CN114604282A - Rail vehicle air conditioning system and rail vehicle - Google Patents
Rail vehicle air conditioning system and rail vehicle Download PDFInfo
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- CN114604282A CN114604282A CN202210374273.7A CN202210374273A CN114604282A CN 114604282 A CN114604282 A CN 114604282A CN 202210374273 A CN202210374273 A CN 202210374273A CN 114604282 A CN114604282 A CN 114604282A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 63
- 238000010438 heat treatment Methods 0.000 claims abstract description 77
- 238000005057 refrigeration Methods 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 9
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 13
- 238000009529 body temperature measurement Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 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
- 238000013459 approach Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 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
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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
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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 a traction device of the carriage and is connected with the reversing valve structure through a first pipeline assembly; when the rail vehicle air conditioning system is in the second heating mode, the second outdoor heat exchanger is communicated with the indoor heat exchanger and the reversing valve structure respectively, and the first outdoor heat exchanger is not communicated with the reversing valve structure and the indoor heat exchanger. The air conditioning system of the railway vehicle solves the problem that the energy consumption of an air conditioner is large when the railway vehicle in the prior art is at a low temperature.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a rail vehicle air conditioning system and a rail vehicle.
Background
The rail vehicle, especially some high-speed rails and motor cars, generally have a long operating range and can be applied to different regions, and the air-conditioning design on the rail vehicle mainly considers the use under the general situation, and the rail vehicle which often operates under extreme environments is individually specially designed, for example, if one rail vehicle is often used under a low temperature, the air-conditioning system can be provided with a plurality of compressors or compressors with better performance to ensure the temperature in the carriage during the design of the rail vehicle, however, the design mode needs to greatly increase the cost and is not beneficial to energy conservation and emission reduction, and if the air-conditioning system is not individually designed, the temperature in the carriage of the rail vehicle passing through a low temperature area can not be ensured, the comfort of passengers can be influenced, like the heat pump air-conditioning unit adopted on the current rail vehicle, because the heat pump air-conditioning unit is under a low temperature working condition, the heat exchange efficiency is low, the energy efficiency ratio begins to decrease generally below-5 ℃ of the external temperature, the energy efficiency ratio approaches 1 at-15 ℃, electric heating needs to be additionally arranged at the moment, and although the temperature difference can be supplemented to a certain extent, the energy consumption is high, and the energy is not beneficial to saving.
Disclosure of Invention
The invention mainly aims to provide a railway vehicle air conditioning system and a railway vehicle, and aims to solve the problem that the energy consumption of an air conditioner is high when the railway vehicle in the prior art is at a low temperature.
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 compartment of the rail vehicle, the rail vehicle air conditioning system including an indoor heat exchanger provided in the compartment and connected to a heat pump device, and the 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 assembly; the second outdoor heat exchanger is arranged at the traction equipment of the carriage and is connected with the reversing valve structure through the first pipeline assembly; 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, rail vehicle air conditioning system still includes: a temperature detection assembly disposed at an outer side and/or an inner side of the vehicle compartment to detect a 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 on the outer side of the carriage to detect the outer side temperature of the railway vehicle; the second temperature measuring part is arranged at the traction equipment of the carriage to detect the temperature at the traction equipment; the third temperature measuring part is arranged on the inner side of the carriage to detect the temperature in the carriage; when the temperature detected by the first temperature measuring part is lower than a first preset temperature, the temperature detected by the second temperature measuring part is higher than a second preset temperature, and the temperature detected by the third temperature measuring part is lower than a third preset temperature, the controller controls the second heating mode to operate.
Further, the first pipe assembly comprises: 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, a first heating switch is further arranged on the first heating pipeline, and the controller is in control connection with the first heating switch so as to control the first heating mode to operate by turning on or turning off the first heating switch; and the second heating pipeline is respectively connected with the heat exchange pipeline and the second outdoor heat exchanger, a second heating switch is further arranged on the second heating pipeline, and the controller is in control connection with the second heating switch so as to control the second heating mode to operate by turning on or off the second heating switch.
Further, rail vehicle air conditioning system still has the cooling mode, and first pipeline subassembly still includes: and the refrigeration pipeline is respectively connected with the heat exchange pipeline and the first outdoor heat exchanger, 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 of the refrigeration mode by turning on or off the refrigeration switch.
Further, the heat pump apparatus further includes: and the first connecting pipeline is respectively connected with the first outdoor heat exchanger and the indoor heat exchanger, a first switch valve is arranged on the first connecting pipeline, and the controller is in valve control connection with the first switch valve so as to open or close the first switch valve.
Further, the heat pump apparatus further includes: and the second connecting pipeline is respectively connected with the second outdoor heat exchanger and the indoor heat exchanger, a second switch valve is arranged on the second connecting pipeline, and the controller is in valve control connection with the second switch valve so as to open or close the second switch valve.
Further, the second outdoor heat exchanger is a plurality of second outdoor heat exchangers, wherein at least one second outdoor heat exchanger is arranged at a traction motor of the traction device, and/or at least one second outdoor heat exchanger is arranged at a transformer of the traction device, and/or at least one second outdoor heat exchanger is arranged at a converter of the traction device.
Furthermore, the number of the heat pump devices is multiple, and the multiple heat pump devices are respectively connected with the indoor heat exchanger.
According to another aspect of the invention, a rail vehicle is provided, which comprises a rail vehicle air conditioning system, wherein the rail vehicle air conditioning system is the rail vehicle air conditioning system.
The rail vehicle air conditioning system comprises an indoor heat exchanger and a heat pump device, wherein the indoor heat exchanger is arranged in the carriage and connected with the heat pump device, the rail vehicle air conditioning system has three temperature adjusting modes including a first heating mode, a second heating mode and a cooling mode which are all provided by the heat pump device, the heat pump device has 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 a pipeline, the first outdoor heat exchanger and the second outdoor heat exchanger are connected with one interface of the reversing valve structure, and the indoor heat exchanger is connected with the first outdoor heat exchanger and the second outdoor heat exchanger through pipeline structures respectively, so that a system formed by the whole heat pump device and the indoor heat exchanger is formed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic view of an embodiment of a rail vehicle air conditioning system according to the invention in a cooling mode;
FIG. 2 shows a schematic view of an embodiment of the 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 diagram of an embodiment of the rail vehicle air conditioning system according to the invention.
Wherein the figures include the following reference numerals:
10. an indoor heat exchanger; 20. a compressor; 30. a diverter 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 on-off valve; 72. a second connecting line; 721. a second on-off valve; 80. a condensing fan; 90. an exhaust fan.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The invention provides a railway vehicle air conditioning system and a railway vehicle, aiming at solving the problem that the energy consumption of an air conditioner is high when the railway vehicle in the prior art is at a low temperature.
Referring to fig. 1 to 4, a rail vehicle air conditioning system according to the present invention is provided on a rail vehicle to control a temperature in a compartment of the rail vehicle, and includes an indoor heat exchanger 10 and a heat pump device, the indoor heat exchanger 10 is provided in the compartment and connected to the heat pump device, the rail vehicle air conditioning system has three temperature adjustment modes including a first heating mode, a second heating mode and a cooling mode, which are 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 switching valve structure 30, a controller, a temperature detection assembly, and the like, which are connected by a signal control line or a pipeline structure, specifically, an air inlet end and an air outlet end of the compressor 20 are respectively connected to two interfaces of the switching valve structure 30 by connecting pipelines, the indoor heat exchanger 10 is connected to one interface of the switching valve structure 30 by a pipeline, the first outdoor heat exchanger 40 and the second outdoor heat exchanger 60 are connected to a port 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 a pipeline structure, respectively, so as to form a system formed by the whole heat pump apparatus and the indoor heat exchanger 10.
The connection relationship between the 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 compartment and connected to the direction switching valve structure 30 through a first pipe assembly 50; the second outdoor heat exchanger 60 is provided at a traction device of the vehicle compartment, and is connected to the reversing valve structure 30 through the first pipe assembly 50; when the rail vehicle air conditioning system is in the second heating mode, the second outdoor heat exchanger 60 is respectively communicated with the indoor heat exchanger 10 and the reversing valve structure 30, and the first outdoor heat exchanger 40 is not communicated with the reversing valve structure 30 and the indoor heat exchanger 10.
The rail vehicle air conditioning system further comprises a controller and a temperature detection assembly, wherein the temperature detection assembly is arranged at the outer side and/or the inner side of the carriage to detect the temperature; the controller is in control connection with the temperature detection assembly 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 on the outer side of the carriage to detect the outer side temperature of the railway vehicle; the second temperature measuring part is arranged at the traction equipment of the carriage to detect the temperature at the traction equipment; the third temperature measuring part is arranged on the inner side of the carriage to detect the temperature in the carriage; when the temperature detected by the first temperature measuring part is lower than a first preset temperature, the temperature detected by the second temperature measuring part is higher than a second preset temperature, and the temperature detected by the third temperature measuring part is lower than a 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 sets a temperature in advance, 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 a working state, 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, and 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 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 to control the second heating mode to operate by turning on or off the second heating switch 52.
The rail vehicle air conditioning system further has a refrigeration mode, 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 refrigeration mode to operate by turning on or off the refrigeration switch 53.
The heat pump device further comprises a first connecting pipeline 71, the first connecting pipeline 71 is respectively connected with the first outdoor heat exchanger 40 and the indoor heat exchanger 10, a first switch valve 711 is arranged on the first connecting pipeline 71, and the controller is in control connection with the first switch valve 711 to open or close the first switch valve 711.
The heat pump device further comprises a second connecting pipeline 72, the second connecting pipeline 72 is respectively connected with the second outdoor heat exchanger 60 and the indoor heat exchanger 10, wherein a second on-off valve 721 is arranged on the second connecting pipeline 72, and the controller is in control connection with the second on-off valve 721 to open or close the second on-off valve 721.
The second outdoor heat exchanger 60 is plural, wherein at least one second outdoor heat exchanger 60 is provided at a traction motor of the traction device, at least one second outdoor heat exchanger 60 is provided at a transformer of the traction device, and at least one second outdoor heat exchanger 60 is provided 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 are all solenoid valves, so as to be connected with 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 close to 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 that the air blown out by the indoor heat exchanger is conveyed into the carriage.
The operation conditions of the air conditioning system of the railway vehicle in the first heating mode, the second heating mode and the cooling mode are respectively described as follows by taking a first preset temperature of-5 degrees, a second preset temperature of 10 degrees and a third preset temperature of 5 degrees as examples:
when the temperature detected by the first temperature measuring part is between 0 and-5 degrees, the temperature detected by the second temperature measuring part is less than 10 degrees, and the third preset temperature is between 0 and 5 degrees, when the air conditioning system of the railway vehicle runs in the 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 compressor 20 compresses air to release heat, hot gas enters the reversing valve structure 30 through the pipeline structure and is transmitted to the indoor heat exchanger 10 through the pipeline between the reversing valve structure 30 and the indoor heat exchanger 10, the hot gas is blown into a compartment by the indoor heat exchanger 10, then the cooler gas after releasing heat is transmitted to the first outdoor heat exchanger 40 from the indoor heat exchanger 10 through the first connecting pipeline 71 and the first heating pipeline, is transmitted to the reversing valve structure 30 through the first outdoor heat exchanger 40, and is finally transmitted to the inlet of the compressor 20 through the reversing valve structure 30 and the pipeline structure, the gas flow path of the entire first heating mode is completed.
When the temperature detected by the first temperature measurement part is less than-5 degrees of the first preset temperature, the temperature detected by the second temperature measurement part is greater than 10 degrees of the second preset temperature, and the temperature detected by the third temperature measurement part is less than 5 degrees of the third preset temperature, the controller controls the second heating mode to operate, at the moment, 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, hot gas enters the reversing valve structure 30 through the pipeline structure, then is transmitted to the indoor heat exchanger 10 through the pipeline between the reversing valve structure 30 and the indoor heat exchanger 10, the hot gas is blown into the compartment by the indoor heat exchanger 10, then the cooler gas after releasing heat is transmitted into the second outdoor heat exchanger 60 from the indoor heat exchanger 10 through the second connecting pipeline 72, the second outdoor heat exchanger 60 sucks gas around the traction equipment, and the gas at the place has the residual temperature of the traction equipment, compared with the external temperature, the gas circulation path in the second heating mode is completed by transferring the gas to the reversing valve structure 30 after passing through the second outdoor heat exchanger 60, and finally transferring the gas to the gas inlet of the compressor 20 through the reversing valve structure 30 and the pipeline structure.
When the temperature detected by the third temperature measuring part is greater than 20 degrees, the controller controls the operation of the refrigeration mode, at the moment, 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 air outside the carriage and transmits the air to the indoor heat exchanger 10 from the first connecting pipeline 71 through heat exchange, the air blows cold air into the carriage after the heat exchange of the indoor heat exchanger 10, hot air is transmitted to the reversing valve structure 30 through the pipeline structure between the indoor heat exchanger 10 and the reversing valve, the hot air is transmitted to the compressor 20 from the pipeline between the reversing valve structure 30 and the compressor 20, the compressor 20 processes the air and transmits the processed air to the reversing valve structure 30, and the processed air is transmitted to the first outdoor heat exchanger 40 from the refrigeration pipeline through the heat exchange pipeline, and finally the refrigeration mode is completed.
In order to ensure that the air conditioning system of the railway vehicle can provide enough hot air or cold air for a carriage, a plurality of heat pump devices are arranged, the heat pump devices are respectively connected with the indoor heat exchanger 10, the heat pump devices can provide hot air or cold air for the indoor heat exchanger 10 at the same time, and can also 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 further provides a rail vehicle which comprises the rail vehicle air conditioning system.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
in order to reasonably utilize waste heat generated in the application process of a vehicle and improve the heat exchange efficiency of a heat pump air conditioner of the rail vehicle under a low-temperature working condition, thereby achieving the purpose of saving energy and reducing consumption of the whole vehicle, the invention designs the air conditioning system of the rail vehicle, the air conditioning system of the rail vehicle comprises a second outdoor heat exchanger 60 which is arranged at a traction device and used for collecting heat emitted by the traction device, a temperature detection component is used for detecting the external temperature of the vehicle and the state of the vehicle in real time, and a controller is used for controlling the air conditioning system of the rail vehicle to operate in a first heating mode, a second heating mode or a cooling mode according to the detection result of the temperature detection component, thereby achieving the effect of automatically controlling the whole air conditioning system.
The air conditioning system of the railway vehicle realizes the recycling of the heat energy of the vehicle by judging the multivariate information such as the environmental temperature of the vehicle, the state of the traction equipment, the air conditioning control mode and the like, and solves the problem of waste of the heat dissipation capacity of the traction equipment of the active train.
The air conditioning system of the railway vehicle realizes the heating performance of the heat pump air conditioner at low temperature by acquiring real-time data of the vehicle environment temperature, the train traction equipment state and the air conditioning control mode and cooperatively controlling the electromagnetic valve scheme, thereby greatly reducing the heating energy consumption of the air conditioner.
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 exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship 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 of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement 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 provided on a rail vehicle to control a temperature within a compartment 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 provided within the compartment and connected to 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), wherein the first outdoor heat exchanger (40) is arranged outside the compartment and is connected with the reversing valve structure (30) through a first pipeline assembly (50);
a second outdoor heat exchanger (60), the second outdoor heat exchanger (60) being provided at a traction device of the cabin and connected with the direction valve structure (30) through the first piping 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 in communication with the indoor heat exchanger (10) and the reversing valve structure (30) respectively and the second outdoor heat exchanger (60) is not in communication with 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 in communication with the indoor heat exchanger (10) and the reversing valve structure (30) respectively and the first outdoor heat exchanger (40) is not in communication with the reversing valve structure (30) and the indoor heat exchanger (10).
2. The rail vehicle air conditioning system of claim 1, further comprising:
a temperature detection assembly provided at an outer side and/or an inner side of the vehicle compartment to detect a temperature;
the controller is in control connection with the temperature detection assembly to open the first heating mode or the second heating mode according to the temperature detected by the temperature detection assembly.
3. The rail vehicle air conditioning system of claim 2, wherein the temperature detection assembly comprises:
the first temperature measuring part is arranged on the outer side of the carriage to detect the outer side temperature of the railway vehicle;
the second temperature measuring part is arranged at the traction equipment of the carriage to detect the temperature of the traction equipment;
the third temperature measuring part is arranged on the inner side of the carriage to detect the temperature in the carriage;
when the temperature detected by the first temperature measuring part is lower than a first preset temperature, the temperature detected by the second temperature measuring part is higher than a second preset temperature, and the temperature detected by the third temperature measuring part is lower than a third preset temperature, the controller controls to operate a second heating mode.
4. The rail vehicle air conditioning system of claim 2, wherein the first pipe assembly (50) comprises:
a heat exchange line in communication with the reversing valve arrangement (30);
the first heating pipeline is respectively connected with the heat exchange pipeline and the first outdoor heat exchanger (40), 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);
and the second heating pipeline is respectively connected with the heat exchange pipeline and the second outdoor heat exchanger (60), 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), a refrigeration switch (53) is arranged on the refrigeration pipeline, and the controller is in control connection with the refrigeration switch (53) to control the refrigeration mode to operate by opening or closing the refrigeration switch (53).
6. The rail vehicle air conditioning system of claim 2, wherein the heat pump device further comprises:
the first connecting pipeline (71) is respectively connected with the first outdoor heat exchanger (40) and the indoor heat exchanger (10), a first switch valve (711) is arranged on the first connecting pipeline (71), and the controller is in control connection with the first switch valve (711) to open or close the first switch valve (711).
7. The rail vehicle air conditioning system of claim 2, wherein the heat pump device further comprises:
and the second connecting pipeline (72) is respectively connected with the second outdoor heat exchanger (60) and the indoor heat exchanger (10), wherein 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) to open or close the second switch valve (721).
8. Rail vehicle air conditioning system of any one of claims 1 to 7, wherein the second outdoor heat exchanger (60) is plural, wherein,
at least one second outdoor heat exchanger (60) is arranged at a traction motor of the traction device, and/or
At least one second outdoor heat exchanger (60) is arranged at the transformer of the traction device, and/or
At least one of the second outdoor heat exchangers (60) is arranged at a converter of the traction apparatus.
9. Rail vehicle air conditioning system according to any one of claims 1 to 7, characterized in that the heat pump device is plural, and plural heat pump devices are respectively connected to the indoor heat exchangers (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 one 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 true CN114604282A (en) | 2022-06-10 |
| CN114604282B 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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| CN114604282B (en) | 2024-04-02 |
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