CN112615481B - Energy-saving self-cooling fan - Google Patents
Energy-saving self-cooling fan Download PDFInfo
- Publication number
- CN112615481B CN112615481B CN202110073010.8A CN202110073010A CN112615481B CN 112615481 B CN112615481 B CN 112615481B CN 202110073010 A CN202110073010 A CN 202110073010A CN 112615481 B CN112615481 B CN 112615481B
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- China
- Prior art keywords
- output shaft
- wax
- rotating
- ejector rod
- fan blade
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an energy-saving self-radiating fan, which comprises an air duct, wherein an isolation shell is arranged in the air duct, a motor is arranged in the isolation shell, one end of an output shaft of the motor penetrates into the air duct from the isolation shell and is provided with a main fan blade, a ventilation channel communicated with the outside of the air duct is arranged on the isolation shell, a volute is arranged in the ventilation channel, the ventilation channel is connected with an air inlet and an air outlet of the volute, a rotating shaft is rotationally arranged in the volute, a centrifugal fan blade is arranged on the rotating shaft, a plurality of jacks are arranged around a rotating center of the centrifugal fan blade, a rotating disc is arranged on the output shaft, a plurality of temperature control push rods are arranged on the rotating disc around the rotating center, each temperature control push rod comprises a heat-conducting shell, the sealing ring and the ejector rod are arranged at one end of the heat conduction shell, filling wax is packaged in the heat conduction shell through the sealing ring, the ejector rod penetrates through the sealing ring and is inserted into the filling wax, and when the filling wax is molten, the ejector rod extends out and is inserted into the insertion hole. The self-cooling fan can effectively save unnecessary energy consumption and save more energy when in use.
Description
Technical Field
The invention belongs to the technical field of fans, and particularly relates to an energy-saving self-cooling fan.
Background
Fans are mechanical equipment which is used for driving fan blades to rotate by means of a motor so as to enable gas to flow, and the fans are widely applied to ventilation and dust exhaust of factories, mines, tunnels, cooling towers, vehicles, ships and buildings. The fan generally includes the dryer, motor and main fan blade, the gas temperature that some fans carried is higher, directly install the motor inside the dryer, can lead to the high temperature of motor, consequently install the motor in with the dryer isolated, in the passageway with outside cold air intercommunication, afterbody at the motor shaft still is equipped with an auxiliary fan blade, when rotating the air supply of drive main fan blade rotation through the motor, drive auxiliary fan blade and rotate, rotate through driving auxiliary fan blade and make the continuous motor outside and the motor heat transfer that passes of outside cold air, thereby make the maintenance of motor at a lower temperature, prevent that the motor is impaired.
However, the auxiliary fan blade and the motor shaft in the prior art are always in a transmission state, no matter the motor is in a high-temperature state or a low-temperature state, for example, when the temperature is low in winter, the temperature of the motor is not high, but the motor always applies work to the auxiliary fan blade, so that the overall energy consumption of the fan is increased, and the energy conservation is not facilitated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the energy-saving self-cooling fan which can not be in transmission with the auxiliary fan blade when the temperature of the motor is lower than the set temperature and can be in transmission with the auxiliary fan blade automatically when the temperature reaches the set temperature, thereby effectively saving unnecessary energy consumption and saving more energy when in use.
In order to solve the technical problem, the invention is solved by the following technical scheme: an energy-saving self-radiating fan comprises an air duct, wherein an isolation shell is arranged in the air duct, a motor is arranged in the isolation shell, one end of an output shaft of the motor penetrates into the air duct from the isolation shell and is provided with a main fan blade, a ventilation channel communicated with the outside of the air duct is arranged on the isolation shell, a volute is arranged in the ventilation channel and is communicated with an air inlet and an air outlet of the volute, a rotating shaft is arranged in the volute in a rotating manner, a centrifugal fan blade is arranged on the rotating shaft and is provided with a plurality of jacks around a rotating center, the output shaft of the motor is coaxial with the rotating shaft, a rotating disc is arranged on the output shaft, a plurality of temperature control push rods are arranged on the rotating disc around the rotating center, each temperature control push rod comprises a heat conduction shell, a sealing ring and an ejector rod, one end of the heat conduction shell is opened, and wax is filled in the heat conduction shell through the sealing ring, the ejector rod penetrates through the sealing ring and is inserted into the filling wax, and when the filling wax is melted, the ejector rod extends out and is inserted into the insertion hole. When the self-cooling fan runs, the output shaft of the motor conducts heat to the rotating disc and the temperature control push rod on the rotating disc, when the temperature is lower than the melting point of wax filling, the ejector rod is in a contraction state, no transmission is performed between the centrifugal fan blade and the output shaft of the motor, when the temperature is higher than the melting point of the wax filling, the ejector rod extends out of the jack of the centrifugal fan blade and is inserted into the jack of the centrifugal fan blade, the output shaft of the motor rotates to drive the centrifugal fan blade to rotate, cold air flowing is formed in the ventilation channel after the centrifugal fan blade rotates, the motor is rapidly cooled, the structure can be adopted, when the temperature of the motor reaches the melting point of the wax filling, namely the centrifugal fan blade is driven to rotate at a set temperature to rapidly cool the motor, the melting points of different waxes are different, and the wax with a specific melting point can be selected as the wax filling according to requirements so as to meet the adjustment of the set temperature; when the melting point of the filling wax is not reached, namely the centrifugal fan blade is not driven to rotate at the set temperature, unnecessary energy consumption is effectively saved, and the energy-saving fan is more energy-saving when in use.
In the above technical solution, preferably, the rotating shaft is connected to the volute casing through a bearing. The structure is adopted to reduce the friction loss between the rotating shaft and the volute.
In the above technical solution, preferably, the filling wax is formed by mixing at least two kinds of wax having different melting points, the rotating disc is slidably disposed on the output shaft and fixed to the output shaft by a bolt, and the position of the rotating disc on the output shaft is adjusted to change the temperature of the ejector rod when the ejector rod extends into the insertion hole. The structure is adopted to ensure that the ejector rod has at least two telescopic amplitudes, when two kinds of filling wax are solid, the ejector rod is positioned at the innermost side of the heat conduction shell, when each kind of filling wax is melted, the ejector rod extends for a certain distance, the position of the rotating disc on the output shaft is adjusted, when the melting point of one kind of filling wax is reached, the ejector rod extends out and is inserted into the jack of the centrifugal fan blade, and the output shaft of the motor is in transmission with the centrifugal fan blade; when the melting point of the filling wax is lower than that of the filling wax, the output shaft of the motor and the centrifugal fan blade do not transmit.
In the above technical solution, preferably, the filling wax is composed of a mixture of at least two of paraffin wax with a grade of 52, paraffin wax with a grade of 54, paraffin wax with a grade of 56, paraffin wax with a grade of 58, and paraffin wax with a grade of 60.
In the above technical solution, preferably, at least three positioning scale marks are marked on the output shaft, and an indication temperature is marked on the output shaft between the scale marks; when the indicating temperature indicates that the rotating disc is located at the position, the ejector rod extends out and is inserted into the insertion hole under the temperature condition of indicating temperature. Adopt this structure can instruct the temperature, the position of convenience of customers regulation and location rolling disc.
Compared with the prior art, the invention has the following beneficial effects: when the self-cooling fan runs, the output shaft of the motor conducts heat to the rotating disc and the temperature control push rod on the rotating disc, when the temperature is lower than the melting point of wax filling, the ejector rod is in a contraction state, no transmission is performed between the centrifugal fan blade and the output shaft of the motor, when the temperature is higher than the melting point of the wax filling, the ejector rod extends out of the jack of the centrifugal fan blade and is inserted into the jack of the centrifugal fan blade, the output shaft of the motor rotates to drive the centrifugal fan blade to rotate, cold air flowing is formed in the ventilation channel after the centrifugal fan blade rotates, the motor is rapidly cooled, the structure can be adopted, when the temperature of the motor reaches the melting point of the wax filling, namely the centrifugal fan blade is driven to rotate at a set temperature to rapidly cool the motor, the melting points of different waxes are different, and the wax with a specific melting point can be selected as the wax filling according to requirements so as to meet the adjustment of the set temperature; when the melting point of the filling wax is not reached, namely the centrifugal fan blade is not driven to rotate at the set temperature, unnecessary energy consumption is effectively saved, and the energy-saving fan is more energy-saving when in use.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present invention.
Fig. 2 is a partial enlarged view of the positions of the temperature control push rod and the centrifugal fan blade in the embodiment of the invention.
Fig. 3 is a schematic structural diagram of a centrifugal fan blade installed in a volute according to an embodiment of the present invention.
FIG. 4 is a schematic cross-sectional view of a temperature control push rod according to an embodiment of the present invention.
Fig. 5 is an enlarged partial view of a first fixing position of the rotating disk on the output shaft according to the embodiment of the present invention.
Fig. 6 is a partially enlarged view of the second fixed position of the rotating disk on the output shaft according to the embodiment of the present invention.
Fig. 7 is a partially enlarged view of the third fixing position of the rotating disk on the output shaft in the embodiment of the present invention.
Fig. 8 is an enlarged partial view of the fourth fixed position of the rotating disk on the output shaft in the embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 8, an energy-saving self-cooling fan comprises an air duct 1, an isolation casing 2 is supported and installed in the air duct 1 through a support, a motor 3 is fixedly installed in the isolation casing 2, one end of an output shaft of the motor 3 penetrates into the air duct 1 from the isolation casing 2 and is provided with a main fan blade 4, a ventilation channel 5 communicated with the outside of the air duct 1 is arranged on the isolation casing 2, a volute 6 is arranged in the ventilation channel 5, the ventilation channel 5 is connected with an air inlet 61 and an air outlet 62 of the volute 6, a rotating shaft 7 is rotatably arranged in the volute 6, a centrifugal fan blade 8 is arranged on the rotating shaft 7, a plurality of jacks 81 are arranged in the centrifugal fan blade 8 around the center of rotation, an output shaft 31 of the motor 3 is coaxial with the rotating shaft 7, a rotating disc 9 is arranged on the output shaft 31, a plurality of temperature control push rods 10 are arranged on the rotating disc 9 around the center of rotation, each temperature control push rod 10 comprises a heat conduction casing 101, a sealing ring 102 and an ejector rod 103, one end of the heat conduction shell 101 is open, the heat conduction shell 101 is packaged with filling wax 104 through a sealing ring 102, a push rod 103 penetrates through the sealing ring 102 and is inserted into the filling wax 104, and when the filling wax 104 is melted, the push rod 103 extends out and is inserted into the insertion hole 81. When the self-cooling fan runs, the output shaft 31 of the motor 3 conducts heat to the rotating disk 9 and the temperature control push rod 10 on the rotating disk 9, when the temperature is lower than the melting point of the filling wax 104, the ejector rod 103 is in a contraction state, no transmission is carried between the centrifugal fan blade 8 and the output shaft 31, when the temperature is higher than the melting point of the filling wax, the mandril 103 extends out and is inserted into the jack 81 of the centrifugal fan blade 8, the output shaft 31 rotates to drive the centrifugal fan blade 8 to rotate, the centrifugal fan blade 8 forms cold air flow in the ventilation channel 5 after rotating, the motor 3 is quickly cooled, and by adopting the structure, when the temperature of the motor 3 reaches the melting point of the filling wax 104, namely, the centrifugal fan blade 8 is driven to rotate to rapidly cool the motor 3 at the set temperature, the melting points of different waxes are different, wax with a specific melting point can be selected as the filling wax 104 according to requirements so as to meet the regulation of the set temperature; when the melting point of the filling wax 104 is not reached, namely the centrifugal fan blade 8 is not driven to rotate at the set temperature, unnecessary energy consumption is effectively saved, and more energy is saved when the centrifugal fan blade is used.
In the present embodiment, in order to reduce the friction loss between the rotating shaft 7 and the volute 6, the rotating shaft 7 and the volute 6 are connected by a bearing 11.
The filling wax 104 is formed by mixing at least two kinds of wax with different melting points, the rotating disc 9 is arranged on the output shaft 31 in a sliding mode and fixed on the output shaft 31 through the bolt 12, and the position of the rotating disc 9 on the output shaft 31 is adjusted to change the temperature when the ejector rod 103 extends into the insertion hole 81. By adopting the structure, the ejector rod 103 has at least two telescopic amplitudes, when two kinds of filling wax 104 are solid, the ejector rod 103 is positioned at the innermost side of the heat conduction shell 101, when each kind of filling wax 104 is melted, the ejector rod 103 extends for a certain distance, the position of the rotating disc 9 on the output shaft 31 is adjusted, when the melting point of one kind of filling wax 104 is reached, the ejector rod 103 extends out and just inserts into the jack 81 of the centrifugal fan blade 8, and the output shaft 31 of the motor is in transmission with the centrifugal fan blade 8; when the melting point of the filling wax 104 is lower than the melting point, the output shaft 31 of the motor does not transmit with the centrifugal fan blade 8.
The filling wax 104 is composed of a mixture of at least two of paraffin wax of grade 52, paraffin wax of grade 54, paraffin wax of grade 56, paraffin wax of grade 58, and paraffin wax of grade 60. The wax is of a melting point, but may be of other grades of filler wax 104.
Three positioning scale marks 32 are marked on the output shaft 31, and indicating temperature is marked on a rotating shaft between the scale marks 32; when the temperature indicating rotary disk 9 is located at this position, the jack 103 is inserted into the insertion hole 81 while being protruded under the temperature condition indicating the temperature. Adopt this structure can instruct the temperature, and convenience of customers adjusts and fixes a position rolling disc 9, masters the temperature that ejector pin 103 inserted into jack 8.
Referring to fig. 5 to 8, the states of the rotating disc 9 at each fixed position on the output shaft 31 are shown, the filling wax 104 at this time is paraffin with a mark number of 52 and paraffin with a mark number of 60, and is divided into four sections by three scale lines 32, in the drawing, an indicated temperature of 60 ℃ is marked between the first scale line 32 and the second scale line 32 from the left, an indicated temperature of 52 ℃ is marked between the second scale line 32 and the third scale line 32 from the left, and the left edge of the rotating disc 9 in fig. 5 is located on the left side of the first scale line 32 from the left, and at this time, the two kinds of filling wax 104 are both melted, and the ejector rod 103 is not inserted into the insertion hole 8; in fig. 6, the left edge of the rotary disk 9 is located between the first scale line 32 and the second scale line 32 from the left, and at this time, when the paraffin with the mark number of 52 is melted, the push rod 103 cannot be inserted into the insertion hole 8, and when the paraffin with the mark number of 60 is melted, the push rod 103 is inserted into the insertion hole 8; in fig. 7, the rotating disk 9 is positioned between the second scale mark 32 and the third scale mark 32 from the left, and when the paraffin with the mark number of 52 is melted, the mandril 103 can be inserted into the jack 8; the rotary disk 9 is located to the right of the third scale line 32 from the left in fig. 8, and the plunger 103 is inserted into the insertion hole 8 even when the wax 104 is solid; that is, adjusting the position of the rotary disk 9 on the output shaft 31 to change the temperature at which the jack 103 is inserted into the insertion hole 8. It is easily understood by those skilled in the art that when the filling wax 104 is three kinds of mixture, the mixture can be divided into five sections by four scale lines 32, and when the mixture is more, more scale lines 32 are used to divide the mixture into more sections, so as to adjust the temperature of the push rod 103 inserted into the insertion hole 8 more and more precisely.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (5)
1. The utility model provides an energy-saving is from cooling fan, includes dryer (1), be provided with in dryer (1) and keep apart casing (2), it is provided with motor (3) in casing (2) to keep apart, the output shaft one end of motor (3) is followed keep apart casing (2) and penetrate in dryer (1) and be provided with main fan blade (4), it is provided with outside ventilation duct (5) of intercommunication dryer (1) on casing (2) to keep apart, its characterized in that: a volute (6) is arranged in the ventilation channel (5), the ventilation channel (5) is communicated with an air inlet (61) and an air outlet (62) of the volute (6), a rotating shaft (7) is arranged in the volute (6) in a rotating mode, a centrifugal fan blade (8) is arranged on the rotating shaft (7), a plurality of jacks (81) are arranged in the centrifugal fan blade (8) in a rotating mode, an output shaft (31) of the motor (3) is coaxial with the rotating shaft (7), a rotating disc (9) is arranged on the output shaft (31), a plurality of temperature control push rods (10) are arranged on the rotating disc (9) in a rotating mode, each temperature control push rod (10) comprises a heat conduction shell (101), a sealing ring (102) and an ejector rod (103), one end of the heat conduction shell (101) is opened, and wax (104) is packaged in the heat conduction shell (101) through the sealing ring (102), the ejector rod (103) penetrates through the sealing ring (102) and is inserted into the filling wax (104), and when the filling wax (104) is melted, the ejector rod (103) is inserted into the insertion hole (81) in a protruding mode.
2. The energy-saving self-cooling fan according to claim 1, characterized in that: the rotating shaft (7) is connected with the volute (6) through a bearing (11).
3. The energy-saving self-cooling fan according to claim 1, characterized in that: the filling wax (104) is formed by mixing at least two kinds of wax with different melting points, the rotating disc (9) is arranged on the output shaft (31) in a sliding mode and fixed on the output shaft (31) through bolts (12), and the position of the rotating disc (9) on the output shaft (31) is adjusted to change the temperature of the ejector rod (103) when the ejector rod extends into the insertion hole (81).
4. The energy-saving self-cooling fan according to claim 3, characterized in that: the filling wax (104) is composed of a mixture of at least two of paraffin wax with the grade of 52, paraffin wax with the grade of 54, paraffin wax with the grade of 56, paraffin wax with the grade of 58 and paraffin wax with the grade of 60.
5. The energy-saving self-cooling fan according to claim 3, characterized in that: at least three positioning scale marks (32) are marked on the output shaft (31), and the output shaft between the scale marks (32) is marked with an indication temperature; when the indicating temperature indicates that the rotating disc (9) is located at the position, the ejector rod (103) is extended and inserted into the insertion hole (81) under the temperature condition of indicating temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110073010.8A CN112615481B (en) | 2021-01-20 | 2021-01-20 | Energy-saving self-cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110073010.8A CN112615481B (en) | 2021-01-20 | 2021-01-20 | Energy-saving self-cooling fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112615481A CN112615481A (en) | 2021-04-06 |
| CN112615481B true CN112615481B (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110073010.8A Active CN112615481B (en) | 2021-01-20 | 2021-01-20 | Energy-saving self-cooling fan |
Country Status (1)
| Country | Link |
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| CN (1) | CN112615481B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696824A (en) * | 2013-12-24 | 2014-04-02 | 潍柴动力股份有限公司 | Oil temperature control bypass valve and engine with same |
| CN105545450A (en) * | 2016-02-19 | 2016-05-04 | 太仓钰丰机械工程有限公司 | Fan clutch with cooling and temperature controlling functions |
| CN210628192U (en) * | 2019-11-25 | 2020-05-26 | 宁波友信电器有限公司 | Temperature protector |
| CN210799513U (en) * | 2019-09-29 | 2020-06-19 | 绍兴上虞通风机有限公司 | Motor isolation cooling type fan |
-
2021
- 2021-01-20 CN CN202110073010.8A patent/CN112615481B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696824A (en) * | 2013-12-24 | 2014-04-02 | 潍柴动力股份有限公司 | Oil temperature control bypass valve and engine with same |
| CN105545450A (en) * | 2016-02-19 | 2016-05-04 | 太仓钰丰机械工程有限公司 | Fan clutch with cooling and temperature controlling functions |
| CN210799513U (en) * | 2019-09-29 | 2020-06-19 | 绍兴上虞通风机有限公司 | Motor isolation cooling type fan |
| CN210628192U (en) * | 2019-11-25 | 2020-05-26 | 宁波友信电器有限公司 | Temperature protector |
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| Publication number | Publication date |
|---|---|
| CN112615481A (en) | 2021-04-06 |
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Effective date of registration: 20211126 Address after: 518000 floor 7, No. 2, dawangshan industrial 1st Road, dawangshan community, Shajing street, Bao'an District, Shenzhen, Guangdong Province Applicant after: Shenzhen Songlian Electronics Co.,Ltd. Address before: 312369 66 East Village Central Road, Beizhen Town, Shangyu District, Shaoxing, Zhejiang Applicant before: Ma Jianshan |
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