CN109361234A - Based on photovoltaic parallel in system nonlinear Control circuit - Google Patents
Based on photovoltaic parallel in system nonlinear Control circuit Download PDFInfo
- Publication number
- CN109361234A CN109361234A CN201811207467.8A CN201811207467A CN109361234A CN 109361234 A CN109361234 A CN 109361234A CN 201811207467 A CN201811207467 A CN 201811207467A CN 109361234 A CN109361234 A CN 109361234A
- Authority
- CN
- China
- Prior art keywords
- control box
- circuit
- control circuit
- drainpipe
- bottom end
- 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
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 30
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 15
- 239000001569 carbon dioxide Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 3
- 244000152100 Sorbus torminalis Species 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000010985 leather Substances 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 17
- 238000009434 installation Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000002609 anti-worm Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 241000255925 Diptera Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H02J3/383—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses in photovoltaic parallel in system nonlinear Control circuit, including support leg, insulation rubber pad, control box, drainpipe, check valve, fly net, Rainproof breathable, fire resistant doorsets, bidirectional hydraulic device, support rod, connect pedestal, terminal block and circuit fixed plate, the support leg bottom end is equipped with insulation rubber pad, and support leg top is equipped with control box, the control box bottom end is connected with drainpipe, the drainpipe has been internally embedded check valve, and drainpipe bottom end is equipped with fly net, structure of the invention is scientific and reasonable, it is safe and convenient to use, drainpipe and check valve are passed through, it can be in order to the ponding in discharging operation case, ponding is prevented to cause the damage of control circuit in control box, and the connection of bidirectional hydraulic device and support rod is passed through, so as to increase or reduce the height of circuit fixed plate, consequently facilitating not Installation with control circuit with put, so as to prevent air from making moist, lead to bottom component damage in control circuit.
Description
Technical field
The present invention relates to nonlinear Control field of circuit technology, specially based on photovoltaic parallel in system nonlinear Control electricity
Road.
Background technique
Grid-connected photovoltaic grid-connected system can by solar battery array export DC conversion be with the same width of network voltage,
With frequency, with the alternating current of phase, and realize and connect with power grid and to power grid conveying electric energy, the flexibility of this electricity generation system is,
When sunshine is stronger, extra electric energy is sent into power grid while powering to AC load by photovoltaic generating system；And work as sunshine
When deficiency, i.e. solar battery array cannot provide enough electric energy for load, and it is load supplying that electric energy can be asked for from power grid.
But currently on the market based on photovoltaic parallel in system nonlinear Control circuit, the product being not easy in discharging operation case
Water results in the damage that ponding causes control circuit in control box, it is not possible to increase or reduce the height of circuit fixed plate, no
Convenient for the installation of different control circuits with put, so as to cause air to make moist, bottom component is caused in control circuit to damage
It is bad, it when there is control circuit failure, cannot put out a fire to control circuit, result in control circuit damage bring one
The harm of series, and when outdoor application, it is easy to be reduced the safety of control circuit by the interference being struck by lightning.
Summary of the invention
The present invention, which provides, is based on photovoltaic parallel in system nonlinear Control circuit, can effectively solve to mention in above-mentioned background technique
The ponding being not easy in discharging operation case out results in the damage that ponding causes control circuit in control box, it is not possible to increase or
Person reduces the height of circuit fixed plate, is not easy to the installations of different control circuits and puts, and so as to cause air to make moist, leads
Cause bottom component damage in control circuit that cannot put out a fire, lead to control circuit when there is control circuit failure
It has caused control circuit to damage a series of harm of bring, and when outdoor application, has been easy to be reduced by the interference being struck by lightning
The problem of safety of control circuit.
To achieve the above object, the invention provides the following technical scheme: being based on photovoltaic parallel in system nonlinear Control circuit,
Including support leg, insulation rubber pad, control box, drainpipe, check valve, fly net, Rainproof breathable, fire resistant doorsets, bidirectional hydraulic
Device, support rod, connection pedestal, terminal block, circuit fixed plate, sliding block, guide rail, top cover, rhone, carbon dioxide extinguisher, row
Tracheae, applicator and lightning rod, the support leg bottom end is equipped with insulation rubber pad, and support leg top is equipped with operation
Case, the control box bottom end are connected with drainpipe, and the drainpipe has been internally embedded check valve, and drainpipe bottom end be equipped with it is anti-
Worm net, the control box side is equipped with Rainproof breathable, and fire resistant doorsets are equipped in the middle part of control box, in the control box inside
Portion is equipped with bidirectional hydraulic device, and bidirectional hydraulic device both ends bottom side is mounted on support rod, and the support rod bottom end passes through company
It connects pedestal to connect with support rod, bidirectional hydraulic device top is equipped with terminal block, and it is solid that the terminal block top is equipped with circuit
Fixed board, the fixed back of the circuit are equipped with sliding block, and the sliding block is connect with control box by guide rail, the control box top
Top cover is installed, the top cover surface offers rhone, and top cover top is equipped with carbon dioxide extinguisher, the titanium dioxide
Carbon fire extinguisher bottom end is connected with exhaust pipe, and the exhaust pipe bottom end is equipped with applicator, the carbon dioxide extinguisher side
Lightning rod is installed.
Preferably, it is contemplated that the symmetry of single-phase circuit can regard single-phase grid-connected inverter circuit as two double half-bridges
Unit, corresponding one-way electric power are divided into two power supplys, e1=- e2=e/2, and inductance is also classified into L1=L2=L/2, can thus obtain
To the state equation of the single-phase grid-connected inverter based on switch function:
。
Preferably, sieve is installed on the inside of the Rainproof breathable.
Preferably, the rebasing end of the insulation rubber is provided with anti-skid chequer.
Preferably, the drainpipe and check valve junction are equipped with sealing ring.
Preferably, the fixed plate surface of the circuit is provided with insulated paint.
Compared with prior art, beneficial effects of the present invention: structure of the invention is scientific and reasonable, safe and convenient to use, passes through
Drainpipe and check valve, can be in order to the ponding in discharging operation case, it is therefore prevented that ponding causes control circuit in control box
Damage, and passed through the connection of bidirectional hydraulic device and support rod, so as to increase or reduce the height of circuit fixed plate, from
And be convenient for the installation of different control circuits and put, so as to prevent air from making moist, lead to bottom component in control circuit
Damage, has passed through carbon dioxide extinguisher, exhaust pipe and applicator, can in order to when there is control circuit failure,
Applicator quickly opens carbon dioxide extinguisher, puts out a fire to control circuit, it is therefore prevented that control circuit damages bring
A series of harm, and pass through lightning rod, it is therefore prevented that when outdoor application, by the interference being struck by lightning, improve control
The safety of circuit, and passed through sliding block and guide rail, it can moving up and down in order to circuit fixed plate.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is bidirectional hydraulic device mounting structure schematic diagram of the invention；
Fig. 3 is the structural schematic diagram of A in Fig. 2 of the invention；
Fig. 4 is sliding block mounting structure schematic diagram of the invention；
Fig. 5 is circuit diagram of the invention；
Figure label: 1, support leg；2, insulation rubber pad；3, control box；4, drainpipe；5, check valve；6, fly net；7, rain-proof
Transom；8, fire resistant doorsets；9, bidirectional hydraulic device；10, support rod；11, pedestal is connected；12, terminal block；13, circuit fixed plate；
14, sliding block；15, guide rail；16, top cover；17, rhone；18, carbon dioxide extinguisher；19, exhaust pipe；20, applicator；21,
Lightning rod.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment: as shown in Figs. 1-5, the present invention provides technical solution, is based on photovoltaic parallel in system nonlinear Control circuit,
Including support leg 1, insulation rubber pad 2, control box 3, drainpipe 4, check valve 5, fly net 6, Rainproof breathable 7, fire resistant doorsets 8,
Bidirectional hydraulic device 9, support rod 10, connection pedestal 11, terminal block 12, circuit fixed plate 13, sliding block 14, guide rail 15, top cover 16, row
Sink 17, carbon dioxide extinguisher 18, exhaust pipe 19, applicator 20 and lightning rod 21,1 bottom end of support leg are equipped with insulation rubber
Leather packing 2, in order to increase the frictional force that insulation rubber pads 2 bottom ends, insulation rubber pads 2 bottom ends and is provided with anti-skid chequer, 1 top of support leg
Control box 3 is installed, 3 bottom end of control box is connected with drainpipe 4, and drainpipe 4 has been internally embedded check valve 5, has drained in order to prevent
Pipe 4 and 5 junction of check valve are seeped water, and drainpipe 4 and 5 junction of check valve are equipped with sealing ring, and 4 bottom end of drainpipe is equipped with anti-
Worm net 6,3 side of control box are equipped with Rainproof breathable 7, enter mosquito, Rainproof breathable on the inside of Rainproof breathable 7 in order to prevent
7 insides are equipped with sieve, and fire resistant doorsets 8 are equipped in the middle part of control box 3, and 3 middle inside of control box is equipped with bidirectional hydraulic device 9,
9 both ends bottom side of bidirectional hydraulic device is mounted on support rod 10, and 10 bottom end of support rod is connect by connecting pedestal 11 with support rod 10,
9 top of bidirectional hydraulic device is equipped with terminal block 12, and 12 top of terminal block is equipped with circuit fixed plate 13, fixes to increase circuit
The safety of plate 13,13 surface of circuit fixed plate are provided with insulated paint, and 13 back side of circuit fixed plate is equipped with sliding block 14, sliding block 14
It is connect with control box 3 by guide rail 15,3 top of control box is equipped with top cover 16, and 16 surface of top cover offers rhone 17, and pushes up
16 top of lid is equipped with carbon dioxide extinguisher 18, and 18 bottom end of carbon dioxide extinguisher is connected with exhaust pipe 19,19 bottom of exhaust pipe
End is equipped with applicator 20, and 18 side of carbon dioxide extinguisher is equipped with lightning rod 21.
In view of the symmetry of single-phase circuit, single-phase grid-connected inverter circuit can be regarded as two double half-bridge cells, phase
The one-way electric power answered is divided into two power supplys, e1=- e2=e/2, and inductance is also classified into L1=L2=L/2, can be obtained by be based in this way
The state equation of the single-phase grid-connected inverter of switch function:
。
The working principle of the invention and process for using: control box 3 is moved to desired position by user, passes through fire resistant doorsets
8 are mounted on control circuit on the surface of circuit fixed plate 13, push bidirectional hydraulic device 9 manually, have passed through bidirectional hydraulic device 9 and branch
The connection of strut 10 is installed so as to increase or reduce the height of circuit fixed plate 13 at the back side of circuit fixed plate 13
There is sliding block 14, guide rail 15 is installed in the junction of control box 3 and sliding block 14, it can be in order to being moved down in circuit fixed plate 13
It is dynamic, consequently facilitating the installation of different control circuits with put, can prevent air from making moist, lead to bottom component in control circuit
Damage closes 8 fire resistant doorsets, passes through lightning rod 21, it is therefore prevented that when outdoor application, by the interference being struck by lightning, improve control
The safety of circuit processed, when there is control circuit failure, applicator 20 quickly opens carbon dioxide extinguisher 18,
It puts out a fire to control circuit, it is therefore prevented that control circuit damages a series of harm of bring, when ponding occurs in control box 3
Wait, water flow is flowed out by drainpipe 4, and fly net 6 can prevent small insect from entering in control box 3, check valve 5 prevent water by
It flows back to extraneous wind-force, it is ensured that the safety and stablization of control circuit.
Finally, it should be noted that being not intended to restrict the invention the foregoing is merely preferred embodiment of the invention, to the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention
Within the scope of shield.
Claims (6)
1. being based on photovoltaic parallel in system nonlinear Control circuit, including support leg (1), insulation rubber pad (2), control box (3), row
Water pipe (4), check valve (5), fly net (6), Rainproof breathable (7), fire resistant doorsets (8), bidirectional hydraulic device (9), support rod (10),
Connect pedestal (11), terminal block (12), circuit fixed plate (13), sliding block (14), guide rail (15), top cover (16), rhone (17),
Carbon dioxide extinguisher (18), exhaust pipe (19), applicator (20) and lightning rod (21), it is characterised in that: the support leg
(1) bottom end is equipped with insulation rubber pad (2), and support leg (1) top is equipped with control box (3), and control box (3) bottom end connects
It is connected to drainpipe (4), the drainpipe (4) has been internally embedded check valve (5), and drainpipe (4) bottom end is equipped with fly net
(6), control box (3) side is equipped with Rainproof breathable (7), and is equipped with fire resistant doorsets (8) in the middle part of control box (3), described
Control box (3) middle inside is equipped with bidirectional hydraulic device (9), and bidirectional hydraulic device (9) the both ends bottom side is mounted on support rod
(10), support rod (10) bottom end is connect by connecting pedestal (11) with support rod (10), bidirectional hydraulic device (9) top
It is equipped with terminal block (12), terminal block (12) top is equipped with circuit fixed plate (13), circuit fixed plate (13) back
Face is equipped with sliding block (14), and the sliding block (14) is connect with control box (3) by guide rail (15), control box (3) the top peace
Equipped with top cover (16), top cover (16) surface is offered rhone (17), and top cover (16) top is equipped with carbon dioxide and goes out
Firearm (18), carbon dioxide extinguisher (18) bottom end are connected with exhaust pipe (19), and exhaust pipe (19) bottom end is equipped with
Applicator (20), carbon dioxide extinguisher (18) side are equipped with lightning rod (21).
2. according to claim 1 be based on photovoltaic parallel in system nonlinear Control circuit, which is characterized in that described to consider
The symmetry of single-phase circuit can regard single-phase grid-connected inverter circuit as two double half-bridge cells, corresponding one-way electric power
It is divided into two power supplys, e1=- e2=e/2, inductance is also classified into L1=L2=L/2, is can be obtained by this way based on the single-phase of switch function
The state equation of gird-connected inverter:
。
3. according to claim 1 be based on photovoltaic parallel in system nonlinear Control circuit, which is characterized in that the rain-proof is saturating
Sieve is installed on the inside of transom window (7).
4. according to claim 1 be based on photovoltaic parallel in system nonlinear Control circuit, which is characterized in that the insulation rubber
Leather packing (2) bottom end is provided with anti-skid chequer.
5. according to claim 1 be based on photovoltaic parallel in system nonlinear Control circuit, which is characterized in that the drainpipe
(4) sealing ring is installed with check valve (5) junction.
6. according to claim 1 be based on photovoltaic parallel in system nonlinear Control circuit, which is characterized in that the circuit is solid
Fixed board (13) surface is provided with insulated paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811207467.8A CN109361234A (en) | 2018-10-17 | 2018-10-17 | Based on photovoltaic parallel in system nonlinear Control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811207467.8A CN109361234A (en) | 2018-10-17 | 2018-10-17 | Based on photovoltaic parallel in system nonlinear Control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109361234A true CN109361234A (en) | 2019-02-19 |
Family
ID=65349552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811207467.8A Pending CN109361234A (en) | 2018-10-17 | 2018-10-17 | Based on photovoltaic parallel in system nonlinear Control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109361234A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110477837A (en) * | 2019-09-23 | 2019-11-22 | 珠海格力电器股份有限公司 | Dish-washing machine and its water discharge method equipped with flow control apparatus |
-
2018
- 2018-10-17 CN CN201811207467.8A patent/CN109361234A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110477837A (en) * | 2019-09-23 | 2019-11-22 | 珠海格力电器股份有限公司 | Dish-washing machine and its water discharge method equipped with flow control apparatus |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190219 |