CN218470921U

CN218470921U - Switch life detection device

Info

Publication number: CN218470921U
Application number: CN202222433391.9U
Authority: CN
Inventors: 张旭东
Original assignee: Sichen Luoyang Electric Technology Co ltd
Current assignee: Sichen Luoyang Electric Technology Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-02-10
Anticipated expiration: 2032-09-13

Abstract

The utility model relates to an electrical detection's technical field, specifically a switch life detection device, the on-off device comprises a base, the setting element is installed to the base up end, the terminal is installed to the setting element upper end, the setting element is close to the both ends of await measuring switch wiring end and equally divide and do not is provided with three terminal at least, the terminal electricity that is located the await measuring switch output is connected with rheostat, the terminal electricity that is located the await measuring switch input is connected with the power supply, the rail is dialled in the installation of base up end, it is located directly over the setting element to dial the rail, dial the rail and can install with sliding and dial the piece, dial rail fixedly connected with driving piece, dial the piece and install in the driving piece output, rheostat and driving piece pass through control module control, the electricity is connected with the ampere meter between rheostat and the terminal, the ampere meter electricity is connected in control module. This application carries out the life-span detection through simulation switch operating mode that awaits measuring under the switch that awaits measuring is in the condition that is close operating condition relatively, makes the test result more be close to the effect of user state.

Description

Switch life detection device

Technical Field

The application relates to the technical field of electrical detection, in particular to a switch service life detection device.

Background

The air switch is a protection device of a commonly used circuit, when the life surface of the air switch is detected, the service life of the mechanical part of the switch is usually only detected, the service life of the air switch cannot be effectively detected by combining the use mode of the air switch, and the detection result is single.

Disclosure of Invention

To the not enough that prior art exists, the purpose of this application provides one kind and can more effectively detect air switch life's a switch life detection device.

The above application purpose of the present application is achieved by the following technical solutions:

a switch life detection device comprising:

a base;

the positioning piece is C-shaped with an upward opening and used for clamping and fixing the position of the switch to be tested, and the positioning piece is arranged on the upper end surface of the base;

the wiring terminals are arranged at the upper end of the positioning piece, and at least three wiring terminals are respectively arranged at two ends of the positioning piece close to the wiring end of the switch to be tested;

the rheostat is electrically connected with the binding post positioned at the output end of the switch to be tested;

the power supply source is electrically connected with the wiring terminal at the input end of the switch to be tested;

the poking rail is arranged on the upper end surface of the base and is positioned right above the positioning piece;

a toggle piece slidably mounted to the toggle rail;

the driving piece is fixedly connected to the shifting rail, and the shifting piece is installed at the output end of the driving piece;

the driving piece and the rheostat are controlled by the control module;

and an ammeter is electrically connected between the rheostat and the binding post and is electrically connected with the control module.

Optionally, a fuse is electrically connected between the varistor and the terminal.

Optionally, a time delay relay is electrically connected between the varistor and the binding post, and the driving member is electrically connected to a normally closed end of the time delay relay.

Optionally, one end of the shifting piece, which is close to the positioning piece, is a downward hook portion, the shifting rail is connected with a sliding piece in a sliding manner, the shifting piece is rotatably connected to the sliding piece, and the sliding piece is fixedly connected to the output end of the driving piece.

Optionally, a spring is fixedly connected to the upper side of the hook portion of the shifting member, and one end, far away from the positioning member, of the spring is fixedly connected to the sliding member.

Optionally, the positioning member may be slidably mounted to the base.

Optionally, a movable plate is slidably mounted in the positioning element, a screw rod is rotatably connected to one side of the movable plate, and the screw rod penetrates through one side plate of the positioning element and is in threaded connection with the side plate.

Optionally, the dial rail is slidably mounted to the base.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the service life detection is carried out under the condition that the switch to be tested is relatively close to the working state by simulating the working mode of the switch to be tested, so that the test result is closer to the use state;

2. the fuse provides guarantee for the circuit, and when the switch to be tested reaches the service life or cannot be disconnected in time due to other problems, the fuse is fused in time to protect other circuit elements;

3. the hook part of the shifting piece is arranged to pull the switch to be tested more easily, so that the switch is closed, the hook part of the shifting piece is pushed to press the switch of the switch to be tested through the spring, and the possibility that the hook part is separated in the pulling process is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall structure from another perspective in the embodiment of the present application;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

Reference numerals: 1. a base;

2. a positioning member; 21. a spring; 22. a movable plate; 23. a screw;

31. a binding post; 32. a varistor; 321. a fuse; 33. a power supply source; 34. rail shifting; 341. a slider; 342. a first plate; 343. a second plate; 344. a set screw; 35. pulling a piece; 36. a drive member; 37. a control module; 38. an ammeter; 381. a time delay relay.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

In order to more clearly understand the technical solution shown in the embodiments of the present application, first, the operation principle of the existing switch life detection device is described.

The existing air switch service life detection device mostly makes the air switch be switched on and off through the reciprocating motion or the arrangement of two opposite moving shifting block mechanisms.

From the perspective of the user, when the life of the air switch is detected, the service life of the mechanical part of the switch is usually only detected, the service life of the switch cannot be detected by effectively combining the use mode of the air switch, and the detection result is single.

Please refer to fig. 1-3, a switch life detection apparatus disclosed for the embodiment of the present application, includes a base 1, a positioning element 2 is installed on an upper end surface of the base 1, the positioning element 2 is C-shaped with an upward opening for clamping and fixing a position of a switch to be tested, a terminal 31 is installed on an upper end of the positioning element 2, two ends of the positioning element 2 close to a terminal of the switch to be tested are respectively provided with at least three terminals 31, the terminal 31 located at an output end of the switch to be tested is electrically connected with a rheostat 32, the terminal 31 located at an input end of the switch to be tested is electrically connected with a power supply 33, a poking rail 34 is installed on an upper end surface of the base 1, the poking rail 34 is located right above the positioning element 2, the poking rail 34 can be slidably installed with a poking element 35, the poking rail 34 is fixedly connected with a driving element 36, the poking element 35 is installed on an output end of the driving element 36, the rheostat 32 and the driving element 36 are controlled by a control module 37, an ammeter 38 is electrically connected between the rheostat 32 and the terminal 31, and the ammeter 38 is electrically connected with the control module 37.

Specifically, the power supply 33 turns on the switch to be tested through the terminal 31, turns on the varistor 32 through the switch to be tested, changes the resistance through the varistor 32, increases the circuit current, makes the switch to be tested overload-off, and drives the poking member 35 to be tested to be poked back to the closed state through the driving member 36 to perform the next test.

Therefore, the service life of the switch to be tested is detected under the condition that the switch to be tested is relatively close to the working state by simulating the working mode of the switch to be tested, so that the test result is closer to the using state.

In some feasible modes, base 1 is rectangular plate, setting element 2 is for being the ascending C type of opening, the switch joint that awaits measuring is in the opening on C type setting element 2, terminal 31 is cylindricly, power supply 33 or rheostat 32 are connected to the one end that setting element 2 was kept away from to terminal 31, the directional setting element 2 opening part of terminal 31 other end is located the switch card terminal department that awaits measuring, for adjusting conveniently, terminal 31 below fixedly connected with T-shaped piece, the T-slot has been seted up to corresponding position on setting element 2, the T-shaped piece can slide in the T-slot. Dial rail 34 and include two parallel arrangement's cylinder pole, dial rail 34 both ends and pass through rectangular plate support connection on base 1, fixedly connected with driving piece 36 on the rectangular plate of one end wherein, the piece 35 is dialled to the 36 output of driving piece. The drive member 36 is an electric push rod. The rheostat 32 comprises a slide rheostat, an electric push rod is mounted on a slide block of the slide rheostat and electrically connected to a control module 37, the control module 37 is a single chip microcomputer or a PLC program control module, and the control module 37 drives the driving part 36 and the electric push rod of the rheostat 32 through a current signal fed back by an ammeter 38.

Further description is provided below with respect to specific usage scenarios.

When the device is used, a switch to be tested is clamped on the positioning piece 2 and connected with the corresponding binding post 31, the driving piece 36 drives the shifting piece 35 switch to be tested to be shifted to a closed state, a circuit is connected, the ammeter 38 feeds back a current signal to the control module 37, the control module 37 controls the rheostat 32 to change resistance, so that the current is changed to overload the switch to be tested, the switch to be tested is disconnected, the ammeter 38 feeds back a current signal to be disconnected, the control module 37 controls the driving piece 36 to drive the shifting piece 35 switch to be tested to be shifted to the closed state, and the service life of the switch is tested in a circulating mode in sequence. Through simulating the working mode of the switch to be tested, the service life of the switch to be tested is detected under the condition that the switch to be tested is relatively close to the working state, so that the test result is closer to the using state.

As an embodiment of the switch life detection device provided by the application, a fuse 321 is electrically connected between the varistor 32 and the terminal 31.

On the whole, the fuse 321 provides a guarantee for the circuit, and when the switch to be tested reaches the service life or cannot be disconnected in time due to other problems, the fuse 321 is fused in time to protect other circuit elements.

As another specific embodiment of the switch life detection device provided by the application, a delay relay 381 is electrically connected between the varistor 32 and the terminal 31, and the driving member 36 is electrically connected to a normally closed end of the delay relay 381.

By combining a specific use scene, the driving piece 36 is enabled to be in a closed state after the circuit is disconnected for a certain time through the delay relay 381, so that the short-time multiple on-off of elements in the switch to be tested is reduced, and meanwhile, the test is also in a close use state.

As another specific embodiment of the application for providing a switch life detection apparatus, one end of the dial 35 close to the positioning element 2 is a downward hook, the dial rail 34 is slidably connected with a sliding element 341, the dial 35 is rotatably connected to the sliding element 341, and the sliding element 341 is fixedly connected to the output end of the driving element 36.

It will be appreciated that the switch to be tested is more easily pulled by the hook portion to close the switch.

Further, a spring 21 is fixedly connected to the upper side of the hook portion of the dial 35, and one end of the spring 21 away from the positioning member 2 is fixedly connected to the sliding member 341.

It should be understood that the hook portion of the dial 35 is pushed by the spring 21 to press on the switch of the switch to be tested, so that the possibility of the hook portion being disengaged during the pulling process is reduced.

In a certain feasible manner, the toggle element 35 is a rectangular sheet, the sliding element 341 is a rectangular block, the toggle rail 34 penetrates through the sliding element 341, the sliding element 341 slides on the toggle rail 34, the lower part of the sliding element 341 is rotatably connected to the positioning element 2 through the rotating shaft, one end of the positioning element 2 away from the sliding element 341 is provided as a hook portion, the upper side of the hook portion of the toggle element 35 is fixedly connected with the spring 21, and one end of the spring 21 away from the positioning element 2 is fixedly connected to the sliding element 341.

As an embodiment of the switch life detection device provided by the application, the positioning member 2 is slidably mounted on the base 1.

It will be appreciated that the slidable positioning member 2 makes it easier to align the dial 35 with the switch of the switch to be tested.

Further, a movable plate 22 is slidably installed in the positioning member 2, a screw 23 is rotatably connected to one side of the movable plate 22, and the screw 23 penetrates through one of the side plates of the positioning member 2 and is in threaded connection.

It should be understood that by slidably moving the plate 22 and the screw 23, the positioning member 2 can clamp more sizes of switches to be tested.

Further, the dial rail 34 is slidably mounted to the base 1.

It should be understood that by slidably moving the rails 34, the rails 34 are moved up and down to accommodate more sizes of switches to be tested.

In certain feasible mode, the downside fixedly connected with movable block of setting element 2, the rectangular channel has been seted up along dialling the 34 extending direction of rail on the base 1, the movable block can install in the rectangular channel with sliding, rotationally installs the threaded rod in the rectangular channel, the threaded rod runs through the movable block with it threaded connection. The two ends of the shifting rail 34 are supported and connected on the base 1 through rectangular plates, each rectangular plate comprises a first plate 342 and a second plate 343, the first plate 342 is a hollow rectangular plate, the first plate 342 is fixedly connected on the base 1, the second plate 343 is a rectangular plate, the second plate 343 can be embedded in the first plate 342 in a sliding manner, the second plate 343 is fixedly connected with the shifting rail 34, the first plate 342 is close to the upper end position and is in threaded connection with a positioning screw 344, and the positioning screw 344 penetrates through the first plate 342 and abuts against the position of the second plate 343, which is fixed by the second plate 343.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A switch life detection device, comprising:

a base (1);

the positioning piece (2) is of a C shape with an upward opening and used for clamping and fixing the position of a switch to be tested, and the positioning piece (2) is installed on the upper end face of the base (1);

the wiring terminal (31) is arranged at the upper end of the positioning piece (2), and at least three wiring terminals (31) are respectively arranged at two ends of the positioning piece (2) close to the wiring terminal of the switch to be tested;

the rheostat (32), the rheostat (32) is electrically connected to the binding post (31) positioned at the output end of the switch to be tested;

the power supply source (33), the power supply source (33) is electrically connected to the binding post (31) at the input end of the switch to be tested;

the poking rail (34) is arranged on the upper end surface of the base (1), and the poking rail (34) is positioned right above the positioning piece (2);

a dial (35), the dial (35) being slidably mounted to the dial rail (34);

the driving piece (36), the driving piece (36) is fixedly connected to the shifting rail (34), and the shifting piece (35) is installed at the output end of the driving piece (36);

a control module (37), wherein the driving piece (36) and the rheostat (32) are controlled by the control module (37);

an ammeter (38), wherein an ammeter (38) is electrically connected between the rheostat (32) and the binding post (31), and the ammeter (38) is electrically connected to the control module (37).

2. A switch life detection device according to claim 1, characterized in that: a fuse (321) is electrically connected between the rheostat (32) and the binding post (31).

3. A switch life detection device according to claim 1, characterized in that: a time delay relay (381) is electrically connected between the rheostat (32) and the binding post (31), and the driving piece (36) is electrically connected to a normally closed end of the time delay relay (381).

4. A switch life detection device according to claim 1, characterized in that: one end of the shifting piece (35) close to the positioning piece (2) is a downward hook portion, the shifting rail (34) can be connected with a sliding piece (341) in a sliding manner, the shifting piece (35) can be rotatably connected with the sliding piece (341), and the sliding piece (341) is fixedly connected with the output end of the driving piece (36).

5. The switch life detection device according to claim 4, wherein: a spring (21) is fixedly connected to the upper side of the hook part of the shifting piece (35), and one end, far away from the positioning piece (2), of the spring (21) is fixedly connected to the sliding piece (341).

6. A switch life detection device according to claim 1, characterized in that: the positioning piece (2) can be installed on the base (1) in a sliding mode.

7. The switch life detection device of claim 6, wherein: a movable plate (22) is slidably mounted in the positioning piece (2), a screw rod (23) is rotatably connected to one side of the movable plate (22), and the screw rod (23) penetrates through one side plate of the positioning piece (2) and is in threaded connection.

8. The switch life detection device according to claim 7, wherein: the poke rail (34) is slidably mounted on the base (1).