CN107289563A - Reheating type heat pump recuperation of heat air-conditioner set - Google Patents

Reheating type heat pump recuperation of heat air-conditioner set Download PDF

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Publication number
CN107289563A
CN107289563A CN201710634000.0A CN201710634000A CN107289563A CN 107289563 A CN107289563 A CN 107289563A CN 201710634000 A CN201710634000 A CN 201710634000A CN 107289563 A CN107289563 A CN 107289563A
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China
Prior art keywords
air
reheater
heat pump
evaporator
condenser
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CN201710634000.0A
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Chinese (zh)
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荣国华
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Rong Xuanping
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荣国华
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Priority to CN201710634000.0A priority Critical patent/CN107289563A/en
Publication of CN107289563A publication Critical patent/CN107289563A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001Compression cycle type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00Use of energy recovery systems in air conditioning, ventilation or screening
    • 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
    • F25B41/40Fluid line arrangements
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56Heat recovery units

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses reheating type heat pump recuperation of heat air-conditioner set, it includes wind pushing box, air exhaust box, heat pump, wind pushing box is outdoor fresh air, interior is sent to after indoor return air processing, air exhaust box arranges the air of foul indoor to outdoor, the evaporator of heat pump, reheater is mounted in wind pushing box, during refrigeration, for to outdoor fresh air, indoor return air cool-down dehumidification and reheating, when heating, evaporator is converted into condenser, for heating air, the condenser of heat pump is mounted in air exhaust box, during refrigeration, heat extraction into indoor exhaust wind and outdoor fresh air, when heating, it is converted into evaporator, absorb the heat in indoor exhaust wind and outdoor fresh air, due to condenser, reheater is connected in heat pump, control valve quantity on heat pump is reduced, system architecture is simple, it is reliable, the cold and hot amount of indoor exhaust wind and the condensation heat of heat pump are recycled utilization, energy-saving effect is notable, this air-conditioner set carries Cooling and Heat Source, refrigeration station is not needed, boiler room provides air conditioner cold and hot water, it can replace the air-conditioner set with surface cooler, air-conditioning system is simplified.

Description

Reheating type heat pump recuperation of heat air-conditioner set
Technical field
The invention belongs to field of heating ventilation air conditioning, and in particular to the air-conditioner set of energy recovery is carried out using heat pump.
Background technology
At present, the recovery of air conditioning air exhaust heat energy generally uses rotary-type, plate-fin, and heat exchange efficiency is low, air draft and fresh air it Between have infiltration and contact, fresh air is polluted, it is unhygienic, in addition, this kind of air-conditioner set does not possess Cooling and Heat Source, to increase heat exchange Equipment, Cooling and Heat Source is provided by outside.
Patent No. ZL201210055160.7 patent of invention《Heat pump recuperation of heat air-conditioner set》Propose " heat type again Heat pump recuperation of heat air-conditioner set ", its reheater is connected in parallel in heat pump pipeline with condenser, respectively with electric control valve point With refrigerant flow, but electric control valve is seamed valve, and refrigerant is easily revealed, and electrically operated valve has movable member, is held It is fragile, therefore the invention system is complicated, poor reliability, easily breaks down.
The content of the invention
Control valve is used no or little it is an object of the invention to provide one kind, it is rational in infrastructure, simple system, reliable Reheating type heat pump recuperation of heat air-conditioner set.
The present invention solution be:Reheating type heat pump recuperation of heat air-conditioner set includes wind pushing box, air exhaust box, heat pump system System.Wind pushing box includes fresh wind port, return air inlet, air outlet, pressure fan, evaporator, reheater.Air exhaust box includes air inlet, fresh air Mouth, exhaust outlet, condenser, exhaust blower.Heat pump includes compressor, condenser, reheater, evaporator, expansion throttling device, four Logical reversal valve, servicing unit.
When equipment is run, outdoor fresh air and return air are by pressure fan suction draft case, by heat pump evaporator Cool-down dehumidification(Summer)Or heating(Winter), then by the reheating of reheater(Summer), air is processed to the parameter of setting, logical Cross supply air system and be sent to each air conditioning area.Indoor exhaust wind and outdoor fresh air suck air exhaust box by exhaust blower, by heat pump The heating of condenser(Summer)Or cooling(Winter)Discharge afterwards outdoor.
During heat pump summer operation, because indoor air temperature is lower than outdoor, cooled down using indoor exhaust wind and outdoor fresh air The condenser of heat pump in air exhaust box, cold is absorbed by condenser.In wind pushing box, outdoor fresh air and indoor return air are by heat pump After the evaporator cool-down dehumidification of system, then it is sent to after the reheating of reheater air-conditioned room.So, the system of heat pump is passed through SAPMAC method, has recycled the cold and heat pump condensation heat in indoor exhaust wind.
When heat pump winter works, condenser, the reheater of heat pump are converted to evaporator, because of Interior Space temperature Degree is higher than outdoor, and the condenser in air exhaust box is heated using indoor exhaust wind and outdoor fresh air, and heat is absorbed by condenser.In air-supply In case, the evaporator of heat pump is converted to condenser, and outdoor fresh air and indoor return air are sent to after evaporator heat temperature raising Air-conditioned room, now, reheater do not work.So, circulation is heated by heat pump, recycled in indoor exhaust wind Heat and heat pump condensation heat.
Condenser, reheater are connected on the pipeline of heat pump.When heat pump kind of refrigeration cycle, both are condensation Device, high-temperature high-pressure refrigerant is in the heat release wherein into air, in air exhaust box, and condenser is put into outdoor fresh air and indoor exhaust wind Heat, in wind pushing box, reheater is heated to the indoor return air after cool-down dehumidification, outdoor fresh air, and air-supply is brought up to from dew-point temperature Temperature, condensation heat is recycled utilization.When heat pump heats circulation, both are converted to evaporator, low-temperature low-pressure refrigerant Absorbed heat wherein from air, in air exhaust box, condenser absorbs heat from outdoor fresh air and indoor exhaust wind, in wind pushing box, then Hot device is not worked, and indoor return air, outdoor fresh air are not handled, can install abat-vent additional in the both sides of reheater, and sets bypass air channel, Make air without reheater, and pass through from bypass air channel, or set reheater bypass pipe, it is ensured that low-temperature low-pressure refrigerant without Reheater is crossed, and is flowed away from bypass pipe, when such air passes through reheater, will not occur temperature change.Pass through above method, room Interior air draft, the heat energy of refrigerant condensation heat are recycled utilization, realize the purpose of energy-conservation.
Brief description of the drawings
Fig. 1 is monoblock type reheating type heat pump recuperation of heat air-conditioner set structural map(1)
Fig. 2 is monoblock type reheating type heat pump recuperation of heat air-conditioner set structural map(2)
Fig. 3 is heat pump figure(1)
Fig. 4 is heat pump figure(2)
Fig. 5 is heat pump figure(3)
Fig. 6 is the heat pump figure with bypass pipe and check valve(4)
Fig. 7 is the heat pump figure with bypass pipe and check valve(5)
Fig. 8 is the heat pump figure with bypass pipe and check valve(6)
Fig. 9 is split type reheating type heat pump recuperation of heat air-conditioner set structural map
Figure 10 is two pipes system multiple heat pump figure(1)
Figure 11 is two pipes system multiple heat pump figure(2)
Figure 12 is three control multiple heat pump figures(3)
Figure 13 is four-pipe system multiple heat pump figure(4)
Figure 14 is three control multiple reheating type heat pump recuperation of heat air-conditioner set structural maps
Description of reference numerals:
1st, wind pushing box, 2, air exhaust box, 3,17, fresh wind port, 4, return air inlet, 5, filter, 6, pressure fan, 7, dividing plate, 8, evaporator, 9th, refrigerant circulation pipe, 10, baffle valve, 11, reheater, 12, bypass air-valve, 13, humidifier, 14, water fender, 15, air outlet, 16th, air inlet, 18, condenser, 19, compressor, 20, exhaust blower, 21, exhaust outlet, 22, deep bead, 23, keep out the wind roller shutter, 24, 25th, four-way reversing valve, 26, reservoir, 27,35,39,40, device for drying and filtering, 28, liquid-sighting glass, 29,38, expansion throttling device, 30, Gas-liquid separator, 31,46, bypass pipe, 32,33,44,45, check valve, 34,42, electric control valve, 36, first circulation house steward, 37th, second circulation house steward, 41, heat circulation house steward, the 43, reheater outlet header, the 47, the 3rd circulation house steward.
Specific implementation method
Fig. 1 is a kind of monoblock type heat pump recuperation of heat air-conditioner set structural map, and the equipment includes wind pushing box 1, air exhaust box 2, heat pump system System, power distribution control system.Casing is made of materials such as steel plates, is incubated with insulation materials such as polyurethane.Casing is provided with inspection Door, is easy to personnel to enter maintenance and maintenance in cartonning.Disconnected between wind pushing box 1 and air exhaust box 2 by dividing plate 7, paste insulation material, prevent Wind and heat exchange are altered between fresh air and air draft.Wind pushing box 1, air exhaust box 2 can make monoblock type, and required equipment is arranged on In one complete casing, the air-conditioner set of monoblock type is not readily transportable, installs and overhauls, but saves material;It can also make It is sectionally assembled, the equipment of difference in functionality is placed in several functional sections, several small box are made, to scene after spell again Dress up an entirety.For example:In wind pushing box 1, fresh wind port 3, return air inlet 4, filter 5 are made air intake hybrid filtering section, with this Analogize, blower section, evaporator section, humidifying air-supplying section can be made.Air exhaust box 2 can make air intake hybrid filtering section, condenser section, Heat pump main frame and electric cabinet section, exhaust blower section.Every section can dismantle assembling, be readily transported, install and overhaul.Wind pushing box 1, air draft Case 2 can add other functional sections, such as additional electric heater section, air sterillization section, muffler section, maintenance section as needed.Reheater 11 abat-vent is baffle valve 10, mounted in the both sides of reheater 11, is closed after baffle valve 10, by reheater 11 be incubated it is closed every It is disconnected, do not occur heat exchange with air.
Heat pump host machine part(The equipment such as compressor 19)It can be placed in casing, can also put outside the enclosure, evaporator 8, The equipment such as reheater 11, condenser 18, refrigerant circulation pipe 9 are located in casing.Evaporator 8, reheater 11, condenser 18 are used The heat exchanger of the forms such as direct-expansion type structure coil pipe, it is ensured that refrigerant evaporates and condensed wherein, heat exchanger copper pipe and aluminum fin-stock Make.Expansion throttling device 29 generally uses electric expansion valve, is adapted to the regulation of heat pump varying capacity.There is reservoir in heat pump 26th, the servicing unit such as device for drying and filtering 27, liquid-sighting glass 28, gas-liquid separator 30.
The electric cabinet of power distribution control system can hang outside the enclosure equipped with controller, display, controller switching equipment etc., also can be embedding In cartonning body, or with casing split set, various distribution and control device and line distribution are in casing.Pass through each of dividing plate 7 Encapsulation process should be done by planting pipeline, prevent from leaking out.
When summer equipment works, in wind pushing box 1, the work of the fresh air and indoor return air of outdoor high temperature high humidity in pressure fan 6 Under, enter from fresh wind port 3 and return air inlet 4 in cartonning, by the dust removal and filtration of filter 5 after mixing, by pressure fan 6, pass through evaporation Device 8, by cool-down dehumidification to dew-point temperature, then by the reheating of reheater 11, after the humiture for reaching setting, send from air outlet 12 To air conditioning area, now, the standard-sized sheet of baffle valve 10, bypass air-valve 12 is closed, whole air by reheater 11, bypass air-valve 12 with Reheater 11 is connected, and positioned at same position in wind pushing box 1;In air exhaust box 2, outdoor fresh air and indoor exhaust wind are in exhaust blower In the presence of 20, enter from air inlet 16, fresh wind port 17 in cartonning, by the dust removal and filtration of filter 5 after mixing, by condenser 18, It is heated up, then outdoor is drained into by exhaust blower 20, exhaust outlet 21.Now, heat pump carries out kind of refrigeration cycle, in wind pushing box In 1, the evaporation endothermic of evaporator 8 is blown by cool-down dehumidification, then by the reheating of reheater 11, in air exhaust box 2, outdoor high temperature fresh air with After indoor low temperature air draft mixing, condensation temperature is reduced, condenser 18 is cooled by indoor and outdoor air, cold in indoor exhaust wind Amount and the condensation heat of heat pump are recycled.
When winter equipment works, heat pump carries out heating circulation, and system has carried out change working, and evaporator 8 is converted into Condenser condensation heat release, reheater 11, condenser 18 are converted into evaporator evaporation heat absorption.In wind pushing box 1, outdoor low temperature Fresh air and indoor return air are entered in cartonning from fresh wind port 3 and return air inlet 4, removed after mixing by filter 5 in the presence of pressure fan 6 Dirt is filtered, and by pressure fan 6, by evaporator 8, is heated up, now, air does not need reheating, and reheater 11 does not work, Baffle valve 10 is closed, and bypasses the standard-sized sheet of air-valve 12, whole air are by bypassing air-valve 12.There is insulation material on the blade of baffle valve 10, After closing, sealed thermal insulating space is formed around reheater 11, it is to avoid hot-air and the heat exchange of reheater 11.If air humidity It is low, also need humidifier 13 to humidify, after the humiture for reaching setting, air conditioning area is sent to from air outlet 15 by water fender 14; In air exhaust box 2, outdoor fresh air and indoor exhaust wind in the presence of exhaust blower 20, indoor exhaust wind from air inlet 16, outdoor fresh air from Fresh wind port 17 enters in cartonning, by the dust removal and filtration of filter 5 after mixing, by condenser 18, and be cooled cooling, then passes through exhaust blower 20th, exhaust outlet 21 drains into outdoor, after outdoor low temperature fresh air is mixed with indoor high temperature air draft, improves evaporating temperature, indoor exhaust wind In heat be recycled.
When transition season equipment works, heat pump is out of service, and return air inlet 4 is closed in wind pushing box 1, fresh wind port 3, air-supply Mouth 15 is opened, and pressure fan 6 is run;Fresh wind port 17 is closed in air exhaust box 2, and air inlet 16, exhaust outlet 21 are opened, and exhaust blower 20 is transported OK, air-conditioner set carries out all-fresh air operation.
When equipment is run, the controller switching equipment of power distribution control system is heat pump, pressure fan 6, exhaust blower 20, electronic air quantity Regulating tuyere, automatic control system provide power supply.Heat pump is varying capacity system, and compressor 19 is variable conpacitance compressor, is sent Blower fan 6, exhaust blower 20 are frequency control blower fan, and fresh wind port 3,17, return air inlet 4, air inlet 16 are electronic air quantity regulating tuyere, Can be using manually, electrically dual-purpose variable air rate regulating tuyere.Automatic control equipment is according to the change of indoor and outdoor air parameter, control pressure The capacity of contracting machine 19, automatically adjusts the refrigerating capacity or heating capacity of heat pump, the rotating speed of control pressure fan 6 and exhaust blower 20, The aperture in each air port, automatically adjusts air quantity, it is ensured that the efficient and stable operation of air-conditioner set.There is control in automatic control system The equipment such as device, display, sensor, actuator, generally using microcomputer control(Such as PLC), with autonomous setup parameter, The functions such as fault detect, automatic alarm, can also pass through computer keyboard, mouse long by touch-screen field control Control, and network control is realized by LAN, internet, mobile phone A PP.
In the said equipment, return air inlet 4 is carried in wind pushing box 1, indoor return air can be handled, it is empty that the unit is applied to full air Adjusting system, air conditioning system with variable, such as megastore, office building.When without return air inlet 4, the equipment is all-fresh air air-conditioning Unit, blows as all-fresh air, sanitation and hygiene, it is adaptable to the higher hotel of air sanitary standard, hospital.
Fig. 2 is another monoblock type reheating type heat pump recuperation of heat air-conditioner set structural map, and it and Fig. 1 difference is, reheating The abat-vent of device 11 is deep bead 22 or the roller shutter 23 that keeps out the wind.Deep bead 22 is the warming plate that can be dismounted, installed in reheater 11 both sides.The roller shutter 23 that keeps out the wind is the insulation material that can be collapsed, installed in the both sides of reheater 11, it is necessary to when keeping out the wind, put down Roller shutter, not the used time roll.
Fig. 3,4,5 are the heat pump figure of above-mentioned reheating type heat pump recuperation of heat air-conditioner set.The exhaust outlet of compressor 19 in Fig. 3 It is connected with the Single port of four-way reversing valve 24, air entry passes through servicing unit gas-liquid separator 30 and the another port of four-way reversing valve 24 Connection;The one end of condenser 18 is connected with four-way reversing valve 24, and the other end is connected with reheater 11;The one end of reheater 11 and condenser 18 connections, the other end is connected with four-way reversing valve 25;The one end of four-way reversing valve 25 is connected with reheater 11, the other end and expansion joint Flow the connection of the servicing units such as device 29, reservoir 26, device for drying and filtering 27, liquid-sighting glass 28;After the throttling of expansion throttling device 29, again It is connected with four-way reversing valve 25, the other end of four-way reversing valve 25 is connected with evaporator 8;Commutated with four-way one end of evaporator 8 Valve 25 is connected, and the other end is connected with four-way reversing valve 24.
What Fig. 3 was carried out is kind of refrigeration cycle, and reheater 11, condenser 18 are connected in heat pump, is all now condensation Device, a part of condensation heat is discharged by condenser 18 into outdoor fresh air, indoor exhaust wind, and another part condensation heat passes through reheater 11 discharge into outdoor fresh air, indoor return air, to air reheating.Refrigerant circulating process is such:19 → four-way of compressor 27 → liquid-sighting glass of reversal valve 24 → condenser, 18 → reheater, 11 → four-way reversing valve, 25 → reservoir, 26 → device for drying and filtering 28 30 → compressor of → expansion throttling device 29 → four-way reversing valve, 25 → evaporator, 8 → four-way reversing valve, 24 → gas-liquid separator 19. How the condenser heat of refrigerant distributes in condenser 18, reheater 11 to be realized by adjusting blower fan wind speed, work as reheating When the calorific requirement of device 11 is reduced, the wind speed of exhaust blower 20 is improved, the aperture of big fresh wind port 17 is opened, resh air requirement is increased, refrigerant is cold Heat dissipation capacity in condenser 18 also just increases;When 11 calorific requirement increase of reheater, the wind speed of exhaust blower 20 is reduced, small fresh wind port is opened 17 aperture, reduces resh air requirement, and heat dissipation capacity of the refrigerant in condenser 18 is also just reduced.
What Fig. 4 was carried out is to heat circulation, and reheater 11, condenser 18 are converted into evaporator, and both are still to be connected on In heat pump, evaporator 8 is converted into condenser, now, and air does not need reheating in wind pushing box 1, and reheater 11 does not work, and uses Abat-vent is closed, and bypasses the standard-sized sheet of air-valve 12, and whole air are by bypassing air-valve 12, and condenser 18 is from outdoor fresh air, indoor row Absorbed heat in wind.Refrigerant circulating process is such:8 → four-way reversing valve of compressor 19 → four-way reversing valve, 24 → evaporator 25 25 → reheater of → reservoir 26 → device for drying and filtering, 27 → liquid-sighting glass, 28 → expansion throttling, 29 → four-way reversing valve of device 11 → cold 30 → compressor of condenser 18 → four-way reversing valve, 24 → gas-liquid separator 19.
Reheater 11, condenser 18 there occurs with respect to the position of Fig. 3,4 in heat pump in Fig. 5 exchanges change, freezes During circulation, high temperature and high pressure gaseous refrigerant is introduced into reheater 11 and radiated, and then enters back into condenser 18 and radiates;Heat circulation When, low-temp low-pressure liquid refrigerant is introduced into condenser 18 and absorbed heat, and then enters back into reheater 11, and now reheater 11 is closed Do not work, the endothermic process of refrigerant is completed in condenser 18 completely.During due to kind of refrigeration cycle, high temperature and high pressure gaseous refrigerant Reheater 11 is introduced into radiate, the condenser heat of refrigerant how to be distributed in condenser 18, reheater 11 it is relatively difficult, it is necessary to Special process design is taken to realize, such as:The area of dissipation of reheater 11 is allowed to can adjust, can be kept out the wind roller shutter 23 by regulation Area is kept out the wind to realize.
Fig. 6,7,8 are increasing in the heat pump figure of another several forms of above-mentioned reheating type heat pump recuperation of heat air-conditioner set, figure Bypass pipe 31, check valve 32,33, electric control valve 34 are added.Bypass pipe 31 is connected in parallel on heat pump with reheater 11 in Fig. 6 In, check valve 32 is carried on bypass pipe 31, reheater 11 carries check valve 33, and what Fig. 6 was carried out is kind of refrigeration cycle, and refrigerant is followed Ring process is such:33 → four-way of compressor 19 → four-way reversing valve, 24 → condenser, 18 → reheater, 11 → check valve commutates 25 → evaporator of valve 25 → reservoir, 26 → device for drying and filtering, 27 → liquid-sighting glass, 28 → expansion throttling, 29 → four-way reversing valve of device 8 → 24 → gas-liquid separator of four-way reversing valve, 30 → compressor 19.Now check valve 32 is in blocking state, and check valve 33 is in and opened Logical state, high-temperature high-pressure refrigerant radiates into reheater 11.
Fig. 7 be Fig. 6 heat pumps carry out be to heat circulation, refrigerant circulating process is such:Compressor 19 → tetra- Logical reversal valve 24 → evaporator, 8 → four-way reversing valve, 25 → reservoir, 26 → device for drying and filtering, 27 → liquid-sighting glass, 28 → expansion throttling 30 → compressor of device 29 → four-way reversing valve, 25 → check valve, 32 → condenser, 18 → four-way reversing valve, 24 → gas-liquid separator 19. Now check valve 32 is in opening state, and low-temp low-pressure liquid refrigerant all by bypass pipe 31, absorbs heat into condenser 18, And check valve 33 is in blocking state, low-temp low-pressure liquid refrigerant can not be by reheater 11, therefore, and reheater 11 is no longer needed Abat-vent is wanted, bypass air-valve 12 is also without the structure of equipment more simplifies.
Reheater 11, condenser 18 there occurs with respect to the position of Fig. 6,7 in heat pump in Fig. 8 exchanges change, freezes During circulation, high temperature and high pressure gaseous refrigerant is introduced into reheater 11 and radiated, and then enters back into condenser 18 and radiates, and now adjusts other The aperture of electric control valve 34 on siphunculus 31, regulation enters the refrigerant flow of reheater 11, so as to adjust the reheating of reheater 11 Amount;When heating circulation, low-temp low-pressure liquid refrigerant is introduced into condenser 18 and absorbed heat, the standard-sized sheet of electric control valve 34, check valve 33 In blocking state, low-temp low-pressure liquid refrigerant does not enter reheater 11, and now reheater 11 does not work, the heat absorption of refrigerant Process is completed in condenser 18 completely, therefore such heat pump is also without abat-vent and bypass air-valve 12.
Fig. 9 wind pushing box 1 and air exhaust box 2 are split type connections, when equipment is dispatched from the factory, evaporator 8, reheater 11 and condenser 18th, the refrigerant circulation pipe 9 of heat pump main frame connection is to disconnect and sealed, and during in-site installation, refrigerant circulation pipe 9 passes through Snap joint is connected.Two casings can arrange more flexible according to different positions are placed on the need for user, for example can be Air exhaust box 2 is placed on roof, saves floor space, reduces the influence of unit noise.
Figure 10 is a kind of multiple heat pump figure, and it is that one and many air exhaust boxes 2 connect 2 and above wind pushing box 1, Condenser 18 is still to be connected in series with reheater 11, is to be connected in parallel between the reheater 11 in every wind pushing box 1, every steaming Hair device 8 carries swollen with main pipe rail on the servicing units such as expansion throttling device 38, device for drying and filtering 39,40, first circulation house steward 36 The servicing units such as swollen flow controller 29 and reservoir 26, device for drying and filtering 27,35, liquid-sighting glass 28.The heat pump of air exhaust box 2 in figure Heat pump part between the heat pump part of part and wind pushing box 1, wind pushing box 1 is connected by two refrigerant circulation house stewards Connect, they are:First circulation house steward 36, second circulation house steward 37, the unit are referred to as two pipes system multiple reheating type Heat Pump and returned Receive air-conditioner set.The exhaust outlet of compressor 19 and the first port of four-way reversing valve 24(Compressor discharge port)Connection, air entry leads to Cross servicing unit gas-liquid separator 30 and the port of four-way reversing valve 24 the 3rd(Compressor suction port)Connection;The one end of condenser 18 With the second port of four-way reversing valve 24(Condenser port)Connection, the other end and the main pipe rail expansion joint on first circulation house steward 36 Flow the connection of the servicing unit such as device 29 and reservoir 26, device for drying and filtering 27,35, liquid-sighting glass 28;The one end of first circulation house steward 36 with The other end connection of condenser 18, the other end is connected with one end of two and above reheater 11;One end of reheater 11 and first The other end for circulating house steward 36 is connected, and expansion throttling device 38, device for drying and filtering 39,40 that the other end is carried with evaporator 8 etc. are auxiliary Device is helped to connect;The one end of evaporator 8 passes through servicing unit and the reheating such as the expansion throttling device 38, the device for drying and filtering 39,40 that carry The other end connection of device 11, the other end is connected with second circulation house steward 37;Steamed with two and the above one end of second circulation house steward 37 Send out the other end connection of device 8, the other end and the port of four-way reversing valve 24 the 4th(Evaporator port)Connection.
What Figure 10 was carried out is kind of refrigeration cycle, and the first port of four-way reversing valve 24 is connected with second port, the 3rd port Connected with the 4th port, refrigerant circulating process is such:19 → four-way reversing valve of compressor, 24 → condenser 18 → drying Filter 35 → expansion throttling device 29 → liquid-sighting glass, 28 → device for drying and filtering, 27 → reservoir, 26 → reheater, 11 → dry filter Device 39 → expansion throttling device 38 → device for drying and filtering, 40 → evaporator, 8 → four-way reversing valve, 24 → gas-liquid separator, 30 → compressor 19, the now standard-sized sheet of main pipe rail expansion throttling device 29, the expansion throttling device 38 that evaporator 8 is carried is in throttle, HTHP Refrigerant first radiates in condenser 18, then heats air in reheater 11.When heat pump carries out heating circulation, hair Raw change working, the first port of four-way reversing valve 24 is connected with the 4th port, second port is connected with the 3rd port, reheater 11st, condenser 18 is converted into evaporator, and evaporator 8 is converted into condenser, and refrigerant circulating process is such:Compressor 19 → 39 → reheater of four-way reversing valve 24 → evaporator, 8 → device for drying and filtering, 40 → expansion throttling, 38 → device for drying and filtering of device 11 → storage Liquid device 26 → device for drying and filtering, 27 → liquid-sighting glass, 28 → expansion throttling device 29 → device for drying and filtering, 35 → condenser, 18 → four-way is changed To 24 → gas-liquid separator of valve, 30 → compressor 19, now expansion throttling device 38 is standard-sized sheet or fine setting state, into reheater 11 Refrigerant be non-cryogenic refrigerant, the air for entering reheater 11 can be heated, but cooling processing is not done, main pipe rail is swollen Swollen flow controller 29 is in throttle, and therefore, reheater 11 can not set abat-vent, and bypass air-valve 12 is not set.
Figure 11 is also two pipes system multiple reheating type heat pump recuperation of heat air-conditioner set, and it is that one and many air exhaust boxes 2 connect Connect 2 and above wind pushing box 1, condenser 18 is still to be connected in series with reheater 11, the reheater 11 in every wind pushing box 1 it Between be to be connected in parallel, every evaporator 8 is with servicing units such as expansion throttling device 38, devices for drying and filtering 39,40, and first circulation is total The servicing unit such as main pipe rail expansion throttling device 29 and reservoir 26, device for drying and filtering 27,35, liquid-sighting glass 28 is carried on pipe 36.Figure Heat pump part between the heat pump part of middle air exhaust box 2 and the heat pump part of wind pushing box 1, wind pushing box 1 passes through Two refrigerant circulation house steward connections, they are:First circulation house steward 36, second circulation house steward 37, the unit are referred to as two pipes system Multiple reheating type heat pump recuperation of heat air-conditioner set.Difference with Figure 10 is that every reheater 11 carries check valve 33, and simultaneously A bypass pipe 31 is associated with, thereon with check valve 32.The exhaust outlet of compressor 19 is connected with the first port of four-way reversing valve 24, is inhaled Gas port is connected by servicing unit gas-liquid separator 30 with the port of four-way reversing valve 24 the 3rd;Commutated with four-way the one end of condenser 18 The second port of valve 24 is connected, the other end and the main pipe rail expansion throttling device 29 and reservoir 26 on first circulation house steward 36, drying The servicing units such as filter 27,35, liquid-sighting glass 28 are connected;The one end of first circulation house steward 36 is connected with the other end of condenser 18, The other end is connected with one end of two and above reheater 11 and bypass pipe 31;One end of reheater 11 and first circulation house steward 36 The other end and bypass pipe 31 one end connection, expansion throttling device 38 that the other end and evaporator 8 are carried, device for drying and filtering 39, The other end connection of 40 grade servicing units and bypass pipe 31;The one end of evaporator 8 passes through the expansion throttling device 38, the dry filter that carry The servicing units such as device 39,40 are connected with the other end of reheater 11, bypass pipe 31, the other end and one end of second circulation house steward 37 Connection;The one end of second circulation house steward 37 is connected with the other end of two and above evaporator 8, the other end and four-way reversing valve 24 the Four ports are connected.
What Figure 11 was carried out is kind of refrigeration cycle, and the first port of four-way reversing valve 24 is connected with second port, the 3rd port Connected with the 4th port, refrigerant circulating process is such:19 → four-way reversing valve of compressor, 24 → condenser 18 → drying 11 → check valve of filter 35 → expansion throttling device 29 → liquid-sighting glass, 28 → device for drying and filtering, 27 → reservoir, 26 → reheater 33 → device for drying and filtering 39 → expansion throttling device 38 → device for drying and filtering, 40 → evaporator, 8 → four-way reversing valve, 24 → gas-liquid separator 30 → compressor 19, the now standard-sized sheet of main pipe rail expansion throttling device 29, expansion throttling device 38 is in throttle, and check valve 32 is resistance Disconnected state, check valve 33 is opening state, and high-temperature high-pressure refrigerant first radiates in condenser 18, then heated in reheater 11 Air.When heat pump carries out heating circulation, occurs change working, the first port of four-way reversing valve 24 connects with the 4th port Logical, second port is connected with the 3rd port, and reheater 11, condenser 18 are converted into evaporator, and evaporator 8 is converted into condenser, Refrigerant circulating process is such:Compressor 19 → four-way reversing valve, 24 → evaporator, 8 → device for drying and filtering, 40 → expansion joint Flow device 38 → device for drying and filtering, 39 → check valve, 32 → reservoir, 26 → device for drying and filtering, 27 → liquid-sighting glass, 28 → expansion throttling device 29 → device for drying and filtering, 35 → condenser, 18 → four-way reversing valve, 24 → gas-liquid separator, 30 → compressor 19, now expansion throttling Device 38 is standard-sized sheet or fine setting state, and main pipe rail expansion throttling device 29 is in throttle, and check valve 32 is opening state, check valve 33 be blocking state, and the no refrigerant of reheater 11 passes through, do not worked.Therefore, reheater 11 can not set abat-vent, not set side Ventilation valve 12.
As Figure 12 is another multiple heat pump figure, same to Figure 10,11, it is one and many connections of air exhaust boxes 22 Platform and above wind pushing box 1, condenser 18 is still to be connected in series with reheater 11, between the reheater 11 in every wind pushing box 1 It is to be connected in parallel, the heat pump in every wind pushing box 1 is all with a bypass pipe 31, and every reheater 11 all carries check valve 33, reheater 11 is connected in parallel in heat pump with bypass pipe 31, and every evaporator 8 carries expansion throttling device 38, device for drying and filtering 39th, the servicing unit such as 40, heats and main pipe rail expansion throttling device 29 and reservoir 26, device for drying and filtering is carried on circulation house steward 41 27th, the servicing unit such as liquid-sighting glass 28.Heat pump part, the wind pushing box of the heat pump part of air exhaust box 2 and wind pushing box 1 in figure Heat pump part between 1 is connected by three refrigerant circulation house stewards, and they are:First circulation house steward 36, second circulation House steward 37, circulation house steward 41 is heated, the unit is referred to as three control multiple reheating type heat pump recuperation of heat air-conditioner sets.Compressor 19 Exhaust outlet is connected with the first port of four-way reversing valve 24, and air entry passes through servicing unit gas-liquid separator 30 and four-way reversing valve 24 3rd port is connected;One end of condenser 18 is connected with the second port of four-way reversing valve 24, the other end and first circulation house steward 36, Heat one end connection of circulation house steward 41;One end of first circulation house steward 36 and the other end of condenser, heat circulation house steward 41 One end connection, the other end is connected with one end of two and above reheater 11;The one end of reheater 11 and first circulation house steward 36 Other end connection, the expansion throttling device that the other end is carried by one end of the check valve 33 that carries and bypass pipe 31, evaporator 8 38th, the servicing unit such as device for drying and filtering 39,40 is connected;One end of bypass pipe 31 and the other end, the evaporator 8 of reheater 11 are carried The connection of the servicing unit such as expansion throttling device 38, device for drying and filtering 39,40, the other end and heat the other end of circulation house steward 41 and connect Connect;The one end of evaporator 8 is another by the servicing units such as the expansion throttling device 38, the device for drying and filtering 39,40 that carry and reheater 11 One end, one end connection of bypass pipe 31, the other end are connected with one end of second circulation house steward 37;One end of second circulation house steward 37 It is connected with the other end of two and above evaporator 8, the other end is connected with the port of four-way reversing valve 24 the 4th;Heat circulation house steward 41 one end is connected with one end of first circulation house steward 36, the other end of condenser 18, and the other end with two and the above with bypassing The other end connection of pipe 31.
What Figure 12 was carried out is kind of refrigeration cycle, and first port is connected with second port, the 3rd port is connected with the 4th port, Refrigerant circulating process is such:11 → check valve of compressor 19 → four-way reversing valve, 24 → condenser, 18 → reheater 33 → 24 → gas-liquid separator of device for drying and filtering 39 → expansion throttling device 38 → device for drying and filtering, 40 → evaporator, 8 → four-way reversing valve 30 → compressor 19, now main pipe rail expansion throttling device 29 close, expansion throttling device 38 is in throttle, and check valve 33 is open-minded State.When heat pump carries out heating circulation, occurs change working, the first port of four-way reversing valve 24 connects with the 4th port Logical, second port is connected with the 3rd port, and reheater 11, condenser 18 are converted into evaporator, and evaporator 8 is converted into condenser, Refrigerant circulating process is such:Compressor 19 → four-way reversing valve, 24 → evaporator, 8 → device for drying and filtering, 40 → expansion joint Flow device 38 → device for drying and filtering, 39 → bypass pipe, 31 → reservoir, 26 → device for drying and filtering, 27 → liquid-sighting glass, 28 → expansion throttling device 29 → condenser, 18 → four-way reversing valve, 24 → gas-liquid separator, 30 → compressor 19, now check valve 33 be in blocking state, Reheater 11 does not work, and main pipe rail expansion throttling device 29 is in throttle, and expansion throttling device 38 is standard-sized sheet or fine setting state.
Figure 13 is another multiple heat pump figure, and it is that one and many air exhaust boxes 2 connect 2 and above wind pushing box 1, in figure, condenser 18 is still to be connected in series with reheater 11, be between the reheater 11 in every wind pushing box 1 it is in parallel even Connect, the refrigerant inlet of every reheater 11 carries electric control valve 42, is carried for distributing in refrigerant flow, heat pump With a check valve 44, bypass pipe 46 on piece reheater outlet header 43, a bypass pipe 46, reheater outlet header 43 With a check valve 45, every evaporator 8 is with the servicing units such as expansion throttling device 38, device for drying and filtering 40, the 3rd circulation The servicing unit such as main pipe rail expansion throttling device 29 and reservoir 26, device for drying and filtering 27, liquid-sighting glass 28 is carried on house steward 47.In figure Heat pump part between the heat pump part of air exhaust box 2 and the heat pump part of wind pushing box 1, wind pushing box 1 passes through four Root refrigerant circulation house steward connects, and they are:First circulation house steward 36, the circulation of second circulation house steward the 37, the 3rd house steward 47, reheating Device outlet header 43, the unit is referred to as four-pipe system multiple reheating type heat pump recuperation of heat air-conditioner set.The exhaust outlet of compressor 19 with The first port of four-way reversing valve 24 is connected, and air entry passes through servicing unit gas-liquid separator 30 and the port of four-way reversing valve 24 the 3rd Connection;The one end of condenser 18 is connected with the second port of four-way reversing valve 24, the other end and bypass pipe 46, first circulation house steward 36 One end is connected;One end of first circulation house steward 36 is connected with the other end of condenser 18, one end of bypass pipe 46, the other end and two One end connection of platform and above reheater 11;One end of reheater 11 passes through the electric control valve 42 carried and first circulation house steward 36 other end connection, the other end is connected with one end of reheater outlet header 43, and is connected in parallel on heat pump system with bypass pipe 46 In system;One end of reheater outlet header 43 is connected with the other end of two and above reheater 11, the other end and bypass pipe 46 The other end, the 3rd circulation house steward 47 one end connection;One end of bypass pipe 46 and one end of first circulation house steward 36, condenser 18 other end connection, the other end is connected with the other end of reheater outlet header 43, one end of the 3rd circulation house steward 47;3rd Circulation one end of house steward 47 is connected with the other end of reheater outlet header 43, bypass pipe 46, the other end and two and above evaporation The servicing units such as expansion throttling device 38, device for drying and filtering 39 that device 8 is carried are connected;Two and the one end of above evaporator 8 pass through from The servicing units such as expansion throttling device 38, the device for drying and filtering 39 of band with the 3rd circulation house steward 47 the other end be connected, the other end and One end connection of second circulation house steward 37;The one end of second circulation house steward 37 is connected with the other end of two and above evaporator 8, separately One end is connected with the port of four-way reversing valve 24 the 4th.
What Figure 13 was carried out is kind of refrigeration cycle, and first port is connected with second port, the 3rd port is connected with the 4th port, Refrigerant circulating process is such:Compressor 19 → four-way reversing valve, 24 → condenser, 18 → electric control valve, 42 → reheater 11 → check valve, 44 → reservoir, 26 → device for drying and filtering, 27 → liquid-sighting glass, 28 → expansion throttling, 29 → expansion throttling of device device 38 → 30 → compressor of device for drying and filtering 40 → evaporator, 8 → four-way reversing valve, 24 → gas-liquid separator 19, now reheater outlet is total The check valve of pipe 43 is that the check valve 45 on opening state, bypass pipe 46 is blocking state, and main pipe rail expansion throttling device 29 is in Standard-sized sheet or fine setting state, the expansion throttling device 38 that evaporator is carried is throttle.When heat pump carries out heating circulation, hair Raw change working, first port is connected with the 4th port, second port is connected with the 3rd port, 18 turns of reheater 11, condenser Evaporator is turned to, evaporator 8 is converted into condenser, and refrigerant circulating process is such:19 → four-way reversing valve of compressor 24 28 → device for drying and filtering of → evaporator 8 → device for drying and filtering, 40 → expansion throttling device 38 → expansion throttling, 29 → liquid-sighting glass of device 27 → 30 → compressor of reservoir 26 → check valve, 45 → condenser, 18 → four-way reversing valve, 24 → gas-liquid separator 19, now reheater The check valve 44 of outlet header 43 is that the check valve 45 on blocking state, bypass pipe 46 is opening state, main pipe rail expansion throttling Device 29 is in throttle, and the expansion throttling device 38 that evaporator 8 is carried is standard-sized sheet or fine setting state, the motorized adjustment of reheater 11 Valve 42 is closed, and reheater 11 does not work.
Figure 14 is multiple reheating type heat pump recuperation of heat air-conditioner set structural map, an air exhaust box 2 connect two and more than Wind pushing box 1, it is also heat pump in split type connection, figure between split type connection, wind pushing box 1 to be between air exhaust box 2 and wind pushing box 1 System uses Figure 12 three-pipe heating pumping system.
In summary, condenser 18 of the present invention uses the control valve on the scheme connected, heat pump with reheater 11 Quantity is reduced, and system architecture is simple, reliable, and the cold and hot amount of indoor exhaust wind and the condensation heat of heat pump are recycled profit With, energy-saving effect significantly, this air-conditioner set carries Cooling and Heat Source, it is not necessary to which refrigeration station, boiler room provide air conditioner cold and hot water, and it can be with The air-conditioner set of substitution surface cooler, air-conditioning system is simplified.
It is described above, only it is the preferable implementing method of the present invention, any formal limitation not is done to the present invention. Any simple modifications, equivalents, and modifications that technical spirit according to the present invention is done to above implementing method, belong to this The protection domain of invention.

Claims (7)

1. reheating type heat pump recuperation of heat air-conditioner set, the unit includes wind pushing box, air exhaust box, heat pump, wind pushing box includes new Air port, return air inlet, air outlet, evaporator, reheater, abat-vent, bypass air-valve, pressure fan, additional function section, air draft case and bag Air inlet, fresh wind port, exhaust outlet, condenser, exhaust blower, additional function section are included, heat pump includes compressor, condenser, steaming Send out device, reheater, expansion throttling device, servicing unit, refrigerant circulation pipe, it is characterised in that fresh wind port connects outdoor air, return air Mouth connects indoor return air, and air outlet connects indoor air-conditioning system air supply duct, and air inlet connects indoor exhaust wind, and exhaust outlet connects outdoor air; Outdoor fresh air and indoor return air by pressure fan suction draft case, by evaporator, reheater, additional function section processing, reach After the air-conditioning parameter of setting, air conditioning area is sent to by air outlet;Outdoor fresh air and indoor exhaust wind suck air exhaust box by exhaust blower, After condenser, the processing of additional function section, outdoor is discharged to by exhaust outlet;Wind pushing box and air exhaust box are monoblock type or split Formula is connected, and is closed cut-off between wind pushing box and air exhaust box;Pressure fan, exhaust blower are adjustable speed fans;Fresh wind port, return air inlet, Air inlet is variable air rate regulating tuyere;Evaporator, the reheater of heat pump are mounted in wind pushing box, and during refrigeration, evaporator is to room Outer fresh air, indoor return air cool-down dehumidification, reheater is condenser, using condensation heat to the outdoor fresh air after cool-down dehumidification, interior Reheating, when heating, evaporator is converted into condenser, and for heating air, reheater is converted to evaporator stops operation;Heat The condenser of pumping system is mounted in air exhaust box, and during refrigeration, condensation heat is taken away by indoor exhaust wind and outdoor fresh air, when heating, conversion Into evaporator, the heat in indoor exhaust wind and outdoor fresh air is absorbed;Condenser is connected in heat pump with reheater, in reheating The both sides of device are equipped with abat-vent, and bypass air-valve is connected with reheater, and positioned at same position, heat pump system in wind pushing box When cold, abat-vent is opened, and bypass air-valve is closed, and the air that is processed is by reheater reheating, and when heat pump is heated, keep out the wind dress Closing is put, bypass air-valve is opened, and the air that is processed is by bypassing air-valve.
2. reheating type heat pump recuperation of heat air-conditioner set, the unit includes wind pushing box, air exhaust box, heat pump, wind pushing box includes new Air port, return air inlet, air outlet, evaporator, reheater, pressure fan, additional function section, air exhaust box include air inlet, fresh wind port, row Air port, condenser, exhaust blower, additional function section, heat pump include compressor, condenser, evaporator, reheater, expansion joint Flow device, check valve, bypass pipe, servicing unit, refrigerant circulation pipe, it is characterised in that fresh wind port connects outdoor air, and return air inlet connects Indoor return air, air outlet connects indoor air-conditioning system air supply duct, and air inlet connects indoor exhaust wind, and exhaust outlet connects outdoor air;It is outdoor Fresh air and indoor return air by pressure fan suction draft case, by evaporator, reheater, additional function section processing, reach setting Air-conditioning parameter after, air conditioning area is sent to by air outlet;Outdoor fresh air and indoor exhaust wind suck air exhaust box by exhaust blower, pass through After condenser, the processing of additional function section, outdoor is discharged to by exhaust outlet;Wind pushing box and air exhaust box are monoblock type or split type company Connect, be closed cut-off between wind pushing box and air exhaust box;Pressure fan, exhaust blower are adjustable speed fans;Fresh wind port, return air inlet, air intake Mouth is variable air rate regulating tuyere;Evaporator, the reheater of heat pump are mounted in wind pushing box, and during refrigeration, evaporator is new to outdoor Wind, indoor return air cool-down dehumidification, reheater is condenser, using condensation heat to the outdoor fresh air after cool-down dehumidification, indoor return air Reheating, when heating, evaporator is converted into condenser, and for heating air, reheater is stopped;The condenser dress of heat pump In air exhaust box, during refrigeration, condensation heat is taken away by indoor exhaust wind and outdoor fresh air, when heating, and is converted into evaporator, absorption chamber Heat in air draft and outdoor fresh air;Condenser is connected in heat pump with reheater, and reheater is connected in parallel on heat with bypass pipe In pumping system;Reheater carries check valve, and when heat pump freezes, check valve is opening state, when heat pump is heated, unidirectionally Valve is blocking state;Bypass pipe carries check valve or electric control valve, and when heat pump freezes, check valve is blocking state, or Electric control valve, which is in, to be blocked or adjustment state, when heat pump is heated, and check valve or electric control valve are opening state.
3. reheating type heat pump recuperation of heat air-conditioner set, the unit includes wind pushing box, air exhaust box, heat pump, wind pushing box is two And more than, air exhaust box be one and more than, wind pushing box include fresh wind port, return air inlet, air outlet, evaporator, reheater, air-supply Machine, additional function section, air exhaust box include air inlet, fresh wind port, exhaust outlet, condenser, exhaust blower, additional function section, heat pump system System includes compressor, condenser, evaporator, reheater, expansion throttling device, servicing unit, refrigerant circulation pipe, and its feature exists In fresh wind port connects outdoor air, and return air inlet connects indoor return air, and air outlet connects indoor air-conditioning system air supply duct, and air inlet connects room Interior air draft, exhaust outlet connects outdoor air;Outdoor fresh air and indoor return air are by pressure fan suction draft case, by evaporator, reheating After the processing of device, additional function section, the air-conditioning parameter for reaching setting, air conditioning area is sent to by air outlet;Outdoor fresh air and room Interior air draft sucks air exhaust box by exhaust blower, and after condenser, the processing of additional function section, outdoor is discharged to by exhaust outlet;One Platform and above air exhaust box connect two and above wind pushing box, are split type between wind pushing box and air exhaust box, wind pushing box and wind pushing box The heat pump part in heat pump part and wind pushing box in connection, air exhaust box, the heat pump part between wind pushing box Connected by first circulation house steward, second circulation house steward;Pressure fan, exhaust blower are adjustable speed fans;Fresh wind port, return air inlet, air intake Mouth is variable air rate regulating tuyere;Evaporator, the reheater of heat pump are mounted in wind pushing box, and during refrigeration, evaporator is new to outdoor Wind, indoor return air cool-down dehumidification, reheater is condenser, using condensation heat to the outdoor fresh air after cool-down dehumidification, indoor return air Reheating, when heating, evaporator is converted into condenser, for heating air;The condenser of heat pump is mounted in air exhaust box, refrigeration When, condensation heat is taken away by indoor exhaust wind and outdoor fresh air, when heating, and is converted into evaporator, absorbs indoor exhaust wind and outdoor fresh air In heat;Condenser and reheater are connected in heat pump, and two and above reheater are connected in parallel in heat pump, every Evaporator, which is carried, carries main pipe rail expansion throttling device, servicing unit on expansion throttling device, servicing unit, first circulation house steward;Pressure Contracting machine exhaust outlet is connected with four-way reversing valve first port, and air entry is connected by servicing unit and the port of four-way reversing valve the 3rd Connect;One end of condenser is connected with four-way reversing valve second port, the other end and the main pipe rail expansion joint on first circulation house steward Flow device, servicing unit connection;The other end of one end of first circulation house steward and condenser is connected, and the other end and two and the above are again One end connection of hot device;One end of reheater and the connection of the other end of first circulation house steward, what the other end was carried with evaporator Expansion throttling device, servicing unit connection;One end of evaporator is another by the expansion throttling device, servicing unit and the reheater that carry One end is connected, and the other end is connected with one end of second circulation house steward;One end of second circulation house steward and two and above evaporator Other end connection, the other end is connected with the port of four-way reversing valve the 4th;When heat pump freezes, main pipe rail expansion throttling device Standard-sized sheet, the expansion throttling device that evaporator is carried is in throttle;When heat pump is heated, main pipe rail expansion throttling device is in Throttle, the expansion throttling device that evaporator is carried is in standard-sized sheet or fine setting state.
4. reheating type heat pump recuperation of heat air-conditioner set, the unit includes wind pushing box, air exhaust box, heat pump, wind pushing box is two And more than, air exhaust box be one and more than, wind pushing box include fresh wind port, return air inlet, air outlet, evaporator, reheater, air-supply Machine, additional function section, air exhaust box include air inlet, fresh wind port, exhaust outlet, condenser, exhaust blower, additional function section, heat pump system System includes compressor, condenser, evaporator, reheater, expansion throttling device, check valve, bypass pipe, servicing unit, refrigerant and followed Endless tube, it is characterised in that fresh wind port connects outdoor air, return air inlet connects indoor return air, and air outlet connects indoor air-conditioning system ajutage Road, air inlet connects indoor exhaust wind, and exhaust outlet connects outdoor air;Outdoor fresh air and indoor return air are by pressure fan suction draft case, warp After pervaporation device, reheater, the processing of additional function section, the air-conditioning parameter for reaching setting, air conditioning area is sent to by air outlet; Outdoor fresh air and indoor exhaust wind suck air exhaust box by exhaust blower, after condenser, the processing of additional function section, pass through exhaust outlet It is discharged to outdoor;One and above air exhaust box connect two and above wind pushing box, wind pushing box and air exhaust box, wind pushing box and wind pushing box it Between be split type connection;Pressure fan, exhaust blower are adjustable speed fans;Fresh wind port, return air inlet, air inlet are variable air rate regulating tuyere; The evaporator of heat pump, reheater are mounted in wind pushing box, during refrigeration, evaporator to outdoor fresh air, indoor return air cool-down dehumidification, Reheater is condenser, using condensation heat to the outdoor fresh air after cool-down dehumidification, indoor return air reheating, when heating, and evaporator turns Condenser is changed into, for heating air;The condenser of heat pump is mounted in air exhaust box, and during refrigeration, condensation heat is by indoor exhaust wind Taken away with outdoor fresh air, when heating, be converted into evaporator, absorb the heat in indoor exhaust wind and outdoor fresh air;Condenser with again Hot device is connected in heat pump, and two and above reheater are connected in parallel in heat pump, and reheater is connected in parallel on heat with bypass pipe In pumping system, every evaporator carries expansion throttling device, servicing unit.
5. reheating type heat pump recuperation of heat air-conditioner set according to claim 4, it is characterised in that the heat pump system in air exhaust box System part and heat pump part in wind pushing box, the heat pump part between wind pushing box pass through first circulation house steward, second Circulate house steward's connection;Main pipe rail expansion throttling device, servicing unit are carried on first circulation house steward, every reheater is with unidirectional Valve, and a bypass pipe is parallel with, check valve is carried on bypass pipe;Exhaust outlet of compressor and four-way reversing valve first port Connection, air entry is connected by servicing unit with the port of four-way reversing valve the 3rd;One end of condenser and four-way reversing valve second Port is connected, and the other end is connected with main pipe rail expansion throttling device, the servicing unit on first circulation house steward;First circulation house steward's The other end connection of one end and condenser, the other end is connected with two and above reheater, one end of bypass pipe;The one of reheater End is connected with the other end of first circulation house steward and one end of bypass pipe, expansion throttling device that the other end is carried with evaporator, auxiliary The other end of device and bypass pipe is helped to connect;One end of evaporator by the expansion throttling device, servicing unit and the reheater that carry, The other end connection of bypass pipe, the other end is connected with one end of second circulation house steward;One end of second circulation house steward with two and The other end connection of above evaporator, the other end is connected with the port of four-way reversing valve the 4th;When heat pump freezes, main pipe rail Expansion throttling device standard-sized sheet, the check valve that the expansion throttling device that evaporator is carried is on throttle, bypass pipe is blocking state, The check valve of reheater is opening state;When heat pump is heated, main pipe rail expansion throttling device is in throttle, evaporator The check valve that the expansion throttling device carried is on standard-sized sheet or fine setting state, bypass pipe is opening state, the check valve of reheater For blocking state.
6. reheating type heat pump recuperation of heat air-conditioner set according to claim 4, it is characterised in that the heat pump system in air exhaust box System part and heat pump part in wind pushing box, the heat pump part between wind pushing box pass through three refrigerant circulation house stewards Connection, they are:First circulation house steward, second circulation house steward, heat circulation house steward;Heat swollen with main pipe rail on circulation house steward Swollen flow controller, servicing unit, every reheater carry check valve, every reheater bypass pipe in parallel;Exhaust outlet of compressor It is connected with four-way reversing valve first port, air entry is connected by servicing unit with the port of four-way reversing valve the 3rd;Condenser One end is connected with four-way reversing valve second port, and the other end and first circulation house steward, the one end for heating circulation house steward are connected;First Circulate one end of house steward and the other end of condenser, heat one end connection of circulation house steward, the other end and two and above reheating One end connection of device, one end of reheater is connected with the other end of first circulation house steward, the other end by the check valve that carries and Expansion throttling device that one end of bypass pipe, evaporator are carried, servicing unit connection;One end of bypass pipe and reheater it is another Hold, the expansion throttling device that evaporator is carried, servicing unit are connected, the other end is connected with heating the other end of circulation house steward;Evaporation Device one end is connected by the other end of the expansion throttling device, servicing unit and the reheater that carry, one end of bypass pipe, the other end with One end connection of second circulation house steward;One end of second circulation house steward is connected with the other end of two and above evaporator, another End is connected with the port of four-way reversing valve the 4th;Heat one end and the first circulation house steward of circulation house steward one end and condenser it is another One end is connected, and the other end is connected with the other end of two and above bypass pipe;When heat pump freezes, check valve is to open shape State, main pipe rail expansion throttling device is closed, and the expansion throttling device that evaporator is carried is in throttle, when heat pump is heated, single It is blocking state to valve, reheater does not work, main pipe rail expansion throttling device is in throttle, the expansion throttling that evaporator is carried Device is standard-sized sheet or fine setting state.
7. reheating type heat pump recuperation of heat air-conditioner set according to claim 4, it is characterised in that the heat pump system in air exhaust box System part and heat pump part in wind pushing box, the heat pump part between wind pushing box pass through four refrigerant circulation house stewards Connection, they are:First circulation house steward, second circulation house steward, the 3rd circulation house steward, reheater outlet header;3rd circulation is total Main pipe rail expansion throttling device, servicing unit are carried on pipe, every reheater, which is carried, carries one in electric control valve, heat pump Respectively with a check valve on reheater outlet header, a bypass pipe, reheater outlet header, bypass pipe;Compressor air-discharging Mouth is connected with four-way reversing valve first port, and air entry is connected by servicing unit with the port of four-way reversing valve the 3rd;Condenser One end be connected with four-way reversing valve second port, the other end is connected with one end of bypass pipe, first circulation house steward;First circulation One end of house steward and the other end of condenser, one end of bypass pipe are connected, the other end and two and one end company of above reheater Connect;One end of reheater is connected by the electric control valve carried with the other end of first circulation house steward, the other end and reheater One end connection of outlet header, and be connected in parallel on bypass pipe in heat pump;One end of reheater outlet header with two and The other end of the other end connection of above reheater, the other end and bypass pipe, one end of the 3rd circulation house steward 47 are connected;Bypass pipe One end be connected with one end of first circulation house steward, the other end of condenser, the other end of the other end and reheater outlet header, One end connection of 3rd circulation house steward;One end of 3rd circulation house steward is connected with the other end of reheater outlet header, bypass pipe, Expansion throttling device, the servicing unit that the other end is carried with two and above evaporator are connected;Two and one end of above evaporator It is connected by the expansion throttling device, the servicing unit that carry with the other end of the 3rd circulation house steward, the other end and second circulation house steward One end connection;One end of second circulation house steward is changed with two and the connection of the other end of above evaporator, the other end with four-way Connected to the port of valve the 4th;When heat pump freezes, the check valve of reheater outlet header is the list on opening state, bypass pipe It is blocking state to valve, main pipe rail expansion throttling device is in standard-sized sheet or fine setting state, and the expansion throttling device that evaporator is carried is section Stream mode, when heat pump is heated, the check valve of reheater outlet header is the check valve on blocking state, bypass pipe to be open-minded State, main pipe rail expansion throttling device is in throttle, and the expansion throttling device that evaporator is carried is standard-sized sheet or fine setting state, reheating The electric control valve of device is closed, and reheater does not work.
CN201710634000.0A 2017-07-29 2017-07-29 Reheating type heat pump recuperation of heat air-conditioner set Pending CN107289563A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108332449A (en) * 2018-02-02 2018-07-27 珠海格力电器股份有限公司 Heat-pump dehumidification unit and its control method
CN109373455A (en) * 2018-10-30 2019-02-22 壹格建筑科技(上海)有限公司 A kind of aerial temperature and humidity regulating device
CN115986273A (en) * 2023-03-21 2023-04-18 北京中矿赛力贝特节能科技有限公司 Heat pipe type ventilation and heat exchange device for energy storage battery container

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108332449A (en) * 2018-02-02 2018-07-27 珠海格力电器股份有限公司 Heat-pump dehumidification unit and its control method
CN108332449B (en) * 2018-02-02 2023-07-21 珠海格力电器股份有限公司 Heat pump dehumidification unit and control method thereof
CN109373455A (en) * 2018-10-30 2019-02-22 壹格建筑科技(上海)有限公司 A kind of aerial temperature and humidity regulating device
CN115986273A (en) * 2023-03-21 2023-04-18 北京中矿赛力贝特节能科技有限公司 Heat pipe type ventilation and heat exchange device for energy storage battery container

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