CN107726504A - A kind of heat pump VMC and its control method with energy recovery function - Google Patents
A kind of heat pump VMC and its control method with energy recovery function Download PDFInfo
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- CN107726504A CN107726504A CN201711120965.4A CN201711120965A CN107726504A CN 107726504 A CN107726504 A CN 107726504A CN 201711120965 A CN201711120965 A CN 201711120965A CN 107726504 A CN107726504 A CN 107726504A
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- air
- heat pump
- fresh air
- outdoor
- valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-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
- F24F5/0007—Air-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
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Abstract
The invention discloses a kind of heat pump VMC and its control method with energy recovery function, wherein, the heat pump VMC includes：Shell, the heat pump to set within it, outdoor fresh air introduce system and room air discharge system, and control system；Shell is separated out two air communication channels by the central dividing plate with air-valve, and outdoor fresh air introduces system and is disposed in the outdoor in fresh air circulation passage, and room air discharge system is disposed in the interior in air air exhaust passage；Heat pump has two heat exchangers, and a heat exchanger is disposed in the interior in air air exhaust passage, and another heat exchanger is disposed in the outdoor in fresh air circulation passage.The present invention is advantageous in that：(1) heat pump can work according to refrigeration, heating, dehumidification mode under control of the control system, can be realized by the instrumentality of refrigerant and the energy regenerating of indoor exhaust wind is utilized；(2) air communication channel resistance can be reduced while lifting heat recovery efficiency.
Description
Technical field
The present invention relates to a kind of heat pump VMC and its control method, and in particular to a kind of with energy recovery function
Heat pump VMC and its control method, belong to fresh air purifying technical field.
Background technology
Fresh air owner will have two major classes：New blower fan with heat recovery function, the new blower fan without heat recovery function.
For the new blower fan with heat recovery function, the recovery of heat is mainly realized by heat exchange core, such as patent of invention
New blower for heat recycling disclosed in 201610547610.2, it is exactly by setting recuperation of heat core (to change in fresh air and air exhaust passage
Hot core) realize the recovery to indoor heat.This new blower fan using heat exchange core, it is simple in construction, but heat recovery efficiency with
The change of outdoor environment temperature and change, and heat exchange efficiency is relatively low, and the resistance of air is larger.Meanwhile this new blower fan can not
The humidity of air is handled.
In order to solve the humidity problem of room air, patent of invention 201710206979.1 discloses a kind of heat-pump-type heat and returned
Fresh air purifying dehumidifying integrated machine is received, the all-in-one is handled the humidity of fresh air using the principle of heat pump.This all-in-one
Although overcoming the problem of air communication channel resistance is big, its heat recovery efficiency is relatively low, can not realize recuperation of heat in the winter time.
The content of the invention
To solve the deficiencies in the prior art, there is energy recovery function it is an object of the invention to provide one kind, lifted
The heat pump VMC and its control method of air communication channel resistance can be reduced while heat recovery efficiency.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that：
A kind of heat pump VMC with energy recovery function, it is characterised in that including：Shell, it is arranged in shell
Heat pump, outdoor fresh air introduce system and room air discharge system, and control system, wherein,
Previous housings are by with 3#The central dividing plate of air-valve is separated out outdoor fresh air circulation passage and room air air draft is led to
Road, the symmetrical both ends of outdoor fresh air circulation passage are respectively arranged with outdoor fresh air intake, fresh air outlet, and room air air draft is led to
The symmetrical both ends in road are respectively arranged with outdoor air outlet, indoor exhaust wind mouth；
Foregoing outdoor fresh air introduces system and is disposed in the outdoor in fresh air circulation passage, and room air discharge system is arranged on room
In interior air air exhaust passage, heat pump has two heat exchangers, compressor, four-way valve and 1#Heat exchanger is disposed in the interior air
In air exhaust passage, 2#Heat exchanger is disposed in the outdoor in fresh air circulation passage；
Aforementioned control system is by gathering and handling new air temperature, the humidity data at indoor exhaust wind mouth, CO2Concentration data
To 3 on central dividing plate#Air-valve, heat pump, outdoor fresh air introduce system and room air discharge system is controlled.
The foregoing heat pump VMC with energy recovery function, it is characterised in that foregoing heat pump includes：Compression
Machine, four-way valve, 1#Heat exchanger, choke valve and 2#Heat exchanger, wherein, the d mouths of four-way valve are connected with compressor, and s mouths pass through muffler
It is connected with compressor, c mouths are connected with a connecting tube, and 1 is disposed with the root connecting tube#Heat exchanger, choke valve and 2#Heat exchange
Device, 2#Heat exchanger is connected by the e mouths of an other connecting tube and four-way valve.
The foregoing heat pump VMC with energy recovery function, it is characterised in that foregoing outdoor fresh air introduces system
Including：1#Air-valve, 1#Screen pack, electric heating device, 1#Blower fan and filtration combination unit, wherein, 1#Air-valve and 1#Screen pack is set
Put at outdoor fresh air intake, 1#Screen pack positioned at inboard, 1#Blower fan and filtration combination unit are arranged on fresh air exit, and 1#
Blower fan is located at 1 positioned at inboard, electric heating device#The leeward side of blower fan.
The foregoing heat pump VMC with energy recovery function, it is characterised in that foregoing room air discharge system
Including：2#Air-valve, 2#Blower fan and 2#Screen pack, wherein, 2#Air-valve is disposed in the outdoor at air outlet, and 2#Blower fan and 2#Screen pack is set
Indoors at exhaust outlet, 2#Blower fan is positioned at inboard.
The foregoing heat pump VMC with energy recovery function, it is characterised in that aforementioned control system includes：1#Temperature
Spend sensor, 2#Temperature sensor, humidity sensor, CO2Sensor, master control and line control machine, wherein, 1#Temperature sensor is set
At outdoor fresh air intake, 2#Temperature sensor is arranged on 1#The leeward side of blower fan and close electric heating device, humidity sensor
Device and CO2Sensor is disposed in the interior at exhaust outlet, and four sensors and line control machine are connected with master signal.
The foregoing heat pump VMC with energy recovery function, it is characterised in that foregoing master control is arranged in Interior Space
In gas air exhaust passage.
The control method of the foregoing heat pump VMC with energy recovery function, it is characterised in that including following step
Suddenly：
Step1：Start；
Step2：Outdoor fresh air temperature T_O_Test is detected, if T_O_Test<T_O_SetL, then turn Step3；If T_
O_Test >=T_O_SetL, then turn Step4；
Step3：Heat pump works according to fresh air side heating mode, and 3 on central dividing plate#Air-valve is closed, outdoor fresh air
Introducing system and room air discharge system open work, turn Step18；
Step4：If T_O_Test<T_O_SetH, then turn Step6；If T_O_Test >=T_O_SetH, turn
Step5；
Step5：Heat pump works according to fresh air side refrigeration mode, and 3 on central dividing plate#Air-valve is closed, outdoor fresh air
Introducing system and room air discharge system open work, turn Step18；
Step6：The relative humidity RH_Test of room air is detected, if RH_Test>RH_Set, then turn Step8；If
RH_Test≤RH_Set, then turn Step7；
Step7：Heat pump does not work, and 3 on central dividing plate#Air-valve is closed, and outdoor fresh air introduces system and Interior Space
Gas discharge system opens work, turns Step18；
Step8：Detect indoor CO2Concentration C O2_ Test, if CO2_Test>CO2_ Set, then turn Step9；If CO2_
Test≤CO2_ Set, then turn Step13；
Step9：Heat pump is run according to fresh air side dehumidification mode, and 3 on central dividing plate#Air-valve is closed, outdoor fresh air
Introducing system and room air discharge system open work, turn Step10；
Step10：The wind pushing temperature T_I_Test in fresh air exit is detected, if T_I_Test>T_I_Set, then turn
Step11；If T_I_Test≤T_I_Set, turn Step12；
Step11：The electric heating device of Leads to new breeze system, turns Step18 outside close chamber；
Step12：The electric heating device of Leads to new breeze system, turns Step18 outside opening chamber；
Step13：Heat pump is run according to fresh air side dehumidification mode, and outdoor fresh air introduces system and room air discharge
The air-valve of system is closed, and the air-valve on central dividing plate is opened, and outdoor fresh air introduces the blower fan of system and room air discharge system
Work is opened, turns Step14；
Step14：Wind pushing temperature T_I_Test is detected, if T_I_Test>T_I_Set, then turn Step15；If T_I_
Test≤T_I_Set, then turn Step16；
Step15：The electric heating device of Leads to new breeze system, turns Step17 outside close chamber；
Step16：The electric heating device of Leads to new breeze system, turns Step17 outside opening chamber；
Step17：Startup-shutdown is received by control system to instruct, if being not connected to halt instruction, turns Step6；If
Halt instruction is connected to, then is shut down；
Step18：Startup-shutdown is received by control system to instruct, if being not connected to halt instruction, turns Step2；If
Halt instruction is connected to, then is shut down.
The present invention is advantageous in that：
(1) heat pump VMC of the invention, by the way that two heat exchangers of heat pump are arranged in outdoor fresh air
Circulation passage and room air air exhaust passage, under control of the control system, heat pump can be according to refrigeration, heating, dehumidifying
Pattern works, and passes through the instrumentality of refrigerant, it is possible to achieve the energy regenerating of indoor exhaust wind is utilized, while to outdoor fresh air
The processing such as heated, cooled, being dehumidified；
(2) heat pump VMC of the invention, the windage of heat pump heat exchanger are far smaller than the windage of recuperation of heat filter core,
And heat exchange efficiency is significantly larger than recuperation of heat filter core, so whole heat pump VMC reduces while heat recovery efficiency is lifted
Air communication channel resistance；
(3) heat pump VMC of the invention, easily implement.
Brief description of the drawings
Fig. 1 is the composition schematic diagram of the heat pump VMC with energy recovery function of the present invention；
Fig. 2 is the control block diagram of the heat pump VMC with energy recovery function of the present invention.
The implication of reference in figure：
101- compressors, 102- four-way valves, 103- connecting tubes, 104-1#Heat exchanger, 105- choke valves, 106-2#Heat exchanger,
107- connecting tubes, 108- mufflers；
201-1#Air-valve, 202-1#Screen pack, 203- electric heating devices, 204-1#Blower fan, 205- filtration combination units；
301-2#Air-valve, 302-2#Blower fan, 303-2#Screen pack；
401- shells, 402- central dividing plates, 403-3#Air-valve, 404- outdoor fresh air intakes, the outlet of 405- fresh airs, 406-
Outdoor air outlet, 407- indoor exhaust wind mouths；
501-1#Temperature sensor, 502-2#Temperature sensor, 503- humidity sensors, 504-CO2Sensor, 505- master
Control, 506- line control machines.
Embodiment
Make specific introduce to the present invention below in conjunction with the drawings and specific embodiments.
Part I：The composition of the heat pump VMC with energy recovery function of the present invention
Reference picture 1, the heat pump VMC with energy recovery function of the invention include：Shell 401, is arranged on shell
Heat pump, outdoor fresh air in 401 introduce system and room air discharge system, and control system.
1st, shell
Reference picture 1, shell 401 are internally provided with central dividing plate 402, the 3rd air-valve 403 are provided with central dividing plate 402
(can realize interior circulatory function), shell 401 is by with 3#It is logical that the central dividing plate 402 of air-valve 403 is separated out outdoor fresh air circulation
Road and room air air exhaust passage, outdoor fresh air circulation passage is in upper, room air air exhaust passage under.
The symmetrical both ends of outdoor fresh air circulation passage are respectively arranged with outdoor fresh air intake 404, fresh air outlet 405.
The symmetrical both ends of room air air exhaust passage are respectively arranged with outdoor air outlet 406, indoor exhaust wind mouth 407.
2nd, outdoor fresh air introduces system
Outdoor fresh air introduces system and is disposed in the outdoor in fresh air circulation passage.
Reference picture 1, outdoor fresh air, which introduces system, to be included：1#Air-valve 201,1#Screen pack 202, electric heating device 203,1#
Blower fan 204 and filtration combination unit 205.
1#Air-valve 201 and 1#Screen pack 202 is disposed in the outdoor at Leads to new breeze mouth 404, and 1#Screen pack 202 is positioned at inboard.1#
Screen pack 202 is low efficient filter screen, for being pre-processed to fresh air.
1#Blower fan 204 and filtration combination unit 205 are arranged at fresh air outlet 405, and 1#Blower fan 204 is positioned at inboard.Filtering group
Closing unit 205 includes：Activated charcoal strainer, high efficiency particulate air etc..
Electric heating device 203 is located at 1#The leeward side of blower fan 204.
3rd, room air discharge system
Room air discharge system is disposed in the interior in air air exhaust passage.
Reference picture 1, room air discharge system include：2#Air-valve 301,2#Blower fan 302 and 2#Screen pack 303.
2#Air-valve 301 is disposed in the outdoor at air outlet 406.
2#Blower fan 302 and 2#Screen pack 303 is disposed in the interior at exhaust outlet 407, and 2#Blower fan 302 is positioned at inboard.2#Screen pack
303 be low efficient filter screen, for keeping the cleaning of room air discharge system.
4th, heat pump
A heat pump part is disposed in the interior in air air exhaust passage, and another part is disposed in the outdoor new wind circulation and led to
In road.
Reference picture 1, heat pump includes：Compressor 101, four-way valve 102,1#Heat exchanger 104, choke valve 105 and 2#Heat exchange
Device 106.
The d mouths of four-way valve 102 are connected with compressor 101, and s mouths are connected by muffler 108 with compressor 101, c mouths and one
Root connecting tube 103 (connecting refrigerant lines) is connected, and 1 is disposed with the root connecting tube 103#Heat exchanger 104, choke valve 105
With 2#Heat exchanger 106,2#Heat exchanger is connected by an other connecting tube 107 with the e mouths of four-way valve 102.Wherein, compressor
101st, four-way valve 102 and 1#Heat exchanger 104 is disposed in the interior in air air exhaust passage, and 2#Heat exchanger 106 is disposed in the outdoor new distinguished and admirable
In circulation passage.
5th, control system
Control system is by gathering and handling humidity data, CO at fresh air temperature data and indoor exhaust wind mouth 4072Concentration
Data are to 3 on central dividing plate 402#Air-valve 403, heat pump, outdoor fresh air introduce system and room air discharge system is entered
Row control.
Reference picture 1, control system includes：1#Temperature sensor 501,2#Temperature sensor 502, humidity sensor 503, CO2
Sensor 504, master control 505 and line control machine 506.
1#Temperature sensor 501 is disposed in the outdoor at Leads to new breeze mouth 404, for detecting the temperature of outdoor fresh air.
2#Temperature sensor 502 is arranged on 1#The leeward side of blower fan 204, and close to electric heating device 203, for examining
The temperature of the fresh air after heat pump is handled is surveyed, if the temperature of the fresh air after processing is also very low, master control 505 controls electricity auxiliary
Help heater 203 to open, continue to heat to fresh air.
Humidity sensor 503 and CO2Sensor 504 is disposed in the interior at exhaust outlet 407, wherein, humidity sensor 503 is used
In detection indoor air relative humidity, CO2Sensor 504 is used to detect indoor CO2Concentration.
1#Temperature sensor 501,2#Temperature sensor 502, humidity sensor 503 and CO2Sensor 504 and line control machine
506 are connected with the signal of master control 505.Master control 505 is arranged in room air air exhaust passage.
Outdoor fresh air introduces the 1 of system#Air-valve 201, electric heating device 203 and 1#Blower fan 204 with the signal of master control 505
Connection.
The 2 of room air discharge system#Air-valve 301 and 2#Blower fan 302 is connected with the signal of master control 505.
Compressor 101, four-way valve 102 and the choke valve 105 of heat pump are connected with the signal of master control 505.
3 on central dividing plate 402#Air-valve 403 is connected with the signal of master control 505.
1 at outdoor fresh air intake 404#2 at air-valve 201, outdoor air outlet 406#Air-valve 301, central dividing plate 402
On 3#Air-valve 403 coordinates outdoor fresh air to introduce the 1 of system#The 2 of blower fan 204, room air discharge system#The difference of blower fan 302
Start-stop controls, it is possible to achieve inner circulating air tupe and outer circulation air-treatment pattern.
The difference of air-treatment content in system is introduced into according to outdoor fresh air, the work of heat pump can be divided into：Refrigeration
Pattern, heating mode, dehumidification mode.
When 1 at outdoor fresh air intake 404#When temperature sensor 501 detects that outdoor fresh air temperature is relatively low (such as
Outdoor fresh air temperature is less than 16 DEG C), heat pump works according to fresh air side heating mode：Reference picture 1, electricity on four-way valve 102, pressure
The high-temperature high-pressure refrigerant that contracting machine 101 is discharged enters 2 by the e mouths of four-way valve 102 through connecting tube 107#Heat exchanger 106 and outdoor
Fresh air carries out heat exchange, new air temperature rise, and refrigerant cooling condenses, and condensed refrigerant enters 1 through choke valve 105#Change
Hot device 104 is evaporated, and absorbs the heat of indoor exhaust wind, and the refrigerant after evaporation enters the c of four-way valve 102 from connecting tube 103
After mouthful compressor 101 is returned to through muffler 108.
In this mode, outdoor fresh air introduces the 1 of system#The 2 of air-valve 201, room air discharge system#Air-valve 301 is beaten
Open, 3 on central dividing plate 402#Air-valve 403 is closed；Outdoor fresh air introduces the 1 of system in outdoor fresh air#In the presence of blower fan 204
Introduced from outdoor fresh air intake 404,2 through heat pump#The heat temperature raising of heat exchanger 106 and filtered assembled unit 205 is net
After change, interior is sent to from fresh air outlet 405；Room air indoors air purge system 2#From room in the presence of blower fan 302
Interior exhaust outlet 407 gets in air purge system, transfers heat to 1#From outdoor air outlet after the refrigerant of heat exchanger 104
406 rows are to outdoor environment.
In the presence of heat pump, the heat of indoor exhaust wind has been transferred to the new of outdoor introducing by heat pump VMC
Wind, realize efficient recuperation of heat.
When 1 at outdoor fresh air intake 404#When temperature sensor 501 detects that outdoor fresh air temperature is higher (such as
Outdoor fresh air temperature is higher than 24 DEG C), heat pump works according to fresh air side refrigeration mode：Reference picture 1, the power-off electric of four-way valve 102,
The high-temperature high-pressure refrigerant that compressor 101 is discharged enters 1 by the c mouths of four-way valve 102 through connecting tube 103#Heat exchanger 104 and room
Interior air draft carries out heat exchange, refrigerant cooling condensation, and condensed refrigerant enters 2 through choke valve 105#Heat exchanger 106 is carried out
Evaporation, 2#Under the heat exchange effect of heat exchanger 106, outdoor fresh air temperature reduces, and 2#Refrigerant suction fresh air in heat exchanger 106
Heat after evaporate, the refrigerant after evaporation through muffler 108 returns to compression after entering the e mouths of four-way valve 102 from connecting tube 107
Machine 101.
In this mode, outdoor fresh air introduces the 1 of system#The 2 of air-valve 201, room air discharge system#Air-valve 301 is beaten
Open, 3 on central dividing plate 402#Air-valve 403 is closed, and outdoor fresh air introduces the 1 of system in outdoor fresh air#In the presence of blower fan 204
Introduced from outdoor fresh air intake 404, through 2#After heat exchanger 106 realizes cooling and filtered assembled unit 205 purifies, from new
It is sent to interior in wind outlet 405；Room air indoors air purge system 2#From indoor exhaust wind mouth in the presence of blower fan 302
407 get in air purge system, room air cooling 1#From the outdoor row of air outlet 406 after refrigerant in heat exchanger 104
To outdoor environment.
In the presence of heat pump, heat pump VMC cools down 1 with indoor exhaust wind#Refrigerant in heat exchanger 104,
Good condensation effect can be realized, realizes that High Efficiency Thermal utilizes.
When 1 at outdoor fresh air intake 404#When temperature sensor 501 detects outdoor fresh air moderate temperature, at this moment
Need to control the working condition of heat pump according to the relative humidity of room air：
(a) reference picture 1, if detecting that the humidity of room air is moderate, at this moment heat pump is not worked, and outdoor fresh air is drawn
Enter the 1 of system#The 2 of air-valve 201, room air discharge system#Air-valve 301 is opened, and 3 on central dividing plate 402#Air-valve 403 closes
Close, outdoor fresh air is only purified, without heat up or cooling handle.
(b) reference picture 1, if detect that the humidity of room air is higher, while CO2Concentration is higher (for example to be exceeded
1000ppm), at this moment need to introduce fresh air from outside and dehumidification treatments are carried out to fresh air, according to 2 after dehumidifying#Temperature sensor
502 (are arranged on 1#The leeward side of blower fan 204) height of detection new air temperature determines the start-stop of electric heating device 203, this
When 1#Air-valve 201,2#Air-valve 301 is opened, and 3#Air-valve 403 is closed, the stream in heat pump when the flow direction and refrigeration mode of refrigerant
To identical.
(3) reference picture 1, if detecting that the humidity of room air is higher, but CO2Concentration is relatively low (for example to be less than
1000ppm), at this moment fresh air need not be introduced from outside, it is only necessary to dehumidification treatments are carried out to room air, according to 2 after dehumidifying#
Temperature sensor 502 detects the height of new air temperature to determine the start-stop of electric heating device 203, and at this moment 1#Air-valve 201,2#Wind
Valve 301 is closed, and 3#Air-valve 403 is opened, in heat pump when the flow direction and refrigeration mode of refrigerant flow to it is identical.
, can be interior by heat pump if outdoor environment temperature is relatively low under outer circulation bidirectional stream mode of operation
The heat of air draft passes to fresh air under refrigerant effect, realizes efficient recuperation of heat；Because indoor temperature is of a relatively high, so hot
Pumping system operating efficiency is also higher.
, can be to outdoor by heat pump if outdoor environment temperature is higher under outer circulation bidirectional stream mode of operation
High temperature fresh air carries out cooling processing；Because indoor temperature is relatively low with respect to outdoor temperature, so heat pump can be realized preferably
Condensation, ensures the refrigeration in fresh air side, ensures to be transported to the fresh air of interior in relatively low temperature levels, remains indoor and relax
Suitable environment, realizes the recovery to indoor exhaust wind cold.
Part II：The control method of the heat pump VMC with energy recovery function of the present invention
Referring to Figures 1 and 2, the control method of the heat pump VMC with energy recovery function of the invention is specific such as
Under：
Step1：Start.
Step2：By be arranged at outdoor fresh air intake 404 1#Temperature sensor 501 detects outdoor fresh air temperature
T_O_Test, if T_O_Test<T_O_SetL, then turn Step3；If T_O_Test >=T_O_SetL, turn Step4.
T_O_SetL is the minimum setting value of outdoor fresh air temperature, and general value is 14~18 DEG C.
Step3：Electric on four-way valve 102, heat pump works according to fresh air side heating mode, and outdoor fresh air introduces system
1#The 2 of air-valve 201, room air discharge system#Air-valve 301 is opened, and 3 on central dividing plate 402#Air-valve 403 is closed, outdoor new
Wind introduces the 1 of system#The 2 of blower fan 204 and room air discharge system#Blower fan 302 opens work, turns Step18.
Step4：If T_O_Test<T_O_SetH, then turn Step6；If T_O_Test >=T_O_SetH, turn
Step5。
T_O_SetH is outdoor fresh air temperature highest set value, and general value is 24~28 DEG C.
Step5：Four-way valve 102 powers off, and heat pump works according to fresh air side refrigeration mode, and outdoor fresh air introduces system
1#The 2 of air-valve 201, room air discharge system#Air-valve 301 is opened, and 3 on central dividing plate 402#Air-valve 403 is closed, outdoor new
Wind introduces the 1 of system#The 2 of blower fan 204 and room air discharge system#Blower fan 302 opens work, turns Step18.
Step6：The relative humidity of room air is detected by being arranged in the humidity sensor 503 at indoor exhaust wind mouth 407
RH_Test, if the relative humidity RH_Test of room air>RH_Set, then turn Step8；If RH_Test≤RH_Set,
Turn Step7.
RH_Set is the humidity of indoor relative comfort, and general value is 60%~70%.
Step7：Heat pump does not work, and outdoor fresh air introduces the 1 of system#The 2 of air-valve 201, room air discharge system#
Air-valve 301 is opened, and 3 on central dividing plate 402#Air-valve 403 is closed, and outdoor fresh air introduces the 1 of system#Blower fan 204 and room air
The 2 of discharge system#Blower fan 302 opens work, turns Step18.
Step8：Pass through the CO at indoor exhaust wind mouth 4072Sensor 504 detects indoor CO2Concentration C O2_ Test, if
Indoor CO2Concentration C O2_Test>CO2_ Set, then turn Step9；If CO2_Test≤CO2_ Set, then turn Step13.
CO2_ Set is the CO of indoor relative comfort2Concentration, general value are 1000ppm.
Step9：Four-way valve 102 is powered off, and heat pump is run according to fresh air side dehumidification mode, and outdoor fresh air introduces system
1#The 2 of air-valve 201, room air discharge system#Air-valve 301 is opened, and 3 on central dividing plate 402#Air-valve 403 is closed, outdoor new
Wind introduces the 1 of system#The 2 of blower fan 204 and room air discharge system#Blower fan 302 opens work.
Step10：By be arranged in the rear side of electric heating device 203 2#Temperature sensor 502 detects wind pushing temperature T_I_
Test, if T_I_Test>T_I_Set, then turn Step11；If T_I_Test≤T_I_Set, turn Step12.
Step11：Electric heating device 203 is closed, turns Step18.
Step12：Electric heating device 203 is opened, turns Step18.
Step13：Four-way valve 102 is powered off, and heat pump is run according to fresh air side dehumidification mode, and outdoor fresh air introduces system
1#The 2 of air-valve 201, room air discharge system#Air-valve 301 is closed, and 3 on central dividing plate 402#Air-valve 403 is opened, outdoor
The 1 of Leads to new breeze system#The 2 of blower fan 204 and room air discharge system#Blower fan 302 opens work, whole heat pump VMC
Interior circulation pattern is operated in, turns Step14.
Step14：By be arranged in the rear side of electric heating device 203 2#Temperature sensor 502 detects wind pushing temperature T_I_
Test, if T_I_Test>T_I_Set, then turn Step15；If T_I_Test≤T_I_Set, turn Step16.
Step15：Electric heating device 203 is closed, turns Step17.
Step16：Electric heating device 203 is opened, turns Step17.
Step17：Startup-shutdown is received by master control 505 to instruct, if being not connected to halt instruction, turns Step6；If
Halt instruction is connected to, then is shut down.
Step18：Startup-shutdown is received by master control 505 to instruct, if being not connected to halt instruction, turns Step2；If
Halt instruction is connected to, then is shut down.
As can be seen here, by the 1 of heat pump#Heat exchanger 104 is arranged in room air air exhaust passage, 2#Heat exchange
Device 106 is arranged in outdoor fresh air circulation passage, while controls the mode of operation of heat pump, it is possible to achieve annual recuperation of heat,
And to the dehumidification treatments of fresh air under high humidity, to indoor offer it is clean, meet the fresh air of humidity requirement.
It should be noted that the invention is not limited in any way for above-described embodiment, it is all to use equivalent substitution or equivalent change
The technical scheme that the mode changed is obtained, all falls within protection scope of the present invention.
Claims (7)
- A kind of 1. heat pump VMC with energy recovery function, it is characterised in that including：Shell (401), is arranged on shell (401) heat pump, outdoor fresh air in introduce system and room air discharge system, and control system, wherein,The shell (401) is by with 3#The central dividing plate (402) of air-valve (403) is separated out outdoor fresh air circulation passage and interior Air air exhaust passage, the symmetrical both ends of outdoor fresh air circulation passage are respectively arranged with outdoor fresh air intake (404), fresh air outlet (405), the symmetrical both ends of room air air exhaust passage are respectively arranged with outdoor air outlet (406), indoor exhaust wind mouth (407)；The outdoor fresh air introduces system and is disposed in the outdoor in fresh air circulation passage, and room air discharge system is disposed in the interior sky In gas air exhaust passage, heat pump has two heat exchangers, compressor (101), four-way valve (102) and 1#Heat exchanger (104) is set Put indoors in air air exhaust passage, 2#Heat exchanger (106) is disposed in the outdoor in fresh air circulation passage；The control system by gather and handle new air temperature, indoor exhaust wind mouth (407) place humidity data, CO2Concentration data To 3 on central dividing plate (402)#Air-valve (403), heat pump, outdoor fresh air introduce system and room air discharge system is entered Row control.
- 2. the heat pump VMC according to claim 1 with energy recovery function, it is characterised in that the heat pump system System includes：Compressor (101), four-way valve (102), 1#Heat exchanger (104), choke valve (105) and 2#Heat exchanger (106), wherein, The d mouths of four-way valve (102) are connected with compressor (101), and s mouths are connected by muffler (108) with compressor (101), c mouths and one Root connecting tube (103) is connected, and 1 is disposed with the root connecting tube (103)#Heat exchanger (104), choke valve (105) and 2#Heat exchange Device (106), 2#Heat exchanger is connected by an other connecting tube (107) with the e mouths of four-way valve (102).
- 3. the heat pump VMC according to claim 1 with energy recovery function, it is characterised in that described outdoor new Wind, which introduces system, to be included：1#Air-valve (201), 1#Screen pack (202), electric heating device (203), 1#Blower fan (204) and filtering group Unit (205) is closed, wherein, 1#Air-valve (201) and 1#Screen pack (202) is disposed in the outdoor Leads to new breeze mouth (404) place, and 1#Filtering Net (202) positioned at inboard, 1#Blower fan (204) and filtration combination unit (205) be arranged on fresh air outlet (405) place, 1#Blower fan (204) it is located at 1 positioned at inboard, electric heating device (203)#The leeward side of blower fan (204).
- 4. the heat pump VMC according to claim 1 with energy recovery function, it is characterised in that the Interior Space Gas discharge system includes：2#Air-valve (301), 2#Blower fan (302) and 2#Screen pack (303), wherein, 2#Air-valve (301) is arranged on room Outgoing tuyere (406) place, 2#Blower fan (302) and 2#Screen pack (303) is disposed in the interior exhaust outlet (407) place, and 2#Blower fan (302) Positioned at inboard.
- 5. the heat pump VMC according to claim 3 with energy recovery function, it is characterised in that the control system System includes：1#Temperature sensor (501), 2#Temperature sensor (502), humidity sensor (503), CO2Sensor (504), master control (505) and line control machine (506), wherein, 1#Temperature sensor (501) is disposed in the outdoor Leads to new breeze mouth (404) place, and 2#Temperature passes Sensor (502) is arranged on 1#The leeward side of blower fan (204) and close electric heating device (203), humidity sensor (503) and CO2 Sensor (504) is disposed in the interior exhaust outlet (407) place, and four sensors and line control machine (506) connect with master control (505) signal Connect.
- 6. the heat pump VMC according to claim 5 with energy recovery function, it is characterised in that the master control (505) it is arranged in room air air exhaust passage.
- 7. the control method of the heat pump VMC with energy recovery function described in claim 1 to 6 any one, it is special Sign is, comprises the following steps：Step1：Start；Step2：Outdoor fresh air temperature T_O_Test is detected, if T_O_Test<T_O_SetL, then turn Step3；If T_O_ Test >=T_O_SetL, then turn Step4；Step3：Heat pump works according to fresh air side heating mode, and 3 on central dividing plate (402)#Air-valve (403) is closed, outdoor Leads to new breeze system and room air discharge system open work, turn Step18；Step4：If T_O_Test<T_O_SetH, then turn Step6；If T_O_Test >=T_O_SetH, turn Step5；Step5：Heat pump works according to fresh air side refrigeration mode, and 3 on central dividing plate (402)#Air-valve (403) is closed, outdoor Leads to new breeze system and room air discharge system open work, turn Step18；Step6：The relative humidity RH_Test of room air is detected, if RH_Test>RH_Set, then turn Step8；If RH_ Test≤RH_Set, then turn Step7；Step7：Heat pump does not work, and 3 on central dividing plate (402)#Air-valve (403) is closed, and outdoor fresh air introduces system and room Interior air purge system opens work, turns Step18；Step8：Detect indoor CO2Concentration C O2_ Test, if CO2_Test>CO2_ Set, then turn Step9；If CO2_Test ≤CO2_ Set, then turn Step13；Step9：Heat pump is run according to fresh air side dehumidification mode, and 3 on central dividing plate (402)#Air-valve (403) is closed, outdoor Leads to new breeze system and room air discharge system open work, turn Step10；Step10：The wind pushing temperature T_I_Test at fresh air outlet (405) place is detected, if T_I_Test>T_I_Set, then turn Step11；If T_I_Test≤T_I_Set, turn Step12；Step11：The electric heating device (203) of Leads to new breeze system, turns Step18 outside close chamber；Step12：The electric heating device (203) of Leads to new breeze system, turns Step18 outside opening chamber；Step13：Heat pump is run according to fresh air side dehumidification mode, and outdoor fresh air introduces system and room air discharge system Air-valve close, the air-valve on central dividing plate (402) is opened, and outdoor fresh air introduces the blower fan of system and room air discharge system Work is opened, turns Step14；Step14：Wind pushing temperature T_I_Test is detected, if T_I_Test>T_I_Set, then turn Step15；If T_I_Test ≤ T_I_Set, then turn Step16；Step15：The electric heating device (203) of Leads to new breeze system, turns Step17 outside close chamber；Step16：The electric heating device (203) of Leads to new breeze system, turns Step17 outside opening chamber；Step17：Startup-shutdown is received by control system to instruct, if being not connected to halt instruction, turns Step6；If it is connected to Halt instruction, then shut down；Step18：Startup-shutdown is received by control system to instruct, if being not connected to halt instruction, turns Step2；If it is connected to Halt instruction, then shut down.
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| CN109000312A (en) * | 2018-06-08 | 2018-12-14 | 同济大学 | Monoblock type heat pump heat reclamation type fresh air dehumidifier with interior circulation pattern |
| CN112161325A (en) * | 2020-10-14 | 2021-01-01 | 四川长虹电器股份有限公司 | Split air conditioner |
| CN112944496A (en) * | 2021-01-28 | 2021-06-11 | 恩科（苏州）通风系统有限公司 | All-air system all-in-one machine |
| CN113273562A (en) * | 2021-06-15 | 2021-08-20 | 顺通(烟台市经济技术开发区)电力设计有限公司 | Application method of high-voltage power tower big data acquisition and bird repelling device |
| CN113446669A (en) * | 2020-03-24 | 2021-09-28 | 广东美的制冷设备有限公司 | Air conditioner, humidification control method and computer readable storage medium |
| CN113719897A (en) * | 2021-09-03 | 2021-11-30 | 珠海特普科技有限公司 | Multifunctional air conditioner all-in-one machine and control method thereof |
| CN113932370A (en) * | 2021-11-24 | 2022-01-14 | 美的集团武汉制冷设备有限公司 | Fresh air equipment control method and device, storage medium and fresh air equipment |
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| CN113932370A (en) * | 2021-11-24 | 2022-01-14 | 美的集团武汉制冷设备有限公司 | Fresh air equipment control method and device, storage medium and fresh air equipment |
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