CN207716607U - A kind of heat pump fresh air system - Google Patents
A kind of heat pump fresh air system Download PDFInfo
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- CN207716607U CN207716607U CN201721512420.3U CN201721512420U CN207716607U CN 207716607 U CN207716607 U CN 207716607U CN 201721512420 U CN201721512420 U CN 201721512420U CN 207716607 U CN207716607 U CN 207716607U
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Abstract
The utility model discloses a kind of heat pump fresh air system, which includes：Shell, heat pump system, outdoor fresh air introduce system, room air discharge system and control system, wherein, shell is separated out two channels by the intermediate bulkhead with third air-valve, outdoor fresh air introduces system and is arranged in outdoor fresh air circulation passage, the setting of room air discharge system is indoors in air air exhaust passage, indoors in air air exhaust passage, another part is arranged in outdoor fresh air circulation passage the setting of a heat pump system part.The utility model is beneficial in that：(1) heat pump principle is utilized to realize dehumidifying and recuperation of heat, under control of the control system, heat pump system can realize the dehumidification treatments to fresh air under annual recuperation of heat and high humidity according to refrigeration, heating, dehumidifying+without recuperation of heat, dehumidifying+part recuperation of heat, dehumidifying+total heat recovery this five kinds of patterns work；(2) heat recovery efficiency is high, windage is low.
Description
Technical field
The utility model is related to a kind of heat pump fresh air system, and in particular to one kind having refrigeration, heating, dehumidifying+returned without heat
Five kinds of receipts, dehumidifying+part recuperation of heat, dehumidifying+total heat recovery operating modes, sky can be reduced while promoting heat recovery efficiency
The heat pump fresh air system of air-flow circulation passage resistance, belongs to fresh air purifying technical field.
Background technology
Fresh air owner will have two major classes：New wind turbine with heat recovery function, the new wind turbine without heat recovery function.
For the new wind turbine with heat recovery function, the recycling of heat is mainly realized by heat exchange core, such as utility model
New blower for heat recycling disclosed in patent 201610547610.2 is exactly by the way that recuperation of heat core is arranged in fresh air and air exhaust passage
(heat exchange core) realizes the recycling to indoor heat.This new wind turbine using heat exchange core, it is simple in structure, but heat recovery efficiency
Change with the variation of outdoor environment temperature, and heat exchange efficiency is relatively low, the resistance of air is larger.Meanwhile this new wind turbine is not
The humidity of air can be handled.
In order to solve the humidity problem of room air, utility model patent 201710206979.1 discloses a kind of heat-pump-type
Heat recovery fresh air purifies dehumidifying integrated machine, which is handled the humidity of fresh air using the principle of heat pump.This one
Although body machine overcomes the big problem of air communication channel resistance, but its heat recovery efficiency is relatively low, can not achieve heat in winter
Recycling.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is to provide one kind have refrigeration, heating, dehumidifying+
It, can while promoting heat recovery efficiency without five kinds of recuperation of heat, dehumidifying+part recuperation of heat, dehumidifying+total heat recovery operating modes
Reduce the heat pump fresh air system of air communication channel resistance.
In order to realize above-mentioned target, the utility model adopts the following technical scheme：
A kind of heat pump fresh air system, which is characterized in that including：Shell and setting heat pump system inside the shell, outdoor
Leads to new breeze system, room air discharge system and control system, wherein
Previous housings are separated out outdoor fresh air circulation passage and room air air draft by the intermediate bulkhead with third air-valve
Channel, the symmetrical both ends of outdoor fresh air circulation passage are respectively arranged with outdoor fresh air intake, fresh air outlet, room air air draft
The symmetrical both ends in channel are respectively arranged with outdoor air outlet, indoor exhaust wind mouth；
Aforementioned outdoor fresh air introduces system and is arranged in outdoor fresh air circulation passage, and room air discharge system is arranged in room
In interior air air exhaust passage, compressor, four-way valve and the part heat exchanger of heat pump system are arranged in air air exhaust passage indoors,
And between the second wind turbine of room air discharge system and outdoor air outlet, the another part heat exchanger of heat pump system
Be arranged in outdoor fresh air circulation passage, and be located outside the first wind turbine of Leads to new breeze system and outdoor fresh air intake it
Between；
Aforementioned control system by acquire and process chamber outside at temperature data at Leads to new breeze mouth and indoor exhaust wind mouth
Humidity data, CO2Concentration data introduces system and Interior Space to the third air-valve on intermediate bulkhead, heat pump system, outdoor fresh air
Gas discharge system is controlled.
Heat pump fresh air system above-mentioned, which is characterized in that aforementioned heat pump system includes：Compressor, four-way valve, solenoid valve,
Heat exchanger, throttle valve, several connecting tubes and muffler, wherein the d mouths of four-way valve are connect by connecting tube with compressor, and s mouthfuls logical
It crosses muffler to connect with compressor, c mouthfuls connect with a connecting tube, which is divided into two branches, Mei Gezhi in end
Road is all disposed with solenoid valve, heat exchanger and throttle valve, and first branch is arranged in air air exhaust passage indoors, and second
The solenoid valve of a branch is arranged in air air exhaust passage indoors, heat exchanger and throttle valve are arranged in outdoor fresh air circulation passage
In, two branches converge to be connect with the third heat exchanger positioned at second branch pipeline heat exchanger upstream afterwards, and third heat exchanger is logical
The e mouths for crossing connecting tube and four-way valve connect.
Heat pump fresh air system above-mentioned, which is characterized in that aforementioned outdoor fresh air introduces system and includes：First air-valve, first
Filter screen, the first wind turbine and purification assembled unit, wherein the first air-valve and the first filter screen are arranged in outdoor fresh air intake
Locate, and the first filter screen is located at inboard, the first wind turbine and purification assembled unit are arranged in fresh air exit, and the first wind turbine
Positioned at inboard.
Heat pump fresh air system above-mentioned, which is characterized in that aforementioned room air discharge system includes：Second air-valve, second
Wind turbine and the second filter screen, wherein the second air-valve is arranged at outdoor air outlet, and the second wind turbine and the second filter screen are arranged in room
At interior exhaust outlet, and the second wind turbine is located at inboard.
Heat pump fresh air system above-mentioned, which is characterized in that aforementioned control system includes：Controller, temperature sensor, CO2
Sensor and humidity sensor, wherein temperature sensor is arranged at outdoor fresh air intake, CO2Sensor and humidity sensor
Device is arranged at exhaust outlet indoors, temperature sensor, CO2Sensor and humidity sensor are connect with controller signals.
Heat pump fresh air system above-mentioned, which is characterized in that aforementioned controllers are arranged in room air air exhaust passage.
The utility model is beneficial in that：
(1) the heat pump fresh air system of the utility model realizes dehumidifying and recuperation of heat using heat pump principle, and heat pump system is not
It is arranged in outdoor fresh air circulation passage and room air air exhaust passage with component, under control of the control system, heat pump system can
It is real with according to refrigeration, heating, dehumidifying+without recuperation of heat, dehumidifying+part recuperation of heat, dehumidifying+total heat recovery this five kinds of patterns work
To the dehumidification treatments of fresh air under existing annual recuperation of heat and high humidity, to indoor offer cleaning, meet humidity requirement
Fresh air；
(2) windage of the heat pump fresh air system of the utility model, heat pump system heat exchanger is far smaller than recuperation of heat filter core
Windage, and heat exchange efficiency is significantly larger than recuperation of heat filter core, so reducing air circulation while promoting heat recovery efficiency
Channel resistance.
Description of the drawings
Fig. 1 is the composition schematic diagram of the heat pump fresh air system of the utility model；
Fig. 2 is the control block diagram of the heat pump fresh air system of the utility model.
The meaning of reference numeral in figure：
101- compressors, 102- four-way valves, 103- connecting tubes, 110- connecting tubes, 111- solenoid valves, 112- connecting tubes,
113- heat exchangers, 114- throttle valves, 115- connecting tubes, 120- connecting tubes, 121- solenoid valves, 122- connecting tubes, 123- heat exchangers,
124- connecting tubes, 125- throttle valves, 126- connecting tubes, 130- connecting tubes, 131- heat exchangers, 132- connecting tubes, 133- mufflers；
The first air-valves of 201-, the first filter screens of 202-, the first wind turbines of 203-, 204- purify assembled unit；
The second air-valves of 301-, the second wind turbines of 302-, the second filter screens of 303-；
401- shells, 402- intermediate bulkheads, 403- third air-valves, 404- outdoor fresh air intakes, the outlet of 405- fresh airs,
Air outlet outside the rooms 406-, 407- indoor exhaust wind mouths；
501- controllers, 502- temperature sensors, 503-CO2Sensor, 504- humidity sensors.
Specific implementation mode
Specific introduce is made to the utility model below in conjunction with the drawings and specific embodiments.
First part：The composition of the heat pump fresh air system of the utility model
Referring to Fig.1, the heat pump fresh air system of the utility model includes：Shell 401 and the heat pump being arranged in shell 401
System, outdoor fresh air introduce system, room air discharge system and control system.
1, shell
Referring to Fig.1, shell 401 is internally provided with intermediate bulkhead 402, and third air-valve is provided on intermediate bulkhead 402
403, shell 401 is separated out outdoor fresh air circulation passage and room air air draft by the intermediate bulkhead 402 with third air-valve 403
Channel.
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.
2, outdoor fresh air introduces system
Outdoor fresh air introduces system and is arranged in outdoor fresh air circulation passage.
Referring to Fig.1, outdoor fresh air introducing system includes：First air-valve 201, the first filter screen 202,203 and of the first wind turbine
Purify assembled unit 204.
First air-valve 201 and the first filter screen 202 are arranged at outdoor fresh air intake 404, and the first filter screen 202
Positioned at inboard.
First wind turbine 203 and the setting of purification assembled unit 204 are at fresh air outlet 405, and the first wind turbine 203 is positioned at inner
Side.
3, room air discharge system
The setting of room air discharge system is indoors in air air exhaust passage.
Referring to Fig.1, room air discharge system includes：Second air-valve 301, the second wind turbine 302 and the second filter screen 303.
Second air-valve 301 is arranged at outdoor air outlet 406.
Second wind turbine 302 and the second filter screen 303 are arranged at exhaust outlet 407 indoors, and the second wind turbine 302 is positioned at inner
Side.
First air-valve 201, the second air-valve 301, third air-valve 403 coordinate the difference of the first wind turbine 203, the second wind turbine 302
Start-stop controls, and interior cycle and two kinds of air-treatment patterns of outer circulation may be implemented.
4, heat pump system
For the setting of a heat pump system part indoors in air air exhaust passage, another part setting is logical in outdoor fresh air circulation
In road.
Referring to Fig.1, heat pump system includes：Compressor 101, four-way valve 102, solenoid valve 111, solenoid valve 121, heat exchanger
113, heat exchanger 123, heat exchanger 131, throttle valve 114, throttle valve 125, muffler 133 and several connecting tubes (connecting tube 103,
Connecting tube 110, connecting tube 112, connecting tube 115, connecting tube 120, connecting tube 122, connecting tube 124, connecting tube 126, connecting tube
130, connecting tube 132).
Compressor 101 and four-way valve 102 are arranged in air air exhaust passage indoors, and the d mouths of four-way valve 102 pass through connecting tube
It is connect with compressor 101, s mouthfuls are connect by muffler 133 with compressor 101, and c mouthfuls connect with connecting tube 103, the root connecting tube
103 are divided into two branches in end, and first branch road is disposed with solenoid valve 111, heat exchanger 113 and throttle valve 114, the
Two branch roads are disposed with solenoid valve 121, heat exchanger 123 and throttle valve 125, wherein first branch setting is indoors
In air air exhaust passage, compressor 101, four-way valve 102 and the branch be located at the second wind turbine 302 of room air discharge system with
Between outdoor air outlet 406；The solenoid valve 121 of second branch is arranged in air air exhaust passage indoors, heat exchanger 123 and section
It flows valve 125 to be arranged in outdoor fresh air circulation passage, heat exchanger 123 and throttle valve 125 are located outside the of Leads to new breeze system
Between one wind turbine 203 and outdoor fresh air intake 404.Two branches are connect after converging with third heat exchanger 131, according to air
Flow direction, third heat exchanger 131 are located at the upstream of second branch pipeline heat exchanger 123, and last third heat exchanger 131 passes through connection
Pipe 132 is connect with the e of four-way valve 102 mouths.
5, control system
Control system by acquire and process chamber outside at temperature data at Leads to new breeze mouth 404 and indoor exhaust wind mouth 407
Humidity data, CO2Concentration data introduces system to the third air-valve 403 on intermediate bulkhead 402, heat pump system, outdoor fresh air
It is controlled with room air discharge system.
Referring to Fig.1, control system includes：Controller 501, temperature sensor 502, CO2Sensor 503 and humidity sensor
504。
Temperature sensor 502 is arranged at outdoor fresh air intake 404, CO2Sensor 503 and humidity sensor 504 are set
It sets at exhaust outlet 407 indoors, three sensors are connect with 501 signal of controller.
Controller 501 is arranged in room air air exhaust passage, is drawn with third air-valve 403, heat pump system, outdoor fresh air
Enter system to connect with room air discharge system signal, their work is controlled.
The difference of air-treatment content in system is introduced into according to outdoor fresh air, the work of heat pump system can be divided into：Refrigeration
Pattern；Heating mode；Dehumidifying+without heat recovery mode；Dehumidifying+part heat recovery mode；Dehumidifying+total heat recovery pattern.
CO at setting indoors exhaust outlet 4072Sensor 503 and humidity sensor 504 detect indoor CO2Concentration
It is higher, when humidity is relatively low, illustrate that interior needs to introduce fresh air：
(1) if the temperature sensor 502 being arranged at outdoor fresh air intake 404 detects that temperature is higher, fresh air needs
Cooling processing is carried out, heat pump system is operated in refrigeration mode, i.e., through 101 compressed high-temperature high-pressure refrigerant gas of compressor
C mouths through four-way valve 102 flow to solenoid valve 111, heat exchanger 113, through throttle valve 114 throttling after refrigerant through connecting tube 115,
130 inflow heat exchanger 131 of connecting tube is evaporated, and reduces the temperature of fresh air, and the refrigerant after heating is from connecting tube 132, return-air
Pipe 133 returns to compressor 101.In cooling mode, solenoid valve 121 is closed, and outdoor fresh air introduces 203 He of the first wind turbine of system
Second wind turbine 302 of room air discharge system opens work, and the third air-valve 403 on intermediate bulkhead 402 is closed, outdoor fresh air
First air-valve 201 of introducing system and the second air-valve 301 of room air discharge system are opened.
(2) if the temperature sensor 502 being arranged at outdoor fresh air intake 404 detects that temperature is relatively low, fresh air needs
Heating treatment is carried out, heat pump system is operated in heating mode, i.e., through 101 compressed high-temperature high-pressure refrigerant gas of compressor
E mouths through four-way valve 102 flow to heat exchanger 131 by connecting tube 132, and throttle valve is flowed to through connecting tube 130, connecting tube 115
114, it is evaporated into heat exchanger 113 after the throttling of throttle valve 114, the refrigerant after evaporative cooling passes through solenoid valve 111, connects
Take over 110, connecting tube 103 flow to four-way valve 102 and cooled via return air pipe 133 returns to compressor 101.In a heating mode, solenoid valve
121 close, and outdoor fresh air introduces the first wind turbine 203 of system and the second wind turbine 302 of room air discharge system is opened, intermediate
Third air-valve 403 on partition board 402 is closed, and outdoor fresh air introduces the first air-valve 201 and room air discharge system of system
Second air-valve 301 is opened.
(3) if the temperature sensor 502 being arranged at outdoor fresh air intake 404 detects moderate temperature, fresh air is not
It needs to carry out heating and cooling processing, heat pump system does not work, and under this operating mode, outdoor fresh air introduces the first wind turbine of system
203 and the second wind turbine 302 of room air discharge system open work, the third air-valve 403 on intermediate bulkhead 402 is closed, room
First air-valve 201 of outer Leads to new breeze system and the second air-valve 301 of room air discharge system are opened.
CO at setting indoors exhaust outlet 4072Sensor 503 and humidity sensor 504 detect indoor CO2Concentration
It is relatively low, when humidity is higher, illustrate that interior can not introduce fresh air, at this moment heat pump system is operated in dehumidifying+total heat recovery pattern, i.e.,
Solenoid valve 121, heat exchanger 123 are flowed to through c mouth of the 101 compressed high-temperature high-pressure refrigerant gas of compressor through four-way valve 102,
Through throttle valve 125 throttling after refrigerant be evaporated through connecting tube 126,130 inflow heat exchanger 131 of connecting tube, to fresh air into
Row dehumidification treatments, the refrigerant after heating return to compressor 101 from connecting tube 132, muffler 133.Under dehumidification mode, electromagnetism
Valve 111 is closed, and outdoor fresh air introduces the first air-valve 201 of system and the second air-valve 301 of room air discharge system is closed, in
Third air-valve 403 on spacing board 402 is opened, and outdoor fresh air introduces the first wind turbine 203 and room air discharge system of system
The second wind turbine 302 open work, fresh air flows to heat exchanger 123 and carries out heating heating after 131 cool-down dehumidification of heat exchanger, heat
Pumping system works according to dehumidifying+total heat recovery pattern, and entire heat pump fresh air system works according to inner circulating air purification pattern.
CO at setting indoors exhaust outlet 4072Sensor 503 and humidity sensor 504 detect indoor CO2Concentration
It is higher, when humidity is higher, illustrate that interior needs to introduce fresh air：
(1) if the temperature sensor 502 being arranged at outdoor fresh air intake 404 detects that temperature is higher, fresh air needs
Cool-down dehumidification processing is carried out, heat pump system is operated in dehumidification mode, i.e., through 101 compressed high-temperature high-pressure refrigerant of compressor
C mouth of the gas through four-way valve 102 flows to solenoid valve 111, heat exchanger 113, and the refrigerant after the throttling of throttle valve 114 is through connecting tube
115,130 inflow heat exchanger 131 of connecting tube is evaporated, and reduces the temperature and humidity of fresh air, and the refrigerant after heating is from connection
Pipe 132, muffler 133 return to compressor 101.Under dehumidification mode, solenoid valve 121 is closed, and outdoor fresh air introduces the of system
One wind turbine 203 and the second wind turbine 302 of room air discharge system open work, and the third air-valve 403 on intermediate bulkhead 402 closes
It closes, outdoor fresh air introduces the first air-valve 201 of system and the second air-valve 301 of room air discharge system is opened, heat pump system
It is operated in dehumidifying+without heat recovery mode, entire heat pump fresh air system works according to the two-way stream mode of outer circulation.
(2) if the temperature sensor 502 being arranged at outdoor fresh air intake 404 detects that temperature is relatively low, fresh air needs
Dehumidification treatments are carried out, and the air after dehumidifying carries out heating heat pump system and is operated in dehumidification mode, i.e., through compressor
C mouth of the 101 compressed high-temperature high-pressure refrigerant gases through four-way valve 102 flows to solenoid valve 121, heat exchanger 123, through throttle valve
Refrigerant after 125 throttlings is evaporated through connecting tube 126,130 inflow heat exchanger 131 of connecting tube, is carried out at dehumidifying to fresh air
Reason, the refrigerant after heating return to compressor 101 from connecting tube 132, muffler 133.Under dehumidification work pattern, solenoid valve
111 close, and outdoor fresh air introduces the first air-valve 201 of system and the second air-valve 301 of room air discharge system is closed, intermediate
Third air-valve 403 on partition board 402 is opened, and outdoor fresh air introduces the first wind turbine 203 and room air discharge system of system
Second wind turbine 302 opens work, and fresh air flows to heat exchanger 123 after 131 cool-down dehumidification of heat exchanger and carries out heating heating, heat pump system
System is operated in dehumidifying+total heat recovery pattern, and entire heat pump fresh air system works according to the two-way stream mode of outer circulation.
(3) if the temperature sensor 502 being arranged at outdoor fresh air intake 404 detects that moderate temperature, fresh air need
It dehumidifies, and the heat pump system that suitably heats up to the fresh air after dehumidifying is operated in dehumidification mode, i.e., after the compression of compressor 101
High-temperature high-pressure refrigerant gas be divided into two-way after connecting tube 103 through the c of four-way valve 102 mouths, flow to all the way solenoid valve 121,
Heat exchanger 123, through throttle valve 125；Another way flows to solenoid valve 111, heat exchanger 113, through throttle valve 114；Pass through throttle valve 125
With the refrigerant after throttle valve 114 connecting tube 130, and inflow heat exchanger are aggregated into through connecting tube 126 and connecting tube 115 respectively
131 are evaporated, and carry out dehumidification treatments to fresh air, the refrigerant after heating returns to compressor from connecting tube 132, muffler 133
101.Under this operating mode, solenoid valve 111 and solenoid valve 121 are opened, and outdoor fresh air introduces the first air-valve 201 and the room of system
Second air-valve 301 of interior air purge system is opened, and the third air-valve 403 on intermediate bulkhead 402 is closed, and outdoor fresh air introduces system
First wind turbine 203 of system and the second wind turbine 302 of room air discharge system open work, and fresh air is removed through the cooling of heat exchanger 131
Heat exchanger 123 is flowed to after wet and carries out heating heating, and heat pump system is operated in dehumidifying+part heat recovery mode, entire heat pump fresh air
System works according to the two-way stream mode of outer circulation.
It works under different working modes as it can be seen that controlling heat pump system by control system, dehumidifying may be implemented, heat is returned
The functions such as receipts.
It, can be interior by heat pump system if outdoor environment temperature is relatively low under outer circulation bidirectional stream operating mode
The heat of air draft passes to fresh air under refrigerant effect, realizes that efficient recuperation of heat, system wind resistance are small.Since indoor temperature is opposite
It is higher, so heat pump system working efficiency is also higher.
It, can be to outdoor by heat pump system if outdoor environment temperature is higher under outer circulation bidirectional stream operating mode
High temperature fresh air carries out cooling processing.Since indoor temperature is relatively low with respect to outdoor temperature, so heat pump system may be implemented preferably
Condensation ensures that the refrigeration effect in fresh air side, guarantee are transported to indoor fresh air in lower temperature levels, remain indoor and relax
Suitable environment, realizes the recycling to indoor exhaust wind cold.
Second part：The control method of the heat pump fresh air system of the utility model
Referring to Figures 1 and 2, the control method of the heat pump fresh air system of the utility model is specific as follows：
Step1：Booting.
Step2：Indoor relative humidity RH_Test is detected by the humidity sensor 504 at indoor exhaust wind mouth 407, if
RH_Test>RH_Set then turns Step10；If RH_Test≤RH_Set turns Step3.
RH_Set is indoor relative comfort humidity, and general value is 60%~70%.
Step3：Pass through the CO at indoor exhaust wind mouth 4072Sensor 503 detects indoor CO2Concentration C O2_ Test, if
CO2_Test>CO2_ Set, then turn Step5；If CO2_Test≤CO2_ Set, then turn Step4.
CO2_ Set is the CO of indoor relative comfort2Concentration, general value are 1000ppm.
Step4：Heat pump system does not work, and outdoor fresh air introduces the first air-valve 201 of system, room air discharge system
Second air-valve 301 is closed, and the third air-valve 403 on intermediate bulkhead 402 is opened, and outdoor fresh air introduces the first wind turbine 203 of system
Work is opened with the second wind turbine 302 of room air discharge system, entire heat pump fresh air system is operated in inner circulating air purification
Pattern turns Step9 later.
Step5：Outdoor fresh air temperature Tfa_Test is detected by the temperature sensor 502 at outdoor fresh air intake 404,
If Tfa_Test>Tfa_SetH then turns Step6；If Tfa_SetL<Tfa_Test≤Tfa_SetH then turns Step7；Such as
Fruit Tfa_Test≤Tfa_SetL, then turn Step8.
Tfa_SetH is outdoor fresh air temperature highest set value, and general value is 24~28 DEG C.
Tfa_SetL is the minimum setting value of outdoor fresh air temperature, and general value is 14~18 DEG C.
Step6：Heat pump system works according to fresh air side refrigeration mode, and outdoor fresh air introduces the first air-valve 201 of system, room
Second air-valve 301 of interior air purge system is opened, and the third air-valve 403 on intermediate bulkhead 402 is closed, and outdoor fresh air introduces system
First wind turbine 203 of system and the second wind turbine 302 of room air discharge system open work, turn Step9 later.
Step7：Heat pump system does not work, and outdoor fresh air introduces the first air-valve 201 of system, room air discharge system
Second air-valve 301 is opened, and the third air-valve 403 on intermediate bulkhead 402 is closed, and outdoor fresh air introduces the first wind turbine 203 of system
It is opened with the second wind turbine 302 of room air discharge system, turns Step9 later.
Step8：Heat pump system works according to fresh air side heating mode, and outdoor fresh air introduces the first air-valve 201 of system, room
Second air-valve 301 of interior air purge system is opened, and the third air-valve 403 on intermediate bulkhead 402 is closed, and outdoor fresh air introduces system
First wind turbine 203 of system and the second wind turbine 302 of room air discharge system are opened, and turn Step9 later.
Step9：The controller 501 of control system receives the startup-shutdown instruction of heat pump fresh air system, stops if be not connected to
Machine instructs, then turns Step2；If being connected to halt instruction, heat pump fresh air system is shut down.
Step10：Pass through the CO at indoor exhaust wind mouth 4072Sensor 503 detects indoor CO2Concentration C O2_ Test, if
CO2_Test>CO2_ Set, then turn Step12；If CO2_Test≤CO2_ Set, then turn Step11.
Step11：Heat pump system works according to circulating dehumidification pattern in fresh air side, and outdoor fresh air introduces the first wind of system
Valve 201, room air discharge system the second air-valve 301 close, the third air-valve 403 on intermediate bulkhead 402 is opened, outdoor new
Wind introduces the first wind turbine 203 of system and the second wind turbine 302 of room air discharge system opens work, and room air is according to interior
Cycle works, and the air after the dehumidifying of heat exchanger 131 turns Step9 later through 123 heat temperature raising of heat exchanger.
Step12：Outdoor fresh air temperature Tfa_ is detected by the temperature sensor 502 at outdoor fresh air intake 404
Test, if Tfa_Test>Tfa_SetH then turns Step13；If Tfa_SetL<Tfa_Test≤Tfa_SetH then turns
Step14；If Tfa_Test≤Tfa_SetL turns Step15.
Step13：Heat pump system dehumidifies+works without heat recovery mode according to fresh air side, and outdoor fresh air introduces the first of system
Air-valve 201, room air discharge system the second air-valve 301 open, the third air-valve 403 on intermediate bulkhead 402 is closed, outdoor
First wind turbine 203 of Leads to new breeze system and the second wind turbine 302 of room air discharge system open work, through heat exchanger 131
It is transported to interior after fresh air after dehumidifying and cooling is purified, the heat exchange that the heat of the generation that dehumidifies passes through air air exhaust passage indoors
Device 113 takes outdoor to, turns Step9 later.
Step14：Heat pump system works according to fresh air side dehumidifying+part heat recovery mode, and outdoor fresh air introduces the of system
One air-valve 201, room air discharge system the second air-valve 301 open, the third air-valve 403 on intermediate bulkhead 402 is closed, room
First wind turbine 203 of outer Leads to new breeze system and the second wind turbine 302 of room air discharge system open work, through heat exchanger
Fresh air after 131 dehumidifying and coolings through heat exchanger 123 heat absorb and it is purified after be transported to interior, the partial heat for the generation that dehumidifies
Outdoor is taken to by the heat exchanger 113 of air air exhaust passage indoors, and another part heat passes to conveying by heat exchanger 123
To indoor fresh air, turn Step9 later.
Step15：Heat pump system works according to fresh air side dehumidifying+total heat recovery pattern, and outdoor fresh air introduces the first of system
Air-valve 201, room air discharge system the second air-valve 301 open, the third air-valve 403 on intermediate bulkhead 402 is closed, outdoor
First wind turbine 203 of Leads to new breeze system and the second wind turbine 302 of room air discharge system open work, through heat exchanger 131
Fresh air after dehumidifying and cooling through heat exchanger 123 heat absorb and it is purified after be transported to interior, the heat for the generation that dehumidifies is by changing
Hot device 123, which passes to, is transported to indoor fresh air, turns Step9 later.
It should be noted that above-described embodiment does not limit the utility model in any form, it is all to use equivalent replacement or wait
The technical solution that the mode of effect transformation is obtained, all falls in the scope of protection of the utility model.
Claims (6)
1. a kind of heat pump fresh air system, which is characterized in that including：Shell (401) and the heat pump system being arranged in shell (401)
System, outdoor fresh air introduce system, room air discharge system and control system, wherein
The shell (401) is separated out outdoor fresh air circulation passage and room by the intermediate bulkhead (402) with third air-valve (403)
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 goes out
Mouth (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 arranged in outdoor fresh air circulation passage, and the setting of room air discharge system is empty indoors
In gas air exhaust passage, air indoors is arranged in compressor (101), four-way valve (102) and the part heat exchanger (113) of heat pump system
In air exhaust passage, and between the second wind turbine (302) of room air discharge system and outdoor air outlet (406), heat pump
The another part heat exchanger (123,131) of system is arranged in outdoor fresh air circulation passage, and is located outside Leads to new breeze
Between the first wind turbine (203) and outdoor fresh air intake (404) of system；
The control system is by acquiring and the temperature data and indoor exhaust wind mouth at Leads to new breeze mouth (404) outside process chamber
(407) humidity data, CO at2Concentration data is new to the third air-valve (403) on intermediate bulkhead (402), heat pump system, outdoor
Wind introduces system and room air discharge system is controlled.
2. heat pump fresh air system according to claim 1, which is characterized in that the heat pump system includes：Compressor
(101), four-way valve (102), solenoid valve (111,121), heat exchanger (113,123,131), throttle valve (114,125) if, involvement
Take over (103,110,112,115,120,122,124,126,130,132) and muffler (133), wherein four-way valve (102)
D mouthfuls are connect by connecting tube with compressor (101), and s mouthfuls are connect by muffler (133) with compressor (101), c mouthfuls and one
Connecting tube (103) connects, which is divided into two branches in end, and each branch road is disposed with electromagnetism
Air air exhaust passage indoors is arranged in valve (111,121), heat exchanger (113,123) and throttle valve (114,125), first branch
In, the solenoid valve (121) of second branch is arranged in air air exhaust passage indoors, heat exchanger (123) and throttle valve (125) are set
It sets in outdoor fresh air circulation passage, two branches are a with the third positioned at second branch pipeline heat exchanger (123) upstream after converging
Heat exchanger (131) connects, and third heat exchanger (131) is connect by connecting tube (132) with the e mouths of four-way valve (102).
3. heat pump fresh air system according to claim 1, which is characterized in that the outdoor fresh air introduces system and includes：The
One air-valve (201), the first filter screen (202), the first wind turbine (203) and purification assembled unit (204), wherein the first air-valve
(201) it is arranged at outdoor fresh air intake (404) with the first filter screen (202), and the first filter screen (202) is positioned at inner
Side, the first wind turbine (203) and purification assembled unit (204) are arranged at fresh air outlet (405), and the first wind turbine (203) position
In inboard.
4. heat pump fresh air system according to claim 1, which is characterized in that the room air discharge system includes：The
Two air-valves (301), the second wind turbine (302) and the second filter screen (303), wherein the second air-valve (301) is arranged in outdoor air outlet
(406) at, the second wind turbine (302) and the second filter screen (303) are arranged at exhaust outlet (407) indoors, and the second wind turbine
(302) it is located at inboard.
5. heat pump fresh air system according to claim 1, which is characterized in that the control system includes：Controller
(501), temperature sensor (502), CO2Sensor (503) and humidity sensor (504), wherein temperature sensor (502) is set
It sets at outdoor fresh air intake (404), CO2Exhaust outlet indoors is arranged in sensor (503) and humidity sensor (504)
(407) at, temperature sensor (502), CO2Sensor (503) and humidity sensor (504) connect with controller (501) signal
It connects.
6. heat pump fresh air system according to claim 5, which is characterized in that the controller (501) is arranged in Interior Space
In gas air exhaust passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721512420.3U CN207716607U (en) | 2017-11-14 | 2017-11-14 | A kind of heat pump fresh air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721512420.3U CN207716607U (en) | 2017-11-14 | 2017-11-14 | A kind of heat pump fresh air system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207716607U true CN207716607U (en) | 2018-08-10 |
Family
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|---|---|---|---|
| CN201721512420.3U Active CN207716607U (en) | 2017-11-14 | 2017-11-14 | A kind of heat pump fresh air system |
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| Country | Link |
|---|---|
| CN (1) | CN207716607U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726531A (en) * | 2017-11-14 | 2018-02-23 | 科林贝思（深圳）科技有限公司 | A kind of heat pump VMC and its control method |
| CN111380162A (en) * | 2018-12-29 | 2020-07-07 | 大金工业株式会社 | Air treatment system and control method thereof |
| CN111623463A (en) * | 2020-06-08 | 2020-09-04 | 刘长庚 | Heat exchanger energy recovery device |
-
2017
- 2017-11-14 CN CN201721512420.3U patent/CN207716607U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726531A (en) * | 2017-11-14 | 2018-02-23 | 科林贝思（深圳）科技有限公司 | A kind of heat pump VMC and its control method |
| CN111380162A (en) * | 2018-12-29 | 2020-07-07 | 大金工业株式会社 | Air treatment system and control method thereof |
| CN111623463A (en) * | 2020-06-08 | 2020-09-04 | 刘长庚 | Heat exchanger energy recovery device |
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