CN101169296A - Heat pump hot water device with dehumidifying function and its control method - Google Patents
Heat pump hot water device with dehumidifying function and its control method Download PDFInfo
- Publication number
- CN101169296A CN101169296A CNA2007100317261A CN200710031726A CN101169296A CN 101169296 A CN101169296 A CN 101169296A CN A2007100317261 A CNA2007100317261 A CN A2007100317261A CN 200710031726 A CN200710031726 A CN 200710031726A CN 101169296 A CN101169296 A CN 101169296A
- Authority
- CN
- China
- Prior art keywords
- evaporimeter
- valve
- connects
- heat
- pump
- 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.)
- Pending
Links
Images
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a hot pump water heating device with dehumidifying function and the control method. The device can realize the switching of two running modes of hot water producing and dehumidifying simultaneously or respectively; two systems of the device comprise a common compressor, a gas and liquid separator, a throttling device and an evaporator and other main devices, the hot pump hot water system utilizes the condensing heat energy generated by the circulation of the refrigerating fluid to obtain the hot water with high temperature, and utilizes a heat storing water tank to store the heat energy and provides life needed hot water on time; a refrigerating and dehumidifying system utilizes the cold energy provided by the refrigerating fluid to proceed the dehumidifying management to the room air, and realizes the dehumidifying management of the room air by the method of the air being heated by the condensing heat; the device can fulfill three working modes of solely dehumidifying, sole hot pump and hot pump air-condition, and the invention can satisfy the requirements for four seasons, in particular to the uses in bathrooms of families and hotels.
Description
Technical field
The present invention relates to a kind of heat-pump water heater and control method thereof with dehumidification function.
Background technology
Along with the fast development of industry, day being becoming tight of the energy in the world wide, energy crisis becomes that the whole mankind must face and one of the key subjects that will solve.Adopt high efficiency energy-saving domestic electrical equipment as one of the six big emphasis energy-saving field that will put forth effort to do a good job of it.
Water heater is the high-grade energy such as one of more household appliances of family's consumes energy, the main consumed power of electric heater and gas heater, natural gas and coal gas, and the development of solar water heater has obtained great popularization, but limited by weather and mounting condition.Teat pump boiler becomes main developing direction efficiently at present.
High humidity environment easily causes bacteria breed, brings out breathing problem, rheumatism, causes the loss of property, makes moist mouldy as the clothes leather; Cause the human-body radiating difficulty summer, increase the chance of heatstroke; Quicken the conduction of heat winter, makes the people doubly feel cold.Household bathroom is the place of air humidity maximum in the family, if the toilet area is little, towards poor, and ventilation and lighting deficiency, toilet get married " severely afflicated area " of front yard bacteria breed.Therefore, the dry and comfortable health in maintenance bathroom becomes the demand of people's pursuit quality of the life.
Teat pump boiler and dehumidifier manufacturing technology are very ripe at present, have a style of one's own.Satisfy the humidity control of domestic hot water De Gong Give and indoor environment respectively.The Teat pump boiler technology has various ways such as wind source heat pump, solar heat pump and earth source heat pump.Dehumidifier has technology such as freeze drying, rotary wheel dehumidifying, liquid dehumidifying, film dehumidifying.These two kinds of technology all have synthetic to a certain extent.
A kind of multi-functional air conditioner refrigerating and heating combined equipment that is disclosed as Chinese patent 99228716.2, mainly form, comprise indoor and outdoor heat exchanger, compressor, reversal valve, heat-storing material case, water tank, subcooler and eddy flow flow control valve by a heat pump hot-water system and a heat pump type air conditioning system.Functions such as there is refrigeration in system, heats, Teat pump boiler, accumulation of heat.But No. 99228716.2 patent do not have effectively to solve the humidity control problem in room, some effect on moisture extraction under refrigeration mode just, relative humidity and temperature in can not the control room.
And for example a kind of heat pump dehumidifying heat pump of being disclosed of Chinese patent 89217917.1 is formed an association system with heat pump and dehumidifying, and main purpose provides dehumidifying and improves dry required hot-air.Shared compressor of this system and condenser are provided with two evaporimeters.The cold-producing medium part throttling of this system after with condenser condenses, by evaporator with heat pump from outdoor absorption heat.A part flows in the dehumidifying evaporimeter in addition, absorbs the latent heat of vaporization by material evaporation water steam in the hothouse.Two fluid streams are converged the back and are flowed into the temperature that reduces the condenser fluid in the subcooler, improve the efficient of circulation.
Summary of the invention
The object of the invention provides a kind of heat-pump water heater and control method thereof with dehumidification function, and (or the respectively) realization simultaneously of the device of this invention heats the switching of water, two kinds of operational modes of dehumidifying.
Two systems of this device comprise capital equipments such as common compressor, vapour liquid separator, throttling arrangement, evaporimeter, the condenser heat that heat pump hot-water system utilizes the cold-producing medium circulation to produce obtains high-temperature-hot-water, and utilize hot water storage tank that heat is stored, provide life required hot water in real time, this system is provided with condenser, hot water storage tank, confession (benefit) penstock and pipeline alone; The cold that refrigerant dehumidification system utilizes cold-producing medium circulation to provide carries out dehumidification treatments to space air, and by condensation heat again the method for hot-air realize that the humidity of space air handles, this system configuration reheater condenser again, wind direction switch, air-out airduct.Device of the present invention can be finished independent humidity control, independent heat pump and three kinds of mode of operations of heat pump air conditioner.
Technical scheme of the present invention is that this device comprises heat pump hot-water system and the refrigerant dehumidification system that has hot water storage tank, two systems of this device have separately independently that parts have shared parts again, and two system's common means have compressor, vapour liquid separator, choke valve, evaporimeter, liquid reservoir, blower fan, air channel, wind direction switch;
The above-mentioned heat pump hot-water system that has hot water storage tank comprises compressor 1, hot water storage tank 3, heat pump condenser 4, liquid reservoir 11, choke valve 12, evaporimeter 15, induced-draught fan 13, air channel 16, wind direction switch 17, vapour liquid separator 2 and mixed water valve 6, outlet valve 8, water compensating valve 19, feed pump 5, magnetic valve 7,9,10 compositions; One tunnel process magnetic valve 7 of compressor 1 is connected with an end of heat pump condenser 4, heat pump condenser 4 places hot water storage tank 3, the magnetic valve 10 that connects magnetic valve 9 by the road cuts out, the other end of heat pump condenser 4 is connected with liquid reservoir 11 through magnetic valve 9, liquid reservoir 11 connects evaporimeter 15 through choke valve 12, evaporimeter 15 connects induced-draught fan 13, induced-draught fan 13 air outlets are equipped with air channel 16, wind direction switch 17 is installed in the air channel 16, evaporimeter 15 connects vapour liquid separator 2 through pipeline, vapour liquid separator 2 connects compressor 1, and above-mentioned hot water storage tank 3 is connected mixed water valve 6 and water compensating valve 19 respectively with feed pump 5, and outlet valve 8 connects mixed water valve 6;
Above-mentioned refrigerant dehumidification system comprises compressor 1, removes wet condenser 14, liquid reservoir 11, choke valve 12, evaporimeter 15, induced-draught fan 13, air channel 16, wind direction switch 17, vapour liquid separator 2 and magnetic valve 9,20,10; Above-mentioned compressor 1 another road connects through magnetic valve 20 removes wet condenser 14, and the magnetic valve 9 that connects magnetic valve 10 by the road cuts out; Remove wet condenser 14 and connect liquid reservoir 11 through magnetic valve 10, liquid reservoir 11 connects evaporimeter 15 through choke valve 12, evaporimeter 15 connects induced-draught fan 13, induced-draught fan 13 air outlets are equipped with air channel 16, wind direction switch 17 is installed in the air channel 16, evaporimeter 15 connects vapour liquid separator 2 through pipeline, and vapour liquid separator 2 connects compressor 1, removes wet condenser 14 and connects exhaust blower 18.
Indoor or outdoors is led in above-mentioned air channel, and the air channel picks out the air port and is no less than one.
Above-mentioned evaporimeter is no less than one, uses a plurality of evaporimeters then to be connected in parallel between evaporimeter and the evaporimeter.
Above-mentioned evaporimeter is air-cooled.Above-mentioned hot water storage tank and heat pump condenser are split or incorporate.
The control method of this device, the state of each valve is as shown in the table under each operational mode:
The invention has the beneficial effects as follows:
1. perfect in shape and function, system compact can realize heating, air-conditioning, dehumidifying three big functions.Utilize heat pump techniques efficiently to utilize electric energy to obtain the domestic hot-water; Bathe the back and open dehumidification function, can guarantee that the bathroom recovers dry and comfortable, reduces mouldy and electric leakage; The cold that summer, recyclable heat pump heated generation makes the bathroom nice and cool.
2. when system stability, dependable performance heat pump and dehumidification system were worked, cold-producing medium circulated along path separately, finishes heating and dehumidification function respectively, the reliability height of the distribution of cold-producing medium and compressor oil return.
3. saving material, two systems of the system integration adopt a compressor and an evaporimeter to mate except that wet condenser and heat pump condenser, make the system high efficiency operation.Realize a cover system take into account the dehumidifying with heat pump two big functions; Material cost is saved in system integration design.
4. flexible design makes things convenient for the air outlet of four seasons dehumidifier to can be made into various ways, and convenient the installation is beneficial to local dehumidifying, as towel rack, wall mirror top, or the appliance plug place; During winter heating water, it is outdoor to utilize air-valve that the ventilating opening of evaporimeter is connected, and absorbs the heat in the atmosphere; When summer and transition season, with the air-valve commutation, evaporimeter will be to the indoor cold that provides.When needing dehumidifying, it is indoor that air-valve leads to evaporimeter, rapid dry room air.
5. optimal control, heat-conserving energy-saving multi heating mode are preferentially at paddy electricity period (23:00～7:00) operation; System's operation of heat pump is subjected to water temperature and period two kinds of controls.Continuously the water period, select " water temperature " control shelves,, open blower fan and compressor when water temperature is lower than setting value; The discontinuous water period, select " period+water temperature " control shelves, water temperature is lower than setting value, but the time do not belong to the paddy electricity period, heat pump does not move; Reach the paddy electricity period, connect circuit, open blower fan and compressor.Cistern water level adopts vague memory control, and the water consumption that can remember one day realizes that water level is adjustable, avoids storing the unnecessary water yield and causes waste.
This device satisfies demand throughout the year, and the bathroom that is particularly suitable for family, hotel uses.
Description of drawings
Fig. 1. be the heat pump hot-water system schematic diagram of band dehumidification function of the present invention
Wherein
1, compressor 2, vapour liquid separator 3, thermal storage water tank 4, heat pump condenser 5, feed pump 6, mix water valve 7,9,10,20, magnetic valve 8, outlet valve 11, liquid reservoir 12, choke valve 13, induced-draught fan 14, remove wet condenser 15, evaporimeter 16, air channel 17 wind direction switches, 18 exhaust blowers, 19 water compensating valves
The specific embodiment
The system schematic of this device as shown in Figure 1, form by two systems, one is the heat pump hot-water system that has hot water storage tank, comprises compressor 1, hot water storage tank 3, heat pump condenser 4, liquid reservoir 11, choke valve 12, evaporimeter 15, induced-draught fan 13, air channel 16, wind direction switch 17, vapour liquid separator 2 and mixed water valve 6, outlet valve 8, water compensating valve 19, feed pump 5, magnetic valve 7,9,10 compositions.
When heating aqueous mode, the refrigerant vapour that comes out from compressor 1 enters heat pump condenser 4 release heat through magnetic valve 7, the cold water in the heating hot water storage tank, (hot water storage tank and condenser can be splits, also can be incorporate).Enter liquid reservoir 11 through magnetic valve 9 after condensation of refrigerant is got off, evaporimeter 15 is sent in choke valve 12 step-downs of flowing through again, and wind direction switch 17 is opened during winter, and evaporimeter communicates with outdoor air, the heat that absorption chamber is outer; Wind direction switch 17 cuts out during summer, and evaporimeter communicates with room air, and the heat in the absorption chamber turns cold room air.Cold-producing medium becomes steam again in evaporimeter, through vapour liquid separator 2, return compressor 1.
The another one system of device is a refrigerant dehumidification system, comprises compressor 1, removes wet condenser 14, liquid reservoir 11, choke valve 12, evaporimeter 15, induced-draught fan 13, air channel 16, wind direction switch 17, vapour liquid separator 2 and magnetic valve 9,20,10;
During dehumidification mode, the refrigerant vapour that comes out from compressor 1 enters except that wet condenser 14 release heat through magnetic valve 20.Enter liquid reservoir 11 (this moment, magnetic valve 9 cut out) through magnetic valve 10 after the condensation of refrigerant, evaporimeter 15 is sent in choke valve 12 step-downs of flowing through again, and the heat in the absorption chamber becomes steam again, through vapour liquid separator 2, returns compressor 1.Room air enters condenser through induced-draught fan 13 evaporimeter of flowing through behind the dehumidifying and cooling, condensation heat partly or entirely is used for hot-air (the air draft air exit temp is adjustable) again, air is heated up, reduce its relative humidity, become dry warm braw, enter indoor through exhaust blower 18.
Claims (6)
1. heat-pump water heater with dehumidification function, comprise the heat pump hot-water system and the refrigerant dehumidification system that have hot water storage tank, it is characterized in that: two systems of this device have separately independently that parts have shared parts again, and two system's common means have compressor, vapour liquid separator, choke valve, evaporimeter, liquid reservoir, blower fan, air channel, wind direction switch;
The above-mentioned heat pump hot-water system that has hot water storage tank comprises compressor (1), hot water storage tank (3), heat pump condenser (4), liquid reservoir (11), choke valve (12), evaporimeter (15), induced-draught fan (13), air channel (16), wind direction switch (17), vapour liquid separator (2) and mixed water valve (6), outlet valve (8), water compensating valve (19), feed pump (5), magnetic valve (7,9,10) composition; One tunnel process magnetic valve (7) of compressor (1) is connected with an end of heat pump condenser (4), heat pump condenser (4) places hot water storage tank (3), the magnetic valve (10) that connects magnetic valve (9) by the road cuts out, the other end of heat pump condenser (4) is connected with liquid reservoir (11) through magnetic valve (9), liquid reservoir (11) connects evaporimeter (15) through choke valve (12), evaporimeter (15) connects induced-draught fan (13), induced-draught fan (13) air outlet is equipped with air channel (16), wind direction switch (17) is installed in the air channel (16), evaporimeter (15) connects vapour liquid separator (2) through pipeline, vapour liquid separator (2) connects compressor (1), above-mentioned hot water storage tank (3) is connected mixed water valve (6) and water compensating valve (19) respectively with feed pump (5), and outlet valve (8) connects mixed water valve (6);
Above-mentioned refrigerant dehumidification system comprises compressor (1), removes wet condenser (14), liquid reservoir (11), choke valve (12), evaporimeter (15), induced-draught fan (13), air channel (16), wind direction switch (17), vapour liquid separator (2) and magnetic valve (9,20,10); Another road of above-mentioned compressor (1) connects through magnetic valve (20) removes wet condenser (14), and the magnetic valve (9) that connects magnetic valve (10) by the road cuts out; Remove wet condenser (14) and connect liquid reservoir (11) through magnetic valve (10), liquid reservoir (11) connects evaporimeter (15) through choke valve (12), evaporimeter (15) connects induced-draught fan (13), induced-draught fan (13) air outlet is equipped with air channel (16), wind direction switch (17) is installed in the air channel (16), evaporimeter (15) connects vapour liquid separator (2) through pipeline, and vapour liquid separator (2) connects compressor (1), removes wet condenser (14) and connects exhaust blower (18).
2. the heat-pump water heater of band dehumidification function according to claim 1 is characterized in that: indoor or outdoors is led in above-mentioned air channel, and the air channel picks out the air port and is no less than one.
3. the heat-pump water heater of band dehumidification function according to claim 1 is characterized in that: above-mentioned evaporimeter is no less than one, uses a plurality of evaporimeters then to be connected in parallel between evaporimeter and the evaporimeter.
4. according to the heat-pump water heater of claim 1 or 3 described band dehumidification functions, it is characterized in that: above-mentioned evaporimeter is air-cooled.
5. the heat-pump water heater of band dehumidification function according to claim 1 is characterized in that: above-mentioned hot water storage tank and heat pump condenser are split or incorporate.
6. the control method of the heat-pump water heater of the described band dehumidification function of claim 1 is characterized in that, the state of each valve is as shown in the table under each operational mode:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100317261A CN101169296A (en) | 2007-11-28 | 2007-11-28 | Heat pump hot water device with dehumidifying function and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100317261A CN101169296A (en) | 2007-11-28 | 2007-11-28 | Heat pump hot water device with dehumidifying function and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101169296A true CN101169296A (en) | 2008-04-30 |
Family
ID=39389992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100317261A Pending CN101169296A (en) | 2007-11-28 | 2007-11-28 | Heat pump hot water device with dehumidifying function and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101169296A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620425A (en) * | 2011-12-29 | 2012-08-01 | 厦门大学 | Heat-pump dehumidification water heater |
| CN103017332A (en) * | 2012-12-05 | 2013-04-03 | 西安交通大学 | Heat-accumulating and dehumidifying coupled frostless air source heat pump water heater |
| CN103697622A (en) * | 2013-11-12 | 2014-04-02 | 罗伟强 | Equipment embedded with internal instant heat pump water heater having air cooling and exhausting functions |
| CN104456732A (en) * | 2014-11-27 | 2015-03-25 | 广东芬尼克兹节能设备有限公司 | Multifunctional bathroom equipment |
| CN106016739A (en) * | 2016-07-14 | 2016-10-12 | 上海东方延华节能技术服务股份有限公司 | Energy-saving type hot water system and obtaining method thereof |
| CN106255858A (en) * | 2014-04-21 | 2016-12-21 | （株）庆东Navien | Heat of mixing pumping unit |
| CN106440505A (en) * | 2016-10-26 | 2017-02-22 | 广东高而美制冷设备有限公司 | Drying system capable of making hot water and working mode thereof |
| CN106705480A (en) * | 2016-12-28 | 2017-05-24 | 冯新华 | Integrated heat pump unit capable of dehumidifying, providing hot water and conditioning air |
| CN108361801A (en) * | 2018-03-19 | 2018-08-03 | 柳州职业技术学院 | Bathroom demisting heater |
| CN108375283A (en) * | 2018-03-21 | 2018-08-07 | 滁州学院 | A kind of closed loop double evaporators drying heat pump and the oil recovery method that volatilizees |
| CN108758918A (en) * | 2018-06-28 | 2018-11-06 | 珠海格力电器股份有限公司 | Novel bathroom air conditioning system and control method thereof |
| WO2020187010A1 (en) * | 2019-03-21 | 2020-09-24 | 北京瑞特爱机电设备工程有限公司 | Cold-heat dual-storage-type room air conditioning device |
| CN113251658A (en) * | 2020-02-12 | 2021-08-13 | 青岛海尔新能源电器有限公司 | Control method for dehumidifying by utilizing heat pump water heater |
-
2007
- 2007-11-28 CN CNA2007100317261A patent/CN101169296A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620425B (en) * | 2011-12-29 | 2014-10-08 | 厦门大学 | Heat-pump dehumidification water heater |
| CN102620425A (en) * | 2011-12-29 | 2012-08-01 | 厦门大学 | Heat-pump dehumidification water heater |
| CN103017332A (en) * | 2012-12-05 | 2013-04-03 | 西安交通大学 | Heat-accumulating and dehumidifying coupled frostless air source heat pump water heater |
| CN103017332B (en) * | 2012-12-05 | 2015-01-07 | 西安交通大学 | Heat-accumulating and dehumidifying coupled frostless air source heat pump water heater |
| CN103697622A (en) * | 2013-11-12 | 2014-04-02 | 罗伟强 | Equipment embedded with internal instant heat pump water heater having air cooling and exhausting functions |
| CN106255858A (en) * | 2014-04-21 | 2016-12-21 | （株）庆东Navien | Heat of mixing pumping unit |
| CN106255858B (en) * | 2014-04-21 | 2019-01-01 | （株）庆东Navien | Mix heat-pump apparatus |
| CN104456732B (en) * | 2014-11-27 | 2017-09-19 | 广东芬尼克兹节能设备有限公司 | Multifunctional bathroom equipment |
| CN104456732A (en) * | 2014-11-27 | 2015-03-25 | 广东芬尼克兹节能设备有限公司 | Multifunctional bathroom equipment |
| CN106016739A (en) * | 2016-07-14 | 2016-10-12 | 上海东方延华节能技术服务股份有限公司 | Energy-saving type hot water system and obtaining method thereof |
| CN106440505A (en) * | 2016-10-26 | 2017-02-22 | 广东高而美制冷设备有限公司 | Drying system capable of making hot water and working mode thereof |
| CN106705480A (en) * | 2016-12-28 | 2017-05-24 | 冯新华 | Integrated heat pump unit capable of dehumidifying, providing hot water and conditioning air |
| CN108361801A (en) * | 2018-03-19 | 2018-08-03 | 柳州职业技术学院 | Bathroom demisting heater |
| CN108375283A (en) * | 2018-03-21 | 2018-08-07 | 滁州学院 | A kind of closed loop double evaporators drying heat pump and the oil recovery method that volatilizees |
| CN108758918A (en) * | 2018-06-28 | 2018-11-06 | 珠海格力电器股份有限公司 | Novel bathroom air conditioning system and control method thereof |
| CN108758918B (en) * | 2018-06-28 | 2024-01-12 | 珠海格力电器股份有限公司 | Novel bathroom air conditioning system and control method thereof |
| WO2020187010A1 (en) * | 2019-03-21 | 2020-09-24 | 北京瑞特爱机电设备工程有限公司 | Cold-heat dual-storage-type room air conditioning device |
| CN113251658A (en) * | 2020-02-12 | 2021-08-13 | 青岛海尔新能源电器有限公司 | Control method for dehumidifying by utilizing heat pump water heater |
| CN113251658B (en) * | 2020-02-12 | 2022-11-15 | 青岛海尔新能源电器有限公司 | Control method for dehumidifying by utilizing heat pump water heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101169296A (en) | Heat pump hot water device with dehumidifying function and its control method | |
| CN103090485B (en) | Air conditioning system for restaurant | |
| CN203177357U (en) | Domestic fresh air dehumidifier | |
| CN110748970B (en) | Air conditioning system and control method thereof | |
| CN102162692B (en) | Combined home-use air conditioning heat pump hot water machine system | |
| CN109373610B (en) | Heat supply and cold supply system with solar energy and underground water combined energy supply | |
| CN110748964B (en) | Air conditioner system, air conditioner and control method of air conditioner | |
| CN110748963B (en) | Air conditioner system, air conditioner and control method of air conditioner | |
| CN100548187C (en) | A kind of cold-storing type air-conditioning bed | |
| CN111396987A (en) | Full-performance air conditioner integration unit and air duct structure and compatible system function process thereof | |
| CN103267329B (en) | The refrigeration of solar energy evaporative cooling and capillary radiation, heat supply and hot-water heating system | |
| CN106895520A (en) | A kind of air source heat pump constant temperature, constant humidity, permanent oxygen air-conditioner set | |
| CN100465548C (en) | New type multifunctional virtuous circle air conditioner | |
| CN101498522B (en) | Heat pump water heater of dehumidification air conditioner | |
| CN201149377Y (en) | Bathroom drying water heater | |
| CN104833131B (en) | A kind of separate type air conditioner in multi cycle loop | |
| CN100451467C (en) | Combined method and device for treating air | |
| CN105570974A (en) | Compression cold/hot water supply heating and cooling device | |
| CN103836725A (en) | Sensible heat recovery type fresh air humidity control unit | |
| KR102243380B1 (en) | Multi Heatpump System | |
| CN103851723A (en) | Air conditioning system for restaurant | |
| CN204665743U (en) | A kind of separate type air conditioner of multi cycle loop | |
| CN205351543U (en) | Cold warm air conditioner system water all -in -one of movable | |
| CN211146700U (en) | Air conditioner system and air conditioner | |
| CN211146701U (en) | Air conditioner system and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |