CN110014947B

CN110014947B - Fill electric pile and vehicle

Info

Publication number: CN110014947B
Application number: CN201710919588.4A
Authority: CN
Inventors: 吴兴国; 左杰; 姜宏; 王琛; 钱志发
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2017-09-30
Filing date: 2017-09-30
Publication date: 2021-05-14
Anticipated expiration: 2037-09-30
Also published as: TW201916527A; TWI657640B; CN110014947A; WO2019062982A1

Abstract

The invention discloses a charging pile and a vehicle, wherein the charging pile comprises: a pile body; the charging connector is provided with a butt joint part and is also connected with a charging wire; the air cooling chamber is fixed on the pile body, and the butt joint part extends into the air cooling chamber; and the air outlet of the air conditioner is communicated with the air cooling chamber. Therefore, the heating problem of the wiring terminal can be effectively solved through the matching of the air conditioner, the air cooling chamber and the charging connecting piece, and the problem of poor heat dissipation of the charging connecting piece can be improved.

Description

Fill electric pile and vehicle

Technical Field

The invention relates to the technical field of vehicles, in particular to a charging pile and a vehicle with the charging pile.

Background

At present, due to the problems of energy, environment and the like, the explosive growth of new energy automobiles is promoted, and the holding amount of the new energy automobiles is continuously increased. Compared with the traditional fuel vehicle, the new energy vehicle has the great advantages of energy conservation and environmental protection, but the electric vehicle has long charging time period and is a long-standing problem.

At present, a method of shortening the charging time by increasing the charging power is commonly used. The problems with this are: because the electric current is too big, the binding post of the socket department that charges heats seriously, leads to appearing binding post and burns out or the problem trouble of charging, and whole car can't normally charge like this, and the security of charging can't effectively be guaranteed moreover.

Also, although some manufacturers are also actively adopting some ways of reducing the temperature at the terminal, for example, arranging a cooling device at the charging harness, the cooling effect is not ideal and the arrangement is complicated.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the charging pile provided by the invention can effectively solve the heating problem of the wiring terminal and can also improve the problem of poor heat dissipation of the charging connecting piece.

The invention further provides a vehicle.

The charging pile according to the invention comprises: the air-cooled air conditioner comprises a pile body, a charging connecting piece, an air-cooled chamber and an air conditioner, wherein the air-cooled chamber is fixed on the pile body, at least one part of the charging connecting piece extends into the air-cooled chamber, and an air outlet of the air conditioner is communicated with the air-cooled chamber.

According to the charging pile, the air conditioner, the air cooling chamber and the charging connecting piece are matched, so that the heating problem of the wiring terminal can be effectively solved, and the problem of poor heat dissipation of the charging connecting piece can be solved.

In some examples of the invention, the air-cooled chamber comprises: the open chamber is fixed on the pile body; and the door body is arranged on the open chamber in an openable and closable manner.

In some examples of the invention, the air cooling chamber is provided with an air hole, a cooling pipeline is connected between the air hole and the air conditioner, and the air hole and the charging connector are positioned on the same wall of the air cooling chamber.

In some examples of the present invention, the wind hole is plural and provided around the charging connector.

In some examples of the invention, the door body is provided with an avoidance groove for a charging gun on a vehicle to extend into.

In some examples of the invention, the charging pole further comprises: the charging wire is arranged in the liquid cooling chamber; a cooling system, the liquid cooling chamber in communication with the cooling system.

In some examples of the invention, a portion of the charging connector in pressure contact with the charging wire is also located within the liquid cooling chamber.

In some examples of the invention, the liquid cooling chamber is fixed on the pile body and is positioned behind the air cooling chamber.

In some examples of the present invention, the air-cooled chamber is provided with an air hole on a top wall thereof above the charging connector.

In some examples of the invention, the cooling system comprises: the pump body, the heat exchanger, the reservoir with form circulation circuit between the liquid cooling chamber.

In some examples of the invention, the liquid cooling chamber has a liquid inlet and a liquid outlet, the liquid inlet is connected to the pump body, the liquid outlet is connected to the liquid storage tank, and the liquid inlet is higher than the liquid outlet.

In some examples of the invention, the charging pole further comprises: and the controller is respectively electrically connected with the air conditioner and the pump body and selectively controls the working states of the air conditioner and the pump body.

In some examples of the invention, the charging pole further comprises: the temperature sensor is used for detecting the temperature of the charging connecting piece and is electrically connected with the controller; the controller is suitable for when the temperature value that temperature sensor detected is less than first predetermined temperature value, control the air conditioner with the pump body is out of work, and be suitable for when the temperature value that temperature sensor detected is greater than first predetermined temperature value and is less than second predetermined temperature, control the pump body work and control the air conditioner is out of work, and be suitable for when the temperature value that temperature sensor detected is greater than second predetermined temperature value, control the pump body with the air conditioner work.

The vehicle according to the present invention includes: the rifle charges, the rifle charge can with the connecting piece butt joint that charges of filling electric pile, at the butt joint state, the butt joint portion of rifle that charges is located in the air-cooled chamber.

Drawings

Fig. 1 and 3 are schematic diagrams of the cooperation of a vehicle and a charging pile in a charging process;

fig. 2 is a side view of a charging post of a first embodiment of the charging post in cooperation with a charging gun according to an embodiment of the present invention;

fig. 4 is a side view of a charging post of a second embodiment of the charging post in cooperation with a charging gun according to an embodiment of the present invention.

Reference numerals:

a charging pile 10;

a pile body 1; a charging connection member 2; an air-cooling chamber 3; an open chamber 31; a door body 32; an avoidance slot 34; a pivot shaft 35; an air conditioner 4; an air outlet 41; a seal lock 5; a charging wire 6; a liquid cooling chamber 7; a cooling system 8; a pump body 81; a heat exchanger 82; a reservoir 84; a liquid inlet 85; a liquid outlet 86; a controller 9; a cooling line 91;

the gun 20 is charged.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

A charging pile 10 according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 4.

As shown in fig. 1 to 4, a charging pile 10 according to an embodiment of the present invention includes: pile body 1, charging connecting piece 2, air-cooled room 3 and air conditioner 4, charging connecting piece 2 installs on pile body 1 for in the charging process, be connected with the charging device on the vehicle, air-cooled room 3 is fixed to be set up on pile body 1, moreover, charging connecting piece includes butt joint portion, charging connecting piece 2's butt joint portion stretches into in the air-cooled room 3, wherein, charging connecting piece 2 can adopt partly stretch into or wholly stretch into the mode of air-cooled room 3. It is also understood that the charging connector 2 may partially or entirely extend into the air-cooled chamber 3. It should be noted that the charging connector 2 may be a charging socket, a charging gun 20 may be disposed on the vehicle, and a portion of the charging connector 2 extending into the air cooling chamber 3 includes a portion in butt joint with the charging gun 20.

Moreover, the air outlet 41 of the air conditioner 4 is communicated with the air cooling chamber 3, the air conditioner 4 can produce cold air, and the cold air can enter the air cooling chamber 3 through the air outlet 41, so that the temperature in the air cooling chamber 3 can be reduced. The air cooling chamber 3 can adopt a closed loop circulation mode with the air conditioner 4, and can also adopt a mode of arranging an air outlet to directly discharge cold air.

Wherein, at the in-process that charges, the connecting piece 2 that charges is in air-cooled room 3, and moreover, the temperature in the air-cooled room 3 can not receive the influence of outdoor high temperature environment, and under air conditioner 4's effect, the temperature in the air-cooled room 3 reduces a lot, can increase the connecting piece 2 during operation that charges like this and air heat exchange efficiency in the air-cooled room 3 to can realize the fine cooling effect to the connecting piece 2 that charges, and then can effectively solve binding post problem of generating heat. In addition, through setting up air-cooled room 3, can effectively accelerate the heat dissipation of connecting piece 2 that charges, prevent to charge 2 temperature rising of connecting piece to can improve the poor problem of the connecting piece 2 heat dissipation that charges, and then can guarantee charging safety. In addition, this fill electric pile 10's simple structure, easily realization, low cost to, installation and easy maintenance.

The vehicle according to the present invention includes: the rifle 20 charges, and the rifle 20 that charges can dock with the connecting piece 2 that charges who fills electric pile 10, that is to say, when charging, the rifle 20 that charges links together with the connecting piece 2 that charges to the demand that the realization was charged to the vehicle.

Alternatively, as shown in fig. 2 and 3, the air-cooling chamber 3 includes: open room 31 and door body 32, open room 31 is fixed on pile body 1, but door body 32 openly installs on open room 31 openly, through to open room 31 fixed setting on pile body 1, and, install door body 32 on open room 31, can enclose connecting piece 2 and air conditioning like this in air-cooled room 3, thereby can prevent that the cold air in the air-cooled room 3 from diffusing to the air-cooled room 3 outside fast, and then can guarantee that the temperature is lower in the air-cooled room 3. Meanwhile, when the charging connecting piece 2 has a working fault, the door body 32 is opened, and maintenance personnel can directly carry out fault detection and maintenance on the charging connecting piece 2, so that the maintenance is convenient.

Further, as shown in fig. 2, an air hole is formed in the air cooling chamber 3, a cooling pipeline 91 is connected between the air hole and the air conditioner 4, the air conditioner 4 can convey cold air to the air hole through the cooling pipeline 91, and then the cold air enters the air cooling chamber 3 through the air hole, so that the cold air can enter the air cooling chamber 3. Simultaneously, the wind hole is located the same wall of wind cooling chamber 3 with the connecting piece 2 that charges, can shorten the wind hole like this and the distance of the connecting piece 2 that charges to can make the air conditioning that just enters into in the wind cooling chamber 3 just closely with the connecting piece 2 distance that charges, and then can be better to the connecting piece 2 cooling that charges.

Specifically, as shown in fig. 2, the plurality of wind holes are provided, and the plurality of wind holes are provided around the charging connector 2, so that the heat of the charging connector 2 can be further dissipated, and the charging connector 2 can be prevented from being burnt due to an excessively high temperature.

Optionally, as shown in fig. 2, the door body 32 is provided with an avoiding groove 34 into which the charging gun 20 on the vehicle extends, so that the charging gun 20 can pass through the avoiding groove 34 to be connected with the charging connector 2 without opening the door body 32, and the operation is simple and convenient, so that the charging time can be saved. In addition, flexible blocking sheets can be arranged around the avoiding groove 34, and the flexible blocking sheets can play a sealing effect.

Further, the door 32 is pivotally mounted on the open chamber 31, which can ensure that the opening and closing actions of the door 32 can be smoothly completed.

Specifically, be provided with the pivoting axle 35 between door body 32 and the open room 31, door body 32 can rotate around pivoting axle 35 to realize opening and closing of door body 32, and, be provided with sealed lock 5 on the pile body 1, sealed lock 5 locking door body 32 and the relative one end of pivoting axle 35, that is to say, sealed lock 5 and the relative setting of pivoting axle 35, for example, as shown in fig. 2, set up pivoting axle 35 in the upper end of open room 31, set up sealed lock 5 in the below of pivoting axle 35, through sealed lock 5 locking door body 32, can prevent that door body 32 from opening, thereby can prevent charging connecting piece 2 and external environment contact, and then can guarantee that charging connecting piece 2 is not damaged by external environment.

The operation of the first embodiment of the charging pole 10 according to the invention will be described in detail below with reference to fig. 2.

The rifle 20 that charges is located the vehicle side, the connecting piece 2 that charges is located fills electric pile 10 side, with the rifle 20 that charges with the connecting piece 2 switch-on back of charging, the rifle 20 that charges can be located air-cooled room 3 with the connecting piece 2 that charges, uncovered room 31 can be closed to the purpose-built door body 32 of outside, after beginning to charge, fill the air conditioner 4 that electric pile 10 side was arranged, let in cold wind in air-cooled room 3 through cooling line 91, build a refrigerated environment for whole rifle 20 that charges and connecting piece 2 that charge, in high-power charging process, most heat that distributes out can pass away fast, and, exchange the heat with cold wind fast, therefore, can not accumulate a large amount of heats at the kneck of charging of rifle 20 and connecting piece 2 junctions that charge like this, thereby can guarantee can not take place the incident, and then can improve the operational reliability who fills electric pile 10.

Alternatively, as shown in fig. 3 and 4, a part of the charging connector 2 extends into the air cooling chamber 3, the charging connector 2 is further connected with a charging wire 6, in the charging process, electricity can be transmitted to the charging connector 2 through the charging wire 6, and the charging connector 2 is then transmitted to the charging gun 20.

In addition, as shown in fig. 4, the charging pile 10 may further include: liquid cooling chamber 7 and cooling system 8, the partly of charging wire 6 and the other part of charging connection spare 2 are located liquid cooling chamber 7, for example, the part of charging connection spare 2 and the crimping of charging wire 6 also is located liquid cooling chamber 7, the partly of charging wire 6 and the part of charging connection spare 2 that does not stretch into to air-cooled chamber 3 are located liquid cooling chamber 7, liquid cooling chamber 7 is established ties in cooling system 8, cooling system 8 can let in cold water in liquid cooling chamber 7, cold water in liquid cooling chamber 7 can be direct with be located the interior electric wire 6 of charging and the contact of charging connection spare 2 of filling of liquid cooling chamber 7, thereby can take away the heat that charging wire 6 and charging connection spare 2 during operation produced, and then can further prevent to fill electric pile 10 high temperatures.

Further, as shown in fig. 4, the liquid cooling chamber 7 is fixed on the pile body 1, and the liquid cooling chamber 7 is located behind the air cooling chamber 3, and the air cooling chamber 3 can cool the charging gun 20 and the charging connector 2 extending into the air cooling chamber 3, so that the charging gun 20, the charging connector 2 and the charging wire 6 can be cooled simultaneously, and the charging safety can be further ensured.

Specifically, as shown in fig. 4, the air cooling chamber 3 is provided with an air hole which is located on the top wall of the air cooling chamber 3, and the air hole is located above the charging connection member 2, so that cold air can be directly blown onto the charging connection member 2 through the air hole, and the problem of slow heat dissipation of the charging connection member 2 is better solved.

Alternatively, as shown in fig. 4, the cooling system 8 may include: the pump body 81, heat exchanger 82 and liquid storage pot 84 form circulation circuit between the pump body 81, heat exchanger 82, liquid storage pot 84 and the liquid cooling room 7, through the cooperation between the pump body 81, heat exchanger 82 and liquid storage pot 84, can pump cold water into in the liquid cooling room 7 to cold water can flow at cooling system 8 inner loop, and at cold water circulation flow in-process, can take away the heat that the during operation of filling electric pile 10 produced, and then can lower the temperature to filling electric pile 10 better.

Further, as shown in fig. 4, the liquid-cooling chamber 7 has a liquid inlet 85 and a liquid outlet 86, the liquid inlet 85 is connected with the pump body 81, the liquid outlet 86 is connected with the liquid storage tank 84, the liquid inlet 85 is higher than the liquid outlet 86, preferably, the liquid outlet 86 is higher than the charging connector 2, when the cooling system 8 is in operation, the pump 81 can pump cold water into the liquid cooling chamber 7 through the liquid inlet 85, the cold water flows out of the liquid outlet 86 after heat exchange in the liquid cooling chamber 7, water flowing out of the liquid outlet 86 can be stored in the liquid storage tank 84, then the water in the reservoir 84 flows into the heat exchanger 82, and then the water flowing into the heat exchanger 82 is cooled in the heat exchanger 82 to become cold water, then the pump body 81 pumps cold water into the liquid cooling chamber 7 through the liquid inlet 85 to complete the circulation work of the whole cooling system 8, this arrangement thus ensures that water flows into and out of the cooling chamber 7 and thus the cooling system 8 operates properly.

Specifically, as shown in fig. 4, the charging pile 10 may further include: the controller 9, the controller 9 is connected with the air conditioner 4 and the pump body 81 electrically respectively, moreover, the operating condition of the air conditioner 4 and the pump body 81 is controlled selectively to the controller 9, it should be explained that, the rotational speed of water pump can be controlled to the controller 9 and the inflow and the speed are adjusted, also can control the speed and the temperature that the air conditioner 4 adjusted the air inlet, when high-power charging process, the rotational speed of water pump and the air conditioner 4 of control are adjusted simultaneously to the controller 9, through combining, can effectually solve binding post serious, the binding post that the radiating effect is poor causes burns and decreases the scheduling problem.

Optionally, the charging pile 10 may further include: a temperature sensor (not shown in the figure) for detecting the temperature of the charging connector 2, the temperature sensor being electrically connected to the controller 9, the temperature sensor being capable of detecting the temperature of the charging pile 10 during operation, and the temperature sensor transmitting the detected temperature to the controller 9, when the controller 9 is adapted to control the air conditioner 4 and the pump 81 not to operate when the temperature detected by the temperature sensor is less than a first predetermined temperature value, and when the temperature detected by the temperature sensor is greater than the first predetermined temperature value and less than a second predetermined temperature value, the controller 9 controls the pump 81 to operate and the air conditioner 4 not to operate, and when the temperature detected by the temperature sensor is greater than the second predetermined temperature value, the controller 9 controls the pump 81 and the air conditioner 4 to operate together, such that the operation state of the air conditioner 4 and the pump 81 can be controlled at any time, so that the workability of the charging pile 10 can be improved.

The operation of the charging pile 10 according to the invention will be explained in detail below with reference to fig. 4.

Wherein, on the basis of first embodiment, add cooling system 8 on filling electric pile 10, cold water passes through water pump, inlet 85, liquid cooling room 7 and liquid outlet 86, forms an inside hydrologic cycle, and in addition, has wrapped up the waterproof layer (the waterproof layer is very strong heat conductivity and insulating properties) in the interface outside that charges of charging connecting piece 2 and rifle 20, the waterproof layer is directly immersed in among the liquid cooling room 7. In the charging process, the heat emitted at the interface between the charging connecting piece 2 and the charging gun 20 is directly transferred to cold water through the waterproof layer at the first time, and the heat of the charging interface is taken away through the circulating flow of the cold water.

In addition, the air cooling chamber 3 is used for conveying cold air by the air conditioner 4, so that the charging environment problem of the charging gun 20 is improved, and the heat exchange rate of the charging gun 20 is increased. The controller 9 collects relevant information in real time, controls the rotating speed of the water pump to adjust the water inflow and the water inflow speed, and controls the air conditioner 4 to adjust the air inlet speed, the air inlet temperature and the like. Through both combinations, can effectual solution in high-power charging process, because of ambient temperature is too high, binding post serious problem that generates heat to and the poor binding post scheduling problem that arouses of radiating effect burns out.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A charging pile, comprising:

a pile body;

the charging connector is provided with a butt joint part and is also connected with a charging wire;

the air cooling chamber is fixed on the pile body, and the butt joint part extends into the air cooling chamber;

the air outlet of the air conditioner is communicated with the air cooling chamber;

and a part of the charging wire is positioned in the liquid cooling chamber.

2. The charging pole according to claim 1, wherein the air-cooled compartment comprises:

the open chamber is fixed on the pile body;

and the door body is arranged on the open chamber in an openable and closable manner.

3. The charging pile according to claim 2, wherein an air hole is formed in the air cooling chamber, a cooling pipeline is connected between the air hole and the air conditioner, and the air hole and the charging connecting piece are located on the same wall of the air cooling chamber.

4. The charging pile of claim 3, wherein the air vent is plural and is disposed around the charging connector.

5. The charging pile according to claim 2, wherein the door body is provided with an avoidance groove for a charging gun on a vehicle to extend into.

6. The charging pile according to claim 1, further comprising:

a cooling system, the liquid cooling chamber in communication with the cooling system.

7. The charging pole of claim 6, wherein the portion of the charging connector that is in pressure contact with the charging wire is also located within the liquid-cooled chamber.

8. The charging pile of claim 6, wherein the liquid cooling chamber is fixed to the pile body and located behind the air cooling chamber.

9. The charging pile according to claim 8, wherein the air-cooled chamber is provided with an air vent located on a top wall of the air-cooled chamber and above the charging connector.

10. The charging pole according to claim 6, characterized in that the cooling system comprises: the pump body, the heat exchanger, the liquid storage pot and form circulation circuit between the liquid cooling chamber.

11. The charging pile of claim 10, wherein the liquid cooling chamber has a liquid inlet and a liquid outlet, the liquid inlet is connected to the pump body, the liquid outlet is connected to the liquid storage tank, and the liquid inlet is higher than the liquid outlet.

12. The charging pile according to claim 10, further comprising: and the controller is respectively electrically connected with the air conditioner and the pump body and selectively controls the working states of the air conditioner and the pump body.

13. The charging pile according to claim 12, further comprising: the temperature sensor is used for detecting the temperature of the charging connecting piece and is electrically connected with the controller;

the controller is suitable for when the temperature value that temperature sensor detected is less than first predetermined temperature value, control the air conditioner with the pump body is out of work, and be suitable for when the temperature value that temperature sensor detected is greater than first predetermined temperature value and is less than second predetermined temperature, control the pump body work and control the air conditioner is out of work, and be suitable for when the temperature value that temperature sensor detected is greater than second predetermined temperature value, control the pump body with the air conditioner work.

14. A vehicle, characterized by comprising: a charging gun dockable with the charging connection of a charging post according to any of claims 1 to 13, the docking portion of the charging gun being located within the air-cooled compartment in the docked state.