing and recording can be achieved on the driving motor through the torque limiter, the torque rotating speed sensor and the flexible coupler, the performance of the motor can be effectively tested, and data can be recorded.
Description
Technical Field
The invention belongs to the technical field of oil pump detection, and particularly relates to a multifunctional testing system for an electric oil pump.
Background
Since the advent of automobiles since the end of the last century, the rate of development of automobiles has been so dramatic, ranging from steam automobiles to internal combustion engine automobiles to modern automobiles, new energy automobiles, and technology which has been rapidly advancing in the course of the day-to-day and month-to-month updates. The traditional oil pump on the automobile has the fatal defect of high oil consumption, and in order to meet the call of energy conservation and emission reduction of corresponding countries, the electric oil pump just meets the requirement of low oil consumption, and the traditional oil pump is gradually replaced in the later period.
The existing test bed on the market has single function, and the durability test and the performance test of the traditional oil pump or motor are independent and separated; generally, the power of a traditional oil pump is larger, the required flow rate is also larger, the measurement accuracy of the stand is not high, and the measurement accuracy is more to meet the endurance test, so the data sampling requirement is not very high.
The small motor test bench is mostly simple and easy, can not provide a simulation environment for a tested motor, is not matched with a corresponding motor load, and is not provided with a professional instrument to measure the performance of the motor.
Disclosure of Invention
The invention aims to provide a multifunctional test system of an electric oil pump, which aims to solve the problems that most of small-sized motor test benches provided in the background technology are simple, cannot provide a simulation environment for a tested motor, are not matched with corresponding motor loads, do not have professional instruments for measuring the performance of the motor, and because the electronic pump needs to measure data in different directions, a single device cannot test the data completely simultaneously and accurately, so that manpower and material resources are greatly increased, and the like.
In order to achieve the purpose, the invention provides the following technical scheme: the multifunctional testing system for the electric oil pump comprises an operating cabinet, wherein a flow monitoring cabinet is arranged on one side of the operating cabinet, a testing structure is arranged at the top of the flow monitoring cabinet, and a power structure is arranged on one side, far away from the flow monitoring cabinet, of the top of the operating cabinet;
preferably, the test structure comprises two liquid pipelines, the two liquid pipelines are sequentially connected with the operation cabinet, a low-pressure sensor is arranged at a position, close to the operation cabinet, of one liquid pipeline, a low-pressure pneumatic pressure regulating valve is arranged at one side, located at the low-pressure sensor, of the liquid pipeline, a low-pressure manual regulating valve is arranged at one side, located at the low-pressure pneumatic pressure regulating valve, of the liquid pipeline, and a low-pressure pipeline flowmeter is arranged at one side, located at the low-pressure pneumatic pressure regulating valve, of the liquid pipeline; a high-pressure sensor is arranged at a position, close to the operation cabinet, of the other liquid pipeline, a high-pressure pneumatic pressure regulating valve is arranged on one side, located at the high-pressure sensor, of the liquid pipeline, a high-pressure manual pressure regulating valve and a high-pressure direction switching valve are sequentially arranged on one side, located at the high-pressure direction switching valve, of the liquid pipeline, a high-pressure pipeline flowmeter is arranged on one side, located at the high-pressure direction switching valve, of the liquid pipeline, the pressures measured by the two liquid pipelines are different, when the high pressure is measured, liquid to be measured can flow into a high-pressure loop, the flow direction of the liquid is controlled by the low-pressure pneumatic pressure regulating valve, the high-pressure direction switching valve and the high-pressure sensor, and pressure testing can be carried out through the high-pressure pneumatic pressure regulating valve and the high-pressure pipeline flowmeter; when measuring low pressure, the liquid to be measured flows into the low-pressure loop, the low-pressure sensor, the low-pressure manual regulating valve and the low-pressure direction switching valve control the flow direction of the liquid, and pressure testing can be carried out through the low-pressure pneumatic pressure regulating valve and the low-pressure pipeline flowmeter.
When the automatic adjustment is needed, only the high-pressure pneumatic pressure regulating valve and the low-pressure pneumatic pressure regulating valve are needed to be operated, and the opening of the air valve is adjusted by operating software in the cabinet, so that the pressure is adjusted, and the software is provided with PID (proportion integration differentiation) and can keep pressure values at different rotating speeds; due to the characteristics of the air valve, when the high pressure is reduced, a long time is generated, the time is reduced from 60Bar to the minimum time of 30 seconds, sometimes the long time can not meet the requirement of the test, the air valve is required to be switched to a manual high-pressure manual pressure regulating valve and a manual low-pressure regulating valve by using a switching valve, and the pipeline pressure is adjusted before the experiment by the manual regulating valve.
Preferably, the power structure includes driving motor, driving motor is located one side top layer board of operation rack, driving motor's a tip is connected with the operation rack, driving motor's the direction that is close to the operation rack is equipped with flexible coupling, the direction department that one side of flexible coupling is close to the operation rack is equipped with moment of torsion rotational speed sensor, the direction department that one side of moment of torsion rotational speed sensor is close to the operation rack is equipped with the torque limiter, the torque limiter is connected with the operation rack through the drive shaft, and driving motor can provide power for flow to the detection material in two liquid pipeline.
Preferably, the driving shaft, the torque limiter, the torque rotating speed sensor and the flexible coupling are arranged in the same circle center.
Preferably, the high-pressure pneumatic pressure regulating valve, the low-pressure pipeline flowmeter and the high-pressure pipeline flowmeter are positioned on the same axis.
Preferably, the end parts of the two liquid pipelines far away from the operation cabinet are sealing structures, and the end parts of the two liquid pipelines far away from the operation cabinet are sealing structures, so that the two liquid pipelines can form a loop.
Preferably, the high-pressure manual pressure regulating valve and the high-pressure direction switching valve form a loop through the distribution of liquid pipelines.
Preferably, a low-pressure direction switching valve is arranged on the liquid pipeline on one side of the low-pressure pneumatic pressure regulating valve and the low-pressure pipeline flowmeter.
Compared with the prior art, the invention has the beneficial effects that:
the driving motor that will need the test is placed in upper right side position department in the picture, connect driving motor's one end on operating cabinet after that, and at driving motor, install the drive shaft between the operating cabinet in proper order, the torque limiter, moment of torsion tachometric sensor, flexible coupling, the middle part of operating cabinet still is equipped with the oil tank, and the oil tank both sides in the operating cabinet are connected with the drive shaft respectively, with two liquid pipeline, through the torque limiter, moment of torsion tachometric sensor, flexible coupling can play the effect of test and record to driving motor, can carry out effectual test with the performance of motor, and can be with data record.
When the oil pump and the oil pump need to be tested, the driving motor can operate and then enable the oil tank in the operation cabinet to flow, so that liquid in the oil tank can flow into the two liquid pipelines according to use requirements, the pressures measured by the two liquid pipelines are different, when high pressure is measured, the liquid needing to be measured can flow into a high-pressure loop, the flow direction of the liquid is controlled by the low-pressure pneumatic pressure regulating valve, the high-pressure direction switching valve and the high-pressure sensor, and the pressure test can be carried out through the high-pressure pneumatic pressure regulating valve and the high-pressure pipeline flowmeter; when measuring low pressure, the liquid to be measured flows into the low-pressure loop, the low-pressure sensor, the low-pressure manual regulating valve and the low-pressure direction switching valve control the flow direction of the liquid, and pressure testing can be carried out through the low-pressure pneumatic pressure regulating valve and the low-pressure pipeline flowmeter.
The equipment can be used for oil pump test, motor test, electric oil pump test, high and low temperature test, cold start test, thermal balance test and the like, and can also be embedded into various instruments (a temperature acquisition instrument, a power analyzer and the like) by software during test, so that the data can be better synchronized. The single equipment can be used for testing and recording various equipment and various data, the use of a plurality of complex equipment is reduced, manpower and material resources are reduced, the time is saved, and the working efficiency is improved.
Drawings
FIG. 1 is a top view of the structure of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is a front view of the structure of the present invention;
FIG. 4 is an enlarged view of the invention at B in FIG. 3;
FIG. 5 is a schematic diagram of the low pressure, high pressure loop of the present invention.
In the figure: 1. a high pressure pneumatic pressure regulating valve; 2. a low pressure pneumatic pressure regulating valve; 3. a high pressure manual pressure regulating valve; 4. a high pressure directional switching valve; 5. a low pressure manual regulating valve; 6. a low pressure directional switching valve; 7. a low pressure pipeline flow meter; 8. a high pressure pipeline flow meter; 9. a high pressure sensor; 10. a low pressure sensor; 11. a drive shaft; 12. a torque limiter; 13. a torque speed sensor; 14. a flexible coupling; 15. a drive motor; 16. operating the cabinet; 17. a flow monitoring cabinet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: a multifunctional test system for an electric oil pump comprises an operation cabinet 16, wherein a flow monitoring cabinet 17 is arranged on one side of the operation cabinet 16, a test structure is arranged at the top of the flow monitoring cabinet 17, and a power structure is arranged on one side, far away from the flow monitoring cabinet 17, of the top of the operation cabinet 16;
in this embodiment, preferably, referring to fig. 1, fig. 2, and fig. 5, the testing structure includes two liquid pipelines, and the two liquid pipelines are sequentially connected to the operating cabinet 16, wherein a low-pressure sensor 10 is disposed at a position of one of the liquid pipelines close to the operating cabinet 16, a low-pressure pneumatic pressure regulating valve 2 is disposed at one side of the liquid pipeline close to the low-pressure sensor 10, a low-pressure manual regulating valve 5 is disposed at one side of the liquid pipeline close to the low-pressure pneumatic pressure regulating valve 2, and a low-pressure pipeline flowmeter 7 is disposed at one side of the liquid pipeline close to the low-pressure pneumatic pressure regulating valve 2; a high-pressure sensor 9 is arranged at a position, close to an operation cabinet 16, of the other liquid pipeline, a high-pressure pneumatic pressure regulating valve 1 is arranged on one side, located at the high-pressure sensor 9, of the liquid pipeline, a high-pressure manual pressure regulating valve 3 and a high-pressure direction switching valve 4 are sequentially arranged on one side, located at the high-pressure direction switching valve 4, of the liquid pipeline, a high-pressure pipeline flowmeter 8 is arranged on one side, located at the high-pressure direction switching valve 4, of the liquid pipeline, the pressures measured by the two liquid pipelines are different, the high pressure and the low pressure measured by the two liquid pipelines can be shown in a figure 5, when the high pressure is measured, liquid to be measured can flow into a high-pressure loop, the low-pressure pneumatic pressure regulating valve 2, the high-pressure direction switching valve 4 and the high-pressure sensor 9 control the flow direction of the liquid, and the pressure test can be carried out through the high-pressure pneumatic pressure regulating valve 1 and the high-pressure pipeline flowmeter 8; when measuring low pressure, the liquid to be measured flows into a low-pressure loop, the low-pressure sensor 10, the low-pressure manual regulating valve 5 and the low-pressure direction switching valve 6 control the flow direction of the liquid, and the pressure test can be carried out through the low-pressure pneumatic pressure regulating valve 2 and the low-pressure pipeline flowmeter 7.
When the automatic adjustment is needed, only the high-pressure pneumatic pressure regulating valve 1 and the low-pressure pneumatic pressure regulating valve 2 are needed to be operated, and the opening of the air valve is adjusted by operating software in the cabinet 16, so that the pressure is adjusted, and the software is provided with PID (proportion integration differentiation) and can keep pressure values at different rotating speeds; due to the characteristics of the air valve, when the high pressure is reduced, a long time is generated, the time is reduced from 60Bar to the minimum time of 30 seconds, sometimes the long time can not meet the requirement of the test, the air valve is required to be switched to the manual high-pressure manual pressure regulating valve 3 and the manual low-pressure regulating valve 5 through the switching valve, and the pipeline pressure is adjusted through the manual regulating valve before the experiment.
In this embodiment, preferably, referring to fig. 3 and 4, the power structure includes a driving motor 15, the driving motor 15 is located on a top supporting plate on one side of the operation cabinet 16, one end of the driving motor 15 is connected to the operation cabinet 16, a flexible coupling 14 is arranged in a direction of the driving motor 15 close to the operation cabinet 16, a torque and rotation speed sensor 13 is arranged in a direction of one side of the flexible coupling 14 close to the operation cabinet 16, a torque limiter 12 is arranged in a direction of one side of the torque and rotation speed sensor 13 close to the operation cabinet 16, the torque limiter 12 is connected to the operation cabinet 16 through a driving shaft 11, and the driving motor 15 can provide power to enable the detection material flowing into the two liquid pipelines.
In this embodiment, preferably, referring to fig. 3 and 4, the driving shaft 11, the torque limiter 12, the torque rotation speed sensor 13, and the flexible coupling 14 are disposed at the same center.
In this embodiment, it is preferable that the high-pressure pneumatic pressure regulating valve 1, the low-pressure pneumatic pressure regulating valve 2, the low-pressure line flow meter 7, and the high-pressure line flow meter 8 be located on the same axis.
In this embodiment, preferably, referring to fig. 1 and 2, the ends of the two liquid pipes far away from the operating cabinet 16 are both sealed structures, and the ends of the two liquid pipes far away from the operating cabinet 16 are both sealed structures, so that both liquid pipes can form a loop.
In this embodiment, preferably, referring to fig. 1 and 2, the high-pressure manual pressure regulating valve 3 and the high-pressure direction switching valve 4 form a loop through the distribution of the liquid pipelines.
In this embodiment, it is preferable that the low-pressure direction switching valve 6 is provided in a liquid pipe on the side of the low-pressure pneumatic pressure regulating valve 2 and the low-pressure line flowmeter 7.
The working principle is as follows: the driving motor 15 to be tested is placed at the upper position on the right side in the figure 3, one end of the driving motor 15 is connected to the operation cabinet 16, the driving shaft 11, the torque limiter 12, the torque rotating speed sensor 13 and the flexible coupling 14 are sequentially arranged between the driving motor 15 and the operation cabinet 16, as can be seen from the figure 3, an oil tank is further arranged in the middle of the operation cabinet 16, two sides of the oil tank in the operation cabinet 16 are respectively connected with the driving shaft 11 and the two liquid pipelines, the torque limiter 12, the torque rotating speed sensor 13 and the flexible coupling 14 can play a test and record role on the driving motor 15, when an oil pump and an oil pump are required to be tested, the oil tank in the operation cabinet 16 can flow after the driving motor 15 is operated, so that the liquid in the oil tank can flow into the two liquid pipelines according to the use requirements, and the pressures measured by the two liquid pipelines are different, the high pressure and the low pressure measured by the two liquid pipelines can be seen from a figure 5, when the high pressure is measured, the liquid to be measured can flow into a high-pressure loop, the flow direction of the liquid is controlled by the low-pressure pneumatic pressure regulating valve 2, the high-pressure direction switching valve 4 and the high-pressure sensor 9, and the pressure test can be carried out through the high-pressure pneumatic pressure regulating valve 1 and the high-pressure pipeline flowmeter 8; when measuring low pressure, the liquid to be measured flows into a low-pressure loop, the low-pressure sensor 10, the low-pressure manual regulating valve 5 and the low-pressure direction switching valve 6 control the flow direction of the liquid, and the pressure test can be carried out through the low-pressure pneumatic pressure regulating valve 2 and the low-pressure pipeline flowmeter 7.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides an electricity oil pump multifunctional test system, includes operation rack (16), one side of operation rack (16) is equipped with flow monitoring rack (17), its characterized in that: the top of the flow monitoring cabinet (17) is provided with a test structure, and one side of the top of the operation cabinet (16), which is far away from the flow monitoring cabinet (17), is provided with a power structure;
the test structure comprises two liquid pipelines which are sequentially connected with an operation cabinet (16), a low-pressure sensor (10) is arranged at the position, close to the operation cabinet (16), of one liquid pipeline, one side, located at the low-pressure sensor (10), of the liquid pipeline is provided with a low-pressure pneumatic pressure regulating valve (2), one side, located at the low-pressure pneumatic pressure regulating valve (2), of the liquid pipeline is provided with a low-pressure manual regulating valve (5), and one side, located at the low-pressure pneumatic pressure regulating valve (2), of the liquid pipeline is provided with a low-pressure pipeline flowmeter (7).
2. The multifunctional test system for the electric oil pump according to claim 1, characterized in that: the high-pressure pneumatic pressure regulating valve is characterized in that a high-pressure sensor (9) is arranged at a position, close to an operation cabinet (16), of another liquid pipeline, a high-pressure pneumatic pressure regulating valve (1) is arranged on one side, located at the high-pressure sensor (9), of the liquid pipeline, a high-pressure manual pressure regulating valve (3) and a high-pressure direction switching valve (4) are sequentially arranged on one side, located at the high-pressure pneumatic pressure regulating valve (1), of the liquid pipeline, and a high-pressure pipeline flowmeter (8) is arranged on one side, located at the high-pressure direction switching valve (4), of the liquid pipeline.
3. The multifunctional test system for the electric oil pump according to claim 1, characterized in that: the power structure comprises a driving motor (15), and the driving motor (15) is located on a top supporting plate on one side of the operation cabinet (16).
4. The multifunctional testing system for the electric oil pump according to claim 3, wherein: one end of the driving motor (15) is connected with the operation cabinet (16).
5. The multifunctional testing system for the electric oil pump according to claim 4, wherein: the direction that is close to operation rack (16) of driving motor (15) is equipped with flexible coupling (14), the direction department that one side of flexible coupling (14) is close to operation rack (16) is equipped with moment of torsion tachometric sensor (13), the direction department that one side of moment of torsion tachometric sensor (13) is close to operation rack (16) is equipped with moment of torsion limiter (12), moment of torsion limiter (12) are connected with operation rack (16) through drive shaft (11).
6. The multifunctional testing system for the electric oil pump according to claim 5, wherein: the driving shaft (11), the torque limiter (12), the torque rotating speed sensor (13) and the flexible coupling (14) are arranged in the same circle center.
7. The multifunctional test system for the electric oil pump according to claim 2, characterized in that: the high-pressure pneumatic pressure regulating valve (1), the low-pressure pneumatic pressure regulating valve (2), the low-pressure pipeline flowmeter (7) and the high-pressure pipeline flowmeter (8) are positioned on the same axis.
8. The multifunctional test system for the electric oil pump according to claim 2, characterized in that: the ends of the two liquid pipelines far away from the operation cabinet (16) are sealed structures.
9. The multifunctional test system for the electric oil pump according to claim 2, characterized in that: the high-pressure manual pressure regulating valve (3) and the high-pressure direction switching valve (4) form a loop through the distribution of liquid pipelines.
10. The multifunctional test system for the electric oil pump according to claim 1, characterized in that: and a low-pressure direction switching valve (6) is arranged on the liquid pipeline on one side of the low-pressure pneumatic pressure regulating valve (2) and the low-pressure pipeline flowmeter (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111005646.5A CN113757092A (en) | 2021-08-30 | 2021-08-30 | Multifunctional test system for electric oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111005646.5A CN113757092A (en) | 2021-08-30 | 2021-08-30 | Multifunctional test system for electric oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113757092A true CN113757092A (en) | 2021-12-07 |
Family
ID=78791834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111005646.5A Pending CN113757092A (en) | 2021-08-30 | 2021-08-30 | Multifunctional test system for electric oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113757092A (en) |
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2021
- 2021-08-30 CN CN202111005646.5A patent/CN113757092A/en active Pending
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Country or region after: China Address after: No. 33 Longzi Road, Wujin National High tech Industrial Development Zone, Changzhou City, Jiangsu Province, 213100 Applicant after: Dechang Drive Technology (Changzhou) Co.,Ltd. Address before: 213164 A2, fengshu Industrial Park, 7 Xinhui Road, Wujin District, Changzhou City, Jiangsu Province Applicant before: Shiteke fluid power system (Changzhou) Co.,Ltd. Country or region before: China |