CN105796106A - External detection device and control method thereof - Google Patents
External detection device and control method thereof Download PDFInfo
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- CN105796106A CN105796106A CN201410836043.3A CN201410836043A CN105796106A CN 105796106 A CN105796106 A CN 105796106A CN 201410836043 A CN201410836043 A CN 201410836043A CN 105796106 A CN105796106 A CN 105796106A
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Abstract
The invention discloses an external detection device and a control method thereof. The external detection device is suitable for detecting the skin of a testee through a processing unit. The external detection device comprises an input/output interface, a plurality of measuring electrodes, an oscillation signal generation module and a processing module. The input/output interface is used for being electrically connected with the processing unit. The oscillation signal generation module is used for generating oscillation signals, and applying the oscillation signals to the skin of the testee through the plurality of measuring electrodes. When the measuring electrodes are contacted with the skin of the testee, the oscillation signal generation module generates current signals according to the changing amplitude of the oscillation signals. The processing module is used for calculating the skin information according to the current signals and physiological parameters, and the skin information comprises at least one of the water content, the oil content and the pliability. The skin information is output to the processing unit through the input/output interface.
Description
Technical field
The present invention relates to a kind of circumscribed detecting device and control method thereof, and particularly to a kind of circumscribed detecting device for detecting skin and control method thereof.
Background technology
Along with growth in the living standard, more and more people start to pay attention to cosmetology, especially the skin quality maintenance of parts of body, plus many changes of weather and often treat in cold air room, make the easy for want of moisture content of skin of human body dry or lack flexibility, therefore modern can be more and more higher for the requirement of cosmetics.
Although, cosmetics sale data or the beauty and skin care center of specialty in the streets are all provided with good consultancy service, consumer can be allowed to be fully understood by its skin quality situation, and select optimal commodity.But, the quality of the service personal that beauty and skin care is relevant is very different, and the service personal that some specialty degree is not enough may recommend unaccommodated product to give consumer, makes consumer hinder pocket and skin quality situation does not obtain appropriate improvement.
Additionally, cosmetics are liked selecting voluntarily by some consumer, but because the Professional knowledge of ordinary consumer is mostly not enough, therefore often choose unaccommodated commodity, and pocket can have been hindered equally and skin quality situation does not obtain appropriate improvement.
Summary of the invention
Because above problem, the present invention proposes a kind of circumscribed detecting device and control method thereof, this circumscribed detecting device and control method thereof are by applying an oscillator signal to the skin of testee, and utilize bioimpedance analysis method (bioelectricimpedanceanalysis, BIA) to obtain the skin being related to testee.
According to the circumscribed detecting device in one embodiment of the invention, this circumscribed detecting device is applicable to by process device, the skin of testee be detected.This circumscribed detecting device includes input/output interface, multiple measurement electrode, oscillator signal generation module and processing module, wherein input/output interface electrically connected processing module, oscillator signal generation module is electrically connected between the plurality of measurement electrode and processing module.Input/output interface is for electrically connecting to process device.The plurality of measurement electrode is in order to contact the skin of testee.Oscillator signal generation module is in order to produce oscillator signal, and by the plurality of measurement electrode, oscillator signal is applied the skin to testee, and when the skin of the plurality of measurement electrode contact testee, according to the amplitude of variation of oscillator signal, produces current signal.Processing module in order to according to current signal and at least one physiological parameter, to calculate the skin information of the skin contacted by the plurality of measurement electrode, wherein this skin information be for moisture content, oil content and pliability at least one.Wherein, above-mentioned skin information is to be output to process device by input/output interface.
According to the circumscribed detecting device control method in one embodiment of the invention, this circumscribed detecting device control method is applicable to control the circumscribed detecting device skin to testee by process device and detects.The steps flow chart of circumscribed detecting device control method is as described below.After circumscribed detecting device electrically connected processing device, produce oscillator signal.When the skin of multiple measurement electrode contact testees of circumscribed detecting device, measure electrode by these and oscillator signal is applied the skin to testee.According to the amplitude of variation of oscillator signal, produce current signal.According to current signal and at least one physiological parameter, calculate and measured the skin information of the skin that electrode contacts by these, wherein above-mentioned skin information be for moisture content, oil content and pliability at least one.
Comprehensive the above, circumscribed detecting device provided by the invention and control method thereof, this circumscribed detecting device and control method thereof are by applying an oscillator signal to the skin of testee, and according to the amplitude of variation of oscillator signal, calculate the moisture content of the skin of testee, oil content or pliability.In addition, the circumscribed detecting device of the present invention is by then passing through electrically connected processing device to obtain working power and to inform its skin information of testee, therefore the circumscribed detecting device of the present invention is not required to be provided with battery and display screen, and the more traditional skin quality detector that need to install battery reduces its manufacturing cost more, and owing to the circumscribed detecting device of the present invention does not have display screen, and more traditional skin quality detector that need to install battery has less power consumption.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the functional-block diagram of circumscribed detecting device according to an embodiment of the invention；
Fig. 2 is the thin portion circuit diagram of circumscribed detecting device according to an embodiment of the invention；
Fig. 3 is the flow chart of steps of circumscribed detecting device control method according to an embodiment of the invention；
Fig. 4 is the flow chart of steps of circumscribed detecting device control method according to another embodiment of the present invention.
Wherein, accompanying drawing labelling
1 circumscribed detecting device
10 input/output interfaces
12 energy supply control modules
120 power supply control chips
14 measurement modules
E1 first measures electrode
E2 second measures electrode
16 oscillator signal generation modules
160555 chips
162 first capacitance group
18 processing modules
1808051 chips
182 second capacitance group
184 the 3rd capacitance group
186 luminescence units
2 process device
L1, L2 inductance
C1～C9 electric capacity
R1～R5 resistance
D1, D2 light emitting diode
S300～S306, S400～S410 steps flow chart
Detailed description of the invention
Hereinafter detailed features and the advantage of the present invention are described in embodiments in detail, its content is enough to make any relevant art of haveing the knack of understand the technology contents of the present invention and implement according to this, and according to content, right and accompanying drawing that this specification is invented, any relevant art of haveing the knack of can be readily understood upon purpose and the advantage that the present invention is correlated with.Below example is the viewpoint further describing the present invention, but non-to limit scope of the invention anyways.
(embodiment of circumscribed detecting device)
Refer to the functional-block diagram that Fig. 1, Fig. 1 are circumscribed detecting device according to an embodiment of the invention.As shown in Figure 1, circumscribed detecting device 1 is applicable to by process device 2, the skin of testee be detected, this circumscribed detecting device 1 includes input/output interface 10, energy supply control module 12, measurement module 14, oscillator signal generation module 16 and processing module 18, wherein measurement module 14 is electrically connected oscillator signal generation module 16, oscillator signal generation module 16 electrically connected processing module 18, processing module 18 is electrically connected input/output interface 10, and energy supply control module 12 is electrically connected with input/output interface 10, oscillator signal generation module 16 and processing module 18.In practice, processing device 2 can be the computer that a kind of intelligent mobile phone, panel computer, palmtop computer, personal digital assistant, Wearable device, desktop computer or notebook computer etc. have operation processing function.Individually below each functional module in circumscribed detecting device 1 is described in detail.
Input/output interface 10 is for electrically connecting to process device 2, and acquisition according to this processes the DC voltage that device 2 exports, using the running voltage as circumscribed detecting device 1.Additionally, input/output interface 10 more can the control signal that exports of receiving and processing device 2, this control signal performs skin detection program in order to indicate circumscribed detecting device 1.Additionally, the testing result of circumscribed detecting device 1 more can be exported to processing device 2 by input/output interface 10, with the testing result by the display screen display circumscribed detecting device 1 processing device 2, or play the testing result of circumscribed detecting device 1 by the speaker processing device 2.In practice, input/output interface 10 can be universal serial bus (universalserialbus, USB) interface, IEEE1394 is (also known as live wire, FireWire) interface, near-field communication agreement (nearfieldcommunication, NFC) the wired or wireless communications protocol interface such as exclusive connection interface (such as Lightning interface) made by interface, bluetooth (bluetooth) interface or Apple, but be not limited.
The energy supply control module 12 DC voltage in order to be exported by input/output interface 10 receiving and processing device 2, and when testee is intended to carry out skin detection, enable oscillator signal generation module 16, so that oscillator signal generation module 16 produces oscillator signal, and after testee detects, forbidden energy oscillator signal generation module 16, so that oscillator signal generation module 16 stops producing oscillator signal.
Measurement module 14 has multiple measurement electrode (not being illustrated in the 1st figure), and the plurality of measurement electrode is in order to contact the skin of testee, and oscillator signal produced by oscillator signal generation module 16 is applied the skin to testee.The present invention this not in addition limit amount survey the quantity of the plurality of measurement electrode in module 14.
Oscillator signal generation module 16 produces oscillator signal in order to the instruction according to energy supply control module 12, and by the plurality of measurement electrode, oscillator signal is applied the skin to testee, and when the skin of the plurality of measurement electrode contact testee, oscillator signal generation module 16 according to the amplitude of variation of oscillator signal, and can produce a current signal accordingly.In more detail, when the skin of the plurality of measurement electrode contact testee, oscillator signal generation module 16 can because of the relation of balanced impedance produced by the plurality of measurement electrode and contact skin, and change the frequency of oscillation of oscillator signal, and then make oscillator signal generation module 16 can produce the current signal with respective frequencies according to the amplitude of variation of oscillator signal.In practice, oscillator signal is for having the all-view signal of some predeterminated frequency, half-wave voltage signal or AC signal, and this predeterminated frequency can be such as 100k hertz (Hz) or 50k hertz, but is not limited.
Processing module 18 is in order to according to above-mentioned current signal and at least one physiological parameter, calculate the skin information of the skin contacted by above-mentioned multiple measurement electrodes, wherein above-mentioned skin information be for moisture content, oil content and pliability (also known as skin elasticity or fineness) at least one.In more detail, described at least one physiological parameter system is aqueous parameter, oiliness parameter or soft parameter, and above-mentioned moisture content can be equal to the product of aqueous parameter and current signal, above-mentioned oil content can be equal to the product of oiliness parameter and current signal, and above-mentioned pliability can be equal to the product of soft parameter and a parameter, wherein this parameter system is the difference between moisture content and oil content.
In other words, if current signal is defined as Ifreq, aqueous parameter is defined as Kwater, oiliness parameter is defined as Koil, soft parameter is defined as Ksoftness, moisture content is defined as Water, and oil content is defined as Oil, and pliability is defined as Softness, then:
Water=Kwater*Ifreq
Oil=Koil*Ifreq
Softness=Ksoftness*(Water-Oil)
In addition, skin when above-mentioned multiple measurement electrode contacts to testee, and when making oscillator signal generation module 16 produce the current signal being relevant to above-mentioned balanced impedance, processing module 18 more according to current value and the resistance value of reference impedance of the magnitude of voltage of oscillator signal instantly, current signal, can calculate the Skin Resistance of testee.For becoming apparent from illustrating the calculating process of Skin Resistance, at this, reference impedance to be defined as R, oscillator signal is defined as VOSC, Skin Resistance is defined as Zskin, then:
Ifreq=VOSC/(R//Zskin)
Thereby, processing module 18 according to above-listed mathematical expression, and can calculate the Skin Resistance (Z of testeeskin).In general, if the skin moisture content of testee is more big, then Skin Resistance will be more little so that the amplitude of variation of oscillator signal is more big, and the current value causing the calculated current signal of processing module 18 will be more big.
In actual operation, processing module 18 more can according to calculated Skin Resistance and at least one physiologic information, estimate the body muscle amount of testee, body fat amount, total body water and body fat rate (bodyfatratio) at least one, wherein this physiologic information be for testee by process the height information that inputs of device 2 and body weight information at least one.In more detail, owing to total body water can be proportional to index of resistance, and impedance damping (impedanceindex) can be equal to height square divided by Skin Resistance, therefore when processing module 18 calculates Skin Resistance, processing module 18 more can pass through heavy water isotope method (deuteriumdilutionmethod) and regression equation (regressionequation), and estimates total body water.Then, processing module 18 more can through normal person's physiologic information of statistics, such as, moisture content composition in the non-fat tissue of normal adults is about 0.732L/Kg, and containing about 10～15% water in fatty tissue, estimate the body fat amount of testee, and by this body fat amount divided by body weight information, and obtain body fat rate.
In order to be illustrated more clearly that the circuit diagram of the circumscribed detecting device 1 of Fig. 1, it is assumed herein that input/output interface 10 is USB interface, energy supply control module 12 is the circuit adopting power supply control chip, oscillator signal generation module 16 is the circuit adopting 555 chips, processing module 18 is adopt the circuit of 8051 chips, and the quantity measuring electrode of measurement module 14 is two.Refer to the thin portion circuit diagram that Fig. 2, Fig. 2 are circumscribed detecting device according to an embodiment of the invention.As shown in Figure 2, measurement module 14 has the first measurement electrode E1 and the second and measures electrode E2, oscillator signal generation module 16 includes 555 chips 160, electric capacity C1～C4 and resistance R1～R3, energy supply control module 12 includes power supply control chip 120, electric capacity C5, resistance R4 and inductance L2, and processing module 18 includes 8051 chips 180, electric capacity C6～C9 and light emitting diode D1 and D2.Annexation with regard to each electronic component in circumscribed detecting device 1 is described in detail individually below.
The VBUS foot position (also known as power supply pin) of input/output interface 10 is electrically connected first end of inductance L1, and second end of inductance L1 is electrically connected the second capacitance group 182.The D+ foot position (also known as the first data pin position) of input/output interface 10 and D-foot position (also known as the second data pin position) are electrically connected with the 12nd foot position and the 11st foot position in order to export data in 8051 chips 180.The GND foot position of input/output interface 10 and ID foot position are all electrically connected to ground connection.
555 chips 160 in oscillator signal generation module 16 have eight foot positions, and it is respectively first to octal position.First end of electric capacity C1 (the first electric capacity) is electrically connected second end of the second measurement electrode E2, electric capacity C1 and is electrically connected to ground connection.First end of electric capacity C2 (the second electric capacity) is electrically connected to ground connection, and second end of electric capacity C2 is electrically connected the 5th foot position of 555 chips 160.First end of resistance R1 (the first resistance) is electrically connected between the second measurement electrode E2 and electric capacity C1, and second end of resistance R1 is electrically connected this first measurement electrode E1.First end of resistance R2 (the second resistance) is electrically connected between the first measurement electrode E1 and resistance R1.First end of resistance R3 (the 3rd resistance) is electrically connected second end of resistance R2, the first foot position of 8051 chips 180 of the second end electrically connected processing module 18 of resistance R3.First capacitance group 162 is formed by two electric capacity C3 and C4 in parallel mutually, and the first end of the first capacitance group 162 is electrically connected first end of resistance R3 and the octal position of 555 chips 160, and the second end of the first capacitance group 162 is electrically connected to ground connection.The present embodiment is in the quantity of this shunt capacitance not being any limitation as in the first capacitance group 162, and in other words, the first capacitance group 162 has at least two electric capacity in parallel mutually.
nullThe first foot position (also known as GND foot position) of 555 chips 160 is electrically connected to ground connection，The crus secunda position (also known as trigger foot position) of 555 chips 160 is electrically connected the second measurement electrode E2、First end of electric capacity C1 and first end of resistance R1，The 3rd foot position (also known as output foot position) of 555 chips 160 is electrically connected between resistance R3 and 8051 chips 180，The 4th foot position (also known as reset foot position) of 555 chips 160 is electrically connected second end of resistance R2、First end of resistance R3 and power supply control chip 120，The 5th foot position (also known as controlvoltage foot position) of 555 chips 160 is electrically connected second end of electric capacity C2，The octal position (also known as Vcc foot position) of 555 chips 160 is electrically connected second end of resistance R2、First end of resistance R3 and the first end of the first capacitance group 162.Additionally, the 6th foot position of 555 chips 160 is also known as threshold foot position, the 7th foot position of 555 chips 160 is also known as discharge foot position.
Power supply control chip 120 in energy supply control module 12 has six foot positions, and it is the first to the 6th foot position respectively.Second end of the second capacitance group 182 in the first end electrically connected processing module 18 of the inductance L2 (the first inductance) in energy supply control module 12 and the inductance L1 in input/output interface 10, second end of inductance L2 is electrically connected the 4th foot position of power supply control chip 120 and first end of resistance R4 (the 4th resistance).Second end of resistance R4 is electrically connected the 6th foot position of power supply control chip 120.First end of electric capacity C5 (the 3rd electric capacity) is electrically connected crus secunda position and the 3rd foot position of power supply control chip 120, and second end of electric capacity C5 is electrically connected between the 6th foot position and the resistance R4 of power supply control chip 120.
The first foot position (also known as GND foot position) of power supply control chip 120 is electrically connected to ground connection, the crus secunda position (also known as VOUT foot position) of power supply control chip 120 and the 3rd foot position (also known as VOUT foot position) are electrically connected the 4th foot position of 555 chips 160, first end of second end of resistance R2 and this resistance R3, the 4th foot position (also known as VIN foot position) of power supply control chip 120 is electrically connected second end of inductance L2 and first end of resistance R4, the 5th foot position (also known as ON/OFF foot position) of power supply control chip 120 is electrically connected the crus secunda position of 8051 chips 180, the 6th foot position (also known as VCC foot position) of power supply control chip 120 is electrically connected second end of resistance R4 and second end of electric capacity C5.
8051 chips 180 have multiple foot position, illustrate only for the foot position having connecting electronic component below.First foot position of 8051 chips 180 is electrically connected the 3rd foot position of 555 chips 160, to receive current signal produced by 555 chips 160.The crus secunda position of 8051 chips 180 is electrically connected the 5th foot position of power supply control chip 120, and the crus secunda position of 8051 chips 180 is in order to start power supply control chip 120.6th foot position of 8051 chips 180 is electrically connected the anode of the luminescence unit 186 being made up of light emitting diode D1 and D2 in parallel mutually, and the negative electrode of luminescence unit 186 is then the one end being electrically connected resistance R5, and the other end of resistance R5 is electrically connected to ground connection.Tenth foot position of 8051 chips 180 is electrically connected by one end of electric capacity C8 and electric capacity C9 the 3rd formed capacitance group 184 in parallel mutually, and the other end of the 3rd capacitance group 184 is then electrically connected to ground connection.The 13rd foot position (also known as VSS foot position) of 8051 chips 180 is electrically connected to ground connection.The 16th foot position (also known as VDD foot position) of 8051 chips 180 is electrically connected by the inductance L1 and inductance L2 of electric capacity C6 and electric capacity C7 formed one end of the second capacitance group 182 in parallel, input/output interface 10 mutually, and the other end of the second capacitance group 182 is then electrically connected to ground connection.
In an embodiment, luminescence unit 186 is in order to indicate circumscribed detecting device 1 operating state instantly, for example, luminescence unit 186 can indicate circumscribed detecting device 1 to be operate on sleep pattern (also known as standby mode), park mode or detection pattern instantly by the bright dark of a different light emitting diode or flicker frequency.In another embodiment, luminescence unit 186 more may be used to the instruction 8051 computed skin information out of chip 180, for example, luminescence unit 186 can indicate the moisture content of skin of testee, oil content or pliability by the bright dark of a different light emitting diode or flicker frequency.Additionally, the number of multiple electric capacity in parallel mutually that the present embodiment is in the number of this light emitting diode not being any limitation as in luminescence unit 186, the second capacitance group 182, the number of the multiple electric capacity in parallel mutually in the 3rd capacitance group 184.
(embodiment of circumscribed detecting device control method)
Please with reference to the flow chart of steps that Fig. 1 and Fig. 3, Fig. 3 are circumscribed detecting device control method according to an embodiment of the invention.Detect as it is shown on figure 3, the circumscribed detecting device control method of the present embodiment is applicable to control the circumscribed detecting device 1 skin to testee by process device 2.Individually below each steps flow chart in circumscribed detecting device control method is described in detail.
In step S300, when circumscribed detecting device 1 electrically connected processing device 2, circumscribed detecting device 1 can produce oscillator signal.In step s 302, when the skin of multiple measurement electrode contact testees of circumscribed detecting device 1, circumscribed detecting device 1 can measure electrode by these and oscillator signal is applied the skin to testee.In step s 304, circumscribed detecting device 1 according to the amplitude of variation of oscillator signal, can produce current signal.In step S306, circumscribed detecting device 1 according to current signal and at least one physiological parameter, can calculate and be measured the skin information of the skin that electrode contacts by these, wherein above-mentioned skin information be for moisture content, oil content and pliability at least one.
In more detail, described at least one physiological parameter is aqueous parameter, oiliness parameter or soft parameter, and moisture content can be equal to the product of aqueous parameter and current signal, oil content can be equal to the product of oiliness parameter and current signal, pliability can be equal to the product of soft parameter and some parameter, and wherein above-mentioned parameter is for the difference between moisture content and oil content.
Additionally, when these measure the skin of electrode contact testees, circumscribed detecting device 1 more according to the magnitude of voltage of oscillator signal instantly, the current value of current signal and reference impedance, can calculate the Skin Resistance of testee.Then, the physiologic information that circumscribed detecting device 1 more can input according to calculated Skin Resistance and at least one testee, estimate the body muscle amount of testee, body fat amount, total body water and body fat rate at least one, wherein above-mentioned physiologic information be for testee height information and body weight information at least one.
(another embodiment of circumscribed detecting device control method)
Please with reference to the flow chart of steps that Fig. 1 and Fig. 4, Fig. 4 are circumscribed detecting device control method according to another embodiment of the present invention.As shown in Figure 4, in step S400, when circumscribed detecting device 1 electrically connected processing device 2, processing module 18 can start energy supply control module 12.In step S402, processing module 18 can judge whether testee carries out skin detection in Preset Time, optionally to produce oscillator signal or to enter standby mode.If judging, testee does not carry out skin detection in Preset Time, then perform step S404；If judging, testee carries out skin detection in Preset Time, then perform step S408.The present embodiment is not any limitation as the time span of above-mentioned Preset Time at this, and having usually intellectual in art can according to actually used situation, and footpath row designs rational Preset Time.Additionally, above-mentioned Preset Time more can be modified by process device 2.
In step s 404, circumscribed detecting device 1 can enter standby mode.Then, in step S406, processing module 18 can judge whether circumscribed detecting device 1 is waken up.If processing module 18 judges that circumscribed detecting device 1 is waken up, then re-execute step S402；If processing module 18 judges that circumscribed detecting device 1 is waken up not yet, then re-execute step S404.In other words, if processing module 18 is judged when testee does not carry out skin detection in this Preset Time, circumscribed detecting device 1 can enter standby mode, and judges when circumscribed detecting device 1 is in standby mode whether circumscribed detecting device 1 is waken up constantly.If processing module 18 judges that circumscribed detecting device 1 is waken up, then re-execute the step (i.e. step S402) judging whether testee carries out skin detection in Preset Time.
In step S408, energy supply control module 12 meeting enable oscillator signal generation module 16 so that oscillator signal generation module 16 starts to produce oscillator signal, to perform skin detection program.Owing to the skin detection program in step S408 is same as the step S302～step S306 of Fig. 3, therefore no longer repeated.Finally, in step S410, after circumscribed detecting device 1 detects, energy supply control module 12 meeting forbidden energy oscillator signal generation module 16, make oscillator signal generation module 16 can stop producing oscillator signal, and circumscribed detecting device 1 can be advanced into battery saving mode certainly.Wherein, battery saving mode can be standby mode or park mode, and the electricity that process device 2 the is consumed when electricity that process device 2 is consumed when circumscribed detecting device 1 is in park mode can be in standby mode less than circumscribed detecting device 1.
(possible effect of embodiment)
Comprehensive the above, the embodiment of the present invention provides a kind of circumscribed detecting device and control method thereof, this circumscribed detecting device and control method thereof are by applying an oscillator signal with predeterminated frequency to the skin of testee, and according to the amplitude of variation of oscillator signal, calculate the moisture content of the skin of testee, oil content or pliability.In addition, the circumscribed detecting device of the embodiment of the present invention is by then passing through electrically connected processing device to obtain working power and to inform its skin information of testee, therefore the circumscribed detecting device of the embodiment of the present invention is not required to be provided with battery and display screen, and the more traditional skin quality detector that need to install battery reduces its manufacturing cost more, and owing to the circumscribed detecting device of the embodiment of the present invention does not have display screen, and more traditional skin quality detector that need to install battery has less power consumption.
In addition, owing to circumscribed detecting device and the control method thereof of the embodiment of the present invention can be passed through to detect whether testee carries out skin detection in Preset Time, come optionally by energy supply control module enable in order to produce oscillator signal generation module or the forbidden energy oscillator signal generation module of oscillator signal, make circumscribed detecting device can enter battery saving mode two kinds different according to practical situation, and more decrease the electric quantity consumption of battery processing device, more can meet the demand of green energy conservation now.Thereby, the circumscribed detecting device of the embodiment of the present invention and control method thereof when the skin measured owing to not having aggressive, and can be quickly obtained the skin quality measurement of skin, and more traditional skin quality detector that need to install battery saves cost and low power consumption more, extremely has practicality.
Certainly; the present invention also can have other various embodiments; when without departing substantially from present invention spirit and essence thereof; those of ordinary skill in the art are when can make various corresponding change and deformation according to the present invention, but these change accordingly and deformation all should belong to the scope of the claims appended by the present invention.
Claims (12)
1. a circumscribed detecting device, it is adaptable to process device by and the skin of testee is detected, it is characterised in that this circumscribed detecting device includes:
One input/output interface, is for electrically connecting to this process device；
Multiple measurement electrodes, in order to contact the skin of testee；
One oscillator signal generation module, it is electrically connected those and measures electrode, in order to produce an oscillator signal, and measure the electrode skin by this oscillator signal applying to testee by those, and when those measure the skin of electrode contact testee, according to the amplitude of variation of this oscillator signal, produce a current signal；And
One processing module, it is electrically connected this oscillator signal generation module and this input/output interface, in order to according to this current signal and at least one physiological parameter, calculate and measured, by those, the skin information of skin that electrode contacts, wherein this skin information be a moisture content, an oil content and a pliability at least one；
Wherein, this skin information is output to this process device by this input/output interface.
2. a circumscribed detecting device, it is adaptable to process device by and the skin of testee is detected, it is characterised in that this circumscribed detecting device includes:
One input/output interface, is for electrically connecting to this process device；
Multiple measurement electrodes, in order to contact the skin of testee；
One oscillator signal generation module, it is electrically connected those and measures electrode, in order to produce an oscillator signal, and measure the electrode skin by this oscillator signal applying to testee by those, and when those measure the skin of electrode contact testee, according to the amplitude of variation of this oscillator signal, produce a current signal；And
One processing module, it is electrically connected this oscillator signal generation module and this input/output interface, in order to according to this current signal and at least one physiological parameter, calculate and measured, by those, the skin information of skin that electrode contacts, wherein this skin information be a moisture content, an oil content and a pliability at least one；
Wherein, this skin information is output to this process device by this input/output interface.
3. circumscribed detecting device according to claim 1, it is characterized in that, when those measure the skin of electrode contact testees, this processing module more according to the magnitude of voltage of this oscillator signal instantly, the current value of this current signal and a reference impedance, calculates a Skin Resistance of testee.
4. circumscribed detecting device according to claim 3, it is characterized in that, this processing module is more according to this Skin Resistance and a physiologic information, estimate the body muscle amount of testee, body fat amount, total body water and body fat rate at least one, wherein this physiologic information be testee height information and body weight information at least one.
5. circumscribed detecting device according to claim 1, it is characterized in that, this circumscribed detecting device more includes an energy supply control module, this energy supply control module is electrically connected this input/output interface, this oscillator signal generation module and this processing module, this energy supply control module is in order to receive, by this input/output interface, the DC voltage that this process device exports, and when testee is intended to carry out skin detection, this oscillator signal generation module of enable, so that this oscillator signal generation module produces this oscillator signal, after testee detects, this oscillator signal generation module of forbidden energy, so that this oscillator signal generation module stops producing this oscillator signal.
6. circumscribed detecting device according to claim 5, it is characterised in that those measure electrode is that one first measurement electrode and one second measures electrode, and this oscillator signal generation module more includes:
One first electric capacity, its first end is electrically connected this second measurement electrode, and its second end is electrically connected to ground connection；
One second electric capacity, its first end is electrically connected to ground connection；
One first resistance, its first end is electrically connected between this second measurement electrode and this first electric capacity, and its second end is electrically connected this first measurement electrode；
One second resistance, its first end is electrically connected between this first measurement electrode and this first resistance；
One the 3rd resistance, its first end is electrically connected the second end of this second resistance, and its second end is electrically connected this processing module；
One first capacitance group, has at least two electric capacity in parallel mutually, and its first end is electrically connected at the first end of the 3rd resistance, and its second end is electrically connected to ground connection；And
One chip, first foot position of this chip is electrically connected to ground connection, the crus secunda position of this chip is electrically connected this second measurement electrode, first end of this first electric capacity and the first end of this first resistance, 3rd foot position of this chip is electrically connected between the 3rd resistance and this processing module, 4th foot position of this chip is electrically connected the second end of this second resistance, first end of the 3rd resistance and this energy supply control module, 5th foot position of this chip is electrically connected the second end of this second electric capacity, the octal position of this chip is electrically connected the second end of this second resistance, first end of the 3rd resistance and the first end of this first capacitance group.
7. circumscribed detecting device according to claim 6, it is characterised in that this energy supply control module more includes:
One first inductance, its first end is electrically connected the power supply pin of this processing module and this input/output interface；
One the 4th resistance, its first end is electrically connected the second end of this first inductance；
One power supply control chip, first foot position of this power supply control chip is electrically connected to ground connection, the crus secunda position of this power supply control chip and the 3rd foot position are electrically connected the first end of the second end and the 3rd resistance of the 4th foot position of this chip, this second resistance, 4th foot position of this power supply control chip is electrically connected the second end of this first inductance and the first end of the 4th resistance, 5th foot position of this power supply control chip is electrically connected this processing module, and the 6th foot position of this power supply control chip is electrically connected the second end of the 4th resistance；And
One the 3rd electric capacity, its first end is electrically connected crus secunda position and the 3rd foot position of this power supply control chip, and its second end is electrically connected between the 6th foot position and the 4th resistance of this power supply control chip.
8. a circumscribed detecting device control method, it is adaptable to control a circumscribed detecting device by a process device and the skin of testee is detected, it is characterised in that this circumscribed detecting device control method includes:
After this circumscribed detecting device is electrically connected this process device, produce an oscillator signal；
When the skin of multiple measurement electrode contact testees of this circumscribed detecting device, measure electrode by those and this oscillator signal is applied the skin to testee；
According to the amplitude of variation of this oscillator signal, produce a current signal；And
According to this current signal and at least one physiological parameter, calculate and measured a skin information of the skin that electrode contacts by those, wherein this skin information be a moisture content, an oil content and a pliability at least one.
9. circumscribed detecting device control method according to claim 8, it is characterized in that, described at least one physiological parameter is an aqueous parameter, an oiliness parameter or a soft parameter, and this moisture content is equal to the product of this aqueous parameter with this current signal, this oil content is equal to the product of this oiliness parameter with this current signal, this pliability is equal to the product of this softness parameter with a parameter, and wherein this parameter is the difference between this moisture content and this oil content.
10. circumscribed detecting device control method according to claim 8, it is characterized in that, when those measure the skin of electrode contact testee, this circumscribed detecting device control method more includes, according to the magnitude of voltage of this oscillator signal instantly, the current value of this current signal and a reference impedance, calculating a Skin Resistance of testee.
11. circumscribed detecting device control method according to claim 10, it is characterized in that, this circumscribed detecting device control method more includes according to this Skin Resistance and a physiologic information, estimate the body muscle amount of testee, body fat amount, total body water and body fat rate at least one, wherein this physiologic information be testee height information and body weight information at least one.
12. circumscribed detecting device control method according to claim 8, it is characterised in that after this circumscribed detecting device is electrically connected this process device, this circumscribed detecting device control method more includes:
Judge whether testee carries out skin detection in a Preset Time, optionally to produce this oscillator signal or to enter a standby mode；
If judging, testee carries out skin detection in this Preset Time, then produce this oscillator signal；
If judging, testee does not carry out skin detection in this Preset Time, then enter this standby mode, and judge whether this circumscribed detecting device is waken up constantly；
If judging, this circumscribed detecting device is waken up, then re-execute the step judging whether testee carries out skin detection in this Preset Time；And
After detection, stop producing this oscillator signal, and be certainly advanced into a battery saving mode, it is characterised in that this battery saving mode is this standby mode or a park mode.
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| CN201410836043.3A CN105796106A (en) | 2014-12-29 | 2014-12-29 | External detection device and control method thereof |
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| CN201410836043.3A CN105796106A (en) | 2014-12-29 | 2014-12-29 | External detection device and control method thereof |
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| CN201410836043.3A Pending CN105796106A (en) | 2014-12-29 | 2014-12-29 | External detection device and control method thereof |
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