Charging and discharging control device, equipment and charging and discharging system

Abstract

The invention discloses a charging and discharging control device, equipment and a charging and discharging system. The charging and discharging control device comprises a first control panel and a second control panel, the first control panel is arranged on the wall hanging seat and is used for being connected with a power supply; the second control panel is arranged on the portable charging pile and is used for being connected with charging and discharging equipment and an energy storage module of the portable charging pile; the first control board and the second control board are in communication connection through a first bus; the first control board and the second control board carry out power supply energy transmission through a power supply circuit; and the first control board and the second control board carry out signal interaction through a second bus. According to the charging and discharging control device, the portable charging pile used for energy storage and the wall-mounted base used for power supply can be connected and matched, so that the energy storage, charging and discharging functions can be achieved when the portable charging pile and the wall-mounted base are used in an inserted mode, and the problem that existing charging pile equipment cannot integrate the portable energy storage, charging and discharging functions is solved.

Description

Technical Field

[0001] The present invention relates to the field of new energy charging technology, and in particular to a charging and discharging control device, equipment and a charging and discharging system. Background Art

[0002] At present, new energy electric vehicles are increasingly recognized and welcomed by people. In order to meet the diverse and multi-scenario charging needs of new energy electric vehicles, in addition to traditional floor-standing charging piles, a variety of different forms of charging piles have also appeared on the market, such as movable portable charging piles, portable discharge guns, etc.

[0003] However, these charging piles have single functions and simple shapes. A single type of charging pile can only meet the application requirements of specific scenarios. Therefore, there is an urgent need for a set of products that integrate portable energy storage and charging and discharging functions and can comprehensively adapt to multiple application scenarios. How to connect and adapt the portable energy storage module and the charging and discharging module in the product, and how to exchange information and comprehensively control different modules are problems that need to be urgently solved in this field. Summary of the invention

[0004] The embodiments of the present invention provide a charge and discharge control device, equipment and a charge and discharge system to solve the problem that the existing charging piles cannot adapt to various application scenarios and cannot integrate portable energy storage and charge and discharge functions.

[0005] An embodiment of the present invention provides a charge and discharge control device, comprising a first control board and a second control board; The first control panel is arranged on a wall mount and is used to be connected to a power supply; The second control board is arranged on the portable charging pile, and is used to be connected to the charging and discharging device and the energy storage module of the portable charging pile; The first control board is communicatively connected with the second control board via a first bus; The first control board and the second control board transmit power energy via a power circuit; The first control board and the second control board exchange signals via a second bus.

[0006] Preferably, the first control board includes a first controller, a first communication module and a second communication module; the second control board includes a second controller, a third communication module, a charge and discharge communication module and a fourth communication module; The first communication module and the second communication module are connected to the first controller; The third communication module, the charge and discharge communication module and the fourth communication module are connected to the second controller; The first communication module is connected to the third communication module through a first bus, and is used to output a charge and discharge instruction to the third communication module, and is also used to receive a charge and discharge start signal sent back by the third communication module; The charging and discharging communication module is used to communicate with the charging and discharging device and detect the charging and discharging response status of the charging and discharging device; The second communication module is also used to connect to the charging operation platform and exchange information with the charging operation platform; The fourth communication module is also used to communicate with the charging operation platform and exchange information with the charging operation platform.

[0007] Preferably, the first control board further comprises a first power supply circuit connected to the first controller; the second control board further comprises a second power supply circuit connected to the second controller; The first control board is provided with a fixed female socket connected to the first power circuit, and the second control board is provided with a fixed male socket connected to the second power circuit, and the fixed male socket is used to be plugged into the fixed female socket; The first power supply circuit is used to connect the power supply and the energy storage module of the portable charging pile, and is used to connect the power supply and the energy storage module under the control of the first controller; The second power supply circuit is used to connect the energy storage module and the charging and discharging device, and is used to connect the energy storage module and the charging and discharging device under the control of the second controller.

[0008] Preferably, the first power supply circuit includes a first relay circuit and a second relay circuit; The first relay circuit is used to connect to the mains power supply; The second relay circuit is used to connect to a photovoltaic power source; The first controller is connected to the first relay circuit and the second relay circuit, and is used to control one of the first relay circuit and the second relay circuit to be turned on and the other to be turned off.

[0009] Preferably, the first control board further comprises a load balancing communication module connected to the first controller; The load balancing communication module is connected to the photovoltaic power source and is used to obtain the current output power and the current output current; The first controller is used to control the second relay circuit to be disconnected and the first relay circuit to be connected when the current output power is less than the preset output power; and / or the current output current is less than the preset output current.

[0010] Preferably, the first control board further comprises a first signal detection module connected to the first controller; the second control board further comprises a second signal detection module connected to the second controller; the first signal detection module and the second signal detection module perform signal exchange via a second bus; The first signal detection module is connected to the first power supply circuit and is used to obtain a first detection signal; The second signal detection module is connected to the second power supply circuit and is used to obtain a second detection signal; The first controller is used to control the operation of the first power supply circuit according to the first detection signal and / or the second detection signal; The second controller is used to control the operation of the second power supply circuit according to the first detection signal and / or the second detection signal.

[0011] Preferably, the first signal detection module includes a first switch identification circuit connected to the first power supply circuit, a first temperature acquisition circuit and a charge-discharge switch detection circuit; the first switch identification circuit is used to identify the closed state of the first magnetic switch connected to the first power supply circuit; the first temperature acquisition circuit is used to acquire the first temperature signal of the fixed mother seat; the charge-discharge switch detection circuit is used to acquire the charge-discharge switch signal; The second signal detection module includes a second switch identification circuit and a second temperature acquisition circuit connected to the second power supply circuit; the second switch identification circuit is used to identify the closed state of the second magnetic switch connected to the second power supply circuit; the second temperature acquisition circuit is used to collect the second temperature signal of the fixed male socket; The first controller is used to control the operation of the first power supply circuit according to the closed state of the first magnetic switch, the first temperature signal and the charge-discharge switch signal, or to control the operation of the first power supply circuit according to the closed state of the second magnetic switch and the second temperature signal; The second controller is used to control the operation of the second power supply circuit according to the closing state of the first magnetic switch, the first temperature signal and the charge and discharge switch signal, or to control the operation of the second power supply circuit according to the closing state of the second magnetic switch and the second temperature signal.

[0012] Preferably, the first temperature acquisition circuit is also used to acquire first address identification information; The first controller is used to control the operation of the first power supply circuit according to the first address identification information; The second temperature acquisition circuit is also used to acquire second address identification information and third address identification information; The second controller is used to control the operation of the second power supply circuit according to the second address identification information and the third address identification information.

[0013] An embodiment of the present invention further provides a charge and discharge control device, comprising a wall mount, a portable charging pile, and any one of the charge and discharge control devices described above; The wall mount is detachably connected to the portable charging pile; The first control board is arranged on the wall mount, and the second control board is arranged on the portable charging pile and connected to the energy storage module of the portable charging pile; The first control board is communicatively connected with the second control board via a first bus; The first control board and the second control board transmit power energy via a power circuit; The first control board and the second control board exchange signals via a second bus.

[0014] The embodiment of the present invention further provides a charging and discharging system, comprising a power supply and the above-mentioned charging and discharging control device; The power supply is connected to the first control board, and the second control board is used to connect to the charging and discharging equipment.

[0015] The embodiments of the present invention provide a charging and discharging control device, equipment and charging and discharging system. By arranging a first control board mounted on a wall mount and a second control board mounted on a portable charging pile, and arranging corresponding interactive connection lines between the first control board and the second control board, a portable charging pile for energy storage and a wall mount for power supply can be connected and adapted, so that the portable charging pile can realize the energy storage and charging function when used alone, and the portable charging pile can realize the energy storage, charging and discharging functions when plugged into the wall mount, thereby solving the problem that the existing charging pile equipment cannot integrate portable energy storage and charging and discharging functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative labor.

[0017] Figure 1 is a schematic diagram of the block diagram of a charging and discharging system in one embodiment of the present invention; Figure 2 It is a schematic diagram of the block diagram of a charge and discharge control device in one embodiment of the present invention.

[0018] In the figure: 1. Wall mount; 11. First control panel; 111. First controller; 112. First communication module; 113. Second communication module; 114. First power circuit; 1141. First relay circuit; 1142. Second relay circuit; 115. Fixed female seat; 116. Load balancing communication module; 117. First signal detection module; 118. Emergency stop detection circuit; 119. Card swiping module; 120. Electronic lock module; 2. Portable charging pile; 21. Second control panel; 211. Second controller; 212. Third communication module; 213. Fourth communication module; 214. Charge and discharge communication module; 215. Second power circuit; 216. Fixed male seat; 217. Second signal detection module; 218. Metering module; 219. Display module; 22. Energy storage module; 3. Power supply; 31. Mains power supply 31; 32. Photovoltaic power supply; 4. Charge and discharge equipment. DETAILED DESCRIPTION

[0019] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0020] In the description of the present invention, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] An embodiment of the present invention provides a charge and discharge control device, including a first control board 11 and a second control board 21; the first control board 11 is arranged on a wall mount 1, and is used to be connected to a power supply 3; the second control board 21 is arranged on a portable charging pile 2, and is used to be connected to a charging and discharging device 4 and an energy storage module 22 of the portable charging pile 2; the first control board 11 and the second control board 21 are communicatively connected via a first bus; the first control board 11 and the second control board 21 transmit power energy via a power circuit; the first control board 11 and the second control board 21 exchange signals via a second bus.

[0023] As an example, the charge and discharge control device includes a first control board 11 mounted on a wall mount 1 and a second control board 21 mounted in a portable charging pile 2, and the portable charging pile 2 is detachably connected to the wall mount 1. The first control board 11 mounted on the wall mount 1 is used to connect to the power supply 3, and the second control board 21 mounted in the portable charging pile 2 is connected to the energy storage module 22 in the portable charging pile 2 and the charging and discharging device 4 connected to the portable charging pile 2, and is used to provide a power energy transmission path for the energy storage module 22 and the charging and discharging device 4 connected to the portable charging pile 2, and is also used for communication between the charging and discharging device 4 connected to the portable charging pile 2. When the portable charging pile 2 is installed on the wall mount 1, the first control board 11 and the second control board 21 transmit power energy through the power circuit, so that the power supply 3 can charge and discharge the energy storage module 22 and the charging and discharging device 4 connected to the second control board 21. The first control board 11 is also connected to the second control board 21 through the first bus communication to transmit charging and discharging signals. The first control board 11 also exchanges signals with the second control board 21 through the second bus. For example, the first control board 11 can obtain the temperature signal detected at the first control board 11 through the second bus to control the on and off of the power circuit according to the temperature signal.

[0024] In this example, by setting a first control board 11 mounted on the wall mount 1 and a second control board 21 mounted on the portable charging pile 2, and setting corresponding interactive connection lines between the first control board 11 and the second control board 21, the portable charging pile 2 for energy storage and the wall mount 1 for power supply can be connected and adapted, so that the portable charging pile 2 can realize the energy storage and charging function when used alone, and the portable charging pile 2 can realize the energy storage, charging and discharging functions when plugged into the wall mount 1, which solves the problem that the existing charging pile equipment cannot integrate portable energy storage and charging and discharging functions.

[0025] In one embodiment, the first control board 11 includes a first controller 111, a first communication module 112 and a second communication module 113; the second control board 21 includes a second controller 211, a third communication module 212, a charge and discharge communication module 213 and a fourth communication module 214; the first communication module 112 and the second communication module 113 are connected to the first controller 111; the third communication module 212, the charge and discharge communication module 213 and the fourth communication module 214 are connected to the second controller 211; the first communication module 112 and the third communication module 212 are connected to each other through a first bus communication, and are used to output charge and discharge instructions to the third communication module 212, and are also used to receive the charge and discharge start signal transmitted back by the third communication module 212; the charge and discharge communication module 213 is used to communicate with the charge and discharge device 4 and detect the charge and discharge response state of the charge and discharge device 4; the second communication module 113 is also used to connect to the charging operation platform and exchange information with the charging operation platform; the fourth communication module 214 is also used to communicate with the charging operation platform and exchange information with the charging operation platform.

[0026] As an example, the first control board 11 includes a controller 111, a first communication module 112 and a second communication module 113; the second control board 21 includes a second controller 211, a third communication module 212, a charge and discharge communication module 213 and a fourth communication module 214. The first communication module 112 and the second communication module 113 are connected to the first controller 111; the third communication module 212, the charge and discharge communication module 213 and the fourth communication module 214 are connected to the second controller 211; the first communication module 112 and the third communication module 212 are connected through a first bus communication. The charge and discharge communication module 213 may include a charge and discharge identification acquisition circuit, a CP control guidance output circuit, and a CP control guidance level acquisition circuit, which are used to confirm the charge and discharge response status with the charge and discharge device 4 (such as a new energy electric vehicle). The second communication module 113 may include an Ethernet communication circuit, a 4G / 5G communication circuit, a CAN bus circuit, and an RS485 circuit. The second communication module 113 is connected to the charging operation platform and can also be connected to the smart terminal to realize information interaction between the charging operation platform and the smart terminal, for example, receiving the charging and discharging signals sent back by the smart terminal to realize remote control of the smart terminal to start and shut down the charging and discharging process. The fourth communication module 214 may include a WIFI module and a Bluetooth module. The fourth communication module 214 is connected to the charging operation platform and can also be connected to the smart terminal to realize information interaction between the charging operation platform and the smart terminal, for example, receiving the charging and discharging signals sent back by the smart terminal to realize remote control of the smart terminal to start and shut down the charging and discharging process.

[0027] Under the control of the first controller 111, the first communication module 112 can output charging and discharging instructions to the third communication module 212. After receiving the charging and discharging instructions, the second controller 211 can control the establishment of a power energy transmission path between the power supply 3 and the energy storage module 22 with the first controller 111 to realize the charging and discharging between the power supply 3 and the portable charging pile 2; the second controller 211 can also communicate with the charging and discharging device 4 through the charging and discharging communication module 213 after receiving the charging and discharging instructions in the third communication module 212 to obtain the charging and discharging response status of the charging and discharging device 4. When the charging and discharging device 4 is ready for charging and discharging, the charging and discharging start signal is sent back to the first communication module 112 through the third communication module 212, so that the first controller 111 controls the power supply 3 to charge and discharge according to the charging and discharging start signal, so as to establish a power energy transmission path between the power supply 3 and the charging and discharging device 4, and realize the charging and discharging between the power supply 3 and the charging and discharging device 4.

[0028] In one embodiment, the first control board 11 also includes a first power circuit 114 connected to the first controller 111; the second control board 21 also includes a second power circuit 215 connected to the second controller 211; the first control board 11 is provided with a fixed female socket 115 connected to the first power circuit 114, and the second control board 21 is provided with a fixed male socket 216 connected to the second power circuit 215, and the fixed male socket 216 is used to plug with the fixed female socket 115; the first power circuit 114 is used to connect the power supply 3 and the energy storage module 22 of the portable charging pile 2, and is used to connect the power supply 3 and the energy storage module 22 under the control of the first controller 111; the second power circuit 215 is used to connect the energy storage module 22 and the charging and discharging device 4, and is used to connect the energy storage module 22 and the charging and discharging device 4 under the control of the second controller 211.

[0029] As an example, the first control board 11 also includes a first power circuit 114 connected to the first controller 111; the second control board 21 also includes a second power circuit 215 connected to the second controller 211. The first power circuit 114 is used to connect the power input terminal and the fixed female socket 115 provided on the first control board 11, and the second power circuit 215 is used to connect the fixed male socket 216 and the energy storage module 22 provided on the second control board 21, and is also used to connect the energy storage module 22 and the charging and discharging device 4 through the connection lines such as the charging gun connected to the portable charging pile 2; when the portable charging pile 2 is plugged into the wall mount 1, the fixed male socket 216 and the fixed female socket 115 are plugged in, so that the first power circuit 114 and the second power circuit 215 form a complete power circuit.

[0030] When the portable charging pile 2 is plugged into the wall mount 1, the first power circuit 114 can be turned on under the control of the first controller 111 to connect the power supply 3 and the energy storage module 22, so that the power supply 3 and the energy storage module 22 can be charged and discharged. When the portable charging pile 2 is plugged into the charging and discharging device 4, the second power circuit 215 can be turned on under the control of the second controller 211 to connect the energy storage module 22 and the charging and discharging device 4. When the portable charging pile is plugged into the wall mount 1 and the charging and discharging device 4 at the same time, the first power circuit 114 and the second power circuit 215 are connected, and the second power circuit 215 is connected to the internal charging and discharging circuit in the charging and discharging device 4. Under the control of the first controller 111 and the second controller 211, the first power circuit 114 and the second power circuit 215 can connect the power supply 3 and the charging and discharging device 4, so as to realize the charging and discharging between the power supply 3 and the charging and discharging device 4.

[0031] In one embodiment, the first power supply circuit 114 includes a first relay circuit 1141 and a second relay circuit 1142; the first relay circuit 1141 is used to connect to the AC power supply 31; the second relay circuit 1142 is used to connect to the photovoltaic power supply 32; the first controller 111 is connected to the first relay circuit 1141 and the second relay circuit 1142, and is used to control one of the first relay circuit 1141 and the second relay circuit 1142 to be connected and the other to be disconnected.

[0032] As an example, the power supply 3 may include a mains power supply 31 and a photovoltaic power supply 32, the first control board 11 may include two power input terminals connected to the first power circuit 114, and two power output terminals are respectively used to connect the mains power supply 31 and the photovoltaic power supply 32, the first power circuit 114 also includes a first relay circuit 1141 and a second relay circuit 1142, the first relay circuit 1141 and the second relay circuit 1142 are respectively connected to a power input terminal, so that one end of the first relay circuit 1141 is connected to the mains power supply 31; one end of the second relay circuit 1142 is connected to the photovoltaic power supply 32. The first controller 111 is connected to the first relay circuit 1141 and the second relay circuit 1142, and can control one of the first relay circuit 1141 and the second relay circuit 1142 to be turned on and the other to be turned off, so that one of the mains power supply 31 and the photovoltaic power supply 32 is used as the target power supply for this charging and discharging, so that the target power supply is charged and discharged with the energy storage module 22 or the charging and discharging device 4.

[0033] In one embodiment, the first control board 11 also includes a load balancing communication module 116 connected to the first controller 111; the load balancing communication module 116 is connected to the photovoltaic power source 32, and is used to obtain the current output power and the current output current; the first controller 111 is used to control the second relay circuit 1142 to disconnect and the first relay circuit 1141 to connect when the current output power is less than the preset output power; and / or the current output current is less than the preset output current.

[0034] As an example, the first control board 11 also includes a load balancing communication module 116 connected to the first controller 111. The load balancing communication module 116 is used to connect to the inverter in the photovoltaic power source 32 and the mains power source 31, and is used to obtain the current output power and current output current of the photovoltaic power source 32, so that the first controller 111 can control the second relay circuit 1142 to disconnect and the first relay circuit 1141 to connect when the current charging power is less than the preset power, or the charging current is less than the preset charging current, and switch the target power source to the mains power source 31 for power supply; the first controller 111 can also control the second relay circuit 1142 to disconnect and the first relay circuit 1141 to connect before controlling the energy storage module 22 or the charging and discharging device 4 to discharge the target power source, and switch the target power source to the mains power source 31, so that the energy storage module 22 or the charging and discharging device 4 discharges the mains power source 31.

[0035] As another example, the load balancing communication module 116 is also used to connect to the AC power supply 31 to obtain the current output power and the current output current of the AC power supply 31, so that the first controller 111 adjusts the output power of the first power supply circuit 114 according to the current output power, the current output current and the target output power of the AC power supply 31, or adjusts the output power of the first power supply circuit 114 according to the current output power, the current output current and the target output power of the photovoltaic power supply 32.

[0036] In one embodiment, the first control board 11 also includes a first signal detection module 117 connected to the first controller 111; the second control board 21 also includes a second signal detection module 217 connected to the second controller 211; the first signal detection module 117 and the second signal detection module 217 exchange signals through a second bus; the first signal detection module 117 is connected to the first power supply circuit 114 for obtaining a first detection signal; the second signal detection module 217 is connected to the second power supply circuit 215 for obtaining a second detection signal; the first controller 111 is used to control the first power supply circuit 114 to work according to the first detection signal and / or the second detection signal; the second controller 211 is used to control the second power supply circuit 215 to work according to the first detection signal and / or the second detection signal.

[0037] As an example, the first control board 11 also includes a first signal detection module 117 connected to the first controller 111; the second control board 21 also includes a second signal detection module 217 connected to the second controller 211; the first signal detection module 117 and the second signal detection module 217 perform signal interaction through the second bus.

[0038] The first signal detection module 117 is connected to the first power supply circuit 114, and is used to detect the first power supply circuit 114, for example, to perform temperature detection on the first power supply circuit 114, so that the first controller 111 can control the operation of the first power supply circuit 114 according to the temperature signal detected by the first signal detection module 117; the second signal detection module 217 is connected to the second power supply circuit 215, and is used to detect the second power supply circuit 215, for example, to perform current detection on the second power supply circuit 215, so that the second controller 211 can control the operation of the second power supply circuit 215 according to the current signal detected by the second signal detection module 217.

[0039] At the same time, the first signal detection module 117 and the second signal detection module 217 can also perform signal interaction through the second bus to exchange the detected signals of the first power circuit 114 and the second power circuit 215, so that the first controller 111 can also obtain the detection signal of the second power circuit 215, and control the first power circuit 114 to work according to the detection signals of the first power circuit 114 and the second power circuit 215; the second controller 211 can also obtain the detection signal of the first power circuit 114, and control the second power circuit 215 to work according to the detection signals of the first power circuit 114 and the second power circuit 215. In this example, by setting the first signal detection module 117 and the second signal detection module 217 that can perform signal interaction, the first controller 111 and the second controller 211 can both obtain the detection signals of the first power circuit 114 and the second power circuit 215 to ensure that the first power circuit 114 and the second power circuit 215 work normally, and when an abnormal situation occurs, the first controller 111 and the second controller 211 can cut off the first power circuit 114 and the second power circuit 215 in time to ensure safe charging and discharging.

[0040] In one embodiment, the first signal detection module 117 includes a first switch identification circuit, a first temperature acquisition circuit and a charge and discharge switch detection circuit connected to the first power supply circuit 114; the first switch identification circuit is used to identify the closed state of the first magnetic switch connected to the first power supply circuit 114; the first temperature acquisition circuit is used to acquire the first temperature signal of the fixed mother seat 115; the charge and discharge switch detection circuit is used to acquire the charge and discharge switch signal; the second signal detection module 217 includes a second switch identification circuit and a second temperature acquisition circuit connected to the second power supply circuit 215; the second switch identification circuit is used to identify the second connected to the second power supply circuit 215 The closed state of the magnetic switch; the second temperature acquisition circuit is used to collect the second temperature signal of the fixed male socket 216; the first controller 111 is used to control the operation of the first power supply circuit 114 according to the closed state of the first magnetic switch, the first temperature signal and the charge and discharge switch signal, or to control the operation of the first power supply circuit 114 according to the closed state of the second magnetic switch and the second temperature signal; the second controller 211 is used to control the operation of the second power supply circuit 215 according to the closed state of the first magnetic switch, the first temperature signal and the charge and discharge switch signal, or to control the operation of the second power supply circuit 215 according to the closed state of the second magnetic switch and the second temperature signal.

[0041] As an example, the first signal detection module 117 includes a first switch identification circuit, a first temperature acquisition circuit and a charge and discharge switch detection circuit connected to the first power supply circuit 114. The first switch identification circuit is used to identify the closed state of the first magnetic switch and detect whether the movable charging pile is plugged into the wall mount 1. The first temperature acquisition circuit may include a first single bus controlled temperature sensor arranged on the fixed female socket 115 to detect the temperature of the fixed female socket 115 and collect it as a first temperature signal; the charge and discharge switch detection circuit is used to collect the charge and discharge switch signal and detect whether the charge and discharge switch (such as the first relay) is energized. The second signal detection module 217 includes a second switch identification circuit and a second temperature acquisition circuit connected to the second power supply circuit 215. The second switch identification circuit is used to identify the closed state of the second magnetic switch and detect whether the movable charging pile is plugged into the charge and discharge device 4; the second temperature acquisition circuit may include a second single bus controlled temperature sensor arranged on the fixed male socket 216 to detect the temperature of the fixed male socket 216 and collect it as a second temperature signal.

[0042] The first controller 111 is used to control the operation of the first power supply circuit 114 according to the closing state of the first magnetic switch, the first temperature signal and the charge-discharge switch signal. For example, when the first controller 111 detects that the first magnetic switch is closed and the first temperature signal is not greater than the preset temperature signal, the first controller 111 controls the first relay to be attracted. After detecting that the first magnetic switch is closed, the first relay is attracted to prevent the fixed mother seat 115 from being energized and electric shock. When the first controller 111 detects that the first temperature signal is greater than the preset temperature signal, the charge-discharge switch is disconnected to stop charging and discharging. And / or, the second controller 211 can also control the operation of the second power supply circuit 215 according to the closing state of the first magnetic switch, the first temperature signal and the charge-discharge switch signal. For example, when the first temperature signal is detected to be greater than the preset temperature signal, the second power supply circuit 215 is controlled to be disconnected to prevent overheating. The second controller 211 is used to control the operation of the second power supply circuit 215 according to the closing state of the second magnetic switch and the second temperature signal. For example, when the second controller 211 detects that the second magnetic switch is closed and the second temperature signal is not greater than the preset temperature signal, the energy storage module 22 is controlled to charge the charging and discharging device 4; when the second temperature signal is detected to be greater than the preset temperature signal, the second power supply circuit 215 is controlled to be disconnected to stop charging and discharging. And / or, the first controller 111 can also control the operation of the first power supply circuit 114 according to the closing state of the second magnetic switch and the second temperature signal. For example, when the second temperature signal is detected to be greater than the preset temperature signal, the first power supply circuit 114 is controlled to be disconnected to prevent overheating.

[0043] In one embodiment, the first temperature acquisition circuit is also used to acquire the first address identification information; the first controller 111 is used to control the operation of the first power supply circuit 114 according to the first address identification information; the second temperature acquisition circuit is also used to acquire the second address identification information and the third address identification information; the second controller 211 is used to control the operation of the second power supply circuit 215 according to the second address identification information and the third address identification information.

[0044] As an example, the first temperature acquisition circuit is also used to collect the first address identification information; specifically, the first temperature acquisition circuit can control the temperature sensor to change the address 01 through the first single bus when the fixed female socket 115 and the fixed male socket 216 are plugged in, as the first address identification information. The first controller 111 can control the first power supply circuit 114 to work according to the first address identification information. The second temperature acquisition circuit is also used to collect the second address identification information; specifically, the second temperature acquisition circuit can control the temperature sensor to change the address 02 through the second single bus when the fixed female socket 115 and the fixed male socket 216 are plugged in, and obtain the second address identification information as the identity information verification of the portable power supply plug; and control the temperature sensor to change the address 03 through the second single bus to obtain the third address identification information as the identity information verification of the portable discharge power strip. The second controller 211 can control the second power supply circuit 215 to work according to the second address identification information and the third address identification information.

[0045] In one embodiment, the first control board 11 also includes an emergency stop detection circuit 118 connected to the first power supply circuit 114; the emergency stop detection circuit 118 is used to control the first power supply circuit 114 to disconnect based on the emergency stop signal acquired; the emergency stop detection circuit 118 is also connected to the first signal detection module 117, and is used to output the emergency stop signal to the second signal detection module 217 through the first signal detection module 117, so that the second controller 211 controls the second power supply circuit 215 to disconnect according to the emergency stop signal.

[0046] As an example, the first control board 11 also includes an emergency stop detection circuit 118 connected to the first power supply circuit 114. One end of the emergency stop detection circuit 118 is connected to the emergency stop button provided on the wall mount 1. When the emergency stop button is pressed, the emergency stop detection circuit 118 can detect the emergency stop signal and control the emergency disconnection of the first power supply circuit 114 to perform emergency stop control to cope with emergencies. The emergency stop detection circuit 118 is also connected to the first signal detection module 117, and can output the emergency stop signal to the second signal detection module 217 through the first signal detection module 117, so that the second controller 211 receives the emergency stop signal and controls the emergency disconnection of the second power supply circuit 215 to perform emergency stop control.

[0047] In one embodiment, the first control panel 11 also includes a card swiping module 119 and an electronic lock module 120 connected to the first controller 111; the second control panel 21 also includes a metering module 218 and a display module 219 connected to the second controller 211; the card swiping module 119 is used to detect card information, and the first controller 111 is used to control the operation of the first power supply circuit 114 according to the card information; the electronic lock module 120 is used to be connected to the anti-theft device connected to the portable charging pile 2 and the wall mount 1, and is used to unlock or lock the anti-theft device under the control of the first controller 111; the metering module 218 is connected to the second power supply circuit 215, and is used to detect current signals and / or voltage signals; the display module 219 includes a touch screen and an indicator light, and is used to display power consumption information under the control of the second controller 211.

[0048] As an example, the first control board 11 also includes a card swiping module 119 connected to the first controller 111. The card swiping module 119 is used to detect card information. For example, the card swiping module 119 may include a card reader. When the card reader reads the corresponding card information, it can send a read signal to the first controller 111. The read signal may include a charge and discharge signal. The first controller 111 can control the first power supply circuit 114 to work according to the read signal to complete the charge and discharge. An anti-theft device is connected between the portable charging pile 2 and the wall mount 1 to prevent the portable charging pile 2 from being stolen. The first control board 11 also includes an electronic lock module 120 connected to the first controller 111. The electronic lock module 120 is used to be connected to the anti-theft device, and can unlock or lock the anti-theft device under the control of the first controller 111. The second control board 21 also includes a metering module 218 connected to the second controller 211. The metering module 218 may include a current acquisition circuit, a voltage acquisition circuit, a leakage acquisition circuit, and a ground continuity acquisition circuit, wherein the current acquisition circuit is used to acquire the current signal during the charging and discharging process and transmit the current signal to the second controller 211, and the voltage acquisition circuit is used to acquire the voltage signal during the charging and discharging process and transmit the voltage signal to the second controller 211, so that the second controller 211 can judge whether there is an overcurrent or overvoltage state during the charging and discharging process according to the current signal and the voltage signal. The second controller 211 can also transmit the current signal and the voltage signal to the first controller 111, so that the first controller 111 can obtain the current charging power or charging current. When the charging power is less than the preset power, or the charging current is less than the preset charging current, the target power source is switched to the mains power source 31 for power supply. The second control panel 21 also includes a display module 219 connected to the second controller 211; the display module 219 may include a color touch screen and an RGB indicator light, and can display the charging and discharging status information on the color touch screen under the control of the second controller 211, and can also light up the RGB indicator light for indicating the charging / discharging status under the control of the second controller 211 to indicate the charging and discharging status.

[0049] An embodiment of the present invention also provides a charging and discharging control device, including a wall mount 1, a portable charging pile 2 and a charging and discharging control device in any of the above embodiments; the wall mount 1 is detachably connected to the portable charging pile 2; a first control board 11 is arranged on the wall mount 1, and a second control board 21 is arranged on the portable charging pile 2, and is connected to the energy storage module 22 of the portable charging pile 2; the first control board 11 and the second control board 21 are communicatively connected via a first bus; the first control board 11 and the second control board 21 transmit power energy via a power circuit; the first control board 11 and the second control board 21 exchange signals via a second bus.

[0050] As an example, the charge and discharge control device includes a wall mount 1, a portable charging pile 2 and a charge and discharge control device in any of the above examples; the wall mount 1 is detachably connected to the portable charging pile 2; the first control board 11 is arranged on the wall mount 1, and the second control board 21 is arranged on the portable charging pile 2. In this example, by arranging the first control board 11 mounted on the wall mount 1 and the second control board 21 mounted on the portable charging pile 2, and arranging corresponding interactive connection lines between the first control board 11 and the second control board 21, the portable charging pile 2 for energy storage and the wall mount 1 for power supply can be connected and adapted, so that the portable charging pile 2 can realize the energy storage and charging function when used alone, and the portable charging pile 2 can realize the energy storage, charging and discharging functions when plugged with the wall mount 1, which solves the problem that the existing charging pile equipment cannot integrate portable energy storage and charging and discharging functions.

[0051] An embodiment of the present invention further provides a charging and discharging system, comprising a power supply 3, a charging and discharging device 4 and the charging and discharging control device in the above embodiment; the power supply 3 is connected to a first control board 11, and a second control board is used to connect to the charging and discharging device 4.

[0052] As an example, the charging and discharging system includes a power supply 3, a charging and discharging device 4 and the charging and discharging control device in the above example. In this example, by setting a first control board 11 mounted on the wall mount 1 and a second control board 21 mounted on the portable charging pile 2, and setting corresponding interactive connection lines between the first control board 11 and the second control board 21, the portable charging pile 2 for energy storage and the wall mount 1 for power supply can be connected and adapted, so that the portable charging pile 2 can realize the energy storage and charging function when used alone, and the portable charging pile 2 can realize the energy storage, charging and discharging functions when plugged in with the wall mount 1, which solves the problem that the existing charging pile equipment cannot integrate portable energy storage and charging and discharging functions.

[0053] The embodiments described above are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention, and should all be included in the protection scope of the present invention.

Claims

1. A charge and discharge control device, characterized in that: including a first control board and a second control board; The first control panel is arranged on a wall mount and is used to be connected to a power supply; The second control board is arranged on the portable charging pile, and is used to be connected to the charging and discharging device and the energy storage module of the portable charging pile; The first control board is communicatively connected with the second control board via a first bus; The first control board and the second control board transmit power energy via a power circuit; The first control board and the second control board exchange signals via a second bus.

2. The charge and discharge control device according to claim 1, characterized in that: The first control board includes a first controller, a first communication module and a second communication module; the second control board includes a second controller, a third communication module, a charge and discharge communication module and a fourth communication module; The first communication module and the second communication module are connected to the first controller; The third communication module, the charge and discharge communication module and the fourth communication module are connected to the second controller; The first communication module is connected to the third communication module through a first bus, and is used to output a charge and discharge instruction to the third communication module, and is also used to receive a charge and discharge start signal sent back by the third communication module; The charging and discharging communication module is used to communicate with the charging and discharging device and detect the charging and discharging response status of the charging and discharging device; The second communication module is also used to connect to the charging operation platform and exchange information with the charging operation platform; The fourth communication module is also used to communicate with the charging operation platform and exchange information with the charging operation platform.

3. The charge and discharge control device according to claim 2, characterized in that: The first control board further comprises a first power supply circuit connected to the first controller; the second control board further comprises a second power supply circuit connected to the second controller; The first control board is provided with a fixed female socket connected to the first power circuit, and the second control board is provided with a fixed male socket connected to the second power circuit, and the fixed male socket is used to be plugged into the fixed female socket; The first power supply circuit is used to connect the power supply and the energy storage module of the portable charging pile, and is used to connect the power supply and the energy storage module under the control of the first controller; The second power supply circuit is used to connect the energy storage module and the charging and discharging device, and is used to connect the energy storage module and the charging and discharging device under the control of the second controller.

4. The charge and discharge control device according to claim 3, characterized in that: The first power supply circuit includes a first relay circuit and a second relay circuit; The first relay circuit is used to connect to the mains power supply; The second relay circuit is used to connect to a photovoltaic power source; The first controller is connected to the first relay circuit and the second relay circuit, and is used to control one of the first relay circuit and the second relay circuit to be turned on and the other to be turned off.

5. The charge and discharge control device according to claim 4, characterized in that: The first control board also includes a load balancing communication module connected to the first controller; The load balancing communication module is connected to the photovoltaic power source and is used to obtain the current output power and the current output current; The first controller is used to control the second relay circuit to be disconnected and the first relay circuit to be connected when the current output power is less than the preset output power; and / or the current output current is less than the preset output current.

6. The charge and discharge control device according to claim 3, characterized in that: The first control board further includes a first signal detection module connected to the first controller; the second control board further includes a second signal detection module connected to the second controller; the first signal detection module and the second signal detection module perform signal exchange via a second bus; The first signal detection module is connected to the first power supply circuit and is used to obtain a first detection signal; The second signal detection module is connected to the second power supply circuit and is used to obtain a second detection signal; The first controller is used to control the operation of the first power supply circuit according to the first detection signal and / or the second detection signal; The second controller is used to control the operation of the second power supply circuit according to the first detection signal and / or the second detection signal.

7. The charge and discharge control device according to claim 6, characterized in that: The first signal detection module includes a first switch identification circuit connected to the first power supply circuit, a first temperature acquisition circuit and a charge and discharge switch detection circuit; the first switch identification circuit is used to identify the closed state of the first magnetic switch connected to the first power supply circuit; the first temperature acquisition circuit is used to collect the first temperature signal of the fixed mother seat; the charge and discharge switch detection circuit is used to collect the charge and discharge switch signal; The second signal detection module includes a second switch identification circuit and a second temperature acquisition circuit connected to the second power supply circuit; the second switch identification circuit is used to identify the closed state of the second magnetic switch connected to the second power supply circuit; the second temperature acquisition circuit is used to collect the second temperature signal of the fixed male socket; The first controller is used to control the operation of the first power supply circuit according to the closing state of the first magnetic switch, the first temperature signal and the charge-discharge switch signal, or to control the operation of the first power supply circuit according to the closing state of the second magnetic switch and the second temperature signal; The second controller is used to control the operation of the second power supply circuit according to the closing state of the first magnetic switch, the first temperature signal and the charge and discharge switch signal, or to control the operation of the second power supply circuit according to the closing state of the second magnetic switch and the second temperature signal.

8. The charge and discharge control device according to claim 7, characterized in that: The first temperature acquisition circuit is also used to acquire first address identification information; The first controller is used to control the operation of the first power supply circuit according to the first address identification information; The second temperature acquisition circuit is also used to acquire second address identification information and third address identification information; The second controller is used to control the operation of the second power supply circuit according to the second address identification information and the third address identification information.

9. A charge and discharge control device, characterized in that: It comprises a wall mount, a portable charging pile and a charging and discharging control device according to any one of claims 1 to 8; The wall mount is detachably connected to the portable charging pile; The first control board is arranged on the wall mount, and the second control board is arranged on the portable charging pile and connected to the energy storage module of the portable charging pile; The first control board is communicatively connected with the second control board via a first bus; The first control board and the second control board transmit power energy via a power circuit; The first control board and the second control board exchange signals via a second bus.

10. A charging and discharging system, characterized in that: comprising a power supply and the charge and discharge control device according to claim 9; The power supply is connected to the first control board, and the second control board is used to connect to the charging and discharging equipment.

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