CN218949184U - Air conditioner ventilation structure for railway vehicle cab - Google Patents
Air conditioner ventilation structure for railway vehicle cab Download PDFInfo
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- CN218949184U CN218949184U CN202320024856.7U CN202320024856U CN218949184U CN 218949184 U CN218949184 U CN 218949184U CN 202320024856 U CN202320024856 U CN 202320024856U CN 218949184 U CN218949184 U CN 218949184U
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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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Abstract
The utility model discloses an air conditioner ventilation structure for a railway vehicle cab, wherein an air conditioner is arranged at the rear side of the cab, and a connecting air duct is arranged at the top of the air conditioner; the top of the rail vehicle is provided with a roof air inlet, and the top of the connecting air duct is communicated with the roof air inlet; a channel is arranged between the interior of the cab and a cab hood of the railway vehicle, and a notch communicated with the channel is arranged on the side wall of the connecting air duct; one or more air inlets are arranged at the bottom of the cab, and the air inlet ends of the air inlets are adjacent to the air; an air duct partition board is arranged in the connecting air duct, a driving mechanism is arranged on the cab, and the driving mechanism is connected with the air duct partition board; the driving mechanism can drive the air duct partition plate to move in the connecting air duct, so that the top of the connecting air duct is communicated with the air inlet of the roof of the railway vehicle, or the connecting air duct is communicated with the channel through the notch. The ventilation structure of the air conditioner can discharge harmful gas in the channel between the interior of the cab and the cab hood, and improve the air quality in the cab.
Description
Technical Field
The utility model belongs to the technical field of railway vehicles, and particularly relates to an air conditioner ventilation structure for a railway vehicle cab.
Background
At present, as the application of nonmetallic materials in a locomotive cab is more and more, and the requirement of indoor air quality is higher, the problem of air quality (aldehydes, ketones and other volatile organic matters) in the cab is more and more serious (the concentration of formaldehyde is more than 3.3 mg/m) 3 ) The air between the vehicle body in the cab and the vehicle body skin and the interior of the cab is relatively closed, toxic and harmful gas (such as damping paste, soundproof cotton and volatile gas of nonmetallic interior decoration plates on a steel structure) in the inner cavity of the cab cannot be timely discharged, and the toxic and harmful gas in the movable area of drivers and passengers in the cab exceeds standard because the gas is discharged into the cab through gaps of the interior decoration plates. The cab is generally provided with an air conditioner, components in the air conditioner comprise a compressor, an internal circulating fan, an electromagnetic valve, a condensing fan and the like, and the normal operation mode of the air conditioner is to refrigerate or heat the cab.
The utility model patent grant publication No. CN203666657U discloses a cab ventilation system of a motor train unit, which comprises an air inlet pipeline, wherein the air inlet pipeline is arranged on the outer side wall of the motor train unit, one port of the air inlet pipeline is opposite to the running direction of the motor train unit, the other port of the air inlet pipeline is connected to the side wall of a motor train unit train, the port of the air inlet pipeline connected to the side wall is communicated with an air inlet of a sterilization chamber after passing through a filter screen, an ultraviolet disinfection device is arranged in the sterilization chamber, and an air outlet of the sterilization chamber is communicated into the cab after passing through an exhaust fan. The cab ventilation system of the motor train unit can improve the air quality in the cab, but can not discharge harmful gas between the interior of the cab and the vehicle body.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides an air conditioner ventilation structure for a railway vehicle cab, which can discharge harmful gas between the interior of the cab and a railway vehicle body and improve the air quality in the cab.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
an air conditioner ventilation structure for a railway vehicle cab is provided, wherein an air conditioner is arranged at the rear side of the cab, and a connecting air duct is arranged at the top of the air conditioner; the top of the rail vehicle is provided with a roof air inlet, and the top of the connecting air duct is communicated with the roof air inlet; the structure is characterized in that: a channel is arranged between the interior of the cab and a cab hood of the railway vehicle, and a notch communicated with the channel is arranged on the side wall of the connecting air duct; one or more air inlets communicated with the channel are arranged at the bottom of the cab, and the air inlet ends of the air inlets are adjacent to the air; an air duct partition board is arranged in the connecting air duct, a driving mechanism is arranged on the cab, and the driving mechanism is connected with the air duct partition board; the driving mechanism can drive the air duct partition plate to move in the connecting air duct, so that the top of the connecting air duct is communicated with the roof air inlet, or the connecting air duct is communicated with the channel through the notch.
Through setting up the wind channel baffle for connect the wind channel can be linked together with rail vehicle roof air intake, perhaps be linked together with the passageway, thereby changed the air intake position of air conditioner, make the air conditioner be in normal operating mode or remove flavor mode. When the cab air conditioner is in a normal running mode, the top of the connecting air duct is communicated with the air inlet of the roof of the railway vehicle, the air conditioner is used for refrigerating or heating normally, and components in the air conditioner such as a compressor, an internal circulating fan, an electromagnetic valve, a condensing fan and the like are in a normal working state. When the cab air conditioner is in the deodorizing mode, the connecting air duct is communicated with the channel through the notch, and the air conditioner only starts the condensing fan under manual or automatic adjustment, so that harmful gas in the channel is discharged to the outside of the railway vehicle through the notch, the connecting air duct and the air conditioner in sequence. An air inlet hole arranged at the bottom of the cab is used as an air inlet of the cab in an air-conditioning deodorizing mode, and air outside the railway vehicle enters the channel through the air inlet hole, so that harmful gas in the channel is discharged. The air conditioning ventilation structure for the railway vehicle cab can ventilate and ventilate a channel between the interior of the cab and the cab hood, remove toxic and harmful gas in the channel and improve the air quality in the cab. The air conditioning ventilation structure for the railway vehicle cab can utilize the existing air conditioning device, and can realize ventilation of the channel by switching the air source of the air inlet of the connecting air channel without independently arranging a ventilation fan to ventilate and ventilate the channel. The air conditioning ventilation structure for the railway vehicle cab can regularly discharge harmful gas in the channel, so that an air conditioner or an air quality processing unit (an air processor such as an ion generator and an ultraviolet processor) in the cab can be omitted, and the input cost of the railway vehicle is reduced.
Specifically, the channel is formed by enclosing a top interlayer arranged at the top of the cab, a rear wall interlayer arranged at the rear side of the cab, a floor interlayer arranged at the bottom of the cab, an operation desk interlayer arranged in an operation desk of the cab and a front interlayer arranged at the front end of the cab, and a ventilation path which is communicated with each other is arranged among the top interlayer, the rear wall interlayer, the floor interlayer, the operation desk interlayer and the front interlayer; the rear section wall interlayer is arranged between the cab and the air conditioner, and the connecting air duct is communicated with the rear section wall interlayer through the notch.
Preferably, the driving mechanism comprises a first connecting rod, a second connecting rod, a guide rail and a motor; one end of the second connecting rod is hinged with the first connecting rod, and the other end of the second connecting rod is hinged with the air duct partition plate; the guide rail is arranged on the rear section wall interlayer, the motor and the first connecting rod are both arranged on the guide rail, and the motor can drive the first connecting rod to move up and down along the guide rail. When the motor drives the first connecting rod to move upwards, the second connecting rod drives the air duct partition plate to move upwards under the action of the first connecting rod, so that the top opening of the connecting air duct is closed by the air duct partition plate, and a notch on the side wall of the connecting air duct is communicated with the rear-section partition layer. When the motor drives the first connecting rod to move downwards, the second connecting rod drives the air duct partition plate to move towards the side wall of the connecting air duct under the action of the first connecting rod, so that the notch of the side wall of the connecting air duct is closed by the air duct partition plate, and the top opening of the connecting air duct is communicated with the roof air inlet of the railway vehicle.
Specifically, the air inlet is arranged at the bottom of the operating platform in the cab, and is communicated with the floor interlayer. The air inlet is arranged at the bottom of the operation table, the air inlet is far away from the rear section wall interlayer, and the ventilation effect of air in the channel is better.
Specifically, air quality sensors are arranged in the channel and the connecting air duct. The air quality sensor detects the air quality outside the channel and the railway vehicle, so that whether the air conditioner starts the deodorizing mode is determined.
Specifically, the outer edge of the air duct partition plate is provided with sound-absorbing cotton and a sealing gasket.
Specifically, an air inlet net is arranged on the roof air inlet.
Compared with the prior art, the utility model has the following beneficial effects:
1. the air conditioning ventilation structure for the railway vehicle cab can ventilate and ventilate a channel between the interior of the cab and the cab hood, remove toxic and harmful gas in the channel and improve the air quality in the cab.
2. The air conditioning ventilation structure for the railway vehicle cab can utilize the existing air conditioning device, and can realize ventilation of the channel by switching the air source of the air inlet of the connecting air channel without independently arranging a ventilation fan to ventilate and ventilate the channel.
3. The air conditioning ventilation structure for the railway vehicle cab can regularly discharge harmful gas in the channel, so that an air conditioner or an air quality processing unit (an air processor such as an ion generator and an ultraviolet processor) in the cab can be omitted, and the input cost of the railway vehicle is reduced.
Drawings
Fig. 1 is a schematic structural view of an air conditioner ventilation structure for a cab of a railway vehicle according to the present utility model in a normal operation mode of an air conditioner;
fig. 2 is a schematic structural view of an air conditioner ventilation structure for a cab of a railway vehicle according to the present utility model in a deodorizing mode of an air conditioner.
In the figure, 1-channel; 11-top barrier layer; 12-a rear section wall interlayer; 13-floor barrier; 14-an operation table interlayer; 15-front end spacers; 2-a driving mechanism; 21-a first link; 22-a second link; 23-a guide rail; 24-motor; 3-a cab; 4-an air duct partition plate; 5-an air quality sensor; 6-connecting the air duct; 7-air conditioning; 71-a condensing fan; 72-a condenser; 8-a roof air inlet; 9-notch; 10-air inlet hole.
Detailed Description
The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. For convenience of description, the words "upper", "lower", "left" and "right" are used hereinafter to denote only the directions corresponding to the upper, lower, left, and right directions of the drawings, and do not limit the structure.
As shown in fig. 1 and 2, an air conditioning ventilation structure for a railway vehicle cab is provided, wherein a channel 1 is arranged between the interior of a cab 3 and a cab hood of the railway vehicle, an air conditioner 7 is arranged at the rear side of the cab 3, and a connecting air duct 6 is arranged at the top of the air conditioner 7. The top of the railway vehicle is provided with a roof air inlet 8, the top of the connecting air duct 6 is communicated with the roof air inlet 8, a notch 9 communicated with the channel 1 is arranged on the side wall of the connecting air duct 6, and an air duct partition plate 4 is arranged in the connecting air duct 6. The channel 1 is formed by enclosing a top interlayer 11 arranged at the top of the cab 3, a rear wall interlayer 12 arranged at the rear side of the cab 3, a floor interlayer 13 arranged at the bottom of the cab 3, an operation panel interlayer 14 arranged in an operation panel of the cab 3 and a front interlayer 15 arranged at the front end of the cab 3, wherein a ventilation path which is mutually communicated is arranged among the top interlayer 11, the rear wall interlayer 12, the floor interlayer 13, the operation panel interlayer 14 and the front interlayer 15. The rear wall interlayer 12 is arranged between the cab 3 and the air conditioner 7, and the connecting air duct 6 is communicated with the rear wall interlayer 12 through the notch 9. The cab 3 is provided with a driving mechanism 2, and the driving mechanism 2 comprises a first connecting rod 21, a second connecting rod 22, a guide rail 23 and a motor 24. One end of the second connecting rod 22 is hinged with the first connecting rod 21, and the other end is hinged with the air duct partition plate 4. The guide rail 23 is arranged on the rear wall interlayer 12, the motor 24 and the first connecting rod 21 are both arranged on the guide rail 23, and the motor 24 can drive the first connecting rod 21 to move up and down along the guide rail 23, so that the air duct partition plate 4 moves in the connecting air duct 6, the top of the connecting air duct 6 is communicated with the air inlet 8 of the roof of the railway vehicle, or the connecting air duct 6 is communicated with the rear wall interlayer 12 through the notch 9. Two air inlets 10 are arranged at proper positions at the bottom of the operating platform in the cab 3, the air inlets 10 are communicated with the floor interlayer 13, and the air inlet ends of the air inlets 10 are adjacent to the air. The floor interlayer 13 and the connecting air duct 6 are internally provided with air quality sensors 5, the outer edge of the air duct separator 4 is provided with sound absorbing cotton and a sealing gasket, and the roof air inlet 8 is provided with an air inlet net. The air conditioner 7 is internally provided with a condensing fan 71 and a condenser 72 in sequence from bottom to bottom.
By arranging the air duct partition plate 4, the connecting air duct 6 can be communicated with the air inlet 8 of the roof of the railway vehicle or the air duct 1, so that the position of the air inlet of the air conditioner 7 is changed, and the air conditioner 7 is in a normal operation mode or a deodorizing mode. When the air conditioner 7 is in the normal operation mode, as shown in fig. 1, the motor 24 drives the first connecting rod 21 to move downwards, and the second connecting rod 22 drives the air duct partition board 4 to move towards the side wall of the connecting air duct 6 under the action of the first connecting rod 21, so that the notch 9 of the side wall of the connecting air duct 6 is closed by the air duct partition board 4, and the top opening of the connecting air duct 6 is communicated with the air inlet 8 of the roof of the railway vehicle. The air conditioner 7 is used for normally refrigerating or heating, and the air outside the railway vehicle is discharged from the bottom of the railway vehicle after passing through an air inlet net on the air inlet 8 of the roof, the connecting air duct 6, the condensing fan 71 and the condenser 72. Wherein the arrow direction in the figure indicates the air flow direction. When the air conditioner 7 is in the deodorizing mode, as shown in fig. 2, the motor 24 drives the first connecting rod 21 to move upwards, and the second connecting rod 22 drives the air duct partition board 4 to move upwards under the action of the first connecting rod 21, so that the top opening of the connecting air duct 6 is closed by the air duct partition board 4, and the notch 9 on the side wall of the connecting air duct 6 is communicated with the rear partition board 12. Under manual or automatic adjustment, the air conditioner 7 only starts the condensing fan 71, and air outside the railway vehicle enters the channel 1 through the air inlet holes 10, so that harmful gas in the channel 1 is discharged outside the railway vehicle through the notch 9, the connecting air duct 6 and the air conditioner 7 in sequence. Wherein the arrow direction in the figure indicates the air flow direction.
Daily use of air conditioner 7 deodorizing mode: through the detection of formaldehyde and dust concentration by the air quality sensor 5 in the channel 1, when the detection value reaches the set early warning value and the air quality detected by the outdoor air quality sensor 5 in the connecting air duct 6 is in a proper range and the locomotive is during the period of in-section servicing, the air conditioner 7 automatically starts a deodorizing mode (only the condensing fan 71 is operated), the variable-frequency condensing fan 71 is controlled to ventilate and ventilate the channel 1 of the cab 3, and the ventilation time can be set to be 1-3 min. A desiccant can be arranged at a proper position of the channel 1 according to the requirement, and the desiccant can absorb moisture in fresh air in the channel 1.
The air conditioning ventilation structure for the railway vehicle cab can ventilate and ventilate a channel 1 between the interior of the cab 3 and a cab hood, remove toxic and harmful gases in the channel 1 and improve the air quality in the cab 3. The air conditioning ventilation structure for the railway vehicle cab can utilize the existing air conditioning 7 device, and can realize ventilation of the channel 1 by switching the air inlet source of the connecting air channel 6 without independently arranging a ventilation fan to ventilate and ventilate the channel 1. The air conditioning ventilation structure for the railway vehicle cab can regularly discharge harmful gas in the channel 1, so that an air conditioner or an air quality processing unit (an air processor such as an ion generator and an ultraviolet processor) in the cab can be omitted, and the input cost of the railway vehicle is reduced.
The foregoing examples are set forth in order to provide a more thorough description of the present utility model, and are not intended to limit the scope of the utility model, since modifications of the utility model in various equivalent forms will occur to those skilled in the art upon reading the present utility model, and are within the scope of the utility model as defined in the appended claims.
Claims (7)
1. An air conditioner ventilation structure for a railway vehicle cab is characterized in that an air conditioner (7) is arranged at the rear side of the cab (3), and a connecting air duct (6) is arranged at the top of the air conditioner (7); the top of the rail vehicle is provided with a roof air inlet (8), and the top of the connecting air duct (6) is communicated with the roof air inlet (8); the method is characterized in that: a channel (1) is arranged between the interior of the cab (3) and a cab hood of the railway vehicle, and a notch (9) communicated with the channel (1) is arranged on the side wall of the connecting air duct (6);
one or more air inlets (10) communicated with the channel (1) are arranged at the bottom of the cab (3), and the air inlet ends of the air inlets (10) are adjacent to the air;
an air duct partition board (4) is arranged in the connecting air duct (6), a driving mechanism (2) is arranged on the cab (3), and the driving mechanism (2) is connected with the air duct partition board (4);
the driving mechanism (2) can drive the air duct partition plate (4) to move in the connecting air duct (6), so that the top of the connecting air duct (6) is communicated with the air inlet (8) of the roof of the railway vehicle, or the connecting air duct (6) is communicated with the channel (1) through the notch (9).
2. The air conditioning ventilation structure for a railway vehicle cab according to claim 1, wherein: the channel (1) is formed by enclosing a top interlayer (11) arranged at the top of the cab (3), a rear wall interlayer (12) arranged at the rear side of the cab (3), a floor interlayer (13) arranged at the bottom of the cab (3), an operation panel interlayer (14) arranged in an operation panel of the cab (3) and a front end interlayer (15) arranged at the front end of the cab (3), wherein a ventilation path which is communicated with each other is arranged among the top interlayer (11), the rear wall interlayer (12), the floor interlayer (13), the operation panel interlayer (14) and the front end interlayer (15); the rear wall interlayer (12) is arranged between the cab (3) and the air conditioner (7), and the connecting air duct (6) is communicated with the rear wall interlayer (12) through the notch (9).
3. The air conditioning ventilation structure for a railway vehicle cab according to claim 2, wherein: the driving mechanism (2) comprises a first connecting rod (21), a second connecting rod (22), a guide rail (23) and a motor (24); one end of the second connecting rod (22) is hinged with the first connecting rod (21), and the other end of the second connecting rod is hinged with the air duct partition plate (4); the guide rail (23) is arranged on the rear section wall interlayer (12), the motor (24) and the first connecting rod (21) are arranged on the guide rail (23), and the motor (24) can drive the first connecting rod (21) to move up and down along the guide rail (23).
4. The air conditioning ventilation structure for a railway vehicle cab according to claim 2, wherein: the air inlet hole (10) is arranged at the bottom of the operating platform in the cab (3), and the air inlet hole (10) is communicated with the floor interlayer (13).
5. The air conditioning ventilation structure for a railway vehicle cab according to any one of claims 1 to 4, characterized in that: air quality sensors (5) are arranged in the channel (1) and the connecting air duct (6).
6. The air conditioning ventilation structure for a railway vehicle cab according to any one of claims 1 to 4, characterized in that: the outer edge of the air duct partition plate (4) is provided with sound-absorbing cotton and a sealing gasket.
7. The air conditioning ventilation structure for a railway vehicle cab according to any one of claims 1 to 4, characterized in that: an air inlet net is arranged on the roof air inlet (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320024856.7U CN218949184U (en) | 2023-01-03 | 2023-01-03 | Air conditioner ventilation structure for railway vehicle cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320024856.7U CN218949184U (en) | 2023-01-03 | 2023-01-03 | Air conditioner ventilation structure for railway vehicle cab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218949184U true CN218949184U (en) | 2023-05-02 |
Family
ID=86137952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320024856.7U Active CN218949184U (en) | 2023-01-03 | 2023-01-03 | Air conditioner ventilation structure for railway vehicle cab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218949184U (en) |
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2023
- 2023-01-03 CN CN202320024856.7U patent/CN218949184U/en active Active
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