WO2022052252A1

WO2022052252A1 - Device for testing electric motor of electric vehicle

Info

Publication number: WO2022052252A1
Application number: PCT/CN2020/125206
Authority: WO
Inventors: 张菡莉
Original assignee: 苏州溯标检测认证有限公司
Priority date: 2020-09-10
Filing date: 2020-10-30
Publication date: 2022-03-17
Also published as: CN112269129B; CN112269129A

Abstract

A device for testing an electric motor of an electric vehicle, the device comprising a fixing base (1), a testing unit (2), fixing units (3) and supporting legs (7). Four supporting legs (7) are provided and are respectively arranged at four corners of the bottom end of the fixing base (1). The fixing units (3) are respectively arranged on a left side and a right side of the top end of the fixing base (1); a temperature measuring unit (5) is arranged on a rear side of the top end of the fixing base (1); and a placing unit (6) is arranged at the bottom end of the fixing base (1). The testing unit (2) comprises a tester (21), an electric telescopic rod (22), a movable block (23), a lead screw (24), a fixed block (25) and an electric motor (26), wherein the fixed block (25) is arranged on a front side face of the fixing base (1); the lead screw (24) is rotatably connected in a groove in the top end of the fixed block (25); the electric motor (26) is arranged on a front side face of the fixed block (25); the movable block (23) is slidably connected in the groove in the top end of the fixed block (25); a screw hole in a side face of the movable block (23) is in threaded connection with the lead screw (24); and the electric telescopic rod (22) is arranged at the top end of the movable block (23). The device for testing an electric motor of an electric vehicle has the advantages of being simple to use, firmly performing fixing, facilitating replacement thereof, and having a good testing effect.

Description

An electric vehicle motor test device

technical field

The invention relates to the technical field of motor testing devices, in particular to an electric vehicle motor testing device.

Background technique

Motor testing is an important part of the comprehensive evaluation of motor assembly quality and technical performance, and is an important process in motor manufacturing and production. Traditional test equipment and methods require a lot of observation instruments due to long operation time. Analysis and calculation affect the quality and accuracy of the motor test to a certain extent. With the further improvement of the current motor design level and technological level, and the continuous improvement of the performance of motor raw materials, the performance and quality indicators of the motor have been greatly improved. , Therefore, the requirements for motor testing technology are also increasing. Various performance tests of the motor are required in the motor manufacturing process. However, the common motor testing device is not convenient for fixing the testing motor. Therefore, for small batches of multi-species motor testing During the test, it is often necessary to constantly replace different fixtures to clamp the motor, resulting in high labor intensity for workers, and there is no device for monitoring the temperature of the motor during the test, resulting in damage to the motor due to overheating.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the existing defects and provide an electric vehicle motor testing device, which is simple to use, firm in fixation, convenient for replacement, and has a good test effect, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: an electric vehicle motor testing device, comprising a fixing seat, a testing unit, a fixing unit and a supporting foot;

Fixed seat: the support feet have four and are respectively set at the four corners of the bottom end of the fixed seat, the left and right sides of the top of the fixed seat are provided with fixed units, and the rear side of the top of the fixed seat is provided with a temperature measurement unit, so The bottom end of the fixed seat is provided with a placing unit;

Test unit: It includes a tester, an electric telescopic rod, a movable block, a lead screw, a fixed block and a motor. The fixed block is arranged on the front side of the fixed seat, and the lead screw is rotatably connected to the groove at the top of the fixed block. The motor is arranged on the front side of the fixed block, the movable block is slidably connected with the groove at the top of the fixed block, the screw hole on the side of the movable block is threadedly connected with the lead screw, and the top of the movable block is provided with an electric telescopic rod , the top of the electric telescopic rod is provided with a tester;

Wherein, it also includes a controller, the controller is arranged on the left side of the fixed block, the input end of the tester, the electric telescopic rod and the motor are electrically connected to the output end of the controller, and the input end of the controller is electrically connected The output of the external power supply.

Through the test unit, the height of the tester can be adjusted according to different sizes of electric vehicle motors, and then the tester is connected to the electric vehicle motor for testing, thereby improving the test effect.

Further, the fixing unit includes a runner, a screw, a connecting plate and a pressing plate, the connecting plate is arranged on one side of the top end of the fixing base, the screw hole in the middle of the connecting plate is threadedly connected with the screw, and the outer end of the screw is There is a runner, the inner end of the screw is rotatably connected to the middle of the outer side of the pressure plate, the inner side of the pressure plate is provided with a T-shaped groove, and the top of the pressure plate is provided with a protection unit, which can connect different sizes of electric vehicle motors. The fixing is also convenient for subsequent replacement of the electric vehicle motor, thereby improving the practicability of the device.

Further, the protection unit includes a clamping rod, a T-shaped block, a rotating shaft, a rubber pad and a mounting block. The front and rear ends of the outer side of the rubber pad are provided with T-shaped blocks. The T-shaped groove is slidably connected, the rotating shaft is rotatably connected to the front side of the top of the pressure plate, the outer side of the rotating shaft is provided with a clamping rod, the mounting block is located on the rear side of the top of the pressure plate, and the clamping groove on the side of the mounting block is connected to the clamping rod. The rods are clamped together, which can increase the friction on the inner side of the pressure plate, effectively protect the motor of the electric vehicle, and facilitate the replacement of the rubber pad.

Further, the temperature measuring unit includes a handle, a sliding rod, an L-shaped plate, a spring, a support plate and a temperature sensor, the L-shaped plate is arranged on the rear side of the top end of the fixed seat, and the sliding hole in the horizontal direction of the L-shaped plate is provided. The bottom end of the L-shaped plate in the horizontal direction is provided with a spring, the bottom end of the spring is provided with a support plate, the middle part of the top end of the support plate is connected with the bottom end of the slide bar, and the support plate A temperature sensor is arranged at the bottom end of the slide bar, a handle is arranged at the top end of the sliding rod, and the output end of the temperature sensor is electrically connected to the input end of the controller, which can detect the temperature of the electric vehicle motor while testing, thereby The test can be stopped in time when the electric vehicle motor overheats.

Further, the placement unit includes a partition, a placement box, an insert block, a slot and a fixing frame, the fixing frame is arranged in the middle of the bottom end of the fixing base, and the bottom end inside the fixing frame is provided with a slot, and the fixing frame is provided with a slot. The bottom end of the placement box is provided with an insert block, the insert block is inserted into the slot, and the interior of the placement box is provided with a partition, which can classify and place maintenance tools and electrical components, so that it is convenient for personnel to quickly use it. to select.

Further, it also includes a connecting shaft and a clamping block. There are two connecting shafts and they are respectively connected to the left and right ends of the front side of the fixing frame. The outer side of the connecting shaft is provided with a clamping block, which can fix the placing box. Thereby, the problem of slipping of the placing box is prevented.

Further, it also includes telescopic rods. There are two telescopic rods, which are respectively arranged on the inner side of the connecting plate. The inner ends of the two telescopic rods are respectively connected with the two ends of the inner side of the pressure plate, which can increase the stability of the pressure plate when moving. resistance, while preventing breakage at the joint.

Further, it also includes a display screen, the display screen is arranged at the front end of the tester, and the input end of the display screen is electrically connected to the output end of the controller, so that the test data can be conveniently displayed, so that it is convenient for personnel to view.

Compared with the prior art, the beneficial effects of the present invention are: the electric vehicle motor testing device has the following advantages:

1. Through the test unit, the height of the tester can be adjusted according to different sizes of electric vehicle motors, and then the tester is connected to the electric vehicle motor for testing, thereby improving the test effect. stability while preventing breakage at the joint;

2. Through the fixing unit, the electric vehicle motors of different sizes can be fixed, and it is also convenient for the subsequent replacement of the electric vehicle motors, thereby improving the practicability of the device. There are connecting shafts and clamping blocks, which can fix the placement box. So as to prevent the placement box from slipping off;

3. Through the protection unit, the friction force on the inner side of the pressure plate can be increased, and at the same time, the motor of the electric vehicle can be effectively protected, and the rubber pad can be easily replaced. Personnel can quickly select when using;

4. Through the temperature measurement unit, the temperature of the electric vehicle motor can be tested at the same time, so that the test can be stopped in time when the electric vehicle motor is overheated. There is a display screen, which can easily display the test data. This makes it easier for people to see.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is a schematic diagram of the structure of the placement unit of the present invention;

FIG. 3 is a schematic diagram of a partially enlarged structure of part A of the present invention.

In the picture: 1 fixed seat, 2 test unit, 21 tester, 22 electric telescopic rod, 23 movable block, 24 lead screw, 25 fixed block, 26 motor, 3 fixed unit, 31 runner, 32 screw rod, 33 connecting plate, 34 pressing plates, 4 protection units, 41 clamping rods, 42 T-blocks, 43 rotating shafts, 44 rubber pads, 45 mounting blocks, 5 temperature measuring units, 51 handles, 52 sliding bars, 53 L-shaped plates, 54 springs, 55 supporting plates , 56 temperature sensors, 6 placement units, 61 partitions, 62 placement boxes, 63 inserts, 64 slots, 65 fixing brackets, 7 supporting feet, 8 connecting shafts, 9 clamping blocks, 10 telescopic rods, 11 display screens, 12 controller.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-3, the present invention provides a technical solution: an electric vehicle motor testing device, comprising a fixing base 1, a testing unit 2, a fixing unit 3 and a supporting foot 7;

Fixed base 1: There are four supporting feet 7 and they are respectively arranged at the four corners of the bottom end of the fixed base 1. The left and right sides of the top of the fixed base 1 are provided with fixed units 3. The fixed unit 3 includes a runner 31, a screw 32, and a connecting plate 33. and the pressing plate 34, the connecting plate 33 is arranged on one side of the top end of the fixed seat 1, the screw hole in the middle of the connecting plate 33 is threadedly connected with the screw 32, the outer end of the screw 32 is provided with a runner 31, and the inner end of the screw 32 is connected to the outer end of the pressing plate 34. The middle of the side is connected in rotation, the inner side of the pressure plate 34 is provided with a T-shaped groove, and the top of the pressure plate 34 is provided with a protection unit 4, which can fix the electric vehicle motors of different sizes, and also facilitate the subsequent replacement of the electric vehicle motors, and then To improve the practicability of the device, the protection unit 4 includes a clamping rod 41, a T-shaped block 42, a rotating shaft 43, a rubber pad 44 and a mounting block 45. The front and rear ends of the outer side of the rubber pad 44 are provided with T-shaped blocks 42. The T-shaped blocks 42 is slidingly connected with the T-shaped groove on the inner side of the pressing plate 34, the rotating shaft 43 is rotatably connected to the front side of the top of the pressing plate 34, the outer side of the rotating shaft 43 is provided with a clamping rod 41, and the mounting block 45 is arranged on the rear side of the top of the pressing plate 34, and the mounting block 45 The card slot on the side is connected with the card rod 41, which can increase the friction force on the inner side of the pressure plate 34, effectively protect the motor of the electric vehicle, and facilitate the replacement of the rubber pad 44. The rear side of the top of the fixed seat 1 is provided with The temperature measuring unit 5 includes a handle 51, a sliding rod 52, an L-shaped plate 53, a spring 54, a support plate 55 and a temperature sensor 56. The L-shaped plate 53 is arranged on the rear side of the top end of the fixed seat 1, and the L-shaped plate 53. The sliding hole in the horizontal direction is slidably connected to the sliding rod 52. The bottom end of the L-shaped plate 53 in the horizontal direction is provided with a spring 54, and the bottom end of the spring 54 is provided with a supporting plate 55. The bottom end of the support plate 55 is provided with a temperature sensor 56, the top end of the sliding rod 52 is provided with a handle 51, and the output end of the temperature sensor 56 is electrically connected to the input end of the controller 12, which can test the electric vehicle motor at the same time. The temperature is detected, so that the test can be stopped in time when the electric vehicle motor is overheated. The bottom end of the fixing base 1 is provided with a placement unit 6, and the placement unit 6 includes a partition 61, a placement box 62, an insert block 63, and a slot 64. and the fixing frame 65, the fixing frame 65 is arranged in the middle of the bottom end of the fixing base 1, the bottom end inside the fixing frame 65 is provided with a slot 64, the bottom end of the placing box 62 is provided with a plug block 63, the plug block 63 and the slot 64 The interior of the placing box 62 is provided with a partition 61, so that maintenance tools and electrical components can be classified and placed, so that personnel can quickly select them during use;

Test unit 2: includes a tester 21, an electric telescopic rod 22, a movable block 23, a lead screw 24, a fixed block 25 and a motor 26. The fixed block 25 is arranged on the front side of the fixed seat 1, and the top of the fixed block 25 rotates in the groove A lead screw 24 is connected, the motor 26 is arranged on the front side of the fixed block 25, the movable block 23 is slidably connected with the groove at the top of the fixed block 25, the screw hole on the side of the movable block 23 is threadedly connected with the lead screw 24, and the The top is provided with an electric telescopic rod 22, and the top of the electric telescopic rod 22 is provided with a tester 21. Through the test unit 2, the height of the tester 21 can be adjusted according to the electric vehicle motors of different sizes, and then the tester 21 is connected with the electric vehicle motor. Connect to test to improve the effect of the test;

The controller 12 is also included. The controller 12 is located on the left side of the fixed block 25. The input ends of the tester 21, the electric telescopic rod 22 and the motor 26 are electrically connected to the output end of the controller 12. The input end of the controller 12 The output end of the external power supply is electrically connected, and also includes a connecting shaft 8 and a clamping block 9. There are two connecting shafts 8 and are respectively connected to the left and right ends of the front side of the fixing frame 65. The outer side of the connecting shaft 8 is provided with a clamping block 9, The placing box 62 can be fixed to prevent the placing box 62 from slipping off. It also includes telescopic rods 10. There are two telescopic rods 10 and the front and rear are correspondingly arranged on the inner side of the connecting plate 33. The inner ends of the two telescopic rods 10 They are respectively connected with the two ends of the inner side of the pressure plate 34, which can increase the stability of the pressure plate 34 when moving, and prevent the connection from breaking. It also includes the display screen 11, which is located at the front end of the tester 21, and the input of the display screen 11 is included. The terminal is electrically connected to the output terminal of the controller 12, which can conveniently display the test data, so as to facilitate the personnel to view.

When in use: turn on the external power supply, and the electrical appliances work normally. First, put the electric vehicle motor on the top of the fixed seat 1, and turn the runner 31 to drive the screw 32 to rotate, so that the screw 32 drives the pressure plate 34 to fix the electric vehicle motor. The connecting plate 33 is connected to the pressing plate 34 through the telescopic rod 10. The telescopic rod 10 can increase the stability of the pressing plate 34 when moving, and at the same time prevent the connection from breaking. 42 is slidingly connected, the rubber pad 44 can increase the frictional force on the inner side of the pressure plate 34, and at the same time effectively protect the electric vehicle motor, the rotating shaft 43 drives the clamping rod 41 to rotate, which also facilitates the replacement of the rubber pad 44, and then pulls the handle 51 to make the spring 54 shrink, when the electric vehicle motor is fixed, release the handle 51 to make the temperature sensor 56 contact with the electric vehicle motor, so that the temperature of the electric vehicle motor can be detected while testing the electric vehicle motor, so that when the electric vehicle motor is overheated The test can be stopped in time, and finally the electric telescopic rod 22 is started to drive the tester 21 to move to a suitable height, and the starter motor 26 drives the lead screw 24 to rotate, so that the movable block 23 threadedly connected by the lead screw 24 is connected to the electric vehicle motor for testing and fixing. The bottom end of the base 1 is provided with a fixing frame 65, and the slot 64 at the inner bottom of the fixing frame 65 is inserted into the insert block 63 at the bottom end of the placing box 62, and the placing box 62 is also provided with a partition 61, so that maintenance tools and electrical appliances can be connected. The components are classified and placed, so that the personnel can quickly select them during use. The front end of the tester 21 is provided with a display screen 11, and the display screen 11 can conveniently display the test data, so as to facilitate the personnel to view.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

An electric vehicle motor testing device, characterized in that it comprises a fixing seat (1), a testing unit (2), a fixing unit (3) and a supporting foot (7);

Fixing seat (1): the supporting feet (7) have four and are respectively arranged at the four corners of the bottom end of the fixing seat (1), the left and right sides of the top of the fixing seat (1) are provided with fixing units (3), A temperature measuring unit (5) is arranged on the rear side of the top end of the fixing seat (1), and a placing unit (6) is arranged at the bottom end of the fixing seat (1);

Test unit (2): comprising a tester (21), an electric telescopic rod (22), a movable block (23), a lead screw (24), a fixed block (25) and a motor (26), the fixed block (25) A screw (24) is rotatably connected in the groove at the top of the fixing block (25), and the motor (26) is arranged on the front side of the fixing block (25). The movable block (23) is slidably connected with the groove at the top of the fixed block (25), the screw holes on the side of the movable block (23) are threadedly connected with the lead screw (24), and the top of the movable block (23) is provided with a screw. There is an electric telescopic rod (22), and the top of the electric telescopic rod (22) is provided with a tester (21);

Wherein, it also includes a controller (12), the controller (12) is arranged on the left side of the fixed block (25), the input of the tester (21), the electric telescopic rod (22) and the motor (26) The terminal is electrically connected to the output terminal of the controller (12), and the input terminal of the controller (12) is electrically connected to the output terminal of the external power supply.
An electric vehicle motor testing device according to claim 1, characterized in that: the fixing unit (3) comprises a runner (31), a screw (32), a connecting plate (33) and a pressing plate (34), The connecting plate (33) is arranged on one side of the top end of the fixing seat (1), the screw hole in the middle of the connecting plate (33) is threadedly connected with the screw (32), and the outer end of the screw (32) is provided with a runner (31), the inner end of the screw (32) is rotatably connected to the middle of the outer side of the pressing plate (34), the inner side of the pressing plate (34) is provided with a T-shaped groove, and the top of the pressing plate (34) is provided with Protection unit (4).
An electric vehicle motor testing device according to claim 2, characterized in that: the protection unit (4) comprises a clamping rod (41), a T-block (42), a rotating shaft (43), and a rubber pad (44) and the mounting block (45), the front and rear ends of the outer side of the rubber pad (44) are provided with T-shaped blocks (42), and the T-shaped blocks (42) slide with the T-shaped grooves on the inner side of the pressure plate (34). connection, the rotating shaft (43) is rotatably connected to the front side of the top end of the pressure plate (34), the outer side of the rotating shaft (43) is provided with a clamping rod (41), and the mounting block (45) is arranged at the top of the pressure plate (34) On the rear side of the mounting block (45), the clamping slot on the side of the mounting block (45) is clamped with the clamping rod (41).
An electric vehicle motor testing device according to claim 1, characterized in that: the temperature measuring unit (5) comprises a handle (51), a sliding rod (52), an L-shaped plate (53), and a spring (54) , a support plate (55) and a temperature sensor (56), the L-shaped plate (53) is arranged on the rear side of the top end of the fixed seat (1), the sliding hole in the horizontal direction of the L-shaped plate (53) and the sliding rod ( 52) Sliding connection, the bottom end of the L-shaped plate (53) in the horizontal direction is provided with a spring (54), the bottom end of the spring (54) is provided with a support plate (55), and the The middle part of the top end is connected with the bottom end of the sliding rod (52), the bottom end of the support plate (55) is provided with a temperature sensor (56), the top end of the sliding rod (52) is provided with a handle (51), the temperature The output of the sensor (56) is electrically connected to the input of the controller (12).
An electric vehicle motor testing device according to claim 1, characterized in that: the placing unit (6) comprises a partition (61), a placing box (62), an insert block (63), and a slot (64) and a fixing frame (65), the fixing frame (65) is arranged in the middle of the bottom end of the fixing base (1), the inner bottom end of the fixing frame (65) is provided with a slot (64), and the placing box ( The bottom end of 62) is provided with an insert block (63), the insert block (63) is inserted into the slot (64), and a partition plate (61) is arranged inside the placement box (62).
An electric vehicle motor testing device according to claim 5, characterized in that it further comprises a connecting shaft (8) and a clamping block (9), and the connecting shafts (8) have two and are respectively rotatably connected to the fixing frame (65) At the left and right ends of the front side, the outer side of the connecting shaft (8) is provided with a clamping block (9).
An electric vehicle motor testing device according to claim 2, characterized in that it further comprises a telescopic rod (10), and the two telescopic rods (10) are correspondingly arranged on the inner side of the connecting plate (33) in the front and rear. , the inner side ends of the two telescopic rods (10) are respectively connected with the two ends of the inner side surface of the pressing plate (34).
An electric vehicle motor testing device according to claim 1, characterized in that it further comprises a display screen (11), the display screen (11) is arranged at the front end of the tester (21), and the display screen (11) ) is electrically connected to the output end of the controller (12).