CN110808710A - Photovoltaic conflux case device - Google Patents
Photovoltaic conflux case device Download PDFInfo
- Publication number
- CN110808710A CN110808710A CN201911282531.3A CN201911282531A CN110808710A CN 110808710 A CN110808710 A CN 110808710A CN 201911282531 A CN201911282531 A CN 201911282531A CN 110808710 A CN110808710 A CN 110808710A
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- China
- Prior art keywords
- box
- photovoltaic
- cable
- fixed
- hole
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- 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
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- 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
- 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
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a photovoltaic conflux case device, which is characterized by comprising: a box body and a protective cover; the box is fixed on the stand, and the lower surface of box is provided with the bottom plate, subaerial be provided with box matched with hand hole well, is linked together through the safety cover between hand hole well and the box lower surface, and the bottom plate is located the inside of safety cover, and the cable assembly passes through the safety cover and enters into the inside to the box, and the middle part is fixed on the bottom plate. The device overcomes the defects that when the confluence box in the prior art is installed on the ground, the incoming and outgoing cables need to be directly buried by penetrating the protection pipe, on one hand, the confluence box is in an exposed state, the service life of the protection pipe is influenced after the protection pipe is exposed to the sun, and meanwhile, the protection pipe cannot completely prevent the cables in the pipe from being corroded by rainwater; on the other hand photovoltaic conflux case belongs to the place that the cable was concentrated and is laid, and the cable is more, and the field installation accomplishes the quantity of back protection tube more, has seriously wasted the problem in space.
Description
Technical Field
The invention relates to the field of cable laying devices, in particular to a photovoltaic combiner box device.
Background
In the design and construction of a traditional distributed photovoltaic power generation project, when a combiner box is installed on the ground, the cables of the incoming and outgoing lines of the combiner box need to be laid in a mode of penetrating through a protection pipe and being directly buried, on one hand, the combiner box is characterized in that the protection pipe is in an exposed state, the service life of the protection pipe is influenced after the combiner box is blown and exposed by the sun, and meanwhile, the protection pipe cannot completely prevent the cables in the pipe from being corroded by rainwater; on the other hand photovoltaic conflux case belongs to the place that the cable was concentrated and is laid, and the cable is more, and the field installation is accomplished the quantity of back protection tube more, has wasted the space seriously.
Therefore, the problem to be solved by the present invention is to provide a photovoltaic combiner box device which can effectively protect cables during use, facilitate cable laying, and save space.
Disclosure of Invention
Aiming at the problems, the invention aims to overcome the defect that when the junction box in the prior art is installed on the ground, the incoming and outgoing cables of the junction box need to be directly buried by penetrating a protection pipe, on one hand, the protection pipe of the junction box is in an exposed state, the service life of the protection pipe is influenced after the junction box is exposed by wind and sunlight, and meanwhile, the protection pipe cannot completely prevent the cables in the pipe from being corroded by rainwater; on the other hand photovoltaic conflux case belongs to the place that the cable was concentrated and is laid, and the cable is more, and the field installation accomplishes the quantity of rear protection tube more, has wasted the problem in space seriously to a photovoltaic conflux case device that can protect the cable effectively in the use is provided, conveniently lays the cable moreover, still practices thrift the space.
In order to achieve the above object, the present invention provides a photovoltaic combiner box apparatus, including: a box body and a protective cover; the box is fixed on the stand, the lower surface of box is provided with the bottom plate, subaerially be provided with box matched with hand hole well, hand hole well with be linked together through the safety cover between the box lower surface, just the bottom plate is located the inside of safety cover, cable assembly pass through the safety cover enters into extremely the inside of box, and the middle part is fixed on the bottom plate.
Preferably, the middle part of hand hole well is provided with the fire prevention mud board, be provided with on the fire prevention mud board with safety cover matched with draw-in groove, the partial block of safety cover is fixed in the draw-in groove, the fire prevention mud board is located the inside part of safety cover run through be provided with cable assembly matched with first through-hole.
Preferably, the protective cover is plated with a zinc layer.
Preferably, the cable set comprises at least: dc cables and photovoltaic lines;
a second through hole and a third through hole are arranged on the bottom plate in a penetrating manner; wherein the content of the first and second substances,
the direct current cable penetrates through the second through hole to enter the box body;
and the photovoltaic wire penetrates through the third through hole and enters the box body.
Preferably, the second through hole and the third through hole are respectively provided with a waterproof joint, and the cable group is fixed on the bottom plate through the waterproof joints.
Preferably, the bottom plate is fixed to a lower surface of the case by bolts.
Preferably, a groove matched with the protective cover is formed in the bottom plate, and the top of the protective cover is fixed in the groove.
Preferably, a plurality of cross rods are fixed on the stand columns through anchor ears, a plurality of vertical rods are fixed on the box body, and the vertical rods can be fixed on the cross rods.
Preferably, the outer side surface of the box body is provided with a reflective warning sign.
According to the technical scheme, the photovoltaic header box device provided by the invention has the beneficial effects that: the cable group passes through from the underground pipe gallery the safety cover enters into in the box to the middle part of cable is fixed on the bottom plate, like this the safety cover can protect effectively the cable group prevents to be corroded by the rainwater, the bottom plate then fixes the position of cable group, can prevent on the one hand that the cable from receiving to pull and drop, and another convenience then makes things convenient for staff's management. The photovoltaic combiner box device provided by the invention overcomes the defect that when the combiner box in the prior art is installed on the ground, the incoming and outgoing cables of the photovoltaic combiner box device need to be directly buried by penetrating the protection tube, on one hand, the protection tube of the photovoltaic combiner box device is in an exposed state, the service life of the protection tube is influenced after the photovoltaic combiner box device is exposed by wind and sunlight, and meanwhile, the protection tube can not completely prevent the cables in the tube from being corroded by rainwater; on the other hand photovoltaic conflux case belongs to the place that the cable was concentrated and is laid, and the cable is more, and the field installation accomplishes the quantity of back protection tube more, has seriously wasted the problem in space.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a photovoltaic combiner box apparatus provided in a preferred embodiment of the present invention;
fig. 2 is a schematic view of an assembly structure between a protective cover and a hand hole well on a photovoltaic combiner box device according to a preferred embodiment of the invention; and
fig. 3 is a schematic structural view of an upper base plate of a photovoltaic combiner box apparatus according to a preferred embodiment of the present invention.
Description of the reference numerals
1 case body 2 vertical rod
3 cross bar 4 bottom plate
5 hand hole well 6 safety cover
7 column 8 fireproof mud board
9 card slot 10 first through hole
11 second through hole 12 third through hole
13 DC cable 14 photovoltaic line
15 light-reflecting warning sign
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional words "upper, lower, inner, outer" and the like included in the terms merely represent the orientation of the terms in a conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms.
As shown in fig. 1-3, the present invention provides a photovoltaic combiner box apparatus, comprising: a box body 1 and a protective cover 6; the box 1 is fixed on stand 7, the lower surface of box 1 is provided with bottom plate 4, subaerially be provided with box 1 matched with hand hole well 5, hand hole well 5 with be linked together through safety cover 6 between the box 1 lower surface, just bottom plate 4 is located the inside of safety cover 6, the cable assembly passes through safety cover 6 enters into extremely the inside of box 1, and the middle part is fixed on bottom plate 4.
In the above scheme, cable group passes through from the underground pipe gallery safety cover 6, enters into in the box 1 to the middle part of cable is fixed on bottom plate 4, like this safety cover 6 can protect effectively cable group prevents to be corroded by the rainwater, bottom plate 4 then fixes the position of cable group, can prevent on the one hand that the cable from receiving to pull and drop, and another convenience then makes things convenient for staff's management.
In a preferred embodiment of the present invention, a fireproof mud plate 8 is disposed in the middle of the hand hole well 5, a clamping groove 9 that is matched with the protective cover 6 is disposed on the fireproof mud plate 8, a part of the protective cover 6 is clamped and fixed in the clamping groove 9, and a first through hole 10 that is matched with the cable set is disposed through a portion of the fireproof mud plate 8 that is located inside the protective cover 6.
In the above scheme, the protection cover 6 is clamped in the clamping groove of the fireproof mud plate 8, so that the cable group is fixed and more compact, and the structures of the fireproof mud plate 8 and the protection cover 6 can effectively protect the ground part of the cable group, on one hand, the cable group can be protected from rainwater erosion, on the other hand, the cable group can be prevented from being damaged, and small animals such as mice can be prevented from entering the protection cover 6.
In a preferred embodiment of the invention, the protective cap 6 is coated with a zinc layer.
In the scheme, the protective cover 6 has good corrosion resistance, and a hot galvanizing technology is generally adopted.
In a preferred embodiment of the invention, the cable set comprises at least: a dc cable 13 and a photovoltaic line 14;
a second through hole 11 and a third through hole 12 penetrate through the bottom plate 4; wherein the content of the first and second substances,
the direct current cable 13 passes through the second through hole 11 and enters the box body 1;
the photovoltaic wire 14 passes through the third through hole 12 into the tank 1.
In the above scheme, the dc cable 13 and the photovoltaic line 14 are fixed respectively, so as to prevent mutual interference and facilitate management of workers.
In a preferred embodiment of the present invention, a waterproof joint is disposed in each of the second through hole 11 and the third through hole 12, and the cable assembly is fixed to the bottom plate 4 through the waterproof joint.
In the above scheme, the waterproof connector further prevents rainwater from invading into the box body, so as to protect the cable group inside.
In a preferred embodiment of the present invention, the bottom plate 4 is fixed to the lower surface of the case 1 by bolts.
In the above scheme, the structure is convenient for dismounting the bottom plate 4, thereby facilitating the wiring of the cable group.
In a preferred embodiment of the invention, the base plate 4 is provided with a recess for cooperation with the protective cover 6, in which recess the top of the protective cover 6 is fixed.
In the scheme, the top of the protective cover 6 is positioned in the groove, and a rubber ring and other structures can be arranged inside the protective cover to increase the sealing performance between the protective cover and the groove and prevent rainwater from entering the protective cover.
In a preferred embodiment of the present invention, a plurality of cross bars 3 are fixed on the upright post 7 through a hoop, a plurality of vertical bars 2 are fixed on the box body 1, and the vertical bars 2 can be fixed on the cross bars 3. The box body 1 is fixed on the upright post 7 by utilizing the vertical rod 2 and the cross rod 3, and the vertical rod 2 and the cross rod 3 can be purlines.
In a preferred embodiment of the present invention, a reflective warning mark 15 is disposed on an outer side surface of the box body 1, so as to play a certain reminding role and prevent the box body from being damaged.
The photovoltaic combiner box device provided by the invention overcomes the defect that when the combiner box in the prior art is installed on the ground, the incoming and outgoing cables of the photovoltaic combiner box device need to be directly buried by penetrating the protection tube, on one hand, the protection tube of the photovoltaic combiner box device is in an exposed state, the service life of the protection tube is influenced after the photovoltaic combiner box device is exposed by wind and sunlight, and meanwhile, the protection tube can not completely prevent the cables in the tube from being corroded by rainwater; on the other hand photovoltaic conflux case belongs to the place that the cable was concentrated and is laid, and the cable is more, and the field installation accomplishes the quantity of back protection tube more, has seriously wasted the problem in space.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (9)
1. A photovoltaic combiner box apparatus, comprising: a box body (1) and a protective cover (6); the utility model discloses a cable assembly, including box (1), protection cover (6), box (7), bottom plate (4), subaerial be provided with box (1) matched with hand hole well (5), hand hole well (5) with be linked together through safety cover (6) between box (1) the lower surface, just bottom plate (4) are located the inside of safety cover (6), the cable assembly passes through safety cover (6) enter into extremely the inside of box (1), and the middle part is fixed on bottom plate (4).
2. The photovoltaic header box device according to claim 1, wherein a fireproof mud plate (8) is arranged in the middle of the hand hole well (5), a clamping groove (9) matched with the protective cover (6) is formed in the fireproof mud plate (8), the protective cover (6) is partially clamped and fixed in the clamping groove (9), and a first through hole (10) matched with the cable set is formed in a part, located inside the protective cover (6), of the fireproof mud plate (8) in a penetrating mode.
3. Photovoltaic header device according to claim 1, characterized in that said protective cover (6) is coated with a zinc layer.
4. The photovoltaic combiner box apparatus of claim 1, wherein the cable set comprises at least: a DC cable (13) and a photovoltaic line (14);
a second through hole (11) and a third through hole (12) penetrate through the bottom plate (4); wherein the content of the first and second substances,
the direct current cable (13) passes through the second through hole (11) and enters the box body (1);
the photovoltaic wire (14) penetrates through the third through hole (12) and enters the box body (1).
5. The photovoltaic header device according to claim 4, wherein a waterproof joint is provided in each of the second through hole (11) and the third through hole (12), and the cable group is fixed to the base plate (4) through the waterproof joint.
6. The photovoltaic header device according to claim 1, wherein the bottom plate (4) is fixed to a lower surface of the box body (1) by bolts.
7. Photovoltaic header device according to claim 6, characterized in that the base plate (4) is provided with a groove cooperating with the protective cover (6), the top of the protective cover (6) being fixed in the groove.
8. The photovoltaic header box device according to claim 1, wherein a plurality of cross bars (3) are fixed on the upright posts (7) through hoops, a plurality of vertical bars (2) are fixed on the box body (1), and the vertical bars (2) can be fixed on the cross bars (3).
9. The photovoltaic header box device according to claim 1, characterized in that the outer side of the box body (1) is provided with a reflective warning sign (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911282531.3A CN110808710A (en) | 2019-12-13 | 2019-12-13 | Photovoltaic conflux case device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911282531.3A CN110808710A (en) | 2019-12-13 | 2019-12-13 | Photovoltaic conflux case device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110808710A true CN110808710A (en) | 2020-02-18 |
Family
ID=69493081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911282531.3A Pending CN110808710A (en) | 2019-12-13 | 2019-12-13 | Photovoltaic conflux case device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110808710A (en) |
-
2019
- 2019-12-13 CN CN201911282531.3A patent/CN110808710A/en active Pending
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