CN115158382A - Oxygen supply ventilation system and rail vehicle - Google Patents
Oxygen supply ventilation system and rail vehicle Download PDFInfo
- Publication number
- CN115158382A CN115158382A CN202210899808.2A CN202210899808A CN115158382A CN 115158382 A CN115158382 A CN 115158382A CN 202210899808 A CN202210899808 A CN 202210899808A CN 115158382 A CN115158382 A CN 115158382A
- Authority
- CN
- China
- Prior art keywords
- oxygen supply
- altitude
- rail vehicle
- ventilation system
- air conditioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 239000001301 oxygen Substances 0.000 title claims abstract description 116
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 116
- 238000009423 ventilation Methods 0.000 title claims abstract description 48
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 239000002699 waste material Substances 0.000 claims abstract description 25
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 14
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 9
- 239000001569 carbon dioxide Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 2
- 239000002918 waste heat Substances 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000004378 air conditioning Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0009—Means for controlling or equalizing air pressure shocks in trains, e.g. when passing or crossing in tunnels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/009—Means for ventilating only
Abstract
The invention provides an oxygen supply ventilation system and a rail vehicle. Wherein, oxygen suppliment ventilation system is including setting up respectively on rail vehicle: an air conditioner controller; a fresh air machine; an oxygen supply device; the air conditioner controller is respectively connected with the fresh air fan, the oxygen supply device and the waste discharge device, the fresh air fan, the oxygen supply device and the waste discharge device are respectively communicated with the outside of the railway vehicle, and the oxygen supply device is communicated with the waste discharge device; the detection assembly is connected with the air conditioner controller, the detection assembly at least comprises an altitude detector, and the air conditioner controller controls the opening and closing of the fresh air fan and the oxygen supply device through detection signals of the detection assembly. The invention solves the problem of poor service performance of the oxygen supply ventilation system of the rail vehicle in the prior art.
Description
Technical Field
The invention relates to the field of oxygen supply ventilation systems of rail vehicles, in particular to an oxygen supply ventilation system and a rail vehicle.
Background
The current vehicle scheme cannot meet the complex line environment of plateau lines such as Qinghai-Tibet and built-up Chuanghai-Tibet railways. As the railway with the highest altitude in the world, the railway passenger train, especially the high-speed motor train unit, which runs under the special condition has the following difficulties:
1. the oxygen supply problem under the plateau environment needs to be considered, higher oxygen partial pressure under the condition of rarefied air is ensured, oxygen-enriched air with higher concentration is provided, and the plateau reaction is avoided;
2. the high-speed motor train unit adopts an airtight vehicle body, and carbon dioxide in the vehicle must be discharged through a reasonable ventilation system, so that the situation that a human body is suffocated is avoided;
3. the high-speed motor train unit must be provided with an in-train pressure protection system to avoid that the in-train pressure change caused by the fluctuation of the off-train external pressure in complex environments such as altitude change, tunnel entrance and exit and the like influences the health of passengers, and the traditional pressure protection mode needs to close the fresh air of a train and cut off the fresh air supply and the waste gas discharge at a waste discharge port, so that the protection system and the 2 nd motor train unit cannot be considered.
Therefore, the oxygen supply ventilation system of the rail vehicle has the problem of poor service performance in the prior art.
Disclosure of Invention
The invention mainly aims to provide an oxygen supply ventilation system and a railway vehicle, and aims to solve the problem that the oxygen supply ventilation system of the railway vehicle in the prior art is poor in service performance.
In order to accomplish the above object, according to one aspect of the present invention, there is provided an oxygen supply ventilation system including: an air conditioner controller; a fresh air machine; an oxygen supply device; the air conditioner controller is respectively connected with the fresh air fan, the oxygen supply device and the waste discharge device, the fresh air fan, the oxygen supply device and the waste discharge device are respectively communicated with the outside of the railway vehicle, and the oxygen supply device is communicated with the waste discharge device; the detection assembly is connected with the air conditioner controller, the detection assembly at least comprises an altitude detector, and the air conditioner controller controls the opening and closing of the fresh air fan and the oxygen supply device through detection signals of the detection assembly.
Further, when the altitude detector detects that the rail vehicle is below a first preset altitude, the air conditioner controller controls the oxygen supply device to be turned off; when the altitude detector detects that the position of the rail vehicle exceeds a first preset altitude, the air conditioner controller controls the oxygen supply device to be turned on.
Further, when the altitude detector detects that the railway vehicle is below a first preset altitude, the air conditioner controller controls the fresh air machine to be started, and the ventilation volume of the fresh air machine is larger than or equal to 15m for each person 3 Each person is 25m or less 3 /h。
Further, when the altitude detector detects that the position of the railway vehicle exceeds a first preset altitude, the air conditioner controller controls the fresh air fan to be started, and the ventilation volume of the fresh air fan is more than or equal to 5m per person 3 H is less than 15m per person 3 /h。
Further, when the altitude detector detects that the position of the rail vehicle exceeds a second preset altitude, the air conditioner controller controls the fresh air machine to be turned off, and the first preset altitude is smaller than the second preset altitude.
Further, when the altitude detector detects that the position of the rail vehicle exceeds a second preset altitude, the ratio of air outside the rail vehicle to air inside the rail vehicle in the gas extracted by the oxygen supply device for preparing oxygen is the same, and the first preset altitude is smaller than the second preset altitude.
Further, the first preset altitude is greater than or equal to 2300m and less than or equal to 2700m; and/or the second preset altitude is greater than or equal to 3300m and less than or equal to 3700m.
Furthermore, the detection assembly further comprises a gas concentration detector, the detection assembly detects the concentration of oxygen and carbon dioxide in the railway vehicle through the gas concentration detector, and the detection assembly controls the fresh air fan and the oxygen supply device to be turned on and off according to gas concentration information sent by the detection assembly.
Further, the fresh air machine and the waste discharge device are respectively provided with a regulating valve, and the air conditioner controller can control the opening degree of the regulating valve.
According to another aspect of the invention, a rail vehicle is provided comprising the oxygen supply ventilation system described above.
By applying the technical scheme of the invention, the oxygen supply and ventilation system comprises an air conditioner controller, a fresh air fan, an oxygen supply device, a waste discharge device and a detection assembly which are respectively arranged on a railway vehicle. The air conditioner controller is respectively connected with the fresh air fan, the oxygen supply device and the waste discharge device, the fresh air fan, the oxygen supply device and the waste discharge device are respectively communicated with the outside of the railway vehicle, and the oxygen supply device is communicated with the waste discharge device; the detection assembly is connected with the air conditioner controller, the detection assembly at least comprises an altitude detector, and the air conditioner controller controls the opening and closing of the fresh air machine and the oxygen supply device through detection signals of the detection assembly.
When using the oxygen suppliment ventilation system in this application, because air conditioner controller is connected in new fan and oxygen suppliment device respectively, so can be through opening and closing of new fan of air conditioner controller control and oxygen suppliment device, perhaps control the aperture of new fan and oxygen suppliment device to guarantee the inside air circumstance of rail vehicle and the inside pressure of rail vehicle through air conditioner controller to the control of new fan and oxygen suppliment device. And because the oxygen supply device is communicated with the waste discharge device, waste gas generated by the oxygen supply device due to oxygen production can be discharged out of the railway vehicle through the waste discharge device, so that the air environment in the railway vehicle is ensured. Because the ventilation system of oxygen suppliment still has determine module again, so can detect rail vehicle's state through determine module to air conditioner controller can be after receiving determine module's signal, control new fan and oxygen suppliment device, and then air conditioner controller can change new fan and oxygen suppliment device's aperture or open the state through the different signals that determine module detected, with the air pressure of realizing different oxygen suppliments and ventilation tactics and guaranteeing rail vehicle inside. Consequently, the poor problem of rail vehicle's oxygen suppliment ventilation system performance among the prior art has been solved effectively to the oxygen suppliment ventilation system in this application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiment(s) 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 oxygen supply ventilation system according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. an air conditioner controller; 20. a fresh air machine; 30. an oxygen supply device; 40. a waste discharge device; 50. and a detection component.
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 embodiments with reference to the attached drawings.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.
In order to solve the poor problem of rail vehicle's oxygen suppliment ventilation system performance among the prior art, this application provides an oxygen suppliment ventilation system and rail vehicle.
As shown in fig. 1, the oxygen supply ventilation system of the present application includes an air conditioner controller 10, a fresh air blower 20, an oxygen supply device 30, a waste discharge device 40 and a detection assembly 50, which are respectively disposed on a rail vehicle. The air conditioner controller 10 is respectively connected with the fresh air fan 20, the oxygen supply device 30 and the waste discharge device 40, the fresh air fan 20, the oxygen supply device 30 and the waste discharge device 40 are respectively communicated with the outside of the rail vehicle, and the oxygen supply device 30 is communicated with the waste discharge device 40; the detecting component 50 is connected with the air conditioner controller 10, the detecting component 50 at least comprises an altitude detector, and the air conditioner controller 10 controls the fresh air blower 20 and the oxygen supply device 30 to be turned on and off through a detection signal of the detecting component 50.
When the oxygen supply ventilation system in the application is used, because the air conditioner controller 10 is respectively connected with the oxygen supply device 30 through the fresh air fan 20, the oxygen supply device 30 can be controlled to be opened or closed through the air conditioner controller 10, or the opening degree of the fresh air fan 20 and the opening degree of the oxygen supply device 30 can be controlled, so that the air environment inside the rail vehicle and the pressure inside the rail vehicle can be ensured through the control of the air conditioner controller 10 on the fresh air fan 20 and the oxygen supply device 30. Since the oxygen supply device 30 is communicated with the waste discharge device 40, the exhaust gas generated by the oxygen supply device 30 due to the production of oxygen can be discharged outside the rail vehicle through the waste discharge device 40 to ensure the air environment inside the rail vehicle. Since the oxygen supply ventilation system further comprises the detection component 50, the state of the rail vehicle can be detected through the detection component 50, so that the air conditioner controller 10 can control the fresh air fan 20 and the oxygen supply device 30 after receiving the signal of the detection component 50, and further the air conditioner controller 10 can change the opening or opening state of the fresh air fan 20 and the oxygen supply device 30 through different signals detected by the detection component 50, so as to realize different oxygen supply and ventilation strategies and ensure the air pressure inside the rail vehicle. Therefore, the problem that oxygen suppliment ventilation system performance is poor among the prior art rail vehicle has been solved effectively to oxygen suppliment ventilation system in this application.
It should be noted that, in the present application, since the detection component 50 has an altitude detector, the detection component 50 can detect the altitude where the rail vehicle is currently located, and send a detected altitude signal to the air-conditioning controller 10, so that the air-conditioning controller 10 can control the fresh air fan 20 and the oxygen supply device 30 according to the altitude where the rail vehicle is located. Moreover, it should be further noted that the detection component 50 in the present application further includes a rail vehicle network background. In addition, in the present application, the altitude detector may first send the detected signal to the vehicle network background, and control the air conditioner controller 10 through the vehicle network background.
In one embodiment of the present application, when the altitude detector detects that the rail vehicle is below a first preset altitude, the air conditioner controller 10 controls the oxygen supply device 30 to be turned off; when the altitude detector detects that the position of the rail vehicle exceeds a first preset altitude, the air conditioner controller 10 controls the oxygen supply device 30 to be turned on. And, when the altitude detector detects that the rail vehicle is below a first preset altitude, the air conditioner controller 10 controls the fresh air fan 20 to be turned on, and the fresh air fan 20The ventilation volume is more than or equal to 15m for each person 3 Each person is 25m or less 3 H is used as the reference value. Preferably 20m per person 3 And h, simultaneously realizing pressurization of 1kPa-2 kPa. When the altitude detector detects that the position of the rail vehicle exceeds a first preset altitude, the air-conditioning controller 10 controls the fresh air fan 20 to be started, and the ventilation volume of the fresh air fan 20 is more than or equal to 5m for each person 3 H is less than 15m per person 3 /h。
It should be noted that, in the present application, the number of persons inside the rail vehicle can be counted by the ticketing system, so as to perform analysis and control.
Specifically, the air conditioner controller 10 controls the fresh air machine 20 to be turned off when the altitude detector detects that the position of the rail vehicle exceeds a second preset altitude, which is less than the first preset altitude. When the altitude detector detects that the position of the rail vehicle exceeds a second preset altitude, the ratio of air outside the rail vehicle to air inside the rail vehicle in the gas extracted by the oxygen supply device 30 for preparing oxygen is the same, and the first preset altitude is smaller than the second preset altitude.
It should be noted that in the above embodiment, the first preset altitude is greater than or equal to 2300m and less than or equal to 2700m; and the second preset altitude is 3300m or more and 3700m or less.
Preferably, the first altitude is 2500m and the second preset altitude is 3500m.
It should be noted that, when the altitude of the rail vehicle exceeds the first preset altitude and is lower than the second preset altitude, the oxygen supply device 30 sucks air from the outside of the rail vehicle and sends the generated oxygen-enriched air to the air-conditioning air duct to increase the oxygen content in the rail vehicle to 23% and simultaneously discharges the generated carbon dioxide and nitrogen out of the rail vehicle through the waste discharge device 40.
Optionally, the detecting assembly 50 further includes a gas concentration detector, the detecting assembly 50 detects the oxygen and carbon dioxide concentrations inside the rail vehicle through the gas concentration detector, and the detecting assembly 50 controls the fresh air blower 20 and the oxygen supply device 30 to be turned on and off according to the gas concentration information sent by the detecting assembly 50. That is to say, detect assembly 50 can monitor the concentration of the inside oxygen of rail vehicle and carbon dioxide through gas concentration detector in this application to control new fan 20 and oxygen suppliment device 30 through air conditioner controller 10, so as to guarantee that the inside oxygen concentration of rail vehicle is no more than 23%, and the concentration of carbon dioxide is no more than 0.25%, thereby avoids personnel in the car to appear oxygen or carbon dioxide poisoning.
Alternatively, the fresh air fan 20 and the waste heat discharging device 40 have regulating valves, respectively, and the air conditioner controller 10 can control the opening degrees of the regulating valves.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
1. the problem that the oxygen supply ventilation system of the rail vehicle in the prior art is poor in service performance is effectively solved;
2. can avoid oxygen or carbon dioxide poisoning of people in the vehicle.
It is to be understood that the above-described embodiments are only a few, and not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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 is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or described herein.
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. An oxygen supply ventilation system, characterized by, including setting up respectively on rail vehicle:
an air conditioner controller (10);
a fresh air machine (20);
an oxygen supply device (30);
the air conditioner controller (10) is respectively connected with the fresh air fan (20), the oxygen supply device (30) and the waste discharge device (40), the fresh air fan (20), the oxygen supply device (30) and the waste discharge device (40) are respectively communicated with the outside of the railway vehicle, and the oxygen supply device (30) is communicated with the waste discharge device (40);
the air conditioner comprises a detection assembly (50), wherein the detection assembly (50) is connected with the air conditioner controller (10), the detection assembly (50) at least comprises an altitude detector, and the air conditioner controller (10) controls the fresh air fan (20) and the oxygen supply device (30) to be started and closed through detection signals of the detection assembly (50).
2. The oxygen supply ventilation system of claim 1,
when the altitude detector detects that the rail vehicle is below a first preset altitude, the air conditioner controller (10) controls the oxygen supply device (30) to be turned off;
when the altitude detector detects that the position of the rail vehicle exceeds a first preset altitude, the air conditioner controller (10) controls the oxygen supply device (30) to be turned on.
3. The oxygen supply ventilation system of claim 1, wherein the oxygen supply ventilation system is configured to supply oxygen to the oxygen supply ventilation system when the oxygen supply ventilation system is in operationWhen the altitude detector detects that the rail vehicle is below a first preset altitude, the air conditioner controller (10) controls the fresh air fan (20) to be opened, and the ventilation volume of the fresh air fan (20) is more than or equal to 15m per person 3 H is less than or equal to 25m per person 3 /h。
4. The oxygen supply ventilation system according to claim 2, wherein the air conditioner controller (10) controls the fresh air machine (20) to be turned on when the altitude detector detects that the position of the rail vehicle exceeds a first preset altitude, and the ventilation amount of the fresh air machine (20) is 5m or more per person 3 H is less than 15m per person 3 /h。
5. The oxygen supply ventilation system according to claim 4, wherein the air conditioner controller (10) controls the fresh air machine (20) to be turned off when the altitude detector detects that the position of the rail vehicle exceeds a second preset altitude, the first preset altitude being less than the second preset altitude.
6. The oxygen supply ventilation system according to claim 2, wherein when the altitude detector detects that the location of the rail vehicle exceeds a second predetermined altitude, the ratio of the air outside the rail vehicle to the air inside the rail vehicle in the gas extracted by the oxygen supply device (30) for generating oxygen is the same, and the first predetermined altitude is smaller than the second predetermined altitude.
7. The oxygen supply ventilation system of claim 5 or 6,
the first preset altitude is greater than or equal to 2300m and less than or equal to 2700m; and/or
The second preset altitude is greater than or equal to 3300m and less than or equal to 3700m.
8. The oxygen supply ventilation system according to any one of claims 1 to 6, wherein the detection assembly (50) further comprises a gas concentration detector, the detection assembly (50) detects the oxygen and carbon dioxide concentrations in the interior of the rail vehicle through the gas concentration detector, and the detection assembly (50) controls the fresh air blower (20) and the oxygen supply device (30) to be turned on and off according to the gas concentration information sent by the detection assembly (50).
9. The oxygen supply ventilation system according to any one of claims 1 to 6, wherein the fresh air blower (20) and the waste heat discharging device (40) have a regulating valve, respectively, and the air conditioner controller (10) is capable of controlling the opening degree of the regulating valve.
10. A rail vehicle comprising an oxygen supply and ventilation system as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210899808.2A CN115158382A (en) | 2022-07-28 | 2022-07-28 | Oxygen supply ventilation system and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210899808.2A CN115158382A (en) | 2022-07-28 | 2022-07-28 | Oxygen supply ventilation system and rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115158382A true CN115158382A (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210899808.2A Pending CN115158382A (en) | 2022-07-28 | 2022-07-28 | Oxygen supply ventilation system and rail vehicle |
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| Country | Link |
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| CN (1) | CN115158382A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0432669A2 (en) * | 1989-12-09 | 1991-06-19 | Industrieanlagen-Betriebsgesellschaft M.B.H. | Method and device for monitoring the air pressure in railway carriages |
| WO2016091046A1 (en) * | 2014-12-09 | 2016-06-16 | 中车青岛四方机车车辆股份有限公司 | Wind-proof and sand-proof high speed railway vehicle |
| CN109305184A (en) * | 2018-12-28 | 2019-02-05 | 新誉轨道交通科技有限公司 | A kind of method for regulating temperature, system and the readable storage medium storing program for executing of rail traffic air-conditioning |
| CN214396751U (en) * | 2021-02-08 | 2021-10-15 | 中车青岛四方机车车辆股份有限公司 | Oxygen generation system for plateau railway passenger car |
| CN114750567A (en) * | 2022-05-10 | 2022-07-15 | 中国电子科技集团公司第十五研究所 | Control system for environmental quality parameters in preset space |
-
2022
- 2022-07-28 CN CN202210899808.2A patent/CN115158382A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0432669A2 (en) * | 1989-12-09 | 1991-06-19 | Industrieanlagen-Betriebsgesellschaft M.B.H. | Method and device for monitoring the air pressure in railway carriages |
| WO2016091046A1 (en) * | 2014-12-09 | 2016-06-16 | 中车青岛四方机车车辆股份有限公司 | Wind-proof and sand-proof high speed railway vehicle |
| CN109305184A (en) * | 2018-12-28 | 2019-02-05 | 新誉轨道交通科技有限公司 | A kind of method for regulating temperature, system and the readable storage medium storing program for executing of rail traffic air-conditioning |
| CN214396751U (en) * | 2021-02-08 | 2021-10-15 | 中车青岛四方机车车辆股份有限公司 | Oxygen generation system for plateau railway passenger car |
| CN114750567A (en) * | 2022-05-10 | 2022-07-15 | 中国电子科技集团公司第十五研究所 | Control system for environmental quality parameters in preset space |
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