CN2453171Y - Electric fan - Google Patents
Electric fan Download PDFInfo
- Publication number
- CN2453171Y CN2453171Y CN00260094U CN00260094U CN2453171Y CN 2453171 Y CN2453171 Y CN 2453171Y CN 00260094 U CN00260094 U CN 00260094U CN 00260094 U CN00260094 U CN 00260094U CN 2453171 Y CN2453171 Y CN 2453171Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- electric fan
- control panel
- base
- blade
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an electric fan. A fan blade is provided with a display hole for leading a display device to be arranged. The electric fan comprises an LED and the display device of a control circuit, and the display device of the control circuit is fixed on a control plate which rotates following the fan blade. The control plate is electrically connected with a head section. The control circuit comprises a sensing circuit and a microcontroller circuit. The sensing circuit comprises a Hall sensor and a magnet which is corresponding to the Hall sensor and is fixed on the head section. When the fan blade drives the control plate to rotate with a high speed, and the Hall sensor and a magnetic column meets for each time, a signal is outputted to a microcontroller, and the microcontroller controls the LED to display various complete patterns or words on the moving surface of the blade with the principle of visual persistence.
Description
The utility model relates to a kind of electric fan, is meant a kind of electric fan with decorative effect especially.
At present, the main decoration mode of mechanical switch class electric fan is that lighting burner is installed at the Direct box place; The decoration of infrared remote control class or non-remote control electric control class electric fan and the demonstration of working state are to wait with light emitting diode, liquid crystal and VFD to do display device, and display area is little, displaying contents is dull, just can't see content displayed clearly when distance is far away.
The purpose of this utility model provides the abundant ornamental display unit of electric fan of a kind of display mode.
Designed a kind of electric fan according to above-mentioned purpose, comprise base, column, head, head comprises guard, motor, is installed in the fan blade on the motor reel, on fan blade, have the display hole that is used for mount display, this hole can be rectangle, circle, ellipse, abnormity or is spot distribution, display unit is fixed on the control panel that rotates with fan blade, and control panel is electrically connected with head.Above-mentioned display unit comprises light emitting diode and control circuit thereof, and control circuit comprises sensing circuit and microcontroller circuit, and sensing circuit comprises Hall transducer and magnet.Wherein, magnet is installed in motor reel and passes on wherein the magnet holder, and is installed in that the Hall transducer in the control panel stands opposite each other at a distance on the fan blade, and the movement locus of Hall transducer is a circumference, magnetic post and movement locus to be connected straight line parallel with motor reel, and magnet holder is fixed on the head; Light emitting diode back parallel with one another one end is connected with the collector electrode of triode, and the emitter of triode is connected with power circuit, and the base stage of triode is connected with micro-control circuit; The other end of this light emitting diode group is connected with micro-control circuit.Micro-control circuit is connected the back and is connected with power circuit with sensor circuit, include vibrator circuit in the micro-control circuit; The control panel of installation and control circuit is generally to be the hammer shape or approximate be shaped as good or be other suitable shapes, be positioned at the fan blade rear side, one end is fixed on the hollow blade holder built-in motor axle sleeve, the other end stretches out from the breach of blade holder side, and the light emitting diode of plate end is positioned at the display hole on the blade.In order to reduce windage, when display hole is big, can utilize transparent material that the cowling that reduces windage is set; When adopting small pore-like uniform, then be inserted.
Aspect electrical connection, control panel is that line is connected with the electric connection mode of head, and this connecting line passes the control panel fixed base, wiring terminal is connected with two copper sheathings, and wiring terminal is positioned at wiring base; Control panel fixed base, wiring terminal, copper sheathing all are fastened on the motor reel.Described control panel fixed base and mangetic rod base, brush shell fragment seat, wiring base assemble in regular turn, and mangetic rod base, brush shell fragment seat, wiring base are fixedlyed connected with head, and the brush and the brush shell fragment that cooperate with copper sheathing, introduce power supply are arranged in the brush shell fragment seat.
The utility model does not change the basic structure and the overall look and feel of existing electric fan, only be on a slice fan blade, to intersperse or the perforate mode is equipped with light emitting diode to inlay, this vacuum side of blade is lined with the control panel with the blade synchronization rotation, control panel is realized being electrically connected with brush mode and head, therefore its additional structure is simple, processing and assembling is less demanding, and the modularization of control unit makes overall structure very compact in addition.In use during the fan blade high speed rotating, because of the turning radius of hall device in the sensing circuit overlaps with the mounting point of magnetic post on being fixedly mounted on head, hall device whenever rotates a circle and promptly meets once with the magnetic post, signal of hall device output is given microcontroller when meeting, according to this signal microcontroller draw the rotating speed of blade and figure that will show or character angles of display, determine the time that each light emitting diode is lighted.Have only several light emitting diodes to light in a flash at certain, but because persistence of vision principle, people have seen a width of cloth width of cloth constantly full graphics or the literal of change.
With reference to accompanying drawing 3.The basic control circuit of the utility model display unit comprises microcontroller circuit 1, sensor circuit 2, display circuit 3 and power circuit 4, from the electric current of power supply input by power circuit voltage stabilizing rectification after, through connection mouth VCC to microcontroller circuit and display circuit power supply.Wherein, microcontroller circuit comprises microcontroller U
1With in parallel with microcontroller by crystal resonator XTAL, capacitor C
1, C
2The oscillator of forming; Sensor circuit also in parallel with microcontroller comprises Hall transducer 18, capacitor C
3, resistance R
23And be installed in magnetic post 19 on the head mangetic rod base 20; And to the light emitting diode in the display circuit, by central one the lighting or extinguish of each input/output port (I/O) of microcontroller control, this embodiment has provided 8 one group totally two groups of 16 LEDs
1～LED
16And current-limiting resistance R
1～R
8, every group is subjected to and microcontroller delivery outlet N
1Or N
2The triode T that connects
1Or T
2Control.The described transistor base resistance R of respectively connecting
9, R
10The back is connected with the microcontroller delivery outlet, and collector electrode is the power input of display circuit, directly is connected with power supply connection mouth VCC, and emitter is connected with the light emitting diode group.In the use, this basic circuit can only can't be regulated and control by user's wish with the fixed mode display text and the pattern of prior input.
In the accompanying drawing 4, basic circuit microcontroller U
1On be in series with another microcontroller circuit 5, this circuit comprises microcontroller U
2With by crystal resonator XTAL, capacitor C
4, C
5The oscillator of forming also directly is connected with power supply connection mouth VCC, in addition, and microcontroller U
2Also be connected with key circuit 6, red outer reception circuit 7, electromotor control circuit 8 respectively.At this moment, the user can select oneself satisfied literal and pattern, even can design and set literal and pattern voluntarily by key circuit, the red outer circuit that receives from the fixed mode of prior input.Thus, can be as the case may be at basic circuit microcontroller U
1On repeat the microcontroller circuit of connecting in the same manner, realize needed function.
With reference to accompanying drawing 1 or 2.On external structure, the utility model embodiment's head section is except that motor, guard, also have fan blade 17, be fixed on fan blade behind and the control panel 16 that thereupon rotates, with supporting magnetic post 19 and the mangetic rod base 20 thereof of control panel, hall device 18 with the work of magnetic post coupling is arranged on the control panel, and be electrically connected (power supply) assembly.Explosive view is given the component relation that is electrically connected assembly of having shown, the power supply of input control panel is from two copper sheathings 9, one end is fixed on that connecting line 22 on the copper sheathing passes wiring terminal 10 and control panel fixed base 15 enters control panel, and copper sheathing, wiring terminal, control panel fixed base are all tight because of rotating on motor reel and with fan blade.Wherein, copper sheathing cooperates with separately brush 14, and brush is pressed on the copper sheathing under the effect of its shell fragment 13 elastic force, and shell fragment is connected with power supply by power line 21.Shell fragment is fixed in the shell fragment seat 12, and wiring terminal is installed in the wiring base 11, and mangetic rod base, shell fragment seat, wiring base are fixed on the head after interconnecting together.Certainly, also can adopt grinding disk or other existing mode commonly used reality to be electrically connected.
Claims (9)
1, a kind of electric fan, comprise base, column, head, head comprises guard, motor, is installed in the fan blade (17) on the motor reel, it is characterized in that on fan blade, having the display hole that is used for mount display, display unit is fixed on the control panel (16) that rotates with fan blade, and control panel is electrically connected with head.
2, electric fan according to claim 1, it is characterized in that described display unit comprises light emitting diode and control circuit thereof, control circuit comprises sensing circuit (2) and microcontroller circuit (1), and sensing circuit comprises Hall transducer (18) and magnet (19).
3, electric fan according to claim 2, it is characterized in that described magnet is installed in motor reel and passes on wherein the magnet holder (20), the movement locus that is arranged in the Hall transducer that is installed in the control panel on the fan blade is a circumference, magnetic post and movement locus to be connected straight line parallel with motor reel, magnet holder is fixed on the head.
4, electric fan according to claim 2 is characterized in that light emitting diode back parallel with one another one end is connected with the collector electrode of triode, and the emitter of triode is connected with power circuit, and the base stage of triode is connected with micro-control circuit; The other end of this light emitting diode group is connected with micro-control circuit.
5, electric fan according to claim 4 is characterized in that micro-control circuit is connected the back and is connected with power circuit (4) with sensor circuit, includes vibrator circuit in the micro-control circuit.
6, electric fan according to claim 2 is characterized in that control panel is positioned at the fan blade rear side, and an end is fixed on the hollow blade holder built-in motor axle sleeve; The other end stretches out from the breach of blade holder side, and the light emitting diode of plate end is positioned at the display hole on the blade.
7, electric fan according to claim 6 is characterized in that can being provided with on the described display hole cowling that reduces windage.
8, electric fan according to claim 1 is characterized in that the control panel and the electric connection mode of head are that line (22) is connected, and this connecting line passes control panel fixed base (15), wiring terminal (10) is connected with two copper sheathings (9); Described control panel fixed base, wiring terminal, copper sheathing all are fastened on the motor reel.
9, electric fan according to claim 8, it is characterized in that the wiring base (11) that described control panel fixed base and mangetic rod base (20), brush shell fragment seat (12), wiring terminal are positioned at it assembles in regular turn, mangetic rod base, brush shell fragment seat, wiring base are fixedlyed connected with head, and the brush (14) and the brush shell fragment (13) that cooperate with copper sheathing, introduce power supply are arranged in the brush shell fragment seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00260094U CN2453171Y (en) | 2000-12-22 | 2000-12-22 | Electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00260094U CN2453171Y (en) | 2000-12-22 | 2000-12-22 | Electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2453171Y true CN2453171Y (en) | 2001-10-10 |
Family
ID=33615977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00260094U Expired - Fee Related CN2453171Y (en) | 2000-12-22 | 2000-12-22 | Electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2453171Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100440275C (en) * | 2002-09-11 | 2008-12-03 | 斯特凡·内得夫·基瓦罗夫 | Device for visualization of information on a rotating visible surface |
| CN110894836A (en) * | 2018-08-23 | 2020-03-20 | 技嘉科技股份有限公司 | Light-emitting fan module, light-emitting fan unit and light-emitting control method |
-
2000
- 2000-12-22 CN CN00260094U patent/CN2453171Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100440275C (en) * | 2002-09-11 | 2008-12-03 | 斯特凡·内得夫·基瓦罗夫 | Device for visualization of information on a rotating visible surface |
| CN110894836A (en) * | 2018-08-23 | 2020-03-20 | 技嘉科技股份有限公司 | Light-emitting fan module, light-emitting fan unit and light-emitting control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FOSHAN MEDIA DAILYELECTRIC APPLIANCE GROUP CO.,LT Free format text: FORMER OWNER: MEIDI GROUP CO LTD, GUANGDONG Effective date: 20050729 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20050729 Address after: 528311 Foshan, Shunde District, Guangdong City, Beijiao Town, Penglai Road, Midea industrial city Patentee after: Meidi Daily electrical Appliances Co., Ltd., Foshan City Address before: 528311 Penglai Road, Beijiao Town, Guangdong City, Shunde Province, Luo Xiaolin Patentee before: Meidi Group Co., Ltd., Guangdong |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |