CN216816880U

CN216816880U - Current detection device for circuit breaker

Info

Publication number: CN216816880U
Application number: CN202122931506.2U
Authority: CN
Inventors: 贾兴男; 李耀甲; 于关耸; 任禹泽; 杨光; 胡斌
Original assignee: Jilin Jida Electric Power Design Co ltd
Current assignee: Jilin Jida Electric Power Design Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-06-24
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a current detection device for a circuit breaker, which comprises: the main body module comprises an outer shell, a rubber sleeve sleeved on the outer side face of the outer shell, a support rotatably arranged at the top end of the outer shell and a display screen arranged on the outer side face of the outer shell, the outer shell is in a circular column shape, the rubber sleeve is sleeved on the outer side face of the outer shell to play an insulating role, meanwhile, the holding of detection personnel is facilitated, the diameter of the support is equal to that of the outer shell, the top end of the inner wall of the outer shell is provided with an annular groove, the bottom end of the inner wall of the support is provided with L-shaped pieces which extend out of the support and are arranged in an annular array, the L-shaped pieces are embedded in the annular groove, so that the support is kept fixed on the outer shell while rotating, the outer side surface of the support is provided with a hanging rod for fixing the device on a pocket, which is convenient for a detection person to carry, the current detection device for the circuit breaker has the advantages of high portability, high detection precision and high practicability.

Description

Current detection device for circuit breaker

Technical Field

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

Background

The circuit breaker refers to a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the division of the high-voltage and low-voltage boundary lines is fuzzy, the circuit breakers above 3kV are generally called high-voltage electrical appliances, and the circuit breakers can be used for distributing electric energy, starting asynchronous motors infrequently and protecting power supply lines, motors and the like.

The current detection equipment of the existing circuit breaker mainly has the following defects: the device is huge and inconvenient to carry, when the current is detected, the current is manually determined according to a pointer on an ammeter, and the accuracy is low.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the utility model is as follows: a current detection device for a circuit breaker, comprising: main part module and detection module, detection module including the activity set up at the inner casing of main part module inner chamber, install including the resistance on the interior casing diapire, install the measuring pole in interior casing bottom, install the current sensor in the resistance top, install the treater in the current sensor top, install the speaker in the treater top and fix the cylinder on interior casing top.

The present invention in a preferred example may be further configured to: the main part module includes the shell body, cup joints the rubber sleeve on the shell body lateral surface, rotates the support that sets up on shell body top and installs the display screen on the shell body lateral surface.

Through adopting above-mentioned technical scheme, the shell body is used for installing detection module. The rubber sleeve plays insulating effect, makes things convenient for personnel to hold simultaneously, and the support is used for driving stretching out and retracting of detection module, and the display screen is used for showing the numerical value of electric current.

The present invention in a preferred example may be further configured to: the top end of the inner wall of the outer shell is provided with an annular groove, the bottom end of the inner wall of the support is provided with an L-shaped piece which extends out of the support and is arranged in an annular array, and the L-shaped piece is embedded in the annular groove.

By adopting the technical scheme, the L-shaped piece is embedded in the annular groove to rotate, so that the support is kept fixed on the outer shell while rotating.

The present invention in a preferred example may be further configured to: the utility model discloses a multi-slide-type portable electronic device, including shell body, slider, casing, shell, the inside wall of shell body is last to open there are many spouts, be provided with many sliders on the lateral surface of interior casing, the slider slides in the spout.

Through adopting above-mentioned technical scheme, the slider slides in the spout, plays limiting displacement to the removal of internal casing, prevents that it from rotating at the in-process that removes, influences the test bar position.

The present invention in a preferred example may be further configured to: a hanging rod is fixed on the outer side face of the support, and internal threads are arranged on the inner side wall of the support.

By adopting the technical scheme, the hanging rod is used for fixing the device on the pocket, so that the carrying of detection personnel is facilitated.

The present invention in a preferred example may be further configured to: and the outer side surface of the cylinder is provided with an external thread, and the external thread is meshed with the internal thread.

Through adopting above-mentioned technical scheme, external screw thread and internal thread intermeshing make the support when rotating, drive the cylinder and remove.

The present invention in a preferred example may be further configured to: the detection rod, the resistor, the current sensor, the processor, the loudspeaker and the display screen are electrically connected through electric wires.

Through adopting above-mentioned technical scheme, make the electric current pass through the test bar and transmit resistance, resistance transmits current sensor after handling the electric current, and current sensor turns into digital signal with the electric current size and transmits the display screen on, shows on the display screen to report the electric current size through the speaker.

By adopting the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the detection device is reduced in size and simplified in structure, so that the detection device can be placed in a pocket for carrying, the portability of the detection device is greatly improved, and the detection device is convenient for detection personnel to carry.

2. According to the utility model, the detection rod is arranged for detecting the current of the circuit breaker and guiding the current into the current sensor, the current sensor detects the current and transmits a detected structure to the processor, the processor converts the current into a digital signal and transmits the digital signal to the display screen, the digital signal is displayed on the display screen, and the current is broadcasted through the loudspeaker, so that the current condition can be conveniently obtained by personnel in time, and meanwhile, the detection accuracy is improved.

3. According to the utility model, the telescopic detection rod is arranged, the support is rotated to drive the cylinder to move, so that the inner shell is driven to move, the detection rod arranged on the inner shell is made to move in a telescopic mode, circuits at different depths can be conveniently detected, the practicability of the device is increased, and meanwhile, the detection rod is retracted into the outer shell when the device is idle, so that the detection rod is effectively protected.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic structural diagram of a detection module according to the present invention.

Reference numerals:

100. a body module; 110. an outer housing; 111. an annular groove; 112. a chute; 120. a rubber sleeve; 130. a support; 131. a hanging rod; 132. an L-shaped piece; 133. an internal thread; 140. a display screen;

200. a detection module; 210. an inner housing; 211. a slider; 220. a resistance; 230. a detection lever; 240. a current sensor; 250. a processor; 260. a speaker; 270. a cylinder; 271. and (4) external threads.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model.

Some embodiments of the utility model are described below with reference to figures 1-3, including: a body module 100 and a detection module 200.

The main body module 100 comprises an outer shell 110, a rubber sleeve 120 sleeved on the outer side surface of the outer shell 110, a support 130 rotatably arranged at the top end of the outer shell 110, and a display screen 140 installed on the outer side surface of the outer shell 110, wherein the outer shell 110 is in a circular column shape, the rubber sleeve 120 is sleeved on the outer side surface of the outer shell 110 to play an insulating role, meanwhile, the diameter of the support 130 is equal to that of the outer shell 110, the top end of the inner wall of the outer shell 110 is provided with an annular groove 111, the bottom end of the inner wall of the support 130 is provided with L-shaped pieces 132 which extend out of the support 130 and are arranged in an annular array, the L-shaped pieces 132 are embedded in the annular groove 111, so that the support 130 is kept fixed on the outer shell 110 while rotating, the outer side surface of the support 130 is provided with a hanging rod 131 for fixing the device on a pocket, so that the carrying of detection personnel is facilitated, and the display screen 140 is used for displaying the value of current detection.

The detection module 200 includes an inner housing 210 movably disposed in the inner cavity of the main body module 100, a resistor 220 mounted on the inner bottom wall of the inner housing 210, a detection rod 230 mounted at the bottom end of the inner housing 210, a current sensor 240 mounted above the resistor 220, a processor 250 mounted above the current sensor 240, a speaker 260 mounted above the processor 250, and a cylinder 270 fixed at the top end of the inner housing 210, wherein the inner housing 210 has a diameter slightly smaller than that of the outer housing 110, a plurality of sliding slots 112 are formed on the inner side wall of the outer housing 110, a plurality of sliders 211 are disposed on the outer side surface of the inner housing 210, the sliders 211 slide in the sliding slots 112, and limit the movement of the inner housing 210 to prevent the rotation thereof during the movement, thereby affecting the position of the detection rod 230, the resistor 220 processes the current and prevents overload, and the detection rod 230 is used for guiding the current into the current sensor 240, the tip of measuring pole 230 is the platykurtic, the bolt is dismantled when needing conveniently, the practicality has been increased, current sensor 240 is used for measuring current's size, and send the testing result for treater 250, treater 250 turns into digital signal with the testing result, show on display screen 140, and report through speaker 260, the bottom mounting of cylinder 270 just equals with interior casing 210 diameter at the top of interior casing 210, be provided with external screw thread 271 on the lateral surface of cylinder 270, be provided with internal thread 133 on the inside wall of support 130, external screw thread 271 and internal thread 133 intermeshing, make support 130 when rotating, drive cylinder 270 and remove, thereby drive interior casing 210 and remove, stretch out measuring pole 230.

The working principle and the using process of the utility model are as follows: when the circuit breaker needs to be detected, the position needing to be detected is determined, the support 130 is rotated, the support 130 rotates to drive the cylinder 270 to move, the cylinder 270 moves to drive the outer shell 110 to move, the detection rod 230 extends out of the outer shell 110, the end part of the detection rod 230 is attached to the detection position, at the moment, current is transmitted into the current sensor 240 through the detection rod 230, the current sensor 240 detects the current and transmits a detected structure to the processor 250, the processor 250 converts the current into a digital signal and transmits the digital signal to the display screen 140 to be displayed, meanwhile, the loudspeaker 260 broadcasts the value of the current, a person can know the value of the current in time when the display screen 140 cannot be seen, the support 130 is rotated to drive the detection rod 230 to contract after the detection rod 230 completely retracts into the outer shell 110, the device can be hung on a pocket through the hanging rod 131, is convenient to carry.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" 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 as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. A current detection device for a circuit breaker, comprising: the body module (100) and the detection module (200), characterized in that, the detection module (200) is including activity setting up at inner casing (210) of body module (100) inner chamber, install resistance (220) on inner casing (210) inner diapire, install measuring stick (230) at inner casing (210) bottom, install current sensor (240) in resistance (220) top, install treater (250) in current sensor (240) top, install speaker (260) in treater (250) top and fix cylinder (270) at inner casing (210) top.

2. The current detection device for the circuit breaker according to claim 1, wherein the main body module (100) comprises an outer shell (110), a rubber sleeve (120) sleeved on the outer side surface of the outer shell (110), a support (130) rotatably arranged at the top end of the outer shell (110), and a display screen (140) installed on the outer side surface of the outer shell (110).

3. The current detection device for the circuit breaker according to claim 2, wherein the top end of the inner wall of the outer casing (110) is provided with an annular groove (111), the bottom end of the inner wall of the support (130) is provided with L-shaped members (132) which extend out of the support (130) and are arranged in an annular array, and the L-shaped members (132) are embedded in the annular groove (111).

4. The current detecting device for the circuit breaker according to claim 2, wherein the inner side wall of the outer housing (110) is opened with a plurality of sliding slots (112), the outer side surface of the inner housing (210) is provided with a plurality of sliding blocks (211), and the sliding blocks (211) slide in the sliding slots (112).

5. The current detection device for the circuit breaker according to claim 2, wherein a hanging rod (131) is fixed on an outer side surface of the support (130), and an inner thread (133) is arranged on an inner side wall of the support (130).

6. The current detecting device for the circuit breaker according to claim 5, wherein the outer side of the cylinder (270) is provided with an external thread (271), and the external thread (271) and the internal thread (133) are engaged with each other.

7. The current detecting device for the circuit breaker according to claim 1, wherein the detecting rod (230), the resistor (220), the current sensor (240), the processor (250), the speaker (260) and the display screen (140) are electrically connected by wires.