CN203837327U - Wind-water double-source heat pump cold/hot water unit - Google Patents
Wind-water double-source heat pump cold/hot water unit Download PDFInfo
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- CN203837327U CN203837327U CN201420288036.XU CN201420288036U CN203837327U CN 203837327 U CN203837327 U CN 203837327U CN 201420288036 U CN201420288036 U CN 201420288036U CN 203837327 U CN203837327 U CN 203837327U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 230000008676 import Effects 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a wind-water double-source heat pump cold/hot water unit. The wind-water double-source heat pump cold/hot water unit comprises a four-way valve; one interface of the four-way valve is connected with a shell and tube heat exchanger and an economizer; the other three interfaces of the four-way valve are connected with a gas-liquid separator, a fin type heat exchanger and a plate type heat exchanger respectively; the gas-liquid separator is connected with the inlet of a compressor; the outlet of the compressor is connected with the plate type heat exchanger; the shell and tube heat exchanger is connected with the economizer; the economizer is connected with the fin type heat exchanger, the shell and tube heat exchanger and the compressor; the plate type heat exchanger is connected with an external water source; the shell and tube heat exchanger is connected with the external water source; the fin type heat exchanger is connected with a fan. Compared with the prior art, the wind-water double-source heat pump cold/hot water unit has the advantages and effects that the cold and hot water demands of a user can be met at any time by using an air source and a water source, namely, automatic switching among the three modes of an air source heat pump mode, an air cooling cold water mode and a water source heat pump mode can be realized according to cold and hot water demands of a user, three units of different functions are integrated with a multifunctional unit, and refrigeration and heating can be performed by using an air source and a water source at any time according to the cold and hot water demands of the user all year round.
Description
Technical field
The utility model relates to a kind of geomantic omen double-source heat pump hot and cold water unit.
Background technology
Current heat pump is on the market divided into the wind-cooling type heat pump of water source type heat pump, single hot wind-cooling type heat pump and the winter heating of freezing summer.These three kinds of heat pumps all can not efficiently meet the continuous variation requirement of industrial manufacture process to cold-peace heat separately, and at traditional Surface Processing Industry, need refrigeration time air-cooled or water-cooled handpiece Water Chilling Units of single-cooling type that just need to come into operation, air-source or water source type source pump just need to come into operation when need to going out to be greater than 85 degree hot water, therefore need to possess two kinds of units simultaneously and could meet the demand of producing, therefore improved production cost and maintenance cost.
In Surface Processing Industry, surface treatment comprises the surface treatments such as section bar oxidation, hardening oxidation, electrophoresis, zinc-plated, acid coppering, zinc-plated, hard chrome plating, decorative chromium plating, anodic oxidation.These treatment process all need to provide high-temp water source, what existing source pump provided go out hot water temperature is essentially 55 DEG C of left and right, do not reach the requirement of Surface Processing Industry high-temperature-hot-water, and the water temperature of water outlet is unstable at all, easily causes oxidative quality unstable.
Summary of the invention
The purpose of this utility model is to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, and can realize the geomantic omen double-source heat pump hot and cold water unit that can utilize at any time air-source and water source to realize refrigeration and heat-production functions.
The technical scheme in the invention for solving the above technical problem is:
A kind of geomantic omen double-source heat pump hot and cold water unit, it is characterized in that: comprise cross valve, one of them interface of cross valve connects case tube heat exchanger and economizer, its excess-three interface of cross valve connects respectively gas-liquid separator, finned heat exchanger, plate type heat exchanger, gas-liquid separator connects the import of compressor, the outlet connecting plate type heat exchanger of compressor, case tube heat exchanger connects economizer, economizer connects finned heat exchanger, case tube heat exchanger and compressor, plate type heat exchanger connects external water source, case tube heat exchanger connects external water source, finned heat exchanger is connected with blower fan.
As preferably, cross valve is connected to economizer by electric expansion valve, electric expansion valve can be according to the temperature and pressure sensor feedback nonstick system of control cryogen flow of geomantic omen double-source heat pump hot and cold water unit, makes high-temperature high-pressure refrigerant liquid throttling decrease temperature and pressure become the refrigerant liquid of low-temp low-pressure to enter the evaporimeter heat exchange of freezing.
A control method for geomantic omen double-source heat pump hot and cold water unit, is characterized in that: geomantic omen double-source heat pump hot and cold water unit switches in following three kinds of mode of operations according to hot and cold water demand,
1) when user only has hot water demand, start air source heat pump pattern, under this pattern, finned heat exchanger is as evaporator function, plate type heat exchanger is as condenser function, case tube heat exchanger becomes closed condition, the refrigerant gas of HTHP from compressor discharge laggard enter plate type heat exchanger, replaced by plate type heat exchanger and extraneous water, at this moment plate type heat exchanger water is out hot water, cold-producing medium is after plate type heat exchanger, flow to cross valve, flow to again economizer, cold-producing medium becomes the flow direction finned heat exchanger of low-temp low-pressure, blower fan is opened, flow to gas-liquid separator through cross valve again, finally get back to compressor, complete the circulation that heats of air source heat pump pattern,
2) when user only has cold water demand, start wind-cooled cold-water pattern, under this pattern, finned heat exchanger is as condenser function, case tube heat exchanger is as evaporator function, plate type heat exchanger becomes closed condition, the refrigerant gas of HTHP enters finned heat exchanger by cross valve swap-in from compressor is discharged, blower fan is opened, by finned heat exchanger and extraneous air displacement, cold-producing medium is after finned heat exchanger condenser, flow to economizer, cold-producing medium becomes the flow direction shell and tube evaporator of low-temp low-pressure, case tube heat exchanger and the displacement of extraneous water, what cement out is cold water, cold-producing medium flows to gas-liquid separator through cross valve again, finally get back to compressor, complete the kind of refrigeration cycle of wind-cooled cold-water pattern,
3) when user's hot and cold water all has demand, start Water Source Heat Pump Pattern, under this pattern, case tube heat exchanger is as evaporator function, plate type heat exchanger is as condenser function, finned heat exchanger becomes closed condition, the refrigerant gas of HTHP from compressor discharge laggard enter plate type heat exchanger, replaced by plate type heat exchanger and extraneous water, at this moment plate type heat exchanger 8 water is out hot water, cold-producing medium is after plate type heat exchanger condenser, flow to cross valve, the finned heat exchanger of flowing through, at this moment finned heat exchanger and blower fan are closed condition, flow to again economizer, cold-producing medium becomes the flow direction shell and tube evaporator of low-temp low-pressure, flow to gas-liquid separator through cross valve again, finally get back to compressor, complete the kind of refrigeration cycle of Water Source Heat Pump Pattern.
As preferably, under air source heat pump pattern, according to workload demand, the control mode of employing is as follows
1), in the time of real border Wen Du≤+ 10 DEG C, compressor raising frequency, increases flow system flow, improves refrigerating capacity, responds fast user's request;
2) in the time of Wen Du≤10 ,+2 DEG C≤real border DEG C, adopt Energy Saving Control, improve evaporating temperature, improve evaporating temperature by opening electric expansion valve; Blower fan raising frequency simultaneously, expands area of dissipation, reduces high-pressure, thereby reduces compressor horsepower.
3) in the time of real border Wen Du≤+ 2 DEG C, reduce compressor frequency, make water temperature keep constant, avoid high frequent start and stop simultaneously.
As preferably, under air source heat pump pattern pattern, according to workload demand, the control mode of employing is as follows:
1), in the time of real border Wen Du≤-10 DEG C, compressor raising frequency, increases flow system flow, improves heating capacity, responds fast user's request;
2), in the time of-10 DEG C≤real border Wen Du≤-2 DEG C, reduce power of fan and reach Energy Saving Control;
3) in the time of real border Wen Du≤-2 DEG C, reduce compressor frequency, make water temperature keep constant, avoid high frequent start and stop simultaneously.
As preferably, under Water Source Heat Pump Pattern pattern, automatically calculate user's hot-cool demand, regulate blower fan that system is at utmost operated under this pattern, reach energy-conservation object, hot-cool demand account form is as follows:
Cold water demand: L=T2/T1, hot water demand R=T4/T3,
Cold water demand L records nearest 3 times automatically, gets its mean value,
Hot water demand R records nearest 3 times automatically, gets its mean value,
When the mean value of the Ping Jun of cold water demand L Zhi≤hot water demand R, unit, taking hot water pattern as main, is now closed blower fan and is made system improve heating capacity,
When the mean value of the Ping Jun of cold water demand L Zhi≤hot water demand R, unit, taking cold water pattern as main, is now opened blower fan and is made system improve refrigerating capacity,
Wherein T1 is the cold water cooling time, and T2 is cold water downtime; T3 is that hot water heats the time, and T4 is hot water downtime.
The utility model compared with prior art, have the following advantages and effect: by described geomantic omen double-source heat pump hot and cold water unit, can realize and can utilize at any time air-source and water source to meet user's hot and cold water demand, can realize according to hot and cold water demand the automatic switchover of air source heat pump pattern, three kinds of patterns of wind-cooled cold-water pattern Water Source Heat Pump Pattern, three difference in functionality units be integrated into one multi-functional, annual realization can utilize air-source and water source to freeze, heat according to user's hot-cool demand at any time.Reduce equipment investment cost; this geomantic omen double-source heat pump unit can provide the high-temperature-hot-water that high-temperature-hot-water temperature reaches 85 DEG C after testing; reach the water temperature requirement of Surface Processing Industry; and every kind of pattern can the very fixed temperature incubation function that is set with; thereby make cold water, hot water water temperature keep constant; when pattern conversion, compressor is not shut down, and has avoided the frequent start-stop of compressor, shines into compressor and burns.
Brief description of the drawings
Fig. 1 is the structural representation of utility model embodiment.
Following three kinds of arrows in figure:
→
Indicate respectively the cold-producing medium direction of motion under air source heat pump pattern, wind-cooled cold-water pattern, Water Source Heat Pump Pattern.
Detailed description of the invention
Below in conjunction with accompanying drawing and by embodiment, utility model is described in further detail, following examples are explanations to utility model and utility model is not limited to following examples.
Referring to Fig. 1, the present embodiment geomantic omen double-source heat pump hot and cold water unit, comprises cross valve 9, and one of them interface of cross valve 9 connects case tube heat exchanger 6, and cross valve 9 is connected to economizer 7 by electric expansion valve 10.Its excess-three interface of cross valve 9 connects respectively gas-liquid separator 5, finned heat exchanger 3, plate type heat exchanger 8, gas-liquid separator 5 connects the import of compressor 4, the outlet connecting plate type heat exchanger 8 of compressor 4, case tube heat exchanger 8 connects economizer 7, economizer 7 connects finned heat exchanger 3, case tube heat exchanger 6 and compressor 4, plate type heat exchanger 8 connects external water source, and case tube heat exchanger 6 connects external water source, and finned heat exchanger 3 is connected with blower fan 2.
The control method of the present embodiment geomantic omen double-source heat pump hot and cold water unit, geomantic omen double-source heat pump hot and cold water unit switches in following three kinds of mode of operations according to hot water demand,
1) when user only has hot water demand, start air source heat pump pattern, under this pattern, finned heat exchanger 3 is as evaporator function, plate type heat exchanger 8 is as condenser function, 6 one-tenth closed conditions of case tube heat exchanger, the refrigerant gas of HTHP from compressor 4 discharge laggard enter plate type heat exchanger 8, replaced by plate type heat exchanger 8 and extraneous water, at this moment plate type heat exchanger 8 water is out hot water, cold-producing medium is after plate type heat exchanger 8, flow to cross valve 9, flow to again economizer 7, cold-producing medium becomes the flow direction finned heat exchanger 3 of low-temp low-pressure, blower fan 2 is opened, flow to gas-liquid separator 5 through cross valve 9 again, finally get back to compressor 4, complete the circulation that heats of air source heat pump pattern,
2) when user only has cold water demand, start wind-cooled cold-water pattern, under this pattern, finned heat exchanger 3 is as condenser function, case tube heat exchanger 6 is as evaporator function, 8 one-tenth closed conditions of plate type heat exchanger, the refrigerant gas of HTHP enters finned heat exchanger 3 by cross valve 9 swap-ins from compressor 4 is discharged, blower fan 2 is opened, by finned heat exchanger 3 and extraneous air displacement, cold-producing medium is after finned heat exchanger 3 condensers, flow to economizer 7, cold-producing medium becomes the flow direction shell and tube evaporator 6 of low-temp low-pressure, case tube heat exchanger 6 is replaced with extraneous water, what cement out is cold water, cold-producing medium flows to gas-liquid separator 5 through cross valve 9 again, finally get back to compressor 4, complete the kind of refrigeration cycle of wind-cooled cold-water pattern,
3) when user's hot and cold water all has demand, start Water Source Heat Pump Pattern, under this pattern, case tube heat exchanger 6 is as evaporator function, plate type heat exchanger 8 is as condenser function, 3 one-tenth closed conditions of finned heat exchanger, the refrigerant gas of HTHP from compressor 4 discharge laggard enter plate type heat exchanger 8, replaced by plate type heat exchanger 8 and extraneous water, at this moment plate type heat exchanger 8 water is out hot water, cold-producing medium is after plate type heat exchanger 8 condensers, flow to cross valve 9, the finned heat exchanger 3 of flowing through, at this moment finned heat exchanger 3 and blower fan 2 are closed condition, flow to again 7 economizers, cold-producing medium becomes the flow direction shell and tube evaporator 6 of low-temp low-pressure, flow 9 to gas-liquid separator 5 through cross valve again, finally get back to compressor 4, complete the kind of refrigeration cycle of Water Source Heat Pump Pattern.
In the present embodiment, under air source heat pump pattern, according to workload demand, the control mode of employing is as follows
1), in the time of real border Wen Du≤+ 10 DEG C, compressor raising frequency, increases flow system flow, improves refrigerating capacity, responds fast user's request;
2) in the time of Wen Du≤10 ,+2 DEG C≤real border DEG C, adopt Energy Saving Control, improve evaporating temperature, improve evaporating temperature by opening electric expansion valve; Blower fan raising frequency simultaneously, expands area of dissipation, reduces high-pressure, thereby reduces compressor horsepower.
3) in the time of real border Wen Du≤+ 2 DEG C, reduce compressor frequency, make water temperature keep constant, avoid high frequent start and stop simultaneously.
In the present embodiment, under air source heat pump pattern pattern, according to workload demand, the control mode of employing is as follows:
1), in the time of real border Wen Du≤-10 DEG C, compressor raising frequency, increases flow system flow, improves heating capacity, responds fast user's request;
2), in the time of-10 DEG C≤real border Wen Du≤-2 DEG C, reduce power of fan and reach Energy Saving Control;
3) in the time of real border Wen Du≤-2 DEG C, reduce compressor frequency, make water temperature keep constant, avoid high frequent start and stop simultaneously.
In the present embodiment, under Water Source Heat Pump Pattern pattern, automatically calculate user's hot-cool demand, regulate blower fan that system is at utmost operated under this pattern, reach energy-conservation object, hot-cool demand account form is as follows:
Cold water demand: L=T2/T1, hot water demand R=T4/T3,
Cold water demand L records nearest 3 times automatically, gets its mean value,
Hot water demand R records nearest 3 times automatically, gets its mean value,
When the mean value of the Ping Jun of cold water demand L Zhi≤hot water demand R, unit, taking hot water pattern as main, is now closed blower fan and is made system improve heating capacity,
When the mean value of the Ping Jun of cold water demand L Zhi≤hot water demand R, unit, taking cold water pattern as main, is now opened blower fan and is made system improve refrigerating capacity,
Wherein T1 is the cold water cooling time, and T2 is cold water downtime; T3 is that hot water heats the time, and T4 is hot water downtime.
Above content described in this description is only to the explanation of utility model example.Utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from the content of utility model description or surmount this scope as defined in the claims, all should belong to the protection domain of utility model.
Claims (2)
1. a geomantic omen double-source heat pump hot and cold water unit, it is characterized in that: comprise cross valve (9), one of them interface of cross valve (9) connects case tube heat exchanger (6) and economizer (7), its excess-three interface of cross valve (9) connects respectively gas-liquid separator (5), finned heat exchanger (3), plate type heat exchanger (8), gas-liquid separator (5) connects the import of compressor (4), the outlet connecting plate type heat exchanger (8) of compressor (4), case tube heat exchanger (8) connects economizer (7), economizer (7) connects finned heat exchanger (3), case tube heat exchanger (6) and compressor (4), plate type heat exchanger (8) connects external water source, case tube heat exchanger (6) connects external water source, finned heat exchanger (3) is connected with blower fan (2).
2. geomantic omen according to claim 1 double-source heat pump hot and cold water unit, is characterized in that: cross valve (9) is connected to economizer (7) by electric expansion valve (10).
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| CN201420288036.XU CN203837327U (en) | 2014-05-29 | 2014-05-29 | Wind-water double-source heat pump cold/hot water unit |
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| CN201420288036.XU CN203837327U (en) | 2014-05-29 | 2014-05-29 | Wind-water double-source heat pump cold/hot water unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006575A (en) * | 2014-05-29 | 2014-08-27 | 浙江青风环境股份有限公司 | Wind and hydraulic double-source heat pump water chilling and heat unit and control method thereof |
| CN104697243A (en) * | 2015-03-15 | 2015-06-10 | 北京中科华誉能源技术发展有限责任公司 | Integrated water source heat pump allowing quick refrigeration and heating switching and based on motor-driven three-way valves |
| CN107560253A (en) * | 2017-09-13 | 2018-01-09 | 浙江青风环境股份有限公司 | The energy-conservation defrosting system and its control method of a kind of air source heat pump |
-
2014
- 2014-05-29 CN CN201420288036.XU patent/CN203837327U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006575A (en) * | 2014-05-29 | 2014-08-27 | 浙江青风环境股份有限公司 | Wind and hydraulic double-source heat pump water chilling and heat unit and control method thereof |
| CN104006575B (en) * | 2014-05-29 | 2016-08-17 | 浙江青风环境股份有限公司 | A kind of wind-water double-source heat pump water chiller-heater unit and control method thereof |
| CN104697243A (en) * | 2015-03-15 | 2015-06-10 | 北京中科华誉能源技术发展有限责任公司 | Integrated water source heat pump allowing quick refrigeration and heating switching and based on motor-driven three-way valves |
| CN107560253A (en) * | 2017-09-13 | 2018-01-09 | 浙江青风环境股份有限公司 | The energy-conservation defrosting system and its control method of a kind of air source heat pump |
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