Charging and discharging control circuit, socket and vehicle
By designing the switching components in the charging and discharging control circuit, the user experience problem caused by the occupation of the charging and discharging interface was solved, enabling flexible control of the vehicle battery during power supply and charging, and improving the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BYD CO LTD
- Filing Date
- 2025-03-27
- Publication Date
- 2026-05-08
AI Technical Summary
When a vehicle uses its battery to power or charge electrical devices, the occupancy of the charging and discharging ports prevents simultaneous charging and discharging, impacting the user experience.
A charging and discharging control circuit is designed, including a switching component. By controlling the on/off connection between the charging/discharging interface and the power consumption interface, independent control of the in-vehicle energy storage device and the charging/discharging interface and the power consumption interface is realized, allowing simultaneous power supply and charging.
This allows users to simultaneously power their in-vehicle energy storage devices via the power interface and charge the energy storage devices via the charging/discharging interface, thus improving the user experience.
Smart Images

Figure CN224218128U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of socket technology, specifically relating to a charging and discharging control circuit, a socket, and a vehicle. Background Technology
[0002] The vehicle's socket is equipped with a charging and discharging interface. The charging and discharging interface supports the connection of a charging gun to charge the vehicle's battery. The charging and discharging interface can also be connected to electrical devices through a socket adapter, allowing the vehicle's battery to supply power to the devices through the charging and discharging interface.
[0003] However, when using the vehicle's battery to power electrical devices, the battery cannot be charged because it occupies the charging and discharging interface, and when charging the vehicle's battery, the battery cannot be used to power electrical devices because it occupies the charging and discharging interface, thus affecting the user experience. Utility Model Content
[0004] This utility model provides a charging and discharging control circuit, a socket, and a vehicle, which at least solves the problems in the related art where, when using the vehicle's battery to power electrical devices, the vehicle's battery cannot be charged due to occupying the charging and discharging interface, and when charging the vehicle's battery, the vehicle's battery cannot be used to power electrical devices due to occupying the charging and discharging interface, thus affecting the user experience.
[0005] To solve the above-mentioned technical problems, this utility model is implemented as follows:
[0006] In a first aspect, embodiments of the present invention provide a charge / discharge control circuit, comprising:
[0007] The first connection terminal is used to connect to the charging / discharging interface and the power interface;
[0008] The second connection terminal is used to connect to the in-vehicle energy storage device;
[0009] A switch assembly is connected to the first connection terminal and the second connection terminal, and the switch assembly is used to control the on / off state between the first connection terminal and the second connection terminal.
[0010] Optionally, the first connection terminal includes a first sub-connection terminal and a second sub-connection terminal, wherein the first sub-connection terminal is used to connect to the charging / discharging interface, and the second sub-connection terminal is used to connect to the power interface.
[0011] Optionally, the switching assembly includes a first switching device; a first end of the first switching device is connected to the first sub-connection terminal, and a second end of the first switching device is connected to the second connection terminal.
[0012] Optionally, the switch assembly further includes a second switch device; a first end of the second switch device is connected to the second sub-connection terminal, and a second end of the second switch device is connected to the second connection terminal.
[0013] Optionally, the charge / discharge control circuit further includes a controller connection terminal, which is used to connect to a controller and is connected to the control terminal of the switching assembly.
[0014] Optionally, the control terminal of the first switching device is connected to the controller connection terminal, and / or the control terminal of the second switching device is connected to the controller connection terminal.
[0015] Optionally, the charge / discharge control circuit further includes a fuse; the fuse is disposed between the first electrode of the first connection terminal and the second connection terminal.
[0016] Optionally, the fuse includes a first fuse disposed between the first electrode of the first sub-connection terminal and the second connection terminal.
[0017] Optionally, the fuse includes a second fuse disposed between the second sub-connection terminal and the first electrode of the second connection terminal.
[0018] Optionally, the charging and discharging control circuit further includes an indicator light; the indicator light is connected to the first connection terminal, and the indicator light is used to indicate the charging and / or discharging status of the charging and discharging interface and / or the power interface.
[0019] Optionally, the controller connection terminal includes a first controller connection terminal and / or a second controller connection terminal, wherein the first controller connection terminal is adapted to control the charging of the charging and discharging interface, and the second controller connection terminal is adapted to control the discharging of the power interface.
[0020] Optionally, the indicator light includes a first indicator light and / or a second indicator light; a first end of the first indicator light is connected to the first controller connection terminal, and a second end of the first indicator light is connected to a potential reference point, and the first indicator light is used to indicate the charging status of the in-vehicle energy storage device; a first end of the second indicator light is connected to the second controller connection terminal, and a second end of the second indicator light is connected to the potential reference point, and the second indicator light is used to indicate the discharging status of the in-vehicle energy storage device.
[0021] Secondly, this utility model embodiment also provides a socket, including: a charging and discharging interface, a power interface, and a charging and discharging control circuit as described in the first aspect, wherein the charging and discharging interface and the power interface are connected through the charging and discharging control circuit.
[0022] Optionally, the socket further includes an interface housing, and the charging and discharging control circuit is disposed in the first side of the interface housing.
[0023] Optionally, the charging / discharging interface and the power interface are provided on the second side of the interface housing, and the second side of the interface housing is disposed opposite to the first side of the interface housing.
[0024] Optionally, the socket further includes a copper busbar, and the charging and discharging control circuit is connected to the charging and discharging interface and / or the power interface respectively through the copper busbar.
[0025] Optionally, the socket further includes a socket panel 90, which is disposed on the second side of the interface housing; the socket panel 90 is used to expose the charging / discharging interface and / or the power interface.
[0026] Optionally, the socket panel 90 is provided with a first interface cover, which is used to cover the charging and discharging interface.
[0027] Optionally, the socket panel 90 is provided with a second interface cover, which is used to cover the power interface.
[0028] Optionally, the socket further includes a tail cover for being disposed on a first side of the interface housing.
[0029] Optionally, the socket may further include a plurality of fastening bolts for securing the tail cap to the mounting location.
[0030] Optionally, the socket is provided with a plug lock for locking the external charging / discharging plug.
[0031] Optionally, the charging / discharging interface is an AC charging port, and / or the power interface is an AC discharging port.
[0032] Thirdly, this utility model embodiment also provides a vehicle, including the charging and discharging control circuit as described in the first aspect, or the socket as described in the second aspect.
[0033] In this embodiment of the utility model, since the first connection terminal of the charging and discharging control circuit is connected to the charging and discharging interface and the power interface, and the second connection terminal of the charging and discharging control circuit is connected to the in-vehicle energy storage device, and the switching component of the charging and discharging control circuit is connected to the first connection terminal and the second connection terminal, the on / off state between the first connection terminal and the second connection terminal can be controlled by the switching component, thereby controlling the on / off state between the in-vehicle energy storage device and the charging and discharging interface, and between the in-vehicle energy storage device and the power interface, the charging and discharging interface and the power interface can be controlled. Furthermore, when the in-vehicle energy storage device is connected to the charging and discharging interface by controlling the switching component to connect to the charging and discharging interface, and when the in-vehicle energy storage device is connected to the power interface, the in-vehicle energy storage device can be charged through the charging and discharging interface while the in-vehicle energy storage device supplies power to the power device through the power interface, thereby improving the user experience. Attached Figure Description
[0034] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0035] Figure 1 A schematic diagram of the structure of a socket provided in an embodiment of this utility model;
[0036] Figure 2 A schematic diagram of a charge / discharge control circuit provided in an embodiment of this utility model;
[0037] Figure 3 A schematic diagram of the specific structure of a socket provided in an embodiment of this utility model;
[0038] Figure 4 A schematic diagram of the specific structure of another socket provided in this embodiment of the utility model;
[0039] Figure 5 This is a schematic diagram of the specific structure of another socket provided in an embodiment of the present utility model.
[0040] Figure label:
[0041] 10-Charging and discharging control circuit; 20-Charging and discharging interface; 30-Power interface; 40-Charging and discharging control module; 401-First electrode of the second connection terminal; 402-Second electrode of the second connection terminal; 50-Controller; 501-First control terminal; 502-Second control terminal; 503-Third control terminal; 504-Fourth control terminal; 505-Fifth control terminal; 60-In-vehicle energy storage device; 70-Interface housing; 80-Tail cover; 90-Socket panel; 91-First interface cover; 92-Second interface cover; 93-Plug-in lock; 94-Copper busbar; 95-Fasting bolt; K1-First switching device; K2-Second switching device; F1-First fuse; F2-Second fuse; D1-First indicator light; D2-Second indicator light. Detailed Implementation
[0042] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0043] Reference Figure 1 This utility model provides a socket, including: a charging and discharging interface 20, a power interface 30, and a charging and discharging control circuit 10, wherein the charging and discharging interface 20 and the power interface 30 are connected through the charging and discharging control circuit 10.
[0044] In this embodiment of the utility model, the socket includes a charging and discharging interface 20 and a power interface 30. The charging and discharging interface 20 can be used to charge the in-vehicle energy storage device 60, and the power interface 30 can be used to supply power to the in-vehicle energy storage device 60. Moreover, the connection between the in-vehicle energy storage device and the power interface 30 does not require the use of a socket adapter, which improves the user experience.
[0045] In some embodiments, the socket further includes a charging and discharging control module 40, and the charging and discharging control circuit 10 is electrically connected to the charging and discharging control module 40. The charging and discharging control circuit 10 is used to control the connection and disconnection between the charging and discharging interface 20 and the charging and discharging control module 40, and to control the connection and disconnection between the power interface 30 and the charging and discharging control module 40.
[0046] In some embodiments, the socket further includes a controller 50, which is electrically connected to the charge / discharge control circuit 10 and is used to control the operation of the charge / discharge control circuit 10; the charge / discharge control module 40 is used to be electrically connected to the in-vehicle energy storage device 60, and the in-vehicle energy storage device 60 is charged and discharged through the charge / discharge control module 40.
[0047] In some embodiments, the charging and discharging interface 20 is an AC charging and discharging interface, that is, the charging and discharging interface 20 is an AC charging port, such as a 220-volt AC charging and discharging interface 20. The charging and discharging interface 20 is used to connect to the charging gun of an external in-vehicle energy storage device, and the external in-vehicle energy storage device is used to charge the in-vehicle energy storage device 60 through the charging gun.
[0048] In some embodiments, the power interface 30 is an AC power interface, that is, the power interface 30 is an AC discharge port, such as a 220-volt AC power interface 30, and the power interface 30 is used to connect the plug of the power supply line of the electrical equipment.
[0049] In some embodiments, when the in-vehicle energy storage device 60 is charging through the charge / discharge control module 40, the controller 50 controls the charge / discharge control circuit 10 to connect the charge / discharge interface 20 to the charge / discharge control module 40 and disconnect the power interface 30 from the charge / discharge control module 40; when the in-vehicle energy storage device 60 is discharging through the charge / discharge control module 40, the controller 50 controls the charge / discharge control circuit 10 to connect the power interface 30 to the charge / discharge control module 40 and disconnect the charge / discharge interface 20 from the charge / discharge control module 40; when the in-vehicle energy storage device 60 is simultaneously charging and discharging through the charge / discharge control module 40, the controller 50 controls the charge / discharge control circuit 10 to connect the charge / discharge interface 20 to the charge / discharge control module 40 and connect the power interface 30 to the charge / discharge control module 40.
[0050] In some embodiments, the controller 50 may be a microcontroller unit (MCU), a single-chip microcomputer, or other types of chips.
[0051] In some embodiments, the in-vehicle energy storage device 60 may be a battery.
[0052] In some embodiments, the charge / discharge control module 40 includes a motor and an inverter, wherein the inverter is electrically connected to the motor, the inverter is electrically connected to the in-vehicle energy storage device 60, and the motor is electrically connected to the charge / discharge port of the charge / discharge control module 40.
[0053] In some embodiments, the in-vehicle energy storage device 60 may be a battery.
[0054] In some embodiments, the socket further includes a copper busbar 94, and the charging and discharging control circuit 10 is connected to the charging and discharging interface 20 and / or the power interface 30 respectively through the copper busbar 94.
[0055] In some embodiments, the copper busbar 94 includes a first connecting line and a second connecting line. The first connecting line enables the electrical connection between the charge / discharge control circuit 10 and the charge / discharge interface 20, and the second connecting line enables the electrical connection between the charge / discharge control circuit 10 and the power interface 30.
[0056] In this embodiment of the invention, when the in-vehicle energy storage device 60 is charged through the charge / discharge control module 40, the charge / discharge control circuit 10 controls the charge / discharge interface 20 to connect with the charge / discharge control module 40, so as to charge the in-vehicle energy storage device 60 through the charge / discharge interface 20; when the in-vehicle energy storage device 60 is discharged through the charge / discharge control module 40, the charge / discharge control circuit 10 controls the power interface 30 to connect with the charge / discharge control module 40, so as to enable the in-vehicle energy storage device 60 to supply power to the power device through the power interface 30, and the connection between the power device and the power interface 30 does not require the use of a socket adapter, which improves the user experience.
[0057] In some embodiments, the charge / discharge control circuit 10 includes a switching assembly; the switching assembly is electrically connected to the charge / discharge control module 40, the charge / discharge interface 20, and the power interface 30, respectively.
[0058] Optionally, refer to Figure 2 In some embodiments, the switching assembly includes a first switching device K1 and a second switching device K2; a first end of the first switching device K1 is electrically connected to a first end of the charging / discharging interface 20, a second end of the first switching device K1 is electrically connected to a first electrode 401 of a second connection terminal of the charging / discharging control module 40, and a control terminal of the first switching device K1 is electrically connected to a first control terminal 501 of the controller 50; a first end of the second switching device K2 is electrically connected to a first end of the power interface 30, a second end of the second switching device K2 is electrically connected to the first electrode 401 of the second connection terminal, and a control terminal of the second switching device K2 is electrically connected to a second control terminal 502 of the controller 50; a second end of the charging / discharging interface 20 is electrically connected to a second electrode 402 of the second connection terminal; and a second end of the power interface 30 is electrically connected to a second electrode 402 of the second connection terminal.
[0059] In some embodiments, the first end of the switch assembly is electrically connected to the first end of the power interface 30, the second end of the switch assembly is electrically connected to the first end of the charge / discharge interface 20, and the third end of the switch assembly is electrically connected to the first electrode 401 of the second connection end of the charge / discharge control module 40.
[0060] In some embodiments, the first end of the switch assembly is electrically connected to the first end of the power interface 30, the second end of the switch assembly is electrically connected to the first end of the charge / discharge interface 20, and the third and fourth ends of the switch assembly are respectively electrically connected to the first electrode 401 of the second connection end of the charge / discharge control module 40.
[0061] In some embodiments, the first control terminal of the switch assembly is used to be electrically connected to the first control terminal 501 of the controller 50; the second control terminal of the switch assembly is used to be electrically connected to the second control terminal 502 of the controller 50.
[0062] In some embodiments, the types of switching components include single-pole double-pole switching devices, double-pole single-pole switching devices, dual relays, etc.
[0063] In some embodiments, the first electrode 401 of the second connection end is connected to the positive terminal of the charging / discharging port, and the second electrode 402 of the second connection end is connected to the negative terminal of the charging / discharging port; the first end of the charging / discharging interface 20 is the live wire end of the charging / discharging interface 20, and the second end of the charging / discharging interface 20 is the neutral wire end of the charging / discharging interface 20.
[0064] In some embodiments, the first switching device K1 includes a relay, an air switch, a button, etc.; the second switching device K2 includes a relay, an air switch, a button, etc.
[0065] In some embodiments, the first switching device K1 can be a relay, the first terminal of the first switching device K1 is the normally open terminal of the relay, the second terminal of the first switching device K1 is the common terminal of the relay, the control terminal of the first switching device K1 is the positive terminal of the relay, the ground terminal of the first switching device K1 is grounded, and the ground terminal of the first switching device K1 is the negative terminal of the relay.
[0066] In some embodiments, the second switching device K2 can be a relay. The first terminal of the second switching device K2 is the normally open terminal of the relay, the second terminal of the second switching device K2 is the common terminal of the relay, and the control terminal of the second switching device K2 is the positive terminal of the relay. The grounding terminal of the second switching device K2 is grounded, and the grounding terminal of the second switching device K2 is the negative terminal of the relay.
[0067] In some embodiments, the first end of the charging / discharging interface 20 is used to connect to the live wire of the charging gun, the second end of the charging / discharging interface 20 is used to connect to the neutral wire of the charging gun, and the grounding end of the charging / discharging interface 20 is grounded; the first end of the power interface 30 is connected to the live wire of the power device, the second end of the power interface 30 is connected to the neutral wire of the power device, and the grounding end of the power interface 30 is grounded.
[0068] In some embodiments, the power interface 30 is electrically connected to the fifth control terminal 505 of the controller 50. The power interface 30 is used to send a discharge trigger signal to the fifth control terminal 505 of the controller 50 when the plug of the electrical device is inserted into the power interface 30.
[0069] In some embodiments, the power interface 30 is provided with a safety door and a micro switch, which are linked together. When the plug of the electrical device is inserted into the power interface 30, the safety door opens, triggering the micro switch to close and conduction occurs; when the plug of the electrical device is not inserted into the power interface 30, the safety door closes, triggering the micro switch to disconnect.
[0070] In some embodiments, the first end of the micro switch is electrically connected to the fifth control terminal 505 of the controller 50, the second end of the micro switch is grounded, and the spring of the micro switch is linked to the safety door. When the plug of the electrical device is inserted into the power interface 30, the safety door opens, triggering the spring of the micro switch to move in the first direction, and the micro switch closes and conducts, so that the fifth control terminal 505 of the controller 50 receives a discharge trigger signal, i.e., a grounding signal. When the plug of the electrical device is not inserted into the power interface 30, the safety door closes, triggering the spring of the micro switch to move in the second direction, and the micro switch opens, so that the fifth control terminal 505 of the controller 50 is suspended. The controller 50 is electrically connected to the charge and discharge control module 40. When the controller 50 receives the discharge trigger signal, it controls the charge and discharge control module 40 to work, so that the in-vehicle energy storage device 60 discharges.
[0071] In some embodiments, when the in-vehicle energy storage device 60 is charging through the charge / discharge control module 40, the controller 50 controls the first switching device K1 to turn on, connecting the charge / discharge interface 20 to the charge / discharge control module 40, and controls the second switching device K2 to turn off, disconnecting the power interface 30 from the charge / discharge control module 40; when the in-vehicle energy storage device 60 is discharging through the charge / discharge control module 40, the controller 50 controls the second switching device K2 to turn on, connecting the power interface 30 to the charge / discharge control module 40, and controls the first switching device K1 to turn off, disconnecting the charge / discharge interface 20 from the charge / discharge control module 40; when the in-vehicle energy storage device 60 is simultaneously charging and discharging through the charge / discharge control module 40, the controller 50 controls the first switching device K1 to turn on, connecting the charge / discharge interface 20 to the charge / discharge control module 40, and controls the second switching device K2 to turn on, connecting the power interface 30 to the charge / discharge control module 40.
[0072] In some embodiments, the controller 50 receives a connection confirmation (CC) signal and a control guidance (CP) signal from the charging gun. When a Pilot signal is received, if the charging gun is inserted into the charging / discharging interface 20, the controller 50 controls the first switching device K1 to conduct, connecting the charging / discharging interface 20 to the charging / discharging control module 40, and controls the second switching device K2 to disengage, disconnecting the power interface 30 from the charging / discharging control module 40. If a discharge trigger signal is received, if the plug of the electrical device is inserted into the power interface 30, the controller 50 controls the second switching device K2 to conduct, connecting the power interface 30 to the charging / discharging control module 40, and controls the first switching device K1 to disengage, disconnecting the charging / discharging interface 20 from the charging / discharging control module 40. If a connection confirmation signal, a control guidance signal, and a discharge trigger signal are received, if the charging gun is inserted into the charging / discharging interface 20 and the plug of the electrical device is inserted into the power interface 30, the controller 50 controls the first switching device K1 to conduct, connecting the charging / discharging interface 20 to the charging / discharging control module 40, and controls the second switching device K2 to conduct, connecting the power interface 30 to the charging / discharging control module 40.
[0073] In this embodiment of the invention, when the in-vehicle energy storage device 60 is charging through the charging and discharging control module 40, the controller 50 controls the first switching device K1 to be turned on, so that the charging and discharging interface 20 is connected to the charging and discharging control module 40, thereby enabling the in-vehicle energy storage device 60 to be charged through the charging and discharging interface 20. At the same time, the controller controls the second switching device K2 to be turned off, so that the power interface 30 is disconnected from the charging and discharging control module 40, preventing the power interface 30 from becoming energized and reducing safety risks. When the in-vehicle energy storage device 60 is discharging through the charging and discharging control module 40, the controller 50 controls the second switching device K2 to be turned on, so that the power interface 30 is connected to the charging and discharging control module 40, thereby enabling the in-vehicle energy storage device 60 to supply power to the power device through the power interface 30. At the same time, the controller controls the first switching device K1 to be turned off, so that the charging and discharging interface 20 is disconnected from the charging and discharging control module 40, preventing the charging and discharging interface 20 from becoming energized and reducing safety risks.
[0074] Optionally, in some embodiments, the charge / discharge control circuit 10 further includes a first fuse F1 and a second fuse F2; the first fuse F1 is disposed in the connection line between the first end of the first switching device K1 and the first end of the charge / discharge interface 20, or: the first fuse F1 is disposed in the connection line between the second end of the first switching device K1 and the first electrode 401 of the second connection end; the second fuse F2 is disposed in the connection line between the first end of the second switching device K2 and the first end of the power interface 30, or: the second fuse F2 is disposed in the connection line between the second end of the second switching device K2 and the first electrode 401 of the second connection end.
[0075] In this embodiment of the invention, the first fuse F1 is used to blow when the charging current is too large, so as to realize the charging overcurrent protection of the in-vehicle energy storage device 60; the second fuse F2 is used to blow when the discharging current is too large, so as to realize the discharging overcurrent protection of the in-vehicle energy storage device 60.
[0076] Optionally, in some embodiments, the charge / discharge control circuit 10 further includes an indicator light; the indicator light is connected to the charge / discharge interface 20 and / or the power interface 30, and the indicator light is used to indicate the charging and / or discharging status of the charge / discharge interface 20 and / or the power interface 30.
[0077] Optionally, in some embodiments, the indicator light includes a first indicator light D1 and a second indicator light D2; the first end of the first indicator light D1 is electrically connected to the third control terminal 503 of the controller 50, and the second end of the first indicator light D1 is grounded, and the first indicator light D1 is used to indicate the charging status of the in-vehicle energy storage device 60; the first end of the second indicator light D2 is electrically connected to the fourth control terminal 504 of the controller 50, and the second end of the second indicator light D2 is grounded, and the second indicator light D2 is used to indicate the discharging status of the in-vehicle energy storage device 60.
[0078] In some embodiments, when the charging status of the in-vehicle energy storage device 60 is normal, the first indicator light D1 is lit; when the charging status of the in-vehicle energy storage device 60 is abnormal, the first indicator light D1 is off; when the discharging status of the in-vehicle energy storage device 60 is normal, the second indicator light D2 is lit; when the discharging status of the in-vehicle energy storage device 60 is abnormal, the second indicator light D2 is off.
[0079] In some embodiments, the first indicator light D1 may be a light-emitting diode (LED), a breathing light, an ambient light, etc.; the second indicator light D2 may be a light-emitting diode (LED), a breathing light, an ambient light, etc.
[0080] In some embodiments, the first indicator light D1 includes a plurality of first light-emitting diodes, and the third control terminal 503 of the controller 50 includes a plurality of first sub-control terminals. Each first sub-control terminal corresponds to a first light-emitting diode, and the positive terminal of the first light-emitting diode corresponding to the first sub-control terminal is electrically connected, while the negative terminal of each first light-emitting diode is grounded.
[0081] For example, the first indicator light D1 includes three first light-emitting diodes, namely a first light-emitting diode emitting red light, a first light-emitting diode emitting yellow light, and a first light-emitting diode emitting green light. The third control terminal 503 of the controller 50 includes three first sub-control terminals. The first first sub-control terminal is electrically connected to the positive terminal of the first light-emitting diode emitting red light, the second first sub-control terminal is electrically connected to the positive terminal of the first light-emitting diode emitting yellow light, and the third first sub-control terminal is electrically connected to the positive terminal of the first light-emitting diode emitting green light. The negative terminals of the first light-emitting diodes emitting red light, yellow light, and green light are all grounded.
[0082] When the charging status of the in-vehicle energy storage device 60 is normal, and the grounding is confirmed to be good, the controller 50 controls the first LED emitting green light to light up, and controls the first LED emitting red light and the first LED emitting yellow light to turn off. When the charging status of the in-vehicle energy storage device 60 is reduced charging power, and the grounding is confirmed to be unavailable or charging overloaded, the controller 50 controls the first LED emitting yellow light to light up, and controls the first LED emitting red light and the first LED emitting green light to turn off. When the charging status of the in-vehicle energy storage device 60 is interrupted, and the charging is confirmed to have stopped due to leakage protection, over-temperature protection, or other fault protection such as overcurrent or undervoltage, the controller 50 controls the first LED emitting red light to light up, and controls the first LED emitting yellow light and the first LED emitting green light to turn off.
[0083] In some embodiments, the second indicator D2 includes a plurality of second light-emitting diodes, and the fourth control terminal 504 of the controller 50 includes a plurality of second sub-control terminals. Each second sub-control terminal corresponds to a second light-emitting diode, and the positive terminal of the second light-emitting diode corresponding to the second sub-control terminal is electrically connected, while the negative terminal of each second light-emitting diode is grounded.
[0084] For example, the second indicator light D2 includes three second light-emitting diodes, namely a second light-emitting diode emitting red light, a second light-emitting diode emitting yellow light, and a second light-emitting diode emitting green light. The fourth control terminal 504 of the controller 50 includes three second sub-control terminals. The first second sub-control terminal is electrically connected to the positive terminal of the second light-emitting diode emitting red light, the second second sub-control terminal is electrically connected to the positive terminal of the second light-emitting diode emitting yellow light, and the third second sub-control terminal is electrically connected to the positive terminal of the second light-emitting diode emitting green light. The negative terminals of the second light-emitting diodes emitting red light, yellow light, and green light are all grounded.
[0085] When the in-vehicle energy storage device 60 is in a normal discharge state, and the grounding is confirmed to be good, the controller 50 controls the second LED emitting green light to light up, and controls the second LED emitting red light and the second LED emitting yellow light to turn off. When the in-vehicle energy storage device 60 is in a discharge state where the discharge power is reduced, and the grounding is confirmed to be ungrounded or the discharge is overloaded, the controller 50 controls the second LED emitting yellow light to light up, and controls the second LED emitting red light and the second LED emitting green light to turn off. When the in-vehicle energy storage device 60 is in a discharge interruption state, and the discharge is confirmed to have stopped due to leakage protection, over-temperature protection, or other fault protection such as overcurrent or undervoltage, the controller 50 controls the second LED emitting red light to light up, and controls the second LED emitting yellow light and the second LED emitting green light to turn off.
[0086] In this embodiment of the utility model, the first indicator light D1 indicates the charging status of the in-vehicle energy storage device 60, so that the staff can be informed of the charging status of the in-vehicle energy storage device 60 in a timely manner, and handle the charging fault in time in case of abnormal charging to avoid damage to the in-vehicle energy storage device 60; the second indicator light D2 indicates the discharging status of the in-vehicle energy storage device 60, so that the staff can be informed of the discharging status of the in-vehicle energy storage device 60 in a timely manner, and handle the discharging fault in time in case of abnormal discharging to avoid damage to the electrical equipment.
[0087] Optionally, refer to Figure 3 In some embodiments, the socket further includes an interface housing 70, in which the charging and discharging control circuit 10 is disposed; the interface housing 70 is provided with the charging and discharging interface 20 and the power interface 30.
[0088] In some embodiments, the charge / discharge control circuit 10 is disposed in the first side of the interface housing 70.
[0089] In this embodiment of the utility model, the charging and discharging control circuit 10 is disposed in the interface housing 70 to protect the charging and discharging control circuit 10. The charging and discharging interface 20 and the power interface 30 are disposed in the interface housing 70 to integrate the charging and discharging control circuit 10, the charging and discharging interface 20 and the power interface 30 into one unit, which has a higher degree of integration and is convenient for production and assembly.
[0090] Optionally, in some embodiments, the socket further includes a tail cover 80, which is disposed on a first side of the interface housing 70, and the charging / discharging interface 20 and the power interface 30 are disposed on a second side of the interface housing 70, with the first side opposite to the second side.
[0091] In some embodiments, the socket further includes a plurality of fastening bolts 95, which secure the tail cap 80 to the mounting location (e.g., the exterior of a vehicle), thereby securing the socket to the mounting location.
[0092] In this embodiment of the utility model, by placing the tail cap 80 on the first side of the interface housing 70, the protection of the charging and discharging control circuit 10, the charging and discharging interface 20 and the power interface 30 is enhanced.
[0093] Optionally, refer to Figure 4 In some embodiments, the socket further includes a socket panel 90 disposed on a second side of the interface housing 70; the socket panel 90 is used to expose the charging / discharging interface 20 and / or the power interface 30.
[0094] In this embodiment of the utility model, by placing the socket panel 90 on the second side of the interface housing 70, the protection of the charging and discharging control circuit 10, the charging and discharging interface 20 and the power interface 30 is enhanced.
[0095] Optionally, refer to Figure 5 In some embodiments, the socket panel 90 is provided with a first interface cover 91, which is used to cover the charging and discharging interface 20; the socket panel 90 is provided with a second interface cover 92, which is used to cover the power interface 30.
[0096] In this embodiment of the invention, when the charging / discharging interface 20 is not in use, the first interface cover 91 is closed, thus shielding the charging / discharging interface 20 and improving its waterproof and dustproof properties. When the charging / discharging interface 20 is in use, i.e., when a charging gun needs to be inserted into the charging / discharging interface 20, the first interface cover 91 is opened, exposing the charging / discharging interface 20 for insertion of the charging gun. When the power interface 30 is not in use, the second interface cover 92 is closed, thus shielding the power interface 30 and improving its waterproof and dustproof properties. When the power interface 30 is in use, i.e., when a plug of a device needs to be inserted into the power interface 30, the second interface cover 92 is opened, exposing the power interface 30 for insertion of the device plug.
[0097] Optionally, in some embodiments, the socket is provided with a plug lock 93 for locking the external charging / discharging plug.
[0098] In some embodiments, the plug lock 93 is an electronic lock connected to the controller 50. When the charging gun is inserted into the charging / discharging interface 20, or the plug of the electrical device is inserted into the power interface 30, the controller 50 controls the plug lock 93 to lock. When it is necessary to pull the charging gun out of the charging / discharging interface 20, or the plug of the electrical device is necessary to pull out of the power interface 30, the controller 50 controls the plug lock 93 to unlock.
[0099] In this embodiment of the utility model, when the charging gun is inserted into the charging / discharging interface 20, the charging gun is locked by the plug-in lock 93 to prevent the charging gun from accidentally falling off and causing charging interruption; when the plug of the electrical device is inserted into the power interface 30, the plug of the electrical device is locked by the plug-in lock 93 to prevent the plug of the electrical device from accidentally falling off and causing discharging interruption.
[0100] Reference Figure 2 This utility model embodiment also provides a charging and discharging control circuit 10, including: a first connection terminal for connecting to a charging and discharging interface 20 and a power interface 30; a second connection terminal for connecting to an in-vehicle energy storage device 60; and a switch assembly for connecting to the first connection terminal and the second connection terminal, wherein the switch assembly is used to control the on / off state between the first connection terminal and the second connection terminal.
[0101] The specific implementation process of the charge and discharge control circuit 10 is similar to that described above, and will not be repeated here.
[0102] In this embodiment of the utility model, since the first connection terminal of the charging and discharging control circuit is connected to the charging and discharging interface 20 and the power interface 30, and the second connection terminal of the charging and discharging control circuit is connected to the in-vehicle energy storage device 60, and the switching component of the charging and discharging control circuit is connected to the first connection terminal and the second connection terminal, the on / off state between the first connection terminal and the second connection terminal can be controlled by the switching component, thereby controlling the on / off state between the in-vehicle energy storage device 60 and the charging and discharging interface 20, and between the in-vehicle energy storage device 60 and the power interface 30, the charging and discharging interface 20 and the power interface 30 can be controlled by the switching component. When the in-vehicle energy storage device 60 is connected to the charging and discharging interface 20 and the power interface 30, the in-vehicle energy storage device 60 can be charged through the charging and discharging interface 20 while the in-vehicle energy storage device 60 supplies power to the power device through the power interface 30, thereby improving the user experience.
[0103] Optionally, in some embodiments, the first connection end includes a first sub-connection end and a second sub-connection end, wherein the first sub-connection end is used to connect to the charging / discharging interface 20, and the second sub-connection end is used to connect to the power interface 30.
[0104] Optionally, in some embodiments, the switching assembly includes a first switching device K1; a first end of the first switching device K1 is connected to the first sub-connection terminal, and a second end of the first switching device K1 is connected to the second connection terminal.
[0105] Optionally, in some embodiments, the switching assembly further includes a second switching device K2; a first end of the second switching device K2 is connected to the second sub-connection terminal, and a second end of the second switching device K2 is connected to the second connection terminal.
[0106] Optionally, in some embodiments, the charge / discharge control circuit 10 further includes a controller connection terminal for connection to the controller 50 and the controller connection terminal for connection to the control terminal of the switching assembly.
[0107] Optionally, in some embodiments, the control terminal of the first switching device K1 is connected to the controller connection terminal, and / or the control terminal of the second switching device K2 is connected to the controller connection terminal.
[0108] Optionally, in some embodiments, the charge / discharge control circuit 10 further includes a fuse; the fuse is disposed between the first electrode 401 of the first connection terminal and the second connection terminal.
[0109] Optionally, in some embodiments, the fuse includes a first fuse F1, which is disposed between the first electrode 401 of the first sub-connection terminal and the second connection terminal.
[0110] Optionally, in some embodiments, the fuse includes a second fuse F2, which is disposed between the second sub-connection terminal and the first electrode 401 of the second connection terminal.
[0111] Optionally, in some embodiments, the charge / discharge control circuit 10 further includes an indicator light; the indicator light is connected to the first connection terminal, and the indicator light is used to indicate the charging and / or discharging status of the charge / discharge interface 20 and / or the power interface 30.
[0112] Optionally, in some embodiments, the controller connection terminal includes a first controller connection terminal and / or a second controller connection terminal, wherein the first controller connection terminal is adapted to control the charging of the charging and discharging interface 20, and the second controller connection terminal is adapted to control the discharging of the power interface 30.
[0113] Optionally, in some embodiments, the indicator light includes a first indicator light D1 and / or a second indicator light D2; a first end of the first indicator light D1 is connected to the first controller connection terminal, and a second end of the first indicator light D1 is connected to a potential reference point, the first indicator light D1 being used to indicate the charging status of the in-vehicle energy storage device 60; a first end of the second indicator light D2 is connected to the second controller connection terminal, and a second end of the second indicator light D2 is connected to the potential reference point, the second indicator light D2 being used to indicate the discharging status of the in-vehicle energy storage device 60.
[0114] The specific implementation process described above is similar to that described earlier, and will not be repeated here.
[0115] In this embodiment of the utility model, since the first connection terminal of the charging and discharging control circuit is connected to the charging and discharging interface 20 and the power interface 30, and the second connection terminal of the charging and discharging control circuit is connected to the in-vehicle energy storage device 60, and the switching component of the charging and discharging control circuit is connected to the first connection terminal and the second connection terminal, the on / off state between the first connection terminal and the second connection terminal can be controlled by the switching component, thereby controlling the on / off state between the in-vehicle energy storage device 60 and the charging and discharging interface 20, and between the in-vehicle energy storage device 60 and the power interface 30, the charging and discharging interface 20 and the power interface 30 can be controlled by the switching component. When the in-vehicle energy storage device 60 is connected to the charging and discharging interface 20 and the power interface 30, the in-vehicle energy storage device 60 can be charged through the charging and discharging interface 20 while the in-vehicle energy storage device 60 supplies power to the power device through the power interface 30, thereby improving the user experience.
[0116] This utility model embodiment also provides a vehicle, including the charging and discharging control circuit 10 as described above, or the socket as described above.
[0117] The specific implementation process of the charging and discharging control circuit 10 and the socket in the vehicle is similar to the aforementioned specific implementation process, and will not be repeated here.
[0118] In some embodiments, the in-vehicle energy storage device is the vehicle's battery, and the socket is located outside the vehicle to facilitate charging the vehicle's battery and supplying power to external electrical devices.
[0119] In summary, in this embodiment of the present invention, since the first connection terminal of the charging and discharging control circuit is connected to the charging and discharging interface 20 and the power interface 30, and the second connection terminal of the charging and discharging control circuit is connected to the in-vehicle energy storage device 60, and the switching component of the charging and discharging control circuit is connected to the first connection terminal and the second connection terminal, the on / off state between the first connection terminal and the second connection terminal can be controlled by the switching component, thereby controlling the on / off state between the in-vehicle energy storage device 60 and the charging and discharging interface 20, and between the in-vehicle energy storage device 60 and the power interface 30. This achieves control over the charging and discharging interface 20 and the power interface 30. Furthermore, when the in-vehicle energy storage device 60 is connected to the charging and discharging interface 20 and the power interface 30 by controlling the switching component, the in-vehicle energy storage device 60 can be charged through the charging and discharging interface 20 while the in-vehicle energy storage device 60 supplies power to the power device through the power interface 30, thereby improving the user experience.
[0120] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the term "comprising" or any other variation thereof is intended to cover non-exclusive inclusion, such that a process, method, article, or terminal device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or terminal device.
[0121] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
[0122] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.
Claims
1. A charge / discharge control circuit (10), characterized in that, include: The first connection end is used to connect to the charging / discharging interface (20) and the power interface (30); The second connection end is used to connect to the in-vehicle energy storage device (60); A switch assembly is connected to the first connection terminal and the second connection terminal, and the switch assembly is used to control the on / off state between the first connection terminal and the second connection terminal.
2. The charge / discharge control circuit (10) according to claim 1, characterized in that, The first connection end includes a first sub-connection end and a second sub-connection end. The first sub-connection end is used to connect to the charging and discharging interface (20), and the second sub-connection end is used to connect to the power interface (30).
3. The charge / discharge control circuit (10) according to claim 2, characterized in that, The switching assembly includes a first switching device (K1); The first end of the first switching device (K1) is connected to the first sub-connection end, and the second end of the first switching device (K1) is connected to the second connection end.
4. The charge / discharge control circuit (10) according to claim 3, characterized in that, The switching assembly also includes a second switching device (K2); The first end of the second switching device (K2) is connected to the second sub-connection end, and the second end of the second switching device (K2) is connected to the second connection end.
5. The charge / discharge control circuit (10) according to claim 4, characterized in that, The charge / discharge control circuit (10) further includes a controller connection terminal, which is used to connect to the controller (50) and is connected to the control terminal of the switch assembly.
6. The charge / discharge control circuit (10) according to claim 5, characterized in that, The control terminal of the first switching device (K1) is connected to the controller connection terminal, and / or the control terminal of the second switching device (K2) is connected to the controller connection terminal.
7. The charge / discharge control circuit (10) according to any one of claims 2-6, characterized in that, The charge / discharge control circuit (10) also includes a fuse; The fuse is disposed between the first electrode (401) of the first connection end and the second connection end.
8. The charge / discharge control circuit (10) according to claim 7, characterized in that, The fuse includes a first fuse (F1), which is disposed between the first electrode (401) of the first sub-connection terminal and the second connection terminal.
9. The charge / discharge control circuit (10) according to claim 7, characterized in that, The fuse includes a second fuse (F2), which is disposed between the second sub-connection terminal and the first electrode (401) of the second connection terminal.
10. The charge / discharge control circuit (10) according to claim 5 or 6, characterized in that, The charge / discharge control circuit (10) also includes indicator lights; The indicator light is connected to the first connection terminal and is used to indicate the charging and / or discharging status of the charging and discharging interface (20) and / or the power interface (30).
11. The charge / discharge control circuit (10) according to claim 10, characterized in that, The controller connection terminal includes a first controller connection terminal and / or a second controller connection terminal. The first controller connection terminal is adapted to control the charging and discharging interface (20), and the second controller connection terminal is adapted to control the discharging of the power interface (30).
12. The charge / discharge control circuit (10) according to claim 11, characterized in that, The indicator light includes a first indicator light (D1) and / or a second indicator light (D2); The first end of the first indicator light (D1) is connected to the first controller connection end, and the second end of the first indicator light (D1) is connected to the potential reference point. The first indicator light (D1) is used to indicate the charging status of the in-vehicle energy storage device (60). The first end of the second indicator light (D2) is connected to the connection end of the second controller, and the second end of the second indicator light (D2) is connected to the potential reference point. The second indicator light (D2) is used to indicate the discharge status of the in-vehicle energy storage device (60).
13. A socket, characterized in that, include: The charging / discharging interface (20), the power interface (30), and the charging / discharging control circuit (10) as described in any one of claims 1 to 12 are connected through the charging / discharging control circuit (10).
14. The socket according to claim 13, characterized in that, The socket also includes an interface housing (70), and the charging and discharging control circuit (10) is disposed in the first side of the interface housing (70).
15. The socket according to claim 14, characterized in that, The charging / discharging interface (20) and the power interface (30) are provided on the second surface of the interface housing (70), and the second surface of the interface housing (70) is disposed opposite to the first surface of the interface housing (70).
16. The socket according to claim 15, characterized in that, The socket also includes a copper busbar (94), and the charging and discharging control circuit (10) is connected to the charging and discharging interface (20) and / or the power interface (30) respectively through the copper busbar (94).
17. The socket according to claim 15, characterized in that, The socket also includes a socket panel (90), which is disposed on the second side of the interface housing (70); The socket panel (90) is used to expose the charging / discharging interface (20) and / or the power interface (30).
18. The socket according to claim 17, characterized in that, The socket panel (90) is provided with a first interface cover (91), which is used to cover the charging and discharging interface (20).
19. The socket according to claim 17, characterized in that, The socket panel (90) is provided with a second interface cover (92), which is used to cover the power interface (30).
20. The socket according to claim 14, characterized in that, The socket also includes a tail cap (80) for mounting on the first side of the interface housing (70).
21. The socket according to claim 20, characterized in that, The socket also includes a plurality of fastening bolts (95) for securing the tail cap (80) to the mounting location.
22. The socket according to claim 13, characterized in that, The socket is provided with a plug lock (93), which is used to lock the charging and discharging plug outside.
23. The socket according to claim 13, characterized in that, The charging / discharging interface (20) is an AC charging port, and / or the power interface (30) is an AC discharging port.
24. A vehicle, characterized in that, Includes a charge / discharge control circuit (10) as described in any one of claims 1 to 12, or a socket as described in any one of claims 13 to 23.