CN210975270U - Heat pump clothes dryer adopting middle air supply compressor - Google Patents
Heat pump clothes dryer adopting middle air supply compressor Download PDFInfo
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- CN210975270U CN210975270U CN201921497987.7U CN201921497987U CN210975270U CN 210975270 U CN210975270 U CN 210975270U CN 201921497987 U CN201921497987 U CN 201921497987U CN 210975270 U CN210975270 U CN 210975270U
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Abstract
The utility model relates to the technical field of clothes dryers, in particular to a heat pump clothes dryer adopting a middle air supply compressor, which comprises a drying system and a dehumidifying system which are connected through a circulating pipeline, wherein the dehumidifying system comprises a compressor and a condenser; the air suction port of the compressor is connected with one end of an evaporator, the other end of the evaporator is connected with one end of a condenser through a first pipeline, and the other end of the condenser is connected with the exhaust port of the compressor; the compressor is provided with a middle air supplement port, and the middle air supplement port is connected with a first pipeline of the evaporator through a second pipeline; a first expansion valve is arranged on a first pipeline between the evaporator and the economizer, and a second expansion valve is arranged on a second pipeline between the evaporator and the economizer. After the structure of the oil field is adopted, the utility model discloses an adopt the compressor of tonifying qi in the middle of the area, can control the exhaust temperature of compressor, improve dehumidification effect, guarantee the safety of compressor, reduce the compressor consumption simultaneously.
Description
Technical Field
The utility model relates to a dryer technical field, especially a heat pump dryer who adopts middle tonifying qi compressor.
Background
According to the existing heat pump clothes dryer, exhaust of a compressor enters a condenser, air is heated while condensation is carried out, the clothes drying effect of the air is improved, a refrigerant after condensation enters an evaporator through an expansion valve, the temperature of wet air is firstly reduced to a dew point, then the temperature is continuously reduced, condensed water is separated out, the air with the condensed water is separated out, the air enters the condenser, the temperature is raised, and the dryness is improved. The evaporated refrigerant is returned to the compressor to complete the cycle. And the heated air enters a clothes storage room for drying clothes, and then passes through a filter after circulation and enters an evaporator and a condenser, thus completing the circulation. During operation, the temperature of the circulating air continuously rises along with the prolonging of time, and can rise to 60 ℃, so that the condensation temperature is higher and higher; the corresponding humidity is lower and lower, the dew point temperature is lower and lower, and the evaporation temperature is lower and lower in order to obtain condensed water. At this time, if a conventional compressor is used, the discharge temperature is increased, the compressor fails, and the performance is reduced.
The Chinese patent application CN 107151910A discloses a heat pump clothes dryer, which comprises a drying cylinder, a fan and an air duct, wherein a heat pump system is arranged in the air duct, the heat pump system comprises an evaporator, a throttle valve, a condenser and a compressor which are sequentially connected end to end, the evaporator is connected with the condenser, and the condenser is connected with an air inlet of the drying cylinder; and a cooling chamber is connected between the exhaust port of the drying cylinder and the evaporator, a cooling device is arranged in the cooling chamber, and the cooling device is used for pre-cooling the damp-heat gas exhausted by the drying cylinder.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a heat pump clothes dryer capable of controlling the exhaust temperature of a compressor.
In order to solve the technical problem, the utility model discloses a heat pump clothes dryer adopting a middle air supply compressor, which comprises a drying system and a dehumidifying system which are connected through a circulating pipeline, wherein the dehumidifying system comprises a compressor and a condenser;
the air suction port of the compressor is connected with one end of an evaporator, the other end of the evaporator is connected with one end of a condenser through a first pipeline, and the other end of the condenser is connected with the exhaust port of the compressor; the compressor is provided with a middle air supplement port, and the middle air supplement port is connected with a first pipeline of the evaporator through a second pipeline;
the first pipeline is provided with a first expansion valve, and the second pipeline is provided with a second expansion valve.
Preferably, the first and second conduits pass through an economizer.
Preferably, the drying system comprises a drying cabin, the drying cabin is provided with an air inlet and an air outlet, the air inlet and the air outlet are connected through a circulating pipeline, and the evaporator and the condenser are arranged in the circulating pipeline.
Preferably, a filter is arranged in the circulating pipeline between the air outlet and the evaporator.
Preferably, a fan is arranged in the circulating pipeline between the filter and the evaporator, an air inlet is formed in the circulating pipeline between the filter and the air outlet, and a water outlet is formed in the circulating pipeline between the filter and the evaporator.
Preferably, the dehumidification system further comprises a pre-cooling evaporator, and the pre-cooling evaporator is connected between the second pipeline and the middle air supplementing port.
Preferably, the compressor is a two-stage compressor, and the middle air supplement port is arranged in the middle of the two compression stages.
Preferably, the compressor is a three-stage compressor, and the number of the intermediate air supplementing ports is two, one of the intermediate air supplementing ports is arranged in the middle of the first-stage compression stage and the second-stage compression stage, and the other one of the intermediate air supplementing ports is arranged in the middle of the second-stage compression stage and the third-stage compression stage.
Preferably, the first expansion valve and the second expansion valve are electronic expansion valves.
After the structure is adopted, the utility model can control the exhaust temperature of the compressor by adopting the compressor with middle air supplement, improve the dehumidification effect, ensure the safety of the compressor and reduce the power consumption of the compressor; in addition, through two-stage compression or quasi two-stage compression, the energy efficiency is improved, and the electric energy is saved. The use of pre-cooling further provides performance.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the working principle of the present invention.
In the figure: 1 is a compressor, 2 is a condenser, 3 is an economizer, 4 is a second expansion valve, 5 is a first expansion valve, 6 is an evaporator, 7 is a fan, 8 is a filter, 9 is clothes, 10 is an air inlet, 11 is a water outlet, 12 is an air inlet, 13 is an air outlet, 14 is a precooling evaporator, 1a is an air inlet, 1b is an air outlet, and 1c is a middle air supplement port.
Detailed Description
The first implementation mode comprises the following steps:
as shown in fig. 1, the heat pump clothes dryer adopting the intermediate air make-up compressor of the present invention includes a drying system and a dehumidifying system connected by a circulating pipeline, wherein the dehumidifying system includes a compressor 1 and a condenser 2; the suction port 1a of the compressor 1 is connected with one end of an evaporator 6, the other end of the evaporator 6 is connected with one end of a condenser 2 through a first pipeline, and the other end of the condenser 2 is connected with the exhaust port 1b of the compressor 1. The compressor 1 is provided with a middle air supplement port 1c, and the middle air supplement port 1c is connected with a first pipeline of the evaporator 6 through a second pipeline. The first pipe is provided with a first expansion valve 5, and the second pipe is provided with a second expansion valve 4, and in the present embodiment, the first expansion valve 5 and the second expansion valve 4 are electronic expansion valves, and the amount of refrigerant passing through can be controlled according to the exhaust temperature, thereby reducing the exhaust temperature. The compressor with the middle air supply is adopted, the exhaust temperature can be reduced through the middle air supply mode, the dehumidification effect is improved, and meanwhile, the power consumption of the compressor is reduced. In order to be able to further subcool the refrigerant coming out of the condenser 2, said first and second conduits pass through an economizer 3. After being supercooled, the refrigerant at the outlet of the condenser 2 is divided into two paths, and one path of the refrigerant enters the evaporator 6 through the first expansion valve 5 to be evaporated and dehumidified; the other path of refrigerant enters the economizer 3 through a second expansion valve 4 to be evaporated, cools the refrigerant from the condenser 2, and enters the middle air supplement port 1C of the compressor after being completely evaporated.
As shown in fig. 1, the drying system includes a drying chamber, the drying chamber is provided with an air inlet 12 and an air outlet 13, the air inlet 12 and the air outlet 13 are connected through a circulation pipeline, the evaporator 6 and the condenser 2 are arranged in the circulation pipeline, and the evaporator 6 and the condenser 2 are arranged in the circulation pipeline. A filter 8 is arranged in the circulating pipeline between the air outlet 13 and the evaporator 6, a fan 7 is arranged in the circulating pipeline between the filter 8 and the evaporator 6, an air inlet 10 is formed in the circulating pipeline between the filter 8 and the air outlet 13, and a water outlet 11 is formed in the circulating pipeline between the filter 8 and the evaporator 6.
The working principle is as follows: wet clothing 9 is placed in the drying chamber, dry air enters from the air inlet 12, takes away the steam of wet clothing, flows out through the gas outlet 13, through the filtration of filter 8, filters impurity, filament, and circulating fan 7 circulates the humid air to the dehumidification space, at first reaches evaporimeter 6, is cooled to below the dew point earlier, condenses out steam, continues to circulate forward, after reaching condenser 2, is heated, has improved and has taken wet ability, has returned to air inlet 12, so accomplishes a dehumidification circulation.
In the dehumidification system, exhaust gas of a compressor 1 passes through an exhaust port 1b, enters a condenser 2, is condensed, enters an economizer 3, is further subcooled, a part of subcooled refrigerant is throttled and expanded into the economizer 3 to be evaporated, the temperature of the refrigerant on a main loop is reduced, then enters an intermediate air supplement port 1c of the compressor 1, and the refrigerant on the main loop passes through the throttling of a first expansion valve 5, enters an evaporator 6 to be evaporated, and then returns to the compressor 1. The air inlet 10 has the function that when the temperature of the internal circulating air is extremely high, the air inlet 10 is opened to supplement cold air, so that the condition that the temperature in the box body is higher and higher to cause the damage of the compressor 1 is avoided.
The second embodiment:
as shown in fig. 2, the heat pump clothes dryer of the present embodiment has the same structure as the first embodiment except that the economizer 3 is not included in the dehumidification system, and the pre-cooling evaporator 14 is included in the dehumidification system, the pre-cooling evaporator 14 is located at the front end of the evaporator 6, and the pre-cooling evaporator 14 is connected between the second pipeline and the intermediate air supplement port 1 c. For pre-cooling the hot air, the refrigerant of the pre-cooling evaporator 14 is from the condenser 2, throttled by the second expansion valve 4, and enters the intermediate air supplement port 1C of the compressor 1 after being evaporated.
In this patent application, middle tonifying qi mouth 1c sets up in the middle part of two adjacent compression stages, if the compressor is double stage compressor, middle tonifying qi mouth 1c sets up the middle part at two compression stages. If the compressor is a three-stage compressor, the number of the middle air supplementing ports is two, one is arranged in the middle of the first-stage compression stage and the second-stage compression stage, and the other is arranged in the middle of the second-stage compression stage and the third-stage compression stage.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (9)
1. The utility model provides an adopt heat pump dryer of middle tonifying qi compressor which characterized in that: the system comprises a drying system and a dehumidifying system which are connected through a circulating pipeline, wherein the dehumidifying system comprises a compressor and a condenser;
the air suction port of the compressor is connected with one end of an evaporator, the other end of the evaporator is connected with one end of a condenser through a first pipeline, and the other end of the condenser is connected with the exhaust port of the compressor; the compressor is provided with a middle air supplement port, and the middle air supplement port is connected with a first pipeline of the evaporator through a second pipeline;
the first pipeline is provided with a first expansion valve, and the second pipeline is provided with a second expansion valve.
2. The heat pump clothes dryer adopting the intermediate air make-up compressor as claimed in claim 1, wherein: the first and second conduits pass through an economizer.
3. The heat pump clothes dryer using the intermediate air make-up compressor of claim 1 or 2, wherein: the drying system comprises a drying cabin, the drying cabin is provided with an air inlet and an air outlet, the air inlet and the air outlet are connected through a circulating pipeline, and the evaporator and the condenser are arranged in the circulating pipeline.
4. The heat pump clothes dryer adopting the intermediate air make-up compressor as claimed in claim 3, wherein: and a filter is arranged in the circulating pipeline between the air outlet and the evaporator.
5. The heat pump clothes dryer adopting the intermediate air make-up compressor as claimed in claim 4, wherein: a fan is arranged in the circulating pipeline between the filter and the evaporator, an air inlet is formed in the circulating pipeline between the filter and the air outlet, and a water outlet is formed in the circulating pipeline between the filter and the evaporator.
6. The heat pump clothes dryer adopting the intermediate air make-up compressor as claimed in claim 1, wherein: the dehumidification system also comprises a pre-cooling evaporator, and the pre-cooling evaporator is connected between the second pipeline and the middle air supplementing port.
7. The heat pump clothes dryer adopting the intermediate air make-up compressor as claimed in claim 1, wherein: the compressor is a double-stage compressor, and the middle air supplement port is arranged in the middle of the two compression stages.
8. The heat pump clothes dryer adopting the intermediate air make-up compressor as claimed in claim 1, wherein: the compressor is the tertiary compressor, middle tonifying qi mouth is two, and one sets up in the middle part of one-level and second grade compression stage, and another sets up in the middle part of second grade and third grade compression stage.
9. The heat pump clothes dryer adopting the intermediate air make-up compressor as claimed in claim 1, wherein: the first expansion valve and the second expansion valve are electronic expansion valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921497987.7U CN210975270U (en) | 2019-09-10 | 2019-09-10 | Heat pump clothes dryer adopting middle air supply compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921497987.7U CN210975270U (en) | 2019-09-10 | 2019-09-10 | Heat pump clothes dryer adopting middle air supply compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210975270U true CN210975270U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921497987.7U Active CN210975270U (en) | 2019-09-10 | 2019-09-10 | Heat pump clothes dryer adopting middle air supply compressor |
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| Country | Link |
|---|---|
| CN (1) | CN210975270U (en) |
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2019
- 2019-09-10 CN CN201921497987.7U patent/CN210975270U/en active Active
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