Solar battery sheet test device
Technical field
The utility model relates to field of solar energy more particularly to a kind of solar battery sheet test devices.
Background technique
With the development of photovoltaic industry, people are to pursue the solar battery of high conversion efficiency, low cost and realize photovoltaic
Cheap internet access is target.The solar battery of mainstream has p-type PERC, N-type PERT and HIT and IBC battery at present.N-type in recent years
Silicon solar cell has been to be concerned by more and more people because of the advantages that initial attenuation is small, temperature coefficient is low, dim light has responded.
Back contacts IBC battery based on N-type silicon substrate, is both placed in cell backside for p+ doped region and n+ doped region
The front (light-receiving surface) of (non-illuminated surface), the battery is blocked without any metal electrode, to effectively increase the short circuit of cell piece
Electric current is improved the energy conversion efficiency of cell piece.
It is existing in the related technology, in order to which installation when realizing solar battery built-in testing is fixed, be typically used for similar true
Then the device absorption cell piece of empty absorption platform etc is being tested, scheme can such as Publication No. CN103063996
The patent of A, however, such device needs to test using complicated absorption platform and electrode cooperation, structure is complex, cost
It is higher.
Utility model content
The utility model provides a kind of solar battery sheet test device, and to solve, structure is complex, cost is also higher
The problem of.
It is according to the present utility model in a first aspect, providing a kind of solar battery sheet test device, comprising: front probe
Structure and back side probe structure, the front probe structure includes front fixed pedestal, and is set to the front fixed pedestal
On front probe, the back side probe structure includes back side fixed pedestal, and the back on the back side fixed pedestal
Face probe;
In test positioned at the reverse side of cell piece, the front is solid for the back side fixed pedestal and the back side probe
Pedestal and the front probe are determined in test positioned at the positive side of the cell piece, and the cell piece is described in test
Front probe and the back side probe clamp;
The front probe is fixed with the back side probe at the back side in the distribution mode of the front fixed pedestal
The distribution mode of pedestal is identical.
Optionally, the end of the front probe is provided with rubber structure.
Optionally, the front fixed pedestal is transparent configuration.
Optionally, the device further includes clamp drive mechanism, and the clamp drive mechanism connection front is fixed
Pedestal and/or the back side fixed pedestal, the clamp drive mechanism is for controlling the front fixed pedestal and/or the back
Face fixed pedestal is moved along the direction for clamping the cell piece.
Optionally, the grasping drive unit includes slide construction and guide rail, and the slide construction can be along the guide rail
Mobile, the guide rail is arranged along the direction for clamping the cell piece, and the front fixed pedestal is connect with the slide construction.
Optionally, the grasping drive unit further includes driving motor and transmission component, and the driving motor is for passing through
The transmission component drives the slide construction to move along the guide rail.
Optionally, the transmission component is screw nut assembly.
Optionally, the slide construction includes glide base, parallel to each other at least two for being connected to the glide base
A sliding bar and two groups of adjusting components;
At least two sliding bar passes through the front fixed pedestal, and two groups of adjusting components are along the sliding bar
Length direction is located at the both ends of the front fixed pedestal, to adjust the front fixed pedestal along the position of the sliding bar
It sets.
Optionally, the glide base includes base body and the lug boss for being set to the base body, the adjusting group
Part includes adjusting screw, and the sliding bar is fixedly connected with the lug boss, and the adjusting screw is arranged in the lug boss, described
Sliding bar connects the lug boss.
Optionally, at least one of the slide construction, the back side fixed pedestal and described front fixed pedestal are equipped with
For determining the location structure of the back side fixed pedestal Yu front fixed pedestal position.
Solar battery sheet test device provided by the utility model is visited by the back side fixed pedestal and the back side
Needle is located at positioned at the reverse side of cell piece, the front fixed pedestal and the front probe in test described in test
The positive side of cell piece, the cell piece are clamped in test by the front probe and the back side probe, realize benefit
It uses test originally to need probe to be used as the installation fixed structure of cell piece, avoids multiple using similar absorption platform etc
Miscellaneous installation fixed structure, implementation is relatively simple, advantage of lower cost.
Meanwhile in the utility model, distribution mode and the back side of the front probe in the front fixed pedestal
Probe is identical in the distribution mode of the back side fixed pedestal, in turn, may make that cell piece front is identical as the stress at the back side, mentions
The high fixed stability of cell piece installation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of solar battery sheet test device in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of solar battery sheet test device in another embodiment of the utility model;
Fig. 3 is the structural schematic diagram of solar battery sheet test device in the utility model another embodiment;
Fig. 4 is the structural schematic diagram of front fixed pedestal and slide construction in an embodiment of the present invention.
Description of symbols:
The front 1- probe structure;
The front 11- fixed pedestal;
The front 12- probe;
13- rubber structure;
The back side 2- probe structure;
The back side 21- fixed pedestal;
The back side 22- probe;
3- cell piece;
4- slide construction;
41- glide base;
411- base body;
412- lug boss;
42- sliding bar;
43- adjusts screw;
5- guide rail.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The specification and claims of the utility model and term " first ", " second ", " third " in above-mentioned attached drawing
(if present)s such as " the 4 " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It answers
The data that the understanding uses in this way are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can
Implemented with the sequence other than those of illustrating or describing herein.In addition, term " includes " and " having " and they
Any deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, being
System, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or
For the intrinsic other step or units of these process, methods, product or equipment.
The technical solution of the utility model is described in detail with specifically embodiment below.These are specific below
Embodiment can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Fig. 1 is the structural schematic diagram of solar battery sheet test device in an embodiment of the present invention.
Referring to FIG. 1, solar battery sheet test device, comprising: front probe structure 1 and back side probe structure 2, it is described
Front probe structure 1 includes front fixed pedestal 11, and the front probe 12 on the front fixed pedestal 11, described
Back side probe structure 2 includes back side fixed pedestal 21, and the back side probe 22 on the back side fixed pedestal 21.
The back side fixed pedestal 21 with the back side probe 22 in test positioned at the reverse side of cell piece 3, it is described
Front fixed pedestal 11 is with the front probe 12 in test positioned at the positive side of the cell piece 3, the cell piece 3
It is clamped in test by the front probe 12 and the back side probe 22.
The cell piece 3 is clamped in test by the front probe 12 and the back side probe 22, is realized and is utilized survey
Examination originally needs installation fixed structure of the probe to be used as cell piece, avoids using similar absorption platform etc complexity
Fixed structure is installed, implementation is relatively simple, advantage of lower cost.
The front probe 12 is in the distribution mode of the front fixed pedestal 11 and the back side probe 22 in the back
The distribution mode of face fixed pedestal 21 is identical.In turn, the positive contact point of each front probe 12 and cell piece 3 is in front
In position, and a back side probe 22 is identical as position of the contact point of the reverse side of cell piece 3 in reverse side.
It in the present embodiment, may make that cell piece front is identical as the stress at the back side, improve the steady of cell piece installation fixation
It is qualitative.Specifically, the probe up and down of cell piece 3 can symmetrically press cell piece, uniform active force is generated, compare other methods
Sucker class testing fixture can reduce the fragment rate of battery testing process, improve battery yields.
Fig. 2 is the structural schematic diagram of solar battery sheet test device in another embodiment of the utility model.
Referring to FIG. 2, the end of the front probe 12 is provided with rubber structure 13.Itself it will be understood that are as follows: the present embodiment
Using the probe with rubber tip instead of original copper probe, it can be achieved that the test of back contacts IBC battery.
In one of embodiment, the front fixed pedestal 11 is transparent configuration.It is specifically as follows transparent resin material
What material was process.Using transparent configuration, translucency can be ensured.
The good effect of the present embodiment and its optinal plan can include:
(1) section components transformation is done on conventional test device, replaces original metal using transparent front fixed pedestal
Material, replace original copper probe with the front probe with rubber tip, it can be achieved that back contacts IBC battery test, avoid using
The modes such as vacuum chuck bring the problems such as structure is complicated and higher cost, structure is simplified, is reduced costs.
(2) probe up and down of the present embodiment can symmetrically press cell piece, generate uniform active force, and compare other methods
Sucker class testing fixture can reduce the fragment rate of battery testing process, improve battery yields.
(3) the use of the new type structure is simple, easy to use, is only transformed in conventional producing line, and be easily integrated and be convenient for electricity
The transmission of pond piece substitutes expensive vacuum absorption device, can reduce the production cost of IBC battery.
Fig. 3 is the structural schematic diagram of solar battery sheet test device in the utility model another embodiment.
Referring to FIG. 3, the device, further includes clamp drive mechanism, the clamp drive mechanism connects the front
Fixed base 11 and/or the back side fixed pedestal 21, the clamp drive mechanism for control the front fixed pedestal 11 and/
Or the back side fixed pedestal 21 is moved along the direction for clamping the cell piece 3.
In one of embodiment, referring to FIG. 3, the grasping drive unit includes slide construction 4 and guide rail 5, institute
Stating slide construction 4 can move along the guide rail 5, and the guide rail 5 is arranged along the direction for clamping the cell piece 3, it is described just
Face fixed pedestal 11 is connect with the slide construction 4.
Guide rail 5 can be fixed with the relative position of back side fixed pedestal 21.For example, guide rail 5 can be with back side fixed pedestal 11
It is installed on same pedestal.
In specific implementation process, the grasping drive unit can also include driving motor (not shown) and transmission component
(not shown), the driving motor are used to drive the slide construction to move along the guide rail by the transmission component.
Transmission component, it can be understood as the rotary motion of driving motor can be converted to the component of linear motion, meanwhile,
It can also implement speed regulation to rotary motion, and the transmitting of linear motion, such as slow down.Specifically, the transmission component
It can be screw nut assembly.
In one of embodiment, driving motor can be connect with controller, to realize automation control.
Fig. 4 is the structural schematic diagram of front fixed pedestal and slide construction in an embodiment of the present invention.
Referring to FIG. 4, the slide construction 4 includes glide base 41, is connected to the parallel to each other of the glide base 41
At least two sliding bars 42 and two groups of adjusting components 43;
At least two sliding bar 42 passes through the front fixed pedestal 11, using sliding bar 42, it can be achieved that front is solid
Determine the removable of pedestal 11, since the quantity of sliding bar 42 is at least two, can effective guarantee front fixed pedestal 11 position
It sets, it is avoided to rotate.
Two groups of adjusting components 43 are located at the front fixed pedestal 11 along the length direction of the sliding bar 42
Both ends, to adjust the front fixed pedestal 11 along the position of the sliding bar 42.
In one of embodiment, the glide base 41 may include base body 411 and be set to the pedestal sheet
The lug boss 412 of body 411, the adjusting component 43 include adjusting screw, and the sliding bar 42 is fixedly connected with the lug boss
412, the adjusting screw is arranged in the lug boss 412, and the sliding bar 42 connects the lug boss 412.
Wherein, lug boss 412 can be fixedly connected with base body 411, can also be integrally formed;Sliding bar 42 can be with
It is fixedly connected, can also be integrally formed with lug boss 412.
In addition, the quantity for adjusting screw can one, every end as shown in Figure 4, or the setting of every end is multiple.
By adjusting screw, the fine position of front fixed pedestal 11 can be effectively realized.
In one of embodiment, in the slide construction, the back side fixed pedestal and the front fixed pedestal
At least one be equipped with location structure for determining the back side fixed pedestal Yu front fixed pedestal position.
The location structure can a such as infrared facility, if the infrared facility be set to back side fixed pedestal, sliding tie
Structure or front fixed pedestal can be equipped with corresponding mark can check whether the infrared ray of infrared facility is right when being positioned
Quasi- mark, if alignment, then it is assumed that the first probe 12 can be aligned with corresponding second probe 22, to realize 3 liang of cell piece
The uniform stressed of side.
In conclusion solar battery sheet test device provided by the utility model, by the back side fixed pedestal with
The back side probe in test positioned at the reverse side of cell piece, testing with the front probe by the front fixed pedestal
When positioned at the positive side of the cell piece, the cell piece is in test by the front probe and the back side Probe clip
It holds, realizes the installation fixed structure for originally needing probe to be used as cell piece using test, avoid and inhaled using similar
The installation fixed structure of attached platform etc complexity, implementation is relatively simple, advantage of lower cost.
Meanwhile in the utility model, distribution mode and the back side of the front probe in the front fixed pedestal
Probe is identical in the distribution mode of the back side fixed pedestal, in turn, may make that cell piece front is identical as the stress at the back side, mentions
The high fixed stability of cell piece installation.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.