CN207304022U - Photovoltaic system - Google Patents
Photovoltaic system Download PDFInfo
- Publication number
- CN207304022U CN207304022U CN201721361395.3U CN201721361395U CN207304022U CN 207304022 U CN207304022 U CN 207304022U CN 201721361395 U CN201721361395 U CN 201721361395U CN 207304022 U CN207304022 U CN 207304022U
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- China
- Prior art keywords
- circuit
- photovoltaic
- air
- conditioning
- electric energy
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Photovoltaic Devices (AREA)
Abstract
A kind of photovoltaic system, including photovoltaic generation circuit, photovoltaic inverter circuit, accumulator, air-conditioning inverter circuit and ON-OFF control circuit, photovoltaic generation circuit is used to receive photovoltaic generation electric energy, photovoltaic inverter circuit be used for photovoltaic is generated electricity can carry out inversion after transmit, accumulator is electrically connected with ON-OFF control circuit, for storing photovoltaic generation electric energy, air-conditioning inverter circuit one end is connected with air-conditioning, the other end is connected with ON-OFF control circuit, ON-OFF control circuit is electrically connected with city, power generation electric energy is conducted to air-conditioning inverter circuit when generated output for being produced in photovoltaic generation circuit is more than air-conditioning work power consumption, and power generation electric energy is stored.Pass through the use of ON-OFF control circuit so that the energy of photovoltaic generation can carry out suitably storage and grid-connected utilization when more sufficient, in photovoltaic generation energy deficiency, can provide other power supplys in time for air-conditioning use.
Description
Technical field
It the utility model is related to field of environment protection, more particularly to a kind of photovoltaic system.
Background technology
Current environment pollutes getting worse, and how to make full use of photovoltaic energy is a good problem to study.
Existing photovoltaic generation, by setting photovoltaic power generation equipment, is supplied to electrical equipment, so after luminous energy is stored
And when the electric energy that photovoltaic generation produces and the electric energy of electrical equipment consumption mismatch, often rationally electric energy can not be turned
Move or storage, produced electricl energy in photovoltaic generation and be not enough to electricity supply and use equipment in use, also can not timely automated offer alternating current or can
Used with power supply electricity supply and use equipment.
Utility model content
To solve the above-mentioned problems, can be in photovoltaic circuit the purpose of this utility model is to provide a kind of photovoltaic system
Produce electricl energy when being more than air conditioning electricity electric energy, unnecessary electric energy is stored or grid-connected in time, is produced electricl energy in photovoltaic circuit small
When air conditioning electricity electric energy, other power supplys are provided in time and are used for air-conditioning.
Technical solution is used by the utility model solves its technical problem：
A kind of photovoltaic system, including photovoltaic generation circuit, photovoltaic inverter circuit, accumulator, air-conditioning inverter circuit and open
Control circuit is closed, the photovoltaic generation circuit is connected after being electrically connected with photovoltaic inverter circuit with the ON-OFF control circuit, described
Photovoltaic generation circuit is used to receive photovoltaic generation electric energy, after the photovoltaic inverter circuit is used to generate electricity photovoltaic and can carry out inversion
Transmission, the accumulator is electrically connected with ON-OFF control circuit, for storing photovoltaic generation electric energy, the air-conditioning inverter circuit one
End is connected with air-conditioning, and the other end is connected with ON-OFF control circuit, for being used after inversion electric energy for air-conditioning work, the switch control
Circuit processed is electrically connected with city, when the generated output for being produced in the photovoltaic generation circuit is more than air-conditioning work power consumption,
Power generation electric energy is conducted to air-conditioning inverter circuit, and power generation electric energy is stored to accumulator and grid-connected to alternating current at the same time, is used for
The sum of the generated output produced in the photovoltaic generation circuit and the output power of accumulator disappear less than or equal to air-conditioning work
During wasted work rate, power generation electric energy and energy storage electric energy are conducted to air-conditioning inverter circuit, while alternating current is conducted to air-conditioning inverter circuit.
The utility model has the advantage of：
Pass through the use of ON-OFF control circuit so that the energy of photovoltaic generation can carry out when more sufficient suitably storage and
Grid-connected utilization, in photovoltaic generation energy deficiency, can provide other power supplys in time and be used for air-conditioning.
Brief description of the drawings
Fig. 1 is the circuit diagram of the utility model photovoltaic system.
Fig. 2 is the schematic diagram of the utility model ON-OFF control circuit.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
Referring to Fig. 1, it is the circuit diagram of the utility model photovoltaic system.A kind of photovoltaic parallel in system, including photovoltaic
Electricity-generating circuit 1, photovoltaic inverter circuit 2, accumulator 3, air-conditioning inverter circuit 4 and ON-OFF control circuit 5.Photovoltaic generation circuit 1
It is connected after being electrically connected with photovoltaic inverter circuit 2 with the ON-OFF control circuit 5, the photovoltaic generation circuit 1 is used to receive photovoltaic
Generate electricity electric energy, for example, a solar panels can be connected, for receiving solar energy.Photovoltaic inverter circuit 2 is used to be generated electricity photovoltaic
Transmitted after carrying out inversion.Accumulator 3 is electrically connected with ON-OFF control circuit 5, for storing unnecessary photovoltaic generation electric energy, institute
State 4 one end of air-conditioning inverter circuit with air-conditioning M to be connected, the other end is connected with ON-OFF control circuit 5, for supplying air-conditioning after inversion electric energy
Work uses, i.e., electric energy is reverse into after the working environment of suitable air-conditioning and is used for air-conditioning.
ON-OFF control circuit 5 is connected with alternating current Vcc, and the generated output for being produced in the photovoltaic generation circuit 1 is more than
During air-conditioning M work power consumptions, power generation electric energy is conducted to air-conditioning inverter circuit 4, and power generation electric energy is stored to energy storage at the same time
Circuit 3 and grid-connected to alternating current, so as to preferentially ensure that air-conditioning M is worked by photovoltaic energy, if the unnecessary energy then
Stored in time and grid-connected alternating current is used for other electrical source consumption devices.ON-OFF control circuit 5 is additionally operable to send out in the photovoltaic
When the sum of generated output and the output power of accumulator 3 that circuit 1 produces are less than or equal to air-conditioning M consumption in operation power,
Power generation electric energy and energy storage electric energy are conducted to air-conditioning inverter circuit 4, while alternating current is conducted to air-conditioning inverter circuit 4.So as to protect
When demonstrate,proving the photovoltaic electric energy produced in photovoltaic generation circuit 1 and being not enough to maintain the air-conditioning 4 work, it will store in time in accumulator 3
Electric energy is discharged, be superimposed the storage electric energy still cannot meet the work of air-conditioning M when, then further provide for alternating current and supply air-conditioning
M is used.
In order to lift the stability and security of circuit in itself, in the present embodiment, photovoltaic parallel in system further includes liter
Volt circuit 6 and isolation circuit 7, the photovoltaic generation circuit 1, booster circuit 6, isolation circuit 7 and photovoltaic inverter circuit 2 are electric successively
Connection.The booster circuit is Boost circuit or DC/DC booster circuits.
Referring to Fig. 2, it is the schematic diagram of the utility model ON-OFF control circuit.ON-OFF control circuit 5 includes processor (figure
In do not show), ring switch unit and some electric transducer (not shown) being electrically connected with processor, the ring switch unit
Including conducting ring 51 and four guide rods 52 that can be turned on or off with the conducting ring 51, photovoltaic inverter circuit 2, accumulator 3,
Air-conditioning inverter circuit 4 and alternating current are respectively connected to guide rod.Some electric transducers are respectively connected to photovoltaic inverter circuit 2, storage
Can circuit 3 and air-conditioning inverter circuit 4, for detecting the electrical parameter of the generation of photovoltaic electricity-generating circuit 1,3 energy storage of accumulator respectively
Electrical parameter, the electrical parameter of air-conditioning M work.
When this photovoltaic system works, the processor of ON-OFF control circuit 5 receives the power information of multiple electric transducers, and comprehensive
Judge, when the enough air-conditioning M work of the power generation electric energy of photovoltaic generation circuit 1, then control and photovoltaic inverter circuit 2, accumulator
3rd, air-conditioning inverter circuit 4 and the guide rod of Vcc connections are electrically connected with conducting ring 51, so that by via the electricity of photovoltaic inverter circuit 2
It can be delivered in air-conditioning M, accumulator 3 and electricity network.When in the power generation electric energy and accumulator 3 of photovoltaic generation circuit 1
When electric energy still can not meet air-conditioning M work, then the guide rod and the guide rod of air-conditioning inverter circuit 4 that control is connected with Vcc are with leading
Electric ring 51 is electrically connected, and is used so as to importing alternating current to air-conditioning M.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model
Within the scope of shield.
Claims (4)
1. a kind of photovoltaic system, it is characterised in that including photovoltaic generation circuit, photovoltaic inverter circuit, accumulator, air-conditioning inversion
Circuit and ON-OFF control circuit, the photovoltaic generation circuit connect after being electrically connected with photovoltaic inverter circuit with the ON-OFF control circuit
Connect, the photovoltaic generation circuit is used to receive photovoltaic generation electric energy, and the photovoltaic inverter circuit is used to generating electricity photovoltaic can be into
Transmitted after row inversion, the accumulator is electrically connected with ON-OFF control circuit, and for storing photovoltaic generation electric energy, the air-conditioning is inverse
Becoming circuit on one side with air-conditioning to be connected, the other end is connected with ON-OFF control circuit, for being used after inversion electric energy for air-conditioning work, institute
State ON-OFF control circuit to be electrically connected with city, the generated output for producing in the photovoltaic generation circuit is more than air-conditioning work power consumption
During power, power generation electric energy is conducted to air-conditioning inverter circuit, and power generation electric energy is stored to accumulator and grid-connected to city at the same time
Electricity, is less than or equal to air-conditioning for the sum of the generated output produced in the photovoltaic generation circuit and output power of accumulator
During consumption in operation power, power generation electric energy and energy storage electric energy are conducted to air-conditioning inverter circuit, while it is inverse that alternating current is conducted to air-conditioning
Become circuit.
2. photovoltaic system according to claim 1, it is characterised in that：The photovoltaic parallel in system further include booster circuit and
Isolation circuit, photovoltaic generation circuit, booster circuit, isolation circuit and the photovoltaic inverter circuit are sequentially connected electrically.
3. photovoltaic system according to claim 2, it is characterised in that：The booster circuit is Boost circuit or DC/
DC booster circuits.
4. photovoltaic system according to claim 2, it is characterised in that：The ON-OFF control circuit includes processor and annular
Switch element, the ring switch unit include conducting ring and four guide rods that can be turned on or off with the conducting ring, photovoltaic
Inverter circuit, accumulator, air-conditioning inverter circuit and alternating current are respectively connected to guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721361395.3U CN207304022U (en) | 2017-10-22 | 2017-10-22 | Photovoltaic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721361395.3U CN207304022U (en) | 2017-10-22 | 2017-10-22 | Photovoltaic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304022U true CN207304022U (en) | 2018-05-01 |
Family
ID=62273253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721361395.3U Expired - Fee Related CN207304022U (en) | 2017-10-22 | 2017-10-22 | Photovoltaic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207304022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429644A (en) * | 2019-07-31 | 2019-11-08 | 华为技术有限公司 | Inverter and power supply system |
-
2017
- 2017-10-22 CN CN201721361395.3U patent/CN207304022U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429644A (en) * | 2019-07-31 | 2019-11-08 | 华为技术有限公司 | Inverter and power supply system |
| CN110429644B (en) * | 2019-07-31 | 2021-08-20 | 华为技术有限公司 | Inverter and power supply system |
| US11811235B2 (en) | 2019-07-31 | 2023-11-07 | Huawei Digital Power Technologies Co., Ltd. | Inverter apparatus and power supply system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20201022 |