CN208623629U - A kind of solar cell test device - Google Patents

Abstract

The utility model provides a kind of solar cell test device, including test device ontology, upper test department and lower test department, the upper test department and the lower test department are connected with test device ontology respectively, the outer surface of the upper test department and/or the lower test department is coated with metal layer, the conductive layer metal ion having the same of the metal layer and solar battery to be detected.The utility model is coated with metal layer on the surface of upper test department and/or the lower test department, metal layer and solar battery to be detected metal ion having the same, the contact resistance between detection device and battery can be reduced, improve the accuracy of the electric performance test of battery.

Description

A kind of solar cell test device

Technical field

The utility model relates to photovoltaic technology field, and in particular to a kind of solar cell test device.

Background technique

It is constantly increased in global energy requirements, traditional energy holds at high price and environmental problem attention rate is constantly promoted Background under, renewable energy is rapidly developed in the world, global photovoltaic industry and solar energy market just rapidly at It is long.Solar battery is even more the important link of photovoltaic industry solar power system.

Solar battery needs electrically to can be carried out survey to its electric current, voltage etc. by test device in the process of production and processing Examination, the structure type of test device are broadly divided into two kinds, and one is upper and lower probe structures, and solar battery is placed in upper row's probe Between lower row's probe, battery surface is contacted to detect the electrical properties such as its electric current, voltage by probe；Another kind is probe peace Platform structure, have test platform and probe, solar battery is placed on test platform, and by probe contact battery surface with Detect the electrical properties such as its electric current, voltage.

Current existing test device is mainly the solar battery that test has metal electrode, but existing test device Probe and platform outer surface be coated with copper, the test device of the structure has that there are contact resistances is big with solar battery, surveys Try the larger problem of error.

Utility model content

The purpose of this utility model is to provide a kind of solar cell test device, with solve existing test device with Solar battery contact resistance is big, the larger problem of test error.

To achieve the above object, the utility model proposes technical solution it is as follows: a kind of solar cell test device, packet Include test device ontology, upper test department and lower test department, the upper test department and the lower test department respectively with test device sheet Body is connected, and the outer surface of the upper test department and/or the lower test department is coated with metal layer, the metal layer with it is to be detected The conductive layer of solar battery metal ion having the same.

According to solar cell test device provided by the utility model, in upper test department and/or the lower test department It is coated with metal layer, metal layer and solar battery to be detected metal ion having the same on surface, detection dress can be reduced The contact resistance between battery is set, the accuracy of the electric performance test of battery is improved.

In addition, can also be had following additional according to the solar cell test device of the utility model above-described embodiment Technical characteristic:

An example according to the present utility model, the upper test department includes metal probe, and the lower test department is metal Test platform.

An example according to the present utility model, the quantity of the metal probe be it is multiple, between multiple metal probes It is connected every laying and two-by-two.

An example according to the present utility model, the material of the metal layer are indium or tin or gallium or germanium.

An example according to the present utility model, the upper test department and the lower test department include metal probe.

The quantity of the metal probe of an example according to the present utility model, the upper test department and the lower test department is equal To be multiple, multiple metal probe intervals lay and are connected two-by-two.

An example according to the present utility model, the metal probe are telescopic spring probe.

An example according to the present utility model, the metal layer with a thickness of 0.1-1000um.

An example according to the present utility model, the upper test department have first to be in contact with solar cell surface Surface, the lower test department have the second surface being in contact with solar panel, the first surface and/or described second Surface is coated with the metal layer.

The advantages of above additional aspect, will be set forth in part in the description, and partially will become from the following description bright It is aobvious, or recognized by the practice of the utility model.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the solar cell test device of the present embodiment；

Fig. 2 is the sectional view of the metal probe of the solar cell test device of the present embodiment.

In attached drawing, parts list represented by the reference numerals are as follows:

1, test device ontology；2, upper test department；3, lower test department；4, metal probe；5, metal layer.

Specific embodiment

The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical It is novel, it is not intended to limit the scope of the utility model.

In conjunction with shown in attached drawing 1, a kind of solar cell test device is present embodiments provided, including test device ontology 1, Upper test department 2 and lower test department 3, upper test department 2 and lower test department 3 are electrically connected with test device ontology 1 respectively, the sun to be tested Energy battery is located at when detecting between test department 2 and lower test department 3.

In conjunction with shown in attached drawing 2, the present embodiment theing improvement is that compared with the prior art: upper test department 2 and lower test The outer surface in portion 3 is coated with metal layer 5, alternatively, the outer surface of upper test department 2 or lower test department 3 is coated with metal layer 5, gold Belong to the conductive layer metal ion having the same of layer 5 and solar battery to be detected.

By being coated with metal layer on the surface of upper test department 2 and/or lower test department 3, with solar battery to be detected Metal ion having the same can reduce the contact resistance between detection device and battery, improve the electric performance test of battery Accuracy.

The material of the metal layer of the present embodiment can be indium or tin or gallium or germanium, certainly other and above-mentioned metal chemistry Similar metal can also be used as the material of the metal layer of the present embodiment, and the material selection of metal layer be according to it is to be detected too Metal ion possessed by the conductive layer of positive energy battery determines.

Specifically, test department 2 has the first surface being in contact with solar cell surface, lower test department on the present embodiment 3 have the second surface being in contact with solar panel, and first surface and/or second surface are coated with metal layer 5, the first table Face and second surface refer to the face being directly in contact with solar battery in test.The use of indium can be saved using which Amount.

Specifically, the present embodiment metal layer 5 with a thickness of 0.1-1000um, preferably 1-100um, that is, ensure that test dress Setting can well contact with solar battery, also save the dosage of indium.

Specifically, there are many structure types of the upper test department 2 of the present embodiment and lower test department 3, such as shown in Fig. 1, on Test department 2 includes metal probe 4, the quantity of metal probe 4 be it is multiple, multiple intervals of metal probes 4 lay and are connected two-by-two, shape It is arranged at probe, the number of probes of probe row is 10-30 root；Lower test department 3 is metallic test platform, specially copper platform.

For another example upper test department 2 and lower test department 3 include metal probe 4, the metal of upper test department 2 and lower test department 3 The quantity of probe 4 be it is multiple, multiple metal probes 4 interval lays and is connected two-by-two, forms probe row, the number of probes of probe row Amount is 10-30 root.Since the probe of the structure and the probe of above structure are identical, this mode is not shown in the figure.

Specifically, the structure of the metal probe 4 of the present embodiment can also there are many, such as metal probe 4 directly be metal Silk, such as copper wire, 10-50 copper wire can form above-mentioned probe row's structure, brass wire diameter 0.1-1mm.Metal probe 4 Outer surface is coated with metal layer.Optionally, metal layer with a thickness of 0.1-1000um.

For another example metal probe 4 is telescopic spring probe, spring probe can preferably and respectively due to natural resiliency The solar battery of a Dimension Types is in contact.

In the description of the present invention, it should be understood that the orientation or positional relationship of the instructions such as term " on ", "lower" To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to Show or imply that signified device must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the utility model.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicit includes one or more of the features.The meaning of " plurality " is two or more in the description of the present invention, unless Separately there is clearly specific restriction.

In the present invention unless specifically defined or limited otherwise, the arts such as term " installation ", " connected ", " connection " Language shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral etc..For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (9)

1. a kind of solar cell test device, which is characterized in that including test device ontology, upper test department and lower test department, The upper test department and the lower test department are connected with test device ontology respectively, the upper test department and/or the lower survey The outer surface in examination portion is coated with metal layer, the conductive layer metal having the same of the metal layer and solar battery to be detected from Son.

2. solar cell test device according to claim 1, which is characterized in that the upper test department includes that metal is visited Needle, the lower test department are metallic test platform.

3. solar cell test device according to claim 2, which is characterized in that the quantity of the metal probe is more A, multiple metal probe intervals lay and are connected two-by-two.

4. solar cell test device according to claim 1, which is characterized in that the upper test department and the lower survey Examination portion includes metal probe.

5. solar cell test device according to claim 4, which is characterized in that the upper test department and the lower survey The quantity of the metal probe in examination portion be it is multiple, multiple metal probe intervals lay and are connected two-by-two.

6. according to the described in any item solar cell test devices of claim 2-5, which is characterized in that the metal probe is Telescopic spring probe.

7. solar cell test device according to claim 1-5, which is characterized in that the material of the metal layer Matter is indium or tin or gallium or germanium.

8. solar cell test device according to claim 1-5, which is characterized in that the thickness of the metal layer Degree is 0.1-1000um.

9. solar cell test device according to claim 1-5, which is characterized in that the upper test department tool There is the first surface being in contact with solar cell surface, the lower test department has second to be in contact with solar panel Surface, the first surface and/or the second surface are coated with the metal layer.