CN103192840A - Fresh air system of high-speed motor train unit - Google Patents
Fresh air system of high-speed motor train unit Download PDFInfo
- Publication number
- CN103192840A CN103192840A CN2012100045713A CN201210004571A CN103192840A CN 103192840 A CN103192840 A CN 103192840A CN 2012100045713 A CN2012100045713 A CN 2012100045713A CN 201210004571 A CN201210004571 A CN 201210004571A CN 103192840 A CN103192840 A CN 103192840A
- Authority
- CN
- China
- Prior art keywords
- port
- emu
- fresh wind
- vmc
- fresh air
- 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.)
- Granted
Links
Images
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention relates to a fresh air system of a high-speed motor train unit. The fresh air system comprises a fresh air hole and a fresh air channel, wherein one end of the fresh air channel is connected with the fresh air hole; the other end of the fresh air channel is connected with an air-conditioning indoor unit; and the fresh air hole is formed in the arc top of the side wall of a train body. According to the fresh air system, the fresh air hole is formed in the arc top of the side wall of the train body, so that the air quality is good, the pressure fluctuation range is smaller than that in other positions of the train body, a positive effect of reducing the pressure fluctuation in a passenger room is obtained, the air-tightness of the passenger room is guaranteed, and the riding comfortableness of passengers is improved.
Description
Technical field
The present invention relates to a kind of air-conditioning duct system, particularly a kind of VMC that uses at more speed grade motor train unit belongs to guideway vehicle air-conditioning manufacturing technology field.
Background technology
In middle and high fast motor train unit, every joint compartment generally is equipped with two air-conditioning units, and every air-conditioning unit adopts cellular structure, and air-conditioning unit complete machine is arranged in the car body bottom, also is provided with air interchanger in the car body bottom.The air-conditioning unit is connected with return air inlet with air outlet in the car by supply air duct and return airway, be provided with useless exhaust outlet in the sanitary accomodation with by platform, useless exhaust outlet is connected with air interchanger by useless air exhausting duct, air interchanger is connected with the new wind entrance that is positioned at the car body end by the fresh flue, and new wind entrance operated by rotary motion is under the top or car of headwall.
For more speed grade motor train unit, no matter be speed or project organization, all with vehicle in the past bigger difference is arranged, the air conditioner fresh air system of existing motor train unit can't satisfy the higher requirement to blow in air-tightness and the car homogeneity, cleanliness, therefore only at the suitable VMC of the actual conditions development and design of high-speed grade motor train unit, just can make air parameter, air quality and air-tightness in the guest room reach requirement, for the passenger provides comfortable traveling environment.
Summary of the invention
Main purpose of the present invention is to address the above problem, and provides a kind of air-tightness good, and can guarantee the EMU VMC of air quality in the guest room.
For achieving the above object, technical scheme of the present invention is:
A kind of EMU VMC comprises fresh wind port and new wind air channel, and described new wind air channel one end is connected with described fresh wind port, and the other end is connected with indoor apparatus of air conditioner, and described fresh wind port is arranged on the place, arc top of car body side wall.
Further, described fresh wind port by trim board and/or rainwater disconnector and/or the new wind pressure protective valve that is used for opening and closing described fresh wind port form.
Further, described trim board is arranged on the outermost of described fresh wind port, has at least one breather port at described trim board.
Further, described breather port is the punching structure, or described breather port is the air quantity adjustable structure.
Further, described rainwater disconnector is made up of framework and the labyrinth type grid that keeps off the rain, and described framework is provided with a plurality of mount pads, and described mount pad is captiveed joint with described car body side wall and/or trim board, and the described grid that keeps off the rain is fixed on the described framework.
Further, the described grid that keeps off the rain is made up of a plurality of V-arrangement baffle plates that are arranged side by side, and is provided with bending part in described baffle plate end and middle part.
Further, be provided with drain gutter in the bottom of described fresh wind port, described drain gutter is communicated with outward with car.
Further, the diapire of the end that is connected with described fresh wind port in described new wind air channel has a downward V-arrangement bending, at the nadir place of described bending discharge port is set, and described discharge port connects drain hose, and described drain hose inserts the vehicle drainage system.
Further, it is curved that described drain hose has a U-shaped.
Further, be connected by one section flexible pipe between described discharge port and the described drain hose.
Content to sum up, a kind of EMU VMC of the present invention, fresh wind port is arranged on the place, arc top of car body side wall, this position not only air quality is good, and fluctuation of pressure is less with respect to other position of car body, for reducing guest room internal pressure fluctuation good effect is arranged, guarantee the air-tightness of guest room, improve the comfort level that the passenger rides.
Description of drawings
Fig. 1 structural representation of the present invention;
Fig. 2 is the side direction view of Fig. 1;
Fig. 3 is the structural representation of fresh wind port of the present invention;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is rainwater cyclone separator arrangement scheme drawing of the present invention;
Fig. 6 is the cutaway view of Fig. 5;
Fig. 7 is the new wind air channel structure of the present invention scheme drawing.
Extremely shown in Figure 7 as Fig. 1, fresh wind port 1, new wind air channel 2, indoor set 3; return air blending bin 4, return airway 5, side wall 6, trim board 7; rainwater disconnector 8, new wind pressure protective valve 9, bolt 10, breather port 11; framework 12, the grid 13 that keeps off the rain, mount pad 14, installation frame 15; flexible pipe 16, drain gutter 17, V-arrangement bending 18; drain hose 19, U-shaped bends 20, bolt 21.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment the present invention is described in further detail:
In more speed grade motor train unit, compartment, every joint guest room all is equipped with an air-conditioning unit, is used for regulating temperature, humidity and the freshness of air in a car compartment.The air-conditioning unit is made up of indoor set and off-premises station two parts, off-premises station is installed under the car, indoor set then is installed on an end in compartment, indoor set is fixed on the floor in compartment, the air outlet of indoor set is communicated with air outlet in the compartment by supply air duct, be used for blowing in the compartment, the return air in the compartment returns to indoor set by return airway after new wind mixes, finish wind circulation.Indoor apparatus of air conditioner 3 is communicated with outward with car by new wind air channel, be used in the compartment, carrying ozone at any time, guarantee the freshness of air in a car compartment, carrying fresh air in the compartment when, a part of waste gas is discharged outside the car by the useless arranging device that is arranged in the car.
As shown in Figure 1, the EMU VMC comprises fresh wind port 1 and new wind air channel 2, one end in new wind air channel 2 is connected with fresh wind port 1, and the other end in new wind air channel 2 is connected with indoor apparatus of air conditioner 3, newly wind with carry out interchange of heat with the interior evaporator of indoor set 3 again after return air mixes.In more speed grade motor train unit, the ventilation inlet place of indoor set 3 can arrange a return air blending bin 4, return airway 5 in the compartment and new wind air channel 2 all are communicated with return air blending bin 4, return air and new wind at first mix in return air blending bin 4, enter in the indoor set 3 more together, can reduce the noise of total system like this, improve traveling comfort by bus.
As shown in Figure 1, fresh wind port 1 is arranged on the place, arc top of car body side wall 6, and every joint compartment arranges a fresh wind port 1 or a plurality of fresh wind port 1.The air quality at place, arc top is better than equipment compartment place under the car, can guarantee the air quality in the compartment, and through a large amount of verification experimental verifications, arc top place fluctuation of pressure less with respect to other position of car body, for the fluctuation of pressure that reduces in the compartment good effect is arranged, these can effectively guarantee traveling comfort by bus.
Fresh wind port 1 is combined by arbitrary parts or a plurality of parts in trim board 7, rainwater disconnector 8, the new wind pressure protective valve 9, at fresh wind port 1 place one installation frame 15 is set, and installation frame 15 is weldingly fixed on the car body side wall 6.As shown in Figure 1, in the present embodiment, preferably at fresh wind port 1 place by car in the export-oriented car direction set gradually trim board 7, rainwater disconnector 8 and new wind pressure protective valve 9.
Wherein, as shown in Figure 4, trim board 7 is arranged on the outermost of fresh wind port 1, because trim board 7 is installed in the outside of car body, from can clearly seeing in appearance, so trim board 7 will satisfy the requirement of car body exterior appearance after installation, trim board 7 is fixed on the installation frame 15 by screw, also can be weldingly fixed on the installation frame 15.
As shown in Figure 3, have breather port 11 at trim board 7, to guarantee new wind suction quantity, breather port 11 is punching structure as shown in Figure 3, fixedly air quantity also can adopt the adjustable structure (not shown) of flow, as adopting the throttle disk structure of adjustable size, by the size of throttle disk opening, adjust the suction quantity of fresh wind port 1.Throttle disk can be the one-board structure, to a side shifting, to regulate the size of opening; Also can be to adopt the double-plate structure of splitting, split movement to both sides, to regulate the size of opening; Can also adopt the structure of doubling plate, have through hole for airiness at doubling plate, by regulating the displacement of staggering relatively between the doubling plate, regulating the size of through hole, and then regulate flow.Throttle disk can be regulated automatically, also can manual regulation.
As shown in Figure 5 and Figure 6, rainwater disconnector 8 is made up of framework 12 and the labyrinth type grid 13 that keeps off the rain, the keep off the rain two ends of grid 13 are weldingly fixed on the framework 12, framework 12 is provided with a plurality of mount pads 14, as shown in Figure 3, part mount pad 14 is captiveed joint with installation frame 15 by bolt 10, and a part of mount pad 14 is captiveed joint with trim board 7 by bolt 21.
As shown in Figure 6, the grid 13 that keeps off the rain is made up of a plurality of V-arrangement baffle plates that are arranged side by side, in the baffle plate end and the middle part be provided with the bending part that is hook-type, the V-shape baffle plate has been realized the staggered complementation between the slit, has changed new distinguished and admirablely through the path of grid preferably by bending part, effectively the rainwater in the new wind is separated, can reduce the amount of rainfall of suction chamber inboard dramatically, checking not only can be satisfied the requirement of vehicle resh air requirement by experiment, can pass through the requirement of iron target rain test simultaneously.
Be provided with drain gutter 17 in the bottom of trim board 7; drain gutter 17 is communicated with outward with car; the rainwater that separates through the grid 13 of keeping off the rain falls into the bottom of fresh wind port 1, flows out outside the cars along drain gutter 17, avoids rainwater directly to enter in the new wind pressure protective valve 9 and new wind air channel 2 of rear side.Drain gutter 17 can be opened on trim board 7, also can utilize the gap that forms between the edge of trim board 7 bottoms and the car body side wall 6 as drain gutter 17.
New wind pressure protective valve 9 is fixed on the installation frame 15, and it is connected with the air-supply pipeline of vehicle, by air-supply pipeline to its air feed to control its switching.New wind pressure protective valve 9 is by the unified control of vehicle control system; when the fluctuation of car external pressure is big; new wind pressure protective valve 9 is closed fresh wind port 1 automatically; the transmission of blocking-up car external pressure in the car; fluctuation of pressure in the assurance compartment improves more speed grade motor train unit travelling comfort below 800Pa/3s.
The end that new wind air channel 2 is connected with fresh wind port 1, captive joint with installation frame 15 by bolt, separate the first time through rainwater disconnector 8, still have a small amount of rainwater and enter new wind air channel 2, enter indoor set 3 in order to avoid rainwater fully, as Fig. 1 and shown in Figure 7, diapire in new 2 ends, wind air channel has a downward V-arrangement bending 18, nadir place in V-arrangement bending 18 arranges discharge port, and discharge port connects drain hose 19, and drain hose 19 inserts the vehicle drainage system.The rainwater that enters in the new wind air channel 2 concentrates on V-arrangement bending 18 places, flows into drain hose 19 through discharge port, discharges outside the car under car along drain hose 19 and vehicle drainage system.At the drain hose 19 outside condensation waters that produce, wrap the warm material of one deck winter protection in the outside of drain hose 19 when flowing through drain hose 19 for fear of rainwater.
As shown in Figure 2, drain hose 19 is before inserting the vehicle drainage system, and it is curved 20 to have a U-shaped, and the height of U-shaped curved 20 is greater than or equals 600mm, can prevent that car external pressure fluctuation ambient pressure when ± 6kPa from importing in the compartment through drain hose 19, further guarantees the air-tightness in the compartment.
For fear of vehicle in the high-speed cruising process, Vehicular vibration is to the influence of drain hose 19, be connected by one section flexible pipe 16 between the discharge port of new 2 bottoms, wind air channel and the drain hose 19, drain hose 19 is fixed by a plurality of bolts and car body side wall on the way, be used for fixedly drain hose 19, avoid it in the vehicle operating process, to rock.
As mentioned above, given scheme content can derive the similar techniques scheme in conjunction with the accompanying drawings and embodiments.In every case be the content that does not break away from technical solution of the present invention,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present invention.
Claims (10)
1. an EMU VMC comprises fresh wind port and new wind air channel, and described new wind air channel one end is connected with described fresh wind port, and the other end is connected with indoor apparatus of air conditioner, it is characterized in that: described fresh wind port is arranged on the place, arc top of car body side wall.
2. EMU VMC according to claim 1 is characterized in that: described fresh wind port by trim board and/or rainwater disconnector and/or the new wind pressure protective valve that is used for opening and closing described fresh wind port form.
3. EMU VMC according to claim 2, it is characterized in that: described trim board is arranged on the outermost of described fresh wind port, has breather port at described trim board.
4. EMU VMC according to claim 3, it is characterized in that: described breather port is the punching structure, or described breather port is the air quantity adjustable structure.
5. EMU VMC according to claim 2, it is characterized in that: described rainwater disconnector is made up of framework and the labyrinth type grid that keeps off the rain, described framework is provided with a plurality of mount pads, described mount pad is captiveed joint with described car body side wall and/or trim board, and the described grid that keeps off the rain is fixed on the described framework.
6. EMU VMC according to claim 5, it is characterized in that: the described grid that keeps off the rain is made up of a plurality of V-arrangement baffle plates that are arranged side by side, and is provided with bending part in described baffle plate end and middle part.
7. EMU VMC according to claim 2, it is characterized in that: the bottom at described fresh wind port is provided with drain gutter, and described drain gutter is communicated with outward with car.
8. according to each described EMU VMC of claim 1-7, it is characterized in that: the diapire of the end that is connected with described fresh wind port in described new wind air channel has a downward V-arrangement bending, nadir place in described bending arranges discharge port, described discharge port connects drain hose, and described drain hose inserts the vehicle drainage system.
9. EMU VMC according to claim 8 is characterized in that: it is curved that described drain hose has a U-shaped.
10. EMU VMC according to claim 8 is characterized in that: be connected by one section flexible pipe between described discharge port and the described drain hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210004571.3A CN103192840B (en) | 2012-01-09 | 2012-01-09 | Fresh air system of high-speed motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210004571.3A CN103192840B (en) | 2012-01-09 | 2012-01-09 | Fresh air system of high-speed motor train unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103192840A true CN103192840A (en) | 2013-07-10 |
| CN103192840B CN103192840B (en) | 2015-07-22 |
Family
ID=48715703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210004571.3A Active CN103192840B (en) | 2012-01-09 | 2012-01-09 | Fresh air system of high-speed motor train unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103192840B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371148A (en) * | 2019-08-05 | 2019-10-25 | 中车大连机车车辆有限公司 | Power car air-conditioning air inlet system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB389230A (en) * | 1932-01-20 | 1933-03-16 | John Marsall | Improvements relating to ventilation systems |
| US2067144A (en) * | 1935-09-05 | 1937-01-05 | Pennsylvania Railroad Co | Fresh air intake for railway cars |
| US2855763A (en) * | 1956-07-10 | 1958-10-14 | Budd Co | Air conditioning installation for passenger vehicles |
| CN2656185Y (en) * | 2003-11-10 | 2004-11-17 | 山东中通华盛强汽车空调有限公司 | Stepless mixed fresh air top-mounted air conditioner for bus |
| CN201283871Y (en) * | 2008-08-29 | 2009-08-05 | 石家庄国祥运输设备有限公司 | Fresh air inlet waterproof apparatus of air conditioner unit |
| CN101700774A (en) * | 2009-10-19 | 2010-05-05 | 江苏新誉空调系统有限公司 | Pressure wave protection system applied to high-speed train |
| CN202413814U (en) * | 2012-01-09 | 2012-09-05 | 南车青岛四方机车车辆股份有限公司 | Central ventilation system for high-speed motor train unit |
-
2012
- 2012-01-09 CN CN201210004571.3A patent/CN103192840B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB389230A (en) * | 1932-01-20 | 1933-03-16 | John Marsall | Improvements relating to ventilation systems |
| US2067144A (en) * | 1935-09-05 | 1937-01-05 | Pennsylvania Railroad Co | Fresh air intake for railway cars |
| US2855763A (en) * | 1956-07-10 | 1958-10-14 | Budd Co | Air conditioning installation for passenger vehicles |
| CN2656185Y (en) * | 2003-11-10 | 2004-11-17 | 山东中通华盛强汽车空调有限公司 | Stepless mixed fresh air top-mounted air conditioner for bus |
| CN201283871Y (en) * | 2008-08-29 | 2009-08-05 | 石家庄国祥运输设备有限公司 | Fresh air inlet waterproof apparatus of air conditioner unit |
| CN101700774A (en) * | 2009-10-19 | 2010-05-05 | 江苏新誉空调系统有限公司 | Pressure wave protection system applied to high-speed train |
| CN202413814U (en) * | 2012-01-09 | 2012-09-05 | 南车青岛四方机车车辆股份有限公司 | Central ventilation system for high-speed motor train unit |
Non-Patent Citations (1)
| Title |
|---|
| 亢文祥等: "CRH2动车组新风换气装置对车内压力波动影响试验研究", 《铁道科学与工程学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371148A (en) * | 2019-08-05 | 2019-10-25 | 中车大连机车车辆有限公司 | Power car air-conditioning air inlet system |
| CN110371148B (en) * | 2019-08-05 | 2020-07-07 | 中车大连机车车辆有限公司 | Air inlet system of air conditioner of power vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103192840B (en) | 2015-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103625491B (en) | There is the roof-mounted air-condition unit of active pressure defencive function | |
| CN202378885U (en) | Air conditioning air duct system for intercity motor train unit | |
| CN103158730B (en) | Intercity motor train unit air conditioning duct system | |
| CN202038315U (en) | External variable cross section balanced ventilation system for high-speed train | |
| CN103373366B (en) | Air conditioner of subway vehicle unit ventilation system | |
| US8764526B2 (en) | Air duct system for vehicles, in particular for rail vehicles for passenger traffic | |
| CN201170645Y (en) | Humidifying device and air-conditioner with the same | |
| CN203372244U (en) | Cab air conditioning unit for urban rail vehicle | |
| CN105835895B (en) | Railway vehicle air conditioner system and air-treatment method | |
| CN103158732B (en) | Speed motor train unit air conditioner ducting system | |
| CN203485925U (en) | Overhead air-conditioning unit with active pressure protection function | |
| CN104228863A (en) | Railway-vehicle air-conditioner air supplying and returning system | |
| CN202413811U (en) | Air-conditioning air duct system for high-speed motor train unit | |
| WO2014024318A1 (en) | On-roof air-conditioning device | |
| CN202413814U (en) | Central ventilation system for high-speed motor train unit | |
| CN103318208B (en) | Waterproof air inlet structure of roof of passenger train | |
| CN103192840A (en) | Fresh air system of high-speed motor train unit | |
| CN203439042U (en) | Rail compartment waste discharge device | |
| CN202413815U (en) | Exhaust emission device for high-speed railway vehicle | |
| CN201703225U (en) | Air duct structure of automotive air conditioner | |
| CN204110047U (en) | Intercity motor train unit give up arranging device | |
| CN103158733A (en) | Air conditioning unit for high-speed motor train unit | |
| CN202243491U (en) | Fresh air device at end part of high-speed rail vehicle | |
| CN202378887U (en) | Air conditioning unit for high-speed motor train unit | |
| CN208006968U (en) | A kind of longitudinal direction sleeping berth air conditioner ventilating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |