CN101749835A - Air conditioner controller with auxiliary control chip and using solar cell and air conditioning system thereof - Google Patents
Air conditioner controller with auxiliary control chip and using solar cell and air conditioning system thereof Download PDFInfo
- Publication number
- CN101749835A CN101749835A CN 200810220357 CN200810220357A CN101749835A CN 101749835 A CN101749835 A CN 101749835A CN 200810220357 CN200810220357 CN 200810220357 CN 200810220357 A CN200810220357 A CN 200810220357A CN 101749835 A CN101749835 A CN 101749835A
- Authority
- CN
- China
- Prior art keywords
- control chip
- air
- auxiliary control
- storage device
- electrical storage
- 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
- 238000004378 air conditioning Methods 0.000 title claims description 42
- 238000005070 sampling Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioner controller with an auxiliary control chip and capable of realizing non-alternating current standby power consumption by utilizing a solar battery, which comprises a main power supply circuit, an auxiliary power supply circuit and a control circuit, wherein the control circuit comprises an air conditioner control chip (8), a signal receiving device (9) and an auxiliary control chip (10) connected between the air conditioner control chip (8) and the signal receiving device (9), and the auxiliary control chip (10) selectively switches on the main power supply circuit or the auxiliary power supply circuit or selectively switches off the main power supply circuit or the auxiliary power supply circuit according to a signal received by the signal receiving device (9). The air conditioner controller uses the electric power storage device to supply power to the small processor (auxiliary control chip) with low power consumption when in standby state, and completely cuts off the main power supply, so that the standby power consumption of the whole machine alternating current is reduced to 0W, and meanwhile, the potential safety hazard of the original power supply by the main power supply in the standby state is eliminated.
Description
Technical field
The present invention relates to a kind of air-conditioner controller and air-conditioning system thereof, more particularly, relate to and a kind ofly have the air-conditioner controller that utilizes solar cell of auxiliary control chip and have the air-conditioning system of this air-conditioner controller.
Background technology
Raising along with development and national economy and living standards of the people, various electrical equipment have more and more entered common people's family, but power-supply controller of electric stand-by power consumption of the prior art is bigger, as shown in Figure 1, power-supply controller of electric of the prior art mainly comprises main power source device, air-conditioning control chip, signal receiving device, to air-conditioning control chip and signal receiving device power supply, signal receiving device receives the control of remote controller signal and gives the air-conditioning control chip AC power by main power circuit.When signal receiving device received shutdown command and give the air-conditioning control chip, electrical equipment entered holding state, but the main power source device so just makes stand-by power consumption bigger also in work at this moment.In the age of current electric power energy supply and demand anxiety, the stand-by power consumption of electrical equipment is very big, and this is a very severe and real problem, if can reduce the stand-by power consumption of electrical equipment, brings huge economic benefit will for the people and society.
Simultaneously owing to the custom reason, seldom there is the user to pull out supply socket during in standby at air-conditioning, also be in the forceful electric power electriferous state during air-conditioning standby like this, this brings hidden danger with regard to the life security to the user.And because of the stand-by time of air-conditioning is longer, in this long time, the voltage instantaneous of electrical network changes can't expect that also particularly big thunder-strike current also can be scurried into electrical network, causes damage all can for the controller of air-conditioning, has increased the fault rate of air-conditioning.If, will reduce the fault rate and the potential safety hazard of eliminating the user of air-conditioning so when standby, disconnect the AC power of air-conditioning fully.
Summary of the invention
The objective of the invention is to address the above problem, a kind of air-conditioner controller with auxiliary control chip is provided, this air-conditioner controller utilizes solar cell, when the air-conditioning standby, by the electrical storage device power supply, thereby disconnects main power source fully.
Air-conditioner controller according to the present invention comprises main power circuit, auxiliary power circuit and control circuit, control circuit comprises air-conditioning control chip, signal receiving device and is connected auxiliary control chip between air-conditioning control chip and the signal receiving device, wherein, the signal that auxiliary control chip receives according to signal receiving device, optionally connect main power circuit or auxiliary power circuit, perhaps optionally disconnect main power circuit or auxiliary power circuit.
Preferably, main power circuit comprise AC power, main power source and be connected AC power and main power source between first power-supply controller of electric, auxiliary control chip is by the connecting and disconnecting of the first power controller controls main power source, auxiliary power circuit comprises: electrical storage device, it is the auxiliary control chip power supply when the air-conditioning standby; And the second source controller, be connected between auxiliary control chip and the electrical storage device, with the control electrical storage device, wherein, the air-conditioning control chip is connected between main power source and the auxiliary control chip.
Preferably, auxiliary power circuit also comprises voltage sampling apparatus, be connected between electrical storage device and the auxiliary control chip, be used to obtain the voltage data of electrical storage device, auxiliary control chip optionally connects or disconnects first power-supply controller of electric or second source controller according to the voltage data of voltage sampling apparatus.
Preferably, auxiliary power circuit also comprises solar cell, and it is electrically connected with electrical storage device.
Preferably, first power-supply controller of electric comprises the driver of first electronic switch and the action of driving first electronic switch, and first electronic switch is connected between AC power and the main power source, and driver is connected between first electronic switch and the auxiliary control chip.
Preferably, auxiliary power circuit also comprises first level converter, and it is connected between solar cell and the electrical storage device, regulates the output voltage of solar cell.
Preferably, the second source controller comprises: second electronic switch, be connected between electrical storage device and the auxiliary control chip, and the control electrical storage device is powered to auxiliary control chip; And second level converter, be connected between second electronic switch and the auxiliary control chip, to regulate the voltage that electrical storage device offers auxiliary control chip.
Preferably, electrical storage device comprises: battery, and voltage sampling apparatus is connected with battery; Battery charge controller is electrically connected with battery, and the charging process of battery is controlled; And discharge control device, be connected between battery and the second source controller, the discharge process of battery is controlled.
Preferably, second electronic switch comprises a plurality of triodes.
According to purpose of the present invention, the present invention also provides a kind of air-conditioning system with the air-conditioner controller that comprises said structure.
The present invention is by using little processor (auxiliary control chip) power supply of electrical storage device to low-power consumption when standby, and disconnect main power source fully, thereby make the stand-by power consumption of complete machine alternating current reduce to 0W, simultaneously, also eliminated original potential safety hazard of under holding state, powering by main power source.
Description of drawings
Accompanying drawing constitutes the part of this specification, is used for illustrating principle of the present invention with specification.In the accompanying drawing:
Fig. 1 shows the theory diagram of the air-conditioner controller of prior art;
Fig. 2 shows the theory diagram according to air-conditioner controller of the present invention;
Fig. 3 is the structured flowchart that has schematically shown according to first power-supply controller of electric of the present invention;
Fig. 4 is the structured flowchart that has schematically shown according to solar cell of the present invention;
Fig. 5 is the structured flowchart that has schematically shown according to electrical storage device of the present invention;
Fig. 6 is the structured flowchart that has schematically shown according to second source controller of the present invention; And
Fig. 7 is the circuit connection diagram that has schematically shown according to second electronic switch of second source controller of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing exemplary embodiment of the present invention is described.
As shown in Figure 2, air-conditioner controller according to the present invention comprises main work loop and back work loop, wherein, main work loop comprises AC power 1, first power-supply controller of electric 2, main power source 3, air-conditioning control chip 8, and the back work loop comprises solar cell 4, electrical storage device 5, second source controller 6, voltage sampling apparatus 7, auxiliary control chip 10 and signal receiving device 9.
As shown in Figure 2, first power-supply controller of electric 2 is connected between AC power 1 and the main power source 3 and with auxiliary control chip 10 and is connected, and, auxiliary control chip 10 is connected with signal receiving device 9, thereby, the signal of auxiliary control chip 10 by receiving from signal receiving device 9, connect or disconnect first power-supply controller of electric 2, thereby make main power source get electric or outage, thereby, be 8 power supplies of air-conditioning control chip or outage, and air-conditioning control chip 8 is connected between main power source 3 and the auxiliary control chip 10.
Wherein, auxiliary control chip 10 is the little processor of a low-power consumption, play the standby management role, by signal receiving device 9 receiving key machine signals, according to signal-selectivity ground control first power-supply controller of electric 2 and the second source controller 6 that receive, and signal can be transmitted to air-conditioning control chip 8.
First power-supply controller of electric 2 is a normal open switch, comprises first electronic switch 21 and driver 22 two parts, as shown in Figure 3.This first electronic switch 21 is connected between AC power 1 and the main power source 3, and this driver 3 is connected between first power-supply controller of electric 2 and the auxiliary control chip 10.First electronic switch 21 comprises relay or controllable silicon etc., and driver 22 is mainly used to drive the electronic switch action, and it comprises auxiliary reclay or triode etc.
Main power source 3 is meant the device that obtains the required dc source of each load of air-conditioning after AC power 1 conversion, main at present Switching Power Supply or the linear transformer etc. of adopting.This main power source 3 is connected between first power-supply controller of electric 2 and the air-conditioning control chip 8, to provide power supply to air-conditioning control chip 8.
Control chip 8 in the air-conditioner controller, the running according to the programme-control air-conditioning that writes is generally microprocessor.
On the other hand, auxiliary control chip 10 is connected with second source controller 6 and voltage sampling apparatus 7 respectively, and electrical storage device 5 is connected between solar cell 4 and the second source controller 6, and is connected with voltage sampling apparatus 7, as shown in Figure 2.Therefore, auxiliary control chip 10 is switched on or switched off second source controller 6 by the signal of signal receiving device 9, and voltage sampling apparatus 7 obtains the voltage data of electrical storage device 5, this auxiliary control chip 10 is compared with the voltage of setting level by the voltage data that voltage sampling apparatus 7 is obtained, and judges whether to charge to electrical storage device 5.
Wherein, solar cell 4 is the devices that luminous energy are converted into electric energy, the general at present solar cell 4 that adopts silicon materials, the electric energy of exporting because of solar cell 4 is directly proportional with light intensity, so need to increase a level converter (first level converter) 42 sometimes, as shown in Figure 4, this level converter 42 is connected between solar cell 4 and the electrical storage device 5.In the time of like this a little less than light, can boost by first level converter 42, improve the efficient of solar cell 4, when light intensity solar cell 4 output voltages are too high, can come step-down by first level converter 42, in order to avoid follow-up circuit is damaged, this level converter 42 can utilize special-purpose buck chip to realize.
Electrical storage device 5 comprises battery charge controller 51, battery 52, discharge control device 53 3 parts, connected mode as shown in Figure 5, battery charge controller 51 mainly is that the charging process of battery 52 is controlled, prevent battery overcharge and damage, discharge control device 53 mainly is that the discharge process of battery 52 is controlled, prevent battery over-discharge, overcurrent etc. and damage that battery is mainly used to store the electric energy after solar cell transforms, and mainly contains chargeable battery, lead accumulator etc.Charge and discharge control device 52,53 can utilize special-purpose management of charging and discharging chip to realize.
Second source controller 6 is normally closed switch, and it comprises that control electrical storage device 5 is whether to second electronic switch 61 of control chip power supply.Because of considering that electric current is less, second electronic switch 61 adopts two NPN triodes to form a simple electronic switch, connected mode such as accompanying drawing 7 in the present embodiment.
Because of considering that electrical storage device 5 is not having under the supplementary information of energy, As time goes on its voltage can descend, and auxiliary control chip 10 needs a stable voltage, so can also increase level converter (second level converter) 62, be adjusted to the voltage of auxiliary control chip 10.As accompanying drawing 6, this second electronic switch 61 is connected between the electrical storage device 5 and the second level device 62, and the second level device 62 is connected with auxiliary control chip 10 again.When the voltage of electrical storage device 5 hanged down, this level converter can be raised to the voltage of electrical storage device 5 the setting level, and when electrical storage device 5 voltages were higher, this device was reduced to the setting level with the voltage of electrical storage device 5.This level converter 62 can utilize special-purpose buck chip to realize.
Voltage sampling apparatus 7 can be a bleeder circuit, utilizes the AD converter in the auxiliary control chip 10 to sample again.
Because said structure, thereby when signal receiving device 9 receives starting-up signal, auxiliary control chip 10 control first power-supply controller of electric 2 earlier is in on-state, main power source gets, give air-conditioning control chip 8 and auxiliary control chip 10 power supplies, and then control disconnection second source controller 6, the electric energy in the electrical storage device 5 is saved, last auxiliary control chip 10 will receive signal and be transmitted to air-conditioning control chip 8, and air-conditioning control chip 8 carries out corresponding action according to signal.When air-conditioning work, auxiliary control chip 10 constantly is transmitted to air-conditioning control chip 8 with the signal that receives.
When signal receiving device 9 receives off signal, auxiliary control chip 10 is transmitted to air-conditioning control chip 8 with off signal, air-conditioning is quit work, next obtain voltage data in the electrical storage device 5 by voltage sampling apparatus 7, auxiliary control chip 10 compares voltage and the setting voltage that is obtained.When the voltage of electrical storage device 5 was higher than the level of setting, then second source controller 6 was connected in control, by electrical storage device 5 power supplies, enter holding state, disconnect first power-supply controller of electric 2 again, main power source 3 is cut off the power supply fully, thereby realize 0W alternating current stand-by power consumption and improve standby safety.When the voltage of electrical storage device 5 is lower than the level of setting, just do not disconnect first power-supply controller of electric 2, continue by main power source 3 power supplies, after being full of electricity for electrical storage device 5, just enter above holding state by solar cell 4.
During standby, auxiliary control chip 10 is judged the voltage of electrical storage device 5 constantly, when voltage drops to the alarm level of setting, and auxiliary control chip 10 demand workings first power-supply controller of electric 2, make and main power source 3 power supplies after electrical storage device 5 is full of electricity, reenter holding state.
By increasing auxiliary control chip 10, make and when standby, power for consuming less little processor by electrical storage device 5, disconnected main power source 3 fully, make complete machine alternating current standby power will be 0W, and, the potential safety hazard when also having eliminated standby simultaneously.
Certainly, can be applied on any air-conditioning system according to air-conditioner controller of the present invention.
Although the present invention is illustrated with reference to accompanying drawing and preferred embodiment, obviously, for a person skilled in the art, under the prerequisite that does not deviate from the spirit and scope of the present invention, can make various changes and variation to the present invention.Various change of the present invention, the content that changes by appending claims and equivalent thereof contain.
Claims (10)
1. air-conditioner controller, it is characterized in that, comprise main power circuit, auxiliary power circuit and control circuit, described control circuit comprises air-conditioning control chip (8), signal receiving device (9) and be connected described air-conditioning control chip (8) and described signal receiving device (9) between auxiliary control chip (10), wherein, the signal that described auxiliary control chip (10) receives according to described signal receiving device (9), optionally connect described main power circuit or described auxiliary power circuit, perhaps optionally disconnect described main power circuit or described auxiliary power circuit.
2. air-conditioner controller according to claim 1 is characterized in that:
Described main power circuit comprise AC power (1), main power source (3) and be connected described AC power (1) and described main power source (3) between first power-supply controller of electric (2), described auxiliary control chip (10) is controlled the connecting and disconnecting of described main power source (3) by described first power-supply controller of electric (2);
Described auxiliary power circuit comprises:
Electrical storage device (5), it is described auxiliary control chip (10) power supply when the air-conditioning standby; And
Second source controller (6) is connected between described auxiliary control chip (10) and the described electrical storage device (5), controlling described electrical storage device (5),
Wherein, described air-conditioning control chip (8) is connected between described main power source (3) and the described auxiliary control chip (10).
3. air-conditioner controller according to claim 2, it is characterized in that, described auxiliary power circuit also comprises voltage sampling apparatus (7), be connected between described electrical storage device (5) and the described auxiliary control chip (10), be used to obtain the voltage data of described electrical storage device (5), described auxiliary control chip (10) optionally connects or disconnects described first power-supply controller of electric (2) or second source controller (6) according to the voltage data of described voltage sampling apparatus (7).
4. air-conditioner controller according to claim 2 is characterized in that, described auxiliary power circuit also comprises solar cell (4), and it is electrically connected with described electrical storage device (5).
5. air-conditioner controller according to claim 2, it is characterized in that, described first power-supply controller of electric (2) comprises first electronic switch (21) and drives the driver (22) of described first electronic switch (21) action, described first electronic switch (21) is connected between described AC power (1) and the described main power source (3), and described driver (22) is connected between described first electronic switch (21) and the described auxiliary control chip (10).
6. air-conditioner controller according to claim 4, it is characterized in that, described auxiliary power circuit also comprises first level converter (42), and it is connected between described solar cell (4) and the described electrical storage device (5), regulates the output voltage of described solar cell (4).
7. air-conditioner controller according to claim 2 is characterized in that, described second source controller (6) comprising:
Second electronic switch (61) is connected between described electrical storage device (5) and the described auxiliary control chip (10), controls described electrical storage device (5) and powers to described auxiliary control chip (10); And
Second level converter (62) is connected between described second electronic switch (61) and the described auxiliary control chip (10), to regulate the voltage that described electrical storage device (5) offers described auxiliary control chip (10).
8. air-conditioner controller according to claim 3 is characterized in that, described electrical storage device comprises:
Battery (52), described voltage sampling apparatus (7) is connected with battery (52);
Battery charge controller (51) is electrically connected with described battery (52), and the charging process of described battery (52) is controlled; And
Discharge control device (53) is connected between described battery (52) and the described second source controller (6), and the discharge process of described battery (52) is controlled.
9. air-conditioner controller according to claim 7 is characterized in that, described second electronic switch (61) comprises a plurality of triodes.
10. one kind comprises the air-conditioning system according to the described air-conditioner controller of above-mentioned arbitrary claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810220357 CN101749835A (en) | 2008-12-20 | 2008-12-20 | Air conditioner controller with auxiliary control chip and using solar cell and air conditioning system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810220357 CN101749835A (en) | 2008-12-20 | 2008-12-20 | Air conditioner controller with auxiliary control chip and using solar cell and air conditioning system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101749835A true CN101749835A (en) | 2010-06-23 |
Family
ID=42477199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810220357 Pending CN101749835A (en) | 2008-12-20 | 2008-12-20 | Air conditioner controller with auxiliary control chip and using solar cell and air conditioning system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101749835A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400589A (en) * | 2010-09-10 | 2012-04-04 | 上海燧德能源科技有限公司 | Solar air-conditioning tent |
| CN103631159A (en) * | 2012-08-21 | 2014-03-12 | 纬创资通股份有限公司 | Electronic device, electronic system and operation method thereof |
| CN104460376A (en) * | 2014-11-28 | 2015-03-25 | 常熟开关制造有限公司(原常熟开关厂） | Power supply device of circuit breaker controller, circuit breaker controller and circuit breaker |
| CN107314476A (en) * | 2017-05-27 | 2017-11-03 | 珠海格力电器股份有限公司 | Air conditioning unit and control method thereof |
| CN109245273A (en) * | 2018-09-04 | 2019-01-18 | 珠海格力电器股份有限公司 | Control circuit and electric equipment |
| CN110341618A (en) * | 2019-07-26 | 2019-10-18 | 青海康慧医疗器械科技有限公司 | A kind of coupling starting control device, method and vehicle-mounted oxygen-enriched purification device |
| CN111947277A (en) * | 2020-08-04 | 2020-11-17 | 广东美的暖通设备有限公司 | Air conditioner, operation control method, and computer-readable storage medium |
-
2008
- 2008-12-20 CN CN 200810220357 patent/CN101749835A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400589A (en) * | 2010-09-10 | 2012-04-04 | 上海燧德能源科技有限公司 | Solar air-conditioning tent |
| CN103631159A (en) * | 2012-08-21 | 2014-03-12 | 纬创资通股份有限公司 | Electronic device, electronic system and operation method thereof |
| US9837932B2 (en) | 2012-08-21 | 2017-12-05 | Wistron Corp. | Electronic device and electronic system and operation methods thereof |
| CN104460376A (en) * | 2014-11-28 | 2015-03-25 | 常熟开关制造有限公司(原常熟开关厂） | Power supply device of circuit breaker controller, circuit breaker controller and circuit breaker |
| CN104460376B (en) * | 2014-11-28 | 2017-02-22 | 常熟开关制造有限公司(原常熟开关厂） | Power supply device of circuit breaker controller, circuit breaker controller and circuit breaker |
| CN107314476A (en) * | 2017-05-27 | 2017-11-03 | 珠海格力电器股份有限公司 | Air conditioning unit and control method thereof |
| CN107314476B (en) * | 2017-05-27 | 2023-08-29 | 珠海格力电器股份有限公司 | Air conditioning unit and control method thereof |
| CN109245273A (en) * | 2018-09-04 | 2019-01-18 | 珠海格力电器股份有限公司 | Control circuit and electric equipment |
| CN110341618A (en) * | 2019-07-26 | 2019-10-18 | 青海康慧医疗器械科技有限公司 | A kind of coupling starting control device, method and vehicle-mounted oxygen-enriched purification device |
| CN110341618B (en) * | 2019-07-26 | 2024-08-06 | 青海康慧医疗器械科技有限公司 | Coupling start control device and method and vehicle-mounted oxygen-enriched purification device |
| CN111947277A (en) * | 2020-08-04 | 2020-11-17 | 广东美的暖通设备有限公司 | Air conditioner, operation control method, and computer-readable storage medium |
| WO2022028308A1 (en) * | 2020-08-04 | 2022-02-10 | 广东美的暖通设备有限公司 | Air conditioner, operating control method, and computer readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100947038B1 (en) | Hybrid ups system for controlling maximum demand power | |
| CN201173551Y (en) | Air conditioner controller and air conditioning system thereof | |
| CN202065869U (en) | LED dual-purpose emergency lamp | |
| CN201177349Y (en) | Air conditioner controller and air conditioning system | |
| CN101749835A (en) | Air conditioner controller with auxiliary control chip and using solar cell and air conditioning system thereof | |
| CN102005796A (en) | Mobile power supply and control method thereof | |
| WO2011033351A1 (en) | System for controlling electric power supply to devices | |
| CN101997335A (en) | Power supply control system and control method | |
| CN102738844A (en) | Line-interactive power control system | |
| CN103633727A (en) | Hybrid electric photovoltaic accumulation system inversion control all-in-one machine | |
| CN102244413A (en) | Automatic maintenance device for standby battery of uninterruptible power system (UPS) | |
| CN104333122A (en) | Power supply bus circuit | |
| CN201750208U (en) | Double-power-supply automatic shifting circuit of embedded device with standby storage battery | |
| CN103490492B (en) | High voltage direct current electric power system | |
| CN201928043U (en) | Movable power supply | |
| CN101441446B (en) | Power supply controller | |
| CN103650291A (en) | Power supply system | |
| CN110739757B (en) | Method and system for quickly starting power supply by short-time high-power load with low-power energy supply | |
| CN101749837B (en) | Air conditioner controller and air conditioning system for realizing no standby power consumption by utilizing solar cell | |
| CN102185358A (en) | Simple and practical movable uninterruptible power supply | |
| CN201218910Y (en) | Air conditioner controller with auxiliary control chip and using solar cell and air conditioning system thereof | |
| CN202231484U (en) | Intelligent sustainable power supply system based on complementation of photovoltaic cell, storage cell and mains supply | |
| CN202616806U (en) | Low voltage power supply system capable of realizing air-conditioning photovoltaic system power supply standby | |
| CN202127468U (en) | Power supply control device | |
| CN109347101A (en) | A kind of power-supply controller of electric for subway gate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20100623 |