CN110027583B - Split type air conditioning system of railway vehicle and railway vehicle - Google Patents
Split type air conditioning system of railway vehicle and railway vehicle Download PDFInfo
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- CN110027583B CN110027583B CN201910346654.2A CN201910346654A CN110027583B CN 110027583 B CN110027583 B CN 110027583B CN 201910346654 A CN201910346654 A CN 201910346654A CN 110027583 B CN110027583 B CN 110027583B
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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
- B61D27/0018—Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating
Abstract
The invention relates to a split type air conditioning system of a railway vehicle and the railway vehicle, which comprises a condensing unit and an evaporating unit, wherein the evaporating unit comprises an evaporator and an evaporating fan, the condensing unit comprises a compressor, a condenser and the evaporating fan, a plurality of groups of evaporating units are arranged in a carriage, the condensing unit is arranged above a floor at the end part of the carriage, and the condensing unit is simultaneously connected with the plurality of groups of evaporating units through refrigerant pipelines. The condensing unit is arranged above the floor at the end part of the carriage, and a plurality of groups of evaporating units are distributed in the carriage to supply air to the carriage, so that the air supply structure and the air conditioner structure are optimized, the space in the carriage is reasonably and fully utilized, the refrigeration and heating efficiency of the whole machine is improved, the noise is greatly reduced, the comfort in the carriage is enhanced, and the overhaul is convenient.
Description
Technical Field
The invention relates to an air conditioning system, in particular to a split type air conditioning system installed on a railway vehicle, and belongs to the technical field of railway vehicle air conditioner manufacturing.
Background
The air conditioning system equipped in the rail vehicles such as the high-speed motor train unit and the like mainly has two forms, one is a unit type structure and is integrally installed on the roof or the bottom of the train, the other is a split type structure, the air conditioning unit consists of an evaporation unit and a condensation unit, and the evaporation unit and the condensation unit are connected through a refrigerant pipeline.
The existing air conditioning system, no matter in unit type or split type, all installs the air supply wind channel that leads to long setting along automobile body length direction above the roof in carriage to supply air to each region in the carriage, in order to make the air supply more even soft moreover, be provided with the main air supply wind channel in the middle of and the static pressure wind channel of both sides in the air supply wind channel generally, the supply-air outlet of supplying air to in the carriage is seted up on the casing in static pressure wind channel. For split air conditioning units, the condensing unit is typically mounted in an equipment compartment at the bottom of the vehicle body. For the vehicle type with a large vehicle body section, the roof and the underside of the vehicle are provided with enough space for installing the unit type air conditioning unit, the air supply duct or the condensing unit, but the vehicle type with a small vehicle body section is not suitable, and the vehicle type with a small vehicle body section cannot carry out the structural design of the air conditioning unit and the optimization of the air supply mode according to the configuration mode generally adopted in the prior art. In addition, the air processed by the evaporator can enter the carriage only through the longer air supply duct, the cold quantity or the heat quantity has larger loss in the air supply duct, the refrigeration or heating efficiency of the whole air conditioning unit is reduced, and the indoor fan needs to adopt the blower with larger power, so that the air processed by the evaporator can be sent into the carriage, and the noise of the whole machine is increased.
Disclosure of Invention
The invention mainly solves the technical problems of providing a split type air conditioning system of a railway vehicle, which has an optimized structure, reasonably utilizes space and is suitable for being installed on a small-section vehicle type, and also provides a railway vehicle provided with the split type air conditioning system.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a split type air conditioning system of rail vehicle, includes condensation unit and evaporation unit, the evaporation unit includes evaporimeter and evaporation fan, the condensation unit includes compressor, condenser and condensation fan, installs the multiunit in the carriage the evaporation unit, the condensation unit is installed in the floor top of carriage tip, the condensation unit simultaneously with the multiunit the evaporation unit passes through refrigerant tube coupling.
Furthermore, every section carriage is equipped with two sets of condensing unit, and two sets of condensing unit set up the both sides at the same tip in carriage or be the diagonal setting at the both ends in carriage, and the multiunit evaporation unit is established respectively in the both sides in carriage, and the multiunit evaporation unit of homonymy is connected with the condensing unit of homonymy.
Furthermore, an air supply cavity extending along the length direction of the carriage is arranged in the evaporation unit, the air supply cavity is arranged on the air outlet side of the evaporation fan, and a first air supply outlet for supplying air into the carriage is arranged on a first side plate on one side of the air supply cavity.
Furthermore, the air supply cavity of the evaporation unit is separated by a partition plate, the other side of the partition plate is provided with an evaporator and an evaporation fan, and the evaporation fan is fixed on the partition plate.
And further, two ends or one end of the air supply cavity is connected with an air supply duct, the air supply cavity and the air supply duct are connected along the length direction of the vehicle body, and a second air supply outlet for supplying air into the carriage is arranged on a second side plate on one side of the air supply duct.
Further, the evaporation unit and the air supply duct are mounted inside a carriage side top plate above the window.
Furthermore, in the condensation unit, the condensation fan is installed above the condenser, and the side wall of the vehicle body corresponds to the condenser and the condensation fan and is provided with a condensation air inlet and a condensation air outlet.
Furthermore, a fresh air inlet is formed in the side wall of the vehicle body corresponding to the evaporation unit and communicated with the inner cavity of the evaporation unit through a fresh air duct.
Furthermore, the space in the carriage is correspondingly divided into a plurality of areas corresponding to the number of the evaporation units, a temperature detection device is arranged at an air return inlet of each group of the evaporation units, and the flow of the refrigerant entering the evaporation units is correspondingly adjusted according to a pre-stored adjusting strategy according to the difference value between an actual value detected by the temperature detection device and a set temperature value.
The other technical scheme of the invention is as follows:
a rail vehicle is provided with the split type air conditioning system.
In summary, compared with the prior art, the split type air conditioning system for the rail vehicle and the rail vehicle provided by the invention have the following advantages:
(1) the invention adopts a split design, the condensing unit is arranged above the floor at the end part of the carriage, and a plurality of groups of evaporating units are distributed in the carriage to supply air to the carriage, thereby optimizing the air supply structure and the air conditioning structure, reasonably and fully utilizing the space in the carriage and solving the difficult problem of the arrangement of the air conditioning system of the small-section vehicle.
(2) The invention omits an air supply duct and an air return duct which are arranged along the length direction of the vehicle body in the prior art, so that the refrigerating capacity and the heating capacity can be maximally utilized, the loss without accidents is reduced, and the refrigerating and heating efficiency of the whole machine is improved.
(3) The evaporation fan is miniaturized along with the scattered arrangement of the evaporation units, so that the noise is greatly reduced, the comfort in a carriage is enhanced, and the maintenance is convenient.
(4) The invention integrates the outer shells of the evaporation unit and the condensation unit with the side top plate and the inner wall plate which are arranged in the vehicle body, thereby not only saving materials and reducing weight, but also tightly combining the air conditioning system with the vehicle structure and further reducing the space occupied by the air conditioning system.
Drawings
FIG. 1 is a schematic diagram of the system architecture of the present invention;
FIG. 2 is a schematic view of the structure of the evaporation unit of the present invention;
FIG. 3 is a schematic diagram of the structure of the condensing unit of the present invention.
As shown in fig. 1 to 3, the condensation unit 1, the evaporation unit 2, the first housing 3, the first side plate 3a, the bottom plate 3b, the evaporator 4, the evaporation fan 5, the window 6, the body top plate 7, the body side wall 8, the air supply cavity 9, the first air supply outlet 10, the air return opening 11, the fresh air inlet 12, the fresh air duct 13, the air supply duct 14, the second side plate 14a, the second air supply outlet 15, the second housing 16, the compressor 17, the condenser 18, the condensation fan 19, the condensation air inlet 20, and the condensation air outlet 21.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
the first embodiment is as follows:
as shown in fig. 1, the present embodiment provides a split type air conditioning system for a rail vehicle, which includes a split type condensing unit 1 and an evaporating unit 2.
Wherein, evaporation unit 2 is the multiunit, and the dispersion is arranged inside the carriage for adjust the temperature and the humidity of carriage environment. In this embodiment, the plurality of groups of evaporation units 2 are uniformly arranged on both sides of the carriage in the transverse direction, and preferably, two groups of evaporation units 2 are respectively arranged on each side of the carriage and are respectively installed between three doors on each side of the subway.
The condensing unit 1 is installed above the floor at the end of the vehicle compartment, and makes full use of the space at the end of the vehicle compartment. In this embodiment, each compartment is provided with two sets of condensing units 1, the two sets of condensing units 1 are diagonally disposed at two ends of the compartment, and of course, the two sets of condensing units 1 may be disposed at two sides of the same end of the compartment. The multiple groups of evaporation units 2 on the same side are connected with the condensation units 1 on the same side through refrigerant pipelines, and the multiple groups of evaporation units 2 are driven to operate by the multiple groups of condensation units 1. The arrangement mode is beneficial to reducing the length of the refrigerant pipeline and improving the refrigeration or heating efficiency.
As shown in fig. 2, the evaporation unit 2 is mounted entirely inside the roof panel on the cabin side above the window 6, and the evaporation unit 2 is mounted using the space at the top corner on the vehicle body side, thereby making full use of the space above the roof panel on the cabin side. The evaporation unit 2 includes an evaporator 4 and an evaporation fan 5, and the evaporator 4 and the evaporation fan 5 are installed in the first housing 3. The roof of first shell 3 utilizes suspended structure to hang on automobile body roof 7, and the curb plate in the outside of first shell 3 passes through the fastener and fixes with automobile body side wall 8, guarantees that evaporation unit 2 is fixed firm.
The evaporator 4 is arranged on the air inlet side of the evaporation fan 5 and extends along the length direction of the vehicle body. Install two to three evaporation fan 5 in every evaporation unit 2, under the prerequisite of guaranteeing the air output, can reduce every evaporation fan 5's power, be favorable to making the air supply softer, also be favorable to reducing evaporation unit 2's noise simultaneously, improve the travelling comfort.
The air outlet side of the evaporation fan 5 is provided with an air supply cavity 9, and the air supply cavity 9 is integrally flat and extends along the length direction of the vehicle body. The air supply cavity 9 is separated by a partition plate 22, the partition plate 22 separates the space in the evaporation unit 2 into a front space and a rear space, the space in front of the partition plate 22 is the air supply cavity 9, the evaporation fan 5 and the evaporator 4 are installed in the space behind the partition plate 22, and the evaporation fans 5 are simultaneously and fixedly installed on the partition plate 22. A plurality of evaporating fan 5 supply air to air supply chamber 9 simultaneously, and air supply chamber 9 plays the effect of buffering as the static pressure wind channel to evaporating fan 5's air-out, not only makes the air supply more even and soft, also is favorable to reducing the produced noise when supplying air simultaneously, has increased the comfort level.
A first side plate 3a of the first casing 3 in the front of the air supply cavity 9 is provided with a first air supply outlet 10 for supplying air into the compartment, one or more first air supply outlets 10 may be provided, and an air supply filtering device is mounted at the first air supply outlet 10. A return air inlet 11 is arranged on the bottom plate 3b at the rear end part of the first shell 3, and a return air filtering device is arranged at the return air inlet 11. The evaporator 4 is obliquely arranged above the air return opening 11 to increase the heat exchange area.
A fresh air inlet 12 is further formed in the vehicle body side wall 8 corresponding to the evaporation unit 2, a fresh air valve and a fresh air filtering device are installed at the fresh air inlet 12, and the fresh air inlet 12 is communicated with the inner cavity of the evaporation unit 2 through a fresh air duct 13. Indoor air enters an inner cavity of the evaporation unit 2 from the air return opening 11 and is mixed with fresh air entering from a fresh air inlet 12, the mixed air passes through the evaporator 4 under the action of the evaporation fan 5 and is subjected to heat exchange with the evaporator 4, the air after heat exchange enters the air supply cavity 9 and then is supplied into a carriage through the first air supply opening 10.
In order to ensure uniform air supply in each area of the vehicle interior, as shown in fig. 1, in this embodiment, air supply ducts 14 are further connected to both ends or one end of the air supply cavity 9, and the air supply ducts 14 are located above the vehicle doors. The air supply cavity 9 is hermetically connected with the air supply duct 14 through a hose, so that installation errors can be eliminated, and installation difficulty can be reduced. The air supply cavity 9 and the air supply duct 14 extend in the longitudinal direction of the vehicle body, and the air supply duct 14 is provided with a second air supply outlet 15 for supplying air into the vehicle compartment. As shown in fig. 2, the air supply duct 14 is similarly installed inside the roof panel on the vehicle compartment side above the door, and the air supply duct 14 is installed using the space at the top corner on the vehicle body side, thereby making full use of the space above the roof panel on the vehicle compartment side. The shell top plate of the air supply duct 14 is hung on the vehicle body top plate 7 through a hanger.
The plurality of evaporation fans 5 send the air processed by the evaporator 4 into the air supply cavity 9 in front, wherein a part of the air is sent into the carriage through the first air supply outlet 10, and the other part of the air enters the air supply air channels 14 at the two ends and is sent into the carriage through the second air supply outlet 15 on the air supply air channel 14. In the embodiment, the air is supplied into the carriage through the air supply cavity 9 and the air supply duct 14 which are arranged along the length direction of the carriage, so that the air supply in each area in the carriage is more uniform and softer, the air return duct and the main air supply duct which are arranged along the length direction of the carriage body in the prior art are omitted, the structure is simpler, the cost is lower, and the weight is lighter. Meanwhile, the refrigerating capacity and the heating capacity are both utilized to the maximum, so that the loss caused by no reason is reduced, and the refrigerating and heating efficiency of the whole machine is improved.
As shown in fig. 2, in this embodiment, the front first side plate 3a of the first housing 3 of the evaporation unit 2 and the bottom plate 3b of the rear end are both a part of the carriage side top plate, and the second side plate 14a of the air supply duct 14 provided with the second air supply outlet 15 is also a part of the carriage side top plate, and the outline profiles are completely the same, so that not only can installation components be reduced, materials are saved, the cost is reduced, the total weight and the installation difficulty of the evaporation unit 2 are reduced, but also the air conditioning system is tightly combined with the vehicle structure, the space occupied by the air conditioning system is further reduced, and the installation on a vehicle of a small-section vehicle type is facilitated.
In this embodiment, the space in the compartment is correspondingly divided into a plurality of areas corresponding to the number of the evaporation units 2, that is, four evaporation units 2 are correspondingly divided into four areas, and a temperature detection device is arranged at the air return opening 11 of each evaporation unit 2, so as to detect the air return temperature in the compartment. In this embodiment, it is preferable to install two temperature sensors at the air return opening 11 of each evaporation unit 2, when one of the temperature sensors is damaged, the other temperature sensor can still normally detect, and when both of the temperature sensors can normally operate, the average value of the detection values of the two temperature sensors is taken as the actual temperature value T of the area. The controller of the air conditioning system compares the acquired actual temperature value T with the set temperature value Ts of the area in real time, and correspondingly adjusts the refrigerant flow entering the evaporation unit 2 according to a pre-stored adjustment strategy according to the difference value of the actual temperature value T and the set temperature value Ts, wherein different temperature difference values correspond to different refrigerant flows of the evaporation unit 2. The adjusting strategy is to correspondingly control the opening degree of an electronic expansion valve connected with the evaporation unit 2 in the area according to the difference value between the actual temperature value T and the set temperature value Ts. Therefore, when the personnel density in different areas in the carriage is different, the refrigerant flow of the evaporation unit 2 in the area can be correspondingly adjusted, the comfort level of each area can be improved, and the purposes of energy conservation and environmental protection can be achieved.
As shown in fig. 3, the condensing unit 1 includes a compressor 17, a condenser 18, and a condensing fan 19, and the compressor 17, the condenser 18, and the condensing fan 19 are installed in the second housing 16. The second housing 16 of the condensation unit 1 acts directly as an interior wall panel of the passenger compartment and extends this wall panel up to the roof of the vehicle. The air conditioning system has the advantages that the material is saved, the weight is reduced, meanwhile, the air conditioning system is tightly combined with the vehicle structure, the space occupied by the air conditioning system is further reduced, and the installation on a vehicle of a small-section vehicle type is facilitated.
A heat and sound insulating material is attached to the inner surface of the second casing 16 in a thickness to reduce the influence of the operating noise of the condensing unit 1 on the cabin environment, and also to contribute to the reduction of the temperature of the outer surface of the second casing 16, which serves as an interior wall panel.
The condenser 18 in the condensing unit 1 is obliquely arranged above the compressor 17, the condensing fan 19 is obliquely arranged above the condenser 18, and two condensing fans 19 are arranged side by side. A condensation air inlet and a condensation air outlet are formed in the second shell 16 corresponding to the condenser 18 and the condensation fan 19, and the compressor 17 is installed near the condensation air inlet 20, so that the temperature of the compressor 17 can be reduced. An air inlet 20 and an air outlet 21 are formed in the side wall 8 of the vehicle body and correspond to a condensation air inlet and a condensation air outlet on the second shell 16, the condensation air inlet and the condensation air outlet on the second shell 16 are connected with the air inlet 20 and the air outlet 21 on the side wall of the vehicle body through sealing structures, and filtering devices are mounted at the air inlet 20 and the air outlet 21.
The air conditioning system adopts a split type design, the condensing unit 1 is arranged above the floor at the end part of the carriage, and the plurality of groups of evaporating units 2 are distributed in the carriage to supply air to the carriage, so that an air supply structure and an air conditioning structure are optimized, the space in the carriage is reasonably and fully utilized, and the difficult problem of arrangement of the small-section vehicle air conditioning system is solved.
Example two:
the embodiment provides a railway vehicle which comprises a plurality of carriages, wherein the split type air conditioning system is arranged on each carriage.
As described above, similar technical solutions can be derived from the solutions given in the figures and the embodiments. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a split type air conditioning system of rail vehicle, includes condensing unit and evaporation unit, the evaporation unit includes evaporimeter and evaporation fan, the condensing unit includes compressor, condenser and condensation fan, its characterized in that: the car body is internally provided with a plurality of groups of evaporation units which are respectively arranged at two sides of the car body, the evaporation units are arranged in a roof plate at the side of the car body above a car window between two car doors, the condensation units are arranged above a floor at the end part of the car body, and the condensation units are simultaneously connected with the plurality of groups of evaporation units through refrigerant pipelines;
the space in the evaporation unit is divided into a front space and a rear space by a partition plate, the space in front of the partition plate is an air supply cavity, the air supply cavity is arranged on the air outlet side of the evaporation fan, the air supply cavity is integrally flat and extends along the length direction of the vehicle body, and a first air supply outlet for supplying air into the compartment is arranged on a first side plate of a first shell at the front part of the air supply cavity; an evaporator and evaporation fans are arranged in the space behind the partition plate, two to three evaporation fans are arranged in each evaporation unit, the evaporation fans are fixed on the partition plate at the same time, and a return air inlet is formed in the bottom plate at the rear end of the first shell.
2. A split rail vehicle air conditioning system as set forth in claim 1 wherein: every section carriage is equipped with two sets of condensing unit, and two sets of condensing unit set up the both sides at the same tip in carriage or be the diagonal setting at the both ends in carriage, and the multiunit evaporation unit of homonymy is connected with the condensing unit of homonymy.
3. A split rail vehicle air conditioning system as set forth in claim 1 wherein: and two ends or one end of the air supply cavity is connected with an air supply duct, the air supply cavity and the air supply duct are connected along the length direction of the vehicle body, and a second air supply outlet for supplying air into the carriage is arranged on a second side plate on one side of the air supply duct.
4. A split rail vehicle air conditioning system as set forth in claim 3 wherein: the evaporation unit and the air supply duct are mounted inside a carriage side top plate above a vehicle window.
5. A split rail vehicle air conditioning system as claimed in claim 1 or 2 wherein: in the condensation unit, the condensation fan is installed above the condenser, and the side wall of the vehicle body corresponds to the condenser and the condensation fan and is provided with a condensation air inlet and a condensation air outlet.
6. A split rail vehicle air conditioning system as claimed in claim 1 or 2 wherein: a fresh air inlet is formed in the side wall, corresponding to the evaporation unit, of the vehicle body, and the fresh air inlet is communicated with the inner cavity of the evaporation unit through a fresh air duct.
7. A split rail vehicle air conditioning system as claimed in claim 1 or 2 wherein: the space in the carriage is correspondingly divided into a plurality of areas corresponding to the number of the evaporation units, a temperature detection device is arranged at each group of the evaporation units, and the flow of the refrigerant entering the evaporation units is correspondingly adjusted according to a pre-stored adjustment strategy according to the difference value between an actual value detected by the temperature detection device and a set temperature value.
8. A rail vehicle, characterized in that: a split type air conditioning system as claimed in any one of claims 1 to 7 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346654.2A CN110027583B (en) | 2019-04-27 | 2019-04-27 | Split type air conditioning system of railway vehicle and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346654.2A CN110027583B (en) | 2019-04-27 | 2019-04-27 | Split type air conditioning system of railway vehicle and railway vehicle |
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| Publication Number | Publication Date |
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| CN110027583A CN110027583A (en) | 2019-07-19 |
| CN110027583B true CN110027583B (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910346654.2A Active CN110027583B (en) | 2019-04-27 | 2019-04-27 | Split type air conditioning system of railway vehicle and railway vehicle |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112114598B (en) * | 2020-09-23 | 2021-10-22 | 中车大同电力机车有限公司 | Method and system for controlling ventilation between locomotive machinery rooms, medium and electronic equipment |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58126214A (en) * | 1982-01-20 | 1983-07-27 | Hitachi Ltd | Cooler for vehicles |
| CN202213585U (en) * | 2011-08-30 | 2012-05-09 | 南车青岛四方机车车辆股份有限公司 | Air-conditioning ventilation system of high-speed railway vehicle |
| CN202389384U (en) * | 2011-12-26 | 2012-08-22 | 长春长客—庞巴迪轨道车辆有限公司 | Split-type air conditioner for subway vehicle |
| CN203372244U (en) * | 2013-06-27 | 2014-01-01 | 南车青岛四方机车车辆股份有限公司 | Cab air conditioning unit for urban rail vehicle |
| CN203485925U (en) * | 2013-07-30 | 2014-03-19 | 南车青岛四方机车车辆股份有限公司 | Overhead air-conditioning unit with active pressure protection function |
| CN104554313B (en) * | 2015-01-12 | 2017-09-05 | 中车青岛四方机车车辆股份有限公司 | The city rail vehicle of Ultrathin air conditioner group is installed |
| CN105083311B (en) * | 2015-06-04 | 2018-08-31 | 山东朗进科技股份有限公司 | A kind of air-conditioner set and the suspension type hanger rail vehicle for being equipped with the air-conditioner set |
| CN106642313A (en) * | 2016-10-08 | 2017-05-10 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN206406923U (en) * | 2016-12-28 | 2017-08-15 | 石家庄国祥运输设备有限公司 | A kind of empty rail vehicle low noise air-conditioner set |
| CN106585651A (en) * | 2017-01-16 | 2017-04-26 | 李丹 | Comfortable wind-supplying energy-saving device for carriage air conditioning of railway vehicles |
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