CN110254168A - A kind of engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system - Google Patents
A kind of engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system Download PDFInfo
- Publication number
- CN110254168A CN110254168A CN201910552331.9A CN201910552331A CN110254168A CN 110254168 A CN110254168 A CN 110254168A CN 201910552331 A CN201910552331 A CN 201910552331A CN 110254168 A CN110254168 A CN 110254168A
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- air
- fresh air
- fresh
- dust
- import system
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00378—Air-conditioning arrangements specially adapted for particular vehicles for tractor or load vehicle cabins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
- B60H1/26—Ventilating openings in vehicle exterior; Ducts for conveying ventilating air
Abstract
The present invention provides a kind of engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system, compressor, condenser, throttle valve and evaporator including being sequentially connected and forming refrigeration system；It is characterized in that: further include fresh air import system, the fresh air import system includes fresh air channel and the air-supply passage that is connected with the fresh air channel, and the evaporator is mounted in the air-supply passage, and the fresh air in the fresh air channel is passed through the air-supply passage；The air-supply passage open car；It further include water tank, one end of the water tank connects the fresh air channel, and the water tank can spray into water mist to the fresh air channel, adheres to the particle in the fresh air in the fresh air channel by water mist and settles.Water tank sprays into water mist to fresh air, and the particle in fresh air is adhered to and fallen by water mist, has the effect of fresh air channel dust-proof anti-blocking.
Description
Technical field
The present invention relates to automobile air conditioning technology fields, and in particular to a kind of engineering with dust-proof anti-blocking fresh air import system
Vehicle air-conditioning device.
Background technique
Engineering truck refers to the vehicle for undertaking construction machinery spot repair or completing certain particular job operation, common work
Journey vehicle has sanitation cart, excavator, road roller, bull-dozer etc..
For need of work, the working environment of engineering truck is often more severe, and dust particles are more, and air quality is lower,
When the operation of air conditioner of engineering truck, the particulate matter contained in the fresh air that fresh air import system imports is more, and fresh air import system
Pipeline is often blocked by particulate matter.
In this regard, existing solution is the import volume for installing strainer additional in fresh air channel, or reducing fresh air.But it is imitated
Fruit is limited.
Summary of the invention
In view of the above technical problems, the present invention is intended to provide a kind of engineering truck with dust-proof anti-blocking fresh air import system is empty
Adjust device.
In order to solve the above technical problems, the embodiment of the present invention is realized using following technical scheme:
A kind of engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system, including be sequentially connected and form refrigeration system
Compressor, condenser, throttle valve and the evaporator of system；
It further include fresh air import system, the fresh air import system includes fresh air channel and is connected with the fresh air channel
Air-supply passage, the evaporator are mounted in the air-supply passage, and the fresh air in the fresh air channel is passed through the air-supply passage；
The air-supply passage open car, being used for will be by the evaporator treated air delivery to compartment；
It further include water tank, one end of the water tank connects the fresh air channel, and the water tank can be to the fresh air channel
Water mist is sprayed into, adheres to the particle in the fresh air in the fresh air channel by water mist and settles；
The water tank is also built-in with water pump, for providing power for the water tank；
Ash discharge slot is equipped in the fresh air channel, the particle of sedimentation can be discharged for the ash discharge slot.
Valuably or illustratively, the fresh air import system further include: return air channel and the phase with the return air channel
Air exhaust passage even, the return air in the return air channel are passed through the air exhaust passage；The air exhaust passage will be passed through therein time
Wind is expelled to outside compartment.
It valuably or illustratively, further include the axial flow blower of adjustable aperture, the axial flow blower described can will return
The air-supply passage is extracted and be passed through to part return air in wind channel out, mixes the part return air and fresh air.
Valuably or illustratively, the fresh air channel front end is equipped with fresh-air fan, and the fresh-air fan is to by fresh air
It is sucked into the fresh air channel, the fresh-air fan is centrifugal fan.
Valuably or illustratively, the fresh-air fan includes first impeller disk and second impeller disk being oppositely arranged, institute
It states and is provided with impeller between first and second impeller disk, first impeller disk is connected with first motor, second impeller disk middle part
Suction chamber equipped with perforation；
It further include shell, first and second impeller disk is placed in the enclosure interior；The enclosure interior is connected to air outlet,
Fresh air flows into the fresh air channel by the air outlet.
It valuably or illustratively, further include annular filter screen, the annular filter screen surrounds first and second impeller disk, makes
Gas after the impeller could flow to the air outlet after need to initially passing through the annular filter screen.
Valuably or illustratively, the annular filter screen is also connected with the second motor, and second motor can drive institute
State annular filter screen eccentric rotary.
Valuably or illustratively, the enclosure interior is also communicated with ash discharging hole, and the ash discharging hole connection is extraneous, is additionally provided with
Headstock gear, the headstock gear can control the opening and closing of the ash discharging hole and the air outlet.
Valuably or illustratively, when annular filter screen eccentric rotary described in second motor driven, the headstock gear
It closes the air outlet and opens the ash discharging hole, while the first motor drives first and second impeller disk rotation；At this time
Particle on the annular filter screen is shaken off under the action of eccentric rotary, and particle is under the action of the air-flow that the impeller drives
It is discharged from the ash discharging hole.
Valuably or illustratively, the evaporator is parallel flow evaporators.
Valuably or illustratively, the compressor, condenser, throttle valve and evaporator form integral air conditioner.
Various embodiments of the invention have the advantages that are as follows:
1, the present invention sprays into water mist to fresh air by the way that a kind of fresh air import system, water tank is arranged, and the particle in fresh air is by water
Mist adheres to and falls, and reduces the particle concentration in fresh air, achievees the effect that fresh air channel is dust-proof anti-blocking.
2, fresh-air fan of the invention is centrifugal blower, and the annular around first and second impeller disk is equipped in centrifugal blower
Strainer, necessary annular filter screen filtering before making fresh air enter fresh air channel；New wind pressure after centrifugal blower acts on simultaneously
It increases and radial velocity reduction, i.e., fresh air is reduced by the speed of annular filter screen, and the filter effect of annular filter screen is more preferable.
3, the present invention is able to drive annular filter screen eccentric rotary, and then shake off particle, simultaneously also by the second motor of setting
Ash discharging hole and headstock gear are set, closes air outlet in annular filter screen eccentric rotary and opens ash discharging hole, make on annular filter screen
Particle under the action of centrifugal blower air-flow from ash discharging hole be discharged, avoid the particle when clearing up annular filter screen from entering in compartment
Portion.
4, the present invention is combined in the way of the annular filter screen of fresh-air fan and water tank spray for dust suppression, is carried out repeatedly to fresh air
Dust removal process, dust removing effects are good, realize dust-proof anti-blocking function.
5, the present invention applies on engineering truck, and the dust that can be reduced in environment enters compartment, is effectively improved engineering truck behaviour
The working environment of work person.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the fresh air import system schematic diagram of one embodiment of the invention；
Fig. 2 is the sectional view of the fresh-air fan of one embodiment of the invention；
Fig. 3 is the side sectional view at first and second impeller disk of one embodiment of the invention；
Fig. 4 is the annular filter screen side sectional view of one embodiment of the invention；
Fig. 5 is side sectional view of the annular filter screen of one embodiment of the invention in conjunction with first and second impeller disk；
Fig. 6 is the sectional view at the ash discharging hole for the fresh-air fan for inventing an embodiment.
Appended drawing reference:
1- compressor；2- condenser；3- throttle valve；4- evaporator；10- water tank；20- return air channel；30- fresh-air fan；
40- fresh air channel；50- air-supply passage；60- air exhaust passage；70- axial flow blower；301- shell；First impeller disk of 302-；303-
Second impeller disk；304- impeller；305- annular filter screen；306- air outlet；307- first motor；The second motor of 308-；309- inhales
Air cavity；310- ash discharging hole.
Specific embodiment
The invention will be further described with following embodiment with reference to the accompanying drawing.
A kind of engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system, including be sequentially connected and form refrigeration system
Compressor 1, condenser 2, throttle valve 3 and the evaporator 4 of system；It is characterized in that: the engineering truck more for working environment fugitive dust.
It further include fresh air import system, fresh air import system includes fresh air channel 40 and the air-supply that is connected with fresh air channel 40
Channel 50, evaporator 4 are mounted in air-supply passage 50, and the fresh air in fresh air channel 40 is passed through air-supply passage 50.
50 open car of air-supply passage, will be by treated the air delivery to compartment of evaporator 4.
It further include water tank 10, one end of water tank 10 connects fresh air channel 40, and sprays into water mist to fresh air channel 40, makes fresh air
Particle sedimentation in fresh air in channel 40.
Water tank 10 is also built-in with water pump, for providing power for water tank 10.
In one embodiment, water tank 10 is also connected with external water source, so that the water level of the water tank 10 is in certain time
It is interior to be in maintenance level；In another embodiment, water tank 10 keeps cistern water level to stablize by the way of artificial recharge.
In one embodiment, the other end of water tank 10 connects evaporator 4, for collecting the condensed water at evaporator 4.
In present embodiment, the higher fresh air of water content flow to cooling heat release at evaporator 4 after spraying treatment, and moisture is evaporating at this time
It is condensed at device 4, and is back to water tank 10, realize recycling for water, 10 dust removing effects of water tank are effective for a long time.Routinely, it evaporates
The general mounting height of device 4 is lower, and water tank 10, which is likely to occur, to be difficult to the case where recycling condensed water, not use present embodiment at this time.
In one embodiment, ash discharge slot is equipped in fresh air channel 40, the particle of sedimentation can be discharged for ash discharge slot.
40 side of fresh air channel connect compartment outside, the other side connect air-supply passage 50 side, air-supply passage 50 it is another
Side is then in open car.In the course of work, the system of the compressor 1, condenser 2, throttle valve 3 and the composition of evaporator 4 that are sequentially connected
Cooling system operates, and the air in air-supply passage 50 exchanges heat with the refrigerant in evaporator 4, and temperature reduces, and is then sent to
In compartment, refrigeration is realized.
Meanwhile during refrigerant heat exchanger in air and evaporator 4, the hydrogenesis in air is at water flow, quilt
Water tank 10 recycles.
It is equipped with atomising device in water tank 10, is water mist by the atomization of water current recycled from evaporator 4, and by water mist to fresh air
It is sprayed into channel 40, from the fresh air with particulate matter entered in fresh air channel 40 under the adhewsive action of water mist, therein
Grain object sedimentation, fresh air are purified.Deposited particulate matter is discharged via ash discharge slot.
It in one embodiment, is guarantee spray effect, water tank 10 is also connected with external water source, makes to supply spraying water
Amount is sufficient.
Above-mentioned dedusting method and its process remove the particle in fresh air by the way of spray for dust suppression, and dust removing effects are good,
Fresh air channel is set to be not easy to plug and enter dust；It is spraying simultaneously enough to be recycled with water energy, so that dedusting is effective for a long time.
According to a preferred embodiment of the present invention, fresh air import system further include: return air channel 20 and and return air channel
20 connected air exhaust passage 60, the return air in return air channel 20 are passed through the air exhaust passage 60；Air exhaust passage 60 will be passed through it
In return air be expelled to outside compartment.
In 20 side open car of return air channel, the other side is connect with the side of air exhaust passage 60, air exhaust passage 60 it is another
Side is then outside open car.
When air-conditioning device operates, return air channel 20 sucks air in a car compartment, and air in a car compartment is discharged via air exhaust passage 60；
Air-supply passage 50 supplements air into compartment simultaneously.The setting of return air, air exhaust passage ensure that stable gas pressure in compartment.
It according to a preferred embodiment of the present invention, further include the axial flow blower 70 of adjustable aperture, 70 energy of axial flow blower
It is enough to extract and be passed through the part return air in return air channel 20 out air-supply passage 50, mix the part return air and fresh air.
In one embodiment, return air channel 20 and the channel surface of air-supply passage 50 offset, the channel surface to offset
Place offers the cavity of connection return air channel 20 and air-supply passage 50, and axial flow blower 70 is arranged in cavity, enables axial flow blower 70
It is enough to extract and be passed through the part return air in return air channel 20 out air-supply passage 50, realize that part return air and air-supply passage 50 are original
Fresh air mixing, mixed gas passes through jointly at evaporator 4 to exchange heat with evaporator 4.
Return air part in return air channel 20 enters air-supply passage 50 by axial flow blower 70, mixes with fresh air, remaining part
Divide and is then discharged by air exhaust passage 60.
The lower return air of temperature is mixed with the higher fresh air of temperature, reduces the temperature of mixing wind, can be effectively reduced steaming
The caloric receptivity of device 4 is sent out, and then reduces the energy consumption of air-conditioning.And can adjust the axial flow blower 70 of aperture according to aperture and can then turn
The whole new wind ratio of velocity modulation farthest reduces air conditioning energy consumption while guaranteeing to have enough fresh airs in compartment.
According to a preferred embodiment of the present invention, 40 front end of fresh air channel is equipped with fresh-air fan 30, and fresh-air fan 30 is used
Fresh air is sucked into fresh air channel 40, fresh-air fan 30 is centrifugal fan.
According to a preferred embodiment of the present invention, fresh-air fan 30 includes first impeller disk 302 that is oppositely arranged and the
Two impeller disks 303 are provided with impeller 304 between first and second impeller disk 302,303, and first impeller disk 302 is connected with first motor
307, the suction chamber 309 of perforation is equipped in the middle part of second impeller disk 303；
It further include shell 301, first and second impeller disk 302,303 is placed in inside shell 301；Outlet air is connected to inside shell 301
Mouth 306, fresh air flow into fresh air channel 40 by air outlet 306.
When sucking fresh air, first motor 307 is operated, and first and second impeller disk 302,303 starts turning, and 304 turns of impeller
It is dynamic, negative pressure is formed at suction chamber 309, fresh air enters impeller 304 from suction chamber 309 under the action of negative pressure.Fresh air is between impeller 304
During therefrom the heart channel of Hang-Shaoyin impeller 304 flows to surrounding, under the action of impeller 304, actual internal area increases, radial flow prompt drop
Low, air pressure is increased.
Centrifugal fan structure is simple, easy for installation, and its discharge quantity of fan and wind pressure are larger, can convert gas kinetic energy
For wind pressure, it is suitable for steady air-supply.
It according to a preferred embodiment of the present invention, further include annular filter screen 305, annular filter screen 305 surrounds the first and second leaf
Wheel disc 302,303 could flow to air outlet 306 after making the gas after impeller 304 that need to initially pass through annular filter screen 305.
Annular filter screen 305 surrounds first and second impeller disk 302,303, necessary annular filter before making fresh air enter fresh air channel
Net filtration.After the effect of centrifugal blower, air pressure increases fresh air simultaneously, and radial velocity reduces, i.e., gas passes through annular filter screen
Speed reduce, filter effect is more preferable.
According to a preferred embodiment of the present invention, annular filter screen 305 is also connected with the second motor 308, the second motor 308
305 eccentric rotary of annular filter screen can be driven.
According to a preferred embodiment of the present invention, ash discharging hole 310 is also communicated with inside shell 301, ash discharging hole 310 connects
The external world, is additionally provided with headstock gear, and headstock gear can control the opening and closing of ash discharging hole 310 and air outlet 306.
This preferred embodiment drives annular filter screen eccentric rotary by the second motor of setting, shakes annular filter screen 305, trembles
The particle of attachment thereon is fallen, while ash discharging hole 310 and headstock gear are set, air outlet 306 is closed in eccentric rotary and opens
Ash discharging hole 310, particle are discharged under the action of 30 air-flow of fresh-air fan from ash discharging hole 310, and particle is avoided to enter air outlet 306,
And enter interior by air-supply passage 50.
In use process, when the second motor 308 drives 305 eccentric rotary of annular filter screen, headstock gear closes air outlet 306
And ash discharging hole 310 is opened, while first motor 307 drives the rotation of first and second impeller disk 302,303；At this time on annular filter screen 305
Particle shaken off under the action of eccentric rotary, particle is under the action of the air-flow that impeller 304 drives from 310 row of ash discharging hole
Out.
In normal work, headstock gear opens air outlet 306 and closes ash discharging hole 310.
The mode of 10 spray for dust suppression of annular filter screen 305 and water tank of this preferred embodiment fresh-air fan combines, to fresh air into
The multiple dust removal process of row, dust removing effects are good, realize dust-proof anti-blocking function.
In one embodiment, water tank 10 can also be connect with annular filter screen 305, and spray into water to annular filter screen 305
Mist, to clean annular filter screen 305.
According to a preferred embodiment of the present invention, evaporator 4 is parallel flow evaporators.
According to a preferred embodiment of the present invention, compressor 1, condenser 2, throttle valve 3 and evaporator 4 form monoblock type
Air-conditioning.
In one embodiment, compressor 1 can be built in compartment；In another embodiment, 1 energy of compressor
It is enough external outside compartment.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (10)
1. a kind of engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system, including be sequentially connected and form refrigeration system
Compressor (1), condenser (2), throttle valve (3) and evaporator (4)；It is characterized in that:
Further include fresh air import system, the fresh air import system include fresh air channel (40) and with the fresh air channel (40) phase
Air-supply passage (50) even, the evaporator (4) is mounted in the air-supply passage (50), new in the fresh air channel (40)
Wind is passed through the air-supply passage (50)；
Air-supply passage (50) open car, being used for will be by the evaporator (4) treated air delivery to compartment
It is interior；
It further include water tank (10), one end of the water tank (10) connects the fresh air channel (40), and the water tank (10) can be to
The fresh air channel (40) sprays into water mist, adheres to the particle in the fresh air in the fresh air channel (40) by water mist and settles；
The water tank (10) is also built-in with water pump, for providing power for the water tank (10)；
Ash discharge slot is equipped in the fresh air channel (40), the particle of sedimentation can be discharged for the ash discharge slot.
2. a kind of engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system according to claim 1, feature
The fresh air import system further include: return air channel (20) and with the air exhaust passage of the return air channel (20) being connected
(60), the return air in the return air channel (20) is passed through the air exhaust passage (60)；The air exhaust passage (60) will be passed through wherein
Return air be expelled to outside compartment.
3. a kind of engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system according to claim 2, feature
It is the axial flow blower (70) for further including adjustable aperture, the axial flow blower (70) can will be in the return air channel (20)
Part return air is extracted out and is passed through the air-supply passage (50), and the part return air and fresh air are mixed.
4. a kind of engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system according to claim 1, feature
It is that fresh air channel (40) front end is equipped with fresh-air fan (30), the fresh-air fan (30) is described fresh air to be sucked into
Fresh air channel (40), the fresh-air fan (30) are centrifugal fan.
5. a kind of engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system according to claim 4, feature
It is that the fresh-air fan (30) includes first impeller disk (302) and second impeller disk (303) being oppositely arranged, described first and second
It is provided between the impeller disk (302,303) impeller (304), first impeller disk (302) is connected with first motor (307), institute
State the suction chamber (309) that perforation is equipped in the middle part of second impeller disk (303)；
It further include shell (301), it is internal that first and second impeller disk (302,303) is placed in the shell (301)；The shell
(301) internal to be connected to air outlet (306), fresh air flows into the fresh air channel (40) by the air outlet (306).
6. a kind of engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system according to claim 5, feature
Being further includes annular filter screen (305), the annular filter screen (305) surround first and second impeller disk (302,303), make by
Gas after the impeller (304) could flow to the air outlet (306) after need to initially passing through the annular filter screen (305).
7. a kind of engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system according to claim 6, feature
It is that the annular filter screen (305) is also connected with the second motor (308), second motor (308) can drive the annular filter
Net (305) eccentric rotary.
8. a kind of engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system according to claim 6, feature
It is also to be communicated with ash discharging hole (310) inside the shell (301), ash discharging hole (310) connection is extraneous, is additionally provided with opening and closing dress
It sets, the headstock gear can control the opening and closing of the ash discharging hole (310) and the air outlet (306).
9. according to a kind of any engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system of claim 7 and 8,
It is characterized in that the headstock gear closes institute when second motor (308) drives annular filter screen (305) eccentric rotary
It states air outlet (306) and opens the ash discharging hole (310), while the first motor (307) drives first and second impeller disk
(302,303) it rotates；The particle on the annular filter screen (305) is shaken off under the action of eccentric rotary at this time, and particle is in institute
State impeller (304) drive air-flow under the action of from the ash discharging hole (310) be discharged.
10. a kind of engineering truck air-conditioning device with dust-proof anti-blocking fresh air import system according to claim 1, feature
Be, the evaporator (4) be parallel flow evaporators, and/or,
The compressor (1), condenser (2), throttle valve (3) and evaporator (4) form integral air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552331.9A CN110254168B (en) | 2019-06-24 | 2019-06-24 | Engineering truck air conditioning device with dustproof anti-blocking fresh air leading-in system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552331.9A CN110254168B (en) | 2019-06-24 | 2019-06-24 | Engineering truck air conditioning device with dustproof anti-blocking fresh air leading-in system |
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| CN110254168A true CN110254168A (en) | 2019-09-20 |
| CN110254168B CN110254168B (en) | 2020-03-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113183998A (en) * | 2021-06-17 | 2021-07-30 | 中铁十六局集团电气化工程有限公司 | Rail vehicle air conditioning device with heat comfort and breathing supply functions |
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| CN110254168B (en) | 2020-03-27 |
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