CN111328226A - Installation box body for grid-connected interface device - Google Patents
Installation box body for grid-connected interface device Download PDFInfo
- Publication number
- CN111328226A CN111328226A CN202010112181.2A CN202010112181A CN111328226A CN 111328226 A CN111328226 A CN 111328226A CN 202010112181 A CN202010112181 A CN 202010112181A CN 111328226 A CN111328226 A CN 111328226A
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- China
- Prior art keywords
- grid
- spacing
- interface device
- limiting
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000010030 laminating Methods 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 238000003780 insertion Methods 0.000 abstract description 16
- 230000037431 insertion Effects 0.000 abstract description 16
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Classifications
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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
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- 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
-
- 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
- H05K5/02—Details
- H05K5/03—Covers
-
- 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
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses an installation box body for a grid-connected interface device, which comprises a shell and an end cover, wherein an opening at one end of the shell is arranged to form an accommodating cavity, a guide-in barrel with a matched shape is fixed on the end cover corresponding to the accommodating cavity, the guide-in barrel is arranged in a hollow manner, two insertion holes penetrating through the end cover are formed in the middle of the end cover, the insertion holes are arranged on the inner side of the guide-in barrel, limiting groove holes communicated with the insertion holes are further formed in the end cover, clamping mechanisms are inserted corresponding to the insertion holes and the limiting insertion holes, and the clamping mechanisms penetrate through and extend into the accommodating cavity of the shell; the middle part of the side wall of the shell is provided with a clamping slot hole for limiting and clamping the clamping mechanism. The installation box body for the grid-connected interface device is convenient for installing and disassembling the shell.
Description
Technical Field
The invention relates to the technical field of photovoltaic power generation, in particular to an installation box body for a grid-connected interface device.
Background
With the increasing seriousness of the conventional energy shortage problem and the increasing awareness of environmental protection and energy conservation, the development and utilization of renewable energy sources have become an energy strategy for sustainable development. Solar photovoltaic power generation, which directly converts solar energy into electric energy using the photovoltaic effect, is an important component of new energy and renewable energy, is considered as a new energy technology with the greatest development prospect in the world at present, and is the most potential power source.
The grid-connected interface device is usually installed at a grid-connected point, has the functions of measurement and control, protection and power quality monitoring on the grid-connected point, also has the functions of protocol conversion and telecontrol, establishes a communication bridge between a background master station and a bottom distributed power supply, and plays a role of starting and stopping.
Existing distributed grid-tie interface devices include a housing and various corresponding interface components located within the housing. One side of the shell is provided with an opening, and the opening end of the shell is connected with a cover plate through a fastener (such as a screw), so that the box body of the conventional grid-connected interface device is inconvenient to operate when being installed and opened and is not suitable for fast assembly.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, an object of the present invention is to provide a mounting box for a grid-connected interface device, which facilitates mounting and dismounting of a housing.
The technical scheme of the invention is as follows:
an installation box body for a grid-connected interface device comprises a shell and an end cover, wherein an opening at one end of the shell is provided with a containing cavity, the end cover is fixed with a guide-in cylinder with a matched shape corresponding to the containing cavity, the guide-in cylinder is arranged in a hollow mode, two insertion holes penetrating through the end cover are formed in the middle of the end cover, the insertion holes are formed in the inner side of the guide-in cylinder, limiting groove holes communicated with the insertion holes are further formed in the end cover, a clamping mechanism is inserted in the corresponding insertion holes and the limiting insertion holes, and the clamping mechanism penetrates through and extends into the containing cavity of the shell; the middle part of the side wall of the shell is provided with a clamping slot hole for limiting and clamping the clamping mechanism.
Furthermore, the limiting slot hole is cuboid.
Further, the clamping mechanism includes the adjusting knob, fixes the spacing post of adjusting knob tip with fix spacing portion on the spacing post, spacing portion is the bar that matches with spacing slotted hole shape, the diameter of spacing post slightly is less than the diameter of jack, spacing portion suits with the size and the distance of joint slotted hole, makes after spacing post is rotatory insert spacing portion just and establish to the joint slotted hole and the laminating setting.
Furthermore, the limiting columns can be detachably arranged.
Furthermore, spacing post is formed by connecting two parts of spiro union, spacing portion sets up and is keeping away from the part of adjusting knob, the joint direction of the screwing direction of spacing post and spacing portion suits.
Furthermore, spacing draw-in groove has been seted up in spacing portion, the correspondence be provided with on the lateral wall that the joint slotted hole is close to the end cover with the joint piece that spacing draw-in groove matches, the width of joint slotted hole with the total width of spacing portion, joint piece suits.
Furthermore, the lateral wall inboard of casing corresponds spacing post still is fixed with the structure of kick-backing for apply for give spacing post gives the resilience force, avoids spacing portion follow the downthehole roll-off of joint slot.
Furthermore, the rebounding mechanism comprises a sliding barrel with an opening, a threaded pin shaft arranged in the sliding barrel in a sliding mode, a limiting column penetrates into the inner cavity of the sliding barrel, the threaded pin shaft penetrates through a threaded nut at one end of the sliding barrel, a spring is sleeved in the sliding barrel, gaskets are arranged at the upper end and the lower end of the spring, and the diameter of each gasket is matched with the inner diameter of the sliding barrel.
The invention has the following beneficial effects: the limiting part can be abutted in the clamping groove hole by rotating the adjusting button after the clamping mechanism passes through the jack and the limiting groove hole, and the end cover is not easy to slide out, so that the limiting and fixing of the end cover are realized; by arranging the rebounding mechanism, the limiting column can stretch into the inner cavity of the sliding barrel and then downwards extrude the threaded pin shaft to compress the spring, so that the limiting part can be firmly clamped in the slot hole, the friction force between the limiting part and the wall surface of the clamping slot hole is increased, and the limiting part is not easy to loosen; the limiting columns in the clamping mechanism are in threaded connection, so that the adjusting buttons are conveniently arranged close to the end covers, and the limiting parts can be inserted into the clamping groove holes without excessively high machining precision; set up the joint piece in the joint slotted hole, set up corresponding spacing draw-in groove in spacing portion simultaneously, can further guarantee the stability and the reliability of spacing joint.
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 diagram of a grid-connected interface device;
FIG. 2 is a schematic diagram of a grid-connected interface device according to another embodiment;
FIG. 3 is a schematic structural view of the latch mechanism of FIG. 1;
FIG. 4 is a schematic structural view of the latch mechanism of FIG. 2;
FIG. 5 is a schematic structural view of the rebounding mechanism;
fig. 6 is a schematic view of the operation of the clamping mechanism.
In the figure: 1-a shell; 11-snap-fit slotted holes; 111-a card block; 2-end cap; 21-an introduction cylinder; 22-a jack; 23-a limiting slot hole; 3-a clamping mechanism; 31-a limiting column; 32-a limiting part; 321-a limit card slot; 33-an adjusting knob; 4-a rebound mechanism; 41-a slide cylinder; 42-a threaded pin shaft; 43-a gasket; 44-spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1 and 3, an installation box for a grid-connected interface device comprises a shell 1 and an end cover 2, wherein an opening at one end of the shell 1 is provided with an accommodating cavity for forming a wiring piece, the end cover 2 is fixed with a guide-in barrel 21 with matched shapes corresponding to the accommodating cavity, the guide-in barrel 21 is hollow, the middle part of the end cover 2 is provided with two insertion holes 22 penetrating through the end cover 2, the insertion holes 22 are arranged at the inner side of the guide-in barrel 21, the end cover 2 is also provided with a limit slotted hole 23 communicated with the insertion holes 22, the limit slotted hole 23 is cuboid, a clamping mechanism 3 is inserted corresponding to the insertion holes 22 and the limit jack 23, and the clamping mechanism 3 penetrates through and extends into the accommodating cavity; the middle part of the side wall of the shell 1 corresponding to the clamping mechanism 3 is provided with a clamping groove hole 11 for limiting and clamping the clamping mechanism 3.
As shown in fig. 3, the clamping mechanism 3 includes an adjusting knob 33 (the diameter of the adjusting knob 33 is larger than that of the insertion hole 22), (a limiting column 31 welded and fixed on the end of the adjusting knob 33), and a limiting portion 32 fixed on the limiting column 31. Wherein, spacing portion 32 is the bar that matches with spacing slotted hole 23 shape (spacing portion 32 size slightly is lighter than spacing slotted hole 23), and the diameter of spacing post 31 slightly is lighter than the diameter of jack 22, obviously spacing portion 32 can block into in the joint slotted hole 11 just after spacing post 31 passes jack 22 completely (when adjusting knob 33 hugs closely end cover 2 promptly) (spacing portion 32 suits with the size and the distance of joint slotted hole 11 for spacing portion 32 inserts and establishes to joint slotted hole 11 in and the laminating setting after spacing post 31 rotates). After the clamping mechanism 3 passes through the insertion hole 22 and the limiting groove hole 23, the limiting part 32 can be abutted in the clamping groove hole 11 by rotating the adjusting knob 33, and is not easy to slide out, so that the limiting fixation of the end cover 2 is realized (refer to the schematic diagram of the working principle in fig. 6).
The inner side of the side wall of the shell 1, corresponding to the limiting column 31, is further fixed with a rebound structure 4 for applying a rebound force to the limiting column 31 and preventing the limiting part 32 from sliding out of the clamping groove hole 11. Referring to fig. 5, the rebounding mechanism 4 includes a sliding barrel 41 with an opening, and a threaded pin 42 slidably disposed in the sliding barrel 41, the limiting column 31 penetrates through an inner cavity of the sliding barrel 41, the threaded pin 42 penetrates through one end of the sliding barrel 41 and is screwed with a nut, a spring 44 (the outer diameter of the spring 44 is matched with the inner diameter of the sliding barrel 41) is disposed in the sliding barrel 41 by the threaded pin 42, gaskets 43 are disposed at the upper and lower ends of the spring 44, the diameter of the gaskets 43 is matched with the inner diameter of the sliding barrel 41, and the stability of the spring 44 disposed in the inner cavity of the sliding barrel 41 can be ensured.
The resilient mechanism 4 is provided to make the position-limiting post 31 extend into the inner cavity of the sliding tube 41, and then compress the spring 44 after pressing the threaded pin 42 downward, so that the position-limiting portion 32 can be firmly engaged in the engaging slot 11, increasing the friction force with the wall surface of the engaging slot 11, and thus being not easy to loosen.
Referring to fig. 2 and 4, an improvement of the above embodiment is shown, in which the limiting post 31 is detachably disposed, in this embodiment, the limiting post 31 is formed by connecting two screwed parts, the limiting portion 32 is disposed at a part far from the adjusting knob 33, at this time, after the limiting portion 32 is clamped into the clamping groove hole 11, the limiting post 31 is further screwed down to enable the adjusting knob 33 to be tightly attached to the end cover wall surface (the screwing direction of the limiting post 31 is adapted to the clamping direction of the limiting portion 32, in this embodiment, the screwing direction is the same as the clamping direction); the limiting portion 32 is provided with a limiting slot 321, the corresponding side wall of the clamping slot hole 11 close to the end cover 2 is provided with a clamping block 111 matched with the limiting slot 321, and the width of the clamping slot hole 11 is adapted to the total width of the limiting portion 32 and the clamping block 111.
At this time, as shown in fig. 6, after the limiting post 31 penetrates through the end cover 2, the spring 44 in the resilient mechanism 4 is extruded to a certain extent, the limiting post 31 is rotated, the limiting portion 32 is screwed into the clamping groove hole 11 and the limiting clamping groove 321 is opposite to the clamping block 111, and after the limiting post 31 is loosened, the limiting portion 32 is clamped into the clamping block 111 under the resilient action of the spring 44; when the end cover needs to be opened, after the limiting column 31 is slightly unscrewed, the limiting column 31 is pushed inwards until the limiting part 32 is separated from the clamping block 111, and the clamping mechanism 3 can be taken out.
In the present application, the structures and the connection relations that are not described in detail are all the prior art, and the structures and the principles thereof are known in the prior art and are not described herein again.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a grid-connected interface device is with installation box, includes casing and end cover, casing one end opening sets up and forms the holding chamber, the end cover corresponds the holding chamber is fixed with the leading-in section of thick bamboo that the shape matches, leading-in section of thick bamboo cavity sets up its characterized in that: the middle part of the end cover is provided with two jacks which run through the end cover, the jacks are arranged on the inner side of the guide-in barrel, the end cover is also provided with a limit slotted hole which is communicated with the jacks, clamping mechanisms are inserted corresponding to the jacks and the limit jacks, and the clamping mechanisms penetrate through and extend into the accommodating cavity of the shell; the middle part of the side wall of the shell is provided with a clamping slot hole for limiting and clamping the clamping mechanism.
2. The installation box for a grid-connected interface device according to claim 1, characterized in that: the limiting slotted hole is cuboid.
3. The installation box for a grid-connected interface device according to claim 2, characterized in that: clamping mechanism includes the adjusting knob, fixes spacing post of adjusting knob tip and fixing spacing portion on the spacing post, spacing portion is the bar that matches with spacing slotted hole shape, the diameter of spacing post slightly is less than the diameter of jack, spacing portion suits with the size and the distance of joint slotted hole, makes after spacing post is rotatory insert spacing portion just and establish to the joint slotted hole in and the laminating setting.
4. The installation box for a grid-connected interface device according to claim 3, characterized in that: the limiting column can be detachably arranged.
5. The mounting box for a grid-connected interface device according to claim 4, wherein: spacing post is formed by connecting two parts of spiro union, spacing portion sets up keeps away from the part of adjusting knob, the joint direction of the screwing up direction and spacing portion of spacing post suits.
6. The installation box for a grid-connected interface device according to claim 5, characterized in that: spacing draw-in groove has been seted up in spacing portion, the correspondence be provided with on the lateral wall that the joint slotted hole is close to the end cover with spacing draw-in groove matched's joint piece, the width of joint slotted hole with the total width of spacing portion, joint piece suits.
7. The installation box for a grid-connected interface device according to any one of claims 3 to 6, characterized in that: the inner side of the side wall of the shell corresponds to the limiting column and is further fixed with a resilience structure used for applying resilience force to the limiting column and preventing the limiting part from sliding out of the clamping slotted hole.
8. The mounting box for a grid-connected interface device according to claim 8, characterized in that: the rebounding mechanism comprises a sliding barrel with an opening, a threaded pin shaft arranged in the sliding barrel in a sliding mode, a limiting column penetrates into an inner cavity of the sliding barrel, the threaded pin shaft penetrates through a threaded nut at one end of the sliding barrel, a spring is sleeved in the sliding barrel, gaskets are arranged at the upper end and the lower end of the spring, and the diameter of each gasket is matched with the inner diameter of the sliding barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112181.2A CN111328226A (en) | 2020-02-24 | 2020-02-24 | Installation box body for grid-connected interface device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112181.2A CN111328226A (en) | 2020-02-24 | 2020-02-24 | Installation box body for grid-connected interface device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111328226A true CN111328226A (en) | 2020-06-23 |
Family
ID=71168957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010112181.2A Pending CN111328226A (en) | 2020-02-24 | 2020-02-24 | Installation box body for grid-connected interface device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111328226A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202004048U (en) * | 2010-12-10 | 2011-10-05 | 深圳浩远电池材料有限公司 | Novel structure of lithium battery case |
| US20120024589A1 (en) * | 2010-07-30 | 2012-02-02 | Primecon Technology Ltd. | Shielding case |
| CN205582747U (en) * | 2016-04-18 | 2016-09-14 | 国家电网公司 | Multifunctional insulating operating rod |
| CN205583482U (en) * | 2016-01-27 | 2016-09-14 | 温州华港电气有限公司 | Cubical switchboard chassis dolly unlocking device |
| US20170142850A1 (en) * | 2015-11-13 | 2017-05-18 | Getac Technology Corporation | Casing device and insertion structure thereof |
| CN108925081A (en) * | 2018-07-28 | 2018-11-30 | 滁州安阳智能科技有限公司 | A kind of alarm easy to repair |
| CN208335991U (en) * | 2018-05-07 | 2019-01-04 | 廊坊市金装机械设备有限公司 | A kind of capacitor is explosion-proof to be easily assembled shell |
| CN208713535U (en) * | 2018-07-16 | 2019-04-09 | 安康金泰药业有限公司 | A kind of automatic high speed numerical control machine with protective device |
| CN209922838U (en) * | 2019-03-29 | 2020-01-10 | 江苏猎鹰机械有限公司 | Chain breakage detection device for telescopic chain of overhead working truck |
-
2020
- 2020-02-24 CN CN202010112181.2A patent/CN111328226A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120024589A1 (en) * | 2010-07-30 | 2012-02-02 | Primecon Technology Ltd. | Shielding case |
| CN202004048U (en) * | 2010-12-10 | 2011-10-05 | 深圳浩远电池材料有限公司 | Novel structure of lithium battery case |
| US20170142850A1 (en) * | 2015-11-13 | 2017-05-18 | Getac Technology Corporation | Casing device and insertion structure thereof |
| CN205583482U (en) * | 2016-01-27 | 2016-09-14 | 温州华港电气有限公司 | Cubical switchboard chassis dolly unlocking device |
| CN205582747U (en) * | 2016-04-18 | 2016-09-14 | 国家电网公司 | Multifunctional insulating operating rod |
| CN208335991U (en) * | 2018-05-07 | 2019-01-04 | 廊坊市金装机械设备有限公司 | A kind of capacitor is explosion-proof to be easily assembled shell |
| CN208713535U (en) * | 2018-07-16 | 2019-04-09 | 安康金泰药业有限公司 | A kind of automatic high speed numerical control machine with protective device |
| CN108925081A (en) * | 2018-07-28 | 2018-11-30 | 滁州安阳智能科技有限公司 | A kind of alarm easy to repair |
| CN209922838U (en) * | 2019-03-29 | 2020-01-10 | 江苏猎鹰机械有限公司 | Chain breakage detection device for telescopic chain of overhead working truck |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200623 |