CN215904489U - Rail vehicle air supply unit and rail vehicle - Google Patents
Rail vehicle air supply unit and rail vehicle Download PDFInfo
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- CN215904489U CN215904489U CN202121980386.9U CN202121980386U CN215904489U CN 215904489 U CN215904489 U CN 215904489U CN 202121980386 U CN202121980386 U CN 202121980386U CN 215904489 U CN215904489 U CN 215904489U
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Abstract
The utility model relates to a rail vehicle air supply unit and a rail vehicle, which comprise a shell, wherein an air supply blower is arranged in the shell, an air inlet and an air outlet are arranged on the shell, the air supply blower is arranged on an installation plate, the installation plate is fixed on the shell, an inner cavity is divided into a blower cavity and an air supply cavity by the installation plate, the blower cavity is communicated with the air inlet, the air supply cavity is communicated with the air outlet, the air supply blower is arranged in the blower cavity, an outlet of the air supply blower is communicated with the air supply cavity, an included angle is formed between the air outlet direction of the air supply blower and the plane of the air outlet, and the included angle is larger than 0 degree and smaller than 90 degrees. The utility model is beneficial to reducing the air supply noise and the air kinetic energy loss, and meanwhile, the structure size is more compact, and the volume and the weight can be reduced.
Description
Technical Field
The utility model belongs to the technical field of air conditioning of railway vehicles, and particularly relates to an air supply unit of a railway vehicle for supplying air into a carriage, and the railway vehicle provided with the air supply unit.
Background
Subway trains have become one of important transportation means for people to go out in large cities, and air conditioning equipment is mounted on the subway trains in order to improve riding comfort. Generally, unit type air conditioning units are installed in passenger compartment carriages, air supply units are installed in driver's cabs separately, air blowers are installed in the air supply units, and air inlets of the air supply units are communicated with passenger compartment air ducts of the adjacent passenger compartment air conditioning units. When the air conditioner is used, air treated by the passenger room air conditioning unit is sucked by the air feeder from the air inlet and is sent out from the air outlet to the driver room for drivers to use, a comfortable working environment is provided for the drivers, and the air quantity adjustment and the air outlet direction adjustment of the drivers are facilitated.
Just disclose a subway air supply unit for driver's cab in the patent of patent No. 201320291689.9, it has the casing, open casing one side has the air inlet wind gap, the inner chamber of casing divide into first cavity, the second cavity, first cavity communicates with each other with the air inlet wind gap, install the forced draught blower in the first cavity, the export and the second cavity of forced draught blower communicate with each other, be stamped the apron on the inner chamber of casing, the air outlet has been seted up on the apron, the air outlet communicates with each other with the second cavity, the forced draught blower sends out the inspiratory wind in air inlet wind gap through the second cavity by the air outlet.
Among the foretell air supply unit, the mount pad of forced draught blower is generally the vertical installation in the casing, and the air supply angle of forced draught blower air outlet and the air-out angle of air outlet on the apron are more than or equal to 90, and the air supply machine will accomplish the air supply, just can send out after turning over 90 degrees at least with wind flow line angle for produce great vortex in the second cavity, increased the gas flow resistance, simultaneously because the more wind speed of vortex is uneven also can lead to the noise great, and kinetic energy loss also increases moreover. At this time, in order to ensure the air output of the air supply unit, a large-size volute needs to be selected, so that the size and the weight of the air supply unit are increased, the cost is increased, more space in the vehicle is occupied, and the higher requirement of light weight of the vehicle cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing an air supply unit of a railway vehicle, which is beneficial to reducing air supply noise and reducing the loss of wind kinetic energy, has more compact structural size and can reduce volume and weight, and also provides a railway vehicle provided with the air supply unit.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model provides a rail vehicle air supply unit, includes the casing, installs the forced draught blower in the casing, is provided with air intake and air outlet on the casing, the forced draught blower is installed on the mounting panel, the mounting panel is fixed on the casing, the mounting panel divide into fan chamber and air supply chamber with the inner chamber, the fan chamber communicates with each other with the air intake, the air supply chamber communicates with each other with the air outlet, the forced draught blower is installed in the fan chamber, the export of forced draught blower communicates with each other with the air supply chamber, the air-out direction of forced draught blower with the contained angle has between the plane at air outlet place, the contained angle is greater than 0 and is less than 90.
Further, the mounting panel with forced draught blower spiral case export flange fixed connection, the mounting panel slope is installed in the casing.
Furthermore, the mounting plate is of a split structure and comprises a first mounting plate and a second mounting plate;
the first mounting plate is a fixing plate and is fixedly connected with the shell;
the second mounting panel is the fly leaf, passes through fastener fixed connection with forced draught blower spiral case export flange, passes through fastener fixed connection between second mounting panel and the first mounting panel and the casing respectively.
Further, first mounting panel and second mounting panel set up from top to bottom, first mounting panel wholly is U-shaped frame structure, and the second mounting panel inlays in U-shaped frame and first mounting panel fixed connection.
Further, the air inlet is arranged on a side plate of the fan cavity shell, and the air outlet is arranged on a bottom plate and/or a side plate of the air supply cavity shell.
Further, the air outlet arranged on the bottom plate is a square air outlet, and the air outlet arranged on the side plate is one or more circular air outlets.
Furthermore, a detachable air supply cover plate is arranged at the air outlet, the air outlet is formed in the air supply cover plate, and the air supply cover plate is fixedly connected with the shell through a fastening piece.
Furthermore, the bottom plate is used as a detachable air supply cover plate and is fixed on the shell through a fastening piece.
Further, the detachable air inlet frame is installed at the air inlet and is fixed on the shell through a fastening piece.
The other technical scheme of the utility model is as follows:
a rail vehicle comprises a driver cab and a passenger room, wherein the driver cab is internally provided with an air supply unit, and an air inlet of the air supply unit is connected with an air supply duct of a passenger room air conditioning unit.
In summary, the air supply unit for a rail vehicle and the rail vehicle according to the present invention have the following advantages compared with the prior art:
(1) the air supply unit is obliquely arranged in the shell, the air outlet direction of the air supply unit forms an included angle with the plane of the air outlet, the air outlet angle of the air supply unit is optimized, and a small air supply angle and an air supply outlet angle are formed, so that the air supply streamline in the air supply unit is smoother, the noise and the resistance in the cavity of a vortex region are reduced, the loss of wind kinetic energy is less, meanwhile, the required volute of the fan is small, the structural size of the air supply unit is more compact, the weight reduction is facilitated, and the cost can be reduced.
(2) The detachable air supply cover plate structure and the split structure of the mounting plate are adopted, so that enough mounting space is provided for mounting the air supply blower, the air supply blower is greatly convenient to mount and dismount, manpower and material resources are saved, and the daily maintenance is facilitated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model 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.
FIG. 1 is a schematic view of the structure of an air supply unit according to the present invention;
FIG. 2 is a schematic view of an air outlet direction of the air supply unit according to the present invention;
FIG. 3 is a schematic view of the housing of the blower unit of the present invention (with the bottom plate removed);
FIG. 4 is a schematic view of the blower configuration of the present invention;
FIG. 5 is a schematic view of the structure of the cover plate of the present invention.
As shown in fig. 1 to 5, a casing 1, a side plate 1a, a bottom plate 1b, a side plate 1c, a blower 2, an air inlet 3, an air outlet 4, a mounting plate 5, a first mounting plate 5a, a second mounting plate 5b, a blower cavity 6, an air supply cavity 7, an air pipe 8, an outlet flange 9, bolts 10, an air inlet frame 11, bolts 12, a mounting seat 13, and bolts 14.
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.
As shown in fig. 1 to 5, the present invention provides a rail vehicle air supply unit installed in a cabin of a rail vehicle for adjusting air temperature and humidity in the cabin.
The air supply unit comprises a shell 1, the whole shell 1 is of a square box structure, an air feeder 2 is installed in the shell 1, an air inlet 3 and an air outlet 4 are arranged on the shell 1, the air inlet 3 is connected with an air supply duct (not shown in the figure) of an adjacent carriage through a pipeline, the air outlet 4 is connected with an air supply outlet (not shown in the figure) in a cab through a pipeline, air treated by an air conditioning unit installed in the adjacent carriage enters the air supply unit through the air supply duct and is discharged from the air outlet 3 under the action of the air feeder 2, and air is supplied to the cab. A plurality of mounting seats 13 are mounted on the outer side of the housing 1, and the mounting seats 13 are fixed to a vehicle body structure (not shown) on the top of the cab by bolts.
In this embodiment, the blower 2 is fixedly mounted on the mounting plate 5, the blower 2 is hermetically connected with the mounting plate 5, the periphery of the mounting plate 5 is also hermetically and fixedly connected with the casing 1, the mounting plate 5 divides the inner cavity of the casing 1 into a blower cavity 6 and a blowing cavity 7, the blower cavity 6 is communicated with the air inlet 3, the blowing cavity 7 is communicated with the air outlet 4, the blower 2 is mounted in the blower cavity 6, and the outlet of the blower 2 is communicated with the blowing cavity 7.
The air outlet 4 is arranged on a bottom plate 1b or a side plate 1c of the shell of the air supply cavity 7, and the side plate 1c provided with the air outlet 4 is arranged opposite to the side plate 1a provided with the air inlet 3. In this embodiment, it is more preferable that the air outlet 4 is provided in both the bottom plate 1b and the side plate 1c of the casing of the air blowing chamber 7. The air outlet 4 arranged on the bottom plate 1b is a square air outlet, the air outlet 4 arranged on the side plate 1c is one or more circular air outlets, and the air outlet 4 is connected with the cylindrical air pipe 8.
As shown in fig. 1 and 2, in the present embodiment, the air outlet direction of the blower 2 is preferably set to have an angle (not shown) with the plane where the air outlet 4 is located, the angle is greater than 0 ° and smaller than 90 °, and the air outlet 4 refers to the air outlet 4 on the bottom plate 1b and the side plate 1 c. Through the setting of contained angle, the air-out angle of forced draught blower 2 has been optimized, because forced draught blower 2's rotation produces pressure, make wind by air intake 3, 2 turbines of forced draught blower through fan chamber 3, the spiral case, supply air to air supply chamber 4 in by the terminal diffuser section of spiral case, flow to the driver's cabin by side air outlet 4 and air outlet 4 of below again, make the interior air supply streamline of air supply unit more smooth, the regional noise of vortex in air supply chamber 4 has been reduced, and simultaneously, the intracavity resistance has also been reduced, the loss of wind kinetic energy has been reduced, make the air supply noise reduce, air supply efficiency promotes. In addition, the air supply path is more reasonable, so that the required volume of the volute of the air blower is reduced, and the structure of the air supply unit is more compact.
In this embodiment, it is more preferable that the air supply angle of the air blower 2 is optimized by obliquely installing the mounting plate 5 in the casing 1, the mounting plate 5 is inclined upward from the bottom plate 1b toward the side plate 1c, an included angle θ is formed between the mounting plate 5 and the bottom plate 1b, the included angle θ is greater than 0 ° and smaller than 90 °, the mounting plate 5 is fixedly connected with the volute outlet flange 9 of the air blower 2 by a plurality of bolts 10, and after the arrangement, an included angle smaller than 90 ° is formed between the air supplied by the air blower 2 and the side plate 1c and the bottom plate 1 b. The inclination angle of the mounting plate 5 can be adjusted according to the size of the blower 2 and the opening area of the lower outlet 4.
As shown in fig. 3 to 5, in order to facilitate the attachment and detachment of the internal structure of the blower 2, in the present embodiment, it is preferable that a detachable blower cover plate 12 is provided at the air outlet 4 of the bottom plate 1b, and the air outlet 4 is provided in the blower cover plate 12, so that when the internal structure of the blower 2 is attached, the blower cover plate 12 can be detached first, and the blower 2 and other structures can be attached to the casing 1 through the opening of the blower cover plate 12.
In this embodiment, it is more preferable that the entire bottom plate 1b is a detachable blowing cover plate 12, four sides of the bottom plate 1b have upward folded edges, and the folded edges are fixed to the casing 1 by fasteners such as bolts 14, thereby realizing the fixed connection between the bottom plate 1b and the casing 1. When the installation is carried out, the bottom plate 1b is detached, the internal structure of the blower 5 and the like extends into the shell 1 from the opening of the bottom, and finally the bottom plate 1b is fixed.
In order to further facilitate the assembly and disassembly of the blower 2, the mounting plate 5 is a split structure and comprises a first mounting plate 5a and a second mounting plate 5 b. The first mounting plate 5a serves as a fixing plate and is fixedly connected to the housing 1, and the fixed connection may be achieved by welding or by bolting. The second mounting plate 5b is used as a detachable movable plate and is fixedly connected with the volute outlet flange 9 of the blower 2 through bolts 10, and the second mounting plate 5b is fixedly connected with the first mounting plate 5a and the shell 1 through bolts 12 respectively. The bottom of the second mounting plate 5b is provided with a folded edge, so that the second mounting plate is conveniently and fixedly connected with the shell 1.
In this embodiment, the first mounting plate 5a and the second mounting plate 5b are preferably arranged up and down, and more preferably, the first mounting plate 5a is integrally U-shaped frame structure, and the second mounting plate 5b is embedded in the U-shaped frame and fixedly connected with the first mounting plate 5a through bolts 12.
During assembly, the first mounting plate 5a is fixed on the inner wall of the casing 1 by welding, the second mounting plate 5b is fixedly connected with the volute outlet flange 9 of the blower 2 by bolts 10, the whole body extends into the casing 1 from the opening of the bottom plate 1b, and the second mounting plate 5b is fixedly connected with the first mounting plate 5a and the casing 1 by bolts 12.
In order to ensure the sealing isolation between the fan chamber 3 and the blowing chamber 4, a layer of sealing gasket (not shown) is arranged between the second mounting plate 5b and the first mounting plate 5a, between the second mounting plate 5b and the volute outlet flange 9, and between the second mounting plate 5b and the casing 1.
This air supply unit installs 2 slope of forced draught blower in casing 1, the air-out direction of forced draught blower 2 forms the contained angle with the plane of air outlet 4 place, the air-out angle of forced draught blower 2 has been optimized, form less air supply angle and supply-air outlet angle, not only make the interior air supply streamline of air supply unit more smooth, the noise and the intracavity resistance of vortex region have been reduced, the loss of wind kinetic energy is less, simultaneously, also make required fan spiral case less, make air supply unit's structural dimension compacter, be favorable to subtracting the heavy, and can reduce cost. .
In addition, this air supply unit provides sufficient installation space for the installation of forced draught blower 2 through adopting detachable air supply apron 12 structure and designing into the structure of components of a whole that can function independently with mounting panel 5, has greatly made things convenient for the dismouting of forced draught blower 2, has practiced thrift manpower and materials, the routine maintenance of being convenient for.
The utility model also provides a railway vehicle which comprises a driver cab and a passenger room (not shown in the figure), wherein the air supply unit is arranged in the driver cab, and an air inlet 3 of the air supply unit is connected with an air supply duct of the passenger room air conditioning unit.
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 utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a rail vehicle air supply unit, includes the casing, installs the forced draught blower in the casing, is provided with air intake and air outlet, its characterized in that on the casing: the air feeder is installed on the installation plate, the installation plate is fixed on the shell, the installation plate divides the inner cavity into a fan cavity and an air supply cavity, the fan cavity is communicated with the air inlet, the air supply cavity is communicated with the air outlet, the air feeder is installed in the fan cavity, the outlet of the air feeder is communicated with the air supply cavity, an included angle is formed between the air outlet direction of the air feeder and the plane where the air outlet is located, and the included angle is larger than 0 degree and smaller than 90 degrees.
2. A rail vehicle air supply unit as claimed in claim 1, characterized in that: the mounting panel with forced draught blower spiral case export flange fixed connection, the mounting panel slope is installed in the casing.
3. A rail vehicle air supply unit as claimed in claim 2, characterized in that: the mounting plate is of a split structure and comprises a first mounting plate and a second mounting plate;
the first mounting plate is a fixing plate and is fixedly connected with the shell;
the second mounting panel is the fly leaf, passes through fastener fixed connection with forced draught blower spiral case export flange, passes through fastener fixed connection between second mounting panel and the first mounting panel and the casing respectively.
4. A rail vehicle air supply unit as claimed in claim 3, characterized in that: the first mounting plate and the second mounting plate are arranged from top to bottom, the first mounting plate is integrally of a U-shaped frame structure, and the second mounting plate is embedded in the U-shaped frame and fixedly connected with the first mounting plate.
5. A rail vehicle air supply unit according to any one of claims 1-4, characterized in that: the air inlet is arranged on a side plate of the fan cavity shell, and the air outlet is arranged on a bottom plate and/or a side plate of the air supply cavity shell.
6. A rail vehicle air supply unit as claimed in claim 5, wherein: the air outlet arranged on the bottom plate is a square air outlet, and the air outlet arranged on the side plate is one or more circular air outlets.
7. A rail vehicle air supply unit as claimed in claim 5, wherein: the air outlet is provided with a detachable air supply cover plate, the air outlet is formed in the air supply cover plate, and the air supply cover plate is fixedly connected with the shell through a fastening piece.
8. A rail vehicle air supply unit as claimed in claim 7, wherein: the bottom plate is used as a detachable air supply cover plate and is fixed on the shell through a fastening piece.
9. A rail vehicle air supply unit as claimed in claim 5, wherein: the detachable air inlet frame is installed at the air inlet and is fixed on the shell through a fastening piece.
10. The utility model provides a rail vehicle, includes cab and guest room, its characterized in that: an air supply unit according to any one of claims 1-9 is installed in the driver's cab, and an air inlet of the air supply unit is connected with an air supply duct of the passenger compartment air conditioning unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121980386.9U CN215904489U (en) | 2021-08-23 | 2021-08-23 | Rail vehicle air supply unit and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121980386.9U CN215904489U (en) | 2021-08-23 | 2021-08-23 | Rail vehicle air supply unit and rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215904489U true CN215904489U (en) | 2022-02-25 |
Family
ID=80292311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121980386.9U Active CN215904489U (en) | 2021-08-23 | 2021-08-23 | Rail vehicle air supply unit and rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215904489U (en) |
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2021
- 2021-08-23 CN CN202121980386.9U patent/CN215904489U/en active Active
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