CN102923146B - System for cooling auxiliary filtering cabinet of locomotive - Google Patents
System for cooling auxiliary filtering cabinet of locomotive Download PDFInfo
- Publication number
- CN102923146B CN102923146B CN201110226048.0A CN201110226048A CN102923146B CN 102923146 B CN102923146 B CN 102923146B CN 201110226048 A CN201110226048 A CN 201110226048A CN 102923146 B CN102923146 B CN 102923146B
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- Prior art keywords
- car
- cabinet
- exhaust outlet
- valve
- locomotive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0072—Means for cooling only
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a system for cooling an auxiliary filtering cabinet of a locomotive. The system comprises a locomotive body and the auxiliary filtering cabinet which is arranged in the locomotive body; the auxiliary filtering cabinet comprises a cabinet body, and mechanical equipment and a ventilation device which are arranged in the cabinet body; the lower part of the cabinet body is provided with air inlets, the upper part of the cabinet body is provided with locomotive internal air outlets, and the top of the cabinet body is provided with a locomotive external air outlet; the top of the locomotive body is provided with an external outlet which is communicated with the exterior, and the locomotive external air outlet is connected with the external outlet through an air duct; the locomotive external air outlet and the external outlet are communicated through a valve, and the locomotive internal air inlets are opened and closed through an air baffling door; a controller controls the valve and the air baffling door to act according to temperature in the locomotive body to ensure that the locomotive external air outlet and the external outlet are communicated, and the locomotive internal air outlets are closed by the air baffling door; or the locomotive external air outlet is disconnected from the external outlet, and the locomotive internal air outlets are opened by the air baffling door simultaneously. A ventilating system can be changed according to environment temperature, and the temperature of the mechanical equipment in the auxiliary filtering cabinet of the locomotive is adjusted, and the mechanical equipment can stably and reliably run.
Description
Technical field
The present invention relates to a kind of cooling system, particularly relate to a kind of locomotive auxiliary filter cabinet cooling system that automatically can change cool cycles mode according to locomotive indoor temperature.
Background technology
The conversion that six axis AC transmission electric power locomotives (i.e. the electric locomotive of HXD2C type) AuCT adopts the pattern conversion of DC-AC to realize power supply exports, input power takes from the intermediate dc loop of traction current transformation cabinet, and its subordinate inverter is integrated in main variable flow cabinet.Subordinate inverter exports after the transformer pressure-reducing in auxiliary filter cabinet, filtering, for assistant load provides the three-phase alternating-current supply of high-quality.
For ensureing that the equipment in auxiliary filter cabinet can normally work, effective cooling system is absolutely necessary.On usual locomotive, auxiliary filter cabinet cooling system is made up of the air inlet being located at vehicle bottom, the exhaust outlet being located at car body top and the ventilation blower be located in car body; by ventilation blower from air inducing car; through the air channel that air inlet, vehicle body space and exhaust outlet are formed; realize the cooling to auxiliary filter cabinet, heat finally discharges locomotive.Because auxiliary filter cabinet is located in car body, the air channel that the current this type of cooling is formed is outside at auxiliary filter cabinet, therefore the temperature regulating auxiliary filter cabinet internal mechanical equipment is unfavorable for, in addition, the draft type that this cooling system provides is single, can not environmentally temperature change draft type to regulate the device temperature of auxiliary filter cabinet inside.
Summary of the invention
The invention provides a kind of locomotive auxiliary filter cabinet cooling system, in order to solve defect of the prior art, this cooling system can environmentally temperature inversion cooling-fan installation, effectively regulates the temperature of the plant equipment of locomotive auxiliary filter cabinet inside, realizes reliable and stable operation.
The invention provides a kind of locomotive auxiliary filter cabinet cooling system, comprise car body and be arranged on the auxiliary filter cabinet in described car body, described auxiliary filter cabinet is by cabinet, be arranged on the plant equipment in described cabinet and ventilation unit formation, described cabinet bottom is provided with air inlet, described cabinet top is provided with the outer exhaust outlet of car, described cabinet top is provided with exhaust outlet in car, described air inlet, in the outer exhaust outlet of car and car, exhaust outlet is communicated with cabinet inside respectively, described car body top is provided with the outer row's mouth be in communication with the outside, described car is outer to be connected by air duct between exhaust outlet with described outer row's mouth and by valve conducting, in described car, exhaust outlet is opened and closed by wind blocking door, be provided with temperature sensor in described cabinet, described temperature sensor is connected with the input of controller, and described valve and wind blocking door are connected with the output of described controller respectively.
Locomotive auxiliary filter cabinet cooling system provided by the invention, by setting the operating temperature of temperature sensor, it is made to send signal when the environment temperature sensed exceedes design temperature to controller, controller is opened according to this signal control valve door and is made the outer exhaust outlet of car and the conducting of outer row's mouth, control wind blocking door simultaneously and close exhaust outlet in car, adopt the type of cooling of the outer air draft of air intake car in car, it is inner through the outer exhaust outlet of car that cold air enters cabinet through air inlet, air duct and outer row's mouth are discharged outside car, hot-air when cold air flows through cabinet inside and in cabinet carries out heat exchange and reduces cabinet Inside Air Temperature thus cool the plant equipment of cabinet inside, again signal is sent to controller lower than during design temperature in the environment temperature sensed, controller cuts out according to this signal control valve door and the outer exhaust outlet of car and outer row's mouth is cut off, control wind blocking door simultaneously and open exhaust outlet in car, adopt the type of cooling of air draft in air intake car in car, cold air enters cabinet inside exhaust outlet in car through air inlet and drains in car body, circulate in vehicle body, after circulation is discharged in so continuous suction, the air themperature of vehicle body is higher relative to the air themperature of car body outside, the cooling-air that temperature is slightly high flow through cabinet inner time and cabinet in hot-air carry out heat exchange and make cabinet Inside Air Temperature remain in a scope, and the environment temperature reached outside car body after being unlikely to cooling is low like that.
So locomotive auxiliary filter cabinet cooling system provided by the invention has and according to the function automatically changing the cooling air circulatory system season, can carry out forced air cooling to the equipment of auxiliary filter cabinet inside.Spring and summer autumn, when ambient temperature is higher, adopts the outer air draft of air draught car in car, be conducive to the temperature reducing plant equipment; In winter, when ambient temperature is lower, adopt the mode of car Inner eycle, adopt the mode of air draft in air draught car in car, be conducive to keeping the temperature of plant equipment to be unlikely to too low.
Air channel of the present invention has two, one is made up of to exhaust outlet in car through cabinet inside air inlet, another is inner through cabinet by air inlet, the outer exhaust outlet of car, air duct to outer row's mouth are formed, whichsoever cabinet inside is all run through in air channel, by carrying out according to different environment temperatures switching in scope that air channel can make the plant equipment of auxiliary filter cabinet inside temperature in running remain at stable, reliability service not by the impact of ambient temperature.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention.
Fig. 2 is the main TV structure schematic diagram of auxiliary filter cabinet in the embodiment of the present invention.
Fig. 3 is along A-A to sectional structure schematic diagram in Fig. 2.
Fig. 4 is the perspective view of valve mechanical actuating mechanism embodiment one in the embodiment of the present invention.
Fig. 5 is the plan structure schematic diagram of valve mechanical actuating mechanism embodiment two in the embodiment of the present invention.
Fig. 6 is along B-B to sectional structure schematic diagram in Fig. 5.
Fig. 7 is the plan structure schematic diagram of valve mechanical actuating mechanism embodiment three in the embodiment of the present invention.
Reference numeral:
1-car body; 11-arranges mouth outward; 2-auxiliary filter cabinet;
21-air inlet; Exhaust outlet in 22-car; The outer exhaust outlet of 23-car;
3-air duct; 4-valve; 5-ventilation unit;
6-wind blocking door; 7-stepper motor; 41-first valve seat;
42-valve plate; 43-rotating shaft; 44-first valve opening;
45-second valve seat; 46-plate; 47-second valve opening;
48-slideway; 20-cabinet; 61-first rotating shaft;
81-turbine; 82-worm screw; 40-drive end.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As Figure 1-3, the auxiliary filter cabinet 2 that locomotive auxiliary filter cabinet cooling system of the present invention comprises car body 1 and is arranged in car body 1, auxiliary filter cabinet 2 by cabinet 20, be arranged on plant equipment in cabinet 20 and ventilation unit 5 is formed, cabinet 20 bottom is provided with air inlet 21, cabinet 20 top is provided with the outer exhaust outlet 23 of car, car body 1 top is provided with the outer row's mouth 11 be communicated with ambient atmosphere, car is outer to be connected by air duct 3 between exhaust outlet 23 with outer row's mouth 11, and cabinet 20 top is provided with exhaust outlet 22 in car; Car is outer is provided with valve 4 between exhaust outlet 23 and air duct 3, wind blocking door 6 is provided with in exhaust outlet 22 in car, wind blocking door 6 has the first rotating shaft 61, first rotating shaft 61 is rotationally connected with relative two inwalls of exhaust outlet in car or is rotationally connected (being applicable to multiple wind blocking door) relative to the wallboard of both sides with exhaust outlet in car, first rotating shaft 61 is connected by gear drive with between the output shaft of stepper motor 7, and wind blocking door 6 rotates to close or exhaust outlet 22 in opening vehicle with the first rotating shaft 61 under the driving of stepper motor 7.Valve 4 is electrically operated valve, comprises electric operator and mechanical actuating mechanism, and electric operator is connected with the output of controller respectively with stepper motor 7; Be provided with temperature sensor in cabinet, temperature sensor is connected with controller input, and controller, according to the temperature control valve 4 in car body 1 and stepper motor 7 action, cuts out exhaust outlet 22 in car to make the outer exhaust outlet 23 of car with wind blocking door 6 while of outer row's mouth 11 conducting; Or wind blocking door 6 opens exhaust outlet 22 in car while that outside car, exhaust outlet 23 and outer row's mouth 11 cutting off.Air inlet 21 is specially the lower side panel being arranged on cabinet bottom, and this lower side panel is provided with multiple air vent.In car, exhaust outlet 22 is specially the epipleural being arranged on cabinet top, multiple air vents on this epipleural, such heat radiation is even, on the not ipsilateral that this epipleural and lower side panel all can be arranged on cabinet as required or same side, and jointly form the side of cabinet with side plate body and lower side panel, certainly this epipleural, side plate body and lower side panel also can be wholely set, at least two wind blocking doors 6 (with the similar of shutter) are disposed with inside this epipleural, first rotating shaft 61 two ends of wind blocking door 6 are rotationally connected with entablature and sill respectively, described entablature sill (not shown) is arranged on the inner side of this epipleural and is positioned at the upper end of this epipleural, sill (not shown) is arranged on the inner side of this epipleural and is positioned at the lower end of this epipleural, entablature also can be located at the left end of this epipleural, and sill also can be located at the right-hand member of this epipleural, first rotating shaft 61 is connected by turbine and worm structure driven with stepper motor 7, specifically in the first rotating shaft 61, arranges turbine 81 respectively, and stepper motor 7 output shaft is connected with worm screw 82 by shaft coupling, and wherein turbine 81 all coordinates with worm screw 82.Above-mentioned structure, wind blocking door 6 also can adopt pneumatic system to replace drive motors to drive, and this pneumatic system drives the keying of wind blocking door 6 under the control action of controller.
The operating temperature of design temperature sensor is 0 degree Celsius and (also can be set as 10 degrees Celsius, 20 degrees Celsius or other arbitrary temperature values of considering appropriate), then when temperature in cabinet is less than or equal to 0 degree Celsius, temperature sensor action, controller sends the instruction of air draft in car to the electric operator of valve 4 and stepper motor 7, the electric operator of valve 4 makes valve 4 be in closed condition according to the instruction of air draft in the car received by mechanical actuating mechanism, the outer exhaust outlet 23 of car is cut off with outer row's mouth, stepper motor 7 makes the first axis of rotation open exhaust outlet 22 in car according to the order-driven turbine and worm structure of air draft in the car received and completes the ventilation of car Inner eycle, when temperature in cabinet is greater than 0 degree Celsius, temperature sensor is action again, controller sends the instruction of the outer air draft of car to the electric operator of valve 4, the electric operator of valve 4 makes valve 4 be in open mode according to the instruction of the outer air draft of the car received by mechanical actuating mechanism the outer exhaust outlet 23 of car is communicated with outer row's mouth 11, and stepper motor 7 makes the first rotating shaft counter-rotation cut out exhaust outlet 22 in car according to the order-driven turbine and worm structure of the outer air draft of the car received and completes car outer circulation ventilation.
This cooling system has and according to the function automatically changing the cooling air circulatory system season, can carry out forced air cooling to the equipment of auxiliary filter cabinet 2 inside.Spring and summer autumn, when ambient temperature is higher, adopt the outer air draft of air draught car in car, the valve 4 controlling to be arranged in the outer air channel between exhaust outlet 23 and outer row's mouth 11 at car body 1 top of car at auxiliary filter cabinet 2 cabinet top by controller is opened, the outer exhaust outlet 23 of car at conducting auxiliary filter cabinet 2 cabinet top and outer row's mouth 11 at car body 1 top, wind blocking door 6 is made to close exhaust outlet 22 in car by controller control step motor 7, like this, the cold wind that air inlet 21 through auxiliary filter cabinet 2 cabinet bottom sucks carries out heat exchange through cabinet inside with hot-air, hot blast after heat exchange to be discharged outside car body 1 through air duct 3 and outer row's mouth 11 by the outer exhaust outlet 23 of car and is entered air in cabinet under the effect of ventilation unit 5, be conducive to the temperature reducing plant equipment, winter, when ambient temperature is lower, adopt the mode of car Inner eycle, adopt the mode of air draft in air draught car in car, the valve 4 controlling to be arranged in the outer air channel between exhaust outlet 23 and outer row's mouth 11 at car body 1 top of car at auxiliary filter cabinet 2 cabinet top by controller is closed, block the outer exhaust outlet 23 of car at auxiliary filter cabinet 2 cabinet top and outer row's mouth 11 at car body 1 top, wind blocking door 6 is made to open exhaust outlet 22 in car by controller control step motor 7, like this, the cold wind that air inlet 21 through auxiliary filter cabinet 2 cabinet bottom sucks is inner and hot air heat exchange through cabinet, car body 1 is expelled to by exhaust outlet in car 22 inner under the effect of the ventilation unit 5 of the hot blast after heat exchange in cabinet, after circulation is discharged in so continuous suction, the air themperature of car body 1 inside is higher relative to the air themperature of car body 1 outside, like this, be conducive to keeping the temperature of plant equipment to be unlikely to too low.Not by the impact of ambient temperature in the scope that the present invention can make plant equipment temperature in running of auxiliary filter cabinet 2 inside remain at stable, reliability service.
As Figure 1-4, valve 4 mechanical actuating mechanism specifically comprises and is arranged on outer the first valve seat 41 between exhaust outlet 23 wall and air duct of car and valve plate 42; First valve seat 41 is provided with the first valve opening 44 being communicated with the outer exhaust outlet of car and air duct inside, valve plate 42 two ends are rotatably connected in the first valve opening 44 two lateral walls by the second rotating shaft 43; Second rotating shaft 43 is in transmission connection with driving mechanism, and driving mechanism and electric operator are electrically connected and under it acts on, make valve plate rotate with conducting in the first valve opening or close exhaust outlet and outer row's mouth in car; Electric operator according to the instruction of the outer air draft of the car received make driving mechanism drive the second rotating shaft 43 together with valve plate 42 in the first valve opening rotating opening first valve opening, the outer exhaust outlet 23 of conducting car and outer row's mouth 11; Electric operator makes driving mechanism drive the second rotating shaft 43 to rotate in the first valve opening together with valve plate 42 according to the instruction of air draft in the car received and closes the first valve opening 44, cuts off the outer exhaust outlet 23 of car and outer row's mouth 11.The angle that driving mechanism drives the second rotating shaft 43 to rotate is arranged by electric operator.
As shown in Fig. 1-3,5,6, the another kind of structure of valve 4 mechanical actuating mechanism, specifically can comprise the second valve seat 45 be arranged on outside car between exhaust outlet 23 wall and air duct and the plate 46 be arranged in valve seat, second valve seat 45 is provided with the second valve opening 47 being communicated with the outer exhaust outlet of car and air duct inside, the both sides second valve seat 45 being positioned at the second valve opening 47 are provided with parallel slideway 48, and plate 46 both sides are arranged in slideway 48; In the present embodiment, the second valve opening is rectangle, and plate is also rectangle, and slideway is arranged along two parallel inner sides of the second valve opening; Certainly, second valve opening 47 can also be other geometries, such as circular, as shown in Figure 7, then plate 46 can be set to the circle suitable with the second valve opening 47, and 48, slideway can be located at outside the second valve opening two, and the distance between two slideways 48 is suitable with the diameter of plate 46, plate 46 liang of outer rims and slideway 48 coordinate and contact and within it slide, and certain plate 46 also can be set to rectangle, and plate two parallel outer side coordinates with slideway and contacts; The outer end of plate 46 is drive end 40, drive end 40 is in transmission connection with driving mechanism (specifically can adopt wheel and rack to coordinate transmission, also screw mandrel and the transmission of silk braid threaded engagement can be adopted), driving mechanism and electric operator are electrically connected and under it acts on, make plate slide with conducting in valve opening or close exhaust outlet and outer row's mouth in car; Electric operator makes driving mechanism drive valve plate 42 outwards sliding opening second valve opening 47 (as shown in plate 46 position of dotted line shape in Fig. 7) according to the instruction of the outer air draft of the car received, the outer exhaust outlet 23 of conducting car and outer row's mouth 11; Electric operator makes driving mechanism drive valve plate 42 inwardly closed second valve opening 47 (as shown in plate 46 position of solid line shape in Fig. 7) of slip according to the instruction of air draft in the car received, and cuts off the outer exhaust outlet 23 of car and outer row's mouth 11.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (4)
1. a locomotive auxiliary filter cabinet cooling system, comprise car body and be arranged on the auxiliary filter cabinet in described car body, described auxiliary filter cabinet is by cabinet, be arranged on the plant equipment in described cabinet and ventilation unit formation, it is characterized in that, described cabinet bottom is provided with air inlet, described cabinet top is provided with the outer exhaust outlet of car, described cabinet top is provided with exhaust outlet in car, described air inlet, in the outer exhaust outlet of car and car, exhaust outlet is communicated with cabinet inside respectively, described car body top is provided with the outer row's mouth be in communication with the outside, described car is outer to be connected by air duct between exhaust outlet with described outer row's mouth and by valve conducting, in described car, exhaust outlet is opened and closed by wind blocking door, be provided with temperature sensor in described cabinet, described temperature sensor is connected with the input of controller, and described valve and wind blocking door are connected with the output of described controller respectively,
Described controller is single-chip microcomputer, described valve is electrically operated valve, described wind blocking door has one first rotating shaft, described first rotating shaft two ends are rotatably connected on the wallboard of exhaust outlet both sides in described car, described first rotating shaft and stepper motor are in transmission connection, described wind blocking door is with this first axis of rotation with exhaust outlet in car described in switch, and described electrically operated valve and described stepper motor are electrically connected with described single-chip microcomputer respectively;
The mechanical actuating mechanism of described electrically operated valve comprises valve seat and valve plate; Described valve seat is provided with the valve opening being communicated with the outer exhaust outlet of car and air duct inside, valve plate two ends by the second rotating shaft be rotatably connected described valve opening two lateral walls with make described valve plate in valve opening with this second axis of rotation with conducting or close described valve opening, described second rotating shaft and driving mechanism are in transmission connection, and the electric operator of described driving mechanism and described electrically operated valve is electrically connected; Or
The mechanical actuating mechanism of described electrically operated valve comprises valve seat and is arranged on the plate in described valve seat, described valve seat is provided with the valve opening being communicated with the outer exhaust outlet of car and air duct inside, slideway is provided with inside described valve opening relative two, described plate both sides to be arranged in described slideway and to slide with conducting in described slideway or close described valve opening, drive end and the driving mechanism of described plate are in transmission connection, and the electric operator of described driving mechanism and described electrically operated valve is electrically connected.
2. locomotive auxiliary filter cabinet cooling system according to claim 1, is characterized in that, described air inlet is the lower side panel being arranged on described cabinet bottom, and this lower side panel is provided with multiple air vent.
3. according to the arbitrary described locomotive auxiliary filter cabinet cooling system of claim 1-2, it is characterized in that, in described car, exhaust outlet is the epipleural being arranged on described cabinet top, this epipleural is provided with multiple air vent, described side plate interior sides is disposed with at least two wind blocking doors, first rotating shaft of described wind blocking door is rotatably connected on entablature and sill, and described entablature and sill are arranged on the inner side of described side plate, and described first rotating shaft and described stepper motor are in transmission connection.
4. locomotive auxiliary filter cabinet cooling system according to claim 3, it is characterized in that, first rotating shaft is connected by turbine and worm structure driven with stepper motor, first rotating shaft arranges turbine respectively, stepper motor output shaft is connected with worm screw by shaft coupling, and wherein turbine all coordinates with worm screw.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110226048.0A CN102923146B (en) | 2011-08-08 | 2011-08-08 | System for cooling auxiliary filtering cabinet of locomotive |
| PCT/CN2012/076976 WO2013020414A1 (en) | 2011-08-08 | 2012-06-15 | Cooling system for auxiliary filtering cabinet of locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110226048.0A CN102923146B (en) | 2011-08-08 | 2011-08-08 | System for cooling auxiliary filtering cabinet of locomotive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102923146A CN102923146A (en) | 2013-02-13 |
| CN102923146B true CN102923146B (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110226048.0A Active CN102923146B (en) | 2011-08-08 | 2011-08-08 | System for cooling auxiliary filtering cabinet of locomotive |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102923146B (en) |
| WO (1) | WO2013020414A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108451331B (en) * | 2018-01-31 | 2024-02-27 | 天津城建大学 | Automatic heat-insulating and ventilating surrounding device |
| CN111976768B (en) * | 2020-09-04 | 2022-09-23 | 安徽浦创轨道车辆装备有限责任公司 | Air diffuser for railway vehicle |
| CN112747516A (en) * | 2020-12-24 | 2021-05-04 | 安徽永茂泰铝业有限公司 | Aluminum strip forming and cooling system |
| CN114312881B (en) * | 2021-11-24 | 2023-02-28 | 国能包神铁路集团有限责任公司 | Ventilation method, system and control device for railway generator car |
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| CN2792891Y (en) * | 2005-04-28 | 2006-07-05 | 中国南车集团株洲电力机车有限公司 | Universal ventilating conversion mechanism of locomotive |
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| CN201367032Y (en) * | 2009-03-16 | 2009-12-23 | 南车株洲电力机车有限公司 | Air temperature and pressure regulation device for machine room of electric locomotive |
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| KR960013032B1 (en) * | 1992-01-17 | 1996-09-25 | 미쯔비시 덴끼 가부시기가이샤 | Device for cooling transformer mounted on electric vehicle |
| DE102004003196A1 (en) * | 2004-01-22 | 2005-08-18 | Daimlerchrysler Ag | Air duct for car heaters has outlet grille with pattern of apertures, apertures near edges being smaller than those in center, equalizing pressure differences in air flow produced by control valve |
| KR100616579B1 (en) * | 2004-05-24 | 2006-08-29 | 엘지노텔 주식회사 | Outdoor type cooling device of communication equipment and thereof cooling method |
| JP2007253693A (en) * | 2006-03-22 | 2007-10-04 | Mitsubishi Electric Corp | Air-conditioner for vehicle and rolling stock equipped therewith |
| DE102008045952A1 (en) * | 2008-09-04 | 2010-03-25 | Siemens Aktiengesellschaft | Rail vehicle with switching between winter and summer operation |
| CN101844501B (en) * | 2010-05-21 | 2011-11-09 | 重庆长安汽车股份有限公司 | Waste heat utilizing system of electric automobile |
| CN101888768A (en) * | 2010-07-22 | 2010-11-17 | 江苏华豪航海电器有限公司 | Temperature controllable telecommunication acceleration cabinet |
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- 2011-08-08 CN CN201110226048.0A patent/CN102923146B/en active Active
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- 2012-06-15 WO PCT/CN2012/076976 patent/WO2013020414A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2211028A (en) * | 1987-10-13 | 1989-06-21 | British Telecomm | Resilient mounting in a standby generator system |
| CN2792891Y (en) * | 2005-04-28 | 2006-07-05 | 中国南车集团株洲电力机车有限公司 | Universal ventilating conversion mechanism of locomotive |
| CN201214420Y (en) * | 2008-01-11 | 2009-04-01 | 南车资阳机车有限公司 | Vehicle louver sheet differential control apparatus |
| CN201367032Y (en) * | 2009-03-16 | 2009-12-23 | 南车株洲电力机车有限公司 | Air temperature and pressure regulation device for machine room of electric locomotive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102923146A (en) | 2013-02-13 |
| WO2013020414A1 (en) | 2013-02-14 |
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Address after: 037038 No.1 Qianjin Street, Pingcheng District, Datong City, Shanxi Province Patentee after: CRRC DATONG Co.,Ltd. Address before: 037038 No. 1, Daqing Road, Shanxi, Datong Patentee before: DATONG ELECTRIC LOCOMOTIVE Co.,Ltd. OF CNR |