CN202616252U - Photovoltaic junction box safety module - Google Patents

Abstract

The utility model discloses a photovoltaic junction box safety module. The photovoltaic junction box safety module comprises an input interface, an output interface, a detection unit and a control output unit. The input interface is used for line detection on a solar cell panel and switch over of a solar cell power supply terminal. The output interface is used to control output and cutting off of the solar cell panel to external electric energy. The detection unit is used to generate a control command through analyzing a signal collected by an internal sensor and transmit the control command to the control output unit. The control output unit controls on and off of an external power supply through a terminal. By using the safety module of the utility model, aiming at a safety wiring module of the photovoltaic junction box, a corresponding line fault and cell panel output controls are comprised and a scheme used for reducing an application risk of solar cell is provided.

Description

The photovoltaic junction box security module

Technical field

The utility model relates to a kind of technical field of solar, relates in particular to a kind of photovoltaic junction box security module.

Background technology

Essential electric fittings when photovoltaic junction box is the solar cell panel assembly connection, major function is except exporting as the power supply after the battery blade unit serial connection, and the diode in the terminal box also provides protection for solar panel under hot spot effect.

Patent (application number: 201010109018.7) proposed the design of photovoltaic junction box, but it has considered the connection of photovoltaic module, does not consider under the assembly circuit situation on fire the dangerous problem of the external output HIGH voltage of solar panel.

Summary of the invention

The purpose of the utility model provides a kind of photovoltaic junction box security module; Solved in the safety problem that runs into the solar panel of circuit when on fire; Be primarily aimed at personal safety protection, accomplish the unusual automatic control of circuit through circuit abnormality alarm and control unit in the BIPV project.

The technical scheme that the utility model adopts is: a kind of photovoltaic junction box security module, and this photovoltaic junction box security module comprises input interface, output interface, detecting unit and control output unit;

Said input interface is used for wireline inspection and the switching of solar battery power terminal on the solar panel;

Said output interface is used to control the output of the external electric energy of solar panel and block;

Said detecting unit, to the different detection parameter, detection signal picks up from the diverse location of solar panel, wherein like the different thermal resistance signal in temperature signal solar cell panel assembly three places, source; Detection of electrical leakage is picked up from the cable shell of cell panel; Said detecting unit is used for the signal of internal sensor collection is generated control command after analyzing, and passs the control output unit with control command;

Said control output unit is through the break-make of binding post control to external power.What propose especially is that the detected parameters of detecting unit transducer can freely be arranged in pairs or groups, and mainly comprises temperature detection, line waveform abnormality detection, detection of electrical leakage etc.

Beneficial effect: the utility model comprises corresponding line fault and cell panel output control, for the application risk that reduces solar cell provides scheme to the safe Wiring module of photovoltaic junction box.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the utility model mounting structure sketch map.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is described further:

As illustrated in fig. 1 and 2: a kind of photovoltaic junction box security module, this photovoltaic junction box security module 5 comprise input interface 1, output interface 2, detecting unit 3 and control output unit 4;

Said input interface 1 is used for wireline inspection and the switching of solar battery power terminal on the solar panel 6;

Said output interface 2 is used to control the output of solar panel 6 external electric energy and block;

Said detecting unit 3, said detecting unit is used for the signal of internal sensor collection is generated control command after analyzing, and passs control output unit 4 with control command;

Said control output unit 4 is through the break-make of binding post control to external power.

Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection range of the utility model.The all available prior art of each part not clear and definite in the present embodiment realizes.

Claims (1)

1. photovoltaic junction box security module, it is characterized in that: this photovoltaic junction box security module comprises input interface, output interface, detecting unit and control output unit;

Said input interface is used for wireline inspection and the switching of solar battery power terminal on the solar panel;

Said output interface is used to control the output of the external electric energy of solar panel and block;

Said detecting unit is used for the signal of internal sensor collection is generated control command after analyzing, and passs the control output unit with control command;

Said control output unit is through the break-make of binding post control to external power.

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