CN207989368U - A kind of novel DC electric fan - Google Patents
A kind of novel DC electric fan Download PDFInfo
- Publication number
- CN207989368U CN207989368U CN201721410173.6U CN201721410173U CN207989368U CN 207989368 U CN207989368 U CN 207989368U CN 201721410173 U CN201721410173 U CN 201721410173U CN 207989368 U CN207989368 U CN 207989368U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- direct current
- rear casing
- protecting shell
- supporting plate
- 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
A kind of novel DC electric fan, it includes that fan head, flabellum and guard, the fan head include direct current generator, electric motor protecting shell, circuit board, yaw synchronous motor, curved bar, yaw bearing, supporting plate, rear casing and connector；Direct current generator is arranged in electric motor protecting shell, and the end of electric motor protecting shell is connect with rear casing；The circuit board is put motor and is separately positioned in the cavity of rear casing, and supporting plate is horizontally set in the cavity of rear casing and is connected and fixed with electric motor protecting shell, and circuit board level is suspended on supporting plate lower surface, and supporting plate blocks the surface of circuit board；The electric motor protecting shell, supporting plate are made by metal material, and the heat that circuit board generates is conducted to metal electric motor protecting shell through metallic support plate and radiates outward.The circuit board includes AC/DC power modules and motor drive module.Due to hanging mounting structure using circuit board, avoid dirt accumulation in circuit board so that the DC electric fan has the characteristics that with long service life.
Description
Technical field
The utility model is related to the technical field of electric fan, especially a kind of DC electric fan.
Background technology
Electric fan is the necessity of living electric apparatus, and the motor of electric fan mainly uses 220V alternating current generators, alternating current generator
The shortcomings that having be：The efficiency of alternating current generator is low, compared with power consumption, while the startability of alternating current generator and speed governing are poor.With straight
Galvanic electricity machine technological progress, production cost reduction, and direct current generator have the advantages that as follows：The efficiency height of direct current generator, energy-saving ring
It protects, there is good starting characteristic and governor control characteristics, torque is bigger, and speed adjustable range Guangping is slided, and overload capacity is stronger, by electromagnetism
Interference effect is small.Therefore, electric fan starts to use direct current generator, but direct current generator will configure the driving circuit of one piece of larger area
Plate, the drive circuit board are installed in the rear casing of electric fan, and a lot of dusts of productive set that can take pains generally horizontally are installed, especially electric
Fan uses in industrial environment, and dust is especially more, causes drive circuit board in DC fan to damage, greatly reduces electric fan
Service life.
Utility model content
The purpose of this utility model is：For above-mentioned problem, a kind of novel DC electric fan is provided, it, which has, uses
The characteristics of long lifespan, while 12V DC electricity input interface being provided, it is continuing with after facilitating power failure.
The utility model is realized in this way：A kind of novel DC electric fan, it includes fan head, flabellum and guard, institute
It includes direct current generator, electric motor protecting shell, circuit board, yaw synchronous motor, curved bar, yaw bearing, supporting plate, rear casing to state fan head
And connector；The direct current generator is arranged in electric motor protecting shell, and the circuit board puts motor and is separately positioned on rear casing
Cavity in；
The shaft of the direct current generator is connect with flabellum, and electric motor protecting shell rear end is connect with rear casing, the branch
Frame plate is horizontally set in the cavity of rear casing and is connected and fixed with electric motor protecting shell, and the circuit board is horizontally suspended by screw rod
In supporting plate lower surface, it is in handstand state to weld electronic component on circuit boards, supporting plate block circuit board just on
Side；
The circuit board includes AC/DC power modules and motor drive module, the motor drive module and direct current generator
Connection.The electric motor protecting shell, supporting plate are made by metal material, and the heat that circuit board generates is through metallic support plate
Metal electric motor protecting shell is conducted to radiate outward.
Further include a speed governing electronic knob, the electronic knob is arranged on the surface of rear casing, speed governing electronic knob with
Circuit board connects, the rotating speed for controlling direct current generator.
Further, further include a direct current 12V input interfaces and power change-over switch, the direct current 12V input interfaces,
Power change-over switch is separately positioned on the surface of rear casing and is connect with AC/DC power modules, and direct current 12V input interfaces are used for
It is connect power supply with the accumulator of 12V, after facilitating mains failure that can be continuing with.
Further, further include yaw switch, the yaw switch is arranged on the surface of rear casing, yaw switch control
Yaw synchronous motor works.
Further, further include room temperature creep, the room temperature creep is connect with motor drive module, for according to journey
The rotating speed of sequence setting automatic adjustment direct current generator, realizes electric fan automatic stepless speed-regulating, enhances the air quantity comfort level of electric fan.
A kind of novel DC electric fan provided by the utility model is kept away due to using circuit board suspension type mounting design
Exempt from dirt accumulation and effectively extends the service life of electric fan in circuit board to solve the problems, such as that dust damages circuit board；Together
When provide direct current 12V input interfaces, worked on using storage battery power supply after facilitating mains failure.
Description of the drawings
Fig. 1 is the stereogram of the utility model.
Fig. 2 is the sectional view of the utility model.
Fig. 3 is the fan head stereogram of the utility model.
Fig. 4 is the fan head stereogram exploded view of the utility model.
Specific implementation mode
The embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, specific embodiment described herein is only
Only to explain the utility model, it is not used to limit the utility model.
As shown in Figs 1-4, a kind of novel DC electric fan, it includes fan head 1, flabellum 2 and guard 3, the fan head 1
Including direct current generator 11, electric motor protecting shell 12, circuit board 13, yaw synchronous motor 14, curved bar 15, yaw bearing 16, supporting plate
17, rear casing 18 and connector 19；The direct current generator 11 is arranged in 12 body of electric motor protecting shell, the rear end of electric motor protecting shell 12
Portion is connect with rear casing 18, and the circuit board 13 is put motor 14 and is separately positioned in the cavity of rear casing 18；
The direct current generator 11 is brshless DC motor, and the shaft of direct current generator is connected with flabellum 2, the supporting plate 17
It is horizontally set in the cavity of rear casing 18 and is connected and fixed with electric motor protecting shell 12, the circuit board 13 is horizontal by screw rod 8
It is suspended on 17 lower surface of supporting plate, the electronic component welded on circuit boards is in handstand state, and supporting plate 17 blocks circuit
The surface of plate 13 so that dust cannot accumulate in circuit board, efficiently reduce the failure rate of electric fan.
The circuit board 13 includes AC/DC power modules and motor drive module, the motor drive module and direct current
Machine connects.
The supporting plate 17 is equipped with axis hole 171, and the yaw synchronous motor 14 is fixed on the upper surface of supporting plate 17, puts
The shaft of head synchronous motor 14 is connect across axis hole 171 with one end of curved bar 15,
The supporting plate is made by metal material, and the shell one end of yaw synchronous motor 14 is fitted in supporting plate
On, be conducive to radiate, the long-time yaw work incessantly of electric fan can be protected.
Further include a speed governing electronic knob 4, the electronic knob is arranged on the surface of rear casing 18, speed governing electronic knob
4 connect with circuit board, control the rotating speed of direct current generator 11.
Further, further include a direct current 12V input interfaces 5 and power change-over switch 6, the direct current 12V inputs connect
Mouth, power change-over switch 6 are separately positioned on the surface of rear casing 18 and are connect with AC/DC power modules, direct current 12V inputs
Interface is used to connect power supply with the accumulator of 12V, after facilitating mains failure that can be continuing with.
Further, further include yaw switch 7, the yaw switch 7 is arranged on the surface of rear casing 18 and and circuit
Plate 13 is electrically connected, the work of yaw switch control yaw synchronous motor 14.
Further, further include room temperature creep 9, the room temperature creep 9 is connect with the drive module in circuit board 13,
Rotating speed for automatically controlling direct current generator according to the setting of program realizes electric fan automatic stepless speed-regulating, enhances electric fan
Air quantity comfort level.
The above-mentioned technical solution is only the preferred embodiments of the utility model.It should be pointed out that for ability
For the those of ordinary skill in domain, in the case where not departing from the utility model principle, it can also make several improvements and modification,
This is also considered as in the scope of protection of the utility model.
Claims (6)
1. a kind of novel DC electric fan, it includes fan head, flabellum and guard, and the fan head includes direct current generator, motor guarantor
Protective case, circuit board, yaw synchronous motor, curved bar, yaw bearing, supporting plate, rear casing and connector, the direct current generator setting
In electric motor protecting shell, the circuit board is put motor and is separately positioned in the cavity of rear casing, and the direct current generator turns
Axis is connect with flabellum, it is characterised in that：Electric motor protecting shell rear end is connect with rear casing, and the supporting plate is horizontally set on
It is connected and fixed in the cavity of rear casing and with electric motor protecting shell, the circuit board level is suspended on supporting plate lower surface, circuit board
On electronic component be in handstand state, supporting plate blocks the surface of circuit board；
The circuit board includes AC/DC power modules and motor drive module, and the motor drive module is connect with direct current generator.
2. a kind of novel DC electric fan according to claim 1, it is characterised in that：The electric motor protecting shell, holder
Plate is made by metal material, and it is outside that the heat that circuit board generates through metallic support plate is conducted to metal electric motor protecting shell
Heat dissipation.
3. a kind of novel DC electric fan according to claim 1, it is characterised in that：It further include speed governing electronics rotation
Button, the electronic knob are arranged on the surface of rear casing, and speed governing electronic knob is connect with circuit board, for controlling direct current generator
Rotating speed.
4. a kind of novel DC electric fan according to claim 1, it is characterised in that：Further include a direct current 12V inputs
Interface and power change-over switch, the direct current 12V input interfaces, power change-over switch are separately positioned on the surface of rear casing simultaneously
It is connect with AC/DC power modules, direct current 12V input interfaces are used to connect power supply with the accumulator of 12V.
5. a kind of novel DC electric fan according to claim 1, it is characterised in that：Further include yaw switch, it is described
Yaw switch is arranged on the surface of rear casing, yaw switch control yaw synchronous motor work.
6. a kind of novel DC electric fan according to claim 1, it is characterised in that：Further include room temperature creep, institute
It states room temperature creep to connect with motor drive module, the rotating speed for automatically adjusting direct current generator according to program setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721410173.6U CN207989368U (en) | 2017-10-26 | 2017-10-26 | A kind of novel DC electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721410173.6U CN207989368U (en) | 2017-10-26 | 2017-10-26 | A kind of novel DC electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989368U true CN207989368U (en) | 2018-10-19 |
Family
ID=63804538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721410173.6U Expired - Fee Related CN207989368U (en) | 2017-10-26 | 2017-10-26 | A kind of novel DC electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989368U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030206A (en) * | 2019-05-09 | 2019-07-19 | 广东飞鹿电器有限公司 | A kind of fan temperature-sensitive speed regulating method and its industrial or commercial electric fan |
| CN110043495A (en) * | 2019-05-09 | 2019-07-23 | 广东飞鹿电器有限公司 | A kind of industrial or commercial DC frequency-changing fan |
| KR20220018061A (en) * | 2020-02-06 | 2022-02-14 | 선전 헤브론 테크놀로지 컴퍼니 리미티드 | Elevating shaking fan for convenient storage and portability |
-
2017
- 2017-10-26 CN CN201721410173.6U patent/CN207989368U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030206A (en) * | 2019-05-09 | 2019-07-19 | 广东飞鹿电器有限公司 | A kind of fan temperature-sensitive speed regulating method and its industrial or commercial electric fan |
| CN110043495A (en) * | 2019-05-09 | 2019-07-23 | 广东飞鹿电器有限公司 | A kind of industrial or commercial DC frequency-changing fan |
| CN110043495B (en) * | 2019-05-09 | 2024-01-30 | 广东飞鹿电器有限公司 | Industrial or commercial direct-current variable-frequency fan |
| KR20220018061A (en) * | 2020-02-06 | 2022-02-14 | 선전 헤브론 테크놀로지 컴퍼니 리미티드 | Elevating shaking fan for convenient storage and portability |
| JP2022543168A (en) * | 2020-02-06 | 2022-10-07 | 深▲せん▼市希伯倫科技有限公司 | Lifting oscillating fan convenient for storage and carrying |
| KR102628386B1 (en) * | 2020-02-06 | 2024-01-24 | 선전 헤브론 테크놀로지 컴퍼니 리미티드 | Elevating shaking fan that is convenient to store and carry |
| JP7482989B2 (en) | 2020-02-06 | 2024-05-14 | 深▲せん▼市希伯倫科技有限公司 | A lifting and oscillating fan that is easy to store and carry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20191026 |