CN220795444U - Special jig for testing high-current sensor - Google Patents

Abstract

The utility model discloses a special fixture for testing a heavy current sensor, which comprises a workbench, wherein a stand, an ammeter and a direct current test power supply are sequentially and fixedly arranged at the rear end of the top of the workbench from left to right, a fixing plate is fixedly connected to the top of the stand, motors are fixedly arranged at two ends of the top of the fixing plate, side sliding grooves are formed in two sides of the front of the stand, screw rods positioned in the two side sliding grooves are fixedly connected to the output ends of the two motors, and screw bases which are in sliding connection with the side sliding grooves are in threaded connection with the two screw rods.

Description

Special jig for testing high-current sensor

Technical Field

The utility model relates to the technical field of current testing, in particular to a special fixture for testing a high-current sensor.

Background

The high-current sensor is a hall detection type direct-current high-current sensor which adopts a hall element as a detection element, is a detection device, can sense the measured information, and can convert the sensed information into an electric signal or other information output in a required form according to a certain rule so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like. In order to ensure the working stability of the sensor, the finished sensor detects working current before leaving the factory. The existing special fixture for the heavy current sensor has the following defects: when the existing high-current test is performed, the common test jig is used, a single sensor on the jig is fixed through manual operation, then power-on and data connection are performed, the manual fixing work efficiency is low, and therefore the test efficiency is low.

Disclosure of Invention

The utility model aims to provide a special fixture for testing a high-current sensor, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a special fixture for heavy current sensor test, includes the workstation, the rear end at workstation top is from left to right fixedly provided with grudging post, ampere meter and direct current test power supply in proper order, the top fixedly connected with fixed plate at grudging post, the both ends at fixed plate top all fixedly mounted has the motor, the positive both sides of grudging post have all been seted up the side spout, two the output fixedly connected with of motor is located the lead screw of two side spouts, two equal threaded connection have on the lead screw with side spout sliding connection's screw seat, two fixedly connected with is located the top board in the grudging post place ahead between the screw seat, the side fixedly connected with dead lever of ampere meter, the utility model discloses a high-current sensor test device, including the dead lever, the dead lever is last fixed mounting has the controller, the front end fixedly connected with material slide at workstation top, the fixed carrier base that is provided with in middle part of material slide, the top fixedly connected with test carrier of carrier base, the equal fixed mounting in both ends of test carrier has the centre gripping cylinder, two the equal fixedly connected with of output of centre gripping cylinder is located the inside anchor clamps of test carrier, the bottom fixed mounting of test carrier inner wall has the inductor, and the test carrier bears the heavy current sensor that waits to test to carry out the centre gripping fixedly to heavy current sensor, then the top board descends, carries out further fixation to heavy current sensor, then carries out the current test to heavy current sensor.

Preferably, the direct current test power supply is electrically connected with the controller, the controller is electrically connected with the ammeter, the two motors, the two clamping cylinders and the inductor, the direct current test power supply provides power, the controller receives induction signals of the inductor, then controls the two clamping cylinders to work, then controls the two motors to work, tests the ammeter manually, and then transmits test data to the controller.

Preferably, the center fixed mounting at fixed plate top has the fixing base, the top fixed mounting of fixing base has from locking-type attenuator, and from locking-type attenuator utilizes damping characteristic to slow down mechanical vibration and consume kinetic energy, improves the stability of top board to through the self-locking function of carrying, fix the top board.

Preferably, a middle sliding groove is formed in the middle of the front face of the vertical frame, a connecting seat is connected in the middle sliding groove in a sliding mode, the top of the connecting seat is fixedly connected with the output end of the self-locking damper, the self-locking damper is connected with the upper pressing plate through the connecting seat, and the stability of movement of the upper pressing plate is improved through the self-locking damper.

Preferably, the bottom of the connecting seat is fixedly connected with a triangular support frame connected with the upper pressing plate, so that the structural strength of the connecting seat and the connecting position of the upper pressing plate is enhanced.

Preferably, one end fixedly connected with limiting plate of material slide carries out spacingly to heavy current sensor, prevents that heavy current sensor from dropping.

Compared with the prior art, the utility model has the beneficial effects that: the test carrier automatically senses the heavy current sensor to be tested, automatically fixes the heavy current sensor, then manually tests the heavy current sensor, transmits a test result to the controller, displays the test result on the display device of the heavy current sensor, is simple to operate and convenient to use, and improves the test efficiency.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a fixture according to the present utility model;

FIG. 3 is a schematic view of the internal structure of the test carrier according to the present utility model;

FIG. 4 is a schematic view of an upper platen driving structure according to the present utility model;

fig. 5 is a schematic structural view of an upper platen of the present utility model.

In the figure: 1. a work table; 2. a vertical frame; 3. a self-locking damper; 4. a controller; 5. a carrier base; 6. a material slideway; 7. a test carrier; 8. a fixing plate; 9. an upper press plate; 10. an ammeter; 11. a fixed rod; 12. a DC test power supply; 13. a motor; 14. a fixing seat; 15. a middle chute; 16. a side chute; 17. a limiting plate; 18. a clamping cylinder; 19. a clamp; 20. an inductor; 21. a screw rod; 22. a connecting seat; 23. a screw seat; 24. triangular support frames.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-5, the utility model provides a special fixture for testing a heavy current sensor, which comprises a workbench 1, wherein a stand 2, an ammeter 10 and a direct current test power supply 12 are sequentially and fixedly arranged at the rear end of the top of the workbench 1 from left to right, a fixing plate 8 is fixedly connected to the top of the stand 2, motors 13 are fixedly arranged at two ends of the top of the fixing plate 8, side sliding grooves 16 are formed in two sides of the front surface of the stand 2, screw rods 21 positioned in the two side sliding grooves 16 are fixedly connected to the output ends of the two motors 13, screw bases 23 movably connected with the side sliding grooves 16 are respectively connected to the two screw rods 21 in a threaded manner, and an upper pressing plate 9 positioned in front of the stand 2 is fixedly connected between the two screw bases 23; the two motors 13 respectively drive the two screw rods 21 to rotate, and the upper pressing plate 9 is driven to lift by the two screw rods 21.

The front end of the top of the workbench 1 is fixedly connected with a material slideway 6, the middle part of the material slideway 6 is fixedly provided with a carrier base 5, the top of the carrier base 5 is fixedly connected with a test carrier 7, both ends of the test carrier 7 are fixedly provided with clamping cylinders 18, the output ends of the two clamping cylinders 18 are fixedly connected with a clamp 19 positioned in the test carrier 7, the bottom of the inner wall of the test carrier 7 is fixedly provided with an inductor 20, and one end of the material slideway 6 is fixedly connected with a limiting plate 17; the current sensors before and after the test are distributed in the material slide ways 6 on the two sides of the carrier base 5, the sensor 20 senses that the large current sensor is placed on the test carrier 7, signals are sent to the controller 4, the controller 4 controls the two clamping cylinders 18 to work after receiving the sensing signals, the two clamping cylinders 18 drive the clamps 19 to move, the two clamps 19 are combined to clamp the large current sensor, and the model of the sensor 20 is RH-PIR01.

The side fixedly connected with dead lever 11 of ampere meter 10, fixed mounting has controller 4 on the dead lever 11, direct current test power 12 and controller 4 electric connection, controller 4 and ampere meter 10, two motors 13, two centre gripping cylinders 18 and inductor 20 electric connection, direct current test power 12 provides the power, the induced signal of inductor 20 is received to controller 4, then control two centre gripping cylinders 18 work, then control two motors 13 work, the manual work is tested current sensor through using ampere meter 10, then with test data transmission to controller 4.

The center of the top of the fixed plate 8 is fixedly provided with a fixed seat 14, the top of the fixed seat 14 is fixedly provided with a self-locking damper 3, the middle part of the front surface of the vertical frame 2 is provided with a middle chute 15, a connecting seat 22 is connected in a sliding manner in the middle chute 15, the top of the connecting seat 22 is fixedly connected with the output end of the self-locking damper 3, and the bottom of the connecting seat 22 is fixedly connected with a triangular support frame 24 connected with the upper pressing plate 9; the upper pressing plate 9 is buffered through the self-locking damper 3, the lifting stability of the upper pressing plate 9 is improved, the position of the upper pressing plate 9 is fixed through the self-locking device of the damper, the impact of the heavy current sensor to be tested is reduced, and the heavy current sensor to be tested is prevented from being accidentally damaged.

When the embodiment of the application is used, the following steps are adopted: the direct current test power supply 12 provides power, when the sensor 20 senses that the large current sensor is placed on the test carrier 7, a signal is sent to the controller 4, the controller 4 receives the sensing signal and then controls the two clamping cylinders 18 to work, the two clamping cylinders 18 drive the clamps 19 to move, the two clamps 19 are combined to clamp the large current sensor, finally the controller 4 controls the two motors 13 to work, the two motors 13 respectively drive the two screw rods 21 to rotate, and the upper pressing plate 9 is driven to descend through the two screw rods 21 to press the large current sensor to be tested;

the current sensor is tested manually by using the ammeter 10, and then the test data is transmitted to the controller 4 to be displayed by a display device on the controller 4.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. A special tool for heavy current sensor test, includes workstation (1), its characterized in that: the utility model discloses a test device for the electric power of the electric power machine, which comprises a workbench (1), wherein a stand (2), an ammeter (10) and a direct current test power supply (12) are fixedly arranged at the rear end of the top of the workbench (1) from left to right, a fixing plate (8) is fixedly connected at the top of the stand (2), a motor (13) is fixedly arranged at both ends of the top of the fixing plate (8), side sliding grooves (16) are respectively arranged at both sides of the front of the stand (2), two lead screws (21) which are fixedly connected with the output ends of the motor (13) and are positioned in the two side sliding grooves (16), threaded seats (23) which are in sliding connection with the side sliding grooves (16) are respectively arranged on the two lead screws (21), an upper pressing plate (9) which is positioned in front of the stand (2) is fixedly connected between the threaded seats (23), a fixing rod (11) is fixedly connected at the side of the ammeter (10), a controller (4) is fixedly arranged on the fixing rod (11), a material sliding way (6) is fixedly connected at the front end of the top of the workbench (1), a base (5) of the material sliding way (6) is fixedly connected with the base (5) of the air cylinder (7), the output ends of the two clamping cylinders (18) are fixedly connected with clamps (19) positioned inside the test carrier (7), and the bottom of the inner wall of the test carrier (7) is fixedly provided with an inductor (20).

2. The special fixture for testing a high-current sensor according to claim 1, wherein: the direct current test power supply (12) is electrically connected with the controller (4), and the controller (4) is electrically connected with the ammeter (10), the two motors (13), the two clamping cylinders (18) and the inductor (20).

3. The special fixture for testing a high-current sensor according to claim 1, wherein: the center of fixed plate (8) top is fixed mounting has fixing base (14), the top fixed mounting of fixing base (14) has from locking-type attenuator (3).

4. A special fixture for high current sensor testing according to claim 3, wherein: the middle part of the front face of the vertical frame (2) is provided with a middle sliding groove (15), a connecting seat (22) is connected in a sliding manner in the middle sliding groove (15), and the top of the connecting seat (22) is fixedly connected with the output end of the self-locking damper (3).

5. The special fixture for testing a high-current sensor according to claim 4, wherein: the bottom of the connecting seat (22) is fixedly connected with a triangular supporting frame (24) connected with the upper pressing plate (9).

6. The special fixture for testing a high-current sensor according to claim 1, wherein: one end of the material slideway (6) is fixedly connected with a limiting plate (17).