CN113232531B

CN113232531B - High new forms of energy car of security rifle that charges

Info

Publication number: CN113232531B
Application number: CN202110571517.6A
Authority: CN
Inventors: 义雪峰
Original assignee: Daishan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd; Zhoushan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Current assignee: Daishan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd; Zhoushan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-11-11
Anticipated expiration: 2041-05-25
Also published as: CN113232531A

Abstract

The invention relates to the technical field of strategic emerging industries and discloses a high-safety charging gun for a new energy vehicle. According to the invention, through the designed expansion bag and the displacement plate, when the charging gun is heated in the charging process, air in the sealed charging gun can be subjected to thermal expansion, the expansion bag is expanded, the expansion bag starts to extrude the displacement plate to displace when the internal temperature of the expansion bag rises to be close to 100 ℃, and the communication block is separated from the positioning buckle, so that the overheating self-power-off function of the charging gun is completed, the situations that internal parts are damaged due to overheating of the charging gun, plastic parts deform to cause fire and the like are avoided, and meanwhile, after the charging gun is cooled, the displacement plate can automatically reset again to complete the continuous charging task of the charging gun.

Description

High new forms of energy car of security rifle that charges

Technical Field

The invention relates to the technical field of strategic emerging industries, in particular to a charging gun of a new energy vehicle with high safety.

Background

Under the big background of global low carbon economy, the focus of automobile industry also begins to develop to the new forms of energy orientation, now, under the strong support of country, electric automobile has become mainstream development trend, and it abandons traditional petrol power supply to clean electric energy is new power supply, because uses the electric energy, makes electric automobile need in time charge after the electric power consumption of storage finishes, and this just needs to use supporting electric pile, the rifle that charges to carry out the quick energy that charges to it.

Because the power is great when the car charges, the temperature of the charging head on the charging gun and each internal element can continuously rise, the heat dissipation function of the existing charging gun is insufficient, the charging gun leads to the accumulation of heat inside the gun head after the temperature rises, when the internal temperature exceeds 115 ℃, parts inside the charging gun are easily damaged, internal plastic components are heated and deformed, the service life is shortened, the safety coefficient is reduced, fire disasters can be caused seriously, and the internal parts are damaged, so that the short-circuit phenomenon of a socket and a plug is easily caused, and the automobile battery can be damaged in a long time and can not be reversed.

Disclosure of Invention

Aiming at the defects of the existing charging gun for the new energy vehicle in the background technology in the use process, the invention provides the charging gun for the new energy vehicle with high safety, which has the advantages of automatic power off due to overheating, acceleration of heat dissipation due to overheating by opening a closed gun body, and re-energization after cooling is completed, and solves the problems that the charging gun is damaged due to overheating and cannot be automatically re-energized after the power off due to overheating in the background technology.

The invention provides the following technical scheme: the utility model provides a high new forms of energy car rifle that charges of security, includes the rifle body, the opening has been seted up at the upper and lower both sides center of the rifle body, the equal fixedly connected with spring in opening bottom four corners, the bottom fixedly connected with arc of spring No. two, it is protruding that the joint that is equipped with all around of arc, the bottom fixedly connected with permanent magnet of arc, the rifle body is close to the inside movable groove that has seted up of one end of handle, the spring of four equipartitions of one end fixedly connected with in the movable groove, the other end fixedly connected with displacement plate of spring, the one end center of displacement plate is equipped with the location and detains, the inline electric wire has been cup jointed in the location knot internalization, the one end fixedly connected with intercommunication piece of inline electric wire, the other end fixedly connected with annular electric wire of inline electric wire, the winding has the iron plate in the annular electric wire, the central fixedly connected with inflation bag of inline electric wire.

Preferably, the one end fixedly connected with of the rifle body head that charges, the rifle body inner chamber is close to the one side fixedly connected with earth leakage protection group of the head that charges, the other end fixedly connected with handle of the rifle body, the bottom fixedly connected with adapter sleeve of handle, the handle is the slope form, the rifle body is the level form.

Preferably, the other end center fixedly connected with electric wire of displacement board, the electric wire with fill electric pile fixed connection, the other end both sides fixedly connected with dead lever of craspedodrome electric wire, the other end of dead lever and the inner chamber fixed connection of the rifle body.

Preferably, the opening on the gun body is rectangular, and the clamping protrusion and the sealing groove are positioned on the same straight line.

Preferably, the magnetic poles of the two permanent magnets are opposite, and the N pole of the upper permanent magnet is opposite to the S pole of the lower permanent magnet.

Preferably, the displacement plate is cylindrical, and the outer side of the displacement plate is clamped in the movable groove.

Preferably, a groove is formed in the positioning buckle, the communicating block is movably sleeved in the groove of the positioning buckle, and the straight electric wire and the center line of the positioning buckle are positioned on the same straight line.

Preferably, the ring-shaped electric wire is wound from bottom to top.

Preferably, the other end of the expansion bag is fixedly connected with the inner cavity of the gun body, the connection point is close to the movable groove, the expansion bag is circular, and the distance between the expansion bag and the unmoved displacement plate is three centimeters.

The invention has the following beneficial effects:

1. according to the invention, through the designed expansion bag and the displacement plate, when the charging gun is heated in the charging process, air in the sealed charging gun can be subjected to thermal expansion, the expansion bag is expanded, the expansion bag starts to extrude the displacement plate to displace when the internal temperature of the expansion bag rises to be close to 100 ℃, and the communication block is separated from the positioning buckle, so that the overheating self-power-off function of the charging gun is completed, the situations that internal parts are damaged due to overheating of the charging gun, plastic parts deform to cause fire and the like are avoided, and meanwhile, after the charging gun is cooled, the displacement plate can automatically reset again to complete the continuous charging task of the charging gun.

2. According to the invention, through the designed annular electric wire and the designed iron block, the annular electric wire can be matched with the iron block to form the electromagnet when being electrified, meanwhile, through the designed arc-shaped plate and the designed permanent magnet, the permanent magnet can form a repulsive force with the electromagnet when the charging gun is not overheated, so that the arc-shaped plate is buckled at the opening of the gun body, the closed environment of the charging gun is ensured, and meanwhile, after the charging gun is overheated and powered off, the permanent magnet can adsorb the iron block losing magnetic force, so that the arc-shaped plate can open the opening of the gun body to finish rapid heat dissipation, and thus the displacement plate can be rapidly reset.

Drawings

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

FIG. 2 is a schematic diagram of the power-off state structure of the present invention;

FIG. 3 is a partial enlarged view of the structure A in FIG. 2 according to the present invention

FIG. 4 is a schematic view of an arc plate according to the present invention;

FIG. 5 is a schematic diagram of a displacement plate structure according to the present invention.

In the figure: 1. fastening sleeves; 2. a grip; 3. a gun body; 301. closing the groove; 302. a movable groove; 4. a charging head; 5. a leakage protection group; 6. a first spring; 7. a displacement plate; 701. positioning buckles; 8. an electric wire; 9. a straight wire; 901. a communicating block; 10. fixing the rod; 11. a loop wire; 12. an iron block; 13. a second spring; 14. an arc-shaped plate; 141. clamping the bulges; 15. a permanent magnet; 16. the balloon is inflated.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 to 5, a charging gun for a new energy vehicle with high safety includes a fastening sleeve 1, a handle 2 fixedly connected to one end of the fastening sleeve 1, a gun body 3 fixedly connected to one end of the handle 2, the handle 2 being inclined, the gun body 3 being horizontal, a charging head 4 fixedly connected to one end of the gun body 3, and a leakage protection set 5 fixedly connected to one side of an inner cavity of the gun body 3 close to the charging head 4.

The center of the upper side and the lower side of the gun body 3 is provided with an opening which is rectangular, the periphery of the bottom end of the opening is provided with a closed slot 301, four corners of the bottom end of the opening are fixedly connected with a second spring 13, the bottom end of the second spring 13 is fixedly connected with an arc plate 14, so that the up-and-down movement of the arc plate 14 can be kept stable, the condition that the closing fails due to the displacement of the arc plate 14 in the up-and-down movement stage is avoided, the periphery of the arc plate 14 is provided with a clamping protrusion 141, the clamping protrusion 141 and the closed slot 301 are positioned on the same straight line, so that the arc plate 14 can be always clamped in the closed slot 301 under the condition that the circular electric wire 11 is electrified and displaced, thereby the closing of the gun body 3 is completed, the bottom end of the arc plate 14 is fixedly connected with a permanent magnet 15, the N pole of the upper permanent magnet 15 is opposite to the S pole of the lower permanent magnet 15, so that the two permanent magnets 15 are opposite to the iron block 12 and the magnetic poles are always the same after the electromagnets are formed, the iron block 12 can generate mutual exclusion reaction with the relative permanent magnet 15 after forming an electromagnet, so that the permanent magnet 15 pushes the arc-shaped plate 14 to displace, a movable groove 302 is formed in one end of the gun body 3 close to the handle 2, one end in the movable groove 302 is fixedly connected with four uniformly distributed springs 6, the other end of each spring 6 is fixedly connected with a displacement plate 7, the displacement plate 7 is cylindrical, the outer side of the displacement plate 7 is clamped in the movable groove 302, the displacement plate 7 can be influenced by the limit of the movable groove 302 during displacement and always keeps linear motion, the situation that the displacement plate cannot be buckled with the communicating block 901 during resetting due to angular deviation during displacement is avoided, a positioning buckle 701 is arranged at the center of one end of the displacement plate 7, a groove is formed in the positioning buckle 701, an electric wire 8 is fixedly connected to the center of the other end of the displacement plate 7, and the electric wire 8 is fixedly connected with a charging pile, the positioning buckle 701 is movably sleeved with a straight wire 9.

One end of the straight electric wire 9 is fixedly connected with a communicating block 901, the communicating block 901 is movably sleeved in a groove of the positioning buckle 701, the straight electric wire 9 and the center line of the positioning buckle 701 are positioned on the same straight line, when the displacement plate 7 is reset, the communicating block 901 can be always clamped in the groove of the positioning buckle 701, the problem that the communicating block 901 cannot be clamped in the groove in the positioning buckle 701 to cause that the charging gun cannot be continuously charged after being cooled is solved, two sides of the other end of the straight electric wire 9 are fixedly connected with fixing rods 10, the other end of the fixing rods 10 is fixedly connected with an inner cavity of the gun body 3, the same end of the straight electric wire 9 is fixedly connected with an annular electric wire 11, an iron block 12 is wound in the annular electric wire 11, the annular electric wire 11 is wound from bottom to top, the annular electric wire 11 can form an electromagnet with the iron block 12 after being electrified, the upper part of the electromagnet can be an N pole, and the lower part can be an S pole, two magnetic poles of the electromagnet can perform exclusive reaction with two permanent magnets 15, so as to ensure the displacement action of the arc-shaped plate 14, the upper end of the annular electric wire 11 is fixedly connected with the charging head 4, the center of the straight electric wire 9 is fixedly connected with an expansion bag 16, the other end of the expansion bag 16 is fixedly connected with the inner cavity of the gun body 3, the connection point is close to the movable groove 302, the expansion bag 16 is circular, so that the gun body 3 forms two non-communicated spaces through the expansion bag 16, when the gun body 3 is overheated for rapid heat dissipation, dust in the circulating air can not be contacted with the communicating block 901, the subsequent current transmission influenced by the dust infected by the communicating block 901 is avoided, meanwhile, when the gun body 3 is overheated, the air in the gun body 3 can thermally expand and expand the expansion bag 16, so that the expansion bag 16 extrudes the displacement plate 7 to displace the displacement plate 7 towards the direction close to the handle 2, thereby enabling the communicating block 901 to leave the groove in the positioning buckle 701, the charging gun is enabled to finish automatic power off, the distance between the expansion bag 16 and the displacement plate 7 which is not moved is three centimeters, when the temperature in the charging gun rises to be close to one hundred ℃, the expansion degree of the expansion bag 16 begins to extrude the displacement plate 7 due to the thermal expansion volume of the internal air, the charging gun can dissipate heat timely when not overheated, and the damage of internal plastic construction caused by heat dissipation after overheating is avoided.

The use method (working principle) of the invention is as follows:

firstly, a charging gun is taken down from a charging pile and is connected with a charging port of an electric automobile through a charging head 4, current passes through an electric wire 8, a positioning buckle 701, a communicating block 901, a straight electric wire 9, an annular electric wire 11 and the charging head 4 to carry out a charging process of a battery of the electric automobile, at the moment, the annular electric wire 11 and an iron block form an electromagnet, the upper part of the electromagnet is an N pole of a magnetic pole, the lower part of the electromagnet is an S pole of the magnetic pole, two permanent magnets 15 adsorbed on the iron block are repelled with the electromagnet, an arc-shaped plate 14 is lifted, a clamping protrusion 141 is clamped in a closed groove 301, and a closed space is formed in a gun body 3;

then, when the heat dissipation efficiency of the charging gun is low, and the temperature in the charging head 4 and the gun body 3 is overheated due to continuous output of current, the air in the sealed gun body 3 thermally expands, so that the expansion bag 16 expands, the expansion bag 16 extrudes the displacement plate 7, the displacement plate 7 displaces in the direction close to the handle 2, the groove in the positioning buckle 701 is separated from the communication block 901, the subsequent current supply to the annular wire 11 is lost, the iron block 12 gradually loses magnetism, the charging head 4 suspends the charging of the battery, after the iron block 12 loses magnetism, the permanent magnet 15 is adsorbed on the iron block 12, the arc plate 14 is moved inwards, the clamping protrusion 141 leaves the closed groove, the inner cavity of the gun body 3 is communicated with the external space, the thermally expanded air in the inner cavity is rapidly discharged, and the charging gun is rapidly cooled;

finally, when the charging gun is cooled, the first spring 6 drives the displacement plate 7 to reset, so that the groove in the positioning buckle 701 is clamped with the communicating block 901 again, the annular wire 11 obtains continuous current again, and the subsequent charging of the electric automobile is guaranteed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 high new forms of energy car rifle that charges of security, includes the rifle body (3), its characterized in that: the gun comprises a gun body (3), wherein openings are formed in the centers of the upper side and the lower side of the gun body (3), four corners of the bottom end of each opening are fixedly connected with a second spring (13), the bottom end of each second spring (13) is fixedly connected with an arc-shaped plate (14), clamping protrusions (141) are arranged on the periphery of each arc-shaped plate (14), permanent magnets (15) are fixedly connected with the bottom ends of the arc-shaped plates (14), the magnetic poles of the two permanent magnets (15) are opposite, the N pole of each permanent magnet (15) is opposite to the S pole of the corresponding permanent magnet (15) below, a movable groove (302) is formed in one end, close to a handle (2), of the gun body (3), of each movable groove (302), one end of each movable groove (302) is fixedly connected with four uniformly distributed first springs (6), a displacement plate (7) is fixedly connected with the other end of each first spring (6), a positioning buckle (701) is arranged at the center of one end of each displacement plate (7), a straight wire (9) is movably sleeved with each positioning buckle (701), a straight wire (9) is fixedly connected with a communicating block (901) at one end of each straight wire (9), the other end of each straight wire (9) is fixedly connected with an annular wire (11), an annular wire (11) is fixedly connected with the annular wire (11), an expanded wire (12) is fixedly connected with each straight wire (8), and an expanded wire (12) is wound around the straight wire (7), and an annular wire (8) is connected with the wire (8) and a straight wire block (8) is connected with the straight wire (8), the electric wire (8) and the charging pile are fixedly connected, fixing rods (10) are fixedly connected to two sides of the other end of the straight electric wire (9), the other end of each fixing rod (10) is fixedly connected with an inner cavity of the gun body (3), a groove is formed in the positioning buckle (701), the communicating block (901) is movably sleeved in the groove of the positioning buckle (701), and the straight electric wire (9) and the center line of the positioning buckle (701) are located on the same straight line.

2. The high new energy car of security rifle that charges of claim 1, its characterized in that: the utility model discloses a rifle body, including the rifle body, the one end fixedly connected with of the rifle body (3) charges head (4), rifle body (3) inner chamber is close to one side fixedly connected with earth-leakage protection group (5) that charges head (4), the other end fixedly connected with handle (2) of the rifle body (3), the bottom fixedly connected with adapter sleeve (1) of handle (2), handle (2) are the slope form, the rifle body (3) are the level form.

3. The high new energy car of security rifle that charges of claim 1, its characterized in that: the opening on the gun body (3) is rectangular, and the clamping protrusion (141) and the closed groove (301) are positioned on the same straight line.

4. The high new energy car of security rifle that charges of claim 1, its characterized in that: the displacement plate (7) is cylindrical, and the outer side of the displacement plate (7) is clamped in the movable groove (302).

5. The high new forms of energy car rifle that charges of security according to claim 1, characterized in that: the annular electric wire (11) is encircled from bottom to top.

6. The high new forms of energy car rifle that charges of security according to claim 1, characterized in that: the other end of the expansion bag (16) is fixedly connected with the inner cavity of the gun body (3), the connection point is close to the movable groove (302), the expansion bag (16) is circular, and the distance between the expansion bag (16) and the unmoved displacement plate (7) is three centimeters.