CN103158733A - Air conditioning unit for high-speed motor train unit - Google Patents
Air conditioning unit for high-speed motor train unit Download PDFInfo
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- CN103158733A CN103158733A CN2011104208109A CN201110420810A CN103158733A CN 103158733 A CN103158733 A CN 103158733A CN 2011104208109 A CN2011104208109 A CN 2011104208109A CN 201110420810 A CN201110420810 A CN 201110420810A CN 103158733 A CN103158733 A CN 103158733A
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Abstract
The invention relates to an air conditioning unit for a high-speed motor train unit. The air conditioning unit for the high-speed motor train unit comprises an outdoor machine and an indoor machine which are separated from each other, wherein the outdoor machine is connected with the indoor machine through a refrigerant pipeline, the outdoor machine is mounted below a train, and the indoor machine is mounted at one end of a coach of the train. According to the air conditioning unit of the high-speed motor train unit, a split type design is adopted, the outdoor machine is hung below the train, the indoor machine is mounted at one end of the coach in the train, and thus the requirement of special structure of a high-speed-level motor train unit is met completely. Further, due to the fact that the indoor machine is disposed in the train and the outdoor machine is hung below the train, the gravity center of the whole train is lowered, and the requirements of low gravity center and high speed of the train are met.
Description
Technical field
The present invention relates to a kind of air-conditioning unit that uses on guideway vehicle, particularly a kind of air-conditioning unit that uses on the EMU of more speed grade belongs to railway vehicle air conditioner manufacturing technology field.
Background technology
In EMU, general every joint compartment is equipped with two air-conditioning units, and every air-conditioning unit adopts cellular structure, and air-conditioning unit complete machine is arranged on vehicle bottom, also is provided with air interchanger at vehicle bottom.The air-conditioning unit is connected with return air inlet with air outlet in car by supply air duct and return airway.
The EMU of more speed grade, no matter be speed or project organization, all with vehicle in the past, larger difference is arranged, the air-conditioning unit of existing motor train unit can't satisfy the operating needs of more speed grade motor train unit, therefore only for the suitable air conditioner system of actual conditions development and design of the EMU of more speed grade, the normal operation of guarantee air-conditioning unit and raising refrigeration and heating efficiency, make air parameter and air quality in the compartment 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, the air-conditioning unit that provides a kind of EMU special construction that can satisfy the more speed grade to require.
For achieving the above object, technical scheme of the present invention is:
A kind of EMU air-conditioning unit comprises off-premises station and the indoor set of split, and described off-premises station is connected by refrigerant pipeline with indoor set, and described off-premises station is installed under car, and described indoor set is installed on an end in compartment.
Further, described indoor set comprises box-shaped shell, evaporator, electric heater and indoor fan at least, at least have air outlet and return air inlet on the upper surface of described housing, described indoor fan is arranged at the air-supply side, and described electric heater is arranged between described evaporator and described indoor fan.
Further, be provided with sound absorption materials on the inwall of the housing of described indoor set.
Further, the bottom of described indoor unit casing is provided with mount pad, between the floor underframe in described mount pad and compartment, vibration-proof structure is set.
Further, be provided with a plurality of upper cover plates that open and close or dismantle and side cover plate on the upper surface of described indoor unit casing and sidewall.
Further, be provided with air-filtering arrangement at the return air inlet place of described indoor set.
Further, the pressure head of described indoor fan is greater than 450Pa.
Further, connect an air-supply blending bin at the air outlet place of described indoor set, be provided with the return air blending bin at the return air inlet place of described indoor set.
Further, described off-premises station comprises box-shaped shell, condenser, compressor, gas-liquid separator and outdoor fan at least, and the ventilation inlet of described off-premises station is arranged on the sidewall of described housing, and the air outlet of described off-premises station is arranged on the bottom of described housing.
Further, be threaded connection between the two ends of described refrigerant pipeline and described indoor set and off-premises station.
Content to sum up, a kind of EMU air-conditioning unit of the present invention adopts split-type design, and off-premises station is hung under car, and indoor set is installed on an end of car interior compartment, satisfies the requirement of the special construction of more speed grade motor train unit fully.And because indoor set is arranged in car, off-premises station is hung under car, can reduce the center of gravity of car load, satisfies the vehicle low center of gravity, requirements at the higher level at a high speed.In addition, this kind mode has alleviated the total weight in air-conditioning unit and air channel, satisfies vehicle weight-saving requirements at the higher level.
Description of drawings
Fig. 1 indoor machine structure schematic diagram of the present invention;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the structural representation after indoor set of the present invention is assembled with air-supply blending bin and return air blending bin;
Fig. 4 is the blow structural representation of blending bin of the present invention;
Fig. 5 is the structural representation of return air blending bin of the present invention
Fig. 6 is outdoor unit structure schematic diagram of the present invention;
Fig. 7 is the cutaway view of Fig. 6.
as extremely shown in Figure 7 in Fig. 1, indoor set 1, off-premises station 2, indoor unit casing 3, evaporator 4, electric heater 5, indoor fan 6, air outlet 7, return air inlet 8, air-supply blending bin 9, shell 10, ventilation inlet 11, supply air duct 12, air outlet 13, deflecting plate 14, return air blending bin 15, shell 16, return airway 17, ventilation inlet 18, air outlet 19, sound absorption materials 20, sound-absorbing orifice plate 21, mount pad 22, floor underframe 23, vibration-proof structure 24, upper cover plate 25, side cover plate 26, outdoor shell 27, condenser 28, compressor 29, gas-liquid separator 30, outdoor fan 31, ventilation inlet 32, air outlet 33, adaptor union 34, drain gutter 35, adaptor union 36, filtering installation 37, compartment 38.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail:
A kind of EMU air-conditioning unit is applied on the motor train unit of the more speed grade of speed per hour more than 500 kilometers, air-conditioning unit of every joint compartment 38 outfits.The air-conditioning unit adopts split-type design, is divided into indoor set 1 and off-premises station 2, and off-premises station 2 is hung on the underframe of vehicle bottom, and indoor set 1 is installed on an end of car interior compartment 38, and an end of 38 reserves the space that indoor set 1 and relevant air channel are installed in the compartment separately.Indoor set 1 is connected by refrigerant pipeline with off-premises station 2.
The air-conditioning unit adopts split-type structural, can shorten the total length of supply air duct and return airway, and then alleviate the total weight in air channel, an air-conditioning unit is installed in 38, every joint compartment simultaneously, by 38 air-supplies to whole joint compartment of an air-conditioning unit, further alleviate the total weight of air-conditioning unit, satisfied the motor train unit requirement higher to the vehicle weight-saving of more speed grade.
As depicted in figs. 1 and 2, indoor set 1 comprises a box-shaped shell 3, evaporator 4, electric heater 5 and indoor fan 6 at least, at least have air outlet 7 and return air inlet 8 on the upper surface of housing 3, also can have fresh wind port on housing 3, in the present embodiment, do not offer fresh wind port on the housing 3 of indoor set 1, new wind with enter again indoor set 1 after return air in car mixes.The below of evaporator 4 is provided with drip tray, is provided with drain gutter 35 on housing 3, and drain gutter 35 accesses drainage system in car by drain hose.Be provided with on housing 3 for carrying out with off-premises station 2 adaptor union 36 that communication is connected.
Be to reduce the noise of indoor set 1, be provided with the sound absorption materials (not shown) on the inwall of the housing 3 of indoor set 1, sound absorption materials can adopt glass silk flosssilk wadding etc.
For guaranteeing the air output in compartment 38, indoor fan 6 is installed on the air-supply side, and the large centrifugal blower of employing air output, for further guaranteeing the air output in compartment 38, in the present embodiment, indoor fan 6 adopts the high-head design, and is preferred, pressure head is greater than 450Pa, to guarantee the interchange of heat air quantity of motor train unit under the running velocity of more speed grade.Indoor fan 6 is two centrifugal fans of a driven by motor, correspondingly on the upper surface of housing 3 has two air outlets 7.
8 places also are provided with air-filtering arrangement 37 at return air inlet, to guarantee the cleanliness of compartment 38 interior air, air-filtering arrangement 37 adopts filtering net, for the ease of cleaning and change filtering net, airstrainer adopts the structure that can extract out, can extract out from the sidewall of housing 3.Electric heater 5 is arranged between evaporator 4 and indoor fan 6, and electric heater 5 is arranged on the back of evaporator 4.
As shown in Figure 3, air outlet 7 places connection one air-supply blending bin 9 at air-conditioning unit indoor set 1, at first 1 two air outlets 7 of indoor set air out enters air-supply blending bin 9 mixes, and then reasonably shunt, flow in different supply air ducts, to blow in car, the blending bin 9 of blowing simultaneously also plays a part to reduce air-conditioning unit and pneumatic noise.
As shown in Figure 4, air-supply sound reducing enclosure 9 comprises box-shaped enclosure 10, and shell 10 is captiveed joint with the housing 3 of indoor set 1 by bolt.Have two ventilation inlets 11 that are communicated with two air outlets 7 of indoor set 1 in the bottom of shell 10, upper surface at shell 10 has at least one air outlet 13 that is communicated with supply air duct 12 in car, there are several supply air ducts 12 that several air outlets 13 just are set, are provided with in shell 10 for the deflecting plate 14 to different supply air duct 12 shuntings.Deflecting plate 14 adopts aluminium sheet, is covered with glass silk flosssilk wadding sound absorber on aluminium sheet again, has several sound-absorption hole on aluminium sheet, plays the effect of absorbing sound and lowering noise preferably.
As shown in Figure 3, connect a return air blending bin 15 at return air inlet 8 places of air-conditioning unit indoor set 1, be used for will the return air in car and new wind send into again indoor set 1 after mixing, also play a part to reduce air-conditioning unit and pneumatic noise simultaneously.
As shown in Figure 5, return air blending bin 15 comprises a shell 16, be provided with two ventilation inlets 18 that are communicated with return airway 17 and new wind air channel (not shown) at the upper surface of shell 16, be provided with the air outlet 19 of return air inlet 8 connections of indoor set 1 at the lower surface of shell 16.
In order further to reduce noise, all apply one deck glass silk flosssilk wadding sound absorption materials 20 on the inwall of the shell 16 of the shell 10 of air-supply sound reducing enclosure 9 and return air blending bin 15, in the outside of sound absorption materials, one deck sound-absorbing orifice plate 21 is set again.In order to prevent shell 10 and 16 dewfall, simultaneously in order to guarantee that cold does not lose, apply again the quiet De Er warm material of one deck on the outer wall of the shell 16 of the shell 10 of air-supply sound reducing enclosure 9 and return air blending bin 15.
As depicted in figs. 1 and 2, be provided with on the upper surface of the housing 3 of indoor set 1 and can open and close or detouchable upper cover plate 25, be provided with the side cover plate 26 that can open and close or dismantle on the sidewall of housing 3.In the time need to overhauling each parts in indoor set 1, only need to open corresponding upper cover plate 25 or side cover plate 26 get final product, easy to operate simply, and upper cover plate 25 can adopt two frame modes of splitting.
as shown in Figure 6 and Figure 7, off-premises station 2 comprises a box-shaped shell 27 at least, condenser 28, compressor 29, gas-liquid separator 30 and outdoor fan 31, two compressors 29 and two gas-liquid separators 30 are arranged on the interior end of housing 27, condenser 28 can two condensers of corresponding employing, also can adopt dual loop condenser, the present embodiment preferably adopts dual loop condenser, form independently two refrigerating cycle with two compressors 29, correspondingly, evaporator 4 in indoor set 1 also adopts Double-loop evaporator, when one of them compressor 29 fault, another compressor 29 can also guarantee the most basic refrigeration demand in compartment 38.
The ventilation inlet 32 of off-premises station 2 is arranged on the sidewall of housing 27, and two outdoor fans 31 are arranged on ventilation inlet 32 places, and the air outlet 33 of off-premises station 2 is arranged on the diapire of housing 27.Off-premises station 2 forms from side air admission, from the mode of the downward air draft in bottom, like this, off-premises station 2 can be installed on the position of close skirtboard under car, and ventilation inlet 32 is towards the skirtboard setting, due to downward air draft, air draft can directly not blow to equipment compartment, can reduce the temperature of equipment compartment.
All be provided with the adaptor union 34 that connects the machine pipe for connecting on the housing 27 that the housing 3 of indoor set 1 is connected with off-premises station, even be threaded connection between the adaptor union 34 of the two ends of machine pipe and indoor set 1 and off-premises station 2, because every air-conditioning unit arranges two compressors, always have four refrigerant pipes, the outer wall of low pressure line will be done insulation and process.
After the conversion of power supply process vehicle auxiliary power unit (APU), directly supply three plase alternating current AC380V/50Hz to the air-conditioning unit, the controller to the air-conditioning unit provides the DC110V direct supply simultaneously, guarantees the normal operation of air-conditioning unit.
As mentioned above, given scheme content, can derive similar technical 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. EMU air-conditioning unit comprises off-premises station and the indoor set of split, and described off-premises station is connected by refrigerant pipeline with indoor set, it is characterized in that: described off-premises station is installed under car, and described indoor set is installed on an end in compartment.
2. EMU air-conditioning unit according to claim 1, it is characterized in that: described indoor set comprises box-shaped shell, evaporator, electric heater and indoor fan at least, at least have air outlet and return air inlet on the upper surface of described housing, described indoor fan is arranged at the air-supply side, and described electric heater is arranged between described evaporator and described indoor fan.
3. EMU air-conditioning unit according to claim 2 is characterized in that: be provided with sound absorption materials on the inwall of the housing of described indoor set.
4. EMU air-conditioning unit according to claim 2, it is characterized in that: the bottom of described indoor unit casing is provided with mount pad, between the floor underframe in described mount pad and compartment, vibration-proof structure is set.
5. EMU air-conditioning unit according to claim 2 is characterized in that: be provided with a plurality of upper cover plates that open and close or dismantle and side cover plate on the upper surface of described indoor unit casing and sidewall.
6. EMU air-conditioning unit according to claim 2 is characterized in that: the return air inlet place at described indoor set is provided with air-filtering arrangement.
7. EMU air-conditioning unit according to claim 2, it is characterized in that: the pressure head of described indoor fan is greater than 450Pa.
8. EMU air-conditioning unit according to claim 2 is characterized in that: the air outlet place at described indoor set connects an air-supply blending bin, is provided with the return air blending bin at the return air inlet place of described indoor set.
9. EMU air-conditioning unit according to claim 1, it is characterized in that: described off-premises station comprises box-shaped shell, condenser, compressor, gas-liquid separator and outdoor fan at least, the ventilation inlet of described off-premises station is arranged on the sidewall of described housing, and the air outlet of described off-premises station is arranged on the bottom of described housing.
10. EMU air-conditioning unit according to claim 1, is characterized in that: be threaded connection between the two ends of described refrigerant pipeline and described indoor set and off-premises station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104208109A CN103158733A (en) | 2011-12-15 | 2011-12-15 | Air conditioning unit for high-speed motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104208109A CN103158733A (en) | 2011-12-15 | 2011-12-15 | Air conditioning unit for high-speed motor train unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103158733A true CN103158733A (en) | 2013-06-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104208109A Pending CN103158733A (en) | 2011-12-15 | 2011-12-15 | Air conditioning unit for high-speed motor train unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103158733A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527684A (en) * | 2014-12-08 | 2015-04-22 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle air conditioning unit installed under vehicle |
| WO2016091043A1 (en) * | 2014-12-08 | 2016-06-16 | 中车青岛四方机车车辆股份有限公司 | Air conditioning unit of track vehicle mounted under vehicle |
| CN106394583A (en) * | 2016-08-31 | 2017-02-15 | 中车青岛四方机车车辆股份有限公司 | Air conditioner and rail-mounted train with air conditioner |
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| CN201914054U (en) * | 2010-12-29 | 2011-08-03 | 石家庄国祥运输设备有限公司 | Air duct system of cab |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527684A (en) * | 2014-12-08 | 2015-04-22 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle air conditioning unit installed under vehicle |
| WO2016091043A1 (en) * | 2014-12-08 | 2016-06-16 | 中车青岛四方机车车辆股份有限公司 | Air conditioning unit of track vehicle mounted under vehicle |
| GB2542315A (en) * | 2014-12-08 | 2017-03-15 | Crrc Qingdao Sifang Co Ltd | Air conditioning unit of track vehicle mounted under vehicle |
| US20170151961A1 (en) * | 2014-12-08 | 2017-06-01 | Crrc Qingdao Sifang Co., Ltd. | Air conditioning unit of track vehicle mounted under vehicle |
| GB2542315B (en) * | 2014-12-08 | 2020-12-02 | Crrc Qingdao Sifang Co Ltd | Air conditioning unit of track vehicle mounted under vehicle |
| CN106394583A (en) * | 2016-08-31 | 2017-02-15 | 中车青岛四方机车车辆股份有限公司 | Air conditioner and rail-mounted train with air conditioner |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130619 |
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| RJ01 | Rejection of invention patent application after publication |