A kind of solar simulator irradiation evenness test device
Technical field
The present invention relates to photovoltaic module detection technique field, in particular to a kind of solar simulator irradiation evenness test
Device.
Background technique
Photovoltaic module power test is one of most important link in photovoltaic module production process, normal power test method
Are as follows: solar simulator is got simulated solar irradiation and is radiated on photovoltaic module, photovoltaic module by be connected on test equipment from
And measure its power.Thus, the uniformity of solar simulator irradiation is particularly important for test result.Test in industry at present
Simulator irradiation uniformity is all made of 72P156M photovoltaic module substrate, is divided into 72 lattice, then successively puts monolithic battery piece
It is placed in lattice and is tested, then acquire cell piece short circuit current under each flash pulse of solar simulator with Quick Acquisition card
Variation, be converted into voltage signal after IV is calibrated, thus obtain too can simulator irradiation uniformity variation.However,
During actual test, since to will lead to test result deviation larger for the presence of substrate, and then simulator irradiation uniformity is influenced
Accurately assess.Thus, it would be highly desirable to technical staff solves the above problems.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of designs of structure simply, easy to adjust, quick, accurate positioning,
And the solar simulator irradiation evenness test device of substrate is carried out without photovoltaic module.
In order to solve the above-mentioned technical problem, the present invention relates to a kind of solar simulator irradiation evenness test device,
It includes substrate and the pedestal that is supported to the substrate, and a plurality of cross one another warp and weft are scored on substrate,
Form multiple positioning reference blocks of the same size.In addition, the solar simulator irradiation evenness test device further includes battery
Piece adjusts device, for adjusting position of the cell piece relative to positioning reference block.Cell piece adjustment device includes slide bar and sets
It is placed on the slide bar, the sliding shoe of free movement can be carried out in left-right direction, be provided on sliding shoe and cell piece shape phase
The positioning groove of adaptation.Slide bar is set on substrate, can carry out free movement along the vertical direction.
Solar simulator irradiation evenness test device by adopting the above technical scheme, it is fixed as cell piece using substrate
Position reference, abandoning tradition photovoltaic module substrate so eliminate its influence to test result.In addition, cell piece is opposite
The adjustment of position is realized by slide bar and sliding shoe, to prevent multiple taking and placing cell piece in operation caused by it
Pollution, and the position of cell piece is adjusted quickly, accurately.
As a further improvement of the present invention, warp is set as 7, and weft is set as 13.
It is configured by using above-mentioned technical proposal, so that substrate be also divided into 72 test positions, thus preferably mould
Quasi- 72P156M photovoltaic module substrate.
As a further improvement of the present invention, it is fixedly installed outwardly extending rotation axis in the left and right side of substrate, makes it
It is free to rotate relative to pedestal.Above-mentioned solar simulator irradiation evenness test device further includes limiting device, is fixed
In pedestal, for locking the rotational angle of rotation axis.
It is configured by using above-mentioned technical proposal, substrate can be rotated freely relative to pedestal, and in limiting device
Auxiliary can carry out position locking, thus can be suitably used for the polishing of solar simulator side or the two different checkout areas of upper polishing
Scape.
As a further improvement of the present invention, bearing is provided between rotation axis and pedestal.
It is configured by using above-mentioned technical proposal, improves the going slick property of rotation axis, and reduce rotation axis
With the frictional force between pedestal axis hole.
As a further improvement of the present invention, through-hole is offered on the side wall of rotation axis.Limiting device is to be interspersed in bottom
Seat, position are corresponding with through-hole, and outer diameter and through-hole are to the pin being adapted to.
The rotational angle of substrate is defined by the way of pin, structure design is simple, and function is reliable, operates just
It is prompt.
As a further improvement of the present invention, the inner wall of through-hole is provided with wear-resistant coating.
It is configured by using above-mentioned technical proposal, improves the abrasion-resistance of through-hole compatible with pin, on the one hand,
It ensures the cooperation precision of the two, and then ensures the accuracy of substrate orientation angle;On the other hand, the abrasion of through-hole is reduced
Rate improves the service life of rotation axis, reduces later maintenance frequency.
As a further improvement of the present invention, the left and right side on substrate offer along substrate length direction and mutually
The long striped groove of parallel arrangement is correspondingly fixed with side compatible with above-mentioned long striped groove in the left and right end of slide bar
Shape sliding shoe.Rectangular sliding shoe is made by ferrimagnet, and in the bottom of long striped groove, tiling has magnet.
By the mutual cooperation of rectangular sliding shoe and long striped groove realize slide bar along the accuracy in substrate length direction, and
The magnet of setting can ensure that the reliability of positioning after slide bar movement in place.
As a further improvement of the present invention, the downside of slide bar is provided with Auxiliary support leg.In Auxiliary support leg packet
Include the idler wheel touched with flat face on substrate.
It is configured by using above-mentioned technical proposal, enhances the structural stability of slide bar, reduce its downwarp amount, from
And ensure angle agreement of the cell piece relative to solar simulator at each bit test position.
As a further improvement of the present invention, it is provided with length adjuster on Auxiliary support leg, it is rectangular for adjusting
Height of the sliding shoe relative to magnet.
It is configured by using above-mentioned technical proposal, the suction of magnet square shaped sliding shoe can be adjusted according to actual needs
Gravitation, consequently facilitating being further ensured that operator moves under the premise of ensuring that slide bar has reliability of positioning relative to substrate
The convenience of moving slide-bar.
As a further improvement of the present invention, length adjuster includes the spiral shell for being perpendicularly fixed at Auxiliary support leg upper end
Bar and respectively against in the upper and lower side of slide bar and two nuts compatible with screw rod.
After rectangular sliding shoe is adjusted in place relative to the height of magnet, two nuts can be borrowed and carry out position locking, prevented
Height change occurs in it in the long-term use.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of main view of embodiment solar simulator irradiation evenness test device in the present invention.
Fig. 2 is the A direction view of Fig. 1.
Fig. 3 is the B-B partial sectional view of Fig. 1.
Fig. 4 is the C-C partial sectional view of Fig. 1.
1- substrate;11- positions reference block;12- long striped groove;2- pedestal;3- cell piece adjusts device;31- slide bar;
32- sliding shoe;321- positioning groove;The rectangular sliding shoe of 33-;4- rotation axis;41- through-hole;5- pin;6- magnet;7- Auxiliary support
Leg;8- length adjuster;81- screw rod;82- nut;9- bearing.
Specific embodiment
In the description of the present invention, it is to be understood that, the orientation or position of the instructions such as term "left", "right", "upper", "lower"
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is interpreted as limitation of the present invention.
Combined with specific embodiments below, the contents of the present invention are described in further detail, Fig. 1, Fig. 2 are respectively illustrated
A kind of main view and A direction view of embodiment solar simulator irradiation evenness test device in the present invention, by substrate
1, several parts such as pedestal 2 and cell piece adjustment device 3 are constituted, wherein substrate 1 is supported by pedestal 2, and is carved on it
Drawing has a plurality of cross one another 7 warps and 13 wefts, to form 72 each positioning reference blocks 11 of the same size.Cell piece
Adjustment device 3 is used to adjust position of the cell piece relative to positioning reference block 11 comprising slide bar 31 and is set to the slide bar
On 31, the sliding shoe 32 of free movement can be carried out in left-right direction, be provided on sliding shoe 32 and be adapted with cell piece shape
Positioning groove 321.It should be noted that the depth of positioning groove 321 is not greater than the thickness of cell piece, it is recessed to prevent fastening position
The edge of slot 321 blocks the irradiation light that solar simulator is issued, and influences the accuracy of test result.On substrate 1
Left and right side is offered along substrate length direction and the long striped groove 12 that is arranged parallel, correspondingly, in slide bar 31
Left and right end is fixed with rectangular sliding shoe 33 compatible with above-mentioned long striped groove 12, so, abandoning tradition photovoltaic group
Part substrate eliminates its influence to test result.In addition, preventing multiple taking and placing cell piece in operation caused by it
Pollution, and the position of cell piece is adjusted quickly, accurately.
The particular number of the above warp and weft can need to be adjusted according to actual test.In addition,
This also needs to illustrate that some slide bar 31 is moved freely along the vertical direction relative to substrate 1 in addition to above-mentioned sliding block sliding rail is matched
Conjunction form can also use other well known forms.Reliable location is carried out to its own afterwards in place in order to ensure slide bar 31 is mobile,
As advanced optimizing, rectangular sliding shoe 33 can be made by ferrimagnet, correspondingly, be tiled in the bottom of long striped groove 12
There is magnet 6.
As advanced optimizing for above-mentioned solar simulator irradiation evenness test device, angle of the substrate 1 with respect to pedestal 2
Degree can be adjusted as the case may be, and specific setting can refer to such as under type: as shown in Fig. 3, Fig. 4, in substrate 1
Left and right side is fixedly installed outwardly extending rotation axis 4, and rotation axis 4 is free to rotate to be arranged on pedestal 2.In order to reduce
Bearing 9 can be arranged in frictional force between rotation axis 4 and pedestal axis hole between the 2 of rotation axis 4 and pedestal.Bearing 9 preferably has
The plastic bearing of self-lubricating property.Furthermore for the ease of carrying out position locking, it is provided with limiting device, it may be assumed that in rotation axis 4
Through-hole 41 is offered on side wall.In addition, be also provided with pin 5, it is corresponding with through-hole 41 to be interspersed in pedestal 2, position, and outer diameter with
Through-hole 41 is adapted.So, so that the solar simulator irradiation evenness test device can be adapted for solar energy mould
Quasi- device side polishing or the two different test scenes of upper polishing.As further optimization, it is provided with down in the end of through-hole 41
Angle, so that the insertion process of pin 5 is smooth.
Furthermore the inner wall of through-hole 41 can also be provided with wear-resistant coating (not shown), on the one hand, ensure pin 5
With the cooperation precision of through-hole 41, and then the accuracy of 1 orientation angle of substrate is ensured;On the other hand, the mill of through-hole 41 is reduced
Rate is damaged, the service life of rotation axis 4 is improved, reduces later maintenance frequency.
Furthermore in order to enhance the structural stability of slide bar 31, reduces its downwarp amount, can also be set in the downside of slide bar 31
It is equipped with Auxiliary support leg 7, is provided with the idler wheel of the upper flat face of substrate 1 touching (in figure not in the lower end of Auxiliary support leg 7
Show), ensure that angle agreement of the cell piece relative to solar simulator at each bit test position.
Finally, the height for the ease of adjustment square slider 33 relative to magnet 6, so that adjustment process is convenient, reliable, also
Length adjuster 8, recommended setting mode can be provided on Auxiliary support leg 7 are as follows: the length adjuster 8 is by screw rod 81
And play the role of two nuts 82 composition of locking, wherein screw rod 81 is perpendicularly fixed at the upper end of Auxiliary support leg 7;Two
A nut 82 is respectively against in the upper and lower side of slide bar 31.Certainly, in addition in aforesaid way by adjusting square slider 33 and magnetic
The relative distance of iron 6 adjusts the size of attraction, can also set electromagnet for magnet 6, passes through and change size of current
Mode changes the intensity in magnetic field, and then adjusts the size of square slider 33 and 6 mutual attractive force of magnet.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.