CN210921634U - Low-temperature dehumidifier of coupling defrosting - Google Patents
Low-temperature dehumidifier of coupling defrosting Download PDFInfo
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- CN210921634U CN210921634U CN201922098708.6U CN201922098708U CN210921634U CN 210921634 U CN210921634 U CN 210921634U CN 201922098708 U CN201922098708 U CN 201922098708U CN 210921634 U CN210921634 U CN 210921634U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The utility model provides a low temperature dehumidifier of coupling defrosting. The low-temperature dehumidifier combines sensible heat defrosting, hot gas bypass defrosting and electric heating defrosting, three defrosting modes are mutually matched and mutually influenced, the defrosting problem of the low-temperature dehumidifier can be effectively solved, and the problems of poor defrosting effect and high energy consumption of the traditional low-temperature dehumidifier are solved.
Description
Technical Field
The utility model relates to an air conditioner, concretely relates to low temperature dehumidifier with defrosting function.
Background
At present, when a dehumidifier unit operates under a low-temperature working condition, the temperature of inlet air is low, so that the evaporation pressure is low, an evaporator is easy to frost, the unit is unsmooth in overfire, the low pressure is too low, and finally the dehumidifier cannot normally operate. In order to solve the problem, a unit is usually subjected to defrosting treatment, but for a low-temperature dehumidifier used in a high-humidity environment, the effect of the traditional defrosting treatment method is not obvious.
Disclosure of Invention
To the problem that provides in the background art, the utility model provides a low temperature dehumidifier of coupling defrosting.
The utility model provides a low temperature dehumidifier of coupling defrosting, including compressor, vapour and liquid separator, evaporimeter, expansion valve, cistern, three-way flow control valve, air-cooled condenser, water-cooled condenser, fan and controller, evaporimeter, air-cooled condenser and fan set up in an air current channel; the outlet of the compressor is connected with the inlet of the gas-liquid separator through a pipeline, the outlet of the gas-liquid separator is connected with the inlet of the evaporator through a pipeline, the outlet of the evaporator is connected with the inlet of the expansion valve through a pipeline, the outlet of the expansion valve is connected with the inlet of the liquid storage device through a pipeline, the outlet of the liquid storage device is connected with the inlet of the three-way flow regulating valve through a pipeline, two outlets of the three-way flow regulating valve are respectively connected with the inlet of the air-cooled condenser and the inlet of the water-cooled condenser through pipelines; the outlet of the expansion valve is connected with the inlet of the compressor through a pipeline, and a one-way valve is arranged on the pipeline between the outlet of the expansion valve and the inlet of the compressor; the outlet of the evaporator is connected with the inlet of the compressor through a pipeline, and a hot gas bypass valve is arranged on the pipeline between the outlet of the evaporator and the inlet of the compressor; a one-way valve is arranged on a pipeline between two outlets of the three-way flow regulating valve and an inlet of the air-cooled condenser and an inlet of the water-cooled condenser; a heating pipe is arranged on the side surface of the evaporator; the controller is respectively connected with the compressor, the fan, the three-way flow regulating valve and the heating pipe through leads.
Furthermore, a liquid sight glass and a dry filter are arranged on a pipeline between the outlet of the expansion valve and the inlet of the liquid reservoir.
Furthermore, a first electromagnetic valve is arranged on a pipeline between the outlet of the expansion valve and the inlet of the compressor, and the first electromagnetic valve is connected with the controller through a lead.
And furthermore, a second electromagnetic valve is arranged on a pipeline between the outlet of the water-cooled condenser and the inlet of the compressor, and the second electromagnetic valve is connected with the controller through a lead.
Furthermore, the air-cooled condenser comprises a first air-cooled condenser and a second air-cooled condenser, the first air-cooled condenser is connected with the second air-cooled condenser in parallel, a third electromagnetic valve is arranged at the outlet of the first air-cooled condenser, a fourth electromagnetic valve is arranged at the outlet of the second air-cooled condenser, and the third electromagnetic valve and the fourth electromagnetic valve are respectively connected with the controller through leads.
Furthermore, the evaporator comprises a first evaporator and a second evaporator, the first evaporator is connected with the second evaporator in parallel, a one-way valve is arranged at an inlet of the second evaporator, a fifth electromagnetic valve is arranged at an outlet of the second evaporator, and the fifth electromagnetic valve is connected with the controller through a lead.
The technical effects of the utility model: the low-temperature dehumidifier combines sensible heat defrosting, hot gas bypass defrosting and electric heating defrosting, three defrosting modes are mutually matched and mutually influenced, the defrosting problem of the low-temperature dehumidifier can be effectively solved, and the problems of poor defrosting effect and high energy consumption of the traditional low-temperature dehumidifier are solved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The reference signs explain: 1. the air-liquid separator comprises a gas-liquid separator, 2, a first one-way valve, 3, a liquid viewing mirror, 4, a first electromagnetic valve, 5, a drying filter, 6, a compressor, 7, a liquid storage device, 8, a second one-way valve, 9, a three-way flow regulating valve, 10, a second electromagnetic valve, 11, a water-cooling condenser, 12, a water flow regulating valve, 13, a fan, 14, a controller, 15, a third one-way valve, 16, a third electromagnetic valve, 17, a first air-cooling condenser, 18, a fourth electromagnetic valve, 19, a second air-cooling condenser, 20, a fourth one-way valve, 21, a hot gas bypass valve, 22, an expansion valve, 23, a first evaporator, 24, a heating pipe, 25, a second evaporator, 26, a fifth one-way valve, 27, a fifth electromagnetic valve, 28 and an air filter.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a low-temperature dehumidifier coupled with defrosting includes a compressor 6, a gas-liquid separator 1, a first evaporator 23, a second evaporator 25, a heating pipe 24, an expansion valve 22, a liquid viewing mirror 3, a drying filter 5, a liquid reservoir 7, a three-way flow regulating valve 9, a first air-cooled condenser 17, a second air-cooled condenser 19, a water-cooled condenser 11, a fan 13, and a controller 14. The first evaporator 23, the second evaporator 25, the first air-cooled condenser 17, the second air-cooled condenser 19, and the fan 13 are disposed in one airflow path, with the first evaporator 23, the second evaporator 25 being located upstream, and the fan 13 being located downstream. An outlet of the compressor 6 is connected with an inlet of the gas-liquid separator 1 through a pipeline, an outlet of the gas-liquid separator 1 is respectively connected with an inlet of the first evaporator 23 and an inlet of the second evaporator 25 through pipelines, an outlet of the first evaporator 23 and an outlet of the second evaporator 25 are respectively connected with an inlet of the expansion valve 22 through a pipeline, an outlet of the expansion valve 22 is connected with an inlet of the liquid receiver 7 through a pipeline, the liquid viewing mirror 3 and the drying filter 5 are connected in series on a pipeline between an outlet of the expansion valve 22 and an inlet of the liquid receiver 7, an outlet of the liquid receiver 7 is connected with an inlet of the three-way flow regulating valve 9 through a pipeline, one outlet of the three-way flow regulating valve 9 is respectively connected with an inlet of the first air-cooled condenser 17 and an inlet of the second air-cooled condenser 19 through a pipeline, the other outlet of the three-way, The outlets of the water-cooled condensers 11 are respectively connected with the inlets of the compressors 6 through pipelines. Wherein, the outlet of the expansion valve 22 is connected with the inlet of the compressor 6 through a pipeline, and a first one-way valve 2 is arranged on the pipeline between the outlet of the expansion valve 22 and the inlet of the compressor 6. The outlet of the first evaporator 23 is connected with the inlet of the compressor 6 through a pipeline, and a hot gas bypass valve 21 is arranged on the pipeline between the outlet of the first evaporator 23 and the inlet of the compressor 6. A third one-way valve 15 and a fourth one-way valve 20 are respectively arranged on a pipeline between one outlet of the three-way flow control valve 9 and the inlets of the first air-cooled condenser 17 and the second air-cooled condenser 19, and a second one-way valve 8 is arranged on a pipeline between the other outlet of the three-way flow control valve 9 and the inlet of the water-cooled condenser 11. A fifth one-way valve 26 is arranged on a pipeline between the outlet of the gas-liquid separator 1 and the inlet of the second evaporator 25. The heating pipe 24 is interposed between the first evaporator 23 and the second evaporator 25. A first electromagnetic valve 4 is further arranged on a pipeline between the outlet of the expansion valve 22 and the inlet of the compressor 6, a second electromagnetic valve 10 is arranged on a pipeline between the outlet of the water-cooled condenser 11 and the inlet of the compressor 6, a third electromagnetic valve 16 and a fourth electromagnetic valve 18 are respectively arranged on pipelines between the first air-cooled condenser 17, the second air-cooled condenser 19 and the inlet of the compressor 6, and a fifth electromagnetic valve 27 is arranged on a pipeline between the outlet of the second evaporator 25 and the inlet of the expansion valve 22. A water outlet of the water-cooled condenser 11 is provided with a water flow regulating valve 12. The controller 14 is respectively connected with the compressor 6, the three-way flow regulating valve 9, the heating pipe 24, the fan 13, the first electromagnetic valve 4, the second electromagnetic valve 10, the third electromagnetic valve 16, the fourth electromagnetic valve 18, the fifth electromagnetic valve 27 and the water flow regulating valve 12 through leads. All components may be mounted within a frame body.
The working principle of the coupled defrosting low-temperature dehumidifier is as follows: when the dehumidifier operates in a low-temperature environment, the hot gas bypass valve 21 adjusts the bypass flux of hot gas according to the front-back pressure difference, so that the effect of effectively improving the evaporation pressure can be achieved, and the frosting of the evaporators (comprising the first evaporator 23 and the second evaporator 25) can be relieved; when the evaporation pressure is lower than a set value, the first electromagnetic valve 4 (sensible heat electromagnetic valve) is opened, part of hot gas bypasses the expansion valve 22 through a bypass path, and the exhaust gas of the compressor 6 is introduced into the evaporator through the expansion valve 22 for defrosting; in addition, when the temperature of the evaporator fins is lower than a set value, the defrosting electric heating pipes 24 are opened in stages to further defrost. The three defrosting modes are mutually matched and mutually influenced, so that the defrosting problem of the low-temperature dehumidifier is effectively solved, and the problems of poor defrosting effect and high energy consumption of the traditional low-temperature dehumidifier are solved.
Claims (6)
1. The utility model provides a low temperature dehumidifier of coupling defrosting which characterized in that: the system comprises a compressor, a gas-liquid separator, an evaporator, an expansion valve, a liquid reservoir, a three-way flow regulating valve, an air-cooled condenser, a water-cooled condenser, a fan and a controller, wherein the evaporator, the air-cooled condenser and the fan are arranged in an air flow channel; the outlet of the compressor is connected with the inlet of the gas-liquid separator through a pipeline, the outlet of the gas-liquid separator is connected with the inlet of the evaporator through a pipeline, the outlet of the evaporator is connected with the inlet of the expansion valve through a pipeline, the outlet of the expansion valve is connected with the inlet of the liquid storage device through a pipeline, the outlet of the liquid storage device is connected with the inlet of the three-way flow regulating valve through a pipeline, two outlets of the three-way flow regulating valve are respectively connected with the inlet of the air-cooled condenser and the inlet of the water-cooled condenser through pipelines; the outlet of the expansion valve is connected with the inlet of the compressor through a pipeline, and a one-way valve is arranged on the pipeline between the outlet of the expansion valve and the inlet of the compressor; the outlet of the evaporator is connected with the inlet of the compressor through a pipeline, and a hot gas bypass valve is arranged on the pipeline between the outlet of the evaporator and the inlet of the compressor; a one-way valve is arranged on a pipeline between two outlets of the three-way flow regulating valve and an inlet of the air-cooled condenser and an inlet of the water-cooled condenser; a heating pipe is arranged on the side surface of the evaporator; the controller is respectively connected with the compressor, the fan, the three-way flow regulating valve and the heating pipe through leads.
2. The low temperature dehumidifier coupled with defrosting of claim 1, wherein: a liquid viewing lens and a dry filter are arranged on a pipeline between the outlet of the expansion valve and the inlet of the liquid reservoir.
3. The coupled defrosting low temperature dehumidifier according to claim 1 or 2, wherein: and a first electromagnetic valve is also arranged on a pipeline between the outlet of the expansion valve and the inlet of the compressor and is connected with the controller through a lead.
4. The low temperature dehumidifier of claim 3, wherein: and a second electromagnetic valve is arranged on a pipeline between the outlet of the water-cooled condenser and the inlet of the compressor, and the second electromagnetic valve is connected with the controller through a lead.
5. The low temperature dehumidifier of claim 4, wherein: the air-cooled condenser comprises a first air-cooled condenser and a second air-cooled condenser, the first air-cooled condenser is connected with the second air-cooled condenser in parallel, a third electromagnetic valve is arranged at the outlet of the first air-cooled condenser, a fourth electromagnetic valve is arranged at the outlet of the second air-cooled condenser, and the third electromagnetic valve and the fourth electromagnetic valve are respectively connected with the controller through leads.
6. The low temperature dehumidifier of claim 5, wherein: the evaporator comprises a first evaporator and a second evaporator, the first evaporator is connected with the second evaporator in parallel, a one-way valve is arranged at an inlet of the second evaporator, a fifth electromagnetic valve is arranged at an outlet of the second evaporator, and the fifth electromagnetic valve is connected with the controller through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922098708.6U CN210921634U (en) | 2019-11-29 | 2019-11-29 | Low-temperature dehumidifier of coupling defrosting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922098708.6U CN210921634U (en) | 2019-11-29 | 2019-11-29 | Low-temperature dehumidifier of coupling defrosting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210921634U true CN210921634U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922098708.6U Active CN210921634U (en) | 2019-11-29 | 2019-11-29 | Low-temperature dehumidifier of coupling defrosting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210921634U (en) |
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2019
- 2019-11-29 CN CN201922098708.6U patent/CN210921634U/en active Active
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