CN205505488U - Air -cooled heat pump chiller - Google Patents
Air -cooled heat pump chiller Download PDFInfo
- Publication number
- CN205505488U CN205505488U CN201620104785.1U CN201620104785U CN205505488U CN 205505488 U CN205505488 U CN 205505488U CN 201620104785 U CN201620104785 U CN 201620104785U CN 205505488 U CN205505488 U CN 205505488U
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- way valve
- port
- pipeline
- valve
- air
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Abstract
The utility model discloses an air -cooled heat pump chiller, this unit have increased the liquid storage pot on the basis of original structure, the liquid storage pot is installed on the connecting line between no. Three three -way valves and no. Two heat exchangers. Heat the during operation at the unit, no. Two heat exchangers are in high pressure satage, have condensation refrigerant liquid when heating all the time and store in the liquid storage pot, and the fluid passage pipeline the during defrosting in the liquid storage pot gets into no. Two heat exchangers and supplyes the refrigerant, are unlikely to to cause no. Two heat exchangers because the volume is less leads to appearing evaporating pressure in the twinkling of an eye in the compressor start and reduce low no. Two heat exchangers that cause of evaporating temperature in the twinkling of an eye and freeze the risk. In addition, a heat exchanger and no. Two volumetric matchings of heat exchanger among the air -cooled heat pump chiller can also be adjusted to the liquid storage pot, keep the unit operation stable.
Description
Technical field
This utility model relates to a kind of air-cooled heat pump water chiller-heater units.
Background technology
Air-cooled heat pump water chiller-heater units of the prior art is as it is shown in figure 1, it includes compressor 101, four-way change-over valve 103,
Number 104, No. two heat exchangers 105 of heat exchanger, gas-liquid separator 106, reservoir 107, expansion valve 108 and four three-way valve 109,
110、111、112.Wherein, the air vent of compressor 101 is connected on the D port of four-way change-over valve 103 by pipeline；Four
The E port of logical reversal valve 103 is imported and exported by a coolant of pipeline and a heat exchanger 104 and is connected, four-way change-over valve 103
S port be connected with the coolant import of gas-liquid separator 106 by pipeline, the C port of four-way change-over valve 103 and No. two heat exchange
One coolant of device 105 is imported and exported and is connected；Another coolant of a number heat exchanger 104 is imported and exported and is connected to No. one three by pipeline
On first port of logical valve 109, second port of a three-way valve 109 is connected to No. two three-way valve 110 by pipeline
On first port, second port of No. two three-way valve 110 is connected by first port of pipeline and No. three three-way valve 111,
Second port of No. three three-way valve 111 is imported and exported by another coolant of pipeline and No. two heat exchangers 105 and is connected；No. three three
3rd port of logical valve 111 is connected on first port of No. four three-way valve 112 by pipeline, No. four three-way valve 112
Second port is connected by the 3rd port of pipeline and a three-way valve 109, and the 3rd port of No. four three-way valve 112 leads to
Crossing pipeline to be connected with the coolant import of reservoir 107, the refrigerant exit of reservoir 107 is by the coolant of pipeline with expansion valve 108
Import connects, and the refrigerant exit of expansion valve 108 is connected by the 3rd port of pipeline and No. two three-way valve 110；Gas-liquid separation
The refrigerant exit of device 106 is connected with the gas returning port of compressor 101；Between a three-way valve 109 and No. two three-way valve 110
A number check valve 113 is set on connecting line, and the circulating direction of a check valve is pointed to a threeway by No. two three-way valve 110
Valve 109；No. two check valves 114, and No. two are set on the connecting line between No. two three-way valve 110 and No. three three-way valve 111
The circulating direction of check valve is pointed to No. three three-way valve 111 by No. two three-way valve 110；At No. three three-way valve 111 and No. four three-way valve
No. three check valves 115 are set on the connecting line between 112, and the circulating direction of No. three check valves is pointed to by No. three three-way valve 111
No. four three-way valve 112；No. four check valves 116 are set on the connecting line between No. four three-way valve 112 and a three-way valve 109,
And the circulating direction of No. four check valves is pointed to No. four three-way valve 112 by a three-way valve 109；No. two heat exchangers 105 also connect
It is connected to an air-conditioner water outlet pipeline and an air-conditioning water return pipeline, air-conditioning water return pipeline is provided with air conditioning pump 102.
In use there is following technical problem in above-mentioned air-cooled heat pump water chiller-heater units: when heating operation, a heat exchanger 104
Meeting frosting, needs by four-way change-over valve draw heat from No. two heat exchangers 105, when No. two heat exchanger 105 internal volumes are less than normal
Time, Defrost operation can form low pressure, and pressure moment reduces, and evaporating temperature moment reduces, when evaporating temperature is less than coolant liquid freon
After some temperature, can cause No. two heat exchangers 105 that the risk of freeze damage occurs owing to evaporating pressure is too low.
Utility model content
For above-mentioned technical problem present in prior art, the utility model proposes a kind of air-cooled heat pump water chiller-heater units, its
Adopt the following technical scheme that
Air-cooled heat pump water chiller-heater units, including compressor, four-way change-over valve, heat exchanger, No. two heat exchangers, gas-liquid separations
Device, reservoir, expansion valve, a three-way valve, No. two three-way valve, No. three three-way valve and No. four three-way valve；Wherein, compressor
Air vent be connected on the public port of four-way change-over valve by pipeline；One of four-way change-over valve commutation port by pipeline with
One coolant of a number heat exchanger is imported and exported and is connected, and another commutation port of four-way change-over valve is by pipeline and gas-liquid separator
Coolant import connects, and four-way change-over valve also has a coolant of a commutation port and No. two heat exchangers to import and export connection；No. one is changed
Another coolant of hot device is imported and exported and is connected on first port of a three-way valve by pipeline, second of a three-way valve
Port is connected on first port of No. two three-way valve by pipeline, and second port of No. two three-way valve is by pipeline and No. three
First port of three-way valve connects, and second port of No. three three-way valve is entered by another coolant of pipeline and No. two heat exchangers
Outlet connects；3rd port of No. three three-way valve is connected on first port of No. four three-way valve by pipeline, No. four threeways
Second port of valve is connected by the 3rd port of pipeline and a three-way valve, and the 3rd port of No. four three-way valve is by pipe
Road is connected with the coolant import of reservoir, and the refrigerant exit of reservoir is connected with the coolant import of expansion valve by pipeline, expansion valve
The refrigerant exit the 3rd the port connection by pipeline and No. two three-way valve；The refrigerant exit of gas-liquid separator returns with compressor
QI KOU connects；A number check valve is set on the connecting line between a three-way valve and No. two three-way valve, and a check valve
Circulating direction is pointed to a three-way valve by No. two three-way valve；Arrange on connecting line between No. two three-way valve and No. three three-way valve
No. two check valves, and the circulating direction of No. two check valves is by No. two three-way valve No. three three-way valve of sensing；No. three three-way valve and No. four
No. three check valves are set on the connecting line between three-way valve, and the circulating direction of No. three check valves is pointed to No. four by No. three three-way valve
Three-way valve；No. four check valves, and the stream of No. four check valves are set on the connecting line between No. four three-way valve and a three-way valve
No. four three-way valve are pointed to by a three-way valve in logical direction；No. two heat exchangers are also associated with an air-conditioner water outlet pipeline and a sky
Recall to water lines, air-conditioning water return pipeline is provided with air conditioning pump；On connecting line between No. three three-way valve and No. two heat exchangers
It is provided with fluid reservoir.
Preferably, fluid reservoir is serially connected on the connecting line between No. three three-way valve and No. two heat exchangers；This fluid reservoir uses single tube
The version that the version that connects internal with fluid reservoir or employing multitube and fluid reservoir inside connect.
Preferably, the pipeline that connect internal with fluid reservoir is connected to inside fluid reservoir by the optional position on fluid reservoir.
Preferably, fluid reservoir is arranged on the optional position up and down in connecting line axle center between No. three three-way valve and No. two heat exchangers.
This utility model has the advantage that
This utility model increases fluid reservoir on the basis of original air-cooled heat pump water chiller-heater units, and this fluid reservoir is installed on No. three threeways
On connecting line between valve and No. two heat exchangers.When unit heats work, No. two heat exchangers are in high pressure section, begin when heating
Having condensating refrigerant fluid storage eventually in fluid reservoir, during defrosting, the liquid in fluid reservoir enters No. two heat exchangers by pipeline and mends
Fill heat (liquid) cold-producing medium, be unlikely to cause No. two heat exchangers to cause owing to volume is less at compressor booting moment and vapor pres-sure occurs
Power moment reduces the low No. two heat exchanger lockout risk caused of evaporating temperature.Additionally, above-mentioned fluid reservoir can also play the air-cooled heat of regulation
In pump water chiller-heater unit, a heat exchanger and the effect of No. two heat exchanger volume couplings, keep unit operation stable.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art wind cold-heat pump water chiller-heater unit；
Fig. 2 is the structural representation of air-cooled heat pump water chiller-heater units in this utility model；
Fig. 3 is the first mode of operation schematic diagram of air-cooled heat pump water chiller-heater units in this utility model；
Fig. 4 is the second mode of operation schematic diagram of air-cooled heat pump water chiller-heater units in this utility model；
101-compressor, 102-air conditioning pump, 103-four-way change-over valve, number heat exchanger of 104-, No. bis-heat exchangers of 105-, 106-gas
Liquid/gas separator, 107-reservoir, 108-expansion valve, number three-way valve of 109-, No. bis-three-way valve of 110-, No. tri-three-way valve of 111-,
No. tetra-three-way valve of 112-, number check valve of 113-, No. bis-check valves of 114-, No. tri-check valves of 115-, No. tetra-check valves of 116-；201-
Compressor, 202-air conditioning pump, 203-four-way change-over valve, number heat exchanger of 204-, No. bis-heat exchangers of 205-, 206-gas-liquid separator,
207-reservoir, 208-expansion valve, number three-way valve of 209-, No. bis-three-way valve of 210-, No. tri-three-way valve of 211-, 212-No. tetra-three
Logical valve, number check valve of 213-, No. bis-check valves of 214-, No. tri-check valves of 215-, No. tetra-check valves of 216-, 217-fluid reservoir.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is described in further detail by detailed description of the invention:
Shown in Fig. 2, air-cooled heat pump water chiller-heater units include compressor 201,203, heat exchanger 204 of four-way change-over valve,
No. two heat exchangers 205, gas-liquid separator 206, reservoir 207, expansion valve 208 and four three-way valve 209,210,211,
212.Wherein, the air vent of compressor 201 is connected on the public port of four-way change-over valve 203 (in such as Fig. 2 by pipeline
D port)；One commutation port (the E port in such as Fig. 2) of four-way change-over valve 203 is by pipeline and a heat exchange
One coolant of device 204 is imported and exported and is connected, another commutation port (the S port in such as Fig. 2) of four-way change-over valve 203
Being connected with the coolant import of gas-liquid separator 206 by pipeline, four-way change-over valve 203 also has a commutation port (such as Fig. 2
In C port) import and export with coolant of No. two heat exchangers 205 and to be 4. connected；Another coolant of a number heat exchanger 204 enters
Outlet is connected on first port of a three-way valve 209, and second port of a three-way valve 209 is connected to by pipeline
On first port of No. two three-way valve 210, second port of No. two three-way valve 210 passes through pipeline and No. three three-way valve 211
First port connect, second port of No. three three-way valve 211 passes through pipeline and another coolant of No. two heat exchangers 205
Import and export and 3. connect；3rd port of No. three three-way valve 211 is connected to first port of No. four three-way valve 212 by pipeline
On, second port of No. four three-way valve 212 is connected by the 3rd port of pipeline and a three-way valve 209, No. four threeways
3rd port of valve 212 is connected with the coolant import of reservoir 207 by pipeline, and the refrigerant exit of reservoir 207 is by pipe
Road is connected with the coolant import of expansion valve 208, and the refrigerant exit of expansion valve 208 passes through pipeline and the 3rd of No. two three-way valve 210 the
Individual port connects；The refrigerant exit of gas-liquid separator 206 is connected with the gas returning port of compressor 201；A three-way valve 209 with
A number check valve 213 is set on the connecting line between No. two three-way valve 210, and the circulating direction of a check valve is by No. two three
Logical valve 210 points to a three-way valve 209；Arrange on connecting line between No. two three-way valve 210 and No. three three-way valve 211
No. two check valves 214, and the circulating direction of No. two check valves points to No. three three-way valve 211 by No. two three-way valve 210；At No. three three
On logical connecting line between valve 211 and No. four three-way valve 212, No. three check valves 215, and the circulation side of No. three check valves are set
No. four three-way valve 212 are pointed to by No. three three-way valve 211；Connection between No. four three-way valve 212 and a three-way valve 209
No. four check valves 216 are set on pipeline, and the circulating direction of No. four check valves is pointed to No. four three-way valve 212 by a three-way valve 209；
1. the mouth of No. two heat exchangers 205 is also associated with an air-conditioning water return pipeline, the 2. mouth of No. two heat exchangers 205 is also connected with
There is an air-conditioner water outlet pipeline, air-conditioning water return pipeline is provided with air conditioning pump 202；At No. three three-way valve 211 and No. two heat exchangers
Connecting line between 205 is provided with fluid reservoir 217.During hot water preparing, fluid reservoir 217 plays storage condensed liquid
Effect, when Defrost operation, fluid reservoir 217 is by No. two heat exchanger 205 releasing liquid draw heats.Additionally, fluid reservoir
217 also have regulation unit refrigerant charge, guarantee system run all right and store the effect of energy.
Fluid reservoir 217 is serially connected on the connecting line between No. three three-way valve 211 and No. two heat exchangers 205.
Fluid reservoir 217 can have multiple mounting modes according to the difference using function: such as can use single tube and fluid reservoir 217
The version of internal connection or the multitube version that connects internal with fluid reservoir 217, and connect with fluid reservoir 217 inside
Pipeline to be connected to fluid reservoir 217 by the optional position on fluid reservoir 217 internal.
Fluid reservoir 217 is arranged on the optional position up and down in connecting line axle center between No. three three-way valve and No. two heat exchangers.
As Fig. 3 shows the flow process that heats of air-cooled heat pump water chiller-heater units in this utility model, coolant trend particularly as follows:
Coolant is discharged by compressor 201, arrives the D port of four-way change-over valve 203 through pipeline, arrives two along D-C pipeline
4. the port of number heat exchanger 205, is then discharged by the 3. port of No. two heat exchangers 205, in pipeline arrives fluid reservoir 217,
Then discharged by fluid reservoir 217, arrive No. three three-way valve 211 through pipeline, and arrive along No. three check valve 215 place pipelines
Reach No. four three-way valve 212, arrive in reservoir 207 then along pipeline, then discharged by reservoir 207, through pipeline successively
Arrive expansion valve 208 and No. two three-way valve 210, arrive a heat exchanger 204 then along a check valve 213 place pipeline
In, then discharged by a heat exchanger 204, arrive the E port of four-way change-over valve 203 through pipeline, arrive along E-S pipeline
Reach in gas-liquid separator 206, then discharged by gas-liquid separator 206, return in compressor 201.
As Fig. 4 shows the defrosting flow process of air-cooled heat pump water chiller-heater units in this utility model, coolant trend particularly as follows:
Coolant is discharged by compressor 201, arrives the D port of four-way change-over valve 203 through pipeline, arrives one along D-E pipeline
Number heat exchanger 204, is then discharged by a heat exchanger 204, arrives a three-way valve 209 along pipeline, unidirectional further along No. four
Valve 216 place pipeline arrives No. four three-way valve 212, arrives in reservoir 207 then along pipeline, then by reservoir 207 row
Go out, arrive expansion valve 208 and No. two three-way valve 210 successively through pipeline, further along No. two check valve 214 place pipelines successively
Arrive No. three three-way valve 211 and fluid reservoir 217, then discharged by fluid reservoir 217, arrive No. two heat exchangers 205 through pipeline
3. port, then by No. two heat exchangers 205 4. port discharge, through pipeline arrive four-way change-over valve 203 C port,
Arrive in gas-liquid separator 206 along C-S pipeline, then discharged by gas-liquid separator 206, return in compressor 201.
Certainly, only preferred embodiment of the present utility model described above, this utility model is not limited to enumerate above-described embodiment,
It should be noted that, any those of ordinary skill in the art are under the teaching of this specification, made all equivalent substitute,
Substantially variant, within all falling within the essential scope of this specification, ought to be by protection of the present utility model.
Claims (4)
1. air-cooled heat pump water chiller-heater units, divides including compressor, four-way change-over valve, heat exchanger, No. two heat exchangers, gas-liquids
From device, reservoir, expansion valve, a three-way valve, No. two three-way valve, No. three three-way valve and No. four three-way valve；Wherein, compression
The air vent of machine is connected on the public port of four-way change-over valve by pipeline；One commutation port of four-way change-over valve passes through pipeline
Importing and exporting with a coolant of a heat exchanger and be connected, another commutation port of four-way change-over valve is by pipeline and gas-liquid separator
Coolant import connect, four-way change-over valve also has a coolant of commutation port and No. two heat exchangers to import and export connection；No. one
Another coolant of heat exchanger is imported and exported and is connected on first port of a three-way valve by pipeline, the second of a three-way valve
Individual port is connected on first port of No. two three-way valve by pipeline, and second port of No. two three-way valve passes through pipeline and three
First port of number three-way valve connects, and second port of No. three three-way valve passes through pipeline and another coolant of No. two heat exchangers
Import and export and connect；3rd port of No. three three-way valve is connected on first port of No. four three-way valve by pipeline, No. four three
Second port of logical valve is connected by the 3rd port of pipeline and a three-way valve, and the 3rd port of No. four three-way valve passes through
Pipeline is connected with the coolant import of reservoir, and the refrigerant exit of reservoir is connected with the coolant import of expansion valve by pipeline, expands
The refrigerant exit of valve is connected by the 3rd port of pipeline and No. two three-way valve；The refrigerant exit of gas-liquid separator and compressor
Gas returning port connects；A number check valve, and a check valve are set on the connecting line between a three-way valve and No. two three-way valve
Circulating direction pointed to three-way valve by No. two three-way valve；Set on connecting line between No. two three-way valve and No. three three-way valve
Put No. two check valves, and the circulating direction of No. two check valves is pointed to No. three three-way valve by No. two three-way valve；At No. three three-way valve and four
No. three check valves are set on the connecting line between number three-way valve, and the circulating direction of No. three check valves is pointed to four by No. three three-way valve
Number three-way valve；No. four check valves are set on the connecting line between No. four three-way valve and a three-way valve, and No. four check valves
Circulating direction is pointed to No. four three-way valve by a three-way valve；No. two heat exchangers are also associated with an air-conditioner water outlet pipeline and one
Air-conditioning water return pipeline, is provided with air conditioning pump on air-conditioning water return pipeline；It is characterized in that, No. three three-way valve and No. two heat exchangers it
Between connecting line be provided with fluid reservoir.
Air-cooled heat pump water chiller-heater units the most according to claim 1, it is characterised in that fluid reservoir is serially connected in No. three three-way valve
And on the connecting line between No. two heat exchangers；This fluid reservoir uses the internal version connected of single tube and fluid reservoir or uses many
Manage the version that connects internal with fluid reservoir.
Air-cooled heat pump water chiller-heater units the most according to claim 2, it is characterised in that the pipeline that connect internal with fluid reservoir
It is connected to inside fluid reservoir by the optional position on fluid reservoir.
Air-cooled heat pump water chiller-heater units the most according to claim 2, it is characterised in that fluid reservoir is arranged on No. three three-way valve
And the optional position up and down in connecting line axle center between No. two heat exchangers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620104785.1U CN205505488U (en) | 2016-02-02 | 2016-02-02 | Air -cooled heat pump chiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620104785.1U CN205505488U (en) | 2016-02-02 | 2016-02-02 | Air -cooled heat pump chiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205505488U true CN205505488U (en) | 2016-08-24 |
Family
ID=56724988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620104785.1U Expired - Fee Related CN205505488U (en) | 2016-02-02 | 2016-02-02 | Air -cooled heat pump chiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205505488U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111435045A (en) * | 2019-01-14 | 2020-07-21 | 青岛海尔空调电子有限公司 | Air conditioner heat pump system |
| CN111735263A (en) * | 2020-07-23 | 2020-10-02 | 珠海格力电器股份有限公司 | Refrigeration system, storage room and temperature adjusting method thereof |
-
2016
- 2016-02-02 CN CN201620104785.1U patent/CN205505488U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111435045A (en) * | 2019-01-14 | 2020-07-21 | 青岛海尔空调电子有限公司 | Air conditioner heat pump system |
| CN111735263A (en) * | 2020-07-23 | 2020-10-02 | 珠海格力电器股份有限公司 | Refrigeration system, storage room and temperature adjusting method thereof |
| CN111735263B (en) * | 2020-07-23 | 2024-02-13 | 珠海格力电器股份有限公司 | Refrigerating system, storage and temperature adjusting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Han Jun Inventor before: Han Shaofang |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161201 Address after: 266400 Dongfeng Road, Huangdao District, Shandong, Qingdao, China Patentee after: Han Jun Address before: 266400 Dongfeng Road, Huangdao District, Shandong, Qingdao, China Patentee before: Han Shaofang |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20170202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |