CN110715468A - Heat pump temperature-regulating dehumidifier - Google Patents

Heat pump temperature-regulating dehumidifier Download PDF

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Publication number
CN110715468A
CN110715468A CN201911104984.7A CN201911104984A CN110715468A CN 110715468 A CN110715468 A CN 110715468A CN 201911104984 A CN201911104984 A CN 201911104984A CN 110715468 A CN110715468 A CN 110715468A
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CN
China
Prior art keywords
temperature
compressor
pipeline
heat pump
reheater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201911104984.7A
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Chinese (zh)
Inventor
王春华
霍建强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Keteng Environmental Technology Co Ltd
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Jiangsu Keteng Environmental Technology Co Ltd
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Publication date
Application filed by Jiangsu Keteng Environmental Technology Co Ltd filed Critical Jiangsu Keteng Environmental Technology Co Ltd
Priority to CN201911104984.7A priority Critical patent/CN110715468A/en
Publication of CN110715468A publication Critical patent/CN110715468A/en
Withdrawn legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses a heat pump temperature-regulating dehumidifier, which comprises a refrigerating system, a heat pump system and a temperature-regulating dehumidifying system; the refrigerating system comprises an evaporator and a reheater which are arranged at the indoor part, and a compressor, a four-way reversing valve and a condenser which are arranged at the outdoor part and connected in series in sequence; in the temperature-adjusting and dehumidifying process, an electromagnetic valve for short connection of a reheater is closed, an outdoor condensing fan adopts a frequency conversion technology, and indoor reheating adopts a mode of adjusting heat in sections, so that the temperature and humidity of air supplied by a unit can be accurately simulated; high-temperature and high-pressure refrigerant steam pressed out by the compressor is condensed outdoors and then is connected in series into an indoor reheater system, and the refrigerant steam exchanges heat with low-temperature saturated air which is cooled and dehumidified by an evaporator indoors in an indoor reheater, so that the temperature can be rapidly increased, and the indoor temperature can be rapidly increased.

Description

Heat pump temperature-regulating dehumidifier
Technical Field
The invention relates to a heat pump temperature-regulating dehumidifier.
Background
Most of the dehumidifiers in the market at present are temperature-raising type dehumidifiers, and some temperature-regulating type dehumidifiers can control temperature regulation, but all of the dehumidifiers have the defects of temperature rise through weak condensation heat in winter, or temperature rise through electric heating with large energy consumption, and the temperature regulation and dehumidification in all seasons cannot be really realized through an energy-saving mode.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a heat pump temperature-regulating dehumidifier.
A heat pump temperature-regulating dehumidifier comprises a main system, wherein the main system comprises an evaporator arranged at an indoor part, a compressor, a four-way reversing valve and a condenser which are arranged at an outdoor part and are sequentially connected in series; the main system operates in the forward direction as a refrigerating system, reversely implements the main system as a heat pump system through a four-way reversing valve, and adds a reheater on the original refrigerating system as a temperature-adjusting dehumidifying system.
One end of the evaporator is connected with the condenser through a refrigeration pipeline, and the refrigeration pipeline is provided with a liquid storage device, a drying filter, a sight glass and an expansion valve which are sequentially connected in series; the other end of the evaporator is connected with a second inlet of the four-way reversing valve through a gas return pipeline; the second outlet of the four-way reversing valve is connected with the inlet of the vapor-liquid separator through a first pipeline, the outlet of the vapor-liquid separator is connected with the compressor, and the outlet of the compressor is connected with the first inlet of the four-way reversing valve; the first pipeline is also connected with a second pipeline, the second pipeline is connected with the compressor in parallel, the second pipeline is provided with an energy regulating valve, and the tail end of the second pipeline is connected with a first inlet of the four-way reversing valve; a first outlet of the four-way reversing valve is connected with one end of the condenser; the other end of the condenser is connected with a reheater, and an outlet of the reheater is connected with the liquid storage device through a one-way valve.
And the inlet and the outlet of the reheater are also in short connection through an electromagnetic valve and a one-way valve.
Preferably, the condenser is an air-cooled condenser.
Preferably, temperature and humidity sensors are arranged on the indoor part and the outdoor part.
Preferably, the left end of the compressor is provided with a low pressure gauge and a low pressure sensor, and the right end of the compressor is provided with a high pressure gauge and a high pressure sensor.
Preferably, an inlet of the reheater is provided with a first branch pipe and a second branch pipe, and the first branch pipe and the second branch pipe are both provided with electromagnetic valves.
Has the advantages that:
condensing reheating is connected into a unit system in series, an outdoor condensing fan adopts a frequency conversion technology, and indoor reheating adopts a mode of adjusting heat in a segmented mode, so that the temperature and humidity of air supplied by the unit are accurately simulated; when the air conditioner is used in a transition season, the electromagnetic valve for the short circuit of the reheater is closed, so that a part of air volume generated by the condenser is forced to enter the reheater, the reheating effect of the reheater is achieved, the temperature can be rapidly increased, and the indoor temperature is rapidly increased.
The energy regulating valve is adopted to solve the problem that the evaporator is easy to freeze when the unit is in a transition season or the temperature is low and the humidity is high and the unit can meet the requirements only by adopting refrigeration and dehumidification; when the compressor is used, when the power which can be provided by the compressor is far more than the actually required power, if the compressor is still operated at constant power, the surface of the evaporator can be frozen; in order to prevent the phenomenon, the energy regulating valve is opened at the moment, so that a part of gas flows away through the second pipeline to reduce the air inflow of the compressor, thereby avoiding the phenomenon of icing on the surface of the evaporator.
Drawings
FIG. 1 is a schematic diagram of the overall connection relationship of a heat pump temperature-regulating dehumidifier;
1. the system comprises a liquid storage device 2, an energy regulating valve 3, a gas-liquid separator 4, a compressor 5, an electromagnetic valve 6, a stop valve 7, a low pressure meter 8, a low pressure sensor 9, a high pressure sensor 10, a high pressure meter 11, a four-way reversing valve 12, a one-way valve 13, a drying filter 14, an expansion valve 15, a flow inspection mirror 16, a condensing fan 17, a condenser 18, a temperature and humidity sensor 19, an evaporator 20, a reheater 21, a blower 22 and an electric cabinet.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1, the heat pump temperature-regulating dehumidifier is composed of a liquid reservoir 1, an energy regulating valve 2, a vapor-liquid separator 3, a compressor 4, a plurality of electromagnetic valves 5, a plurality of stop valves 6, a low-pressure meter 7, a low-pressure sensor 8, a high-pressure sensor 9, a high-pressure meter 10, a four-way reversing valve 11, a plurality of one-way valves 12, a drying filter 13, an expansion valve 14, a flow-viewing mirror 15, a condensing fan 16, a condenser 17, a temperature and humidity sensor 18, an evaporator 19, a reheater 20, a blower 21, an electric cabinet 22 and other parts.
The refrigeration system of the heat pump temperature-regulating dehumidifier comprises an evaporator 19 arranged in the indoor part, and a compressor 4, a four-way reversing valve 11 and a condenser 17 which are arranged in the outdoor part and are connected in series in sequence;
one end of the evaporator 19 is connected with the condenser 17 through a refrigeration pipeline, and the refrigeration pipeline is provided with a liquid storage device 1, a drying filter 13, a sight glass 15, a liquid supply electromagnetic valve, an expansion valve 14 and a one-way valve which are sequentially connected in series; the other end of the evaporator 19 is connected with the four-way reversing valve 11 through a gas return pipeline and is connected with the compressor 4 through the gas-liquid separator 3; the condenser 17 passes through a refrigeration pipeline and is connected with the compressor 4 through a four-way reversing valve 11; the first inlet of the four-way reversing valve 11 is connected with the compressor 4, the first outlet is connected with one end of the air-cooled condenser 17, the second outlet is connected with the inlet of the vapor-liquid separator 3, and the second inlet is connected with the air return pipe of the evaporator. And an energy regulating valve 2 is also arranged on a pipeline between one end of the gas-liquid separator 3 and the four-way reversing valve 11 and a pipeline between the compressor 4 and the four-way reversing valve 11.
And a high-pressure gauge high-pressure sensor and a low-pressure gauge low-pressure sensor are respectively arranged on pipelines between the compressor and the four-way reversing valve and between the compressor and the gas-liquid separator. Through high low-pressure table and high low-pressure sensor to the pipeline pressure state of real-time supervision compressor, in order to guarantee the normal work of compressor, if the pressure value that high low-pressure sensor detected surpasss or is less than when the setting value, the electric cabinet control compressor shuts down, prevents the occurence of failure.
An axial flow fan is arranged on one side of the condenser 17 of the outdoor part;
the compressor 4, the four-way reversing valve 11, the energy regulating valve 2, the liquid storage device 1, the vapor-liquid separator 3, the drying filter 13, the sight glass 15, the liquid supply electromagnetic valve and the one-way valve which are sequentially connected in series are all arranged at the outdoor part.
This heat pump type dehumidifier that adjusts temperature has following benefit:
firstly, a condenser 17 and a reheater 20 are connected in series into a unit system, an outdoor condensing fan 16 adopts a frequency conversion technology, and indoor reheating adopts a way of adjusting heat in sections, so that the temperature and humidity of unit air supply are accurately simulated;
secondly, when the temperature needs to be raised in winter, the heat pump is adopted for operation, and the reheater 20 is adopted for starting, so that the phenomenon that the temperature is raised by electric heating in the prior art and a large amount of heat energy is lost is avoided;
thirdly, the energy regulating valve 2 is adopted to solve the problem that the evaporator 19 is easy to freeze when the unit is in a transition season or the temperature is low and the humidity is high and the unit can meet the requirements only by adopting refrigeration and dehumidification;
and fourthly, the heat exchange capacity of the evaporator 19 and the condenser 17 is enhanced by optimizing the pipeline design, so that the capacity of the unit for coping with extreme high temperature and low temperature is increased.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (5)

1. A heat pump temperature-regulating dehumidifier is characterized by comprising a main system; the main system comprises an evaporator arranged at the indoor part, and a compressor, a four-way reversing valve and a condenser which are arranged at the outdoor part and connected in series in sequence;
one end of the evaporator is connected with the condenser through a refrigeration pipeline, and the refrigeration pipeline is provided with a liquid storage device, a drying filter, a sight glass and an expansion valve which are sequentially connected in series; the other end of the evaporator is connected with a second inlet of the four-way reversing valve through a gas return pipeline; the second outlet of the four-way reversing valve is connected with the inlet of the vapor-liquid separator through a first pipeline, the outlet of the vapor-liquid separator is connected with the compressor, and the outlet of the compressor is connected with the first inlet of the four-way reversing valve; the first pipeline is also connected with a second pipeline, the second pipeline is connected with the compressor in parallel, the second pipeline is provided with an energy regulating valve, and the tail end of the second pipeline is connected with a first inlet of the four-way reversing valve; a first outlet of the four-way reversing valve is connected with one end of the condenser; the other end of the condenser is connected with the reheater, and the inlet and the outlet of the reheater are in short connection through the electromagnetic valve and the one-way valve.
2. The heat pump temperature-regulating dehumidifier according to claim 1, wherein said condenser is an air-cooled condenser.
3. The heat pump temperature-regulating dehumidifier according to claim 1, wherein temperature and humidity sensors are disposed at both the indoor portion and the outdoor portion.
4. The heat pump temperature-regulating dehumidifier according to claim 1, wherein a low pressure gauge and a low pressure sensor are provided at a left end of the compressor, and a high pressure gauge and a high pressure sensor are provided at a right end of the compressor.
5. The heat pump temperature-regulating dehumidifier according to claim 1, wherein a first branch pipe and a second branch pipe are provided at an inlet of the reheater, and the first branch pipe and the second branch pipe are provided with electromagnetic valves.
CN201911104984.7A 2019-11-13 2019-11-13 Heat pump temperature-regulating dehumidifier Withdrawn CN110715468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911104984.7A CN110715468A (en) 2019-11-13 2019-11-13 Heat pump temperature-regulating dehumidifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911104984.7A CN110715468A (en) 2019-11-13 2019-11-13 Heat pump temperature-regulating dehumidifier

Publications (1)

Publication Number Publication Date
CN110715468A true CN110715468A (en) 2020-01-21

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CN201911104984.7A Withdrawn CN110715468A (en) 2019-11-13 2019-11-13 Heat pump temperature-regulating dehumidifier

Country Status (1)

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CN (1) CN110715468A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114704881A (en) * 2022-01-24 2022-07-05 江苏科腾环境科技有限公司 Constant temperature and humidity device for important storehouse
CN115111673A (en) * 2022-05-21 2022-09-27 浙江迪贝电气股份有限公司 Compressed air freezing dehumidification energy-saving device for motor production equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114704881A (en) * 2022-01-24 2022-07-05 江苏科腾环境科技有限公司 Constant temperature and humidity device for important storehouse
CN115111673A (en) * 2022-05-21 2022-09-27 浙江迪贝电气股份有限公司 Compressed air freezing dehumidification energy-saving device for motor production equipment

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Application publication date: 20200121

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