Energy storage inverter with anti-electric shock plug connector

Abstract

The utility model discloses an energy storage inverter with an anti-electric shock plugging connector. The energy storage inverter comprises an energy storage inverter body, a connector plate end, a connector wire end, a controller and a signal collector. A controller and a signal collector are arranged in the energy storage inverter; the controller is connected with a connector plate end through a relay; the connector plate end and the connector wire end are provided with corresponding butt joint points; the wire end of the connector is in short circuit with a two-core signal pin through a lead, and the plate end of the connector is provided with a butt joint point of the signal pin and is connected with a signal collector; the signal collector collects connection information of the signal pin, judges whether the connector board end and the connector line end are connected in an inserted mode or not, feeds back the connection information to the controller and controls the relay to be switched on or switched off through the controller. According to the utility model, a two-core signal needle wire end short circuit is additionally arranged, a signal collector is used for collecting the plugging state of the energy storage inverter, the energy storage inverter receives a state signal that the connector is pulled out, and the controller cuts off the power supply at the connector end, so that the danger of electric shock is prevented.

Description

Technical Field

[0001] The utility model relates to household energy storage equipment, in particular to an energy storage inverter with an anti-electric shock plug-in connector. Background Art

[0002] Energy storage inverters can store electricity generated by solar panels or wind turbines in home and commercial energy storage systems for use at night or when energy generation is low, helping to reduce dependence on the grid and lower energy costs.

[0003] Common household energy storage inverters on the market have plug-in connectors at both the AC input and output ends, which are convenient for users to quickly plug and unplug during installation and removal. The problem with this inverter is that although the connector terminals are in the form of grooves, it is not easy to touch the metal sheet of the plug after the AC end connector is pulled out, but once a metal object is inserted into the groove of the live terminal, consumers may still touch the live terminal, which poses a safety hazard and can cause serious injuries if they are electrocuted. Summary of the invention

[0004] In view of the above existing technical problems, the utility model provides an energy storage inverter with an anti-electric shock plug-in connector. After the AC connector is unplugged, the AC input and output terminals of the energy storage inverter are automatically powered off to prevent accidental touch.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: an energy storage inverter with an anti-electric shock plug-in connector, comprising an energy storage inverter, a connector board end, a connector line end, a controller and a signal collector; the energy storage inverter is provided with a controller and a signal collector; the controller is connected to the connector board end through a relay; the connector board end and the connector line end have corresponding contacts; the connector line end short-circuits two-core signal pins through a wire, and the connector board end has a docking point for the signal pin and is connected to the signal collector; the signal collector collects connection information of the signal pin, determines whether the connector board end and the connector line end are plugged in, and feeds back to the controller, and controls the relay to close or disconnect through the controller.

[0006] The utility model further has seven docking points between the connector line end and the connector board end, namely L1-L1', L2-L2', L3-L3', N-N', PE-PE', F-F' and G-G'; the relay is connected to the L1, L2, L3 and N4 contacts, the controller is directly connected to the PE contact, and the signal collector is connected to the two contacts F' and G' of the signal pin.

[0007] Furthermore, in the utility model, the collector is integrated on the controller.

[0008] Furthermore, in the utility model, the connector board ends and the connector wire ends are provided in multiple groups.

[0009] Furthermore, the utility model provides that the connector plate end and the connector wire end together form a connector, and the connector is an aviation plug connector.

[0010] The beneficial effect of adopting the above technical solution is that the utility model adopts a plug-in connector with 2 more signal pins than the current conventional single-phase plug-in connector or three-phase plug-in connector. By short-circuiting the wire ends of the additional 2 signal pins, the signal collector is used to collect the plug-in status of the energy storage inverter. When the energy storage inverter receives the connector unplugged status signal, the controller cuts off the power supply of the connector end, thereby preventing the risk of electric shock. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the circuit principle diagram of the utility model;

[0012] Figure 2 It is a schematic diagram of the structure of the utility model;

[0013] Figure 3 It is a schematic diagram of plugging and unplugging the connector of the utility model;

[0014] In the figure: 1. Energy storage inverter, 2. Connector board end, 3. Connector wire end, 4. Controller, 5. Signal collector, 6. Signal pin. DETAILED DESCRIPTION

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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.

[0017] An embodiment of the present utility model: Figure 1 and Figure 2 As shown, an energy storage inverter with an anti-electric shock plug-in connector includes an energy storage inverter 1, a connector board end 2, a connector line end 3, a controller 4 and a signal collector 5; the energy storage inverter 1 is provided with a controller 4 and a signal collector 5; the controller 4 is connected to the connector board end 2 through a relay; the connector board end 2 and the connector line end 3 have corresponding contacts; Figure 1 and Figure 3As shown, the connector line end 3 short-circuits two signal pins 6 through a wire, and the connector board end 2 has a docking point for the signal pin 6 and is connected to the signal collector 5; the signal collector 5 collects the connection information of the signal pin 6, determines whether the connector board end 2 and the connector line end 3 are plugged in, and feeds back to the controller 4, and controls the relay to close or disconnect through the controller 4. The utility model adopts a plug-in connector with 2 more signal pins than the current conventional single-phase plug-in connector or three-phase plug-in connector. By adding another 2-core signal pin line end short-circuit, the signal collector 5 collects the plug-in status of the energy storage inverter, and the energy storage inverter 1 receives the connector unplugged status signal, and the controller 4 cuts off the power supply of the connector end, thereby preventing the risk of electric shock.

[0018] In other specific embodiments of the present invention, the rest is the same as the above embodiments, except that: Figure 1 As shown, there are 7 docking points L1-L1', L2-L2', L3-L3', N-N', PE-PE', F-F' and G-G' between the connector line terminal 3 and the connector board terminal 2 respectively; the relay is connected to the 4 contacts L1, L2, L3 and N, the controller 4 is directly connected to the PE contact, and the signal collector 5 is connected to the two contacts F' and G' of the signal pin 6.

[0019] Combined with the above embodiments, the working principle of the utility model is as follows Figure 1 As shown, when the connector line terminal 3 and the connector board terminal 2 are plugged in, the seven docking points L1-L1', L2-L2', L3-L3', N-N', PE-PE', F-F' and G-G' are connected. Since the two points F and G of the connector line terminal 3 are short-circuited, the signal collector 5 receives a dry contact equivalent to a closed point, and determines that the connector is in the plugged state. The controller 4 controls the relay KA to close, and the AC power outputs current through the connector. When the connector line terminal 3 is unplugged, the F' and G' ends of the connector board 2 are open, and the signal collector 5 receives a dry contact equivalent to a disconnected point, and determines that the connector is in the unplugged state. The controller 4 controls the relay KA to open and close, and cuts off the AC power output, thereby ensuring that after the connector is unplugged, even if the live terminal can be touched, there is no risk of electric shock. The optional model of relay KA is: AZSR143-1AE-12D; 277VAC / 43A.

[0020] In other specific embodiments of the present invention, the rest is the same as the above embodiments, except that: Figure 1 As shown, the collector 5 is integrated on the controller 4, and the optional models are: IC; GD32F307VET6; 2.6~3.6V; 120MHz.

[0021] In other specific embodiments of the present invention, the rest is the same as the above embodiments, except that: Figure 2 As shown, there are multiple groups of connector board ends 2 and connector wire ends 3. The energy storage inverter 1 may be provided with multiple groups of connectors according to actual needs, and each group of connectors may adopt the above-mentioned anti-electric shock structure.

[0022] In other specific embodiments of the present invention, the rest is the same as the above embodiments, except that: Figure 2 As shown, the connector board end 2 and the connector wire end 3 together form a connector, which is an aviation plug connector. Aviation plugs are widely used in various electrical circuits due to their high reliability. Of course, the utility model is also applicable to various other plugs.

[0023] Of course, the above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with this technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the main technical solution of the utility model should be included in the protection scope of the utility model.

Claims

1. An energy storage inverter with an anti-electric shock plug connector, characterized in that: Including inverter, connector board end, connector line end, controller and signal collector; The inverter is provided with a controller and a signal collector; The controller is connected via a relay and a connector board terminal; There are corresponding contacts on the connector board end and the connector wire end; The connector line end short-circuits two signal pins through a wire, and the connector board end has a docking point for the signal pins and is connected to a signal collector; The signal collector collects connection information of the signal pin, determines whether the connector board end and the connector line end are plugged in, and feeds back to the controller, which controls the relay to close or open.

2. The energy storage inverter with an anti-electric shock plug connector according to claim 1, characterized in that: There are seven docking points between the connector line end and the connector board end, namely L1-L1', L2-L2', L3-L3', N-N', PE-PE', F-F' and G-G'; the relay is connected to the L1, L2, L3 and N4 contacts, the controller is directly connected to the PE contact, and the signal collector is connected to the two contacts F' and G' of the signal pin.

3. An energy storage inverter with an anti-electric shock plug connector according to claim 1 or 2, characterized in that: The collector is integrated on the controller.

4. An energy storage inverter with an anti-electric shock plug connector according to claim 1 or 2, characterized in that: The connector board ends and the connector wire ends are arranged in multiple groups.

5. The energy storage inverter with an anti-electric shock plug connector according to claim 4, characterized in that: The connector board end and the connector wire end together form a connector, and the connector is an aviation plug connector.

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