CN208539851U - Device for testing environmental pressure of photovoltaic intelligent junction box - Google Patents
Device for testing environmental pressure of photovoltaic intelligent junction box Download PDFInfo
- Publication number
- CN208539851U CN208539851U CN201821120357.3U CN201821120357U CN208539851U CN 208539851 U CN208539851 U CN 208539851U CN 201821120357 U CN201821120357 U CN 201821120357U CN 208539851 U CN208539851 U CN 208539851U
- Authority
- CN
- China
- Prior art keywords
- box body
- box
- busbar
- test
- environmental pressure
- 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.)
- Withdrawn - After Issue
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 230000007613 environmental effect Effects 0.000 title claims description 21
- 238000009413 insulation Methods 0.000 claims abstract description 31
- 238000000605 extraction Methods 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 238000005476 soldering Methods 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 238000003475 lamination Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The utility model discloses a device for photovoltaic intelligent junction box ambient pressure test, including lamination piece and conductive box, lamination piece includes backplate, first EVA layer, second EVA layer and front bezel from top to bottom in proper order, wear to be equipped with many busbar between first EVA layer and the second EVA layer, the both ends of busbar pass first EVA layer and backplate respectively, the both ends of busbar are input and output respectively, the output of busbar is connected with the input circuit of junction box; the conductive box includes: the testing device comprises an insulation box body fixed on the back plate, a conductive piece fixed in the insulation box body, and a lead-out wire which is electrically connected with the conductive piece and penetrates through the insulation box body to be electrically connected with an external testing instrument; the input end of the bus bar penetrates into the insulating box body and is electrically connected with the conductive piece. The utility model discloses can realize the control to the whole input voltage of junction box, can ensure security, reliability and the practicality of testing process again.
Description
Technical field
The utility model belongs to photovoltaic technology field, and in particular to one kind is tested for photovoltaic intelligent junction box environmental pressure
Device.
Background technique
With the aging year by year of the photovoltaic system for rising year by year and installing in early days of global photovoltaic installation amount, photovoltaic array
Fire incident happen occasionally, rapidly switch off function and be increasingly becoming important safety requirements.For this purpose, America & Canada is directed to light
Volt rapidly switches off equipment and system has formulated testing standard, different from traditional safety standard, due to being related to fire-fighting and maintenance
The personal safety of personnel, testing standard require to carry out the security evaluation of a large amount of functions, for example including to rapidly switching off the resistance to of equipment
The environmental pressures test item such as wet jelly cyclic test and temperature cycling test.
It is different from conventional environmental pressure test, experiment overall process in new standard to rapidly switch off equipment required it is defeated
Enter voltage, and define specific time and the numerical value of voltage change, this is the test of the terminal box with Quick shut-off device
It is added to difficulty.During traditional terminal box environmental pressure test, measured object is the laminate for being equipped with tested terminal box,
Such as the patent document of Publication No. CN105489682A discloses a kind of photovoltaic laminate and preparation method thereof, terminal box
Input terminal is introduced into the two-fold EVA layer of laminate by busbar and is no longer drawn after welding of battery film.The program does not simply fail to
The input voltage of terminal box is controlled, and unwanted battery in the environmental pressure test process of intelligent wiring box can not be saved
Piece.In addition, the patent document of such as Publication No. CN104681669B discloses a kind of preparation method of photoelectric conversion laminate
And its electric performance test method, busbar are exposed by the edge of laminate to carry out conventional electric performance test.So
And in the environmental pressure test process of terminal box, the environment of high humidity will be generated in environment testing case, exposed busbar will produce
The danger of gas medium in raw breakdown test box.Therefore, a kind of input voltage not only having can control terminal box, but also can guarantee that moisture-proof freezes
The device of the environmental pressures such as circulation, temperature cycles test process safety is necessary, to ensure the safety, reliable of test process
Property and practicability.
Utility model content
To solve the above-mentioned problems, the utility model provide it is a kind of for photovoltaic intelligent junction box environmental pressure test
Device, had not only been able to achieve the control of butted line box entirety input voltage, but also can guarantee environmental pressure test process safety.
The technical solution of the utility model are as follows: a kind of device for the test of photovoltaic intelligent junction box environmental pressure, including
Laminate and conductive box, the laminate successively include backboard, the first EVA layer, the second EVA layer and foreboard, institute from top to bottom
It states and is equipped with more busbars between the first EVA layer and the second EVA layer, the both ends of the busbar are each passed through the first EVA layer
And backboard, the both ends of the busbar are respectively input terminal and output end, the output end of the busbar and the input of terminal box
Terminal circuit connection；The conductive box includes:
The insulation box body being fixed on the backboard,
It is fixed on the intracorporal conduct piece of the insulation booth,
The extraction wire that insulation box body is electrically connected with external testing instrument is electrically connected and passed through with conduct piece；
The input terminal of the busbar penetrates the insulation tray interior and is electrically connected with conduct piece.
The output end of busbar is connected to the inlet circuit of terminal box in the utility model, and the other end of busbar is vertical
After the backboard and the first EVA layer of laminate, extends horizontally at conductive box, lead between the first EVA layer and the second EVA layer
Busbar at electric box passes perpendicularly through first layer EVA and backboard, and welds with conduct piece in conductive box, realizes to be measured connect with whole
The input terminal of wire box internal wiring plate and the conducting of corresponding conductive box, finally connecting extraction wire and external testing instrument can be into
Row test.
In the utility model there are many structure types of conduct piece, preferably, the conduct piece is metallic conduction piece, institute
The input terminal for stating metallic conduction piece and busbar passes through welded connecting.
Preferably, the metallic conduction on piece offers soldering opening.
Preferably, the insulation box body bottom is provided with positioning convex column, the metallic conduction on piece is provided with and positions
The location hole that pillar matches.
Preferably, finite place piece is arranged on the side wall of the insulation box body, the edge of the metallic conduction piece is embedded in institute
It states locating part and insulate in the region that box body bottom surrounds.
Preferably, offering the wire guide being pierced by for extraction wire, the wire guide on the side wall of the insulation box body
Place is provided with the insulated conductor aperture frame for fixing wire guide.
Preferably, the insulation box body and insulated conductor aperture frame are made of plastics.
Preferably, being fixed between insulation box body and the backboard by silica gel adhesion.
Preferably, the insulation box body bottom offers multiple connecting holes for being used to fill casting glue.
Conductive box is lain in laminate backboard at busbar extraction, busbar is passed through into conductive box plastic insulation shell
Bottom after, welded after the soldering opening of metallic conduction piece with metallic conduction piece, after coating silica gel along conductive box bottom margin
Conductive box is pasted on backboard, the utility model can cover the box cover of conductive box and complete to casting glue is poured into inside conductive box
At installation.
Compared with prior art, the beneficial effects of the utility model are embodied in:
Busbar is located in terminal box to be measured and conductive box or in laminate between two layers of EVA in the utility model, therefore can
To ensure that the wet conductive security frozen under test environment, the utility model be both able to achieve the control of butted line box entirety input voltage,
Production and the testing process of the test device can be simplified, again to ensure safety, reliability and the practicability of test process.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of conductive box in the utility model.
Fig. 2 is the structural schematic diagram of the first embodiment in the utility model.
Fig. 3 is that the first embodiment is cutd open to structural schematic diagram in the utility model.
Fig. 4 is the structural schematic diagram of second of embodiment in the utility model.
Fig. 5 is that second embodiment is cutd open to structural schematic diagram in the utility model.
Specific embodiment
As shown in fig. 1~fig. 5, the utility model includes laminate 1 and conductive box 2, and laminate 1 successively includes from top to bottom
Backboard 11, the first EVA layer 12, the second EVA layer 13 and foreboard 14, are equipped with more between the first EVA layer 12 and the second EVA layer 13
Root busbar 15, the both ends of busbar 15 are each passed through the first EVA layer 12 and backboard 11, and the both ends of busbar 15 are respectively to input
End and output end, the output end of busbar 15 are connected to the inlet circuit of terminal box 3；Conductive box 2 includes:
The insulation box body 21 being fixed on backboard 11,
The conduct piece 22 being fixed in insulation box body 21,
The extraction wire 23 that insulation box body 21 is electrically connected with external testing instrument is electrically connected and passed through with conduct piece 22；
The input terminal of busbar 15 penetrates 21 inside of insulation box body and is electrically connected with conduct piece 22.
As shown in Figure 1, offering the wire guide being pierced by for extraction wire 23 on the side wall for the box body 21 that insulate in the present embodiment
213, the insulated conductor aperture frame 24 for fixing wire guide 213 is provided at wire guide 213.Insulation 21 He of box body in the present embodiment
Insulated conductor aperture frame 24 is made of plastics.Insulation 21 bottom of box body offers multiple connecting holes for being used to fill casting glue, absolutely
It can be fixed by silica gel adhesion between edge box body 21 and backboard 11.
In the utility model there are many structure types of conduct piece 22, such as shown in Figure 1, conduct piece 22 in the present embodiment
For metallic conduction piece, the input terminal of metallic conduction piece and busbar 15 passes through welded connecting.Metallic conduction on piece offers welding
Mouth 221.Wherein the mounting means of metallic conduction piece also there are many, insulation 21 bottom of box body be provided with positioning convex column 211, metal is led
Electric on piece is provided with the location hole matched with positioning convex column 211.Finite place piece 212 is set on the side wall of insulation box body 21,
In the region that the edge insertion locating part 212 of metallic conduction piece and insulation 21 bottom of box body surround.
Conductive box 2 is lain in the backboard 11 of laminate 1 at 15 extraction of busbar, busbar 15 is passed through into insulation box body
It behind 21 bottom, welds after the soldering opening of metallic conduction piece with metallic conduction piece, is coated along insulation 21 bottom margin of box body
Conductive box is pasted on backboard 11 after silica gel, the utility model can cover conductive box 2 to casting glue is poured into inside conductive box 2
Box cover and complete to install.
The output end of busbar 15 is connected to the inlet circuit of terminal box 3 in the utility model, busbar 15 it is another
After end passes perpendicularly through the backboard 11 and the first EVA layer 12 of laminate 1, level is prolonged between the first EVA layer 12 and the second EVA layer 13
Extend at conductive box 2, the busbar 15 at conductive box 2 passes perpendicularly through first layer EVA and backboard 11, and with it is conductive in conductive box 2
Part 22 welds, and with the whole input terminal for realizing 3 internal wiring plate of terminal box to be measured and the conducting of corresponding conductive box 2, will finally draw
Conducting wire 23 can be tested with the connection of external testing instrument.
The quantity of conductive box can be set multiple in the utility model, such as shown in Fig. 2, conductive in this kind of embodiment
Box 2 is four.As shown in figure 4, conductive box 2 is two in this kind of embodiment, there are four the differences of conductive box only to exist with tool
In: it is drawn after by there are four most positive and most cathode the input terminal of the terminal box to be measured of input terminal and busbar welding.This reality
It applies in example, two of terminal box 3 most positive and most negative inputs is drawn by busbar and conductive box, be both able to achieve docking
The control of the whole input voltage of wire box 3, and the production and process of the test device can be simplified.
Claims (9)
1. a kind of device for the test of photovoltaic intelligent junction box environmental pressure, which is characterized in that including laminate and conductive box,
The laminate successively includes backboard, the first EVA layer, the second EVA layer and foreboard, first EVA layer and the from top to bottom
More busbars are equipped between two EVA layers, the both ends of the busbar are each passed through the first EVA layer and backboard, the confluence
The both ends of item are respectively input terminal and output end, and the output end of the busbar is connected to the inlet circuit of terminal box；It is described
Conductive box includes:
The insulation box body being fixed on the backboard,
It is fixed on the intracorporal conduct piece of the insulation booth,
The extraction wire that insulation box body is electrically connected with external testing instrument is electrically connected and passed through with conduct piece；
The input terminal of the busbar penetrates the insulation tray interior and is electrically connected with conduct piece.
2. the device for the test of photovoltaic intelligent junction box environmental pressure as described in claim 1, which is characterized in that described to lead
Electric part is metallic conduction piece, and the input terminal of the metallic conduction piece and busbar passes through welded connecting.
3. the device for the test of photovoltaic intelligent junction box environmental pressure as claimed in claim 2, which is characterized in that the gold
Belong to and offers soldering opening on conductive sheet.
4. the device for the test of photovoltaic intelligent junction box environmental pressure as claimed in claim 2, which is characterized in that described exhausted
Edge box body bottom is provided with positioning convex column, and the metallic conduction on piece is provided with the location hole matched with positioning convex column.
5. the device for the test of photovoltaic intelligent junction box environmental pressure as described in claim 2~4 is any, feature exist
In being arranged finite place piece on the side wall of the insulation box body, the edge of the metallic conduction piece is embedded in the locating part and insulation
In the region that box body bottom surrounds.
6. the device for the test of photovoltaic intelligent junction box environmental pressure as described in claim 1, which is characterized in that described exhausted
The wire guide being pierced by for extraction wire is offered on the side wall of edge box body, is provided at the wire guide for fixing wire guide
Insulated conductor aperture frame.
7. the device for the test of photovoltaic intelligent junction box environmental pressure as claimed in claim 6, which is characterized in that described exhausted
Edge box body and insulated conductor aperture frame are made of plastics.
8. the device for the test of photovoltaic intelligent junction box environmental pressure as described in claim 1, which is characterized in that described exhausted
It is fixed between edge box body and backboard by silica gel adhesion.
9. the device for the test of photovoltaic intelligent junction box environmental pressure as claimed in claim 8, which is characterized in that described exhausted
Edge box body bottom offers multiple for filling the connecting hole of casting glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821120357.3U CN208539851U (en) | 2018-07-13 | 2018-07-13 | Device for testing environmental pressure of photovoltaic intelligent junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821120357.3U CN208539851U (en) | 2018-07-13 | 2018-07-13 | Device for testing environmental pressure of photovoltaic intelligent junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208539851U true CN208539851U (en) | 2019-02-22 |
Family
ID=65388324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821120357.3U Withdrawn - After Issue CN208539851U (en) | 2018-07-13 | 2018-07-13 | Device for testing environmental pressure of photovoltaic intelligent junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208539851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551326A (en) * | 2018-07-13 | 2018-09-18 | 天合光能股份有限公司 | Device for testing environmental pressure of photovoltaic intelligent junction box |
-
2018
- 2018-07-13 CN CN201821120357.3U patent/CN208539851U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551326A (en) * | 2018-07-13 | 2018-09-18 | 天合光能股份有限公司 | Device for testing environmental pressure of photovoltaic intelligent junction box |
| CN108551326B (en) * | 2018-07-13 | 2024-02-02 | 天合光能股份有限公司 | Device for testing environmental pressure of photovoltaic intelligent junction box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190222 Effective date of abandoning: 20240202 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190222 Effective date of abandoning: 20240202 |