CN207184029U - One kind is used for photovoltaic off-grid protection system - Google Patents
One kind is used for photovoltaic off-grid protection system Download PDFInfo
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- CN207184029U CN207184029U CN201721051214.7U CN201721051214U CN207184029U CN 207184029 U CN207184029 U CN 207184029U CN 201721051214 U CN201721051214 U CN 201721051214U CN 207184029 U CN207184029 U CN 207184029U
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- photovoltaic
- load
- breaker
- controller
- check device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses one kind to be used for photovoltaic off-grid protection system,Including distributed photovoltaic component,Voltage check device,Breaker,Photovoltaic controller,Batteries,Photovoltaic DC-to-AC converter,DC load and AC load,The side of distributed photovoltaic power generation component is provided with voltage check device,The side of voltage check device is provided with breaker,The side of photovoltaic controller is provided with batteries,The side of photovoltaic DC-to-AC converter is provided with DC load,The opposite side of photovoltaic DC-to-AC converter is provided with AC load,The utility model is by setting voltage check device to be detected to the voltage of photovoltaic module,By setting photovoltaic controller,Photovoltaic controller and breaker are simultaneously electrically connected with by breaker,When electric voltage exception, photovoltaic controller can control breaker disconnecting circuit,Whole system is temporarily ceased work and prompt staff to come to repair with this,It is practical.
Description
Technical field
A kind of protection system is the utility model is related to, it is more particularly to a kind of to be used for photovoltaic off-grid protection system.
Background technology
It is well known that off-network type photovoltaic generating system be widely used in remote mountain area, non-Electric region, island, communication base station and
The application places such as street lamp, photovoltaic arrays convert the solar into electric energy in the case where there is illumination, pass through solar charging/discharging control
Device powering load processed, while battery charging is given, in no light, by solar charging discharging controller by batteries
Powered to DC load, while battery will also be powered directly to separate inverter unit, and alternating current is reverse into by separate inverter unit,
Powered to AC load.
But photovoltaic off-grid electricity generation system can not obtain due to being not connected with national grid when its voltage or current anomaly
Timely repair, make whole electricity generation system failure and can not work on, it is therefore desirable to improved, designed regarding to the issue above
A kind of protection system to be generated electricity for photovoltaic off-grid.
Utility model content
The technical problems to be solved in the utility model is the defects of overcoming prior art, there is provided one kind is used for photovoltaic off-grid and protected
Protecting system, it can accomplish that photovoltaic controller can control breaker disconnecting circuit when electric voltage exception, make whole system temporarily cease work
Make and prompt staff to come to repair with this.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
The utility model is a kind of to be used for photovoltaic off-grid protection system, including distributed photovoltaic component, voltage check device, disconnected
Road device, photovoltaic controller, batteries, photovoltaic DC-to-AC converter, DC load and AC load, the distributed photovoltaic power generation component
Side be provided with voltage check device, the side of the voltage check device is provided with breaker, the side of the breaker
Photovoltaic controller is provided with, the side of the photovoltaic controller is provided with batteries, and the opposite side of the photovoltaic controller has
Photovoltaic DC-to-AC converter, the side of the photovoltaic DC-to-AC converter are provided with DC load, and the opposite side of the photovoltaic DC-to-AC converter is provided with friendship
Current load, the distributed photovoltaic component, voltage check device, breaker, photovoltaic controller, batteries, photovoltaic DC-to-AC converter,
DC load and AC load are electrically connected with by electric wire.
As a kind of optimal technical scheme of the present utility model, the photovoltaic electrification component include silicon chip of solar cell and
Single-chip microcomputer, the single-chip microcomputer are electrically connected with silicon chip of solar cell.
As a kind of optimal technical scheme of the present utility model, the breaker include auxiliary contact, shunt release and
Under-voltage release, the auxiliary contact are electrically connected with shunt release, under-voltage release.
As a kind of optimal technical scheme of the present utility model, the photovoltaic DC-to-AC converter includes boosting loop and inversion bridge-type
Loop, the boosting loop and inversion bridge type return are electrically connected with.
As a kind of optimal technical scheme of the present utility model, the surface of the photovoltaic controller is provided with control panel,
The side of the control panel is provided with photovoltaic input lock, and the side of the photovoltaic input lock is provided with battery input lock, described
The side of battery input lock is provided with exchange input lock.
Compared with prior art, the beneficial effects of the utility model are as follows：
The utility model is by setting voltage check device to be detected to the voltage of photovoltaic module, by setting photovoltaic
Photovoltaic controller and breaker are simultaneously electrically connected with by controller, breaker, the controllable open circuit of photovoltaic controller when electric voltage exception
Device disconnecting circuit, whole system is temporarily ceased work and prompt staff to come to repair with this, it is practical.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is schematic diagram of the present utility model；
Fig. 2 is the structural representation of the utility model photovoltaic controller；
Fig. 3 is the structural representation of the utility model photovoltaic electrification component；
Fig. 4 is the structural representation of the utility model voltage check device；
Fig. 5 is the structural representation of the utility model breaker；
Fig. 6 is the structural representation of the utility model photovoltaic DC-to-AC converter；
Fig. 7 is the circuit theory diagrams of the utility model breaker；
In figure：1st, distributed photovoltaic component；2nd, voltage check device；3rd, breaker；4th, photovoltaic controller；5th, battery
Group；6th, photovoltaic DC-to-AC converter；7th, DC load；8th, AC load；9th, silicon chip of solar cell；10th, single-chip microcomputer；11st, inversion bridge-type
Loop；12nd, sensitive galvanometer；13rd, circuit is detected；14th, feedback circuit；15th, auxiliary contact；16th, shunt release；17th, electricity is owed
Press electrical apparatus release；18th, boosting loop；19th, control panel；20th, photovoltaic input lock；21st, battery input lock；22nd, exchange input lock.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment 1
As shown in figs. 1-7, the utility model provides a kind of photovoltaic off-grid that is used for and protects system, including distributed photovoltaic component
1st, voltage check device 2, breaker 3, photovoltaic controller 4, batteries 5, photovoltaic DC-to-AC converter 6, DC load 7 and AC load
8, the side of distributed photovoltaic power generation component 1 is provided with voltage check device 2, and the side of voltage check device 2 is provided with open circuit
Device 3, the side of breaker 3 are provided with photovoltaic controller 4, and the side of photovoltaic controller 4 is provided with batteries 5, photovoltaic control
The opposite side of device 4 has a photovoltaic DC-to-AC converter 6, and the side of photovoltaic DC-to-AC converter 6 is provided with DC load 7, photovoltaic DC-to-AC converter 6 it is another
Side is provided with AC load 8, distributed photovoltaic component 1, voltage check device 2, breaker 3, photovoltaic controller 4, batteries
5th, photovoltaic DC-to-AC converter 6, DC load 7 and AC load 8 are electrically connected with by electric wire.
Further, photovoltaic electrification component 1 includes silicon chip of solar cell 9 and single-chip microcomputer 10, single-chip microcomputer 10 and solar energy
Cell silicon chip 9 is electrically connected with, and single-chip microcomputer 10 controls silicon chip of solar cell 9 to start working.
Voltage check device 2 includes sensitive galvanometer 12, detection circuit 13 and feedback circuit 14, sensitive galvanometer 12, inspection
Slowdown monitoring circuit 13 and feedback circuit 14 are electrically connected with, magnitude of voltage of the sensitive galvanometer 12 in voltage check device 2 to photovoltaic module 1
Detected by detecting circuit 13, and voltage data is transmitted to photovoltaic controller 4 by feedback circuit 14.
Breaker 3 includes auxiliary contact 15, shunt release 16 and under-voltage release 17, and auxiliary contact 15 takes off with shunt opening
Button device 16, under-voltage release 17 are electrically connected with, when photovoltaic controller 4 finds that the voltage data that voltage check device 2 feeds back is different
Chang Shi, that is, control breaker 3 shunt release 16 and under-voltage controller 17 is tripped, cut off whole circuit, make staff
Can be to breakdown repair.
Photovoltaic DC-to-AC converter 6 includes boosting loop 18 and inversion bridge type return 11, and boost loop 18 and inversion bridge type return 11
It is electrically connected with, photovoltaic DC-to-AC converter 6 is by boosting loop 18 and inversion bridge type return 11 makes direct current caused by photovoltaic electrification component 1
Circulation is changed to alternating current.
The surface of photovoltaic controller 4 is provided with control panel 19, and the side of control panel 19 is provided with photovoltaic input lock 20,
The side of photovoltaic input lock 20 is provided with battery input lock 21, and the side of battery input lock 21 is provided with exchange input lock 22, led to
Control panel regulation and control photovoltaic controller 4 is crossed, and is controlled respectively using photovoltaic input lock 20, battery input lock 21 with input lock 22 is exchanged
Input current processed.
Specifically, distributed photovoltaic component 1 produces electric current by the silicon chip of solar cell of inside, and by circuit by electricity
Streaming, the sensitive galvanometer 12 in voltage check device 2 are examined to the magnitude of voltage of photovoltaic module 1 by detecting circuit 13
Survey, and voltage data is transmitted to photovoltaic controller 4 by feedback circuit 14, when photovoltaic controller 4 finds voltage check device 2
During the voltage data exception of feedback, that is, breaker 3 is controlled shunt release 16 and under-voltage controller 17 is tripped, cut-out is whole
Circuit, make staff can be to breakdown repair, if magnitude of voltage is not abnormal, whole circuit keeps clear, and electric current enters battery
Group 5 simultaneously stores, and the electricity for inversion conversion is streamed to DC load 7, electrical equipment is worked, and what photovoltaic DC-to-AC converter 6 was changed
Alternating current is transmitted to AC load 8, can be worked using the electrical equipment of alternating current.
In summary, the utility model is by setting voltage check device 2 to be detected to the voltage of photovoltaic module 1,
By setting photovoltaic controller 4, breaker 3 and being electrically connected with photovoltaic controller 4 and breaker 3, the photovoltaic when electric voltage exception
Controller 4 can control the disconnecting circuit of breaker 3, whole system is temporarily ceased work and prompts staff to come to repair with this
It is multiple, it is practical.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (6)
1. one kind is used for photovoltaic off-grid protection system, including distributed photovoltaic component（1）, voltage check device（2）, breaker
（3）, photovoltaic controller（4）, batteries（5）, photovoltaic DC-to-AC converter（6）, DC load（7）And AC load（8）, its feature exists
In the distributed photovoltaic power generation component（1）Side be provided with voltage check device（2）, the voltage check device（2）'s
Side is provided with breaker（3）, the breaker（3）Side be provided with photovoltaic controller（4）, the photovoltaic controller（4）
Side be provided with batteries（5）, the photovoltaic controller（4）Opposite side have photovoltaic DC-to-AC converter（6）, the photovoltaic inversion
Device（6）Side be provided with DC load（7）, the photovoltaic DC-to-AC converter（6）Opposite side be provided with AC load（8）, it is described
Distributed photovoltaic component（1）, voltage check device（2）, breaker（3）, photovoltaic controller（4）, batteries（5）, photovoltaic it is inverse
Become device（6）, DC load（7）And AC load（8）It is electrically connected with by electric wire.
2. a kind of photovoltaic off-grid that is used for according to claim 1 protects system, it is characterised in that the photovoltaic electrification component
（1）Including silicon chip of solar cell（9）And single-chip microcomputer（10）, the single-chip microcomputer（10）With silicon chip of solar cell（9）Electrically connect
Connect.
3. a kind of photovoltaic off-grid that is used for according to claim 1 protects system, it is characterised in that the voltage check device
（2）Including sensitive galvanometer（12）, detection circuit（13）And feedback circuit（14）, the sensitive galvanometer（12）, detection circuit
（13）And feedback circuit（14）It is electrically connected with.
4. a kind of photovoltaic off-grid that is used for according to claim 1 protects system, it is characterised in that the breaker（3）Bag
Include auxiliary contact（15）, shunt release（16）And under-voltage release（17）, the auxiliary contact（15）With shunt release
（16）, under-voltage release（17）It is electrically connected with.
5. a kind of photovoltaic off-grid that is used for according to claim 3 protects system, it is characterised in that the photovoltaic DC-to-AC converter
（6）Including loop of boosting（18）With inversion bridge type return（11）, the boosting loop（18）With inversion bridge type return（11）Electrically
Connection.
6. a kind of photovoltaic off-grid that is used for according to claim 1 protects system, it is characterised in that the photovoltaic controller
（4）Surface be provided with control panel（19）, the control panel（19）Side be provided with photovoltaic input lock（20）, the light
Volt input lock（20）Side be provided with battery input lock（21）, the battery input lock（21）Side be provided with exchange input
Lock（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051214.7U CN207184029U (en) | 2017-08-22 | 2017-08-22 | One kind is used for photovoltaic off-grid protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051214.7U CN207184029U (en) | 2017-08-22 | 2017-08-22 | One kind is used for photovoltaic off-grid protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207184029U true CN207184029U (en) | 2018-04-03 |
Family
ID=61741609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721051214.7U Active CN207184029U (en) | 2017-08-22 | 2017-08-22 | One kind is used for photovoltaic off-grid protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207184029U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109151048A (en) * | 2018-09-10 | 2019-01-04 | 浙江电腾云光伏科技有限公司 | A kind of photovoltaic plant intelligent monitor system based on Internet of Things |
| CN109301917A (en) * | 2018-10-21 | 2019-02-01 | 沈禹荣 | It is a kind of remote districts use explosion-proof type solar energy photovoltaic panel |
| WO2021000253A1 (en) * | 2019-07-02 | 2021-01-07 | Marich Holdings The Netherlands B.V. | Photovoltaic system and control method thereof |
-
2017
- 2017-08-22 CN CN201721051214.7U patent/CN207184029U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109151048A (en) * | 2018-09-10 | 2019-01-04 | 浙江电腾云光伏科技有限公司 | A kind of photovoltaic plant intelligent monitor system based on Internet of Things |
| CN109301917A (en) * | 2018-10-21 | 2019-02-01 | 沈禹荣 | It is a kind of remote districts use explosion-proof type solar energy photovoltaic panel |
| WO2021000253A1 (en) * | 2019-07-02 | 2021-01-07 | Marich Holdings The Netherlands B.V. | Photovoltaic system and control method thereof |
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