CN107642918A - A kind of cold and hot adaptive water chiller-heater unit - Google Patents
A kind of cold and hot adaptive water chiller-heater unit Download PDFInfo
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- CN107642918A CN107642918A CN201710940832.5A CN201710940832A CN107642918A CN 107642918 A CN107642918 A CN 107642918A CN 201710940832 A CN201710940832 A CN 201710940832A CN 107642918 A CN107642918 A CN 107642918A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims abstract description 85
- 238000001816 cooling Methods 0.000 claims abstract description 70
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 230000008676 import Effects 0.000 claims description 15
- RFHAOTPXVQNOHP-UHFFFAOYSA-N fluconazole Chemical compound C1=NC=NN1CC(C=1C(=CC(F)=CC=1)F)(O)CN1C=NC=N1 RFHAOTPXVQNOHP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Other Air-Conditioning Systems (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses a kind of cold and hot adaptive water chiller-heater unit, including evaporator, gas-liquid separator, helical-lobe compressor, water-cooled condenser, reservoir, device for drying and filtering, system ball valve, throttling arrangement, Adaptable System and the spray system being interconnected by pipeline, Adaptable System includes air cooling heat exchanger part and some electric three-way regulating valves, air cooling heat exchanger Components Parallel Connection is communicated in pipeline by some electric three-way regulating valves, and the working condition of air cooling heat exchanger part is controlled by changing the opening and closing of electric three-way regulating valves.The cold and hot adaptive water chiller-heater unit of the present invention, cold and hot adaptive water cooling and heating units system is simple in construction, pass through programme-control, can be in the case of cooling and heating load be unbalanced, autonomous selection operational mode, meet different demands of the user to cold water and hot water at any time, be mainly used in the building for needing Temperature and Humidity Control or the double supplies of hot and cold water.
Description
Technical field
The present invention relates to air-conditioning system technical field, and in particular to a kind of water chiller-heater unit.
Background technology
With raising of the people to environmental quality requirement of living, building each air conditioning area needs by cold water and hot water
Ambient temperature and humidity is regulated and controled.Cooling and heating load can be caused not to the inconsistency of hot-cool demand in transition season, user simultaneously
Balance, i.e., in some period it is possible that thermic load is big and refrigeration duty is small or refrigeration duty is big and feelings that thermic load is small
Condition.Contrast conventional Air-Cooled Heat Pump Unit and single offer cold water or hot water are provided, the Air-Cooled Heat Pump Unit with heat regenerator is although can
To be supplied while realizing cold water and hot water, but have some limitations, that is, the heat for producing hot water comes from compressor row
The overheated gas gone out, only unit are under refrigeration mode and could obtained, and the heat of recuperation of heat is directly proportional to unit refrigerating capacity, and
And when unit is in heating mode, it is impossible to while chilled water is provided.Therefore recovery type heat Air-Cooled Heat Pump Unit can not meet non-
The hot-cool demand of balance.And though current four-pipe heating pump unit can provide hot water in summer, winter provides cold, adopts mostly
Function switch is carried out with four-way reversing valve and some magnetic valves, system architecture is complicated.
The content of the invention
Goal of the invention:The present invention provides a kind of cold and hot adaptive water chiller-heater unit, it is intended in the unbalanced feelings of cooling and heating load
Under condition, unit independently selects operational mode, meets different demands of the user to cold water and hot water at any time, and simultaneity factor is simple in construction
Reliably.
Technical scheme:The present invention provides a kind of cold and hot adaptive water chiller-heater unit, including the steaming being interconnected by pipeline
Send out device, gas-liquid separator, helical-lobe compressor, water-cooled condenser, reservoir, device for drying and filtering, system ball valve, throttling arrangement, from
Adaptive system and spray system, Adaptable System includes air cooling heat exchanger part and some electric three-way regulating valves, some electronic
Air cooling heat exchanger Components Parallel Connection is communicated in pipeline by three-way control valve, by changing the opening and closing of electric three-way regulating valves and then control
The working condition of air cooling heat exchanger part processed.
Preferably, electric three-way regulating valves are provided with four groups, and two-way is divided in air cooling heat exchanger part one end, wherein a branch connects
The first electric three-way regulating valves are connect, the first electric three-way regulating valves residue both ends connect evaporator outlet and gas-liquid separator respectively
Import, another branch connect the second electric three-way regulating valves, the second electric three-way regulating valves residue both ends difference connecting screw
Compressor outlet and water-cooled condenser import;The air cooling heat exchanger part other end divides two-way, wherein one article of electricity of branch connection the 3rd
Dynamic three-way control valve, the 3rd electric three-way regulating valves residue both ends connect water-cooled condenser outlet and reservoir import respectively, separately
One branch connects choke valve, and the choke valve other end connects the 4th electric three-way regulating valves, and the 4th electric three-way regulating valves are remaining
Both ends connect the outlet of system ball valve and throttling arrangement import respectively;
Gas-liquid separator outlet is connected with helical-lobe compressor import, and reservoir outlet divides two-way, and a branch is sequentially connected
Device for drying and filtering and system ball valve, another branch connect spray system;
Spray system includes initial end, and initial end divides two-way, wherein a branch is sequentially connected hydrojet ball valve and one-level heat
Power expansion valve, the one-level heating power expansion valve other end are connected to helical-lobe compressor discharge chambe mouth spray, and another branch is sequentially connected
Hydrojet magnetic valve and two level heating power expansion valve, the two level heating power expansion valve other end are connected to helical-lobe compressor motor mouth spray.
Preferably, four electric three-way regulating valves are that the logical electric three passes flanged ball valve in the tunnels of two-way Tong Huo tri- can be achieved, and are led to
Cross the passage cut-out of four electric three-way regulating valves of change or open, air cooling heat exchanger part can be used as air-cooled condenser or air-cooled
Evaporator.
Preferably, when air cooling heat exchanger part is not involved in pipeline, the cut-out of the first electric three-way regulating valves connects air-cooled heat exchange
The divided channel of device part, realize that two-way leads to;The divided channel of 4th electric three-way regulating valves cut-out connection choke valve, realizes two
Lu Tong;The divided channel of second electric three-way regulating valves cut-out connection air cooling heat exchanger part, realizes that two-way leads to;3rd electronic three
The divided channel of logical regulating valve cut-out connection air cooling heat exchanger part, realizes that two-way leads to.
Preferably, when air cooling heat exchanger part intervenes pipeline as wind-cooled evaporator, the first electric three-way regulating valves are opened
The divided channel of air cooling heat exchanger part is connected, realizes that three tunnels lead to;4th electric three-way regulating valves open point of connection choke valve
Paths, realize that three tunnels lead to;The divided channel of second electric three-way regulating valves cut-out connection air cooling heat exchanger part, realizes two-way
It is logical;The divided channel of 3rd electric three-way regulating valves cut-out connection air cooling heat exchanger part, realizes that two-way leads to.
Preferably, when air cooling heat exchanger part intervenes pipeline as air-cooled condenser, the cut-out of the first electric three-way regulating valves
The divided channel of air cooling heat exchanger part is connected, realizes that two-way leads to;Point of 4th electric three-way regulating valves cut-out connection choke valve
Paths, realize that two-way leads to;Second electric three-way regulating valves open the divided channel of connection air cooling heat exchanger part, realize three tunnels
It is logical;3rd electric three-way regulating valves open the divided channel of connection air cooling heat exchanger part, realize that three tunnels lead to.
Preferably, throttling arrangement and choke valve are electric expansion valve or heating power expansion valve or orifice control valve.
Beneficial effect:A kind of cold and hot adaptive water chiller-heater unit of the present invention, using four electric three-way regulating valves by one
Individual air cooling heat exchanger part is in parallel with simple refrigeration system, is switched by electric three-way regulating valves inner passage, air-cooled heat exchange
Device part can be put down at any time as air-cooled condenser and as free switching in wind-cooled evaporator until reaching system cold and hot amount
Weighing apparatus, both meet hot-cool demand simultaneously, cold water and hot water are provided for building, and improve utilization rate of the unit to condensation heat, reliable section again
Can, different demands of the user to cold water and hot water can be met at any time, solve building for the double supplies of Temperature and Humidity Control or hot and cold water
The problem of supply effect is bad is built, and the unit also has the function of single refrigeration and heating.
Brief description of the drawings
Fig. 1 is the systematic schematic diagram of the cold and hot adaptive water chiller-heater unit of the present invention.
Embodiment
Further detailed description is done to the present invention below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of cold and hot adaptive water chiller-heater unit of the present invention, including including interconnected by pipeline
Evaporator 1, gas-liquid separator 2, helical-lobe compressor 3, water-cooled condenser 4, reservoir 5, device for drying and filtering 6, system ball valve 7, section
Stream device 8, Adaptable System 9 and spray system 10, Adaptable System 9 include air cooling heat exchanger part 9.6 and some electronic three
Logical regulating valve, some electric three-way regulating valves by the parallel communication of air cooling heat exchanger part 9.6 in pipeline, by changing electronic three
The opening and closing of logical regulating valve and then the working condition of control air cooling heat exchanger part 9.6, wherein, four electric three-way regulating valves 9.1-
9.4 be electric three passes flanged ball valve, and the tunnels of two-way Tong Huo tri- can be achieved and lead to, by four electric three-way regulating valves passage cut-out or
Open, air cooling heat exchanger part 9.6 can not only be used for air-cooled condenser, can also be used as wind-cooled evaporator.
Two-way is divided in one end of air cooling heat exchanger part 9.6 of Adaptable System 9, wherein a branch connects the first electric three passes
Regulating valve 9.1,9.1 remaining both ends of the first electric three-way regulating valves connect the outlet of evaporator 1 and the import of gas-liquid separator 2 respectively,
Another branch connects the second electric three-way regulating valves 9.2,9.2 remaining both ends difference connecting screw of the second electric three-way regulating valves
Compressor 3 exports and the import of water-cooled condenser 4;The other end of air cooling heat exchanger part 9.6 divides two-way, wherein one article of branch connection the
Three electric three-way regulating valves 9.3,9.3 remaining both ends of the 3rd electric three-way regulating valves connect water-cooled condenser 4 and export and store up respectively
The import of liquid device 5, another branch connect choke valve 9.5, and the other end of choke valve 9.5 connects the 4th electric three-way regulating valves 9.4, the
Four electric three-way regulating valves, 9.4 remaining both ends connect the outlet of system ball valve 7 and the import of throttling arrangement 8 respectively.
The outlet of gas-liquid separator 2 is connected with the import of helical-lobe compressor 3.The outlet of reservoir 5 divides two-way, and a branch connects successively
Device for drying and filtering 6 and system ball valve 7 are connect, another branch connects spray system 10.Throttling arrangement 8 and choke valve 9.5 are electronics
Expansion valve or heating power expansion valve or orifice control valve.
Spray system 10 includes initial end, and initial end divides two-way, wherein a branch is sequentially connected the He of hydrojet ball valve 10.1
One-level heating power expansion valve 10.2, the other end of one-level heating power expansion valve 10.2 is connected to the discharge chambe mouth spray of helical-lobe compressor 3, another
Bar branch is sequentially connected hydrojet magnetic valve 10.3 and two level heating power expansion valve 10.4, the connection of the other end of two level heating power expansion valve 10.4
To the motor mouth spray of helical-lobe compressor 3.
Unit original default pattern is that it is not involved in pipeline without using air cooling heat exchanger part 9.6, and heat demand is equal to cold
Demand, i.e., the heat consumption of hot water is equal to the cold consumption of chilled water caused by evaporator 1 caused by water-cooled condenser 4,.First
The divided channel of the cut-out connection air cooling heat exchanger of electric three-way regulating valves 9.1 part 9.6, realizes that two-way leads to;4th electric three passes
The divided channel of the cut-out connection choke valve 9.5 of regulating valve 9.4, realizes that two-way leads to;The cut-out connection of second electric three-way regulating valves 9.2
The divided channel of air cooling heat exchanger part 9.6, realize that two-way leads to;The cut-out of 3rd electric three-way regulating valves 9.3 connects air-cooled heat exchange
The divided channel of device part 9.6, realize that two-way leads to.
When heat demand is more than cold demand, i.e., the heat consumption of hot water produces more than evaporator 1 caused by water-cooled condenser 4
Chilled water cold consumption, air cooling heat exchanger part 9.6 will be used as wind-cooled evaporator intervention pipeline, the first electric three passes regulation
Valve opens the divided channel of connection air cooling heat exchanger part, realizes that three tunnels lead to;4th electric three-way regulating valves open connection throttling
The divided channel of valve, realize that three tunnels lead to;The divided channel of second electric three-way regulating valves cut-out connection air cooling heat exchanger part, it is real
Existing two-way leads to;The divided channel of 3rd electric three-way regulating valves cut-out connection air cooling heat exchanger part, realizes that two-way leads to.Now,
Evaporator 1 and air cooling heat exchanger part 9.6 are in parallel, and unit enters heating mode of priority.
When cold demand is more than heat demand, i.e., the cold of chilled water is consumed and produced more than water-cooled condenser 4 caused by evaporator 1
The heat consumption of raw hot water, air cooling heat exchanger part 9.6 will be used as air-cooled condenser, and the first electric three-way regulating valves 9.1 are cut
The divided channel of connection breaking air cooling heat exchanger part 9.6, realizes that two-way leads to;4th electric three-way regulating valves 9.4 cut-out connection section
The divided channel of valve 9.5 is flowed, realizes that two-way leads to;Second electric three-way regulating valves 9.2 open connection air cooling heat exchanger part 9.6
Divided channel, realize that three tunnels lead to;3rd electric three-way regulating valves 9.3 open the divided channel of connection air cooling heat exchanger part 9.6,
Realize that three tunnels lead to.Now, water-cooled condenser 4 and air cooling heat exchanger part 9.6 are in parallel, and unit enters refrigeration mode of priority.
When unit is in single refrigeration pattern, air cooling heat exchanger part 9.6 is as air-cooled condenser intervention pipeline, water cooling
Divided channel of the condenser 4 without refrigerant by, the first electric three-way regulating valves 9.1 cut-out connection air cooling heat exchanger part 9.6,
Realize that two-way leads to;The divided channel of 4th electric three-way regulating valves 9.4 cut-out connection choke valve 9.5, realizes that two-way leads to;Second electricity
Dynamic three-way control valve 9.2 opens the divided channel of connection air cooling heat exchanger part 9.6, the branch of cut-out connection water-cooled condenser 4
Passage, realize that two-way leads to;3rd electric three-way regulating valves 9.3 open the divided channel of connection air cooling heat exchanger part 9.6, cut-out
The divided channel of water-cooled condenser 4 is connected, realizes that two-way leads to.
When unit is in single heating mode, air cooling heat exchanger part 9.6 is as wind-cooled evaporator intervention pipeline, evaporation
Device 1 is without refrigerant by the way that the first electric three-way regulating valves 9.1 open the divided channel of connection air cooling heat exchanger part 9.6, cut-out
The divided channel of evaporator 1 is connected, realizes that two-way leads to;4th electric three-way regulating valves 9.4 open the branch of connection choke valve 9.5
Passage, the divided channel of cut-out connection evaporator 1, realizes that two-way leads to;The cut-out connection of second electric three-way regulating valves 9.2 is air-cooled to change
The divided channel of hot device part 9.6, realizes that two-way leads to;3rd electric three-way regulating valves 9.3 cut-out connection air cooling heat exchanger part
9.6 divided channel, realize that two-way leads to.
It the above is only the preferred embodiment of the present invention, it should be pointed out that:Come for those skilled in the art
Say, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (7)
- A kind of 1. cold and hot adaptive water chiller-heater unit, it is characterised in that:Including evaporator (1), the gas being interconnected by pipeline Liquid/gas separator (2), helical-lobe compressor (3), water-cooled condenser (4), reservoir (5), device for drying and filtering (6), system ball valve (7), Throttling arrangement (8), Adaptable System (9) and spray system (10), Adaptable System (9) include air cooling heat exchanger part (9.6) With some electric three-way regulating valves, some electric three-way regulating valves by air cooling heat exchanger part (9.6) parallel communication in pipeline, The working condition of air cooling heat exchanger part (9.6) is controlled by changing the opening and closing of electric three-way regulating valves.
- 2. cold and hot adaptive water chiller-heater unit according to claim 1, it is characterised in that:Electric three-way regulating valves are provided with four Two-way is divided in group, air cooling heat exchanger part (9.6) one end, wherein branch first electric three-way regulating valves of connection (9.1), first Electric three-way regulating valves (9.1) remaining both ends connect respectively evaporator (1) outlet and gas-liquid separator (2) import, another point Road connects the second electric three-way regulating valves (9.2), the remaining both ends difference connecting screw compression of the second electric three-way regulating valves (9.2) Machine (3) exports and water-cooled condenser (4) import;Air cooling heat exchanger part (9.6) other end divides two-way, wherein a branch connection 3rd electric three-way regulating valves (9.3), the 3rd electric three-way regulating valves (9.3) remaining both ends connect water-cooled condenser (4) respectively Outlet and reservoir (5) import, another branch connection choke valve (9.5), choke valve (9.5) other end connection the 4th electronic three Logical regulating valve (9.4), the 4th electric three-way regulating valves (9.4) remaining both ends connect system ball valve (7) outlet and throttling dress respectively Put (8) import;Gas-liquid separator (2) outlet is connected with helical-lobe compressor (3) import, and reservoir (5) outlet divides two-way, and a branch is successively Connect device for drying and filtering (6) and system ball valve (7), another branch connection spray system (10);Spray system (10) includes initial end, and initial end divides two-way, wherein a branch be sequentially connected hydrojet ball valve (10.1) and One-level heating power expansion valve (10.2), one-level heating power expansion valve (10.2) other end are connected to helical-lobe compressor (3) discharge chambe hydrojet Mouthful, another branch is sequentially connected hydrojet magnetic valve (10.3) and two level heating power expansion valve (10.4), two level heating power expansion valve (10.4) other end is connected to helical-lobe compressor (3) motor mouth spray.
- 3. cold and hot adaptive water chiller-heater unit according to claim 1 or 2, it is characterised in that:Four electric three passes regulations Valve is that the logical electric three passes flanged ball valve in the tunnels of two-way Tong Huo tri- can be achieved, and is cut by the passage for changing four electric three-way regulating valves Disconnected or opening, air cooling heat exchanger part (9.6) can be used as air-cooled condenser or wind-cooled evaporator.
- 4. cold and hot adaptive water chiller-heater unit according to claim 3, it is characterised in that:Air cooling heat exchanger part (9.6) When being not involved in pipeline, the divided channel of the first electric three-way regulating valves (9.1) cut-out connection air cooling heat exchanger part (9.6) is real Existing two-way leads to;The divided channel of 4th electric three-way regulating valves (9.4) cut-out connection choke valve (9.5), realizes that two-way leads to;Second The divided channel of electric three-way regulating valves (9.2) cut-out connection air cooling heat exchanger part (9.6), realizes that two-way leads to;3rd is electronic The divided channel of three-way control valve (9.3) cut-out connection air cooling heat exchanger part (9.6), realizes that two-way leads to.
- 5. cold and hot adaptive water chiller-heater unit according to claim 3, it is characterised in that:Air cooling heat exchanger part (9.6) When intervening pipeline as wind-cooled evaporator, the first electric three-way regulating valves (9.1) open connection air cooling heat exchanger part (9.6) Divided channel, realize that three tunnels lead to;4th electric three-way regulating valves (9.4) open the divided channel of connection choke valve (9.5), realize Three tunnels lead to;The divided channel of second electric three-way regulating valves (9.2) cut-out connection air cooling heat exchanger part (9.6), realizes two-way It is logical;The divided channel of 3rd electric three-way regulating valves (9.3) cut-out connection air cooling heat exchanger part (9.6), realizes that two-way leads to.
- 6. cold and hot adaptive water chiller-heater unit according to claim 3, it is characterised in that:Air cooling heat exchanger part (9.6) When intervening pipeline as air-cooled condenser, the first electric three-way regulating valves (9.1) cut-out connection air cooling heat exchanger part (9.6) Divided channel, realize that two-way leads to;The divided channel of 4th electric three-way regulating valves (9.4) cut-out connection choke valve (9.5), realize Two-way leads to;Second electric three-way regulating valves (9.2) open the divided channel of connection air cooling heat exchanger part (9.6), realize three tunnels It is logical;3rd electric three-way regulating valves (9.3) open the divided channel of connection air cooling heat exchanger part (9.6), realize that three tunnels lead to.
- 7. cold and hot adaptive water chiller-heater unit according to claim 1, it is characterised in that:Throttling arrangement (8) and choke valve (9.5) it is electric expansion valve or heating power expansion valve or orifice control valve.
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CN201710940832.5A CN107642918A (en) | 2017-10-11 | 2017-10-11 | A kind of cold and hot adaptive water chiller-heater unit |
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CN201710940832.5A CN107642918A (en) | 2017-10-11 | 2017-10-11 | A kind of cold and hot adaptive water chiller-heater unit |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115264985A (en) * | 2022-07-01 | 2022-11-01 | 华为数字能源技术有限公司 | Cold and hot water unit, control method thereof and heating ventilation air conditioning system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005233476A (en) * | 2004-02-18 | 2005-09-02 | Fujitsu General Ltd | Heat pump hot water supply air conditioner |
CN1788185A (en) * | 2003-05-15 | 2006-06-14 | 大金工业株式会社 | Refrigerator |
CN101504211A (en) * | 2009-03-17 | 2009-08-12 | 贝莱特空调有限公司 | Multifunctional six-in-one air-cooling heat pump unit |
CN101788209A (en) * | 2010-01-21 | 2010-07-28 | 李港 | Integrated heat exchange system |
CN207317309U (en) * | 2017-10-11 | 2018-05-04 | 南京五洲制冷集团有限公司 | A kind of cold and hot adaptive water chiller-heater unit |
-
2017
- 2017-10-11 CN CN201710940832.5A patent/CN107642918A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1788185A (en) * | 2003-05-15 | 2006-06-14 | 大金工业株式会社 | Refrigerator |
JP2005233476A (en) * | 2004-02-18 | 2005-09-02 | Fujitsu General Ltd | Heat pump hot water supply air conditioner |
CN101504211A (en) * | 2009-03-17 | 2009-08-12 | 贝莱特空调有限公司 | Multifunctional six-in-one air-cooling heat pump unit |
CN101788209A (en) * | 2010-01-21 | 2010-07-28 | 李港 | Integrated heat exchange system |
CN207317309U (en) * | 2017-10-11 | 2018-05-04 | 南京五洲制冷集团有限公司 | A kind of cold and hot adaptive water chiller-heater unit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115264985A (en) * | 2022-07-01 | 2022-11-01 | 华为数字能源技术有限公司 | Cold and hot water unit, control method thereof and heating ventilation air conditioning system |
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