TWI603546B - Charging gun and charing connector - Google Patents

Description

Charging gun and charging connector

The present invention relates to a connector and a charging gun having the connector.

In addition to the side wall for protection and positioning, the connecting end of the charging gun is provided with a plurality of pin pins in the middle of the side wall. When the charging gun is inserted into the charging base through the connecting end thereof, the frictional force between the charging gun and the charging base is large due to the large contact area between the charging gun and the charging base, and it is difficult to insert and remove. In addition, if dust, sand, etc. fall into the connection end of the charging gun or the charging stand, the charging gun is also difficult to insert and remove.

In view of the above, it is necessary to provide a pluggable charging gun and a charging connector having the charging gun to solve the above problems.

The present invention provides a charging gun for mating with a charging stand, the charging gun including a connecting wire and a charging connector at one end of the connecting wire; the charging connector includes a side wall and is disposed on the side a plurality of first pins on the inner side of the wall, the plurality of first pins being used for plugging with the second pin of the charging stand to realize electrical connection between the charging gun and the charging stand, wherein the side wall of the charging connector The outer diameter of the side wall of the charging joint is smaller than the inner diameter of the side wall of the charging socket. The height of the protrusion is equal to the inner diameter of the side wall of the charging stand. The difference in the radius of the outer diameter of the side wall of the charging gun.

The invention also provides a charging connector comprising a charging stand and a charging gun. The charging gun includes a connecting wire and a charging connector at one end of the connecting wire; the charging connector includes a side wall and a plurality of first pins disposed on the inner side of the side wall, and the plurality of first pins are used for The second pin of the charging base is inserted to realize electrical connection between the charging gun and the charging base, wherein the outer diameter of the side wall of the charging connector is smaller than the inner diameter of the side wall of the charging base with which the charging is matched, the charging The outer side of the side wall of the joint is provided with a plurality of protrusions, the height of the protrusion being equal to the difference in radius between the inner diameter of the side wall of the charging stand and the outer diameter of the side wall of the charging gun.

1 is a schematic structural view of a charging gun and a charging stand in an embodiment of the present invention.

2 is a schematic view showing the structure of a charging gun and a charging stand in another direction in an embodiment of the present invention.

Fig. 3 is a view showing the state of use of the charging gun and the charging stand in an embodiment of the present invention.

Figure 4 is a cross-sectional view of Figure 3 in the IV-IV direction.

FIG. 1 is a schematic structural view of a charging gun 100 and a charging stand 200 according to an embodiment of the present invention. The charging gun 100 can be fixedly or separately connected to a charging post (not shown). The charging stand 200 can be fixedly or separately mounted on an electric vehicle (not shown). The electric vehicle may be an electric car, an electric bicycle, or the like.

The charging gun 100 includes a connecting wire 10 and a charging connector 12 at one end of the connecting wire 10. The connecting wire 10 is used for connecting to the charging pile. For example, the other end of the connecting line 10 may have a plug so as to be pluggably connected to the charging post, and the other end of the connecting line 10 may also extend into the charging post by the connection structure in the charging post. The charging piles are connected. It should be noted that, in order to make the picture simple, the connecting line 10 in FIGS. 1 to 3 omits part of the cable.

The charging connector 12 includes a sidewall 120 and a plurality of first pins 122 disposed on a side of the sidewall 120. The plurality of first pins 122 includes a power positive pin 1221, a power negative pin 1222, a charging connection confirmation pin 1223, a charging communication pin 1224, a low voltage auxiliary power positive pin 1225, a low voltage auxiliary power negative pin 1226, and Device ground pin 1227. The power positive pin 1221 and the power negative pin 1222 are used to access a charging voltage. The charging communication pin 1224 is for communicating with the charging dock 200 during charging to perform control during charging. The low voltage auxiliary power positive pin 1225 and the low voltage auxiliary power negative pin 1226 are used to receive a low voltage auxiliary power supply voltage for auxiliary power supply during charging. The device ground pin 1227 is used to connect to a common ground.

In this embodiment, the plurality of first pins 122 are female pins, and each of the first pins 122 has a plug cavity 124 and a pin 126 located in the plug cavity 124. In other embodiments, the plurality of first pins 122 are male pins, and each of the first pins 122 has a plug post (not shown) and a plug hole at one end of the plug post (not shown) Show).

As shown in FIG. 1, the charging gun 100 further includes a handle 14 extending from a side of the connecting wire 10 adjacent to the charging connector 12 toward the connecting line 10 for the user to grip. The charging gun 100 is held. The charging gun 100 further includes a hook 128 located at an end of the handle 14 adjacent to the charging connector 12.

Referring to FIG. 2, the charging stand 200 includes a body 20. In use, the charging stand 200 is fixed to or detachably fixed to the electric vehicle by the base 20. The seat body 20 is connected to the electric vehicle by a pluggable structure, and may also be connected to the electric vehicle by screwing or the like. The charging stand 200 further includes a connecting end 22 at one end of the base body 20. The connecting end 22 includes a side wall 220 and a plurality of second pins 222 disposed on a side of the side wall 220. The plurality of second pins 222 include a power positive pin 2221, a power negative pin 2222, a charging connection confirmation pin 2223, a charging communication pin 2224, a low voltage auxiliary power positive pin 2225, a low voltage auxiliary power negative pin 2226, and Device ground pin 2227. The power positive pin 2221 and the power negative pin 2222 are used to access a charging voltage. The charging connection confirmation pin 2223 is configured to generate a charging connection success signal after the second pin 222 of the charging stand 200 is connected to the first pin 122 of the charging connector 12, indicating that the charging line has been successfully connected. The charging communication pin 2224 is for communicating with the charging gun 100 during charging to perform control during charging. The low voltage auxiliary power positive pin 2225 and the low voltage auxiliary power negative pin 2226 are used to receive the low voltage auxiliary power supply voltage for auxiliary power supply during charging. The device ground pin 2227 is used to connect to a common ground. The plurality of second pins 222 are used for one-to-one correspondence with the plurality of first pins 122.

It can be understood that, in this embodiment, the plurality of second pins 222 are male pins, and each of the second pins 222 has a plug post 224 and a plug hole 226 at one end of the plug post. It can be understood that, in other embodiments, the plurality of second pins 222 are female pins, and each of the second pins 222 has a plug cavity (not shown) and a pin (not shown) and a pin in the plug cavity (FIG. Not shown). Obviously, when the first pin 122 is a female pin, the second pin 222 is a male pin, and when the first pin 122 is a male pin, the second pin 222 corresponds to For the female pin.

The charging stand 200 further includes a buckle 228 at an end of the base 20 adjacent to the connecting end 22 . Referring to FIG. 3 , when the charging connector 12 is inserted into the charging base 200 , the first pin 122 of the charging connector 12 is plugged into the second pin 222 of the charging base 200 and electrically connected. The buckle 228 and the hook 128 are mutually engaged to facilitate the insertion of the charging gun 100 on the charging stand 200.

Referring to FIG. 4 together, in the embodiment, the outer diameter of the side wall 120 of the charging connector 12 is smaller than the inner diameter of the side wall 220 of the charging stand 200. The outer side of the side wall 120 of the charging connector 12 is provided with a plurality of protrusions 1202. The height of the protrusion 1202 disposed on the outer side of the side wall 120 of the charging connector 12 is equal to the difference in radius between the inner diameter of the side wall 220 of the charging stand 200 and the outer diameter of the side wall 120 of the charging gun 100. In the present embodiment, as shown in FIG. 2 , the plurality of protrusions 1202 are rib structures, and the sidewalls of each protrusion 1202 and the outer sidewall of the side wall 120 are curved transitions. In other embodiments, the plurality of protrusions 1202 may be a structure protruding from the outer sidewall of the side wall 120.

As shown in FIG. 4, in the embodiment, the plurality of first pins 122 are female pins, the plurality of second pins 222 are male pins, and each of the second pins 222 is plugged into A corresponding first pin 122. The inner diameter of the plurality of first pins 122 is greater than the outer diameter of the second pin 222 of the charging socket 200. The inner side of the plurality of first pins 122 is provided with a plurality of protrusions 1232. The height of the protrusion 1232 on the inner side of one of the pins 122 is substantially equal to the difference in radius between the inner diameter of the first pin 122 and the outer diameter of the second pin 222. In this embodiment, the sidewalls of the plurality of protrusions 1232 and the inner cavity wall of the insertion cavity 124 are curved transitions. In other embodiments, the plurality of protrusions 1232 may be a structure protruding from the inner cavity wall of the insertion cavity 124.

In other embodiments, the plurality of first pins 122 are male pins, the second pin 222 is a female pin, and each of the first pins 122 is plugged into a corresponding second. In pin 222. The outer diameter of the plurality of first pins 122 is smaller than the inner diameter of the second pin 222 of the charging socket 200. The outer side of the plurality of first pins 122 is provided with a plurality of protrusions 1232. The height of the outer protrusion 1232 of one of the pins 122 is substantially equal to the difference in radius between the inner diameter of the second pin 222 and the outer diameter of the first pin 122. Specifically, the outer diameter of the plug post 224 of the plurality of first pins 122 is smaller than the inner diameter of the plug cavity 124 of the second pin 222 , and the plurality of protrusions 1232 are disposed on the outer surface of the plug post 224 . .

Each of the plurality of protrusions 1232 is any one of a ridge or at least one bump.

When the protrusions 1232 are at least one bump, the at least one bump is arranged along the insertion and unloading direction of the charging connector 12 and the charging base 200. For example, each protrusion includes a plurality of bumps, and the bumps Arranged along the insertion and removal direction of the charging connector 12 and the charging stand 200. When the protrusion 1232 is a ridge, the rib extends along the insertion and removal direction of the charging connector 12 and the charging stand 200.

It can be understood that the plurality of protrusions 1202 disposed on the outer side of the side wall 120 of the charging connector 12 can also be any one of a ridge or at least one bump.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.

100‧‧‧Charging gun

200‧‧‧ charging stand

10‧‧‧Connecting line

12‧‧‧Charging connector

14‧‧‧Handle

120, 220‧‧‧ side wall

122‧‧‧First pin

222‧‧‧second pin

1221, 2221‧‧‧ power positive pin

1222, 2222‧‧‧ power negative pin

1223, 2223‧‧‧Charging connection confirmation pin

1224, 2224‧‧‧Charging communication pins

1225, 2225‧‧‧ Low voltage auxiliary power positive pin

1226, 2226‧‧‧ Low voltage auxiliary power supply negative pin

1227, 2227‧‧‧ equipment ground pin

124‧‧‧plug cavity

126‧‧‧plug pins

224‧‧‧plug posts

226‧‧‧ Sockets

128‧‧‧ card hook

228‧‧‧ buckle

20‧‧‧ body

22‧‧‧Connecting end

1202, 1232‧‧ ‧ raised

no

100‧‧‧Charging gun

200‧‧‧ charging stand

10‧‧‧Connecting line

12‧‧‧Charging connector

14‧‧‧Handle

120, 220‧‧‧ side wall

122‧‧‧First pin

1221‧‧‧Power positive pin

1222‧‧‧Power negative pin

1223‧‧‧Charging connection confirmation pin

1224‧‧‧Charging communication pin

1225‧‧‧Low-voltage auxiliary power positive pin

1226‧‧‧Low-voltage auxiliary power supply negative pin

1227‧‧‧Device ground pin

124‧‧‧plug cavity

126‧‧‧plug pins

128‧‧‧ card hook

Claims (10)

A charging gun for cooperating with a charging stand, the charging gun comprising a connecting line and a charging connector at one end of the connecting line; the charging joint comprising a side wall and a plurality of first lead disposed on the inner side of the side wall a plurality of first pins for interposing with the second pin of the charging stand to realize electrical connection between the charging gun and the charging stand, the improvement is that the outer diameter of the side wall of the charging connector is smaller than The inner side of the side wall of the charging socket is provided with a plurality of protrusions on the outer side of the side wall of the charging joint, and the height of the protrusion provided on the outer side of the side wall of the charging joint is equal to the side wall of the charging stand The inner diameter is different from the radius of the outer diameter of the side wall of the charging gun. The charging gun of claim 1, wherein an inner diameter of the plurality of first pins is larger than an outer diameter of a second pin of the charging socket with which the plurality of first pins are provided. a plurality of protrusions, a height of the protrusions disposed on an inner side of the plurality of first pins being equal to a difference in a radius of an inner diameter of the first pin and an outer diameter of the second pin. The charging gun of claim 1, wherein the outer diameter of the plurality of first pins is smaller than the inner diameter of the second pin of the charging socket with which the plurality of first pins are disposed. a plurality of protrusions, a height of a protrusion disposed on an outer side of the first pin being equal to a difference in a radius of an inner diameter of the second pin and an outer diameter of the first pin. The charging gun of claim 2, wherein each of the plurality of protrusions is a convex strip or at least one of the bumps. The charging gun of claim 4, wherein the at least one bump is arranged along a charging and connecting direction of the charging connector, and the protruding strip is inserted and removed along the charging connector and the charging base. extend. The charging gun of claim 1, wherein the plurality of first pins comprise a power positive pin and a power negative pin, and the power positive pin and the power negative pin are used to access a charging voltage. The charging gun of claim 6, wherein the plurality of first pins further comprise a charging connection confirmation pin and a charging communication pin, and the charging connection confirmation pin is used for the first lead in the charging connector. After the pin is connected to the second pin of the charging stand, a charging connection success signal is generated, indicating that the charging line has been successfully connected, and the charging communication pin is used to communicate with the charging stand during charging to perform control during charging. The charging gun of claim 6, wherein the plurality of first pins further comprise a low voltage auxiliary power positive pin and a low voltage auxiliary power negative pin, the low voltage auxiliary power positive pin and the low voltage auxiliary power negative The pin is used to receive the low voltage auxiliary supply voltage and provide auxiliary power during charging. The charging gun of claim 6, wherein the plurality of first pins further comprise device ground pins, and the device ground pins are used to connect to a common ground. A charging connector, comprising a charging stand, is improved in that the charging connector further comprises a charging gun according to any one of claims 1-9.