CN202024430U - Solar air conditioner - Google Patents
Solar air conditioner Download PDFInfo
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- CN202024430U CN202024430U CN2011200795941U CN201120079594U CN202024430U CN 202024430 U CN202024430 U CN 202024430U CN 2011200795941 U CN2011200795941 U CN 2011200795941U CN 201120079594 U CN201120079594 U CN 201120079594U CN 202024430 U CN202024430 U CN 202024430U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 230000010365 information processing Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model comprises a solar air conditioner, which comprises a solar power supply converting system, an electric supply power grid input end, a power supply switching circuit and a controller, wherein an input end of the power supply switching circuit is respectively connected with the solar power supply converting system and the electric supply power grid input end; an output end of the power supply switching circuit is connected with a power supply input end of the air conditioner; the solar power supply converting system comprises a solar panel, a power detecting circuit, a maximum power following circuit, a booster circuit and a single phase full bridge inverter circuit; the maximum power following circuit monitors the output power of the solar panel; the booster circuit is connected with the input end of the single phase full bridge inverter circuit; and the single phase full bridge inverter circuit is connected with the power supply switching circuit. The air conditioner does not need a secondary battery, so that the conversion and utilization cost of solar energy is lower, and the consumption of electric supply is greatly reduced.
Description
Technical field
The utility model relates to a kind of air regulator technical field, more particularly, relates to a kind of solar air-conditioner and uses electric control method.
Background technology
Development along with society, the improvement of people's living condition, a large amount of electrical equipment enter in people's the living environment, air conditioner is exactly one of them, all trades and professions or at home life popularized, satisfied people live at home and produce, the needs of professional work environment such as medical treatment, scientific research, but the domestic air conditioner overwhelming majority of existing market is to use civil power to provide power for air-conditioner, air-conditioner power consumption is very big, and the electricity charge that the user pays for this reason are also just very high.One to summer, and electricity need load is big, causes power shortage, also needs to take the measure of brownout sometimes.Therefore, people strive to find a kind of new forms of energy and provide power for air conditioner, to overcome the big difficult problem of present city electric consumption.Patent application 2009202728323 has proposed a kind of supporting air conditioner energy-saving systems technology of wind energy refrigeration of utilizing, though can alleviate the power consumption problem of air conditioner to a certain extent, but because wind-force less stable, at times strong and at other times weak, cut in and out, do not reach and guarantee the normal demand of using of air-conditioning, can not satisfy people's needs better.
The people is also arranged from the big solution of the present power consumption of the direction finding that utilizes solar energy, present solar energy generation technology great majority all use battery as energy storage device, and ability is to electric power supply when the energy of battery is enough.But battery costs an arm and a leg at present, thereby the whole cost of product is improved greatly, and the life of storage battery is short, big for environment pollution.This makes solar energy generation technology be restricted to the promotion and application in market.The solar energy convertible frequency air-conditioner of the up-to-date release of existing market is only by increasing or reduce external solar panels, finishing the switching from the civil power to the sun-generated electric power, this is just to the upgrading of common convertible frequency air-conditioner with the solar energy convertible frequency air-conditioner enters the ordinary people man and extensive use has caused technology barrier.Thereby the superiority to the solar energy convertible frequency air-conditioner is had a greatly reduced quality.
The utility model content
The solar air-conditioner that the purpose of this utility model provides a kind of solar energy and civil power compatibility preferentially uses as main energy sources with solar energy, and insufficient section is then replenished by utility grid.With the solar energy conversion electric power seamless be linked into air regulator control system in, reduce the use of civil power as much as possible, make air regulator have the advantage of energy-conservation, reduction of discharging, environmental protection, low-carbon (LC).
The technical scheme that the utility model adopted is: a kind of solar air-conditioner, comprise the sun-generated electric power converting system, the utility grid input, power supply switch circuit, controller, the input of described power supply switch circuit connects the sun-generated electric power converting system respectively, the utility grid input, the output of described power supply switch circuit connects the power input of air regulator, described sun-generated electric power converting system is by solar panel, power-sensing circuit, the maximal power tracing circuit, booster circuit, the single-phase full bridge inverter circuit constitutes, the power output of described maximal power tracing circuit supervision solar panel, described booster circuit connects the input of single-phase full bridge inverter circuit, and described single-phase full bridge inverter circuit connects power supply switch circuit.
Above-mentioned solar air-conditioner, described controller comprises input information processing module, VFC module, energy supply control module, described energy supply control module connects power supply switch circuit, described energy supply control module being connected of the disconnection of control power supply switch circuit and utility grid input when the conversion electric weight that detects solar panel reaches setting value; Control power supply switch circuit and utility grid input are not connected when the conversion electric weight that detects solar panel reaches setting value.
Above-mentioned solar air-conditioner, the output of described power supply switch circuit connects outer home electric on-off circuit.
Compared with prior art, the utlity model has following advantage:
The utility model need not battery as energy storage device, and solar energy is preferentially used as main energy sources, and insufficient section is then replenished by electrical network, makes the trans-utilization cost of solar energy lower.
When the solar panels generated energy was sufficient, controller sent instruction, cut off the total civil power incoming line of family, switched to solar powered incoming line, reduced the consumption of civil power greatly.And when the user does not use air-conditioning, the electric energy of conversion of solar energy can be supplied with uses such as other household electrical appliance, electric light, expanded the function of air regulator.
Description of drawings
Fig. 1 is the schematic block circuit diagram of solar air-conditioner of the present utility model;
Fig. 2 is a power-sensing circuit theory diagram of the present utility model;
Fig. 3 is a maximal power tracing circuit diagram of the present utility model;
Fig. 4 is solar panel booster circuit figure of the present utility model;
Fig. 5 is single-phase full bridge inverter circuit figure of the present utility model;
Fig. 6 is an air conditioner controlling system electric hookup of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Solar air-conditioner of the present utility model, form by sun-generated electric power converting system, utility grid input, power supply switch circuit, controller, the sun-generated electric power converting system is made of solar panel, power-sensing circuit 3, maximal power tracing circuit 2, booster circuit 1, single-phase full bridge inverter circuit 4, and controller comprises input information processing module, VFC module, energy supply control module.The utility model is applied to solar energy generation technology on the air-conditioner.Need not battery as energy storage device, solar energy is preferentially used as main energy sources, insufficient section is then replenished by electrical network, and when the user did not use air-conditioning, the electric energy that solar energy can be sent offered household electricity.Its circuit theory diagrams utilize power-sensing circuit 3 to detect the electric weight that solar panel sends in real time earlier referring to Fig. 1:
(1) when detecting the solar panels generated energy and enough give current air-conditioner power supply, just only use solar powered.
(2) when detecting the solar panels generation deficiency with regard to notification controller, after controller receives this signal, connect air-conditioner mains supply wiretap, allow civil power and solar-electricity provide electric energy for air-conditioner simultaneously.
(3) and when controller receive the user close the signal of air-conditioner after and detect this moment during solar panels generated energy foot, controller sends instruction, cut off the total civil power incoming line of family, switch to solar powered incoming line, for user's household provides free electric energy.As shown in Figure 2, accurate low cost current sensor of power-sensing circuit 3 usefulness is measured electric current, takes advantage of voltage just to obtain power measurement with electric current.
Solar panel is selected polysilicon solar cell for use, this polysilicon solar cell has the battery of new generation of the advantages such as the relative simplification of material preparation process of the high conversion efficiency of monocrystalline silicon battery and long-life and amorphous silicon membrane battery concurrently, its conversion efficiency is generally about 14%, be lower than single crystal silicon solar cell slightly, there is not obvious efficient decline problem, and might prepare on the inexpensive substrate material, its cost is far below monocrystalline silicon battery, and efficient is higher than the amorphous silicon membrane battery.Input power one required during according to the operation of the convertible frequency air-conditioner of split type high energy efficiency is about 400W, and polysilicon solar cell plate generated energy under sunshine good situation is 140W/M
2, therefore polysilicon solar cell plate gauge lattice of the present utility model are 3M (length) X1M (wide)=3M
2, exportable power has satisfied convertible frequency air-conditioner operation power demand about 420W.
Be the power output of control solar panel, make the solar panels at any time can both be at its maximum power point, just maximum power point tracking.See accompanying drawing 3, maximal power tracing circuit 2 (MPPT) by multiplier 101 with the output voltage of solar panel and electric current fetch multiply each other after, obtain the power output signal of solar panel, be multiplied by a ratio value (K) again, just can be in the hope of the size of the desirable output current Imppt of solar panels.
See Fig. 4, the utility model adopts CUK type DC/DC booster circuit 1 to make the low voltage of solar panel output boost to the required operating voltage range of single-phase full bridge inversion, for the inversion operate as normal provides voltage.
See Fig. 5, the dc inverter that single-phase full bridge inverter circuit 4 sends solar panel becomes required alternating current to offer variable frequency air conditioner or household electricity consumption.
The output of single-phase full bridge inverter circuit 4 connects the input of power supply switch circuit, another input of power supply switch circuit also is connected with utility grid, the output interface of power supply switch circuit connects the power input of air regulator, and another output interface also connects other household electric appliances.See Fig. 5, single-phase full bridge inverter circuit 4 is linked in sequence by high-frequency inverter circuit 102, high frequency transformer 103, rectification inverter circuit 104, low pass filter 105 respectively, by low pass filter 105 external loads.Referring to Fig. 1, when the solar panel generating was sufficient, first relay, 5 closures were powered to air-conditioning; When the solar panel generation deficiency, first relay 5 and the 3rd relay 7 closures are powered to air-conditioning by civil power is additional; When the air-conditioner power cutoff, first relay 5 and second relay, 6 closures are supplied with other household electric appliances use of user with the electricity that solar energy sends.
The compressor operation parameters of the VFC module major control air regulator of controller.Carry out SCI communication between the VFC module each several part, the circuit of frequency-changing control system connects referring to Fig. 6.The VFC module detects operational factors such as temperature that off-premises station imports into, voltage, electric current in real time, and combination is imported variable frequency air-conditioner controller into from indoor environment temperature, coil temperature, remote control setting parameter that indoor controller reads, handle by MCU, produce the object run frequency of compressor.The PFC plate of outdoor control system and power panel are finished power supply jointly and are handled, and will exchange to be rectified into direct current after input is handled through EMC, carry out power factor correction again.Therefore make the efficient of active PFC increase greatly, and power output is big more, energy-saving effect is obvious more.Outdoor fan, reversal valve, electronic Expansion Valve Control are also finished by outdoor power panel.Module board is finished the driving and the rotational speed regulation of compressor, drive the pwm signal dutycycle by adjusting, control the make-and-break time of IGBT, thereby make three groups of stator coils of compressor electric motor flow through 180 degree sine-wave currents, make compressor operating steady, electric efficiency is higher.
Claims (3)
1. solar air-conditioner, comprise the sun-generated electric power converting system, the utility grid input, power supply switch circuit, controller, the input of described power supply switch circuit connects the sun-generated electric power converting system respectively, the utility grid input, the output of described power supply switch circuit connects the power input of air regulator, it is characterized in that: described sun-generated electric power converting system is by solar panel, power-sensing circuit (3), maximal power tracing circuit (2), booster circuit (1), single-phase full bridge inverter circuit (4) constitutes, the power output of described maximal power tracing circuit (2) monitoring solar panel, described booster circuit (1) connects the input of single-phase full bridge inverter circuit (4), and described single-phase full bridge inverter circuit (4) connects power supply switch circuit.
2. solar air-conditioner according to claim 1, it is characterized in that: described controller comprises input information processing module, VFC module, energy supply control module, described energy supply control module connects power supply switch circuit, described energy supply control module being connected of the disconnection of control power supply switch circuit and utility grid input when the conversion electric weight that detects solar panel reaches setting value; Control power supply switch circuit and utility grid input are not connected when the conversion electric weight that detects solar panel reaches setting value.
3. solar air-conditioner according to claim 2 is characterized in that: the output of described power supply switch circuit connects outer home electric on-off circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200795941U CN202024430U (en) | 2011-03-24 | 2011-03-24 | Solar air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200795941U CN202024430U (en) | 2011-03-24 | 2011-03-24 | Solar air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202024430U true CN202024430U (en) | 2011-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200795941U Expired - Fee Related CN202024430U (en) | 2011-03-24 | 2011-03-24 | Solar air conditioner |
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| Country | Link |
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| CN (1) | CN202024430U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280827A (en) * | 2013-04-24 | 2013-09-04 | 广东志高空调有限公司 | Control system used for hybrid electric power room air conditioner, and control method thereof |
| CN103280828A (en) * | 2013-04-24 | 2013-09-04 | 广东志高空调有限公司 | Hybrid power generation system for room air conditioner |
| CN105024449A (en) * | 2014-04-17 | 2015-11-04 | 杨发琼 | Electric machinery driving method by means of solar energy |
| CN106301199A (en) * | 2016-08-18 | 2017-01-04 | 许昌学院 | A kind of photovoltaic power generation apparatus |
-
2011
- 2011-03-24 CN CN2011200795941U patent/CN202024430U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280827A (en) * | 2013-04-24 | 2013-09-04 | 广东志高空调有限公司 | Control system used for hybrid electric power room air conditioner, and control method thereof |
| CN103280828A (en) * | 2013-04-24 | 2013-09-04 | 广东志高空调有限公司 | Hybrid power generation system for room air conditioner |
| CN103280827B (en) * | 2013-04-24 | 2016-01-20 | 广东志高空调有限公司 | The control system that blended electric power room air conditioner uses and control method thereof |
| CN103280828B (en) * | 2013-04-24 | 2016-01-27 | 广东志高空调有限公司 | The blended electric power electricity generation system that a kind of room air conditioner uses |
| CN105024449A (en) * | 2014-04-17 | 2015-11-04 | 杨发琼 | Electric machinery driving method by means of solar energy |
| CN106301199A (en) * | 2016-08-18 | 2017-01-04 | 许昌学院 | A kind of photovoltaic power generation apparatus |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| 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: 20111102 Termination date: 20190324 |