CN207691778U - A kind of skin care device - Google Patents
A kind of skin care device Download PDFInfo
- Publication number
- CN207691778U CN207691778U CN201721526771.XU CN201721526771U CN207691778U CN 207691778 U CN207691778 U CN 207691778U CN 201721526771 U CN201721526771 U CN 201721526771U CN 207691778 U CN207691778 U CN 207691778U
- Authority
- CN
- China
- Prior art keywords
- circuit
- electrically connected
- switch
- skin
- switch circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The utility model embodiment is related to a kind of skin care device, the skin care device, including the first skin contact, Second Skin contact, first switch circuit, second switch circuit, control circuit and regulator circuit；First skin contact and the Second Skin contact are used for nursing skin.The utility model embodiment is by being arranged by the first supply voltage, first switch circuit, first skin contact, Second Skin contact, second switch circuit, regulator circuit and second source voltage form circuit, in the first skin contact and Second Skin contact skin and control circuit control first switch circuit and second switch circuit turn-on, a voltage value will be generated in the common connection end of second switch circuit and regulator circuit, control circuit can determine whether skin care device contacts human skin by detecting the voltage value of the common connection end, so as to so that skin care device with human contact after start to work again, save energy consumption.
Description
Technical field
The utility model embodiment is related to personal care's technical field of intelligent equipment, is set more particularly to a kind of skin nursing
It is standby.
Background technology
As the improvement of people's living standards, the use of the skin care devices such as beauty instrument, U.S. face instrument is more and more extensive.It is existing
Skin care device on be usually provided with operation key, skin care device is started to work after push key.
During realizing the utility model, inventor has found that the relevant technologies have at least the following problems：In operation key quilt
Rear skin care device is pressed to start to work, but at this time skin care device not yet and human contact, the electricity consumed at this time
It can could not be converted into effect.Under a care cycle, this function operation for being not exposed to skin care device under human body
Time can account for the 1/20~1/15 of total run time, cause the waste of electric energy.
Invention content
The purpose of the utility model embodiment is to provide a kind of skin care device, can detect skin care device whether with
Human contact, to make skin care device with just start to work after human contact, save energy consumption.
In order to solve the above technical problems, the technical solution that the utility model embodiment uses is：A kind of skin nursing
Equipment, including the first skin contact, Second Skin contact, first switch circuit, second switch circuit, control circuit and voltage stabilizing electricity
Road；
First skin contact and the Second Skin contact are used for nursing skin；
The first end of the first switch circuit and the second switch circuit is all connected with the control circuit, and described first
The third end of switching circuit is electrically connected first skin contact, and the second end of the first switch circuit is electrically connected first
The second end of supply voltage, the second switch circuit is electrically connected the Second Skin contact, the second switch circuit
Third end is electrically connected second source voltage by the regulator circuit；
The public connecting end of the regulator circuit and the second switch circuit is electrically connected the control circuit；
The control circuit is used to control the turn-on and turn-off of the first switch circuit and the second switch circuit, with
And the voltage of the public connecting end of the second switch circuit and the regulator circuit is detected, to confirm first skin contact
With the Second Skin contact whether with skin contact.
Optionally, the control circuit includes controller and third switching circuit；
One end of the third switching circuit is electrically connected the controller, and the other end is electrically connected described first and opens
The first end on powered-down road and the second switch circuit；
The controller is electrically connected the public connecting end of the second switch circuit and the regulator circuit, the control
Device be used for by control the turn-on and turn-off of the third switching circuit control first switch circuit, second switch circuit is led
Logical and shutdown, and detect the voltage of the public connecting end of the second switch circuit and the regulator circuit.
Optionally, the first switch circuit includes first switch pipe, and the second switch circuit includes second switch pipe,
The third switching circuit includes third switching tube；
The first end of the first switch pipe and the second switch pipe is electrically connected the third of the third switching tube
The second end at end, the first switch pipe is electrically connected first supply voltage, and the third end of the first switch pipe is electrical
Connecting first skin contact, the second end of the second switch pipe is electrically connected the Second Skin contact, and described second
The third end of switching tube is electrically connected the regulator circuit；
The first end of the third switching tube is electrically connected the controller, and the second end of the third switching tube electrically connects
Connect the second source voltage.
Optionally, the regulator circuit includes the zener diode being connected in parallel and first resistor；
The cathode of the zener diode is electrically connected the third end of the second switch pipe, and the zener diode is just
Pole is electrically connected the second source voltage；
The first resistor is connected in series between the third end of the second switch pipe and the second source voltage.
Optionally, the third switching circuit further includes second resistance, and the second resistance is electrically connected at the third
Between the first end of switching tube and the controller.
Optionally, the first switch circuit further includes 3rd resistor and the 4th resistance；
The 3rd resistor is electrically connected at the third end of the first end and the third switching tube of the first switch pipe
Between, the 4th resistance is electrically connected between the third end of the first switch pipe and first skin contact.
Optionally, the second switch circuit further includes the 5th resistance, and the 5th resistance is electrically connected at described second
Between the first end of switching tube and the third end of the third switching tube.
Optionally, the first switch circuit further includes the 6th resistance, and the 6th resistance is electrically connected at described first
Between the second end of switching tube and the third end of the third switching tube.
Optionally, the third switching circuit further includes the 7th resistance, and the 7th resistance is electrically connected at the third
Between the first end and second end of switching tube.
Optionally, the skin care device further includes the filter circuit being made of the first capacitance and the 8th resistance；
The common connection end of 8th resistance and the first capacitance connects the controller, the other end of the 8th resistance
The common connection end of the regulator circuit and the second switch circuit is connected, the other end of first capacitance is electrically connected institute
State second source voltage.
The advantageous effect of the utility model embodiment is：The utility model embodiment by setting by the first supply voltage,
First switch circuit, the first skin contact, Second Skin contact, second switch circuit, regulator circuit and second source voltage group
At circuit, opened in the first skin contact and Second Skin contact skin and control circuit control first switch circuit and second
When closing circuit turn-on, a voltage value will be generated in the common connection end of second switch circuit and regulator circuit, control circuit passes through
Detecting the voltage value of the common connection end can determine whether skin care device contacts human skin, so as to so that skin protects
Reason equipment with human contact after start to work again, save energy consumption.
Description of the drawings
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element with same reference numbers label is expressed as similar element in attached drawing, removes
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the electrical block diagram for the skin care device that the utility model embodiment provides；
Fig. 2 is the electrical block diagram for the skin care device that the utility model embodiment provides；
Fig. 3 is the electrical block diagram for the skin care device that the utility model embodiment provides；
Fig. 4 is the electrical block diagram for the skin care device that the utility model embodiment provides；
Fig. 5 is the electrical block diagram for the skin care device that the utility model embodiment provides；
Fig. 6 is the electrical block diagram for the skin care device that the utility model embodiment provides.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
It should be noted that when element is expressed " being fixed on " another element, it can directly on another element,
Or may exist one or more elements placed in the middle therebetween.When an element is expressed " connection " another element, it can be with
It is directly to another element or may exist one or more elements placed in the middle therebetween.Used in this specification
Term " vertically ", " horizontal ", "left", "right" and similar statement are for illustrative purposes only.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of technical staff in art field is identical.Art used in the description of the utility model in this specification
Language, which is only for the purpose of describing specific embodiments, is not intended to limitation the utility model.Term used in this specification
"and/or" includes any and all combinations of one or more relevant Listed Items.
Please with reference to Fig. 1-Fig. 3, the utility model embodiment provides a kind of skin care device, the skin nursing
Equipment includes the first skin contact TP1, Second Skin contact TP2, first switch circuit 20, second switch circuit 30, control electricity
Road 10 and regulator circuit 40.The first end of first switch circuit 20 and second switch circuit 30 is all connected with control circuit 10, and first
The third end of switching circuit 20 is electrically connected the first skin contact TP1, and the second end of first switch circuit 20 is electrically connected first
The second end of supply voltage, second switch circuit is electrically connected Second Skin contact TP2, and the third end of second switch circuit 30 is logical
It crosses regulator circuit 40 and is electrically connected second source voltage, the ends the public connecting end A electricity of regulator circuit 40 and second switch circuit 30
Property connection control circuit 10.
Wherein, the first skin contact TP1 and Second Skin contact TP2 is for contacting skin, and control circuit 10 is for controlling
The turn-on and turn-off of first switch circuit 20 and second switch circuit 30, and detect the voltage at the ends A.When control circuit 10 controls
When first switch circuit 20 and second switch circuit 30 are connected, if the first skin contact TP1 and Second Skin contact TP2 contacts
Human body, human body are equivalent to a resistance, in the first supply voltage, first switch circuit 20, the first skin contact TP1, the second skin
There to be electric current generation between skin contact TP2, second switch circuit 30, regulator circuit 40 and second source voltage, and pass through voltage stabilizing electricity
Road 40 will A points generate a voltage value, control circuit 10 by detect the voltage value can determine the first skin contact TP1 and
Second Skin contact TP2 contacts human body.If the first skin contact TP1 and Second Skin contact TP2 do not contact human body, the first skin
It is open circuit between skin contact TP1 and Second Skin contact TP2, A point voltages are second source voltage, and control circuit 10 passes through detection
A point voltage values at this time can determine that the first skin contact TP1 and Second Skin contact TP2 do not contact human body.
In practical applications ,+12V voltages may be used in the first supply voltage, and second source voltage can be that GND is grounded
End, in this way if control circuit 10 detects A point voltage values as 0 it may determine that the first skin contact TP1 and Second Skin touch
Point TP2 does not contact human body.Wherein, the first supply voltage and second source voltage can be by the power supply electricity inside skin care device
Road provides, and can also be provided by external power supply.
Wherein, as shown in Fig. 2, the control circuit 10 includes controller 11 and third switching circuit 12, third switch electricity
The one end on road 12 is electrically connected controller 11, and first switch circuit 20 and second switch circuit 30 is electrically connected in the other end
First end.Controller 11 is also electrically connected the ends A, controller 11 be used for by control the turn-on and turn-off of third switching circuit 12 come
Control the turn-on and turn-off of first switch circuit 20, second switch circuit 30.Third switching circuit is isolated in first switch electricity
Between road, second switch circuit and controller 11, it can be generated to avoid in the first skin contact TP1 and Second Skin contact TP2
Electrostatic and the first supply voltage damage controller 11.
Specifically, as shown in figure 3, first switch circuit 20 includes first switch pipe Q1, second switch circuit 30 includes the
Two switching tube Q2, third switching circuit 12 include third switching tube Q3.
The first end of first switch pipe Q1 and second switch pipe Q2 are electrically connected the third end of third switching tube Q3, the
The second end of one switching tube Q1 is electrically connected the first supply voltage, and third end is electrically connected the first skin contact TP1.Second switch
The second end of pipe Q2 is electrically connected Second Skin contact TP2, and third end is electrically connected regulator circuit 40.The of third switching tube Q3
One end is electrically connected controller 11, and second end is electrically connected second source voltage.
Wherein, controller 11 can be the microcontrollers such as microcontroller.First switch pipe Q1, second switch pipe Q2 and third are opened
It can be triode to close pipe Q3.When first switch pipe Q1, second switch pipe Q2 and third switching tube Q3 are triode, first opens
It can be PNP type triode to close pipe Q1 and second switch pipe Q2, and third switching tube Q3 can be NPN type triode.Each switching tube
First end be triode base stage, second end be triode emitter, third end be triode collector.
The utility model embodiment is by being arranged by the first supply voltage, first switch circuit 20, the first skin contact
TP1, Second Skin contact TP2, second switch circuit 30, regulator circuit 40 and second source voltage form circuit, in the first skin
Skin contact TP1 and Second Skin contact TP2 contact skins and control circuit 10 control first switch circuit 20 and second switch electricity
When road 30 is connected, a voltage value, control circuit 10 will be generated in the common connection end of second switch circuit 30 and regulator circuit 40
Voltage value by detecting the common connection end can determine whether skin care device contacts human skin, so as to so that skin
Skin care appliances with human contact after start to work again, save energy consumption.
Illustrate the operation principle of the utility model embodiment, the first skin contact TP1 and Second Skin by taking Fig. 3 as an example below
Contact TP2 be skin care device on two contacts, during skin care device use can respectively with human skin
Two location contacts, such human body are equivalent to a resistance.After skin care device booting, controller 11 exports high level letter
Number the ends SO, third switching tube Q3 conducting are arrived, B points are low level, then first switch pipe Q1 and the Q2 conductings of second switch pipe.Electric current by
+ 12V (the first supply voltage) flows through first switch pipe Q1, human body equivalent resistance, second switch pipe Q2 and regulator circuit 40 and flows back
To power ground (second source voltage).A voltage value will be generated in A points at this time, such as forms the voltage of 3.3V, the voltage value
It is sent to the detection pin of controller 11, to allow controller 11 to determine that skin care device has been contacted with human body,
Skin-care function can be started.When skin care device and human body are not in contact with, A point voltages are zero, and controller 11 detects
When to A point voltages being zero, it may be determined that skin care device and human body be not in contact with starting skin-care function then.
From figure 3, it can be seen that when the ends SO are low level, third switching tube Q3 is closed, then first switch pipe Q1 and the
Two switching tube Q2 are closed, and above-mentioned circuit does not have electric current generation, then A points voltage is zero.Therefore, in other embodiments, controller
Then 11 can also detect whether the ends SI generate the square wave of same number to judge that skin protects by sending square-wave signal to the ends SO
Manage equipment whether with human body reliable contacts.
Optionally, in some embodiments of the utility model, Fig. 4 is please referred to, regulator circuit 40 may be used shown in Fig. 4
Structure, including the zener diode ZD1 and first resistor R1 that are connected in parallel.Wherein, the cathode (ends K) of zener diode ZD1
It is electrically connected the third end of second switch pipe Q2, positive (ends A) is electrically connected second source voltage, and first resistor R1 is connected in series with
Between the third end and second source voltage of second switch pipe Q2.
Optionally, in the other embodiment of the utility model, Fig. 4 is please referred to, third switching circuit 12 further includes second
Resistance R2, second resistance R2 are electrically connected between the first end and controller 11 of third switching tube Q3.First switch circuit 20
Further include 3rd resistor R3 and the 4th resistance R4,3rd resistor R3 is electrically connected at the first end of first switch pipe Q1 and third is opened
Between the third end for closing pipe Q3, the 4th resistance R4 is electrically connected at third end and the first skin contact TP1 of first switch pipe Q1
Between.Second switch circuit 30 further includes the 5th resistance R5, and the 5th resistance R5 is electrically connected at the first end of second switch pipe Q2
Between the third end of third switching tube Q3.Resistance R2, R3, R4 and R5 can be excessive with electric current in limiting circuit, avoid to first
Switching tube Q1, second switch pipe Q2 or third switching tube Q3 are damaged.
Optionally, in the other embodiment of the utility model, Fig. 5 is please referred to, first switch circuit 20 further includes the 6th
Resistance R6, the 6th resistance R6 are electrically connected between the second end of first switch pipe Q1 and the third end of third switching tube Q3.The
Three switching circuits 12 further include the 7th resistance R7, and the 7th resistance R7 is electrically connected at the first end and second end of third switching tube Q3
Between.6th resistance R6 and the 7th resistance R7 are connected between the base stage of switching tube and emitter, can make the shutdown of controller 11 the
When one switching tube Q1 and third switching tube Q3, make switching tube safe shutdown.
Optionally, in the other embodiment of the utility model, Fig. 6 is please referred to, skin care device further includes by first
The filter circuit of capacitance C1 and the 8th resistance R8 compositions.The ends the common connection end SI connection control of 8th resistance R8 and the first capacitance C1
Device 11 processed, the ends common connection end A of the other end connection regulator circuit 40 and second switch circuit 30 of the 8th resistance R8, the first electricity
The other end for holding C1 is electrically connected second source voltage.The filter circuit can filter out human body and the first skin contact TP1 or
The unstable signal (such as peak current) that Second Skin contact TP2 is generated when contacting, to avoid the judgement of controller 11 is influenced
As a result.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of skin care device, which is characterized in that including the first skin contact, Second Skin contact, first switch circuit,
Second switch circuit, control circuit and regulator circuit；
First skin contact and the Second Skin contact are used for nursing skin；
The first end of the first switch circuit and the second switch circuit is all connected with the control circuit, the first switch
The third end of circuit is electrically connected first skin contact, and the second end of the first switch circuit is electrically connected the first power supply
The second end of voltage, the second switch circuit is electrically connected the Second Skin contact, the third of the second switch circuit
End is electrically connected second source voltage by the regulator circuit；
The public connecting end of the regulator circuit and the second switch circuit is electrically connected the control circuit；
The control circuit is used to control the turn-on and turn-off of the first switch circuit and the second switch circuit, Yi Jijian
The voltage for surveying the public connecting end of the second switch circuit and the regulator circuit, to confirm first skin contact and institute
State Second Skin contact whether with skin contact.
2. skin care device according to claim 1, which is characterized in that the control circuit includes controller and third
Switching circuit；
One end of the third switching circuit is electrically connected the controller, and the first switch electricity is electrically connected in the other end
The first end on road and the second switch circuit；
The controller is electrically connected the public connecting end of the second switch circuit and the regulator circuit, and the controller is used
In by control the turn-on and turn-off of the third switching circuit control first switch circuit, second switch circuit conducting and
Shutdown, and detect the voltage of the public connecting end of the second switch circuit and the regulator circuit.
3. skin care device according to claim 2, which is characterized in that the first switch circuit includes first switch
Pipe, the second switch circuit includes second switch pipe, and the third switching circuit includes third switching tube；
The first end of the first switch pipe and the second switch pipe is electrically connected the third end of the third switching tube, institute
The second end for stating first switch pipe is electrically connected first supply voltage, and the third end of the first switch pipe is electrically connected
The second end of first skin contact, the second switch pipe is electrically connected the Second Skin contact, the second switch
The third end of pipe is electrically connected the regulator circuit；
The first end of the third switching tube is electrically connected the controller, and the second end of the third switching tube is electrically connected institute
State second source voltage.
4. skin care device according to claim 3, which is characterized in that the regulator circuit include be connected in parallel it is steady
Press diode and first resistor；
The cathode of the zener diode is electrically connected the third end of the second switch pipe, the anode electricity of the zener diode
Property the connection second source voltage；
The first resistor is connected between the third end of the second switch pipe and the second source voltage.
5. skin care device according to claim 3, which is characterized in that the third switching circuit further includes the second electricity
Resistance, the second resistance are electrically connected between the first end and the controller of the third switching tube.
6. skin care device according to claim 3, which is characterized in that the first switch circuit further includes third electricity
Resistance and the 4th resistance；
The 3rd resistor is electrically connected between the first end of the first switch pipe and the third end of the third switching tube,
4th resistance is electrically connected between the third end of the first switch pipe and first skin contact.
7. skin care device according to claim 3, which is characterized in that the second switch circuit further includes the 5th electricity
Resistance, the 5th resistance are electrically connected between the first end of the second switch pipe and the third end of the third switching tube.
8. skin care device according to claim 3, which is characterized in that the first switch circuit further includes the 6th electricity
Resistance, the 6th resistance are electrically connected between the second end of the first switch pipe and the third end of the third switching tube.
9. skin care device according to claim 3, which is characterized in that the third switching circuit further includes the 7th electricity
Resistance, the 7th resistance are electrically connected between the first end and second end of the third switching tube.
10. skin care device according to claim 1 or 2, which is characterized in that the skin care device further includes
The filter circuit being made of the first capacitance and the 8th resistance；
The common connection end of 8th resistance and the first capacitance connects the controller, the other end connection of the 8th resistance
The common connection end of the regulator circuit and the second switch circuit, the other end of first capacitance are electrically connected described the
Two supply voltages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721526771.XU CN207691778U (en) | 2017-11-15 | 2017-11-15 | A kind of skin care device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721526771.XU CN207691778U (en) | 2017-11-15 | 2017-11-15 | A kind of skin care device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207691778U true CN207691778U (en) | 2018-08-03 |
Family
ID=62989752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721526771.XU Active CN207691778U (en) | 2017-11-15 | 2017-11-15 | A kind of skin care device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207691778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541983A (en) * | 2018-10-08 | 2019-03-29 | 惠州拓邦电气技术有限公司 | A kind of double-contact inductive switch circuit and control method for beauty instrument |
-
2017
- 2017-11-15 CN CN201721526771.XU patent/CN207691778U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541983A (en) * | 2018-10-08 | 2019-03-29 | 惠州拓邦电气技术有限公司 | A kind of double-contact inductive switch circuit and control method for beauty instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101667823B (en) | Inductive backlight key circuit | |
| CN109963395A (en) | A kind of control device | |
| CN203561857U (en) | Low-power standby control system | |
| CN105720960B (en) | On/off circuit | |
| CN104578743A (en) | Power supply control circuit | |
| CN103210563A (en) | Electronic control device and method for reducing stand-by state energy consumption of an electric household appliance | |
| CN207117156U (en) | A kind of voltage protection circuit | |
| CN104950772B (en) | A kind of dish-washing machine and its stand-by power consumption control device and method | |
| CN105958844B (en) | A kind of intelligence soft switching power implementation method and intelligent soft switching power | |
| CN203561847U (en) | Standby circuit control system with low power consumption | |
| CN207691778U (en) | A kind of skin care device | |
| CN108008698A (en) | A kind of robot system and its opening/closing control device | |
| CN201556975U (en) | Standby automatic power-off device with intelligence, safety and energy conservation | |
| CN205847076U (en) | AC D/C power | |
| CN205142167U (en) | Time delay outage reset circuit | |
| CN203551744U (en) | Electric energy meter load switch state detection circuit | |
| CN110416009A (en) | Relay switching circuit and controller without the electric arc long-life | |
| CN206149132U (en) | Switching power supply shutdown rapid discharging circuit based on resistance -capacitance reduction voltage circuit | |
| CN205092650U (en) | On-off detection circuit and pressure cooker | |
| CN107968643A (en) | A kind of DC load singly-bound touch control on-off circuit | |
| CN208461444U (en) | The leakage protection circuit of household electrical appliance | |
| CN208672722U (en) | A kind of DC load fault condition detection circuit | |
| CN209329961U (en) | A kind of power control circuit and electronic equipment | |
| CN207557419U (en) | A kind of circuit of driving condition monitoring improper to gas electromagnetic valve | |
| CN206931782U (en) | A kind of socket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |