CN204806546U - Warm system of air source heat pump roof radiation direct expansion cooling - Google Patents

Warm system of air source heat pump roof radiation direct expansion cooling Download PDF

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Publication number
CN204806546U
CN204806546U CN201520478701.6U CN201520478701U CN204806546U CN 204806546 U CN204806546 U CN 204806546U CN 201520478701 U CN201520478701 U CN 201520478701U CN 204806546 U CN204806546 U CN 204806546U
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China
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heat pump
air source
source heat
cooling
air
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CN201520478701.6U
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郭卫强
田琦
赵晓刚
马萧萧
董旭
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Shanxi Hengxing Ruibang Heat Supply Co Ltd
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Shanxi Hengxing Ruibang Heat Supply Co Ltd
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Abstract

The utility model provides a warm system of air source heat pump roof radiation direct expansion cooling comprises air source heat pump off -premises station, capillary copper pipe network and dehumidifier, the dehumidifier is linked together through flexible coupling and air source heat pump off -premises station, capillary copper pipe network sets up between heat insulation layer and heat accumulation layer, and the both sides port is linked together through the trachea mouth and the liquid mouth of pipe of flexible coupling with the air source heat pump off -premises station respectively to lay on indoor roof surface course. This system utilizes the renewable energy in the air to the refrigerant is cold and hot matchmaker, carries out the heat exchange through the mode of radiation, has indoor temperature and distributes evenly, and perpendicular difference in temperature gradient is little, characteristics that heat exchange efficiency is high.

Description

Air source heat pump chilled ceiling panel directly evaporates for cooling/warming system
Technical field
The utility model relates to a kind of air source heat pump for cooling/warming system, and especially a kind of air source heat pump chilled ceiling panel be arranged on indoor top board directly evaporates for cooling/warming system.
Background technology
Conventional fan coil cooling unit mainly carries out heat exchange by convection type, often causes the inequality of temperature and the imbalance of heat.Fan coil cooling warms up indoor temperature field, velocity field distributional difference is large, on the section near fan coil wind speed large, obtain cold or heat more; And little away from the region wind speed of fan coil, obtain cold, heat is less.In Practical Project system, as room area is large, adopt air-conditioning easily to cause separation disc pipe immediate area to cross cold or overheated, do not reach the phenomenon of air-conditioning cold thermal requirement compared with far region.The noise that fan coil indoor fan causes can have influence on occupant and have a rest normally night.
Along with the raising that people require comfortableness, increasing user tends to use floor heating to carry out heating in the winter time, and in summer, most user still adopts conventional air conditioning mode to freeze.Summer and winter adopts two cover systems, makes the economy of whole system poor.
Floor radiant cooling warms up mode compared with traditional convection current air conditioning mode, has the advantages that comfortableness is strong and energy-conservation.Flooring radiation heating system is used widely in the northern area of China, and for being mainly used in the southern area of radiation cooling in summer, during floor radiant cooling cold surface under, convection heat transfer' heat-transfer by convection is more weak, chilling requirement can be greater than top board cooling, in addition, the comfort level of floor radiant cooling is contrary to the healthy principle of " warm of pin is cool ".
Cold-producing medium in copper pipe directly evaporation expand after cooling-air be direct expansion system, the water that refrigerant cools is crossed is sent to each room and room air, and to carry out heat exchange be indirect expansion type system.The energy of direct expansion system transmits channel and is: cold-producing medium → room air; The energy of indirect expansion type system transmits channel and is: cold-producing medium → water → room air.Direct expansion system decreases a heat exchange than indirect expansion type system, and do not have other heat conveyance power consumption, system pipeline parts are also simplified, and comply with power conservation requirement.Adopt cold-producing medium directly to evaporate for changes in temperature, with traditional with water be medium indirect evaporation type system compared with, lacked an intermediate heat transfer process, compression ratio reduces, and unit efficiency improves.
Radiant heating technology and radiation refrigeration technology is utilized to carry out indoor heating and refrigeration respectively; thermal comfort is high; as heat resource equipment, there is advantage that is safe and reliable to operation, energy-efficient, environmental protection with air source heat pump; advocate the policy guide of low-carbon economy, protection of the environment, energy-saving and emission-reduction in country under, air source heat pump chilled ceiling panel directly evaporates for cooling/warming system main for one of changes in temperature mode by what become from now on.
Summary of the invention
The purpose of this utility model is for the above-mentioned existing deficiency existed for cooling/warming system, provides a kind of air source heat pump chilled ceiling panel directly to evaporate for cooling/warming system.
To achieve these goals, the utility model is achieved through the following technical solutions.
A kind of air source heat pump chilled ceiling panel directly evaporates for cooling/warming system, comprises air source heat pump off-premises station, capillary brass pipe net and dehumidifier; It is characterized in that:
Described dehumidifier is positioned at indoor vertical plane body of wall top, and be connected by the inlet/outlet pipe corresponding to air source heat pump off-premises station that be flexible coupling;
Described capillary brass pipe net is arranged between heat insulation layer and recuperation layer, and its both sides port is connected with the liquid mouth of pipe respectively by the gas tube orifice corresponding to air source heat pump heat pump outdoor unit that be flexible coupling, and level is layed on indoor corresponding top layer face;
Described air source heat pump off-premises station is made up of air source heat pump and capillary brass pipe net radiation cooling heating system thereof and air source heat pump and dehumidifier fresh air dehumidifying system thereof;
Described air source heat pump and capillary brass pipe net radiation cooling heating system thereof be connected with a mouth of four-way change-over valve by the outlet of the first compressor, import is connected with one end of gas-liquid separator, the other end of gas-liquid separator is connected with the c mouth of four-way change-over valve; Be connected with the d mouth of four-way change-over valve by one end of the outdoor air heat exchanger of blower fan, the other end is connected with capillary brass pipe one end of air heat source off-premises station through the first expansion valve, the b mouth of four-way change-over valve is connected with the off-premises station capillary brass pipe other end and forms, and air source heat pump is communicated with capillary brass pipe net radiating layer and realizes for changes in temperature;
Described air source heat pump and dehumidifier fresh air dehumidifying system thereof be connected with the import of the first motor-driven valve by the outlet of the second compressor, the import of the second compressor is connected with gas returning port; One end of the outdoor air heat exchanger of blower fan is communicated with the first motor-driven valve, and the other end is connected with inlet with the second expansion valve by the second motor-driven valve, air source heat pump is communicated with dehumidifier and realizes fresh air dehumidification.
Wherein, described outdoor air heat exchanger take cold-producing medium as the direct-evaporation-type air source heat pump system of cold and hot matchmaker, and realize for changes in temperature by cold-producing medium at coil pipe internal circulation flow; Described air source heat pump chilled ceiling panel is carry out in indoor heating or cooling for cooling/warming system; Described dehumidifier and capillary brass pipe net are that parallel communication is in air heat source off-premises station; Described control system is electrically connected with humidity sensor, temperature sensor, temperature controller and humidity controller, and control air source heat pump chilled ceiling panel directly evaporates and for cooling/warming system, indoor carried out to cooling warm color tone joint and switched.
Realize above-mentioned the provided a kind of air source heat pump chilled ceiling panel of the utility model for cooling/warming system, compared with prior art, the advantage that this chilled ceiling panel has for cooling/warming system and good effect as follows.
First be healthy comfortable.Native system mainly carries out heat exchange by radiation mode, and evenly, fluctuate little, large area is heated simultaneously for radiant panel surface and indoor temperature distribution, temperature everywhere in Integral lifting room, vertical temperature-difference gradient is little, and without temperature dead angle, heat exchange efficiency is high, Blower-free noise, does not produce blowing feeling, and comfort level is higher.
Next is energy-conserving and environment-protective.Native system mainly utilizes the regenerative resource in air, cold-producing medium direct expansion system decreases a heat exchange than succinct expansion type system, there is no other heat conveyance power consumption, further increase Energy Efficiency Ratio, compared with convection current cooling (warming up), radiation cooling (warming up) indoor design temperature can improve (reduction) 2 DEG C, reduces design total load.Summer and winter shares a set of indoor heating system, greatly reduces initial cost.
Finally safety, long service life.Native system does not have water, does not have the trouble and worry that water is revealed, and there is not the danger of bursting by freezing in winter yet.Radiant tube main material adopts oxygen-free copper, corrosion-resistant, high temperature resistant, high pressure resistant, and system is succinct, and parts are few, greatly reduce out of order possibility.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model.
In figure: 1: outdoor air heat exchanger; 2: blower fan; 3: four-way change-over valve; 4: gas-liquid separator; 5: the first compressors; 6: the second compressors; 7: the first motor-driven valves; 8: the second motor-driven valves; 9: the first expansion valves; 10: the second expansion valves; 11: air source heat pump off-premises station; 12: be flexible coupling; 13, dehumidifier; 14: capillary brass pipe net; 15: indoor; 16: humidity sensor; 17: temperature sensor; 18: temperature controller; 19: humidity controller.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is further illustrated.
As described in Figure 1, implement above-mentioned the provided a kind of air source heat pump chilled ceiling panel of the utility model for cooling/warming system, comprise air source heat pump off-premises station 11, capillary brass pipe net 14, dehumidifier 13 and control system thereof; Wherein dehumidifier 13 of the present utility model is arranged at the design attitude on the vertical face wall of heating indoor, and its inlet/outlet pipe is connected by 12 inlet/outlet pipes corresponding to air source heat pump off-premises station 11 that are flexible coupling, air source heat pump is communicated with dehumidifier and realizes fresh air dehumidification; Control system is electrically connected with humidity sensor 16, temperature sensor 17, temperature controller 18 and humidity controller 19, and control air source heat pump chilled ceiling panel directly evaporates and carries out cooling warm color tone joint and switching for cooling/warming system to indoor 15.
Capillary brass pipe net 14 of the present utility model is arranged between heat insulation layer and recuperation layer, and the port of its capillary brass pipe net 14 both sides 12 to be connected with the liquid mouth of pipe with the gas tube orifice of air source heat pump off-premises station 11 respectively by being flexible coupling, and be layed on indoor top board surface layer, air source heat pump is communicated with capillary brass pipe net radiating layer and realizes for changes in temperature.
Air source heat pump off-premises station 11 of the present utility model is made up of air source heat pump and capillary brass pipe net radiation cooling heating system thereof and air source heat pump and dehumidifier fresh air dehumidifying system thereof.
Be about on the wall of 1m indoor apart from ground, choose correct position mounting temperature sensor 17, in indoor, humidity sensor 16 is installed on vertical face wall top, and temperature controller 18, temperature sensor 17, humidity sensor 16, humidity controller 19 is coupled together with in-house operation panel by connection.The utility model system uses PLC centralized automatic control system, can Remote or line control system work.
Air source heat pump wherein and capillary brass pipe net radiation cooling heating system thereof be led to by the outlet of the first compressor 5 be connected with a mouth of four-way change-over valve 3, the import of the first compressor 5 is connected with one end of gas-liquid separator 4, the other end of gas-liquid separator 4 is connected with the c mouth of four-way change-over valve 3; Be connected with the d mouth of four-way change-over valve 3 by one end of the outdoor air heat exchanger 1 of blower fan 2, the other end is connected with capillary brass pipe one end of off-premises station through the first expansion valve 9, the b mouth of four-way change-over valve 3 is connected with the off-premises station capillary brass pipe other end and forms, and air source heat pump is communicated with capillary brass pipe net radiating layer and realizes for changes in temperature;
Air source heat pump wherein and dehumidifier fresh air dehumidifying system thereof be connected with the import of the first motor-driven valve 7 by the outlet of the second compressor 6, the import of the second compressor 6 is connected with gas returning port; One end of the outdoor air heat exchanger 1 of blower fan 2 is connected with the first motor-driven valve 7, and the other end is connected with inlet with the second expansion valve 10 by the second motor-driven valve 8, air source heat pump is communicated with dehumidifier and realizes fresh air dehumidification.
When stating technical scheme on the implementation, air source heat pump system adopts direct-evaporation-type air source heat pump system, namely be cold and hot matchmaker with cold-producing medium, realize for changes in temperature by cold-producing medium at coil pipe internal circulation flow, when arranging, dehumidifier 13 and capillary brass pipe net 14 are connected in parallel setting, the cooling/warming system that supplies of the present utility model can be used for heating, and also can be used for cooling, the two gets both.
When cooling in summer works, system is making refrigerating operaton, the refrigerant gas of low-temp low-pressure is sucked by compressor 5 refrigerant gas that rear pressurization becomes HTHP, the refrigerant gas of HTHP is by four-way change-over valve 3a, 3d interface laggard enter outdoor air heat exchanger 1 condensation heat release become the liquid of middle temperature high pressure, the liquid of middle temperature high pressure becomes the liquid of low-temp low-pressure again after expansion valve 9 reducing pressure by regulating flow, the gas of low-temp low-pressure is become after the liquid of low-temp low-pressure enters indoor capillary brass pipe net 14 evaporation endothermic, the gas of low-temp low-pressure is by four-way change-over valve 3b, sucked by compressor 5 again after 3c interface and gas-liquid separator 4, circulation like this.Indoor temperature change generated in case situation monitored by temperature sensor 17, and feedback signal is calibrated to temperature controller 18 and design temperature, and temperature controller 18 is again according to calibration result release signal control system semen donors.
When cooling in summer works, for avoiding condensation, tackling new wind and dehumidifying.Dehumidification process: motor-driven valve 7, motor-driven valve 8 expansion valve 10 are opened; The refrigerant gas of low-temp low-pressure is sucked by compressor 6 refrigerant gas that rear pressurization becomes HTHP, the refrigerant gas of HTHP by motor-driven valve 7 laggard enter outdoor air heat exchanger 1 condensation heat release become the liquid of middle temperature high pressure, the liquid of middle temperature high pressure by after motor-driven valve 8 through expansion valve 10 reducing pressure by regulating flow be the liquid of low-temp low-pressure, the liquid of low-temp low-pressure enters the gas that dehumidifier 13 evaporation endothermic (new air cooling is dried) becomes low-temp low-pressure, the gas of low-temp low-pressure is sucked by compressor 6 again, and so circulation is carried out.Indoor humidity situation of change monitored by humidity sensor 16, and feedback signal is calibrated to humidity controller 19 and setting humidity, and humidity controller 19 controls dehumidification system semen donors according to calibration result release signal again.
In the winter time during heating work, the refrigerant gas of low-temp low-pressure is sucked by compressor 5 refrigerant gas that rear pressurization becomes HTHP, the refrigerant gas of HTHP is by four-way change-over valve 3a, the laggard interior capillary brass pipe net 14 condensation heat release of entering the room of 3b interface becomes the liquid of middle temperature high pressure, the liquid of middle temperature high pressure becomes the liquid of low-temp low-pressure again after expansion valve 9 reducing pressure by regulating flow, the liquid refrigerant of low-temp low-pressure enters evaporation endothermic in outdoor air heat exchanger 1 and becomes the gas of low-temp low-pressure, the gas refrigerant of low-temp low-pressure is by four-way change-over valve 3d, compressor 5 is got back to after 3c interface and gas-liquid separator 4, circulation like this.Indoor temperature change generated in case situation monitored by temperature sensor 17, and feedback signal is calibrated to temperature controller 18 and design temperature, and temperature controller 18 is again according to calibration result release signal control system heating load.
The utility model air source heat pump chilled ceiling panel directly evaporates and comprises cooling heating subsystem and fresh air dehumidifying system for cooling/warming system.Radiant panel and dehumidifier are connected in parallel, summer radiant panel and dehumidifier mutual association effect, the waste heat in decontamination chamber and remaining wet; Winter, dehumidifier turned off, and only used radiant panel heat supply.The front four-way change-over valve of radiant panel, by changing the flow channel of cold-producing medium, change refrigerant flow direction, the effect of conversion Summer and winter air-conditioning system condenser and evaporimeter: cooling in summer agent liquid evaporation endothermic in the capillary brass pipe net of indoor becomes gas, heat release in the outdoor air heat exchanger of air source heat pump off-premises station, for indoor cooling; Winter refrigeration agent liquid evaporates and absorbs external heat in the outdoor air heat exchanger of air source heat pump off-premises station, and heat release in indoor capillary brass pipe net, for indoor heating.

Claims (4)

1. air source heat pump chilled ceiling panel directly evaporates for a cooling/warming system, comprises air source heat pump off-premises station (11), capillary brass pipe net (14), dehumidifier (13) and control system; It is characterized in that:
Described dehumidifier (13) is the vertical plane body of wall top being positioned at indoor (15), and is connected by the corresponding inlet/outlet pipe of (12) and air source heat pump off-premises station (11) that is flexible coupling;
Described capillary brass pipe net (14) is arranged between heat insulation layer and recuperation layer, its both sides port is connected with the liquid mouth of pipe with the corresponding gas tube orifice of air source heat pump heat pump outdoor unit (11) respectively by be flexible coupling (12), and level is layed on corresponding top layer face, indoor (15);
Described air source heat pump off-premises station (11) is made up of air source heat pump and capillary brass pipe net radiation cooling heating system thereof and air source heat pump and dehumidifier fresh air dehumidifying system thereof;
Described air source heat pump and capillary brass pipe net radiation cooling heating system thereof be connected with a mouth of four-way change-over valve (3) by the outlet of the first compressor (5), import is connected with one end of gas-liquid separator (4), the other end of gas-liquid separator (4) is connected with the c mouth of four-way change-over valve (3); Be connected with the d mouth of four-way change-over valve (3) by one end of the outdoor air heat exchanger (1) of blower fan (2), the other end is connected through the first expansion valve (9) capillary brass pipe one end with air heat source off-premises station (11), the b mouth of four-way change-over valve (3) is connected with the off-premises station capillary brass pipe other end and forms, and air source heat pump is communicated with capillary brass pipe net radiating layer and realizes for changes in temperature;
Described air source heat pump and dehumidifier fresh air dehumidifying system thereof be connected with the import of the first motor-driven valve (7) by the outlet of the second compressor (6), the import of the second compressor (6) is connected with gas returning port; One end of the outdoor air heat exchanger (1) of blower fan (2) is connected with the first motor-driven valve (7), the other end is connected with inlet with the second expansion valve (10) by the second motor-driven valve (8), air source heat pump is communicated with dehumidifier (13) and realizes fresh air dehumidification;
Described control system is electrically connected with humidity sensor (16), temperature sensor (17), temperature controller (18) and humidity controller (19), and control air source heat pump chilled ceiling panel directly evaporates and carries out cooling warm color tone joint and switching for cooling/warming system to indoor (15).
2. air source heat pump chilled ceiling panel as claimed in claim 1 directly evaporates for cooling/warming system, it is characterized in that: described outdoor air heat exchanger (1) take cold-producing medium as the direct-evaporation-type air source heat pump system of cold and hot matchmaker, and realized for changes in temperature at coil pipe internal circulation flow by cold-producing medium.
3. air source heat pump chilled ceiling panel as claimed in claim 1 directly evaporates for cooling/warming system, it is characterized in that: described air source heat pump chilled ceiling panel is carry out heating or cooling in indoor (15) for cooling/warming system.
4. air source heat pump chilled ceiling panel as claimed in claim 1 directly evaporates for cooling/warming system, it is characterized in that: described dehumidifier (13) and capillary brass pipe net (14) are that parallel communication is in air heat source off-premises station (11).
CN201520478701.6U 2015-07-06 2015-07-06 Warm system of air source heat pump roof radiation direct expansion cooling Active CN204806546U (en)

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CN201520478701.6U CN204806546U (en) 2015-07-06 2015-07-06 Warm system of air source heat pump roof radiation direct expansion cooling

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107782015A (en) * 2016-08-31 2018-03-09 上海黑曼能源科技有限公司 Air-source ecology cooling/warming system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107782015A (en) * 2016-08-31 2018-03-09 上海黑曼能源科技有限公司 Air-source ecology cooling/warming system

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