CN112595223A - Instrument for accurately testing flatness of back guide rail - Google Patents
Instrument for accurately testing flatness of back guide rail Download PDFInfo
- Publication number
- CN112595223A CN112595223A CN202011482624.3A CN202011482624A CN112595223A CN 112595223 A CN112595223 A CN 112595223A CN 202011482624 A CN202011482624 A CN 202011482624A CN 112595223 A CN112595223 A CN 112595223A
- Authority
- CN
- China
- Prior art keywords
- guide rail
- screw rod
- back guide
- knife edge
- reverse rotation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
Abstract
The invention discloses an instrument for accurately testing the flatness of a back guide rail, which belongs to the technical field of photovoltaic power generation and comprises a marble table top, a main body frame, an ammeter, a current induction type tension machine and a knife edge ruler, wherein the main body frame is fixed on the marble table top, the current induction type tension machine consists of a controller, a forward and reverse rotation motor, a worm gear, a spiral screw rod and a screw rod sliding block, the controller is connected with the forward and reverse rotation motor and the ammeter, the knife edge ruler is fixed on the screw rod sliding block, the ammeter is respectively connected with a first lead wire and a second lead wire, the invention connects the ammeter between the knife edge ruler and the back guide rail, when the knife edge ruler is just contacted with the back guide rail, a current loop is formed, the current is transmitted to the controller, the controller controls the forward and reverse rotation motor to stop working, and then the measurement is carried out, so that the flatness of the back guide rail can be accurately obtained, thereby avoiding the influence caused, and the error caused by different measurement methods of operators is also avoided.
Description
Technical Field
The invention belongs to the technical field of photovoltaic power generation, and particularly relates to an instrument for accurately testing the flatness of a back guide rail in a photovoltaic module.
Background
The CIGS photovoltaic module consists of a chip, cover plate glass, a laminated adhesive film, a junction box and a back guide rail. The back guide rail is bonded with the photovoltaic module through AB two-component adhesive, and the photovoltaic module mostly needs to be hung on an outer wall for a long time for use, so the photovoltaic module is often influenced by various bad weather, and the photovoltaic module is required to have higher reliability and safety. The degree of deformation of the back rail is generally measured by testing the flatness of the back rail; because the roughness direct influence back guide rail glues the area with AB glue to influence bonding strength, and then influence photovoltaic module's security. The equipment currently used for producing too-capable modules of CIGS thin films is basically integrated, and the flatness of the back guide rail directly determines whether the equipment can be used successfully.
At present, the tools mainly used for measuring the flatness of the guide rail on the back of the CIGS photovoltaic module are a knife edge ruler, a feeler gauge and a marble table top, and the measuring method comprises the following steps: firstly, a back guide rail is placed on a flat marble table surface, an operator holds a knife edge ruler and places the knife edge ruler on the back guide rail (the minimum distance between a measuring point and the corresponding tail end is 250mm during operation), a feeler is inserted into a position with a gap, and the value is recorded, wherein the measuring method has the following defects: 1. the back guide rail is made of steel with the thickness of only 0.7mm, deformation is easy to occur, the knife edge ruler has certain weight, and the back guide rail on the stress surface is deformed due to the acting force of an inspector attached to the knife edge ruler, so that the accuracy of measurement is directly influenced; 2. the measurement method is greatly influenced by human factors, for example, the measurement results are greatly different when the measurement methods of inspectors are different.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an instrument for accurately testing the flatness of a back guide rail. Therefore, the influence caused by the weight of the knife edge ruler is avoided, and the error caused by different measuring methods of operators is also avoided.
The invention adopts the following technical scheme: the utility model provides an instrument for accurate test back guide rail roughness, includes surperficial marble mesa, main body frame, ampere meter, current induction type pulling force machine and edge of a knife chi, main body frame fixes on the marble mesa, and the ampere meter is fixed at the main body frame top, current induction type pulling force machine constitute by controller, positive and negative motor, worm gear, helical screw and lead screw slider, the controller couples with positive and negative motor and ampere meter, and the worm wheel is connected to the output of positive and negative motor, worm gear and worm meshing, the worm passes through the bearing frame to be connected with the helical screw, installs the lead screw slider on the helical screw, is fixed with edge of a knife chi clamp splice on the lead screw slider, the edge of a knife chi clamp splice fix on the lead screw slider, the positive negative pole of ampere meter is connected with first wire and second wire respectively.
During testing, the back guide rail to be tested is placed on a marble table, the first lead and the second lead are respectively connected with the knife edge ruler and the back guide rail to be tested, the forward and reverse rotation motors are started, the knife edge ruler moves down along with the screw rod sliding block, when the knife edge ruler moves to be just contacted with the back guide rail to be tested, a circuit is conducted to form a current loop, current generated by the ammeter is transmitted to the controller, the controller controls the forward and reverse rotation motors to stop working after receiving signals, and then measuring and reading are carried out by using measuring tools such as a feeler gauge or a laser range finder, so that the flatness of the back guide rail to be tested can be accurately obtained.
As the embodiment of the invention, the free ends of the first lead and the second lead are respectively provided with the lead clamp, and during testing, only the two lead clamps are required to be respectively clamped on the knife edge ruler and the back guide rail to be tested, so that the wiring time is saved.
The back guide rail, the edge ruler and the ammeter form a current loop by utilizing the conductive function of the back guide rail and the edge ruler, and the controller controls the forward and reverse rotation motor to control the lead screw slider to move up and down, so that the purpose of automation is achieved, the flatness of the back guide rail can be measured more accurately and efficiently, the influence caused by the weight of the edge ruler is avoided, and the error caused by different measurement methods of operators is also avoided. Meanwhile, the flatness of other electric conductors can be measured by changing the size of the knife edge ruler.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for precisely testing the flatness of a back surface guide rail according to the present invention.
Detailed Description
Embodiments of the invention are described in detail below with reference to the following figures:
an instrument for accurately testing the flatness of a back guide rail comprises a marble table top 1 with a smooth surface, a main body frame 9, an ammeter 10, a current induction type tensile machine and a knife edge rule 3, wherein the main body frame 9 is fixed on the marble table top 1, the ammeter 10 is fixed on the top of the main body frame 9, the current induction type tensile machine consists of a controller (not shown), a forward and reverse rotation motor 6, a worm gear 5, a spiral screw rod 11 and a screw rod slide block 8, the controller is connected with a control switch 7 of the forward and reverse rotation motor 6 and the ammeter 10, the output end of the forward and reverse rotation motor 6 is connected with the worm gear, the worm gear is meshed with the worm, the worm is connected with the spiral screw rod 11 through a bearing seat, the spiral screw rod slide block 11 is provided with a screw rod slide block 8, a knife edge rule clamp block 4 is fixed on the screw rod slide block 8, the knife edge rule 3 is fixed on the screw rod slide block through the knife edge rule clamp block 4, the positive and, the free ends of the first conductor 11 and the second conductor 12 each have a conductor clamp 14.
Use examples: testing the flatness of the back guide rail in the photovoltaic module:
the back guide rail 2 to be tested is placed on a flat marble table top 1, two wire clamps 14 of an ammeter 10 are respectively clamped on a knife edge rule 3 and the back guide rail 2 to be tested, a control switch 7 is operated to start a forward and reverse rotation motor 6, the knife edge rule 3 moves downwards at a constant speed along with a screw rod slide block 8, when the knife edge rule 3 is moved to be just contacted with the back guide rail 2 to be tested, a circuit is conducted to form a current loop, current generated by the ammeter 10 is transmitted to a controller, the controller receives a signal and enables the control switch 7 to control the forward and reverse rotation motor 6 to stop working, a feeler gauge is plugged into a gap between the knife edge rule 3 and the back guide rail 2 to be tested to measure and read, the flatness of the back guide rail 2 can be accurately measured, each back guide rail is tested for three times, the measured data are respectively 0.35mm, 0.35mm and 0.36mm, the average value of the measured data is 0.35mm, the results of, the instrument of the invention can accurately measure the flatness of the back guide rail.
The above description is only for the preferred embodiment of the present invention, but the present invention should not be limited to the disclosure of the embodiment and the drawings, and therefore, all equivalent substitutions and modifications without departing from the spirit of the present invention should fall within the protection scope of the present invention.
Claims (2)
1. The utility model provides an instrument for accurate test back guide rail roughness, includes surperficial marble mesa, edge of a knife chi, its characterized in that: the current induction type tensile machine is composed of a controller, a forward and reverse rotation motor, a worm gear, a spiral screw rod and a screw rod sliding block, the controller is connected with the forward and reverse rotation motor and the ampere meter, the output end of the forward and reverse rotation motor is connected with the worm gear, the worm gear is meshed with the worm, the worm is connected with the spiral screw rod through a bearing seat, the spiral screw rod is provided with a screw rod sliding block, a knife edge ruler clamping block is fixed on the screw rod sliding block, a knife edge ruler is fixed on the screw rod sliding block through the knife edge ruler clamping block, and the positive electrode and the negative electrode of the ampere meter are respectively connected with a first lead and a second lead.
2. The apparatus for precision testing of the flatness of the back rail of claim 1, wherein: the free ends of the first and second conductors each have a conductor clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011482624.3A CN112595223A (en) | 2020-12-15 | 2020-12-15 | Instrument for accurately testing flatness of back guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011482624.3A CN112595223A (en) | 2020-12-15 | 2020-12-15 | Instrument for accurately testing flatness of back guide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112595223A true CN112595223A (en) | 2021-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011482624.3A Pending CN112595223A (en) | 2020-12-15 | 2020-12-15 | Instrument for accurately testing flatness of back guide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112595223A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1217327A2 (en) * | 2000-12-20 | 2002-06-26 | Laboratoire Central Des Ponts Et Chaussees | Method and device for the measurement of the evenness of a surface |
| CN102636098A (en) * | 2012-04-23 | 2012-08-15 | 张志敏 | Calibrator for cage guide installation |
| CN202793297U (en) * | 2012-08-02 | 2013-03-13 | 北京通美晶体技术有限公司 | Sliding leveling ruler |
| CN104627780A (en) * | 2014-12-26 | 2015-05-20 | 日立电梯（中国）有限公司 | Method for installing guide rail in lift shaft |
| CN205537482U (en) * | 2016-03-08 | 2016-08-31 | 山西三江工程检测有限公司 | Digital display roughness survey chi |
-
2020
- 2020-12-15 CN CN202011482624.3A patent/CN112595223A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1217327A2 (en) * | 2000-12-20 | 2002-06-26 | Laboratoire Central Des Ponts Et Chaussees | Method and device for the measurement of the evenness of a surface |
| CN102636098A (en) * | 2012-04-23 | 2012-08-15 | 张志敏 | Calibrator for cage guide installation |
| CN202793297U (en) * | 2012-08-02 | 2013-03-13 | 北京通美晶体技术有限公司 | Sliding leveling ruler |
| CN104627780A (en) * | 2014-12-26 | 2015-05-20 | 日立电梯（中国）有限公司 | Method for installing guide rail in lift shaft |
| CN205537482U (en) * | 2016-03-08 | 2016-08-31 | 山西三江工程检测有限公司 | Digital display roughness survey chi |
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