CN110970771B

CN110970771B - Charging gun, charging seat and vehicle

Info

Publication number: CN110970771B
Application number: CN201811160671.9A
Authority: CN
Inventors: 王洪军; 薛伟光; 黄红艳; 武云龙; 林介森
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2018-09-30
Filing date: 2018-09-30
Publication date: 2021-05-14
Anticipated expiration: 2038-09-30
Also published as: CN110970771A

Abstract

The utility model relates to a rifle, charging seat and vehicle charge, the rifle that charges is including the rifle main part that charges and the joint that charges, the joint that charges includes first metal shielding cover, first filler and a plurality of first pin, first metal shielding cover surrounds a plurality of first pins, first filler sets up in first metal shielding cover, first pin protrusion in first filler, first metal shielding cover ground connection, first metal shielding cover is used for pegging graft with the second metal shielding cover of charging seat, a plurality of first pins are used for pegging graft with a plurality of second pins of charging seat, in order to realize the electric connection of rifle and charging seat of charging. The metal shielding sleeve wraps the outer side of the pin, so that the power line can be effectively electromagnetically shielded in the charging process, and the charging efficiency is improved; through adopting the metal shielding cover to replace the earth connection pin, can increase area of earthing, improve the ground effect, guarantee the security of charging.

Description

Charging gun, charging seat and vehicle

Technical Field

The present disclosure relates to a charging gun and a charging seat for the charging gun.

Background

With the rise of pure electric vehicles, charging guns are more and more in types, and the existing charging guns mainly stand out in structure and process, and pay little attention to electromagnetic radiation caused in the charging process and external electromagnetic radiation. All power lines in the existing charging gun are not wrapped by shielding layers, so that the electromagnetic radiation is easy to exceed the standard in the charging process, and the normal charging of a vehicle is influenced in serious cases. Moreover, cables in the existing charging gun are unreasonably distributed, all communication lines are distributed above a power line, the wire diameter of each communication line is small, the communication lines are uneven in stress, communication signal interruption is easy to occur, and normal charging of a vehicle is affected. In addition, the existing charging gun is provided with an independent grounding wire pin for being connected with the grounding wire pin on the charging seat, and the mode has the defects of small grounding area and poor grounding effect.

Disclosure of Invention

An object of this disclosure is to provide a rifle that charges, this rifle ground connection is effectual and can realize the electromagnetic shield function in the charging process.

In order to achieve the above object, the present disclosure provides a charging gun for cooperating with a charging seat, the charging gun includes a charging gun main body and a charging connector, the charging connector includes a first metal shielding sleeve, a first filler, and a plurality of first pins, the first metal shielding sleeve surrounds the plurality of first pins, the first filler is disposed in the first metal shielding sleeve, the first pin protrudes out of the first filler, the first metal shielding sleeve is grounded, the first metal shielding sleeve is used for being plugged with a second metal shielding sleeve of the charging seat, the plurality of first pins are used for being plugged with a plurality of second pins of the charging seat, so as to achieve the charging gun being electrically connected with the charging seat.

Optionally, the outer end of the first pin and the edge of the first metal shielding sleeve are located on the same plane.

Optionally, the first metal shielding sleeve includes a first annular side wall, the first annular side wall is of a double-layer structure and includes an inner layer wall, an outer layer wall and a plurality of inserts, a gap is formed between the outer layer wall and the inner layer wall, the plurality of inserts are distributed along the circumferential direction of the first metal shielding sleeve and are located between the outer layer wall and the inner layer wall, and the plurality of inserts are used for being plugged into the plurality of slots distributed along the circumferential direction on the second metal shielding sleeve in a one-to-one correspondence manner.

Optionally, the first metal shielding sleeve further includes a first bottom wall, the first annular side wall is formed around the first bottom wall, a plurality of first cables are arranged in the charging gun body, the plurality of first cables penetrate through the first bottom wall, the first filler fills gaps between the plurality of first cables, the plurality of first pins correspond to the plurality of first cables one to one, and each first pin is led out from the corresponding first cable.

Optionally, the charging gun further comprises a locking mechanism, wherein the locking mechanism comprises an elastic locking part for locking the first metal shielding sleeve and the second metal shielding sleeve with each other.

Optionally, the locking mechanism further includes an operation switch disposed on an outer surface of the charging gun body, the operation switch being linked with the elastic locking portion.

Optionally, the insert block includes a first insert block and a second insert block, the first insert block has a cavity, the elastic locking portion is disposed in the cavity, the elastic locking portion can be driven by the operating switch to move into the slot corresponding to the first insert block so as to be clamped with the second metal shielding sleeve.

Optionally, the elastic locking portion comprises an elastic sheet and clamping balls connected to two ends of the elastic sheet, the operating switch is connected to the middle of the elastic sheet, the slot comprises a first slot and a second slot, the first slot corresponds to the first insertion block, and pits for the clamping balls to be clamped are formed in two sides of the first slot.

Optionally, the locking mechanism further comprises a spring, one end of the spring is connected with the operating switch, and the other end of the spring is connected with the middle of the elastic sheet.

Optionally, the material of the first metal shielding sleeve is tin-plated pure copper.

Optionally, the charging gun further comprises a first insulating sheath, the first insulating sheath wrapping the first metal shielding sleeve and the charging gun body.

Optionally, the plurality of first pins comprises a plurality of power line pins and at least one communication line pin, the plurality of power line pins enclosing the at least one communication line pin.

Optionally, the number of the power line pins is four, and the number of the communication line pins is two.

Optionally, have many first cables in the rifle main part that charges, a plurality of first pins with many first cable one-to-one, every first pin draws out from the first cable that corresponds, many first cables include power cord and communication line, the power cord includes power cord sinle silk and parcel the power cord insulating layer of power cord sinle silk, the communication line includes communication sinle silk and parcel the communication line insulating layer of communication sinle silk, the power sinle silk with the material of communication sinle silk is tin-plated soft copper, the material of power cord insulating layer is ethylene propylene rubber, the material of communication line insulating layer is polyethylene.

In the charging gun disclosed by the invention, the metal shielding sleeve is wrapped outside the pin, so that the power line can be effectively electromagnetically shielded in the charging process, and the charging efficiency is improved; through adopting the metal shielding cover to replace the earth connection pin, can increase area of earthing, improve the ground effect, guarantee the security of charging.

Another object of the present disclosure is to provide a charging base, which has a good grounding effect and can achieve an electromagnetic shielding function during the charging process of a charging gun.

In order to achieve the above object, the present disclosure provides a charging seat for cooperating with a charging gun, the charging seat includes a second metal shielding sleeve, a second filler, and a plurality of second pins, the second metal shielding sleeve surrounds the plurality of second pins, the second filler is disposed in the first metal shielding sleeve to fill a gap between the plurality of second pins, the second metal shielding sleeve is grounded, the second metal shielding sleeve is used for plugging the first metal shielding sleeve of the charging gun, the plurality of second pins are used for plugging the plurality of first pins of the charging gun, so as to realize the charging gun is electrically connected with the charging seat.

Optionally, the outer end of the second pin, the end surface of the second filler, and the edge of the second metal shielding sleeve are located on the same plane.

Optionally, the second metal shielding sleeve includes a second bottom wall and a second annular sidewall formed around the second bottom wall, the charging seat includes a plurality of second cables, the plurality of second cables pass through the second bottom wall, the plurality of second pins correspond to the plurality of second cables one to one, and each second pin is led out from the corresponding second cable.

Optionally, a gap is formed between an inner circumferential surface of the second metal shielding sleeve and an outer circumferential surface of the second filler, and a plurality of slots distributed along the circumferential direction are formed in the second metal shielding sleeve and extend parallel to the axial direction of the second metal shielding sleeve.

Optionally, the charging stand further includes a second insulating sheath surrounding the second metal shielding sleeve, and a gap is formed between an inner circumferential surface of the second insulating sheath and an outer circumferential surface of the second metal shielding sleeve.

Optionally, the plurality of second pins comprises a plurality of power line pins and at least one communication line pin, the plurality of power line pins enclosing the at least one communication line pin.

The present disclosure also provides a vehicle having a charging gun or charging dock as described above.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a perspective view of a charging gun according to an embodiment of the present disclosure;

fig. 2 is a front view of a charging joint in a charging gun according to an embodiment of the present disclosure;

fig. 3 is a perspective view of a charging dock of an embodiment of the present disclosure;

fig. 4 is a front view of a charging dock of an embodiment of the present disclosure;

fig. 5 is a schematic diagram showing a plug-in fit of a charging gun of an embodiment of the present disclosure and a charging stand of an embodiment of the present disclosure in a sectional view, wherein an arrow R represents an insertion direction of the charging stand;

fig. 6 and 7 are operation diagrams of a locking mechanism in a charging gun according to an embodiment of the present disclosure, in which the state shown in fig. 6 is an unlocked state, and the state shown in fig. 7 is a locked state.

Description of the reference numerals

Charging gun 100

Charging stand 200

Charging gun body 12

Charging connector 14

First pin 122

Second lead 222

Power line pins

1221, 2221

Communication line pins

1222, 2222

First cable 132

Second cable 232

First metal shielding sleeve 152

Second metal shielding 252

First annular sidewall 1520

Second annular sidewall 2520

First bottom wall 1524

Second bottom wall 2524

Inner wall 1521

Outer wall 1522

First insert 1523

Second insert 1524

First slot 2523

Second slot 2524

Operation switch 160

Linkage shaft 162

Spring 164

Spring plate 166

Ball 168

Pit 268

First insulating sheath 172

Second insulating sheath 272

First filler 182

Second filler 282

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

As shown in fig. 1 to 7, the present disclosure provides a charging gun 100 on one hand and a charging stand 200 cooperating with the charging gun 100 on the other hand. The charging gun 100 may be fixedly or detachably connected to the charging pile, and the charging stand 200 may be fixedly or detachably mounted to the electric vehicle. The electric vehicle can be an electric automobile, an electric bicycle and the like.

As shown in fig. 1, 2 and 5, the charging gun 100 includes a charging gun body 12 and a charging connector 14, the charging gun body 12 has a plurality of first cables 132 and a ground wire therein, the charging connector 14 includes a first metal shielding sleeve 152, a first filler 182, and a plurality of first pins 122, the plurality of first pins 122 are in one-to-one correspondence with the plurality of first cables 132, each first pin 122 is led out from the corresponding first cable 132, the first metal shielding sleeve 152 surrounds the plurality of first pins 122, the first filler 182 is disposed in the first metal shielding sleeve 152, the first pins 122 protrude out of the first filler 182, and the first metal shielding sleeve 152 is connected to the ground wire.

As shown in fig. 3, 4 and 5, the charging cradle 200 includes a second metal shielding sleeve 252, a second filler 282, a plurality of second cables 232, a plurality of second pins 222, and a ground wire, the plurality of second pins 222 correspond to the plurality of second cables 232 one to one, each second pin 222 is led out from the corresponding second cable 232, the second metal shielding sleeve 252 surrounds the plurality of second pins 222, the second filler 282 is disposed in the first metal shielding sleeve 152 to fill gaps between the plurality of second pins 222, and the second metal shielding sleeve 252 is connected to the ground wire of the charging cradle 200.

As shown in fig. 5, when the charging gun 100 is plugged into the charging stand 200, the first metal shielding sleeve 152 is plugged into the second metal shielding sleeve 252, and the first pin 122 is plugged into the second pin 222, so as to electrically connect the charging gun 100 and the charging stand 200.

In the charging gun 100 disclosed by the invention, the metal shielding sleeve is wrapped outside the pin, so that the power line can be effectively electromagnetically shielded in the charging process, and the charging efficiency is improved; through adopting the metal shielding cover to replace the earth connection pin, can increase area of earthing, improve the ground effect, guarantee the security of charging.

In the present disclosure, the charging connector 14 of the charging gun 100 is a male connector, the charging seat 200 is a female connector, and the first pin 122 and the first metal shielding sleeve 152 are both protruded from the first filler 182.

In one embodiment, as shown in fig. 1 and 5, the outer end of the first lead 122 is in the same plane as the edge of the first metal shielding sleeve 152. However, the disclosure is not limited thereto, and in other embodiments, the outer end of the first pin 122 may not be coplanar with the edge of the first metal shielding sleeve 152, for example, the outer end of the first pin 122 may protrude from the edge of the first metal shielding sleeve 152, or the edge of the first metal shielding sleeve 152 may protrude from the outer end of the first pin 122.

In one embodiment, as shown in fig. 3 and 5, the outer end of the second lead 222, the end surface of the second filler 282, and the edge of the second metal shielding 252 are located in the same plane. However, the disclosure is not limited thereto, and in other embodiments, the edge of the second metal shielding sleeve 252 may protrude out of the end surface of the second filler 282, or the end surface of the second filler 282 may protrude out of the edge of the first metal shielding sleeve 152.

In the present disclosure, the first metal shielding sleeve 152 and the second metal shielding sleeve 252 may have any suitable structure as long as the two can be inserted and matched, and the first metal shielding sleeve 152 and the second metal shielding sleeve 252 can be inserted to realize connection of the ground wire during charging, so as to realize connection of the charging gun and the charging stand.

In one embodiment, as shown in fig. 1, 2 and 5, the first metal shielding sleeve 152 includes a first annular sidewall 1520, the first annular sidewall 1520 is of a double-layer structure and includes an inner layer wall 1521, an outer layer wall 1522, and a plurality of inserts, a gap is provided between an inner circumferential surface of the outer layer wall 1522 and an outer circumferential surface of the inner layer wall 1521, the plurality of inserts are distributed along a circumferential direction of the first metal shielding sleeve 152 and are located between the outer layer wall 1522 and the inner layer wall 1521, and each insert connects the inner layer wall 1521 and the outer layer wall 1522. Correspondingly, as shown in fig. 3, 4 and 5, a gap is formed between the inner circumferential surface of the second metal shielding sleeve 252 and the outer circumferential surface of the second filler 282, and a plurality of slots distributed along the circumferential direction of the second metal shielding sleeve 252 are formed on the second metal shielding sleeve 252, and the slots extend in a direction parallel to the axial direction of the second metal shielding sleeve 252.

When the charging gun 100 is inserted into the charging stand 200, the insertion block of the first metal shielding sleeve 152 is inserted into the insertion slot of the second metal shielding sleeve 252, so that the second metal shielding sleeve 252 is clamped between the outer wall 1522 and the inner wall 1521 of the first metal shielding sleeve 152, the inner circumferential surface of the second metal shielding sleeve 252 is attached to the outer circumferential surface of the inner wall 1521, the outer circumferential surface of the second metal shielding sleeve 252 is attached to the inner circumferential surface of the outer wall 1522, and the first pin 122 is inserted into the second pin 222, thereby achieving the electrical connection between the charging gun 100 and the charging stand 200.

The first metal shielding sleeve 152 and the second metal shielding sleeve 252 have the following advantages by adopting the structure: firstly, the charging gun 100 is tightly combined and firmly connected, and cannot shake after being plugged and is not easy to be separated from the charging seat 200; second, the double-walled structure of first metal shielding cover 152 can improve electromagnetic shield effect, and specifically, outer wall 1522 can prevent that outside electromagnetic signal from causing the interference to the rifle 100 that charges inside, and inlayer wall 1521 can prevent to charge the rifle 100 inside electromagnetic signal and cause the interference to the external world.

To facilitate mounting of the first metallic shielding sleeve 152 to the charging gun body 12, in one embodiment, as shown in fig. 5, the first metallic shielding sleeve 152 further includes a first bottom wall 1524, a first annular side wall 1520 is formed around the first bottom wall 1524, the first annular side wall 1520 extends from an edge of the first bottom wall 1524 substantially perpendicular to the first bottom wall 1524 such that the first metallic shielding sleeve 152 is formed substantially as a U-shaped hood-like structure, the plurality of first cables 132 pass through the first bottom wall 1524, and the first filler 182 fills gaps between the plurality of first cables 132.

Similarly, in one embodiment, as shown in fig. 5, second metallic shielding sleeve 252 includes a second bottom wall 2524 and a second annular sidewall 2520 formed around second bottom wall 2524, second annular sidewall 2520 extending from an edge of second bottom wall 2524 substantially perpendicular to second bottom wall 2524 such that second metallic shielding sleeve 252 is formed substantially as a U-shaped cap-like structure, with the plurality of second cables 232 passing through second bottom wall 2524.

The first metallic shielding sleeve 152 and the second metallic shielding sleeve 252 may be made of any suitable type of conductive metallic material. Preferably, the first metal shielding sleeve 152 and the second metal shielding sleeve 252 may be tin-plated pure copper material, which has high transmission performance, low impedance and good shielding effect.

To make the first metallic shielding sleeve 152 and the second metallic shielding sleeve 252 in good and stable contact, in one embodiment, the charging gun 100 further includes a locking mechanism for locking the first metallic shielding sleeve 152 and the second metallic shielding sleeve 252. Specifically, as shown in fig. 1, 6 and 7, the locking mechanism includes an operation switch 160 and an elastic locking portion interlocked with the operation switch 160, the operation switch 160 being provided on an outer surface of the charging gun 100 for manual operation, the elastic locking portion being used to lock the first metallic shielding case 152 and the second metallic shielding case 252 to each other.

In one embodiment, as shown in fig. 2, the insert block includes a first insert block 1523 and a second insert block 1524, wherein, as shown in fig. 6 and 7, the first insert block 1523 has a cavity in which the resilient latch portion is disposed. As shown in fig. 4, the slots include a first slot 2523 and a second slot 2524, wherein the first slot 2523 corresponds to the first plug 1523 for the first plug 1523 to be inserted into. The elastic locking portion can be driven by the operating switch 160 to move from the cavity into the first slot 2523, so as to be clamped with the second metal shielding sleeve 252, thereby realizing the mutual locking of the first metal shielding sleeve 152 and the second metal shielding sleeve 252.

Here, the elastic locking portion may have any suitable structure as long as the two metal shielding sleeves can be locked with each other by elastic deformation of the elastic locking portion.

In one embodiment, as shown in fig. 6 and 7, the elastic locking portion includes a spring piece 166 and a ball 168 connected to both ends of the spring piece 166, the operation switch 160 is directly or indirectly connected to the middle of the spring piece 166 through an intermediate structure, and hemispherical recesses 268 for the ball 168 to be inserted are formed at both sides of the first slot 2523. As shown in fig. 6, when the operating switch 160 is in the closed position, the ball 168 is located in the cavity of the first insert 1523, and the elastic piece 166 is bent into a V shape due to the limitation of the cavity; as shown in fig. 7, when the operating switch 160 is pushed to move to the open position, the elastic piece 166 is driven by the operating switch 160 to move from the cavity of the first plug block 1523 into the first slot 2523, during this process, the elastic piece 166 is unfolded into a straight line due to its own elasticity, and the detent ball 168 is snapped into the recesses 268 on both sides of the first slot 2523, so as to realize the snap locking of the two metal shielding sleeves.

Further, as shown in fig. 6 and 7, the locking mechanism may further include a linkage shaft 162 and a spring 164, one end of the linkage shaft 162 is connected to the operation switch 160, the other end of the linkage shaft 162 is connected to one end of the spring 164, and the other end of the spring 164 is connected to a middle portion of the spring plate 166. By connecting the linkage shaft 162 and the elastic sheet 166 through the spring 164, the flexibility of deformation of the middle position of the elastic sheet 166 can be ensured.

In other embodiments, a sheet member may be used instead of the ball 168, and accordingly, a slot may be used instead of the hemispherical recess 268, which also serves to make the two metal shielding sleeves contact well and stably.

If the charging gun 100 and the charging base 200 are in poor contact, the charging will be interrupted, so that the voltage is unstable and the charging gun 100 and the charging base 200 are easily damaged. Moreover, if the two metal shielding sleeves are in poor contact, the grounding effect cannot be achieved, and the charging safety is reduced. In addition, the charging gun 100 and the charging stand 200 have poor contact, which causes problems of long charging time, incapability of charging, and the like. Through setting up above-mentioned locking structure, not only can guarantee that two metal shielding cover contact well, also can guarantee simultaneously that the first pin 122 on the rifle 100 that charges contacts well with the second pin 222 on the charging seat 200 to avoid appearing above-mentioned problem.

In one embodiment, the first insert 1523 is a hollow structure and the second insert 1524 is a solid structure.

The present disclosure does not limit the number of first insert blocks 1523 and second insert blocks 1524. In one embodiment, as shown in fig. 2, there are one first insert 1523 and three second inserts 1524.

In one embodiment, as shown in fig. 1, 2 and 5, the charging gun 100 further includes a first insulating sheath 172, the first insulating sheath 172 encasing the first metallic shielding sleeve 152 and the charging gun body 12. All structures inside the charging gun 100 are wrapped by using the insulating sheath, so that the use safety of the charging gun 100 can be improved.

Similarly, as shown in fig. 3, 4 and 5, the charging stand 200 may further include a second insulating sheath 272, the second insulating sheath 272 surrounds the second metal shielding sheath 252, and a gap is formed between an inner circumferential surface of the second insulating sheath 272 and an outer circumferential surface of the second metal shielding sheath 252 for inserting the outer wall 1522 of the first metal shielding sheath 152.

Preferably, the first insulating sheath 172 and the second insulating sheath 272 may be made of flame retardant polyurethane, which has low thermal conductivity, good thermal property, high moisture resistance and water resistance, fire resistance, flame retardancy, high temperature resistance, excellent heat insulation property, strong deformation resistance, freeze-thaw resistance, cracking resistance, and safe use.

In one embodiment, as shown in fig. 2, the plurality of first pins 122 includes a plurality of power line pins 1221 and at least one communication line pin 1222, the plurality of power line pins 1221 surrounds the at least one communication line pin 1222, that is, the at least one communication line pin 1222 is uniformly distributed among the plurality of power line pins 1221, and the plurality of power line pins 1221 is uniformly distributed around the at least one communication line pin 1222. By the pin arrangement, all the power line pins 1221 are uniformly stressed, and the communication line pins 1222 are hardly stressed, so that the communication line pins 1222 can be effectively protected, interruption of communication signals can be avoided, and the charging efficiency of the charging gun 100 can be improved.

Correspondingly, as shown in fig. 4, the plurality of second pins 222 includes a plurality of power line pins 2221 and at least one communication line pin 2222, the plurality of power line pins 2221 surround the at least one communication line pin 2222, that is, the at least one communication line pin 2222 is uniformly distributed among the plurality of power line pins 2221, and the plurality of power line pins 2221 is uniformly distributed around the at least one communication line pin 2222.

Specifically, in one embodiment, as shown in fig. 2, the number of power line pins 1221 is four, the number of communication line pins 1222 is two, the four power line pins 1221 are arranged in a square, and the two communication line pins 1222 are distributed in the center of the square. Three of the four power line pins 1221 are phase line pins, and the remaining one is a neutral line pin.

Correspondingly, as shown in fig. 4, the number of the power line pins 2221 is four, the number of the communication line pins 2222 is two, the four power line pins 2221 are arranged in a square, and the two communication line pins 2222 are distributed in the center of the square. Three of the four power line pins 2221 are phase line pins and the remaining one is a neutral line pin.

Correspondingly, the plurality of first cables 132 and the plurality of second cables 232 each include a power line and a communication line, the power line includes a power line core and a power line insulating layer wrapping the power line core, and the communication line includes a communication line core and a communication line insulating layer wrapping the communication line core.

In one embodiment, the selected material of the power wire core and the communication wire core is tin-plated soft copper. The material can prevent the wire core from oxidation-reduction reaction, increase heat dissipation and improve conductivity, and can make the cable flexible and easy to bend, thereby increasing the safety performance of the charging gun 100 in a charging state.

In one embodiment, the insulating layer of the power line is made of ethylene propylene rubber, which has good moisture resistance and heat resistance, low thermal expansion rate and high structural stability.

In one embodiment, the insulating layer of the communication line is made of polyethylene, which has good low temperature resistance, electrical insulation and water absorption, but inferior in heat and aging resistance compared with ethylene propylene rubber, but the communication line is suitable for use with polyethylene material because of low current and low heat generation during charging, and the communication line is cost-saving.

In one embodiment, the first filler 182 and the second filler 282 are made of a flame retardant and non-moisture material, which can prevent over-temperature during charging, protect the cable from over-temperature, and prolong the service life of the cable.

To sum up, this disclosed rifle that charges can reduce manufacturing cost through adopting the metal shielding cover to replace the earth connection pin, and this metal shielding cover can improve ground effect moreover, when there is the electric leakage phenomenon in the vehicle charging process, can provide safety protection to personnel and equipment fast to play the effect of electromagnetic shield in the charging process, improve the whole charging efficiency of rifle that charges.

The present disclosure further provides a vehicle, wherein the vehicle is provided with the charging seat as described above, so as to be in butt joint with the charging gun, thereby realizing charging of the vehicle.

The present disclosure further provides a vehicle, wherein the vehicle is provided with the charging gun as described above, so as to be docked with the charging dock, thereby realizing charging of the vehicle.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. A charging gun for matching with a charging stand, characterized in that the charging gun (100) comprises a charging gun main body (12) and a charging connector (14), the charging connector (14) comprises a first metal shielding sleeve (152), a first filler (182) and a plurality of first pins (122), the first metal shielding sleeve (152) surrounds the plurality of first pins (122), the first filler (182) is arranged in the first metal shielding sleeve (152), the first pins (122) protrude from the first filler (182), the first metal shielding sleeve (152) is grounded, the first metal shielding sleeve (152) is used for being plugged with a second metal shielding sleeve (252) of the charging stand (200), the plurality of first pins (122) are used for being plugged with a plurality of second pins (222) of the charging stand (200) to realize the electrical connection between the charging gun (100) and the charging stand (200), first metal shielding cover (152) includes first annular lateral wall (1520), first annular lateral wall (1520) are bilayer structure and include inlayer wall (1521), outer wall (1522) and a plurality of inserted block, outer wall (1522) with have the clearance between inlayer wall (1521), a plurality of inserted blocks are followed the circumference of first metal shielding cover (152) distributes and is located outer wall (1522) with between the inlayer wall (1521), a plurality of inserted blocks be used for with a plurality of slots one-to-one grafting along circumference distribution on second metal shielding cover (252).

2. The charging gun according to claim 1, characterized in that the outer end of the first pin (122) is in the same plane as the edge of the first metallic shielding sleeve (152).

3. The charging gun of claim 1, wherein the first metallic shielding sleeve (152) further comprises a first bottom wall (1524), the first annular side wall (1520) is formed around the first bottom wall (1524), the charging gun body (12) has a plurality of first cables (132) therein, the plurality of first cables (132) pass through the first bottom wall (1524), the first filler (182) fills gaps between the plurality of first cables (132), the plurality of first pins (122) are in one-to-one correspondence with the plurality of first cables (132), and each first pin (122) is led out from the corresponding first cable (132).

4. The charging gun according to claim 1, characterized in that the charging gun (100) further comprises a locking mechanism comprising a resilient locking portion for locking the first metallic shielding sleeve (152) and the second metallic shielding sleeve (252) to each other.

5. The charging gun according to claim 4, characterized in that the locking mechanism further comprises an operation switch (160) provided on an outer surface of the charging gun main body (12), the operation switch (160) being interlocked with the elastic locking portion.

6. The charging gun according to claim 5, characterized in that the insert block comprises a first insert block (1523) and a second insert block (1524), the first insert block (1523) has a cavity, the elastic locking portion is disposed in the cavity, and the elastic locking portion can be moved from the cavity into a slot corresponding to the first insert block (1523) to be clamped with the second metal shielding sleeve (252) under the driving of the operating switch (160).

7. The charging gun according to claim 6, wherein the elastic locking portion comprises a spring piece (166) and a ball (168) connected to two ends of the spring piece (166), the operating switch (160) is connected to the middle of the spring piece (166), the slot comprises a first slot (2523) and a second slot (2524), the first slot (2523) corresponds to the first plug block (1523), and recesses (268) for the ball (168) to be inserted into are formed on two sides of the first slot (2523).

8. The charging gun according to claim 7, wherein the locking mechanism further comprises a spring (164), and one end of the spring (164) is connected to the operation switch (160) and the other end is connected to a middle portion of the resilient piece (166).

9. Charging gun according to claim 1, characterized in that the material of the first metallic shielding sleeve (152) is tin-plated pure copper.

10. The charging gun according to claim 1, characterized in that the charging gun (100) further comprises a first insulating sheath (172), the first insulating sheath (172) encasing the first metallic shielding sheath (152) and the charging gun body (12).

11. The charging gun according to claim 1, wherein the plurality of first pins (122) comprises a plurality of power line pins (1221) and at least one communication line pin (1222), the plurality of power line pins (1221) surrounding the at least one communication line pin (1222).

12. The charging gun according to claim 11, wherein the number of the power line pins (1221) is four, and the number of the communication line pins (1222) is two.

13. The charging gun according to claim 1, wherein a plurality of first cables (132) are arranged in the charging gun body (12), the plurality of first pins (122) are in one-to-one correspondence with the plurality of first cables (132), each first pin (122) is led out from the corresponding first cable (132), the plurality of first cables (132) comprise a power line and a communication line, the power line comprises a power line core and a power line insulating layer wrapping the power line core, the communication line comprises a communication line core and a communication line insulating layer wrapping the communication line core, the power line core and the communication line core are made of tinned soft copper, the power line insulating layer is made of ethylene propylene rubber, and the communication line insulating layer is made of polyethylene.

14. A charging stand for cooperating with a charging gun, wherein the charging stand (200) comprises a second metal shielding sleeve (252), a second filler (282), and a plurality of second pins (222), the second metal shielding sleeve (252) surrounds the plurality of second pins (222), the second filler (282) is disposed in the second metal shielding sleeve (252) to fill gaps between the plurality of second pins (222), the second metal shielding sleeve (252) is grounded, the second metal shielding sleeve (252) is inserted into a first metal shielding sleeve (152) of the charging gun (100), the plurality of second pins (222) is inserted into a plurality of first pins (122) of the charging gun (100) to electrically connect the charging gun (100) and the charging stand (200), a gap is formed between an inner peripheral surface of the second metal shielding sleeve (252) and an outer peripheral surface of the second filler (282), a plurality of insertion grooves distributed along the circumferential direction are formed in the second metal shielding sleeve (252), and the insertion grooves extend in parallel to the axial direction of the second metal shielding sleeve (252).

15. The charging cradle according to claim 14, wherein the outer end of the second pin (222), the end surface of the second filler (282), and the edge of the second metal shielding case (252) are located on the same plane.

16. The charging cradle according to claim 14, wherein the second metal shielding sleeve (252) comprises a second bottom wall (2524) and a second annular side wall (2520) formed around the second bottom wall (2524), the charging cradle (200) comprises a plurality of second cables (232), the plurality of second cables (232) pass through the second bottom wall (2524), the plurality of second pins (222) are in one-to-one correspondence with the plurality of second cables (232), and each second pin (222) is led out from the corresponding second cable (232).

17. The charging cradle according to claim 14, wherein the charging cradle (200) further comprises a second insulating sheath (272), the second insulating sheath (272) surrounding the second metal shielding sheath (252), an inner circumferential surface of the second insulating sheath (272) having a gap with an outer circumferential surface of the second metal shielding sheath (252).

18. The cradle of claim 14, wherein the plurality of second pins (222) comprises a plurality of power line pins (2221) and at least one communication line pin (2222), the plurality of power line pins (2221) surrounding the at least one communication line pin (2222).

19. The cradle according to claim 18, wherein the number of the power line pins (2221) is four, and the number of the communication line pins (2222) is two.

20. A vehicle, characterized in that it has a charging gun according to any one of claims 1-13 or a charging cradle according to any one of claims 14-19.