CN217847271U

CN217847271U - Automatic alarm device for screw loosening on box-type transformer low-voltage circuit breaker

Info

Publication number: CN217847271U
Application number: CN202221883387.6U
Authority: CN
Inventors: 王保山
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-11-18
Anticipated expiration: 2032-07-21

Abstract

The application belongs to the technical field of circuit monitoring, and discloses a screw looseness autoalarm for on case becomes low voltage circuit breaker, including circuit breaker and detection device, detection device fixed connection is in one side of circuit breaker, and detection device's inside is provided with processing circuit and communication module, and detection device's top can be dismantled and be connected with the response module, through USB communication connection between response module and the detection device. This application is through the pressure variation of each binding post of response module perception, show unusual position through the pilot lamp, and be connected the communication with intelligent terminal through communication module among the detection device, realize monitoring and the warning to the screw looseness condition on the low-voltage circuit breaker, use through even contact slot and connection contact cooperation, the hot plug of response module has been realized, it is more convenient to install and dismantle, through the spring that sets up on the response post, can adapt to the initial height of different binding post fixed screws, the suitability of device is strong.

Description

Automatic alarm device for screw loosening on box-type transformer low-voltage circuit breaker

Technical Field

The application relates to the technical field of circuit monitoring, more specifically relates to be used in the not hard up autoalarm of screw on the case becomes low voltage circuit breaker.

Background

The circuit breaker is a switching device capable of closing, bearing and breaking a current under a normal loop condition and closing, bearing and breaking a current under an abnormal loop condition within a specified time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the use range, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power supply circuit, the motor and the like are protected, when the circuit breaker has serious overload or short circuit, undervoltage and other faults, the circuit breaker can automatically cut off a circuit, the function of the circuit breaker is equivalent to the combination of a fuse switch, an over-under-heat relay and the like, parts do not need to be changed after the fault current, the generation, the transmission and the use of electricity are extremely important links, a power distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large using amount.

The existing circuit breaker for electrical equipment control needs to be in butt joint with external positive and negative electric wires when in use to enable the circuit breaker to be normally used, the positive and negative electric wires need to be inserted into positive and negative wiring holes in the circuit breaker and fixed through screws, when being pulled, wiring terminals fixed in the positive and negative wiring holes easily cause loosening of the fixing screws, virtual connection at the wiring positions generates heat, the circuit breaker thermal protection device is caused to act to cause tripping, the working stability of the circuit breaker is influenced, electric sparks can also occur at the virtual connection positions, fire accidents are easily caused if the electric sparks cannot be found in time, and the wiring points need to be checked one by workers when in maintenance, so that the maintenance efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the application provides and is used in the not hard up autoalarm of screw on the case becomes low voltage circuit breaker.

The application provides a be used in box-type substation low-voltage circuit breaker go up screw not hard up autoalarm adopts following technical scheme:

be used in not hard up autoalarm of screw on case becomes low voltage circuit breaker, including circuit breaker and detection device, detection device fixed connection is in one side of circuit breaker, detection device's inside is provided with processing circuit and communication module, detection device's top can be dismantled and is connected with the response module, through USB communication connection between response module and the detection device, detection device's top is provided with the button that resets, the bottom of response module and the wiring screw position of circuit breaker are provided with pressure sensor, the equal fixedly connected with response post in pressure sensor's bottom, the top of response module is provided with the pilot lamp corresponding with pressure sensor.

Furthermore, a limiting groove is formed in the position, connected with the sensing module, of the detection device, and a connecting contact is arranged at the bottom of the limiting groove.

Through the technical scheme, the induction module is more stable to install.

Furthermore, the bottom of the induction module is provided with a connecting contact groove corresponding to the connecting contact.

Through above-mentioned technical scheme, connect and touch the groove and use with the connection contact cooperation, realized response module's hot plug, it is more convenient to install and dismantle.

Furthermore, a storage battery is arranged in the detection device.

Through above-mentioned technical scheme, when external power supply became invalid, can be by the emergent power supply of battery, improved the stability in use of device.

Further, the response post includes contact block and lower contact block, it is insulating material with lower contact block to go up the contact block, go up fixedly connected with spring between contact block and the lower contact block.

Through the technical scheme, the initial height of the fixing screws of different wiring points can be adapted by utilizing the elasticity of the spring.

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

(1) According to the detection device, the induction column is attached to the top of a wiring screw on the circuit breaker, the screw loosening condition is detected in real time through the pressure change of the pressure sensor, the abnormal mark is lightened through the indicating lamp, so that a maintainer can conveniently and quickly find the abnormal point position, and the communication module in the detection device is connected with the intelligent terminal for communication, so that the real-time monitoring and the timely alarming of the screw loosening condition on the low-voltage circuit breaker are realized;

(2) Through even the contact groove uses with the connection contact cooperation, has realized the hot plug of response module, and it is more convenient to install and dismantle, through the spring that sets up on the response post, can adapt to the initial height of different termination fixed screws, and the suitability of device is strong.

Drawings

FIG. 1 is a schematic view of the installation of the present application;

FIG. 2 is a schematic structural breakdown diagram of the present application;

fig. 3 is a schematic structural diagram of the sensing module.

The reference numbers in the figures illustrate:

1. a circuit breaker; 2. a detection device; 3. a sensing module; 4. resetting the key; 5. a pressure sensor; 6. an induction column; 7. an indicator light; 8. a limiting groove; 9. connecting the contacts; 10. a contact groove; 11. an upper contact block; 12. a lower contact block; 13. a spring.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

the present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses be used in screw not hard up autoalarm on case becomes low voltage circuit breaker, including circuit breaker 1 and

detection device

2, 2 fixed connection of detection device are in one side of circuit breaker 1, the inside of detection device 2 is provided with processing circuit and communication module, the top of detection device 2 can be dismantled and is connected with response module 3, through USB communication connection between response module 3 and the detection device 2, the top of detection device 2 is provided with reset button 4, the bottom of response module 3 and circuit breaker 1's wiring screw position are provided with pressure sensor 5, the equal fixedly connected with in bottom of pressure sensor 5 responds to post 6, the top of response module 3 is provided with pilot lamp 7 corresponding with pressure sensor 5.

Please refer to fig. 1-2, a position where the detection device 2 is connected with the sensing module 3 is provided with a limit groove 8, the bottom of the limit groove 8 is provided with a connection contact 9, so that the installation of the sensing module 3 is more stable, the bottom of the sensing module 3 is provided with a connection contact groove 10 corresponding to the connection contact 9, the connection contact groove 10 is used in cooperation with the connection contact 9, the hot plugging of the sensing module 3 is realized, the installation and the disassembly are more convenient, the detection device 2 is also internally provided with a storage battery, when the external power supply fails, the storage battery can supply power in an emergency manner, and the use stability of the device is improved.

Referring to fig. 3, the sensing post 6 includes an upper contact block 11 and a lower contact block 12, the upper contact block 11 and the lower contact block 12 are both made of insulating materials, a spring 13 is fixedly connected between the upper contact block 11 and the lower contact block 12, and the spring 13 can adapt to the initial heights of the fixing screws of different connection points by using the elastic force of the spring 13.

The implementation principle of the automatic screw loosening alarm device for the box-type substation low-voltage circuit breaker is as follows: during the use, after the staff accomplishes the screw fixation of each binding post, aim at the response post 6 on the response module 3 wiring fixed screw, and with its fixed mounting in spacing recess 8, communicate with detection device 2 through even contact groove 10 and connecting contact 9, press reset button 4, set pressure data this moment to initial condition, response post 6 laminates with the binding screw top on the circuit breaker 1, through the pressure variation of pressure sensor 5, carry out real-time detection to the screw not hard up condition, when the screw produces not hard up and move, pressure passes through response post 6 conduction to pressure sensor 5, pressure numerical value produces the change, the pilot lamp 7 that corresponds the point this moment lights unusual sign, be convenient for the maintainer to find unusual point location fast, and through communication module and the intelligent terminal communication in detection device 2, send the warning information, realize monitoring and warning to the screw not hard up condition on the low voltage circuit breaker 1, use through connecting contact groove 10 and connecting contact 9 cooperation, the response module 3 has been realized, after every time to unusual point location, can install response module 3 again and press reset button 4, make the operation personnel of maintenance can set up the adaptation of the initial point more convenient adaptation on the response post, 13 is more strong adaptation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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. Be used in case to become screw looseness autoalarm on low-voltage circuit breaker, including circuit breaker (1) and detection device (2), its characterized in that: detection device (2) fixed connection is in one side of circuit breaker (1), the inside of detection device (2) is provided with processing circuit and communication module, the top of detection device (2) can be dismantled and is connected with response module (3), through USB communication connection between response module (3) and detection device (2), the top of detection device (2) is provided with button (4) that resets, the bottom of response module (3) is provided with pressure sensor (5) with the wiring screw position of circuit breaker (1), the equal fixedly connected with response post (6) in bottom of pressure sensor (5), the top of response module (3) is provided with pilot lamp (7) corresponding with pressure sensor (5).

2. The automatic alarm device for the loosening of the screws on the box-type substation low-voltage circuit breaker according to claim 1, characterized in that: the position that detection device (2) with response module (3) are connected is provided with spacing recess (8), the bottom of spacing recess (8) is provided with connecting contact (9).

3. The automatic alarm device for the loosening of the screws on the box-type substation low-voltage circuit breaker according to claim 2, characterized in that: the bottom of the induction module (3) is provided with a connecting contact groove (10) corresponding to the connecting contact (9).

4. The automatic alarm device for the loosening of the screws on the box-type substation low-voltage circuit breaker according to claim 1, characterized in that: and a storage battery is also arranged in the detection device (2).

5. The automatic alarm device for the loosening of the screws on the box-type substation low-voltage circuit breaker according to claim 1, characterized in that: response post (6) are including last contact block (11) and lower contact block (12), it is insulating material to go up contact block (11) and lower contact block (12), go up fixedly connected with spring (13) between contact block (11) and lower contact block (12).