CN208012144U - Incomplete chiller-heat pump system among second throttle - Google Patents
Incomplete chiller-heat pump system among second throttle Download PDFInfo
- Publication number
- CN208012144U CN208012144U CN201820133658.3U CN201820133658U CN208012144U CN 208012144 U CN208012144 U CN 208012144U CN 201820133658 U CN201820133658 U CN 201820133658U CN 208012144 U CN208012144 U CN 208012144U
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- China
- Prior art keywords
- valve
- heat exchanger
- throttle
- compressor
- interface
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- 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.)
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Abstract
The utility model discloses incomplete chiller-heat pump systems among a kind of second throttle, it is desirable to provide it is a kind of to improve winter heat source temperature it is relatively low when heat pump system efficiency, reduce the usage amount of unit, reduce the heat pump system of the initial cost cost of system.In the system, compressor air-discharging end connects four-way reversing valve first interface, compressor air suction end connects four-way reversing valve third interface, it is connect with four-way reversing valve second interface after first indoor heat exchanger and the second indoor heat exchanger parallel connection, second indoor heat exchanger is connect through third throttle valve with intercooler inlet, intercooler leakage fluid dram is connect through second throttle with the second valve inlet, first indoor heat exchanger is connect through first throttle valve with the first valve export, first valve inlet is connect through outdoor heat exchanger with the 4th interface of four-way reversing valve with after the second valve export parallel connection.The system reduces the usage amounts of unit, reduce the energy consumption of system.
Description
Technical field
The utility model is related to technical field of heat pumps, are supplied using single stage compress cycle more specifically, being related to a kind of summer
Cold and winter can realize the heat pump system of incomplete cooling cycle among second throttle.
Background technology
With the continuous improvement of environmental requirement, air source heat pump is being obtained widely due to energy-saving and environment-friendly technical characterstic
Using.When single stage compress circulates in heat supply in winter, due to compression ratio height, system effectiveness is relatively low, using being subject to certain restrictions.For
Raising air source heat pump system efficiency, and can realize heating under -25 DEG C of outdoor temperatures, using two-stage compression cycle.
But when realizing Winter heat supply using Two-stage Compression, if according to disclosure satisfy that -25 DEG C of outdoor temperatures are negative for warm heat
Lotus needs carry out system design, and the semen donors of system configuration are far longer than the refrigeration duty of building when summer cooling, are transported in summer
It is idle that more than half unit is had when row in system, forms waste.
Utility model content
The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and provide among a kind of second throttle
Incomplete chiller-heat pump system, to realize cooling in summer and heat supply in winter, to improve winter heat source temperature it is relatively low when heat pump system
The efficiency of system reduces the usage amount of unit, reduces the initial cost cost of system.
Technical solution is used by realize the purpose of this utility model：
A kind of incomplete chiller-heat pump system in second throttle centre, system is by compressor, four-way reversing valve, outdoor heat exchange
Device, first throttle valve, second throttle, third throttle valve, the first indoor heat exchanger, the second indoor heat exchanger, intercooler,
First valve, the second valve composition.Compressor air-discharging end connects four-way reversing valve first interface, and compressor air suction end connects four-way
It is connect with four-way reversing valve second interface after reversal valve third interface, the first indoor heat exchanger and the second indoor heat exchanger parallel connection,
Second indoor heat exchanger is connect through third throttle valve with intercooler inlet, and intercooler leakage fluid dram is through second throttle
It is connect with the second valve inlet, the first indoor heat exchanger is connect through first throttle valve with the first valve export, the first valve inlet
It is connect with the 4th interface of four-way reversing valve through outdoor heat exchanger with after the second valve export parallel connection.
When summer cooling is run, working medium is commutated from after compressor compresses boosting by four-way reversing valve first interface, four-way
The 4th interface of valve, which enters, condenses heat dissipation in outdoor heat exchanger, enter first throttle valve throttling through the first valve after working medium condensation heat dissipation
After decompression, into evaporation endothermic in the first indoor heat exchanger, refrigeration phenomenon is generated, then through four-way reversing valve second interface, four-way
Reversal valve third interface returns in compressor, completes for SAPMAC method.
When heat supply in winter is run, working medium is from after compressor compresses boosting through four-way reversing valve first interface, four-way reversing valve
Second interface enters the second indoor heat exchanger and condenses heat release, generates heating phenomenon, and working medium is condensed in the second indoor heat exchanger to radiate
Afterwards by third throttle valve first time reducing pressure by regulating flow, the flashed vapour after throttling returns to compressor tonifying Qi by intercooler, section
Liquid after stream enters outdoor heat exchanger evaporation endothermic after second of reducing pressure by regulating flow of second throttle using the second valve,
Through the 4th interface of four-way reversing valve, four-way reversing valve third interface returns to compressor, completes heating circulation.
First valve and the second valve are check valve or solenoid valve.
The outdoor heat exchanger and indoor heat exchanger are air-cooled heat exchanger or water-cooled heat exchanger.
The compressor compresses machine is screw compressor, rotor compressor, helical-lobe compressor or piston compressor.
Compared with prior art, the utility model has the beneficial effects that：
1, the heat pump system of the utility model, in summer cooling, the semen donors of single stage compress cycle can meet building
Refrigeration duty, when heating in winter, the heating load of Two-stage Compression not exclusively cooling can meet building among second throttle
Thermic load can reduce the usage amount of unit, reduce the energy consumption of system, reduce the initial cost cost of system, reduce the summer
Season unit vacancy rate.
2, when outdoor temperature is relatively low, system effectiveness is high：Outdoor temperature is relatively low in winter for the heat pump system of the utility model
When, using incomplete chiller-heat pump system among the second throttle of double indoor heat exchangers, compressor pressure ratios are small, system effectiveness
It is high.
3, system configuration and installation are reasonable：Using double indoor heat exchangers, the heat exchanger for being installed on indoor higher position is used for
Summer cooling, the heat exchanger for being installed on indoor lower position are used for heat supply in winter, form better air current composition.
4, simple system：Tthe utility model system is simple in structure, can be selected in summer cooling, heat supply in winter efficient
Endless form.
Description of the drawings
Fig. 1 show among the utility model second throttle the not exclusively schematic diagram of cooling cycle heat pump system；
Fig. 2 show the interface diagram of four-way reversing valve.
In figure：1. compressor, 2. four-way reversing valves, 2-1. four-way reversing valve first interfaces, 2-2. four-way reversing valves second
Interface, 2-3. four-way reversing valve third interfaces, the 4th interface of 2-4. four-way reversing valves, 3. outdoor heat exchangers, the first valves of 4-1.,
The second valves of 4-2., 5-1. first throttle valves, 5-2. second throttle, 5-3. third throttle valves, 6. intercoolers, 7. first
Indoor heat exchanger, 8. second indoor heat exchangers.
Specific implementation mode
The utility model is described further below in conjunction with the drawings and specific embodiments.
The not exclusively schematic diagram of chiller-heat pump system is as shown in Figure 1, include compressor among the utility model second throttle
1, four-way reversing valve 2, outdoor heat exchanger 3, the first valve 4-1, the second valve 4-2, first throttle valve 5-1, second throttle 5-
2, third throttle valve 5-3, intercooler 6, the first indoor heat exchanger 7 and the second indoor heat exchanger 8, the row of the compressor 1
Gas end is connect with the first interface 2-1 of the four-way reversing valve 2, the suction end of the compressor 1 and the four-way reversing valve 2
The 2-3 connections of third interface, the 4th interface 2-4 of the four-way reversing valve 2 is by the outdoor heat exchanger 3 respectively with described first
Valve 4-1 imports and the outlets the second valve 4-2 connection, the outlet of the first valve 4-1 by the first throttle valve 5-1 with
The first interface of first indoor heat exchanger 7 connects, and the import of the second valve 4-2 passes through the second throttle 5-2
Connect with the liquid outlet of the intercooler 6, the inlet of the intercooler 6 by the third throttle valve 5-3 with
The first interface of second indoor heat exchanger 8 connects, the tonifying Qi of the exhaust outlet of the intercooler 6 and the compressor 1
Mouthful connection, after the second interface of first indoor heat exchanger 7 is in parallel with the second interface of second indoor heat exchanger 8 with institute
State the second interface 2-2 connections of four-way reversing valve 2.
The interface diagram of four-way reversing valve is as shown in Fig. 2, in heating condition, four-way reversing valve first interface 2-1 and four
Logical reversal valve second interface 2-2 is communicated, and four-way reversing valve third interface 2-3 is communicated with the 4th interface 2-4 of four-way reversing valve；It is making
Cold operating mode, four-way reversing valve first interface 2-1 are communicated with the 4th interface 2-4 of four-way reversing valve, four-way reversing valve second interface 2-2
It is communicated with the four-way reversing valve third interface 2-3.
It is single stage compress when summer cooling is run, working medium is commutated after the compression boosting of the compressor 1 by the four-way
Valve 2, which enters, condenses heat dissipation in the outdoor heat exchanger 3, through the first valve 4-1, first throttle valve 5- after working medium condensation heat dissipation
Enter evaporation endothermic in first indoor heat exchanger 7 after 1, generate refrigeration phenomenon, then returns to through the four-way reversing valve 2 described
In compressor 1, complete for SAPMAC method.
It is compressed through the compressor 1 for not exclusively cooling Two-stage Compression, working medium among second throttle when heat supply in winter is run
Enter second indoor heat exchanger 8 through the four-way reversing valve 2 after boosting and condense heat release, generates heating phenomenon, working medium is the
Enter the intercooler 6, the sudden strain of a muscle after throttling using the third throttle valve 5-3 after the condensation heat release of two indoor heat exchangers 8
Steam returns to 1 tonifying Qi of the compressor by the intercooler 6, and the liquid after throttling is cold by the intercooler 6
But cool down, flow through the second throttle 5-2, the second valve 4-2 and enter 3 evaporation endothermic of the outdoor heat exchanger, through described four
Logical reversal valve 2 returns to compressor 1, completes heating circulation.
In the heat pump system of the utility model, the first valve 4-1 and the second valve 4-2 are check valve or solenoid valve.
First indoor heat exchanger 7 is installed on indoor high position；Second indoor heat exchanger 8 is installed on indoor low level
It sets, in favor of forming better air current composition.
The compressor 1 is screw compressor, rotor compressor, helical-lobe compressor or piston compressor.
The outdoor heat exchanger 3, the first indoor heat exchanger 7 and the second indoor heat exchanger 8 are air-cooled heat exchanger or water cooling
Formula heat exchanger.
The intercooler 6 is mostly used fluorine intercooler.
The first throttle valve 5-1, the second throttle 5-2, the third throttle valve 5-3 are electric expansion valve, heat
Power expansion valve, capillary or throttle orifice plate apparatus.
The four-way reversing valve 2 can be replaced by multiple solenoid valves or be replaced by multiple triple valves.
Among the second throttle of the double indoor heat exchangers of the band of the utility model not exclusively chiller-heat pump system for need from
It is good solution that lower temperature, which obtains when heat is conveyed to higher temperature,.Heat is inhaled by heat pump system from low-temperature heat source
Heat is transferred heat to by intercooler and indoor heat exchanger in hot environment, and part working medium is returned from intercooler
Second vapor injection is realized to compressor.Not exclusively chiller-heat pump system structure letter among the second throttle of the double indoor heat exchangers of this band
Singly and the warm summer cooling of the confession under winter low temperature environment can be met.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (5)
1. incomplete chiller-heat pump system among a kind of second throttle, which is characterized in that including compressor, four-way reversing valve, room
External heat exchanger, the first valve, the second valve, first throttle valve, second throttle, third throttle valve, intercooler, the first Room
Interior heat exchanger and the second indoor heat exchanger, the exhaust end of the compressor are connect with the first interface of the four-way reversing valve, institute
The suction end for stating compressor is connect with the four-way reversing valve third interface, and the 4th interface of the four-way reversing valve is described in
Outdoor heat exchanger is connect with first valve inlet and the second valve export respectively, and the outlet of first valve is described in
First throttle valve is connect with the first interface of first indoor heat exchanger, and the import of second valve is saved by described second
Stream valve is connect with the liquid outlet of the intercooler, and the inlet of the intercooler passes through the third throttle valve and institute
The first interface connection of the second indoor heat exchanger is stated, the exhaust outlet of the intercooler and the gas supplementing opening of the compressor connect
Connect, after the second interface of first indoor heat exchanger is in parallel with the second interface of the second indoor heat exchanger with the four-way
The second interface of reversal valve connects；
When summer cooling is run, working medium is changed by the four-way reversing valve into the outdoor after compressor compresses boosting
Heat dissipation is condensed in hot device, enters the described first indoor heat exchange after working medium condensation heat dissipation after first valve, first throttle valve
Evaporation endothermic in device generates refrigeration phenomenon, then is returned in the compressor through the four-way reversing valve, completes for SAPMAC method；
When heat supply in winter is run, working medium enters through the four-way reversing valve in the second Room after compressor compresses boosting
Heat exchanger condenses heat release, generates heating phenomenon, and working medium throttles after the second indoor heat exchanger condenses heat release using the third
Valve enters the intercooler, and the flashed vapour after throttling returns to the compressor tonifying Qi by the intercooler；Throttling
Liquid afterwards cools by the intercooler, flows through the second throttle, the second valve is changed into the outdoor
Hot device evaporation endothermic returns to compressor through the four-way reversing valve, completes heating circulation.
2. incomplete chiller-heat pump system among second throttle according to claim 1, which is characterized in that first valve
Door and the second valve are check valve or solenoid valve.
3. incomplete chiller-heat pump system among second throttle according to claim 1, which is characterized in that first Room
Interior heat exchanger is installed on indoor high position；Second indoor heat exchanger is installed on indoor lower position.
4. incomplete chiller-heat pump system among second throttle according to claim 1, which is characterized in that the compressor
For screw compressor, rotor compressor, helical-lobe compressor or piston compressor.
5. incomplete chiller-heat pump system among second throttle according to claim 1, which is characterized in that the outdoor is changed
Hot device, the first indoor heat exchanger and the second indoor heat exchanger are air-cooled heat exchanger or water-cooled heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820133658.3U CN208012144U (en) | 2018-01-25 | 2018-01-25 | Incomplete chiller-heat pump system among second throttle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820133658.3U CN208012144U (en) | 2018-01-25 | 2018-01-25 | Incomplete chiller-heat pump system among second throttle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208012144U true CN208012144U (en) | 2018-10-26 |
Family
ID=63883330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820133658.3U Expired - Fee Related CN208012144U (en) | 2018-01-25 | 2018-01-25 | Incomplete chiller-heat pump system among second throttle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208012144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088110A (en) * | 2018-01-25 | 2018-05-29 | 天津商业大学 | Incomplete chiller-heat pump system among second throttle |
-
2018
- 2018-01-25 CN CN201820133658.3U patent/CN208012144U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088110A (en) * | 2018-01-25 | 2018-05-29 | 天津商业大学 | Incomplete chiller-heat pump system among second throttle |
| CN108088110B (en) * | 2018-01-25 | 2024-04-05 | 天津商业大学 | Secondary throttling middle incomplete cooling heat pump system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20190125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |