Charging gun with overheating protection function for new energy automobile

Abstract

The utility model relates to the technical field of new energy automobile charging, in particular to a new energy automobile charging gun with an overheating protection function. According to the technical scheme, the device comprises a charging gun barrel, a plug is fixedly installed on one side of the charging gun barrel, a handle is fixedly installed on the other side of the charging gun barrel, charging wires connected with the charging gun barrel are fixedly installed in the charging gun barrel and the handle, and the charging wires are sleeved with multiple sets of annular temperature sensors. According to the utility model, through combination of various structures, the charging gun can carry out monitoring and overheat protection on the working temperature, so that the situation that the charging gun is damaged or causes a fire disaster due to long-time overheat use is avoided, and the safety of the charging gun during use is improved; and the charging gun can be automatically pulled out after the charging gun finishes charging the vehicle, so that other personnel can conveniently charge the vehicle through the charging gun, and the practicability of the charging gun is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle charging, in particular to a charging gun for new energy vehicles with an overheating protection function. Background Art

[0002] New energy vehicles refer to vehicles that use non-traditional fuels as their power source, mainly including pure electric vehicles, plug-in hybrid vehicles, fuel cell vehicles, etc. New energy vehicles need to be charged when replenishing electricity, so a charging gun is needed. Among them, the "waterproof charging gun for new energy vehicles" disclosed by the application number "CN220172473U" has solved the technical disadvantage that rainwater may come into contact with the charging port through the outer shell of the charging gun, but in actual use, charging guns with similar structures still have many defects, such as, there is no overheating protection for the charging gun during operation. When the charging gun is in an overheated state for a long time, it will cause damage and is very likely to cause a fire; at the same time, it does not have the function of automatically unplugging the charging gun after charging is completed. When the new energy vehicle is charged and still plugged in the charging port, it will affect the charging and use of other people, so it is necessary to design a charging gun for new energy vehicles with overheating protection function. Utility Model Content

[0003] The purpose of the utility model is to provide a charging gun for new energy vehicles with an overheating protection function to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a charging gun for new energy vehicles with an overheating protection function, comprising a charging gun rod, a plug is fixedly installed on one side of the charging gun rod, and a handle is fixedly installed on the other side of the charging gun rod, a charging wire connected to the charging gun rod is fixedly installed inside the charging gun rod and the handle, a plurality of groups of annular temperature sensors are provided on the outer sleeve of the charging wire, a sheet temperature sensor is fixedly installed on one side of the plug, a circular circuit breaker is fixedly installed on the charging wire, two groups of miniature push rods are fixedly installed inside one side of the charging gun rod, and a push plate is fixedly installed on the output end of the miniature push rod, a locking plate is movably installed on the upper side of one side of the charging gun rod, and an adjustment sleeve is movably installed on one side of the locking plate, a mini motor is fixedly installed inside one side of the charging gun rod, and a threaded rod threadedly connected to the adjustment sleeve is fixedly installed on the output end of the mini motor.

[0005] A charging gun for a new energy vehicle with an overheat protection function using the technical solution, the charging gun rod can be connected to the charging port of the new energy vehicle through an installation plug, the charging line can be connected to the charging pile through the power line to supply power to the installation plug, the rubber sleeve can protect the connection between the power line and the handle, so that the new energy vehicle can be charged through the charging gun, the chip temperature sensor can monitor the temperature at the connection between the charging gun and the charging hole of the car, the ring temperature sensor can monitor the temperature outside the charging line, so that the temperature of the charging gun during operation can be monitored in real time through the chip temperature sensor and the ring temperature sensor, the control mainboard in the charging gun collects the data detected by the chip temperature sensor and the ring temperature sensor, and the control mainboard of the charging gun can disconnect and control the circular circuit breaker according to the data monitored by the chip temperature sensor and the ring temperature sensor, so that the charging gun can be prevented from charging for a long time in an overheated state, thereby increasing the service life of the charging gun, avoiding damage to the charging gun when used in an overheated state or even causing a fire, and improving the safety of charging new energy vehicles;

[0006] The locking plate is used in conjunction with the buckle on the car charging port to lock the charging gun during operation, preventing the charging gun from being pulled out by other people when charging the vehicle, and increasing the stability of the charging gun when in use. The mini motor drives the threaded rod to rotate to adjust the adjustment sleeve and the locking plate, so that the locking plate can be ejected from the buckle in the charging port after the car is charged, making it easier for people to take out the charging gun. The micro push rod can extend to push the push plate, so that the charging gun can be automatically pulled out after the car is charged through the cooperation of the micro push rod and the push plate, making it easier for other people to use the charging gun, increasing the functionality of the charging gun and improving convenience during use.

[0007] Preferably, the bottom of the charging cable is fixedly connected with a power cable, and the bottom of the handle is fixedly installed with a rubber sleeve. The power cable is connected to the charging pile to supply power to the plug, and the rubber sleeve can protect the connection between the power cable and the handle.

[0008] Preferably, a plurality of positioning holes are provided inside the plug, and the positioning holes can limit the position of the plug when connected to the charging port of the car, thereby increasing the accuracy of the plug when connected.

[0009] Preferably, a heat dissipation cover is fixedly mounted on the front and back of the charging gun rod, and heat dissipation holes are arranged on the surface of the heat dissipation cover at equal distances. The heat dissipation cover and the heat dissipation holes can dissipate heat inside the charging gun when it is in use, avoiding the situation where the inside of the charging gun cannot dissipate heat.

[0010] Preferably, a display screen is fixedly mounted on the top of the charging gun rod, and an indicator light is fixedly mounted on the other side of the display screen. The display screen is connected to the control mainboard of the charging gun via a lead, so that the battery status of the vehicle can be displayed through the display screen, and the indicator light can indicate the operating status of the charging pile.

[0011] Preferably, a grip sleeve is fixedly mounted on the outer wall of the handle, and the surface of the grip sleeve is provided with anti-skid patterns. The grip sleeve increases the comfort of the operator when holding the charging gun, and the anti-skid patterns increase the friction of the grip sleeve surface and improve the stability when holding.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By setting up the cooperation between the chip temperature sensor, the ring temperature sensor and the circular circuit breaker, the chip temperature sensor can measure the temperature of the charging gun and the vehicle charging port, the ring temperature sensor can measure the temperature of the wire inside the charger, and the circular circuit breaker can cut off the power when the chip temperature sensor and the ring temperature sensor detect that the charging gun is in an overheated state, thereby avoiding the situation where the charging gun is damaged or causes a fire due to long-term overheating, and increasing the safety of the charging gun when in use.

[0014] 2. By setting the cooperation between the locking plate and the mini motor, the micro push rod and the push plate, the locking plate and the mini motor can be locked when the charging gun is connected to the vehicle charging port, thereby increasing the stability of the charging gun when connecting to the vehicle for charging. The micro push rod and the push plate can be automatically pulled out after the charging gun completes charging the vehicle, making it easier for other personnel to charge the vehicle through the charging gun, thereby improving the practicality of the charging gun. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a front structural schematic diagram of the utility model;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the locking plate structure of the utility model;

[0019] Figure 5 It is a schematic diagram of the push plate structure of the utility model.

[0020] In the figure: 1. power cord; 101. rubber sleeve; 2. handle; 201. grip sleeve; 202. anti-slip pattern; 3. heat dissipation cover; 301. heat dissipation hole; 4. charging gun rod; 401. installation plug; 402. chip temperature sensor; 403. positioning hole; 5. display screen; 501. indicator light; 6. locking plate; 601. mini motor; 602. threaded rod; 603. adjustment sleeve; 7. charging cable; 701. circular circuit breaker; 702. ring temperature sensor; 8. micro push rod; 801. push plate. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] Embodiment 1

[0023] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the utility model proposes a charging gun for new energy vehicles with an overheating protection function, including a charging gun rod 4, a plug 401 is fixedly installed on one side of the charging gun rod 4, and a handle 2 is fixedly installed on the other side of the charging gun rod 4, a charging line 7 connected to the charging gun rod 4 is fixedly installed inside the charging gun rod 4 and the handle 2, a plurality of groups of annular temperature sensors 702 are provided on the outer sleeve of the charging line 7, a sheet temperature sensor 402 is fixedly installed on one side of the plug 401, a circular circuit breaker 701 is fixedly installed on the charging line 7, two groups of miniature push rods 8 are fixedly installed inside one side of the charging gun rod 4, and a push plate 801 is fixedly installed on the output end of the miniature push rod 8, a locking plate 6 is movably installed on the upper side of one side of the charging gun rod 4, and an adjusting sleeve 603 is movably installed on one side of the locking plate 6, a mini motor 601 is fixedly installed inside one side of the charging gun rod 4, and a threaded rod 602 threadedly connected to the adjusting sleeve 603 is fixedly installed on the output end of the mini motor 601;

[0024] The bottom of the charging cable 7 is fixedly connected to the power cable 1, and the bottom of the handle 2 is fixedly installed with a rubber sleeve 101. The front and back of the charging gun rod 4 are fixedly installed with a heat dissipation cover 3, and the surface of the heat dissipation cover 3 is evenly spaced with heat dissipation holes 301.

[0025] The working principle of the charging gun for new energy vehicles with overheat protection function based on Example 1 is as follows: the charging gun rod 4 can be connected to the charging port of the new energy vehicle through the plug 401, the charging line 7 can be connected to the charging pile through the power line 1 to supply power to the plug 401, the rubber sleeve 101 can protect the connection between the power line 1 and the handle 2, so that the new energy vehicle can be charged through the charging gun, the chip temperature sensor 402 can monitor the temperature of the connection between the charging gun and the charging port of the vehicle, and the ring temperature sensor 702 can monitor the temperature outside the charging line 7, so that the chip temperature sensor 402 can be used to monitor the temperature of the charging gun and the charging port of the vehicle. The temperature of the charging gun during operation can be monitored in real time with the annular temperature sensor 702. The control mainboard in the charging gun collects the data monitored by the sheet temperature sensor 402 and the annular temperature sensor 702. At the same time, the control mainboard of the charging gun can disconnect and control the circular circuit breaker 701 according to the data monitored by the sheet temperature sensor 402 and the annular temperature sensor 702, thereby preventing the charging gun from charging for a long time in an overheated state, increasing the service life of the charging gun, avoiding damage to the charging gun or even causing a fire when the charging gun is used in an overheated state, and improving the safety of charging new energy vehicles;

[0026] The heat dissipation cover 3 and the heat dissipation holes 301 can dissipate heat inside the charging gun when it is in use, thereby avoiding the situation where the inside of the charging gun cannot dissipate heat. The locking plate 6 can be used in conjunction with the buckle on the car charging port to lock the charging gun during operation, thereby avoiding the situation where the charging gun is pulled out by other people when the vehicle is charging, thereby increasing the stability of the charging gun when in use. The mini motor 601 drives the threaded rod 602 to rotate to adjust the adjustment sleeve 603 and the locking plate 6, so that the locking plate 6 can be ejected from the buckle of the charging port after the car is charged, making it easier for people to take out the charging gun. The micro push rod 8 can push the push plate 801 by extending, so that the charging gun can be automatically pulled out after the car is charged through the cooperation of the micro push rod 8 and the push plate 801, thereby facilitating other people to use the charging gun, thereby increasing the functionality of the charging gun and improving the convenience of use.

[0027] Embodiment 2

[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the utility model proposes a charging gun for new energy vehicles with overheating protection function. Compared with the first embodiment, this embodiment also includes: a plurality of positioning holes 403 are arranged inside the plug 401, a display screen 5 is fixedly installed on the top of the charging gun rod 4, and an indicator light 501 is fixedly installed on the other side of the display screen 5, a gripping cover 201 is fixedly installed on the outer wall of the handle 2, and the surface of the gripping cover 201 is provided with anti-slip grooves 202.

[0029] In this embodiment, Figure 2 As shown, the positioning hole 403 can limit the position of the plug 401 when it is connected to the car charging port, thereby increasing the accuracy of the plug 401 when it is connected; Figure 1 and Figure 2 , Figure 3 , Figure 5 As shown, the display screen 5 is connected to the control mainboard of the charging gun, so that the battery status of the vehicle can be displayed through the display screen 5, and the indicator light 501 can indicate the operating status of the charging pile; Figure 1 and Figure 2 , Figure 5 As shown, the gripping sleeve 201 increases the comfort of the operator when holding the charging gun, and the anti-slip pattern 202 increases the friction on the surface of the gripping sleeve 201, thereby improving the stability when holding.

[0030] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A charging gun for a new energy vehicle with an overheat protection function, comprising a charging gun rod (4), characterized in that: A plug (401) is fixedly mounted on one side of the charging gun rod (4), and a handle (2) is fixedly mounted on the other side of the charging gun rod (4); a charging wire (7) connected to the charging gun rod (4) is fixedly mounted inside the charging gun rod (4) and the handle (2); a plurality of groups of annular temperature sensors (702) are sleeved on the outside of the charging wire (7); a sheet temperature sensor (402) is fixedly mounted on one side of the plug (401); and a circular circuit breaker (701) is fixedly mounted on the charging wire (7). Two groups of micro push rods (8) are fixedly installed inside one side of the charging gun rod (4), and a push plate (801) is fixedly installed at the output end of the micro push rod (8). A locking plate (6) is movably installed above one side of the charging gun rod (4), and an adjustment sleeve (603) is movably installed on one side of the locking plate (6). A mini motor (601) is fixedly installed inside one side of the charging gun rod (4), and a threaded rod (602) threadedly connected to the adjustment sleeve (603) is fixedly installed at the output end of the mini motor (601).

2. A charging gun for new energy vehicles with overheat protection function according to claim 1, characterized in that: The bottom of the charging cable (7) is fixedly connected to a power cable (1), and the bottom of the handle (2) is fixedly mounted with a rubber sleeve (101).

3. The charging gun for new energy vehicles with overheat protection function according to claim 1 is characterized in that: The interior of the plug (401) is provided with a plurality of positioning holes (403).

4. The charging gun for new energy vehicles with overheat protection function according to claim 1 is characterized in that: The front and back sides of the charging gun rod (4) are fixedly mounted with heat dissipation covers (3), and the surfaces of the heat dissipation covers (3) are all provided with heat dissipation holes (301) at equal distances.

5. The charging gun for new energy vehicles with overheat protection function according to claim 1 is characterized in that: A display screen (5) is fixedly mounted on the top of the charging gun rod (4), and an indicator light (501) is fixedly mounted on the other side of the display screen (5).

6. The charging gun for new energy vehicles with overheat protection function according to claim 1, characterized in that: A gripping sleeve (201) is fixedly mounted on the outer wall of the handle (2), and the surface of the gripping sleeve (201) is provided with anti-slip patterns (202).

Images