CN206506173U - A kind of photovoltaic DC-to-AC converter inputs cabinet - Google Patents
A kind of photovoltaic DC-to-AC converter inputs cabinet Download PDFInfo
- Publication number
- CN206506173U CN206506173U CN201720218849.5U CN201720218849U CN206506173U CN 206506173 U CN206506173 U CN 206506173U CN 201720218849 U CN201720218849 U CN 201720218849U CN 206506173 U CN206506173 U CN 206506173U
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- CN
- China
- Prior art keywords
- copper bar
- insulation
- insulator
- fixing plate
- framework
- 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.)
- Expired - Fee Related
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- Inverter Devices (AREA)
Abstract
The utility model is related to a kind of photovoltaic DC-to-AC converter input cabinet, and framework lower end is provided with the grounding copper bar being located on insulated enclosure plate;Insulated enclosure plate two ends are provided with the second insulator being located on fixed support;The first insulation fixing plate, insulation fixed beam and the second insulation fixing plate are sequentially provided with framework from top to bottom;The upper end of first insulation fixing plate is provided with Surge Protector;The side wall of framework is provided with N poles copper bar;Two the first insulators that Surge Protector two ends are set provided with being connected;First insulator is connected by copper bar B and copper bar A with fuse;Provided with two the first breaker assemblies between first insulation fixing plate and insulation fixed beam;The second breaker assembly is provided between the fixed beam that insulate and the second insulation fixing plate;Input copper bar is connected with first breaker assembly and the second breaker assembly;First breaker assembly and the second breaker assembly are provided with P poles copper bar;P grades of copper bars are connected with fuse and the second insulator respectively;Product is easily installed maintenance, and cable connection working space is big.
Description
Technical field
The utility model belongs to electrical equipment, more particularly to a kind of photovoltaic DC-to-AC converter input cabinet.
Background technology
Photovoltaic DC-to-AC converter is also known as feed regulator isolator, can be divided into self according to purposes of the inverter in photovoltaic generating system
Power supply is used and grid-connected with two kinds.Square-wave inverter, ladder inverter, sine wave inverter can be divided into according to waveform modulated mode again
Device and Three-Phase Inverter.For the inverter for grid-connected system, according to there is transless to be divided into transformer type again
Inverter and without become transformer type inverter.
In short supply with the energy, solar energy is as a kind of new energy, and it is using increasingly popularizing, photovoltaic DC-to-AC converter technology
It is more and more ripe, but there are some shortcomings in the built-in arrangement of photovoltaic DC-to-AC converter at present:First, the input of photovoltaic DC-to-AC converter
Cabinet MCCB(Breaker of plastic casing)Connecting copper bar is all a direction arrangement, and is distinguished without indicating, and easily obscures P poles and N poles,
Human users' difficulty is larger;Second, in the input system of current photovoltaic DC-to-AC converter, dc circuit breaker MCCB is laterally to pacify successively
Dress is, it is necessary to occupy the larger space of input cabinet, and the working space for leaving cable connection etc. for is smaller.Add the difficulty of wiring operation
Degree;3rd, dc circuit breaker MCCB is single carry out assembling operation in the input cabinet of photovoltaic DC-to-AC converter, adds operating personnel's
After activity duration, assembled part dc circuit breaker MCCB, with the reduction in remaining space, task difficulty is increased.Once one
Dc circuit breaker MCCB breaks down, and the overall operational effect of very big influence inverter, maintenance replacement operation is also comparatively laborious, by
In there are shortcomings so that photovoltaic DC-to-AC converter technology can not be applied preferably.
Utility model content
The utility model purpose is to provide one kind in order to overcome the deficiencies in the prior art and be easily installed maintenance, safety coefficient
Height, and the big photovoltaic DC-to-AC converter input cabinet of cable working space.
To reach above-mentioned purpose, the technical solution adopted in the utility model is:A kind of photovoltaic DC-to-AC converter inputs cabinet, including frame
Body, insulated enclosure plate, grounding copper bar, fixed support, the first insulator, the second insulator, the first insulation fixing plate, the second insulation
Fixed plate, insulation fixed beam, fixed cross beam A, Surge Protector, input copper bar, N poles copper bar, connecting copper bar, P grades of copper bars, first
Insulator, copper bar B, copper bar A, fuse, connecting terminal block A and connecting terminal block B;The framework interior lower end is provided with insulated enclosure
Plate;The insulated enclosure plate is provided with grounding copper bar;The insulated enclosure plate two ends are provided with fixed support;On the fixed support
Provided with the second insulator;The first insulation fixing plate, insulation fixed beam and the second insulation are sequentially provided with the framework from top to bottom
Fixed plate;The insulation fixed beam is connected with the fixed cross beam A positioned at framework two ends;In the upper end of first insulation fixing plate
Between be provided with Surge Protector;Side wall in the framework positioned at Surge Protector side is provided with N poles copper bar;The surge protection
Device two ends are respectively equipped with two the first insulators of the setting that is connected;First insulator passes through copper bar B and copper bar A and fuse phase
Even;Provided with two the first breaker assemblies between the first insulation fixing plate lower end and insulation fixed beam;The insulation is fixed
The second breaker assembly provided with the corresponding connection with two the first breaker assemblies between beam and the second insulation fixing plate;It is described
It is also associated with inputting copper bar on first breaker assembly and the second breaker assembly;First breaker assembly and the second open circuit
Device assembly side is provided with P poles copper bar;The P grades of copper bar is connected with fuse and the second insulator respectively by connecting copper bar;It is described
The structure of first breaker assembly and the second breaker assembly is identical, by about four dc circuit breakers for being sequentially connected in series setting
Constitute;The frame side wall is provided with connecting terminal block A and connecting terminal block B.
It is preferred that, the fixed cross beam A and support bracket fastened material are metal plate.
It is preferred that, the connecting terminal block A is located above connecting terminal block B.
It is preferred that, the framework both sides are additionally provided with cabling channel.
It is preferred that, the framework lower end is provided with the left channel-section steel and right channel-section steel being oppositely arranged.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art:This practicality is new
The photovoltaic DC-to-AC converter input cabinet of type scheme, compact overall structure, safety guarantee is high, and the space of cable connection operation is big, while just
In installing and repairing, with higher practical value, the requirement in having met actual production and having installed has been easy to photovoltaic inversion
The use of device.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is the partial enlarged drawing in accompanying drawing 1.
Accompanying drawing 3 is the side view of accompanying drawing 1.
Accompanying drawing 4 is the partial enlarged drawing in accompanying drawing 3.
Accompanying drawing 5 is the partial enlarged drawing in accompanying drawing 3.
Wherein:1st, framework;2nd, insulated enclosure plate;3rd, grounding copper bar;4th, fixed support;5th, the second insulator;6th, first is exhausted
Edge fixed plate;7th, the second insulation fixing plate;8th, fixed cross beam A;9th, Surge Protector;10th, N poles copper bar;11st, the first insulator;
12nd, copper bar B;13rd, copper bar A;14th, fuse;15th, connecting terminal block A;16th, connecting terminal block B;17th, cabling channel;18th, left channel-section steel;
19th, right channel-section steel;20th, copper bar is inputted;21st, P grades of copper bars;22nd, dc circuit breaker;24th, insulate fixed beam;25th, connecting copper bar.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
A kind of photovoltaic DC-to-AC converter input cabinet described in the utility model as shown in accompanying drawing 1-5, including framework 1, insulate it is close
Shrouding 2, grounding copper bar 3, fixed support 4, the first insulator 11, the second insulator 5, the insulation of the first insulation fixing plate 6, second are solid
Fixed board 7, insulation fixed beam 24, fixed cross beam A8, Surge Protector 9, input copper bar 20, N poles copper bar 10, connecting copper bar 25, P grades
Copper bar 21, the first insulator 11, copper bar B12, copper bar A13, fuse 14, connecting terminal block A15 and connecting terminal block B16;It is described
The interior lower end of framework 1 is provided with insulated enclosure plate 2;The insulated enclosure plate 2 is provided with grounding copper bar 3;2 liang of the insulated enclosure plate
End is provided with fixed support 4;The fixed support 4 is provided with the second insulator 5;Is sequentially provided with the framework 1 from top to bottom
One insulation fixing plate 6, the insulation insulation fixing plate 7 of fixed beam 24 and second;The insulation fixed beam 24 is with being located at the two ends of framework 1
Fixed cross beam A8 is connected;Surge Protector 9 is provided with the middle of the upper end of first insulation fixing plate 6;It is located at wave in the framework 1
The side wall of the side of surge protector 9 is provided with N poles copper bar 10;The two ends of Surge Protector 9 are respectively equipped with two of the setting that is connected
First insulator 11;First insulator 11 is connected by copper bar B12 and copper bar A13 with fuse 14;First insulation is solid
Provided with two the first breaker assemblies between the lower end of fixed board 6 and insulation fixed beam 24;The insulation fixed beam 24 and second insulate
The second breaker assembly of connection corresponding with two the first breaker assemblies is provided between fixed plate 7;First breaker
It is also associated with inputting copper bar 20 on component and the second breaker assembly;First breaker assembly and the second breaker assembly one
Side is provided with P poles copper bar 21;The P grades of copper bar 21 is connected with the insulator 5 of fuse 14 and second respectively by connecting copper bar 25;It is described
The structure of first breaker assembly and the second breaker assembly is identical, by about four dc circuit breakers for being sequentially connected in series setting
22 are constituted;The side wall of framework 1 is provided with connecting terminal block A15 and connecting terminal block B16;The fixed cross beam A8 and fixed branch
The material of frame 4 is metal plate;The connecting terminal block A15 is located above connecting terminal block B16:The both sides of framework 1 are additionally provided with away
Wire casing 17;The lower end of framework 1 is provided with the left channel-section steel 18 and right channel-section steel 19 being oppositely arranged.
Photovoltaic DC-to-AC converter of the present utility model inputs cabinet, and all P poles copper bar directions are arranged forward, and N poles copper bar is to heel row
Row, the direction and position of P poles copper bar and N poles copper bar are clear and legible so in practical operation, reduce task difficulty, reduce hair
The possibility of raw mistake, improves safety guarantee;And multiple dc circuit breakers are erect and to placement, to realize increase electricity
The space of cable wiring operation, facilitates implementation wiring work operations;Four direct-current short circuit devices four are constituted into a module, then
Directly it is assembled into modular form in the utility model, realizes the multi input of input system, convenient to install, maintenance etc. is met
Actual use demand.
Photovoltaic DC-to-AC converter of the present utility model inputs cabinet, and compact overall structure, safety guarantee is high, the sky of cable connection operation
Between it is big, be easy for installation and maintenance simultaneously, with higher practical value, the requirement in having met actual production and having installed is easy to
Use to photovoltaic DC-to-AC converter.
It the above is only concrete application example of the present utility model, any limit do not constituted to protection domain of the present utility model
System.Technical scheme formed by all use equivalent transformation or equivalent replacements, all fall within the utility model rights protection scope it
It is interior.
Claims (5)
1. a kind of photovoltaic DC-to-AC converter inputs cabinet, it is characterised in that:Including framework, insulated enclosure plate, grounding copper bar, fixed support,
First insulator, the second insulator, the first insulation fixing plate, the second insulation fixing plate, insulation fixed beam, fixed cross beam A, surge
Protector, input copper bar, N poles copper bar, connecting copper bar, P grades of copper bars, the first insulator, copper bar B, copper bar A, fuse, binding posts
Arrange A and connecting terminal block B;The framework interior lower end is provided with insulated enclosure plate;The insulated enclosure plate is provided with grounding copper bar;
The insulated enclosure plate two ends are provided with fixed support;The fixed support is provided with the second insulator;In the framework on to
Under be sequentially provided with the first insulation fixing plate, insulation fixed beam and the second insulation fixing plate;The insulation fixed beam is with being located at framework
The fixed cross beam A at two ends is connected;Surge Protector is provided with the middle of the upper end of first insulation fixing plate;It is located in the framework
The side wall of Surge Protector side is provided with N poles copper bar;The Surge Protector two ends are respectively equipped with two of the setting that is connected the
One insulator;First insulator is connected by copper bar B and copper bar A with fuse;The first insulation fixing plate lower end and absolutely
Provided with two the first breaker assemblies between edge fixed beam;It is provided with and two between the insulation fixed beam and the second insulation fixing plate
Second breaker assembly of the individual corresponding connection of first breaker assembly;First breaker assembly and the second breaker assembly
On be also associated with input copper bar;First breaker assembly and the second breaker assembly side are provided with P poles copper bar;It is described P grades
Copper bar is connected with fuse and the second insulator respectively by connecting copper bar;First breaker assembly and the second breaker assembly
Structure it is identical, constituted by about four dc circuit breakers for being sequentially connected in series setting;The frame side wall is provided with terminals
Son row A and connecting terminal block B.
2. photovoltaic DC-to-AC converter according to claim 1 inputs cabinet, it is characterised in that:The fixed cross beam A and fixed support
Material be metal plate.
3. photovoltaic DC-to-AC converter according to claim 2 inputs cabinet, it is characterised in that:The connecting terminal block A is located at wiring
Above terminal block B.
4. the photovoltaic DC-to-AC converter input cabinet according to any one of claim 1-3, it is characterised in that:The framework both sides are also
Provided with cabling channel.
5. photovoltaic DC-to-AC converter according to claim 1 inputs cabinet, it is characterised in that:The framework lower end is provided with and is oppositely arranged
Left channel-section steel and right channel-section steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720218849.5U CN206506173U (en) | 2017-03-08 | 2017-03-08 | A kind of photovoltaic DC-to-AC converter inputs cabinet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720218849.5U CN206506173U (en) | 2017-03-08 | 2017-03-08 | A kind of photovoltaic DC-to-AC converter inputs cabinet |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206506173U true CN206506173U (en) | 2017-09-19 |
Family
ID=59841656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720218849.5U Expired - Fee Related CN206506173U (en) | 2017-03-08 | 2017-03-08 | A kind of photovoltaic DC-to-AC converter inputs cabinet |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206506173U (en) |
-
2017
- 2017-03-08 CN CN201720218849.5U patent/CN206506173U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20200308 |
|
CF01 | Termination of patent right due to non-payment of annual fee |