CN218237906U - Air energy two-stage cascade high-temperature heat pump machine cooling and heating unit - Google Patents
Air energy two-stage cascade high-temperature heat pump machine cooling and heating unit Download PDFInfo
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- CN218237906U CN218237906U CN202221813753.0U CN202221813753U CN218237906U CN 218237906 U CN218237906 U CN 218237906U CN 202221813753 U CN202221813753 U CN 202221813753U CN 218237906 U CN218237906 U CN 218237906U
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Abstract
The utility model belongs to the technical field of the changes in temperature unit, especially, be an air can doublestage cascade high temperature heat pump machine changes in temperature unit, it includes compressor, middle economizer and condenser, its characterized in that, the export intercommunication of compressor has oil separator one, the fixed intercommunication of oil separator export and condenser entry, the export of condenser and the fixed intercommunication of the entry of liquid storage pot, the fixed intercommunication in export of middle economizer and liquid storage pot, the fixed intercommunication in liquid storage pot export has electronic expansion valve's entry. The utility model discloses can be in the low temperature system compressor by the entering release heat in the condenser that can regard as the low temperature system condenser behind the highly compressed gas of high temperature to bring high temperature system water condenser into by high temperature system vapour and liquid separator and high temperature system compressor and with the mode of heat exchange with heat transfer feedwater, thereby obtain the high temperature hot water of required temperature, have the characteristics that can high-efficient operation under the ultra-low temperature environment.
Description
Technical Field
The utility model relates to a changes in temperature unit technical field especially relates to an air can doublestage cascade high temperature heat pump machine changes in temperature unit.
Background
The performance of the air source heat pump is rapidly reduced along with the reduction of the evaporation temperature, the problem of overhigh compression ratio can occur when the air source heat pump is used for preparing ultrahigh-temperature hot water in extremely low temperature, such as winter in the north of China, overheating occurs during operation, lubricating oil is deteriorated, a scroll plate is worn, and the like, the heating capacity of a common heat pump at the temperature of more than 60 ℃ is attenuated by 50%, the energy efficiency is low, the economy is poor, the single-frequency conversion overlapping heat pump in the current market is difficult to meet the energy efficiency requirement, a double-frequency conversion technology is adopted, energy is more saved, the stability is higher, the use of the air source heat pump in cold regions in winter is limited, and therefore the air energy double-stage overlapping high-temperature heat pump cooling and heating unit is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art and providing an air energy double-stage cascade high-temperature heat pump machine cooling and heating unit.
In order to realize the purpose, the utility model adopts the following technical scheme:
the air energy two-stage cascade high-temperature heat pump machine cooling and heating unit comprises a compressor, a first oil separator and a condenser, and is characterized in that an outlet of the compressor is communicated with the first oil separator, an outlet of the first oil separator is fixedly communicated with an inlet of the condenser, an outlet of the condenser is fixedly communicated with an inlet of a liquid storage tank, the intermediate oil separator is fixedly communicated with an outlet of the liquid storage tank, an outlet of the liquid storage tank is fixedly communicated with an inlet of an electronic expansion valve, the intermediate oil separator is communicated with the electronic expansion valve, an inlet of the compressor is fixedly communicated with an outlet of a second oil separator, the intermediate oil separator is fixedly communicated with the second oil separator, and a filling port is formed in the middle of the connection of the intermediate oil separator and the condenser.
Preferably, a four-way valve and a high-pressure sensor are arranged between the compressor and the condenser.
Preferably, a one-way valve I and a one-way valve II are arranged between the middle economizer and the liquid storage tank.
Preferably, a one-way valve III, a one-way valve IV, a two-way valve and a capillary tube are arranged between the condenser and the liquid storage tank.
Preferably, a filter, a capillary tube and a two-way valve are arranged between the liquid storage tank and the electronic expansion valve.
Preferably, a four-way valve and a low-pressure sensor are arranged between the middle economizer and the second oil separator.
The utility model discloses in, an air can doublestage cascade high temperature heat pump machine changes in temperature unit, absorb the heat through the refrigerant in the low temperature system evaporimeter, and become the gas with the temperature with the pressure by the gas-liquid mixture state of low temperature low pressure through the low temperature system vapour and liquid separator, gaseous state refrigerant releases the heat in getting into the condenser that can regard as the low temperature system condenser after compressing into the highly compressed gas of high temperature in the low temperature system compressor, meanwhile refrigerant in the high temperature system carries the heat from can regard as the condenser of high temperature system evaporimeter in respectively via high temperature system vapour and liquid separator and high temperature system compressor and brings the high temperature system water condenser into and with the mode of heat exchange with heat transfer feedwater, thereby obtain the high temperature hot water of required temperature, have the characteristics that can high-efficient operation under the ultra-low temperature environment.
Drawings
Fig. 1 is a schematic structural diagram of an air energy two-stage cascade high-temperature heat pump machine cooling and heating unit provided by the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 2;
fig. 3 is a partially enlarged view of a portion B in fig. 2.
In the figure: 1. a compressor; 2. a first oil separator; 3. a high pressure sensor; 4. a four-way valve; 5. an intermediate economizer; 6. a condenser; 7. a one-way valve I; 8. a second one-way valve; 9. a one-way valve III; 10. a one-way valve IV; 11. a filter; 12. a liquid storage tank; 13. an electronic expansion valve; 14. a two-way valve; 15. a capillary tube; 16. a filling port; 17. a low pressure sensor; 18. and a second oil separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the air energy double-stage cascade high-temperature heat pump machine cooling and heating unit comprises a compressor 1, an intermediate economizer 5 and a condenser 6, and is characterized in that an outlet of the compressor 1 is communicated with a first oil separator 2, an outlet of the first oil separator 2 is fixedly communicated with an inlet of the condenser 6, an outlet of the condenser 6 is fixedly communicated with an inlet of a liquid storage tank 12, the intermediate economizer 5 is fixedly communicated with an outlet of the liquid storage tank 12, an outlet of the liquid storage tank 12 is fixedly communicated with an inlet of an electronic expansion valve 13, the intermediate economizer 5 is communicated with the electronic expansion valve 13, an inlet of the compressor 1 is fixedly communicated with an outlet of a second oil separator 18, the intermediate economizer 5 is fixedly communicated with the second oil separator 18, and a filling port 16 is formed in the middle of connection of the intermediate economizer 5 and the condenser 6.
In this embodiment, a four-way valve 4 and a high-pressure sensor 3 are disposed between the compressor 1 and the condenser 6, and may be used for system protection and defrosting.
In this embodiment, the middle economizer 5 is connected with the liquid storage tank 12, and the middle of the middle economizer is provided with a one-way valve I7 and a one-way valve II 8, so that one-way circulation can be conveniently controlled.
In this embodiment, a one-way valve three 9, a one-way valve four 10, a two-way valve 14 and a capillary tube 15 are arranged between the condenser 6 and the liquid storage tank 12 for conveniently controlling one-way circulation.
In this embodiment, a filter 11, a capillary tube 15 and a two-way valve 14 are disposed between the liquid storage tank 12 and the electronic expansion valve 13, so as to facilitate the control of the circulation.
In this embodiment, the four-way valve 4 and the low pressure sensor 17 are arranged between the middle economizer 5 and the second oil separator 18, and can be used for the outlet of the system defrosting separator.
The utility model discloses in, when using, condenser 6 is not only the low temperature system condenser but also the high temperature system evaporimeter, the refrigerant absorbs the heat in the low temperature system evaporimeter in the low temperature system, and become the gas with the temperature with the pressure by the gas-liquid mixture state of low temperature low pressure through the low temperature system vapour and liquid separator, gaseous state refrigerant gets into behind the high-pressure gas of high temperature compression in the low temperature system compressor and releases the heat in the condenser 6 that can regard as the low temperature system condenser, meanwhile refrigerant in the high temperature system carries the heat with the heat from can regard as the condenser 6 of high temperature system evaporimeter in respectively via high temperature system vapour and liquid separator and high temperature system compressor and brings the high temperature system water condenser in and with heat transfer feedwater, thereby obtain the high temperature hot water of required temperature, have the characteristics that can high-efficient operation under the ultra-low temperature environment.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (6)
1. The utility model provides an air can doublestage cascade high temperature heat pump machine changes in temperature unit, includes compressor (1), middle economic ware (5) and condenser (6), its characterized in that, the export intercommunication of compressor (1) has oil separator (2), oil separator (2) export and condenser (6) entry fixed intercommunication, the export of condenser (6) and the fixed intercommunication of the entry of liquid storage pot (12), the fixed intercommunication of export of middle economic ware (5) and liquid storage pot (12), the fixed intercommunication of liquid storage pot (12) export has the entry of electronic expansion valve (13), middle economic ware (5) are linked together with electronic expansion valve (13), the fixed intercommunication of import of compressor (1) has the export of two oil separators (18), middle economic ware (5) and two oil separators (18) fixed intercommunication, middle economic ware (5) are provided with filler (16) in the middle of being connected with condenser (6).
2. The air energy two-stage cascade high-temperature heat pump machine cooling and heating unit according to claim 1, characterized in that a four-way valve (4) and a high-pressure sensor (3) are arranged between the compressor (1) and the condenser (6).
3. The air energy two-stage cascade high-temperature heat pump machine cooling and heating unit according to claim 1, wherein a first check valve (7) and a second check valve (8) are arranged between the connection of the intermediate economizer (5) and the liquid storage tank (12).
4. The air energy two-stage cascade high-temperature heat pump machine cooling and heating unit according to claim 1, wherein a one-way valve three (9), a one-way valve four (10), a two-way valve (14) and a capillary tube (15) are arranged between the condenser (6) and the liquid storage tank (12).
5. The air energy double-stage cascade high-temperature heat pump machine cooling and heating unit according to claim 1, characterized in that a filter (11), a capillary tube (15) and a two-way valve (14) are arranged between the connection of the liquid storage tank (12) and the electronic expansion valve (13).
6. The air energy two-stage cascade high-temperature heat pump machine cooling and heating unit according to claim 1, characterized in that a four-way valve (4) and a low-pressure sensor (17) are arranged between the middle economizer (5) and the second oil separator (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221813753.0U CN218237906U (en) | 2022-07-13 | 2022-07-13 | Air energy two-stage cascade high-temperature heat pump machine cooling and heating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221813753.0U CN218237906U (en) | 2022-07-13 | 2022-07-13 | Air energy two-stage cascade high-temperature heat pump machine cooling and heating unit |
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| Publication Number | Publication Date |
|---|---|
| CN218237906U true CN218237906U (en) | 2023-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221813753.0U Active CN218237906U (en) | 2022-07-13 | 2022-07-13 | Air energy two-stage cascade high-temperature heat pump machine cooling and heating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218237906U (en) |
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2022
- 2022-07-13 CN CN202221813753.0U patent/CN218237906U/en active Active
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