CN221326702U - Detection device of circuit breaker - Google Patents

Abstract

The utility model provides a detection device of a circuit breaker, which comprises a fixed seat, a wiring piece and a test circuit, wherein a test position is arranged on the fixed seat; the wiring piece is positioned above the test position, and the wiring piece can be close to or far away from the test position; the wiring piece comprises a moving part, an input conductive column and an output conductive column, wherein the input conductive column and the output conductive column are respectively fixed on the moving part and protrude out of the moving part; the test circuit comprises a resistor and is electrically connected with the output conductive column. According to the detection device of the circuit breaker, the input conductive column is connected with the positive electrode of a power supply, and the test circuit is connected with the negative electrode of the power supply; when the wiring piece is close to the test position, the input conductive column is conducted with the input end of the circuit breaker, the output conductive column is conducted with the output end of the circuit breaker, whether the circuit breaker is normal or not can be detected, complicated wiring work is not needed, and the detection effect is improved.

Description

Detection device of circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a detection device of a circuit breaker.

Background

The circuit breaker is installed in the water heater power supply end and uses, and when the circuit breaker detects that 4-5 mA's leakage current has occurred in the service environment of water heater, the circuit breaker can automatic jump break the commercial power in order to play the effect of guaranteeing personal safety.

In mass production of circuit breakers at the factory end, whether the circuit breaker is normal or not needs to be detected through a circuit externally connected with a switch and a resistor. And whether the circuit breaker is tripped is confirmed by simulating a leakage scene, if the circuit breaker is tripped, the circuit breaker lights a red light to be a qualified product, otherwise, the circuit breaker is a defective product. The design requirements of a general breaker are as follows: the leakage current value is less than 4.3mA, the product does not jump, and the leakage current value 4.3-5.1 mA must jump. The existing detection mode needs to be used for wiring the circuit breaker during operation, and the efficiency is low.

Disclosure of utility model

In order to solve the problems, the utility model aims to provide a detection device of a circuit breaker, which is simple to operate and high in detection efficiency.

In order to achieve the above object, the present utility model provides a detection apparatus of a circuit breaker, comprising:

The test device comprises a fixed seat, a test position and a test device, wherein the fixed seat is provided with the test position;

The wiring piece is positioned above the test position and can be close to or far away from the test position; the wiring piece comprises a moving part, an input conductive column and an output conductive column, wherein the input conductive column and the output conductive column are respectively fixed on the moving part and protrude out of the moving part;

And the test circuit comprises a resistor and is electrically connected with the output conductive column.

According to another embodiment of the utility model, the test circuit comprises a fixed resistor, an adjustable resistor and a switch, the fixed resistor, the adjustable resistor and the switch being connected in series.

According to another embodiment of the utility model, the test circuit is provided with at least two.

According to another embodiment of the present utility model, nine test circuits are provided, and each test circuit is electrically connected to an output conductive post.

According to another embodiment of the present utility model, the moving part is a protective cover, and the conductive post is connected to the inside of the protective cover.

According to another embodiment of the present utility model, the apparatus further includes a pushing member for pushing the moving part to move.

According to another specific embodiment of the utility model, the pushing piece comprises a handle, a connecting rod, a push rod and a fixing frame, wherein the fixing frame is fixed on the fixing seat, a guide hole is formed in the fixing frame, one end of the push rod passes through the guide hole to be connected with the moving part, and the other end of the push rod is hinged to the connecting rod; one end of the connecting rod, which is far away from the push rod, is hinged to the middle part of the handle, and one end of the handle is hinged to the fixing frame.

According to another embodiment of the present utility model, the device further comprises a guide rail, the guide rail is disposed on the fixing base, and the moving part moves on the guide rail.

The present utility model will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic perspective view of a detection device of a circuit breaker.

Reference numerals:

100. a fixing seat; 110. a test site;

200. A wiring member; 210. a moving part; 220. inputting a conductive column; 230. outputting a conductive column;

300. A resistor;

400. A pushing member; 410. a handle; 420. a connecting rod; 430. a push rod; 440 fixing frame;

500. a circuit breaker.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

In the prior art, before the output of the circuit breaker 500, whether the circuit breaker 500 is normal needs to be detected by a circuit externally connected with a switch and a resistor, and in the detection process, wires need to be connected to the output end and the output end of the circuit breaker 500, so that the operation is complex.

The embodiment provides a detection device of a circuit breaker, as shown in fig. 1, the detection device comprises a fixing seat 100, a wiring piece 200 and a test circuit, wherein a test position 110 is arranged on the fixing seat 100; the wiring member 200 is located above the test site 110, and the wiring member 200 can be close to or far from the test site 110; the wire connector 200 includes a moving portion 210, an input conductive post 220 and an output conductive post 230, wherein the input conductive post 220 and the output conductive post 230 are respectively fixed on the moving portion 210 and protrude from the moving portion 210; the test circuit includes a resistor 300, and is electrically connected to the output conductive stud 230.

The input conductive post 220 is connected with the positive electrode of the power supply, and the test circuit is connected with the negative electrode of the power supply; when the wiring member 200 approaches to the test site 110, the input conductive column 220 is conducted with the input end of the circuit breaker 500, and the output conductive column 230 is conducted with the output end of the circuit breaker 500, so that whether the circuit breaker 500 is normal can be detected, cumbersome wiring work is not required, and the detection effect is improved.

In one embodiment, the test circuit comprises a fixed resistor 300, an adjustable resistor 300 and a switch, wherein the fixed resistor 300, the adjustable resistor 300 and the switch are connected in series; the daily leakage scene can be simulated through the test circuit so as to detect whether the circuit breaker 500 can work normally or not; by adjusting the adjustable resistor 300 to adjust the current to an appropriate current value to adapt the operation of the circuit breaker 500, the fixed resistor 300 can avoid the occurrence of open circuit due to the low value of the resistor 300 of the test circuit. The adjustable resistor 300 is an electronic component capable of adjusting the value of the resistor 300, and the value of the resistor 300 is changed by moving an electric contact.

In one embodiment, the test circuits are provided with at least two and a plurality of test circuits, so that different leakage scenes can be simulated; the test circuits are tuned to different resistor 300 values so that the currents of the different test circuits are different and the different leakage scenarios have different leakage values to test whether the circuit breaker 500 can operate normally under the different leakage scenarios.

In one embodiment, there are nine test circuits, each of which is electrically connected to the output conductive post 230, that is, the nine test circuits are connected in parallel, and one end of each test circuit is connected to the negative electrode of the power supply, and the other end is connected to the output conductive post 230. In use, nine test circuits may be respectively adjusted to appropriate resistance 300 values to test whether circuit breaker 500 is operating properly in different leakage scenarios. For example, the adjustable resistors 300 of the nine test circuits are each adjusted to the appropriate resistor 300 value such that the nine test circuits have currents of 4.3mA, 4.4mA, 4.5mA, 4.6mA, 4.7mA, 4.8mA, 4.9mA, 5.0mA, and 5.1mA, respectively, where mA is milliamp. During testing, the switch of the corresponding testing circuit is turned on, so that whether the circuit breaker 500 is jumped off and lights up a red light under the leakage current value corresponding to the test circuit breaker can be tested, and the leakage current value is recorded.

Specifically, fixing base 100 is the box, articulates on the box has the case lid, and fixed resistance 300 and adjustable resistance 300 set up in the inside of box, avoid exposing.

In one embodiment, the moving part 210 is a protective cover, the conductive column is connected to the inside of the protective cover, and the protective cover plays a role in protecting the operator from damage if the breaker 500 is ignited or other safety accidents occur during the testing process.

The embodiment of the present utility model further includes a pushing member 400, where the pushing member 400 is configured to push the moving portion 210 to move.

In one embodiment, the pushing member 400 includes a handle 410, a connecting rod 420, a push rod 430 and a fixing frame 440, the fixing frame 440 is fixed on the fixing base 100, a guiding hole is provided on the fixing frame 440, one end of the push rod 430 is connected with the moving part 210 through the guiding hole, and the other end is hinged with the connecting rod 420; one end of the connecting rod 420, which is far away from the push rod 430, is hinged to the middle of the handle 410, and one end of the handle 410 is hinged to the fixing frame 440. Pulling handle 410, push rod 430 is operable to move such that moving portion 210 approaches or moves away from test site 110; of course, in other embodiments, the pusher 400 may be an electric push rod 430.

The embodiment of the present utility model further includes a guide rail, the guide rail is disposed on the fixing base 100, and the moving part 210 moves on the guide rail; the guide rail plays a guiding role.

While the utility model has been described in terms of preferred embodiments, it is not intended to limit the scope of the utility model. It is intended that all modifications within the scope of the utility model, i.e., all equivalents thereof, be embraced by the utility model as they come within their scope without departing from the utility model.

Claims (7)

1. A detection device for a circuit breaker, comprising:

The test device comprises a fixed seat, a test position and a test device, wherein the fixed seat is provided with the test position;

The wiring piece is positioned above the test position and can be close to or far away from the test position; the wiring piece comprises a moving part, an input conductive column and an output conductive column, wherein the input conductive column and the output conductive column are respectively fixed on the moving part and protrude out of the moving part;

The test circuit comprises a resistor and is electrically connected with the output conductive column;

The test circuit comprises a fixed resistor, an adjustable resistor and a switch, wherein the fixed resistor, the adjustable resistor and the switch are connected in series;

The fixing seat is a box body, a box cover is hinged to the box body, and the fixed resistor and the adjustable resistor are arranged in the box body.

2. The detection device of a circuit breaker according to claim 1, characterized in that the test circuit is provided with at least two.

3. The circuit breaker testing device of claim 1, wherein nine test circuits are provided, each test circuit being electrically connected to an output conductive post.

4. A detection device of a circuit breaker according to any one of claims 1 to 3, characterized in that the moving part is a protective cover, and the conductive post is connected to the inside of the protective cover.

5. A detection device of a circuit breaker according to any one of claims 1 to 3, further comprising a pushing member for pushing the moving part to move.

6. The detecting device for circuit breaker as claimed in claim 5, wherein the pushing member includes a handle, a connecting rod, a push rod and a fixing frame, the fixing frame is fixed on the fixing frame, a guide hole is provided on the fixing frame, one end of the push rod is connected with the moving part through the guide hole, and the other end is hinged with the connecting rod; one end of the connecting rod, which is far away from the push rod, is hinged to the middle part of the handle, and one end of the handle is hinged to the fixing frame.

7. A detection device of a circuit breaker according to any one of claims 1 to 3, further comprising a guide rail provided on the fixed base, the moving part moving on the guide rail.