CN213521267U

CN213521267U - A circuit safeties that is used for car facility of charging to conveniently shift

Info

Publication number: CN213521267U
Application number: CN202022845332.3U
Authority: CN
Inventors: 高雨
Original assignee: Lijia Business District Beijing New Energy Co ltd
Current assignee: Lijia Business District Beijing New Energy Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-06-22
Anticipated expiration: 2030-12-01

Abstract

The utility model relates to a line safety device for convenient transfer of automobile charging facilities, which comprises a shell, a fixing frame and an electromagnet, wherein two groups of first connecting terminals and second connecting terminals are symmetrically and fixedly arranged at two ends of the inner wall of the shell respectively; the first connecting terminal close to the top end in the shell is electrically connected with the corresponding second connecting terminal through a wire; the bottom end in the shell is fixedly connected with a fixing frame, the first wiring terminal and the second wiring terminal which are close to the bottom end in the shell are both electrically connected with a second conductive block through wires, and the second conductive block is fixedly connected in the fixing frame; when the current sensor detects that the current in the wire is suddenly increased, the controller is electrified to the electromagnet, and the first conductive block and the second conductive block can be separated in time by the attraction of the electromagnet to the iron plate, so that the conductive function is lost, and the circuit is protected.

Description

A circuit safeties that is used for car facility of charging to conveniently shift

Technical Field

The utility model relates to a line insurance equipment technical field specifically is a line safeties that is used for convenient transfer of car facility of charging.

Background

In the modern society, along with the continuous improvement of living standard of people, the demand on automobiles is more and more, and simultaneously, the energy problem is continuously deepened, and petroleum products are gradually in short supply, and the pollution to the environment is also continuously deepened. How to effectively manufacture a new energy automobile for replacing the traditional automobile becomes the development target of all automobile enterprises at present. Moreover, the country is strongly supporting the new energy automobile industry for this purpose. The new energy automobile can be divided into a pure electric automobile and a hybrid electric automobile, but no matter which one is adopted, a power battery can not be used for providing power for the new energy automobile;

the new energy automobile is charged through the charging pile in the use process, and in the charging process of the new energy automobile, due to lightning stroke or line aging problems, overlarge current may occur, so that line current is overloaded, and finally, the line is burnt out;

in summary, the present application provides a circuit safety device for conveniently transferring a vehicle charging facility to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a circuit safeties that is used for convenient transfer of car facility of charging to solve the problem that proposes in the above-mentioned background art, the utility model discloses convenient to use, easy operation, systematic height, the practicality is strong.

In order to achieve the above object, the utility model provides a following technical scheme: a circuit safety device for convenient transfer of automobile charging facilities comprises a shell, a fixing frame and an electromagnet, wherein two groups of first connecting terminals and two groups of second connecting terminals are symmetrically and fixedly mounted at two ends of the inner wall of the shell respectively; the first wiring terminal close to the top end in the shell is electrically connected with the corresponding second wiring terminal through a wire; the bottom end in the shell is fixedly connected with a fixing frame, the first wiring terminal and the second wiring terminal which are close to the bottom end in the shell are both electrically connected with a second conductive block through wires, and the second conductive block is fixedly connected in the fixing frame; the inner top end of the fixing frame is fixedly connected with an electromagnet, a partition plate is fixedly connected in the fixing frame, an insulating rod penetrates through the partition plate and is connected with the partition plate in a sliding mode, the top end and the bottom end of the insulating rod are fixedly connected with an iron plate and a first conductive block respectively, and the first conductive block and a second conductive block are matched for use; still fixed mounting has current sensor on the wire, just current sensor and electro-magnet all with controller electric connection.

Preferably, both ends of the iron plate are fixedly connected with springs, and one ends of the springs are fixedly connected with the top ends of the fixing frames.

Preferably, the fixing frame is made of insulating plastics.

Preferably, the housing is made of insulating plastic.

Preferably, one side of the shell is also hinged with a side door.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a mutually supporting of setting up controller, current sensor, electro-magnet, spring, iron plate, first conducting block and second conducting block, when current sensor detects out the sudden increase of electric current in the wire, the controller is to the electro-magnet circular telegram, through the attraction of electro-magnet to iron plate, can in time separate first conducting block and second conducting block, loses electrically conductive function, has protected the circuit.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic front view of a cross-sectional structure of the middle housing of the present invention;

fig. 3 is a schematic view of the structure of the first conductive block and the second conductive block when they are separated.

Reference numerals: 1. a housing; 2. a controller; 3. a first connection terminal; 4. a second connection terminal; 5. A current sensor; 6. a fixed mount; 7. an electromagnet; 8. a spring; 9. an iron plate; 10. an insulating rod; 11. A first conductive block; 12. a second conductive block; 13. a wire; 14. a separator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a circuit safety device for convenient transfer of automobile charging facilities comprises a shell 1, a fixing frame 6 and an electromagnet 7, wherein two groups of first connecting terminals 3 and second connecting terminals 4 are symmetrically and fixedly installed at two ends of the inner wall of the shell 1 respectively; the first connecting terminal 3 close to the inner top end of the shell 1 is electrically connected with the corresponding second connecting terminal 4 through a lead 13;

the first connecting terminal 3 and the second connecting terminal 4 are electrically connected with the electric wire on the charging pile respectively;

a fixed frame 6 is fixedly connected to the inner bottom end of the shell 1, the first wiring terminal 3 and the second wiring terminal 4 which are close to the inner bottom end of the shell 1 are both electrically connected with a second conductive block 12 through a lead 13, and the second conductive block 12 is fixedly connected in the fixed frame 6;

the inner top end of the fixed frame 6 is fixedly connected with an electromagnet 7, a partition plate 14 is also fixedly connected in the fixed frame 6, an insulating rod 10 is connected to the partition plate 14 in a penetrating and sliding manner, the top end and the bottom end of the insulating rod 10 are respectively fixedly connected with an iron plate 9 and a first conductive block 11, and the first conductive block 11 is matched with a second conductive block 12 for use; the lead 13 is also fixedly provided with a current sensor 5, and the current sensor 5 and the electromagnet 7 are both electrically connected with the controller 2;

wherein, when the current sensor 5 detects that the current in the wire 13 is suddenly increased, the current sensor 5 transmits a signal to the controller 2;

wherein, the controller 2 is fixedly arranged at the top end of the shell 1;

when the electromagnet 7 is electrified, the electromagnet 7 generates magnetism to attract the iron plate 9, so that the iron plate 9 drives the first conductive block 11 to move upwards through the insulating column; at the same time, the iron plate 9 compresses the first spring 8;

wherein, the first conductive block 11 is not contacted with the second conductive block 12, so the wire 13 loses the conductive function;

wherein, the current sensor 5 is used for detecting the current in the lead 13;

both ends of the iron plate 9 are fixedly connected with springs 8, and one ends of the springs 8 are fixedly connected with the inner top ends of the fixing frames 6;

due to the arrangement of the shell 1, when maintenance is needed, the shell 1 is convenient to transfer;

wherein, the spring 8 plays a role of resetting;

the fixing frame 6 is made of insulating plastics;

the shell 1 is made of insulating plastics;

a side door is hinged to one side of the shell 1;

the working principle is as follows: in the use process, when the current sensor 5 detects that the current in the wire 13 is suddenly increased, the current sensor 5 transmits a signal to the controller 2, the controller 2 energizes the electromagnet 7, the electromagnet 7 generates magnetism to attract the iron plate 9, so the iron plate 9 compresses the first spring 8, and meanwhile, the iron plate 9 drives the first conductive block 11 to move upwards through the insulating rod until the first conductive block 11 is not contacted with the second conductive block 12 any more, so the wire 13 loses the conductive function; therefore, when the current in the lead 13 is suddenly increased in the using process of the device, the first conductive block 11 and the second conductive block 12 can be separated in time by attracting the iron plate 9 through the electromagnet 7, the conductive function is lost, and the circuit is protected.

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.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a line safety device that is used for convenient transfer of car facility of charging which characterized in that: the electromagnetic switch comprises a shell (1), a fixing frame (6) and an electromagnet (7), wherein two groups of first connecting terminals (3) and second connecting terminals (4) are symmetrically and fixedly installed at two ends of the inner wall of the shell (1) respectively; the first wiring terminal (3) close to the inner top end of the shell (1) is electrically connected with the corresponding second wiring terminal (4) through a lead (13);

a fixed frame (6) is fixedly connected to the inner bottom end of the shell (1), the first wiring terminal (3) and the second wiring terminal (4) which are close to the inner bottom end of the shell (1) are electrically connected with a second conductive block (12) through wires (13), and the second conductive block (12) is fixedly connected into the fixed frame (6);

an electromagnet (7) is fixedly connected to the top end of the inner portion of the fixing frame (6), a partition plate (14) is fixedly connected to the inner portion of the fixing frame (6), an insulating rod (10) penetrates through and is connected to the partition plate (14) in a sliding mode, the top end and the bottom end of the insulating rod (10) are fixedly connected with an iron plate (9) and a first conductive block (11) respectively, and the first conductive block (11) and a second conductive block (12) are matched for use; still fixed mounting has current sensor (5) on wire (13), just current sensor (5) and electro-magnet (7) all with controller (2) electric connection.

2. A line safety device for convenient transportation of a vehicle charging facility according to claim 1, wherein: the two ends of the iron plate (9) are fixedly connected with springs (8), and one ends of the springs (8) are fixedly connected with the top ends of the inner portions of the fixing frames (6).

3. A line safety device for convenient transportation of a vehicle charging facility according to claim 1, wherein: the fixing frame (6) is made of insulating plastics.

4. A line safety device for convenient transportation of a vehicle charging facility according to claim 1, wherein: the shell (1) is made of insulating plastics.

5. A line safety device for convenient transportation of a vehicle charging facility according to claim 1, wherein: and a side door is hinged to one side of the shell (1).