CN103625491B - There is the roof-mounted air-condition unit of active pressure defencive function - Google Patents
There is the roof-mounted air-condition unit of active pressure defencive function Download PDFInfo
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Abstract
The present invention relates to a kind of roof-mounted air-condition unit with active pressure defencive function, be installed on roof, comprise a housing, in housing, become indoor chamber by two the first baffle for separatings, outdoor chamber and ventilation lumen, described ventilation lumen is separated into Ji Feipai chamber, new wind chamber by second partition, described new wind chamber is provided with new wind entrance, new wind outlet and new wind high pressure positive blower, be provided with the useless mouth that enters in described useless row chamber, useless outlet, useless row's high pressure positive blower and useless row's fan with low voltage, described new wind outlet is communicated with described indoor chamber by air channel, the described useless mouth that enters is communicated with the useless air port that flows back in compartment by air channel. the present invention becomes one roof-mounted air-condition unit and the air interchanger with active pressure protecting function, can take a breath continuously and stable interior pressure under high-speed cruising and train high speed encounter conditions growing, in large tunnel, improves air conditioning comfortableness. can also simplify the air channel that is connected between air interchanger and air-conditioning unit, make the structure of complete machine more compact, reduce the weight of complete machine, meet the requirement that high-speed railway vehicle is more and more higher to lightweight simultaneously.<!--1-->
Description
Technical field
The present invention relates to a kind of active pressure protective device of rolling stock, particularly a kind of at high-speed railway vehicleThe integrated roof-mounted air-condition unit with the air interchanger of active pressure defencive function of upper use, belongs to railcarCar body manufacturing technology field.
Background technology
On rolling stock, in order to regulate the temperature and humidity of environment in compartment, all can at least install in every joint compartmentOne to two air-conditioning unit, air-conditioning unit has modular and split type two kinds of versions. Unitary air conditioner unit collectionBecome together, be divided into indoor and outside two parts, be installed on together top or the bottom of car body. Split type skyAdjust unit to be divided into indoor set and off-premises station two parts, indoor set is installed in compartment, and off-premises station is installed on car bodyTop or bottom.
Air-conditioning unit has air outlet, return air inlet and fresh wind port on the housing of indoor, and outdoor new wind is from fresh wind portEnter air-conditioning unit, after mixing with return air, deliver to through evaporimeter processing more indoor, to ensure the new of environment in compartmentFreshness and Thermal comfort.
In the time that rolling stock passes through tunnel or two car meetings with higher speed, the pressure outside car will have larger fluctuation,If without pressure wave protective device, larger pressure oscillation will be delivered to car by scavenge port (fresh wind port and useless row mouthful)In, make passenger feel tinnitus (passenger changes for excessive pressure and the sense of discomfort acoustically that produces), thereforeBullet train all needs to arrange pressure wave protective device. Pressure wave protective device is divided into active and passive type, activePressure protective device is offset the pressure oscillation outside car and is kept ventilation continuously by high-static pressure fan, and passive type pressure is protectedProtection unit cuts off the pressure oscillation outside car by closing scavenge port, has closed ventilatory simultaneously.
Roof-mounted air-condition unit at present only with passive type pressure protective device fit applications in EMU, rowCar external pressure fluctuations more frequently on circuit passive type pressure protective device act frequently, cause Che Neixin wind deficiencyAnd interior pressure control effect is unstable.
The patent No. is that 201020129718.8 patent discloses a kind of air changing device of high-speed railway, solution upperThe problem of stating, new wind outlet that it is provided with new wind entrance on housing, be connected with air-conditioning unit, useless enter mouthful andUseless outlet is provided with new wind blower fan and useless exhaust blower in housing, and the operating frequency of two blower fans is by control moduleIndependent control. In air interchanger, be also provided with for detection of the pressure sensor of car external pressure and the temperature of detected temperaturesDegree sensor, pressure sensor is connected with control module equally with temperature sensor, and control module is according to pressure signalWith the operating frequency of the new wind blower fan of temperature signal control and useless exhaust blower, reach the object that regulates air quantity, realize in carThe control of pressure, improves passenger's comfort level.
But disclosed air interchanger is installed on equipment compartment under car in this patent, if adopt roof-mounted air-condition unit, shouldAir interchanger need to be connected with the air-conditioning unit of roof by air channel, makes whole system air channel complicated layout, increasesComplete vehicle weight.
Summary of the invention
Main purpose of the present invention is to address the above problem and is not enough, and a kind of active pressure defencive function that has is providedRoof-mounted air-condition unit, compact conformation, can be continuously compartment new wind is provided, and improves comfort of passenger, and can meetVehicle lightweight requirements.
For achieving the above object, technical scheme of the present invention is:
A roof-mounted air-condition unit with active pressure defencive function, comprises a housing, in housing, passes through twoThe first baffle for separating becomes indoor chamber, outdoor chamber and ventilation lumen, and described ventilation lumen is separated into new wind chamber by second partitionAnd useless row chamber, being provided with new wind entrance, new wind outlet and new wind high pressure positive blower in described new wind chamber, described new wind is highThe inlet side of pressure fan and air side are communicated with new wind entrance and new wind outlet respectively, and described new wind outlet is by independentNew wind air channel be communicated with indoor chamber, being provided with in described useless row chamber useless enters mouthful, useless outlet, useless row's high-pressure blastMachine and useless row's fan with low voltage, the described useless mouth that enters is communicated with the useless exhaust outlet in compartment by air channel, at described new windChamber outlet and useless row exit, chamber are respectively arranged with new general mood movable valve and useless exhaust movable valve, described useless row's high-pressure blastThe inlet side of machine and air side enter mouthful and useless outlet is connected with useless respectively, the entrance of described useless row's fan with low voltage withOutlet is connected with useless exhaust movable valve and useless outlet respectively;
During lower than 160km/h, only open described new general mood movable valve and useless exhaust movable valve at car speed, beat simultaneouslyOpen the useless fan with low voltage of arranging, new wind arrives indoor chamber by new wind entrance through new wind air channel, and waste gas enters from the useless mouth that entersBehind useless row chamber, discharged by useless outlet through useless exhaust movable valve and under the effect of useless row's fan with low voltage;
When car speed is during higher than 160km/h, close described new general mood movable valve and useless exhaust movable valve, open new windHigh pressure positive blower and useless row's high pressure positive blower, new wind passes through new wind entrance through new wind under the effect of described new wind high pressure positive blowerAir channel arrives indoor chamber, and waste gas is discharged by useless under the effect of useless row's high pressure positive blower from useless entering mouth enters useless row chamberMouth is discharged.
Further, described new wind high pressure positive blower and useless row's high pressure positive blower all adopt high-static pressure fan.
Further, described air-conditioning unit is arranged on the end in compartment.
Further, the top board of described housing is made up of the oblique top plate of middle ceiling and both sides, described ceiling withBetween oblique top plate, there is an angle.
Further, described angle is 130-135 degree.
Further, described new wind entrance and described useless outlet are separately positioned on the described oblique top plate of both sides.
Further, described new wind entrance and described useless outlet place are provided with grid-like air port.
Further, described grid-like air port and described housing are one-body molded.
Further, described indoor chamber, outdoor chamber and ventilation lumen are arranged side by side, and described ventilation lumen is arranged on described outdoorOne side in chamber or be arranged on the side in described indoor chamber.
To sum up content, the roof-mounted air-condition unit with active pressure defencive function of the present invention, by overhead type skyAdjust unit and the air interchanger with active pressure protecting function to become one, the fortune at a high speed growing, in large tunnelWhen the intersection of rows and columns overall height speed, can take a breath continuously and stable interior pressure, improve air conditioning comfortableness. Meanwhile, haveThe air interchanger of active pressure defencive function and air-conditioning unit become one and are installed on roof, can simplify ventilation dressPut the air channel that is connected between air-conditioning unit, make the structure of complete machine more compact, reduced the weight of complete machine, meetThe requirement that high-speed railway vehicle is more and more higher to lightweight, because roof air ambient is good, can further improvePassenger inside the vehicle's comfort level.
Brief description of the drawings
Fig. 1 is internal structure schematic diagram of the present invention;
Fig. 2 is external structure schematic diagram of the present invention;
The side view of Fig. 3 Fig. 2.
As shown in Figure 1 to Figure 3, housing 1, the first dividing plate 2, indoor chamber 3, outdoor chamber 4, changes wind chamber 5, second partition6, new wind chamber 7, useless row chamber 8, newly wind entrance 9, new wind outlet 10, new wind high pressure positive blower 11, the useless mouth 12 that enters,Useless outlet 13, useless row's high pressure positive blower 14, ceiling 15, oblique top plate 16, angle 17, useless row's fan with low voltage 18,Evaporimeter 19, unit return air inlet 20, evaporation fan 21, electric heater 22, compressor 23, condenser 24, condensationBlower fan 25, new general mood movable valve 26, useless exhaust movable valve 27, installation foot 29.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
As shown in Figure 1, the roof-mounted air-condition unit with active pressure defencive function of the present invention, comprises oneHousing 1, the surrounding of housing 1 arranges installation foot 29, and installation foot 29 is bolted the air-conditioning installation that is installed on roofOn seat.
Space in housing 1 is separated into indoor chamber 3, outdoor chamber 4 and ventilation lumen 5 by two the first dividing plates 2, whole for makingMachine structure is more compact, and indoor chamber 3, outdoor chamber 4 and ventilation lumen 5 are longitudinally arranged side by side, and ventilation lumen 5 can be as Fig. 1Shown in be close to outdoor chamber 4, be arranged on a side in outdoor chamber 4, ventilation lumen 5 also can be close to indoor chamber 3, is arranged on chamberOne side of inner chamber 3, is arranged on the side in indoor chamber 3, can more shorten the new wind between ventilation lumen 5 and indoor chamber 3The length in air channel.
Wherein, in indoor chamber 3, be provided with evaporimeter 19, evaporation fan 21, electric heater 22, compressor 23 etc.,On the housing 1 in indoor chamber 3, offer unit blasting air mouth and unit return air inlet 20, unit blasting air mouth by supply air duct withThe guest room air outlet of opening on compartment roof plate connects, unit return air inlet 20 by return airway with open on compartment roof plateGuest room return air inlet connect. Through evaporimeter 19 air after treatment, under the effect of evaporation fan 21, pass through successivelyUnit blasting air mouth, supply air duct and guest room air outlet are sent in compartment, room air successively by guest room return air inlet,Return airway and unit return air inlet 20 enter indoor chamber 3.
Interior condenser 24, the condensation fan 25 etc. of arranging in outdoor chamber 4 offers too cold on the housing 1 in outdoor chamber 4Solidifying air inlet and condensation air outlet, under the effect of condensation fan, outdoor air enters outdoor chamber 4 from condensation air inlet,Carry out heat exchange with condenser, then discharge from condensation air outlet.
Ventilation lumen 5 is separated into new wind chamber 7 and the row of giving up chamber 8 by second partition 6, and new wind chamber 7 and 8 edges, useless row chamber are laterally alsoRow arranges.
On the housing 1 in new wind chamber 7, be provided with new wind entrance 9, on the first dividing plate 2 between new wind chamber 7 and outdoor chamber 4Offer new wind outlet 10 and new general mood movable valve 26, interior new wind high pressure positive blower 11, the new wind high-pressure blast of arranging in new wind chamber 7The inlet side of machine 11 communicates with new wind entrance 9, and the air side of new wind high pressure positive blower 11 is connected with new wind outlet 10. New windOutlet 10 is communicated with indoor chamber 3 by new wind air channel independently, in indoor chamber 3, mixes with the return air in compartment, mixesAir after closing and evaporimeter carry out heat exchange, then send in compartment by ducting system.
On the housing 1 in useless row chamber 8, being provided with to give up and entering mouth 12, useless outlet 13, the interior row's of the giving up high pressure that arranges in useless row chamber 8Blower fan 14, useless exhaust movable valve 27 and useless row's fan with low voltage 18, the inlet side of useless row's high pressure positive blower 14 and the useless mouth that enters12 connect, and the air side of useless row's high pressure positive blower 14 is connected with useless outlet 13, useless row's fan with low voltage 18 entrances and useless rowOperated pneumatic valve 27 connects, and useless row's fan with low voltage 18 outlets communicate with useless outlet 13. The useless mouth 12 that enters is opened in housing 1Diapire on, be communicated with the useless exhaust outlet (not shown) being opened on compartment roof plate by useless exhausting duct, give upUseless the flowing back between air port entering on mouth 12 and compartment roof plate also can not arrange air channel, utilizes compartment roof plate to roofBetween space as useless exhausting duct.
As shown in Figures 2 and 3, for housing 1 and the overall structure of roof are matched, the present embodiment is, housing 1Top board formed by the oblique top plate 16 of middle ceiling 15 and both sides, between ceiling 15 and oblique top plate 16, have oneAngle 17, angle 17 is preferably 130-135 degree, and new wind entrance 9 and useless outlet 13 are separately positioned on ventilation lumen 5 both sidesOblique top plate 16 on.
In the present embodiment, new wind high pressure positive blower 11 and useless row's high pressure positive blower 14 all adopt high-static pressure fan, to offset rowCar intersection or when the tunnel pressure oscillation outside car on the impact in car, separately in the outlet of new wind chamber and useless row chamber outletPlace is respectively arranged with new general mood movable valve 26 and useless exhaust movable valve 27.
During lower than 160km/h, do not need to carry out pressure protect at car speed, only open new general mood movable valve 26, useless rowOperated pneumatic valve 27 is opened useless row's fan with low voltage simultaneously. Under the suction function that new wind produces in the time that evaporation fan 21 moves,Arrive indoor chamber 3 by new wind entrance 9 through new wind air channel independently and mix with the return air in compartment, mixed airCarry out heat exchange with evaporimeter, then send in compartment by ducting system. Waste gas enters useless row chamber 8 from the useless mouth 12 that enters,Through useless exhaust movable valve 27, under the effect of useless row's fan with low voltage 18, discharge through useless outlet 13.
When car speed is during higher than 160km/h, close new general mood movable valve 26, useless exhaust movable valve 27, open new windHigh pressure positive blower 11 and useless row's high pressure positive blower 14, the active pressure defencive function while realizing vehicle high-speed operation. New wind existsUnder the effect of new wind high pressure positive blower 11, by new wind entrance 9 in new wind air channel independently arrives indoor chamber 3 and compartmentReturn air mix, mixed air and evaporimeter carry out heat exchange, then send in compartment by ducting system. UselessGas enters useless row chamber 8 from the useless mouth 12 that enters, and under the effect of useless row's high pressure positive blower 14, the useless outlet 13 of warp is discharged.
Like this, growing, in large tunnel, under high-speed cruising, this air-conditioning unit can be taken a breath continuously and can be stablized in car and pressPower, and then improve air conditioning comfortableness.
As mentioned above, given scheme content, can derive similar technical scheme by reference to the accompanying drawings. In every case beDo not depart from the content of technical solution of the present invention, any letter of above embodiment being done according to technical spirit of the present inventionSingle amendment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. a roof-mounted air-condition unit with active pressure defencive function, is installed on roof, it is characterized in that:Comprise a housing, in housing, become indoor chamber, outdoor chamber and ventilation lumen by two the first baffle for separatings, described ventilationChamber is separated into Ji Feipai chamber, new wind chamber by second partition, is provided with new wind entrance, new wind outlet in described new wind chamberAnd new wind high pressure positive blower, the inlet side of described new wind high pressure positive blower and air side export with new wind entrance and new wind respectivelyBe communicated with, described new wind outlet is passed through independently new wind air channel and is communicated with indoor chamber, is provided with useless row in described useless row chamberEntrance, useless outlet, the row's of giving up high pressure positive blower and useless row's fan with low voltage, the described useless mouth that enters is by air channel and compartmentUseless exhaust outlet be communicated with, be respectively arranged with new general mood movable valve and useless in the outlet of described new wind chamber and useless row exit, chamberExhaust movable valve, the inlet side of described useless row's high pressure positive blower and air side enter mouthful and useless outlet is connected with useless respectively,The entrance and exit of described useless row's fan with low voltage is connected with useless exhaust movable valve and useless outlet respectively;
During lower than 160km/h, only open described new general mood movable valve and useless exhaust movable valve at car speed, beat simultaneouslyOpen the useless fan with low voltage of arranging, new wind arrives indoor chamber by new wind entrance through new wind air channel, and waste gas enters from the useless mouth that entersBehind useless row chamber, discharged by useless outlet through useless exhaust movable valve and under the effect of useless row's fan with low voltage;
When car speed is during higher than 160km/h, close described new general mood movable valve and useless exhaust movable valve, open new windHigh pressure positive blower and useless row's high pressure positive blower, new wind passes through new wind entrance through new wind under the effect of described new wind high pressure positive blowerAir channel arrives indoor chamber, and waste gas is discharged by useless under the effect of useless row's high pressure positive blower from useless entering mouth enters useless row chamberMouth is discharged.
2. the roof-mounted air-condition unit with active pressure defencive function according to claim 1, its feature existsIn: described new wind high pressure positive blower and useless row's high pressure positive blower all adopt high-static pressure fan.
3. the roof-mounted air-condition unit with active pressure defencive function according to claim 1, its feature existsIn: described air-conditioning unit is arranged on the end in compartment.
4. the roof-mounted air-condition unit with active pressure defencive function according to claim 1, its feature existsIn: the top board of described housing is made up of the oblique top plate of middle ceiling and both sides, described ceiling and oblique top plate itBetween there is an angle.
5. the roof-mounted air-condition unit with active pressure defencive function according to claim 4, its feature existsIn: described angle is 130-135 degree.
6. the roof-mounted air-condition unit with active pressure defencive function according to claim 4, its feature existsIn: described new wind entrance and described useless outlet are separately positioned on the described oblique top plate of both sides.
7. the roof-mounted air-condition unit with active pressure defencive function according to claim 6, its feature existsIn: described new wind entrance and described useless outlet place are provided with grid-like air port.
8. the roof-mounted air-condition unit with active pressure defencive function according to claim 7, its feature existsIn: described grid-like air port and described housing are one-body molded.
9. according to the roof-mounted air-condition unit with active pressure defencive function described in claim 1-8 any one,It is characterized in that: described indoor chamber, outdoor chamber and ventilation lumen are arranged side by side, and described ventilation lumen is arranged on described outdoorOne side in chamber or be arranged on the side in described indoor chamber.
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| CN201310326476.XA CN103625491B (en) | 2013-07-30 | 2013-07-30 | There is the roof-mounted air-condition unit of active pressure defencive function |
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| CN201310326476.XA CN103625491B (en) | 2013-07-30 | 2013-07-30 | There is the roof-mounted air-condition unit of active pressure defencive function |
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| CN103625491B true CN103625491B (en) | 2016-05-25 |
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| CN113335319A (en) * | 2021-06-24 | 2021-09-03 | 中车青岛四方机车车辆股份有限公司 | Vehicle body structure of railway vehicle and vehicle body design method |
| CN113997968B (en) * | 2021-11-19 | 2024-05-24 | 中车大连机车研究所有限公司 | Horizontal guest room air conditioner with flow guiding device |
| KR102651268B1 (en) * | 2022-12-09 | 2024-03-25 | 현대로템 주식회사 | Control method of ventilation system for railway vehicles |
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