A circuit breaker action test bench

Abstract

The utility model discloses a circuit breaker action test board, including support frame, the top fixedly connected with connecting frame of support frame, and the circuit breaker tester is clamped in connecting frame, the circuit breaker tester includes the box body, and the box body is clamped in connecting frame, and the top of box body is connected with the box cover through the hinge, the bottom outer wall of box body and the top outer wall of box cover all are fixedly connected with the connecting block, and one end of connecting block is equipped with the mounting hole, one side fixedly connected with the backboard of connecting frame top, the top fixedly connected with the vertical board of backboard, the one side of vertical board and the one side of connecting frame all are fixedly connected with the support screw, and the support screw is inserted with the mounting hole. The utility model discloses a screwing two support screws and makes its one end insert into the mounting hole to the box body and the box cover are fixed firmly, and then the circuit breaker tester is convenient for circuit breaker tester and test board connection fixed, and the use effect of test board is improved.

Description

Technical Field

[0001] This utility model relates to the field of circuit breaker tester technology, and in particular to a circuit breaker operation test bench. Background Technology

[0002] Currently, a test bench is a structure equipped with a circuit breaker tester, which can test circuit breakers to ensure that the performance of the circuit breakers meets the usage standards.

[0003] Among them, a search revealed Chinese patent CN219417545U, which discloses a circuit breaker operation test bench. In the application of the above-mentioned patent's technical solution, the circuit breaker tester is not easy to connect and fix to the test bench, and the process is time-consuming, resulting in poor performance of the test bench. Therefore, in order to better realize the connection function between the test bench and the tester, promote the technological progress of the industry, and improve the core technology competitiveness, this application proposes a new implementation scheme that is different from the connection structure between the tester and the test bench in the prior art. Utility Model Content

[0004] The purpose of this invention is to solve the problem that existing circuit breaker testers are not convenient to connect and fix to the test bench, and to propose a circuit breaker operation test bench.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A circuit breaker operation test bench includes a support frame. A connecting frame is fixedly connected to the top of the support frame. A circuit breaker tester is snapped into the connecting frame. The circuit breaker tester includes a housing, which is snapped into the connecting frame. A cover is connected to the top of the housing via a hinge. Connecting blocks are fixedly connected to the bottom outer wall of the housing and the top outer wall of the cover. One end of each connecting block has a mounting hole. A back plate is fixedly connected to one side of the top of the connecting frame. A vertical plate is fixedly connected to the top of the back plate. Support screws are threaded onto one side of the vertical plate and one side of the connecting frame. The support screws are inserted into the mounting holes.

[0007] Furthermore, multiple vent pipes are fixedly inserted into the top of the connecting frame.

[0008] Furthermore, a connecting shell is inserted into both the connecting frame and the support frame, and the connecting shell is fixed to the connecting frame and the support frame by bolts.

[0009] Furthermore, multiple cooling fans are embedded on multiple sides of the connecting shell.

[0010] Furthermore, two support blocks are fixedly connected to the bottom inner wall of the connecting shell, and a first magnetic block is adhered to the top of the support blocks.

[0011] Furthermore, two first iron blocks are bonded to the bottom outer wall of the box body, and the first iron blocks are attracted to the first magnetic block. Two second iron blocks are bonded to the top outer wall of the box lid.

[0012] Furthermore, a second magnetic block is adhered to the top of the rear plate, and the second magnetic block is attracted to the second iron block.

[0013] Furthermore, a rubber frame is adhered to the inner wall of the connecting frame, and multiple dustproof nets are snapped onto the top of the connecting frame, with the dustproof nets located at the top of the vent pipe.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. By tightening the two support screws and inserting one end into the mounting hole, the enclosure and cover are securely fixed, which facilitates the connection and fixation of the circuit breaker tester to the test bench and improves the performance of the test bench.

[0016] 2. Heat is drawn into the connecting housing through the vent pipe by the cooling fan, and finally discharged from the connecting housing through the cooling fan for heat dissipation, which is convenient and quick. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the left side of a circuit breaker operation test bench proposed in this utility model;

[0018] Figure 2 A top-view structural diagram of the circuit breaker tester in the open state of a circuit breaker operation test bench proposed in this utility model.

[0019] Figure 3 This is a schematic diagram of the circuit breaker tester in the uninstalled state of a circuit breaker operation test bench proposed in this utility model.

[0020] Figure 4 This is a partial cross-sectional front view of the circuit breaker operation test bench proposed in this utility model.

[0021] Figure 5 This is a three-dimensional structural diagram of the right side of a circuit breaker operation test bench proposed in this utility model.

[0022] In the diagram: 1. Support frame; 2. Connecting frame; 3. Circuit breaker tester; 301. Box body; 302. Box cover; 303. Control unit; 4. Connecting block; 5. Mounting hole; 6. Rear plate; 7. Vertical plate; 8. Support screw; 9. Vent pipe; 10. Connecting shell; 11. Cooling fan; 12. Support block; 13. First magnetic block; 14. First iron block; 15. Second iron block; 16. Second magnetic block; 17. Rubber frame; 18. Dustproof net. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Reference Figures 1-5 A circuit breaker operation test bench includes a support frame 1. A connecting frame 2 is bolted to the top of the support frame 1. A circuit breaker tester 3 is snapped into the connecting frame 2. The circuit breaker tester 3 is an existing product, and the model of the circuit breaker tester 3 can be selected as GKC-H. The circuit breaker tester 3 includes a housing 301, which is snapped into the connecting frame 2. A cover 302 is connected to the top of the housing 301 by a hinge. A control unit 303 is bolted to the bottom inner wall of the housing 301. The control unit 303 includes a power system, a sensor interface, and a data processing module. The control unit 303 is used to test the circuit breaker's opening time, closing bounce, and stroke characteristic curve, and is used for the acquisition and control of test parameters.

[0025] The control unit 303 is equipped with an aviation plug interface, which receives circuit breaker displacement sensor signals via RS485 bus. The test results are displayed in real time on the LCD screen and can be exported via USB. This application does not improve its structure and principle, so its test principle will not be described in detail.

[0026] What needs to be protected in this application is that the bottom outer wall of the box body 301 and the top outer wall of the box cover 302 are both fixed with connecting blocks 4 by bolts, and one end of the connecting block 4 is provided with a mounting hole 5;

[0027] A back plate 6 is welded to one side of the top of the connecting frame 2, and a vertical plate 7 is welded to the top of the back plate 6. Support screws 8 are threaded to one side of the vertical plate 7 and one side of the connecting frame 2. The support screws 8 are threaded to the mounting holes 5. By turning the two support screws 8, one end of them is inserted into the mounting holes 5, thereby firmly fixing the box body 301 and the box cover 302.

[0028] Multiple vent pipes 9 are fixedly inserted into the top of the connecting frame 2. A connecting shell 10 is inserted into both the connecting frame 2 and the support frame 1. The connecting shell 10 is fixed to the connecting frame 2 and the support frame 1 by bolts. Multiple cooling fans 11 are embedded on multiple sides of the connecting shell 10. Under the action of the cooling fans 11, heat is drawn into the connecting shell 10 through the vent pipes 9. Finally, the heat is discharged from the connecting shell 10 through the cooling fans 11 to dissipate heat.

[0029] The cooling fan 11 is symmetrically arranged on the four sides of the connecting shell 10 to form a balanced negative pressure zone, guiding hot air from the ventilation pipe 9 to the fan.

[0030] Multiple dustproof nets 18 are snapped onto the top of the connecting frame 2. The dustproof nets 18 are made of PP material with a hole diameter of 0.5-3mm. They are detachable for easy regular disassembly and cleaning. The dustproof nets 18 are located at the top of the vent pipe 9 to prevent dust from entering the vent pipe 9.

[0031] Two support blocks 12 are fixed to the bottom inner wall of the connecting shell 10 by bolts. A first magnetic block 13 is glued to the top of the support block 12. Two first iron blocks 14 are glued to the bottom outer wall of the box body 301. The first iron blocks 14 and the first magnetic blocks 13 attract each other, thereby pre-fixing the box body 301.

[0032] Two second iron blocks 15 are glued to the top outer wall of the box cover 302, and a second magnetic block 16 is glued to the top of the back plate 6. The second magnetic block 16 attracts the second iron block 15, thereby pre-fixing the box cover 302.

[0033] The first magnetic block 13 and the second magnetic block 16 are N35 grade neodymium iron boron magnets, and the first iron block 14 and the second iron block 15 are low carbon steel plates;

[0034] A rubber frame 17 is bonded to the inner wall of the connecting frame 2. The rubber frame 17 is made of foamed silicone. After the box body 301 is inserted, the rubber frame 17 is compressed to generate sealing pressure, blocking external dust, thereby sealing the box body 301 and the connecting frame 2.

[0035] The working principle of this embodiment is as follows: In use, firstly, the box body 301 is clipped into the connecting frame 2, and at the same time, the first iron block 14 and the first magnetic block 13 are attracted to pre-fix the box body 301. Then, the box cover 302 is opened so that the second iron block 15 and the second magnetic block 16 are attracted to pre-fix the box cover 302. Then, the two support screws 8 are turned so that one end is inserted into the mounting hole 5, thereby firmly fixing the box body 301 and the box cover 302, and completing the installation.

[0036] Then, the circuit breaker is connected to the control unit 303 by wires. Next, the control unit 303 tests the circuit breaker's opening time, closing bounce, and travel characteristic curve. During the test, the heat is dissipated around the enclosure 301. The cooling fan 11 is started, and the heat is drawn into the connecting shell 10 through the vent pipe 9 under the action of the cooling fan 11. Finally, the heat is discharged from the connecting shell 10 through the cooling fan 11 for heat dissipation.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A circuit breaker operation test bench, comprising a support frame (1), wherein a connecting frame (2) is fixedly connected to the top of the support frame (1), a circuit breaker tester (3) is snapped into the connecting frame (2), the circuit breaker tester (3) comprises a housing (301), the housing (301) is snapped into the connecting frame (2), and a housing cover (302) is connected to the top of the housing (301) by a hinge, characterized in that, The bottom outer wall of the box body (301) and the top outer wall of the box cover (302) are both fixedly connected to a connecting block (4). One end of the connecting block (4) is provided with a mounting hole (5). A back plate (6) is fixedly connected to one side of the top of the connecting frame (2). A vertical plate (7) is fixedly connected to the top of the back plate (6). A support screw (8) is threadedly connected to one side of the vertical plate (7) and one side of the connecting frame (2). The support screw (8) is inserted into the mounting hole (5).

2. The circuit breaker operation test bench according to claim 1, characterized in that, Multiple vent pipes (9) are fixedly inserted into the top of the connecting frame (2).

3. The circuit breaker operation test bench according to claim 1, characterized in that, A connecting shell (10) is inserted into both the connecting frame (2) and the support frame (1), and the connecting shell (10) is fixed to the connecting frame (2) and the support frame (1) by bolts.

4. A circuit breaker operation test bench according to claim 3, characterized in that, Multiple cooling fans (11) are embedded on multiple sides of the connecting shell (10).

5. A circuit breaker operation test bench according to claim 3, characterized in that, The bottom inner wall of the connecting shell (10) is fixedly connected to two support blocks (12), and the top of the support block (12) is attached to a first magnetic block (13).

6. A circuit breaker operation test bench according to claim 1, characterized in that, Two first iron blocks (14) are glued to the bottom outer wall of the box body (301), and the first iron blocks (14) are attracted to the first magnetic block (13). Two second iron blocks (15) are glued to the top outer wall of the box cover (302).

7. A circuit breaker operation test bench according to claim 1, characterized in that, The top of the rear plate (6) is bonded with a second magnetic block (16), which attracts the second iron block (15).

8. A circuit breaker operation test bench according to claim 1, characterized in that, The inner wall of the connecting frame (2) is bonded with a rubber frame (17), and the top of the connecting frame (2) is fitted with multiple dustproof nets (18), which are located at the top of the ventilation pipe (9).

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