CN201247183Y - Apparatus for measuring mechanics performance of solar battery piece - Google Patents
Apparatus for measuring mechanics performance of solar battery piece Download PDFInfo
- Publication number
- CN201247183Y CN201247183Y CNU2008201247726U CN200820124772U CN201247183Y CN 201247183 Y CN201247183 Y CN 201247183Y CN U2008201247726 U CNU2008201247726 U CN U2008201247726U CN 200820124772 U CN200820124772 U CN 200820124772U CN 201247183 Y CN201247183 Y CN 201247183Y
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- solar battery
- battery sheet
- blade
- supporting
- cutting edge
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Abstract
The utility model relates to a measuring device of the mechanical property of solar cell gets, which mainly comprises two horizontal supporting stands, a working clearance is arranged between the two supporting stands, supporting cutters with seamed edges is fixed on each of the horizontal supporting stands, a solar cell get, whose both ends are respectively arranged on the seamed edges of the two supporting cutters, wherein the middle of the solar cell get is corresponding to the working clearance which is arranged between the two horizontal supporting stands, a forcing cutter whose cross beam on the middle portion is a cutting edge base, the cutting edge base is downwards provided with a cutting edge, wherein the cutting edge is transversely contacted with the solar cell get, both ends of the cross beam are respectively and vertically provided with a support, at least one weight is hung on the two supports, and a charge coupling device camera whose lens faces the contacting part between the cutting edge and the solar cell get. The measuring accuracy of the device can satisfy the requirements of the bending of the cell get, and the experimental device is simple and has low cost.
Description
Technical field
The utility model relates to a kind of modulus of elasticity in static bending measurement mechanism of solar battery sheet, relates to a kind of solar battery sheet mechanical property noncontact photogrammetric apparatus particularly.
Background technology
The mechanical property of material is the physical characteristics that must know in structural mechanics and the dynamic analysis, the modulus of elasticity in static bending is an important mechanical property parameters of material, this characteristic normally by experiment method measures, and experimental provision commonly used at present is to measure with universal material experimental machine or three-point bending experimental machine.The modulus of elasticity in static bending of solar battery sheet need be measured its sag, the size of sag about tens to the hundreds of micron, and the displacement accuracy of universal material experimental machine or three-point bending experimental machine is generally 1000 microns, its displacement accuracy does not reach, and therefore can't measure the sag of solar battery sheet on experimental machine.In addition, universal material experimental machine and three-point bending experimental machine are very expensive.
The utility model content
The purpose of this utility model is to provide a kind of solar battery sheet mechanical property measurement mechanism, can't realize the deficiency of sag measurement in the solar battery sheet modulus of elasticity in static bending experiments of measuring to solve the current material experimental provision, and the too expensive defective of experimental facilities.
For achieving the above object, the solar battery sheet mechanical property experiments of measuring device that the utility model provides, it mainly comprises:
Two horizontal seats are provided with the working clearance each other, respectively are fixed with the supporting cutter of a band seamed edge on each horizontal seat;
One solar battery sheet, its both sides place respectively on the seamed edge of two supporting cutters, the working clearance in the middle of this solar battery sheet in the middle of corresponding two horizontal seats;
An application of force cutter, crossbeam is the blade pedestal in the middle of it, and this blade pedestal down is provided with a blade, and basic configuration is Jiong shape; This blade contacts across the land with solar battery sheet; The two ends of crossbeam vertically respectively are provided with a support, make a call to a circular hole in identical position, the lower end of these two supports; One suspension hook is suspended on the support by the circular hole on the application of force knives rack; At least one counterweight hangs by suspension hook and hangs on two supports;
One charge-coupled device (CCD) video camera, its camera lens is towards the contact site of blade and solar battery sheet.
The measuring accuracy of the utility model device can satisfy the precision measure requirement of the sag of battery sheet, and experimental provision is simple, and cost is low.
Description of drawings
Fig. 1 is a solar battery sheet mechanical property noncontact photogrammetric apparatus synoptic diagram of the present utility model;
Fig. 2 is an application of force cutter front elevation of the present utility model;
Fig. 3 is along the cross section view of C-C line among Fig. 2; Wherein Fig. 3 A is the side view of Fig. 2;
Fig. 4 is a supporting cutter side view of the present utility model;
Fig. 5 is that the utility model is used for the synoptic diagram by the standard waffle slab of camera calibration
Fig. 6 is the amount of deflection-curve of load figure that utilizes the utility model that BSFR37 battery sheet is measured;
Fig. 7 is the amount of deflection-curve of load figure that utilizes the utility model that GaAs/Ge battery sheet is measured.
Embodiment
The principle that the solar battery sheet modulus of elasticity in static bending of the present utility model is measured is by photogrammetric and Flame Image Process, obtains the sag of solar battery sheet, calculates the modulus of elasticity in static bending according to Elasticity Elastic Modulus and Deflection Relationship then.
The crooked experiment device of solar battery sheet is according to GB/T14452-93 (metal bending mechanical property experimental technique) and GB1449-83 (compound substance crooked experiment method) requirement, adopts three-point bending method to experimentize and designs.
, be solar battery sheet mechanical property measurement mechanism synoptic diagram of the present utility model please in conjunction with Fig. 1.Wherein:
The pedestal of this device is two horizontal seats 1 that are provided with the working clearance each other, respectively be fixed with a supporting cutter 3 of being with seamed edge on two horizontal seats 1, in order to make supporting cutter 3 more stable on horizontal seat 1, between two supporting cutters 3 and two horizontal seats 1, fix the base 2 of an integral body.
The both sides of solar battery sheet 7 are placed on the seamed edge of two supporting cutters 3 working clearance in the middle of corresponding two horizontal seats 1 in the middle part of solar cell 7 respectively.Be with requiring emphasis, supporting cutter 3 of the present utility model has a seamed edge 3a, basic configuration is horizontal L type, and the both sides of solar battery sheet 7 are placed respectively on the seamed edge 3a of two supporting cutters 3, can keep to the anchorage force direction of this solar battery sheet 7 all the time vertically upward.
Above the centre position of solar battery sheet 7, settle an application of force cutter 6, the structure of this application of force cutter 6 sees also Fig. 2 and Fig. 3, crossbeam 12 is the blade pedestal in the middle of it, the below of this blade pedestal is provided with a blade 13, this blade 13 is to contact across the land with solar battery sheet 7, and is that contact point stands upright on the plane of solar battery sheet 7 with the blade.
The lower end that the two ends of the crossbeam 12 of application of force cutter 6 vertically respectively are provided with 10, two supports 10 of a support all offers a circular hole 11; The effect of this circular hole is to be used for hanging suspension hook 4.
The device that the utility model is used to gather measurement data is a ccd video camera, is that the resolution of this ccd video camera is not less than 500,000 pixels more satisfactoryly.The fixing back of this ccd video camera (such as tripod B), its camera lens is towards the contact site of blade 13 with solar battery sheet 7.
This ccd video camera is connected with a computing machine by a data lines, and to handle the data of gathering, the resolution of the image pick-up card of this computer configuration preferably is not less than 768 * 576 pixels.
During concrete operations, base 2 is fixed on the firm level left and right sides bearing 1, two L shaped supporting cutters 3 are parallel to base 2 edges and separated by a distance, the seamed edge 3a of L shaped supporting cutter 3 upcountry symmetry is fixed on the base 2, and battery sheet 7 is parallel to base 2 edge levels across on two supporting cutters 3.Face toward subsides one crosshair A (consulting shown in Fig. 3 A) on the side of ccd video camera at application of force cutter 6, crosshair A is centered close to tested solar battery sheet 7 upper surfaces and blade 13 point of crossing, application of force cutter 6 is placed on the solar battery sheet 7, and application of force cutter 6 is positioned on the line of symmetry of two supporting cutters 3.On the circular hole 11 of the support 10 of power cutter 6 both sides, hang suspension hook 4.Ccd video camera is placed on the tripod B, and image pick-up card is inserted the PCI slot of computing machine, connects ccd video camera and computing machine (known technology) by 1394 data lines.
After installing experimental provision, at first utilize standard waffle slab (consulting Fig. 5) that ccd video camera is demarcated.Take the start image of crosshair when on suspension hook, not adding counterweight then with ccd video camera, on suspension hook 4, hang counterweight 5 then, add a counterweight 5 at every turn, take the image of crosshair A with ccd video camera, until solar battery sheet 7 fractures; Carrying out Flame Image Process then, calculate the displacement of crosshair A, also is the amount of deflection of solar battery sheet 7.At last according to modulus of elasticity in static bending formula
In the formula: l is the distance between the supporting cutter (3); B is solar battery sheet 7 width; H is the thickness of solar battery sheet 7; Δ p is a load increment; Δ f is the amount of deflection increment at the span centre place corresponding with load increment Δ p, and unit is a rice (m).
Embodiment
Base 2 is fixed on the left and right bearing 1 of firm level.Base 2 is that a length of side is the foursquare iron plate of 88mm, and the thickness of base 2 is 5mm, and it is the threaded hole of 4mm that 8 diameters are arranged on the base 2, threaded hole is symmetry up and down, and, distribute two respectively apart from left hand edge 5mm, 15mm place apart from line of symmetry 25mm, distribute two respectively apart from right hand edge 5mm, 25mm place.4 threaded holes of base 2 by distance edge 5mm are screwed on the left and right bearing 1 of firm level.
With two L types supporting cutters 3 be parallel to base 2 edges, separated by a distance, seamed edge 3a interiorly symmetry be fixed on the base 2, solar battery sheet 7 is parallel to base 2 edge levels across on two supporting cutters 3.Supporting cutter 3 long 90mm, wide 20mm, the xsect of supporting cutter 3 is a rectangle, and on the end of rectangle a right-angle triangle is arranged, the hypotenuse of right-angle triangle is 30 ° in the angle on rectangular horizontal limit, the high 10mm of a side of right-angle triangle is arranged, the high 5mm of opposite side.
Facing to pasting a crosshair A on the side of ccd video camera, require crosshair A to be centered close to tested have solar battery sheet 7 upper surfaces and blade 13 point of crossing at application of force cutter 6.As the blade pedestal, the crossbeam two ends vertically respectively are provided with a support 10 to application of force cutter 6 by intermediate transverse girder 12, and total length is 100mm, high 30mm, and thick 5mm, intermediate transverse girder 12 length are 90mm.Intermediate transverse girder 12 comprises blade substrate and blade 13, the thick 5mm of blade substrate, and blade 13 xsects are V-shaped, and its angle is 60 °, and blade 13 contacts with solar battery sheet 7.Support 10 high 30mm, wide 5mm, thick 5mm, symmetrical each made a call to a circular hole on two supports, is used to hang suspension hook 4.Blade substrate and two supports 10 are square.
Application of force cutter 6 is placed on the solar battery sheet 7, and is positioned on the line of symmetry of two supporting cutters 3;
Image pick-up card is inserted the PCI slot of computing machine, and the driver of installation response, then ccd video camera is placed on the tripod, the height of adjusting tripod makes the optical axis of video camera near solar battery sheet 7, and be parallel to solar battery sheet 7 approximately, solar battery sheet 7 can be imaged on the center of image like this, focuses then, makes the clear picture of crosshair.The video camera that present embodiment adopts is a Panasonic WV-BP310 type, and image pick-up card is the Picolor32 black-white image grabbing card, and resolution is 768 * 576 pixels.
The standard waffle slab is vertical or tilt to be placed on the bearing 1, and take pictures, demarcation finished to computing machine.Hang suspension hook 4 at the circular hole of application of force cutter 6 both sides, take the start image of crosshair A, on suspension hook 4, hang counterweight 5 then, add a counterweight 5 at every turn, take the image of crosshair A with video camera, until solar battery sheet 7 fractures with video camera.The quality of each counterweight 5 is 50g, application of force cutter 6 heavy 60.5g, and suspension hook 4 heavy 40g, and the weight of battery sheet 7 only is several grams, so the deadweight of battery sheet 7 can be ignored.Just can calculate the displacement of crosshair A by Flame Image Process, also be the amount of deflection of battery sheet.
Fig. 6 represents the linearity range of the amount of deflection-curve of load of a certain silion cell BSFR37 sample, and calculating the modulus of elasticity in static bending is 8659.81MPa.Fig. 7 represents the linearity range of amount of deflection-curve of load of the sample of a certain GaAs/Ge battery sheet, and the modulus of elasticity in static bending is 4095.57MPa.
Claims (4)
1, a kind of solar battery sheet mechanical property measurement mechanism is characterized in that, mainly comprises:
Two horizontal seats are provided with the working clearance each other, respectively are fixed with the supporting cutter of a band seamed edge on each horizontal seat;
One solar battery sheet, its both sides place respectively on the seamed edge of two supporting cutters, the working clearance in the middle of this solar battery sheet in the middle of corresponding two horizontal seats;
An application of force cutter, crossbeam is the blade pedestal in the middle of it, and this blade pedestal down is provided with a blade, and this blade contacts across the land with solar battery sheet;
The two ends of crossbeam vertically respectively are provided with a support;
At least one counterweight is hung on two supports;
One charge coupled device camera, its camera lens is towards the contact site of blade and solar battery sheet.
2, measurement mechanism as claimed in claim 1 is characterized in that, between supporting cutter and the horizontal seat base is set.
3, measurement mechanism as claimed in claim 1 is characterized in that, the lower end of crossbeam two end supports respectively offers a circular hole, and counterweight angles on the circular hole that hangs over two supports by hanging.
4, measurement mechanism as claimed in claim 1 is characterized in that, charge coupled device camera is fixed on the A-frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201247726U CN201247183Y (en) | 2008-12-17 | 2008-12-17 | Apparatus for measuring mechanics performance of solar battery piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201247726U CN201247183Y (en) | 2008-12-17 | 2008-12-17 | Apparatus for measuring mechanics performance of solar battery piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201247183Y true CN201247183Y (en) | 2009-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201247726U Expired - Fee Related CN201247183Y (en) | 2008-12-17 | 2008-12-17 | Apparatus for measuring mechanics performance of solar battery piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201247183Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782485A (en) * | 2010-01-31 | 2010-07-21 | 常州亿晶光电科技有限公司 | Static pressure testing device of solar cell assembly |
| CN102980815A (en) * | 2011-09-07 | 2013-03-20 | 汤浅系统机器株式会社 | Bending testing device for surface body |
| CN107132113A (en) * | 2017-06-22 | 2017-09-05 | 英利能源（中国）有限公司 | Cell piece mechanical strength testing device |
| CN111366456A (en) * | 2018-12-25 | 2020-07-03 | 泰州隆基乐叶光伏科技有限公司 | Method for testing mechanical load capacity of battery piece |
-
2008
- 2008-12-17 CN CNU2008201247726U patent/CN201247183Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782485A (en) * | 2010-01-31 | 2010-07-21 | 常州亿晶光电科技有限公司 | Static pressure testing device of solar cell assembly |
| CN101782485B (en) * | 2010-01-31 | 2013-12-18 | 常州亿晶光电科技有限公司 | Static pressure testing device of solar cell assembly |
| CN102980815A (en) * | 2011-09-07 | 2013-03-20 | 汤浅系统机器株式会社 | Bending testing device for surface body |
| CN102980815B (en) * | 2011-09-07 | 2015-05-20 | 汤浅系统机器株式会社 | Bending testing device for surface body |
| CN107132113A (en) * | 2017-06-22 | 2017-09-05 | 英利能源（中国）有限公司 | Cell piece mechanical strength testing device |
| CN111366456A (en) * | 2018-12-25 | 2020-07-03 | 泰州隆基乐叶光伏科技有限公司 | Method for testing mechanical load capacity of battery piece |
| CN111366456B (en) * | 2018-12-25 | 2024-02-09 | 芜湖隆基光伏科技有限公司 | Method for testing mechanical load capacity of battery piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20111217 |