CN203946097U - The cabinet type locomotive air conditioner of a kind of high temperature modification - Google Patents
The cabinet type locomotive air conditioner of a kind of high temperature modification Download PDFInfo
- Publication number
- CN203946097U CN203946097U CN201420250287.9U CN201420250287U CN203946097U CN 203946097 U CN203946097 U CN 203946097U CN 201420250287 U CN201420250287 U CN 201420250287U CN 203946097 U CN203946097 U CN 203946097U
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- arm
- air conditioner
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- evaporator
- condenser
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 37
- 230000004048 modification Effects 0.000 title claims abstract description 22
- 238000012986 modification Methods 0.000 title claims abstract description 22
- 238000009833 condensation Methods 0.000 claims abstract description 42
- 230000005494 condensation Effects 0.000 claims abstract description 42
- 238000001704 evaporation Methods 0.000 claims abstract description 23
- 230000008020 evaporation Effects 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000003507 refrigerant Substances 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000004378 air conditioning Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model provides a kind of high temperature modification cabinet type locomotive air conditioner, comprise casing, evaporator, ventilating set, expansion valve, compressor, condensation fan, condenser, its inner chamber of described casing is divided into a plurality of chambers, comprise an evaporation cavity and a condensation chamber, evaporator, ventilating set, expansion valve are located in evaporation cavity, and evaporator is located at the bottom position in evaporation cavity, ventilating set is located at the top of evaporator, and condenser, condensation fan, compressor are located in condensation chamber; The cabinet type locomotive air conditioner of high temperature modification also comprises the first arm, the second arm and a unloading valve, its first end of the first arm is connected with the pipeline being connected between condenser liquid outlet and expansion valve arrival end, its first end of the second arm is connected with the pipeline being connected between evaporator outlet end and compressor return air end, and its two-port respectively with the first arm second end of unloading valve is connected with second arm the second end.The locomotive air conditioner that the utility model provides can be in hot environment smooth operation.
Description
Technical field
The utility model relates to used for rail vehicle field of air conditioning, particularly the cabinet type modular locomotive air conditioner of a kind of high temperature modification.
Background technology
Railway vehicle air conditioner and general commercial and civil air conditioner exist very large different, and rail vehicle air conditioner group is a kind of special a/c system that is specifically designed to railway transport of passengers train, and it has following features:
(1) vehicle air conditioning unit is installed on the guideway vehicle of motion, in high-speed motion and vibratory impulse state.
(2) to adapt to the environment of wind and weather, Exposure to Sunlight, high temperature, severe cold.
(3) vehicle air conditioning unit, when refrigerating operaton, can produce a large amount of heats, need to dispel the heat in time, otherwise there will be the startup of compressor high voltage protective to cause the problem that cannot normally freeze.
(4) weight of vehicle air conditioning unit and space are subject to strict restriction, compact conformation.
Now, guideway vehicle has started in the whole world to be widely used.By south, to north, from the east to the west, the region that guideway vehicle is crossed over is very broad, therefore need to adapt to the Different climate environment of each department.In recent years, have benefited from the raising of orbit construction technology and vehicle manufacturing technology, a lot of high temperature area is also in succession built and has been played track traffic, and these project vehicles all send desired signal to high temperature modification air-conditioning unit.In addition, the extreme climates such as global warming that green-house effect brings, the generation of high temperature extreme weather is also more and more frequent, also makes the use of high temperature modification locomotive air conditioner unit more and more.
At present, the producer of the high temperature modification locomotive air conditioner unit of domestic production adaptation hot environment is very few, one of arrangement of locomotive air conditioner is that air-conditioning is arranged in the confined space of locomotive leading section at present, the cabinet air-conditioner of top supplying air, rear end air return structure, condensating wind is discharged at the bottom of car through confined space, because condensation air inlet/outlet resistance is large, be difficult to adapt to higher than 55 ℃ of above ambient temperature operations.When current locomotive air conditioner is used under hot environment, because thermal load is excessive, compressor produces overload protection conventionally, at compressor suction and discharge end, pressure switch is set, when pressure surpasses setting value, and compressor shutdown.So, in hot environment, compressor is opened frequent, causes normally freezing on the one hand, and vehicle comfort level is not good, and machine easily damages on the other hand.
Utility model content
In order to overcome above-mentioned deficiency, the purpose of this utility model be to provide a kind of can be in hot environment smooth operation, be conducive to improve the cabinet type locomotive air conditioner of high temperature modification of vehicle riding comfort.
For achieving the above object, the technical solution adopted in the utility model is as follows:
The cabinet type locomotive air conditioner of a kind of high temperature modification, comprise casing, evaporator, ventilating set, expansion valve, compressor, condensation fan, condenser, described compressor, condenser, expansion valve, evaporator is connected by pipeline successively and forms refrigerant circulation circuit, its inner chamber of described casing is divided into a plurality of chambers, described a plurality of chamber comprises an evaporation cavity and a condensation chamber, described evaporator, ventilating set, expansion valve is located in evaporation cavity, and described evaporator is located at the bottom position in evaporation cavity, described ventilating set is located at the top of evaporator, described condenser, condensation fan, compressor is located in condensation chamber, the cabinet type locomotive air conditioner of described high temperature modification also comprises the first arm, the second arm and a unloading valve, described its first end of the first arm is connected with the pipeline being connected between condenser liquid outlet and expansion valve arrival end, described its first end of the second arm is connected with the pipeline being connected between evaporator outlet end and compressor return air end, and its two-port respectively with the first arm second end of described unloading valve is connected with second arm the second end.
Further, its inner chamber of described casing forms described a plurality of chambers by baffle for separating.
Preferably, described condenser, condensation fan and compressor are located at respectively front portion, middle part and the rear positions of condensation chamber accordingly.
Preferably, described casing offers condensation ventilation inlet and condensation air outlet on it, and described condensation ventilation inlet is located at casing front side wall and the region corresponding with described condenser locations, and described condensation air outlet is located at bottom half and the region corresponding with condensation fan.
Further, on the pipeline being connected between condenser liquid outlet and expansion valve, be provided with device for drying and filtering.
Described device for drying and filtering is installed on the duct section between condenser liquid outlet and the first arm first end.
The technical scheme that the utility model provides has following beneficial effect:
1, the locomotive air conditioner that the utility model provides is on the basis of refrigerant circulation circuit, by the first arm, the second arm and unloading valve being set between condenser liquid outlet and compressor return air end, when hot environment is worked, after can making part refrigerant be flowed out by condenser liquid outlet, by the first arm and the second arm, directly flow back into compressor return air end, and do not enter evaporator evaporation, be conducive to like this reduce the refrigerant exhaust gas pressure in refrigerant circulation pipeline, ensure locomotive air conditioner smooth operation in hot environment.
2, further adopt upper and lower three-dimensional evaporator and the ventilating set arranged, can improve the space availability ratio of evaporation cavity, reduce evaporation cavity and take up space, be conducive to increase the space of condenser in casing finite space, can strengthen radiating effect.
3, the locomotive air conditioner that the utility model provides can be reliable and stable under hot environment operation, be conducive to improve the traveling comfort of vehicle.
Accompanying drawing explanation
Fig. 1 is air-conditioning perspective view;
Fig. 2 is the schematic top plan view of air-conditioning in Fig. 1;
Fig. 3 is the structural representation of air conditioning box body front side plate in Fig. 1;
Fig. 4 is the annexation schematic diagram between inner each parts of Fig. 1 air-conditioning.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Hereinafter, the description about front portion, middle part, rear portion, front end, rear end is to be all as the criterion with the context shown in Fig. 2.
Referring to Fig. 1～2, the cabinet type locomotive air conditioner of high temperature modification that the utility model provides, comprises casing 1, evaporator 2, ventilating set 3, expansion valve 4, compressor 5, condensation fan 6, condenser 7.
Referring to Fig. 1～2, casing 1 its inner chamber is divided into a plurality of chambers by dividing plate 20 is set, comprising having evaporation cavity 11,12 two of condensation chambers that chamber is installed.Evaporator 2, ventilating set 3, expansion valve 4 are all located in evaporation cavity 11, and compressor 5, condensation fan 6, condenser 7 are all located in condensation chamber 12.In order better to utilize case intracorporeal space, adopt three-dimensional layout, evaporator 2 is located to the bottom position in evaporation cavity 11, ventilating set 3 is located at the top of evaporator 2, can greatly save like this space taking when evaporator and ventilating set are installed, thereby reduce the space of evaporation cavity, be conducive to increase the space of condensation chamber 12 in the limited space of casing 1, thereby reach better radiating effect.In condensation chamber 12, condenser 7, condensation fan 6 and compressor 5 be the front portion of being located at condensation chamber 12, middle part and the rear positions of correspondence respectively.
Referring to Fig. 2, Fig. 4, the same with existing locomotive air conditioner, the locomotive air conditioner that the utility model provides, its compressor 5, condenser 7, expansion valve 4, evaporator 2 are connected by pipeline successively and form refrigerant circulation circuit,, the exhaust side of compressor 5 is connected by pipeline with the admission port of condenser 7, the liquid outlet of condenser 7 is connected by pipeline with the arrival end of expansion valve 4, the exit end of expansion valve 4 is connected by pipeline with the arrival end of evaporator 2, the exit end of evaporator 2 is connected by pipeline with the air return end of compressor 5, thereby forms refrigerant circulation circuit.On the basis of this refrigerant circulation circuit, locomotive air conditioner of the present utility model has been done further improvement.Locomotive air conditioner of the present utility model also comprises the first arm 16, the second arm 17 and a unloading valve 8, first arm 16 its first ends are connected with the pipeline 18 being connected between condenser 7 liquid outlets and expansion valve 4 arrival ends, second arm 17 its first ends are connected with the pipeline 19 being connected between evaporator 2 exit end and compressor 5 air return ends, and two ports of unloading valve 8 respectively with the first arm 16 second ends are connected with the second arm 17 second ends.When ambient temperature is higher; the pressure of system pipeline reaches the unlatching value of unloading valve; part refrigerant directly flow back into compressor 5 air return ends by the first arm 16 and the second arm 17 after can being flowed out by condenser 7 liquid outlets; and do not enter evaporator 2, do not evaporate; reduced compressor load; thereby greatly reduce the refrigerant exhaust gas pressure in refrigerant circulation pipeline, effectively avoided compressor 5 due to high voltage protective frequent start-stop.
Referring to Fig. 1～3, its condensation ventilation inlet 15 of the locomotive air conditioner that the utility model provides is located at casing front side wall 13, and the position of the position offered at casing front side wall of condensation ventilation inlet 15 and condenser 7 in condensation chamber is corresponding, its condensation air outlet 14 of the locomotive air conditioner providing is located at casing 1 bottom, and the position of the position offered at bottom half of condensation air outlet 14 and condensation fan 6 in condensation chamber is corresponding.The evaporation return air inlet 22 of evaporation cavity and evaporate the two ends that evaporation cavity sidewall 10 is located at respectively in air port 21, and it is corresponding with the position of ventilating set 3 to evaporate the position of offering in air port 21.Preferably, evaporate return air inlet 22 and evaporate the front and back ends that evaporation cavity sidewall 10 is located at respectively in air port 21, evaporator 2 and ventilating set 3 are installed in the position by evaporation cavity 11 rear portions, thereby reserve the segment space corresponding with evaporating return air inlet 22 in evaporation cavity 11 forward positions.
Referring to Fig. 4, on the pipeline 18 being connected between condenser 7 liquid outlets and expansion valve 4 arrival ends, be further provided with device for drying and filtering 9, preferred, this device for drying and filtering 9 is installed on the duct section between condenser 7 liquid outlets and the first arm 16 first ends.
The locomotive air conditioner that the utility model provides is on the basis of refrigerant circulation circuit, by the effect of first and second arm and unloading valve, when hot environment is worked, after can making part refrigerant be flowed out by condenser 7 liquid outlets, by the first arm 16 and the second arm 17, directly flow back into compressor 5 air return ends, and do not enter evaporator 2, do not evaporate, be conducive to like this reduce the refrigerant exhaust gas pressure in refrigerant circulation pipeline, ensure locomotive air conditioner smooth operation in hot environment.By practice, find, locomotive air conditioner of the present utility model can be in ambient temperature normally operation higher than 55 ℃ in the situation that, and reliability is high, meets completely under Pakistani high ambient conditions and uses.Locomotive air conditioner of the present utility model is conducive to improve the traveling comfort of vehicle, and stable and reliable operation also can alleviate the labour intensity of maintenance man.
The locomotive air conditioner that the utility model provides is on the basis of existing locomotive air conditioner, to carry out improvedly, and not specified part is the known technology of the art, repeats no more.
The utility model is not limited to above-mentioned embodiment, every various changes of the present utility model or modification are not departed to spirit and scope of the present utility model, if these are changed and within modification belongs to claim of the present utility model and equivalent technologies scope, the utility model also means and comprises these changes and modification.
Claims (6)
1. the cabinet type locomotive air conditioner of high temperature modification, comprise casing, evaporator, ventilating set, expansion valve, compressor, condensation fan, condenser, described compressor, condenser, expansion valve, evaporator is connected by pipeline successively and forms refrigerant circulation circuit, it is characterized in that, its inner chamber of described casing is divided into a plurality of chambers, described a plurality of chamber comprises an evaporation cavity and a condensation chamber, described evaporator, ventilating set, expansion valve is located in evaporation cavity, and described evaporator is located at the bottom position in evaporation cavity, described ventilating set is located at the top of evaporator, described condenser, condensation fan, compressor is located in condensation chamber,
The cabinet type locomotive air conditioner of described high temperature modification also comprises the first arm, the second arm and a unloading valve, described its first end of the first arm is connected with the pipeline being connected between condenser liquid outlet and expansion valve arrival end, described its first end of the second arm is connected with the pipeline being connected between evaporator outlet end and compressor return air end, and its two-port respectively with the first arm second end of described unloading valve is connected with second arm the second end.
2. the cabinet type locomotive air conditioner of high temperature modification according to claim 1, is characterized in that, its inner chamber of described casing forms described a plurality of chambers by baffle for separating.
3. the cabinet type locomotive air conditioner of high temperature modification according to claim 1, is characterized in that, described condenser, condensation fan and compressor are located at respectively front portion, middle part and the rear positions of condensation chamber accordingly.
4. the cabinet type locomotive air conditioner of high temperature modification according to claim 3, it is characterized in that, described casing offers condensation ventilation inlet and condensation air outlet on it, described condensation ventilation inlet is located at casing front side wall and the region corresponding with described condenser locations, and described condensation air outlet is located at bottom half and the region corresponding with condensation fan.
5. the cabinet type locomotive air conditioner of high temperature modification according to claim 1, is characterized in that, on the pipeline being connected between condenser liquid outlet and expansion valve, is provided with device for drying and filtering.
6. the cabinet type locomotive air conditioner of high temperature modification according to claim 5, is characterized in that, described device for drying and filtering is installed on the duct section between condenser liquid outlet and the first arm first end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420250287.9U CN203946097U (en) | 2014-05-15 | 2014-05-15 | The cabinet type locomotive air conditioner of a kind of high temperature modification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420250287.9U CN203946097U (en) | 2014-05-15 | 2014-05-15 | The cabinet type locomotive air conditioner of a kind of high temperature modification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203946097U true CN203946097U (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420250287.9U Expired - Lifetime CN203946097U (en) | 2014-05-15 | 2014-05-15 | The cabinet type locomotive air conditioner of a kind of high temperature modification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203946097U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836547A (en) * | 2019-11-22 | 2020-02-25 | 徐州迈特制冷设备有限公司 | Refrigeration equipment convenient for cooling tube bank |
| CN111237884A (en) * | 2020-03-18 | 2020-06-05 | 中车大连机车研究所有限公司 | Cabinet type integrated cab air conditioning device |
-
2014
- 2014-05-15 CN CN201420250287.9U patent/CN203946097U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836547A (en) * | 2019-11-22 | 2020-02-25 | 徐州迈特制冷设备有限公司 | Refrigeration equipment convenient for cooling tube bank |
| CN111237884A (en) * | 2020-03-18 | 2020-06-05 | 中车大连机车研究所有限公司 | Cabinet type integrated cab air conditioning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGZHOU ZHONGCHE RAIL TRANSIT AIR CONDITIONING E Free format text: FORMER OWNER: GUANGZHOU ZHONGCHE RAILWAY VEHICLES EQUIPMENT JOINT-STOCK CO., LTD. Effective date: 20150112 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150112 Address after: 510285 No. 38, South Road, Haizhuqu District Industrial Road, Guangdong, Guangzhou Patentee after: GUANGZHOU ZHONGCHE RAILWAY VEHICLES AIR CONDITIONING CO.,LTD. Address before: 510285 No. 38, South Road, Haizhuqu District Industrial Road, Guangdong, Guangzhou Patentee before: GUANGZHOU ZHONGCHE RAILWAY VEHICLES EQUIPMENT JOINT-STOCK Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 510000 Guangdong, Guangzhou, Haizhuqu District, Jiangnan Road South, No. 713, No. two, building B201, wing hee centre. Patentee after: GUANGZHOU DINGHAN RAILWAY VEHICLES EQUIPMENT Co.,Ltd. Address before: 510285 No. 38 South Road, Haizhuqu District Industrial Avenue, Guangzhou, Guangdong. Patentee before: GUANGZHOU ZHONGCHE RAILWAY VEHICLES AIR CONDITIONING CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |
|
| CX01 | Expiry of patent term |