CN217741672U - A photovoltaic module current detection system - Google Patents

Abstract

The utility model discloses a photovoltaic module current detection system, include: the circuit board comprises a machine shell, a circuit board and a circuit board, wherein the interior of the machine shell is provided with a containing cavity for arranging circuits, and the surface of the machine shell is provided with a mounting surface; the testing device is used for testing the current of the solar photovoltaic panel, the testing devices are respectively arranged on the mounting surface, and the first stage of the testing device is connected with the first stage of the solar photovoltaic panel in a one-to-one correspondence manner through a wire; and the other stage of each testing device is connected with the bus line through a lead, and the other pole of each solar photovoltaic panel is connected with the bus line through a lead. The technical effect of the scheme is as follows: can detect simultaneously a plurality of photovoltaic boards, detect simultaneously a plurality of photovoltaic module in one set of equipment and can reduce detection error, thereby can carry out rational arrangement to the circuit through setting up the conflux line simultaneously and reduce the quantity of wire.

Description

A photovoltaic module current detection system

technical field

The utility model relates to the photovoltaic field, in particular to a photovoltaic component current detection system.

Background technique

In the research and development process of solar photovoltaic panels, different processes are usually improved on the photovoltaic panels. Although the size and appearance of the formed photovoltaic panels are the same, the power generation efficiency will be quite different due to the different processes. However, in the prior art, the solar photovoltaic panels are tested one by one, the problem is that the efficiency is low, and if the position of the solar photovoltaic panels and the test time are different, there will be a large error in the detection in the natural environment , in view of this need to propose a new technical solution to solve the above technical problems.

Utility model content

In order to solve the above technical problems, the utility model discloses a photovoltaic module current detection system, which can simultaneously detect multiple photovoltaic panels, and can reduce detection errors by simultaneously detecting multiple photovoltaic panels in a set of equipment. Bus lines can arrange the lines reasonably to reduce the amount of wires.

Specifically, the utility model discloses a photovoltaic module current detection system, including:

A casing, the interior of the casing has an accommodating cavity for arranging lines, and the surface of the casing has a mounting surface;

A test device, the test device is used to test the current of the solar photovoltaic panel, and the test devices are respectively arranged on the installation surface, and the first stage of the test device and the first stage of the solar photovoltaic panel are connected one by one by wires. Corresponding connection;

As for the bus line, the other stage of each test device is connected to the bus line through wires, and the other pole of each solar photovoltaic panel is connected to the bus line through wires.

The technical effect of this scheme is that it can detect multiple photovoltaic panels at the same time, and the simultaneous detection of multiple photovoltaic modules in a set of equipment can reduce the detection error. Dosage.

Preferably, a diode is connected in series on the wire between the solar photovoltaic panel and the test device, and the diode is used to allow the current on the photovoltaic panel to flow into the test device in one direction.

The technical effect of this solution is: it is used to avoid the reverse flow of current.

Preferably, the casing is provided with a display screen for displaying current parameters generated by the solar photovoltaic panel. The technical effect of the solution is that it is convenient to observe the power generation parameters of the solar photovoltaic panel in real time.

Preferably, the bottom of the casing is provided with running wheels.

The technical effect of this scheme is that: since the solar photovoltaic panel is detected in an outdoor environment, this scheme facilitates the movement of the entire equipment by setting walking wheels, which improves the convenience of equipment use.

Preferably, the walking wheels are provided with foot brake pedals.

The technical effect of this solution is that it is convenient to lock the traveling wheels, so as to prevent the equipment from slipping during use.

Preferably, a ventilation window is provided on the casing, and the ventilation window communicates with the accommodating chamber.

The technical effect of the solution lies in that it is convenient to dissipate heat inside the casing and avoid excessive temperature of the wires in the casing.

Preferably, a thickened plate is fixed on the installation surface.

The technical effect of this solution is that: the thickened plate is used to increase the local structural strength of the casing, so that the deformation of the installation surface can be avoided when the test device is installed.

Further, a plurality of mounting plates are fixed on the thickened plate, and the testing device is fixed on the mounting plates through bolt assemblies.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for the embodiments or the description of the prior art.

Fig. 1 is a schematic structural diagram of a photovoltaic module current detection system proposed in this embodiment;

FIG. 2 is a schematic perspective view of the three-dimensional structure of the casing in this embodiment.

Wherein the label involved in accompanying drawing is as follows:

11-casing; 12-test device; 13-combustion line; 14-diode; 15-display; 16-walking wheel; 17-brake pedal; .

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figure 1 and Figure 2, this embodiment proposes a photovoltaic module current detection system, including:

A casing 11, the interior of the casing 11 has an accommodating cavity for arranging lines, and the surface of the casing 11 has a mounting surface;

Test device 12, the test device 12 is used to test the current of the solar photovoltaic panel, and the test device 12 is respectively arranged on the installation surface, and the first stage of the test device 12 and the first stage of the solar photovoltaic panel pass through The wires are connected in one-to-one correspondence;

The bus line 13, the other stage of each of the test devices 12 is connected to the bus line 13 through a wire, and the other pole of each solar photovoltaic panel is connected to the bus line 13 through a wire.

The technical effect of this solution is that multiple photovoltaic panels can be detected simultaneously, and detection errors can be reduced by simultaneous detection of multiple photovoltaic modules in a set of equipment. dosage.

As an implementation of this embodiment, a diode 14 is connected in series on the wire between the solar photovoltaic panel and the test device 12, and the diode 14 is used to allow the current on the photovoltaic panel to flow into the test device 12 in one direction. .

The technical effect of this solution is: it is used to avoid the reverse flow of current.

As an implementation of this embodiment, the casing 11 is provided with a display screen 15 for displaying current parameters generated by the solar photovoltaic panel. The technical effect of the solution is that it is convenient to observe the power generation parameters of the solar photovoltaic panel in real time.

As an implementation of this embodiment, the bottom of the casing 11 is provided with running wheels 16 .

The technical effect of this solution is that: since the solar photovoltaic panel is detected in an outdoor environment, the solution facilitates the movement of the entire device by setting the walking wheels 16, which improves the convenience of using the device.

As an implementation of this embodiment, a foot brake pedal 17 is provided on the road wheels 16 .

The technical effect of this solution is that it is convenient to lock the traveling wheels 16 to prevent the equipment from slipping during use.

As an implementation manner of this embodiment, the casing 11 is provided with a ventilation window 18, and the ventilation window 18 communicates with the accommodating chamber.

The technical effect of this solution is that it is convenient to dissipate heat inside the casing 11 and prevent the temperature of the wires inside the casing 11 from being too high.

As an implementation of this embodiment, a thickened plate 19 is fixed on the installation surface.

The technical effect of this solution is that the thickened plate 19 is used to increase the local structural strength of the casing 11 , so that when the testing device 12 is installed, deformation of the installation surface can be avoided.

Further, a plurality of mounting plates 20 are fixed on the thickened plate 19, and the testing device 12 is fixed on the mounting plates 20 through bolt assemblies.

Current performance testing method of solar photovoltaic panels:

For example, to compare the performance of the solar photovoltaic panels of the two processes, number the solar photovoltaic panels first, and number the solar photovoltaic panels made by the first process as A1, A2, A3...An, and the second process The manufactured solar photovoltaic panels are respectively numbered B1, B2, B3...Bn, and then the corresponding solar photovoltaic panels are respectively connected to the corresponding testing device 12 of the casing 11 for testing, and then comprehensively evaluate the two processes. performance of solar photovoltaic panels.

For those skilled in the art, without departing from the inventive concept of the present utility model, some modifications and improvements can be made, and these all belong to the protection scope of the present utility model.

Claims (8)

1. A photovoltaic module current detection system, comprising:

the circuit board comprises a machine shell, a circuit board and a circuit board, wherein the interior of the machine shell is provided with a containing cavity for arranging circuits, and the surface of the machine shell is provided with a mounting surface;

the testing device is used for testing the current of the solar photovoltaic panel, the testing devices are respectively arranged on the mounting surface, and the first stage of the testing device is connected with the first stage of the solar photovoltaic panel in a one-to-one correspondence manner through a wire;

and the other stage of each testing device is connected with the bus line through a lead, and the other pole of each solar photovoltaic panel is connected with the bus line through a lead.

2. The photovoltaic module current detection system according to claim 1, wherein a diode is connected in series on the wire between the solar photovoltaic panel and the testing device, and the diode is used for unidirectional current flow on the photovoltaic panel into the testing device.

3. The photovoltaic module current detection system according to claim 2, wherein a display screen is disposed on the casing and is used for displaying the current parameter generated by the solar photovoltaic panel.

4. The photovoltaic module current detection system of claim 1, wherein the bottom of the housing is provided with road wheels.

5. The photovoltaic module current detection system of claim 4, wherein a foot brake pedal is provided on the road wheel.

6. The photovoltaic module current detection system of claim 1, wherein a vent is provided on the housing, the vent communicating with the receiving cavity.

7. The photovoltaic module current detection system of claim 1, wherein a thickened plate is fixed to the mounting surface.

8. The photovoltaic module current detection system of claim 7, wherein a plurality of mounting plates are fixed to the thickened plate, and the testing device is fixed to the mounting plates by a bolt assembly.

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