CN111255721A - Swinging angle adjusting and sampling device for electric fan - Google Patents
Swinging angle adjusting and sampling device for electric fan Download PDFInfo
- Publication number
- CN111255721A CN111255721A CN201811483376.7A CN201811483376A CN111255721A CN 111255721 A CN111255721 A CN 111255721A CN 201811483376 A CN201811483376 A CN 201811483376A CN 111255721 A CN111255721 A CN 111255721A
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- rotor
- angle
- signal acquisition
- sensing signal
- acquisition device
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- 238000005070 sampling Methods 0.000 title claims abstract description 17
- 239000003550 marker Substances 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method 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
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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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
- F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
- F04D25/105—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air by changing rotor axis direction, e.g. oscillating fans
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
A sampling device for regulating the swing angle of electric fan is composed of AC motor, angle-varying gear box with planetary gear crank mechanism, magnetic attracting unit, angle-regulating control chip connected to said magnetic attracting unit via wire, rotor marker at the end of rotor shaft of AC motor, and position sensing signal acquiring unit at the gap between angle-varying gear box and rotor marker.
Description
Technical Field
The invention relates to an electric fan with an adjustable swing angle, in particular to a sampling device for adjusting the swing angle of the electric fan.
Background
In the prior art, there is a technical scheme of an electric fan oscillating angle adjusting device (chinese patent application No. 201710491195.8), which shows an electric fan oscillating angle adjusting device using an ac motor and a corresponding magnetic-sensing type electric signal sampling device, as seen from page 7, line 21 to page 8, line 8 of the original text of the specification, and is known by combining the description of fig. 5 and fig. 6, the electric fan oscillating angle adjusting device comprises an ac motor, an angle-changing gear box composed of a worm-worm wheel shaft-large gear power transmission mechanism, a planet wheel crank mechanism and a large gear-pawl clutch device, a housing of the angle-changing gear box is provided with a magnetic attraction device, the magnetic attraction device is connected with an angle-adjusting control chip through a lead, a support is arranged on a rotor worm of the ac motor, a permanent magnet is arranged in the support, the permanent magnet becomes a rotor marker rotating together with a rotor, a hall sensor, the electric fan swing angle adjusting device with the magnetic-sensing type electric signal sampling device has the advantages of no contact abrasion, long service life and high resolution, however, because the permanent magnet and the Hall sensor are fixedly arranged in the shell of the alternating current motor, the Hall sensor is a low-voltage weak current element, the alternating current motor is a high-voltage element to form mixed high-voltage and low-voltage elements, and the production process is complex, the assembly is slow, the detection breakdown is more, and the motor head is difficult to disassemble and repair in the process of assembling and high-voltage detection in a motor workshop, the condition that the product defective rate is high to electric fan assembly line assembly, can the secondary appear that production assembly is slow, and the breakdown is many, disassembles the motor head and reprocesses difficultly, and the condition that the product defective rate is high obviously, this kind of setting is the signal of telecommunication sampling device of mixed loading high-low pressure component in alternating current motor casing, is that needs to improve.
Disclosure of Invention
The invention aims to provide a swing angle adjusting and sampling device of an electric fan using an alternating current motor, which is used for separating high-voltage and low-voltage elements, improving the productivity and reducing the defective rate.
The invention comprises an alternating current motor, a variable angle gear box consisting of a power transmission mechanism and a planet wheel crank mechanism, a magnetic suction device, an angle modulation control chip, a lead and an electric signal sampling device consisting of a set of rotor markers and a rotor position sensing signal acquisition device, wherein the rotor markers are arranged at the end of a rotor shaft of the alternating current motor, which extends out of a motor shell, the rotor position sensing signal acquisition device is arranged at corresponding gaps of the variable angle gear box, which correspond to the rotor markers, and the rotor position sensing signal acquisition device is connected with the angle modulation control chip through the lead.
The technical scheme that the rotor position sensing signal acquisition device is arranged in the corresponding gap of the rotor marker can adopt the technical scheme of a magnetic-sensing rotor position sensing signal acquisition device, when the technical scheme of the magnetic-sensing rotor position sensing signal acquisition device is adopted, the rotor marker can be formed by arranging a permanent magnet at the end of a rotor shaft of an alternating current motor, which extends out of a motor shell, arranging a Hall sensor in the corresponding gap of an angle-variable gear box, which corresponds to the permanent magnet, and connecting the Hall sensor with an angle-adjusting control chip through a lead; the rotor marker can also be a magnetizer arranged at the end of the rotor shaft of the alternating current motor extending out of the motor shell, a magnetic-sensitive proximity switch is arranged at the corresponding gap of the angle-changing gear box corresponding to the magnetizer, and the magnetic-sensitive proximity switch is connected with the angle-adjusting control chip through a lead.
The other technical scheme of the rotor position sensing signal acquisition device arranged in the corresponding gap of the rotor marker can adopt the technical scheme of a photoelectric rotor position sensing signal acquisition device, when the technical scheme of the photoelectric rotor position sensing signal acquisition device is adopted, the rotor marker is characterized in that a reverse light spot is arranged at the end, extending out of a motor shell, of a rotor shaft of an alternating current motor, a photoelectric sensor is arranged in the corresponding gap of an angle-changing gear box corresponding to the reverse light spot, and the photoelectric sensor is connected with an angle-adjusting control chip through a lead.
The invention changes the rotor marker and rotor position sensing signal acquisition device which is arranged in the shell of the alternating current motor in the prior art outside the shell of the alternating current motor, the permanent magnet, the magnetizer or the reflective spot are pressure-resistant elements, and the rotor shaft end arranged outside the shell of the alternating current motor is convenient to assemble and disassemble, and the problem of high-voltage breakdown does not exist.
Drawings
FIG. 1 is a schematic diagram of the general arrangement of an embodiment of the present invention employing a magnetic sensing type electrical signal sampling apparatus outside the AC motor housing;
FIG. 2 is a partial cross-sectional view of FIG. 1;
FIG. 3 is a general layout view of an embodiment of the present invention employing a photoelectric electrical signal sampling device outside the AC motor housing;
FIG. 4 is a partial cross-sectional view of FIG. 3;
Detailed Description
The invention is further illustrated by the following examples and figures:
referring to fig. 1 and 2, the invention comprises an alternating current motor 1, a set of angle-variable gear box 5 consisting of a power transmission mechanism 9 and a planet wheel crank mechanism 7, a magnetic attraction device 3, an angle-adjustment control chip 8, wherein the magnetic attraction device 3 is connected with the angle-adjustment control chip 8 through a lead 4, a permanent magnet 11 is arranged at the end of a rotor shaft 12 of the alternating current motor 1 extending out of a motor shell 2, a hall sensor 10 is arranged at a corresponding gap of the angle-variable gear box 5 corresponding to the permanent magnet 11, and the hall sensor 10 is connected with the angle-adjustment control chip 8 through a lead 6, so that a set of high-low voltage element separation is formed between the outer part of the shell 2 of the alternating current motor 1 and the angle-variable gear box 5 made of insulating materials.
Referring to fig. 3 and 4, the angle adjusting device comprises an alternating current motor 1, a set of angle adjusting gear box 5 consisting of a power transmission mechanism 9 and a planet wheel crank mechanism 7, a magnetic attraction device 3 and an angle adjusting control chip 8, wherein the magnetic attraction device 3 is connected with the angle adjusting control chip 8 through a lead 4, a light reflecting spot 15 is arranged at the end of a rotor shaft 12 of the alternating current motor 1 extending out of a motor shell 2, a photoelectric sensor 13 is arranged in a corresponding gap of the angle adjusting gear box 5 corresponding to the light reflecting spot 15, and the photoelectric sensor 13 is connected with the angle adjusting control chip 8 through a lead 14.
Certainly, a rotor marker is arranged at the end of the rotor shaft of the alternating current motor, which extends out of the motor shell, and a rotor position sensing signal acquisition device is arranged at the corresponding gap of the angle-changing gear box, which corresponds to the rotor marker, without being limited to the specific materials or the specific elements of the above embodiments, for example, when the magnetic-sensing technical scheme is adopted, the rotor marker arranged at the end of the rotor shaft, which extends out of the motor shell, can also adopt an iron block, the corresponding gap of the angle-changing gear box, which corresponds to the iron block, can adopt a magnetic-sensing approach switch, and the magnetic-sensing approach switch is connected with the angle-adjusting control chip through a lead; for another example, when the photoelectric technical scheme is adopted, the rotor marker arranged at the end of the rotor shaft extending out of the motor shell can also adopt a light barrier, the corresponding gap of the angle-variable gear box corresponding to the light barrier can adopt an optical coupler, and the optical coupler is connected with the angle-modulation control chip through a lead.
Claims (5)
1. The utility model provides a sampling device is adjusted to electric fan pivot angle, it includes AC motor, the one set becomes angle gear box by power transmission mechanism, planet wheel crank mechanism constitution, magnetism device, angle modulation control chip, wire and one set by rotor marker and the signal of telecommunication sampling device that rotor position sensing signal acquisition device constitutes, its characterized in that: a rotor marker is arranged at the end of the rotor shaft of the alternating current motor, which extends out of the motor shell, a rotor position sensing signal acquisition device is arranged at a corresponding gap of the angle-variable gear box, which corresponds to the rotor marker, and the rotor position sensing signal acquisition device is connected with the angle-adjusting control chip through a lead.
2. The swing angle adjusting and sampling device of an electric fan according to claim 1, wherein: the rotor marker is characterized in that a magnet is arranged at the end of a rotor shaft of the alternating current motor, which extends out of the motor shell, the rotor position sensing signal acquisition device is a magnetic-sensing type sensing signal acquisition device, and the magnetic-sensing type sensing signal acquisition device is connected with the angle modulation control chip through a lead.
3. The swing angle adjusting and sampling device of an electric fan according to claim 1 or 2, characterized in that: the rotor marker is a permanent magnet, and the rotor position sensing signal acquisition device is a Hall sensor.
4. The swing angle adjusting and sampling device of an electric fan according to claim 1, wherein: the rotor position sensing signal acquisition device is a photoelectric sensing signal acquisition device.
5. The swing angle adjusting and sampling device of an electric fan according to claim 1 or 4, characterized in that: the rotor marker is characterized in that a reverse light spot is arranged at the end of a rotor shaft of the alternating current motor, which extends out of the motor shell, the rotor position sensing signal acquisition device is characterized in that a photoelectric sensor is arranged in a corresponding gap of the angle-variable gear box, which corresponds to the reverse light spot, and the photoelectric sensor is connected with the angle-modulation control chip through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811483376.7A CN111255721A (en) | 2018-12-03 | 2018-12-03 | Swinging angle adjusting and sampling device for electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811483376.7A CN111255721A (en) | 2018-12-03 | 2018-12-03 | Swinging angle adjusting and sampling device for electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111255721A true CN111255721A (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811483376.7A Pending CN111255721A (en) | 2018-12-03 | 2018-12-03 | Swinging angle adjusting and sampling device for electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111255721A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021109053A1 (en) * | 2019-12-05 | 2021-06-10 | 蒋亮健 | Electric fan swing angle adjusting and sampling device |
| WO2022088691A1 (en) * | 2020-10-26 | 2022-05-05 | 蒋亮健 | Swing angle adjustment device for electric fan oscillating head, and electric fan applying same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235821A (en) * | 2007-01-29 | 2008-08-06 | 蒋亮健 | Electric fan swing angle actuating device |
| CN105556812A (en) * | 2013-09-24 | 2016-05-04 | 株式会社美姿把 | Brushless wiper motor |
| CN207437415U (en) * | 2017-10-24 | 2018-06-01 | 潍坊歌尔电子有限公司 | Electric fan |
-
2018
- 2018-12-03 CN CN201811483376.7A patent/CN111255721A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235821A (en) * | 2007-01-29 | 2008-08-06 | 蒋亮健 | Electric fan swing angle actuating device |
| CN105556812A (en) * | 2013-09-24 | 2016-05-04 | 株式会社美姿把 | Brushless wiper motor |
| CN207437415U (en) * | 2017-10-24 | 2018-06-01 | 潍坊歌尔电子有限公司 | Electric fan |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021109053A1 (en) * | 2019-12-05 | 2021-06-10 | 蒋亮健 | Electric fan swing angle adjusting and sampling device |
| WO2022088691A1 (en) * | 2020-10-26 | 2022-05-05 | 蒋亮健 | Swing angle adjustment device for electric fan oscillating head, and electric fan applying same |
| CN114483625A (en) * | 2020-10-26 | 2022-05-13 | 蒋亮健 | Electric fan oscillating angle adjusting device and electric fan applying same |
| CN114483625B (en) * | 2020-10-26 | 2023-07-04 | 蒋亮健 | Electric fan swinging angle adjusting device and electric fan using same |
| EP4234941A1 (en) * | 2020-10-26 | 2023-08-30 | Liangjian Jiang | Swing angle adjustment device for electric fan oscillating head, and electric fan applying same |
| EP4234941A4 (en) * | 2020-10-26 | 2024-05-15 | Liangjian Jiang | Swing angle adjustment device for electric fan oscillating head, and electric fan applying same |
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Application publication date: 20200609 |