Charging gun, charging socket and charging system

Abstract

The application relates to the technical field of new energy charging connectors, and particularly discloses a charging gun, a charging socket and a charging system, the charging gun is used for plug-in cooperation with the charging socket of an electric device, the charging gun comprises a gun head body and a cooling piece, the gun head body is provided with a charging male terminal, a first cooling cavity is formed in the charging male terminal, a first cooling flow path communicated with a cooling medium storage mechanism is formed in the cooling piece, and the first cooling flow path is also used for cooling the charging socket. In use, the gun head body is aligned with the charging socket of the electric device, the charging male terminal is plugged into the charging socket, the electric device is charged, meanwhile, the cooling medium in the cooling medium storage mechanism flows into the charging socket through the first cooling flow path of the cooling piece, the charging socket is cooled, overheating of the charging socket during charging is avoided, safety hazards are reduced, and the safety of charging is enhanced.

Description

Technical Field

[0001] This invention relates to the field of new energy charging connector technology, and particularly to a charging gun, a charging socket, and a charging system. Background Technology

[0002] With global energy shortages and increasingly severe environmental problems, the widespread adoption of new energy vehicles has solved the shortage of traditional fuels and the resulting environmental issues.

[0003] However, the overheating of the charging gun and the car's charging socket during charging has always been a major issue restricting the improvement of charging power, especially as the higher the charging power, the greater the heat generated, posing a safety hazard.

[0004] Therefore, the safety hazards caused by the heat generated during charging of charging guns and sockets urgently need to be addressed. Summary of the Invention

[0005] The main objective of this invention is to provide a charging gun, a charging socket, and a charging system, which aims to solve the safety hazards caused by overheating during charging.

[0006] To achieve the above objectives, the present invention provides a charging gun for plugging into a charging socket of an electric device, the charging gun comprising:

[0007] The gun head body has a charging male terminal, and a first cooling cavity is formed within the charging male terminal. The first cooling cavity is connected to a cooling medium storage mechanism.

[0008] A cooling component is connected to the gun head body, and a first cooling flow path is formed inside the cooling component. The first cooling flow path is used to communicate with the cooling medium storage mechanism.

[0009] When the charging male terminal is plugged into the charging socket, the first cooling flow path is used to cool the charging socket.

[0010] Optionally, the cooling element includes:

[0011] A connecting plate is connected to the gun head body and is provided with a liquid supply port and a liquid return port, which are used to communicate with the charging socket;

[0012] A first liquid inlet pipe, one end of which is connected to the cooling medium storage mechanism, and the other end of which is connected to the liquid supply port; and

[0013] A first liquid outlet pipe, one end of which is connected to the cooling medium storage mechanism, and the other end of which is connected to the return port.

[0014] Optionally, a first inlet valve is provided at one end of the first inlet pipe facing the connecting plate;

[0015] And / or, the end of the first outlet pipe facing the connecting plate is provided with a first outlet valve.

[0016] Optionally, the cooling component further includes a controller, and both the first inlet valve and the first outlet valve are connected to the controller.

[0017] Optionally, both the liquid supply port and the liquid return port are equipped with sealing rings.

[0018] Optionally, the cooling medium storage mechanism is equipped with a pump body, and the first inlet pipe and the first outlet pipe are both connected to the pump body.

[0019] The present invention also proposes a charging socket for plugging into the charging gun, the charging socket comprising:

[0020] The socket body includes a charging female terminal, within which a second cooling cavity is formed; and

[0021] A cooling pipe, wherein a second cooling flow path is formed within the cooling pipe, and the second cooling flow path is connected to the second cooling chamber;

[0022] When the male charging terminal is plugged into the female charging terminal, the cooling pipe is connected to the cooling component of the charging gun, so that the second cooling flow path is connected to the first cooling flow path of the charging gun.

[0023] Optionally, the cooling pipeline includes:

[0024] A second liquid inlet pipe, one end of which is connected to the inlet of the second cooling chamber, and the other end of which passes through the socket body to form a liquid inlet; and

[0025] The second liquid outlet pipe has one end connected to the outlet of the second cooling chamber, and the other end of the second liquid outlet pipe passes through the socket body to form a liquid outlet.

[0026] The liquid inlet and the liquid outlet are used to connect with the first cooling flow path.

[0027] Optionally, a second inlet valve is provided at one end of the second inlet pipe facing the socket body;

[0028] And / or, a second outlet valve is provided at one end of the second outlet pipe facing the socket body.

[0029] The present invention also proposes a charging system, comprising:

[0030] The aforementioned charging gun and;

[0031] In the aforementioned charging socket, the charging gun and the charging socket are plugged into each other, and the cooling component of the charging gun is connected to the cooling pipe of the charging socket, so that the second cooling flow path of the charging socket is connected to the first cooling flow path of the charging gun.

[0032] The charging gun of this invention is used to connect and cooperate with the charging socket of an electric device. The charging gun includes a gun head body and a cooling component. The gun head body has a male charging terminal, and a first cooling chamber is formed inside the male charging terminal. The first cooling chamber is connected to a cooling medium storage mechanism. A first cooling flow path is formed inside the cooling medium storage mechanism, and the first cooling flow path is used to cool the charging socket. In use, one end of the gun head body is connected to a charging pile, and the gun head body is aligned with the charging socket of the electric device, so that the male charging terminal is plugged into the charging socket to charge the electric device. During the charging process, the cooling medium in the cooling medium storage mechanism flows into the first cooling chamber, and at the same time, the cooling medium in the cooling medium storage mechanism flows into the charging socket through the first cooling flow path of the cooling component to cool the male charging terminal and the charging socket simultaneously. Therefore, by setting the above-mentioned cooling component, the male charging terminal and the charging socket can be cooled during the charging process of the electric device, avoiding overheating of the male charging terminal and the charging socket during charging, reducing safety hazards, and enhancing charging safety. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0034] Figure 1 This is a schematic diagram of the charging system in one embodiment of the present invention;

[0035] Figure 2 for Figure 1 Enlarged structural diagram of section A;

[0036] Figure 3 This is a side view of the charging gun and charging socket being plugged in according to an embodiment of the present invention;

[0037] Figure 4 This is a top sectional view of the charging gun and charging socket being connected in an embodiment of the present invention.

[0038] Figure 5 This is a front view of a charging gun according to an embodiment of the present invention;

[0039] Figure 6 for Figure 5 Sectional view along the BB direction;

[0040] Figure 7 This is a schematic diagram of the cooling component in one embodiment of the present invention;

[0041] Figure 8 This is a front view of a charging socket according to an embodiment of the present invention;

[0042] Figure 9 for Figure 8 A cross-sectional view along the CC direction;

[0043] Figure 10 This is a schematic diagram of the cooling pipe structure in one embodiment of the present invention.

[0044] Explanation of icon numbers:

[0045]

[0046]

[0047] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0048] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0049] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0050] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.

[0051] Furthermore, in this invention, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this invention.

[0052] With global energy shortages and increasingly severe environmental concerns, the widespread adoption of new energy vehicles has addressed the scarcity of traditional fuels and the resulting environmental problems. However, the overheating of the charging gun and the car's charging socket during charging has been a significant obstacle to increasing charging power, especially as the charging power increases, leading to greater heat generation and potential safety hazards. Therefore, the issue of safety hazards caused by overheating during charging urgently needs to be addressed.

[0053] Based on the above concepts and issues, please refer to the following: Figures 1 to 10 As shown, the present invention proposes a charging gun 100 for plugging into a charging socket 200 of an electric device 32. The charging gun 100 includes a gun head body 11 and a cooling component 12. The gun head body 11 is provided with a male charging terminal 111, and a first cooling cavity 1111 is formed inside the male charging terminal 111. The first cooling cavity 1111 is connected to a cooling medium storage mechanism. The cooling component 12 is connected to the gun head body 11, and a first cooling flow path is formed inside the cooling component 12. The first cooling flow path is used to communicate with the cooling medium storage mechanism. When the male charging terminal 111 is plugged into the charging socket 200, the first cooling flow path is used to cool the charging socket 200.

[0054] In this embodiment, one end of the charging gun 100 is connected to a power supply device, such as a charging pile 31. A cooling medium storage mechanism can be located within the charging pile 31, storing a cooling medium, including but not limited to cryogenic liquids or inert gases. The electric device 32 can be an electric car, an electric motorcycle, or an electric truck, etc., without specific limitations. The charging gun 100 includes a gun head body 11 and a cooling element 12. The gun head body 11 is used to connect to the charging socket 200 of the electric device 32, allowing the charging male terminal 111 to be inserted into the charging socket 200 to charge the electric device 32. A first cooling chamber 1111 is formed within the charging male terminal 111, which communicates with the cooling medium storage mechanism. Cooling medium is introduced into the first cooling chamber 1111 through the cooling medium storage mechanism to cool the charging male terminal 111.

[0055] The cooling element 12 is connected to the gun head body 11 and communicates with the cooling medium storage mechanism. A first cooling flow path is formed inside the cooling element 12. During the process of charging the electric device 32 by plugging the charging male terminal into the charging socket 200, the first cooling flow path is connected to the charging socket 200, so that the cooling medium can flow to the charging socket 200 through the first cooling flow path to cool the charging socket 200.

[0056] Understandably, the end of the gun head 11 facing away from the charging pile 31 is aligned with the charging socket 200 of the electric device 32, so that the charging male terminal 111 is plugged into the charging socket 200 to charge the electric device 32. At the same time, part of the cooling medium in the cooling medium storage mechanism flows into the first cooling chamber 1111 to cool the charging male terminal 111, and part of the cooling medium flows into the charging socket 200 through the first cooling flow path of the cooling component 12 to cool the charging socket 200.

[0057] Therefore, by setting the cooling component 12, the charging socket 200 can be cooled down at the same time during the charging process of the charging male terminal 111 and the charging socket 200, thereby improving the cooling effect, preventing the charging socket 200 from overheating during charging, reducing safety hazards, and enhancing the safety of charging.

[0058] In one embodiment of the present invention, please refer again to [the relevant documentation]. Figures 1 to 6 The cooling component 12 includes a connecting plate 121, a first liquid inlet pipe 122, and a first liquid outlet pipe 123. The connecting plate 121 is connected to the gun head body 11 and is provided with a liquid supply port 1211 and a liquid return port 1212. The liquid supply port 1211 and the liquid return port 1212 are used to communicate with the charging socket. One end of the first liquid inlet pipe 122 is connected to the cooling medium storage mechanism through the charging gun cable, and the other end of the first liquid inlet pipe 122 is connected to the liquid supply port 1211. One end of the first liquid outlet pipe 123 is connected to the cooling medium storage mechanism, and the other end of the first liquid outlet pipe 123 is connected to the liquid return port 1212.

[0059] In this embodiment, the connecting plate 121 is connected to the gun head body 11. The connection between the connecting plate 121 and the gun head body 11 can be detached to facilitate the maintenance and replacement of parts later. The connecting plate 121 is provided with a liquid supply port 1211 and a liquid return port 1212. Both the liquid supply port 1211 and the liquid return port 1212 are located on the side facing away from the charging pile 31, so that when the gun head body 11 is plugged into the charging socket 200, both the liquid supply port 1211 and the liquid return port 1212 face the charging socket 200, so that both the liquid supply port 1211 and the liquid return port 1212 can communicate with the charging socket 200.

[0060] The charging gun 100 is also provided with an inlet branch 1213 and an outlet branch 1214. One end of the inlet branch 1213 and the outlet branch 1214 are connected to the cooling medium storage mechanism through the charging gun cable. The other end of the inlet branch 1213 is connected to the inlet of the first cooling chamber 1111, and the other end of the outlet branch 1214 is connected to the outlet of the first cooling chamber 1111. The cooling medium is introduced into the first cooling chamber 1111 through the inlet branch 1213 and the cooling medium that has completed heat exchange in the first cooling chamber 1111 is exported through the outlet branch 1214.

[0061] One end of the first liquid inlet pipe 122 is connected to the cooling medium storage mechanism, and the first liquid inlet pipe 122 is connected to the liquid supply port 1211, so that the cooling medium can flow through the first liquid inlet pipe 122 to the liquid supply port 1211, and then flow through the liquid supply port 1211 to the charging socket 200.

[0062] One end of the first liquid outlet pipe 123 is connected to the cooling medium storage mechanism, and the first liquid outlet branch 123 is connected to the liquid return port 1212, so that the cooling medium that has completed heat exchange in the charging socket 200 can flow to the first liquid outlet pipe 123 through the liquid return port 1212, and then guide the cooling medium that has completed heat exchange to the cooling medium storage mechanism through the first liquid outlet pipe 123. The first liquid inlet pipe 122 and the first liquid outlet pipe 123 together form the first cooling flow path.

[0063] Understandably, the charging male terminal 111 of the gun head body 11 is plugged into the charging socket 200 to charge the electric device 32. During the charging process of the electric device 32, on the one hand, the cooling medium in the cooling medium storage mechanism flows into the first cooling chamber 1111 through the liquid inlet branch 1213 to absorb the heat generated by the charging male terminal 111 and cool down the charging male terminal 111; on the other hand, the cooling medium in the cooling medium storage mechanism flows into the charging socket 200 through the first liquid inlet pipe 122 and the liquid supply port 1211 to absorb the heat generated by the charging socket 200 and cool down the charging socket 200. Meanwhile, the cooling medium that has completed heat exchange in the first cooling chamber 1111 flows out of the first cooling chamber 1111 and flows to the liquid outlet branch 1214, and then flows to the cooling medium storage mechanism via the liquid outlet branch 1214. The cooling medium that has completed heat exchange in the charging socket 200 flows out of the charging socket 200 and flows to the first liquid outlet pipe 123 through the liquid return port 1212. Then, the cooling medium that has completed heat exchange is guided to the cooling medium storage mechanism through the first liquid outlet pipe 123, thereby realizing continuous cooling and temperature reduction of the charging male terminal 111 and the charging socket 200.

[0064] By setting up the connecting plate 121, the first liquid inlet pipe 122, and the first liquid outlet pipe 123, the charging male terminal 111 and the charging socket 200 are connected in parallel. Cooling medium is continuously introduced into the charging socket 200 through the first liquid inlet pipe 122, and the cooling medium that has completed heat exchange in the charging socket 200 is discharged through the first liquid outlet pipe 123, thereby enhancing the cooling effect, improving cooling efficiency, and avoiding safety hazards.

[0065] In one embodiment of the present invention, please refer again to [the relevant documentation]. Figure 2 , Figure 3 and Figure 7 The first inlet pipe 122 is provided with a first inlet valve 1221 at one end facing the connecting plate 121; and / or, the first outlet pipe 123 is provided with a first outlet valve 1231 at one end facing the connecting plate 121.

[0066] In this embodiment, a first inlet valve 1221 is provided at one end of the first inlet pipe 122 facing the connecting plate 121 to control the opening or closing of the first inlet pipe 122; and / or, a first outlet valve 1231 is provided at one end of the first outlet pipe 123 facing the connecting plate 121 to control the opening or closing of the first outlet pipe 123.

[0067] Understandably, after the nozzle body 11 is inserted and fixed to the charging socket 200, the first inlet valve 1221 and the first outlet valve 1231 are first opened, so that the first inlet pipe 122 and the first outlet pipe 123 are both open. This allows the cooling medium in the cooling medium storage mechanism to enter the charging socket 200 through the first inlet pipe 122, while the cooling medium that has completed heat exchange in the charging socket 200 flows to the first outlet pipe 123 and then to the cooling medium storage mechanism, thereby cooling the charging socket 200. After charging is complete, the first inlet valve 1221 and the first outlet valve 1231 are first closed to shut off the first inlet pipe 122 and the first outlet pipe 123, and then the nozzle body 11 is separated from the charging socket 200.

[0068] By setting the first liquid inlet valve 1221 and the first liquid outlet valve 1231, the first liquid inlet pipe 122 and the first liquid outlet pipe 123 can be opened or closed, thereby facilitating the control of the flow of cooling medium and avoiding waste caused by the cooling medium flowing out from the liquid supply port 1211 and the liquid return port 1212.

[0069] In one embodiment of the present invention, the cooling component 12 further includes a controller, and the first liquid inlet valve 1221 and the first liquid outlet valve 1231 are both connected to the controller.

[0070] In this embodiment, both the first inlet valve 1221 and the first outlet valve 1231 are electric valves. The cooling component 12 also includes a controller. Both the first inlet valve 1221 and the first outlet valve 1231 are electrically connected to the controller so that the controller can control the opening or closing of the first inlet valve 1221 and the first outlet valve 1231, thereby realizing the conduction or closure of the first inlet pipe 122 and the first outlet pipe 123.

[0071] Understandably, after detecting that the nozzle body 11 is inserted and fixed to the charging socket 200, the controller controls the opening of the first liquid inlet valve 1221 and the first liquid outlet valve 1231, so that both the first liquid inlet pipe 122 and the first liquid outlet pipe 123 are connected to cool the charging socket 200. After charging is completed, the controller controls the closing of the first liquid inlet valve 1221 and the first liquid outlet valve 1231 to close the first liquid inlet pipe 122 and the first liquid outlet pipe 123, and then separates the nozzle body 11 from the charging socket 200.

[0072] By setting up a controller, the opening or closing of the first liquid inlet valve 1221 and the first liquid outlet valve 1231 can be easily and automatically controlled without manual control, saving manpower and effectively improving cooling efficiency.

[0073] In one embodiment of the present invention, please refer again. Figure 5 Both the liquid supply port 1211 and the liquid return port 1212 are equipped with sealing rings 1215.

[0074] In this embodiment, a sealing ring 1215 is provided on the side of the liquid supply port 1211 facing away from the first liquid inlet pipe 122 to eliminate the gap between the liquid supply port 1211 and the charging socket 200, preventing leakage of the cooling medium and enhancing the cooling effect. Similarly, a sealing ring 1215 is provided on the side of the liquid return port 1212 facing away from the first liquid outlet pipe 123 to eliminate the gap between the liquid return port 1212 and the charging socket 200, preventing leakage of the cooling medium and enhancing the cooling effect. The sealing ring 1215 can be made of rubber, and other compounds can be added according to actual usage requirements to enhance the performance of the sealing ring 1215 and improve the sealing effect.

[0075] Understandably, during the process of aligning the nozzle body 11 with the charging socket 200 and inserting it for fixation, both the liquid supply port 1211 and the liquid return port 1212 move toward the charging socket 200 and eventually abut against the charging socket 200. The sealing ring 1215 is compressed and deformed, thereby eliminating the gap between the liquid supply port 1211 and the charging socket 200, as well as the gap between the liquid return port 1212 and the charging socket 200, preventing the cooling medium from leaking and enhancing the cooling effect.

[0076] In one embodiment of the present invention, the cooling medium storage mechanism is provided with a pump body, and the first liquid inlet pipe 122, the first liquid outlet pipe 123, the liquid inlet branch 1213 and the liquid outlet branch 1214 are all connected to the pump body.

[0077] In this embodiment, the cooling medium storage mechanism includes a storage tank and a pump body. The storage tank is located inside the charging pile 31 and is used to store the cooling medium. The pump body is connected to the storage tank, and the first inlet pipe 122, the first outlet pipe 123, the inlet branch 1213, and the outlet branch 1214 are all connected to the pump body. The pump body is configured as a circulating pump, allowing the cooling medium to continuously circulate. The pump body draws the cooling medium from the storage tank to the first inlet pipe 122 and delivers the cooling medium that has completed heat exchange in the first outlet pipe 123 to the storage tank, thus realizing the circulation of the cooling medium in the charging socket. Simultaneously, the pump body draws the cooling medium from the storage tank to the inlet branch 1213 and delivers the cooling medium that has completed heat exchange in the outlet branch 1214 to the storage tank, thus realizing the circulation of the cooling medium in the charging male terminal 111, thereby cooling the charging male terminal 111 and the charging socket 200. In other embodiments, the storage tank may also be located outside the charging pile 31, without specific limitations.

[0078] Understandably, the gun head body 11 is plugged into and fixed to the charging socket 200. The liquid supply port 1211 and the liquid return port 1212 are both connected to the charging socket 200. The controller controls the opening of the first liquid inlet valve 1221 and the first liquid outlet valve 1231, so that the first liquid inlet pipe 122 and the first liquid outlet pipe 123 are both connected. The pump body draws the cooling medium in the storage tank to the first liquid inlet pipe 122 and delivers the cooling medium that has completed heat exchange in the first liquid outlet pipe 123 to the storage tank, realizing the circulation of the cooling medium to cool the charging socket 200. At the same time, the pump body draws the cooling medium in the storage tank to the liquid inlet branch 1213 and delivers the cooling medium that has completed heat exchange in the liquid outlet branch 1214 to the storage tank, realizing the circulation of the cooling medium to cool the charging male terminal 111. After charging is completed, the pump body draws all the cooling medium in the charging socket 200 back into the storage tank. Then, the controller controls the first liquid inlet valve 1221 and the first liquid outlet valve 1231 to close, thereby closing the first liquid inlet pipe 122 and the first liquid outlet pipe 123. Finally, the nozzle body 11 is separated from the charging socket 200.

[0079] By incorporating a pump, the cooling medium within the charging socket 200 can be drawn back into the storage tank after charging is complete. This prevents residual cooling medium in the charging socket 200, avoids mixing of different cooling media which could affect the performance of the charging socket 200, and extends its service life. In other embodiments, after charging is complete, the pump can also draw the cooling medium within the first cooling chamber 1111 back into the storage tank.

[0080] In one embodiment of the present invention, please refer again to [the relevant documentation]. Figures 1 to 6 The number of charging male terminals 111 is two, and the two first cooling chambers 1111 are connected to each other, or the two first cooling chambers 1111 are not connected to each other.

[0081] In this embodiment, there are two charging male terminals 111. One of the two charging male terminals 111 is set as a positive male terminal, and the other of the two charging male terminals 111 is set as a negative male terminal. The first cooling chamber 1111 is arranged along the side wall of the entire charging male terminal 111, and the first cooling chambers 1111 of the two charging male terminals 111 are interconnected. There is one liquid inlet branch 1213 and one liquid outlet branch 1214. The end of the liquid inlet branch 1213 facing away from the storage tank is connected to the inlet of one of the first cooling chambers 1111, and the end of the liquid outlet branch 1214 facing away from the storage tank is connected to the outlet of one of the first cooling chambers 1111.

[0082] Understandably, the gun head body 11 is plugged into and fixed to the charging socket 200. The controller controls the opening of the first liquid inlet valve 1221 and the first liquid outlet valve 1231. On one hand, the pump body draws the cooling medium in the storage tank to the first liquid inlet pipe 122. The cooling medium flows to the charging socket 200 through the first liquid inlet pipe 122. The cooling medium that has completed heat exchange in the charging socket 200 flows to the first liquid outlet pipe 123. On the other hand, the pump body draws the cooling medium in the storage tank to the liquid inlet branch 1213. The cooling medium flows to the first cooling chamber 1111 through the liquid inlet branch 1213. The two first cooling chambers 1111 are interconnected, so that the cooling medium that has completed heat exchange in the first cooling chamber 1111 flows to the liquid outlet branch 1214. The pump body delivers the cooling medium that has completed heat exchange in the first liquid outlet pipe 123 and the liquid outlet branch 1214 to the storage tank, thereby achieving cooling of the charging male terminal 111 and the charging socket 200.

[0083] Alternatively, the two first cooling chambers 1111 are not connected to each other. There are two inlet branches 1213 and two outlet branches 1214. The ends of both inlet branches 1213 furthest from the first cooling chamber 1111 are connected to a storage tank, and the ends of both outlet branches 1214 furthest from the first cooling chamber 1111 are also connected to a storage tank. One inlet branch 1213 is connected to the inlet of one of the first cooling chambers 1111, and one outlet branch 1214 is connected to the outlet of one of the first cooling chambers 1111; the other inlet branch 1213 is connected to the inlet of the other first cooling chamber 1111, and the other outlet branch 1214 is connected to the outlet of the other first cooling chamber 1111.

[0084] Understandably, after the gun head body 11 is plugged and fixed to the charging socket 200, the controller controls the opening of the first liquid inlet valve 1221 and the first liquid outlet valve 1231. On one hand, the pump body draws the cooling medium in the storage tank to the first liquid inlet pipe 122. The cooling medium flows to the charging socket 200 through the first liquid inlet pipe 122. The cooling medium that has completed heat exchange in the charging socket 200 flows to the first liquid outlet pipe 123. On the other hand, the pump body draws the cooling medium in the storage tank to the liquid inlet branch 1213. After heat exchange in the corresponding first cooling chamber 1111, the cooling medium flows to the corresponding liquid outlet branch 1214. The pump body delivers the cooling medium that has completed heat exchange in the first liquid outlet pipe 123 and the liquid outlet branch 1214 to the storage tank, thereby cooling the charging male terminal 111 and the charging socket 200.

[0085] This invention also proposes a charging socket 200, which is plugged into and cooperates with the charging gun 100. Please refer to the following for further details. Figures 1 to 4 , Figures 8 to 10 The charging socket 200 includes a socket body 21 and a cooling pipe 22. The socket body 21 is provided with a charging female terminal 211, and a second cooling cavity 2111 is formed in the charging female terminal 211. A second cooling flow path is formed in the cooling pipe 22, and the second cooling flow path is connected to the second cooling cavity 2111. When the charging male terminal 111 and the charging female terminal 211 are plugged in, the cooling pipe 22 is connected to the cooling component 12, so that the second cooling flow path is connected to the first cooling flow path.

[0086] In this embodiment, the charging socket 200 is installed and electrically connected to the electric device 32, which can be an electric car, an electric motorcycle, or an electric truck, etc., without specific limitation. The charging socket 200 includes a socket body 21 and a cooling pipe 22. The socket body 21 is used to connect and cooperate with the gun head body 11, wherein the male charging terminal 111 is connected to the female charging terminal 211 to charge the electric device 32. A second cooling chamber 2111 is formed in the female charging terminal 2111, and a cooling medium is introduced into the second cooling chamber 2111 to cool the female charging terminal 2111.

[0087] Cooling pipe 22 is connected to socket body 21, and a second cooling flow path is formed within cooling pipe 22. The second cooling flow path is connected to the second cooling chamber 2111. When the charging male terminal 111 is plugged into the charging female terminal 211, the second cooling flow path is connected to the liquid supply port 1211 and the liquid return port 1212. The second cooling flow path and the second cooling chamber 2111 are connected in series, so that the cooling medium can flow through the second cooling flow path and the second cooling chamber 2111 in sequence to cool the charging female terminal 211. The second cooling flow path has at least two liquid passages, an inlet channel and an outlet channel, both of which are connected to the second cooling chamber 2111.

[0088] Understandably, the gun head body 11 is aligned with the socket body 21, and the charging male terminal 111 is plugged into the charging female terminal 211. The liquid supply port 1211 is connected to the liquid inlet channel of the second cooling flow path, and the liquid return port 1212 is connected to the liquid outlet channel of the second cooling flow path. The controller controls the opening of the first liquid inlet valve 1221 and the first liquid outlet valve 1231, so that the first liquid inlet pipe 122 and the first liquid outlet pipe 123 are both open. The pump body draws the cooling medium in the storage tank into the first liquid inlet pipe 122. The cooling medium flows through the liquid supply port 1211 to the liquid inlet channel of the second cooling flow path, and then flows through the liquid inlet channel of the second cooling flow path to the second cooling chamber 2111 to cool the charging female terminal 211. The cooling medium that has completed heat exchange in the second cooling chamber 2111 flows through the outlet channel of the second cooling flow path, through the return port 1212, and to the first outlet pipe 123. The pump body delivers the cooling medium that has completed heat exchange in the first outlet pipe 123 to the storage tank to cool the charging socket 200. After charging is completed, the pump body draws the cooling medium in both the first cooling chamber 1111 and the second cooling chamber 2111 back into the storage tank. Then, the controller closes the first inlet valve 1221 and the first outlet valve 1231, and finally separates the nozzle body 11 from the socket body 21.

[0089] By setting up cooling pipes 22, during the charging process of the electric device 32 by connecting the male charging terminal 111 and the female charging terminal 211, the female charging terminal 211 can be cooled down in conjunction with the first cooling flow path of the cooling component 12. This achieves simultaneous cooling of the male charging terminal 111 and the female charging terminal 211, improves the cooling effect, reduces safety hazards, and enhances the safety of charging.

[0090] In one embodiment of the present invention, please refer again to [the relevant documentation]. Figures 1 to 4 , Figures 8 to 10 The cooling pipe 22 includes a second inlet pipe 221 and a second outlet pipe 222. One end of the second inlet pipe 221 is connected to the inlet of the second cooling chamber 2111, and the other end of the second inlet pipe 221 passes through the socket body 21 to form an inlet port 2211. One end of the second outlet pipe 222 is connected to the outlet of the second cooling chamber 2111, and the other end of the second outlet pipe 222 passes through the socket body 21 to form an outlet port 2221. The inlet port 2211 and the outlet port 2221 are used to cooperate and communicate with the first cooling flow path.

[0091] In this embodiment, a liquid inlet flow path 2212 is formed inside the second liquid inlet pipe 221. One end of the liquid inlet flow path 2212 is connected to the inlet of the second cooling chamber 2111. The second liquid inlet pipe 221 passes through the socket body 21 to form a liquid inlet 2211 connected to the liquid inlet flow path 2212. The liquid inlet 2211 is used to communicate with the liquid supply port 1211, so that the cooling medium in the first liquid inlet pipe 122 can flow into the second liquid inlet pipe 221 and flow into the second cooling chamber 2111 through the second liquid inlet pipe 221.

[0092] The second liquid outlet pipe 222 has a liquid outlet flow path 2222. One end of the liquid outlet flow path 2222 is connected to the outlet of the second cooling chamber 2111. The second liquid outlet pipe 222 passes through the socket body 21 to form a liquid outlet 2221 connected to the liquid outlet flow path 2222. The liquid outlet 2221 is used to connect with the return port 1212, so that the cooling medium that has completed heat exchange in the first cooling chamber 2111 can flow through the second liquid outlet pipe 222 to the first liquid outlet pipe 123, thereby realizing the circulation of the cooling medium and cooling the charging female terminal 211.

[0093] The second liquid inlet pipe 221, the second cooling chamber 2111 and the second liquid outlet pipe 222 are arranged in series, and the liquid inlet flow path 2212 and the liquid outlet flow path 2222 together form the second cooling flow path.

[0094] Understandably, the nozzle body 11 is plugged into and fixed to the socket body 21, the liquid supply port 1211 is connected to the liquid inlet 2211, and the liquid return port 1212 is connected to the liquid outlet 2221. The controller controls the opening of the first liquid inlet valve 1221 and the first liquid outlet valve 1231, so that the first liquid inlet pipe 122 and the first liquid outlet pipe 123 are both connected. The pump body draws the cooling medium in the storage tank into the first liquid inlet pipe 122. The cooling medium in the first liquid inlet pipe 122 flows to the second cooling chamber 2111 through the liquid supply port 1211, the liquid inlet 2211 and the second liquid inlet pipe 221. At the same time, the cooling medium that has completed heat exchange in the second cooling chamber 2111 flows to the first liquid outlet pipe 123 through the liquid outlet 2221, the liquid return port 1212 and the second liquid outlet pipe 222. The pump body delivers the cooling medium that has completed heat exchange in the first outlet pipe 123 to the storage tank, realizing the circulation of the cooling medium to cool the charging terminal 211. After charging is completed, the pump body draws all the cooling medium in the second cooling chamber 2111 back into the storage tank, and then controls the first inlet valve 1221 and the first outlet valve 1231 to close through the controller, thereby closing the first inlet pipe 122 and the first outlet pipe 123. Finally, the nozzle body 11 is separated from the charging socket 200.

[0095] By setting a second liquid inlet pipe 221, it is convenient to continuously introduce cooling medium into the second cooling chamber 2111, and to export the cooling medium in the second cooling chamber 2111 through the second liquid outlet pipe 222, so as to realize the circulation of cooling medium, effectively enhance the cooling effect and improve the cooling efficiency.

[0096] In one embodiment of the present invention, please refer again to [the relevant documentation]. Figure 3 , Figure 8 and Figure 10 The second liquid inlet pipe 221 is provided with a second liquid inlet valve 2213 at one end facing the socket body 21; and / or, the second liquid outlet pipe 222 is provided with a second liquid outlet valve 2223 at one end facing the socket body 21.

[0097] In this embodiment, a second inlet valve 2213 is provided at the end of the second inlet pipe 221 facing the socket body 21 to control the opening or closing of the second inlet pipe 221; and / or, a second outlet valve 2223 is provided at the end of the second outlet pipe 222 facing the socket body 21 to control the opening or closing of the second outlet pipe 222. Both the second inlet valve 2213 and the second outlet valve 2223 are electric valves, and both are electrically connected to a controller so that the controller can uniformly control the first inlet valve 1221, the first outlet valve 1231, the second inlet valve 2213, and the second outlet valve 2223.

[0098] Understandably, after the male charging terminal 111 and the female charging terminal 211 are plugged and fixed, the controller controls the first liquid inlet valve 1221, the first liquid outlet valve 1231, the second liquid inlet valve 2213 and the second liquid outlet valve 2223 to open, so that the first liquid inlet pipe 122, the first liquid outlet pipe 123, the second liquid inlet pipe 221 and the second liquid outlet pipe 222 are all connected, so that the cooling medium can flow into the first cooling chamber 1111 and the second cooling chamber 2111 to cool the male charging terminal 111 and the female charging terminal 211. After charging is complete, the pump body empties the cooling medium in the second cooling chamber 2111. Then, the controller controls the first liquid inlet valve 1221, the first liquid outlet valve 1231, the second liquid inlet valve 2213, and the second liquid outlet valve 2223 to close the first liquid inlet pipe 122, the first liquid outlet pipe 123, the second liquid inlet pipe 221, and the second liquid outlet pipe 222. Finally, the nozzle body 11 is separated from the socket body 21.

[0099] In one embodiment of the present invention, please refer again. Figure 8 Both the inlet 2211 and the outlet 2221 are equipped with a sealing element 223.

[0100] In this embodiment, a sealing element 223 is provided on the side of the liquid inlet 2211 facing away from the second liquid inlet pipe 221. The sealing element 223, in conjunction with the sealing ring 1215, eliminates the gap between the liquid inlet 2211 and the liquid supply port 1211, preventing leakage of the cooling medium. Similarly, a sealing element 223 is provided on the side of the liquid outlet 2221 facing away from the second liquid outlet pipe 222. This sealing element 223, in conjunction with the sealing ring 1215, eliminates the gap between the liquid outlet 2221 and the liquid return port 1212, preventing leakage of the cooling medium. The sealing element 223 can be made of rubber, possessing a certain degree of elasticity, and thus deforms under pressure, improving the sealing effect.

[0101] Understandably, the male charging terminal 111 is plugged into the female charging terminal 211, the liquid supply port 1211 is aligned with and abuts against the liquid inlet 2211, the liquid return port 1212 is aligned with and abuts against the liquid outlet 2221, the sealing ring 1215 and the sealing element 223 abut against each other and are deformed by compression, thereby eliminating the gap between the liquid supply port 1211 and the liquid inlet 2211, as well as the gap between the liquid return port 1212 and the liquid outlet 2221, preventing the cooling medium from leaking and enhancing the cooling effect.

[0102] The present invention also proposes a charging system 300, including a charging gun 100 and a charging socket 200, which can be referred to again. Figures 1 to 10 The charging gun 100 and the charging socket 200 are plugged into each other, and the cooling component 12 of the charging gun 100 is connected to the cooling pipe 22 of the charging socket 200, so that the second cooling flow path of the charging socket 200 is connected to the first cooling flow path of the charging gun 100.

[0103] In this embodiment, one end of the charging gun 100 is connected to the charging pile 31 via a wiring harness, so that the charging pile 31 supplies power to the charging gun 100. The charging socket 200 is fixedly installed on the electric device 32, and the electric device 32 is charged by the plugging and mating of the charging gun 100 and the charging socket 200.

[0104] Understandably, after the male charging terminal 111 of the charging gun 100 is plugged and fixed to the female charging terminal 211 of the charging socket 200, the controller controls the opening of the first liquid inlet valve 1221, the first liquid outlet valve 1231, the second liquid inlet valve 2213, and the second liquid outlet valve 2223, so that the first liquid inlet pipe 122, the first liquid outlet pipe 123, the second liquid inlet pipe 221, and the second liquid outlet pipe 222 are all connected. This allows the cooling medium to flow into the first cooling chamber 1111 through the liquid inlet branch 1213 to cool the male charging terminal 111, and the cooling medium can also enter the second cooling chamber 2111 through the first liquid inlet pipe 122 and the second liquid inlet pipe 221 to cool the female charging terminal 211. Simultaneously, the cooling medium that has completed heat exchange in the first cooling chamber 1111 flows out through the outlet branch 1214, and the cooling medium that has completed heat exchange in the second cooling chamber 2111 flows to the first outlet pipe 123 through the second outlet pipe 222. Through the continuous action of the pump, the cooling medium can be continuously introduced into both the first cooling chamber 1111 and the second cooling chamber 2111, realizing the circulation of the cooling medium, thereby cooling the charging male terminal 111 and the charging female terminal 211, effectively preventing the charging socket 200 from overheating during charging and reducing safety hazards. After charging is completed, the pump empties the cooling medium in the second cooling chamber 2111, and the controller controls the first inlet valve 1221, the first outlet valve 1231, the second inlet valve 2213, and the second outlet valve 2223 to close the first inlet pipe 122, the first outlet pipe 123, the second inlet pipe 221, and the second outlet pipe 222, and then separates the gun head body 11 from the socket body 21.

[0105] The above description is merely an optional embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention specification and drawings under the concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A charging system, characterized by, include: A charging gun includes a gun head body and a cooling component. The gun head body has a male charging terminal, and a first cooling cavity is formed within the male charging terminal. The first cooling cavity is connected to a cooling medium storage mechanism. The cooling component is connected to the gun head body and has a first cooling flow path formed within it. The first cooling flow path is used to communicate with the cooling medium storage mechanism. A charging socket includes a socket body and a cooling pipe. The socket body is provided with a charging female terminal, and a second cooling cavity is formed inside the charging female terminal. A second cooling flow path is formed inside the cooling pipe, and the second cooling flow path is connected to the second cooling cavity. When the charging gun and the charging socket are plugged in, the cooling pipe is connected to the cooling component of the charging gun, so that the second cooling flow path of the charging socket is connected to the first cooling flow path of the charging gun, and the first cooling flow path is used to cool the charging socket. The cooling medium storage mechanism includes a storage tank and a pump body. The storage tank is located inside the charging pile and is used to store the cooling medium. The pump body is connected to the storage tank. After the charging socket of the gun head body is plugged in and fixed, the pump body circulates the cooling medium in the storage tank in the first cooling chamber and the first cooling flow path, the second cooling flow path and the second cooling chamber. After charging is completed, the pump body draws the cooling medium in the charging socket back into the storage tank.

2. The charging system of claim 1, wherein, The cooling component includes: A connecting plate is connected to the gun head body and is provided with a liquid supply port and a liquid return port, which are used to communicate with the charging socket; A first liquid inlet pipe, one end of which is connected to the cooling medium storage mechanism, and the other end of which is connected to the liquid supply port; and A first liquid outlet pipe, one end of which is connected to the cooling medium storage mechanism, and the other end of which is connected to the return port.

3. The charging system of claim 2, wherein, A first inlet valve is provided at one end of the first inlet pipe facing the connecting plate; And / or, the end of the first outlet pipe facing the connecting plate is provided with a first outlet valve.

4. The charging system of claim 3, wherein, The cooling component also includes a controller, and the first liquid inlet valve and the first liquid outlet valve are both connected to the controller.

5. The charging system of claim 2, wherein, Both the liquid supply port and the liquid return port are equipped with sealing rings.

6. The charging system of claim 2, wherein, The cooling medium storage mechanism is equipped with a pump body, and the first inlet pipe and the first outlet pipe are both connected to the pump body.

7. The charging system of claim 1, wherein, The cooling pipeline includes: A second liquid inlet pipe, one end of which is connected to the inlet of the second cooling chamber, and the other end of which passes through the socket body to form a liquid inlet; and The second liquid outlet pipe has one end connected to the outlet of the second cooling chamber, and the other end of the second liquid outlet pipe passes through the socket body to form a liquid outlet. The liquid inlet and the liquid outlet are used to connect with the first cooling flow path.

8. The charging system of claim 7, wherein, A second inlet valve is provided at one end of the second inlet pipe facing the socket body; And / or, a second outlet valve is provided at one end of the second outlet pipe facing the socket body.

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