CN205829565U - A kind of high security, climate adaptability photovoltaic combiner box - Google Patents
A kind of high security, climate adaptability photovoltaic combiner box Download PDFInfo
- Publication number
- CN205829565U CN205829565U CN201620546112.1U CN201620546112U CN205829565U CN 205829565 U CN205829565 U CN 205829565U CN 201620546112 U CN201620546112 U CN 201620546112U CN 205829565 U CN205829565 U CN 205829565U
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- CN
- China
- Prior art keywords
- casing
- photovoltaic combiner
- combiner box
- case lid
- box
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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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- Casings For Electric Apparatus (AREA)
Abstract
This utility model provides a kind of high security, climate adaptability photovoltaic combiner box; including casing and case lid; by combination can be sealed by pressure release opening and closing element between casing and case lid; it is provided with on casing and can breathe welding connector for wearing the pressure inside and outside cable, balance box and being emitted into outside described casing by the steam in casing; thus solve under home and stress problems under accident environment so that its safety and climate adaptability are greatly improved.In addition, by to shell, cable, the optimization of fuse and modular design, make photovoltaic combiner box of the present utility model have extra safety and practicality, substantially increase its safe class, be adaptable to more harsh natural environment and working environment.
Description
Technical field
This utility model belongs to field of solar thermal power generation, particularly to a kind of photovoltaic combiner box.
Background technology
Along with the day by day exhaustion of traditional energy, especially fossil energy, the development of human society is faced with energy crisis
Threat.Therefore, greatly developing new forms of energy, such as solar energy, wind energy, geothermal energy etc., have great importance.Solar energy conduct
A kind of inexhaustible, nexhaustible clean energy resource is increasingly paid attention to by country.In recent years, the light of solar electrical energy generation is utilized
Volt industry has obtained significant progress.
For photovoltaic generating system, in order to reduce the connecting line between photovoltaic module and inverter, maintain easily, need
Between photovoltaic module and inverter, to use photovoltaic array direct current collector-shoe gear, i.e. photovoltaic combiner box, thus by some
Photovoltaic battery array conflux into a road direct current output.
Existing photovoltaic combiner box mostly uses metal material as housing.On the one hand, metal cabinet is in carrying and construction
During easily cause permanent deformation because of extruding or collision, cause its safe class to reduce, be affected service life.Another
Aspect, metal cabinet easy conductive, when circuit goes wrong in case, it is easily caused fault spread；And when casing gross distortion
Time, it is likely under extreme case cause short circuit generation.
In existing photovoltaic combiner box between fuse arrangement closely, heat dispersion is poor, be easily caused molten seat overheated and burn
Ruin.Further, existing photovoltaic combiner box is in order to reach higher safe class, for sealing knot completely between casing and case lid
Close, to prevent the entrance of water vapour or dust.But due to the structure of this sealing, header box is when being heated (when being such as short-circuited)
Internal easily build pressure, consequently, it is possible to damage maintainer when opening；And (such as there's a sudden fall in temperature when catching a cold
Time), internal steam easily condenses and assembles, thus the electrical equipment within header box is caused damage, the most also can cause
The generation of short circuit.
Utility model content
Because the drawbacks described above of prior art, the purpose of this utility model is to provide a kind of high security, weather to fit
Answering property photovoltaic combiner box.
Photovoltaic combiner box of the present utility model includes casing and case lid, seals and combine between casing and case lid, and its feature exists
In, casing is provided with and can breathe welding connector for wearing cable, and can pressure inside and outside balance box by casing
Steam be emitted into outside casing.
The above-mentioned basic structure breathing welding connector is similar to conventional seals welding connector, but includes at least inside it
Article one, gas passage, the two ends of gas passage communicate with box house and outside respectively, gas passage is provided with can breathe every
Film, can breathe barrier film and be made up of waterproof ventilated membrane, and it allows the steam of box house to be emitted into outside casing, but can stop casing
Outside steam enters box house.Owing to barrier film can be breathed, there is breathability, therefore can be with the pressure inside and outside balance box；Again
Owing to barrier film can be breathed there is unidirectional water proofing property, therefore the steam in casing can be discharged, to prevent the steam in casing because of ring
Border temperature decrease and condensation accumulation, cause damage even to cause short circuit the electrical equipment of box house.Welding connector can be breathed
Safe class may be up to IP67, substantially increase safety and the climate adaptability of photovoltaic combiner box of the present utility model.
Except using above-mentioned welding connector of breathing to come the pressure inside and outside balance box, photovoltaic combiner box of the present utility model
Also use and can improve its safety further by pressure release opening and closing element.Lock can be similar to, when it is positioned at locking bit by pressure release opening and closing element
When putting, it blocks the lockhole at casing edge, and between casing and case lid, sealing combines inseparable；When it is positioned at unlocked position,
It has rotated certain angle (such as 90 degree) thus no longer to block the lockhole at casing edge, casing and case lid separable.Can let out
Being arranged with spring on pressure opening and closing element, the two ends of spring withstand in the opening and closing element installing hole of case lid and casing respectively.Electricity in casing
Higher temperature and pressure can be produced when gas equipment burns out, by the effect of spring deformation so that described case lid by jack-up from
And and between casing, produce gap, and then the pressure of box house is discharged, it is to avoid the danger that maintainer is impacted.Can
Pressure release opening and closing element is arranged in the installing hole on case lid, and mounting hole site is on four angles of case lid and the interposition of each of the edges
Put, and corresponding with the position of lockhole on casing.Can the mode of unblanking of pressure release opening and closing element end cap can be set the most flexibly and
Realizing, the instrument that such as can be arranged through by end cap is opened, such as straight screwdriver or triangular key；End cap can also be set
It is set to knob form, it is not necessary to instrument the most manually rotates and can realize opening.
For strengthening the safety of header box of the present utility model further, metal do not selected by the material of casing, but selects
Anti-ultraviolet Merlon, it has certain elastic and toughness, can be restored to the original state by after external force deformation, will not change case
The safe class of body and service life, the safe class of casing may be up to IP65, is 25 years service life.Merlon
Casing is fire-retardant and all insulation, safe and reliable, belongs to the protection of II class, will not be got an electric shock by the shell of casing, it also avoid extreme feelings
The short circuit caused by housings conductive under condition.
The fuse of its inside is also improved by header box of the present utility model.In general header box, it melts
Between disconnected device, closely, thermal diffusivity is poor in arrangement, is easily caused molten seat overheated and burn and bring disaster to other molten seats.And this utility model
Header box fuse between for being spaced, thermal diffusivity is good, it is not easy to occurs molten seat overheated and burns, though there occurs right
The impact of other molten seats is the least, thus improves safety and extend service life.
Additionally, header box of the present utility model can also use combination type to design, embody modular thinking, not only make
Use the most flexible, improve safety the most to a certain extent and provide cost savings.It is understood that in header box
Electrical equipment is the most modular, and different modules completes different functions, and its importance is also not quite similar.Therefore, this reality
Fabricated structure can be used with novel header box, one big header box of script is become the group of several little header boxs
Close, each header box can be placed different modules.This have the advantage that so that header box of the present utility model can be according to
The size of electrical equipment carries out flexible combination, uses the most flexible.Additionally, use the knockdown casing can also be to a certain degree
On avoid the extension of accident, thus further increase the safety of header box of the present utility model.
Having the beneficial effects that of photovoltaic combiner box of the present utility model, can breathe welding connector by using and can pressure release open
Closing member solve respectively in normal circumstances with the stress problems under accident environment so that its safety and climate adaptability are significantly
Improve.Additionally, by shell, cable, the optimization of fuse and modular design so that photovoltaic of the present utility model converges
Stream case has extra safety and practicality, substantially increases its safe class, is adaptable to more harsh natural environment
And working environment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a preferred embodiment of photovoltaic combiner box of the present utility model；
Fig. 2 is the schematic diagram of the welding connector breathed of a preferred embodiment of photovoltaic combiner box of the present utility model；
Fig. 3 be a preferred embodiment of photovoltaic combiner box of the present utility model can the schematic diagram of pressure release opening and closing element.
Detailed description of the invention
Below by the mode of preferred embodiment and accompanying drawing that combines to illustrate photovoltaic combiner box of the present utility model
Structure.
As it is shown in figure 1, in a preferred embodiment, photovoltaic combiner box of the present utility model has the case of combination type design
Body 1,7, it uses anti-ultraviolet makrolon material.Casing 1,7 inner containment multiple electrical equipment and functional module, example
Such as detection module 2, communication module 3, fuse 4, switch 8, spark gap 9 etc..Wherein, for being spaced between multiple fuses 4,
Thermal diffusivity is good, it is not easy to occurring molten seat overheated and burns, even if there occurs that the impact on other molten seats is the least, thus improve
Safety also extends service life.
Being provided with on casing 1,7 and can breathe welding connector 6 for wearing cable 13, it has and conventional seals welding connector
Similar structure, it is possible to by cable 13 through casing 1,7 on the premise of ensureing sealing.But, of the present utility model exhale
Inhale welding connector 6 except being capable of the above-mentioned function identical with conventional seals welding connector, additionally it is possible to realize balance box 1,7
Steam in casing 1,7 is also emitted into the function outside casing 1,7 by inside and outside pressure.Welding connector 6 structure such as Fig. 2 institute can be breathed
Show, inside it, include at least one gas passage 5, the two ends of gas passage 5 are inside and outside with casing 1,7 respectively to be communicated (as
Arrow instruction in Fig. 2), gas passage 5 is provided with and can breathe barrier film 12, barrier film 12 can be breathed by business-like waterproof ventilated membrane
Making, it is outside that it allows the steam within casing 1,7 to be emitted into casing 1,7, but the steam outside casing 1,7 can be stoped to enter case
Body 1,7 is internal.Owing to barrier film 12 can be breathed, there is breathability, therefore can be with the pressure inside and outside balance box 1,7；Again owing to exhaling
Inhale barrier film 12 and there is unidirectional water proofing property, therefore the steam in casing 1,7 can be discharged, to prevent the steam in casing 1,7 because of ring
Border temperature decrease and condensation accumulation, cause damage even to cause short circuit to the electrical equipment within casing 1,7.Cable clip can be breathed
The safe class of 6 may be up to IP67, substantially increases safety and the climate adaptability of photovoltaic combiner box of the present utility model.
Except using above-mentioned welding connector 6 of breathing to carry out the pressure inside and outside balance box 1,7, photovoltaic of the present utility model converges
Stream case also uses and can improve its safety further by pressure release opening and closing element 14.Can pressure release opening and closing element 14 structure as it is shown on figure 3,
It is functionally similar to lock, and when it is positioned at latched position, casing projection 16 blocks the lockhole 11 at casing 1,7 edge, casing 1,7 and
Between case lid (not shown), sealing combines inseparable；When it is positioned at unlocked position, casing projection 16 have rotated certain angle
Spending (such as 90 degree) thus no longer block the lockhole 11 at casing 1,7 edge, casing 1,7 and case lid are separable.Can pressure release opening and closing element
Being arranged with spring 17 on 14, the two ends of spring 17 withstand on casing 1,7 and case lid respectively.Electrical equipment in casing 1,7 burns out
Time can produce higher temperature and pressure, by the effect of spring 17 so that described case lid by jack-up thus with casing 1,7
Between produce gap, and then by casing 1,7 within pressure release, it is to avoid the danger that maintainer is impacted.Can pressure release
In the installing hole (not shown) that opening and closing element 14 is arranged on case lid, mounting hole site is on four angles of case lid and in each of the edges
Between position, and corresponding with the position of lockhole 11 on casing 1,7, installing hole can be stuck in by case lid projection 15 by pressure release opening and closing element 14
In, thus be difficult to come off from installing hole.The mode of unblanking of pressure release opening and closing element 14 end cap 18 can be set according to demand and realize,
End cap 18 such as can be arranged through straight screwdriver or triangular key is opened；End cap 18 can also be arranged to knob-shaped
Formula, the most manually rotates and can realize opening.
Preferred embodiment of the present utility model described in detail above.Should be appreciated that the ordinary skill of this area without
Need creative work just can make many modifications and variations according to design of the present utility model.Therefore, all in the art
Technical staff on the basis of existing technology can by logical analysis, reasoning or limited test according to design of the present utility model
With the technical scheme obtained, all should be in the protection domain being defined in the patent claims.
Claims (8)
1. a photovoltaic combiner box, including casing and case lid, seals between described casing and described case lid and combines, and its feature exists
In, described casing being provided with and can breathe welding connector for wearing cable, described welding connector of breathing can balance described
Steam in described casing is also emitted into outside described casing by pressure inside and outside casing, and described welding connector of breathing includes at least
Article one, gas passage, the two ends of described gas passage communicate with the inside and outside of described casing respectively, on described gas passage
Being provided with and can breathe barrier film, described barrier film of breathing is made up of waterproof ventilated membrane；Sealing between described casing and described case lid
In conjunction with by realizing by pressure release opening and closing element, described can be arranged with spring on pressure release opening and closing element, the two ends of described spring are pushed up respectively
On described casing and described case lid, when the temperature and pressure in described casing raises, the deformation of described spring makes described
Case lid is by jack-up thus and produces gap between described casing.
2. photovoltaic combiner box as claimed in claim 1, wherein said can be arranged on the installation on described case lid by pressure release opening and closing element
Kong Zhong, described mounting hole site is in four angles of described case lid and the centre position of each of the edges.
3. photovoltaic combiner box as claimed in claim 1, wherein said can be opened by instrument by pressure release opening and closing element.
4. photovoltaic combiner box as claimed in claim 3, wherein said instrument is straight screwdriver or triangular key.
5. photovoltaic combiner box as claimed in claim 1, wherein said can be opened by knob by pressure release opening and closing element.
6. photovoltaic combiner box as claimed in claim 1, the material of wherein said casing is anti-ultraviolet Merlon.
7. photovoltaic combiner box as claimed in claim 1, is spaced between the fuse of wherein said box house.
8. photovoltaic combiner box as claimed in claim 1, wherein said casing is fabricated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546112.1U CN205829565U (en) | 2016-06-03 | 2016-06-03 | A kind of high security, climate adaptability photovoltaic combiner box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546112.1U CN205829565U (en) | 2016-06-03 | 2016-06-03 | A kind of high security, climate adaptability photovoltaic combiner box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205829565U true CN205829565U (en) | 2016-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620546112.1U Active CN205829565U (en) | 2016-06-03 | 2016-06-03 | A kind of high security, climate adaptability photovoltaic combiner box |
Country Status (1)
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| CN (1) | CN205829565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116075968A (en) * | 2021-08-30 | 2023-05-05 | 宁德时代新能源科技股份有限公司 | Battery, power utilization device and method and device for preparing battery |
-
2016
- 2016-06-03 CN CN201620546112.1U patent/CN205829565U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116075968A (en) * | 2021-08-30 | 2023-05-05 | 宁德时代新能源科技股份有限公司 | Battery, power utilization device and method and device for preparing battery |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |