CN109631141A - A kind of total heat recovery type super bath - Google Patents
A kind of total heat recovery type super bath Download PDFInfo
- Publication number
- CN109631141A CN109631141A CN201811572335.5A CN201811572335A CN109631141A CN 109631141 A CN109631141 A CN 109631141A CN 201811572335 A CN201811572335 A CN 201811572335A CN 109631141 A CN109631141 A CN 109631141A
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- China
- Prior art keywords
- evaporator
- condenser
- super bath
- recovery type
- type super
- 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
- F24D15/04—Other domestic- or space-heating systems using heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- 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
- F24D2200/12—Heat pump
- F24D2200/123—Compression type heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
- F24F2003/1446—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only by condensing
-
- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Central Heating Systems (AREA)
Abstract
The present invention relates to a kind of total heat recovery type super baths, including warm wind blower (7) and heat pump system, the heat pump system includes by connecting refrigerant lines along the sequentially connected compressor in refrigerant circulation flow direction (3), condenser (4), throttling set and evaporator group, the evaporator group includes the first evaporator (1) and the second evaporator (2) parallel with one another, and the air duct that air successively passes through the warm wind blower (7), the air duct of the first evaporator (1) and condenser (4) is sent into bathroom.Compared with prior art, the present invention can recycle the latent heat of the sensible heat of waste water and steam in bathroom, and waste water heat absorption and air heat absorption both of which can be used in combination, and adjustable range is wider, realize more preferably for warm effect on moisture extraction.
Description
Technical field
The present invention relates to a kind of super baths, more particularly, to a kind of total heat recovery type super bath.
Background technique
Preferred heating system, integrates three kinds of illumination, heating, air draft functions when super bath is many Household shower baths.Mesh
Preceding common super bath in the market is broadly divided into lamp and warms up type super bath and air-heating type super bath.Traditional lamp warms up type super bath and passes through infrared bulb
Heat radiation increase the temperature in light area, this super bath radiation scope is small, and non-uniform temperature does not meet comfort requirement,
The high light radiation of light bulb may also damage human skin, eyes etc..Air-heating type super bath is first using agitating air to flow through PTC
Part heating, hot air circulation flowing drive indoor heating.This kind of super bath temperature-adjustable, soft and heating effect of blowing are more equal
Weighing apparatus.But the shortcomings that it also has heating element energy consumption high, is easy aging, after long-time service, heating effect decline is obvious.
Currently, air-heating type super bath gradually replaces lamp to warm up type super bath, become major product in the market.If using more
The characteristics of adding efficient heating method to replace PTC heating element, air-heating bathroom heater safety and comfort can not only be retained, moreover it is possible to reach reduction
Energy consumption, the effect for extending the service life.
The waste water temperature for flowing to ground when shower is about 30 DEG C, is generally directly discharged into sewer, if this can be utilized
Partial heat energy is also able to achieve energy-efficient purpose.In addition, bath indoor humidity is very high when taking a shower, steam, which diffuses, easily causes breathing uncomfortable,
Wall, mirror etc. can also condense a large amount of droplets simultaneously, cause cleaning inconvenient.If super bath has both dehumidification function, so that it may real
The dehumidifying in existing bathroom, thus for the environment of one relatively dry of indoor creation.
Chinese patent CN101600912A proposes a kind of bathroom air conditioner, including cooling medium circuit, circulating air duct
With ventilation wind path, bath heating indoor and ventilation may be implemented.But this mode has some shortcomings: two wind are set in 1. devices
Machine and two independent wind paths, space occupied is big at the top of bathroom, and structure is complicated；2. only partial air is through pervaporation when heating
Device dehumidifying discharge, it is limited to the dehumidifying effect of Bathroom Air.Chinese patent CN108286762A proposes a kind of comprising more air-supplies
The bathroom air-conditioning system of mouth, storage heater and heat pump, to realize separating dry space from moist space in bathroom, but this installation area is big, water storage
Storage heater installation is inconvenient, more demanding to the finishing in bathroom, also without illustrating specific implementing measure.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of total heat recovery types to bathe
Despot.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of total heat recovery type super bath, including warm wind blower and heat pump system, the heat pump system include passing through refrigerant
Connecting tube is along the sequentially connected compressor in refrigerant circulation flow direction, condenser, throttling set and evaporator group, the evaporation
Device group includes the first evaporator and the second evaporator parallel with one another, and air successively passes through the warm wind blower, the first evaporator
Air duct and condenser air duct be sent into bathroom.
The coolant channel of the coolant channel of first evaporator and the second evaporator is in parallel, then with compressor, it is cold
The coolant channel and throttling set of condenser pass through connecting refrigerant lines successively head and the tail connection, form the refrigerant stream of heat pump system
Road.
Further, the warm wind blower and compressor, condenser and the first evaporator in heat pump system are mounted on
In the cabinet of super bath.
Further, discharge outlet is additionally provided on the cabinet.
Further, solidifying water pond is provided with below first evaporator, the drain pan is connected by drainpipe and arranged
The mouth of a river.
Further, second evaporator is placed on bathroom floor, the sensible heat in recycling bath flooring waste water.
Further, be provided with the first electric expansion valve between the condenser and the first evaporator, the condenser with
It is provided with the second electric expansion valve between second evaporator, controls the evaporator outlet degree of superheat.
Further, the condenser is connected with the air duct of the first evaporator, and group is combined into entirety.
Further, first evaporator is refrigerant-air heat exchanger, has coolant channel and air duct,
Common type such as finned tube exchanger, micro-channel heat exchanger etc..First evaporator can recycle the latent heat of steam in bathroom, to bath
Room environmental air dehumidifies, and the environment of a relatively dry is created for bathroom.
Further, second evaporator is refrigerant-water- to-water heat exchanger, has coolant channel and aquaporin.Second
Evaporator can recycle the sensible heat in the waste water of ground, provide the heat of part for bathroom heating.Waste water is by steaming the second evaporator
It is discharged later by drainpipe.
Further, the condenser is refrigerant-air heat exchanger, has coolant channel and air duct, common
Type such as finned tube exchanger, micro-channel heat exchanger etc..Condenser can heat the air after dehumidifying, to be bathroom
Interior offer warm wind.
The main working process of super bath are as follows: under warm wind mode, warm wind blower is opened, heat pump system starting, high in bathroom
The return air of humidity enters super bath from return air inlet, carries out cooling and dehumidifying by the first evaporator, the waste water after shower flows through the second steaming
It sends out device and carries out cooling heat transferring, condenser heats the air after dehumidifying, and the air-supply air outlet of last warm drying is sent into bath
The warm air function of super bath is realized in room.Refrigerant becomes the gas of high temperature and pressure under compressor effect, into condenser, condensation
As the liquid of high temperature and pressure, releases amount of heat and air is heated；Liquid refrigerant enters throttling set, throttling at
For the liquid of low-temp low-pressure, enter the first evaporator and the second evaporator later, heat absorption flashes to the refrigerant gas of low-temp low-pressure
Body keeps the waste water in the return air and the second evaporator in the first evaporator cooling, and refrigerant returns to compressor, completes circulation.
Under dry dehumidification mode, the second electric expansion valve is closed, the second evaporator stops operation, and warm wind blower is opened,
Highly humid air enters super bath in bathroom, by the first evaporator cooling and dehumidifying, then by condenser heat temperature raising, it is dry to become high temperature
Dry air is sent into bathroom.Refrigerant becomes the gas of high temperature and pressure under compressor effect, and into condenser, condensation becomes high temperature
The liquid of high pressure releases amount of heat and heats to air；Liquid refrigerant enters throttling set, and it is low that throttling becomes low temperature
The liquid of pressure enters the first evaporator later, and heat absorption flashes to the refrigerant gas of low-temp low-pressure, makes returning in the first evaporator
Air cooling, refrigerant return to compressor, complete circulation.
The present invention is characterized in that: 1. heat pump techniques substitute heating method of the PTC heating element as air-heating type super bath, and
Double evaporators are set and carry out total heat recovery with ground at the top of bathroom respectively；2. bathing indoor design list wind path circulation, bathroom return air
After evaporator dehumidifies, then is heated through condenser and be sent into interior；3. independently controlling two steamings using two electric expansion valves
Device is sent out, may be implemented to take a shower for warm two kinds of functions of removal moisture drying；4. in the cabinet at the top of bathroom, the first evaporator and condenser
It is integrated into Integral heat-exchange device.
Compared with prior art, the invention has the following advantages:
1. the heating efficiency of heat pump system is much higher than electric heating, the heating energy of former electric heating warm-air type super bath can be greatly reduced
Consumption, and component is non-aging, service life extends；
2. the design of double evaporators can recycle the latent heat of the sensible heat of waste water and steam in bathroom, waste water heat absorption and air are inhaled
Hot both of which can be used in combination, and adjustable range is wider, realize more preferably for warm effect on moisture extraction；
3. keeping system footprint space small, structure is more using single wind path cyclic design and evaporator-condenser integral design
Step up to gather, can preferably be suitable for Household bathroom application scenarios.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of total heat recovery type super bath warm wind mode of the present invention；
Fig. 2 is a kind of schematic diagram of total heat recovery type super bath dry dehumidification mode of the present invention.
Shown in figure label:
1, the first evaporator, the 2, second evaporator, 3, compressor, 4, condenser, the 5, first electric expansion valve, the 6, second electricity
Sub- expansion valve, 7, warm wind blower.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of total heat recovery type super bath, including heat pump system and warm wind blower,
The primary structure of heat pump system includes the first evaporator 1, the second evaporator 2, compressor 3, condenser 4, the first electricity
Sub- expansion valve 5, the second electric expansion valve 6.
First evaporator 1 is refrigerant-air heat exchanger, has coolant channel and air duct, common type such as wing
Piece heat exchange of heat pipe, micro-channel heat exchanger etc..First evaporator 1 can recycle the latent heat in bathroom steam, to bathroom environment air
It dehumidifies, the environment of a relatively dry is created for bathroom.
Solidifying water pond is provided with below first evaporator 1, solidifying water pond can collect the water under the condensation of the first evaporator 1, and lead to
Drainpipe is crossed to be discharged from discharge outlet.
Condenser 4 is refrigerant-air heat exchanger, has coolant channel and air duct, common type such as finned tube
Heat exchanger, micro-channel heat exchanger etc..Condenser 4 can heat the air after dehumidifying, thus to provide warm wind in bathroom.
First electric expansion valve 5 and the second electric expansion valve 6 are by control system control switch.
First evaporator 1 and the coolant channel of the second evaporator 2 connect parallel connection by refrigerant, then with compressor 3, cold
The coolant channel and throttling set of condenser 4 pass through connecting refrigerant lines successively head and the tail connection, form the refrigerant of heat pump system
Flow path.
The main working process of super bath are as follows: under warm wind mode, as shown in Figure 1, warm wind blower 7 is opened, the first electronics is swollen
Swollen valve 5, the second electric expansion valve 6 are opened, heat pump system starting, and the return air of high humility enters heat pump system from return air inlet in bathroom
System carries out cooling and dehumidifying by the first evaporator 1, and the waste water after shower flows through the second evaporator 2 and carries out cooling heat transferring, condenser
Air after 4 pairs of dehumidifying heats, and the air-supply of last warm drying is sent into bathroom through air outlet, realizes the warm wind function of super bath
Energy.Refrigerant becomes the gas of high temperature and pressure under the effect of compressor 3, and into condenser 4, condensation becomes the liquid of high temperature and pressure
Body releases amount of heat and heats to air；Liquid refrigerant enters throttling set, and throttling becomes the liquid of low-temp low-pressure
Body, enters the first evaporator 1 and the second evaporator 2 later, and heat absorption flashes to the refrigerant gas of low-temp low-pressure, makes the first evaporation
Waste water in return air and the second evaporator 2 in device 1 is cooling, and refrigerant returns to compressor 3, completes circulation.
Under dry dehumidification mode, as shown in Fig. 2, the second electric expansion valve 6 is closed, the second evaporator 2 stops working, the
The coolant channel of one evaporator 1, compressor 3, condenser 4, throttling set and the first electric expansion valve 5 is connected by refrigerant
Successively head and the tail are connected to pipe, form the refrigerant flow path of heat pump system.Second electric expansion valve 6 is closed, heat pump system starting, bathroom
Interior highly humid air enters super bath by return air inlet, by 1 cooling and dehumidifying of the first evaporator, then by 4 heat temperature raising of condenser, becomes
The functions such as indoor dehumidification and drying drying are bathed after air outlet is sent into bathroom, it can be achieved that taking a shower at high temperature dry air.Refrigerant
The gas for becoming high temperature and pressure under the effect of compressor 3, into condenser 4, condensation becomes the liquid of high temperature and pressure, releases big
Calorimetric amount heats air；Liquid refrigerant enters throttling set, and throttling becomes the liquid of low-temp low-pressure, enters the later
One evaporator 1, heat absorption flash to the refrigerant gas of low-temp low-pressure, keep the return air in the first evaporator 1 cooling, refrigerant returns to
Compressor 3 completes circulation.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (9)
1. a kind of total heat recovery type super bath, which is characterized in that including warm wind blower (7) and heat pump system, the heat pump system packet
It includes through connecting refrigerant lines along the sequentially connected compressor in refrigerant circulation flow direction (3), condenser (4), throttling set
With evaporator group, the evaporator group includes the first evaporator (1) and the second evaporator (2) parallel with one another, and air successively passes through
The air duct for crossing the warm wind blower (7), the air duct of the first evaporator (1) and condenser (4) is sent into bathroom.
2. a kind of total heat recovery type super bath according to claim 1, which is characterized in that the warm wind blower (7) and heat pump
Compressor (3), condenser (4) and the first evaporator (1) in system are mounted in the cabinet of super bath.
3. a kind of total heat recovery type super bath according to claim 2, which is characterized in that be additionally provided with draining on the cabinet
Mouthful.
4. a kind of total heat recovery type super bath according to claim 3, which is characterized in that below first evaporator (1)
It is provided with solidifying water pond, the drain pan connects discharge outlet by drainpipe.
5. a kind of total heat recovery type super bath according to claim 1, which is characterized in that second evaporator (2) is placed
Sensible heat in bathroom floor, recycling bath flooring waste water.
6. a kind of total heat recovery type super bath according to claim 1, which is characterized in that the condenser (4) and first is steamed
It is provided with the first electric expansion valve (5) between hair device (1), is provided with second between the condenser (4) and the second evaporator (2)
Electric expansion valve (6).
7. a kind of total heat recovery type super bath according to claim 1, which is characterized in that the condenser (4) is steamed with first
The air duct of hair device (1) is connected.
8. a kind of total heat recovery type super bath according to claim 1, which is characterized in that first evaporator (1) is wing
Piece heat exchange of heat pipe or micro-channel heat exchanger.
9. a kind of total heat recovery type super bath according to claim 1, which is characterized in that the condenser (4) is finned tube
Heat exchanger or micro-channel heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811572335.5A CN109631141A (en) | 2018-12-21 | 2018-12-21 | A kind of total heat recovery type super bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811572335.5A CN109631141A (en) | 2018-12-21 | 2018-12-21 | A kind of total heat recovery type super bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109631141A true CN109631141A (en) | 2019-04-16 |
Family
ID=66076243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811572335.5A Pending CN109631141A (en) | 2018-12-21 | 2018-12-21 | A kind of total heat recovery type super bath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109631141A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113401A (en) * | 2020-09-23 | 2020-12-22 | 烟台睿加节能科技有限公司 | Closed circulation drying system |
| CN112361432A (en) * | 2020-10-22 | 2021-02-12 | 嘉兴润邦电气科技有限公司 | Bathroom heater with airing function and application method thereof |
| CN113154511A (en) * | 2021-04-28 | 2021-07-23 | 浙江德莱宝卫厨科技有限公司 | Three-dimensional bathroom heating equipment that circulation heating efficiency is high |
| CN114034081A (en) * | 2021-11-19 | 2022-02-11 | 张宇 | Intelligent heating device with alarm function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5816065A (en) * | 1996-01-12 | 1998-10-06 | Ebara Corporation | Desiccant assisted air conditioning system |
| CN201269590Y (en) * | 2008-05-30 | 2009-07-08 | 上海理工大学 | Toilet cooling and warming air conditioner with dehumidification function |
| CN201368589Y (en) * | 2009-01-06 | 2009-12-23 | 陈晓 | Composite waste heat recovery system for bathrooms |
| CN203286815U (en) * | 2013-05-24 | 2013-11-13 | 浙江地源能源科技有限公司 | Bathroom waste water heat recovery heat exchanger |
-
2018
- 2018-12-21 CN CN201811572335.5A patent/CN109631141A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5816065A (en) * | 1996-01-12 | 1998-10-06 | Ebara Corporation | Desiccant assisted air conditioning system |
| CN201269590Y (en) * | 2008-05-30 | 2009-07-08 | 上海理工大学 | Toilet cooling and warming air conditioner with dehumidification function |
| CN201368589Y (en) * | 2009-01-06 | 2009-12-23 | 陈晓 | Composite waste heat recovery system for bathrooms |
| CN203286815U (en) * | 2013-05-24 | 2013-11-13 | 浙江地源能源科技有限公司 | Bathroom waste water heat recovery heat exchanger |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113401A (en) * | 2020-09-23 | 2020-12-22 | 烟台睿加节能科技有限公司 | Closed circulation drying system |
| CN112113401B (en) * | 2020-09-23 | 2022-06-24 | 烟台睿加节能科技有限公司 | Closed circulation drying system |
| CN112361432A (en) * | 2020-10-22 | 2021-02-12 | 嘉兴润邦电气科技有限公司 | Bathroom heater with airing function and application method thereof |
| CN113154511A (en) * | 2021-04-28 | 2021-07-23 | 浙江德莱宝卫厨科技有限公司 | Three-dimensional bathroom heating equipment that circulation heating efficiency is high |
| CN114034081A (en) * | 2021-11-19 | 2022-02-11 | 张宇 | Intelligent heating device with alarm function |
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Application publication date: 20190416 |
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