CN111508789A

CN111508789A - Circuit breaker equipment for instantaneous overload state

Info

Publication number: CN111508789A
Application number: CN202010422331.XA
Authority: CN
Inventors: 贾俊; 季昆玉; 张锐; 王健; 符瑞; 孙泰龙; 刘学
Original assignee: Taizhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Current assignee: Taizhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-08-07
Anticipated expiration: 2040-05-15
Also published as: CN111508789B

Abstract

The invention discloses a breaker device for instantaneous overload state, comprising a breaker shell and a protection device, four corners of the bottom surface of the shell of the circuit breaker are connected with the rolling wheels in a sliding way through universal shafts, the upper side surface of the front end of the shell of the circuit breaker is fixedly provided with an accommodating box, the upper side surface of the accommodating box is chiseled with a groove, the right side of the lower end of the containing box is fixedly provided with a processing box, the surface of the middle part of the upper end of the shell of the circuit breaker is fixedly connected with a display screen, the surface of the right end of the display screen is fixedly connected with a soft catheter, the display screen is electrically connected with the alarm lamp on the left side through a lead, a standby power box is fixedly arranged at the lower end of the left side in the protection device, a static contact is fixedly connected to the surface of the right end of the standby power box, the movable contact is fixedly installed at the right end of the static contact and is in sliding connection with the sliding block groove through the sliding block. The breaker equipment for the instantaneous overload state has the advantages of reasonable and simple structural design, safety and reliability.

Description

Circuit breaker equipment for instantaneous overload state

Technical Field

The invention relates to the technical field of circuit breaker equipment, in particular to circuit breaker equipment for an instantaneous overload state.

Background

The circuit breaker is 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 breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, the circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, automatically cutting off a circuit when serious overload or short circuit, undervoltage and other faults occur, and the circuit breaker has the function equivalent to the combination of a fuse type switch, an over-and-under-heat relay and the like.

Among the technical scheme that patent document CN203707616U provided, raise the circuit breaker through the pad kicking block, reduce whole atress area of contact, when the component operation, the heat that the component produced can be passed through the heat dissipation slotted hole fast and derive the cabinet body, effectively ensure the service environment, the extension equipment life of the internal components and parts of cabinet. However, the scheme of the patent cannot judge the load condition of the electrical element, and has low safety and low automation degree.

Therefore, there is a need for a novel instantaneous overload state breaker apparatus for current measurement with high automation and safety.

Disclosure of Invention

It is an object of the present invention to provide a circuit breaker apparatus for an instantaneous overload condition to solve the problems set forth in the background above.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a circuit breaker equipment for instantaneous overload state, includes circuit breaker housing and protector, four corners of circuit breaker housing bottom surface all through cardan shaft and rolling wheel sliding connection, circuit breaker housing front end upper side fixed mounting has and holds the box, it has the recess to hold side surface chisel on the box, it has the processing case to hold box lower extreme right side fixed mounting, circuit breaker housing upper end middle part fixed surface is connected with the display screen, display screen right-hand member fixed surface is connected with soft pipe, the display screen passes through wire and left warning light electric connection, the inside left side lower extreme fixed mounting of protector has stand-by power supply case, stand-by power supply case right-hand member fixed surface is connected with the stationary contact, stationary contact right-hand member fixed mounting has the movable contact, the movable contact passes through slider and slider groove sliding connection.

Preferably, the protection device further comprises a driving motor, a gear, a rack and a transmission rod, the driving motor is rotatably connected with the gear through a connecting shaft, the gear is meshed with the rack, and the transmission rod is fixedly connected to the surface of the lower end of the gear and used for driving the movable contact to move.

Preferably, the display screen is electrically connected with the current collector on the right side through the soft catheter, the current collector is electrically connected with the control box through a wire and used for detecting the magnitude of current passing through the electrical element and transmitting the detection result to the control box through a signal line.

Preferably, control box internally mounted have control panel, control panel lower extreme fixed surface installs control button, control button downside fixed mounting has the knob for control and feedback information are carried out to electrical component's operating condition.

Preferably, the surface of the left side of the front end of the shell of the circuit breaker is fixedly provided with heat dissipation windows which are longitudinally arranged at equal intervals and used for dissipating heat generated after the electric element works.

Preferably, circuit breaker housing front end downside fixed mounting have lower insulating case, insulating case is installed to insulating case upside down, it has insulating chamber to beat the chisel between lower insulating case and the last insulating case for guarantee that the electric leakage condition can not appear in installation circuit breaker equipment, improved the security.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up the warning light, the display screen, electric current collector and control box, when electric component circular telegram, circular telegram back electric current collector carries out real-time detection, when detecting and surpassing predetermined scope, will pass through the signal line and give the control box with information transfer, and control panel can give warning light and display screen with this signal transfer in the control box to this lets the warning light send the warning sound and shows the information display who detects on the display screen, reminds personnel to handle, the security has been improved.

2. Through setting up protector, at first, start the driving motor work in the protector through the control button in the control box, then driving motor passes through the connecting axle and drives gear revolve, with this rotation on the rack and drive the transfer line and reciprocate, thereby drive the movable contact and remove, and make movable contact and stationary contact disconnection, thereby let the movable contact can be connected with this connection stand-by power supply case with the stationary contact of top, make the convenience save data, improved automation and avoided the unexpected condition to appear and be difficult to save detection data.

3. Through setting up insulating case, lower insulating case and insulating chamber, and go up the insulating case and be used for forming confined assembly space that is used for assembling the circuit breaker with lower insulating case for the insulator box altogether of three-phase, avoid receiving external disturbance at the circuit breaker.

Drawings

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

FIG. 2 is a schematic view of the interior of the shielding device according to the present invention;

FIG. 3 is a schematic view of the interior of the control box of the present invention;

FIG. 4 is an electrical connection diagram of the present invention.

In the figure: 1. a circuit breaker housing; 2. an alarm light; 3. accommodating the box; 4. a heat dissipation window; 5. an upper insulating box; 6. a lower insulating box; 7. a rolling wheel; 8. a display screen; 9. a groove; 10. a soft catheter; 11. a current collector; 12. a control box; 121. a control panel; 122. a control button; 123. a rotation knob; 13. a guard; 131. a drive motor; 132. a gear; 133. a rack; 134. a transmission rod; 14. a treatment tank; 15. an insulating cavity; 16. a standby power box; 17. a slider slot; 18. a movable contact; 19. and a stationary contact.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, a circuit breaker apparatus for an instantaneous overload state includes a circuit breaker case 1 and a protection device 13, four corners of a bottom surface of the circuit breaker case 1 are slidably connected to rolling wheels 7 through universal shafts, the rolling wheels 7 are used for driving the circuit breaker case 1 to move to a designated position, a containing box 3 is fixedly installed on an upper side surface of a front end of the circuit breaker case 1, the containing box 3 is used for placing some tools for maintaining electric appliances, a groove 9 is punched on an upper side surface of the containing box 3, the containing box 3 is conveniently opened by the groove 9, a processing box 14 is fixedly installed on a right side of a lower end of the containing box 3, the processing box 14 is used for storing damaged electric elements for processing and maintaining, a display screen 8 is fixedly connected to a middle surface of an upper end of the circuit breaker case 1, a flexible conduit 10 is fixedly connected to a right end surface of the display screen 8, the display screen 8 is electrically connected to a left alarm lamp, when the electrical element is electrified, the current collector 11 carries out real-time detection after the electrification, when the detection exceeds a preset range, information is transmitted to the control box 12 through a signal wire, and the control panel 121 in the control box 12 transmits the signal to the alarm lamp 2 and the display screen 8, so that the alarm lamp 2 gives out alarm sound and the detected information is displayed on the display screen 8 to remind personnel to process, and the safety is improved;

a standby power box 16 is fixedly arranged at the lower end of the left side in the protection device 13, a static contact 19 is fixedly connected on the surface of the right end of the standby power box 16, a movable contact 18 is fixedly arranged at the right end of the static contact 19, the operation of the drive motor 131 in the guard 13 is initiated by a control button 122 in the control box 12, then the driving motor 131 drives the gear 132 to rotate through the connecting shaft, thereby rotating on the rack 133 to drive the transmission rod 134 to move up and down, thereby moving the movable contact 18, so that the movable contact 18 is disconnected from the fixed contact 19, so that the movable contact 18 is connected to the upper fixed contact 19 to connect the standby power box 16, the data are conveniently stored, automation is improved, the problem that the detected data are difficult to store due to the fact that accidents occur is avoided, the movable contact 18 is in sliding connection with the sliding block groove 17 through the sliding block, and the sliding block groove 17 is used for assisting the movable contact 18 to move.

The working principle is as follows: firstly, when the electrical element is powered on, the current collector 11 carries out real-time detection after being powered on, when the detection exceeds a preset range, information is transmitted to the control box 12 through a signal line, the control panel 121 in the control box 12 transmits the signal to the alarm lamp 2 and the display screen 8, so that the alarm lamp 2 gives out an alarm sound and the detected information is displayed on the display screen 8 to remind a person to process, then the worker starts the driving motor 131 in the protection device 13 to work by pressing the control button 122 in the control box 12, then the driving motor 131 drives the gear 132 to rotate through the connecting shaft, so that the driving rod 134 is driven to rotate upwards and downwards on the rack 133, so as to drive the movable contact 18 to move, so that the movable contact 18 is disconnected with the fixed contact 19, so that the movable contact 18 is connected with the fixed contact 19 above to connect the standby power supply box 16, the data are conveniently stored, automation is improved, and the problem that the detection data are difficult to store due to the occurrence of accidents is avoided.

Finally, it should be noted that: it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A circuit breaker apparatus for transient overload conditions comprising a circuit breaker housing (1) and a protective device (13), characterized in that: four corners of the surface of the bottom end of the circuit breaker shell (1) are connected with rolling wheels (7) in a sliding mode through universal shafts, the upper side surface of the front end of the circuit breaker shell (1) is fixedly provided with an accommodating box (3), the upper side surface of the accommodating box (3) is provided with a groove (9), the right side of the lower end of the accommodating box (3) is fixedly provided with a processing box (14), the middle surface of the upper end of the circuit breaker shell (1) is fixedly connected with a display screen (8), the right end surface of the display screen (8) is fixedly connected with a soft guide pipe (10), the display screen (8) is electrically connected with a left alarm lamp (2) through a guide wire, the lower end of the left side inside of a protection device (13) is fixedly provided with a standby power supply box (16), the surface of the right end of the standby power supply box (16) is fixedly connected with a, the movable contact (18) is connected with the sliding block groove (17) in a sliding way through a sliding block.

2. A circuit breaker apparatus for transient overload conditions as recited in claim 1 wherein: the protection device (13) further comprises a driving motor (131), a gear (132), a rack (133) and a transmission rod (134), the driving motor (131) is rotatably connected with the gear (132) through a connecting shaft, the gear (132) is meshed with the rack (133) and connected with the transmission rod (134) in a fixed mode on the surface of the lower end of the gear (132).

3. A circuit breaker apparatus for transient overload conditions as recited in claim 1 wherein: the display screen (8) is electrically connected with the current collector (11) on the right side through the soft catheter (10), and the current collector (11) is electrically connected with the control box (12) through a wire.

4. A circuit breaker apparatus for transient overload conditions as recited in claim 3 wherein: control box (12) internally mounted have control panel (121), control panel (121) lower extreme fixed surface installs control button (122), control button (122) downside fixed mounting has knob (123).

5. A circuit breaker apparatus for transient overload conditions as recited in claim 1 wherein: the surface of the left side of the front end of the circuit breaker shell (1) is fixedly provided with heat dissipation windows (4), and the heat dissipation windows (4) are longitudinally arranged at equal intervals.

6. A circuit breaker apparatus for transient overload conditions as recited in claim 1 wherein: the circuit breaker shell (1) front end downside fixed mounting have lower insulating case (6), insulating case (5) are installed to insulating case (6) upside down, it has insulating chamber (15) to beat between insulating case (6) and last insulating case (5) down.