CN205214542U - Automatic inductive switch's hair -dryer - Google Patents
Automatic inductive switch's hair -dryer Download PDFInfo
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- CN205214542U CN205214542U CN201520863932.9U CN201520863932U CN205214542U CN 205214542 U CN205214542 U CN 205214542U CN 201520863932 U CN201520863932 U CN 201520863932U CN 205214542 U CN205214542 U CN 205214542U
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Abstract
The utility model provides an automatic inductive switch's hair -dryer, relates to hair -dryer technical field, and it includes operating circuit, switch element and control the ON -OFF control circuit of switch element, the switch element concatenate to with control on the power supply line of operating circuit power supply the break -make of power supply line, ON -OFF control circuit is including being close induction element and response circuit, it locates to be close induction element the handle of hair -dryer, its sheltered from then to the response circuit sends and shelters from the signal, the response circuit was received control after sheltering from the signal the switch element switches on the power supply line. Be close on induction element locates the handle of hair -dryer, the user holds the handle of hair -dryer and takes up the hair -dryer, and the hair -dryer is just started working automatically, need not the switch of transferring the files to reduce the transfer the files number of times of switch of user, facilitate the use, prolong the life of hair -dryer. In addition, also can avoid the hair -dryer to work under the unserviced circumstances, factor of safety is high.
Description
Technical field
The utility model relates to hair-dryer technical field.
Background technology
Existing hair-dryer, its duty is controlled by the shifting switch on its hardware circuit, time user needs to use hair-dryer, hair-dryer is connected with the mains, regulate each shifting switch to start hair-dryer again, hair-dryer has multiple Parameter adjustable, such as temperature (power), wind speed and anion etc., hair-dryer is also just provided with multiple shifting switch and carrys out corresponding adjustment, each above-mentioned parameter all have many grades adjustable, after finishing using, usually (being namely transferred to initial position) to be made zero by regulating respectively each shifting switch of parameters, at least the shifting switch of regulating power to be made zero, now hair-dryer just quits work, when user needs to reuse hair-dryer, then need to readjust each shifting switch to suitable gear, hair-dryer just can be started working again.
Above-mentioned existing hair-dryer, even if be connected to power supply, all will regulate shifting switch when each use, more inconvenient.Especially often need the place of using hair-dryer in barber shop etc., hairdresser serves a client when repeatedly need use hair-dryer, and parameters is normally identical, does not need change, and this time, awkward problem was just more outstanding.In addition, access times are many, and shifting switch is easily damaged and lost efficacy, and its service life is lower.
The power supply failed when the above-mentioned existing hair-dryer of use for user, hair-dryer may be put down just have left, and each shifting switch do not made zero and pull out power line, behind city power recovery, hair-dryer will work on, and now nobody home, cannot work by Timeliness coverage hair-dryer, can generate heat in blower operation process, the working time is longer, accumulation of heat is more, just the accidents such as on fire may occur.
Summary of the invention
The purpose of this utility model is to provide a kind of hair-dryer of automatic inductive switch, and it can reduce the number of times that user regulates shifting switch, uses more convenient.
For achieving the above object, the utility model provides following technical scheme.
A kind of hair-dryer of automatic inductive switch, comprise operating circuit, the ON-OFF control circuit of switch element and the described switch element of control, described switch element is serially connected in the supply line of powering to described operating circuit to control the break-make of described supply line, described ON-OFF control circuit comprises close to sensing unit and response circuit, the described handle being located at described hair-dryer close to sensing unit, describedly to be blocked close to sensing unit, to send to described response circuit and block signal, supply line described in described switching means conductive is controlled after blocking signal described in described response circuit receives.This is technical scheme 1.
Set up described switch element to control the break-make of the supply line of described operating circuit, and control described switch element by described ON-OFF control circuit, described ON-OFF control circuit is provided with described close to sensing unit, describedly be located on the handle of hair-dryer close to sensing unit, the handle that user holds hair-dryer picks up hair-dryer when preparing to use, described sending to described response circuit close to sensing unit is blocked by the hand of user blocks signal, supply line described in described switching means conductive is controlled after blocking signal described in described response circuit receives, hair-dryer is just started working.When user picks up hair-dryer, hair-dryer, with regard to automatic operation, need not regulate shifting switch (the parameters work regulated when now hair-dryer used according to the last time), only have when needing to change described parameter and just need regulate shifting switch.So just can reduce the number of times that user regulates shifting switch, use more convenient, also can extend the service life of hair-dryer.When hair-dryer plugs in and is placed on family, timely shifting switch does not make zero, do not sense that user picks up hair-dryer due to described close to sensing unit, hair-dryer also can not work, avoid occurring hair-dryer in unattended and working time process causes the security incident such as on fire, safety coefficient is higher.
Hair-dryer according to technical scheme 1, describedly comprise the photoemission cell and photoelectric receiving tube that cooperatively interact close to sensing unit, describedly be blocked close to sensing unit, described photoelectric receiving tube receives the light of the thing reflection that is blocked that described photoemission cell is launched and conducting.This is technical scheme 2.
Hair-dryer according to technical scheme 2, described response circuit comprises resistance R3, resistance R6 and electric capacity C4, be connected between the positive pole of dc source and ground after described resistance R3 and the series connection of described photoelectric receiving tube, wherein said photoelectric receiving tube one end ground connection, described electric capacity C4 first end connects the contact between described photoelectric receiving tube and described resistance R3, second end connects the control end of described switch element, described resistance R6 one end connects the positive pole of described dc source, and the other end connects second end of described electric capacity C4.This is technical scheme 3.
Hair-dryer according to technical scheme 1, the handle of described hair-dryer is provided with movable baffle plate, and described baffle plate can be moved to and blocks position and block described close to sensing unit.Described baffle plate can be used for the mode of operation selecting hair-dryer, when blocking position described in being moved to by described baffle plate, describedly to block close to baffle plate described in sensing unit, described switch element is able to supply line described in constant conduction, now the duty of hair-dryer needs to be regulated by shifting switch, identical with the control mode of existing hair-dryer, be normal mode of operation; When blocking position described in being moved apart by described baffle plate, describedly not blocked by described baffle plate close to sensing unit, therefore can sense whether user picks up hair-dryer, control the break-make of described supply line accordingly, now the duty of hair-dryer can control automatically, is be automatic operation mode.This is technical scheme 4.
Hair-dryer according to technical scheme 3, the handle of described hair-dryer is provided with movable baffle plate, described ON-OFF control circuit also comprises anti-error start-up circuit, described anti-error start-up circuit comprises resistance R28 and selector switch SW1, described resistance R28 and selector switch SW1 is connected between the positive pole of described dc source and the control end of described switch element after connecting, described selector switch SW1 is connected with described baffle plate, when described selector switch SW1 disconnects, described baffle plate moves to and blocks position and block described close to sensing unit; When described selector switch SW1 closes, block position described in described baffle plate moves apart and remove described blocking close to sensing unit, described anti-error start-up circuit provides high potential to the control end of described switch element.As mentioned above, described baffle plate can be used for the mode of operation selecting hair-dryer, user can be switched between described normal mode of operation and automatic operation mode, described anti-error start-up circuit coordinates with described baffle plate, selector switch SW1 closes, position is blocked described in described baffle plate moves apart, hair-dryer is now in automatic operation mode, describedly to come out close to sensing unit, described photoelectric receiving tube can by sunlight, the light of multiple wave band is comprised in sunlight, but the intensity of the light of single wavelength is not high, therefore meeting conducting when described photoelectric receiving tube by sunlight, but not conducting completely, now described anti-error start-up circuit provides high potential to the control end of described switch element, add the difficulty that response circuit drags down the current potential of the control end of described switch element, the intensity of the corresponding light needing described photoelectric receiving tube to receive enough impels the degree of its conducting enough, thus the current potential of the control end of described switch element enough just can drag down with supply line described in conducting by the speed making electric capacity C4 be discharged over the ground by described photoelectric receiving tube, sunlight so can be prevented to be irradiated to described photoelectric receiving tube and to cause the situation of hair-dryer error starting to occur.This is technical scheme 5.
Hair-dryer according to technical scheme 5, the resistance of described resistance R3 is 22K Ω, and the resistance of described resistance R6 is 10K Ω, and the resistance of described resistance R28 is 1K Ω, and the capacitance of described electric capacity C4 is 1 μ F.So in circuit stability, prevent the aspects such as maloperation from all can reach optimum efficiency.This is technical scheme 6.
Hair-dryer according to technical scheme 3, described response circuit also comprises electric capacity C7, and described electric capacity C7 one end ground connection, the other end connects the contact between described photoelectric receiving tube and described resistance R3.This is technical scheme 7.
Hair-dryer according to technical scheme 7, the capacitance of described electric capacity C7 is 0.1 μ F.This is technical scheme 8.
Hair-dryer according to technical scheme 1, described switch element comprises the triode TR2 of positive-negative-positive, the triode TR3 of NPN type and bidirectional triode thyristor TR1, described bidirectional triode thyristor TR1 is serially connected in described supply line, described triode TR2 base stage is as the control end of described switch element, emitter stage connects the positive pole of described dc source, colelctor electrode is via a resistance eutral grounding, described triode TR3 base stage connects the colelctor electrode of described triode TR2, grounded emitter, colelctor electrode connects the control pole of described bidirectional triode thyristor TR1.This is technical scheme 9.
Hair-dryer according to technical scheme 2, described photoemission cell and photoelectric receiving tube are respectively infrared transmitting tube and infrared receiving tube.This is technical scheme 10.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the circuit of the hair-dryer of automatic inductive switch of the present utility model;
Fig. 2 is the schematic diagram of the partial circuit of the hair-dryer of automatic inductive switch of the present utility model;
Fig. 3 is the perspective view of the hair-dryer of automatic inductive switch of the present utility model.
Reference numeral comprises: accessory power supply 1, response circuit 2, anti-error start-up circuit 3, switch element 4, hair-dryer 5, handle 51, baffle plate 511, close to sensing unit 6, photoemission cell 61, photoelectric receiving tube 62.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is elaborated.
As Figure 1-3, the circuit of the hair-dryer of automatic inductive switch of the present utility model comprises operating circuit, switch element 4 and ON-OFF control circuit, described switch element 4 is serially connected in mains supply in the supply line that described operating circuit is powered to control the break-make of described supply line, described ON-OFF control circuit comprises close to sensing unit 6 and response circuit 2, as shown in Figure 3, on the described handle 51 being located at described hair-dryer 5 close to response unit, describedly to be blocked close to sensing unit 6, to send to described response circuit 2 and block signal, supply line described in the conducting of described switch element 4 is controlled after blocking signal described in described response circuit 2 receives.
See Fig. 1 and Fig. 2, the circuit of hair-dryer of the present utility model also comprises accessory power supply 1, the external civil power of accessory power supply 1, and processes civil power, thus provides dc source to described ON-OFF control circuit.As shown in Figure 2, diode D1 and D2 forms a rectifier, and electric main is rectified into direct current, electric capacity C2 plays the effect of step-down, Zener diode ZD1 is by the output voltage stabilization of accessory power supply 1 on a voltage value, and in the present embodiment, the output voltage of accessory power supply 1 is+12V.Wherein, the particular circuit configurations of accessory power supply 1 is not limited to described in the present embodiment, and those skilled in the art can carry out free setting according to the needs of ON-OFF control circuit, for civil power being converted to the direct current that ON-OFF control circuit needs.
In the present embodiment, describedly comprise the photoemission cell 61 and photoelectric receiving tube 62 that cooperatively interact close to sensing unit 6, photoemission cell 61 launches the light of specific wavelength, photoelectric receiving tube 62 receives the light of described specific wavelength of the thing reflection that is blocked thus conducting, in the present embodiment particularly, as shown in Figure 2, described photoemission cell 61 and photoelectric receiving tube 62 are respectively infrared transmitting tube LED1 and infrared receiving tube LED2, as shown in Figure 3, infrared transmitting tube LED1 and infrared receiving tube LED2 is arranged side by side and is arranged on the handle 51 of hair-dryer 5, they connect accessory power supply 1 to carry out work from accessory power supply 1 power taking.(handle 51 that such as user holds hair-dryer 5 picks up hair-dryer 5) is blocked close to sensing unit 6 if described, the light that infrared transmitting tube LED1 the sends thing that will be blocked reflects, just the light be reflected back can be received at the infrared receiving tube LED2 of infrared transmitting tube LED1 side, infrared receiving tube LED2 thus two-way admittance, now described response circuit 2 receives electronegative potential via infrared receiving tube LED2 ground connection, thus impels the action of described response circuit 2 and the supply line that gauge tap unit 4 conducting mains supply is powered to described operating circuit.
In the present embodiment particularly, as shown in Figure 2, switch element 4 comprises the triode TR2 of positive-negative-positive, the triode TR3 of NPN type and bidirectional triode thyristor TR1, their circuit connecting relation as shown in Figure 2, wherein IN end connects the power input of described operating circuit, and bidirectional triode thyristor TR1 is serially connected in described supply line to control the break-make of described supply line.Response circuit 2 comprises resistance R3, resistance R6 and electric capacity C4, and further, can also comprise electric capacity C7, their circuit connecting relation as shown in Figure 2.Described when not being blocked close to sensing unit 6, the light that infrared transmitting tube LED1 sends is not reflected back, and infrared receiving tube LED2 is now in cut-off state, electric capacity C4 is charged, the base stage of triode TR2 is in high potential, and triode TR2 ends, and bidirectional triode thyristor TR1 ends; Described when being blocked close to sensing unit 6, the light that infrared transmitting tube LED1 the sends thing that is blocked reflects, infrared receiving tube LED2 receives two-way admittance after described light, electric capacity C4 is thus via infrared receiving tube LED2 ground connection, electric capacity C4 discharges over the ground, the potential drop of the base stage of triode TR2 is low to moderate electronegative potential, triode TR2 thus conducting, bidirectional triode thyristor TR1 conducting.Wherein, the concrete structure of described switch element 4 is not limited to foregoing circuit, and other on-off circuits by voltage change gauge tap ON-OFF also may be used for replacing switch element 4 described in the present embodiment.
User grasps the handle 51 of hair-dryer 5, and the hand of user just blocks described close to sensing unit 6, bidirectional triode thyristor TR1 conducting, the described operating circuit of hair-dryer 5 thus electricly to start working; After user puts down hair-dryer 5, to be describedly no longer blocked close to sensing unit 6, bidirectional triode thyristor TR1 ends, the power-off and quitting work thus of the described operating circuit of hair-dryer 5.Describedly can perceive user close to sensing unit 6 and whether picked up hair-dryer 5, when user picks up or puts down hair-dryer 5, automatically the power supply of the described operating circuit of hair-dryer 5 is turned on and off, thus automatically start and turn off hair-dryer 5, the shifting switch that user need not stir hair-dryer 5 continually starts and turns off hair-dryer 5, easy to use, the user (such as hairdresser) that especially facilitating needs to use hair-dryer 5 continually uses.
Preferably, as shown in Figure 3, handle 51 place of hair-dryer of the present utility model is provided with movable baffle plate 511, and in the present embodiment, baffle plate 511 is used to the mode of operation switching hair-dryer of the present utility model.Baffle plate 511 can be stirred by user and move up and down.Baffle plate 511 moves just can block described close to sensing unit 6, baffle plate 511 now present position is and blocks position, now, owing to being blocked by baffle plate 511 close to sensing unit 6, as from the foregoing, bidirectional triode thyristor TR1 conducting, described supply line is switched on, whether cannot respond to user close to sensing unit 6 pick up or put down hair-dryer 5, now the control mode of hair-dryer of the present utility model is identical with existing hair-dryer, and this is normal mode of operation.Block position described in baffle plate moves away for 511 times and remove described blocking close to sensing unit 6, describedly can sense that user picks up or put down hair-dryer 5 close to sensing unit 6, automatically control hair-dryer 5 accordingly and start or turn off, this is automatic operation mode.
As shown in Figure 2, based on above-described embodiment, in another preferred embodiment, described ON-OFF control circuit also comprises anti-error start-up circuit 3, anti-error start-up circuit 3 comprises resistance R28 and selector switch SW1, and between the cathode output end that described resistance R28 and selector switch SW1 is connected to described accessory power supply 1 after connecting and the base stage of triode TR2, selector switch SW1 is connected with baffle plate 511, user stir baffle plate 511 moves to described in when blocking position, selector switch SW1 disconnects; User stir baffle plate move away for 511 times described in when blocking position, selector switch SW1 closes.When selector switch SW1 closes, anti-error start-up circuit 3 provides high potential to the control end of described first switching tube, so can increase the difficulty that response circuit 2 drags down the current potential of the base stage of triode TR2, now only have the conducting degree of infrared receiving tube LED2 enough thus the current potential of the base stage of triode TR2 enough could drag down and make triode TR2 conducting by the speed allowing electric capacity C4 discharge over the ground, sunlight so can be prevented to be irradiated to infrared receiving tube LED2 and to cause the situation of hair-dryer 5 error starting to occur.The light of multiple wave band is comprised in sunlight, but the intensity of the light of single wavelength is not high, when sunlight is irradiated to infrared receiving tube LED2, infrared receiving tube LED2 also can conducting, but now there is no complete conducting, its resistance is also larger, and (infrared receiving tube LED2 has photosensitive attribute, the illumination of specific wavelength is penetrated and can be reduced its resistance, the conducting of infrared receiving tube LED2 as herein described and cut-off, refer to its resistance little of ignoring with resistance greatly to the situation being equivalent to disconnect), the speed that electric capacity C4 is discharged over the ground by it is slower.
, the resistance of resistance R3 is 22K Ω in the present embodiment particularly, and the resistance of resistance R6 is 10K Ω, and the resistance of resistance R28 is 1K Ω, and the capacitance of electric capacity C4 is the capacitance of 1 μ F, electric capacity C7 is 0.1 μ F.So can allow the stability of described ON-OFF control circuit and prevent the best results of maloperation, certainly, in circuit, the concrete numerical value of resistance, electric capacity is not limited to above-mentioned numerical value, can be arranged by those skilled in the art according to actual needs.
The above disclosed preferred embodiment being only the invention, certainly can not limit the interest field of the invention, therefore according to the equivalent variations that the invention claim is done, still belong to the scope that the invention is contained with this.
Claims (10)
1. the hair-dryer of an automatic inductive switch, comprise operating circuit, it is characterized in that, also comprise the ON-OFF control circuit of switch element and the described switch element of control, described switch element is serially connected in the supply line of powering to described operating circuit to control the break-make of described supply line, described ON-OFF control circuit comprises close to sensing unit and response circuit, the described handle being located at described hair-dryer close to sensing unit, describedly to be blocked close to sensing unit, to send to described response circuit and block signal, supply line described in described switching means conductive is controlled after blocking signal described in described response circuit receives.
2. hair-dryer according to claim 1, it is characterized in that, describedly comprise the photoemission cell and photoelectric receiving tube that cooperatively interact close to sensing unit, to be describedly blocked close to sensing unit, described photoelectric receiving tube receives the light of the thing reflection that is blocked that described photoemission cell is launched and conducting.
3. hair-dryer according to claim 2, it is characterized in that, described response circuit comprises resistance R3, resistance R6 and electric capacity C4, be connected between the positive pole of dc source and ground after described resistance R3 and the series connection of described photoelectric receiving tube, wherein said photoelectric receiving tube one end ground connection, described electric capacity C4 first end connects the contact between described photoelectric receiving tube and described resistance R3, second end connects the control end of described switch element, described resistance R6 one end connects the positive pole of described dc source, and the other end connects second end of described electric capacity C4.
4. hair-dryer according to claim 1, is characterized in that, the handle of described hair-dryer is provided with movable baffle plate, and described baffle plate can be moved to and blocks position and block described close to sensing unit.
5. hair-dryer according to claim 3, it is characterized in that, the handle of described hair-dryer is provided with movable baffle plate, described ON-OFF control circuit also comprises anti-error start-up circuit, described anti-error start-up circuit comprises resistance R28 and selector switch SW1, described resistance R28 and selector switch SW1 is connected between the positive pole of described dc source and the control end of described switch element after connecting, described selector switch SW1 is connected with described baffle plate, when described selector switch SW1 disconnects, described baffle plate moves to and blocks position and block described close to sensing unit; When described selector switch SW1 closes, block position described in described baffle plate moves apart and remove described blocking close to sensing unit, described anti-error start-up circuit provides high potential to the control end of described switch element.
6. hair-dryer according to claim 5, is characterized in that, the resistance of described resistance R3 is 22K Ω, and the resistance of described resistance R6 is 10K Ω, and the resistance of described resistance R28 is 1K Ω, and the capacitance of described electric capacity C4 is 1 μ F.
7. hair-dryer according to claim 3, is characterized in that, described response circuit also comprises electric capacity C7, and described electric capacity C7 one end ground connection, the other end connects the contact between described photoelectric receiving tube and described resistance R3.
8. hair-dryer according to claim 7, is characterized in that, the capacitance of described electric capacity C7 is 0.1 μ F.
9. hair-dryer according to claim 3, it is characterized in that, described switch element comprises the triode TR2 of positive-negative-positive, the triode TR3 of NPN type and bidirectional triode thyristor TR1, described bidirectional triode thyristor TR1 is serially connected in described supply line, described triode TR2 base stage is as the control end of described switch element, emitter stage connects the positive pole of described dc source, colelctor electrode is via a resistance eutral grounding, described triode TR3 base stage connects the colelctor electrode of described triode TR2, grounded emitter, colelctor electrode connects the control pole of described bidirectional triode thyristor TR1.
10. hair-dryer according to claim 2, is characterized in that, described photoemission cell and photoelectric receiving tube are respectively infrared transmitting tube and infrared receiving tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520863932.9U CN205214542U (en) | 2015-10-30 | 2015-10-30 | Automatic inductive switch's hair -dryer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520863932.9U CN205214542U (en) | 2015-10-30 | 2015-10-30 | Automatic inductive switch's hair -dryer |
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| CN205214542U true CN205214542U (en) | 2016-05-11 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264285A (en) * | 2016-09-22 | 2017-01-04 | 中国地质大学（武汉） | A kind of hand dryer utilizing hair-dryer kinetic energy to convert |
| CN106491233A (en) * | 2016-11-29 | 2017-03-15 | 桂林市啄木鸟医疗器械有限公司 | A kind of novel dental therapeutic equipment |
| CN107898518A (en) * | 2017-11-28 | 2018-04-13 | 深圳市奇异鸟科技有限公司 | A kind of electric toothbrush and electric toothbrush control method |
| CN109480444A (en) * | 2018-12-10 | 2019-03-19 | 深圳和而泰智能控制股份有限公司 | A kind of Blowing drum |
| CN113633085A (en) * | 2021-08-31 | 2021-11-12 | 苏州小枣树网络科技有限公司 | Handheld blower and control method |
-
2015
- 2015-10-30 CN CN201520863932.9U patent/CN205214542U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264285A (en) * | 2016-09-22 | 2017-01-04 | 中国地质大学（武汉） | A kind of hand dryer utilizing hair-dryer kinetic energy to convert |
| CN106491233A (en) * | 2016-11-29 | 2017-03-15 | 桂林市啄木鸟医疗器械有限公司 | A kind of novel dental therapeutic equipment |
| CN106491233B (en) * | 2016-11-29 | 2018-10-19 | 桂林市啄木鸟医疗器械有限公司 | A kind of novel dental therapeutic equipment |
| CN107898518A (en) * | 2017-11-28 | 2018-04-13 | 深圳市奇异鸟科技有限公司 | A kind of electric toothbrush and electric toothbrush control method |
| CN109480444A (en) * | 2018-12-10 | 2019-03-19 | 深圳和而泰智能控制股份有限公司 | A kind of Blowing drum |
| CN109480444B (en) * | 2018-12-10 | 2024-04-09 | 深圳和而泰智能控制股份有限公司 | Blowing cylinder |
| CN113633085A (en) * | 2021-08-31 | 2021-11-12 | 苏州小枣树网络科技有限公司 | Handheld blower and control method |
| CN113633085B (en) * | 2021-08-31 | 2024-06-11 | 苏州小枣树网络科技有限公司 | Handheld blower and control method |
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