CN220015452U - Electronic water pump performance detection system - Google Patents

Abstract

The utility model relates to an electronic water pump performance detection system. The utility model comprises a placing seat for placing a water pump to be tested; the water inlet device comprises a first telescopic piece, a first base body connected with the first telescopic piece, a first piston slidingly connected in the first base body, and a first expansion sleeve arranged on one side of the first piston, wherein the first expansion sleeve can be driven by the first piston to expand and is sleeved on the water inlet pipe; the water outlet device comprises a second telescopic piece, a second seat body connected with the second telescopic piece, a second piston slidingly connected in the second seat body and a second expansion sleeve arranged on one side of the second piston, and the second expansion sleeve can be driven by the second piston to expand and is sleeved on the water outlet pipe; the water supply device comprises a water inlet column and a water outlet column, wherein the water inlet column can be communicated with the water inlet pipe through a first piston, and the water outlet column can be communicated with the water inlet pipe through a second piston. The utility model has high degree of automation and can rapidly and accurately detect the performance of the electronic water pump.

Description

Electronic water pump performance detection system

Technical Field

The utility model relates to the technical field of water pump production equipment, in particular to an electronic water pump performance detection system.

Background

The electronic water pump is used as an important part of the new energy automobile, can cool a battery and a motor of the new energy automobile, and is used as a power source to provide power output for the waterway circulation of the heating of the warm air system.

After the electronic water pump is assembled, the electronic water pump needs to be subjected to comprehensive performance detection to confirm whether the electronic water pump meets the design working condition and whether various performance parameters meet the requirements.

The existing electronic water pump performance detection device has larger volume, complex operation, lower detection efficiency, and poor fixation and sealing of the electronic water pump during the use process, thereby influencing the detection result,

disclosure of Invention

Therefore, the utility model provides the electronic water pump performance detection system which can automatically, quickly and accurately detect the performance of the electronic water pump.

In order to solve the technical problems, the utility model provides an electronic water pump performance detection system, which comprises a rack, wherein a workbench is arranged on the rack, and the rack is provided with:

the water pump to be tested comprises a pressing shell provided with a water inlet pipe and a water outlet pipe;

the water inlet device comprises a first telescopic piece, a first base body connected with the first telescopic piece, a first piston slidingly connected in the first base body and a first expansion sleeve arranged on one side of the first piston, and the first expansion sleeve can be driven by the first piston to expand and is sleeved on the water inlet pipe;

the water outlet device comprises a second telescopic piece, a second seat body connected with the second telescopic piece, a second piston slidingly connected in the second seat body and a second expansion sleeve arranged on one side of the second piston, and the second expansion sleeve can be driven by the second piston to expand and is sleeved on the water outlet pipe;

the water supply device comprises a water inlet column connected with the first seat body and a water outlet column connected with the second seat body, the water inlet column can be communicated with the water inlet pipe through the first piston, and the water outlet column can be communicated with the water inlet pipe through the second piston.

In one embodiment of the utility model, the water pump to be tested further comprises a shell, wherein one end of the shell is connected with a rear cover, and the pressure shell is connected with the other end of the shell; the placing seat comprises a bottom plate arranged at the upper end of the workbench, a shell supporting frame, a water inlet pipe supporting frame and a water outlet pipe supporting frame, wherein the shell supporting frame is respectively connected to the bottom plate and used for supporting one end, close to the rear cover, of the shell, the water inlet pipe supporting frame is used for supporting the water inlet pipe, and the water outlet pipe supporting frame is used for supporting the water outlet pipe.

In one embodiment of the utility model, the electronic water pump performance detection system further comprises a power supply device, wherein the power supply device comprises a pushing cylinder arranged at the upper end of the workbench and positioned at one side of the placement seat, and a power socket connected to the driving end of the pushing cylinder, the power socket is connected to a power supply, the water pump to be tested is led out of a shell of the water pump to be tested and is provided with a power plug matched with the power socket, and when the power plug is pushed by the pushing cylinder and inserted into the power socket, the water pump to be tested is connected to the power supply.

In one embodiment of the utility model, the electronic water pump performance detection system further comprises a pressing component for pressing the water pump to be tested on the placement seat, wherein the pressing component comprises a pressing cylinder arranged at the upper end of the workbench and positioned at one side of the placement seat, a pressing block connected with the driving end of the pressing cylinder and a pressing rod connected with the pressing block, and the pressing rod is perpendicular to the workbench and positioned above the placement seat.

In one embodiment of the utility model, the water supply device comprises an upper water tank, a lower water tank, a water inlet pneumatic valve and a water outlet pneumatic valve, wherein the water inlet pneumatic valve is respectively connected with the upper water tank, the lower water tank and the water inlet through pipelines, the water outlet pneumatic valve is respectively connected with the upper water tank, the lower water tank and the water outlet through pipelines, and the upper water tank and the lower water tank are respectively arranged on the upper side and the lower side of the rack.

In one embodiment of the utility model, a first on-off valve is further arranged between the upper water tank and the water inlet pneumatic valve, and a second on-off valve is further arranged between the upper water tank and the water outlet pneumatic valve.

In one embodiment of the utility model, the water inlet pneumatic valve is connected with a water inlet pipeline, and a first corrugated telescopic pipe is arranged between the water inlet pipeline and the water inlet column; the water outlet pipeline is connected with the water outlet pneumatic valve, and a second corrugated telescopic pipe is arranged between the water outlet pipeline and the water outlet column.

In one embodiment of the utility model, a first through hole is arranged in the first seat, a first driving cavity is radially extended from the first through hole, the water inlet column is connected with one axial end of the first through hole in a threaded manner, a first mounting cavity is extended from the other axial end of the first through hole, a first limiting ring plate is arranged in the first mounting cavity, a first expansion sleeve is arranged in the first mounting cavity, a first piston is slidably connected in the first through hole and is positioned between the water inlet column and the first expansion sleeve, the first piston is of a hollow structure and radially extended along the first piston, a first driving plate is slidably arranged in the first driving cavity, a first air inlet and a first air extraction opening which are communicated with the first driving cavity are connected to the outer side of the first seat, and the first expansion sleeve is positioned between the first piston and the first limiting ring plate.

In one embodiment of the utility model, a second through hole is arranged in the second seat, a second driving cavity is radially extended in the second through hole, the water outlet column is in threaded connection with one axial end of the second through hole, a second mounting cavity is extended at the other axial end of the second through hole, a second limiting ring plate is arranged in the second mounting cavity, a second expansion sleeve is arranged in the second mounting cavity, a second piston is in sliding connection in the second through hole and is positioned between the water outlet column and the second expansion sleeve, the second piston is of a hollow structure and radially extends along the second piston to form a second driving plate which is in sliding connection in the second driving cavity, a second air inlet and a first air extraction opening which are communicated with the second driving cavity are connected to the outer side of the second seat, and the second expansion sleeve is positioned between the second piston and the second limiting ring plate.

In one embodiment of the present utility model, the first and second expansion shells are rubber shells.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

according to the electronic water pump performance detection system, the water inlet device and the water outlet device are arranged, so that the tightness of the water inlet and outlet positions of the electronic water pump in the test process can be ensured, the degree of automation is high, and the performance of the electronic water pump can be rapidly and accurately detected.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.

Fig. 1 is a schematic diagram of the overall structure of the performance detection system of the electronic water pump of the present utility model.

Fig. 2 is a schematic structural diagram of the electronic water pump performance detection system of the present utility model with the frame omitted.

Fig. 3 is a schematic diagram of the structure of the electronic water pump performance detection system of the present utility model.

Fig. 4 is a schematic diagram of a water pump to be tested.

Fig. 5 is a schematic view of the structure of the water outlet device and the water supply device of the present utility model.

Fig. 6 is a schematic front view of the first and second housings of the present utility model.

Fig. 7 is an isometric view of the structure taken along section A-A of fig. 6.

Fig. 8 is a schematic front view of the first and second housings of the present utility model after mounting components.

Fig. 9 is an isometric view of the structure taken along section B-B of fig. 8.

Fig. 10 is a schematic axial sectional view of the first and second housings of the present utility model after mounting members.

Description of the specification reference numerals:

100. a frame; 110. a work table;

200. the water pump to be tested; 210. pressing the shell; 211. a water inlet pipe; 212. a water outlet pipe; 220. a housing; 230. a rear cover; 240. a power plug;

1. a placement seat; 11. a bottom plate; 12. a housing support; 13. a water inlet pipe support frame; 14. a water outlet pipe supporting frame;

2a, a water inlet device; 21a, a first telescopic member; 22a, a first seat body; 221a, first through holes; 222a, a first drive chamber; 223a, a first mounting cavity; 224a, a first stop collar plate; 24a, a first piston; 241a, a first drive plate; 25a, a first expansion sleeve; 26a, a first air inlet; 27a, a first extraction opening;

2b, a water outlet device; 21b, a second telescopic member; 22b, a second seat body; 221b, a second through hole; 222b, a second drive chamber; 223b, a second mounting cavity; 224b, a second limiting ring plate; 24b, a second piston; 241b, a second drive plate; 25b, a second expansion sleeve; 26b, a second air inlet; 27b, a second extraction opening;

3. a water supply device; 31a, a water inlet column; 31b, water outlet column; 32a, an upper water tank; 32b, a lower water tank; 33a, a water inlet pneumatic valve; 33b, a water outlet pneumatic valve; 34. a first on-off valve; 35. a second on-off valve; 36a, a water inlet pipeline; 36b, a water outlet conduit; 37a, a first bellows; 37b, a second bellows;

4. a power supply device; 41. a propulsion cylinder; 42. a power socket;

5. a compression assembly; 51. a compacting cylinder; 52. briquetting; 53. and (5) pressing the rod.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

In the present utility model, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present utility model, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present utility model, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the present utility model, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 to 4, the performance detection system of an electronic water pump of the present utility model includes a frame 100, a workbench 110 is disposed on the frame, and the frame 100 is provided with:

a placing seat 1 for placing a water pump 200 to be tested, wherein the water pump 200 to be tested comprises a pressing shell 210 provided with a water inlet pipe 211 and a water outlet pipe 212;

a water inlet device 2a, wherein the water inlet device 2a comprises a first telescopic piece 21a, a first base 22a connected with the first telescopic piece 21a, a first piston 24a slidingly connected in the first base 22a, and a first expansion sleeve 25a arranged on one side of the first piston 24a, and the first expansion sleeve 25a can be driven by the first piston 24a to expand and sleeve the water inlet pipe 211;

a water outlet device 2b, wherein the water outlet device 2b comprises a second telescopic member 21b, a second base 22b connected with the second telescopic member 21b, a second piston 24b slidably connected in the second base 22b, and a second expansion sleeve 25b arranged at one side of the second piston 24b, and the second expansion sleeve 25b can be driven by the second piston 24b to expand and sleeve the water outlet pipe 212;

the water supply device 3, the water supply device 3 includes a water inlet column 31a connected to the first seat 22a and a water outlet column 31b connected to the second seat 22b, the water inlet column 31a can communicate with the water inlet pipe 211 through the first piston 24a, and the water outlet column 31b can communicate with the water inlet pipe 211 through the second piston 24 b.

Specifically, the water pump 200 to be tested further includes a housing 220, one end of the housing 220 is connected to a rear cover 230, and the pressure housing 210 is connected to the other end of the housing 220; the placement seat 1 comprises a bottom plate 11 arranged at the upper end of the workbench 110, and a shell supporting frame 12, a water inlet pipe supporting frame 13 and a water outlet pipe supporting frame 14, wherein the shell supporting frame 12 is respectively connected to the bottom plate 11 and used for supporting one end, close to the rear cover 230, of the shell 220, the water inlet pipe supporting frame 13 is used for supporting the water inlet pipe 211, and the water outlet pipe supporting frame 14 is used for supporting the water outlet pipe 212.

Referring to fig. 3, the electronic water pump performance detection system further includes a power supply device 4, the power supply device 4 includes a pushing cylinder 41 disposed at the upper end of the working table 110 and located at one side of the placement base 1, and a power socket 42 connected to the driving end of the pushing cylinder 41, the power socket 42 is connected to a power source, the water pump 200 to be tested is led out of a housing 220 thereof with a power plug 240 mated with the power socket 42, and when the power plug 240 is pushed by the pushing cylinder 41 and inserted into the power socket 42, the water pump 200 to be tested is powered on.

Referring to fig. 3, the electronic water pump performance detection system further includes a pressing component 5 for pressing the water pump 200 to be tested on the placement base 1, where the pressing component 5 includes a pressing cylinder 51 disposed at an upper end of the working table 110 and located at one side of the placement base 1, a pressing block 52 connected to a driving end of the pressing cylinder 51, and a pressing rod 53 connected to the pressing block 52, and the pressing rod 53 is perpendicular to the working table 110 and located above the placement base 1.

Referring to fig. 2, the water supply device 3 includes an upper water tank 32a, a lower water tank 32b, a water inlet pneumatic valve 33a, and a water outlet pneumatic valve 33b, wherein the water inlet pneumatic valve 33a is connected to the upper water tank 32a, the lower water tank 32b, and the water inlet through pipes, the water outlet pneumatic valve 33b is connected to the upper water tank 32a, the lower water tank 32b, and the water outlet through pipes, and the upper water tank 32a and the lower water tank 32b are respectively disposed on the upper side and the lower side of the frame 100.

In this embodiment, a first on-off valve 34 is further disposed between the upper water tank 32a and the water inlet pneumatic valve 33a, and a second on-off valve 35 is further disposed between the upper water tank 32a and the water outlet pneumatic valve 33 b.

With the above arrangement, one of the upper water tank 32a and the lower water tank 32b can supply water, and the other can return water; after the water is full, the water can be alternately supplied by switching the pneumatic valve.

Referring to fig. 3, the intake air valve 33a is connected to an intake pipe 36a, and a first bellows 37a is disposed between the intake pipe 36a and the intake column 31 a; the water pneumatic valve is connected with a water outlet pipeline 36b, and a second corrugated expansion pipe 37b is arranged between the water outlet pipeline 36b and the water outlet column 31b, so that the expansion and contraction are facilitated when the first seat body 22a or the second seat body 22b moves.

Referring to fig. 4-8, a first through hole 221a is disposed in the first seat 22a, a first driving cavity 222a is radially extended from the first through hole 221a, the water inlet column 31a is screwed to one axial end of the first through hole 221a, a first mounting cavity 223a is extended from the other axial end of the first through hole 221a, the first mounting cavity 223a is provided with a first limiting ring plate 224a, the first expansion sleeve 25a is mounted in the first mounting cavity 223a, the first piston 24a is slidably connected in the first through hole 221a and is located between the water inlet column 31a and the first expansion sleeve 25a, the first piston 24a is of a hollow structure and radially extends along the first driving plate 241a slidably disposed in the first driving cavity 222a, a first air inlet 26a and a first air extraction opening 27a which are communicated with the first driving cavity 222a are connected to the outer side of the first seat 22a, and the first expansion sleeve 25a is located between the first piston 24a and the first limiting ring plate 224 a.

Referring to fig. 4-10, a second through hole 221b is disposed in the second seat 22b, a second driving cavity 222b is radially extended from the second through hole 221b, the water outlet column 31b is screwed to one axial end of the second through hole 221b, a second mounting cavity 223b is extended from the other axial end of the second through hole 221b, the second mounting cavity 223b is provided with a second limiting ring plate 224b, the second expansion sleeve 25b is mounted in the second mounting cavity 223b, the second piston 24b is slidably connected in the second through hole 221b and is located between the water outlet column 31b and the second expansion sleeve 25b, the second piston 24b is of a hollow structure and radially extends along the second piston to form a second driving plate 241b slidably disposed in the second driving cavity 222b, a second air inlet 26b and a first air extraction opening 27b which are communicated with the second driving cavity 222b are connected to the outer side of the second seat 22b, and the second expansion sleeve 25b is located between the second piston 24b and the second limiting ring plate 224 b.

Preferably, the first expansion sleeve 25a and the second expansion sleeve 25b are rubber sleeves with inner diameters larger than the outer diameters of the water inlet pipe 211 or the water outlet pipe 212; the inner diameters of the first piston 24a and the second piston 24b are larger than the inner diameter of the rubber sleeve, and the first telescopic piece 21a and the second telescopic piece 21b are cylinders.

The utility model uses the principle that: the housing 220, the water inlet pipe 211 and the water outlet pipe 212 of the water pump 200 to be tested are supported by the placing seat 1, and are compressed by driving the compression rod 53 through the compression cylinder 51, at this time, the first telescopic member 21a drives the first seat 22a to advance towards the direction close to the water inlet pipe 211, so that the water inlet pipe 211 partially extends into the first mounting cavity 223a, at this time, the first air inlet 26a is used for air inlet, the first piston 24a is driven to move and compress the first expansion sleeve 25a in the first mounting cavity 223a, and is limited by the first limiting ring plate 224a, and the first expansion sleeve 25a is tightly sleeved on the outer diameter of the water inlet pipe 211 through the elastic deformation (namely, the inner diameter is reduced) of the radial expansion of the first expansion sleeve 25 a; similarly, the second expansion sleeve 25b is tightly sleeved on the outer diameter of the water outlet pipe 212, water is introduced through the water supply device 3, then the propulsion cylinder 41 advances, the power plug 240 is pushed and inserted into the power socket 42 through the propulsion cylinder 41, the water pump 200 to be tested is powered on and started, whether the electronic water pump to be tested is normal or not is judged, and meanwhile, the running state process of the electronic water pump to be tested is monitored through the equipment control port.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.

Claims (10)

1. The utility model provides an electronic water pump performance detecting system, includes frame (100), be equipped with workstation (110) in the frame, its characterized in that is equipped with in frame (100):

the water pump to be tested (200) comprises a pressing shell (210) provided with a water inlet pipe (211) and a water outlet pipe (212);

the water inlet device (2 a), the water inlet device (2 a) comprises a first telescopic piece (21 a), a first base body (22 a) connected with the first telescopic piece (21 a), a first piston (24 a) connected in the first base body (22 a) in a sliding mode, and a first expansion sleeve (25 a) arranged on one side of the first piston (24 a), wherein the first expansion sleeve (25 a) can be driven by the first piston (24 a) to expand and is sleeved on the water inlet pipe (211);

the water outlet device (2 b), the water outlet device (2 b) comprises a second telescopic piece (21 b), a second base body (22 b) connected with the second telescopic piece (21 b), a second piston (24 b) connected in the second base body (22 b) in a sliding manner, and a second expansion sleeve (25 b) arranged on one side of the second piston (24 b), wherein the second expansion sleeve (25 b) can be driven by the second piston (24 b) to expand and be sleeved on the water outlet pipe (212);

the water supply device (3), the water supply device (3) is including connecting in intake post (31 a) of first pedestal (22 a) and connect in play water post (31 b) of second pedestal (22 b), intake post (31 a) can pass through first piston (24 a) with inlet tube (211) intercommunication, play water post (31 b) can pass through second piston (24 b) with inlet tube (211) intercommunication.

2. The system for detecting the performance of the electronic water pump according to claim 1, wherein the water pump to be tested (200) further comprises a housing (220), one end of the housing (220) is connected with a rear cover (230), and the pressure housing (210) is connected with the other end of the housing (220); the placing seat (1) comprises a bottom plate (11) arranged at the upper end of the workbench (110), a shell supporting frame (12) which is respectively connected with the bottom plate (11) and is used for supporting one end, close to the rear cover (230), of the shell (220), a water inlet pipe supporting frame (13) used for supporting the water inlet pipe (211) and a water outlet pipe supporting frame (14) used for supporting the water outlet pipe (212).

3. An electronic water pump performance detection system according to claim 1, further comprising a power supply device (4), wherein the power supply device (4) comprises a pushing cylinder (41) arranged at the upper end of the workbench (110) and positioned at one side of the placement seat (1), and a power socket (42) connected to the driving end of the pushing cylinder (41), the power socket (42) is connected to a power supply, the water pump (200) to be tested is led out of an outer shell (220) of the water pump to be tested and is provided with a power plug (240) matched with the power socket (42), and when the power plug (240) is pushed by the pushing cylinder (41) and inserted into the power socket (42), the water pump (200) to be tested is connected to the power supply.

4. The electronic water pump performance detection system according to claim 1, further comprising a pressing component (5) for pressing the water pump (200) to be tested on the placement base (1), wherein the pressing component (5) comprises a pressing cylinder (51) arranged at the upper end of the workbench (110) and located at one side of the placement base (1), a pressing block (52) connected with the driving end of the pressing cylinder (51) and a pressing rod (53) connected with the pressing block (52), and the pressing rod (53) is perpendicular to the workbench (110) and located above the placement base (1).

5. The electronic water pump performance detection system according to claim 1, wherein the water supply device (3) comprises an upper water tank (32 a), a lower water tank (32 b), a water inlet pneumatic valve (33 a) and a water outlet pneumatic valve (33 b), the water inlet pneumatic valve (33 a) is respectively connected with the upper water tank (32 a), the lower water tank (32 b) and a water inlet through pipelines, the water outlet pneumatic valve (33 b) is respectively connected with the upper water tank (32 a), the lower water tank (32 b) and a water outlet through pipelines, and the upper water tank (32 a) and the lower water tank (32 b) are respectively arranged on the upper side and the lower side of the rack (100).

6. The electronic water pump performance detection system according to claim 5, wherein a first on-off valve (34) is further arranged between the upper water tank (32 a) and the water inlet pneumatic valve (33 a), and a second on-off valve (35) is further arranged between the upper water tank (32 a) and the water outlet pneumatic valve (33 b).

7. The electronic water pump performance detection system according to claim 5, wherein the water inlet pneumatic valve (33 a) is connected with a water inlet pipeline (36 a), and a first corrugated telescopic pipe (37 a) is arranged between the water inlet pipeline (36 a) and the water inlet column (31 a); the water pneumatic valve is connected with a water outlet pipeline (36 b), and a second corrugated telescopic pipe (37 b) is arranged between the water outlet pipeline (36 b) and the water outlet column (31 b).

8. The system according to claim 1, wherein a first through hole (221 a) is formed in the first seat body (22 a), a first driving cavity (222 a) is radially extended from the first through hole (221 a), the water inlet column (31 a) is in threaded connection with one axial end of the first through hole (221 a), a first mounting cavity (223 a) is extended from the other axial end of the first through hole (221 a), a first limiting ring plate (224 a) is arranged in the first mounting cavity (223 a), the first expansion sleeve (25 a) is installed in the first mounting cavity (223 a), the first piston (24 a) is slidably connected in the first through hole (221 a) and is located between the water inlet column (31 a) and the first expansion sleeve (25 a), the first piston (24 a) is of a hollow structure and is slidably arranged along the radial extension of the first mounting cavity (223 a), the first piston (24 a) is provided with a first driving plate (241 a) in the first driving cavity (222 a), and the first piston (24 a) is connected with the first piston (24 a) and the first piston (27 a) at the outer side of the first seat body (24 a) and the first expansion sleeve (25 a).

9. The system according to claim 1, wherein a second through hole (221 b) is disposed in the second seat body (22 b), the second through hole (221 b) is radially extended to form a second driving cavity (222 b), the water outlet column (31 b) is in threaded connection with one axial end of the second through hole (221 b), the second mounting cavity (223 b) is extended to the other axial end of the second through hole (221 b), the second mounting cavity (223 b) is provided with a second limiting ring plate (224 b), the second expansion sleeve (25 b) is mounted in the second mounting cavity (223 b), the second piston (24 b) is slidably connected in the second through hole (221 b) and is located between the water outlet column (31 b) and the second expansion sleeve (25 b), the second piston (24 b) is of a hollow structure and is radially extended to form a second limiting ring plate (241 b) slidably disposed in the second driving cavity (222 b), and the second piston (24 b) is connected with the second piston (27 b) and the second piston (27 b) in a communicating position between the second seat body and the second piston (24 b).

10. An electronic water pump performance detection system according to claim 1, characterized in that the first (25 a) and the second (25 b) expansion sleeves are rubber sleeves.