CN213184097U

CN213184097U - Circuit breaker with self-checking function

Info

Publication number: CN213184097U
Application number: CN202022364780.1U
Authority: CN
Inventors: 林登銮; 施晓葵
Original assignee: Fuzhou Nuote Electromechanical Technology Co ltd
Current assignee: Fuzhou Nuote Electromechanical Technology Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-05-11
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a circuit breaker with self-checking function, which comprises a switch handle, a connecting plate, a start-stop rotating shaft, a mark platform, a protective shell, a locking screw hole, a junction box, a side baffle, a fixed column, a short-circuit protector and a bearing base, wherein the upper end of the bearing base is welded with the lower end of the protective shell, the circuit breaker with self-checking function is structurally provided with the short-circuit protector, a singlechip in the short-circuit protector can continuously detect the internal circuit in the using process of the circuit breaker, when the condition of unstable work or circuit connection error is found, the electromagnet is powered, then the electrified electromagnet can obtain huge suction, then a movable plate with an induction magnetic block is adsorbed to the right side, when the movable plate moves, a limit plate is driven to move together, the cab apron can not be clamped after the movable plate is single, the transition plate is pulled downward by the compression spring and then the line of the circuit breaker is opened.

Description

Circuit breaker with self-checking function

Technical Field

The utility model relates to a circuit breaker with self-checking function belongs to technical field.

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 for a predetermined time. The vacuum arc extinguisher is a connecting piece for connecting a circuit breaker

The prior art discloses the application numbers as follows: CN 202010068916.6's a circuit breaker include the connecting rod, and the cover is equipped with first protective sheath, second protective sheath on the connecting rod, is equipped with the spout that supplies first protective sheath to slide in the second protective sheath, and first protective sheath is close to the one end fixedly connected with joint ring of second protective sheath, but this prior art circuit breaker is in long-time use, and the circuit is possible ageing, and ageing circuit leads to the short circuit to catch fire to cause danger very probably.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a circuit breaker with self-checking function to the prior art circuit breaker of solution is in long-time use, and the circuit is possible ageing, and ageing circuit leads to the short circuit to catch fire very probably and causes dangerous problem.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a circuit breaker with self-checking function, its structure includes switch handle, connecting plate, opens and stops pivot, mark platform, protecting sheathing, locking screw, wiring board, side shield, fixed column, short-circuit protection ware, bearing base, the upper end of bearing base welds with protecting sheathing's lower extreme mutually, locking screw and wiring board structure as an organic whole, the left side of wiring board is connected with side shield's right side, side shield's back is equipped with the fixed column, the rear end of switch handle is connected with the front end of connecting plate, the connecting plate with open and stop the pivot and be the integrated structure, open and stop the pivot embedding and install in protecting sheathing's positive terminal surface, the back of mark platform is laminated with protecting sheathing's front end, protecting sheathing's the place ahead is equipped with the switch handle.

Further, the short circuit protector includes compression spring, stopper, response magnetic path, electro-magnet, singlechip, outer frame, location spout, well core rod, movable plate, switch-on wire, conduction board, the lower extreme that conducts the board welds with compression spring's upper end mutually, the top that conducts the board is equipped with the switch-on wire, the right-hand member of stopper is connected with the left end of movable plate, well core rod embedding is installed in the spout of location, the response magnetic path is located the left side of electro-magnet, the inside of outer frame is equipped with the singlechip.

Furthermore, the left end of the protective shell is connected with the right end of the side baffle, and the right side of the side baffle is provided with a locking screw hole.

Furthermore, the right end of the outer frame is attached to the left side of the side baffle, and the single chip microcomputer is arranged above the bearing base.

Furthermore, the locking screw holes are distributed and installed at the upper end and the lower end of the protective shell, and the side baffle and the bearing base are of an integrated structure.

Furthermore, the locking screw hole is made of aluminum alloy, so that the weight is light and the hardness is high.

Furthermore, the fixing columns are made of stainless steel materials, so that the hardness is high, and the fixing columns are not easy to deform.

Advantageous effects

The utility model relates to a circuit breaker with self-checking function, be equipped with short-circuit protection ware structurally, at the circuit breaker in the use, singlechip in the short-circuit protection ware will be continuous detects inside circuit, when the condition that discovery job stabilization or circuit connection made mistakes, will supply power to the electro-magnet, then the electro-magnet that has got electric will obtain huge suction, then the movable plate that will have the response magnetic path adsorbs to the right side and comes, will take the limiting plate to remove together when the movable plate removes, the cab apron just can not be blocked after the list, cross the cab apron and will be pulled out downwards by compression spring, then make the circuit disconnection of circuit breaker.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a circuit breaker with a self-checking function according to the present invention;

fig. 2 is a schematic structural diagram of the short-circuit protector of the present invention.

In the figure: the device comprises a switch handle-1, a connecting plate-2, a start-stop rotating shaft-3, a sign stand-4, a protective shell-5, a locking screw hole-6, a wiring stand-7, a side baffle-8, a fixed column-9, a short-circuit protector-10, a bearing base-11, a compression spring-1001, a limiting block-1002, an induction magnet-1003, an electromagnet-1004, a single chip microcomputer-1005, an outer frame-1006, a positioning chute-1007, a center rod-1008, a moving plate-1009, a connecting wire-1010 and a conducting plate-1011.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the present invention provides a technical solution of a circuit breaker with self-checking function: the structure of the short-circuit protection device comprises a switch handle 1, a connecting plate 2, a start-stop rotating shaft 3, a sign platform 4, a protection shell 5, a locking screw hole 6, a wiring platform 7, a side baffle 8, a fixing column 9, a short-circuit protection device 10 and a bearing base 11, wherein the upper end of the bearing base 11 is welded with the lower end of the protection shell 5, the locking screw hole 6 and the wiring platform 7 are of an integrated structure, the left side of the wiring platform 7 is connected with the right side of the side baffle 8, the back of the side baffle 8 is provided with the fixing column 9, the rear end of the switch handle 1 is connected with the front end of the connecting plate 2, the connecting plate 2 and the start-stop rotating shaft 3 are of an integrated structure, the start-stop rotating shaft 3 is embedded and installed on the positive end surface of the protection shell 5, the back of the sign platform 4 is attached to the front end of the protection shell 5, The side baffle plate comprises a limiting block 1002, an induction magnetic block 1003, an electromagnet 1004, a single chip microcomputer 1005, an outer frame 1006, a positioning chute 1007, a central rod 1008, a moving plate 1009, a connecting lead 1010 and a conducting plate 1011, wherein the lower end of the conducting plate 1011 is welded with the upper end of a compression spring 1001, the connecting lead 1010 is arranged above the conducting plate 1011, the right end of the limiting block 1002 is connected with the left end of the moving plate 1009, the central rod 1008 is embedded in the positioning chute 1007, the induction magnetic block 1003 is positioned on the left side of the electromagnet 1004, the single chip microcomputer 1005 is arranged inside the outer frame 1006, the left end of the protective shell 5 is connected with the right end of the side baffle plate 8, a locking screw hole 6 is arranged on the right side of the side baffle plate 8, the right end of the outer frame 1006 is attached to the left side of the side baffle plate 8, the single chip microcomputer 1005 is, side baffle 8 and bearing base 11 are integrated structure, locking screw 6 adopts the aluminum alloy material, and light in weight hardness is high, fixed column 9 adopts the stainless steel material, and the high non-deformable of hardness.

The compression spring is a mechanical part which works by utilizing elasticity, and the part made of elastic materials deforms under the action of external force and is used as the spring after the external force is removed and the original shape is restored.

The utility model relates to a circuit breaker with self-checking function, be equipped with short-circuit protection ware structurally, at the circuit breaker in the use, singlechip 1005 in the short-circuit protection ware will be continuous detects inside circuit, when the condition that work unstability or circuit connection made mistakes is found, will supply power to electro-magnet 1004, then electro-magnet 1004 that has got electric will obtain huge suction, then movable plate 1009 that will have response magnetic path 1003 adsorbs to the right side and comes, will take limiting plate 1002 to remove together when movable plate 1009 removes, limiting plate 1002 just can not block cab apron 1011 behind the list, cross cab apron 1001 and will be pulled out downwards by compression spring 1001, then make the circuit disconnection of circuit breaker.

The utility model solves the problem that the circuit is likely to age and the aged circuit is likely to cause the danger of short circuit fire in the long-time use process of the circuit breaker in the prior art, the utility model discloses a circuit breaker with self-checking function, which is structurally provided with a short-circuit protector, a single chip microcomputer in the short-circuit protector can continuously detect the internal circuit in the use process of the circuit breaker, when the condition of unstable work or circuit connection error is found, the electromagnet is powered, then the powered electromagnet can obtain huge suction, then a moving plate with an induction magnetic block is absorbed to the right side, when the moving plate moves, the limiting plate can be driven to move together, the cab apron can not be clamped by the limiting plate after the moving plate is single, the cab apron can be pulled downwards by a compression spring, and then the line of the circuit breaker is opened.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. 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. The utility model provides a circuit breaker with self-checking function which characterized in that: the structure of the novel switch comprises a switch handle (1), a connecting plate (2), a start-stop rotating shaft (3), a sign platform (4), a protective shell (5), a locking screw hole (6), a wiring platform (7), a side baffle (8), a fixing column (9), a short-circuit protector (10) and a bearing base (11), wherein the upper end of the bearing base (11) is welded with the lower end of the protective shell (5), the locking screw hole (6) and the wiring platform (7) are of an integrated structure, the left side of the wiring platform (7) is connected with the right side of the side baffle (8), the fixing column (9) is arranged at the back of the side baffle (8), the rear end of the switch handle (1) is connected with the front end of the connecting plate (2), the connecting plate (2) and the start-stop rotating shaft (3) are of an integrated structure, the start-stop rotating shaft (3) is embedded and installed on the positive end, the back of the sign platform (4) is attached to the front end of the protective shell (5), and a switch handle (1) is arranged in front of the protective shell (5).

2. The circuit breaker with self-checking function according to claim 1, wherein: short-circuit protector (10) include compression spring (1001), stopper (1002), response magnetic path (1003), electro-magnet (1004), singlechip (1005), outer frame (1006), location spout (1007), well core rod (1008), movable plate (1009), switch-on wire (1010), conduction board (1011), the lower extreme of conduction board (1011) welds mutually with the upper end of compression spring (1001), the top of conduction board (1011) is equipped with switch-on wire (1010), the right-hand member of stopper (1002) is connected with the left end of movable plate (1009), well core rod (1008) embedding is installed in location spout (1007), response magnetic path (1003) are located the left side of electro-magnet (1004), the inside of outer frame (1006) is equipped with singlechip (1005).

3. The circuit breaker with self-checking function according to claim 1, wherein: the left end of the protective shell (5) is connected with the right end of the side baffle (8), and the right side of the side baffle (8) is provided with a locking screw hole (6).

4. The circuit breaker with self-checking function according to claim 2, wherein: the right end of outer frame (1006) is laminated with the left side of side shield (8) mutually, the top of bearing base (11) is equipped with singlechip (1005).

5. The circuit breaker with self-checking function according to claim 1, wherein: locking screw holes (6) are distributed and installed at the upper end and the lower end of the protective shell (5), and the side baffle (8) and the bearing base (11) are of an integrated structure.