CN220271378U - IV detection mechanism and detection device of photovoltaic cell panel - Google Patents
IV detection mechanism and detection device of photovoltaic cell panel Download PDFInfo
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- CN220271378U CN220271378U CN202321437277.1U CN202321437277U CN220271378U CN 220271378 U CN220271378 U CN 220271378U CN 202321437277 U CN202321437277 U CN 202321437277U CN 220271378 U CN220271378 U CN 220271378U
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- detection mechanism
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- 238000001514 detection method Methods 0.000 title claims abstract description 82
- 239000000523 sample Substances 0.000 claims abstract description 63
- 229910052751 metal Inorganic materials 0.000 claims abstract description 53
- 239000002184 metal Substances 0.000 claims abstract description 53
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 210000005069 ears Anatomy 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses an IV detection mechanism of a photovoltaic cell panel, which comprises a substrate, wherein a first detection component and a second detection component are arranged on the substrate, and the two detection components are respectively used for detecting current and voltage; the first detection component is a metal strip; the second detection component is an elastic probe and comprises a needle seat and a needle body; the number of the elastic probes is a plurality; a through hole is formed in the metal strip, the elastic probe penetrates through the through hole, and the elastic probe is not contacted with the metal strip; when the elastic probe is not subjected to external force, the detection end of the needle body is in a convex state relative to the detection edge of the metal strip. The utility model can detect current and voltage simultaneously by adopting one detection mechanism, and the elastic probe penetrates through the metal strip, so that the installation space can be greatly saved. In addition, the use of a metal strip as one of the detection members can reduce the number of use of the elastic probes, and the metal strip is much lower in cost and longer in life than the elastic probes, so that the use cost can be greatly reduced.
Description
Technical Field
The utility model relates to the technical field of detection of photovoltaic cell panels, in particular to an IV detection mechanism and an IV detection device of a photovoltaic cell panel.
Background
In the manufacturing production of photovoltaic cell panels, IV detection is an important link, and the photovoltaic cell panels need to be detected by a detection device. Patent CN215773046U discloses a common probe row structure, which includes a plurality of probes arranged in an array, and when IV detection is performed, two such probe rows are generally required, one for detecting current and one for detecting voltage, which requires a large installation space, and the number of the required probes is also large, and the probes are expensive consumables, which have a limited service life and require regular replacement, which requires high use cost.
Disclosure of Invention
The utility model aims to: in order to overcome the defects in the prior art, the utility model provides the IV detection mechanism and the detection device of the photovoltaic cell panel, which have compact structure, can detect current and voltage at the same time and have low use cost.
The technical scheme is as follows: in order to achieve the above purpose, the IV detection mechanism of the photovoltaic cell panel comprises a substrate, wherein the substrate is made of an insulating material such as an acrylic plate; the substrate is provided with a first detection component and a second detection component, and the two detection components are respectively used for detecting current and voltage; the first detection component is a metal strip; the second detection component is an elastic probe and comprises a needle seat and a needle body, and a spring is arranged between the needle seat and the needle body, so that the needle seat and the needle body can elastically stretch; the number of the elastic probes is multiple, and all the elastic probes are connected in series;
a through hole is formed in the metal strip, the elastic probe penetrates through the through hole, the elastic probe is not contacted with the metal strip, and an air gap or an insulating part is arranged between the elastic probe and the inner wall of the through hole; when the elastic probe is not subjected to external force, the detection end of the needle body is in a convex state relative to the detection edge of the metal strip.
By adopting the structure, in the IV detection process, the substrate moves towards the detected photovoltaic cell panel, in the approach process, the needle body of the elastic probe is contacted with the grid line of the photovoltaic cell panel, and the needle body is retracted along with the substrate continuing to approach the photovoltaic cell panel until the metal strip is contacted with the grid line. The control unit connected with the elastic probe and the metal strip can conduct IV detection according to the collected electric signals, and whether the current and the voltage of the photovoltaic cell panel meet the conditions or not is judged.
In the structure, the current and voltage detection can be simultaneously carried out by adopting one detection mechanism, and the elastic probe penetrates through the metal strip, so that the installation space can be greatly saved, the structure is high in compactness, and the miniaturization of detection equipment is facilitated. In addition, the use of a metal strip as one of the detection members can reduce the number of use of the elastic probes, and the metal strip is much lower in cost and longer in life than the elastic probes, so that the use cost can be greatly reduced.
Further, the maximum thickness of the metal strip is equal to the maximum thickness of the substrate; the metal strip is provided with a first thinning part, the substrate is provided with a second thinning part, the first thinning part and the second thinning part are fixedly arranged, and the total thickness of the first thinning part and the second thinning part is equal to the maximum thickness of the substrate. Therefore, the connection between the metal strip and the substrate is reliable while the compactness of the whole structure of the detection mechanism is ensured.
Further, the substrate has a hole therein through which the elastic probe passes.
Further, the substrate is provided with a first notch at a position corresponding to each elastic probe; the metal strip is provided with a second notch at a position corresponding to each elastic probe. Through the structure, through all setting up the notch on base plate and metal strip, can make both fixed back, the detection edge of metal strip still has certain elastic deformation ability, so the metal strip can all contact with every grid line on the photovoltaic cell board that is detected.
Further, the first thinning part and the second thinning part are fixedly connected through a row of screws.
Further, the metal strip is made of aluminum alloy.
Further, two symmetrically installed mounting lugs are arranged at two ends of the base plate; the mounting lugs are provided with mounting holes.
Further, the mounting lugs are arranged in a deviated manner relative to the main body part of the base plate, so that the base plate is of a U-shaped structure; the tail of the elastic probe does not exceed the back side edge of the mounting ear. Therefore, the device can be conveniently installed, and the tail part of the elastic probe cannot interfere with other structures after the device is installed.
The IV detection device for the photovoltaic cell panel comprises the IV detection mechanism, a moving module and a positioning jig, wherein the positioning jig can position the detected photovoltaic cell panel; the moving module can enable the IV detection mechanism to be relatively close to or far away from the positioning jig.
The beneficial effects are that: according to the IV detection mechanism and the detection device for the photovoltaic cell panel, the current and the voltage can be detected simultaneously by adopting one detection mechanism, and the elastic probe penetrates through the metal strip, so that the installation space can be greatly saved, the structure is high in compactness, and the miniaturization of detection equipment is facilitated. In addition, the use of a metal strip as one of the detection members can reduce the number of use of the elastic probes, and the metal strip is much lower in cost and longer in life than the elastic probes, so that the use cost can be greatly reduced.
Drawings
Fig. 1 is a perspective view of an IV detection mechanism of a photovoltaic panel;
FIG. 2 is an enlarged view of the portion A of FIG. 1;
FIG. 3 is a cross-sectional block diagram of an IV detection mechanism for a photovoltaic cell;
fig. 4 is a split structural diagram of an IV detection mechanism of a photovoltaic cell;
fig. 5 is a structural diagram of an IV detection device for a photovoltaic cell.
In the figure: 1-a substrate; 11-a second thinning portion; 12-mounting ears; 13-mounting holes; 14-a main body; 15-a first notch; 2-metal strips; 2 a-detecting edges; 21-a through hole; 22-a first thinning portion; 23-a second notch; 3-elastic probes; 3 a-a probe end; 31-a needle stand; 32-a needle body; 4-screws; 5-moving the module; 6-positioning jig.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
The IV detection mechanism of the photovoltaic cell panel shown in FIG. 1 comprises a substrate 1 which is made of an insulating material such as an acrylic plate; a first detecting member and a second detecting member are mounted on the substrate 1, and the two detecting members are respectively used for detecting current and voltage; the first detection component is a metal strip 2, and the metal strip 2 is made of aluminum alloy; the second detecting member is an elastic probe 3, and comprises a needle seat 31 and a needle body 32, the needle seat 31 is fixed relative to the base plate 1, and a spring is arranged between the needle seat 31 and the needle body 32, so that the needle seat 31 and the needle body can elastically stretch; the number of the elastic probes 3 is plural, and all the elastic probes 3 are connected in series.
As shown in fig. 2, a through hole 21 is formed in the metal strip 2, the elastic probe 3 passes through the through hole 21, the elastic probe 3 is not in contact with the metal strip 2, an air gap is formed between the elastic probe 3 and the inner wall of the through hole 21 or an insulating member is arranged between the elastic probe 3 and the inner wall of the through hole 21, and the elastic probe and the inner wall are separated by the air gap in the embodiment; when the elastic probe 3 is not subjected to external force, the detecting end 3a of the needle body 32 is in a convex state relative to the detecting edge 2a of the metal strip 2.
By adopting the structure, in the IV detection process, the substrate 1 moves towards the detected photovoltaic cell panel, in the approaching process, the needle body 32 of the elastic probe 3 is contacted with the grid line of the photovoltaic cell panel, and the needle body 32 is retracted along with the substrate 1 continuing to approach the photovoltaic cell panel until the metal strip 2 is contacted with the grid line. The control unit connected with the elastic probe 3 and the metal strip 2 can conduct IV detection according to the collected electric signals, and whether the current and the voltage of the photovoltaic cell panel meet the conditions or not is judged. The main innovation point of the application is the structure of the detection mechanism, and the specific method of IV detection by the control unit according to the collected electric signals is the prior art, and is not repeated here.
In the structure, the current and voltage detection can be simultaneously carried out by adopting one detection mechanism, and the elastic probe 3 passes through the metal strip 2, so that the installation space can be greatly saved, the structure compactness is high, and the miniaturization of detection equipment is facilitated. In addition, the use of the metal strip 2 as one of the detection members can reduce the number of use of the elastic probes 3, and the metal strip 2 is much lower in cost and longer in life than the elastic probes 3, so that the use cost can be greatly reduced.
Specifically, as shown in fig. 3, the maximum thickness of the metal strip 2 is equal to the maximum thickness of the substrate 1; the metal strip 2 has a first thinned portion 22, the substrate 1 has a second thinned portion 11, the first thinned portion 22 and the second thinned portion 11 are fixedly mounted, and the total thickness of the two is equal to the maximum thickness of the substrate 1. The substrate 1 has a hole therein through which the elastic probe 3 passes. The first thinning portion 22 is fixedly connected with the second thinning portion 11 through a row of screws 4. In this way, the connection between the metal strip 2 and the substrate 1 is reliable while the compactness of the whole structure of the detection mechanism is ensured.
Preferably, as shown in fig. 4, the substrate 1 has a first notch 15 at a position corresponding to each of the elastic probes 3; the metal strip 2 has a second recess 23 at a position corresponding to each of the elastic probes 3. Between each two first recesses 15 there is a screw 4. Through the structure, through all setting up the notch on base plate 1 and metal strip 2, can make both fixed back, detection edge 2a of metal strip 2 still has certain elastic deformation ability, so metal strip 2 can all contact with every grid line on the photovoltaic cell board that is detected.
Preferably, the two ends of the base plate 1 are provided with two symmetrically mounted mounting lugs 12; the mounting lugs 12 are provided with mounting holes 13. The mounting lugs 12 are arranged in a deviated manner relative to the main body part 14 of the base plate 1, so that the base plate 1 has a U-shaped structure; the tail of the elastic probe 3 does not exceed the back side edge of the mounting ear 12. Thus, the installation is convenient, and the tail part of the elastic probe 3 can not interfere with other structures after the installation.
The utility model also provides an IV detection device of the photovoltaic cell panel, as shown in fig. 5, which comprises the IV detection mechanism, a mobile module 5 and a positioning jig 6, wherein the positioning jig 6 can position the detected photovoltaic cell panel; the moving module 5 can enable the IV detection mechanism to be relatively close to or far away from the positioning jig 6.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (9)
1. An IV detection mechanism of a photovoltaic cell panel comprises a substrate (1), wherein a first detection component and a second detection component are arranged on the substrate (1), and the two detection components are respectively used for detecting current and voltage; characterized in that the first detecting member is a metal strip (2); the second detection component is an elastic probe (3) and comprises a needle seat (31) and a needle body (32); the number of the elastic probes (3) is a plurality;
a through hole (21) is formed in the metal strip (2), the elastic probe (3) passes through the through hole (21), and the elastic probe (3) is not contacted with the metal strip (2); when the elastic probe (3) is not subjected to external force, the detection end (3 a) of the needle body (32) is in a convex state relative to the detection edge (2 a) of the metal strip (2).
2. IV detection mechanism of a photovoltaic panel according to claim 1, characterized in that the maximum thickness of the metal strip (2) is equal to the maximum thickness of the substrate (1); the metal strip (2) is provided with a first thinning part (22), the substrate (1) is provided with a second thinning part (11), the first thinning part (22) and the second thinning part (11) are fixedly installed, and the total thickness of the two parts is equal to the maximum thickness of the substrate (1).
3. IV detection mechanism of a photovoltaic panel according to claim 2, characterized in that the substrate (1) has holes inside it for the elastic probes (3) to pass through.
4. IV detection mechanism of a photovoltaic panel according to claim 2, characterized in that the substrate (1) has a first recess (15) in a position corresponding to each of the elastic probes (3); the metal strip (2) has a second recess (23) at a position corresponding to each of the elastic probes (3).
5. IV detection mechanism of a photovoltaic cell panel according to claim 2, characterized in that the first thinned portion (22) and the second thinned portion (11) are fixedly connected by a row of screws (4).
6. IV detection mechanism for photovoltaic panels according to claim 1, characterized in that the metal strip (2) is made of an aluminium alloy.
7. IV detection mechanism of a photovoltaic panel according to claim 1, characterized in that the two ends of the base plate (1) have two symmetrically mounted mounting ears (12); the mounting lugs (12) are provided with mounting holes (13).
8. IV detection mechanism of a photovoltaic panel according to claim 7, characterized in that the mounting ears (12) are offset with respect to the main body portion (14) of the base plate (1) such that the base plate (1) is of a U-shaped structure; the tail of the elastic probe (3) does not exceed the back side edge of the mounting lug (12).
9. An IV detection apparatus for a photovoltaic cell panel, which is characterized by comprising the IV detection mechanism according to any one of claims 1 to 8, a mobile module (5) and a positioning jig (6), wherein the positioning jig (6) can position the detected photovoltaic cell panel; the moving module (5) can enable the IV detection mechanism to be relatively close to or far away from the positioning jig (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321437277.1U CN220271378U (en) | 2023-06-07 | 2023-06-07 | IV detection mechanism and detection device of photovoltaic cell panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321437277.1U CN220271378U (en) | 2023-06-07 | 2023-06-07 | IV detection mechanism and detection device of photovoltaic cell panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220271378U true CN220271378U (en) | 2023-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321437277.1U Active CN220271378U (en) | 2023-06-07 | 2023-06-07 | IV detection mechanism and detection device of photovoltaic cell panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220271378U (en) |
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2023
- 2023-06-07 CN CN202321437277.1U patent/CN220271378U/en active Active
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