CN203369905U - Moisture detection system for local skin of human body - Google Patents
Moisture detection system for local skin of human body Download PDFInfo
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- CN203369905U CN203369905U CN201320238940.5U CN201320238940U CN203369905U CN 203369905 U CN203369905 U CN 203369905U CN 201320238940 U CN201320238940 U CN 201320238940U CN 203369905 U CN203369905 U CN 203369905U
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Abstract
The utility model discloses a moisture detection system for the local skin of a human body, which comprises a data acquisition front-end and a user terminal in Bluetooth connection with the data acquisition front-end. The data acquisition front-end is composed of capacitive sensors, a capacitance-to-digital converter, a temperature sensor, a humidity sensor, a light intensity sensor, a noise sensor, a processing chip, a Bluetooth module, a power supply module and a liquid crystal display, wherein all the above parts are integrated inside a plastic shell in a circuit connection manner. The relative humidity of the local skin of a human body is indirectly measured through measuring the capacitance of the moisture in the stratum corneum of the local skin by means of two capacitive sensors of the detection system. The detection system also has an environmental parameter detection part having the temperature detection function, the humidity detection function, the light intensity detection function and the noise detection function, wherein data are finally sent to the user terminal in the Bluetooth manner. The detection system also comprises a database platform used for informing users of the variation conditions of the moistures in the skins thereof. Therefore, by means of the detection system, users can pick out and buy cosmetics according to the skin types thereof, and can also share and communicate detection experiences, and evaluate the efficacies of the cosmetics with each other on line.
Description
Technical field:
This utility model patent relates to the beauty treatment fields that skin quality detects, and is specifically related to a kind of method and apparatus of body local moisture of skin detection system.
Background technology:
Along with the raising of people's living standard, people increase beautiful and healthy requirement thereupon, thereby also more and more higher to the requirement of cosmetics and medical and beauty treatment aspect.And so, China there is no national standard for the cosmetics Evaluation of Functional at present, what some estimated employing is semiquantitative method.
From skin mechanism aspect, skin moisture content is determined by inside and outside two kinds of factors, keratodermatitis keeps the moisture capacity variation larger, and moisture can from 10% to 60% variation, the composition of aqueous mixtures in topmost or the respiratory that skin is perspired and skin.External factor comprises ambient temperature, humidity, medicine and cosmetics etc., can determine and change the moisture in skin.Skin moisture content can affect the water of skin surface and the formation of oils and fats hybrid films, and this layer of protecting film is very important to the aging that prevents skin.Therefore the test skin moisture content of quantification and relatively necessarily the variable quantity after the nursing stage be of great use.
Traditional human body skin detection method has Bioelectrical impedance analysis and capacitance method.Wherein Bioelectrical impedance analysis (BIA) is a kind of detection method that the body composition measurement comprises body fat and total body water that is usually used in.As the patent No. a kind of skin moisture measuring method that is 200510011875.2.The ultimate principle of BIA method is the skin that Weak current that a frequency is 50KHz acts on us, a kind of electrical impedance of various compound formation on skin, hinder electric current by bodily tissue, and can calculate cuticular water content (moisture) by calculating this electrical impedance.Adopting the core of the equipment of Bioelectrical impedance analysis (BIA) at present is the transducer by two outstanding metal electrode bars.When being positioned over skin, the 50KHz Weak current that equipment provides acts on the skin between electrode.Determine the relation between the skin different tissues by the impedance between measurement electrode, can the quantitative measurement moisture of skin.Concrete device is as the device of the patent No. test moisture of skin that is 03242760.3; In CN201001730, a kind of good interactive Skin Moisture Test Pen that has is simply and easily disclosed.
Yet much early stage research shows, the BIA method is not considered as by most people the method that provides the Measurement accuracy health to form.Although in recent years, technology is also being updated, and the measurement that the health of BIA is formed is more reliable.However, it is not also one " goldstandard " or first-selected reference method.
In addition, capacitance method is that a quilt is specifically applied to the method that moisture of skin is measured.The ultimate principle of capacitance method is because dielectric constant (<7) variation of water (81) and other material is quite large, difference according to water content, suitably the capacitor of shape can change along with the variation of the capacitance of skin, and the capacitance of skin is in the scope of measuring, so just can measure the moisture of skin.Use at present the capacitance measurement moisture of skin quite accurate with respect to the BIA method.Wherein
sensor be considered to " goldstandard " of moisture of skin sensor.But it only is used to research purpose usually, and because cost and limited availability make it be difficult to popularize.
The characteristics that detect for the body local moisture of skin, we need a kind of small and exquisite, safe, accurate and inexpensive checkout equipment.
At present, although adopt the device of capacitance method to compare Bioelectrical impedance analysis, can accurately detect local skin moisture, because the deficiencies such as cost height and complex structure are difficult to popularize.This utility model is for the deficiency more than capacitance method, adopted a kind of capacitance sensor that can Measurement accuracy keratodermatitis moisture to carry out the detection of local skin moisture, and adopt a kind of single-chip switch technology of electric capacity-digital translation, greatly reduce the complexity of device.In addition, the characteristics of this utility model maximum are to adopt a kind of method of two-capacitance sensor Differential Detection can reduce to greatest extent the interference of external environment, thereby obtain testing result more accurately.In addition, body local moisture of skin detection system of the present utility model combines ambient parameter and detects and assessment, and the server platform of based on database carries out Analysis of test results, subscriber information management and user and estimates shared platform.
The utility model content:
The purpose of this utility model is to provide fast a kind of and accurately detects the water quantities of body local skin, distinguishes whereby the effect of cosmetics.Aspect medical and beauty treatment, this utility model can more accurately be known the moisture of body local skin, thereby selects better cosmetics, protection skin.
This utility model is achieved by the following technical programs: body local moisture of skin detection system comprises data acquisition front, the user terminal be connected with data acquisition front by the low-power consumption bluetooth.
Data acquisition front, its function is to gather the capacitance of body local keratodermatitis moisture and humidity, temperature, light intensity and the noise data of testing environment, and data are sent to user terminal by bluetooth module.Data acquisition front comprises body local moisture of skin detecting unit and ambient parameter collecting unit.Wherein, body local moisture of skin detecting unit is to adopt the two-capacitance sensor differential mode to come the capacitance of detection of skin horny layer moisture indirectly to measure the relative humidity of body local skin.The user contacts with the detection position collection of carrying out data by an end of data acquisition front capacitor sensor, data are after the processing of circuit filtering and process chip, send to user terminal by the low-power consumption bluetooth, process chip is to data analysis simultaneously, draw the relative humidity that detects position, testing result is presented on liquid crystal display screen.Wherein, described two-capacitance sensor differential mode is that the capacitance sensor of one of them passage, as with reference to input, carrys out the interference of balance environment to testing result using two capacitance sensors simultaneously as the input of electric capacity-digital converter; The capacitance sensor of another passage is used for detecting the capacitance of local skin horny layer moisture; Digital signal to two passages of electric capacity-digital converter is asked difference, and the difference of gained can obtain body local skin relative humidity through conversion.The ambient parameter collecting unit is integrated with various sensors and gathers ambient parameter: the temperature of acquisition testing environment, humidity, noise and intensity of illumination send to user terminal by the low-power consumption bluetooth after the processing of circuit filtering and process chip.
User terminal can be user's smart mobile phone, panel computer or PC.The Bluetooth function that user terminal running client application software carries by equipment is connected with the data acquisition end, receives the data from the data acquisition end.
Described data acquisition front comprises that capacitance sensor, electric capacity-digital converter, temperature sensor, humidity sensor, light intensity sensor, noise transducer, process chip, bluetooth module, power module, LCD MODULE form, and each several part connects and is integrated in a cabinet by circuit.Described capacitance sensor one has two, outer across dielectric film, and one of them contacts the capacitance for detection of keratodermatitis moisture with detecting position, and another does not contact the background noise for detection of environment.
Described data acquisition front capacitance sensor is interdigital telegraph circuit (being of a size of 5mm * 5mm * 0.6mm), electrode is attached on substrate, skin posts one deck insulation film, distance between the positive and negative electrode of interdigital electrode enough nearly (approximately 15 μ m) makes the electric field line between positive and negative electrode can just be deep into keratodermatitis, interdigital electrode (the wide 55 μ m that are about, height is 8 μ m) internal layer is molybdenum (height is about 0.2 μ m), outer is gold (height is about 8 μ m).
The AD7105 that described data acquisition front electric capacity-digital converter is ADI, this chip reduces the complexity of apparatus structure greatly.
The accurate analog controller ADUC7060 of the low power consuming that described data acquisition front process chip is ADI.This chip makes the utlity model has high-precision analog-digital conversion and low power capabilities, thereby makes device have the longer working time.
Described data acquisition front bluetooth module is bluetooth 4.0, and bluetooth module is wrapped up by the shell of data acquisition front.Bluetooth 4.0, the operation that it is extremely low and stand-by power consumption can make button cell continuous operation several years, and it is low-cost and across vendor interoperability, 3 milliseconds low postpone, many characteristics such as extra long distance, AES-128 encryption more than 100 meters, can be for various fields such as pedometer, rhythm of the heart monitor, intelligence instrument, sensor Internet of Things.
Described data acquisition front power module is comprised of two twist button batteries, power supply indicator and control circuits of an end that is arranged on data acquisition front.Battery is wrapped up by the shell of data acquisition front, and an end of data acquisition front shell has a button, presses the button can open shell and be convenient for changing battery; In addition, the electric weight of process chip Real-Time Monitoring battery, be presented at current electric quantity on liquid crystal display screen.
Described user terminal client application software is the application software that comprises operating systems such as being applicable to IOS, Android, Windows.The function of client software comprises that analytical data draws testing result, detects the demonstration of data and testing result, the storage of testing result, upload server, online query; Share online, exchange and detect gains in depth of comprehension, used cosmetics are estimated.
Profitable fruit of the present utility model is, detection system convenience, safety and science.The checkout gear flexible design of body local moisture of skin detection system, lightly, easily use and prompt band; Checkout gear has electric insulation blocking, and the testing process no current, by human body, guarantees the user life security; The effect of two-capacitance sensor differential mode is the impacts of the factors such as the temperature that reduces testing environment, humidity on testing result, and detection system is also with the ambient parameter collection, make interpretation of result more rationally, science.In addition, this utility model facilitates user to understand the situation of change of moisture of skin, can choose cosmetics for the skin type of self, shares online, exchanges and detect gains in depth of comprehension and cosmetics are carried out to the effect evaluation.
The accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of data acquisition front structure of the present utility model;
Fig. 3 is the structural representation of capacitance sensor of the present utility model;
Fig. 4 is detection schematic diagram of the present utility model;
Fig. 5 is the workflow diagram that data acquisition front of the present utility model carries out the local skin water content detection;
Fig. 6 is the workflow diagram that data acquisition front of the present utility model carries out the ambient parameter collection.
Fig. 7 is the functional schematic of client terminal of the present utility model.
Wherein, 1, data acquisition front; 2, user terminal (smart mobile phone, panel computer, PC); 11, with the protective cap of data acquisition front adaptation; 12, capacitance sensor; 13, light intensity sensor; 14, power switch button; 15, humidity, temperature sensor; 16, power supply indicator; 17, LCDs; 18, shell; 19, noise transducer; 21, positive plate; 22, negative plate; 23, copper cash; 31, insulated substrate; 32, insulation film; 33, top layer skin; 34, divergencing field.
The specific embodiment:
Below to further illustrate of the present utility model, rather than to restriction of the present utility model.
Embodiment 1:
As shown in Figure 1, body local moisture of skin detection system of the present utility model, with data acquisition front 1, the user terminal 2 of protective cap 11;
As shown in Figure 2, data acquisition front 1 comprises adaptive protective cap 11; Capacitance sensor 12, two capacitance sensors 12 are one in front and one in back installed, outer parcel one deck insulation film, and one of them capacitance sensor 12 contacts with test section; The light intensity of light intensity sensor 13 acquisition testing environment also converts digital signal to; Power switch button 14, for triggering, release type button, is pressed the triggering power-on for the first time, presses for the second time the release powered-down; Humidity, the temperature of humidity, temperature sensor 15 acquisition testing environment also converts digital signal to; Power supply indicator 16 luminances mean power initiation, cease the state representation power-off that goes out; LCDs 17 is TFT type LCDs, shows light intensity, humidity, the temperature of testing result, battery electric quantity and current detection environment; The shell 18 of data acquisition front 1 encapsulates checkout gear, and parcel battery and bluetooth module, wherein battery provides power supply for two button cells for whole data acquisition front 1, and bluetooth module provides data-transformation facility for bluetooth 4.0 modules for data acquisition front 1; The noise of noise transducer 19 acquisition testing environment also converts digital quantity to;
The bluetooth module of the shell parcel of data acquisition front 1 is low-power consumption bluetooth 4.0 modules, and process chip is controlled bluetooth 4.0 modules data are sent to user terminal 2; Bluetooth 4.0 modules can be encrypted data before sending data, guaranteed the safety of user data.
As shown in Figure 3, capacitance sensor 12 essence are the edge effects that utilized between the electrode (internal layer is molybdenum, and internal layer is gold) that two spacing distances are very little.Anelectrode 21 and negative electrode 22 are embedded on printed circuit board, and electrode (laterally) is parallel staggered, one side every, all with a wire 23 (vertically), is connected as outfan;
As shown in Figure 4, two strip electrodes on capacitance sensor 12 have served as capacitor positive plate 21 and negative plate 22 store electric charge.When capacitance sensor 12 approaches skin, the divergencing field 34 between anelectrode 21 and negative electrode 22 is applied to the horny layer of top layer skin 33.The degree of depth and the distance between anelectrode 21 and negative electrode 22 of divergencing field 34 effects are approximately proportional.Distance between anelectrode 21 of the present utility model and negative electrode 22 is about 15 μ m, electrode is high be 8 μ m make capacitance sensor detect be horny layer (cuticular thickness approximately: moisture 10-20 μ m), avoid having influence on the more subcutaneous tissue of deep layer (as blood vessel);
As shown in Figure 5, the work process of data acquisition front 1 of the present utility model is as follows, capacitance sensor 12 gathers respectively the capacitance of keratodermatitis moisture and the background noise of testing environment, be input to single-chip electric capacity-digital converter the analog quantity converting digital amount of electric capacity by the difference input mode, electric capacity-digital converter is with I simultaneously
2the C bus is sent to process chip to digital signal and carries out the conversion of digital filtering and relative humidity and draw testing result.Process chip is also carried out this locality to testing result and is stored, and monitoring battery electric quantity, control Bluetooth chip send to user terminal 2 by image data.
As shown in Figure 6, data acquisition front 1 also comprises the ambient parameter collecting unit, the work process of this unit is as follows, humidity, temperature sensor 15, light intensity sensor 13, noise transducer 19 gather the analog quantity of environment and convert digital quantity to and send to process chip, and process chip is carried out digital signal filter and the digital signal after processing is sent to user terminal 2 by bluetooth.
As shown in Figure 7, the work process of user terminal 2 is as follows, on user terminal 2, the Bluetooth function of operation Client application software control equipment self receives the data from data acquisition front 1, and the data from data acquisition front 1 are processed, analyzed and draw testing result, and testing result is shown; Be to show more intuitively testing process, user terminal 2 also depicts with the graph curve form curve chart that detects data simultaneously.The user can upload to testing result the server address of appointment by the function of surfing the Net of Client application software application user terminal 2.
In addition, the function of following three aspects also is provided
1, data storage
Application software on the storage card of user terminal 2, also can upload the data to the server of assigned address by the data storing of the initial data that collects shown in data acquisition front 1, testing result.The user can use Client application software from storage card or from the server downloads historical data.
2, share online, exchange
Application software on user user terminal 2 can be wanting the information of sharing with friend to send on social network sites, and exchanged, comment on friend.
3, the effect evaluation of cosmetics
The user can user's terminal the Quick Response Code of 2 scanning cosmetics, read the product information of cosmetics and be stored among the data base.Because the difference of using body local moisture of skin detection system of the present utility model to the moisture of skin before and after making to apply some make up has historical record, before having used a certain cosmetics by contrast and testing result afterwards can estimate the effect of these cosmetics.
Claims (4)
1. body local moisture of skin detection system, it is characterized in that, comprise data acquisition front (1), the protective cap (11) adaptive with data acquisition front (1), user terminal (2), described data acquisition front (1) comprises capacitance sensor (12), light intensity sensor (13), power switch button (14), humidity, temperature sensor (15), power supply indicator (16), LCDs (17), noise transducer (19), seven parts connect and compose an electric loop by circuit and are encapsulated by the shell (18) of data acquisition front (1) together with the battery of the shell (18) of data acquisition front (1) parcel and bluetooth module.
2. body local moisture of skin detection system according to claim 1, it is characterized in that, two capacitance sensors (12) while is as the input of electric capacity-digital converter, the capacitance sensor of one of them passage (12), as with reference to input, carrys out the interference of balance environment to testing result; The capacitance sensor of another passage (12) is used for detecting the capacitance of local skin horny layer moisture; Digital signal to two passages of electric capacity-digital converter is asked difference, and the difference of gained is through being converted to body local skin relative humidity, combining environmental temperature, humidity, light intensity, noise and person under inspection's age assessment person under inspection's skin type.
3. body local moisture of skin detection system according to claim 1, it is characterized in that, described capacitance sensor (12) is interdigital telegraph circuit, electrode is attached on insulated substrate (31), described capacitance sensor (12) skin posts one deck insulation film (32), one of them contacts with the detection position, two strip electrodes have served as positive plate (21) and the negative plate (22) of capacitor, distance between the two is about 15 μ m, each electrode is high is 8 μ m, respectively there is copper cash (23) to draw, the depth of interaction of the divergencing field between positive and negative electrode (34) is about 10-20 μ m, can be applied to the horny layer of top layer skin (33).
4. body local moisture of skin detection system according to claim 1, it is characterized in that, described light intensity sensor (13) is the element that converts the signal of telecommunication a little less than light intensity to, described power switch button (14) is for triggering, the release type button, press for the first time the triggering power-on, press for the second time the release powered-down, described humidity, temperature sensor (15) is for water vapour content in gas and ambient temperature and convert the element of the signal of telecommunication to, described power supply indicator (16) is green LED, luminance means power initiation, cease the state representation power-off that goes out, described LCDs (17) is TFT type LCDs, described noise transducer (19) is for converting environment noise to the element of the signal of telecommunication, described shell (18) is cabinet, the battery wrapped up is two button cells, bluetooth module is low-power consumption bluetooth 4.0 modules.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104799857A (en) * | 2014-01-27 | 2015-07-29 | 杭州雪肌科技有限公司 | Method for detecting comprehensive skin data |
| CN104799856A (en) * | 2014-01-27 | 2015-07-29 | 杭州雪肌科技有限公司 | Tester for testing skin data |
| CN104840185A (en) * | 2015-04-27 | 2015-08-19 | 苏州美一点智能科技有限公司 | Skin tester |
| WO2015172266A1 (en) * | 2014-05-13 | 2015-11-19 | 陈威宇 | Adaptability skincare information prompting system and adaptability skincare prompting method thereof |
| CN106037629A (en) * | 2015-04-17 | 2016-10-26 | 黄文雄 | Skin detection device and system |
| WO2016179872A1 (en) * | 2015-05-12 | 2016-11-17 | 深圳市和宏实业股份有限公司 | Tester for skin moisture and chemical components on fruit and vegetable surfaces |
| CN106308793A (en) * | 2015-06-18 | 2017-01-11 | 科沃斯机器人股份有限公司 | Skin tester |
| CN107427227A (en) * | 2015-06-15 | 2017-12-01 | 哈伊姆·埃米尔 | System and method for adapting skin treatment |
| CN108309237A (en) * | 2018-01-29 | 2018-07-24 | 杭州美界科技有限公司 | A kind of intelligence skin detection mirror |
| CN109118260A (en) * | 2017-06-23 | 2019-01-01 | 杭州美界科技有限公司 | A kind of beauty recommender system based on Customer Information acquisition |
| CN112107296A (en) * | 2020-09-10 | 2020-12-22 | 深圳安道客网络科技有限公司 | Skin information detection system and detection method |
| CN112505111A (en) * | 2020-11-13 | 2021-03-16 | 东莞华贝电子科技有限公司 | Air humidity detection device, fingerprint unlocking equipment and detection method |
| CN112914581A (en) * | 2020-09-30 | 2021-06-08 | 世耳医疗科技(上海)有限公司 | Human body bioelectricity detection equipment, detection system and detection method |
| CN113827183A (en) * | 2020-06-23 | 2021-12-24 | 福州数据技术研究院有限公司 | Device and method for photoacoustic probe light-emitting protection based on transparent capacitor film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104799856A (en) * | 2014-01-27 | 2015-07-29 | 杭州雪肌科技有限公司 | Tester for testing skin data |
| CN104799857A (en) * | 2014-01-27 | 2015-07-29 | 杭州雪肌科技有限公司 | Method for detecting comprehensive skin data |
| WO2015172266A1 (en) * | 2014-05-13 | 2015-11-19 | 陈威宇 | Adaptability skincare information prompting system and adaptability skincare prompting method thereof |
| CN106037629A (en) * | 2015-04-17 | 2016-10-26 | 黄文雄 | Skin detection device and system |
| CN106037629B (en) * | 2015-04-17 | 2019-08-20 | 黄文雄 | Skin detection device and system |
| CN104840185A (en) * | 2015-04-27 | 2015-08-19 | 苏州美一点智能科技有限公司 | Skin tester |
| CN104840185B (en) * | 2015-04-27 | 2019-12-20 | 科沃斯机器人股份有限公司 | Skin tester |
| WO2016179872A1 (en) * | 2015-05-12 | 2016-11-17 | 深圳市和宏实业股份有限公司 | Tester for skin moisture and chemical components on fruit and vegetable surfaces |
| US11234594B2 (en) | 2015-06-15 | 2022-02-01 | E.S.I Novel Ltd. | Systems and methods for adaptive skin treatment |
| CN107427227A (en) * | 2015-06-15 | 2017-12-01 | 哈伊姆·埃米尔 | System and method for adapting skin treatment |
| CN106308793A (en) * | 2015-06-18 | 2017-01-11 | 科沃斯机器人股份有限公司 | Skin tester |
| CN109118260A (en) * | 2017-06-23 | 2019-01-01 | 杭州美界科技有限公司 | A kind of beauty recommender system based on Customer Information acquisition |
| CN108309237A (en) * | 2018-01-29 | 2018-07-24 | 杭州美界科技有限公司 | A kind of intelligence skin detection mirror |
| US11974856B2 (en) | 2019-11-25 | 2024-05-07 | Analog Devices International Unlimited Company | Wearable sensor and method of forming thereof |
| CN113827183A (en) * | 2020-06-23 | 2021-12-24 | 福州数据技术研究院有限公司 | Device and method for photoacoustic probe light-emitting protection based on transparent capacitor film |
| CN113827183B (en) * | 2020-06-23 | 2023-11-14 | 福州数据技术研究院有限公司 | Device and method for photo-acoustic probe light-emitting protection based on transparent capacitance film |
| CN112107296A (en) * | 2020-09-10 | 2020-12-22 | 深圳安道客网络科技有限公司 | Skin information detection system and detection method |
| CN112914581A (en) * | 2020-09-30 | 2021-06-08 | 世耳医疗科技(上海)有限公司 | Human body bioelectricity detection equipment, detection system and detection method |
| CN112505111A (en) * | 2020-11-13 | 2021-03-16 | 东莞华贝电子科技有限公司 | Air humidity detection device, fingerprint unlocking equipment and detection method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20140506 |