CN217541131U - Direct expansion heat pump structure of magnetic suspension compressor - Google Patents
Direct expansion heat pump structure of magnetic suspension compressor Download PDFInfo
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- CN217541131U CN217541131U CN202220211884.5U CN202220211884U CN217541131U CN 217541131 U CN217541131 U CN 217541131U CN 202220211884 U CN202220211884 U CN 202220211884U CN 217541131 U CN217541131 U CN 217541131U
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Abstract
The utility model provides a magnetic suspension compressor direct expansion heat pump structure, including indoor evaporimeter, interface I of indoor evaporimeter is connected with I one end of connecting tube and the interface of steering valve respectively, I other end of connecting tube is connected with II one ends of connecting tube and steering valve interface two respectively, II other ends of connecting tube are connected with vapour and liquid separator, vapour and liquid separator is connected with magnetic suspension compressor and steering valve interface three in proper order, indoor evaporimeter interface II is connected with connecting tube III and IV one end respectively, the III other end of connecting tube is connected with outdoor condenser through connecting tube V, outdoor condenser is connected with steering valve interface four, connecting tube III and connecting tube IV set up in parallel, install an expansion valve, three-way valve, dry filter and liquid storage pot on the connecting tube IV in proper order, be connected through connecting tube VI between three-way valve and the connecting tube V. The magnetic suspension compressor does not need lubricating oil in the use state, and the structure is simpler and more reliable.
Description
Technical Field
The utility model belongs to the technical field of the heat pump, concretely relates to magnetic suspension compressor direct expansion heat pump structure.
Background
The direct expansion liquid supply is that the difference between the condensing pressure and evaporating pressure produced by the compressor in the system is used as power, the high-pressure high-temperature refrigerant liquid is depressurized by a throttling device and then directly supplied to an evaporator, the evaporator absorbs heat and evaporates to form low-temperature low-pressure refrigerant gas, the gas is compressed to high-temperature high-pressure refrigerant gas by the compressor, and the high-temperature low-pressure refrigerant gas is cooled in a condenser to form high-temperature high-pressure refrigerant liquid, so that the refrigeration cycle is formed. The refrigerant flows in the opposite direction, the refrigerant absorbs the heat of outdoor air in an outdoor condenser (equivalent to an evaporator in the refrigeration process) and evaporates into gaseous refrigerant, the gaseous refrigerant is compressed into high-temperature high-pressure steam by a compressor and enters an indoor evaporator (equivalent to a condenser in the refrigeration process), and the heat is released indoors to form an indoor heat supply cycle. The schematic diagram of the two cycles of cooling and heating of the water source heat pump is shown in figure 1.
The magnetic suspension heat pump unit is different from the prior heat pump in the forms of piston type, scroll type, screw type, centrifugal compressor, etc., and the compressors need to inject lubricating oil into the system to cool and lubricate the moving parts of the compressor and take away impurities such as metal filings generated by friction. The lubricating oil circulates in the system along with the refrigerant, and can be detained and accumulated at positions such as pipe walls, pipe fittings and low points of the pipes, so that the lubricating oil in the compressor is reduced, and the safety of the system operation is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnetic suspension compressor direct expansion heat pump structure, magnetic suspension heat pump set compressor need not complicated oil circuit separation, transmission and oil storage structure for not having oily operational environment, and the structure is simple more reliable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a magnetic suspension compressor direct expansion heat pump structure, includes outdoor condenser, diverter valve, magnetic suspension compressor, liquid storage pot, vapour and liquid separator and indoor evaporimeter, interface I of indoor evaporimeter is connected with I one end of connecting tube and the interface of diverter valve respectively, and I other end of connecting tube is connected with II one end of connecting tube and diverter valve interface two respectively, and II other ends of connecting tube are connected with vapour and liquid separator, vapour and liquid separator loops through the pipeline and is connected with magnetic suspension compressor and diverter valve interface three, and indoor evaporimeter interface II is connected with connecting tube III and connecting tube IV one end respectively, and the III other ends of connecting tube are connected with outdoor condenser through connecting tube V, and outdoor condenser is connected with diverter valve interface four, and connecting tube III and connecting tube IV set up in parallel, install an expansion valve, three-way valve, drier-filter and liquid storage pot on the connecting tube IV in proper order, and an expansion valve is close to indoor evaporimeter one side setting, is connected through connecting tube VI between three-way valve and the connecting tube V.
And a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve are respectively arranged on the connecting pipeline I, the connecting pipeline III and the connecting pipeline V.
And a pressure gauge and a temperature sensor are sequentially arranged on the connecting pipeline II, and the temperature sensor is arranged close to one end of the gas-liquid separator.
And a second expansion valve is arranged on the connecting pipeline VI.
And a check valve is arranged on a pipeline between the magnetic suspension compressor and the third steering valve connector.
The number of the magnetic suspension compressors is one or more, and when the number of the magnetic suspension compressors is multiple, the magnetic suspension compressors are arranged in parallel.
The utility model discloses compare in prior art's beneficial effect do:
1. the magnetic suspension compressor is used without lubricating oil or lubricating oil separating, storing and recovering device, and has simple and reliable structure.
2. Because the oil return problem does not need to be considered, the arrangement positions of the indoor and outdoor evaporators and the condenser are more flexible, and the height and the distance of the two air positions are not limited too much.
3. The evaporator and the condenser of the magnetic suspension compressor direct expansion heat pump unit can directly expand to do work, and the heat exchange efficiency is greatly improved due to the fact that an intermediate heat exchange structure is saved.
4. The magnetic suspension compressor direct expansion heat pump unit can flexibly select the power of a single compressor according to the load and is provided with a plurality of compressors which are connected in parallel to form a larger refrigerating and heating unit. When a plurality of compressors in other forms are connected in parallel, the recovery and distribution of lubricating oil are difficult to be uniform, and a certain compressor can be caused to be in failure due to lack of lubrication.
5. Compared with the traditional heat pump unit, the magnetic suspension direct expansion heat pump unit has the advantages of small floor area, flexible arrangement, no need of a large amount of water pipelines, and simple and quick installation.
6. The magnetic suspension compressor direct expansion heat pump unit equipment is free of water pipelines, anti-freezing measures are not needed, and the magnetic suspension compressor direct expansion heat pump unit equipment can be used safely under the condition that a machine room is not available.
Drawings
FIG. 1 is a refrigerant flow diagram of a prior art air source heat pump water cooling and heating unit;
fig. 2 is a schematic view of an indoor heating mode of a direct expansion heat pump structure of a magnetic suspension compressor in an embodiment 1 of the present invention;
fig. 3 is a schematic view of an indoor refrigeration mode of a direct expansion heat pump structure of a magnetic suspension compressor in the embodiment 1 of the present invention;
fig. 4 illustrates a magnetic levitation compressor direct expansion heat pump structure of a plurality of magnetic levitation compressors according to the embodiment of the present invention;
the system comprises an outdoor condenser, 2-a steering valve, 3-a magnetic suspension compressor, 4-a liquid storage tank, 5-a gas-liquid separator, 6-an indoor evaporator, 7-a dry filter, 8-connecting pipelines I, 9-connecting pipelines II, 10-connecting pipelines III, 11-connecting pipelines IV, 12-connecting pipelines V, 13-connecting pipelines VI, 14-a solenoid valve, 15-a solenoid valve, 16-a solenoid valve, 17-a expansion valve, 18-a three-way valve, 19-a two-way expansion valve, 20-a pressure gauge, 21-a temperature sensor and 22-a check valve.
Detailed Description
The present invention will be further described in detail with reference to the drawings and examples.
Example 1
As shown in fig. 2 and 3, a magnetic suspension compressor direct expansion heat pump structure comprises an outdoor condenser 1, a steering valve 2, a magnetic suspension compressor unit, a liquid storage tank 4, a gas-liquid separator 5 and an indoor evaporator 6, wherein the magnetic suspension compressor unit is composed of the magnetic suspension compressor 3, a connector I of the indoor evaporator 6 is respectively connected with one end of a connecting pipeline I8 and a connector I of the steering valve 2, the other end of the connecting pipeline I8 is respectively connected with one end of a connecting pipeline II 9 and a connector II of the steering valve 2, the other end of the connecting pipeline II 9 is connected with the gas-liquid separator 5, the gas-liquid separator 5 is sequentially connected with the magnetic suspension compressor 3 and the connector III of the steering valve 2 through pipelines, the connector II of the indoor evaporator 6 is respectively connected with one end of a connecting pipeline III 10 and one end of a connecting pipeline IV 11, the other end of the connecting pipeline III 10 is connected with the outdoor condenser 1 through a connecting pipeline V12, the outdoor condenser 1 is connected with the connector IV of the steering valve 2 through a pipeline, the connecting pipeline III 10 is connected with the connecting pipeline IV 11 in parallel, a connecting pipeline IV 11 is sequentially provided with an expansion valve 17, a three-way valve 18, a three-way valve 13 is arranged on one side of the connecting pipeline IV-way valve 17.
And a first electromagnetic valve 14, a second electromagnetic valve 15 and a third electromagnetic valve 16 are respectively arranged on the connecting pipeline I8, the connecting pipeline III 10 and the connecting pipeline V12.
And a pressure gauge 20 and a temperature sensor 21 are sequentially arranged on the connecting pipeline II 9, and the temperature sensor 21 is arranged close to one end of the gas-liquid separator 5.
And a second expansion valve 19 is arranged on the connecting pipeline VI 13.
And a check valve 22 is arranged on a pipeline between the magnetic suspension compressor 3 and the third interface of the steering valve 2.
A heating mode circulation flow of a magnetic suspension compressor direct expansion heat pump structure is as follows:
when the heating mode is cycled, the first solenoid valve 14 and the third solenoid valve 16 are in a closed state, and the second solenoid valve 15 is in an open state.
The high-temperature high-pressure gaseous refrigerant in the magnetic suspension compressor 3 enters the indoor evaporator 6 through the pipeline and the steering valve 2, the high-temperature high-pressure gaseous refrigerant is changed into a high-temperature high-pressure liquid refrigerant through heat dissipation of the indoor evaporator 6, the high-temperature high-pressure liquid refrigerant sequentially passes through the liquid storage tank 4, the drying filter 7, the three-way valve 18, the connecting pipeline VI 13 and the second expansion valve 19 for throttling and then is changed into a low-temperature low-pressure liquid refrigerant, the low-temperature low-pressure liquid refrigerant enters the outdoor condenser 1, the low-temperature low-pressure liquid refrigerant absorbs heat after passing through the outdoor condenser 1 and is changed into the low-temperature low-pressure gaseous refrigerant, and the low-temperature low-pressure gaseous refrigerant returns to the magnetic suspension compressor 3 after passing through the steering valve 2 and the gas-liquid separator 5, so that a primary heating process is completed.
A refrigeration mode circulation flow of a magnetic suspension compressor direct expansion heat pump structure is as follows:
during the cooling mode cycle, the first solenoid valve 14 and the third solenoid valve 16 are in an open state, and the second solenoid valve 15 is in a closed state.
High-temperature high-pressure gaseous refrigerant in the magnetic suspension compressor 3 flows into the outdoor condenser 1 through the pipeline and the steering valve 2, is changed into high-temperature high-pressure liquid refrigerant through heat dissipation, then enters the liquid storage tank 4 through the connecting pipeline V12 and the third electromagnetic valve 16, is changed into low-temperature low-pressure liquid refrigerant after throttling through the liquid storage tank 4, the drying filter 7, the three-way valve 18 and the first expansion valve 17, enters the indoor evaporator 6, is subjected to heat absorption and gasification in the indoor evaporator 6 to be changed into low-temperature low-pressure gaseous refrigerant, and returns to the magnetic suspension compressor 3 after passing through the gas-liquid separator 5, so that a primary refrigeration process is completed.
Example 2
As shown in fig. 4, embodiment 2 is different from embodiment 1 in that the number of the magnetic levitation compressors 3 in embodiment 2 is two, and the two magnetic levitation compressors 3 are arranged in parallel.
The number and the specification of the compressors can be configured according to the required load by connecting the multiple compressors in parallel, so that the multi-compressor parallel compressor system is suitable for multiple application places.
Claims (6)
1. The utility model provides a magnetic suspension compressor direct expansion heat pump structure, its characterized in that, including outdoor condenser, diverter valve, magnetic suspension compressor, liquid storage pot, vapour and liquid separator and indoor evaporimeter, the interface I of indoor evaporimeter is connected with the interface I one end of connecting tube I and diverter valve respectively, and the I other end of connecting tube is connected with II one ends of connecting tube and the second interface of diverter valve respectively, and the II other ends of connecting tube are connected with vapour and liquid separator, vapour and liquid separator loops through pipeline and magnetic suspension compressor and third interface of diverter valve and is connected, and indoor evaporimeter interface II is connected with connecting tube III and IV one end respectively, and the III other end of connecting tube is connected with outdoor condenser through connecting tube V, and outdoor condenser is connected with the fourth interface of diverter valve, and connecting tube III and connecting tube IV set up in parallel, install an expansion valve, three-way valve, drying filter and liquid storage pot on the connecting tube IV in proper order, and an expansion valve is close to indoor evaporimeter one side setting, and is connected through connecting tube VI between three-way valve and the connecting tube V.
2. A magnetic levitation compressor direct expansion heat pump structure as recited in claim 1 wherein: and a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve are respectively arranged on the connecting pipeline I, the connecting pipeline III and the connecting pipeline V.
3. A magnetic levitation compressor direct expansion heat pump structure as recited in claim 1 wherein: and a pressure gauge and a temperature sensor are sequentially arranged on the connecting pipeline II, and the temperature sensor is arranged close to one end of the gas-liquid separator.
4. A magnetic levitation compressor direct expansion heat pump structure as recited in claim 1 wherein: and a second expansion valve is arranged on the connecting pipeline VI.
5. A magnetic levitation compressor direct expansion heat pump structure as recited in claim 1 wherein: and a check valve is arranged on a pipeline between the magnetic suspension compressor and the third steering valve connector.
6. A magnetically levitated compressor direct expansion heat pump structure as claimed in claim 1, wherein: the number of the magnetic suspension compressors is one or more, and when the number of the magnetic suspension compressors is multiple, the magnetic suspension compressors are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220211884.5U CN217541131U (en) | 2022-01-26 | 2022-01-26 | Direct expansion heat pump structure of magnetic suspension compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220211884.5U CN217541131U (en) | 2022-01-26 | 2022-01-26 | Direct expansion heat pump structure of magnetic suspension compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217541131U true CN217541131U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220211884.5U Active CN217541131U (en) | 2022-01-26 | 2022-01-26 | Direct expansion heat pump structure of magnetic suspension compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217541131U (en) |
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2022
- 2022-01-26 CN CN202220211884.5U patent/CN217541131U/en active Active
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