CN105928046A - Heating and ventilating control system for buildings and heat supply method of heating and ventilating control system - Google Patents
Heating and ventilating control system for buildings and heat supply method of heating and ventilating control system Download PDFInfo
- Publication number
- CN105928046A CN105928046A CN201610283987.1A CN201610283987A CN105928046A CN 105928046 A CN105928046 A CN 105928046A CN 201610283987 A CN201610283987 A CN 201610283987A CN 105928046 A CN105928046 A CN 105928046A
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- Prior art keywords
- water
- well
- heating
- pipe
- control system
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/11—Geothermal energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0053—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground receiving heat-exchange fluid from a well
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02B10/40—Geothermal heat-pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
- Air Conditioning Control Device (AREA)
Abstract
A heating and ventilating control system comprises a house, a well and a water tank, and is characterized in that a catch basin is mounted in the house, and is connected with a heating radiator by virtue of a connecting pipe. A baffle is arranged at the top in the house. An atomizer is arranged above the baffle. A water delivery pipeline is connected between the atomizer and the catch basin. A telescopic water pipe I and a telescopic water pipe II are arranged in the well. A filter sieve driven by a motor to rotate is mounted in the water tank. A filter hole and a water inlet are formed in the filter sieve. A water inlet pipe is connected between the water inlet and the telescopic water pipe II. A water pump I is arranged on the water inlet pipe. A filter screen is arranged at the water inlet end of a water outlet pipeline connected with the water tank. The heating and ventilating control system has the beneficial effects that by the characteristic that the temperature of water in a deep well is constant, the constant-temperature water is pumped out by the water pipes of the water pumps, the pipes are laid out indoors so as to achieve the effect of being cool in summer and warm in winter, and besides, the heating and ventilating control system is low-carbon and environmental-friendly.
Description
Technical field
The present invention relates to a kind of building HVAC regulator control system, belong to Heating, Ventilation and Air Conditioning (HVAC) Technology field.
Background technology
HVAC full name in discipline classification is that heat supply supplies combustion gas ventilating and air conditioning engineering, including: heating, ventilation, air regulation
These three aspect, is functionally an ingredient of building.Also it is that future home must an obligato part.
Application No. CN104764173A discloses and the invention discloses monitoring method, the device of a kind of heating ventilation air-conditioning system and be
System, relates to building monitoring technical field, it is achieved that by particular form, the operation conditions of heating ventilation air-conditioning system is enterprising at 3D model
Row is shown so that manager can get information about the actual state that in whole building, heating ventilation air-conditioning system runs, thus the most right
Heating ventilation air-conditioning system is adjusted, and enables heating ventilation air-conditioning system to meet energy-conservation standard.The method includes: according to architecture information
Model B IM, sets up 3D heating ventilation air-conditioning system model；Obtain the actual operation parameters of current heating ventilation air-conditioning system, by described HVAC
The actual operation parameters of air conditioning system shows in described 3D heating ventilation air-conditioning system model.Present invention is mainly used for HVAC in building
Air conditioning system is monitored and manages.
Another Application No. CN102519123A discloses a kind of heating and ventilating equipment system, including heating and ventilating equipment and control module, controls
Module is connected with heating and ventilating equipment circuit, and described heating and ventilating equipment system also includes intelligent chip, intelligent chip and control module circuit
Connect.The function information of the heating and ventilating equipment of correspondence can be write in intelligent chip, and be sent to control module；Control module is only
Could run well after receiving the function information that intelligent chip sends.The present invention facilitates the unified management of heating and ventilating equipment.
It is required for regulating temperature according to variations in temperature throughout the year in large-scale industrial premises, agricultural greenhouse, villa indoor at present
Degree, mostly the regulation to temperature at present is to utilize air-conditioning, and air-conditioning regulation power consumption is big, not environmentally..
Summary of the invention
Instant invention overcomes the problem that prior art exists, it is proposed that a kind of building HVAC regulator control system, this humidity control system
Regulated by the deep well water temperature of constant temperature, low-carbon environment-friendly.
The concrete technical scheme of the present invention is as follows:
Building HVAC regulator control system, including house, well and tank, it is characterised in that be provided with water leg, institute in described house
Stating water leg has radiator, described house inner top to be provided with dividing plate by connecting tube connection, and atomising device is laid in above dividing plate,
It is connected between described atomising device and water leg and has hydraulic pipeline；
Scalable water pipe one and scalable water pipe two it is provided with in described well；The filtration rotated by driven by motor is installed in described tank
Sieve, described sieves is provided with filtering holes and water inlet, and being connected between described water inlet with scalable water pipe two has water inlet pipe, institute
State water inlet pipe and be provided with water pump one；The outlet conduit water inlet end that tank connects is provided with filter screen.
Being provided with the changes in temperature equipment with water leg UNICOM outside described house, described tank is sequentially connected with check valve one, cold by outlet conduit
Heating equipment, water pump two, electromagnetic valve three, scalable water pipe one form circulation line one, and described circulation line one is provided with unidirectional
Valve and electromagnetic valve three；
Described scalable water pipe one is sequentially connected with check valve two by pipeline, water pump two, changes in temperature equipment, electromagnetic valve four enter outlet conduit
Loop is washed away in formation.
Also include that independent heating system, described independent heating system include thermal-arrest frame, uniform on described thermal-arrest frame parabolic lens is installed；Collection
Heat pipe is arranged on above parabolic lens, and its two ends connect drawing liquid pump one and drawing liquid pump two, wherein: drawing liquid pump one is connected with radiator,
Drawing liquid pump two is connected in well by water pipe five, and the connection of described radiator is simultaneously provided with drain pipe six and is connected with in well；
Being provided with regulating gate outside drawing liquid pump, parabolic lens is arc, and multiple parabolic lens are installed by collection sheet and are integrated to form circular arc, and
Being connected fixing by screw with light-collecting piece locking, parabolic lens two ends are laid with hole, location by axle center, are used for regulating thermal-collecting tube skew
Angle.
Preferentially, described sieves is inclined on tank, and its internal drive by helical axis has flight, foreign material outlet to be located at
The discharge end of sieves.
Preferentially, described house side is provided with exhaust fan.
Preferentially, in described house, temperature sensor is installed.
Preferentially, the short tube that described scalable water pipe one and scalable water pipe two-way too much root shell are connected with each other is spliced.
A kind of building heating method, it is characterised in that comprise the following steps:
1) by drawing liquid pump two, the well water in well is extracted out in feeding thermal-collecting tube；
2) light-collecting piece above parabolic lens is collected heat and begins to warm up thermal-collecting tube sunlight；
3) drawing liquid pump two started once every 30-60 minute, makes the well water in thermal-collecting tube be heated 30-60 minute, reaches heating temperature；
4) well water that heating is completed by liquid pump one is sent into the radiator in building and is carried out heat radiation heating；
5) well water of radiator is circulated in entering well.
Beneficial effects of the present invention: the present invention is in the feature of constant temperature by deep water well water, utilizes water pump water pipe to be extracted out by the water of constant temperature,
Carry out stringing in indoor, play effect cool in summer and warm in winter, simultaneously low-carbon environment-friendly.
Accompanying drawing explanation
Fig. 1 is the structural representation of building HVAC regulator control system of the present invention；
Fig. 2 is the structural representation of indoor deployments；
Fig. 3 is the structural representation of tank；
Fig. 4 is independent heating system structural representation；
Fig. 5 is thermal-arrest shelf structure schematic diagram；
Detailed description of the invention
Embodiment 1
As it can be seen, building HVAC regulator control system, including house 2, well 10 and tank 13, it is provided with in described house 2 and catchments
Groove 26, described water leg 26 is connected by connecting tube has radiator 27, described house 2 inner top to be provided with dividing plate 22, atomization dress
Putting 24 and be laid in above dividing plate 22, being connected between described atomising device 24 and water leg 26 has hydraulic pipeline；
Scalable water pipe 1 and scalable water pipe 2 11 it is provided with in described well 10；It is provided with by motor 19 in described tank 13
The sieves 18 being rotated, described sieves 18 is provided with filtering holes 15 and water inlet 17, described water inlet 17 with can stretch
Connecting between shrink pipe 2 11 has water inlet pipe 16, described water inlet pipe 16 to be provided with water pump 1；The outlet pipe that tank 13 connects
Road water inlet end is provided with filter screen.
Described house 2 is outside to be provided with and the changes in temperature equipment 3 of water leg 26 UNICOM, and changes in temperature equipment 3 connects solar heater, described
Tank 13 is sequentially connected with check valve 1, changes in temperature equipment 3, water pump 2 20, electromagnetic valve 38, scalable by outlet conduit
Water pipe 1 forms circulation line one, and described circulation line one is provided with check valve 21 and electromagnetic valve 38.
Scalable water pipe 1 is sequentially connected with check valve 25 by pipeline, water pump 2 20, changes in temperature equipment 3, electromagnetic valve 49 enter out
Waterpipe is formed and washes away loop.
Sieves 18 is inclined on tank 13, and its internal drive by helical axis 29 has flight 30, foreign material outlet 14 to set
Discharge end at sieves 18.House 2 side is provided with exhaust fan 1.Temperature sensor 25 is installed in house 2.Scalable water
The short tube that pipe 1 and scalable water pipe 2 11 are connected with each other by many shells is spliced.
Also include that independent heating system 50, described independent heating system 50 include thermal-arrest frame 53, uniform peace on described thermal-arrest frame 53
Equipped with parabolic lens 56；Thermal-collecting tube 55 is arranged on above parabolic lens 56, and its two ends connect drawing liquid pump one 51A and drawing liquid pump two 51B,
Wherein: drawing liquid pump one 51A is connected with radiator 27, drawing liquid pump two 51B is connected in well 10 by water pipe 5 58, described
Radiator 27 connection is simultaneously provided with drain pipe six and is connected in well 10；
Being provided with regulating gate 52 outside drawing liquid pump 51A, parabolic lens 56 is arc, and multiple parabolic lens 56 are pacified by collection sheet 60
Dress is integrated to form circular arc, and is connected fixing by screw 61 with light-collecting piece 60 locking, and parabolic lens 56 two ends are all laid by axle center
There is hole 57, location, be used for regulating thermal-collecting tube 55 deviation angle.
The operation principle of the present invention is such, and deep well constant temperature, 17 degree of effects, belongs to warm temperature in winter, belongs to cool in summer
Temperature, water pump 1 is by scalable water pipe 2 11 by the water extraction feeding sieves 18 of deep-well, and sieves 18 passes through motor
19 drive constantly rotation, are filtered out by the silt in water and are drained in foreign material outlet 14.
By entering, tank 13 is interior to be advanced in water leg 26 by water pump 2 20 suction along pipeline water after filtration,
If being in summer, then water tumbler feeding atomising device 24 carries out atomized spray, lower the temperature, if being in winter, then water enters
Radiator 27 dispels the heat, and current turn again in well 10 finally by electromagnetic valve 38, and so constantly circulation, reaches to subtract
The purpose that temperature heats.
In the continuous course of conveying of pipeline, the outlet conduit water inlet end that tank 13 connects is provided with at filter screen and is certain to for a long time by mud
Sand drift amasss, and therefore whole system will not work.Based on above-mentioned technical problem, than invention additionally provide a kind of to filter screen at
Mud carry out the pipeline of flush clean, basic functional principle is as follows, by utilizing water pump 2 20 from scalable water pipe 1 side
To drawing water, current are by check valve 25, water pump 2 20, changes in temperature equipment 3, the opposite direction of electromagnetic valve 49 entrance filter screen
Place, is rinsed the silt piled up near filter screen.
A kind of building heating method, comprises the following steps:
1) by drawing liquid pump two 51B, the well water in well 10 is extracted out in feeding thermal-collecting tube 55；
2) parabolic lens 56 light-collecting piece 60 above is collected heat and begins to warm up thermal-collecting tube 55 sunlight；
3) drawing liquid pump two 51B started once every 30-60 minute, made the well water in thermal-collecting tube 55 be heated 30-60 minute,
Reach heating temperature；
4) well water that heating is completed by liquid pump one 51A is sent into the radiator 27 in building and is carried out heat radiation heating；
5) well water of radiator 27 is circulated in entering well 10.
In addition to the implementation, the present invention can also have other embodiments.The skill that all employing equivalents or equivalent transformation are formed
Art scheme, all falls within the protection domain of application claims.
Claims (5)
1. building HVAC regulator control system, including house (2), well (10) and tank (13), it is characterised in that
Being provided with water leg (26) in described house (2), described water leg (26) is connected by connecting tube radiator (27),
Described house (2) inner top is provided with dividing plate (22), and atomising device (24) is laid in dividing plate (22) top, described atomization dress
Put to be connected between (24) with water leg (26) and have hydraulic pipeline；
Scalable water pipe one (7) and scalable water pipe two (11) it is provided with in described well (10)；Install in described tank (13)
Having the sieves (18) being rotated by motor (19), described sieves (18) is provided with filtering holes (15) and water inlet
Mouth (17), is connected between described water inlet (17) with scalable water pipe two (11) and has water inlet pipe (16), described water inlet pipe
(16) water pump one (12) it is provided with；The outlet conduit water inlet end that tank (13) connects is provided with filter screen.
The outside changes in temperature equipment (3) being provided with water leg (26) UNICOM in described house (2), described tank (13) passes through outlet pipe
Road is sequentially connected with check valve one (21), changes in temperature equipment (3), water pump two (20), electromagnetic valve three (8), scalable water pipe
One (7) forms circulation line one, and described circulation line one is provided with check valve (21) and electromagnetic valve three (8)；
Described scalable water pipe one (7) by pipeline be sequentially connected with check valve two (5), water pump two (20), changes in temperature equipment (3),
Electromagnetic valve four (9) enters outlet conduit formation and washes away loop；
Also include that independent heating system (50), described independent heating system (50) include thermal-arrest frame (53), described thermal-arrest frame (53)
Upper the most uniform parabolic lens (56) is installed；Thermal-collecting tube (55) is arranged on parabolic lens (56) above, and its two ends connect drawing liquid pump
One (51A) and drawing liquid pump two (51B), wherein: drawing liquid pump one (51A) is connected with radiator (27), drawing liquid pump two (51B)
Being connected in well (10) by water pipe five (58), described radiator (27) connection is simultaneously provided with drain pipe six and well (10)
Interior connection；
Drawing liquid pump (51A) is outside is provided with regulating gate (52), and parabolic lens (56) is arc, and multiple parabolic lens (56) are by collection
Sheet (60) is installed and is integrated to form circular arc, and is connected fixing by screw (61) with light-collecting piece (60) locking, parabolic lens (56)
Two ends are laid with hole, location (57) by axle center, are used for regulating thermal-collecting tube (55) deviation angle.
2. building HVAC regulator control system as claimed in claim 1, it is characterised in that described sieves (18) is inclined at water
On groove (13), its internal drive by helical axis (29) has flight (30), foreign material outlet (14) to be located at sieves
(18) discharge end.
3. building HVAC regulator control system as claimed in claim 1, it is characterised in that described house (2) side is provided with exhaust fan
(1)。
4. building HVAC regulator control system as claimed in claim 1, it is characterised in that be provided with temperature in described house (2) and pass
Sensor (25).
5. building HVAC regulator control system as claimed in claim 1, it is characterised in that described scalable water pipe one (7) and can stretching
The short tube that shrink pipe two (11) is connected with each other by many shells is spliced.
A kind of building heating method, it is characterised in that comprise the following steps:
1) by drawing liquid pump two (51B), the well water in well (10) is extracted out in feeding thermal-collecting tube (55)；
2) parabolic lens (56) light-collecting piece (60) above is collected heat and begins to warm up thermal-collecting tube (55) sunlight；
3) drawing liquid pump two (51B) started once every 30-60 minute, made the well water in thermal-collecting tube (55) be heated 30-60 minute,
Reach heating temperature；
4) well water that heating is completed by liquid pump one (51A) is sent into the radiator (27) in building and is carried out heat radiation heating；
5) well water of radiator (27) is circulated in entering well (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610283987.1A CN105928046B (en) | 2016-04-29 | 2016-04-29 | Building HVAC regulator control system and its heating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610283987.1A CN105928046B (en) | 2016-04-29 | 2016-04-29 | Building HVAC regulator control system and its heating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105928046A true CN105928046A (en) | 2016-09-07 |
| CN105928046B CN105928046B (en) | 2018-08-17 |
Family
ID=56836927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610283987.1A Active CN105928046B (en) | 2016-04-29 | 2016-04-29 | Building HVAC regulator control system and its heating method |
Country Status (1)
| Country | Link |
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| CN (1) | CN105928046B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135919A (en) * | 2021-12-03 | 2022-03-04 | 浙江诸安建设集团有限公司 | Self-cleaning heating and ventilation system and method for large building |
Citations (7)
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|---|---|---|---|---|
| JPH10311558A (en) * | 1997-05-13 | 1998-11-24 | Koa:Kk | Building cooling and heating apparatus using rain water stored in ground improvement foundation |
| CN2937880Y (en) * | 2006-07-07 | 2007-08-22 | 徐思珉 | Solar heating system |
| CN201014824Y (en) * | 2007-03-02 | 2008-01-30 | 张泽长 | Water in-situ recharge device for collecting superficial earth energy |
| CN201221822Y (en) * | 2008-06-02 | 2009-04-15 | 华升建设集团有限公司 | Ground water cold-hot apparatus for building |
| JP2012184908A (en) * | 2011-03-08 | 2012-09-27 | Chofu Seisakusho Co Ltd | Waterfall type solar hot water heating device |
| CN104973640A (en) * | 2015-07-17 | 2015-10-14 | 舟山市智海技术开发有限公司 | Seawater desalination salt collector |
| CN205037487U (en) * | 2015-09-30 | 2016-02-17 | 中建八局第二建设有限公司 | Board house circulating water mist cooling device |
-
2016
- 2016-04-29 CN CN201610283987.1A patent/CN105928046B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10311558A (en) * | 1997-05-13 | 1998-11-24 | Koa:Kk | Building cooling and heating apparatus using rain water stored in ground improvement foundation |
| CN2937880Y (en) * | 2006-07-07 | 2007-08-22 | 徐思珉 | Solar heating system |
| CN201014824Y (en) * | 2007-03-02 | 2008-01-30 | 张泽长 | Water in-situ recharge device for collecting superficial earth energy |
| CN201221822Y (en) * | 2008-06-02 | 2009-04-15 | 华升建设集团有限公司 | Ground water cold-hot apparatus for building |
| JP2012184908A (en) * | 2011-03-08 | 2012-09-27 | Chofu Seisakusho Co Ltd | Waterfall type solar hot water heating device |
| CN104973640A (en) * | 2015-07-17 | 2015-10-14 | 舟山市智海技术开发有限公司 | Seawater desalination salt collector |
| CN205037487U (en) * | 2015-09-30 | 2016-02-17 | 中建八局第二建设有限公司 | Board house circulating water mist cooling device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135919A (en) * | 2021-12-03 | 2022-03-04 | 浙江诸安建设集团有限公司 | Self-cleaning heating and ventilation system and method for large building |
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|---|---|
| CN105928046B (en) | 2018-08-17 |
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