CN113002576A - Vehicle-mounted air conditioner for train - Google Patents
Vehicle-mounted air conditioner for train Download PDFInfo
- Publication number
- CN113002576A CN113002576A CN202110098962.5A CN202110098962A CN113002576A CN 113002576 A CN113002576 A CN 113002576A CN 202110098962 A CN202110098962 A CN 202110098962A CN 113002576 A CN113002576 A CN 113002576A
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- valve
- air conditioner
- air
- fresh air
- train
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- 239000002699 waste material Substances 0.000 claims abstract description 40
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 239000007769 metal material Substances 0.000 claims description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 8
- 239000004917 carbon fiber Substances 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000003507 refrigerant Substances 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 6
- 230000003137 locomotive effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 9
- 239000011257 shell material Substances 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000009423 ventilation Methods 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The application discloses on-vehicle air conditioner for train includes: a housing; the refrigerating and heating unit comprises a variable frequency blower, a variable frequency compressor, a fresh air port, a fresh air valve and a fresh air pressure wave valve; the electric control unit comprises a frequency conversion blower frequency converter, a compressor frequency converter and a contactor; the active waste discharge unit comprises a waste exhaust fan, a waste exhaust valve and a waste exhaust pressure wave valve; the waste exhaust valve is linked with the fresh air valve, and the waste exhaust valve is started under the condition of starting the fresh air valve; the fresh air pressure wave valve and the waste discharge pressure wave valve are closed at the same time. According to the embodiment of the application, the position structures of the unit modules and the linkage relation of the different air valves are optimized, so that the beneficial effects of energy conservation, environmental protection and vehicle body space saving are achieved while active waste discharge is realized.
Description
Technical Field
The application relates to the technical field of air conditioners, in particular to a vehicle-mounted air conditioner for a train.
Background
The waste discharge device of the train in the prior art can be divided into a passive waste discharge device and an active waste discharge device, but the passive waste discharge device and the active waste discharge device are generally arranged independently. Although there are also some waste devices that are functionally integrated with the on-board air conditioner. But there is a great room for improvement in structural optimization and functional linkage after the waste discharge device is integrated with the vehicle-mounted air conditioner.
Disclosure of Invention
Objects of the invention
The technical problem that this application will be solved provides a vehicle air conditioner for train, has realized energy-conservation, environmental protection and saving automobile body space beneficial effect through optimizing the position structure of each unit module in the vehicle air conditioner and the linkage relation of different blast gates.
(II) technical scheme
In order to solve the above-mentioned problems, a first aspect of an embodiment of the present application provides an on-board air conditioner for a train, including:
a housing;
the refrigerating and heating unit comprises a variable-frequency blower, a variable-frequency compressor, a fresh air port, a fresh air valve and a fresh air pressure wave valve, wherein the fresh air valve controls fresh air volume sucked by the variable-frequency blower by controlling the size of the fresh air port, and the fresh air pressure wave valve controls air pressure in the train compartment by controlling the opening and closing of the fresh air port;
the electric control unit comprises a frequency conversion blower frequency converter, a compressor frequency converter and a contactor, wherein the frequency conversion blower frequency converter is used for controlling the frequency conversion blower, the compressor frequency converter is used for controlling the frequency conversion compressor, and the contactor is used for realizing the control connection between the electric control unit and the refrigerating and heating unit;
the active exhaust unit comprises an exhaust fan, an exhaust valve and an exhaust pressure wave valve, wherein the exhaust valve is arranged at an air outlet of the exhaust fan and used for controlling the exhaust of the exhaust fan, and the exhaust pressure wave valve is arranged at an air inlet of the exhaust fan and used for adjusting the air pressure in the locomotive carriage by controlling the air inlet amount;
the waste exhaust valve is linked with the fresh air valve, and the waste exhaust valve is started under the condition of starting the fresh air valve; the fresh air pressure wave valve and the waste discharge pressure wave valve are closed at the same time.
In some embodiments, the mounting structure of the vehicle-mounted air conditioner on the train comprises a top-mounted type and an embedded type, wherein the top-mounted type air return structure comprises an end-sending end return, an end-sending bottom return, an end-returning bottom sending and a bottom-sending bottom return; the embedded air returning structure comprises a bottom air returning structure, a bottom air returning structure and an end air returning structure.
In some embodiments, an air conditioning controller of the on-board air conditioner is disposed in a car of the train and remotely connected to the electrical control unit through a communication link.
In some embodiments, a programmable single chip microcomputer module is built in the air conditioner controller, and the air conditioner controller controls the electric control unit in a software program control mode through the communication link.
In some embodiments, the air conditioner controller is in communication connection with the electrical control unit through an upper computer, and the instruction function of the air conditioner controller is determined by the upper computer in a software program control mode.
In some embodiments, the electric control unit further includes a filter and an emergency inverter, the filter is disposed at the power input end of the frequency conversion blower frequency converter and the compressor frequency converter, and the emergency inverter is connected to the storage battery on the train and the frequency conversion blower and is used for emergently inverting the storage battery to ensure the normal operation of the frequency conversion blower when the train loses power.
In some embodiments, the vehicle air conditioning refrigerant is a CO2 refrigerant.
In some embodiments, CO2 sensors are provided in both the refrigeration and heating unit and the train car to monitor CO in the refrigeration and heating unit and the train car2And (4) concentration.
In some embodiments, the shell is formed by combining a sheet metal material and a carbon fiber composite material, the sheet metal material is arranged at a combining part of the shell and the carriage, and the carbon fiber composite material is connected with the sheet metal material in a bonding or riveting mode.
A second aspect of the embodiments of the present application provides a train, which employs the vehicle-mounted air conditioner of any one of the above first aspects.
(III) advantageous effects
According to the embodiment of the application, the position structures of the unit modules and the linkage relation of the different air valves are optimized, so that the beneficial effects of energy conservation, environmental protection and vehicle body space saving are achieved while active waste discharge is realized.
Drawings
Fig. 1 is a schematic structural diagram of a vehicle-mounted air conditioner according to an embodiment of the present application.
Reference numerals:
100: a housing;
110: cooling/heating unit, 111: variable frequency blower, 112: inverter compressor, 113: fresh air port, 114: fresh air valve, 115: fresh air pressure wave valve, 116: air supply temperature sensor, 117: temperature and humidity sensor, 118: CO22Sensor, 119: a fresh air sensor;
120: electrical control unit, 121: frequency conversion forced draught blower converter, 122: compressor inverter, 123: contactor, 124: filter, 125: an emergency inverter;
130: active waste discharge unit, 131: exhaust fan, 132: waste exhaust valve, 133: waste discharge pressure wave valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to the accompanying drawings in combination with the detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present application. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present application.
In the drawings, a schematic diagram of a layer structure according to an embodiment of the application is shown. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity. The shapes of various regions, layers, and relative sizes and positional relationships therebetween shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, as actually required.
It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. 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 application.
In addition, the technical features mentioned in the different embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.
The present application will be described in more detail below with reference to the accompanying drawings. In the drawings, like elements are represented by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily to scale.
Numerous specific details of the present application, such as structure, materials, dimensions, processing techniques and techniques of the devices are described below in order to provide a more thorough understanding of the present application. However, as will be understood by those skilled in the art, the present application may be practiced without these specific details. Unless otherwise specifically noted below, various portions of the semiconductor device may be composed of materials well known to those skilled in the art.
Fig. 1 is a schematic structural diagram of a vehicle-mounted air conditioner according to an embodiment of the present application.
As shown in fig. 1, a first aspect of an embodiment of the present application provides a vehicle air conditioner for a train, including:
a housing 100;
the refrigerating and heating unit 110 comprises a variable frequency blower 111, a variable frequency compressor 112, a fresh air port 113, a fresh air valve 114 and a fresh air pressure wave valve 115, wherein the fresh air valve 114 controls fresh air volume sucked by the variable frequency blower 111 by controlling the size of the fresh air port 113, and the fresh air pressure wave valve 115 controls air pressure in the train compartment by controlling the opening and closing of the fresh air port 113;
the electric control unit 120 comprises an inverter blower frequency converter 121, a compressor frequency converter 122 and a contactor 123, wherein the inverter blower frequency converter 121 is used for controlling the inverter blower 111, the compressor frequency converter 122 is used for controlling the inverter compressor 112, and the contactor 123 is used for realizing the control connection between the electric control unit 120 and the cooling and heating unit 110;
the active exhaust unit 130 comprises an exhaust fan 131, an exhaust valve 132 and an exhaust pressure wave valve 133, wherein the exhaust valve 132 is arranged at an air outlet of the exhaust fan 131 and used for controlling the exhaust of the exhaust fan 131, and the exhaust pressure wave valve 133 is arranged at an air inlet of the exhaust fan 131 and used for adjusting the air pressure in the locomotive compartment by controlling the air inlet amount;
the waste air exhaust valve 132 is linked with the fresh air valve 114, and the start of the waste air exhaust valve 132 is conditioned by the start of the fresh air valve 114; the fresh air pressure wave valve 115 and the waste pressure wave valve 133 are closed at the same time.
The waste air exhaust valve 132 is an air valve for actively exhausting dirty air in the train to the outside of the train, and the fresh air valve 113 is an air valve for introducing fresh air outside the train to the inside of the train. The waste exhaust valve is linked with the fresh air valve, the start of the waste exhaust valve takes the start of the fresh air valve as a start condition, namely the waste exhaust valve can be started only after the fresh air valve is started, and the start comprises at least two conditions, namely, after the fresh air valve is started, the waste exhaust valve is started; and after the fresh air valve is started, the exhaust valve is not started temporarily. But the fresh air valve must be started as long as the waste air exhaust valve is started. Or, through the linkage connection relation, the waste exhaust valve can be started after the fresh air valve is started.
Wherein the fresh air pressure wave valve 115 and the waste discharge pressure wave valve 133 are closed at the same time, namely, the fresh air pressure wave valve and the waste discharge pressure wave valve are simultaneously started and closed through linkage relation.
Wherein the inverter blower 111 and the inverter compressor 112 in the cooling and heating unit 110 are electrically connected to and controlled by a blower inverter 121 and a compressor inverter 122 in the electric control unit 120, respectively. The fresh air valve 114 and the fresh air pressure wave valve 115 in the cooling and heating unit 110, and the exhaust fan 131, the exhaust valve 132 and the exhaust pressure wave valve 133 in the active exhaust unit 130 are all electrically connected to and controlled by different contactors 123 in the electrical control unit 120.
In the above embodiment, the refrigeration and heating unit 110, the electrical control units 120 and 130 are integrated in the housing 100, so that the fresh air, the return air and the active waste exhaust can be uniformly controlled by the electrical control unit 120, the exhaust valve 132 and the fresh air valve 114 are linked, and the fresh air pressure wave valve 115 and the waste exhaust pressure wave valve 133 are linked, so that the air volume can be intelligently adjusted, and on the premise of ensuring the air quality in the vehicle, the energy-saving, environment-friendly and environment-friendly effects are realized
The embodiment achieves the beneficial effects of energy saving, environmental protection and vehicle body space saving while realizing active waste discharge by optimizing the position structures of the unit modules and the linkage relation of different air valves.
In some embodiments, the mounting structure of the vehicle-mounted air conditioner on the train comprises a top-mounted type and an embedded type, wherein the top-mounted type air return structure comprises an end-sending end return, an end-sending bottom return, an end-returning bottom sending and a bottom-sending bottom return; the embedded air returning structure comprises a bottom air returning structure, a bottom air returning structure and an end air returning structure.
The vehicle-mounted air conditioner in the embodiment of the application can be divided into a top-mounted type and an embedded type according to different use scenes in different carriages, wherein the top-mounted type generally means that the vehicle-mounted air conditioner is arranged on a roof, and under the condition of the top-mounted type, the air returning structure of the vehicle-mounted air conditioner can be generally set to be any one of end sending end returning, end sending bottom returning, end returning bottom sending and bottom sending bottom returning. The embedded type generally means that the vehicle-mounted air conditioner is embedded into a vehicle body, and under the embedded type condition, the air returning structure of the vehicle-mounted air conditioner generally comprises bottom air returning, bottom air returning and end air returning.
Optionally, in this embodiment, the vehicle-mounted air conditioner is of a top type, and the air return structure end of the vehicle-mounted air conditioner returns from bottom.
In some embodiments, an air conditioning controller of the on-board air conditioner is disposed in a car of the train and remotely connected to the electrical control unit through a communication link.
The control air conditioner controller is separated from the vehicle-mounted air conditioner, and is arranged in the carriage which is easier to be touched by the crew members in a remote communication connection control mode, so that the crew members can conveniently and directly control the vehicle-mounted air conditioner in the carriage when needed.
In some embodiments, a programmable single chip microcomputer module is built in the air conditioner controller, and the air conditioner controller controls the electric control unit in a software program control mode through the communication link.
This embodiment is through built-in have the singlechip module able to programme in air conditioner controller for user's accessible air conditioner controller realizes more complicated air conditioner control function, and can make air conditioner controller's control key simplify more, can realize a key operation even.
In some embodiments, the air conditioner controller is in communication connection with the electrical control unit through an upper computer, and the instruction function of the air conditioner controller is determined by the upper computer in a software program control mode.
This embodiment make the air conditioner controller pass through the host computer with electrical control unit communication connection can make things convenient for the train main control unit, perhaps the master control personnel through a unified interface or platform, carry out unified control to a plurality of on-vehicle air conditioners on the train.
In some embodiments, the electrical control unit further includes a filter 124 and an emergency inverter 125, the filter 124 is disposed at the power input end of the inverter blower frequency converter and the compressor frequency converter, and the emergency inverter 125 is connected to the storage battery on the train and the inverter blower for emergency inverting the storage battery to ensure the normal operation of the inverter blower when the train loses power.
In some embodiments, the vehicle air conditioning refrigerant is a CO2 refrigerant.
The embodiment adopts the CO2 refrigerant, thereby overcoming the problem that the traditional HFC refrigerant is not environment-friendly to a certain extent.
In some embodiments, the cooling and heating unit 110 and the train compartments are each provided with CO2A sensor 118 for monitoring CO in the cooling and heating unit and the train car2And (4) concentration.
Wherein CO is2The sensor 118 may be disposed at the air return opening of the cabin for detecting CO in the cabin2Concentration, and can be according to CO2And controlling fresh air volume by the concentration value.
In some embodiments, the cooling and heating unit is further provided with an air supply temperature sensor 116, a temperature and humidity sensor 117, and a fresh air sensor 119, which are respectively used for detecting the air supply temperature, humidity, and the presence or absence of fresh air.
This embodiment can filter the power clutter on the car through set up wave filter 124 in electric control unit, improves the power quality, makes the better quality power of converter output, reduces the harmonic, reduces the influence of assisting contrary to the vehicle to improve vehicle security. When setting up urgent inverter and can guaranteeing that the train loses the electricity, the accessible battery supplies power for the inverter, and urgent inverter is with the battery voltage contravariant that steps up to guarantee the normal work of frequency conversion forced draught blower 111, thereby guarantee the interior normal ventilation of car. The air supply temperature sensor 116, the temperature and humidity sensor 117 and the fresh air sensor 119 in the refrigerating and heating unit 120 can more accurately control and detect the state of the vehicle-mounted air conditioner, so that the timely and intelligent control of the vehicle-mounted air conditioner is realized.
In some embodiments, the shell 100 is formed by combining a sheet metal material and a carbon fiber composite material, the sheet metal material is disposed at a combining portion of the shell and the carriage, and the carbon fiber composite material is connected with the sheet metal material in a bonding or riveting manner.
When the vehicle-mounted air conditioner is arranged at the top outside the vehicle, certain requirements are also provided for the material of the shell due to the high mechanical strength, the metal plate material or the carbon fiber composite material can be used as the shell material of the vehicle-mounted air conditioner generally, and in some embodiments, the metal plate material or the carbon fiber composite material can be used in combination to realize the advantages and the disadvantages of the characteristics of the respective materials. For example, with the panel beating material as with the automobile body joint portion material, can make that on-vehicle air conditioner and automobile body combine more firm, regard as the material of the partial casing of on-vehicle air conditioner exposure outside with carbon-fibre composite material, can make the casing more have corrosion resistance.
A second aspect of the embodiments of the present application provides a train that employs the vehicle-mounted air conditioner of any of the above-described embodiments.
It is to be understood that the above-described embodiments of the present application are merely illustrative of or illustrative of the principles of the present application and are not to be construed as limiting the present application. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. Further, it is intended that the appended claims cover all such changes and modifications that fall within the scope and range of equivalents of the appended claims, or the equivalents of such scope and range.
Claims (10)
1. An on-board air conditioner for a train, comprising:
a housing;
the refrigerating and heating unit comprises a variable-frequency blower, a variable-frequency compressor, a fresh air port, a fresh air valve and a fresh air pressure wave valve, wherein the fresh air valve controls fresh air volume sucked by the variable-frequency blower by controlling the size of the fresh air port, and the fresh air pressure wave valve controls air pressure in the train compartment by controlling the opening and closing of the fresh air port;
the electric control unit comprises a frequency conversion blower frequency converter, a compressor frequency converter and a contactor, wherein the frequency conversion blower frequency converter is used for controlling the frequency conversion blower, the compressor frequency converter is used for controlling the frequency conversion compressor, and the contactor is used for realizing the control connection between the electric control unit and the refrigerating and heating unit;
the active exhaust unit comprises an exhaust fan, an exhaust valve and an exhaust pressure wave valve, wherein the exhaust valve is arranged at an air outlet of the exhaust fan and used for controlling the exhaust of the exhaust fan, and the exhaust pressure wave valve is arranged at an air inlet of the exhaust fan and used for adjusting the air pressure in the locomotive carriage by controlling the air inlet amount;
the waste exhaust valve is linked with the fresh air valve, and the waste exhaust valve is started under the condition of starting the fresh air valve; the fresh air pressure wave valve and the waste discharge pressure wave valve are closed at the same time.
2. The vehicle air conditioner according to claim 1, wherein the mounting structure of the vehicle air conditioner on the train comprises a ceiling type and a built-in type, wherein the ceiling type air return structure comprises an end-sending end return, an end-sending bottom return, an end-returning bottom return and a bottom-sending bottom return; the embedded air returning structure comprises a bottom air returning structure, a bottom air returning structure and an end air returning structure.
3. The on-board air conditioner according to claim 2, wherein an air conditioner controller of the on-board air conditioner is provided in a compartment of the train and remotely connected to the electric control unit through a communication link.
4. The vehicle-mounted air conditioner according to claim 3, wherein a programmable single chip microcomputer module is built in the air conditioner controller, and the air conditioner controller controls the electric control unit in a software program control mode through the communication link.
5. The vehicle air conditioner of claim 3, wherein the air conditioner controller is in communication connection with the electrical control unit through an upper computer, and the command function of the air conditioner controller is determined by the upper computer in a software program control manner.
6. The on-board air conditioner according to any one of claims 1-5, wherein the electrical control unit further comprises a filter and an emergency inverter, the filter is disposed at the power input end of the inverter blower frequency converter and the compressor frequency converter, and the emergency inverter is connected to the storage battery on the train and the inverter blower for emergency inversion of the storage battery to ensure the normal operation of the inverter blower when the train loses power.
7. The vehicle air conditioner of any one of claims 1-5, wherein the refrigerant of the vehicle air conditioner is CO2And (4) a refrigerant.
8. The on-board air conditioner according to claim 7, wherein CO2 sensors are provided in both the cooling and heating unit and the train car to monitor CO in the cooling and heating unit and the train car2And (4) concentration.
9. The vehicle-mounted air conditioner according to any one of claims 1 to 5, wherein the housing is formed by combining a sheet metal material and a carbon fiber composite material, the sheet metal material is arranged at a combining part of the housing and the carriage, and the carbon fiber composite material is connected with the sheet metal material in a bonding or riveting manner.
10. A train, characterized in that the train employs the vehicle-mounted air conditioner of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110098962.5A CN113002576A (en) | 2021-01-25 | 2021-01-25 | Vehicle-mounted air conditioner for train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110098962.5A CN113002576A (en) | 2021-01-25 | 2021-01-25 | Vehicle-mounted air conditioner for train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113002576A true CN113002576A (en) | 2021-06-22 |
Family
ID=76385148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110098962.5A Pending CN113002576A (en) | 2021-01-25 | 2021-01-25 | Vehicle-mounted air conditioner for train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113002576A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659205A (en) * | 2022-04-08 | 2022-06-24 | 安徽兴鼎建设有限公司 | Large-span factory building fresh air system and construction method |
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| CN215361335U (en) * | 2021-01-25 | 2021-12-31 | 中车大连机车研究所有限公司 | A on-vehicle air conditioner and train for train |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114659205A (en) * | 2022-04-08 | 2022-06-24 | 安徽兴鼎建设有限公司 | Large-span factory building fresh air system and construction method |
| CN114659205B (en) * | 2022-04-08 | 2024-05-31 | 安徽兴鼎建设有限公司 | Large-span factory building fresh air system and construction method |
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