CN206808887U - A kind of hair-dryer for eliminating electromagnetic radiation - Google Patents
A kind of hair-dryer for eliminating electromagnetic radiation Download PDFInfo
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- CN206808887U CN206808887U CN201720692842.7U CN201720692842U CN206808887U CN 206808887 U CN206808887 U CN 206808887U CN 201720692842 U CN201720692842 U CN 201720692842U CN 206808887 U CN206808887 U CN 206808887U
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- heating wire
- dryer
- hair
- screen layer
- electromagnetic radiation
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- 230000005670 electromagnetic radiation Effects 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 53
- 230000007935 neutral effect Effects 0.000 claims abstract description 20
- 230000002441 reversible effect Effects 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 241000264877 Hippospongia communis Species 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 230000006837 decompression Effects 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 229910001120 nichrome Inorganic materials 0.000 claims description 3
- 230000002829 reductive effect Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- 230000008030 elimination Effects 0.000 claims 4
- 238000003379 elimination reaction Methods 0.000 claims 4
- 239000002184 metal Substances 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 13
- 230000005684 electric field Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 23
- 238000005516 engineering process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Cleaning And Drying Hair (AREA)
Abstract
It the utility model is related to a kind of hair-dryer for eliminating electromagnetic radiation, including shell, and the heating wire and blower fan being arranged in shell；Also include power supply adaptor；Heating wire and blower fan are electrically connected by power line with power supply adaptor；Heating wire includes the first heating wire and the second heating wire, and the two wound side by side is in high temperature stent；First heating wire and the second heating wire are connected in reverse parallel between the input of power supply and output end, make the sense of current in the first heating wire and the second heating wire opposite；Shell includes the screen layer with electromagnetic shielding action, and screen layer electrically connects with the zero line in power line.The utility model heating wire is by the way of Double-wire parallel wound, and the sense of current of both threads is on the contrary, so as to offset magnetic field radiation caused by electrified wire；Screen layer connecting to neutral line, can effectively eliminate electric field radiation；Power-switching circuit and control circuit are integrated into power supply adaptor, wiring board is no longer set in shell, makes the air-flow inside hair-dryer unobstructed.
Description
Technical field
The utility model belongs to small household appliance technical field, and in particular to a kind of hair-dryer for eliminating electromagnetic radiation.
Background technology
The order that electromagnetic wave generally grows to minimal wave length (namely low-limit frequency to highest frequency) according to most long wave divides
For radio wave, infrared ray, visible ray, ultraviolet, X ray and gamma-rays.And wavelength is shorter, photon energy is bigger.When visible
When light or ultraviolet irradiation material, these electromagnetic waves, which cause, chemically reacts and damages the material.Strong ultraviolet, X ray and
Gamma-rays adversely affects to life entity.The electromagnetic wave that wavelength is longer than infrared ray does not cause chemical reaction generally, and high-strength
Material can be heated when spending.Further, electromagnetic wave once caused failure of the electric device such as semiconductor, pacemaker.
Hair-dryer is a kind of conventional small household appliances equipment, is primarily used to blow head hair.The structure of hair-dryer be all by shell,
Heating wire, blower fan, power line, power switch composition, its operation principle are to be generated heat after the heating wire in blower enclosure is powered, then
Its heat is produced by boasting at the air outlet of hair-dryer with blower fan, hair is heated.But electric heating while this work
Magnetic field radiation and electric field radiation also can leak out caused by line, blower fan, because the blower port in work is too near from head
And user is set to be damaged by electromagnetic radiation pollution.
The hair-dryer for eliminating radiation measure is taken more at present, and a part can only eliminate magnetic field radiation and can not eliminate electricity
Field radiation；Another part is poor for the eradicating efficacy of electric field radiation because screening arrangement is not grounded bleed-off circuit, still
There is substantial amounts of electric field radiation to leak.
Existing hair-dryer, an attaching plug is only connected with its power line, for High Level AC Voltage (civil power) to be turned
It is arranged on for the wiring board of low-voltage DC in shell, wiring board and motor connect together.Based on cost factor, the face of wiring board
Product will not be too small, therefore wiring board relatively keeps out the wind, and hair-dryer internal gas flow can be caused obstructed.
Utility model content
In view of this, the purpose of this utility model is overcome the deficiencies in the prior art, there is provided one kind can prevent electromagnetic wave
The hair-dryer of the electromagnetic-radiation-free to leak.
To realize object above, the utility model adopts the following technical scheme that：
A kind of hair-dryer for eliminating electromagnetic radiation, including shell, and heating wire and blower fan in the housing is set；
Also include power supply adaptor；The heating wire and blower fan are electrically connected by power line with the power supply adaptor；
The heating wire includes the first heating wire and the second heating wire, and the two wound side by side is in high temperature stent；It is described
First heating wire and the second heating wire are connected in reverse parallel between the input of power supply and output end, make first heating wire and
The sense of current in two heating wires is opposite；
The shell includes the screen layer with electromagnetic shielding action, and the screen layer is electrically connected with the zero line in power line
Connect.
The power supply adaptor includes wiring board, and AC-DC conversion module and automatic connecting to neutral electricity are provided with the wiring board
Road；
The heating wire is directly electrically connected by power line with city；
The AC-DC conversion module includes the rectification circuit being connected in series and decompression silk；The rectification circuit is by alternating current
Direct current is converted into, high voltage direct current is reduced to low-voltage DC by the decompression silk, and is powered to the blower fan；
The screen layer, power line and the automatic connecting to neutral circuit are sequentially connected electrically；The automatic connecting to neutral circuit is protected all the time
It is path to hold between the screen layer and zero line, and is open circuit between the screen layer and live wire.
The automatic connecting to neutral circuit includes relay J and its normally-closed contact J1, normally opened contact J2 and normally opened contact J3, also wraps
RC wave filters, triode T1 and photoelectrical coupler are included, the photoelectrical coupler includes light emitting diode D1 and photo resistance R0；
One end of the normally-closed contact J1 and one end of the normally opened contact J2 are connected with the both threads in power line respectively,
The one end of the other end of the normally-closed contact J1 and the normally opened contact J2 other end with the RC wave filters is connected；It is described
The other end of RC wave filters electrically connects with the screen layer；
The light emitting diode D1 is connected in parallel on the both ends of the RC wave filters, the both ends of the photo resistance R0 respectively with institute
The base stage for stating triode T1 connects with colelctor electrode；The base stage of the triode T1 passes through resistance R6 connection dc sources；Direct current
Source, the relay J, the emitter stage of the triode T1, resistance R7, the normally opened contact J3 and the triode T1 current collection
Pole is sequentially connected electrically；Dc source, electric capacity C2, resistance R8 and the triode T1 colelctor electrode are sequentially connected electrically；Electric capacity C2 with
Resistance R8 tie point also electrically connects with the screen layer.
The screen layer is paillon foil made of metal material, or the conductive coating coated in the case surface.
Ceramic honey comb is provided with the air outlet of the shell, being provided with the ceramic honey comb multiple can make hot-air
The through hole passed through.
The surface of the ceramic honey comb is coated with conductive coating.
Material used in the conductive coating is conductive paint, conductive carbon paste or conductive plastics.
The blower fan uses DC brushless motor.
The high temperature stent is made of mica or ceramic material.
The heating wire is made of nichrome or carbon fibre heating tube.
The utility model uses above technical scheme, and heating wire allows the electricity of both threads by the way of Double-wire parallel wound
Stream is in opposite direction, so as to offset magnetic field radiation caused by electrified wire；Shell includes screen layer, and screen layer connecting to neutral line, can
Effectively eliminate electric field radiation.It is of the present utility model it is simple in construction, cost is cheap, eliminate radiation effect it is good, versatile.This practicality
It is new that also power-switching circuit and control circuit are integrated into power supply adaptor, wiring board is no longer set in shell, makes to blow
The air-flow of blower interior is unobstructed.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of air blower structure schematic diagram for eliminating electromagnetic radiation of the utility model；
Fig. 2 is the structural representation of heating wire inside a kind of hair-dryer for eliminating electromagnetic radiation of the utility model；
Fig. 3 is a kind of air blower circuit structural representation for eliminating electromagnetic radiation of the utility model；
Fig. 4 is a kind of structural representation for the automatic connecting to neutral circuit of hair-dryer for eliminating electromagnetic radiation of the utility model.
In figure：1- shells；2- heating wires；3- blower fans；4- power supply adaptors；41-AC-DC modular converters；The automatic connecting to neutral of 42-
Circuit；421-RC wave filters；422- photoelectrical couplers；5- power lines；6- is switched；7- high temperature stents.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme is described in detail.Obviously, described embodiment is only the utility model part of the embodiment, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Resulting all other embodiment is put, belongs to the scope that the utility model is protected.
As shown in figure 1, the utility model provides a kind of hair-dryer for eliminating electromagnetic radiation, including shell 1, and it is arranged on
Heating wire 2 and blower fan 3 in shell 1.Also include being arranged on the power supply adaptor 4 outside shell 1, and be arranged on the table of shell 1
The switch 6 in face；Heating wire 2 and blower fan 3 are electrically connected by power line 5 with power supply adaptor 4；Switch 6 has multiple gears, can
Control the switching of supply line, additionally it is possible to adjust the power output of heating wire 2 and blower fan 3.Power supply adaptor 4 be mainly used in by
High Level AC Voltage (civil power) switchs to low-voltage DC, and is powered to heating wire 2 and blower fan 3.
Wherein, blower fan 3 uses DC brushless motor, has the advantages of small volume, efficiency high, dependable performance.
Power-switching circuit and control circuit are integrated into power supply adaptor 4 by the utility model, are no longer set in shell 1
Wiring board is put, makes the air-flow inside hair-dryer unobstructed.
As shown in Fig. 2 heating wire 2 includes the first heating wire 2 and the second heating wire 2, the two wound side by side is in high temperature resistant branch
On frame 7；First heating wire 2 and the second heating wire 2 are connected in reverse parallel between the input of power supply and output end, make the first heating wire
2 and second sense of current in heating wire 2 it is opposite.
It should be noted that high temperature stent 7 is hollow tubulose or frame-shaped structure, two heating wires 2 are with two-wire
And around mode be wound in coil, should be circular or polygon from the side.Insulated between two heating wires 2, and same root electricity
Also insulated between each circle of hot line 2.
Wherein, high temperature stent 7 is made of mica or ceramic material, and heating wire 2 uses nichrome or carbon fiber
Heat-generating pipe is made.
Heating wire 2 is configured in the manner described above, and the size of current passed through in two parallel lines is identical, direction phase
Instead, therefore the two caused magnetic field can cancel out each other.
It should be further stated that shell 1 includes the screen layer (not shown) with electromagnetic shielding action, shielding
Layer electrically connects with the zero line in power line 5.
Screen layer can be paillon foil made of metal material, and tinsel is arranged in the interlayer of plastic casing 1, or patch
In the internal layer of plastic casing 1.
Screen layer can also be the conductive coating coated in the surface of plastic casing 1.Material used in conductive coating is conduction
Paint, conductive carbon paste or conductive plastics.
As shown in figure 3, power supply adaptor 4 includes wiring board, AC-DC conversion module 41 is provided with wiring board and is connect automatically
Zero circuit 42.There are three branch roads on wiring board：
First branch road, heating wire 2 are directly electrically connected by power line 5 with city.
Article 2 branch road, civil power (220V exchanges) input AC-DC conversion module 41, AC-DC conversion module by power line 5
41 export galvanic current to blower fan 3, while+5V direct current power source voltage is provided to automatic connecting to neutral circuit 42.AC-DC is changed
Module 41 includes the rectification circuit being connected in series and decompression silk；Rectification circuit converts alternating current to direct current, is depressured silk by height
Pressure direct current is reduced to low-voltage DC.High Level AC Voltage is converted to low-voltage DC by AC-DC conversion module 41, and to blower fan 3
Power supply.
Article 3 branch road, screen layer, power line 5 and automatic connecting to neutral circuit 42 are sequentially connected electrically；Automatic connecting to neutral circuit 42 begins
It is path to keep eventually between screen layer and zero line, and is open circuit between screen layer and live wire.
At present, brushless electric machine is substantially is depressured with integrated circuit, and cost is very high, and the utility model takes decompression silk
To be depressured to brushless electric machine, to reduce cost.
As shown in figure 4, automatic connecting to neutral circuit 42 includes relay J and its normally-closed contact J1, normally opened contact J2 and normally opened touched
Point J3, in addition to RC wave filters 421, triode T1 and photoelectrical coupler 422, photoelectrical coupler 422 include light emitting diode
D1 and photo resistance R0.
Normally-closed contact J1 one end is connected by resistance R1 with A points, and normally opened contact J2 one end is connected by resistance R2 and B points
Connect, A points and B points are connected with the both threads in power line 5 respectively；The normally-closed contact J1 other end and the normally opened contact J2 other end
One end with RC wave filters 421 is connected；The other end of RC wave filters 421 is connected with C points, and C points pass through power line and screen layer
Electrical connection.
RC wave filters 421 include the electric capacity C1 and resistance R4 being connected in series, and the resistance R3 being connected in parallel on electric capacity C1.RC
The effect of wave filter 421 is to prevent city's electrical conduction to C points, namely prevents city's electrical conduction from producing danger to screen layer.
Light emitting diode D1 connects with protective resistance R5, and the two is connected in parallel on the both ends of RC wave filters 421, photo resistance R0's
Both ends are connected with triode T1 base stage b and colelctor electrode c respectively；Triode T1 base stage b passes through resistance R6 connection dc sources；
Dc source, relay J, triode T1 emitter e, resistance R7, normally opened contact J3 and triode T1 colelctor electrode c are electric successively
Connection；Dc source, electric capacity C2, resistance R8 and triode T1 colelctor electrode c are sequentially connected electrically；Electric capacity C2 and resistance R8 connection
Point also electrically connects with C points.
The operation principle of automatic connecting to neutral circuit 42 is as follows：
Under normal circumstances, the current potential of screen layer is virtually 0V, namely C points current potential is 0V.
When A point connecting to neutral lines, B points start to exchange fire line when, due to normally-closed contact J1 is connected and J2 disconnects, therefore voltage is between A, C
0；Then the D1 both end voltages in photoelectrical coupler 422 are that 0, D1 does not light, and photo resistance R0 resistance is big, the partial pressure on resistance R6
It is small, it is not turned between triode T1 base stage b and emitter e, relay J must not be electric, and automatic connecting to neutral circuit 42 does not work.
When A points are started to exchange fire line, during B point connecting to neutral lines, voltage is not 0 between A, C, so that there is voltage at light emitting diode D1 both ends
It is luminous；Photo resistance R0 receives illumination, and resistance reduces, the partial pressure increase on resistance R6；Then triode T1 base stage b and emitter stage
Turned between e, relay J obtains electric；Therefore normally-closed contact J1 is disconnected, normally opened contact J2 is connected, normally opened contact J3 is also connected, three poles
Pipe T1 can be remained turned on.So C points are just connected with zero line automatically, while are disconnected with live wire.
It should be further stated that being provided with ceramic honey comb in the air outlet of shell 1, it is provided with ceramic honey comb multiple
The through hole that can pass through hot-air.Ceramic honey comb is set to strengthen the efficiency of heat radiation at lower cost.
The surface of ceramic honey comb is coated with conductive coating.Material used in conductive coating is conductive paint, conductive carbon paste or
Conductive plastics.The conductive coating should contact with the screen layer on shell 1, screen layer is completely covered whole hair-dryer, avoid electricity
Magnetic radiation leaks.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.
Claims (10)
1. a kind of hair-dryer for eliminating electromagnetic radiation, including shell, and heating wire and blower fan in the housing is set；Its
It is characterised by：Also include power supply adaptor；The heating wire and blower fan are electrically connected by power line with the power supply adaptor；
The heating wire includes the first heating wire and the second heating wire, and the two wound side by side is in high temperature stent；Described first
Heating wire and the second heating wire are connected in reverse parallel between the input of power supply and output end, make first heating wire and the second electricity
The sense of current in hot line is opposite；
The shell includes the screen layer with electromagnetic shielding action, and the screen layer electrically connects with the zero line in power line.
A kind of 2. hair-dryer for eliminating electromagnetic radiation according to claim 1, it is characterised in that：The power supply adaptor bag
Wiring board is included, AC-DC conversion module and automatic connecting to neutral circuit are provided with the wiring board；
The heating wire is directly electrically connected by power line with city；
The AC-DC conversion module includes the rectification circuit being connected in series and decompression silk；The rectification circuit changes alternating current
Into direct current, high voltage direct current is reduced to low-voltage DC by the decompression silk, and is powered to the blower fan；
The screen layer, power line and the automatic connecting to neutral circuit are sequentially connected electrically；The automatic connecting to neutral circuit remains institute
It is path to state between screen layer and zero line, and is open circuit between the screen layer and live wire.
A kind of 3. hair-dryer for eliminating electromagnetic radiation according to claim 2, it is characterised in that：The automatic connecting to neutral circuit
Including relay J and its normally-closed contact J1, normally opened contact J2 and normally opened contact J3, in addition to RC wave filters, triode T1 and light
Electric coupler, the photoelectrical coupler include light emitting diode D1 and photo resistance R0；
One end of the normally-closed contact J1 and one end of the normally opened contact J2 are connected with the both threads in power line respectively, described
The one end of the normally-closed contact J1 other end and the normally opened contact J2 other end with the RC wave filters is connected；The RC filters
The other end of ripple device electrically connects with the screen layer；
The light emitting diode D1 is connected in parallel on the both ends of the RC wave filters, and the both ends of the photo resistance R0 are respectively with described three
Pole pipe T1 base stage connects with colelctor electrode；The base stage of the triode T1 passes through resistance R6 connection dc sources；Dc source, institute
State relay J, the emitter stage of the triode T1, resistance R7, the normally opened contact J3 and triode T1 colelctor electrode according to
Secondary electrical connection；Dc source, electric capacity C2, resistance R8 and the triode T1 colelctor electrode are sequentially connected electrically；Electric capacity C2 and resistance
R8 tie point also electrically connects with the screen layer.
A kind of 4. hair-dryer for eliminating electromagnetic radiation according to claim 1, it is characterised in that：The screen layer is metal
Paillon foil made of material, or the conductive coating coated in the case surface.
A kind of 5. hair-dryer for eliminating electromagnetic radiation according to claim 1, it is characterised in that：The air outlet of the shell
In be provided with ceramic honey comb, multiple through holes that can pass through hot-air are provided with the ceramic honey comb.
A kind of 6. hair-dryer for eliminating electromagnetic radiation according to claim 5, it is characterised in that：The table of the ceramic honey comb
Face is coated with conductive coating.
A kind of 7. hair-dryer of elimination electromagnetic radiation according to claim 4 or 6, it is characterised in that：The conductive coating
Material used is conductive paint, conductive carbon paste or conductive plastics.
A kind of 8. hair-dryer of elimination electromagnetic radiation according to any one of claim 1 to 6, it is characterised in that：The wind
Machine uses DC brushless motor.
A kind of 9. hair-dryer of elimination electromagnetic radiation according to any one of claim 1 to 6, it is characterised in that：It is described resistance to
High temperature support is made of mica or ceramic material.
A kind of 10. hair-dryer of elimination electromagnetic radiation according to any one of claim 1 to 6, it is characterised in that：The electricity
Hot line is made of nichrome or carbon fibre heating tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720692842.7U CN206808887U (en) | 2017-06-14 | 2017-06-14 | A kind of hair-dryer for eliminating electromagnetic radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720692842.7U CN206808887U (en) | 2017-06-14 | 2017-06-14 | A kind of hair-dryer for eliminating electromagnetic radiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206808887U true CN206808887U (en) | 2017-12-29 |
Family
ID=60760342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720692842.7U Active CN206808887U (en) | 2017-06-14 | 2017-06-14 | A kind of hair-dryer for eliminating electromagnetic radiation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206808887U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235466A (en) * | 2018-03-19 | 2018-06-29 | 徐佳杰 | Blowing air heating component and blowing heating movement and hot blow wind devices |
| WO2020001534A1 (en) * | 2018-06-28 | 2020-01-02 | 杭州乐秀电子科技有限公司 | Motor and hair dryer having same |
| CN112115671A (en) * | 2020-09-14 | 2020-12-22 | 纳瓦电子（上海）有限公司 | Circuit structure for improving electromagnetic radiation of clock signal end of processor and forming method thereof |
-
2017
- 2017-06-14 CN CN201720692842.7U patent/CN206808887U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235466A (en) * | 2018-03-19 | 2018-06-29 | 徐佳杰 | Blowing air heating component and blowing heating movement and hot blow wind devices |
| WO2020001534A1 (en) * | 2018-06-28 | 2020-01-02 | 杭州乐秀电子科技有限公司 | Motor and hair dryer having same |
| CN112115671A (en) * | 2020-09-14 | 2020-12-22 | 纳瓦电子（上海）有限公司 | Circuit structure for improving electromagnetic radiation of clock signal end of processor and forming method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191231 Address after: 310000 Room 603-2, 12 Block 1008, Xiangxiang Street, Cangqian Street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG SIAU ELECTRIC APPLIANCE CO., LTD. Address before: 310000, No. 29, No. 1, Jing Hui District, Haimen street, Jiaojiang District, Zhejiang, Taizhou Patentee before: Xu Xinyi |