CN108286755A - A kind of air-treatment unit of included low-temperature receiver - Google Patents

A kind of air-treatment unit of included low-temperature receiver Download PDF

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Publication number
CN108286755A
CN108286755A CN201810167992.5A CN201810167992A CN108286755A CN 108286755 A CN108286755 A CN 108286755A CN 201810167992 A CN201810167992 A CN 201810167992A CN 108286755 A CN108286755 A CN 108286755A
Authority
CN
China
Prior art keywords
air
heat exchanger
interfaces
valve
outlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810167992.5A
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Chinese (zh)
Inventor
路建岭
杨仕超
麦粤帮
唐毅
吴培浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Provincial Academy of Building Research Group Co Ltd
Original Assignee
Guangdong Provincial Academy of Building Research Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Provincial Academy of Building Research Group Co Ltd filed Critical Guangdong Provincial Academy of Building Research Group Co Ltd
Priority to CN201810167992.5A priority Critical patent/CN108286755A/en
Publication of CN108286755A publication Critical patent/CN108286755A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • 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
    • F24F12/001Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/006Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
    • 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
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements

Abstract

The invention discloses a kind of air-treatment units of included low-temperature receiver, equipped with air-conditioner set cabinet and air exhaust heat exchange babinet, air-conditioner set cabinet is equipped with fresh air air inlet and outlet and return air inlet, inside according to by the airflow direction of fresh air air inlet to air outlet be sequentially installed with first filter, the first air heat exchanger, centrifugal blower, the second filter, the second air heat exchanger and humidifier;Air exhaust heat exchange babinet be equipped with air draft air inlet and air draft air outlet, inside third air heat exchanger, compressor, four-way reversing valve and exhaust blower are installed.The present invention carries independent cooling source, mounting arrangements are flexible, and utilize the waste heat of indoor exhaust wind, greatly improve the efficiency of included low-temperature receiver, using the condensation heat of included low-temperature receiver, realize that the regulation and control to wind pushing temperature, the present invention are suitable for being not easy the place that low-temperature receiver is concentrated in setting, especially suitable for places such as villa, hotel guest room, high-grade office buildings, requirement of user's whole year to fresh air and thermal comfort disclosure satisfy that.

Description

A kind of air-treatment unit of included low-temperature receiver
Technical field
The present invention relates to a kind of air-treatment units of included low-temperature receiver.
Background technology
With the development of society, the improvement of people's living standards, people to live and the requirement of working environment also increasingly Height, the especially demand to fresh air and thermal comfort are increasingly paid attention to.Currently, being write for villa, hotel guest room and top grade The inhabitations such as word building and workplace, in the case where being not easy setting concentration water cooling low-temperature receiver, it will usually use split-type air conditioner or multi-joint Air conditioner, however usually there is following drawback in these air conditioning systems:1. air-conditioning system can not provide fresh air, usually rely on out Natural ventilation of door and window or the mode of simple and mechanical ventilation obtain fresh air, not only result in the loss waste of air-conditioning cold flow in this way, empty Energy consumption is adjusted to increase, and fresh air proceeds directly to interior without processing, it can be by outdoor pollutant (such as dust, vapour Tail gas, PM2.5 etc.) and noise bring interior into, furthermore, in the season of southern area humidity, uncontrolled and processing fresh air It largely gets in, indoor moisture regain Signs of Mould can be aggravated;2. if independent fresh air system is arranged, need to increase a set of sky Adjusting system not only increases initial cost, but also needs that special new Ventilator Room, and reserved air hose arrangement space is arranged;3. indoor Air draft can not efficiently use, and waste a large amount of indoor waste heat.
Above-mentioned drawback affects the indoor New atmosphere quality in the places such as villa, hotel guest room and high-grade office building to a certain degree With thermal comfort quality, therefore, it is necessary to design a set of applicable air treatment system, to meet the needs of these places.
Invention content
The technical problem to be solved by the present invention is to:A kind of air-treatment unit of included low-temperature receiver is provided.
Above-mentioned technical problem is solved, the technical solution adopted in the present invention is as follows:
A kind of air-treatment unit of included low-temperature receiver is equipped with air-conditioner set cabinet and air exhaust heat exchange babinet, the air conditioner Group cabinet is equipped with fresh air air inlet and outlet and return air inlet, and the fresh air air inlet is for being connected to outdoor environment and the air-conditioning The inside of unit cabinet, the air outlet are used to be connected to the inside of indoor environment and the air-conditioner set cabinet, and the air draft is changed Hot tank body is equipped with air draft air inlet and air draft air outlet, and the air draft air inlet is for being connected to the indoor environment and the air draft The inside of heat exchange babinet, the air draft air outlet are used to be connected to the inside of outdoor environment and the air exhaust heat exchange babinet, feature It is:
The inside of the air-conditioner set cabinet is according to the airflow direction by the fresh air air inlet to the air outlet It is sequentially installed with first filter, the first air heat exchanger, centrifugal blower, the second filter, the second air heat exchanger and humidification Device, the return air inlet are connected to the indoor environment and the first strain position inside the air-conditioner set cabinet, first filtering Position is between the first filter and the first air heat exchanger;
The inside of the air exhaust heat exchange babinet is equipped with third air heat exchanger, compressor, four-way reversing valve and exhaust blower, The air outlet of the exhaust blower connects the air draft air outlet;
The outlet of the compressor connects a interfaces of the four-way reversing valve, the import connection described four of the compressor The b interfaces of the d interfaces of logical reversal valve, the four-way reversing valve are divided into two branches, and the first branch connects the third air heat-exchange The a interfaces of device, the second branch connect a interfaces of second air heat exchanger, the four-way reversing valve by the first solenoid valve C interfaces connect the b interfaces of first air heat exchanger, it is swollen that a interfaces of first air heat exchanger connect the first electronics The second interface of the first interface of swollen valve, first electric expansion valve is divided into two branches, and the first branch is swollen by the second electronics Swollen valve connects the b interfaces of the third air heat exchanger, and the second branch connects second air heat-exchange by second solenoid valve The b interfaces of device.
As the preferred embodiment of the present invention:It is described in two branches that the b interfaces of the four-way reversing valve are separated The first branch connects a interfaces of the third air heat exchanger by third solenoid valve.
As the preferred embodiment of the present invention:The fresh air air inlet is equipped with the first motorized adjustment air-valve, it is described go out Air port is equipped with the second motorized adjustment air-valve, and the return air inlet is equipped with third motorized adjustment air-valve;The air draft air inlet peace Equipped with the 4th motorized adjustment air-valve.
As the preferred embodiment of the present invention:In the inside of the air exhaust heat exchange babinet, the third air heat exchanger Positioned at the weather gage of the compressor.
As the preferred embodiment of the present invention:The compressor is frequency-changeable compressor;The centrifugal blower is frequency conversion wind Machine;The exhaust blower is centrifugal blower.
Compared with prior art, the invention has the advantages that:
First, the present invention is used by air-conditioner set cabinet, first filter, the first air heat exchanger, centrifugal blower, second The air-conditioner set of filter, the second air heat exchanger and humidifier composition, and using by air exhaust heat exchange babinet, third air heat-exchange Device, compressor, four-way reversing valve and exhaust fan unit at air exhaust heat exchange case, and the air-conditioner set and air exhaust heat exchange case are subjected to group It closes so that four kinds of working methods can be operated in by the direction switching of four-way reversing valve by combining the air-treatment unit of formation Under so that user can reasonably select refrigeration, heating, dehumidifying, all-fresh air operational mode under different climatic environments, therefore, The needs of present invention can not only meet user's whole year to fresh air and thermal comfort, and can reach the purpose of energy-saving run.
Second, the present invention carries independent cooling source, is not necessarily to external low-temperature receiver, and the complete air-conditioning system of self-contained, mounting arrangements are flexible, Strong applicability.
Third, air exhaust heat exchange case of the present invention can make full use of the waste heat of indoor exhaust wind, when refrigeration mode, use When the condensation temperature for reducing included low-temperature receiver, heating mode, the evaporating temperature for improving included low-temperature receiver, to greatly improve certainly Operational energy efficiency with low-temperature receiver realizes energy-saving run.
4th, the present invention is provided with the second air heat exchanger, instead of electrical heating, not only using the condensation of included low-temperature receiver Heat realizes that the heating to wind pushing temperature regulates and controls, it is ensured that air-supply is met the requirements, and the energy waste for avoiding cold-hot counteraction is existing As.Meanwhile the present invention uses the form of direct evaporating-cooling dehumidifying, effect on moisture extraction stronger compared with chilled water coil cooling and dehumidifying ability More preferably, the dehumidifying that can meet southern area " return to Nan Tian " season does not cool down service requirement.
5th, the present invention be provided with multiple motorized adjustment air-valves, can the new return air ratio of flexible modulation and air output, especially In transition season, it can be achieved that all-fresh air is run, meanwhile, it, can be according to end load using frequency conversion centrifugal blower and frequency-changeable compressor Variation, timely adjustment operating states of the units realize energy saving fortune to greatest extent to ensure indoor healthy, comfortable Capable purpose.
Description of the drawings
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments:
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the systematic schematic diagram of the present invention.
Specific implementation mode
As depicted in figs. 1 and 2, disclosed by the invention is a kind of air-treatment unit of included low-temperature receiver, is equipped with air-conditioner set Cabinet 14 and air exhaust heat exchange babinet 13;Air-conditioner set cabinet 14 is equipped with fresh air air inlet 18, air outlet 19 and return air inlet 16, fresh air Air inlet 18 is used to be connected to the inside of outdoor environment and air-conditioner set cabinet 14, and air outlet 19 is for being connected to indoor environment and air-conditioning The inside of unit cabinet 14;Air exhaust heat exchange babinet 13 is equipped with air draft air inlet 15 and air draft air outlet 17, and air draft air inlet 15 is used In the inside of connection indoor environment and air exhaust heat exchange babinet 13, air draft air outlet 17 is for being connected to outdoor environment and air exhaust heat exchange case The inside of body 13.
The present invention inventive concept be:
Pacify successively according to the airflow direction by fresh air air inlet 18 to air outlet 19 inside of air-conditioner set cabinet 14 Equipped with first filter 24, the first air heat exchanger 10, centrifugal blower 11, the second filter 25,12 and of the second air heat exchanger Humidifier 26, return air inlet 16 are connected to indoor environment and the first strain position inside air-conditioner set cabinet 14, the first filtering position Setting between first filter 24 and the first air heat exchanger 10;So that entering air-conditioner set cabinet 14 through fresh air air inlet 18 Interior outdoor fresh air A is mixed with the room air C from return air inlet 16, is then mixed after being filtered by first filter 24 Air passes sequentially through the first air heat exchanger 10, centrifugal blower 11, the second filter 25, the second air heat exchanger 12 and humidifier Become mixing wind B after 26, then is blown out from air outlet 19.
The inside of air exhaust heat exchange babinet 13 is equipped with third air heat exchanger 5, compressor 1, four-way reversing valve 2 and exhaust blower 9, the air outlet connection air draft air outlet 17 of exhaust blower 9;So that entering the room in air exhaust heat exchange babinet 13 through air draft air inlet 15 Interior air D, which is passed sequentially through, becomes air draft E after third air heat exchanger 5, four-way reversing valve 2, compressor 1 and exhaust blower 9, then from row Wind air outlet 19 is blown out.Wherein, third air heat exchanger 5 is preferably placed at the weather gage of compressor 1.
The d of a interfaces of the outlet connection four-way reversing valve 2 of compressor 1, the import connection four-way reversing valve 2 of compressor 1 connects Mouthful, the b interfaces of four-way reversing valve 2 are divided into two branches, and the first branch connects a interfaces of third air heat exchanger 5, and the second branch is logical The a interfaces that the first solenoid valve 3 connects the second air heat exchanger 12 are crossed, the c interfaces of four-way reversing valve 2 connect the first air heat exchanger 10 b interfaces, a interfaces of the first air heat exchanger 10 connect the first interface of the first electric expansion valve 7, the first electric expansion valve 7 second interface is divided into two branches, and the first branch connects the b interfaces of third air heat exchanger 5 by the second electric expansion valve 6, The second branch connects the b interfaces of the second air heat exchanger 12 by second solenoid valve 8.
Preferably, above-mentioned first electric expansion valve 7 is advisable close to a interfaces installation of the first air heat exchanger 10;Above-mentioned Two electric expansion valves 6 are advisable close to the b interfaces installation of third air heat exchanger 5.
Preferably, in two branches that the b interfaces of four-way reversing valve 2 are separated, the first branch is connected by third solenoid valve 4 Connect a interfaces of third air heat exchanger 5.Wherein, third solenoid valve 4 is advisable close to a interfaces installation of third air heat exchanger 5.
The working method of the present invention is as follows:
Working method one:When needing refrigeration, such as during the broiling summer, the present invention starts refrigeration mode, and compressor 1 opens Dynamic, humidifier 26 is closed, and a interfaces of four-way reversing valve 2 are communicated with b interfaces, and c interfaces are communicated with d interfaces, at this point, the first air Heat exchanger 10 is used as evaporator, the second air heat exchanger 12 that heater, third air heat exchanger 5 is used as to be used as condenser, refrigeration The refrigeration cycle flow of agent is divided into two-way, and the first via is:1 → four-way reversing valve of compressor 2 (a is interfaced to b interfaces) → third electricity 4 → third of magnet valve, 5 → the second electric expansion valve of air heat exchanger, 6 → the first electric expansion valve, 7 → the first air heat exchanger 10 → Four-way reversing valve 2 (c is interfaced to d interfaces) → compressor 1;Second tunnel is:(a is interfaced to b and connects 1 → four-way reversing valve of compressor 2 Mouthful) → 3 → the second 12 → second solenoid valve of air heat exchanger of the first solenoid valve, 8 → the first electric expansion valve, 7 → the first air changes Hot 10 → four-way reversing valve of device 2 (c is interfaced to d interfaces) → compressor 1.
The course of work of refrigeration mode of the present invention:Outdoor fresh air A enters through fresh air air inlet 18 in air-conditioner set cabinet 14, It after the filtering of first filter 24, is mixed with the room air C from return air inlet 16, relatively clean room air C is made not have to First filter 24 filters, mixed air first through the first air heat exchanger 10 (being used as evaporator at this time) cooling and dehumidifying, Then it is conveyed by centrifugal blower 11, then through the filtering of the second filter 25, then by the second air heat exchanger 12 (at this time as heating Device) it is heated to suitable humiture, humidifier 26 is then flowed through, last mixing wind B is sent out from air outlet 19, it is ensured that is sent into Indoor air meets fresh air and thermal comfort requirement;Meanwhile room air D enters air exhaust heat exchange babinet through air draft air inlet 15 In 13, third air heat exchanger 5 (being used as condenser at this time) is first passed around so that flow through the refrigerant of third air heat exchanger 5 Heat exchange to room air D, that is, flow through third air heat exchanger 5 refrigerant cooling be used for the first air heat exchanger 10 The cooling and dehumidifying of (at this time as evaporator) acts on, and is then heated up by the room air D of third air heat exchanger 5, then rises Room air D after temperature is conveyed by exhaust blower 9 again, and the room air D after finally heating up send as air draft E from air draft air outlet 19 Go out to outdoor environment, completes the condensing heat-exchange process of third air heat exchanger 5.In the refrigeration mode, the first electric expansion valve 7 Play throttling action;First solenoid valve 3 and second solenoid valve 8 are additionally operable to adjust the refrigerant stream for flowing through the second air heat exchanger 12 Amount, to which the second air heat exchanger 12 of regulation and control is to the heating amount of mixing wind.
Working method two:When needing heating, such as in cold winter, the present invention starts heating mode, and compressor 1 opens Dynamic, the first solenoid valve 3 and second solenoid valve 8 are closed, and a interfaces of four-way reversing valve 2 are communicated with c interfaces, b interfaces and d interface phases It is logical, at this point, the first air heat exchanger 10 is used as condenser, the second air heat exchanger 12 not to work, 5 conduct of third air heat exchanger The heating circulation process of evaporator, refrigerant is:1 → four-way reversing valve of compressor 2 (a is interfaced to c interfaces) → first air changes 10 → the first electric expansion valve of hot device, 7 → the second electric expansion valve 6 → third air heat exchanger 5 → third, 4 → four-way of solenoid valve Reversal valve 2 (b is interfaced to d interfaces) → compressor 1.
The course of work of heating mode of the present invention:Outdoor fresh air A enters through fresh air air inlet 18 in air-conditioner set cabinet 14, After the filtering of first filter 24, mixed with the room air C from return air inlet 16, mixed air is first through the first air Heat exchanger 10 (being used as condenser at this time) heat temperature raising, is then conveyed by centrifugal blower 11, then filter, connect through the second filter 25 It and flows through the second air heat exchanger 12 (not working at this time), then humidified device 26 humidifies, and last mixing wind B is sent from air outlet 19 Go out, it is ensured that be sent into indoor air and meet fresh air and thermal comfort requirement;Meanwhile room air D enters through air draft air inlet 15 In air exhaust heat exchange babinet 13, third air heat exchanger 5 (being used as evaporator at this time) is first passed around so that the heat of room air D The refrigerant for flowing through third air heat exchanger 5 is exchanged to, that is, the refrigerant heating for flowing through third air heat exchanger 5 is empty for first The heat temperature raising of gas heat exchanger 10 (at this time as condenser) acts on, and is then dropped by the room air D of third air heat exchanger 5 Temperature, the room air D after then cooling down are conveyed by exhaust blower 9 again, and the room air D after finally cooling down becomes air draft E from air draft Air outlet 19 passes out to outdoor environment, completes the evaporation and heat-exchange process of third air heat exchanger 5.In the heating mode, second Electric expansion valve 6 plays throttling action.
Working method three:When needing dehumidifying, such as " going back to Nan Tian " season in southern area, the present invention start dehumidifying mould Formula, compressor 1 start, and humidifier 26 is closed, and a interfaces of four-way reversing valve 2 are communicated with b interfaces, and c interfaces are communicated with d interfaces, this When, the first air heat exchanger 10 is used as evaporator, the second air heat exchanger 12 to be used as heater, 5 conduct of third air heat exchanger Condenser, the same refrigeration mode of dehumidifying circulation process and the course of work of refrigerant, it is only necessary to by controlling the first air heat exchanger 10 evaporating temperature and refrigerating capacity and the heating amount of the second air heat exchanger 12 are realized.
Working method four:When all-fresh air is run, such as in other periods in addition to above-mentioned season, without refrigeration, heating And dehumidifying, therefore, close compressor 1 and motorized adjustment air-valve 21.
The course of work of all-fresh air operation of the present invention:Outdoor fresh air A enters air-conditioner set cabinet 14 through fresh air air inlet 18 It is interior, it is filtered first through first filter 24, the first air heat exchanger 10 (not working at this time) is then flowed through, then by centrifugal blower 11 convey, then are filtered through the second filter 25, then flow through the second air heat exchanger 12 (not working at this time) and humidifier 26, most It is sent out afterwards from air outlet 19, obtains clean fresh air B, it is ensured that be sent into indoor fresh air and meet the requirements;Meanwhile room air D warps Air draft air inlet 15 enters in air exhaust heat exchange babinet 13, passes through third air heat exchanger 5 (not working at this time) successively, four-way commutates Valve 2 and compressor 1, are then conveyed by exhaust blower 9, and last air draft E is sent out from air draft air outlet 19.
Wherein, the second air heat exchanger 12 is connected in parallel with the formation of third air heat exchanger 5, makes the present invention in refrigeration mode When, the second air heat exchanger 12 can rationally utilize the condensation heat of included low-temperature receiver to heat air, the second air heat exchanger 12 and third Air heat exchanger 5 is connected in series with the formation of the first air heat exchanger 10, makes refrigeration and heating loop reasonable combination.
It should be noted that above-mentioned third solenoid valve 4 is for adjusting the refrigerant stream for flowing through third air heat exchanger 5 Amount, to regulate and control the heating of the heat dissipation capacity and the second air heat exchanger of assistant regulating and controlling 12 of third air heat exchanger 5 to mixing wind Third solenoid valve 4 can not also be arranged in amount, the present invention, this does not influence the present invention and realizes above-mentioned four groups of working methods.
On the basis of foregoing invention is conceived, the present invention uses following preferred structure:
As the preferred embodiment of the present invention:Fresh air air inlet 18 is equipped with the first motorized adjustment air-valve 22, is adjusted Enter the air quantity of the outdoor fresh air A in air-conditioner set cabinet 14 by fresh air air inlet 18, air outlet 19 is equipped with the second electric adjustable Air-valve 23, the air quantity of the adjustable mixing wind B sent out by air outlet 19 are saved, return air inlet 16 is equipped with third motorized adjustment air-valve 21, the air quantity for entering the room air C in air-conditioner set cabinet 14 by return air inlet 16 is adjusted;Air draft air inlet 15 is equipped with The air quantity for entering the room air D in air exhaust heat exchange babinet 13 by air draft air inlet 15 is adjusted in four motorized adjustment air-valves 20.
As the preferred embodiment of the present invention:In the inside of air exhaust heat exchange babinet 13, third air heat exchanger 5 is located at pressure The weather gage of contracting machine 1 avoids the heat dissipation of compressor 1 from changing third air heat exchanger 5 (being at this time condenser) in refrigeration mode The influence of thermal effect.
As the preferred embodiment of the present invention:Centrifugal blower 11 uses frequency conversion fan, variable ratio frequency changer to adjust by air outlet 19 The air quantity of the mixing wind B of submitting;Compressor 1 uses frequency-changeable compressor, can carry cold according to the variation of end load, timely adjustment The refrigeration or heating capacity in source;Exhaust blower is centrifugal blower, it is ensured that air draft wind pressure is met the requirements.
The present invention is not limited to above-mentioned specific implementation mode, according to the above, according to the ordinary technical knowledge of this field And customary means, under the premise of not departing from above-mentioned basic fundamental thought of the invention, the present invention can also make other diversified forms Equivalent modifications, replacement or change, all fall among protection scope of the present invention.

Claims (5)

1. a kind of air-treatment unit of included low-temperature receiver is equipped with air-conditioner set cabinet (14) and air exhaust heat exchange babinet (13), described Air-conditioner set cabinet (14) is equipped with fresh air air inlet (18), air outlet (19) and return air inlet (16), the fresh air air inlet (18) Inside for being connected to outdoor environment and the air-conditioner set cabinet (14), the air outlet (19) for be connected to indoor environment with The inside of the air-conditioner set cabinet (14), the air exhaust heat exchange babinet (13) are equipped with air draft air inlet (15) and air draft air outlet (17), the air draft air inlet (15) is used to be connected to the inside of the indoor environment and the air exhaust heat exchange babinet (13), described Air draft air outlet (17) is used to be connected to the inside of outdoor environment and the air exhaust heat exchange babinet (13), it is characterised in that:
The inside of the air-conditioner set cabinet (14) is according to the air-flow by the fresh air air inlet (18) to the air outlet (19) Circulating direction is sequentially installed with first filter (24), the first air heat exchanger (10), centrifugal blower (11), the second filter (25), the second air heat exchanger (12) and humidifier (26), the return air inlet (16) are connected to the indoor environment and the air-conditioning The first internal strain position of unit cabinet (14), first strain position are located at the first filter (24) and the first air Between heat exchanger (10);
The inside of the air exhaust heat exchange babinet (13) is equipped with third air heat exchanger (5), compressor (1), four-way reversing valve (2) The air draft air outlet (17) is connected with the air outlet of exhaust blower (9), the exhaust blower (9);
The outlet of the compressor (1) connects a interfaces of the four-way reversing valve (2), and the import of the compressor (1) connects institute State the d interfaces of four-way reversing valve (2), the b interfaces of the four-way reversing valve (2) are divided into two branches, first branch connection described the The a interfaces of three air heat exchangers (5), the second branch connect a of second air heat exchanger (12) by the first solenoid valve (3) Interface, the c interfaces of the four-way reversing valve (2) connect the b interfaces of first air heat exchanger (10), and first air changes The a interfaces of hot device (10) connect the first interface of the first electric expansion valve (7), and the second of first electric expansion valve (7) connects Mouth is divided into two branches, and the first branch connects the b interfaces of the third air heat exchanger (5) by the second electric expansion valve (6), the Two branches connect the b interfaces of second air heat exchanger (12) by second solenoid valve (8).
2. the air-treatment unit of included low-temperature receiver according to claim 1, it is characterised in that:In the four-way reversing valve (2) in two branches that b interfaces are separated, the first branch connects the third air heat-exchange by third solenoid valve (4) The a interfaces of device (5).
3. the air-treatment unit of included low-temperature receiver according to claim 1 or 2, it is characterised in that:The fresh air air inlet (18) the first motorized adjustment air-valve (22) is installed, the air outlet (19) is equipped with the second motorized adjustment air-valve (23), described Return air inlet (16) is equipped with third motorized adjustment air-valve (21);The air draft air inlet (15) is equipped with the 4th motorized adjustment air-valve (20)。
4. the air-treatment unit of included low-temperature receiver according to claim 1 or 2, it is characterised in that:In the air exhaust heat exchange The inside of babinet (13), the third air heat exchanger (5) are located at the weather gage of the compressor (1).
5. the air-treatment unit of included low-temperature receiver according to claim 1 or 2, it is characterised in that:The compressor (1) is Frequency-changeable compressor;The centrifugal blower (11) is frequency conversion fan;The exhaust blower (9) is centrifugal blower.
CN201810167992.5A 2018-02-28 2018-02-28 A kind of air-treatment unit of included low-temperature receiver Pending CN108286755A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810167992.5A CN108286755A (en) 2018-02-28 2018-02-28 A kind of air-treatment unit of included low-temperature receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810167992.5A CN108286755A (en) 2018-02-28 2018-02-28 A kind of air-treatment unit of included low-temperature receiver

Publications (1)

Publication Number Publication Date
CN108286755A true CN108286755A (en) 2018-07-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810167992.5A Pending CN108286755A (en) 2018-02-28 2018-02-28 A kind of air-treatment unit of included low-temperature receiver

Country Status (1)

Country Link
CN (1) CN108286755A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109163391A (en) * 2018-09-10 2019-01-08 杭州源牌科技股份有限公司 A kind of cold and hot air-conditioning system in geomantic omen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109163391A (en) * 2018-09-10 2019-01-08 杭州源牌科技股份有限公司 A kind of cold and hot air-conditioning system in geomantic omen

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