Dual-power charging panel

Abstract

The utility model discloses a dual-power charging panel, comprising a housing in which a processor is arranged, and the processor is in communication connection with a power supply module, an isolation power supply module, a power metering module, a relay A and a relay B; a 3.5 kw socket, a 3.5 kw socket and an LED indicating lamp are arranged on the surface of the shell, the relay A and the relay B are connected to the processor in parallel, the relay A and the relay B are in communication connection with a 7 kw socket and the 3.5 kw socket respectively, and the 7 kw socket and the 3.5 kw socket are connected to the power metering module in parallel. The isolation power supply module is connected in parallel with a wireless communication module and an LED dimming drive circuit. The processor is connected in parallel with a fuse, a power transformer and a current transformer. According to the utility model, the current generated during charging of the charging socket is monitored, overlarge current can be found in time, and the connection between the socket and the power supply can be disconnected at the first time.

Description

Technical Field

[0001] The utility model relates to the technical field of charging panels, in particular to a dual-power charging panel. Background Art

[0002] Whether it is a residence or an office space, in order to meet people's electricity needs, multiple external AC power sources are usually connected to the grid indoors, so that people can use the live wire and neutral wire of the external AC power source to draw electricity. People usually install power panels on the wall corresponding to the external AC power source to provide users with convenient electricity use.

[0003] However, the existing charging panel does not monitor the current of the charging panel during charging, and there is no safety measure to cut off the charging panel from the power supply when the current is too large. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a dual-power charging panel, which monitors the current generated by the charging socket when charging, can promptly detect excessive current, and disconnect the socket from the power supply at the first time. In order to achieve the above purpose and other advantages according to the present invention, a dual-power charging panel is provided, including:

[0005] A shell, in which a processor is arranged, and the processor is communicatively connected with a power module, an isolation power module, a power metering module, a relay A and a relay B; a 3.5kw socket, a 3.5kw socket and an LED indicator light are arranged on the surface of the shell;

[0006] Relay A and relay B are connected to the processor in parallel, and relay A and relay B are respectively connected to a 7kw socket and a 3.5kw socket for communication, and the 7kw socket and the 3.5kw socket are connected to the power metering module in parallel;

[0007] The isolated power supply module is connected in parallel with a wireless communication module and an LED dimming drive circuit, and the LED dimming drive circuit is connected in parallel with an LED indicator light A and an LED indicator light B;

[0008] The processor is connected in parallel with a fuse, a power transformer and a current transformer.

[0009] Preferably, the processor controls the connection and disconnection between the 7kw socket and the power supply through relay A;

[0010] The processor controls the connection and disconnection between the 3.5kw socket and the power supply through relay B.

[0011] Preferably, the wireless communication module is connected to the network via 4G, and the wireless communication module is used to report and receive MQTT instructions as required to perform related component operations and cancel component operations.

[0012] Preferably, the 7kw socket and the 3.5kw socket are in the unactivated state, and the relay A and the relay B and the kw socket and the 3.5kw socket are in the unpowered state;

[0013] When the 7kw socket and the 3.5kw socket are in the starting state, the processor controls relay A or relay B so that one of the relays is in the power-off state, and only one relay is in the power-on state at the same time.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the high voltage and large current of the primary circuit are converted into low voltage and small current suitable for measurement by instruments and relays according to a predetermined ratio through the current transformer, making the measurement more accurate and convenient. The DC power and voltage required by the isolation power module are adjusted by using the isolation power module to convert the input AC power into DC power with a suitable voltage level according to the design requirements. When the processor receives an excessive current on the socket, the connection between the socket and the power supply is cut off by controlling the relay. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the connection structure between the components of the dual-power charging panel according to the utility model;

[0016] Figure 2 The circuit diagram of relay A and relay B of the dual-power charging panel according to the utility model;

[0017] Figure 3 The circuit diagram of the 4G module with dual-power charging panel according to the utility model;

[0018] Figure 4 It is a circuit diagram of a processor with a dual-power charging panel according to the utility model;

[0019] Figure 5 It is a circuit diagram of an isolated power supply module with a dual-power charging panel according to the utility model;

[0020] Figure 6 It is a circuit diagram of a voltage transformer with a dual-power charging panel according to the utility model;

[0021] Figure 7 The utility model is a circuit diagram of a power metering module with a dual-power charging panel. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1 , a dual-power charging panel, including: a shell, a processor is arranged inside, the processor is connected to the power module, the isolation power module, the power metering module, the relay A and the relay B; the surface of the shell is provided with a 3.5kw socket, a 3.5kw socket and an LED indicator, the LED indicator includes an LED indicator A and an LED indicator B, each LED indicator can be adjusted to 3 to 4 colors to ensure the display of multiple execution states of the device. Figure 2 As shown, through relay A and relay B, the output signal of the processor is compatible with the input signal of the relay. In the processing program, the code for controlling the state of the output pin is written. Setting the output pin to a high level, such as logic "1" or VCC, will close or energize the relay, and setting it to a low level, such as logic "0" or GND, will open or de-energize the relay.

[0024] like Figure 4 As shown, the processor is used to realize the control functions of all major components, submit and obtain operation instructions through 4G IoT module communication, connect the current transformer and put it on the incoming live wire to measure voltage and current.

[0025] like Figure 5 As shown, the isolated power supply module converts the 220V AC power supply into a DC power signal that can be supplied to the processor, 4G module, and indicator light, converts the voltage, and realizes the isolation of strong current and weak current.

[0026] like Figure 7 As shown, the power metering module is connected to the current transformer and the processor to convert the electrical signal into data that can be read by the processor to achieve accurate measurement of electrical energy.

[0027] The DC power and voltage required by the isolated power module can meet the different voltage and current requirements of various dependent electronic devices, communication equipment, etc. on the circuit board. The isolated power module is used to adjust the voltage value of the input AC power and convert it into DC power with a suitable voltage level according to the design requirements.

[0028] Two live wires are connected to the COM ports of two relays respectively, and then the live wires are output to the sockets through the NO ports. Each relay corresponds to one socket, and the sockets are directly connected to independent neutral wires and ground wires. Relay A and relay B are connected to the processor in parallel, and the processor controls the connection and disconnection between the 7kw socket and the power supply through relay A; the processor controls the connection and disconnection between the 3.5kw socket and the power supply through relay B, and relay A and relay B are respectively connected to the 7kw socket and the 3.5kw socket, and the 7kw socket and the 3.5kw socket are connected to the power metering module in parallel; when the 7kw socket and the 3.5kw socket are not started, relay A and relay B and the kw socket and the 3.5kw socket are all in the power-off state;

[0029] When the 7kw socket and the 3.5kw socket are in the starting state, the processor controls relay A or relay B so that one of the relays is in the power-off state, and only one relay is in the power-on state at the same time.

[0030] The isolated power supply module is connected in parallel with a wireless communication module and an LED dimming drive circuit, and the LED dimming drive circuit is connected in parallel with an LED indicator light A and an LED indicator light B;

[0031] The processor is connected in parallel with fuses, power transformers and current transformers. The voltage transformer is connected in parallel, which is mainly used to measure the voltage, power and electric energy of the line, and to protect the main equipment, motors and isolated power modules in the line when a circuit fault occurs; the voltage coil impedance of the secondary side instrument or relay of the voltage transformer is very large, and the current passing through is very small, so a fuse is installed on the secondary side for short-circuit protection. Figure 6 As shown, the power transformer performs voltage isolation measurement, power compensation and microcomputer protection on the circuit, and is used to measure high voltage and convert it into a low voltage signal.

[0032] The current transformer connected in series on the live wire of the busbar converts the high voltage and high current of the primary circuit into low voltage and low current suitable for measurement by instruments and relays according to a predetermined ratio, making the measurement more accurate and convenient.

[0033] Furthermore, the wireless communication module is connected to the network via 4G, and the wireless communication module is used to report and receive MQTT instructions as required to perform related component operations and cancel component operations. Figure 3 As shown, the 4G module establishes a connection with the server MQTT externally and with the processor internally to transmit device information to the platform and also receive operation instructions sent by the platform.

[0034] The number of devices and processing scale described here are used to simplify the description of the utility model. The application, modification and variation of the utility model are obvious to those skilled in the art.

[0035] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and implementation scheme. It can be fully applied to various fields suitable for the utility model. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the utility model is not limited to the specific details and the illustrations shown and described here.

Claims

1. A dual-power charging panel, characterized in that: include: A shell, in which a processor is arranged, and the processor is communicatively connected with a power module, an isolation power module, a power metering module, a relay A and a relay B; a 3.5kw socket, a 3.5kw socket and an LED indicator light are arranged on the surface of the shell; Relay A and relay B are connected to the processor in parallel, and relay A and relay B are respectively connected to a 7kw socket and a 3.5kw socket for communication, and the 7kw socket and the 3.5kw socket are connected to the power metering module in parallel; The isolated power supply module is connected in parallel with a wireless communication module and an LED dimming drive circuit, and the LED dimming drive circuit is connected in parallel with an LED indicator light A and an LED indicator light B; The processor is connected in parallel with a fuse, a power transformer and a current transformer.

2. A dual-power charging panel as claimed in claim 1, characterized in that: The processor controls the connection and disconnection between the 7kw socket and the power supply through relay A; The processor controls the connection and disconnection between the 3.5kw socket and the power supply through relay B.

3. A dual-power charging panel as claimed in claim 2, characterized in that: The wireless communication module is connected to the network via 4G. The wireless communication module is used to report and receive MQTT instructions as required to execute related component operations and cancel component operations.

4. A dual-power charging panel as claimed in claim 1, characterized in that: The 7kw socket and the 3.5kw socket are in the unactivated state, and the relay A and relay B as well as the kw socket and the 3.5kw socket are in the unpowered state; When the 7kw socket and the 3.5kw socket are in the starting state, the processor controls relay A or relay B so that one of the relays is in the power-off state, and only one relay is in the power-on state at the same time.

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