CN211596614U - Fan overhead structure and sanitation car - Google Patents
Fan overhead structure and sanitation car Download PDFInfo
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- CN211596614U CN211596614U CN201922499627.7U CN201922499627U CN211596614U CN 211596614 U CN211596614 U CN 211596614U CN 201922499627 U CN201922499627 U CN 201922499627U CN 211596614 U CN211596614 U CN 211596614U
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- centrifugal fan
- dustbin
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Abstract
The utility model discloses a fan overhead structure and sanitation car, fan overhead structure include dustbin, filter screen, centrifugal fan and exhaust duct, and centrifugal fan sets up in the inboard top of dustbin, and centrifugal fan's air intake cover is equipped with the filter screen, and the exhaust duct is connected to centrifugal fan's air outlet, and the gas outlet of exhaust duct communicates in the dustbin outside. According to the scheme, an air inlet duct and an air inlet chamber in an original pneumatic pipeline are omitted, the centrifugal fan directly sucks air from the garbage can, the pressure loss of the overall pipeline is effectively reduced, and the reduction of energy consumption and the improvement of the cleaning effect of the sweeping machine are facilitated; the centrifugal fan adopts the form that the top was arranged for dustbin and centrifugal fan structure are compacter, are favorable to expanding the effective volume of water tank and dustbin etc..
Description
Technical Field
The utility model relates to a sanitation car technical field especially relates to a fan overhead structure and a sanitation car.
Background
The existing sweeping machine adopts the split design of a fan and a garbage can, the fan and an engine or a motor are generally fixed on a chassis frame together, and a sealing strip is arranged above an air inlet chamber of the fan and connected with the garbage can to realize the sealing of a pneumatic system. When the garbage can is lifted to dump garbage, the garbage can is disconnected, and the fan is not lifted.
As shown in fig. 1, in the prior art, a fan driving device and a fan 01 are installed at the front side of a garbage can 02 and fixed on a chassis frame by bolts. A special fan for a sweeping machine in the prior art must be provided with an air inlet chamber 06, a fan air inlet passage 04 needs to be extended from a mounting position of a fan 01 of a garbage can 02 to enable the fan 01 to suck air from the garbage can 02, air in the garbage can 02 is filtered by a filter screen 03 and then enters the fan 01 through the fan air inlet passage 04, the air sealing is realized by adopting a sealing strip 05 at the connecting part of the fan 01 and the garbage can 02, and the air is separated at the connecting part when the garbage can 02 is lifted and unloaded. It can be seen that the prior art has the following disadvantages:
1. the fan 01 has large arrangement space, and occupies a large part of the installation and arrangement space on the sweeping machine;
2. the air flow from the dustbin 02 to the fan 01 must pass through the fan air inlet duct 04 and the air inlet chamber 06, the pressure loss is large, and the pressure loss of the pneumatic pipeline at the section is about 10% of the total pressure of the fan according to the operation of the fan under the normal working condition;
3. because the sealing strip 05 needs to be installed and is frequently opened and closed, the probability of faults such as air leakage of a pneumatic pipeline is increased, the later maintenance workload is large, the processing error is large at the position when the box body is manufactured, a field welding form needs to be adopted, and the processing technology difficulty is large.
Therefore, how to arrange the fans of the sanitation truck reasonably, save energy and improve efficiency is a technical problem which needs to be solved by technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a fan overhead structure, this structure carries out the integrated design with fan and dustbin, and compact structure effectively reduces strength pipeline pressure loss, is favorable to energy-conservation to increase. Another object of the utility model is to provide a sanitation car including this fan overhead structure.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a fan overhead structure, includes dustbin, filter screen, centrifugal fan and exhaust airway, centrifugal fan set up in the inboard top of dustbin, centrifugal fan's air intake cover is equipped with the filter screen, centrifugal fan's air outlet is connected the exhaust airway, the gas outlet of exhaust airway communicate in the dustbin is outside.
Preferably, the air inlet of the centrifugal fan is arranged downwards, and the filter screen is positioned below the air inlet of the centrifugal fan.
Preferably, the air outlet of the exhaust duct is arranged at the rear door of the dustbin.
Preferably, an air suction pipe is arranged on the inner side of the dustbin, and the lower end of the air suction pipe penetrates through the bottom of the dustbin.
Preferably, a disc motor is arranged above the centrifugal fan, and a rotor of the disc motor is coaxially and fixedly connected with an impeller of the centrifugal fan.
Preferably, the disk motor is fixed to a back surface of a volute of the centrifugal fan.
The utility model provides a fan overhead structure, including dustbin, filter screen, centrifugal fan and exhaust duct, centrifugal fan sets up in the inboard top of dustbin, and centrifugal fan's air intake cover is equipped with the filter screen, and the exhaust duct is connected to centrifugal fan's air outlet, and the gas outlet of exhaust duct communicates in the dustbin outside.
When the garbage can works, the centrifugal fan operates to enable negative pressure to be generated in the garbage can, airflow carrying garbage enters the garbage can from the air suction opening at the bottom of the garbage can, the airflow decelerates in the garbage can, garbage settles in the garbage can, a small number of light floating objects move to the filter screen along with the airflow and are blocked, and the filtered airflow enters the centrifugal fan and is discharged to the atmosphere outside the garbage can through the exhaust duct. When the dustbin lifts to unload materials, the centrifugal fan and the dustbin are lifted together.
The utility model discloses following beneficial effect has:
1) according to the scheme, an air inlet duct and an air inlet chamber in an original pneumatic pipeline are omitted, the centrifugal fan directly sucks air from the garbage can, the pressure loss of the overall pipeline is effectively reduced, and the reduction of energy consumption and the improvement of the cleaning effect of the sweeping machine are facilitated;
2) the scheme cancels the radial and axial fan air inlet chamber, is favorable for the uniformity of air flow at the inlet of the fan, and is favorable for improving the running efficiency of the fan and reducing the noise at the inlet of the fan;
3) the centrifugal fan is arranged at the top, so that the structure of the dustbin and the centrifugal fan is more compact, and the effective volumes of the water tank, the dustbin and the like are favorably expanded;
4) in this scheme placed the dustbin in with centrifugal fan top, need not to adopt dynamic strength pipeline interface, reduced the processing technology degree of difficulty, be favorable to guaranteeing the uniformity of product performance.
The utility model also provides a sanitation car of including above-mentioned fan overhead structure. The derivation process of the beneficial effect of the sanitation vehicle is substantially similar to the derivation process of the beneficial effect brought by the fan overhead structure, and therefore, the description is omitted.
Preferably, the sanitation vehicle is a sweeping vehicle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a fan and a garbage bin in the prior art;
fig. 2 is a schematic structural view of the centrifugal fan in the embodiment of the present invention, which is arranged in top of the garbage can.
In fig. 1 and 2:
01-a fan, 02-a dustbin, 03-a filter screen, 04-a fan air inlet duct, 05-a sealing strip and 06-an air inlet chamber;
1-dustbin, 2-aspiration channel, 3-filter screen, 4-centrifugal fan, 5-exhaust duct, 6-disc motor, 7-back door.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 2, fig. 2 is a schematic structural view of a centrifugal fan in an embodiment of the present invention, which is disposed in a garbage can.
In order to solve the technical problem that exists among the prior art, the utility model discloses break through current sanitation car pneumatic system design thinking, with fan and dustbin integrated design, the dustbin top is arranged in to the fan, and the fan air intake is down, directly inhales from the dustbin, has cancelled the special fan inlet chamber structure of current sweeping machine, has shortened the sweeping machine pneumatic system pipeline passageway.
The utility model particularly provides a fan overhead structure, including dustbin 1, filter screen 3, centrifugal fan 4 and exhaust duct 5, centrifugal fan 4 sets up in the top of 1 inboard of dustbin, and centrifugal fan 4's air intake cover is equipped with filter screen 3, and exhaust duct 5 is connected to centrifugal fan 4's air outlet, and the gas outlet of exhaust duct 5 communicates in dustbin 1 outside.
Preferably, the air inlet of the centrifugal fan 4 is arranged downwards, and the filter screen 3 is positioned below the air inlet of the centrifugal fan 4. So set up to guarantee centrifugal fan 4 import air current's homogeneity. Of course, the direction of the air inlet of the centrifugal fan 4 may also be arranged obliquely, which is not described in detail herein.
It should be noted that the exhaust duct 5 is used for discharging the airflow drawn by the centrifugal fan 4 to the outside of the dustbin 1, so as to generate negative pressure inside the dustbin 1, thereby facilitating the suction of the garbage from the lower air suction opening. The air exhaust duct 5 is connected with the air outlet of the centrifugal fan 4, and the duct wall of the air exhaust duct 5 plays a role in sealing the garbage can and separating the airflow at the outlet of the centrifugal fan from the airflow in the inner cavity of the garbage can. When the dustbin lifts up to discharge, the centrifugal fan 4 is lifted together with the dustbin 1 and the exhaust duct 5. The air outlet of the air exhaust duct 5 can be opened at the back door, bottom or other position of the dustbin 1, and preferably, the air outlet of the air exhaust duct 5 in the present scheme is opened at the back door 7 of the dustbin 1, as shown in fig. 2. Further preferably, the air outlet of the air exhaust duct 5 is arranged downward, so that dust raising and noise can be reduced.
Preferably, an air suction pipe 2 is arranged on the inner side of the dustbin 1, and the lower end of the air suction pipe 2 penetrates through the bottom of the dustbin 1. The lower end opening of the air suction pipe 2 is an air suction opening at the bottom of the garbage can 1. When the centrifugal fan 4 is operated, negative pressure is generated inside the dustbin 1 and at the lower end of the air suction pipe 2, so that external garbage is sucked into the dustbin 1 along with air. The upper end of the air suction pipe 2 extends into the garbage can 1, and preferably, the upper end opening of the air suction pipe 2 is positioned on one side of the filter screen 3 so as to avoid damage caused by direct collision of sucked garbage objects with the filter screen 3.
Preferably, a disc motor 6 is arranged above the centrifugal fan 4, and a rotor of the disc motor 6 is coaxially and fixedly connected with an impeller of the centrifugal fan 4. When the disc motor 6 is operated, the impeller of the centrifugal fan 4 rotates in synchronization with the disc motor 6. The disc type motor 6 and the centrifugal fan 4 are directly connected and directly driven, 100% of transmission efficiency can be achieved, an existing centrifugal fan bearing seat is omitted, energy conservation and efficiency improvement are effectively achieved, the arrangement space of a centrifugal fan power unit is compressed to the maximum extent, the garbage can and the fan are more compact in structure, and a larger design space is provided for other components such as a water tank and a garbage can of a sanitation truck.
Further preferably, the disc motor 6 is fixed to the back of the volute of the centrifugal fan 4. So configured, the arrangement space can be further compressed.
The working principle of the top-mounted structure of the fan provided by the scheme is as follows:
when the garbage can works, the centrifugal fan 4 operates to enable negative pressure to be generated in the garbage can 1, airflow carrying garbage enters the garbage can 1 from the air suction opening at the bottom of the garbage can 1, the airflow decelerates in the garbage can 1, garbage objects settle in the garbage can 1, a small number of light floating objects move to the filter screen 3 along with the airflow and are blocked, the airflow filtered by the filter screen 3 enters the centrifugal fan 4, and then the airflow is discharged to the atmosphere outside the garbage can 1 through the exhaust duct 5. When the dustbin 1 is lifted for discharging, the centrifugal fan 4 is lifted together with the dustbin 1.
The utility model discloses following beneficial effect has:
1) according to the scheme, an air inlet duct and an air inlet chamber in an original pneumatic pipeline are omitted, the centrifugal fan 4 directly sucks air from the garbage can 1, the pressure loss of the overall pipeline is effectively reduced, and the reduction of energy consumption and the improvement of the cleaning effect of the sweeping machine are facilitated;
2) the scheme cancels the radial and axial fan air inlet chamber, is favorable for the uniformity of air flow at the inlet of the fan, and is favorable for improving the running efficiency of the fan and reducing the noise at the inlet of the fan;
3) the centrifugal fan 4 is arranged at the top of the dustbin, so that the dustbin 1 and the centrifugal fan 4 are more compact in structure, and the effective volumes of a water tank, the dustbin and the like are favorably expanded;
4) the centrifugal fan 4 is arranged in the garbage can 1 in an overhead mode, a dynamic pneumatic pipeline interface is not needed, the processing technology difficulty is reduced, and the consistency of product performance is guaranteed.
The utility model also provides a sanitation car of including above-mentioned fan overhead structure. The derivation process of the beneficial effect of the sanitation vehicle is substantially similar to the derivation process of the beneficial effect brought by the fan overhead structure, and therefore, the description is omitted.
Preferably, the sanitation vehicle is a sweeping vehicle.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a fan overhead structure, its characterized in that, includes dustbin (1), filter screen (3), centrifugal fan (4) and exhaust airway (5), centrifugal fan (4) set up in the top of dustbin (1) inboard, the air intake cover of centrifugal fan (4) is equipped with filter screen (3), the air outlet of centrifugal fan (4) is connected exhaust airway (5), the gas outlet of exhaust airway (5) communicate in dustbin (1) outside.
2. The fan overhead structure according to claim 1, wherein an air inlet of the centrifugal fan (4) is arranged downward, and the filter screen (3) is located below the air inlet of the centrifugal fan (4).
3. The fan overhead structure according to claim 1, wherein the air outlet of the exhaust duct (5) opens into a rear door (7) of the dustbin (1).
4. The fan overhead structure according to claim 1, wherein an air suction pipe (2) is arranged on the inner side of the dustbin (1), and the lower end of the air suction pipe (2) penetrates through the bottom of the dustbin (1).
5. The fan overhead structure according to any one of claims 1 to 4, characterized in that a disc motor (6) is arranged above the centrifugal fan (4), and a rotor of the disc motor (6) is coaxially and fixedly connected with an impeller of the centrifugal fan (4).
6. Blower overhead structure according to claim 5, characterized in that the disc motor (6) is fixed to the volute back of the centrifugal blower (4).
7. A sanitation vehicle comprising a fan overhead structure as claimed in any one of claims 1 to 6.
8. The sanitation truck of claim 7, wherein the sanitation truck is a sweeping truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499627.7U CN211596614U (en) | 2019-12-31 | 2019-12-31 | Fan overhead structure and sanitation car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499627.7U CN211596614U (en) | 2019-12-31 | 2019-12-31 | Fan overhead structure and sanitation car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211596614U true CN211596614U (en) | 2020-09-29 |
Family
ID=72599756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922499627.7U Active CN211596614U (en) | 2019-12-31 | 2019-12-31 | Fan overhead structure and sanitation car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211596614U (en) |
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2019
- 2019-12-31 CN CN201922499627.7U patent/CN211596614U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201400 room 1284, floor 4, building 6, No. 1, Yangming Road, Xinghuo Development Zone, Fengxian District, Shanghai Patentee after: Shanghai xire Energy Automobile Co.,Ltd. Address before: 201419 room 1284, 4 / F, building 6, No.1 Yangming Road, Xinghuo Development Zone, Fengxian District, Shanghai Patentee before: Shanghai Xizhong New Energy Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230906 Address after: Floor 1, Building 3, No. 188 Sanjian Avenue, Shanghua Street, Lanxi City, Jinhua City, Zhejiang Province, 321100 Patentee after: Zhejiang Xi Renewable Energy Automotive Technology Co.,Ltd. Address before: 201400 room 1284, floor 4, building 6, No. 1, Yangming Road, Xinghuo Development Zone, Fengxian District, Shanghai Patentee before: Shanghai xire Energy Automobile Co.,Ltd. |