CN212267477U - Air supply device and vehicle with same - Google Patents
Air supply device and vehicle with same Download PDFInfo
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- CN212267477U CN212267477U CN202020696280.5U CN202020696280U CN212267477U CN 212267477 U CN212267477 U CN 212267477U CN 202020696280 U CN202020696280 U CN 202020696280U CN 212267477 U CN212267477 U CN 212267477U
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Abstract
The utility model relates to an air supply device and have its vehicle, including the box air intake and air exit have been seted up on the curb plate of box the air intake department of box installs one-level filter equipment the below of one-level filter equipment is provided with the dust collecting chamber of box the air exit department of box sets up the second grade filter equipment install spiral case fan and dust exhausting fan in the box, the income wind gap of spiral case fan is airtight through airtight wind channel and the air intake of box, the air outlet of spiral case fan and the air exit of box are airtight set up the mouth of arranging sand on the box, dust exhausting fan's income wind gap and air outlet with the play dirt mouth and the mouth of arranging sand in dust collecting chamber are airtight. The utility model discloses realize air feed device's directional induced air, not only be favorable to improving filtration and air feed effect, still be favorable to air feed device's daily clearance and maintenance simultaneously, reduce the maintenance cost.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle, in particular to a vehicle that is used for filtering to arrange air feed device of husky and has it.
Background
An equipment cabin is generally arranged below a vehicle body of the railway vehicle, and equipment below the vehicle is arranged in the equipment cabin so as to protect the equipment below the vehicle from being damaged by stone impact and freezing. The degree of cleanliness of the air entering the equipment compartment directly affects the service life of the equipment within the compartment and therefore fine filtration of the air entering the equipment compartment is necessary. Particularly, for rail vehicles operating in high and cold, strong wind and sand and high-temperature environments, wind and sand entering equipment without filtration easily causes damage to the rail vehicles, influences the normal work of the equipment and has adverse effects on the service life of the equipment.
In order to solve the above problems, in the patent with the patent number 201410255117.4, an air supply device is provided, which comprises a box body, an air inlet and at least one air outlet are arranged on the side wall of the box body, an axial flow fan and a dust removing fan are arranged in the box body, a filter device is respectively arranged at the air inlet and the air outlet of the box body, a box-shaped dust collecting cavity is arranged below the filter device at the air inlet, a sand discharging port is arranged on the bottom surface of the box body, and the dust removing fan is arranged between the dust outlet and the sand discharging port of the dust collecting cavity. Air in the outdoor environment enters the box body from an air inlet on the box body under the action of the axial flow fan, is exhausted from an air outlet and is blown to the equipment cabin or the traction motor, so that cooling air is provided for air utilization equipment and the traction motor in the equipment cabin. The air supply device who provides in this patent adopts axial fan to draw air, because axial fan's structural characteristic for the air that gets into through going into wind gap filter equipment spreads in the box, and the rethread sets up the air exit discharge on other lateral walls, and the device not only filters and all can receive certain restriction with the air feed effect, also can receive certain dust and sand pollution in the box moreover, needs often clearance and maintenance, has increased intensity of labour and maintenance cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides one kind, can realize directional induced air, is favorable to improving filtration and air feed effect, and is favorable to daily clearance and maintenance, reduces the air feed device of maintenance cost, provides a vehicle that has this air feed device simultaneously.
In order to achieve the above purpose, the technical scheme of the utility model is that:
an air supply device comprises a box body, wherein an air inlet and an air outlet are formed in a side plate of the box body, a primary filtering device is installed at the air inlet of the box body, a box-shaped dust collecting cavity is arranged below the primary filtering device, a secondary filtering device is arranged at the air outlet of the box body, a volute fan and a dust removing fan are installed in the box body, an air inlet of the volute fan is tightly connected with the air inlet of the box body through a tightly connected air channel, an air outlet of the volute fan is tightly connected with the air outlet of the box body, a sand discharging port is formed in the box body, and an air inlet and an air outlet of the dust removing fan are tightly connected with a dust outlet and a sand discharging port of the dust collecting cavity.
Furthermore, the close-joint air channel comprises a square inlet end and a round outlet end, and the inlet end is connected with the outlet end through a conical cylinder structure.
Further, the primary filtering device is a cyclone cylinder type filter, and an air inlet of the volute fan is hermetically connected with the air outlet side of the cyclone cylinder type filter through a hermetically-connected air channel.
Furthermore, the air outlet of the volute fan is fixedly connected with a side plate of the box body through a flange, a sealing gasket is arranged between the flange and the side plate, and the air outlet of the volute fan completely covers the air outlet in the box body.
Furthermore, the sand discharge port is arranged on a bottom plate of the box body, the dust removal fan is arranged at a position far away from the dust collection cavity, and the dust outlet of the dust collection cavity is hermetically connected with the air inlet of the dust removal fan through a connecting air duct.
Furthermore, the dust removal fan is arranged on one side of the dust collection cavity, the sand discharge port is arranged on a side plate of the box body on the same side as the air inlet, and the dust outlet of the dust collection cavity is hermetically connected with the air inlet of the dust removal fan.
Furthermore, two groups of hanging seats are fixed on a top plate of the box body and are respectively arranged on two sides of the volute fan, connecting seats are respectively fixed on two sides of the top of the volute fan, and the connecting seats are fixedly connected with the corresponding hanging seats through bolts.
Furthermore, the cross section of the hanging seat is Z-shaped, the cross section of the connecting seat is of an L-shaped or U-shaped structure, the horizontal edge of one side of the hanging seat is fixedly welded with the top plate of the box body, and the horizontal edge of the other side of the hanging seat is fixedly connected with the horizontal edge of the connecting seat through a bolt.
Further, the secondary filtering device is a non-woven fabric static filter screen.
The utility model discloses a another technical scheme is:
a vehicle is provided with the air supply device.
In summary, the air supply device and the vehicle with the same of the present invention realize the directional air induction of the air supply device by adopting the structure of the volute fan and the sealed air channel, which is not only beneficial to improving the filtering effect, but also can ensure the air speed of the air supply, improve the air supply effect, and meet the requirement of the air cleanliness of the heating or air equipment under the environment of sand and dust application. Meanwhile, as the air flow channel from air inlet to air exhaust is of a fully-closed structure, sand blown by the wind cannot enter the box body, the daily cleaning and maintenance of the air supply device are facilitated, and the maintenance cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the second embodiment of the present invention.
As shown in fig. 1 and 2, the box body 1, the mounting base 2, the air inlet 3, the air outlet 4, the sand outlet 5, the volute fan 6, the dust removing fan 7, the connecting pipe 7a, the cyclone filter 8, the tight-sealed air duct 9, the dust collecting chamber 10, the protruding part 10a, the connecting air duct 11, the hanging base 12, the connecting base 13 and the fixing base 14.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
the first embodiment is as follows:
as shown in fig. 1, the air supply device provided in this embodiment may be installed below an underframe or above a roof of a vehicle, and is used for filtering and removing sand, ensuring air cleanliness in an equipment compartment, and ensuring safe operation of the equipment.
The air supply device comprises a square box body 1, wherein mounting seats 2 are welded at four corners of the box body 1 respectively, and the mounting seats 2 are fixed on a vehicle body framework (not shown in the figure) through bolts. An air inlet 3 is arranged on one side plate of the box body 1, an air outlet 4 is arranged on the other side plate, and a sand outlet 5 is arranged on the box body 1. Except the air inlet 3, the air outlet 4 and the sand outlet 5, other parts of the box body 1 of the air supply device are in a sealed mode.
A volute fan 6 and a dust removal fan 7 are installed in the box body 1, air in an outdoor environment enters from an air inlet 3 in the box body 1 under the action of the volute fan 6 and is exhausted from an air outlet 4 to blow towards an equipment compartment or a traction motor, and cooling air is provided for air utilization equipment and the traction motor in the equipment compartment.
In order to filter sand, ice, snow, rain and the like in the air, improve the cleanliness of the air and ensure the working requirements of the equipment, a primary filtering device is installed at the air inlet 3 of the box body 1, and a secondary filtering device (not shown in the figure) is installed at the air outlet 4. Most of dust is filtered after passing through the cyclone cylinder type filter 8, and the secondary filtering device further adsorbs and filters the rest dust, so that high-cleanliness air enters the equipment compartment, and the normal work of equipment in the compartment and the safe operation of the motor train unit are not influenced by the problems of accumulated snow freezing, sand feeding and sand accumulation and the like in the equipment compartment when the motor train unit operates in severe environments such as ice, snow, sand and the like.
An air inlet of the volute fan 6 is hermetically connected with an air outlet side of the cyclone cylinder type filter 8 through a sealed air duct 9, an air outlet of the volute fan 6 is fixedly connected with a side plate of the box body 1 through a flange, a sealing gasket (not shown in the figure) is arranged between the flange and the side plate, and the air outlet of the volute fan 6 completely covers the air outlet 4 on the box body 1. A sealed airflow channel is formed among the air inlet 3, the close-joint air channel 9, the volute fan 6 and the air outlet 4 of the box body 1, so that all outdoor air is filtered by the cyclone filter 8, enters the sealed airflow channel and is finally discharged from the air outlet 4 under the action of the volute fan 6.
In this embodiment, the tight-fit air duct 9 includes a square inlet end and a circular outlet end, the square inlet end is hermetically connected with the air outlet side of the cyclone cylinder filter 8, the circular outlet end is hermetically and fixedly connected with the volute on the air inlet side, and the square inlet end is connected with the circular outlet end through a conical cylinder structure with a large end and a small end.
A box-shaped dust collecting chamber 10 is arranged below the cyclone filter 8, in the embodiment, the dust removing fan is arranged at a position far away from the dust collecting chamber, the sand outlet 5 is arranged on the bottom plate of the box body 1 far away from the dust collecting chamber 10, and the dust outlet of the dust collecting chamber 10 is hermetically connected with the air inlet of the dust removing fan 7 through a connecting air duct 11. One side of the dust collection cavity 10 is provided with an outward convex part 10a, a connecting pipe 7a is welded on the shell at the air inlet side of the dust removal fan 7, and two ends of the connecting air channel 11 are respectively connected with the convex part 10a and the connecting pipe 7a in a sealing way through flanges. With the structure layout, the installation wall of the dust removal fan 7 is provided with the cyclone filter 8 and the volute part of the volute fan 6, which is beneficial to reducing the volume of the box body 1, or increasing the area of the air inlet 3 of the box body 1 under the condition that the volume of the box body 1 is not changed, which is beneficial to improving the filtering and air supply effects,
outdoor air enters the cyclone cylinder type filter 8 from the air inlet 3, air flow rotates under the influence of blades of the filter inlet pipe, large-particle sand and dust are thrown to the cylinder wall of the filter inlet cylinder under the action of centrifugal force, leave the filter through a gap between the filter inlet pipe and the filter outlet pipe, and fall into the lower dust collection box under the traction of gravity and the dust exhaust fan. When dust removal is needed, the dust removal fan 7 is started, and under the action of the dust removal fan 7, impurities such as sand and dust in the dust collection cavity 10 can be sucked out from the dust outlet and finally discharged out of the vehicle body through the sand discharge port 5. The cyclone filter 8 can throw most of sand and dust into the dust collecting cavity 10, and the dust is discharged through the dust removal fan 7, so that the whole process is automatically completed, manual treatment is not needed, the use efficiency is greatly improved, no dust remains in the cyclone filter 8, the service life of the cyclone filter 8 is long, and the problem of large replacement workload of each equipment filter screen in the equipment cabin 1 is solved.
As shown in fig. 1, in this embodiment, the volute fan 6 is integrally hoisted in the box 1, two sets of hanging seats 12 are fixed on a top plate of the box 1, the two sets of hanging seats 12 are respectively arranged on two sides of the volute fan 6, two connecting seats 13 are respectively welded and fixed on two sides of the top of the volute fan 6, two connecting seats 13 are arranged on each side, and the connecting seats 13 are fixedly connected with the corresponding hanging seats 12 through bolts. The cross section of the hanging seat 12 is preferably Z-shaped, the cross section of the connecting seat 13 is preferably L-shaped (left structure in fig. 1) or U-shaped (right structure in fig. 1), one horizontal edge of the hanging seat 12 is welded and fixed with the top plate of the box body 1, and the other horizontal edge is fixedly connected with the horizontal edge of the connecting seat 13 through a bolt. In order to further improve the mounting structure strength of the volute fan 6, each connecting seat 13 on the left side is integrally L-shaped, the vertical edge is welded on the volute, and the connecting area between the connecting seat 13 and the volute is increased.
The working principle of the air supply device is as follows: under the traction of the volute fan 6, air containing sand and dust enters the cyclone cylinder filter 8 through the air inlet 3 of the air supply device, and airflow rotates under the influence of the inlet pipe blade of the cyclone cylinder filter 8. The large-particle sand and dust is thrown to the wall of the inlet cylinder of the cyclone cylinder type filter 8 under the action of centrifugal force, leaves the cyclone cylinder type filter 8 through a gap between the inlet pipe and the outlet pipe of the cyclone cylinder type filter 8, falls into the lower dust collecting cavity 10 under the traction of gravity and a dust exhaust fan, and is finally discharged out of the air supply device through the dust exhaust port 5 through a connecting air duct 11. Meanwhile, under the traction of the volute blower 6, the separated clean air is delivered to the air utilization equipment through the close-joint air duct 9, the volute and the air outlet 4.
The air supply device realizes directional air induction of the air supply device by adopting the structures of the volute fan 6 and the sealed air channel 9, is beneficial to improving the filtering effect, can ensure the air speed of air supply, improves the air supply effect, and meets the requirement of air consumption cleanliness of heating or air consumption equipment under a sand and dust application environment. Meanwhile, as the air flow channel from air inlet to air exhaust is of a fully-closed structure, sand blown by the wind cannot enter the box body, the daily cleaning and maintenance of the air supply device are facilitated, and the maintenance cost is reduced.
Example two:
as shown in fig. 2, the difference from the first embodiment is that in the present embodiment, the dust removing blower 7 is installed at one side of the dust collecting chamber 10 and is installed near the dust collecting chamber 10, and the sand outlet 5 is provided at a side plate of the box body 1 at the same side as the air inlet 3 and at one corner of the side plate. The dust outlet of the dust collection chamber 10 is directly connected with the air inlet of the dust removal fan 7 in a sealing way. The air supply device provided in the embodiment has a relatively simple structure, the sand discharge port 5 is arranged at the changed arrangement position, the sand discharge port 5 is arranged at the side part of the box body 1, the installation of the air supply device is not limited by the installation space and equipment below the box body, and the air supply device can be installed on or under a vehicle according to the requirement of the installation position. The volute fan 6 in the structure is fixed in the box body 1 through the fixing seat 14, the fixing seat 14 is fixed on a bottom plate of the box body 1 in a welding mode, and the bottom of the volute fan 6 is fixedly connected with the fixing seat 14 through bolts.
Example three:
in the embodiment, the air supply device provided in the first embodiment and the second embodiment is mounted on the vehicle bottom or the vehicle roof.
Similar solutions can be derived from the solution given in the figures, as described above. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention are still within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides an air supply device, includes the box air intake and air exit have been seted up on the curb plate of box the air intake department of box installs one-level filter equipment the below of one-level filter equipment is provided with the dust collection chamber of box the air exit department of box sets up second grade filter equipment, its characterized in that: the box body is internally provided with a volute fan and a dust removal fan, an air inlet of the volute fan is tightly connected with an air inlet of the box body through a tight connection air channel, an air outlet of the volute fan is tightly connected with an air outlet of the box body, the box body is provided with a sand discharge port, and an air inlet and an air outlet of the dust removal fan are tightly connected with a dust outlet and a sand discharge port of the dust collection cavity.
2. A wind supply apparatus according to claim 1, wherein: the tight-joint air duct comprises a square inlet end and a round outlet end, and the inlet end and the outlet end are connected through a conical barrel structure.
3. A wind supply device according to claim 1 or 2, wherein: the primary filtering device is a cyclone cylinder type filter, and an air inlet of the volute fan is hermetically connected with the air outlet side of the cyclone cylinder type filter through a hermetically-connected air channel.
4. A wind supply apparatus according to claim 1, wherein: the air outlet of the volute fan is fixedly connected with a side plate of the box body through a flange, a sealing gasket is arranged between the flange and the side plate, and the air outlet of the volute fan completely covers an air outlet in the box body.
5. A wind supply apparatus according to claim 1, wherein: the sand discharge port is arranged on a bottom plate of the box body, the dust removal fan is arranged at a position far away from the dust collection cavity, and the dust outlet of the dust collection cavity is hermetically connected with the air inlet of the dust removal fan through a connecting air duct.
6. A wind supply apparatus according to claim 1, wherein: the dust removal fan is arranged on one side of the dust collection cavity, the sand discharge port is arranged on the side plate of the box body on the same side as the air inlet, and the dust outlet of the dust collection cavity is connected with the air inlet of the dust removal fan in a sealing mode.
7. A wind supply apparatus according to claim 1, wherein: two groups of hanging seats are fixed on a top plate of the box body and are respectively arranged on two sides of the volute fan, connecting seats are respectively fixed on two sides of the top of the volute fan, and the connecting seats are fixedly connected with the corresponding hanging seats through bolts.
8. A wind supply apparatus according to claim 7, wherein: the cross section of the hanging seat is Z-shaped, the cross section of the connecting seat is of an L-shaped or U-shaped structure, the horizontal edge of one side of the hanging seat is fixedly welded with the top plate of the box body, and the horizontal edge of the other side of the hanging seat is fixedly connected with the horizontal edge of the connecting seat through a bolt.
9. A wind supply apparatus according to claim 1, wherein: the secondary filtering device is a non-woven fabric static filter screen.
10. A vehicle, characterized in that: a wind supply apparatus according to any one of claims 1-9 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020696280.5U CN212267477U (en) | 2020-04-30 | 2020-04-30 | Air supply device and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020696280.5U CN212267477U (en) | 2020-04-30 | 2020-04-30 | Air supply device and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212267477U true CN212267477U (en) | 2021-01-01 |
Family
ID=73885284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020696280.5U Active CN212267477U (en) | 2020-04-30 | 2020-04-30 | Air supply device and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212267477U (en) |
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2020
- 2020-04-30 CN CN202020696280.5U patent/CN212267477U/en active Active
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