Relay protection efficient automatic testing device

Abstract

The utility model discloses a relay protection high-efficiency automatic testing device, which comprises a supporting table and a protective cover, the protective cover is arranged at the top end of the supporting table, a connecting frame is arranged in the protective cover, an automatic tester is arranged in the protective cover below the connecting frame, a display screen is arranged on the surface of the automatic tester, and a display screen is arranged on the surface of the display screen. A main loop knob is arranged on the surface of the automatic tester on one side of the display screen, an auxiliary loop knob is arranged on the surface of the automatic tester on one side of the main loop knob, first bolts are symmetrically installed on the side wall of the automatic tester, and the first bolts extend into the connecting frame through the automatic tester. According to the utility model, the automatic testing device can be conveniently moved out in a turnover manner, the turnover protection can be conveniently carried out when the automatic testing device is not used, the storage and the carrying by a worker are facilitated, the automatic testing device is prevented from being damaged by external collision, and the convenience of the automatic testing device for adjusting and testing is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic testing devices, in particular to a high-efficiency automatic testing device for relay protection. Background Art

[0002] The relay protection test device is a special device used to test and verify the performance of relay protection equipment in the power system. It is widely used in the power industry to ensure the safe operation of the power grid and the reliability of protection equipment. The relay protection test device simulates various fault conditions to test the response speed, accuracy and stability of the relay protection equipment, as well as detect its performance indicators in the actual working environment. These test results are crucial to ensuring the stability and safety of the power system.

[0003] For example, a test system for a relay protection device disclosed in the authorization announcement number CN220709271U includes a relay protection device complete machine test tool, a relay protection device to be tested, and an automatic test background system. The relay protection device complete machine test tool is electrically connected to the relay protection device to be tested, the automatic test background system is connected to the relay protection device complete machine test tool through a serial port, and the detection module of the relay protection device complete machine test tool corresponds one-to-one to the electrical components in the relay protection device to be tested;

[0004] Although it realizes the fully automatic test of the whole relay protection device, it can not only solve the problems of repeated wiring of multiple relay protection devices to be tested and cumbersome manual operations, thereby reducing the testing cost, but also improve the reliability of the test results and the production test efficiency. At the same time, it has a high degree of automation and strong compatibility and scalability, thereby ensuring the safe operation of the power system. However, it does not solve the problems that the existing automatic test device is not conducive to convenient flipping removal when in use, and is not easy to flip over when not in use. It is not convenient to store and carry when going out, and the automatic test device is easily damaged by external collisions, which greatly affects the convenience of adjusting and testing the automatic test device. Utility Model Content

[0005] The purpose of the utility model is to provide a high-efficiency automatic test device for relay protection, so as to solve the problems proposed in the above background technology that the automatic test device is not convenient to be flipped out, is not flipped for protection when not in use, is not convenient to be stored and carried when going out, and is easily damaged by external collisions, which affects the convenience of adjusting and testing the automatic test device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-efficiency automatic test device for relay protection, comprising a support platform and a protective cover, a protective cover is arranged on the top of the support platform, a connecting frame is installed inside the protective cover, an automatic tester is arranged inside the protective cover below the connecting frame, a display screen is arranged on the surface of the automatic tester, a main circuit knob is arranged on the surface of the automatic tester on one side of the display screen, an auxiliary circuit knob is arranged on the surface of the automatic tester on one side of the main circuit knob, first bolts are symmetrically installed on the side walls of the automatic tester, and the first bolts all extend through the automatic tester to the inside of the connecting frame A first support frame is installed on the top of the support platform on one side of the protective cover, a first movable shaft is installed on the outer wall of the protective cover on one side of the first support frame, and the first movable shaft is movably connected to the first support frame, a second support frame is installed on the end of the top of the support platform away from the first support frame, a servo motor is installed inside the second support frame, a driving wheel is installed at the output end of the servo motor, a belt is mounted on the surface of the driving wheel, a second movable shaft is installed on the outer wall of the protective cover on one side of the servo motor, and the second movable shaft extends to the outside of the second support frame, a driven wheel is mounted on the surface of the second movable shaft, and the belt extends to the surface of the driven wheel.

[0007] Preferably, a support seat is provided at the bottom end of the support platform, a connecting shaft is installed at the top end of the support seat, a sleeve is installed at the bottom end of the support platform above the connecting shaft, and the connecting shaft extends to the interior of the sleeve, and the connecting shaft is slidably connected to the sleeve, and a second bolt is provided on the surface of the sleeve, and the second bolt extends through the sleeve to the surface of the connecting shaft.

[0008] Preferably, three groups of legs with equal spacing are arranged on the outer wall of the support seat, a third movable shaft is installed at one end of the legs close to the support seat, and the legs are movably connected to the support seat through the third movable shaft.

[0009] Preferably, a support shaft is installed at the bottom end of the support base, a hand strap is provided on the surface of the support shaft, and the hand strap is connected to the support base.

[0010] Preferably, a movable sleeve is sleeved on the surface of the support shaft on one side of the hand strap, and the movable sleeve is slidably connected to the support shaft, a third bolt is arranged on the surface of the movable sleeve, and the third bolt extends to the surface of the support shaft through the movable sleeve.

[0011] Preferably, three groups of connecting arms with equal spacing are arranged on the outer wall of the movable sleeve, and the first linkage shaft is installed on one end of the connecting arms close to the movable sleeve, and the connecting arms are movably connected to the movable sleeve through the first linkage shaft.

[0012] Preferably, the surface of the legs on one side of the connecting arm is covered with a connecting sleeve, the surface of the connecting sleeve is installed with a second linkage shaft, and the connecting arm is movably connected to the connecting sleeve via the second linkage shaft.

[0013] Preferably, a control panel is installed on the outer wall of the protective cover on one side of the first movable shaft, and the output end of the control panel is electrically connected to the input end of the automatic tester and the servo motor.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the automatic test device not only realizes the convenient flipping removal of the automatic test device, facilitates the flipping protection of the automatic test device when not in use, but also facilitates the storage and carrying of the staff, prevents the automatic test device from being damaged by external collision, and improves the convenience of adjusting and testing the automatic test device;

[0015] (1) The servo motor drives the driving wheel to rotate, the driving wheel drives the belt to move, the belt drives the driven wheel to rotate, the driven wheel drives the second movable shaft to rotate, the second movable shaft and the first movable shaft drive the protective cover to rotate as a whole, and the protective cover drives the automatic tester to rotate as a whole, so as to facilitate the automatic tester to be flipped out. By rotating the first bolt, the automatic tester is rotated under the movable support of the automatic tester and the connecting frame to facilitate the operation of the staff, thereby realizing the convenient flipping out of the automatic test device, facilitating the flip protection of the automatic test device when not in use, and preventing the automatic test device from being damaged by external collision.

[0016] (2) The connecting shaft is operated to enter the interior of the sleeve, and the sleeve drives the support platform as a whole to rotate on the top of the support seat, and the support platform drives the protective cover as a whole to rotate, and the protective cover drives the automatic tester as a whole to rotate, so as to facilitate the operation of the staff at different positions. The second bolt is used to fix the connecting shaft through the sleeve to fix the support platform as a whole on the top of the support seat. The movable sleeve is operated to slide on the surface of the support shaft, and the movable sleeve drives the connecting arm to rotate through the first linkage shaft. Under the movable support of the second linkage shaft, the connecting arm drives the support leg to rotate through the connecting sleeve, and the support leg rotates around the third movable shaft to adjust the distance between the three groups of support legs, so as to facilitate the adjustment of the support platform as a whole. When the adjustment is completed, the movable sleeve is fixed to the surface of the support shaft by the third bolt, and the movable sleeve fixes and supports the support leg through the connecting arm, and the support leg supports the support seat, so as to facilitate the automatic tester to test the relay protection devices of different heights as a whole. When the test is completed, the second bolt and the third bolt are changed from a tightened state to a loosened state by rotating the second bolt and the third bolt in the opposite direction, so as to draw the connecting shaft out of the inside of the sleeve, so that the staff can store and carry the support seat as a whole through the hand strap, thereby realizing a convenient height adjustment test of the automatic test device, facilitating the staff to store and carry, and improving the convenience of adjusting the test of the automatic test device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the belt of the utility model;

[0019] Figure 3 This is a front view structural schematic diagram of the utility model;

[0020] Figure 4 It is a partial enlarged structural schematic diagram of the first linkage shaft of the utility model;

[0021] Figure 5 It is a side view enlarged structural schematic diagram of the protective cover of the utility model;

[0022] Figure 6 It is a schematic diagram of an enlarged side cross-sectional structure of the first bolt of the utility model.

[0023] In the figure: 1. support platform; 2. protective cover; 3. connecting frame; 4. automatic tester; 5. first bolt; 6. display screen; 7. main circuit knob; 8. auxiliary circuit knob; 9. first support frame; 10. first movable shaft; 11. second support frame; 12. second movable shaft; 13. servo motor; 14. driving wheel; 15. driven wheel; 16. belt; 17. bushing; 18. connecting shaft; 19. second bolt; 20. support seat; 21. support leg; 22. third movable shaft; 23. support shaft; 24. hand strap; 25. movable sleeve; 26. third bolt; 27. connecting arm; 28. connecting sleeve; 29. ​​first linkage shaft; 30. second linkage shaft; 31. control panel. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0025] See also Figure 1-6 The utility model provides an embodiment: a relay protection efficient automatic test device, comprising a support platform 1 and a protective cover 2, the top of the support platform 1 is provided with the protective cover 2, the interior of the protective cover 2 is installed with a connecting frame 3, the interior of the protective cover 2 below the connecting frame 3 is provided with an automatic tester 4, the surface of the automatic tester 4 is provided with a display screen 6, the surface of the automatic tester 4 on one side of the display screen 6 is provided with a main circuit knob 7, the surface of the automatic tester 4 on one side of the main circuit knob 7 is provided with an auxiliary circuit knob 8, the side wall of the automatic tester 4 is symmetrically installed with first bolts 5, and the first bolts 5 all extend through the automatic tester 4 to the interior of the connecting frame 3, the top of the support platform 1 on one side of the protective cover 2 is provided with a first support frame 9, a first movable shaft 10 is installed on the outer wall of the protective cover 2 on one side of the first support frame 9, and the first movable shaft 10 is movably connected to the first support frame 9, a second support frame 11 is installed on the end of the top of the support platform 1 away from the first support frame 9, a servo motor 13 is installed inside the second support frame 11, the servo motor 13 plays a role in power output, a driving wheel 14 is installed at the output end of the servo motor 13, and a belt 16 is mounted on the surface of the driving wheel 14, a second movable shaft 12 is installed on the outer wall of the protective cover 2 on one side of the servo motor 13, and the second movable shaft 12 extends to the outside of the second support frame 11, and a driven wheel 15 is mounted on the surface of the second movable shaft 12, and the belt 16 extends to the surface of the driven wheel 15;

[0026] When in use, the automatic tester 4 is connected to the relay protection device by connecting wires, and the automatic tester 4 is turned on by operating the control panel 31. The automatic tester 4 tests the relay protection device by connecting wires. The automatic tester 4 consists of two circuits, a main circuit and an auxiliary circuit. The main circuit is adjusted by the main circuit knob 7, and the auxiliary circuit is adjusted by the auxiliary circuit knob 8. The automatic tester 4 inputs simulated current, voltage and other signals to the relay protection device through the main circuit knob 7 and the auxiliary circuit knob 8, simulates short circuit, overload and other fault conditions in the power system, and displays them on the display screen 6. The action and output signal of the relay protection device are observed, so as to evaluate the performance and setting accuracy of the protection device. The servo motor 13 is turned on by operating the control panel 31, and the servo motor 13 drives The driving wheel 14 rotates, and the driving wheel 14 drives the belt 16 to move, and the belt 16 drives the driven wheel 15 to rotate, and the driven wheel 15 drives the second movable shaft 12 to rotate. Under the support of the first support frame 9 and the movable support of the first movable shaft 10 to the protective cover 2, the second movable shaft 12 and the first movable shaft 10 drive the protective cover 2 to rotate as a whole, and the protective cover 2 drives the automatic tester 4 to rotate as a whole, so as to facilitate the automatic tester 4 to be flipped out. By rotating the first bolt 5, the automatic tester 4 is rotated under the movable support of the automatic tester 4 and the connecting frame 3, so as to facilitate the operation of the staff, realize the convenient flipping out of the automatic test device, facilitate the flipping protection of the automatic test device when not in use, and prevent the automatic test device from being damaged by external collision;

[0027] A support seat 20 is provided at the bottom end of the support platform 1, a connecting shaft 18 is installed at the top of the support seat 20, a sleeve 17 is installed at the bottom end of the support platform 1 above the connecting shaft 18, and the connecting shaft 18 extends to the inside of the sleeve 17, and the connecting shaft 18 is slidably connected to the sleeve 17, a second bolt 19 is provided on the surface of the sleeve 17, and the second bolt 19 extends to the surface of the connecting shaft 18 through the sleeve 17, three groups of legs 21 with equal spacing are provided on the outer wall of the support seat 20, and a third movable shaft 22 is installed at one end of the leg 21 close to the support seat 20, and the leg 21 is movably connected to the support seat 20 through the third movable shaft 22, a support shaft 23 is installed at the bottom end of the support seat 20, a hand strap 24 is provided on the surface of the support shaft 23, and the hand strap 24 is connected to the support seat 20, and the surface of the support shaft 23 on one side of the hand strap 24 is fitted There is a movable sleeve 25, and the movable sleeve 25 is slidably connected with the support shaft 23, a third bolt 26 is arranged on the surface of the movable sleeve 25, and the third bolt 26 extends to the surface of the support shaft 23 through the movable sleeve 25, and three groups of connecting arms 27 with equal intervals are arranged on the outer wall of the movable sleeve 25, and the first linkage shaft 29 is installed at one end of the connecting arm 27 close to the movable sleeve 25, and the connecting arm 27 is movably connected to the movable sleeve 25 through the first linkage shaft 29, the surface of the supporting leg 21 on one side of the connecting arm 27 is sleeved with a connecting sleeve 28, the surface of the connecting sleeve 28 is installed with a second linkage shaft 30, and the connecting arm 27 is movably connected to the connecting sleeve 28 through the second linkage shaft 30, and a control panel 31 is installed on the outer wall of the protective cover 2 on one side of the first movable shaft 10, and the output end of the control panel 31 is electrically connected to the input end of the automatic tester 4 and the servo motor 13;

[0028] When in use, the connecting shaft 18 is operated to enter the interior of the sleeve 17. Under the sliding support of the connecting shaft 18 and the sleeve 17, the sleeve 17 drives the support platform 1 to rotate as a whole on the top of the support seat 20, the support platform 1 drives the protective cover 2 to rotate as a whole, and the protective cover 2 drives the automatic tester 4 to rotate as a whole, so as to facilitate the operation of the staff at different positions. By rotating the second bolt 19, the second bolt 19 fixes the connecting shaft 18 through the sleeve 17, so that the support platform 1 is fixed as a whole on the top of the support seat 20, and the movable sleeve 25 is operated to slide on the surface of the support shaft 23. The movable sleeve 25 drives the connecting arm 27 to rotate through the first linkage shaft 29. Under the movable support of the second linkage shaft 30, the connecting arm 27 drives the supporting leg 21 to rotate through the connecting sleeve 28, and the supporting leg 21 rotates around the third movable shaft 22 as the axis to adjust the three groups of supporting legs 21. The distance between them is used to facilitate the adjustment of the overall height of the support platform 1. When the adjustment is completed, the third bolt 26 is rotated to fix the movable sleeve 25 on the surface of the support shaft 23 by the third bolt 26, and the movable sleeve 25 is fixedly supported by the supporting leg 21 through the connecting arm 27, and the supporting leg 21 supports the supporting seat 20, so as to facilitate the automatic tester 4 to test the relay protection devices of different heights as a whole. When the test is completed, the second bolt 19 and the third bolt 26 are rotated in the opposite direction to change the second bolt 19 and the third bolt 26 from a tightened state to a loosened state, so as to pull the connecting shaft 18 out of the inside of the shaft sleeve 17, so that the staff can store and carry the supporting seat 20 as a whole through the hand strap 24, thereby realizing a convenient height adjustment test of the automatic test device, facilitating the staff to store and carry, and improving the convenience of adjusting the test of the automatic test device.

[0029] Working principle: When in use, the servo motor 13 drives the active wheel 14 to rotate, and the active wheel 14 drives the belt 16 to move, and the belt 16 drives the driven wheel 15 to rotate, and the driven wheel 15 drives the second movable shaft 12 to rotate, and the second movable shaft 12 and the first movable shaft 10 drive the protective cover 2 to rotate as a whole, and the protective cover 2 drives the automatic tester 4 to rotate as a whole, so as to facilitate the automatic tester 4 to flip out, and by rotating the first bolt 5, under the movable support of the automatic tester 4 and the connecting frame 3, the automatic tester 4 is rotated to facilitate the operation of the staff, and then the connecting shaft 18 enters the interior of the sleeve 17 by operating the sleeve 17, and the support platform 1 is driven by the sleeve 17 to rotate at the top of the support seat 20 as a whole, and the support platform 1 drives the protective cover 2 to rotate as a whole, and the protective cover 2 drives the automatic tester 4 to rotate as a whole, so as to facilitate the operation of the staff at different positions, and the second bolt 19 is used to fix the connecting shaft 18 through the sleeve 17 to fix the support platform 1 as a whole at the top of the support seat 20, and through The movable sleeve 25 is operated to slide on the surface of the support shaft 23, and the movable sleeve 25 drives the connecting arm 27 to rotate through the first linkage shaft 29, and the connecting arm 27 drives the supporting leg 21 to rotate through the connecting sleeve 28. The supporting leg 21 rotates around the third movable shaft 22 to adjust the distance between the three groups of supporting legs 21, so as to facilitate the adjustment of the overall height of the support platform 1. When the adjustment is completed, the movable sleeve 25 is fixed to the surface of the support shaft 23 by the third bolt 26, and the movable sleeve 25 fixes and supports the supporting leg 21 through the connecting arm 27, and the supporting seat 20 is supported by the supporting leg 21, so as to facilitate the automatic tester 4 to test the relay protection devices of different heights as a whole. When the test is completed, the second bolt 19 and the third bolt 26 are rotated in the opposite direction to change the second bolt 19 and the third bolt 26 from the tightened state to the loosened state, so as to pull the connecting shaft 18 out of the inside of the sleeve 17, so that the staff can store and carry the supporting seat 20 as a whole through the hand strap 24 to complete the use of the automatic test device.

[0030] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A high-efficiency automatic test device for relay protection, comprising a support platform (1) and a protective cover (2), characterized in that: A protective cover (2) is arranged at the top of the support platform (1), a connecting frame (3) is installed inside the protective cover (2), an automatic tester (4) is arranged inside the protective cover (2) below the connecting frame (3), a display screen (6) is arranged on the surface of the automatic tester (4), a main circuit knob (7) is arranged on the surface of the automatic tester (4) on one side of the display screen (6), an auxiliary circuit knob (8) is arranged on the surface of the automatic tester 4 on one side of the main circuit knob (7), first bolts (5) are symmetrically installed on the side wall of the automatic tester (4), and the first bolts (5) all extend through the automatic tester (4) to the inside of the connecting frame (3), a first support frame (9) is installed at the top of the support platform (1) on one side of the protective cover (2), and the first support frame (9) is arranged on the side wall of the automatic tester (4). A first movable shaft (10) is mounted on the outer wall of the protective cover (2) on the side, and the first movable shaft (10) is movably connected to the first support frame (9); a second support frame (11) is mounted on the top end of the support platform (1) away from the first support frame (9); a servo motor (13) is mounted inside the second support frame (11); a driving wheel (14) is mounted on the output end of the servo motor (13); a belt (16) is sleeved on the surface of the driving wheel (14); a second movable shaft (12) is mounted on the outer wall of the protective cover (2) on one side of the servo motor (13); the second movable shaft (12) extends to the outside of the second support frame (11); a driven wheel (15) is sleeved on the surface of the second movable shaft (12); and the belt (16) extends to the surface of the driven wheel (15).

2. A relay protection high-efficiency automatic testing device according to claim 1, characterized in that: A support seat (20) is provided at the bottom end of the support platform (1), a connecting shaft (18) is installed at the top end of the support seat (20), a shaft sleeve (17) is installed at the bottom end of the support platform (1) above the connecting shaft (18), the connecting shaft (18) extends into the interior of the shaft sleeve (17), and the connecting shaft (18) is slidably connected to the shaft sleeve (17), a second bolt (19) is provided on the surface of the shaft sleeve (17), and the second bolt (19) passes through the shaft sleeve (17) and extends to the surface of the connecting shaft (18).

3. A relay protection high-efficiency automatic test device according to claim 2, characterized in that: Three groups of legs (21) are arranged at equal intervals on the outer wall of the support seat (20); a third movable shaft (22) is installed at one end of the legs (21) close to the support seat (20); and the legs (21) are movably connected to the support seat (20) via the third movable shaft (22).

4. A relay protection high-efficiency automatic test device according to claim 3, characterized in that: A support shaft (23) is installed at the bottom end of the support base (20), a hand strap (24) is provided on the surface of the support shaft (23), and the hand strap (24) is connected to the support base (20).

5. A relay protection high-efficiency automatic test device according to claim 4, characterized in that: A movable sleeve (25) is sleeved on the surface of the support shaft (23) on one side of the hand strap (24), and the movable sleeve (25) is slidably connected to the support shaft (23). A third bolt (26) is arranged on the surface of the movable sleeve (25), and the third bolt (26) passes through the movable sleeve (25) and extends to the surface of the support shaft (23).

6. A relay protection high-efficiency automatic test device according to claim 5, characterized in that: Three groups of connecting arms (27) are arranged at equal intervals on the outer wall of the movable sleeve (25); a first linkage shaft (29) is installed at one end of the connecting arms (27) close to the movable sleeve (25); and the connecting arms (27) are movably connected to the movable sleeve (25) via the first linkage shaft (29).

7. The high-efficiency automatic test device for relay protection according to claim 6 is characterized in that: The surface of the supporting leg (21) on one side of the connecting arm (27) is sleeved with a connecting sleeve (28), the surface of the connecting sleeve (28) is mounted with a second linkage shaft (30), and the connecting arm (27) is movably connected to the connecting sleeve (28) via the second linkage shaft (30).

8. The high-efficiency automatic test device for relay protection according to claim 1 is characterized in that: A control panel (31) is mounted on the outer wall of the protective cover (2) on one side of the first movable shaft (10), and an output end of the control panel (31) is electrically connected to an automatic tester (4) and an input end of a servo motor (13).

Images