CN114604282B - Rail vehicle air conditioning system and rail vehicle - Google Patents
Rail vehicle air conditioning system and rail vehicle Download PDFInfo
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- CN114604282B CN114604282B CN202210374273.7A CN202210374273A CN114604282B CN 114604282 B CN114604282 B CN 114604282B CN 202210374273 A CN202210374273 A CN 202210374273A CN 114604282 B CN114604282 B CN 114604282B
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- temperature
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 68
- 238000010438 heat treatment Methods 0.000 claims abstract description 83
- 238000005057 refrigeration Methods 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 13
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 11
- 238000009529 body temperature measurement Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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 provides a rail vehicle air conditioning system and a rail vehicle, wherein the rail vehicle air conditioning system is arranged on the rail vehicle to control the temperature in a carriage of the rail vehicle, the rail vehicle air conditioning system comprises an indoor heat exchanger and a heat pump device, the indoor heat exchanger is arranged in the carriage and is connected with the heat pump device, the heat pump device comprises a first outdoor heat exchanger, a second outdoor heat exchanger, a compressor and a reversing valve structure, and the second outdoor heat exchanger is arranged at traction equipment of the carriage and is connected with the reversing valve structure through a first pipeline assembly; the rail vehicle air conditioning system is provided with a second heating mode, when the rail vehicle air conditioning system is in the second heating mode, the second outdoor heat exchanger is respectively communicated with the indoor heat exchanger and the reversing valve structure, and the first outdoor heat exchanger is not communicated with the reversing valve structure and the indoor heat exchanger. The air conditioning system for the railway vehicle solves the problem that the energy consumption of the air conditioner is high when the railway vehicle is at low temperature in the prior art.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to an air conditioning system of a rail vehicle and the rail vehicle.
Background
The air conditioning design on the rail vehicle mainly considers the use under the general condition, and the rail vehicle which is often operated under the extreme environment is singly specially designed, for example, if one rail vehicle is often used under the lower temperature, the rail vehicle is designed, the air conditioning system can be provided with a plurality of compressors or compressors with better performance to ensure the temperature in the carriage, however, the design mode needs to greatly increase the cost, is unfavorable for energy conservation and emission reduction, and the temperature in the carriage when the rail vehicle passes through the lower temperature area can not be ensured if the air conditioning system is not singly designed, so that the comfort of passengers can be influenced, like a heat pump air conditioning unit adopted on the current rail vehicle.
Disclosure of Invention
The invention mainly aims to provide an air conditioning system of a railway vehicle and the railway vehicle, which are used for solving the problem that the energy consumption of the air conditioner is large when the railway vehicle is at low temperature in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a rail vehicle air conditioning system provided on a rail vehicle to control a temperature in a cabin of the rail vehicle, the rail vehicle air conditioning system including an indoor heat exchanger provided in the cabin and connected to a heat pump device, wherein the heat pump device includes: the compressor is connected with the reversing valve structure and is connected with the indoor heat exchanger through the reversing valve structure; the first outdoor heat exchanger is arranged outside the carriage and is connected with the reversing valve structure through a first pipeline component; the second outdoor heat exchanger is arranged at traction equipment of the carriage and is connected with the reversing valve structure through the first pipeline component; the rail vehicle air conditioning system is provided with a first heating mode and a second heating mode, when the rail vehicle air conditioning system is in the first heating mode, the first outdoor heat exchanger is respectively communicated with the indoor heat exchanger and the reversing valve structure, the second outdoor heat exchanger is not communicated with the reversing valve structure and the indoor heat exchanger, and when the rail vehicle air conditioning system is in the second heating mode, the second outdoor heat exchanger is respectively communicated with the indoor heat exchanger and the reversing valve structure, and the first outdoor heat exchanger is not communicated with the reversing valve structure and the indoor heat exchanger.
Further, the rail vehicle air conditioning system further includes: the temperature detection assembly is arranged on the outer side and/or the inner side of the carriage so as to detect the temperature; and the controller is in control connection with the temperature detection assembly so as to open the first heating mode or the second heating mode according to the temperature detected by the temperature detection assembly.
Further, the temperature detection assembly includes: the first temperature measuring part is arranged at the outer side of the carriage so as to detect the outer side temperature of the railway vehicle; the second temperature measuring part is arranged at traction equipment of the carriage so as to detect the temperature at the traction equipment; the third temperature measuring part is arranged at the inner side of the carriage so as to detect the temperature in the carriage; when the temperature detected by the first temperature measuring part is smaller than the first preset temperature, the temperature detected by the second temperature measuring part is larger than the second preset temperature and the temperature detected by the third temperature measuring part is smaller than the third preset temperature, the controller controls the second heating mode to operate.
Further, the first piping component includes: the heat exchange pipeline is communicated with the reversing valve structure; the first heating pipeline is respectively connected with the heat exchange pipeline and the first outdoor heat exchanger, wherein the first heating pipeline is also provided with a first heating switch, and the controller is in control connection with the first heating switch so as to control the operation of the first heating mode by opening or closing the first heating switch; the second heating pipeline is connected with the heat exchange pipeline and the second outdoor heat exchanger respectively, wherein the second heating pipeline is also provided with a second heating switch, and the controller is in control connection with the second heating switch so as to control the operation of the second heating mode by opening or closing the second heating switch.
Further, the rail vehicle air conditioning system also has a cooling mode, and the first conduit assembly further includes: the refrigeration pipeline is respectively connected with the heat exchange pipeline and the first outdoor heat exchanger, wherein a refrigeration switch is arranged on the refrigeration pipeline, and the controller is in control connection with the refrigeration switch so as to control the operation refrigeration mode by opening or closing the refrigeration switch.
Further, the heat pump apparatus further includes: the first connecting pipeline is connected with the first outdoor heat exchanger and the indoor heat exchanger respectively, wherein the first connecting pipeline is provided with a first switch valve, and the controller is connected with the first switch valve in a control manner so as to open or close the first switch valve.
Further, the heat pump apparatus further includes: the second connecting pipeline is respectively connected with the second outdoor heat exchanger and the indoor heat exchanger, wherein the second connecting pipeline is provided with a second switch valve, and the controller is in control connection with the second switch valve so as to open or close the second switch valve.
Further, the plurality of second outdoor heat exchangers is provided, wherein at least one second outdoor heat exchanger is provided at a traction motor of the traction device, and/or at least one second outdoor heat exchanger is provided at a transformer of the traction device, and/or at least one second outdoor heat exchanger is provided at a converter of the traction device.
Further, a plurality of heat pump devices are provided, and the plurality of heat pump devices are respectively connected with the indoor heat exchanger.
According to another aspect of the invention, there is provided a rail vehicle comprising a rail vehicle air conditioning system, the rail vehicle air conditioning system being the rail vehicle air conditioning system described above.
The air conditioning system for the railway vehicle is arranged on the railway vehicle to control the temperature in a carriage of the railway vehicle, the air conditioning system for the railway vehicle comprises an indoor heat exchanger and a heat pump device, the indoor heat exchanger is arranged in the carriage and is connected with the heat pump device, the air conditioning system for the railway vehicle is provided with three temperature adjusting modes including a first heating mode, a second heating mode and a refrigerating mode, each heat pump device is provided with a structure comprising a first outdoor heat exchanger, a second outdoor heat exchanger, a compressor, a reversing valve structure, a controller, a temperature detection assembly and the like, the structures are connected through a signal control line or a pipeline structure, specifically, an air inlet end and an air outlet end of the compressor are respectively connected with two interfaces of the reversing valve structure through connecting pipelines, the indoor heat exchanger is connected with one interface of the reversing valve structure through the pipelines, and the indoor heat exchanger is respectively connected with the first outdoor heat exchanger and the second outdoor heat exchanger through the pipeline structure, and the whole heat pump system is formed by connecting the indoor heat exchanger with the first outdoor heat exchanger and the second outdoor heat exchanger through the pipeline structure.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 shows a schematic diagram of an embodiment of a rail vehicle air conditioning system according to the present invention in a cooling mode;
fig. 2 shows a schematic view of an embodiment of a rail vehicle air conditioning system of the present invention in a first heating mode;
fig. 3 shows a schematic view of an embodiment of the rail vehicle air conditioning system of the present invention in a second heating mode;
fig. 4 shows a control schematic of an embodiment of the air conditioning system of the rail vehicle of the present invention.
Wherein the above figures include the following reference numerals:
10. an indoor heat exchanger; 20. a compressor; 30. a reversing valve structure; 40. a first outdoor heat exchanger; 50. a first conduit assembly; 51. a first heating switch; 52. a second heating switch; 53. a refrigeration switch; 60. a second outdoor heat exchanger; 71. a first connecting line; 711. a first switching valve; 72. a second connecting pipeline; 721. a second switching valve; 80. a condensing fan; 90. and an exhaust fan.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
The invention provides an air conditioning system of a railway vehicle and the railway vehicle, which aim to solve the problem that the energy consumption of the air conditioner is large when the railway vehicle is at low temperature in the prior art.
Referring to fig. 1 to 4, an air conditioning system for a rail vehicle according to the present invention is provided on a rail vehicle to control a temperature in a cabin of the rail vehicle, the air conditioning system for a rail vehicle includes an indoor heat exchanger 10 and a heat pump device, the indoor heat exchanger 10 is provided in the cabin and connected to the heat pump device, the air conditioning system for a rail vehicle has three temperature adjusting modes including a first heating mode, a second heating mode and a cooling mode, each of which is provided by the heat pump device, the heat pump device has a structure including a first outdoor heat exchanger 40, a second outdoor heat exchanger 60, a compressor 20, a reversing valve structure 30, a controller, a temperature detecting unit, etc., the respective structures are connected through a signal control line or a pipe structure, specifically, an air inlet end and an air outlet end of the compressor 20 are connected to two interfaces of the reversing valve structure 30 through connection pipes, the indoor heat exchanger 10 is connected to one interface of the reversing valve structure 30 through pipes, the first outdoor heat exchanger 40 and the second outdoor heat exchanger 60 are commonly connected to one interface of the reversing valve structure 30, and the indoor heat exchanger 10 is further connected to the first outdoor heat exchanger 40 and the second outdoor heat exchanger 60 through the connection structures, respectively, thereby forming the whole heat exchanger system with the indoor heat exchanger 10.
The connection relationship between the above heat pump apparatus and the indoor heat exchanger 10 is further described below, specifically:
the compressor 20 is connected with the reversing valve structure 30 and is connected with the indoor heat exchanger 10 through the reversing valve structure 30; the first outdoor heat exchanger 40 is disposed outside the vehicle cabin and connected to the reversing valve structure 30 through the first pipe assembly 50; the second outdoor heat exchanger 60 is provided at the traction device of the vehicle cabin and is connected with the reversing valve structure 30 through the first pipe assembly 50; wherein the rail vehicle air conditioning system has a first heating mode and a second heating mode, when the rail vehicle air conditioning system is in the first heating mode, the first outdoor heat exchanger 40 is respectively in communication with the indoor heat exchanger 10 and the reversing valve structure 30 and the second outdoor heat exchanger 60 is not in communication with both the reversing valve structure 30 and the indoor heat exchanger 10, when the rail vehicle air conditioning system is in the second heating mode, the second outdoor heat exchanger 60 is respectively in communication with the indoor heat exchanger 10 and the reversing valve structure 30 and the first outdoor heat exchanger 40 is not in communication with both the reversing valve structure 30 and the indoor heat exchanger 10.
The air conditioning system of the railway vehicle further comprises a controller and a temperature detection assembly, wherein the temperature detection assembly is arranged on the outer side and/or the inner side of the carriage so as to detect the temperature; the controller is in control connection with the temperature detection assembly so as to open the first heating mode or the second heating mode according to the temperature detected by the temperature detection assembly.
The temperature detection assembly comprises a first temperature measurement part, a second temperature measurement part and a third temperature measurement part, wherein the first temperature measurement part is arranged at the outer side of the carriage so as to detect the outer side temperature of the railway vehicle; the second temperature measuring part is arranged at traction equipment of the carriage so as to detect the temperature at the traction equipment; the third temperature measuring part is arranged at the inner side of the carriage so as to detect the temperature in the carriage; when the temperature detected by the first temperature measuring part is smaller than the first preset temperature, the temperature detected by the second temperature measuring part is larger than the second preset temperature and the temperature detected by the third temperature measuring part is smaller than the third preset temperature, the controller controls the second heating mode to operate.
The controller can judge the working state of the traction equipment according to the temperature measured by the second temperature measuring part, specifically, the controller presets a temperature, when the temperature detected by the second temperature measuring part is lower than the preset temperature, the traction equipment is judged not to work, so that the rail vehicle is in a parking state, and when the temperature detected by the second temperature measuring part is higher than the preset temperature, the traction equipment is judged to be in work, and the rail vehicle is in a running state.
The first pipeline assembly 50 comprises a heat exchange pipeline, a first heating pipeline, a second heating pipeline and a refrigerating pipeline, wherein the heat exchange pipeline is communicated with the reversing valve structure 30;
the first heating pipeline is respectively connected with the heat exchange pipeline and the first outdoor heat exchanger 40, wherein the first heating pipeline is also provided with a first heating switch 51, and the controller is in control connection with the first heating switch 51 so as to control the operation of the first heating mode by opening or closing the first heating switch 51; the second heating pipeline is respectively connected with the heat exchange pipeline and the second outdoor heat exchanger 60, wherein the second heating pipeline is also provided with a second heating switch 52, and the controller is in control connection with the second heating switch 52 so as to control the operation of the second heating mode by opening or closing the second heating switch 52.
The air conditioning system of the rail vehicle further has a cooling mode, wherein the cooling pipeline is respectively connected with the heat exchange pipeline and the first outdoor heat exchanger 40, a cooling switch 53 is arranged on the cooling pipeline, and the controller is in control connection with the cooling switch 53 to control the operation cooling mode by opening or closing the cooling switch 53.
The heat pump apparatus further includes a first connection pipe 71, the first connection pipe 71 is connected to the first outdoor heat exchanger 40 and the indoor heat exchanger 10, respectively, wherein a first switching valve 711 is provided on the first connection pipe 71, and a controller is connected to the first switching valve 711 in a control manner to open or close the first switching valve 711.
The heat pump apparatus further includes a second connection pipe 72, the second connection pipe 72 is connected to the second outdoor heat exchanger 60 and the indoor heat exchanger 10, respectively, wherein a second switching valve 721 is disposed on the second connection pipe 72, and the controller is connected to the second switching valve 721 in a control manner to open or close the second switching valve 721.
The second outdoor heat exchanger 60 is a plurality, wherein at least one second outdoor heat exchanger 60 is arranged at a traction motor of the traction device, at least one second outdoor heat exchanger 60 is arranged at a transformer of the traction device, and at least one second outdoor heat exchanger 60 is arranged at a converter of the traction device.
The first switch valve 711, the second switch valve 721, the first heating switch 51, and the cooling switch 53 described above all employ solenoid valves so as to be connected to and controlled by a controller.
In addition, the heat pump device of the invention is also provided with a condensing fan 80 on the carriage near the compressor, the condensing fan 80 is used for cooling the compressor, and an exhaust fan 90 is also arranged at the indoor heat exchanger so as to convey the gas blown out by the indoor heat exchanger into the carriage.
Taking the first preset temperature as minus 5 degrees, the second preset temperature as 10 degrees and the third preset temperature as 5 degrees as an example, the running conditions of the air conditioning system of the railway vehicle in the first heating mode, the second heating mode and the refrigerating mode are respectively described as follows:
when the first temperature measuring part detects that the temperature is between 0 and-5 degrees, the second temperature measuring part detects that the temperature is less than 10 degrees, and the third preset temperature is between 0 and 5 degrees, the air conditioning system of the railway vehicle can operate in a first heating mode, at this time, the first switch valve 711 and the first heating switch 51 are opened, the second switch valve 721 and the refrigerating switch 53 are closed, the compressed air of the compressor 20 releases heat, hot air enters the reversing valve structure 30 through the pipeline structure, the hot air is conveyed to the indoor heat exchanger 10 through the pipeline between the reversing valve structure 30 and the indoor heat exchanger 10, the hot air is blown into the carriage through the indoor heat exchanger 10, then the colder air after releasing heat is conveyed into the first outdoor heat exchanger 40 through the first connecting pipeline 71 and the first heating pipeline, the air is conveyed to the reversing valve structure 30 through the first outdoor heat exchanger 40, and finally conveyed to the air inlet of the compressor 20 through the reversing valve structure 30 and the pipeline structure, and the whole first heating mode air circulation path is completed.
When the temperature detected by the first temperature measuring part is less than the first preset temperature-5 °, the temperature detected by the second temperature measuring part is greater than the second preset temperature by 10 ° and the temperature detected by the third temperature measuring part is less than the third preset temperature by 5 °, the controller controls the operation of the second heating mode, at this time, the first switch valve 711, the first heating switch 51 and the refrigerating switch 53 are all closed, the second switch valve 721 is opened, the compressor 20 compresses air to release heat, the hot air enters the reversing valve structure 30 through the pipeline structure and then is conveyed to the indoor heat exchanger 10 through the pipeline between the reversing valve structure 30 and the indoor heat exchanger 10, the hot air is blown into the carriage by the indoor heat exchanger 10 and then is conveyed to the second outdoor heat exchanger 60 through the second connecting pipeline 72, the second outdoor heat exchanger 60 sucks the gas around the traction equipment, the gas has the residual temperature of the traction equipment, and therefore, the gas can be conveyed to the reversing valve structure 30 through the second outdoor heat exchanger 60 and then to the reversing valve structure 30 through the pipeline structure, and finally the whole pipeline structure 20 is conveyed.
When the temperature detected by the third temperature measuring part is greater than 20 degrees, the controller controls the operation refrigeration mode, at this time, the first switch valve 711 and the refrigeration switch 53 are opened, the first heating switch 51 and the second switch valve 721 are both closed, the first outdoor heat exchanger 40 absorbs the gas outside the cabin and transfers the gas to the indoor heat exchanger 10 from the first connecting pipe 71 through heat exchange, the gas blows cold air into the cabin after exchanging heat in the indoor heat exchanger 10, the hot gas is transferred to the reversing valve structure 30 from the pipe structure between the indoor heat exchanger 10 and the reversing valve, the hot gas is transferred to the compressor 20 from the pipe structure between the reversing valve structure 30 and the compressor 20, the gas is transferred to the reversing valve structure 30 after being processed by the compressor 20, and the gas is transferred to the first outdoor heat exchanger 40 from the refrigeration pipe by the heat exchange pipe, and finally the refrigeration mode is completed.
In order to ensure that the air conditioning system of the railway vehicle can provide sufficient hot air or cool air for a carriage, a plurality of heat pump devices are respectively connected with the indoor heat exchanger 10, and the plurality of heat pump devices can simultaneously provide the hot air or cool air for the indoor heat exchanger 10 and can be respectively and independently connected with the indoor heat exchanger 10, so that the problem that the whole air conditioning system of the railway vehicle is paralyzed after one heat pump device is damaged can be avoided.
The reversing valve structure 30 of the present invention employs a four-way reversing valve.
The invention also provides a rail vehicle, which comprises the rail vehicle air conditioning system.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
in order to reasonably utilize waste heat generated in the operation process of a vehicle and improve the heat exchange efficiency of a heat pump air conditioner of the railway vehicle under a low-temperature working condition, so as to achieve the aim of energy conservation and consumption reduction of the whole vehicle, the invention designs an air conditioning system of the railway vehicle, which comprises a second outdoor heat exchanger 60 arranged at a traction device for collecting heat emitted by the traction device, a temperature detection assembly detects the external temperature of the vehicle and the state of the vehicle in real time, and a controller controls the air conditioning system of the railway vehicle to operate in a first heating mode, a second heating mode or a refrigerating mode according to the detection result of the temperature detection assembly, so that the automatic control effect of the whole air conditioning system is achieved.
The air conditioning system for the railway vehicle realizes recycling of the heat energy of the vehicle by judging the environment temperature of the vehicle, the state of traction equipment, the air conditioning control mode and other multiple information, and solves the problem of heat dissipation waste of the traction equipment of the active train.
According to the rail vehicle air conditioning system, through real-time data acquisition of the vehicle environment temperature, the train traction equipment state and the air conditioning control mode, the electromagnetic valve scheme is cooperatively controlled, so that the heating performance of the heat pump air conditioner at low temperature is realized, and the heating energy consumption of the air conditioner is greatly reduced.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A rail vehicle air conditioning system arranged on a rail vehicle for controlling a temperature in a cabin of the rail vehicle, characterized in that the rail vehicle air conditioning system comprises an indoor heat exchanger (10) and a heat pump device, the indoor heat exchanger (10) being arranged in the cabin and being connected with the heat pump device, wherein the heat pump device comprises:
a compressor (20) and a reversing valve structure (30), wherein the compressor (20) is connected with the reversing valve structure (30) and is connected with the indoor heat exchanger (10) through the reversing valve structure (30);
a first outdoor heat exchanger (40), the first outdoor heat exchanger (40) being disposed outside the cabin and connected to the reversing valve structure (30) through a first pipe assembly (50);
a second outdoor heat exchanger (60), the second outdoor heat exchanger (60) being disposed at a traction device of the vehicle cabin and being connected to the reversing valve structure (30) through the first pipe assembly (50), the second outdoor heat exchanger (60) absorbing a residual temperature gas with the traction device;
wherein, rail vehicle air conditioning system has first heating mode and second heating mode, when rail vehicle air conditioning system is in first heating mode, first outdoor heat exchanger (40) respectively with indoor heat exchanger (10) with switching-over valve structure (30) and second outdoor heat exchanger (60) with switching-over valve structure (30) with indoor heat exchanger (10) all do not communicate, when rail vehicle air conditioning system is in second heating mode, second outdoor heat exchanger (60) respectively with indoor heat exchanger (10) with switching-over valve structure (30) and first outdoor heat exchanger (40) with switching-over valve structure (30) with indoor heat exchanger (10) all do not communicate.
2. The rail vehicle air conditioning system of claim 1, further comprising:
a temperature detection assembly provided outside and/or inside the cabin to detect a temperature;
and the controller is in control connection with the temperature detection assembly, so that the first heating mode or the second heating mode is opened according to the temperature detected by the temperature detection assembly.
3. The rail vehicle air conditioning system of claim 2, wherein said temperature sensing assembly comprises:
the first temperature measuring part is arranged at the outer side of the carriage so as to detect the outer side temperature of the railway vehicle;
a second temperature measuring part provided at a traction apparatus of the vehicle compartment to detect a temperature at the traction apparatus;
a third temperature measuring part which is arranged at the inner side of the carriage to detect the temperature in the carriage;
when the temperature detected by the first temperature measuring part is smaller than a first preset temperature, the temperature detected by the second temperature measuring part is larger than a second preset temperature and the temperature detected by the third temperature measuring part is smaller than a third preset temperature, the controller controls the second heating mode to operate.
4. The rail vehicle air conditioning system of claim 2, wherein the first conduit assembly (50) comprises:
the heat exchange pipeline is communicated with the reversing valve structure (30);
the first heating pipeline is respectively connected with the heat exchange pipeline and the first outdoor heat exchanger (40), wherein a first heating switch (51) is further arranged on the first heating pipeline, and the controller is in control connection with the first heating switch (51) so as to control the first heating mode to operate by opening or closing the first heating switch (51);
the second heating pipeline is respectively connected with the heat exchange pipeline and the second outdoor heat exchanger (60), wherein a second heating switch (52) is further arranged on the second heating pipeline, and the controller is in control connection with the second heating switch (52) so as to control the second heating mode to operate by opening or closing the second heating switch (52).
5. The rail vehicle air conditioning system of claim 4, further having a cooling mode, the first conduit assembly (50) further comprising:
the refrigeration pipeline is respectively connected with the heat exchange pipeline and the first outdoor heat exchanger (40), wherein a refrigeration switch (53) is arranged on the refrigeration pipeline, and the controller is in control connection with the refrigeration switch (53) so as to control the operation of the refrigeration mode by opening or closing the refrigeration switch (53).
6. The rail vehicle air conditioning system of claim 2, wherein the heat pump apparatus further comprises:
the first connecting pipeline (71), first connecting pipeline (71) respectively with first outdoor heat exchanger (40) with indoor heat exchanger (10) are connected, wherein, be equipped with first ooff valve (711) on first connecting pipeline (71), the controller with first ooff valve (711) control is connected, in order to open or close first ooff valve (711).
7. The rail vehicle air conditioning system of claim 2, wherein the heat pump apparatus further comprises:
and a second connecting pipeline (72), wherein the second connecting pipeline (72) is respectively connected with the second outdoor heat exchanger (60) and the indoor heat exchanger (10), a second switch valve (721) is arranged on the second connecting pipeline (72), and the controller is in control connection with the second switch valve (721) so as to open or close the second switch valve (721).
8. The rail vehicle air conditioning system of any of claims 1 to 7, characterized in that the second outdoor heat exchanger (60) is a plurality, wherein,
at least one of the second outdoor heat exchangers (60) is arranged at a traction motor of the traction device, and/or
At least one of the second outdoor heat exchangers (60) is arranged at a transformer of the traction device, and/or
At least one second outdoor heat exchanger (60) is arranged at the converter of the traction device.
9. Rail vehicle air conditioning system according to any of the claims 1 to 7, characterized in that the heat pump means are a plurality of, a plurality of which are each connected to the indoor heat exchanger (10).
10. A rail vehicle comprising a rail vehicle air conditioning system, characterized in that the rail vehicle air conditioning system is a rail vehicle air conditioning system according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210374273.7A CN114604282B (en) | 2022-04-11 | 2022-04-11 | Rail vehicle air conditioning system and rail vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210374273.7A CN114604282B (en) | 2022-04-11 | 2022-04-11 | Rail vehicle air conditioning system and rail vehicle |
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| CN114604282A CN114604282A (en) | 2022-06-10 |
| CN114604282B true CN114604282B (en) | 2024-04-02 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104197432A (en) * | 2014-09-01 | 2014-12-10 | 广东志高暖通设备股份有限公司 | Multi-connection air conditioning system and refrigeration method |
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| CN111780254A (en) * | 2020-07-02 | 2020-10-16 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
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| CN104197432A (en) * | 2014-09-01 | 2014-12-10 | 广东志高暖通设备股份有限公司 | Multi-connection air conditioning system and refrigeration method |
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| CN108883781A (en) * | 2016-03-15 | 2018-11-23 | 奥地利西门子公司 | The rail vehicle of electrical operation with air-conditioning and/or heating equipment |
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| CN111452593A (en) * | 2020-04-24 | 2020-07-28 | 珠海格力电器股份有限公司 | Tractor air conditioning system, control method of tractor air conditioning system and tractor |
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| CN114604282A (en) | 2022-06-10 |
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