Portable new energy electric vehicle discharging device

Abstract

The utility model discloses a portable new energy electric vehicle discharging device. The portable new energy electric vehicle discharging device comprises a screen, a starting switch, a power socket, a discharging gun, a shell, a power taking protocol board, a voltage and current acquisition module, a low-voltage power module and a high-voltage power module. The charging module is connected to a direct current charging port of the new energy electric vehicle, the new energy electric vehicle discharges, and household alternating current is provided for external electric equipment or other new energy electric vehicles are charged; a direct current charging port discharging mode of a new energy electric vehicle is adopted, the vehicle-mounted charging device is wide in adaptive vehicle type, not limited by a vehicle-mounted charger, easy to operate, small in size, light in weight and convenient to carry along with the vehicle, the voltage acquisition module monitors discharging voltage and discharging current in real time, discharging can be automatically stopped when discharging is abnormal, and the vehicle-mounted charging device is not affected by regional environments, and the vehicle-mounted charging device is convenient to use. And diversified vehicle use requirements of users are enriched.

Description

TECHNICAL FIELD

[0001] The utility model relates to, specifically related to a portable new energy electric vehicle discharging device. BACKGROUND

[0002] In recent years, the new energy electric vehicle industry develops rapidly in China, the possession of new energy electric vehicles increases year by year, and China's new energy electric vehicle industry has ushered in a new period of rapid development, and more and more people choose new energy electric vehicles as a means of transportation. At present, new energy electric vehicles mainly store a large amount of electric energy through on-board power batteries to drive vehicles. In some emergency situations, if the power stored in the power battery can be discharged externally, it will bring a lot of convenience to people's life or work. For example, when camping, the power stored in the power battery of the new energy electric vehicle can provide household alternating current to the outside, so that the user can use household appliances such as induction cookers, electric ovens and computers; or when other new energy electric vehicles are insufficient in power and there is no charging pile nearby, the new energy electric vehicle with sufficient power can discharge externally to provide rescue, solving the trouble caused by the user's inability to drive due to insufficient power. SUMMARY

[0003] In order to solve the problems in the background art, the utility model provides a portable new energy electric vehicle discharging device, which can meet the diversified vehicle needs of users.

[0004] The portable new energy electric vehicle discharging device of the utility model comprises: a starting switch, a power socket, a discharging gun, a shell, a power taking protocol board, a voltage and current acquisition module, a low-voltage power module and a high-voltage power module; wherein the shell has a cavity inside, and the power taking protocol board, the voltage and current acquisition module, the low-voltage power module and the high-voltage power module are arranged inside the shell; a starting switch is arranged on the surface of the shell; the power socket outside the shell is connected with the high-voltage power module and the voltage and current acquisition module inside the shell through a wire harness; the discharging gun outside the shell is connected with the power taking protocol board, the voltage and current acquisition module, the low-voltage power module and the high-voltage power module inside the shell through a wire harness; the low-voltage power module is connected with the voltage and current acquisition module, the starting switch, the power taking protocol board and the high-voltage power module; the power taking protocol board is further connected with the voltage and current acquisition module; and the voltage and current acquisition module is further connected with the high-voltage power module.

[0005] It further comprises a screen arranged on the surface of the shell; the low-voltage power module is connected with the screen to provide working power for the screen; the screen is connected with the voltage and current acquisition module through a signal line, and the user can know the remaining power, discharging voltage and current information of the vehicle in real time through the screen display information. The screen adopts a capacitive touch liquid crystal screen.

[0006] The discharge gun adopts a nine-hole direct current discharge gun. The discharge gun comprises a high-voltage direct current positive electrode DC+, a high-voltage direct current negative electrode DC-, a low-voltage auxiliary power positive electrode A+, a low-voltage auxiliary power negative electrode A-, a first charging connection confirmation end CC1, a second charging connection confirmation end CC2, a charging communication high end S+, a charging communication low end S-, and a ground end PE. The high-voltage direct current positive electrode DC+ and the high-voltage direct current negative electrode DC- are collectively referred to as a high-voltage direct current power end, the low-voltage auxiliary power positive electrode A+ and the low-voltage auxiliary power negative electrode A- are collectively referred to as a low-voltage auxiliary power end, the first charging connection confirmation end CC1 and the second charging connection confirmation end CC2 are collectively referred to as a charging connection confirmation end, and the charging communication high S+ and the charging communication low S- are collectively referred to as a charging communication end. Correspondingly, the direct current charging port of the new energy electric vehicle also comprises nine holes. During discharging, the discharge gun is inserted into the direct current charging port of the new energy electric vehicle, so as to be connected to the power taking protocol board, the voltage and current acquisition module, the low-voltage power module, and the high-voltage power module through a wire harness respectively. The charging connection confirmation end of the direct current charging port of the new energy electric vehicle is connected to the charging connection confirmation end of the power taking protocol board, the ground end of the direct current charging port of the new energy electric vehicle is connected to the ground end of the power taking protocol board, the signal end of the voltage and current acquisition module is connected to the charging communication end of the direct current charging port of the new energy electric vehicle and the charging communication end of the power taking protocol board respectively, the low-voltage auxiliary power end of the direct current charging port of the new energy electric vehicle is connected to the low-voltage auxiliary power end of the power taking protocol board and the low-voltage auxiliary power end of the low-voltage power module respectively, and the high-voltage direct current power end of the direct current charging port of the new energy electric vehicle is connected to the input end of the high-voltage power module and the high-voltage direct current power end of the low-voltage auxiliary power module respectively. The output end of the high-voltage power module is connected to the power socket. The low-voltage power end of the low-voltage auxiliary power module is connected to the low-voltage power end of the voltage and current acquisition module. The signal end of the voltage and current acquisition module is connected to the live wire and the zero line of the high-voltage power module through a signal line.

[0007] The low-voltage power end of the low-voltage auxiliary power module is also connected to the low-voltage power end of the screen. The signal end of the voltage and current acquisition module is also connected to the signal end of the screen through a signal line.

[0008] During discharging, the discharging gun is inserted into the DC charging port of the new energy electric vehicle, and the start switch is pressed, and the low-voltage power supply module provides power supply to the power taking protocol board, the screen and the voltage and current acquisition module; the power taking protocol board obtains the connection signal of the discharging gun and the DC charging port of the new energy electric vehicle, and starts discharging work after confirming the connection; during discharging, the high-voltage DC power supply of the discharging gun continuously provides high-voltage DC power supply to the high-voltage power supply module and the low-voltage power supply module; the low-voltage power supply module converts the high-voltage DC power into low-voltage DC power and provides DC working power to the power taking protocol board, the screen and the voltage and current acquisition module, and the high-voltage power supply module converts the high-voltage DC power supply into AC power and outputs to the power socket, and the user externally connects the power equipment, such as the electromagnetic oven, the electric oven and other diversified power equipment, or charges other new energy electric vehicles; during discharging, the voltage and current acquisition module obtains the current residual power of the vehicle in real time, and the voltage and current acquisition module obtains the discharging voltage and current information in real time and sends to the screen for real-time display, and the user can know the residual power of the vehicle, the discharging voltage and current information through the screen display information in real time.

[0009] Further, the utility model still includes the heat dissipation window, set up in the lateral wall of shell, the outside and inside of shell are connected, during discharging, play the role of the electronic components of inside heat dissipation. Still include the handle, set up in the outer surface of shell, make things convenient for device to take and remove.

[0010] The high-voltage power supply module adopts rated power 5KW, input DC voltage 200V~500V, and output AC voltage 220V; the low-voltage power supply module adopts input DC voltage 200V~500V, and output DC voltage 5V~12V.

[0011] The utility model has the advantages of:

[0012] The utility model adopts the discharging mode of the DC charging port of the new energy electric vehicle, is suitable for a wide range of vehicle models, is not limited by the vehicle-mounted charger, is easy to operate, small in size and light in weight, convenient to carry along with the vehicle, the voltage acquisition module monitors the discharging voltage and current in real time, can automatically stop discharging when discharging is abnormal, is not affected by the regional environment, and enriches the diversified vehicle needs of users. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is external schematic view of one embodiment of the portable new energy electric vehicle discharging device of the utility model;

[0014] Figure 2 It is connection schematic view of the portable new energy electric vehicle discharging device of the utility model during discharging;

[0015] Figure 3 It is block diagram of internal connection of the portable new energy electric vehicle discharging device of the utility model. DETAILED DESCRIPTION

[0016] The utility model is further illustrated by specific embodiments in combination with the drawings.

[0017] As Figure 1 shown, the portable new energy electric vehicle discharging device of the embodiment comprises a screen 1, a heat dissipation window 2, a starting switch 3, a handle 4, a power socket 5, a discharging gun 6, a shell 7, a power taking protocol board, a voltage and current acquisition module, a low-voltage power module, and a high-voltage power module. The shell 7 has a cavity inside, and the power taking protocol board, the voltage and current acquisition module, the low-voltage power module, and the high-voltage power module are arranged inside the shell 7. The screen 1 and the starting switch 3 are arranged on the surface of the shell 7. The heat dissipation window 2 is arranged on the side wall of the shell 7 and communicates the outside and the inside of the shell 7. The handle 4 is arranged on the outer surface of the shell 7. The power socket 5 outside the shell 7 is connected to the high-voltage power module and the voltage and current acquisition module inside the shell 7 through a wire harness. The discharging gun 6 outside the shell 7 is connected to the power taking protocol board, the voltage and current acquisition module, the low-voltage power module, and the high-voltage power module inside the shell 7 through a wire harness. The low-voltage power module is connected to the screen 1, the voltage and current acquisition module, the starting switch 3, the power taking protocol board, and the high-voltage power module. The power taking protocol board is further connected to the voltage and current acquisition module. The voltage and current acquisition module is connected to the screen 1 and the high-voltage power module through a signal line.

[0018] As Figure 2 shown, the portable new energy electric vehicle discharging device of the embodiment comprises a screen 1, a heat dissipation window 2, a starting switch 3, a handle 4, a power socket 5, a discharging gun 6, a shell 7, a power taking protocol board, a voltage and current acquisition module, a low-voltage power module, and a high-voltage power module. The shell 7 has a cavity inside, and the power taking protocol board, the voltage and current acquisition module, the low-voltage power module, and the high-voltage power module are arranged inside the shell 7. The screen 1 and the starting switch 3 are arranged on the surface of the shell 7. The heat dissipation window 2 is arranged on the side wall of the shell 7 and communicates the outside and the inside of the shell 7. The handle 4 is arranged on the outer surface of the shell 7. The power socket 5 outside the shell 7 is connected to the high-voltage power module and the voltage and current acquisition module inside the shell 7 through a wire harness. The discharging gun 6 outside the shell 7 is connected to the power taking protocol board, the voltage and current acquisition module, the low-voltage power module, and the high-voltage power module inside the shell 7 through a wire harness. The low-voltage power module is connected to the screen 1, the voltage and current acquisition module, the starting switch 3, the power taking protocol board, and the high-voltage power module. The power taking protocol board is further connected to the voltage and current acquisition module. The voltage and current acquisition module is connected to the screen 1 and the high-voltage power module through a signal line.

[0019] The discharge gun 6 adopts a nine-hole direct current discharge gun 6, which includes a high-voltage direct current positive electrode DC+, a high-voltage direct current negative electrode DC-, a low-voltage auxiliary power positive electrode A+, a low-voltage auxiliary power negative electrode A-, a first charging connection confirmation end CC1, a second charging connection confirmation end CC2, a charging communication high end S+, a charging communication low end S-, and a ground end PE. The high-voltage direct current positive electrode DC+ and the high-voltage direct current negative electrode DC- are collectively referred to as a high-voltage direct current power end, the low-voltage auxiliary power positive electrode A+ and the low-voltage auxiliary power negative electrode A- are collectively referred to as a low-voltage auxiliary power end, the first charging connection confirmation end CC1 and the second charging connection confirmation end CC2 are collectively referred to as a charging connection confirmation end, and the charging communication high S+ and the charging communication low S- are collectively referred to as a charging communication end. Correspondingly, the direct current charging port of the new energy electric vehicle also includes nine holes. During discharging, the discharge gun 6 is inserted into the direct current charging port of the new energy electric vehicle, so as to be connected to the power taking protocol board, the voltage and current acquisition module, the low-voltage power module, and the high-voltage power module through a wire harness respectively. The charging connection confirmation end of the direct current charging port of the new energy electric vehicle is connected to the charging connection confirmation end of the power taking protocol board, the ground end of the direct current charging port of the new energy electric vehicle is connected to the ground end of the power taking protocol board, the signal ends A and B of the voltage and current acquisition module are connected to the charging communication end of the direct current charging port of the new energy electric vehicle and the charging communication end of the power taking protocol board respectively, the low-voltage auxiliary power ends of the direct current charging port of the new energy electric vehicle are connected to the low-voltage auxiliary power ends of the power taking protocol board and the low-voltage auxiliary power ends 5V+ and 5V- of the low-voltage power module respectively, and the high-voltage direct current power ends of the direct current charging port of the new energy electric vehicle are connected to the input end of the high-voltage power module and the high-voltage direct current power end of the low-voltage auxiliary power module respectively. The ground end PE, the live wire L, and the neutral wire N of the output end of the high-voltage power module are connected to the ground end PE, the live wire L, and the neutral wire N of the power socket 5. The low-voltage power ends of the low-voltage auxiliary power module are connected to the low-voltage power ends of the screen 1 and the low-voltage power ends of the voltage and current acquisition module respectively. The signal ends A and B of the voltage and current acquisition module are also connected to the signal end of the screen 1 and the live wire and the neutral wire of the high-voltage power module through signal lines respectively.

[0020] When discharging, the discharging gun 6 is inserted into the direct current charging port of the new energy electric vehicle, the start switch 3 is pressed, and the low-voltage power supply module provides power supply to the power taking protocol board, the screen 1 and the voltage and current acquisition module respectively; the power taking protocol board acquires the connection signal of the discharging gun 6 and the direct current charging port of the new energy electric vehicle, and starts discharging work after confirming the connection; during the discharging process, the high-voltage direct current power supply of the discharging gun 6 continuously provides high-voltage direct current power supply to the high-voltage power supply module and the low-voltage power supply module; the low-voltage power supply module provides direct current working power supply to the power taking protocol board, the screen 1 and the voltage and current acquisition module by converting the high-voltage direct current into low-voltage direct current, the high-voltage power supply module converts the high-voltage direct current power supply into alternating current and outputs to the power socket 5, the user externally connects the power utilization equipment such as the electromagnetic oven, the electric oven and other diversified power utilization equipment to the power socket 5, provides 220V alternating current output, or charges other new energy electric vehicles; during the discharging process, the voltage and current acquisition module acquires the current residual power of the vehicle in real time, and the voltage and current acquisition module acquires the discharging voltage and current information in real time and sends to the screen 1 for real-time display, and the user can know the residual power of the vehicle, the discharging voltage and current information in real time through the screen 1 display information.

[0021] The high-voltage power supply module adopts the rated power of 5KW, the input direct current voltage of 200V-500V and the output alternating current voltage of 220V; the low-voltage power supply module adopts the input direct current voltage of 200V-500V and the output direct current voltage of 5V-12V.

[0022] The screen 1 adopts the capacitive touch liquid crystal screen.

[0023] Finally, it should be noted that the purpose of publishing the embodiments is to help further understand the utility model, but those skilled in the art can understand that various substitutions and modifications are possible without departing from the spirit and scope of the utility model and the appended claims. Therefore, the utility model should not be limited to the disclosed content of the embodiments, and the scope of protection claimed by the utility model is subject to the scope defined by the claims.

Claims

1. A portable new energy electric vehicle discharging device, characterized in that, The portable new energy electric vehicle discharging device comprises a starting switch, a power socket, a discharging gun, a shell, a power taking protocol board, a voltage and current acquisition module, a low-voltage power module and a high-voltage power module; wherein the shell has a cavity inside, and the power taking protocol board, the voltage and current acquisition module, the low-voltage power module and the high-voltage power module are arranged inside the shell; the starting switch is arranged on the surface of the shell; the power socket outside the shell is connected with the high-voltage power module and the voltage and current acquisition module inside the shell through a wire harness; the discharging gun outside the shell is connected with the power taking protocol board, the voltage and current acquisition module, the low-voltage power module and the high-voltage power module inside the shell through a wire harness; the low-voltage power module is connected with the voltage and current acquisition module, the starting switch, the power taking protocol board and the high-voltage power module; the power taking protocol board is further connected with the voltage and current acquisition module; and the voltage and current acquisition module is further connected with the high-voltage power module.

2. The portable new energy electric vehicle discharging device according to claim 1, wherein, The discharging gun adopts a nine-hole direct current type discharging gun, which comprises a high-voltage direct current power positive pole, a high-voltage direct current power negative pole, a low-voltage auxiliary power positive pole, a low-voltage auxiliary power negative pole, a first charging connection confirmation end, a second charging connection confirmation end, a charging communication high end, a charging communication low end and a ground wire end; the high-voltage direct current power positive pole and the high-voltage direct current power negative pole are collectively referred to as a high-voltage direct current power end, the low-voltage auxiliary power positive pole and the low-voltage auxiliary power negative pole are collectively referred to as a low-voltage auxiliary power end, the first charging connection confirmation end and the second charging connection confirmation end are collectively referred to as a charging connection confirmation end, and the charging communication high end and the charging communication low end are collectively referred to as a charging communication end; correspondingly, the direct current charging port of the new energy electric vehicle also comprises nine holes.

3. The portable new energy electric vehicle discharging device according to claim 2, characterized in that, When the new energy electric vehicle is discharged, the discharging gun is inserted into the direct current charging port of the new energy electric vehicle, so as to connect the power taking protocol board, the voltage and current acquisition module, the low-voltage power module and the high-voltage power module through a wire harness; the charging connection confirmation end of the direct current charging port of the new energy electric vehicle is connected to the charging connection confirmation end of the power taking protocol board, the ground wire end of the direct current charging port of the new energy electric vehicle is connected to the ground wire end of the power taking protocol board, the signal end of the voltage and current acquisition module is connected to the charging communication end of the direct current charging port of the new energy electric vehicle and the charging communication end of the power taking protocol board, the low-voltage auxiliary power end of the direct current charging port of the new energy electric vehicle is connected to the low-voltage auxiliary power end of the power taking protocol board and the low-voltage auxiliary power end of the low-voltage power module, and the high-voltage direct current power end of the direct current charging port of the new energy electric vehicle is connected to the input end of the high-voltage power module and the high-voltage direct current power end of the low-voltage auxiliary power module; the output end of the high-voltage power module is connected to the power socket; the low-voltage power end of the low-voltage auxiliary power module is connected to the low-voltage power end of the voltage and current acquisition module; and the signal end of the voltage and current acquisition module is connected to the live wire and the zero wire of the high-voltage power module through a signal line.

4. The portable new energy electric vehicle discharging device according to claim 1, wherein, A screen is further arranged on the surface of the shell; the screen is connected with the low-voltage power module; and the screen is connected with the voltage and current acquisition module through a signal line.

5. The portable new energy electric vehicle discharging device according to claim 1, wherein, A heat dissipation window is further arranged on the sidewall of the shell, which communicates the outside and the inside of the shell.

6. The portable new energy electric vehicle discharging device according to claim 1, wherein, A handle is further included, which is arranged on the outer surface of the shell.

7. The portable new energy electric vehicle discharging device according to claim 1, wherein, The high-voltage power module has an input DC voltage of 200-500V.

8. The portable new energy electric vehicle discharging device according to claim 1, wherein, The low-voltage power module has an input DC voltage of 200-500V and an output DC voltage of 5-12V.

9. The portable new energy electric vehicle discharging device according to claim 4, characterized in that, The screen is a capacitive touch liquid crystal screen.

Images