CN113771897A - subway air conditioner - Google Patents
subway air conditioner Download PDFInfo
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- CN113771897A CN113771897A CN202111138796.3A CN202111138796A CN113771897A CN 113771897 A CN113771897 A CN 113771897A CN 202111138796 A CN202111138796 A CN 202111138796A CN 113771897 A CN113771897 A CN 113771897A
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- 238000004378 air conditioning Methods 0.000 claims abstract description 38
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
本发明公开了一种地铁空调，包括机壳以及安装于机壳的空调系统和控制系统，空调系统用于调节地铁车厢内部温度，控制系统用于控制空调系统，控制系统包括第一控制单元、第二控制单元以及开关单元，第一控制单元用于控制空调系统，第二控制单元用于与车体控制系统连接并将车体控制系统的控制信号反馈至第一控制单元，开关单元用于与车体动力系统连接以控制空调系统、第一控制单元以及第二控制单元的开关。本发明的地铁空调，通过将空调系统和控制系统都安装在机壳上，实现地铁空调的机电一体化，避免占用地铁的可乘空间，从而提升地铁的运载能力，同时也能降低地铁空调的故障率和材料成本。
The invention discloses a subway air conditioner, comprising a casing, an air-conditioning system and a control system installed on the casing. The air-conditioning system is used to adjust the temperature inside a subway car, and the control system is used to control the air-conditioning system. The control system includes a first control unit, a control system, and a control system. A second control unit and a switch unit, the first control unit is used to control the air conditioning system, the second control unit is used to connect with the vehicle body control system and feed back the control signal of the vehicle body control system to the first control unit, and the switch unit is used to The switch is connected with the vehicle body power system to control the air conditioning system, the first control unit and the second control unit. The subway air conditioner of the present invention realizes the mechanical and electrical integration of the subway air conditioner by installing the air conditioning system and the control system on the casing, avoids occupying the subway space, thereby improving the carrying capacity of the subway, and at the same time, it can also reduce the subway air conditioner. Failure rates and material costs.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a subway air conditioner.
Background
The rail transit train refers to a type of transportation means, such as a subway, a train, etc., in which a vehicle needs to travel on a specific rail. With the continuous development of rail transit in China, trains become one of the most common traveling modes of people. In order to ensure the riding comfort of passengers, an air conditioner is generally installed at the top of the train for controlling the temperature in the passenger compartment.
The subway air conditioner generally comprises an air conditioning system and a control unit, wherein the air conditioning system is installed at the top of a subway, a control cabinet is arranged in a passenger area of the subway, and the control unit is installed in the control cabinet. Set up the switch board in the passenger area of subway, not only can occupy the space that can take of subway, reduce subway carrying capacity, when air conditioning system is connected with the control unit moreover, need use more intermediate member to connect, consequently can increase fault rate and material cost.
Disclosure of Invention
In view of this, the invention provides a subway air conditioner capable of realizing electromechanical integration.
A subway air conditioner comprising:
a housing;
the air conditioning system is arranged on the shell and is used for adjusting the temperature inside the subway carriage;
the control system is installed in the casing, control system includes first control unit, second control unit and switch unit, first control unit is used for controlling air conditioning system, the second control unit be used for with automobile body control system be connected and with automobile body control system's control signal feedback extremely first control unit, the switch unit is used for being connected with automobile body driving system in order to control air conditioning system first control unit and the switch of second control unit.
In some embodiments, the casing is provided with a first cavity for accommodating the first control unit, an air return opening communicated with the first cavity for allowing air inside a subway car to enter the first cavity, and an air supply opening for allowing air with the temperature reduced by the air conditioning system to enter the car, and at least part of the air moving to the air supply opening through the air return opening flows through the first control unit.
In some embodiments, the casing defines a longitudinal direction and a transverse direction, the longitudinal direction is parallel to the running direction of the subway, the transverse direction is perpendicular to the running direction of the subway, two air return openings are provided, the two air return openings respectively penetrate through two transverse sides of the bottom wall of the first cavity and are spaced from each other, and the first control unit is arranged on the bottom wall of the first cavity and is located between the two air return openings.
In some embodiments, a bottom of the first control unit is provided with a heat sink, and at least part of the air introduced into the first cavity through the two air return openings flows through the heat sink.
In some embodiments, the air conditioning system includes forced draught blower and two compressors, first the control unit includes along the horizontal interval arrange in two compressor the control unit and a fan the control unit between the return air inlet, the fan the control unit is located between two compressor the control unit is used for controlling the forced draught blower, two compressor the control unit is used for controlling respectively two compressors, the fan the control unit is used for controlling the forced draught blower, two compressor the control unit with the bottom of fan the control unit is equipped with respectively the radiator, every the radiator all includes a plurality of fin.
In some embodiments, the cooling fins on the bottom of the compressor control unit are distributed in parallel at longitudinal intervals, and the cooling fins on the bottom of the fan control unit are distributed in parallel at transverse intervals.
In some embodiments, the air conditioning system includes an evaporator and a blower, the evaporator includes a first evaporator and a second evaporator respectively located at two longitudinal sides of the first cavity, the air supply ports include a first air supply port and a second air supply port, the first air supply port is located at a longitudinal outer side of the first evaporator away from the first cavity, the second air supply port is located at a longitudinal outer side of the second evaporator away from the first cavity, and the blower includes a first blower located at the first air supply port and a second blower located at the second air supply port.
In some embodiments, the casing is further provided with a second cavity and a third cavity respectively located at two longitudinal sides of the first cavity, the first air supply outlet penetrates through a bottom wall of the second cavity, the second air supply outlet penetrates through a bottom wall of the third cavity, the first air blower is contained in the second cavity, and the second air blower is contained in the third cavity.
In some embodiments, the casing is provided with a fresh air channel communicating the first cavity with the outside of the subway air conditioner, the fresh air channel includes an air inlet, a first air duct, a fresh air port and a second air duct, the first air duct and the second air duct are laterally spaced from each other, the fresh air port is located outside the third cavity and communicates the first air duct and the second air duct, the air inlet communicates the first air duct with the outside of the subway air conditioner, and the second air duct communicates with the first cavity.
In some embodiments, the second cavity, the first cavity, and the third cavity are sequentially distributed at intervals along a longitudinal direction, the second cavity is located in front of the first cavity along a running direction of the subway, and the second control unit and the switch unit are disposed at one end of the casing close to the second cavity.
In some embodiments, the enclosure defines a longitudinal direction and a transverse direction, the longitudinal direction is parallel to the running direction of the subway, the transverse direction is perpendicular to the running direction of the subway, the second control unit is a weak-current unit, the switch unit is a strong-current unit, and the second control unit and the switch unit are arranged on two transverse sides of the enclosure at intervals. According to the scheme provided by the invention, the air conditioning system and the control system are both arranged on the shell, so that the mechanical and electrical integration of the subway air conditioner is realized, the occupied space of the subway is avoided, the carrying capacity of the subway is improved, and the failure rate and the material cost of the subway air conditioner can be reduced.
Drawings
Fig. 1 is a schematic structural diagram of a subway air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the subway air conditioner shown in fig. 1 when a top cover is not installed;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic bottom view of FIG. 2;
FIG. 5 is a schematic view of the first cover plate and the first access cover plate shown in FIG. 1, with the first access cover plate in an open position;
fig. 6 is a decorative illustration of the second maintenance cover and a portion of the top cover shown in fig. 1, with the second maintenance cover in an open position.
In the figure: 1. a subway air conditioner; 11. a bottom case; 12. a top cover; 101. a first cavity; 102. a second cavity; 103. a third cavity; 121. a first cover plate; 122. a second cover plate; 123. a third cover plate; 13. a seal member; 21. a compressor; 22. a first evaporator; 23. a second evaporator; 24. a first blower; 25. a second blower; 26. a condenser; 27. a condensing fan; 14. a partition plate; 104. a first sub-cavity; 105. a second subchamber; 31. a first control unit; 32. a second control unit; 33. a switch unit; 34. a connector; 311. a compressor control unit; 312. a fan control unit; 313. a heat sink; 106. an air return opening; 107. a first air supply outlet; 108. a second air supply outlet; 112. a concave cavity; 109. an air inlet; 110. a first air duct; 111. a second air duct; 28. a first filter screen; 124. a first through hole; 15. a first maintenance cover plate; 29. a second filter screen; 126. a second through hole; 16. a second service cover plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
It should be noted that all directional indicators (such as upper, lower, left, right, front, back, inner, outer, top, bottom … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Referring to fig. 1 and 2, a subway air conditioner 1 according to an embodiment of the present invention is installed at a suitable portion (e.g., a roof) of a subway to adjust a temperature in a compartment of the subway. The subway air conditioner 1 comprises a shell fixed to a subway, an air conditioning system and a control system, wherein the air conditioning system is installed on the shell, the air conditioning system is used for adjusting the temperature in a subway carriage, and the control system is electrically connected with the air conditioning system so as to control the air conditioning system to work.
The chassis comprises a bottom shell 11 and a top cover 12, wherein the bottom shell 11 is fixed to the subway, the air conditioning system and the control system are both installed on the bottom shell 11, and the top cover 12 covers the bottom shell 11, so that the air conditioning system and the control system are both accommodated in the chassis, and the air conditioning system and the control system are protected.
The machine shell defines a longitudinal direction and a transverse direction, wherein the longitudinal direction is parallel to the running direction of the subway, and the transverse direction is perpendicular to the running direction of the subway.
The bottom shell 11 is provided with a first cavity 101, a second cavity 102 and a third cavity 103, wherein the first cavity 101, the second cavity 102 and the third cavity 103 are arranged with upward openings along the longitudinal direction, and the second cavity 102 and the third cavity 103 are respectively located at two longitudinal sides of the first cavity 101 and are both communicated with the first cavity 101.
The top cover 12 includes a first cover plate 121 covering the first cavity 101, a second cover plate 122 covering the second cavity 102, and a third cover plate 123 covering the third cavity 103, and the first cover plate 121, the second cover plate 122, and the third cover plate 123 are all rotatably connected to the bottom case 11. Through rotating first apron 121, second apron 122 and third apron 123 and installing to drain pan 11, when the component in certain cavity breaks down in three cavities, the operating personnel can select to rotate and open corresponding apron, need not take off whole apron, makes things convenient for the operating personnel to operate.
As shown in fig. 2, sealing members 13 are disposed between the first cover plate 121, the second cover plate 122, and the third cover plate 123 and the bottom case 11, and the three sealing members 13 respectively surround the peripheries of the first cavity 101, the second cavity 102, and the third cavity 103 to enhance the sealing performance of the first cavity 101, the second cavity 102, and the third cavity 103.
The air conditioning system includes a compressor 21, an evaporator including a first evaporator 22 and a second evaporator 23, a blower including a first blower 24 and a second blower 25, and a condensing unit including a condenser 26 and a condensing fan 27. The first evaporator 22 and the second evaporator 23 are respectively located at two longitudinal sides of the first cavity 101, the first blower 24 is accommodated in the second cavity 102, the second blower 25 and the compressor 21 are accommodated in the third cavity 103, and the condenser 26 and the condensing fan 27 are located at one longitudinal side of the third cavity 103 far away from the first cavity 101.
The first evaporator 22 may be entirely housed in the first cavity 101 or the second cavity 102, or may be partially housed in the first cavity 101 and partially housed in the second cavity 102.
A partition plate 14 is arranged in the third cavity 103, the third cavity 103 is divided into a first sub-cavity 104 and a second sub-cavity 105 by the partition plate 14, the second sub-cavity 105 is located between the first sub-cavity 104 and the first cavity 101 and is communicated with the first cavity 101, the compressor 21 is contained in the first sub-cavity 104, and the second blower 25 is contained in the second sub-cavity 105.
In this application, the first blower 24, the second blower 25 and the condensing fan 27 are all variable frequency fans, the first evaporator 22 and the second evaporator 23 are all variable frequency evaporators, the compressor 21 is a variable frequency compressor 21, and the condenser 26 is a variable frequency condenser 26. The air conditioning system adopts frequency conversion components, so that the energy consumption of the subway air conditioner 1 is effectively reduced.
Referring to fig. 2 and 3, the control system includes a first control unit 31, a second control unit 32 and a switch unit 33, the first control unit 31 is used for controlling the compressor 21, the blower and the condensing fan 27 of the condensing unit of the air conditioning system, the second control unit 32 is connected to the vehicle body control system on the subway and feeds back the control signal of the vehicle body control system to the first control unit 31 to control the first control unit 31, and the switch unit 33 is connected to the vehicle body power system (i.e. the power supply) to control the first control unit 31, the second control unit 32 and the on and off of the blower, the compressor 21 and the condensing fan 27 of the air conditioning system. During operation, the vehicle body control system transmits a control signal to the second control unit 32, and the first control unit 31 collects the control signal from the second control unit 32 and controls the operation of the compressor 21, the blower, and the condensing fan 27 according to the control signal. Through with air conditioning system, the first control unit 31 of control air conditioning system, be connected with the second control unit 32 of control first control unit 31 with automobile body control system, and be connected with automobile body driving system in order to control air conditioning system, the switch unit 33 of first control unit 31 and second control unit 32 all integrates on the casing, realize subway air conditioner 1's mechatronics, avoid occupying the riding space of subway, thereby promote the carrying capacity of subway, also reduce the fault rate and the material cost of subway air conditioner 1 simultaneously.
The first control unit 31 is accommodated in the first cavity 101, the first evaporator 22 is located between the first control unit 31 and the first blower 24, and the second evaporator 23 is located between the first control unit 31 and the second blower 25. The first control unit 31 includes a compressor control unit 311 and a fan control unit 312, the compressor control unit 311 and the fan control unit 312 are arranged at intervals in the transverse direction, the compressor control unit 311 is used for controlling the compressor 21, and the fan control unit 312 is used for controlling the first blower 24, the second blower 25, and the condensing fan 27.
In this application, the number of the compressors 21 and the compressor control units 311 is two, the two compressors 21 are accommodated in the first sub-cavity 104, the two compressor control units 311 are accommodated in the first cavity 101 and are spaced from each other along the transverse direction, the fan control unit 312 is spaced between the two compressor control units 311, and each compressor control unit 311 is connected with one compressor 21 to control the operation of the compressor control unit 311.
The bottom of the two compressor control units 311 and the bottom of the fan control unit 312 are both provided with a radiator, each radiator comprises a plurality of radiating fins 313 which are spaced from each other, and the radiating fins 313 can increase the contact area with air, so that the radiating efficiency of the compressor control unit 311 and the fan control unit 312 is enhanced, and the normal work and the service life of the compressor control unit 311 and the fan control unit 312 are ensured.
In the present application, the switch unit 33 is a strong current unit, the second control unit 32 is a weak current unit, and the switch unit 33 and the second control unit 32 are respectively located at two lateral sides of the second cavity 102 to increase the distance therebetween, so as to reduce the electromagnetic interference between the switch unit 33 and the second control unit 32, and ensure that the switch unit 33 and the second control unit 32 can both work normally.
In the running direction of the subway, the second cavity 102 is located at the foremost end of the bottom case 11, that is, the second cavity 102 is located in front of the first cavity 101, and the second control unit 32 and the switch unit 33 are distributed at both lateral sides of the second cavity 102, so that the second control unit 32 and the switch unit 33 are also located at the foremost end of the bottom case 11. Connectors 34 are further respectively arranged on two lateral sides of the foremost end of bottom case 11, second control unit 32 is connected with a vehicle body control system through one connector 34, and switch unit 33 is connected with a vehicle body power system through the other connector 34.
The second chamber 102 is provided at both lateral sides thereof with cavities 112 communicating with the second chamber 102, respectively, the second control unit 32 is installed in one of the cavities 112, and the switch unit 33 is installed in the other cavity 112. The air cooled into the second cavity 102 can enter into the two cavities 112, so as to lower the temperature of the second control unit 32 and the switch unit 33, and ensure that the second control unit 32 and the switch unit 33 can work normally.
In the present application, the second control unit 32 includes components such as a controller, a frequency converter, and an lo module, and the switch unit 33 includes components such as a contactor and a power switch.
Referring to fig. 2 to 4, the casing is provided with an air return opening 106 and an air supply opening, the air return opening 106 is communicated with the interior of the subway car, the air in the interior of the subway car can enter the casing, and the air supply opening can send the cooled air in the casing into the interior of the subway car, so as to adjust the temperature in the interior of the subway car.
The air return opening 106 penetrates through the bottom wall of the first cavity 101 to communicate with the first cavity 101. The air supply ports comprise a first air supply port 107 and a second air supply port 108, the first air supply port 107 penetrates through the bottom wall of the second cavity 102 so as to be communicated with the second cavity 102, the position of the first air supply port 107 corresponds to the position of the first air supply blower 24 in the second cavity 102, the second air supply port 108 penetrates through the bottom wall of the third cavity 103 so as to be communicated with the third cavity 103, and the position of the second air supply port 108 corresponds to the position of the second air supply blower 25 in the third cavity 103. When the first blower 24 and the second blower 25 are operated, air in a subway car can be sucked into the first cavity 101 through the air return opening 106, then flows through the compressor control unit 311, the fan control unit 312 and radiators at the bottoms of the compressor control unit 311 and the fan control unit 312, takes away heat of the compressor control unit 311 and the fan control unit 312, moves to the first evaporator 22 and the second evaporator 23, exchanges heat with the first evaporator 22 and the second evaporator 23, enters the second cavity 102 and the third cavity 103 after the temperature is reduced, and finally is discharged from the first air supply opening 107 and the second air supply opening 108 on the bottom walls of the second cavity 102 and the third cavity 103 to enter the subway car.
In the illustrated embodiment, two air return openings 106 are provided, and the two air return openings 106 respectively penetrate through the two lateral sides of the bottom wall of the first cavity 101 and are respectively located at the lateral outer sides of the two compressors 21.
The specific arrangement of the heat dissipation fins 313 is not limited, and in the illustrated embodiment, the plurality of heat dissipation fins 313 of the heat sink at the bottom of the two compressor control units 311 are distributed in parallel at intervals in the longitudinal direction, and the heat dissipation fins 313 of the heat sink at the bottom of the fan control unit 312 are distributed in parallel at intervals in the transverse direction. After the air inside the subway car enters the first cavity 101 from the two air return openings 106, under the action of the first blower 24 and the second blower 25, the air moves from the side portion of the first cavity 101 to the middle portion, i.e., moves along the transverse direction, flows through the compressor control unit 311 and the radiator at the bottom thereof, and moves to the blower control unit 312 and the radiator at the bottom thereof, the air changes the moving direction, moves towards the directions of the first evaporator 22 and the second evaporator 23, i.e., moves along the longitudinal direction, and enters the second cavity 102 and the third cavity 103 after exchanging heat with the first evaporator 22 and the second evaporator 23. The radiating fins 313 at the bottom of the compressor control unit 311 are distributed in parallel along the longitudinal direction at intervals, and the radiating fins 313 at the bottom of the fan control unit 312 are distributed along the transverse direction at intervals, so that the air flow is facilitated, and the wind resistance is reduced.
The casing is also provided with a fresh air channel for allowing outside air to enter the subway air conditioner 1, the fresh air channel comprises an air inlet 109, a first air channel 110, a fresh air port and a second air channel 111, the first air channel 110 and the second air channel 111 extend longitudinally and are transversely spaced from each other, the first air channel 110 is located between the bottom shell 11 and the top cover 12, the second air channel 111 is located inside the bottom shell 11, the fresh air port is communicated with the first air channel 110 and the second air channel 111, the air inlet 109 is communicated with the first air channel 110 and the outside (namely, the outside of the subway air conditioner 1), and the second air channel 111 is communicated with the first cavity 101. When the first blower 24 and the second blower 25 are operated, outside air can be sucked into the first air duct 110 through the air inlet 109, then sequentially flows through the fresh air inlet and the second air duct 111, finally enters the first cavity 101, is mixed with air entering the first cavity 101 from the interior of the subway car, and then exchanges heat with the evaporator.
In the illustrated embodiment, the air inlet 109 is located on the lateral outer side of the first cavity 101, the fresh air inlet is located on the lateral outer side of the third cavity 103, the first air duct 110 extends from the air inlet 109 to the fresh air inlet, and the second air duct 111 is located on the lateral outer side of the third cavity 103 and extends from the fresh air inlet to the first cavity 101, so that the fresh air duct is integrally U-shaped, and thus the refrigeration effect of the subway air conditioner 1 is prevented from being affected by too much air entering the first cavity 101 from the outside.
In the illustrated embodiment, two fresh air channels are symmetrically arranged on two lateral sides of the housing, and the two fresh air channels are respectively communicated with two lateral sides of the first cavity 101.
Referring to fig. 1 and 5, two first filter screens 28 are installed in the first cavity 101, the two first filter screens 28 are respectively located between the first control unit 31 and the first evaporator 22 and between the first control unit 31 and the second evaporator 23, one of the first filter screens 28 is attached to the first evaporator 22, and the other first filter screen 28 is attached to the second evaporator 23. The air in the first cavity 101 can firstly pass through the first filter screen 28 in the process of moving towards the first evaporator 22 and the second evaporator 23, the first filter screen 28 can filter the air passing through the first filter screen 28, partial bacteria and dust in the air are filtered, and the cleanness of the air in the subway carriage is favorably maintained.
The first cover plate 121 of the top cover 12 is provided with a first through hole 124 corresponding to the first filter screen 28, and the first cover plate 121 is rotatably provided with a first protective cover plate 15 covering the first through hole 124. When carrying out daily maintenance to first filter screen 28, the operation personnel can overturn and open first dimension protecting cover plate 15, then take out first filter screen 28, need not open first apron 121, also need not take off whole top cap 12, make things convenient for the operation of operation personnel.
Referring to fig. 1 and 6, the second filter screen 29 is installed at the fresh air inlet, the second filter screen 29 covers the fresh air inlet, when outside air enters the first cavity 101, the outside air passes through the second filter screen 29, the second filter screen 29 can filter the air passing through the second filter screen, so as to filter out partial bacteria, dust and the like in the air, and the air inside the subway car is kept clean.
The bottom shell 11 is detachably mounted on the second filter screen 29, the top cover 12 is provided with a second through hole 126 and a second maintenance cover plate 16 covering the second through hole 126 corresponding to the second filter screen 29, and the second maintenance cover plate 16 is rotatably connected with the top cover 12. When the operation personnel carried out daily maintenance at degree second filter screen 29, can overturn and open second dimension protecting cover plate 16, then take out second filter screen 29, need not take off whole top cap 12, make things convenient for the operation of operation personnel.
According to the subway air conditioner, the air conditioning system and the control system are arranged on the shell, so that the electromechanical integration of the subway air conditioner is realized, the occupied space of the subway is avoided, the carrying capacity of the subway is improved, and the failure rate and the material cost of the subway air conditioner can be reduced.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (11)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111138796.3A CN113771897A (en) | 2021-09-27 | 2021-09-27 | subway air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111138796.3A CN113771897A (en) | 2021-09-27 | 2021-09-27 | subway air conditioner |
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| CN113771897A true CN113771897A (en) | 2021-12-10 |
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| CN202111138796.3A Pending CN113771897A (en) | 2021-09-27 | 2021-09-27 | subway air conditioner |
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| CN104554313A (en) * | 2015-01-12 | 2015-04-29 | 南车青岛四方机车车辆股份有限公司 | Ultra-thin air conditioning unit and urban rail vehicle installed with air conditioning unit |
| CN113335324A (en) * | 2021-06-24 | 2021-09-03 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle and air conditioning system thereof |
| CN215553170U (en) * | 2021-09-27 | 2022-01-18 | 上海科泰运输制冷设备有限公司 | Subway air conditioner |
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