CN112303008A - Fan structure with heat dissipation effect and refrigeration equipment - Google Patents
Fan structure with heat dissipation effect and refrigeration equipment Download PDFInfo
- Publication number
- CN112303008A CN112303008A CN202011233674.8A CN202011233674A CN112303008A CN 112303008 A CN112303008 A CN 112303008A CN 202011233674 A CN202011233674 A CN 202011233674A CN 112303008 A CN112303008 A CN 112303008A
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- China
- Prior art keywords
- blade
- motor
- fan structure
- wheel disc
- blades
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 19
- 238000005057 refrigeration Methods 0.000 title claims abstract description 11
- 230000000694 effects Effects 0.000 title abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000005855 radiation Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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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
- F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
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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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
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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
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
-
- 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
- F04D29/5853—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps heat insulation or conduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a fan structure with a heat dissipation effect and refrigeration equipment. The fan structure comprises a plurality of second blades, wherein the first blades are fixedly arranged on the first side face of the wheel disc, all the second blades are uniformly distributed on the second side face of the wheel disc, and the second blades are used for acquiring gas at the driving mechanism. According to the fan structure with the heat dissipation effect and the refrigeration equipment, the second blade is arranged and the wheel disc rotates, so that the second blade can suck air from the motor, airflow at the motor is forced to flow under the conditions that the motor structure is not changed and the normal work of the first blade is not influenced, the stable operation of the motor is guaranteed, the reliability of the motor is improved, the cover plate shields the second blade, the structural interference of the second blade on the motor and the like is avoided, meanwhile, the flow direction of the air at the motor is limited by the first through hole and the heat dissipation fins on the motor, the heat dissipation effect at the motor is further improved, and the reliability of the motor is guaranteed.
Description
Technical Field
The invention relates to the technical field of centrifugal fans, in particular to a fan structure with a heat dissipation effect and refrigeration equipment.
Background
The impeller of fan generally all adopts the motor to drive, however the motor can produce the heat in the course of the work, if can't in time discharge can cause the damage of fan, especially directly drive the motor, because its compact structural style, can't the built-in fan dispels the heat, generally adopts among the prior art to additionally set up radiator fan and dispels the heat to the motor or increase the motor structure and install axial fan additional and dispel the heat, both all need change the reliability that influences the motor to the structure of motor.
Disclosure of Invention
In order to solve the technical problem that the motor reliability is reduced because the structure of the motor needs to be changed in the prior art, the fan structure and the refrigeration equipment which have the heat dissipation effect and can dissipate heat for the motor by using extra blades and runners are arranged by the rotation of the fan are provided.
The utility model provides a fan structure, includes rim plate, wheel cap, a plurality of first blade and actuating mechanism, the rim plate is located the first side of wheel cap, and all first blade evenly distributed in between rim plate and the wheel cap, actuating mechanism with the wheel disc transmission is connected, fan structure still includes a plurality of second blades, first blade fixed set up in on the first side of rim plate, all second blade evenly distributed in on the second side of rim plate, just the second blade is in actuating mechanism department acquires gas.
The fan structure further comprises a cover plate, the cover plate is located on the second side of the wheel disc, the first end of the second blade is fixedly arranged on the second side face of the wheel disc, and a first distance is formed between the second end of the second blade and the cover plate.
The cover plate is provided with a first through hole, the driving mechanism is in transmission connection with the wheel disc through the first through hole, and a first gas channel is formed between the driving mechanism and the first through hole.
And the driving mechanism is provided with a radiating fin which is positioned in the first gas channel.
The driving mechanism comprises a motor, an output shaft of the motor is in transmission connection with the wheel disc through the first through hole, and the radiating fins are arranged on the outer wall of the motor.
The shape of the first blade and the shape of the second blade are both arc-shaped, and the opening direction of the arc corresponding to the first blade is opposite to the opening direction of the arc corresponding to the second blade; or the shape of the first blade and the shape of the second blade are both arc-shaped, and the opening direction of the arc corresponding to the first blade is the same as the opening direction of the arc corresponding to the second blade.
The size of the second blade protruding from the wheel disc is smaller than the size of the wheel disc from which the first blade protrudes.
A fan comprises the fan structure.
According to the fan structure with the heat dissipation effect and the refrigeration equipment, the second blade is arranged and the wheel disc rotates, so that the second blade can suck air from the motor, airflow at the motor is forced to flow under the conditions that the motor structure is not changed and the normal work of the first blade is not influenced, the stable operation of the motor is guaranteed, the reliability of the motor is improved, the cover plate shields the second blade, the structural interference of the second blade on the motor and the like is avoided, meanwhile, the flow direction of the air at the motor is limited by the first through hole and the heat dissipation fins on the motor, the heat dissipation effect at the motor is further improved, and the reliability of the motor is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a fan structure with a heat dissipation effect and a fan structure of an embodiment of a refrigeration device according to the present invention;
fig. 2 is a cross-sectional view of a fan structure and a cooling device of an embodiment of the present invention;
fig. 3 is a schematic structural view of a fan structure with a heat dissipation effect and a refrigeration device according to an embodiment of the present invention, in which a second blade is a backward centrifugal blade;
fig. 4 is a schematic structural diagram of a fan structure with a heat dissipation effect and a refrigeration device according to an embodiment of the present invention, in which a second blade is a forward multi-blade centrifugal blade;
in the figure:
1. a wheel disc; 2. a wheel cover; 3. a first blade; 4. a drive mechanism; 5. a second blade; 6. a cover plate; 61. a first via hole; 41. and (4) radiating fins.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The fan structure shown in fig. 1 to 4 includes a wheel disc 1, a wheel cover 2, a plurality of first blades 3 and a driving mechanism 4, the wheel disc 1 is located on a first side of the wheel cover 2, all the first blades 3 are uniformly distributed between the wheel disc 1 and the wheel cover 2, the driving mechanism 4 is in transmission connection with the wheel disc 1, the driving mechanism 4 drives the wheel disc 1 to rotate, so that the first blades 3 work on gas to provide airflow, the fan structure further includes a plurality of second blades 5, the first blades 3 are fixedly arranged on a first side surface of the wheel disc 1, all the second blades 5 are uniformly distributed on a second side surface of the wheel disc 1, the second blades 5 obtain gas at the driving mechanism 4, the driving mechanism 4 drives the wheel disc 1 to rotate, so that the second blades 5 also move along with the wheel disc 1, and according to the second blade 5 remove to the gaseous effect of actuating mechanism 4 department and make actuating mechanism 4 department form the purpose of forcing the heat dissipation, guaranteed actuating mechanism 4's radiating efficiency, overcome and need additionally set up the fan or change the end cover structure of motor and dispel the heat and have the problem that motor reliability descends among the prior art.
The fan structure still includes apron 6, apron 6 is located the second side of rim plate 1, the first end of second blade 5 is fixed set up in on the second side of rim plate 1, the second end of second blade 5 with first interval has between the apron 6, utilizes apron 6 and rim plate 1 to constitute accommodation space for second blade 5, for the gaseous flow path of injecing department of 5 driven of second blade, guarantees that second blade 5 can be smooth and locate to absorb gas by actuating mechanism 4, and apron 6 can also guarantee simultaneously that second blade 5 can not produce to other structures and do not involve and cause other unexpected injuries to the user futilely.
The cover plate 6 is provided with a first through hole 61, the driving mechanism 4 is in transmission connection with the wheel disc 1 through the first through hole 61, and a first gas channel is formed between the driving mechanism 4 and the first through hole 61, that is, the flow area of the first through hole 61 (or the diameter of the first through hole 61) is larger than the cross-sectional area of the driving mechanism 4 (since the driving mechanism 4 is generally a cylindrical structure, the diameter of the cross section of the driving mechanism 4 can also be selected here), so that one end of the first gas channel on the outer surface of the driving mechanism 4 is communicated with the area where the second blade 5 is located, and the second blade 5 can suck gas at the driving mechanism 4 through the first gas channel.
The driving mechanism 4 is provided with a heat radiation fin 41, the heat radiation fin 41 is located in the first gas channel, and the heat radiation efficiency of the driving mechanism 4 is increased by using the heat radiation fin 41.
The driving mechanism 4 comprises a motor, an output shaft of the motor is in transmission connection with the wheel disc 1 through the first via hole 61, and the heat dissipation fins 41 are arranged on the outer wall of the motor.
The shape of the first blade 3 and the shape of the second blade 5 are both arc-shaped, and the opening direction of the arc-shaped corresponding to the first blade 3 is opposite to the opening direction of the arc-shaped corresponding to the second blade 5, that is, the first blade 3 constitutes a backward centrifugal blade, the second blade 5 constitutes a forward multi-wing centrifugal blade, and the number range of the forward multi-wing centrifugal blades at this time is 30-60, which is specifically determined according to the heat dissipation requirement of the driving mechanism 4; or the shape of the first blade 3 and the shape of the second blade 5 are both arc-shaped, and the opening direction of the arc corresponding to the first blade 3 is the same as the opening direction of the arc corresponding to the second blade 5, that is, the first blade 3 and the second blade 5 both form backward centrifugal blades, and the number range of the backward centrifugal blades formed by the second blade 5 is 5-12, which is specifically determined according to the heat dissipation requirement of the driving mechanism 4.
The second blade 5 in the fan structure is preferably arranged as a backward centrifugal blade, but when the resistance existing at the second blade 5 exceeds a preset resistance, the second blade 5 is arranged as a forward multiple-wing centrifugal blade.
The size of the second blade 5 protruding from the wheel disc 1 is smaller than the size of the wheel disc 1 protruding from the first blade 3, that is, during the rotation of the wheel disc 1, the first blade 3 rotates to form a first cylinder, and the second blade 5 rotates to form a second cylinder, wherein the cross-sectional diameter of the first cylinder is larger than that of the second cylinder.
A fan comprises the fan structure.
The fan includes the casing, and the fan structure sets up inside the casing, and the air-out of first blade 3 and the air-out of second blade 5 are discharged jointly by the air outlet of casing after the casing is inside to mix.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a fan structure, includes rim plate (1), wheel cap (2), a plurality of first blade (3) and actuating mechanism (4), rim plate (1) is located the first side of wheel cap (2), and all first blade (3) evenly distributed in between rim plate (1) and wheel cap (2), actuating mechanism (4) with rim plate (1) transmission is connected, its characterized in that: the fan structure further comprises a plurality of second blades (5), the first blades (3) are fixedly arranged on the first side face of the wheel disc (1), all the second blades (5) are uniformly distributed on the second side face of the wheel disc (1), and the second blades (5) are used for acquiring gas at the driving mechanism (4).
2. The fan structure of claim 1, wherein: the fan structure further comprises a cover plate (6), the cover plate (6) is located on the second side of the wheel disc (1), the first end of the second blade (5) is fixedly arranged on the second side face of the wheel disc (1), and a first distance is reserved between the second end of the second blade (5) and the cover plate (6).
3. The fan structure of claim 2, wherein: be provided with first via hole (61) on apron (6), actuating mechanism (4) pass through first via hole (61) with rim plate (1) transmission is connected, just actuating mechanism (4) with constitute first gas channel between first via hole (61).
4. The fan structure of claim 3, wherein: and the driving mechanism (4) is provided with a heat radiating fin (41), and the heat radiating fin (41) is positioned in the first gas channel.
5. The fan structure of claim 4, wherein: the driving mechanism (4) comprises a motor, an output shaft of the motor is in transmission connection with the wheel disc (1) through the first through hole (61), and the heat dissipation fins (41) are arranged on the outer wall of the motor.
6. The fan structure of claim 1, wherein: the shape of the first blade (3) and the shape of the second blade (5) are both arc-shaped, and the opening direction of the arc corresponding to the first blade (3) is opposite to the opening direction of the arc corresponding to the second blade (5); or the shape of the first blade (3) and the shape of the second blade (5) are both arc-shaped, and the opening direction of the arc corresponding to the first blade (3) is the same as the opening direction of the arc corresponding to the second blade (5).
7. The fan structure of claim 1, wherein: the size of the second blade (5) protruding out of the wheel disc (1) is smaller than the size of the first blade (3) protruding out of the wheel disc (1).
8. A refrigeration apparatus, characterized by: comprising a fan structure according to any of claims 1 to 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011233674.8A CN112303008A (en) | 2020-11-06 | 2020-11-06 | Fan structure with heat dissipation effect and refrigeration equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011233674.8A CN112303008A (en) | 2020-11-06 | 2020-11-06 | Fan structure with heat dissipation effect and refrigeration equipment |
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Publication Number | Publication Date |
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CN112303008A true CN112303008A (en) | 2021-02-02 |
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CN202011233674.8A Pending CN112303008A (en) | 2020-11-06 | 2020-11-06 | Fan structure with heat dissipation effect and refrigeration equipment |
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CN (1) | CN112303008A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114962346A (en) * | 2022-06-29 | 2022-08-30 | 江西镁淇实业有限公司 | Efficient treatment chamber for textile manufacturing process |
CN115441681A (en) * | 2022-09-23 | 2022-12-06 | 重庆通环新能源科技有限公司 | Power generation system with stacked structure |
-
2020
- 2020-11-06 CN CN202011233674.8A patent/CN112303008A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114962346A (en) * | 2022-06-29 | 2022-08-30 | 江西镁淇实业有限公司 | Efficient treatment chamber for textile manufacturing process |
CN115441681A (en) * | 2022-09-23 | 2022-12-06 | 重庆通环新能源科技有限公司 | Power generation system with stacked structure |
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