[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN104887077A - Novel air-energy type water dispenser - Google Patents

Novel air-energy type water dispenser Download PDF

Info

Publication number
CN104887077A
CN104887077A CN201510351446.3A CN201510351446A CN104887077A CN 104887077 A CN104887077 A CN 104887077A CN 201510351446 A CN201510351446 A CN 201510351446A CN 104887077 A CN104887077 A CN 104887077A
Authority
CN
China
Prior art keywords
heat exchanger
entrance
communicated
water
outlet
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.)
Granted
Application number
CN201510351446.3A
Other languages
Chinese (zh)
Other versions
CN104887077B (en
Inventor
李改莲
金听祥
吴彦生
杨庆
董明伦
马驰
伊良俊
刘交通
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou University of Light Industry
Original Assignee
Zhengzhou University of Light Industry
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhengzhou University of Light Industry filed Critical Zhengzhou University of Light Industry
Priority to CN201510351446.3A priority Critical patent/CN104887077B/en
Publication of CN104887077A publication Critical patent/CN104887077A/en
Application granted granted Critical
Publication of CN104887077B publication Critical patent/CN104887077B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The embodiment of the invention discloses a novel air-energy type water dispenser, and aims at solving the problems of the existing air energy type water dispenser that the heat exchange efficiency is small and cold water or hot water can be obtained only. The novel air-energy type water dispenser comprises a housing, a compressor, a condenser, a throttling valve, an evaporator, a water inlet, a first-stage heat exchanger, a second-stage heat exchanger, a boiled water tan, a heating device, a warm water tank and a cold water tank, wherein the compressor, the condenser, the throttling valve and the evaporator are sequentially circularly connected to form heating circulation.

Description

A kind of Novel air energy water dispenser
Technical field
The present invention relates to water dispenser technical field, particularly relate to a kind of Novel air energy water dispenser.
Background technology
The common drinking machine heating hot water of China is mainly heated to be major way with electric energy, and this mode of heating, efficiency is only 60% ~ 80%, energy utilization rate is low, meanwhile, because electric heating hot water can not realize electricity separation, in use certain potential safety hazard is also had.Air energy heat pump has the advantages such as efficient, energy-conservation, safety, environmental protection, therefore air energy technology is applied on water dispenser and has good development prospect.But existing air energy drinking machine heat exchanger efficiency is not high, and only can provide cold water or hot water, cannot meet the demand that consumer is growing.
Summary of the invention
Embodiments provide a kind of Novel air energy water dispenser, existing air energy drinking machine heat exchanger efficiency can be solved not high, and cold water or hot water problem only can be provided.
A kind of Novel air energy water dispenser that the embodiment of the present invention provides, comprising: casing, compressor, condenser, choke valve, evaporimeter, water inlet, one-level heat exchanger, two-stage heat exchanger, boiled water tank, heater, reservoir and cold water storage cistern;
Described compressor, condenser, choke valve and evaporimeter circulate successively and are connected, and composition heats circulation;
Described condenser is arranged in described one-level heat exchanger, and described evaporimeter is arranged in described cold water storage cistern;
Described water inlet is communicated with the entrance of described one-level heat exchanger, and is communicated with the entrance of described cold water storage cistern;
The outlet of described one-level heat exchanger is communicated with the first entrance of described two-stage heat exchanger, first outlet of described two-stage heat exchanger is communicated with the entrance of described boiled water tank, the outlet of described boiled water tank is communicated with the second entrance of described two-stage heat exchanger, second outlet of described two-stage heat exchanger is communicated with by the entrance of the first pipeline with described reservoir, described first entrance is communicated with in the inside of described two-stage heat exchanger with the first outlet, and described second entrance is communicated with in the inside of described two-stage heat exchanger with the second outlet;
The outlet of described cold water storage cistern is communicated with by the entrance of second pipe with described reservoir;
Described first pipeline and described second pipe cross before the entrance of described reservoir;
Described first pipeline is provided with the first current opening adjuster near the position of described second outlet;
Described second pipe is provided with the second current opening adjuster near the exit position of described cold water storage cistern;
Described heater is arranged in described boiled water tank, for the water in boiled water tank being heated to boiling;
Described boiled water tank, reservoir and cold water storage cistern are provided with delivery port.
Alternatively, on the pipeline of described water inlet, also filter is installed.
Alternatively, described one-level heat exchanger is double pipe heat exchanger.
Alternatively, described two-stage heat exchanger is adverse current double pipe heat exchanger.
Alternatively, described heater is electric heater.
Alternatively, describedly heat circulation and be: cold-producing medium becomes high temperature and high pressure gas through the effect of described compressor, then enter in condenser with the water heat exchange in described first-class heat exchanger, then in the throttling action borehole cooling step-down of described choke valve, enter in described evaporimeter and absorb heat energy, be finally back in described compressor.
Alternatively, described Novel air energy water dispenser also comprises control centre, controls described first current opening adjuster and described second current opening adjuster for the warm water temperature set according to user.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
In the embodiment of the present invention, a kind of Novel air energy water dispenser comprises: casing, compressor, condenser, choke valve, evaporimeter, water inlet, one-level heat exchanger, two-stage heat exchanger, boiled water tank, heater, reservoir and cold water storage cistern; Described compressor, condenser, choke valve and evaporimeter circulate successively and are connected, and composition heats circulation; Described condenser is arranged in described one-level heat exchanger, and described evaporimeter is arranged in described cold water storage cistern; Described water inlet is communicated with the entrance of described one-level heat exchanger, and is communicated with the entrance of described cold water storage cistern; The outlet of described one-level heat exchanger is communicated with the first entrance of described two-stage heat exchanger, first outlet of described two-stage heat exchanger is communicated with the entrance of described boiled water tank, the outlet of described boiled water tank is communicated with the second entrance of described two-stage heat exchanger, second outlet of described two-stage heat exchanger is communicated with by the entrance of the first pipeline with described reservoir, described first entrance is communicated with in the inside of described two-stage heat exchanger with the first outlet, and described second entrance is communicated with in the inside of described two-stage heat exchanger with the second outlet; The outlet of described cold water storage cistern is communicated with by the entrance of second pipe with described reservoir; Described first pipeline and described second pipe cross before the entrance of described reservoir; Described first pipeline is provided with the first current opening adjuster near the position of described second outlet; Described second pipe is provided with the second current opening adjuster near the exit position of described cold water storage cistern; Described heater is arranged in described boiled water tank, for the water in boiled water tank being heated to boiling; Described boiled water tank, reservoir and cold water storage cistern are provided with delivery port.In embodiments of the present invention, the energy preheating that this Novel air energy water dispenser utilizes hot water to discharge, heat exchanger efficiency is high, and can provide cold water, hot water and warm water simultaneously, satisfies the demands of consumers further.
Accompanying drawing explanation
Fig. 1 is a kind of Novel air energy water dispenser example structure figure in the embodiment of the present invention;
Fig. 2 is the Facad structure sectional view of embodiment of the present invention middle sleeve formula heat exchanger;
Fig. 3 is the cross-sectional structure schematic diagram of embodiment of the present invention middle sleeve formula heat exchanger;
Fig. 4 is the perspective view of embodiment of the present invention middle sleeve formula heat exchanger.
Detailed description of the invention
Embodiments provide a kind of Novel air energy water dispenser, not high for solving existing air energy drinking machine heat exchanger efficiency, and cold water or hot water problem only can be provided.
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiments, and the embodiment of not all.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 to Fig. 4, a kind of Novel air energy water dispenser in the embodiment of the present invention, comprising: casing 1, compressor 2, condenser 3, choke valve 4, evaporimeter 5, water inlet 6, one-level heat exchanger 8, two-stage heat exchanger 9, boiled water tank 10, heater 11, reservoir 12 and cold water storage cistern 13;
This compressor 2, condenser 3, choke valve 4 circulate successively with evaporimeter 5 and are connected, and composition heats circulation;
This condenser 3 is arranged in this one-level heat exchanger 8, and this evaporimeter 5 is arranged in this cold water storage cistern 13;
This water inlet 6 is communicated with the entrance of this one-level heat exchanger 8, and is communicated with the entrance of this cold water storage cistern 13;
The outlet of this one-level heat exchanger 8 is communicated with the first entrance of this two-stage heat exchanger 9, first outlet of this two-stage heat exchanger 9 is communicated with the entrance of this boiled water tank 10, the outlet of this boiled water tank 10 is communicated with the second entrance of this two-stage heat exchanger 9, second outlet of this two-stage heat exchanger 9 is communicated with by the entrance of the first pipeline with this reservoir 12, this first entrance is communicated with in the inside of this two-stage heat exchanger 9 with the first outlet, and this second entrance is communicated with in the inside of this two-stage heat exchanger 9 with the second outlet;
The outlet of this cold water storage cistern 13 is communicated with by the entrance of second pipe with this reservoir 12;
This first pipeline and this second pipe cross before the entrance of this reservoir 12;
This first pipeline is provided with the first current opening adjuster 17 near the position of this second outlet;
This second pipe is provided with the second current opening adjuster 18 near the exit position of this cold water storage cistern 13;
This heater 11 is arranged in this boiled water tank 10, for the water in boiled water tank 10 being heated to boiling;
This boiled water tank 10, reservoir 12 and cold water storage cistern 13 are provided with delivery port.
Preferably, on the pipeline of this water inlet 6, filter 7 being also installed, for filtering the water of coming in from water inlet 6, ensureing the clean hygiene of drinking water.
Preferably, this one-level heat exchanger 8 is double pipe heat exchanger.In addition, this two-stage heat exchanger 9 is adverse current double pipe heat exchanger.As shown in Figures 2 to 4, double pipe heat exchanger is the concentric tubes be made up of the straight tube that diameter is different, and is formed by connecting by return bend.In this heat exchanger, a kind of thermal source is walked in pipe, and another kind of low-temperature receiver walks annular space, and both all can obtain higher flow velocity, therefore heat transfer coefficient is larger.In addition, in double-tube heat exchanger, two kinds of fluids can be pure adverse current, and logarithmic mean motive force is larger.Double-tube heat exchanger structure is simple, can bear high pressure; And can increase and decrease pipeline section number as required, application is convenient.
Preferably, this heater 11 is electric heater, notices that electric water is separated when mounted, ensures safety.
Preferably, this heats circulation: cold-producing medium becomes high temperature and high pressure gas through the effect of this compressor 2, then enter in condenser 3 with the water heat exchange in this first-class heat exchanger, then in the throttling action borehole cooling step-down of this choke valve 4, enter in this evaporimeter 5 and absorb heat energy, be finally back in this compressor 2.
Preferably, this Novel air energy water dispenser also comprises control centre, and the warm water temperature for setting according to user controls this first current opening adjuster 17 and this second current opening adjuster 18.
In the present embodiment, the course of work of this Novel air energy water dispenser is roughly as follows:
Pure water enters Novel air energy water dispenser by water inlet 6 as shown in Figure 1, enter in one-level heat exchanger 8 after purifying further under the effect of filter 7 and carry out heat exchange with the cold-producing medium of HTHP, carry out first order preheating, now water temperature is about 50 degree, enter in two-stage heat exchanger 9 through the water of preheating and carry out secondary preheating, now water temperature is about 80 degree, finally enter in boiled water tank 10, by the effect ebuillition of heated of heater 11, can flow out from the delivery port 14 of boiled water tank 10 and drink for people, also heat exchange can be carried out by two-stage heat exchanger 9 and preheated cold water, these a part of current are through the first current opening adjuster 17, under the effect of the first current opening adjuster 17, control hot water aperture become different temperatures with cold water mix in reservoir 12, by the delivery port 15 of reservoir 12, warm water is provided.In addition, control centre can control this first current opening adjuster 17 and this second current opening adjuster 18 according to the warm water temperature of user's setting, thus realizes the warm water supply of different temperatures, meets the demand of user for different temperatures warm water.In addition, to enter and a part of water through filter 7 can be lowered the temperature cold water storage cistern 13 from water inlet 6, drunk for people by the delivery port 16 of cold water storage cistern 13.Heat pump heat in circulation, cold-producing medium becomes the gas of HTHP through the effect of compressor 2, through condenser 3 and cold water heat exchange, heat energy is provided, through the throttling action decrease temperature and pressure of choke valve 4, enter in evaporimeter 5 low-grade energy absorbed in air, thus save a part of electric energy.
In the present embodiment, this Novel air energy water dispenser is by vapor compression system operation, cold-producing medium absorbs the low-grade energy in air in evaporimeter 5, cold-producing medium enters compressor 2 after being absorbed by this partial heat energy, compressor 2 does work and cold-producing medium is become high temperature and high pressure gas and enter tube-in-tube condenser 3 and carry out heat exchange with hot water, this process takes full advantage of the low-grade energy in the middle of air, save the consumption of the energy, improve the Energy Efficiency Ratio of water dispenser, after one-level heat exchanger 8 carries out first heat exchange, two-stage heat exchanger 9 temperature raising again can be entered, electric energy is finally utilized to be heated to boiling to the water after preheating, decrease the utilization of electric energy, make use of energy in air fully and boiling water becomes the energy discharged in warm water process, thus reach energy-conservation object.
In the present embodiment, this Novel air energy water dispenser has the following advantages:
1, air energy drinking machine is by vapor compression system operation, and the heat absorbed in air carries out preheating to cold water, is then heated to boiling with electric energy to the water after preheating, make use of the low-grade energy in the middle of air, saved power consumption.
2, the hot water part after boiling is directly drunk, and a part of double pipe heat exchanger by adverse current and cold water carry out heat exchange becomes warm water, and the temperature of warm water can be regulated by water valve.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the INDIRECT COUPLING of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple NE.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (7)

1. a Novel air energy water dispenser, is characterized in that, comprising: casing, compressor, condenser, choke valve, evaporimeter, water inlet, one-level heat exchanger, two-stage heat exchanger, boiled water tank, heater, reservoir and cold water storage cistern;
Described compressor, condenser, choke valve and evaporimeter circulate successively and are connected, and composition heats circulation;
Described condenser is arranged in described one-level heat exchanger, and described evaporimeter is arranged in described cold water storage cistern;
Described water inlet is communicated with the entrance of described one-level heat exchanger, and is communicated with the entrance of described cold water storage cistern;
The outlet of described one-level heat exchanger is communicated with the first entrance of described two-stage heat exchanger, first outlet of described two-stage heat exchanger is communicated with the entrance of described boiled water tank, the outlet of described boiled water tank is communicated with the second entrance of described two-stage heat exchanger, second outlet of described two-stage heat exchanger is communicated with by the entrance of the first pipeline with described reservoir, described first entrance is communicated with in the inside of described two-stage heat exchanger with the first outlet, and described second entrance is communicated with in the inside of described two-stage heat exchanger with the second outlet;
The outlet of described cold water storage cistern is communicated with by the entrance of second pipe with described reservoir;
Described first pipeline and described second pipe cross before the entrance of described reservoir;
Described first pipeline is provided with the first current opening adjuster near the position of described second outlet;
Described second pipe is provided with the second current opening adjuster near the exit position of described cold water storage cistern;
Described heater is arranged in described boiled water tank, for the water in boiled water tank being heated to boiling;
Described boiled water tank, reservoir and cold water storage cistern are provided with delivery port.
2. Novel air energy water dispenser according to claim 1, is characterized in that, on the pipeline of described water inlet, be also provided with filter.
3. Novel air energy water dispenser according to claim 1, is characterized in that, described one-level heat exchanger is double pipe heat exchanger.
4. Novel air energy water dispenser according to claim 1, is characterized in that, described two-stage heat exchanger is adverse current double pipe heat exchanger.
5. Novel air energy water dispenser according to claim 1, is characterized in that, described heater is electric heater.
6. Novel air energy water dispenser according to claim 1, it is characterized in that, describedly heat circulation and be: cold-producing medium becomes high temperature and high pressure gas through the effect of described compressor, then enter in condenser with the water heat exchange in described first-class heat exchanger, then in the throttling action borehole cooling step-down of described choke valve, enter in described evaporimeter and absorb heat energy, be finally back in described compressor.
7. Novel air energy water dispenser according to claim 1, it is characterized in that, described Novel air energy water dispenser also comprises control centre, controls described first current opening adjuster and described second current opening adjuster for the warm water temperature set according to user.
CN201510351446.3A 2015-06-19 2015-06-19 A kind of air energy drinking machine Active CN104887077B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510351446.3A CN104887077B (en) 2015-06-19 2015-06-19 A kind of air energy drinking machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510351446.3A CN104887077B (en) 2015-06-19 2015-06-19 A kind of air energy drinking machine

Publications (2)

Publication Number Publication Date
CN104887077A true CN104887077A (en) 2015-09-09
CN104887077B CN104887077B (en) 2017-11-07

Family

ID=54020371

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510351446.3A Active CN104887077B (en) 2015-06-19 2015-06-19 A kind of air energy drinking machine

Country Status (1)

Country Link
CN (1) CN104887077B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108577545A (en) * 2015-11-30 2018-09-28 葛君华 A kind of heating water fountain
CN112690658A (en) * 2021-01-26 2021-04-23 深圳市米惜智能电器科技有限公司 Warm water machine and milk machine of makeing that can accurate temperature adjustment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102429578A (en) * 2010-12-08 2012-05-02 苏州嘉言能源设备有限公司 Air energy water dispenser
CN202525935U (en) * 2012-05-03 2012-11-14 严素静 Heat recovery water-and-electricity separation energy-saving water dispenser
CN103239134A (en) * 2013-05-17 2013-08-14 上海电机学院 Temperature adjustable and water amount controllable water dispenser
CN204091728U (en) * 2014-08-28 2015-01-14 张付玲 Heat quantity reclaiming type energy-saving drinking machine
CN204105748U (en) * 2014-09-16 2015-01-21 韦健华 A kind of water dispenser
CN204765061U (en) * 2015-06-19 2015-11-18 郑州轻工业学院 Novel air can water dispenser

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102429578A (en) * 2010-12-08 2012-05-02 苏州嘉言能源设备有限公司 Air energy water dispenser
CN202525935U (en) * 2012-05-03 2012-11-14 严素静 Heat recovery water-and-electricity separation energy-saving water dispenser
CN103239134A (en) * 2013-05-17 2013-08-14 上海电机学院 Temperature adjustable and water amount controllable water dispenser
CN204091728U (en) * 2014-08-28 2015-01-14 张付玲 Heat quantity reclaiming type energy-saving drinking machine
CN204105748U (en) * 2014-09-16 2015-01-21 韦健华 A kind of water dispenser
CN204765061U (en) * 2015-06-19 2015-11-18 郑州轻工业学院 Novel air can water dispenser

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108577545A (en) * 2015-11-30 2018-09-28 葛君华 A kind of heating water fountain
CN112690658A (en) * 2021-01-26 2021-04-23 深圳市米惜智能电器科技有限公司 Warm water machine and milk machine of makeing that can accurate temperature adjustment
WO2022160882A1 (en) * 2021-01-26 2022-08-04 深圳市米惜智能电器科技有限公司 Warm boiled water machine able to perform precise temperature adjustment, and milk brewing machine

Also Published As

Publication number Publication date
CN104887077B (en) 2017-11-07

Similar Documents

Publication Publication Date Title
CN107741070A (en) A kind of air source hot pump water heater high density heat accumulation all-in-one
CN102645022B (en) Energy-saving multiple temperature section water boiler
CN102679433A (en) Combined heating system capable of utilizing geothermal water and water source heat pump in stage mode
CN102418998A (en) Energy storage water source heat pump water heater with shower wastewater and waste heat double-absorption function
CN103017411B (en) High temperature heat pump system for distillation
CN108895665A (en) A kind of air source hot pump water heater subregion step heat accumulation all-in-one machine
CN102388223B (en) Double duty compression machines
CN103868233A (en) Air source heat-pump water heating unit
CN202581508U (en) Combined heating system with gradient utilization of geothermal water and water-source heat pump
CN102980234B (en) High-temperature geothermal water series connection heating method
CN104887077A (en) Novel air-energy type water dispenser
CN101922800A (en) Counter-flow multi-level condensation heat pump water heater
CN203375697U (en) Air circulation pump water heater
CN204765061U (en) Novel air can water dispenser
CN202328769U (en) Energy accumulation type water source heat pump water heater capable of doubly absorbing waste water and waste heat of shower bath
CN111189099B (en) Efficient heating system for ground heating engineering for developing and utilizing pumping and filling type geothermal water
CN201163096Y (en) Single-evaporator double-source heat pump water heating units
CN202973314U (en) High-temperature geothermal water series connection heating system
CN101464057A (en) Hot water unit of overlapping water source high-temperature heat pump
CN109140772A (en) Water heater and floor heating based on a kind of heat pump and fast electric heating block combiner
CN104061716B (en) A kind of Multifunctional hot water system for air conditioner with auxiliary thermal source
CN2884019Y (en) Quickly heating type air-conditioner water heater having hot water-tank
CN203148025U (en) Multi-stage casing pipe type high and low temperature water source heat-pump water heater with double compressors
CN203231585U (en) Directly-heated type air source heat pump
CN209623149U (en) Use ground source heat pump system of holding energy suitable for south based on cold and hot balance

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant