CN208012145U - Heat pump system with second vapor injection - Google Patents
Heat pump system with second vapor injection Download PDFInfo
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- CN208012145U CN208012145U CN201820133659.8U CN201820133659U CN208012145U CN 208012145 U CN208012145 U CN 208012145U CN 201820133659 U CN201820133659 U CN 201820133659U CN 208012145 U CN208012145 U CN 208012145U
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- heat exchanger
- way reversing
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Abstract
The utility model discloses a kind of heat pump systems with second vapor injection, 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 unit usage amount, reduce system initial cost heat pump.The exhaust end of compressor is connect with four-way reversing valve first interface, the suction end of compressor and the third interface of four-way reversing valve connect, the second interface of four-way reversing valve is connect with first throttle valve outlet and the first valve inlet respectively through outdoor heat exchanger, and the liquid outlet of intercooler is connect through the second valve with first throttle valve import；The exhaust outlet of intercooler and the gas supplementing opening of compressor connect, the second interface of indoor heat exchanger is connect with second throttle import and third throttling valve outlet respectively, second throttle outlet is connect with intercooler import, the import of third throttle valve is connect with the outlet of the first valve, and the first interface of indoor heat exchanger and the 4th interface of four-way reversing valve connect.
Description
Technical field
The utility model is related to a kind of heat pump units, more specifically, be related to a kind of summer using single stage compress cooling and
Winter can realize the heat pump system to heat with second vapor injection, to improve winter heat source temperature it is relatively low when heat pump system heating effect
Rate.
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, by providing a kind of band second vapor injection
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 efficiency,
Unit usage amount is reduced, system initial cost is reduced.
Technical solution is used by realize the purpose of this utility model：
A kind of heat pump system with second vapor injection, including compressor, four-way reversing valve, outdoor heat exchanger, indoor heat exchanger,
First throttle valve, second throttle, third throttle valve, the first valve, the second valve and intercooler, the row of the compressor
Gas end is connect with the four-way reversing valve first interface, the third interface of the suction end of the compressor and the four-way reversing valve
Connection, the second interface of the four-way reversing valve through the outdoor heat exchanger respectively with the first throttle valve outlet and the first valve
Door import connection, the liquid outlet of the intercooler are connect through second valve with the first throttle valve import；Institute
The exhaust outlet for stating intercooler is connect with the gas supplementing opening of the compressor, the second interface of the indoor heat exchanger respectively with institute
It states second throttle import to connect with third throttling valve outlet, the second throttle outlet connects with the intercooler import
Connect, the third throttle valve import is connect with the outlet of first valve, the first interface of the indoor heat exchanger with it is described
4th interface of four-way reversing valve connects；
When summer cooling is run, working medium enters the room from after compressor compresses boosting by the four-way reversing valve
Heat dissipation is condensed in external heat exchanger, after working medium condensation heat dissipation after first valve enters third throttle valve reducing pressure by regulating flow, into
Enter the indoor heat exchanger evaporation endothermic, generates refrigeration phenomenon, the compressor is returned to using the four-way reversing valve, complete
For SAPMAC method；
When heat supply in winter is run, working medium enters the interior from after compressor compresses boosting through the four-way reversing valve
Heat exchanger condensation heat dissipation, generate heating phenomenon, working medium condense in the indoor heat exchanger radiate after through the second throttle
Reducing pressure by regulating flow enters the intercooler, and the flashed vapour after throttling is mended by the intercooler into the compressor
Gas, the liquid after throttling enter the first throttle valve reducing pressure by regulating flow, reducing pressure by regulating flow through the intercooler and the second valve
Working medium afterwards returns to the compressor after evaporation endothermic in the outdoor heat exchanger by the four-way reversing valve, completes heating
Cycle.
Heat pump system of the another kind with second vapor injection, including compressor, four-way reversing valve, outdoor heat exchanger, indoor heat exchange
Device, intercooler, the first valve, the second valve, the 4th throttle valve and the 5th throttle valve, the exhaust end of the compressor and institute
The first interface connection of four-way reversing valve is stated, the suction end of the compressor is connect with the third interface of the four-way reversing valve,
The second interface of the four-way reversing valve through the outdoor heat exchanger respectively with it is described 5th throttling valve outlet and the first valve into
Mouth connection, the liquid outlet of the intercooler are connect through second valve with the 5th throttle valve import；In described
Between the exhaust outlet of cooler connect with the gas supplementing opening of the compressor, the second interface of the indoor heat exchanger passes through the described 4th
Throttle valve is connect with the import of the intercooler and the outlet of first valve respectively, and the first of the indoor heat exchanger
Interface is connect with the 4th interface of the four-way reversing valve；
When summer cooling is run, working medium enters the room from after compressor compresses boosting by the four-way reversing valve
Heat dissipation is condensed in external heat exchanger, enters the 4th throttle valve reducing pressure by regulating flow by first valve after working medium condensation heat dissipation
Afterwards, into the indoor heat exchanger evaporation endothermic, refrigeration phenomenon is generated, the compression is returned to using the four-way reversing valve
Machine is completed for SAPMAC method；
When heat supply in winter is run, working medium enters the interior from after compressor compresses boosting through the four-way reversing valve
Heat exchanger condensation heat dissipation, generate heating phenomenon, working medium condense in the indoor heat exchanger radiate after through the 4th throttle valve
Reducing pressure by regulating flow enters the intercooler, and the flashed vapour after throttling is mended by the intercooler into the compressor
Gas, liquid after throttling enter the 5th throttle valve reducing pressure by regulating flow through the intercooler and the second valve, after reducing pressure by regulating flow
Working medium returns to the compressor after evaporation endothermic in the outdoor heat exchanger by the four-way reversing valve, completes heating and follows
Ring.
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, 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 the two-stage compression cycle of second vapor injection, compressor pressure ratios are small, and system effectiveness is high.
2, when summer cooling, the semen donors of single stage compress cycle can meet the refrigeration duty of building, intermediate when heat supply in winter
The heating load of the Two-stage Compression of tonifying Qi can meet the thermic load of building, reduce the usage amount of unit, reduce the energy of system
Consumption, saves the initial cost cost of system.
3, 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 the heat pump system schematic diagram with second vapor injection that the utility model uses three throttle valves；
Fig. 2 show the heat pump system schematic diagram with second vapor injection that the utility model uses two throttle valves；
Fig. 3 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, the 4th throttle valves of 5-4., 5-5.
5th throttle valve, 6. intercoolers, 7. indoor heat exchangers.
Specific implementation mode
The utility model is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment 1
The utility model is using the heat pump system schematic diagram with second vapor injection of three throttle valves as shown in Figure 1, including pressure
Contracting machine 1, four-way reversing valve 2, outdoor heat exchanger 3, indoor heat exchanger 7, first throttle valve 5-1, second throttle 5-2, third section
Stream valve 5-3, the first valve 4-1, the second valve 4-2 and intercooler 6, the exhaust end of the compressor 1 are changed with the four-way
First interface 2-1 connections to valve 2, the suction end of the compressor 1 are connect with the third interface 2-3 of the four-way reversing valve 2,
The second interface 2-2 of the four-way reversing valve 2 through the outdoor heat exchanger 3 respectively with the outlets the first throttle valve 5-1 and the
One valve 4-1 imports connect, and the liquid outlet of the intercooler 6 is through the second valve 4-2 and the first throttle valve
The import of 5-1 connects；The exhaust outlet of the intercooler 6 is connect with the gas supplementing opening of the compressor 1, the indoor heat exchanger
7 second interface is connected with the second throttle 5-2 imports and the outlets third throttle valve 5-3 respectively, the second throttle
The outlets 5-2 are connect with 6 import of the intercooler, the outlet of the third throttle valve 5-3 imports and the first valve 4-1
Connection, the first interface of the indoor heat exchanger 7 are connect with the 4th interface 2-4 of the four-way reversing valve.
The interface diagram of four-way reversing valve as shown in figure 3, for cooling condition, four-way reversing valve first interface 2-1 with
Four-way reversing 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 right
In heating condition, four-way reversing valve first interface 2-1 is communicated with the 4th interface 2-4 of four-way reversing valve, and four-way reversing valve second connects
Mouth 2-2 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 from 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, enter third section by the first valve 4-1 after working medium condensation heat dissipation
After flowing valve 5-3 reducing pressure by regulating flow, into 7 evaporation endothermic of the indoor heat exchanger, refrigeration phenomenon is generated, is commutated using the four-way
Valve 2 returns to the compressor 1, completes for SAPMAC method.
It is the Two-stage Compression with second vapor injection when heat supply in winter is run, working medium is from after the compression boosting of the compressor 1 through institute
It states four-way reversing valve 2 and enters the indoor heat exchanger 7 condensation heat dissipation, generate heating phenomenon, working medium is in the indoor heat exchanger 7
Enter the intercooler 6 through the second throttle 5-2 reducing pressure by regulating flow after condensation heat dissipation, the flashed vapour after throttling passes through institute
State intercooler 6 and enter 1 tonifying Qi of compressor, liquid after throttling through the intercooler 6 and the second valve 4-2 into
Enter the first throttle valve 5-1 reducing pressure by regulating flow, the working medium after reducing pressure by regulating flow in the outdoor heat exchanger 3 after evaporation endothermic by
The four-way reversing valve 2 returns to the compressor, completes heating circulation.
Embodiment 2
The utility model is using the heat pump system schematic diagram with second vapor injection of two throttle valves as shown in Fig. 2, including pressure
Contracting machine 1, four-way reversing valve 2, outdoor heat exchanger 3, indoor heat exchanger 7, intercooler 6, the first valve 4-1, the second valve 4-
2, the 4th throttle valve 5-4 and the 5th throttle valve 5-5, the first interface of the exhaust end of the compressor 1 and the four-way reversing valve 2
2-1 connections, the suction end of the compressor 1 are connect with the third interface 2-3 of the four-way reversing valve 2, the four-way reversing valve 2
Second interface 2-2 through the outdoor heat exchanger 3 respectively with the 5th throttle valve 5-5 outlet and the first valve 4-1 imports company
It connects, the liquid outlet of the intercooler 6 is connect through the second valve 4-2 with the 5th throttle valve 5-5 imports；It is described
The exhaust outlet of intercooler 6 is connect with the gas supplementing opening of the compressor 1, and the second interface of the indoor heat exchanger 7 passes through institute
It states the 4th throttle valve 5-4 to connect with the import of the intercooler 6 and the outlet of the first valve 4-1 respectively, the room
The first interface of interior heat exchanger 7 is connect with the 4th interface 2-4 of the four-way reversing valve 2.
The interface diagram of four-way reversing valve as shown in figure 3, for cooling condition, four-way reversing valve first interface 2-1 with
Four-way reversing 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 right
In heating condition, four-way reversing valve first interface 2-1 is communicated with the 4th interface 2-4 of four-way reversing valve, and four-way reversing valve second connects
Mouth 2-2 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 from 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, enter described the by the first valve 4-1 after working medium condensation heat dissipation
After four throttle valve 5-4 reducing pressure by regulating flow, into 7 evaporation endothermic of the indoor heat exchanger, refrigeration phenomenon is generated, using the four-way
Reversal valve 2 returns to the compressor 1, completes for SAPMAC method；
It is the Two-stage Compression with second vapor injection when heat supply in winter is run, working medium is from after the compression boosting of the compressor 1 through institute
It states four-way reversing valve 2 and enters the indoor heat exchanger 7 condensation heat dissipation, generate heating phenomenon, working medium is in the indoor heat exchanger 7
Enter the intercooler 6 through the 4th throttle valve 5-4 reducing pressure by regulating flow after condensation heat dissipation, the flashed vapour after throttling passes through institute
State intercooler 6 and enter 1 tonifying Qi of compressor, liquid after throttling through the intercooler 6 and the second valve 4-2 into
Enter the 5th throttle valve 5-5 reducing pressure by regulating flow, the working medium after reducing pressure by regulating flow is in the outdoor heat exchanger 3 by described after evaporation endothermic
Four-way reversing valve 2 returns to the compressor 1, completes heating circulation.
In above-mentioned two embodiment, the first valve 4-1 and the second valve 4-2 are check valve or solenoid valve.
The outdoor heat exchanger 3 and indoor heat exchanger 7 are air-cooled heat exchanger or water-cooled heat exchanger.
The compressor 1 is screw compressor, rotor compressor, helical-lobe compressor or piston compressor.
The intercooler 6 is mostly used fluorine intercooler.
The first throttle valve, the second throttle, the third throttle valve, the 4th throttle valve and the 5th throttle valve are
Electric expansion valve, heating power expansion valve, capillary or throttle orifice plate apparatus.
The four-way reversing valve can be replaced by multiple solenoid valves or be replaced by multiple triple valves.
The heat pump system of the utility model is when outdoor temperature is relatively low in winter, using the two-stage compression cycle of second vapor injection,
Compressor pressure ratios are small, and system effectiveness is high.When summer cooling, the semen donors of single stage compress cycle can meet the cold negative of building
Lotus, when heat supply in winter, the heating load of the Two-stage Compression of second vapor injection can meet the thermic load of building, and the utility model improves
The efficiency of system reduces the energy consumption of system, saves the cost of system.
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 (8)
1. a kind of heat pump system with second vapor injection, which is characterized in that including compressor, four-way reversing valve, outdoor heat exchanger, room
Interior heat exchanger, first throttle valve, second throttle, third throttle valve, the first valve, the second valve and intercooler, it is described
The exhaust end of compressor is connect with the four-way reversing valve first interface, the suction end of the compressor and the four-way reversing valve
The connection of third interface, the second interface of the four-way reversing valve goes out with the first throttle valve respectively through the outdoor heat exchanger
Mouthful connected with the first valve inlet, the liquid outlet of the intercooler through second valve and the first throttle valve into
Mouth connection；The exhaust outlet of the intercooler is connect with the gas supplementing opening of the compressor, and the second of the indoor heat exchanger connects
Mouth is connect with the second throttle import and third throttling valve outlet respectively, and the second throttle outlet is cold with the centre
But device import connects, and the third throttle valve import is connect with the outlet of first valve, and the first of the indoor heat exchanger
Interface is connect with the 4th interface of the four-way reversing valve；
When summer cooling is run, working medium is changed by the four-way reversing valve into the outdoor from after compressor compresses boosting
Heat dissipation is condensed in hot device, after working medium condensation heat dissipation after first valve enters third throttle valve reducing pressure by regulating flow, into institute
Indoor heat exchanger evaporation endothermic is stated, refrigeration phenomenon is generated, the compressor is returned to using the four-way reversing valve, completes cooling
Cycle；
When heat supply in winter is run, working medium enters the indoor heat exchange from after compressor compresses boosting through the four-way reversing valve
Device condensation heat dissipation, generates heating phenomenon, and working medium throttles after condensing heat dissipation in the indoor heat exchanger through the second throttle
Decompression enters the intercooler, and the flashed vapour after throttling enters the compressor tonifying Qi, section by the intercooler
Liquid after stream enters the first throttle valve reducing pressure by regulating flow, the work after reducing pressure by regulating flow through the intercooler and the second valve
Matter returns to the compressor after evaporation endothermic in the outdoor heat exchanger by the four-way reversing valve, completes heating circulation.
2. according to the heat pump system with second vapor injection described in claim 1, which is characterized in that first valve and second
Valve is check valve or solenoid valve.
3. according to the heat pump system with second vapor injection described in claim 1, which is characterized in that the outdoor heat exchanger and room
Interior heat exchanger is air-cooled heat exchanger or water-cooled heat exchanger.
4. according to the heat pump system with second vapor injection described in claim 1, which is characterized in that the compressor is scroll compression
Contracting machine, rotor compressor, helical-lobe compressor or piston compressor.
5. a kind of heat pump system with second vapor injection, which is characterized in that including compressor, four-way reversing valve, outdoor heat exchanger, room
Interior heat exchanger, intercooler, the first valve, the second valve, the 4th throttle valve and the 5th throttle valve, the exhaust of the compressor
End is connect with the first interface of the four-way reversing valve, the third interface of the suction end of the compressor and the four-way reversing valve
Connection, the second interface of the four-way reversing valve through the outdoor heat exchanger respectively with the 5th throttling valve outlet and the first valve
Door import connection, the liquid outlet of the intercooler are connect through second valve with the 5th throttle valve import；Institute
The exhaust outlet for stating intercooler is connect with the gas supplementing opening of the compressor, and the second interface of the indoor heat exchanger is described in
4th throttle valve is connect with the import of the intercooler and the outlet of first valve respectively, the indoor heat exchanger
First interface is connect with the 4th interface of the four-way reversing valve；
When summer cooling is run, working medium is changed by the four-way reversing valve into the outdoor from after compressor compresses boosting
Heat dissipation is condensed in hot device, after working medium condensation heat dissipation after first valve enters the 4th throttle valve reducing pressure by regulating flow, into
Enter the indoor heat exchanger evaporation endothermic, generates refrigeration phenomenon, the compressor is returned to using the four-way reversing valve, complete
For SAPMAC method；
When heat supply in winter is run, working medium enters the indoor heat exchange from after compressor compresses boosting through the four-way reversing valve
Device condensation heat dissipation, generates heating phenomenon, and working medium throttles after condensing heat dissipation in the indoor heat exchanger through the 4th throttle valve
Decompression enters the intercooler, and the flashed vapour after throttling enters the compressor tonifying Qi, section by the intercooler
Liquid after stream enters the 5th throttle valve reducing pressure by regulating flow through the intercooler and the second valve, and the working medium after reducing pressure by regulating flow exists
The compressor is returned to by the four-way reversing valve after evaporation endothermic in the outdoor heat exchanger, completes heating circulation.
6. the heat pump system according to claim 5 with second vapor injection, which is characterized in that first valve and the second valve
Door is check valve or solenoid valve.
7. according to the heat pump system with second vapor injection described in claim 5, which is characterized in that the outdoor heat exchanger and room
Interior heat exchanger is air-cooled heat exchanger or water-cooled heat exchanger.
8. according to the heat pump system with second vapor injection described in claim 5, which is characterized in that the compressor compresses machine is
Screw compressor, rotor compressor, helical-lobe compressor or piston compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820133659.8U CN208012145U (en) | 2018-01-25 | 2018-01-25 | Heat pump system with second vapor injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820133659.8U CN208012145U (en) | 2018-01-25 | 2018-01-25 | Heat pump system with second vapor injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208012145U true CN208012145U (en) | 2018-10-26 |
Family
ID=63883381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820133659.8U Expired - Fee Related CN208012145U (en) | 2018-01-25 | 2018-01-25 | Heat pump system with second vapor injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208012145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088109A (en) * | 2018-01-25 | 2018-05-29 | 天津商业大学 | Heat pump system with second vapor injection |
-
2018
- 2018-01-25 CN CN201820133659.8U patent/CN208012145U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088109A (en) * | 2018-01-25 | 2018-05-29 | 天津商业大学 | Heat pump system with second vapor injection |
| CN108088109B (en) * | 2018-01-25 | 2024-04-05 | 天津商业大学 | Heat pump system with middle air supplementing function |
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| 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 |
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| CF01 | Termination of patent right due to non-payment of annual fee |