CN211556975U - Direct-drive air conditioner - Google Patents
Direct-drive air conditioner Download PDFInfo
- Publication number
- CN211556975U CN211556975U CN202020418904.7U CN202020418904U CN211556975U CN 211556975 U CN211556975 U CN 211556975U CN 202020418904 U CN202020418904 U CN 202020418904U CN 211556975 U CN211556975 U CN 211556975U
- Authority
- CN
- China
- Prior art keywords
- power generation
- energy
- power supply
- storage battery
- power
- 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.)
- Active
Links
Images
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a directly drive air conditioner, include: an indoor unit; a mains grid; an AC-DC conversion device that converts alternating current power into first direct current power; a first diode; a new energy power generation device that outputs a second direct current power supply; the energy power generation detection device is used for judging whether the new energy power generation device generates power normally; a second diode; an energy storage battery that outputs a third direct current power supply; the first change-over switch is connected to a power supply circuit for supplying power to the indoor unit by the energy storage battery; the electric quantity detection module is used for judging the electric quantity of the energy storage battery; a battery management unit; the second change-over switch is connected to a charging circuit of the energy storage battery; the control module is connected with the energy power generation detection device, the electric quantity detection module, the first change-over switch, the second change-over switch and the indoor unit; the output voltages of the first, second and third direct current power supplies are sequentially increased. The utility model is used for effectively utilize the environmental protection energy, electric energy utilization is high, and realizes energy-conservation.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner, concretely relates to directly drive air conditioner.
Background
With the development of new energy industry entering a mature stage, houses occupied by urban users (including new rural users) are developed to present multilayer or high-rise from previous single houses, most of the users do not have roofs of the users at present, the space of the outer vertical face which can be used by the users at the multilayer or high-rise is very narrow, the space for installing the solar panel is extremely limited, the solar air conditioners on the present market all need large installation space of the solar panel, less the solar air conditioners need tens of the solar air conditioners, and the solar air conditioners are unrealistic for the users at the multilayer and high-rise.
The scheme that an outdoor unit drags an indoor unit is adopted in a traditional household air conditioner, the power of the indoor unit is often low and may be only 20-30W, and if a solar panel is independently installed for the indoor unit to assist power supply aiming at the household air conditioner with one dragging, the cost is high, the solar energy utilization rate is low, and wiring of each room is difficult.
According to the existing central air conditioner on the market, a user often needs one outdoor unit to drag four or more indoor units, and the power of the whole indoor unit is increased by 200W to 300W, so that the direct-drive air conditioner is provided, the auxiliary power supply is carried out on more than one indoor unit by utilizing a solar panel (wind driven generator), and the existing air conditioner user can be ensured to be installed on the outer facade of the user while the environment-friendly electric energy is effectively utilized.
Disclosure of Invention
The utility model provides a directly drive air conditioner, its effective environmental protection energy of utilizing, electric energy utilization is high, and realizes energy-conservation.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
the utility model provides a directly drive air conditioner, includes indoor set, its characterized in that still includes:
a utility grid that outputs alternating current;
an AC-DC conversion device that converts alternating current output from the utility grid into a first direct current power supply;
the anode of the first diode is connected with the output end of the first direct-current power supply, and the cathode of the first diode is connected with the power supply end of the indoor unit;
a new energy power generation device that outputs a second direct current power supply;
the energy power generation detection device is used for judging whether the new energy power generation device generates power normally;
the anode of the second diode is connected with the output end of the second direct-current power supply, and the cathode of the second diode is connected between the cathode of the first diode and the power supply end;
an energy storage battery that outputs a third direct current power supply;
the first change-over switch is connected to a charging circuit of the energy storage battery;
the electric quantity detection module is used for judging the electric quantity of the energy storage battery;
the battery management unit is used for carrying out charging management on the energy storage battery;
the second change-over switch is connected to a power supply circuit for supplying power to the indoor unit by the energy storage battery;
the control module is connected with the energy power generation detection device, the electric quantity detection module, the first change-over switch, the second change-over switch and the indoor unit;
and the output voltages of the first direct current power supply, the second direct current power supply and the third direct current power supply are increased in sequence.
In some embodiments of the present application, the direct drive air conditioner further comprises: and a coil of the first relay is connected with the control module, and the first change-over switch is a normally open switch of the first relay.
In some embodiments of the present application, the direct drive air conditioner further comprises: and a coil of the second relay is connected with the control module, and the second change-over switch is a normally open switch of the second relay.
In some embodiments of the present application, the first switch is connected on a line between a connection point of a cathode of the first diode and a cathode of the second diode and an input terminal of the battery management unit.
In some embodiments of the present application, the new energy power generation device is a solar panel battery pack or a wind power generator.
In some embodiments of the present application, when the new energy power generation device is a solar panel battery pack, the energy power generation detection device is a light intensity detection module, which is used for detecting whether the sunlight intensity satisfies the normal power generation of the solar panel battery pack.
In some embodiments of the present application, when the new energy power generation device is a wind power generator, the energy power generation detection device is a wind power detection module, which is used to detect whether the wind power strength satisfies the normal power generation of the wind power generator.
In some embodiments of the present application, when the new energy power generation device supplies power to the indoor unit, or the utility power grid supplies power to the indoor unit, the first switch switches off.
The utility model provides a direct-drive air conditioner, the commercial power electric wire netting provides the first DC power through AC-DC conversion equipment, new forms of energy power generation facility provides the second DC power, the energy storage battery provides the third DC power, the first DC power, the second DC power and the third DC power increase in proper order, when the indoor set starts, if the new forms of energy power generation facility can satisfy normal power generation, utilize the new forms of energy power generation facility to supply power to the indoor set through the second diode, if the new forms of energy power generation facility can not satisfy normal power generation and the energy storage battery electric quantity is sufficient, utilize the energy storage battery to supply power to the indoor set, if the new forms of energy power generation facility can not satisfy normal power generation and the energy storage battery electric quantity is insufficient, utilize the commercial power electric wire netting to supply power to the indoor set, satisfy the prior use of environmental protection electric energy, the commercial power electric wire netting energy is saved, and, the utilization rate of electric energy is improved.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a block diagram of a direct-drive air conditioner according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1, there is shown a block diagram of a direct drive air conditioner in the present application.
The utility grid 1 outputs Alternating Current, the Alternating Current is converted into direct Current through an AC (Alternating Current) -DC (direct Current) conversion device 2, and the direct Current converted and output by the utility grid 1 is marked as a first direct Current power supply, and the output voltage is marked as U1.
In the present application, the AC-DC conversion device 2 may be selected as an alternating current power converter or an adapter; the alternating current-direct current conversion circuit which is set up by the existing circuit and can convert the alternating current of the commercial power into the direct current can be selected, and the specific circuit implementation can refer to the prior art.
A first diode D1 is connected between the output terminal of the first dc power supply and the power supply terminal of the indoor unit a, the anode thereof is connected to the output terminal of the first dc power supply, and the cathode thereof is connected to the power supply terminal of the indoor unit a.
The new energy power generation device refers to a device that generates power by using new energy (e.g., solar energy, wind energy), such as the solar panel battery 3 and the wind power generator.
The direct current power supply output by the new energy power generation device is marked as a second direct current power supply, and the output voltage of the second direct current power supply is marked as U2.
A second diode D2 is connected between the output terminal of the second dc power supply and the power supply terminal of the indoor unit a, the anode thereof is connected to the output terminal of the second dc power supply, and the cathode thereof is connected between the cathode of the first diode D1 and the power supply terminal of the indoor unit a.
And the energy power generation detection device is used for judging whether the new energy power generation device generates power normally.
If the new energy power generation device is the solar panel battery pack 3, the energy power generation detection device is correspondingly the light intensity detection module 4.
The light intensity detection module 4 is used for detecting the sunlight intensity and judging whether the sunlight intensity detected at present meets the normal power generation of the solar panel battery pack 3. The light intensity detection module 4 is connected with the control module 5, and is used for transmitting the judgment result of the light intensity detection module 4 to the control module 5.
When the intensity of the sunlight detected by the light intensity detection module 4 is greater than a certain threshold, it can be stated that the solar panel battery 3 can normally generate electricity.
And if the new energy power generation device is a wind driven generator, the energy power generation detection device corresponds to a wind power detection module.
The wind power detection module is used for detecting the wind power intensity and judging whether the current detected wind power intensity meets the normal power generation of the wind driven generator. The wind power detection module is connected with the control module 5 and is used for transmitting the judgment result of the wind power detection module to the control module 5.
When the detected wind strength is greater than a certain threshold value, it can be said that the wind power generator can normally generate power.
For convenience of explanation, the solar panel battery 3 is explained as an example as follows.
The electric energy that the energy storage battery 6 can store can be provided by the solar panel battery 3 or by the utility grid 1. Preferably, the electric energy is provided by the solar panel battery pack 3, so that the environment-friendly energy is effectively utilized.
The dc power output by the energy storage battery 6 is denoted as a third dc power, and the output voltage thereof is denoted as U3.
However, in consideration of the situation that the indoor unit a needs to be started when the sunlight intensity is insufficient and the utility power grid 1 is powered off, the energy storage battery 6 needs to be kept in a full-power standby state, the energy storage battery 6 can store energy by using solar energy when the sunlight intensity is sufficient, and the utility power grid 1 can store energy when the sunlight intensity is insufficient.
The electric quantity detection module 7 detects the electric quantity of the energy storage battery 6 in real time and judges the current detected electric quantity. The electric quantity detection module 7 is connected with the control module 5 and used for transmitting the judgment result of the electric quantity detection module 7 to the control module 5.
The battery management unit 8 is used for managing the electric energy input to the energy storage battery 6 and performing charging control on the energy storage battery 6.
A first switch 9 is provided on a charging line for charging the energy storage battery 6, and the battery management unit 8 is connected between the energy storage battery 6 and the first switch 9.
A second change-over switch 10 is provided on the power supply line of the energy storage battery 6 for supplying power to the indoor unit a.
The first and second changeover switches 9, 10 are each controlled by the control module 5.
When the first switch 9 is turned off, the energy storage battery 6 cannot be supplied with power through the battery management unit 8, and when the first switch 9 is turned on, the energy storage battery 6 can be supplied with power through the battery management unit 8.
When the second switch 10 is turned off, the energy storage battery 6 cannot supply power to the indoor unit a, and when the second switch 10 is turned on, the energy storage battery 6 supplies power to the indoor unit a.
In addition, the control module 5 is also connected to the indoor unit a and is configured to control on/off of the indoor unit a or obtain an on/off state of the indoor unit a.
Referring to fig. 1, a process of supplying power to the indoor unit a of the direct drive air conditioner is described in detail as follows.
[ charging of energy storage Battery ]
When the direct-drive air conditioner is not started, the control module 5 acquires the working state of the indoor unit A which is closed, when the light intensity detection module 4 judges that the sunlight intensity is sufficient, the first diode D1 is cut off due to the fact that U1 is smaller than U2, and the control module 5 controls the first switch 9 to be switched on, so that the solar panel battery pack 3 charges the energy storage battery 6 through the second diode D2, the first switch 9 and the battery management unit 8, and storage is facilitated.
When the direct-drive air conditioner is not started, if the light intensity detection module 4 judges that the sunlight intensity is insufficient to U1> U2, the control module 5 cannot control the first switch 9 to be switched on, and the electric energy waste caused by the charging of the energy storage battery 6 by the commercial power grid 1 is avoided.
[ Power supply to indoor Unit ]
When the direct-drive air conditioner is started, the control module 5 acquires the starting working state of the indoor unit a, and when the light intensity detection module 4 judges that the sunlight intensity is sufficient, the first diode D1 is cut off and the second diode D2 is switched on because the U1 is greater than the U2 and greater than the U3, and the solar panel battery pack 3 supplies power to the indoor unit a through the second diode D2.
Meanwhile, the control module 5 controls the first switch 9 to be turned off according to the sunlight intensity and the working state judgment of the indoor unit a, and the energy storage battery 6 is not charged when the solar panel battery pack 3 supplies power to the indoor unit a.
When the direct-drive air conditioner is started, if the light intensity detection module 4 judges that the sunlight intensity is insufficient, during the working period of the indoor unit a, the U2 is continuously pulled down, so that the U1> the U2, if the electric quantity of the energy storage battery 6 is detected to be sufficient at the same time, the judgment result shows that the U2 is less than the U3, and the U1 is less than the U3, so that the first diode D1 and the second diode D2 are both cut off, the control module 5 synthesizes the sunlight intensity, the electric quantity of the energy storage battery 6 and the working state judgment of the indoor unit a to control the second change-over switch 10 to be switched on, and at the moment, the energy storage battery 6 supplies power.
When the direct-drive air conditioner is started, if the light intensity detection module 4 judges that the sunlight intensity is insufficient, the U2 is continuously pulled down during the working period of the indoor unit a, so that the U1> the U2, and if the electric quantity of the energy storage battery 6 is detected to be insufficient at the same time, the control module 5 cannot control to switch on the second change-over switch 10, at this time, the first diode D1 is switched on, the second diode D2 is switched off, and the commercial power grid 1 supplies power to the indoor unit a through the AC-DC conversion device 2 and the first diode D1.
Meanwhile, the control module 5 integrates the sunlight intensity, the electric quantity of the energy storage battery 6 and the working state judgment of the indoor unit a to control the first switch 9 to be switched off, and when the commercial power grid 1 supplies power to the indoor unit a, the commercial power grid 1 is not used for charging the energy storage battery 6, so that the electric energy is saved.
According to the direct-drive air conditioner, when the sunlight intensity is sufficient, the solar panel battery pack 3 is preferentially used for supplying power to the indoor unit A; when the sunlight intensity is insufficient and the electric quantity of the energy storage battery 6 is sufficient, the energy storage battery 6 is used for supplying power to the indoor unit A; when the sunlight intensity is insufficient and the electric quantity of the energy storage battery 6 is insufficient, the commercial power grid 1 is used for supplying power to the indoor unit A, so that the environment-friendly energy is effectively utilized, the energy consumption is saved, and the energy utilization rate is improved.
Indoor set A in this application indicates an indoor set or more than an indoor set, utilizes one set of solar panel auxiliary power supply unit to supply power for directly driving many indoor sets of air conditioner jointly, effectively utilizes this solar panel auxiliary power supply unit, and the air conditioner user all can be at this solar panel of oneself facade installation.
In the present application, the first switch 9 and the second switch 10 are normally open switches of relays, respectively, the first switch 9 is a normally open switch of a first relay (not shown), and the second switch 10 is a normally open switch of a second relay (not shown).
The coil of the first relay and the coil of the second relay are powered on or powered off under the control of the control module 5. When the coil of the first relay is energized, the first switch 9 is turned on, and when the coil of the first relay is de-energized, the first switch 9 is turned off. When the coil of the second relay is energized, the second change-over switch 10 is turned on, and when the coil of the first relay is de-energized, the second change-over switch 10 is turned off.
Of course, the first switch 9 and the second switch 10 may also adopt other electronic switches that can be controlled by the control module 5 to be turned on and off, such as an optical coupler, a silicon controlled rectifier, and the like.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.
Claims (6)
1. The utility model provides a directly drive air conditioner, includes indoor set, its characterized in that still includes:
a utility grid that outputs alternating current;
an AC-DC conversion device that converts alternating current output from the utility grid into a first direct current power supply;
the anode of the first diode is connected with the output end of the first direct-current power supply, and the cathode of the first diode is connected with the power supply end of the indoor unit;
a new energy power generation device that outputs a second direct current power supply;
the energy power generation detection device is used for judging whether the new energy power generation device generates power normally;
the anode of the second diode is connected with the output end of the second direct-current power supply, and the cathode of the second diode is connected between the cathode of the first diode and the power supply end;
an energy storage battery that outputs a third direct current power supply;
the first change-over switch is connected to a charging circuit of the energy storage battery;
the electric quantity detection module is used for judging the electric quantity of the energy storage battery;
the battery management unit is used for carrying out charging management on the energy storage battery;
the second change-over switch is connected to a power supply circuit for supplying power to the indoor unit by the energy storage battery;
the control module is connected with the energy power generation detection device, the electric quantity detection module, the first change-over switch, the second change-over switch and the indoor unit;
and the output voltages of the first direct current power supply, the second direct current power supply and the third direct current power supply are increased in sequence.
2. The direct drive air conditioner as recited in claim 1 further comprising:
a coil of the first relay is connected with the control module, and the first change-over switch is a normally open switch of the first relay;
and a coil of the second relay is connected with the control module, and the second change-over switch is a normally open switch of the second relay.
3. The direct-drive air conditioner as claimed in claim 1 or 2, wherein the first switch is connected on a line between a connection point of the cathode of the first diode and the cathode of the second diode and the input terminal of the battery management unit.
4. The direct-drive air conditioner as claimed in claim 1, wherein the new energy power generation device is a solar panel battery pack or a wind power generator.
5. The direct-drive air conditioner as claimed in claim 4, wherein when the new energy power generation device is a solar panel battery pack, the energy power generation detection device is a light intensity detection module for detecting whether the sunlight intensity meets the requirement of normal power generation of the solar panel battery pack;
when the new energy power generation device is a wind driven generator, the energy power generation detection device is a wind power detection module and is used for detecting whether the wind power strength meets the requirement of normal power generation of the wind driven generator.
6. The direct-drive air conditioner as claimed in claim 1, wherein the first switch is turned off when the new energy power generation device supplies power to the indoor unit or when the commercial power grid supplies power to the indoor unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020418904.7U CN211556975U (en) | 2020-03-27 | 2020-03-27 | Direct-drive air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020418904.7U CN211556975U (en) | 2020-03-27 | 2020-03-27 | Direct-drive air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211556975U true CN211556975U (en) | 2020-09-22 |
Family
ID=72496029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020418904.7U Active CN211556975U (en) | 2020-03-27 | 2020-03-27 | Direct-drive air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211556975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234307A (en) * | 2021-11-17 | 2022-03-25 | 青岛海尔空调器有限总公司 | Solar air conditioner, control method thereof, electronic device and storage medium |
-
2020
- 2020-03-27 CN CN202020418904.7U patent/CN211556975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234307A (en) * | 2021-11-17 | 2022-03-25 | 青岛海尔空调器有限总公司 | Solar air conditioner, control method thereof, electronic device and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103178553B (en) | A kind of family expenses mixed power supply system | |
| CN101917054B (en) | With the direct current varied-frequency air conditioner of solar cell | |
| CN101860270B (en) | Access system for adequately utilizing wind energy and solar energy and realization method thereof | |
| CN103047601B (en) | The emergency lighting that energy mix is powered and evacuation guidance device | |
| CN104092236A (en) | Hybrid renewable energy and energy storage system power supply system and control method thereof | |
| CN201750209U (en) | Variable frequency air-conditioning power supply system with wind energy and solar energy cooperated with commercial power complementarily | |
| CN104242369A (en) | Novel intelligent multi-energy multi-mode uninterruptible power supply | |
| CN201177349Y (en) | Air conditioner controller and air conditioning system | |
| CN111313535B (en) | Direct-drive air conditioner | |
| CN211556975U (en) | Direct-drive air conditioner | |
| CN113659671A (en) | Energy conversion management system and method | |
| CN103196194A (en) | Power-grid-complementary solar variable-frequency air conditioner | |
| CN203261261U (en) | Community intelligent power-using system | |
| CN101902068B (en) | Alternating current/direct current power supply conversion control system | |
| CN102185358A (en) | Simple and practical movable uninterruptible power supply | |
| CN201966662U (en) | Solar household power generation system | |
| CN104518561A (en) | Civil direct current system and direct current power supply method | |
| CN201328017Y (en) | Power supply device for permanent-magnetic mechanism circuit breaker | |
| CN203151120U (en) | Household hybrid power supply system | |
| CN213273044U (en) | Novel power supply control system of solar fresh air dust remover | |
| CN101917059A (en) | Wind energy-solar-commercial power complementary elevator power supply system | |
| CN211063354U (en) | Wind-solar energy storage and commercial power complementary power supply control system | |
| CN201758365U (en) | Alternating-current/direct-current power conversion control device | |
| CN103075705B (en) | The emergency lighting device that energy mix is powered | |
| CN202111490U (en) | Mobile uninterrupted power source of being simple and practical |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |