CN201767951U - Skin testing instrument - Google Patents

Abstract

The utility model relates to a skin testing instrument, which comprises an instrument body and a measurement control circuit portion. The instrument body with a penholder-shaped appearance comprises a casing, a head plug, a tail plug, a top cover, a transparent lens, contacts, a tail cover, a tail screw ring, a printed circuit board, an LCD display screen, a backlight plate, a body support, contact slingshots, a battery slingshot, a hook-shaped slingshot and a screw. The measurement control circuit board is provided with a main control module respectively connected with an operating control switch, the LCD display screen, a driving circuit and a DC power supply portion. When the instrument is used, the contacts of two detection electrodes simultaneously contact with the surface of human skin, data is processed by a single chip microprocessor and displayed on the LCD display screen, and softness and roughness of the skin and proportion of moisture content and oil content in the skin are determined by reading the data. The skin testing instrument has the advantages of reasonable structural design, rapid and accurate measurement, convenience in measurement and capability of leading a user to understand self skin conditions clearly so as to select skin care product reasonably and maintain the skin in a comfortable and healthy state.

Description

Skin test equipment

Technical field

This utility model relates to a kind of test instrunment, but particularly a kind of skin test equipment of Measurement and analysis skin matter situation.

Background technology

Along with improving constantly of living standards of the people, people's health care consciousness is in continuous reinforcement, so all types of skin protection equipment enters into market one after another.At present, like product on the market mainly contains two kinds: a kind of is wireless portable tester, adopts wireless transmit to be connected with TV or computer with reception technique, disposes a series of pick-up lenss simultaneously, thereby check and analysis are carried out with the skin picture of camera lens bust shot in the capturing skin surface; But there is function singleness, the shortcoming that can not use separately.Another kind of employing television-specific tester, but the user of this instrument needs Professional knowledge on top of, and operation easier is big, needs a lot of energy and times.

For satisfying people's health care demand, provide a kind of reasonable in design, moulding exquisiteness, dependable performance, measurement data accurate, easy to use, and the skin test equipment of skin matter situation and health care guidance can be provided for the user, promptly become one of these those skilled in the art problem anxious to be addressed.

The utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of reasonable in design, dependable performance, data skin test equipment accurate, easy to use are provided.

The technical scheme that this utility model adopted is for achieving the above object: a kind of skin test equipment, this test instrunment comprise apparatus subject and circuit of measurement and control part; It is characterized in that:

Described apparatus subject external form is the penholder shape, comprises housing, head stopper, afterbody stopper, top cover, transparent mirror, contact, tail-hood, afterbody eyebolt, printed circuit board (PCB) (PCB), LCD display, backlight, main body rack, contact catapult, battery catapult, hook-type catapult and screw; Described contact catapult, battery catapult and backlight are welded in respectively on the printed circuit board (PCB), and LCD display places in the main body rack with the integral body that the backlight, contact catapult and the battery catapult that are connected on the printed circuit board (PCB) form; And set battery in the housing, the hook-type catapult is welded in printed circuit board (PCB) and is connected with the intravital anode of shell, adopts the screw location, form the apparatus subject assembly, be placed in the housing, contact is placed in the head stopper again, adopt glue that contact and head stopper is bonding, its top sets top cover; Described transparent mirror is adhesively fixed on the housing display window; Described tail-hood, afterbody stopper and afterbody eyebolt are fixedly connected to form the cap assembly; The cap assembly that forms screwed with the apparatus subject assembly cooperate the formation one;

Described circuit of measurement and control comprises main control module, and described main control module partly is connected with operation-control switch, LCD display, drive circuit, direct current supply respectively; Described main control module comprises the single-chip microcomputer of electric capacity, resistance, diode, incorporated amplifier; The single-chip microcomputer one termination power positive pole of described incorporated amplifier, other end ground connection, outfan connects electric capacity, first resistance and second resistance, one end respectively; Electric capacity is connected with first resistance, the second resistance other end, electric capacity other end ground connection; First diode, second diode, the 3rd diode and the 4th diode divide two groups to be connected in the second resistance two ends, be connected with contact and LCD display when power supply is connected as exploring electrode.

The beneficial effects of the utility model are: determine the index of skin matter below this instrument measurable, comprise moisture content, oil content and softness and the roughness of skin; Scientific analysis skin elasticity and oiliness situation.

This utility model is measured fast, data are accurate, simple operation, can make the user understand self skin matter situation, use corresponding skin care products but reference measurements is correct, according to the effectiveness of cosmetology to skin, the choose reasonable skin-protection product makes skin remain on the state of comfortable health.

This utility model is because reasonable in design, the moulding exquisiteness, and dependable performance, effect is remarkable; Can independently use, and infusion of financial resources is few, efficiently solves the deficiency of existing like product, the scope of application is wide simultaneously, therefore is particularly suitable for extensive popularization.

Description of drawings

Fig. 1 is this utility model STRUCTURE DECOMPOSITION sketch map;

Fig. 2 is this utility model circuit of measurement and control module connection diagram;

Fig. 3 is this utility model main control module circuit connection diagram.

Among the figure: 1 housing, 2 head stoppers, 3 afterbody stoppers, 4 top covers, 5 transparent mirror, 6 contacts, 7 tail-hoods, 8 afterbody eyebolts, 9 printed circuit board (PCB)s, 10LCD display screen, 11 backlight, 12 main body racks, 13 contact catapults, 14 battery catapults, 15 hook-type catapults, 16 screws.

The specific embodiment

Below in conjunction with accompanying drawing and preferred embodiment, details are as follows to the specific embodiment, structure and feature that foundation this utility model provides:

As shown in Figure 1, a kind of skin test equipment, this test instrunment comprise apparatus subject and circuit of measurement and control part; This instrument external form is the penholder shape, is connected to form by housing 1, head stopper 2, afterbody stopper 3, top cover 4, transparent mirror 5, contact 6, tail-hood 7, afterbody eyebolt 8, printed circuit board (PCB) 9, LCD display 10, backlight 11, main body rack 12, contact catapult 13, battery catapult 14, hook-type catapult 15 and screw 16; Described contact catapult 13, battery catapult 14 and backlight 11 are welded in respectively on the printed circuit board (PCB) 9 and are connected with main control module; LCD display 10 and be welded in the integral body that backlight 11 on the printed circuit board (PCB) 9, contact catapult 13 and battery catapult 14 form and place in the main body rack 12; Described hook-type catapult 15 is welded in printed circuit board (PCB) 9 and is connected housing 1 and is connected with anode, and adopts screw 16 location, forms the apparatus subject assembly; Be placed in the housing 1, contact 6 placed in the head stopper 2 again, adopt glue that contact 6 and head stopper 2 are adhesively fixed, its top sets top cover 4; Adopt double faced adhesive tape that transparent mirror 5 is fixed on housing 1 display window, then battery is put into housing 1; With anchor clamps tail-hood 7, afterbody stopper 3 and afterbody eyebolt 8 are fixed as the cap assembly in addition; The cap assembly that forms screwed with the apparatus subject assembly cooperate the formation one.

As Fig. 2, shown in Figure 3, the main control module that circuit of measurement and control of the present utility model is provided with partly is connected with operation-control switch, LCD display, drive circuit, direct current supply respectively.

Described main control module comprises the single-chip microcomputer of capacitor C, resistance R 1, R2, diode D1-D4, incorporated amplifier; The single-chip microcomputer one termination power positive pole of described incorporated amplifier, other end ground connection, outfan connects an end of capacitor C, first resistance R 1 and second resistance R 2 respectively; Capacitor C is connected capacitor C other end ground connection with first resistance R 1, second resistance R, 2 other ends; The first diode D1, the second diode D2, the 3rd diode D3 and the 4th diode D4 divide two groups to be connected in second resistance R, 2 two ends, be connected with contact and LCD display when power supply is connected as exploring electrode.

By adopting capacitance method, owing to the variation of the integrated built-in sensors measurement of this instrument single-chip microcomputer meeting along with each position resistance of skin changes, and the resistance of skin changes along with the varied in thickness of keratodermatitis, combine with peripheral agitator, thereby the generation data are measured skin elasticity and oiliness situation.

Housing described in the utility model is a pen type, and the surface is provided with the baking vanish layer.Housing can adopt copper pipe, places two metal contact of front end and the pick off of inner single-chip microcomputer to form exploring electrode.Two exploring electrode inside are docked with the single-chip processor i/o mouth by two elastomer connectors, and two exploring electrodes are touched the human body skin surface simultaneously, this moment skin surface resistance and the basic resistance value ratio of instrument after, handle by single-chip microcomputer, produce a frequency, sense data simultaneously, be presented at LCD display, on, by the softness and the roughness of sense data judgement skin, and the oil content ratio of skin.This instrument is by the employing capacitance method, and this is because the dielectric constant 81 of water exists significantly different with dielectric constant＜7 of other material; Measuring instrument can change along with the change in resistance of skin, and the resistance of skin changes along with the variation of moisture content.The power supply of this instrument is DC 3V, can adopt two LR44 button cells, and this power supply is as the test energy, and is safe and convenient.

This utility model is by analyzing the resistance structure of human body skin, in conjunction with the difference to the different human body keratodermatitis.The detection contact at these product two ends is touched skin surface, make skin surface directly through surveying the capacitor C that contact is connected to wiring board, resistance R, form a loop, make and survey frequency of contact two ends generation, this frequency is by the I/O port of single-chip microcomputer JDW-810, parameter is set relatively through single-chip microcomputer inside, processing and amplifying, and gather above-mentioned comparison by the conversion of inside, amplified voltage value, through magnitude of voltage and the cuticular relation of skin surface in the storage data, sense data is presented on the LCD display, search the contrast form by data presented again, obtain the result of human body skin skin matter.

During use, by powering on LCD display, the complete bright and meeting main control module of screen-picture.

Press the measurement button, the LCD display picture will be by middle 0 to the left and right, and it is the sound equipment prompting after bright that lattice one lattice are illuminated to complete, and expression can begin to measure skin; This moment, the LCD display picture can be coruscated, and detecting head is pushed the desire sites measured, push 3～4 seconds after, sound equipment prompting expression measures, LCD display promptly shows the lattice number of measuring gained.

As not measuring, shutdown automatically after then the LCD display picture flashes 10 times, LCD display OFF.Measure again as desiring, then click the measurement button again, operate step as described above.

Measure after test is finished as no longer, can click the measurement button, shutdown automatically after then the LCD display picture flashes 10 times.

Supply voltage: DC (LR44x2) 3V;

Quiescent current: 15 μ A;

When measuring not at that time, LCD shows ERROR;

When measurement was correct, LCD showed OK.

The explanation of detection effect: face's skin matter test, indication range is referring to table 1, table 2, table 3.

Table 1, skin moisture data:

Table 2, skin oil piece of data:

Table 3, the soft and dry data of skin matter compare:

Above-mentioned with reference to embodiment to the detailed description that skin test equipment carries out, be illustrative rather than determinate; Therefore in the variation and the modification that do not break away under this utility model general plotting, should belong within the protection domain of the present utility model.

Claims (1)

1. skin test equipment, this test instrunment comprises apparatus subject and circuit of measurement and control part; It is characterized in that:

Described apparatus subject external form is the penholder shape, comprises housing, head stopper, afterbody stopper, top cover, transparent mirror, contact, tail-hood, afterbody eyebolt, printed circuit board (PCB), LCD display, backlight, main body rack, contact catapult, battery catapult, hook-type catapult and screw; Described contact catapult, battery catapult and backlight are welded in respectively on the printed circuit board (PCB), and LCD display places in the main body rack with the integral body that the backlight, contact catapult and the battery catapult that are connected on the printed circuit board (PCB) form; And set battery in the housing, the hook-type catapult is welded in printed circuit board (PCB) and is connected with the intravital anode of shell, adopts the screw location, form the apparatus subject assembly, be placed in the housing, contact is placed in the head stopper again, adopt glue that contact and head stopper is bonding, its top sets top cover; Described transparent mirror is adhesively fixed on the housing display window; Described tail-hood, afterbody stopper and afterbody eyebolt are fixedly connected to form the cap assembly; The cap assembly that forms screwed with the apparatus subject assembly cooperate the formation one;

Described circuit of measurement and control comprises main control module, and described main control module partly is connected with operation-control switch, LCD display, drive circuit, direct current supply respectively; Described main control module comprises the single-chip microcomputer of electric capacity, resistance, diode, incorporated amplifier; The single-chip microcomputer one termination power positive pole of described incorporated amplifier, other end ground connection, outfan connects electric capacity, first resistance and second resistance, one end respectively; Electric capacity is connected with first resistance, the second resistance other end, electric capacity other end ground connection; First diode, second diode, the 3rd diode and the 4th diode divide two groups to be connected in the second resistance two ends, be connected with contact and LCD display when power supply is connected as exploring electrode.

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