CN113412019A - Inverter with a voltage regulator - Google Patents
Inverter with a voltage regulator Download PDFInfo
- Publication number
- CN113412019A CN113412019A CN202110787611.5A CN202110787611A CN113412019A CN 113412019 A CN113412019 A CN 113412019A CN 202110787611 A CN202110787611 A CN 202110787611A CN 113412019 A CN113412019 A CN 113412019A
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- Prior art keywords
- box body
- adapter
- inverter
- wall
- waterproof
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 239000002390 adhesive tape Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses an inverter, which comprises a main box body, wherein an inverter module and a sealed switching box body are arranged in the main box body; the first wall of the adapter box body is opposite to or shares one wall of the main box body, a first waterproof wire connector is arranged on the first wall of the adapter box body and the wall of the main box body in a sealing and penetrating mode, the first waterproof wire connector is partially exposed outside, and the first waterproof wire connector is configured to connect an external cable into the adapter box body to be connected to the adapter piece; the output cable of the inverter module is connected to the adaptor to be electrically connected with the external cable through the adaptor. By means of the arrangement of the sealed switching box body and the first waterproof wire connector, the waterproof capacity of the inverter can be effectively improved. The switching box body and the main box body share three surfaces, so that the material cost of the inverter can be saved, and the switching box body is hidden in the main box body, so that the attractiveness of the inverter can be improved.
Description
Technical Field
The invention relates to the field of inverters, in particular to an inverter.
Background
In the existing inverter structure, a box door which can be opened and closed in a rotating mode is generally arranged on the side face of a main box body to be connected with an output cable of the main box body in a switching mode, a wiring terminal and a waterproof head are arranged on the box door, and the output cable penetrates through an opening in the side face of the box body and is connected to one end of the wiring terminal; the outside cable passes through in the waterproof head access door and is connected to binding post's the other end. A circle of waterproof adhesive tape is attached to the box door, and after the box door is closed, the waterproof adhesive tape is attached to the side face of the box body to play a waterproof role; however, in order to connect wires, the box door needs to be opened and closed frequently, so that the waterproof rubber strips are loosened, the box door is not closed tightly, water vapor can enter the box body from the box door through the opening on the side face of the box body, and then the inverter is prone to failure.
Disclosure of Invention
The invention aims to provide an inverter, which can improve the waterproof capability.
In order to achieve the purpose, the invention discloses an inverter, which comprises a main box body, wherein an inverter module and a sealed switching box body are arranged in the main box body, and the switching box body is provided with a switching piece; the first wall of the adapter box body is opposite to or shares one wall of the main box body, a first waterproof wire connector is arranged on the first wall of the adapter box body and the wall of the main box body in a sealing and penetrating mode, the first waterproof wire connector is partially exposed outside, and the first waterproof wire connector is configured to connect an external cable into the adapter box body to be connected to the adapter piece; the output cable of the inverter module is connected to the adaptor to be electrically connected with an external cable through the adaptor.
Optionally, the adaptor is arranged in the adaptor box body; a second waterproof wire connector is arranged on a second box wall of the switching box body in a sealing and penetrating mode, and part of the second waterproof wire connector is exposed in the inner space of the main box body; and an output cable of the inversion module is connected into the adapter box body through the second waterproof wire connector and is connected with the adapter piece.
Optionally, the adaptor is hermetically inserted through the second box wall of the adaptor box body, and part of the adaptor is located in the adaptor box body and part of the adaptor is located in the inner space of the main box body; and the output cable and the external cable of the inversion module are respectively connected to the inner side and the outer side of the adaptor.
Optionally, the adaptor is a conductive bar.
Optionally, an insulating sheet is disposed between the conductive bar and the adapter box body.
Optionally, the adapter box is provided with a plurality of the conductive bars, and the plurality of conductive wires of the output cable and the plurality of conductive wires of the external cable are respectively connected to the plurality of the conductive bars; a plurality of be equipped with the insulating piece between the row of leading electrically, the insulating piece is used for keeping apart the link of adjacent conductor wire.
Optionally, a ground terminal is disposed in the adapter box, and a conductive wire of the external cable is connected to the ground terminal.
Optionally, the adapter box body is integrally connected to another wall of the main box body, and the other wall of the main box body is provided with an opening corresponding to the adapter box body, and the opening is used for internal wiring of the adapter box body; the opening part is provided with a cover plate, and the cover plate is detachably sealed at the opening part.
Optionally, the cover plate is detachably mounted at the opening by a plurality of screws.
Optionally, a watertight seal is provided between the cover and the other wall of the tank around the opening.
According to the invention, the sealed switching box body is arranged in the main box body to switch the output cable of the inverter module, and the first waterproof wire connectors are hermetically arranged on the first box wall of the switching box body and the box wall of the main box body in a penetrating manner to limit water vapor outside the main box body from directly entering the inner space of the main box body, so that the waterproof capability of the inverter can be effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of an inverter according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure diagram of an inverter according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of another view of the inverter according to the embodiment of the invention.
Fig. 4 is an exploded view of an inverter according to an embodiment of the present invention.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 4, an inverter according to an embodiment of the present invention includes a main box 1, an inverter module 2 and a sealed adapter box 3 are disposed in the main box 1, and an adapter 31 is mounted on the adapter box 3; the first wall 32 of the adapter box body 3 is opposite to one wall of the main box body 1 or shares one wall of the main box body 1, a first waterproof wire connector 33 is arranged on the first wall 32 of the adapter box body 3 and the wall of the main box body 1 in a sealing and penetrating mode, the first waterproof wire connector 33 is partially exposed outside, and the first waterproof wire connector 33 is configured to connect the external cable 4 into the adapter box body 3 to be connected to the adapter 31; the output cable 21 of the inverter module 2 is connected to the adaptor 31 to be electrically connected with the external cable 4 through the adaptor 31. Through set up sealed switching box 3 in main box 1 and come switching inverter module 2's output cable 21 to seal to wear to be equipped with first waterproof connector 33 on the first tank wall 32 of switching box 3 and the tank wall of main box 1 and restrict the direct inner space that gets into main box 1 of the outer aqueous vapor of main box 1 (the inside space except that switching box 3 of main box 1), and then can promote the waterproof ability of dc-to-ac converter effectively. In order to achieve a better waterproof effect, in the present embodiment, the first wall 32 of the adapter housing 3 shares a wall of the main housing 1. Of course, in other embodiments, the first wall 32 of the adapter box 3 may be disposed opposite to a wall of the main box 1, and the first wall 32 of the adapter box 3 may be attached to a wall of the main box 1 for better waterproof effect.
Specifically, the inverter according to the embodiment of the present invention is a photovoltaic grid-connected inverter, but not limited thereto.
Referring to fig. 2 and 3, in the present embodiment, the adaptor 31 is disposed in the adaptor box 3; a second waterproof wire connector 35 is hermetically arranged on the second box wall 34 of the adapter box body 3 in a penetrating way, and part of the second waterproof wire connector 35 is exposed in the inner space of the main box body 1; the output cable 21 of the inverter module 2 is connected to the adapter housing 3 through the second waterproof connector 35 and is connected to the adapter 31. By means of the setting of the second waterproof wire connector 35 which is hermetically arranged on the second box wall 34 of the adapting box body 3 in a penetrating way, the double waterproof effect can be achieved.
Specifically, the first waterproof connector 33 and the second waterproof connector 35 are waterproof joints, a plurality of conductive wires 100 (for example, a zero line and three live wires with different phases) of the external cable 4 are all connected into the adaptor box 3 by the same first waterproof connector 33, the second waterproof connector 35 is provided in a plurality, and different conductive wires 100 of the output cable 21 are connected into the adaptor box 3 by different second waterproof connectors 35.
Referring to fig. 3, the interposer 31 is a conductive bar.
Specifically, two opposite sides of the conductive bar are respectively provided with a mounting hole 311, the output cable 21 is connected to the mounting hole 311 on one side through a screw 5, and the external cable 4 is connected to the mounting hole 311 on the other side through the screw 5, thereby realizing the electrical connection between the output cable 21 and the external cable 4.
Referring to fig. 3, an insulation sheet 6a is disposed between the conductive bar and the adapting box 3.
Specifically, the conductive bar is fixedly connected to the wall of the adapter box 3 by a screw 5, and the insulation sheet 6a can ensure insulation between the conductive bar and the adapter box 3.
Referring to fig. 3, the adapting box 3 is provided with a plurality of conductive bars, and the plurality of conductive wires 100 of the output cable 21 and the plurality of conductive wires 100 of the external cable 4 are respectively connected to the plurality of conductive bars; an insulating sheet 6b is provided between the plurality of conductive bars, and the insulating sheet 6b is used to isolate the connection ends 101 of the adjacent conductive lines 100.
Specifically, the conductive bars are provided with four, one of the conductive bars is used for connecting a zero line, the other three conductive bars are arranged side by side and are respectively used for connecting three live wires with different phases, and the insulating sheet 6b is arranged between the connecting ends 101 of the adjacent live wires so as to prevent the connecting ends 101 of the adjacent live wires from being deviated to cause short circuit when the adjacent live wires are connected.
Referring to fig. 3, the grounding terminal 36 is disposed in the adaptor box 3, and a conductive wire 100 of the external cable 4 is connected to the grounding terminal 36, so that when the box of the inverter is grounded, the safety of the inverter can be improved, and the personal safety of a user can be protected.
Referring to fig. 2 to 4, the adapter box 3 is integrally connected to another wall of the main box 1, an opening 11 is formed in the another wall of the main box 1 at a position corresponding to the adapter box 3, and the opening 11 is used for internal wiring of the adapter box 3; a cover plate 12 is provided at the opening 11, and the cover plate 12 is detachably sealed at the opening 11. Borrow by the setting of opening 11, not only be convenient for carry out the connection of output cable 21 and outside cable 4 to opening 11 only communicates with switching box 3, can prevent that the aqueous vapor from getting into main box 1, has ensured the leakproofness of main box 1 inner space, promotes the waterproof performance of inverter.
In the specific example shown in the drawings, the relay box 3 is a rectangular parallelepiped including only two independent side walls and a top wall, and the bottom wall, the other side wall and the opening side are integrally formed on the main box 1, thereby contributing to saving of material cost. Specifically, the bottom wall and the top wall of the relay box 3 are used as the first box wall 32 and the second box wall 34, respectively, but are not limited thereto. The adapter box body 3 is hidden in the main box body 1, and the attractiveness of the inverter can be improved.
Specifically, the cover plate 12 is detachably mounted at the opening 11 by a plurality of screws 7.
Referring to fig. 4, a waterproof seal (not shown) is provided between the cover plate 12 and the other wall of the main tank 1 around the opening 11 to ensure the sealing effect of the adapter tank 3.
Specifically, the waterproof sealing element is a waterproof adhesive tape, and an annular groove 13 for placing the waterproof adhesive tape is formed in the corresponding box wall of the main box body 1. Of course, the recess 13 may also be provided on the cover plate 12.
In another embodiment of the invention, the adapter is hermetically arranged on the second box wall of the adapter box body in a penetrating way, and part of the adapter is positioned in the adapter box body and part of the adapter is positioned in the inner space of the main box body; the output cable and the external cable of the inversion module are respectively connected to the inner side and the outer side of the adapter (namely, the two sides in the adapter box body and the two sides outside the adapter box body). Through the technical means, the double waterproof technical effect can be achieved, and the use of a waterproof wire connector can be reduced.
Specifically, the adaptor is a conductive bar.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (10)
1. An inverter is characterized by comprising a main box body, wherein an inverter module and a sealed switching box body are arranged in the main box body, and the switching box body is provided with a switching piece; the first wall of the adapter box body is opposite to or shares one wall of the main box body, a first waterproof wire connector is arranged on the first wall of the adapter box body and the wall of the main box body in a sealing and penetrating mode, the first waterproof wire connector is partially exposed outside, and the first waterproof wire connector is configured to connect an external cable into the adapter box body to be connected to the adapter piece; the output cable of the inverter module is connected to the adaptor to be electrically connected with an external cable through the adaptor.
2. The inverter of claim 1,
the adapter is arranged in the adapter box body;
a second waterproof wire connector is arranged on a second box wall of the switching box body in a sealing and penetrating mode, and part of the second waterproof wire connector is exposed in the inner space of the main box body;
and an output cable of the inversion module is connected into the adapter box body through the second waterproof wire connector and is connected with the adapter piece.
3. The inverter of claim 1,
the adapter is hermetically arranged on the second box wall of the adapter box body in a penetrating way, and part of the adapter is positioned in the adapter box body and part of the adapter is positioned in the inner space of the main box body;
and the output cable and the external cable of the inversion module are respectively connected to the inner side and the outer side of the adaptor.
4. The inverter according to any one of claims 1 to 3,
the adaptor is a conductive bar.
5. The inverter of claim 4,
an insulating sheet is arranged between the conductive bar and the switching box body.
6. The inverter of claim 4,
the switching box body is provided with a plurality of conductive bars, and a plurality of conductive wires of the output cable and a plurality of conductive wires of the external cable are respectively connected to the plurality of conductive bars;
a plurality of be equipped with the insulating piece between the row of leading electrically, the insulating piece is used for keeping apart the link of adjacent conductor wire.
7. The inverter of claim 1,
the adapter box body is internally provided with a grounding terminal, and a conductive wire of an external cable is connected with the grounding terminal.
8. The inverter of claim 1,
the switching box body is integrally connected to the other wall of the main box body, and an opening is formed in the other wall of the main box body at a position corresponding to the switching box body and used for internal wiring of the switching box body;
the opening part is provided with a cover plate, and the cover plate is detachably sealed at the opening part.
9. The inverter of claim 1, wherein the cover plate is removably mounted at the opening by a plurality of screws.
10. The inverter according to claim 8, wherein a waterproof seal surrounding the opening is provided between the cover plate and the other wall of the main case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110787611.5A CN113412019A (en) | 2021-07-12 | 2021-07-12 | Inverter with a voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110787611.5A CN113412019A (en) | 2021-07-12 | 2021-07-12 | Inverter with a voltage regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113412019A true CN113412019A (en) | 2021-09-17 |
Family
ID=77685919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110787611.5A Pending CN113412019A (en) | 2021-07-12 | 2021-07-12 | Inverter with a voltage regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113412019A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719603A (en) * | 2010-02-01 | 2010-06-02 | 慈溪市公牛电器有限公司 | Easily-connected power converter |
| CN208571937U (en) * | 2018-04-02 | 2019-03-01 | 阳光电源股份有限公司 | A kind of inverter and its external connecting wire structure |
| CN208723794U (en) * | 2018-09-04 | 2019-04-09 | 阳光电源股份有限公司 | Photovoltaic DC-to-AC converter |
| CN209709960U (en) * | 2019-05-29 | 2019-11-29 | 阳光电源股份有限公司 | A kind of inverter and its inverter wiring system |
| CN216123249U (en) * | 2021-07-12 | 2022-03-22 | 易事特集团股份有限公司 | Inverter with a voltage regulator |
-
2021
- 2021-07-12 CN CN202110787611.5A patent/CN113412019A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719603A (en) * | 2010-02-01 | 2010-06-02 | 慈溪市公牛电器有限公司 | Easily-connected power converter |
| CN208571937U (en) * | 2018-04-02 | 2019-03-01 | 阳光电源股份有限公司 | A kind of inverter and its external connecting wire structure |
| CN208723794U (en) * | 2018-09-04 | 2019-04-09 | 阳光电源股份有限公司 | Photovoltaic DC-to-AC converter |
| CN209709960U (en) * | 2019-05-29 | 2019-11-29 | 阳光电源股份有限公司 | A kind of inverter and its inverter wiring system |
| CN216123249U (en) * | 2021-07-12 | 2022-03-22 | 易事特集团股份有限公司 | Inverter with a voltage regulator |
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