Device applied to electric vehicle discharging

Abstract

The device comprises a vehicle-mounted charger, a first adapter and a second adapter, the vehicle-mounted charger comprises a control box, a plug and a charging gun, the two sides of the control box are fixedly connected with the plug and the charging gun, one side of the first adapter is connected with a discharging port of the electric vehicle and used for taking electricity from the discharging port of the electric vehicle, and the other side of the first adapter is connected with the charging gun. The other side of the first adapter is electrically connected with the vehicle-mounted charging plug, one side of the second adapter is electrically connected with the charging gun, and the other side of the second adapter is a power strip used for being connected with an external load. According to the utility model, through the conversion mode of the adapter, the vehicle-mounted charger can have the functions of a charging gun and a discharging gun at the same time, the carrying burden of a user is reduced, and the user experience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric automobile technical field especially, and it relates to a device for electric automobile discharge. BACKGROUND

[0002] With the rapid development of new energy automobile industry, the requirement of new energy automobile on-board charging expandability is higher and higher, in actual scene, the user can only use the product with single function due to the use of current on-board charging product form and other reasons, in order to realize the function of charging and discharging, it is necessary to carry charging gun and discharging gun respectively. The present application proposes a conversion mode through adapter, which can realize the function of charging gun and discharging gun for on-board charging. Reduce the user's carrying burden, improve user experience. SUMMARY

[0003] The present application provides a device for electric automobile discharge, which can realize the function of charging gun and discharging gun for on-board charging through adapter conversion, reduce the user's carrying burden, and improve user experience.

[0004] To achieve the above object, the utility model provides the following technical scheme: a device for electric automobile discharge, comprising:

[0005] On-board charging, the on-board charging includes control box, plug, charging gun, and the plug and charging gun are fixedly connected on both sides of the control box;

[0006] The first adapter is connected with the electric automobile discharge port on one side, which is used to take power from the electric automobile discharge port, and the other side of the first adapter is electrically connected with the on-board charging plug;

[0007] The second adapter is electrically connected with the charging gun on one side, and the other side of the second adapter is a plug strip, which is used to connect external load.

[0008] Compared with the prior art, the utility model has the advantages that:

[0009] The device is designed by the first adapter and the second adapter, which can easily convert the role of the on-board charging originally used for charging. Through the combination of the first adapter and the on-board charging, the direct transmission of electric energy between electric vehicles can be realized, which is particularly useful in emergency situations, such as when a vehicle is low on power, it can obtain electric energy from another vehicle with sufficient power. The combination of the first adapter, the second adapter and the on-board charging allows the electric vehicle to supply power to external devices such as household appliances and camping equipment. This design greatly improves the practicality of on-board charging, greatly increases the practicality and application scenarios of electric vehicles, truly realizes "one thing with multiple functions", reduces the user's carrying burden, and improves user experience.

[0010] The traditional electric vehicle charging and discharging often needs to carry multiple devices, such as charging gun, discharging gun, etc., and the device integrates the charging and discharging functions in the vehicle-mounted charger through the conversion of the adapter, so the user does not need to carry other devices, thereby greatly reducing the carrying burden and improving the convenience of use.

[0011] The diversification of the vehicle-mounted charging function not only simplifies the operation process, but also improves the overall experience of the user. The user does not need to switch between multiple devices, but only needs to switch through the simple adapter conversion to realize the flexible switching of charging and discharging. This design not only saves time, but also reduces the operation complexity caused by too many devices, and improves the user's satisfaction.

[0012] As an improvement, the inside of the control box is also provided with a short-range communication module for receiving the control of the paired device or uploading information to the paired device, a main controller, and a relay. One side of the main controller is electrically connected with the short-range communication module, and the other side of the main controller is electrically connected with the relay. The short-range communication module can receive the control instruction of the paired device, which means that the user can remotely send instructions through the device paired with the control box to control the control box and its connected devices. This communication method is not only convenient and fast, but also avoids the complexity and limitation of traditional charging and discharging devices; the main controller is responsible for processing information from the short-range communication module and making decisions according to the preset program or algorithm. It can identify and analyze the control instruction, and then control the relay to perform the corresponding action, such as switching the device, adjusting the parameter, etc.; the relay, as the output part of the control box, is responsible for converting the decision of the main controller into specific actions.

[0013] As an improvement, the short-range communication module is a Bluetooth module, a WiFi module, a ZigBee module, or a combination of these modules. The combination module can select suitable communication modules for matching according to actual needs to realize flexible switching and complementation of multiple communication modes.

[0014] As an improvement, the paired device includes a smart mobile terminal, a vehicle, or a charging gun seat equipped with the same type of communication module. The paired device equipped with the same type of communication module can realize seamless connection without complex setting and configuration process, improving the use efficiency and convenience.

[0015] As an improvement, the smart mobile terminal includes a smartphone, a palm computer, a tablet computer, a notebook computer, or a vehicle-mounted computer, and multiple smart mobile terminals are provided. It is convenient for the paired device equipped with the same type of communication module to be paired and connected.

[0016] As an improvement, the control box also has a detection circuit inside for detecting the resistance value in the CP circuit. The detection circuit is connected to the port of the control box near the charging gun. It can determine the value of the resistance connected to the CP by identifying the voltage at the detection point. When a special resistor is detected, it can automatically enter the discharge mode.

[0017] As an improvement, the detection circuit includes a device controller, a switch S1, and a resistor R1. One end of the device controller is equipped with a voltage source of a specific voltage value and a PWM connection point. The voltage source or PWM connection point of the specific voltage value is connected to one side of the switch S1, and the other side of the switch S1 is connected in series with the resistor R1. A detection point is set between the resistor R1 and the port of the control box near the charging gun. The detection point is connected to the device controller. By setting a detection point between the resistor R1 and the port of the control box near the charging gun and connecting it to the device controller, the circuit can monitor the changes in the charging gun and its connection status in real time.

[0018] As an improvement, one side of the first adapter is a first plug that is compatible with the vehicle's discharge port, and the other side is an output first socket that is electrically connected to the vehicle's charging plug. A resistor R2 is installed inside the adapter. One side of the resistor R2 is connected to the CC port in the first plug port, and the other side of the resistor R2 is connected to the PE interface in the first socket. The resistor R2 is connected in series in the circuit between the CC port and the PE interface to allow the vehicle to recognize and enter the discharge mode.

[0019] As an improvement, one side of the second adapter is a second input port that is electrically connected to the charging gun. A resistor R3 is installed inside the adapter. One side of the resistor R3 is connected to the CP port in the power strip, and the other side of the resistor R3 is connected to the PE interface in the second input port. The resistor R3 is connected in series in the circuit between the CP port and the PE interface to allow the vehicle charger to recognize and enter the discharge mode. Attached Figure Description

[0020] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0021] Figure 1 This is a schematic diagram of the connection relationship of a device used for discharging electric vehicles;

[0022] Figure 2 This is a schematic diagram showing the internal component connections of the control box;

[0023] Figure 3 This is a schematic diagram of the circuit connection.

[0024] Figure 4 This is a schematic diagram showing the connection relationship of resistor R2;

[0025] Figure 5 This is a schematic diagram showing the connection relationship of resistor R3. DETAILED DESCRIPTION

[0026] In the utility model, it needs to be understood that the directions or position relations indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "plane direction", "circumferential direction" are the directions or position relations shown based on the drawings, which are only for the convenience of describing the utility model and simplifying the description, and are not indicative or suggestive of the devices or elements indicated must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as a limitation on the utility model.

[0027] As shown in Figure 1 The utility model discloses a device for the discharge of electric vehicle, including vehicle charging, first adapter, second adapter, vehicle charging includes control box, plug, charging gun, and the both sides fixed connection plug and charging gun of control box, and the one side of first adapter is connected electric vehicle discharge port, is used to take electricity from electric vehicle discharge port, and the other side of first adapter is electrically connected with vehicle charging plug, and the one side of second adapter is electrically connected with charging gun, and the other side of second adapter is power strip, is used to connect external load, preferably, vehicle charging is the mode two charging protection system that meets IEC 62752 or GB / T 41589 definition.

[0028] Preferably, the charging gun includes a charging gun head and a charging cable, a control box port is electrically connected with one side of the charging gun head through the charging cable, and the charging gun head is internally provided with a mechanical lock button state detection circuit, which can realize state detection of the charging gun head and is collected by the charging protection system.

[0029] Preferably, the side of the first adapter electrically connected with the discharge port is provided with an alternating current gun head meeting GBT 20234 or IEC 62196, and the side of the first adapter connected with the plug is provided with a socket meeting GB / T 11918 or IEC 60309 definition.

[0030] Preferably, the side of the second adapter electrically connected with the charging gun head is provided with an alternating current socket meeting GB / T 20234 or IEC 62196, and the side of the second adapter electrically connected with the external equipment is provided with a socket meeting GB / T 2099 or IEC 60884 definition.

[0031] As shown in Figure 2 The inside of the control box is further provided with a short-range communication module for receiving the control of the paired device or uploading information to the paired device, a main controller and a relay, one side of the main controller is electrically connected with the short-range communication module, and the other side of the main controller is electrically connected with the relay.

[0032] Preferably, the short-range communication module can allow the vehicle-mounted charger to be paired with another device or multiple devices equipped with the same type of short-range communication module through a pairing process, receive control from the paired device or upload information to the paired device, and the information content includes but is not limited to charging authorization information of the vehicle-mounted charger, discharge authorization information of the vehicle-mounted charger, control information, and state information.

[0033] The short-range communication module is a Bluetooth module, a WiFi module, a ZigBee module, or a combination of these modules.

[0034] The paired device includes a smart mobile terminal, a vehicle, or a charging gun seat equipped with the same type of communication module.

[0035] The smart mobile terminal includes a smartphone, a palm computer, a tablet computer, a notebook computer, or a vehicle-mounted computer.

[0036] As shown in Figure 3 , the inside of the control box is also provided with a detection circuit for detecting the resistance value in the CP circuit, and the detection circuit is connected with the port on the side of the control box close to the charging gun.

[0037] The detection circuit includes a device controller, a switch S1, and a resistor R1, one end of the device controller is provided with a voltage source with a specific voltage value and a PWM connection point, the voltage source with a specific voltage value or the PWM connection point is connected with one side of the switch S1, the other side of the switch S1 is connected with the resistor R1 in series, and the resistor R1 is connected with the port through a detection point, and the detection point is connected with the device controller.

[0038] As shown in Figure 4 , one side of the first adapter is a first plug matched with the discharge port of the vehicle, the other side is an output first socket electrically connected with the plug of the vehicle-mounted charger, and the first adapter is internally configured with a resistor R2, one side of the resistor R2 is connected with a CC port in the first plug port, and the other side of the resistor R2 is connected with a PE interface in the first socket.

[0039] As shown in Figure 5 , one side of the second adapter is a second input port electrically connected with the charging gun, and the second adapter is internally configured with a resistor R3, one side of the resistor R3 is connected with a CP port in the power strip, and the other side of the resistor R3 is connected with a PE interface in the second input port.

[0040] The resistor R3 is not equal to the two resistors or the equivalent resistance of the two resistors in parallel as specified in GB / T18487 or IEC 61851.

[0041] When the electric vehicle needs to charge other electric vehicles, the plug of the on-board charger is inserted into the socket of the first adapter, the AC gun head of the first adapter is electrically connected with the discharge port of the discharging vehicle, the discharging vehicle is identified by the resistance R2 and enters the discharging mode. The on-board charger gun head is inserted into the vehicle to be charged, and the on-board charger enters the discharging mode by sending an instruction to the on-board charger through the intelligent terminal, and the charging starts.

[0042] When the electric vehicle needs to discharge to an external load, the plug of the on-board charger is inserted into the socket of the first adapter, the AC gun head of the first adapter is electrically connected with the discharge port of the discharging vehicle, the discharging vehicle is identified by the resistance R2 and enters the discharging mode. The charging gun head of the on-board charger is electrically connected with the AC socket of the second adapter, the socket of the second adapter is electrically connected with the external equipment, and the on-board charger is identified by R3 and enters the discharging mode.

[0043] The utility model has been described exemplarily above in combination with the drawings, and obviously, the specific implementation of the utility model is not limited by the above-mentioned mode, as long as various non-essential improvements are made by adopting the technical scheme of the utility model, or the concept and technical scheme of the utility model are directly applied to other occasions without improvement, all of which are within the protection scope of the utility model.

Claims

1. A device for discharging electric vehicles, characterized in that, include: The vehicle charger includes a control box, a plug, and a charging gun, with the plug and charging gun fixedly connected to both sides of the control box; One side of the first adapter is connected to the electric vehicle's discharge port for drawing power from the electric vehicle's discharge port, and the other side of the first adapter is connected to the vehicle's charging plug. One side of the second adapter is electrically connected to the charging gun, and the other side of the second adapter is a power strip for connecting external loads.

2. The device for discharging an electric vehicle according to claim 1, characterized in that: The control box also contains a short-range communication module for receiving control signals from paired devices or uploading information to paired devices, a main controller, and a relay. One side of the main controller is electrically connected to the short-range communication module, and the other side of the main controller is electrically connected to the relay.

3. The device for discharging an electric vehicle according to claim 2, characterized in that: The short-range communication module is a Bluetooth module, a Wi-Fi module, a ZigBee module, or a combination of these modules.

4. The device for discharging an electric vehicle according to claim 2, characterized in that: The pairing device includes a smart mobile terminal equipped with a similar communication module, a vehicle, or a charging gun socket.

5. The device for discharging an electric vehicle according to claim 4, characterized in that: The smart mobile terminal includes smartphones, PDAs, tablets, laptops, or in-vehicle computers.

6. The device for discharging an electric vehicle according to claim 1, characterized in that: The control box also contains a detection circuit for detecting the resistance value in the CP circuit, and the detection circuit is connected to the port of the control box near the charging gun.

7. The device for discharging an electric vehicle according to claim 6, characterized in that: The detection circuit includes a device controller, a switch S1, and a resistor R1. One end of the device controller is provided with a voltage source of a specific voltage value and a PWM connection point. The voltage source of the specific voltage value or the PWM connection point is connected to one side of the switch S1. The other side of the switch S1 is connected in series with the resistor R1. A detection point is provided between the resistor R1 and the port of the control box near the charging gun. The detection point is connected to the device controller.

8. The device for discharging an electric vehicle according to claim 1, characterized in that: One side of the first adapter is a first plug that is compatible with the vehicle's discharge port, and the other side is an output first socket that is electrically connected to the vehicle's charging plug. A resistor R2 is installed inside the adapter. One side of the resistor R2 is connected to the CC port in the first plug port, and the other side of the resistor R2 is connected to the PE interface in the first socket.

9. The device for discharging an electric vehicle according to claim 1, characterized in that: One side of the second adapter is a second input port that is electrically connected to the charging gun. A resistor R3 is installed inside the adapter. One side of the resistor R3 is connected to the CP port in the power strip, and the other side of the resistor R3 is connected to the PE interface in the second input port.

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