CN214125164U - Photovoltaic inverter box - Google Patents
Photovoltaic inverter box Download PDFInfo
- Publication number
- CN214125164U CN214125164U CN202120192363.5U CN202120192363U CN214125164U CN 214125164 U CN214125164 U CN 214125164U CN 202120192363 U CN202120192363 U CN 202120192363U CN 214125164 U CN214125164 U CN 214125164U
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- box
- photovoltaic inverter
- lead
- sealing
- wire
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Photovoltaic Devices (AREA)
- Inverter Devices (AREA)
Abstract
The utility model relates to a photovoltaic inverter box, the inside of which is provided with an electric component, the photovoltaic inverter box also comprises a wiring component, the wiring component comprises an in-box lead and a wiring device, wherein, the first end of the in-box lead is positioned inside the photovoltaic inverter box and is electrically connected with the electric component, a lead hole is arranged on the box wall of the photovoltaic inverter box, and the second end of the in-box lead is led out to the outside of the photovoltaic inverter box through the lead hole; the wiring device is located outside the photovoltaic inverter box and electrically connected with the second end of the in-box lead wire, and an external wire wiring part used for being electrically connected with the out-box connecting wire is further arranged on the wiring device. The utility model provides the high efficiency of photovoltaic inverter box's installation and maintenance to intensity of labour has been reduced.
Description
Technical Field
The utility model relates to a photovoltaic inverter box design production technical field, in particular to photovoltaic inverter box.
Background
General photovoltaic contravariant case contains box 05, interior wiring 01, external connection 03 and realizes the termination of electricity connection with interior wiring 01 and external connection 03, and termination can be binding post 021, connector 022 or terminal box 023 etc. and present termination is generally fixed on the box wall to pierce through the box wall, and termination's one end is located inside the box 05, and the other end is located the box 05 outside.
With the increasing power of the photovoltaic inverter box, the diameters of the inner connecting wire 01 and the outer connecting wire 03 are also increased, so that the current photovoltaic inverter box has at least the following disadvantages:
the inner wire 01 has a large diameter and is difficult to bend, so that the connection operation between the inner wire 01 and the outer wire 03 and the wiring device is very difficult when the inner wire 01 is installed, and particularly, the inner wire 01 has limited operation space because the inner wire is positioned inside the box body 05 and needs to be bent so as to be butted with the wiring device, which not only needs to consume a large amount of installation time, but also needs to consume a large amount of physical force, and causes high labor intensity of installation personnel; the detachment and operation process of the interconnector 01 is also difficult when performing maintenance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to disclose a photovoltaic contravariant case to can make the installation and the maintenance of photovoltaic contravariant case become simple and convenient.
In order to achieve the above purpose, the photovoltaic inverter box provided by the utility model is internally provided with electric components, and also comprises a wiring component, wherein the wiring component comprises an in-box lead and a wiring device, wherein,
the first end of the in-box lead is positioned inside the photovoltaic inverter box and is electrically connected with the electrical component, a lead hole is formed in the box wall of the photovoltaic inverter box, and the second end of the in-box lead penetrates out of the photovoltaic inverter box through the lead hole;
the wiring device is located outside the photovoltaic inverter box and electrically connected with the second end of the in-box lead wire, and an external wire wiring part used for being electrically connected with the out-box connecting wire is further arranged on the wiring device.
Preferably, a sealing member is further disposed between the in-box lead and the lead hole, so that a sealing structure is formed between the in-box lead and the lead hole.
Preferably, the sealing component is a rubber sealing element, the rubber sealing element is embedded in the wire outlet hole, and a through hole for the wire to penetrate out of the box inner lead is further formed in the rubber sealing element.
Preferably, the sealing member is a sealing adhesive layer filled between the in-box lead and the lead hole.
Preferably, the wiring device is electrically connected with the second end of the in-box lead through an inner wire wiring part, wherein the inner wire wiring part is a compression type wiring hoop body, or the inner wire wiring part is a wiring screw in threaded fit with the wiring device.
Preferably, the external wire connecting portion is a compression type wire connecting hoop body, or the external wire connecting portion is a wire connecting screw in threaded fit with the wire connecting device.
Preferably, the wiring device is of a columnar structure, the inner wiring portion is arranged at one end of the wiring device, and the outer wiring portion is arranged at the other end of the wiring device.
Preferably, the cross-sectional areas of the two ends of the wiring device are equal or different.
Preferably, the wiring device is a wiring terminal block, one end of the wiring terminal block is provided with the inner wiring portion, and the other end of the wiring terminal block is provided with the outer wiring portion.
Preferably, a seal guard is included that covers and sealingly engages the wiring device with the in-box lead and the out-box lead.
Preferably, the seal guard is an openable sealed box.
Preferably, a first sealing plug is arranged at the position where the sealing box body is contacted with the in-box lead wire, and a second sealing plug is arranged at the position where the sealing box body is contacted with the out-box connecting wire.
Preferably, the sealing protector is a sealing tape wound around the wiring device, the in-box lead wire, and the out-box lead wire.
Preferably, the seal protector is a sealing sleeve having an elastic force and tightened around the wiring device, the in-box lead wire and the out-box lead wire by the elastic force.
Preferably, the photovoltaic inverter box is rectangular, after installation, a surface closest to the ground is called a bottom surface of the photovoltaic inverter box, a surface opposite to the bottom surface is called a top surface of the photovoltaic inverter box, the rest surfaces of the photovoltaic inverter box except the top surface and the bottom surface are called side surfaces, and the wire outlet is arranged on the bottom surface and/or the side surfaces.
Preferably, the photovoltaic inverter box is an inverter box.
The utility model discloses in the photovoltaic inverter box, its wiring component includes in-box lead-out wire and termination, the first end of in-box lead-out wire is located the inside of photovoltaic inverter box, and the first end and the electrical component of in-box lead-out wire are connected, the wire hole that the second end was seted up on the tank wall through the photovoltaic inverter box is worn out to the outside of photovoltaic inverter box, termination is located the outside of photovoltaic inverter box and is held the electricity with the second of in-box lead-out wire and be connected, still be provided with the external connection line portion that is used for carrying out the electricity with the off-box connecting wire on the termination.
It can be seen that, the utility model discloses an in-box lead wire of photovoltaic inverter box directly passes the tank wall, and termination is in the outside of photovoltaic inverter box, and the in-box lead wire realizes the electricity with the case external connection line in termination department and is connected, and this photovoltaic inverter box has following advantage at least:
1. the in-box lead wire and the out-box connecting wire are electrically connected outside the photovoltaic inverter box, so that the installation and maintenance processes are not limited by the internal space of the photovoltaic inverter box, the operation space is large, the wiring device can move freely, the butt joint of the in-box lead wire and the out-box connecting wire is convenient to realize, the installation and maintenance efficiency is improved, and the labor intensity is reduced;
2. compared with a wiring device, the space occupied by the lead wires in the box penetrating out of the box wall is remarkably reduced, and the size of the whole photovoltaic inverter box can be reduced as much as possible, so that the cost of the photovoltaic inverter box and the occupied installation space are reduced;
3. compared with the wiring device in the prior art, the wire outlet hole is smaller in mounting hole, and if sealing is needed, the sealing between the wire outlet hole and the in-box lead is more reliable;
4. the wire outlet hole is smaller than the wiring device mounting hole in the prior art, and the electromagnetic compatibility of the photovoltaic inverter box is improved.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic inverter box in the prior art;
fig. 2 is a schematic structural view of a photovoltaic inverter box disclosed in an embodiment of the present invention;
fig. 3 is a schematic structural view of a photovoltaic inverter box disclosed in another embodiment of the present invention;
fig. 4 is a schematic structural view of a photovoltaic inverter box disclosed in another embodiment of the present invention;
fig. 5 is a schematic front view of a photovoltaic inverter box according to another embodiment of the present invention.
Wherein, 1 is the case internal lead wire, 2 is termination, 3 is the case external connection line, 4 is the rubber seal.
Detailed Description
The utility model discloses a core lies in disclosing a photovoltaic contravariant case to can make the installation and the maintenance of photovoltaic contravariant case become simple and convenient.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
Referring to fig. 2 to 5, in the photovoltaic inverter box disclosed in the present embodiment, electrical components are disposed inside the photovoltaic inverter box, in addition, the photovoltaic inverter box further includes a wiring member, the wiring member includes an in-box lead 1 and a wiring device 2, two ends of the in-box lead 1 are respectively referred to as a first end and a second end, the first end of the in-box lead 1 is located inside the photovoltaic inverter box and electrically connected to the corresponding electrical components, a lead hole is disposed on a box wall of the photovoltaic inverter box, and the second end of the in-box lead 1 penetrates out of the photovoltaic inverter box through the lead hole; the wiring device 2 is located outside the photovoltaic inverter box, the wiring device 2 is electrically connected with the second end of the in-box lead wire 1, and an external wiring portion for electrically connecting with the out-box connecting wire 3 is further arranged on the wiring device 2.
It can be seen from the above embodiment that, the in-box lead 1 of photovoltaic inverter box directly passes the tank wall, and termination 2 sets up in the outside of photovoltaic inverter box, and the in-box lead 1 realizes the electricity with the out-of-box connecting wire 3 in termination 2 department and is connected, and this photovoltaic inverter box has following advantage at least:
the in-box lead wire 1 and the out-box connecting wire 3 are electrically connected outside the photovoltaic inverter box, so that the installation and maintenance process is not limited by the internal space of the photovoltaic inverter box, the operation space is large, the wiring device 2 can move freely, the butt joint of the in-box lead wire 1 and the out-box connecting wire 3 is conveniently realized, the installation and maintenance efficiency is improved, and the labor intensity is reduced;
compared with the wiring device 2, the space occupied by the in-box lead 1 penetrating out of the box wall is remarkably reduced, and the size of the whole photovoltaic inverter box can be reduced as much as possible, so that the cost of the photovoltaic inverter box and the occupied installation space are reduced;
compared with the wiring device 2 in the prior art, the wire outlet hole has smaller mounting hole, and if sealing is needed, the sealing between the wire outlet hole and the in-box lead 1 is more reliable;
the wire outlet hole is smaller than the mounting hole of the wiring device 2 in the prior art, which is beneficial to improving the electromagnetic compatibility of the photovoltaic inverter box.
In the photovoltaic inverter box disclosed in this embodiment, a sealing member is further provided between the in-box lead 1 and the lead hole, so that a sealing structure is formed between the in-box lead 1 and the lead hole.
The specific implementation form of the sealing member is not limited to one, in one embodiment, the sealing member is a rubber sealing member 4, the rubber sealing member 4 is embedded in the wire outlet and sealed with the wire outlet, and the rubber sealing member 4 is further provided with a through hole for the wire 1 in the box to pass through; in general, the in-box lead 1 is a plurality of lines separated from the same cable, each rubber sealing element 4 may be provided with a through hole corresponding to one of the lines, or one rubber sealing element 4 may be provided with through holes corresponding to all the lines, and the plurality of lines all penetrate out of the same rubber sealing element 4.
In another embodiment, the sealing member is specifically a sealing adhesive layer filled between the in-box lead 1 and the lead hole, and the gap between the in-box lead 1 and the lead hole can be filled through the sealing adhesive layer to realize sealing between the in-box lead 1 and the lead hole.
In this embodiment, the wiring device 2 is electrically connected to the second end of the in-box lead 1 through the inner wire connection portion, it should be understood that there may be various types of the inner wire connection portion, in one case, the inner wire connection portion may be a wire connection hoop body, when in wiring, the in-box lead 1 is firstly sleeved into the wire connection hoop body, and then the electrical connection between the wire connection hoop body and the in-box lead 1 is realized through a pressing manner, so the wire connection hoop body is also called a pressing type wire connection hoop body because of the pressing manner; alternatively, the inner wire connecting portion may be a binding screw threadedly engaged with the wire connecting device 2.
Likewise, the form of implementation of the outer wire connecting portion is not limited to one, and in one case, the outer wire connecting portion may be the above-described compression type wire ferrule body, and in another case, the outer wire connecting portion may also be a wire connecting screw that is screwed with the wire connecting device 2.
In summary, the inner wire connection portion and the outer wire connection portion may be both the compression-type wire connection hoop body, or both the inner wire connection portion and the outer wire connection portion may be the wire connection screw, or one of them may be the compression-type wire connection hoop body, and the other one may be the wire connection screw, as shown in fig. 4.
Referring to fig. 3, in an embodiment, the connection device 2 is a cylindrical structure, one end of the connection device 2 is provided with the inner wire connection portion, the other end is provided with the outer wire connection portion, and the cross-sectional shapes of the two ends of the connection device 2 may be equal or unequal.
Referring to fig. 2, besides the cylindrical wiring device 2, in another embodiment, the wiring device 2 may also be a terminal block, one end of the terminal block is provided with the internal wiring portion, and the other end is provided with the external wiring portion. Of course, the wiring device 2 may be other devices such as a junction box that can electrically connect the in-box lead 1 and the out-box lead 3.
In order to further optimize the technical solution in the above embodiment, the photovoltaic inverter box disclosed in this embodiment further includes a sealing protector, the sealing protector can cover the wiring device 2 and is in sealing fit with the in-box lead 1 and the out-box connection line 3, and the sealing protector is arranged to enable the connection between the in-box lead 1 and the out-box connection line 3 to achieve a high-level waterproof sealing performance.
In one embodiment, the sealing protection part is a sealing box body which can be opened, the sealing box body can be made of hard sealing box bodies made of metal, plastic and the like, and the sealing performance of the sealing box body can be ensured by additionally arranging a flexible sealing element (such as a rubber pad) at the position where the sealing box body can be opened; of course, the sealing box should also perform reliable sealing at the position where the sealing box contacts the in-box lead-out 1 and the out-box connecting wire 3, and the sealing plug is a feasible way, for example, a first sealing plug is arranged at the position where the sealing box contacts the in-box lead-out 1, a second sealing plug is arranged at the position where the sealing box contacts the out-box connecting wire 3, and through holes allowing the in-box lead-out 1 and the out-box connecting wire 3 to pass through and sealing with the in-box lead-out 1 and the out-box connecting wire 3 should be arranged on the first sealing plug and the second sealing plug.
Besides, the sealing between the sealed box body and the in-box lead-out wire 1 and the out-box connecting wire 3 can be realized by adopting a mode of sealing glue at the contact positions of the sealed box body and the in-box lead-out wire 1 and the out-box connecting wire 3.
Of course, the sealing protector may be a sealing tape wound around the wiring device 2, the in-box lead wire 1, and the out-box lead wire 3, and it should be noted that the sealing tape needs to be wound tightly to ensure reliable sealing protection performance.
In another embodiment, the seal guard is a flexible sealing boot having elasticity and hooped by the elasticity to the wiring device 2, the in-box lead-out wire 1 and the out-box lead-out wire 3, thereby achieving excellent seal guard performance.
It should be understood that the shape of the photovoltaic inverter box is not limited, and may be a column shape, a sphere shape, a terrace shape, a rectangular parallelepiped shape, a cone shape, etc., and the photovoltaic inverter box in this embodiment has a rectangular parallelepiped shape in consideration of convenience in design, production, and installation, and, after the installation is completed, one surface of the photovoltaic inverter box, which is closest to the ground, is called the bottom surface of the photovoltaic inverter box, the surface opposite to the bottom surface is called the top surface of the photovoltaic inverter box, the rest surfaces of the photovoltaic inverter box except the top surface and the bottom surface are called the side surfaces, wherein, the wire outlet holes are arranged on the bottom surface and/or the side surface of the photovoltaic inverter box, as in the scheme shown in the figures 2 to 4, the wire outlet holes are all arranged on the side surface of the photovoltaic inverter box, the in-box lead wires 1 all penetrate out from the side surface of the photovoltaic inverter box, in the solution shown in fig. 5, holes are formed in the bottom surface of the photovoltaic inverter box, and the in-box lead wires 1 all penetrate out of the bottom surface of the photovoltaic inverter box.
Normally, the external box connecting wire 3 is provided by a field customer and is electrically connected with the photovoltaic inverter box; the operation of the whole system can be realized only after the connection between the outside box connecting wire 3 and the inside box leading-out wire 1 is completed.
It is right above the utility model provides a photovoltaic inverter box has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (15)
1. A photovoltaic inverter box is internally provided with electric components and is characterized by also comprising a wiring component, wherein the wiring component comprises an in-box lead (1) and a wiring device (2),
the first end of the in-box lead (1) is positioned inside the photovoltaic inverter box and is electrically connected with the electrical component, a lead hole is formed in the box wall of the photovoltaic inverter box, and the second end of the in-box lead (1) penetrates out of the photovoltaic inverter box through the lead hole;
the wiring device (2) is located outside the photovoltaic inverter box and electrically connected with the second end of the in-box lead (1), and an external wiring part used for being electrically connected with the out-box connecting wire (3) is further arranged on the wiring device (2).
2. The photovoltaic inverter box according to claim 1, wherein a sealing member is further disposed between the in-box lead (1) and the lead hole, so that a sealing structure is formed between the in-box lead (1) and the lead hole.
3. The photovoltaic inverter box according to claim 2, wherein the sealing member is a rubber sealing member (4), the rubber sealing member (4) is embedded in the wire outlet hole, and a through hole for the in-box wire (1) to pass through is further formed in the rubber sealing member (4).
4. The photovoltaic inverter box according to claim 2, wherein the sealing member is a sealant layer filled between the in-box lead (1) and the lead hole.
5. The pv inverter box according to claim 1, wherein the wiring device (2) is electrically connected to the second end of the in-box lead (1) through an inner wire connection portion, wherein the inner wire connection portion is a compression-type wire clamp or a screw threadedly engaged with the wiring device (2).
6. The photovoltaic inverter box according to claim 5, wherein the external wire connection portion is a compression type wire connection hoop body, or a wire connection screw in threaded fit with the wiring device (2).
7. The photovoltaic inverter box according to claim 5, wherein the wiring device (2) has a columnar structure, and one end of the wiring device (2) is provided with the inner wiring portion and the other end is provided with the outer wiring portion.
8. The photovoltaic inverter box according to claim 7, characterized in that the cross-sectional area of the two ends of the wiring device (2) is equal or unequal.
9. The photovoltaic inverter box according to claim 5, wherein the wiring device (2) is a terminal block, one end of the terminal block is provided with the inner wiring portion, and the other end is provided with the outer wiring portion.
10. The photovoltaic inverter box according to claim 1, further comprising a sealing shield covering the wiring device (2) and sealingly engaging the in-box lead (1) and the out-box connection wires (3).
11. The pv inverter box of claim 10, wherein the seal guard is an openable sealed box.
12. The photovoltaic inverter box according to claim 11, wherein a first sealing plug is arranged at a position where the sealing box body is in contact with the in-box lead (1), and a second sealing plug is arranged at a position where the sealing box body is in contact with the out-box connecting wire (3).
13. The pv inverter box according to claim 10, wherein the sealing protector is a sealing tape wound around the wiring device (2), the in-box lead (1) and the out-box lead (3).
14. The pv inverter box according to claim 10, wherein the sealing protector is a sealing boot having elastic force and hooped on the wiring device (2), the in-box lead (1) and the out-box connection line (3) by the elastic force.
15. The photovoltaic inverter box according to claim 1, wherein the photovoltaic inverter box is rectangular, after installation, a surface closest to the ground is referred to as a bottom surface of the photovoltaic inverter box, a surface opposite to the bottom surface is referred to as a top surface of the photovoltaic inverter box, and the remaining surfaces of the photovoltaic inverter box except the top surface and the bottom surface are referred to as side surfaces, and the outlet hole is formed in the bottom surface and/or the side surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120192363.5U CN214125164U (en) | 2021-01-22 | 2021-01-22 | Photovoltaic inverter box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120192363.5U CN214125164U (en) | 2021-01-22 | 2021-01-22 | Photovoltaic inverter box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214125164U true CN214125164U (en) | 2021-09-03 |
Family
ID=77495708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120192363.5U Active CN214125164U (en) | 2021-01-22 | 2021-01-22 | Photovoltaic inverter box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214125164U (en) |
-
2021
- 2021-01-22 CN CN202120192363.5U patent/CN214125164U/en active Active
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