CN114046199A - Special fan power assembly of sanitation car - Google Patents
Special fan power assembly of sanitation car Download PDFInfo
- Publication number
- CN114046199A CN114046199A CN202111268000.6A CN202111268000A CN114046199A CN 114046199 A CN114046199 A CN 114046199A CN 202111268000 A CN202111268000 A CN 202111268000A CN 114046199 A CN114046199 A CN 114046199A
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- China
- Prior art keywords
- volute
- power assembly
- motor
- fan power
- water
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/04—Pump-driving arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/4233—Fan casings with volutes extending mainly in axial or radially inward direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/04—Pump-driving arrangements
- F01P2005/046—Pump-driving arrangements with electrical pump drive
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to the technical field of sanitation trucks, and particularly relates to a sanitation truck power assembly system, which comprises: the centrifugal fan and the cooling mechanism are arranged on the centrifugal fan; the centrifugal fan comprises a volute; the cooling mechanism comprises a water pipe arranged in the volute, an electronic water pump with two ends respectively connected with the water pipe, a volute water channel arranged on the volute, and a cooling water tank connected with the volute water channel. According to the invention, the volute water channel is arranged on the periphery of the volute, and the water pipe in the cooling structure is connected with the volute water channel, so that cooling liquid can be introduced into the volute water channel, heat generated by the motor is dispersed onto the volute, the heat is taken away by using wind generated by the centrifugal fan, and the heat dissipation efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of sanitation trucks, and particularly relates to a sanitation truck power assembly system.
Background
All parts of a power assembly system of a sanitation vehicle on the market are separately arranged, all systems in the vehicle are in messy and rough matching design, and when the sanitation vehicle is assembled, product function modularization and generalization cannot be formed, so that the sanitation vehicle is high in manufacturing cost and complex in installation when being installed and designed.
Meanwhile, when the fan works, the motor can generate a large amount of heat, heat dissipation becomes a very important problem in the work of the fan, but the electronic fan is independently adopted to ventilate and dissipate heat of the radiator, so that the overall operation energy consumption is high, and the consumption is high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a special fan power assembly of sanitation car to solve the problem that traditional heat dissipation consumption is big on the market now.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a special power assembly of sanitation car, includes: the centrifugal fan and the cooling mechanism are arranged on the centrifugal fan; the centrifugal fan comprises a volute; the cooling mechanism comprises a water pipe arranged in the volute, an electronic water pump with two ends respectively connected with the water pipe, a volute water channel arranged on the volute, and a cooling water tank connected with the volute water channel.
Furthermore, the water pipe is arranged in the volute, one side of the water pipe is connected with a water channel in the motor, and the other side of the water pipe is connected with the volute water channel.
Further, the cooling water tank is disposed above the volute.
Further, the centrifugal fan also comprises a centrifugal impeller arranged in the volute and a motor connected with the centrifugal impeller.
The volute further comprises a panel, a back plate arranged on the opposite side of the panel, an inner panel arranged behind the panel, an inner back plate arranged on the other side of the inner panel, an air inlet positioned on the panel, a volute wall surface positioned between the inner back plate and the inner panel, reinforcing ribs arranged on the volute wall surface in a segmented mode, and an impeller flow channel defined by the volute wall surface, the inner panel and the inner back plate.
Furthermore, a plurality of small holes are circumferentially distributed around the air inlet of the back plate.
Furthermore, a through hole is formed in the back plate, and the motor is connected with the centrifugal wind wheel through the through hole.
Further, the motor stretches into the motor shaft through the through-hole on the panel, and the motor shaft overcoat is equipped with the axle sleeve, and the axle sleeve bottom is connected with the bottom surface of centrifugal wind wheel, and there is the end cover at the top through the screw connection.
The invention has the beneficial effects that: according to the invention, the volute water channel is arranged on the periphery of the volute, and the water pipe in the cooling structure is connected with the volute water channel, so that cooling liquid can be introduced into the volute water channel, heat generated by the motor is dispersed onto the volute, the heat is taken away by using wind generated by the centrifugal fan, and the heat dissipation efficiency is improved.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts. The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
FIG. 1 is a partial schematic structural view of a fan power assembly for a sanitation vehicle;
FIG. 2 is a rear view of FIG. 1;
FIG. 3 is a right side view of FIG. 1;
fig. 4 is a sectional view a-a of fig. 3.
In the figure:
the centrifugal fan comprises a centrifugal fan 1, a volute 11, a reinforcing rib 111, a volute wall surface 112, a panel 113, a back plate 114, an air outlet 115, an air inlet 116, an impeller flow channel 117, an inner panel 118, an inner back plate 119, a centrifugal impeller 12, a motor 13, a shaft sleeve 131 and an end cover 132.
The cooling mechanism 2, the electronic water pump 21, the water pipe 22, the volute water channel 23 and the cooling water tank 24.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a special fan power assembly for a sanitation vehicle, which comprises: centrifugal fan, set up the cooling body on centrifugal fan.
Specifically, referring to fig. 1 to 4, the centrifugal fan 1 includes a volute 11, a centrifugal impeller 12 installed inside the volute 11, and a motor 13 connected to the centrifugal impeller 12.
The volute 11 comprises a front plate 113, a back plate 114 arranged on the opposite side of the front plate 113, an inner front plate 118 positioned behind the front plate 113, an inner back plate 119 positioned behind the back plate 114, an air inlet 116 positioned on the back plate 114, a volute wall surface 112 positioned between the inner back plate 119 and the inner front plate 118, reinforcing ribs 111 arranged on the volute wall surface 112 in a segmented manner, and an impeller flow channel 117 enclosed by the volute wall surface, the inner front plate and the inner back plate. The panel 113 is adapted to mount the motor 13. An interlayer is formed between the panel 113 and the inner panel 118, and a partial cooling mechanism and sound-deadening cotton are arranged in the interlayer. An interlayer is also formed between the back plate 114 and the inner back plate 119, and noise reduction cotton is arranged in the interlayer, so that noise generated when the centrifugal fan 1 works is reduced. The inboard of spiral case wall 112 is sunken type wall, and this wall is the one-third sphere concave surface, can increase heat radiating area, and the reinforcing heat-sinking capability is and when the qiu stays through for the air current forms miniature swirl at the wall, effectively reduces the windage, promotes flow efficiency, can also effectively carry out the noise attenuation, further reduces fan noise. The air inlet 116 is disposed on the back plate 114 and is adapted to provide air inlet when the centrifugal fan 1 is started. A plurality of small holes are circumferentially distributed around the air inlet 116 of the back plate 114. The motor 13 is directly connected with the centrifugal impeller 12, a motor shaft of the motor 13 extends into the inner side of the volute 11 through a through hole at a back plate 114 of the volute 11 and is connected with the centrifugal impeller 12 of the centrifugal fan 1, a shaft sleeve 131 and an end cover 132 are arranged outside the motor shaft, the shaft sleeve 131 is connected with the bottom of the centrifugal impeller 12 through screws, then the end cover 132 is arranged at the top of the shaft sleeve 131 and the top of the motor shaft, and is connected with each part through screws to fix the centrifugal impeller 12, when the motor shaft starts to rotate, the motor shaft drives the centrifugal impeller 12 to rotate, so that a negative pressure area is generated inside the volute 11, outdoor air is sucked through the air inlet 116 and reaches the impeller flow channel 117, the outdoor air is driven by the centrifugal impeller 12 to rotate and reaches the air outlet from the impeller flow channel 117, and finally flows out from the air outlet.
Specifically, as shown in fig. 1 and fig. 3, the cooling mechanism 2 includes a water pipe 22 disposed inside the volute, an electronic water pump 21 having two ends respectively communicated with the water pipe 22 and the volute water channel 23, a volute water channel 23 disposed on the volute 11, and a cooling water tank 24 connected to the volute water channel 23. The cooling water tank 24 is arranged above the volute casing 11, the volute casing water channel 23 is arranged in a flat shape and is arranged on the outer ring of the volute casing 11, and the contact area of the cooling water tank and the volute casing wall surface 112 is large, so that cooling liquid can better transfer heat to the volute casing 11 when entering the volute casing water channel 23. The volute water channel 23 is provided with a reinforcing rib 111, and the reinforcing rib 111 is arranged in a segmented manner to ensure that the cooling liquid is communicated with each other when flowing in the volute water channel 23. The water pipe 22 is disposed inside the volute 11, and has one side connected to a water passage in the motor 13 and the other side connected to a volute water passage 23. The water pipe is arranged between the panel 113 and the inner panel 118 of the volute 11
Alternatively, the volute water passage 23 may be provided on both sides of the volute 11.
When the cooling mechanism 2 starts to work, the cooling liquid enters the volute channel 23 through the cooling water tank 24 under the driving of the electronic water pump 21, flows in the volute channel 23, and after entering the water pipe 22, the cooling liquid firstly reaches the motor 13 through the water pipe 22 and enters the water channel in the motor 13, in the process of flowing in the water channel, the heat generated by the motor 13 is absorbed by the cooling liquid, the cooling liquid absorbing the heat generated by the motor 13 enters the volute channel 23 through the water pipe 22, in the process of flowing in the volute channel 23, the heat carried in the cooling liquid is transferred to the inner side of the centrifugal fan 1 through the volute wall surface 112, when the centrifugal fan 1 works, the centrifugal impeller 12 rotates to generate high-speed airflow, most of the heat transferred to the inner side of the volute wall surface 112 is taken away through the airflow by the high-speed airflow, and the rest of the heat is transferred to other parts of the centrifugal fan 1 through natural convection of the outer wall surface of the volute channel 23 and the air or through heat conduction A bit. After this step, the cooling liquid is cooled, and enters the water pipe 22 again through the volute water passage 23, enters the motor 13, and is cooled again. If the cooling mechanism 2 is short of the coolant, the coolant can be added through the coolant tank 24.
When the sanitation truck power assembly system 100 works, the centrifugal fan 1 of the sanitation truck power assembly system 100 is started, after the motor 13 starts to work, the centrifugal impeller 12 of the centrifugal fan 1 is driven to rotate through the rotation of the motor shaft, the centrifugal impeller 12 rotates in the volute 11 to generate negative pressure to suck air, and continuous airflow is provided for the operation of a sanitation truck. After the centrifugal fan 1 is started, the motor 13 can generate heat, and in order to ensure that the temperature of the motor 13 is not too high and the service life of the motor 13 is not influenced, the motor 13 is cooled through the cooling mechanism 2. The cooling mechanism 2 is connected with the motor 13 through a water pipe 22, under the action of the electronic water pump 21, the cooling liquid continuously flows in the water pipe 22, the cooling liquid firstly enters the volute water channel 23 through the cooling water tank 24, enters the water pipe 22 connected with the volute water channel 23 through the volute water channel 23, enters the water channel in the motor 13 after entering the water pipe 22, takes away heat generated during the work of the motor 13 without influencing the normal work of the motor 13, the temperature of the cooling liquid rises, the cooling liquid carrying the work heat of the motor 13 enters the volute water channel 23 through the water pipe 22, the cooling liquid is divided into two paths by the reinforcing ribs 111 after entering the volute water channel 23, a small part of the heat is conducted to other parts of the centrifugal fan 1 through the heat of the volute 11, a large part of the heat is conducted to the inner side of the centrifugal fan 1 through the volute wall surface 112, when the centrifugal fan 1 works, the high-speed airflow generated inside the volute 11 takes away the heat transferred to the inside of the volute 11, the temperature of the cooling liquid is reduced, and the cooled cooling liquid enters the water pipe 22 again through the volute water channel 23 to cool the motor 13 again. Meanwhile, the flow efficiency can be effectively improved and the noise of the fan can be reduced by the concave wall surface at the inner side of the volute wall surface 112.
This special fan power assembly 100 of sanitation car is through linking to each other water pipe 22 in with cooling body 2 with the spiral case water course 23 that sets up on spiral case wall 112 for the coolant liquid is after having absorbed the heat that motor 13 produced, can take away the heat with the wind that the inboard rethread centrifugal fan 1 of spiral case 11 produced with heat transfer, greatly reduced the required energy consumption of ordinary forced air cooling heat dissipation.
In light of the foregoing description of preferred embodiments in accordance with the invention, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The utility model provides a special fan power assembly of sanitation car which characterized in that includes: the centrifugal fan and the cooling mechanism are arranged on the centrifugal fan; the centrifugal fan comprises a volute; the cooling mechanism comprises a water pipe arranged in the volute, an electronic water pump with two ends respectively connected with the water pipe, a volute water channel arranged on the volute, and a cooling water tank connected with the volute water channel.
2. The sanitation vehicle fan power assembly according to claim 1, wherein the water pipe is disposed inside the volute, and one side of the water pipe is connected to a water channel in the motor and the other side of the water pipe is connected to a water channel in the volute.
3. The sanitation vehicle-specific fan power assembly according to claim 1, wherein the cooling water tank is disposed above the volute.
4. The sanitation vehicle-specific fan power assembly according to claim 1, wherein the centrifugal fan further comprises a centrifugal impeller mounted inside the volute, and a motor connected to the centrifugal impeller.
5. The sanitation vehicle fan power assembly according to claim 4, wherein the volute comprises a face plate, a back plate arranged at the opposite side of the face plate, an inner face plate arranged behind the face plate, an inner back plate arranged at the other side of the inner face plate, an air inlet arranged on the face plate, a volute wall surface arranged between the inner back plate and the inner face plate, reinforcing ribs arranged on the volute wall surface in a segmented manner, and an impeller flow channel enclosed by the volute wall surface, the inner face plate and the inner back plate.
6. The sanitation vehicle fan power assembly according to claim 5, wherein a plurality of small holes are circumferentially distributed around the air inlet of the back plate.
7. The special fan power assembly for the sanitation vehicle as claimed in claim 1, wherein the back plate is provided with a through hole, and the motor is connected with the centrifugal wind wheel through the through hole.
8. The special fan power assembly for the sanitation vehicle as claimed in claim 1, wherein the motor extends into the motor shaft through a through hole in the panel, a shaft sleeve is sleeved outside the motor shaft, the bottom end of the shaft sleeve is connected with the bottom surface of the centrifugal wind wheel, and the top of the shaft sleeve is connected with an end cover through a screw.
9. A sanitation vehicle comprising a special fan power assembly for a sanitation vehicle as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111268000.6A CN114046199B (en) | 2021-10-29 | 2021-10-29 | Special fan power assembly of sanitation car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111268000.6A CN114046199B (en) | 2021-10-29 | 2021-10-29 | Special fan power assembly of sanitation car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114046199A true CN114046199A (en) | 2022-02-15 |
| CN114046199B CN114046199B (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111268000.6A Active CN114046199B (en) | 2021-10-29 | 2021-10-29 | Special fan power assembly of sanitation car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114046199B (en) |
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| US20130142623A1 (en) * | 2011-12-06 | 2013-06-06 | Kia Motors Corporation | Compressor housing and two-stage turbocharger thereof |
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