CN207055112U - Hand-held hair dryer - Google Patents
Hand-held hair dryer Download PDFInfo
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- CN207055112U CN207055112U CN201720509291.6U CN201720509291U CN207055112U CN 207055112 U CN207055112 U CN 207055112U CN 201720509291 U CN201720509291 U CN 201720509291U CN 207055112 U CN207055112 U CN 207055112U
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- blower fan
- air inlet
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Abstract
The utility model discloses a kind of hand-held hair dryer, it includes：Housing, air inlet, air outlet, blower fan module and heating module, the air inlet and air outlet are arranged on housing, it is characterized in that, air channel is provided with housing, air inlet, air outlet and air channel form the gas passage of insertion, and heating module and blower fan module are from top to bottom set in turn on the gas passage；Housing is in cylindrical shape, and air inlet is arranged at cylinder lower end, and air outlet is arranged at cylinder upper end and towards X-direction；Air outlet is in toroidal, the logical external world in centre；Blower fan module is made up of small-sized brushless motor and flabellum, and positioned at the middle part of gas passage.Its structure is remote and changed wind direction by air inlet and air outlet, while unique hair when avoiding use without exposed fan design is involved in, and improves security when using, and in light weight, small volume, using more convenient, improves practicality.
Description
Technical field
A kind of handheld device for hair nursing is the utility model is related to, especially a kind of hand-held hair dryer.
Background technology
At present in the dry hair and forming hair of hair nursing, the general hair care appliance for using hair dryer, existing skill
Hair dryer in art is mainly made up of brush motor, flabellum, resistive heater and switch.The closure switch after power supply is accessed,
Brush motor drive flabellum rotation actuating air, air through energization resistive heater be heated, finally from tuyere flow out with
Reach the purpose of dry hair, forming hair, and the hair dryer volume of said structure is larger, weight weight, in long-time use easily
Cause user tired out, in addition, flabellum is close to air inlet, exposed area is larger, causes the hair in use that easily occurs to be rolled up
Enter the risk of motor, so as to influence the convenience and practicality that use.
Utility model content
The purpose of this utility model be in order to solve above-mentioned technology deficiency and design a kind of compact, it is in light weight,
Avoid that the hand-held hair dryer that hair is involved in the motor of blower fan module by air inlet occurs.
The hand-held hair dryer of the utility model design, it includes：Housing, air inlet, air outlet, blower fan module and heating
Module, the air inlet and air outlet are arranged on housing, and air channel, air inlet, air outlet and air channel shape are provided with housing
Into the gas passage of insertion, heating module and blower fan module are from top to bottom set in turn on the gas passage；Housing is in circle
Bar shape, air inlet are arranged at cylinder lower end, and air outlet is arranged at cylinder upper end and towards X X directions；Air outlet is in
Toroidal, the logical external world in centre；Blower fan module is made up of small-sized brushless motor and flabellum, and positioned at the middle part of gas passage.
Further preferably, air inlet is made up of air inlet plate washer and filter screen, and air inlet plate washer is the shelves provided with some through holes
Plate, filter screen are sponge filter screen.
Further preferably, in addition to located at blower fan module bottom line control board, the bottom surface of air inlet baffle plate is provided with
Protective case, air inlet baffle plate and filter screen are sequentially inserted at the top of protective case, and inserted with power cable, circuit control in protective case
Plate is provided with transformer and microcontroller, and power cable is connected by transformer with microcontroller.
Further preferably, in addition to switch key and indicator lamp, switch key and indicator lamp are micro- with line control board
Controller connects.
Further preferably, in addition to temperature sensor, temperature adjustment button and silicon controlled rectifier, silicon controlled rectifier are first
Part, temperature sensor and temperature adjustment button are connected with the microcontroller of line control board, silicon controlled rectifier and heating
Module connects, and temperature sensor and heating module are on air channel.
Further preferably, in addition to for adjusting the wind-force regulating key of blower fan module wind-force, wind-force regulating key and line
The microcontroller connection of road control panel, line control board are provided with the power MOS for being used for that pulse width modulation to be carried out to direct current
The brushless electric machine connection of field-effect transistor, power MOS field effect transistor and blower fan module.
Further preferably, in addition to for controlling the brushless electric machine of blower fan module to carry out the control circuit of high rotating speed control,
And control circuit include comparator U21, comparator U22, comparator U23, resistance R10, resistance R11, resistance R12, resistance R13,
Resistance R14, resistance R15, resistance R17, resistance R18, resistance R44, R45, resistance R46, electric capacity C23, electric capacity C24 and electric capacity
C25；
Resistance R11 is connected in series with resistance R12, and resistance R14 is connected in series with resistance R15, and resistance R17 and resistance R18 goes here and there
Connection connection, resistance R12, resistance R15 and resistance R18 connect with the three-phase contact in high rotating speed blower fan on three-phase brushless motor respectively
Connect；
Comparator U21 inverting input, comparator U22 inverting input, comparator U23 inverting input, electricity
The one end of resistance R13 one end and resistance R16 one end with resistance R10 is connected, the tie point between resistance R11 and resistance R12
Be connected with the resistance R10 other end, the connection of the other end of tie point and R13 between resistance R14 and resistance R15, resistance R17 with
The other end connection of tie point and R16 between resistance R18, and tie point, resistance R14 between resistance R11 and resistance R12
The tie point between tie point, resistance R17 and resistance R18 between resistance R15 is the dividing point of voltage；
Comparator U21 in-phase input end be connected to tie point between resistance R11 and resistance R12 and resistance R10 it
Between, comparator U22 in-phase input end is connected between the tie point between resistance R14 and resistance R15 and resistance R13, is compared
Device U23 in-phase input end is connected between the tie point between resistance R117 and resistance R18 and resistance R16；
The output end of comparator U21 output end, comparator U22 output end and comparator U23 is and line control board
On microcontroller connection；
Resistance R44 both ends are connected with comparator U21 positive source and output end respectively；Resistance R45 both ends difference
It is connected with comparator U22 positive source and output end；Resistance R46 both ends respectively with comparator U23 positive source and defeated
Go out end connection；
The tie point between resistance R10 and dividing point and R11 earth terminal are connected respectively at electric capacity C23 both ends, electric capacity
The tie point between resistance R13 and dividing point and R14 earth terminal are connected respectively at C24 both ends, electric capacity C25 both ends difference
The earth terminal of tie point and R17 between resistance R16 and dividing point is connected.
Further preferably, the bottom in air channel is fixed with ionic discharge ring, and ionic discharge is located on the brushless electricity of blower fan module
At the top of machine, and ionic discharge ring is connected with the transformer in line control board, and the inner ring of ionic discharge ring, which is provided with, can produce greatly
Measure the tip with positive and negative charge ion wind.
Further preferably, the bottom in air channel is fixed with silica gel ring, and the brushless electric machine of blower fan module and flabellum are located at silicon
In cushion rubber.
Further preferably, heating module is in tabular, and is provided with radiating fin in flat heating module medial surface.
The hand-held hair dryer of the utility model design, its structure is remote and changed wind direction by air inlet and air outlet,
Unique hair when avoiding use without exposed fan design is involved in simultaneously, improves security when using, and in light weight,
Small volume, using more convenient, improve practicality.
Brief description of the drawings
Fig. 1 is the overall structure diagram (one) of embodiment；
Fig. 2 is the overall structure diagram (two) of embodiment；
Fig. 3 is the overall structure diagram (three) of embodiment；
Fig. 4 is the controling circuit structure figure of embodiment；
Fig. 5 is the commutation control flow chart of embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the scope of the utility model protection.
Embodiment：
As depicted in figs. 1 and 2, the hand-held hair dryer described by the present embodiment, it includes：Housing 10, air inlet 210, go out
Air port 710, blower fan module 300 and heating module 500, the air inlet 210 and air outlet 710 are arranged on housing 10, shell
Air channel 700 is provided with body 10, air inlet 210, air outlet 710 and air channel 700 form the gas passage of insertion, heated mould
Block 500 and blower fan module 300 are from top to bottom set in turn on the gas passage；Housing 10 is in cylindrical shape, air inlet 210
It is arranged at cylinder lower end, air outlet 710 is arranged at cylinder upper end and towards X X directions；Air outlet 710 is in annular
Shape, and the middle passage for leading to the external world is formed, and the shape of passage is in circular cone stage body shape, so as to the air outlet 710 of the structure design
The surrounding air of air outlet 710 can be driven to flow, together flowed with the high-speed air of air outlet 710, improve the air quantity of blowout, wind
Machine module 300 is made up of small-sized brushless motor 302 and flabellum 301, and positioned at the middle part of gas passage.Wherein blower fan module 300
It can also be formed by the neodymium iron boron outer rotor brushless motor 302 of high-energy-density and using the flabellum 301 of composite making, its
Feature be possess individual layer 0.2mm ultra-thin silicon steel sheet stack of laminations into stator and the motor of multi-disc ndfeb magnet composition turn
Son, it is hand-held so as to realize with can be more than 10 times by volume-diminished under power situation compared to the carbon brush electric motor with ferrite lattice
The volume of hair dryer is smaller, and weight is lighter.
Air inlet 210 is made up of air inlet plate washer 211 and filter screen 212 in the present embodiment, to stop the effect of foreign matter entrance；
Air inlet plate washer 211 is the plate washer provided with some through holes, and its through hole is aperture, to stop that larger barrier enters housing 10
It is interior；Filter screen 212 is sponge filter screen, to stop that the dust of smaller size smaller enters in housing 10 with hair；So that by above-mentioned to entering
The design in air port 210 has reached protection user, and hair will not be involved in use, while protection equipment inner body
Will not because enter foreign matter and caused by damage.
Also include the line control board 220 located at the bottom of blower fan module 300, the bottom of air inlet baffle plate 211 in the present embodiment
Face is provided with protective case 102, and the top of protective case 102 is sequentially inserted into air inlet baffle plate 211 and filter screen 212, and in protective case 102
Inserted with power cable 101, line control board 220 is provided with transformer 222 and microcontroller 221, and power cable 101 passes through
Transformer 222 is connected with microcontroller 221.Hand-held hair dryer need of work electric power, electric power are provided by power cable 101, are powered
The other end of cable 101 is used to connect commercial power socket, so as to realize electricity of the line control board 220 using the offer of power cable 101
Power controls the operating of complete machine, and protective case 102 is used to protect power cable 101 not suffer damage when reciprocally bending, Er Qiebian
There is depressor the DC inverter that provides power cable 101 to be used to driving blower fan module 300 and by low pressure for three-phase alternating current
The voltage of power supply is increased to 3000-4000V DC.
Also include switch key 611 and indicator lamp 614 in the present embodiment, switch key 611 and indicator lamp 614 are and line
The microcontroller 221 of road control panel 220 connects.Its structure is realized to be completed with the prompting hair dryer energization that lights of indicator lamp 614, together
When press switch key after, prompt the blower fan module 300 of hair dryer and the heating module 500 to be with the color transition of indicator lamp 614
No startup.
Also include temperature sensor 621, temperature adjustment button 613 and silicon controlled rectifier 223 in the present embodiment, can
Control the microcontroller 221 of silicon rectifier cell 223, temperature sensor 621 and temperature adjustment button 613 with line control board 220
Connection, silicon controlled rectifier 223 is connected with heating module 500, and temperature sensor 621 and heating module 500 are located at air channel
On 700.The electric main that power cable 101 provides is adjusted voltage by line control board 220 by silicon controlled rectifier 223
Afterwards to drive heating module 500 to start to heat the air flowed through, meanwhile, the meeting of line control board 220 in the process of running
The temperature data of the real-time detection of collecting temperature sensor 621, and with this heating power to resistive heater in heating module 500
Enter Mobile state adjustment, keep the air themperature of blowout to meet the setting value of user, and obtain the constant of leaving air temp；Circuit controls
Plate 220 for the sample frequency of temperature data be up to 50 times it is per second, even if there is the blocked situation of air outlet or air inlet, go out
Air temperature also will not be too high so as to damage hair or trigger risk on fire, so as to improve security performance and performance.
Also include being used for the wind-force regulating key 612 for adjusting the wind-force of blower fan module 300, wind-force regulating key in the present embodiment
612 are connected with the microcontroller 221 of line control board 220, and line control board 220 is provided with wide for entering horizontal pulse to direct current
Spend the power MOS field effect transistor 224 of modulation, power MOS field effect transistor 224 and the brushless electric machine of blower fan module 300
302 connections.Wherein line control board 220 can detect start letter after power supply is accessed with the state of detection switch button 611
The setting value for sliding button 612 is adjusted after number according to wind-force, now, the direct current that transformer 222 provides power cable 101 is inverse
It is changed into three-phase alternating current to be used to drive blower fan module 300, line control board 220 utilizes the (letter of power MOS field effect transistor 224
Claim power MOSFET) pulse width modulation is carried out to direct current, realize and the rotating speed of blower fan module 300 is controlled, so as to control
Air quantity processed, its structure make it that the control to wind-force is more convenient reliable, improve performance.
As shown in figure 4, also include being used to control the brushless electric machine 302 of blower fan module 300 to carry out high rotating speed in the present embodiment
The control circuit 225 of control, and control circuit 225 includes comparator U21, comparator U22, comparator U23, resistance R10, resistance
R11, resistance R12, resistance R13, resistance R14, resistance R15, resistance R17, resistance R18, resistance R44, R45, resistance R46, electric capacity
C23, electric capacity C24 and electric capacity C25；Resistance R11 is connected in series with resistance R12, and resistance R14 is connected in series with resistance R15, resistance
R17 is connected in series with resistance R18, resistance R12, resistance R15 and resistance R18 respectively with high rotating speed blower fan on three-phase brushless motor
Three-phase contact portion；
Comparator U21 inverting input, comparator U22 inverting input, comparator U23 inverting input, electricity
The one end of resistance R13 one end and resistance R16 one end with resistance R10 is connected, the tie point between resistance R11 and resistance R12
Be connected with the resistance R10 other end, the connection of the other end of tie point and R13 between resistance R14 and resistance R15, resistance R17 with
The other end connection of tie point and R16 between resistance R18, and tie point, resistance R14 between resistance R11 and resistance R12
The tie point between tie point, resistance R17 and resistance R18 between resistance R15 is the dividing point of voltage；
Comparator U21 in-phase input end be connected to tie point between resistance R11 and resistance R12 and resistance R10 it
Between, comparator U22 in-phase input end is connected between the tie point between resistance R14 and resistance R15 and resistance R13, is compared
Device U23 in-phase input end is connected between the tie point between resistance R117 and resistance R18 and resistance R16；
The output end of comparator U21 output end, comparator U22 output end and comparator U23 is and line control board
Microcontroller 221 on 220 connects；
Resistance R44 both ends are connected with comparator U21 positive source and output end respectively；Resistance R45 both ends difference
It is connected with comparator U22 positive source and output end；Resistance R46 both ends respectively with comparator U23 positive source and defeated
Go out end connection；
The tie point between resistance R10 and dividing point and R11 earth terminal are connected respectively at electric capacity C23 both ends, electric capacity
The tie point between resistance R13 and dividing point and R14 earth terminal are connected respectively at C24 both ends, electric capacity C25 both ends difference
The earth terminal of tie point and R17 between resistance R16 and dividing point is connected.
During the arrangement works of its above-mentioned control circuit, the connecting line on connecting line MOTOR_A, resistance R15 on resistance R12
Connecting line MOTOR_C on MOTOR_B, resistance R18 is the drives line being connected with three-phase brushless motor, passes through resistance R10, resistance
R13, resistance R16 can comparator U21, comparator U22, comparator U23 inverting input connecting line on produce midpoint
Current potential SENSE_M, and can change ratio for the ratio of different motors adjustment R11/R12, R14/R15, R17/R18 resistance
Compared with device U21, comparator U22, comparator U23 upset opportunity, after comparator is by comparing midpoint potential SENSE_M and partial pressure
Motor three-phase signal EMBF_A, EMBF_B, EMBF_C so as to exporting the zero passage front signal represented with low and high level, microcontroller
221 only need to detect that the low and high level zero cross signal of comparator output can determine whether zero passage, the Analog-digital Converter without complexity
And computing.
Simultaneously as shown in figure 5, microcontroller 221 can first determine whether motor phase during electric motor starting, phase angle is in setting model
Can be determined whether when enclosing interior comparator output whether zero passage front signal correct and the cumulative normal zero cross signal of storage, examining
Electric motor starting is normal after measuring enough correct zero cross signals, on the contrary then brake and provide report into normal commutation computing
Alert signal.
Its above-mentioned control circuit has the beneficial effect that：By significantly simplifying the calculating for zero cross signal, micro-control is reduced
The calculating pressure of device 221 processed, and microcontroller 221 only can judge motor zero passage by detecting low and high level, optimize calculating
Flow, system operations amount is reduced when realizing same driving force and protective capability；The relatively low low property of price can be utilized simultaneously
Can microcontroller 221 achieve that the driving of high-revolving brushless electric machine, reduce the hand-held hair dryer of manufacture manufacturing cost and
Selling cost in sale, further, it can quickly judge and carry out high rotating speed operation after controlled motor driving, simultaneously
Also there is protection circuit control panel 220 and brushless electric machine.
The bottom in air channel 700 is fixed with ionic discharge ring 401 in the present embodiment, and ionic discharge ring 401 is located at blower fan module
300 top of brushless electric machine 302, and ionic discharge ring 401 is connected with the transformer 222 in line control board 220, ionic discharge
The inner ring of ring 401 is provided with the tip that can be produced largely with positive and negative charge ion wind.Wherein, produced to reduce electrostatic for hair
Raw influence and the structure designed, transformer carries out transformation to the low-tension supply of input in line control board 220, by voltage liter
Up to 3000-4000V DC, and be connected by pressure-resistant cable with ionic discharge ring 401.Ionic discharge ring 401 is by stainless steel substrates system
Into ion wind can neutralize the electrostatic of body surface after blowing out, when body surface carries positive charge, can attract in ion stream
Negative electrical charge, on the contrary, when body surface carries negative electrical charge, the positive charge in ion stream can be attracted, and reach and neutralize object table
The purpose of the electrostatic in face, improve performance.
The bottom in air channel 700 is fixed with silica gel ring 310, and the He of brushless electric machine 302 of blower fan module 300 in the present embodiment
Flabellum 301 is in silica gel ring.Do not contacted directly with cylindrical shell by silica gel ring blower fan module 300, Er Qiefeng
Machine module 300 is wrapped up by silica gel ring 310, vibrations pair when reducing brushless electric machine 302 and the work of flabellum 301 of blower fan module 300
In the influence of grip feeling and noise.
As shown in figure 3, heating module 500 is in tabular in the present embodiment, and set in flat heating module medial surface
There is radiating fin 501, its structure causes the heat after heater plate to intersperse among speed in air channel, improves heating module
Heating properties, and quickly leaving air temp can be improved to design temperature, avoid occurring because temperature improved it is slow cause it is straight
Connect and blow in the effect for flu of being caught a cold on hair.
Operation principle：Housing 10 provides the pressure vertically dried upwards, extraneous air warp by blower fan module 300 at work
Enter device interior after crossing air inlet baffle plate 211, the filter screen that filter screen 212 forms, flow through line control board 220 and blower fan module
300, heating module 500 is passed upward through, is finally flowed out via behind air channel 700 by air outlet 710.The air velocity in air channel 700
Repeatedly improved, reach most high speed in air outlet 710, so as to which the air projected at a high speed can drive the surrounding air of air outlet 710
Flowing, together flows with the high-speed air of air outlet 710, improves the air quantity of blowout, while the air sucked is before air outflow
Air is heated by heating module 500, so as to realize hair nursing and moulding, or for other damp items
Drying, wherein the model of above-mentioned microcontroller uses STM32F103CBT6.
The utility model is not limited to above-mentioned preferred forms, and anyone can draw under enlightenment of the present utility model
Other various forms of products, however, make any change in its shape or structure, it is every that there is same as the present application or phase
Approximate technical scheme, all falls within the scope of protection of the utility model.
Claims (10)
1. a kind of hand-held hair dryer, it includes：
Housing, air inlet, air outlet, blower fan module and heating module, the air inlet and air outlet are arranged on housing；
Characterized in that, being provided with air channel in housing, air inlet, air outlet and air channel form the gas passage of insertion, heating
Module and blower fan module are from top to bottom set in turn on the gas passage；
Housing is in cylindrical shape, and air inlet is arranged at cylinder lower end, and air outlet is arranged at cylinder upper end and towards X transverse axis sides
To；Air outlet is in toroidal, the logical external world in centre；
Blower fan module is made up of small-sized brushless motor and flabellum, and positioned at the middle part of gas passage.
2. hand-held hair dryer according to claim 1, it is characterised in that air inlet is made up of air inlet plate washer and filter screen,
Air inlet plate washer is the plate washer provided with some through holes, and filter screen is sponge filter screen.
3. hand-held hair dryer according to claim 2, it is characterised in that also include the circuit control located at blower fan module bottom
Making sheet, the bottom surface of air inlet baffle plate are provided with protective case, air inlet baffle plate and filter screen are sequentially inserted at the top of protective case, and protect
Transformer and microcontroller are provided with inserted with power cable, line control board in set, power cable passes through transformer and micro-control
Device connection processed.
4. hand-held hair dryer according to claim 3, it is characterised in that also pressed including switch key and indicator lamp, switch
Key and indicator lamp are connected with the microcontroller of line control board.
5. hand-held hair dryer according to claim 4, it is characterised in that also including temperature sensor, temperature adjustment button
And silicon controlled rectifier, the micro-control of silicon controlled rectifier, temperature sensor and temperature adjustment button with line control board
Device connection processed, silicon controlled rectifier are connected with heating module, and temperature sensor and heating module are on air channel.
6. hand-held hair dryer according to claim 5, it is characterised in that also include being used for the wind for adjusting blower fan module wind-force
The microcontroller connection of power regulating key, wind-force regulating key and line control board, line control board, which is provided with, to be used for direct current
Electricity carries out the power MOS field effect transistor of pulse width modulation, power MOS field-effect transistors and blower fan module it is brushless
Motor connection.
7. hand-held hair dryer according to claim 6, it is characterised in that also include being used for the brushless electricity for controlling blower fan module
Machine carries out the control circuit of high rotating speed control, and control circuit includes comparator U21, comparator U22, comparator U23, resistance
R10, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, resistance R17, resistance R18, resistance R44, R45, resistance
R46, electric capacity C23, electric capacity C24 and electric capacity C25；
Resistance R11 is connected in series with resistance R12, and resistance R14 is connected in series with resistance R15, and resistance R17 connects company with resistance R18
Connect, resistance R12, resistance R15 and resistance R18 respectively with the three-phase contact portion in high rotating speed blower fan on three-phase brushless motor；
Comparator U21 inverting input, comparator U22 inverting input, comparator U23 inverting input, resistance R13
One end and resistance R16 one end with resistance R10 of one end be connected, tie point and resistance between resistance R11 and resistance R12
R10 other end connection, the other end connection of tie point and R13 between resistance R14 and resistance R15, resistance R17 and resistance
The other end connection of tie point and R16 between R18, and tie point, resistance R14 and electricity between resistance R11 and resistance R12
The tie point between tie point, resistance R17 and resistance R18 between resistance R15 is the dividing point of voltage；
Comparator U21 in-phase input end is connected between the tie point between resistance R11 and resistance R12 and resistance R10, is compared
Device U22 in-phase input end is connected between the tie point between resistance R14 and resistance R15 and resistance R13, comparator U23's
In-phase input end is connected between the tie point between resistance R117 and resistance R18 and resistance R16；
The output end of comparator U21 output end, comparator U22 output end and comparator U23 with line control board
Microcontroller connects；
Resistance R44 both ends are connected with comparator U21 positive source and output end respectively；Resistance R45 both ends respectively with than
Positive source compared with device U22 connects with output end；The resistance R46 both ends positive source and output end with comparator U23 respectively
Connection；
The tie point between resistance R10 and dividing point and R11 earth terminal are connected respectively at electric capacity C23 both ends, electric capacity C24's
The tie point between resistance R13 and dividing point and R14 earth terminal are connected respectively at both ends, electric capacity C25 both ends respectively with electricity
Tie point between resistance R16 and dividing point connects with R17 earth terminal.
8. hand-held hair dryer according to claim 3, it is characterised in that the bottom in air channel is fixed with ionic discharge ring, from
Electron discharge is located at the top of the brushless electric machine of blower fan module, and ionic discharge ring is connected with the transformer in line control board, from
The inner ring of electron discharge ring is provided with the tip that can be produced largely with positive and negative charge ion wind.
9. hand-held hair dryer according to claim 8, it is characterised in that the bottom in air channel is fixed with silica gel ring, and blower fan
The brushless electric machine and flabellum of module are in silica gel ring.
10. hand-held hair dryer according to claim 5, it is characterised in that heating module is in tabular, and in flat
Heating module medial surface is provided with radiating fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720509291.6U CN207055112U (en) | 2017-05-09 | 2017-05-09 | Hand-held hair dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720509291.6U CN207055112U (en) | 2017-05-09 | 2017-05-09 | Hand-held hair dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207055112U true CN207055112U (en) | 2018-03-02 |
Family
ID=61504524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720509291.6U Active CN207055112U (en) | 2017-05-09 | 2017-05-09 | Hand-held hair dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207055112U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108851462A (en) * | 2017-05-09 | 2018-11-23 | 深圳市物种起源科技有限公司 | Hand-held hair dryer |
| WO2019239091A1 (en) * | 2018-06-11 | 2019-12-19 | Dyson Technology Limited | Attachment for a handheld appliance |
-
2017
- 2017-05-09 CN CN201720509291.6U patent/CN207055112U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108851462A (en) * | 2017-05-09 | 2018-11-23 | 深圳市物种起源科技有限公司 | Hand-held hair dryer |
| WO2019239091A1 (en) * | 2018-06-11 | 2019-12-19 | Dyson Technology Limited | Attachment for a handheld appliance |
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