CN109899873A - A kind of HVAC system of energy mix - Google Patents
A kind of HVAC system of energy mix Download PDFInfo
- Publication number
- CN109899873A CN109899873A CN201711280654.4A CN201711280654A CN109899873A CN 109899873 A CN109899873 A CN 109899873A CN 201711280654 A CN201711280654 A CN 201711280654A CN 109899873 A CN109899873 A CN 109899873A
- Authority
- CN
- China
- Prior art keywords
- energy
- wind
- outdoor
- air
- battery
- 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.)
- Withdrawn
Links
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
Abstract
The present invention relates to a kind of HVAC systems of energy mix, including outdoor aspiration channel, outdoor air-exhausting duct, setting fresh air host indoors and set electric heating warming device indoors, it is equipped with wind power generation plant at the air inlet of the outdoor aspiration channel and the air outlet of outdoor air-exhausting duct, the wind wheel of wind power generation plant is located in the air inlet and in the air outlet；Wind power generation plant is connect with wind energy battery, and direct current is converted to the alternating current for being used for powering for the electric heating warming device by inverter by wind energy battery.The present invention provides electric energy by wind energy battery for electric heating warming device and heats by storing in wind energy battery fresh air system in the wind energy transformation that outdoor air inlet and the outlet generate for electric energy.The wind energy recycling and reusing that the present invention generates fresh air, prevent the energy scatter and disappear, regenerative electric energy is utilized in electric heating warming device, and the energy is recycled, it is energy saving and be conducive to environmental protection.
Description
Technical field
The invention belongs to heating and ventilation technical fields, and in particular to a kind of HVAC system of energy mix.
Background technique
It is still city using municipal heating systems, region heat supply network or fairly large concentration boiler room as the central heating system of heat source
The main body of house heating mode, but this mode, there are heat supply efficiency low cost is at high cost, pipe network popularity rate is limited, is not able to satisfy
The problems such as urban development demand, so many one residentials and many families cannot be linked into the pipe network of central heating.?
Urban parts area and the vast rural areas family still use the modes such as coal-fired or natural gas to carry out as unit of family temporarily
It is main at present temporarily to have from heating measure from heating: using interim boiler heating, using space heater or split-type air conditioner,
And oil drum stove etc., wherein electrothermal heating is big to the demand of electric energy, consumes a large amount of electric energy and cannot efficiently use electric energy, no
Conducive to energy conservation and environmental protection, and it is seriously polluted.
Summary of the invention
Energy waste is caused in order to solve the problems, such as that heating system existing in the prior art is unable to effective use of energy sources, this
Invention provides a kind of HVAC system of energy mix, by heat recovery complementation, improves the utilization rate of the energy.The present invention
Technical problems to be solved are achieved through the following technical solutions: a kind of HVAC system of energy mix, including outdoor aspiration channel, room
External air exhausting tube, setting fresh air host indoors and electric heating warming device indoors is set, outdoor aspiration channel and outdoor air draft
Wind is equipped at the connection of fresh air host described in Guan Junyu, the air inlet of the outdoor aspiration channel and the air outlet of outdoor air-exhausting duct
Power generation device, the wind wheel of wind power generation plant are located in the air inlet and in the air outlet；Wind power generation plant
It is connect with wind energy battery, wind energy battery, which is converted to direct current by inverter, to be used for as electric heating warming device confession
The alternating current of electricity；
The wind power generation plant further includes being fixed on outdoor shell, gear speeder, microgenerator and charger,
Gear speeder, microgenerator and charger are arranged in the shell, and the wind wheel is arranged in the shell exterior, wind
The output shaft of wheel passes through the input axis connection of low-speed shaft coupler and gear speeder, and the output shaft of gear speeder is joined by high speed
The connection of the shaft of axis device and microgenerator, microgenerator are connect by conducting wire with charger, and charger passes through conducting wire and wind
Energy storage device connection.
It further, further include that outdoor solar energy photovoltaic panel, solar controller, solar storage battery and control are set
Molding block；The solar energy photovoltaic panel is connected with the input terminal of the solar controller, the output end of solar controller with
Solar storage battery is connected, and direct current is converted to by the inverter and is used for as the electric heating by solar storage battery
The alternating current of device power supply；
The control module includes single-chip microcontroller, relay and voltage comparator, and the control module is according to voltage comparator
The working condition of the voltage-regulating relay of acquisition；
The wind energy battery is connected with the input terminal of voltage comparator, the output end of voltage comparator and single-chip microcontroller it is defeated
Enter end to be connected, the output end of single-chip microcontroller is connected with the input terminal of relay, and relay is to switch the solar storage battery institute
In the on-off of output circuit where the on-off of output circuit and the wind energy battery.
Further, the shell is fixed on outdoor wall by fixed bracket, and fixed bracket is anti-equipped with semi shade type
Canopy.
Further, atomizer is installed on the indoor air inlet of the fresh air host, atomizer passes through water service pipe and room
Interior water source connection；, water service pipe is equipped with solenoid valve；Atomizer is equipped with multiple atomisation outlets, and atomization spray is equipped on atomisation outlet
Head.
Beneficial effects of the present invention: the wind energy transformation that the present invention is generated by the air inlet and the outlet by fresh air system in outdoor
It is stored in battery for electric energy, provides electric energy by wind energy battery for electric heating warming device and heat.The present invention will
The wind energy recycling and reusing that fresh air generates prevents the energy to scatter and disappear, and regenerative electric energy is utilized in electric heating warming device, and the energy is followed
Ring utilize, it is energy saving and be conducive to environmental protection.In addition, the present invention is by solar energy to electric energy needed for electric heating warming device
It is supplemented, multi-energy complementation recycles, and improves energy utilization rate.
The present invention is described in further details below with reference to accompanying drawings and embodiments.
Detailed description of the invention
Fig. 1 is energy mix HVAC system structure diagram；
Fig. 2 is fixing rack structure schematic diagram；
Fig. 3 is air inlet structure schematic diagram in fresh air machine hall；
Fig. 4 is control module schematic block circuit diagram.
Fig. 5 is the circuit diagram of charger.
Fig. 6 is the circuit diagram of voltage comparator.
In figure: 1, outdoor aspiration channel；2, outdoor air-exhausting duct；3, fresh air host；4, electric heating warming device；5, high speed shaft coupling
Device；6, wind wheel；7, wind energy battery；8, shell；9, gear speeder；10, microgenerator；11, charger；12, low speed joins
Axis device；13, solar energy photovoltaic panel；14, solar controller；15, solar storage battery；16, single-chip microcontroller；17, relay；18,
Voltage comparator；19, fixed bracket；20, semi shade type rain cover；21, atomizer；22, water service pipe；23, atomizer；24, electric
Magnet valve；25, wall.
Specific embodiment
Reach the technical means and efficacy that predetermined purpose is taken for the present invention is further explained, below in conjunction with attached drawing and reality
Example is applied to a specific embodiment of the invention, structure feature and its effect, detailed description are as follows.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance or the quantity for implicitly indicating indicated technical characteristic.The feature of " first ", " second " etc. is defined as a result,
It can explicitly or implicitly include one or more of the features.In the description of the invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can pass through
Concrete condition understands concrete meaning of the above-mentioned term in the invention.
Embodiment 1:
Energy waste is caused in order to solve the problems, such as that heating system is unable to effective use of energy sources, it is mixed that the present embodiment provides one kind
The HVAC system for closing the energy including outdoor aspiration channel 1, outdoor air-exhausting duct 2, is arranged fresh air host 3 indoors and sets indoors
Electric heating warming device 4, outdoor aspiration channel 1 and outdoor air-exhausting duct 2 are connected to fresh air host 3.The air inlet of outdoor aspiration channel 1
It is equipped with wind power generation plant at mouthful and at the air outlet of outdoor air-exhausting duct 2, the wind wheel 6 of wind power generation plant is located at air inlet
In mouthful and in air outlet；Wind power generation plant is connect with wind energy battery 7, and wind energy battery 7 is turned direct current by inverter
It is exchanged for the alternating current powered for electric heating warming device 4.Central ventilation system can effectively be purified outdoor air
It is sent into indoor, guarantee indoor air quality, conducive to health afterwards.Fresh air host 3 sucks outdoor air, and then purification is sent into
Interior, and outdoor is discharged in foul indoor air.When fresh air host 3 works, outside air passes through outdoor aspiration channel 1 and enters fresh air
Host generates air-flow in the air inlet of outdoor aspiration channel 1, when air is discharged, room is discharged in air by outdoor air-exhausting duct 2
Outside, air-flow is generated therefore at the air outlet of outdoor air-exhausting duct 2；The wind wheel 6 of the air stream drives wind power generation plant of generation rotates,
To generate in secondary power storage to wind energy battery 7, direct current is converted to electric heating by inverter by wind energy battery 7
The alternating current that heating installation 4 is powered.Electric heating warming device 4 can be the devices such as space heater, electric blanket and electric kettle, wind
The electric energy of energy storage device 7 may be that other household electrical appliance provide power supply.Fresh air system can twenty four hours work throughout the year
Make, the wind energy of its generation can be recycled in fresh air system work, wind energy is then converted into electric energy and is used.Especially in the winter
Season can utilize the electricity stored in the electric energy and wind energy battery 7 of the wind energy transformation of its production while using fresh air system
It can be carried out heating, the required electric energy of electric heating warming device 4 is provided by regenerative electric energy, and the energy is sufficiently recycled, and saves energy
Source is conducive to environmental protection.
Wind power generation plant further includes being fixed on outdoor shell 8, gear speeder 9, microgenerator 10 and charger
11, shell 8 passes through fixed bracket 19 and is fixed on outdoor wall 25, and fixed bracket 19 is equipped with semi shade type rain cover 20, and half hides
Formula rain cover 20 covers support bracket fastened top and a part of side, prevents rainwater from entering wind power generation plant and prevents rainwater
Enter fresh air host 3 by outdoor aspiration channel 1.Gear speeder 9, microgenerator 10 and charger 11 are arranged at shell 8
Interior, wind wheel 6 is arranged outside shell 8, and the output shaft of wind wheel 6 is connected by the input shaft of low-speed shaft coupler 12 and gear speeder 9
It connects, the output shaft of gear speeder 9 is connect by high-speed coupling 5 with the shaft of microgenerator 10, and microgenerator 10 is logical
It crosses conducting wire to connect with charger 11, charger 11 is connect by conducting wire with wind energy battery 7.The principle of wind-power electricity generation is to utilize wind
Power band wind wheel rotates, then is promoted the speed of rotation by booster engine, to promote electrical power generators.The air inlet of outdoor aspiration channel 1
The air stream drives wind wheel 6 that mouth generates rotates, and the output shaft of wind wheel 6 reaches microgenerator 10 after raising speed by gear speeder 9
Rated speed generate electricity, microgenerator 10 export be alternating current, by charger 11 rectification after, to wind energy battery
7 charge, and wind energy battery 7 is exported after inverter is converted into the alternating current that can be powered after charging and used.Fig. 5 is to fill
The circuit diagram of electric appliance 11, GB indicate that wind energy battery, the alternating voltage-V from microgenerator become arteries and veins through UR rectification
After rushing DC voltage+V, it is added on the anode of VTl and VT2.When battery GB voltage is lower, the pulse voltage+V is through Rl, VS
After partial pressure, trigger voltage is provided for the gate pole of VTl, makes VTl by triggering and conducting.After VTl conducting ,+V voltage is VT2 through VTl and R2
Gate pole trigger voltage is provided, make VT2 also triggering and conducting ,+V voltage charges to CB by VT2.When GB both end voltage reaches the upper limit
Voltage, VS breakdown conducting, ends VTl and VT2, GB stops charging.Wind power generation plant further includes electronic controller, for working as
Gear speeder and microgenerator stop the operation of wind power generation plant when overheating.
Embodiment 2: place unlike the embodiments above is that the energy mix HVAC system of the present embodiment further includes setting
In outdoor solar energy photovoltaic panel 13, solar controller 14, solar storage battery 15 and control module；Solar energy photovoltaic panel
13 are connected with the input terminal of solar controller 14, and the output end of solar controller 14 is connected with solar storage battery 15, too
Direct current is converted to the alternating current for being used for powering for electric heating warming device 4 by inverter by positive energy storage device 15.Solar energy
Battery 15 may be that electric heating warming device 4 provides electric energy by control module, to realize the complementation of electric energy, realize multipotency
Source complementary cycle utilizes, energy saving, is conducive to environmental protection.
Specifically, control module includes single-chip microcontroller 16, relay 17 and voltage comparator 18, control module is according to voltage ratio
Compared with the working condition for the voltage-regulating relay 17 that device 18 acquires；Wind energy battery 7 is connected with the input terminal of voltage comparator 18,
The output end of voltage comparator 18 is connected with the input terminal of single-chip microcontroller 16, the output end of single-chip microcontroller 16 and the input terminal of relay 17
It is connected, relay 17 is to output circuit where the on-off and wind energy battery of output circuit where switching solar storage battery
On-off, relay are connected with 15 place output circuit of solar storage battery and 7 place output circuit of wind energy battery.Work as voltage
Comparator 18 acquires the voltage of wind energy battery 7 and sends the signal to single-chip microcontroller 16, when the voltage of acquisition is lower than predetermined voltage
When, i.e., 15 low battery of wind energy battery, single-chip microcontroller 16 control the output circuit that relay 17 connects solar storage battery 15,
Solar storage battery 15 is powered to electric heating warming device 4 at this time, is formed complementary power supply, is made full use of extra power.Electric heating
The electric energy that heating installation 4 is provided using solar energy, reduces the consumption of family's alternating current, the power supply for alleviating family's alternating current is tight
, save the energy.18 input terminal of voltage comparator accesses the voltage of wind energy battery 7, and output end accesses AT89C51 type list
The model AT89C51 type for the single-chip microcontroller 16 that piece machine, i.e. the present embodiment use, the output end and relay 17 of single-chip microcontroller 16 connect
It connects, when voltage comparator 18 exports high level or low level, the contact that single-chip microcontroller 16 controls relay 17 is open or closed to lead
Output circuit where logical 15 place output circuit of solar storage battery or wind energy battery.If Fig. 6 is the circuit of voltage comparator
Schematic diagram.
Embodiment 3: place unlike the embodiments above is a kind of HVAC system of energy mix of the present embodiment, fresh air
Atomizer 21 is installed on the indoor air inlet of host 3, atomizer 21 is connect by water service pipe 22 with indoor water source；Atomizer
21 are equipped with multiple atomisation outlets, and atomizer 23 is equipped on atomisation outlet, and water service pipe 22 is equipped with solenoid valve 23.As fresh air master
When machine 3 is started to work, solenoid valve 23 is opened, and atomizer 21 is started to work, and the water mist that atomizer 21 generates passes through atomizer 23
It sprays, interior is effectively humidified, keep indoor air humidity, keep air humidity while carrying out air cleaning, be
Indoor life and work provides a comfortable environment.
The operation principle of the present invention is that: open fresh air host 3, the air stream drives wind that the air inlet of outdoor aspiration channel 1 generates
6 rotation of wheel, the output shaft of wind wheel 6 reaches microgenerator 10 rated speed after raising speed by gear speeder 9 generate electricity,
What microgenerator 10 exported is alternating current, after the rectification of charger 11, is charged to wind energy battery 7, wind energy electric power storage
Pond 7 exports after inverter is converted into the alternating current that can be powered after charging and uses, and powers for electric heating warming device 4.It is outdoor
The wind power generation plant that air-exhausting duct 2 goes out also starts simultaneously at work.Solar energy photovoltaic panel 13 is the sun by solar controller 14
Energy storage device 15 charges, when the voltage of wind energy battery 7 is lower than predetermined voltage, i.e. 15 low battery of wind energy battery,
Single-chip microcontroller 16 controls the output circuit that relay 17 connects solar storage battery 15, and solar storage battery 15 takes to electric heating at this time
Heater device 4 is powered, and complementary power supply is formed.The present invention forms the heating and ventilation system of energy mix, effectively utilizes the energy.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (4)
1. the HVAC system of a kind of energy mix, including outdoor aspiration channel (1), outdoor air-exhausting duct (2), the fresh air of setting indoors
Host (3) and set electric heating warming device (4) indoors, outdoor aspiration channel (1) and outdoor air-exhausting duct (2) with the fresh air
Host (3) connection, it is characterised in that: equal at the air outlet of the air inlet of the outdoor aspiration channel (1) and outdoor air-exhausting duct (2)
Equipped with wind power generation plant, the wind wheel (6) of wind power generation plant is located in the air inlet and in the air outlet；Wind-force
Power generator is connect with wind energy battery (7), and direct current is converted to by inverter and is used for as the electricity by wind energy battery (7)
The alternating current of heating service device (4) power supply；
The wind power generation plant further include be fixed on outdoor shell (8), gear speeder (9), microgenerator (10) and
Charger (11), gear speeder (9), microgenerator (10) and charger (11) are arranged in the shell (8), described
Wind wheel (6) setting is external in the shell (8), and the output shaft of wind wheel (6) passes through low-speed shaft coupler (12) and gear speeder (9)
Input axis connection, the output shaft of gear speeder (9) connected by the shaft of high-speed coupling (5) and microgenerator (10)
It connects, microgenerator (10) is connect by conducting wire with charger (11), and charger (11) is connected by conducting wire and wind energy battery (7)
It connects.
2. a kind of HVAC system of energy mix according to claim 1, it is characterised in that: further include being arranged in outdoor
Solar energy photovoltaic panel (13), solar controller (14), solar storage battery (15) and control module；The solar energy photovoltaic panel
(13) it is connected with the input terminal of the solar controller (14), the output end and solar storage battery of solar controller (14)
(15) it is connected, direct current is converted to by the inverter and is used for as the electric heating warming device by solar storage battery (15)
(4) alternating current powered；
The control module includes single-chip microcontroller (16), relay (17) and voltage comparator (18), and the control module is according to electricity
Press the working condition of the voltage-regulating relay (17) of comparator (18) acquisition；
The wind energy battery (7) is connected with the input terminal of voltage comparator (18), the output end and list of voltage comparator (18)
The input terminal of piece machine (16) is connected, and the output end of single-chip microcontroller (16) is connected with the input terminal of relay (17), and relay (17) is used
To switch the on-off of solar storage battery place output circuit and the on-off of wind energy battery place output circuit.
3. a kind of HVAC system of energy mix according to claim 1 or 2, it is characterised in that: the shell (8) passes through
Fixed bracket (19) are fixed on outdoor wall, and fixed bracket (19) are equipped with semi shade type rain cover (20).
4. a kind of HVAC system of energy mix according to claim 1 or 2, it is characterised in that: the fresh air host (3)
Indoor air inlet on be installed with atomizer (21), atomizer (21) is connect by water service pipe (22) with indoor water source；, water service pipe
(22) solenoid valve (24) are equipped with；Atomizer (21) is equipped with multiple atomisation outlets, is equipped with atomizer (23) on atomisation outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711280654.4A CN109899873A (en) | 2017-12-07 | 2017-12-07 | A kind of HVAC system of energy mix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711280654.4A CN109899873A (en) | 2017-12-07 | 2017-12-07 | A kind of HVAC system of energy mix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109899873A true CN109899873A (en) | 2019-06-18 |
Family
ID=66938636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711280654.4A Withdrawn CN109899873A (en) | 2017-12-07 | 2017-12-07 | A kind of HVAC system of energy mix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109899873A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271862A (en) * | 2020-03-18 | 2020-06-12 | 苏州恒境环保科技有限公司 | Fresh air ventilation opening with power storage and screen display functions and energy supply method thereof |
-
2017
- 2017-12-07 CN CN201711280654.4A patent/CN109899873A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271862A (en) * | 2020-03-18 | 2020-06-12 | 苏州恒境环保科技有限公司 | Fresh air ventilation opening with power storage and screen display functions and energy supply method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209552979U (en) | A kind of direct-current charging post intelligent control cooling system | |
| CN102322695B (en) | Photovoltaic drive solar air collector | |
| CN203697979U (en) | Novel solar electric vehicle | |
| CN107101314A (en) | A kind of intelligent ecological saves passive room | |
| CN109899873A (en) | A kind of HVAC system of energy mix | |
| CN206648329U (en) | Solar water heater controller | |
| CN207975727U (en) | A kind of HVAC system of energy mix | |
| CN205276923U (en) | But energy -concerving and environment -protective type mobile home | |
| CN209482764U (en) | A kind of intelligent environment protection log cabin | |
| CN208489570U (en) | A kind of distribution box with generating function | |
| CN204460555U (en) | Bus stop Evaporative Cooling Air-conditioning System | |
| CN105705872A (en) | Intelligent energy-saving air conditioning system | |
| CN201945020U (en) | Solar and wind energy combined heat supply device | |
| CN204809945U (en) | Novel intelligence environmental protection garage system | |
| CN206387059U (en) | A kind of intelligent ecological saves passive room | |
| CN107191334A (en) | Wind energy conversion system and air conditioner | |
| CN209763407U (en) | Solar energy conversion power supply's new fan of total heat exchange | |
| CN109028426A (en) | A kind of new type solar energy operated type fresh air system | |
| CN208652700U (en) | A kind of air-heating bathroom heater switch based on single live wire power getting | |
| CN204629786U (en) | Solar energy negative ion air refreshing machine | |
| CN204648587U (en) | A kind of central air-conditioning energy-saving system | |
| CN210569041U (en) | Clean heating and ventilating air conditioner | |
| CN103925630B (en) | Adaptive-with-wind load power type off-grid wind power heat storage and heating system for rural residences | |
| CN102107167B (en) | Intelligent solar finish-baking room for automobile | |
| CN206861759U (en) | A kind of energy-saving type air conditioner of solar energy auxiliary power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190618 |
|
| WW01 | Invention patent application withdrawn after publication |