CN112550328A - Air duct structure of railway vehicle, railway vehicle and control method of railway vehicle - Google Patents
Air duct structure of railway vehicle, railway vehicle and control method of railway vehicle Download PDFInfo
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- CN112550328A CN112550328A CN202010745103.6A CN202010745103A CN112550328A CN 112550328 A CN112550328 A CN 112550328A CN 202010745103 A CN202010745103 A CN 202010745103A CN 112550328 A CN112550328 A CN 112550328A
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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
- B61D27/009—Means for ventilating only
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Abstract
The invention provides an air duct structure of a railway vehicle, the railway vehicle and a control method thereof, wherein the air duct structure comprises the following components: the air duct is formed in the shell, the shell is provided with an air inlet, a first air outlet and a second air outlet, the air inlet is suitable for being communicated with the air duct and a main air duct of the rail vehicle, the first air outlet and the second air outlet are vertically distributed and are respectively configured to be communicated with a passenger room of the rail vehicle, and air flow discharged into the air duct from the air inlet is discharged into the passenger room through the first air outlet and the second air outlet. The air duct structure provided by the invention is provided with the two air outlets, and the design of the double air outlets improves the air outlet efficiency of the air duct structure, realizes the multiplication of air outlet quantity, and further improves the ventilation efficiency of passenger rooms of the railway vehicles. And because the promotion of air-out efficiency, under the condition of the same air output, air duct structure can realize miniaturized design, and what air duct structure can be better is applicable to small cross section rail vehicle.
Description
Technical Field
The invention relates to the field of railway vehicles, in particular to an air duct structure of a railway vehicle, the railway vehicle and a control method of the railway vehicle.
Background
The existing small-section rail vehicle has a large vehicle body and a small and exquisite vehicle body with a large section, so that the occupied land resource can be greatly reduced, and the small-section rail vehicle is more and more popular in cities with increasingly tense land resources.
However, since the small-section rail vehicle has a small section, the installation space of the equipment is limited, and the design of the ventilation system is severely limited by the space. Specifically, receive small cross section rail vehicle's space restriction, lead to air duct structure's air outlet and wind channel all to be narrower and small, the great reduction of air output of air duct structure seriously influences the ventilation in carriage, and passenger's the experience of taking is poor.
The present invention has been made in view of this situation.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide an air duct structure of a railway vehicle, so as to solve the problem that the air outlet quantity of the air duct structure is small due to structural and space limitations of the existing small-section railway vehicle.
The invention provides an air duct structure of a railway vehicle, which comprises:
the air duct is formed in the shell, the shell is provided with an air inlet, a first air outlet and a second air outlet, the air inlet is suitable for being communicated with the air duct and a main air duct of the railway vehicle, the first air outlet and the second air outlet are vertically distributed and are respectively configured to be communicated with a passenger room of the railway vehicle, and air flow discharged into the air duct from the air inlet is discharged into the passenger room through the first air outlet and the second air outlet.
Among the above-mentioned technical scheme, rail vehicle's wind channel structure still includes:
the first air volume adjusting device is arranged at the air inlet and is suitable for adjusting the air inlet volume of the air inlet.
In the above technical solution, the first air volume adjusting device includes:
the valve plate is rotatably arranged at the air inlet and provided with an opening position and a closing position, when the valve plate is positioned at the opening position, the valve plate opens the air inlet, and when the valve plate is positioned at the closing position, the valve plate closes the air inlet;
and the driving mechanism is connected with the valve plate and is used for driving the valve plate to rotate between the opening position and the closing position.
Preferably, the drive mechanism is provided on an outer side wall of the housing.
In the above technical scheme, the valve plate includes:
the valve plate body is connected with the driving assembly;
the flexible structure is arranged on the edge of the valve plate body, and when the valve plate is located at the closing position, the flexible structure seals a gap between the valve plate body and the inner wall of the shell.
Preferably, the edge of the valve plate body is provided with an installation groove; the flexible structure comprises a solid connecting part and a hollow abutting part connected with the solid connecting part, the solid connecting part is arranged in the mounting groove, when the valve plate is located at the closing position, the hollow abutting part is suitable for abutting against the inner wall of the shell.
The present invention also provides a rail vehicle comprising:
a main air duct;
a guest room;
according to the air duct structure of the railway vehicle, according to any technical scheme, the air inlet of the air duct structure is communicated with the main air duct, and the first air outlet and the second air outlet of the air duct structure are respectively communicated with the passenger room.
In the above-mentioned technical scheme, rail vehicle includes:
a vehicle compartment in which the passenger compartment is formed;
the passenger compartment top plate is positioned in the compartment and distributed at intervals with the upper wall of the compartment, and the main air duct is positioned above the passenger compartment top plate;
the side covers are positioned in the carriage and distributed at intervals with the side walls of the carriage, the side covers are in transitional connection with the top plate of the passenger room, and the air duct structure is arranged between the side covers and the carriage;
the lamp body is arranged on the side cover;
the window body is arranged on the side wall of the carriage;
the side cover is provided with a first opening and a second opening, the first opening is positioned above the lamp body and communicated with the first air outlet, and the second opening is positioned above the window body and communicated with the second air outlet.
In any of the above technical solutions, the rail vehicle has a plurality of the air duct structures, wherein,
at least one pair of the air duct structures are oppositely arranged on two sides of the main air duct;
and/or a plurality of the air duct structures are distributed along the length direction of the passenger compartment.
Among the above-mentioned technical scheme, rail vehicle still includes:
the branch air channel is positioned between the main air channel and the air channel structure and communicated with the main air channel and the air inlet;
an air return channel;
and the bypass air channel is communicated with the branch air channel and the return air channel, and is suitable for introducing partial airflow of the branch air channel into the return air channel.
Preferably, the bypass air duct is provided with a second air volume adjusting device for adjusting an air intake volume, the second air volume adjusting device is configured to control the air intake volume of the bypass air duct to decrease when the air intake volume of the air inlet of the air duct structure increases, and control the air intake volume of the bypass air duct to increase when the air intake volume of the air inlet of the air duct structure decreases.
The invention also provides a control method of the railway vehicle, which is suitable for controlling the railway vehicle according to any one of the technical schemes, and the control method comprises the following steps:
receiving an air volume adjusting instruction;
and controlling a first air volume adjusting device of the railway vehicle to work according to the received air volume adjusting instruction so as to adjust the air volume of an air inlet of the railway vehicle.
In the above technical solution, the method further comprises the following steps:
detecting the working state of the first air volume adjusting device;
when the first air volume adjusting device works to enable the air inlet volume of the air inlet to be increased, the second air volume adjusting device of the railway vehicle is controlled to work to adjust the air inlet volume of a bypass air channel of the railway vehicle to be decreased, and when the first air volume adjusting device works to enable the air inlet volume of the air inlet to be decreased, the second air volume adjusting device of the railway vehicle is controlled to work to adjust the air inlet volume of the bypass air channel of the railway vehicle to be increased.
Compared with the existing air duct with a single air outlet, the air duct structure provided by the invention is provided with the two air outlets which are distributed up and down, so that the length of the air duct is increased in the longitudinal direction, the air outlet efficiency of the air duct structure is effectively improved due to the design of the double air outlets, the air outlet quantity is multiplied, the ventilation efficiency of the passenger compartment of the railway vehicle is further improved, the refrigerating (or heating) speed of the passenger compartment is accelerated, the environment of the passenger compartment is improved, and the riding comfort of passengers is improved.
In addition, due to the improvement of the air outlet efficiency, the air duct structure can realize a miniaturized design, for example, the cross section area of the shell is designed to be smaller, the air duct structure can be better suitable for small-section rail vehicles under the condition of the same air outlet quantity, and aiming at the problems that the small-section rail vehicles are compact in structure and narrow in space, the air duct structure provided by the invention effectively reduces the occupied space while ensuring the air outlet quantity, so that other parts can be arranged on the small-section rail vehicles, and the space utilization rate is improved.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic perspective view of the air duct structure according to the present invention;
FIG. 2 is a schematic cross-sectional view of the air duct structure of the present invention;
FIG. 3 is a schematic perspective view of the valve plate according to the present invention;
FIG. 4 is a partial enlarged view of the portion A in FIG. 3;
FIG. 5 is a cross-sectional structural view of a portion of the structure of the railway vehicle in accordance with the present invention;
fig. 6 is another cross-sectional structural view of a partial structure of the railway vehicle according to the present invention.
In the figure: 100. an air duct structure; 110. a housing; 1101. an outer sidewall; 111. an air duct; 112. an air inlet; 113. a first air outlet; 114. a second air outlet; 120. a first air volume adjusting device; 121. a valve plate; 1211. a valve plate body; 12111. mounting grooves; 12112. a shaft hole; 1212. a flexible structure; 12121. a solid connection; 12122. a hollow abutting portion; 122. a drive mechanism; 123. a mounting structure;
200. a rail vehicle; 201. a main air duct; 202. a guest room; 203. a branch air duct; 204. an air return channel; 205. a bypass air duct; 206. a flexible connection air duct; 207. a static pressure chamber;
210. a carriage; 220. a passenger compartment ceiling; 230. a side cover; 231. a first mouth portion; 232. a second mouth portion; 240. a lamp body; 250. and (4) a window body.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail with reference to examples.
Example one
As shown in fig. 1 and fig. 2, a first aspect of the present invention provides an air duct structure 100 of a rail vehicle 200, where the air duct structure 100 includes a housing 110, an air duct 111 is formed in the housing 110, the housing 110 has an air inlet 112, a first air outlet 113, and a second air outlet 114, the air inlet 112 is adapted to communicate with the air duct 111 and a main air duct 201 of the rail vehicle 200, the first air outlet 113 and the second air outlet 114 are distributed vertically and are respectively configured to communicate with a passenger compartment 202 of the rail vehicle 200, and an air flow discharged into the air duct 111 from the air inlet 112 is discharged into the passenger compartment 202 through the first air outlet 113 and the second air outlet 114.
In the air duct structure 100 provided in this embodiment, two air outlets are disposed on the housing 110, the air flow enters the air duct 111 along the air inlet 112, and is discharged into the passenger compartment 202 of the rail vehicle 200 along the first air outlet 113 and the second air outlet 114, compared with the existing air duct 111 with a single air outlet, the air duct structure 100 designed in this embodiment has two air outlets, and the two air outlets are distributed vertically, so that the length of the air duct 111 is increased in the longitudinal direction, the design of the double air outlets effectively improves the air outlet efficiency of the air duct structure 100, realizes the doubling of the air outlet amount, and further improves the ventilation efficiency of the passenger compartment 202 of the rail vehicle 200, thereby accelerating the cooling (or heating) speed of the passenger compartment 202, improving the environment of the passenger compartment 202, and improving the riding comfort of passengers.
And, because the multiplication of air output, under the condition of the same air output, air duct structure 100 can realize miniaturized design, for example, the cross sectional area of design casing 110 is littleer, like this air duct structure 100 can be better be applicable to small section rail vehicle 200, to small section rail vehicle 200 compact structure, the narrow and small problem in space, air duct structure 100 of this embodiment is when guaranteeing the air output, occupation space has effectively been reduced, make small section rail vehicle 200 can arrange other spare parts, space utilization has been promoted.
For example, as shown in fig. 1 and 6, the air duct structure 100 is installed at the bent transition of the top wall and the side wall of the rail vehicle 200, in order to better adapt to the shape of the rail vehicle 200, the housing 110 is configured to be rectangular with open openings at both ends, and along the height direction of the housing 110, the housing 110 has a curvature, so that the housing 110 can better fit on the wall of the rail vehicle 200.
As shown in fig. 1 and 2, an opening at the upper end of the housing 110 is formed as an air inlet 112, an opening at the lower end of the housing 110 is formed as a second air outlet 114, and an opening is further formed on a side wall of the housing 110, and the opening is formed as a first air outlet 113, so that the structure is simple and the processing and manufacturing are convenient. And because the first air outlet 113 is arranged at the side of the housing 110, and the second air outlet 114 is arranged at the bottom of the housing 110, the direction of the air flow blown out from the first air outlet 113 is different from that of the air flow blown out from the second air outlet 114, so that the air outlet angle and the air outlet range of the air duct structure 100 are increased, and the use comfort of passengers is improved.
In some embodiments, the outer sidewall 1101 of the housing 110 is provided with a mounting structure 123, and the mounting structure 123 is used for mounting and fixing the housing 110 on the sidewall of the compartment 210 of the railway vehicle 200.
Example two
As shown in fig. 2, on the basis of the above embodiment, the present embodiment further defines: the air duct structure 100 of the rail vehicle 200 further includes a first air volume adjusting device 120, the first air volume adjusting device 120 is disposed at the air inlet 112, and the first air volume adjusting device 120 is adapted to adjust an air inlet volume of the air inlet 112.
In this embodiment, the first air volume adjusting device 120 is arranged to adjust the air intake volume of the air inlet 112, so that the air intake volume of the air inlet 112 can be set according to specific use requirements, and the air output volume of the two air outlets can be changed, so that the air outlet of the air outlets can better meet the use requirements, and the use comfort of passengers is improved. In addition, since the first air volume adjusting device 120 is disposed at the air inlet 112, the redundant air volume is blocked outside the air duct structure 100, so that the air duct structure can continue to be transported to other positions by the main air duct 201 or can be recycled, thereby avoiding waste of resources and improving the utilization rate of new, cold air or hot air.
Further, as shown in fig. 3, the first air volume adjusting device 120 includes a valve plate 121 and a driving mechanism 122, the valve plate 121 is rotatably disposed at the air inlet 112, the valve plate 121 has an open position and a closed position, when the valve plate 121 is located at the open position, the valve plate 121 opens the air inlet 112, when the valve plate 121 is located at the closed position, the valve plate 121 closes the air inlet 112, the driving mechanism 122 is connected to the valve plate 121, and the driving mechanism 122 is configured to drive the valve plate 121 to rotate between the open position and the closed position.
In this embodiment, the first air volume adjusting device 120 is arranged to include the valve plate 121 and the driving mechanism 122, the valve plate 121 has the advantages of simple structure, convenient processing and low cost, and the valve plate 121 can be better adapted to the inner wall of the casing 110, and when the valve plate 121 is located at the closing position, the valve plate 121 abuts against the inner wall of the casing 110 to close the air inlet 112, so as to avoid air leakage. The driving mechanism 122 drives the valve plate 121 to rotate between the opening position and the closing position, the air inlet volume of the air inlet 112 is adjusted by utilizing the rotation angle of the valve plate 121 controlled by the driving mechanism 122, the air outlet volume of the two air outlets is adjusted, the control is simpler, and the control accuracy is higher.
Preferably, the drive mechanism 122 is disposed on the outer sidewall 1101 of the housing 110.
For example, the driving structure includes a driving member (e.g., a motor) and a driving member (e.g., a rotating shaft), the valve plate 121 is provided with a shaft hole 12112 for installing the fixed driving member, the driving member passes through the shaft hole 12112 to connect with the valve plate 121, and the driving member is connected to the driving member, and the driving member drives the driving member to rotate, so as to drive the valve plate 121 to rotate.
EXAMPLE III
As shown in fig. 3 and 4, on the basis of the above embodiments, the present embodiment further defines: the valve plate 121 includes a valve plate body 1211 and a flexible structure 1212.
Specifically, the valve plate body 1211 is connected to the driving assembly, and the flexible structure 1212 is disposed on an edge of the valve plate body 1211, and when the valve plate 121 is located at the closed position, the flexible structure 1212 seals a gap between the valve plate body 1211 and an inner wall of the housing 110.
In this embodiment, the flexible structure 1212 is disposed at the edge of the valve plate body 1211, and on one hand, the flexible structure 1212 seals the valve plate 121 and the inner wall of the housing 110, so as to ensure the sealing performance of the valve plate 121 when closed, and avoid air leakage or abnormal noise. On the other hand, the flexible structure 1212 between the valve plate 121 and the inner wall of the housing 110 is implemented by the flexible structure 1212, so that the situation that the inner wall of the housing 110 is scratched in the rotation process of the valve plate 121 is avoided, and the service life of the housing 110 is prolonged.
For example, the flexible structure 1212 is a rubber or silicone member
In some embodiments, as shown in fig. 4, the edge of the valve plate body 1211 is provided with a mounting groove 12111, the flexible structure 1212 includes a solid connecting portion 12121 and a hollow abutting portion 12122 connected to the solid connecting portion 12121, the solid connecting portion 12121 is disposed in the mounting groove 12111, and when the valve plate 121 is in the closed position, the hollow abutting portion 12122 is adapted to abut against the inner wall of the housing 110.
The solid connecting portion 12121 is used for increasing the connection reliability between the flexible structure 1212 and the valve plate body 1211, so that the situation that the flexible structure 1212 is displaced and loosened during the process of repeated rotation of the valve plate 121 is avoided, and the sealing reliability of the valve plate 121 is further ensured. The hollow abutting portion 12122 has a larger deformation capacity, and when the valve plate 121 is closed, the hollow abutting portion 12122 has a larger resilience force, so that the valve plate can abut against the inner wall of the housing 110 more tightly, and the sealing performance of the valve plate 121 when closed is further ensured.
The present invention further provides a rail vehicle 200, as shown in fig. 5 and fig. 6, the rail vehicle 200 includes a main air duct 201, a passenger compartment 202 and the air duct structure 100 according to any of the above embodiments, an air inlet 112 of the air duct structure 100 is communicated with the main air duct 201, and a first air outlet 113 and a second air outlet 114 of the air duct structure 100 are respectively communicated with the passenger compartment 202.
Specifically, the main air duct 201 is an air supply duct, and is arranged along the longitudinal direction of the rail vehicle 200, the air duct structure 100 is an air inducing duct, and the air duct structure 100 introduces air in the main air duct 201 after heat exchange with an evaporator of the air conditioning unit into the passenger compartment 202, so as to realize ventilation of the passenger compartment 202.
Further, the railway vehicle 200 includes a vehicle compartment 210, a passenger compartment ceiling 220, a side cover 230, a lamp body 240, and a window 250.
Specifically, the vehicle compartment 210 is formed with a passenger compartment 202, a passenger compartment ceiling 220 is positioned in the vehicle compartment 210 and is distributed at intervals with the upper wall of the vehicle compartment 210, the main air duct 201 is positioned above the passenger compartment ceiling 220, the side cover 230 is positioned in the vehicle compartment 210 and is distributed at intervals with the side wall of the vehicle compartment 210, the side cover 230 is in transitional connection with the passenger compartment ceiling 220, the air duct structure 100 is arranged between the side cover 230 and the vehicle compartment 210, and the lamp body 240 is arranged on the side cover 230; the window 250 is provided on the side wall of the vehicle compartment 210; the side cover 230 has a first opening 231 and a second opening 232, the first opening 231 is located above the lamp body 240 and is communicated with the first outlet 113, and the second opening 232 is located above the window 250 and is communicated with the second outlet 114.
In this embodiment, the side cover 230 is formed with a first opening 231 and a second opening 232, the first opening 231 is located above the lamp body 240 and communicates with the first air outlet 113, the second opening 232 is located above the window 250 and communicates with the second air outlet 114, it can be understood that the direction of the air flow discharged from the first opening 231 is from top to bottom, and the direction of the air flow discharged from the second opening 232 is horizontal, on one hand, the air outlet angle and the air outlet range of the air duct structure 100 are increased, on the other hand, the two air flows mutually swirl and collide at the intersection, so that the air flows are mutually scattered and weakened, thereby avoiding cold (or) hot air flow from directly blowing human body, realizing softer air outlet, and improving the use experience of passengers.
In some embodiments, the rail vehicle 200 has a plurality of air duct structures 100, wherein at least one pair of air duct structures 100 is disposed on opposite sides of the main air duct 201.
In some embodiments, the rail vehicle 200 has a plurality of air duct structures 100, the plurality of air duct structures 100 being distributed along the length of the passenger compartment 202.
In some embodiments, the rail vehicle 200 further comprises: a branch duct 203, a return air duct 204, and a bypass duct 205.
Specifically, the branch duct 203 is disposed between the main duct 201 and the duct structure 100 and communicates the main duct 201 with the intake opening 112, the bypass duct 205 communicates the branch duct 203 with the return duct 204, and the bypass duct 205 is adapted to introduce a portion of the airflow of the branch duct 203 into the return duct 204. The bypass air duct 205 is provided with a second air volume adjusting device for adjusting the air volume, the second air volume adjusting device is configured to control the air volume of the bypass air duct 205 to decrease when the air volume at the air inlet 112 of the air duct structure 100 increases, and control the air volume of the bypass air duct 205 to increase when the air volume at the air inlet 112 of the air duct structure 100 decreases.
In the present embodiment, the bypass air duct 205 is used to introduce the airflow in the branch air duct 203 for being discharged into the air duct structure 100 into the return air duct 204, wherein the air inlet 112 of the bypass air duct 205 is much smaller than the air inlet 112 of the air duct structure 100, so that it can be ensured that most of the airflow entering the branch air duct 203 from the main air duct 201 enters the air duct structure 100, and the reverse suction of the bypass air duct 205 is prevented.
The bypass duct 205 is communicated with the return air channel 204 of the air conditioning unit, and the bypass duct 205 is an outlet of the air duct structure 100 with the air inlet 112 reduced or closed by the surplus air, that is, the surplus air which is not sent into the passenger compartment 202 through the first air outlet 113 and the second air outlet 114 enters the return air channel 204 of the air conditioning unit from the bypass duct 205, and then directly returns to the air conditioning unit without participating in the air circulation in the compartment 210. Because the residual air volume directly returns to the air conditioning unit, the heat load of the air conditioning unit can be reduced, and the efficiency of the air conditioning unit is improved. The return air duct 204 may be disposed along the longitudinal length of the vehicle body and may pass through each passenger compartment 202 in the passenger compartment 210, which may reduce the length of the connecting duct and may simplify the construction of the air supply system for each compartment 210.
The invention also provides a control method of the railway vehicle 200, which is suitable for controlling the railway vehicle 200 according to any one of the embodiments, and the control method comprises the following steps:
receiving an air volume adjusting instruction;
and controlling the first air volume adjusting device 120 of the rail vehicle 200 to work according to the received air volume adjusting instruction so as to adjust the air volume of the air inlet 112 of the rail vehicle 200.
Further, the method also comprises the following steps:
detecting the working state of the first air volume adjusting device 120;
when the first air volume adjusting device 120 works to increase the air intake volume of the air inlet 112, the second air volume adjusting device of the rail vehicle 200 is controlled to work to adjust the air intake volume of the bypass air duct 205 of the rail vehicle 200 to decrease, and when the first air volume adjusting device 120 works to decrease the air intake volume of the air inlet 112, the second air volume adjusting device of the rail vehicle 200 is controlled to work to adjust the air intake volume of the bypass air duct 205 of the rail vehicle 200 to increase.
One embodiment
The invention provides a railway vehicle 200, wherein the railway vehicle 200 is provided with an air supply system, and the air supply system comprises a main air duct 201, a bypass air duct 205, a flexible connection air duct 206, an electric adjustable air duct (namely an air duct structure 100), an upper air supply strip seam (namely a first opening part 231), a lower air supply air nozzle (namely a second opening part 232) and the like.
As shown in fig. 1 to 6, the main duct 201 is connected to the air conditioning unit, and is disposed in a space above a roof panel (i.e., a passenger compartment roof panel 220) throughout the length thereof, for conveying ventilation air fed from the air conditioning unit. A branch air duct 203 is arranged at the side of the main air duct 201, one end of the branch air duct 203 is communicated with the main air duct 201, and the other end is communicated with the electric adjustable air duct through a flexible connection air duct 206.
A static pressure cavity 207 is also arranged between the main air duct 201 and the branch air duct 203.
The electric adjustable air duct comprises an air duct body (namely, the shell 110), an air valve, a mounting seat, a connecting flange, a first air outlet 113, a second air outlet 114 and the like, wherein an air inlet 112 is formed at the connecting flange, the connecting flange is used for being connected with the flexible connecting air duct 206, the first air outlet 113 is positioned above the second air outlet 114, the first air outlet 113 is communicated with an upper air supply strip seam (arranged on an internal structure), and the second air outlet 114 is communicated with a lower air supply air nozzle (arranged on the internal structure), so that air supply of the passenger room 202 is realized.
The air valve comprises a valve plate 121 and a servo motor, the valve plate 121 is arranged in the air duct body, the servo motor is arranged on the outer wall surface of the air duct body, the servo motor is controlled by an air valve controller, and the air volume can be manually or automatically controlled according to needs. The valve plate 121 is connected with the servo motor through the rotating shaft, the servo motor drives the rotating shaft to act, and the valve plate 121 acts along with the rotating shaft, so that the purpose of adjusting the air volume is achieved.
As shown in fig. 4-3, the valve sheet 121 includes a valve sheet body 1211, a flexible structure of the edge of the valve sheet, a shaft through hole 12112, a shaft fixing hole, and the like. The valve body 1211 is driven by a rotating shaft and a servo motor connected with the valve body 1211, and the flexible structure at the edge of the valve body is suitable for contacting with the air duct body, so that the sealing and buffering effects are achieved, the sealing performance of the valve body 121 during closing is ensured, and air leakage or abnormal noise is avoided. In addition, the joint of the flexible structure at the edge of the valve plate and the valve plate body 1211 is a solid cylinder, and the contact position of the valve plate edge and the air duct body is a hollow cylinder, so that on one hand, the connection strength can be ensured, and on the other hand, the flexibility and the ductility can be enhanced, and the purpose of sealing is achieved.
The electric adjustable air duct is provided with a mounting seat and is mounted on a side wall sliding groove of the rail vehicle 200 through a bolt.
The bypass air duct 205 is disposed on the branch air duct 203, and the air valve disposed on the bypass air duct 205 acts synchronously with the air valve disposed on the electrically adjustable air duct, so that when the opening degree of the air valve of the electrically adjustable air duct is increased, the opening degree of the air valve disposed on the bypass air duct 205 is decreased, and vice versa.
The electric adjustable air duct is provided with two air supply outlets, wherein the first air supply outlet at the upper part supplies air through a strip seam between the top plate and the side cover 230, and the second air supply outlet at the lower part supplies air through an air nozzle arranged on an internal mounting structure at the upper part of the window, so that the space utilization rate of vehicle equipment installation is improved. And the device is connected with the side top strip seam and the side wall air nozzle to realize air supply in the area or the position, has compact structure and makes full use of the arrangement characteristic of the equipment in the vehicle.
According to the invention, the edge of the valve plate 121 is provided with the valve plate edge flexible structure, so that the phenomenon that the rotating shaft is broken due to the action of the servo motor after the valve plate 121 is closed can be avoided; meanwhile, the sealing performance of the valve plate 121 can be ensured, and the problem of air leakage or abnormal sound after the valve plate 121 is closed can be effectively prevented; the valve block edge flexible structure arranged at the edge of the valve block 121 is connected in a matched mode through the cylindrical structure, and the problems of falling off and the like can be effectively prevented.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An air duct structure of a railway vehicle, characterized by comprising:
a housing, wherein an air duct is formed in the housing, the housing has an air inlet, a first air outlet and a second air outlet, the air inlet is suitable for communicating the air duct and the main air duct of the rail vehicle, the first air outlet and the second air outlet are distributed up and down and are respectively configured to be communicated with a passenger compartment of the rail vehicle,
and the airflow discharged into the air duct from the air inlet is discharged into the passenger room through the first air outlet and the second air outlet.
2. The air duct structure of a railway vehicle according to claim 1, further comprising:
the first air volume adjusting device is arranged at the air inlet and is suitable for adjusting the air inlet volume of the air inlet.
3. The air duct structure of a railway vehicle according to claim 2, wherein the first air volume adjusting device comprises:
the valve plate is rotatably arranged at the air inlet and provided with an opening position and a closing position, when the valve plate is positioned at the opening position, the valve plate opens the air inlet, and when the valve plate is positioned at the closing position, the valve plate closes the air inlet;
the driving mechanism is connected with the valve plate and is used for driving the valve plate to rotate between the opening position and the closing position;
preferably, the drive mechanism is provided on an outer side wall of the housing.
4. The air duct structure of railway vehicle according to claim 3, wherein the valve sheet comprises:
the valve plate body is connected with the driving assembly;
the flexible structure is arranged at the edge of the valve plate body, and when the valve plate is positioned at the closing position, the flexible structure seals a gap between the valve plate body and the inner wall of the shell;
preferably, the edge of the valve plate body is provided with an installation groove; the flexible structure comprises a solid connecting part and a hollow abutting part connected with the solid connecting part, the solid connecting part is arranged in the mounting groove, when the valve plate is located at the closing position, the hollow abutting part is suitable for abutting against the inner wall of the shell.
5. A rail vehicle, comprising:
a main air duct;
a guest room;
the air duct structure of the railway vehicle as claimed in any one of claims 1 to 4, wherein an air inlet of the air duct structure is communicated with the main air duct, and a first air outlet and a second air outlet of the air duct structure are respectively communicated with the passenger compartment.
6. The rail vehicle of claim 5, characterized in that the rail vehicle comprises:
a vehicle compartment in which the passenger compartment is formed;
the passenger compartment top plate is positioned in the compartment and distributed at intervals with the upper wall of the compartment, and the main air duct is positioned above the passenger compartment top plate;
the side covers are positioned in the carriage and distributed at intervals with the side walls of the carriage, the side covers are in transitional connection with the top plate of the passenger room, and the air duct structure is arranged between the side covers and the carriage;
the lamp body is arranged on the side cover;
the window body is arranged on the side wall of the carriage;
the side cover is provided with a first opening and a second opening, the first opening is positioned above the lamp body and communicated with the first air outlet, and the second opening is positioned above the window body and communicated with the second air outlet.
7. Rail vehicle according to claim 5 or 6,
the rail vehicle has a plurality of the air duct structures, wherein,
at least one pair of the air duct structures are oppositely arranged on two sides of the main air duct;
and/or a plurality of the air duct structures are distributed along the length direction of the passenger compartment.
8. The rail vehicle according to claim 5 or 6, characterized by further comprising:
the branch air channel is positioned between the main air channel and the air channel structure and communicated with the main air channel and the air inlet;
an air return channel;
the bypass air channel is communicated with the branch air channel and the return air channel, and the bypass air channel is suitable for introducing partial airflow of the branch air channel into the return air channel;
preferably, the bypass air duct is provided with a second air volume adjusting device for adjusting an air intake volume, the second air volume adjusting device is configured to control the air intake volume of the bypass air duct to decrease when the air intake volume of the air inlet of the air duct structure increases, and control the air intake volume of the bypass air duct to increase when the air intake volume of the air inlet of the air duct structure decreases.
9. A control method of a rail vehicle, adapted to control a rail vehicle according to any one of claims 5 to 8, characterized in that the control method comprises the steps of:
receiving an air volume adjusting instruction;
and controlling a first air volume adjusting device of the railway vehicle to work according to the received air volume adjusting instruction so as to adjust the air volume of an air inlet of the railway vehicle.
10. The control method of a railway vehicle as claimed in claim 9, further comprising the steps of:
detecting the working state of the first air volume adjusting device;
when the first air volume adjusting device works to enable the air inlet volume of the air inlet to be increased, the second air volume adjusting device of the railway vehicle is controlled to work to adjust the air inlet volume of a bypass air channel of the railway vehicle to be decreased, and when the first air volume adjusting device works to enable the air inlet volume of the air inlet to be decreased, the second air volume adjusting device of the railway vehicle is controlled to work to adjust the air inlet volume of the bypass air channel of the railway vehicle to be increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010745103.6A CN112550328A (en) | 2020-07-29 | 2020-07-29 | Air duct structure of railway vehicle, railway vehicle and control method of railway vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010745103.6A CN112550328A (en) | 2020-07-29 | 2020-07-29 | Air duct structure of railway vehicle, railway vehicle and control method of railway vehicle |
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| CN112550328A true CN112550328A (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010745103.6A Pending CN112550328A (en) | 2020-07-29 | 2020-07-29 | Air duct structure of railway vehicle, railway vehicle and control method of railway vehicle |
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| CN113460103A (en) * | 2021-08-11 | 2021-10-01 | 玉环县兴发动力有限公司 | Adjustable air outlet for train air conditioner |
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Application publication date: 20210326 |