CN204542063U - A kind of skin parameters measuring device - Google Patents
A kind of skin parameters measuring device Download PDFInfo
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- CN204542063U CN204542063U CN201520104900.0U CN201520104900U CN204542063U CN 204542063 U CN204542063 U CN 204542063U CN 201520104900 U CN201520104900 U CN 201520104900U CN 204542063 U CN204542063 U CN 204542063U
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- sensing element
- skin
- mount pad
- measuring device
- skin parameters
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Abstract
This utility model provides a kind of skin parameters measuring device, comprising: sensing element, has dressing wire grid structure; Mount pad; Described sensing element is arranged on one end of described mount pad; Spring, the other end of described spring described sensing element relative to described mount pad connects; PCB, described PCB is electrically connected with described sensing element; And housing.Because sensing element is fixed on mount pad, mount pad is connected with housing by spring, and when not by external force, sensing element is released outside housing by spring.Make sensing element can fully and contact skin, and under the effect of spring contraction, sensing element can not extrude skin, makes pressure almost constant between sensing element and skin, make this device can the pressure at effective stably measured position, thus the skin parameters of fast and accurate measurement local.And sensing element has dressing wire grid structure, and sensing element fully can contact with skin, provides the accuracy of measurement.
Description
Technical field
This utility model relates to a kind of measuring device, particularly relates to a kind of skin parameters measuring device.
Background technology
Skin parameters measuring device is used for detecting moisture of skin and oily gradation parameter, for judging that the situation of skin provides reliable data basis.But in skin parameters measuring device and contact skin process, because the change of contact pressure or instability, unstable signal can be produced thus measurement parameter produces the change, the measurement error that strengthen increases, cause measurement result inaccurate.
Summary of the invention
This utility model provide a kind of can fast and accurately to the skin parameters measuring device that skin parameters is measured.
There is provided a kind of skin parameters measuring device in a kind of embodiment, comprising:
Sensing element, has dressing wire grid structure, for senses skin parameter;
Mount pad; Described sensing element is arranged on one end of described mount pad;
Spring, the other end of described spring described sensing element relative to described mount pad connects;
PCB, described PCB is electrically connected with described sensing element;
And housing; Described housing is provided with the cavity of accommodating described sensing element, mount pad, spring and PCB, is also provided with the opening of dodging the turnover of described mount pad; Described spring one end is fixed in described shell cavity, and described PCB is fixed in described shell cavity; When not by external force, described sensing element is exposed to described housing.
Further, sensing element comprises conductive grid and insulation board, and described conductive grid is electrically connected with described PCB, and described conductive grid is pectination wire grid structure, described conductive grid is embedded on described insulation board, and described insulation board is fixed on the end face of described mount pad.
Further, the pectination wire grid structure that conductive grid is S-type.
Further, conductive grid is the dressing wire grid structure of multistage concentric type.
Further, conductive grid is at least 2 grades, mutually insulated between described conductive grid at different levels.
Further, insulation board is square or circular.
In other embodiments, this device also comprises wireless communication module, and it is electrically connected with described PCB, passes to external equipment for the skin parameters calculated by meter.
Further, wireless communication module is WIFI module or bluetooth module.
In other embodiments, this device also comprises display, and described display is embedded in the surface of described housing, is electrically connected with described PCB.
According to the one of above-described embodiment, because sensing element is fixed on mount pad, mount pad is connected with housing by spring, and when not by external force, sensing element is released outside housing by spring.Make sensing element can fully and contact skin, and under the effect of spring contraction, sensing element can not extrude skin, makes pressure almost constant between sensing element and skin, make this device can the pressure at effective stably measured position, thus the skin parameters of fast and accurate measurement local.And sensing element has dressing wire grid structure, and sensing element fully can contact with skin, provides the accuracy of measurement.
Accompanying drawing explanation
Fig. 1 is the installation diagram of a kind of skin parameters measuring device of this utility model;
Fig. 2 is the explosive view of a kind of skin parameters measuring device of this utility model;
Fig. 3 is the structural representation under a kind of skin parameters of this utility model measures naturalness;
Fig. 4 is that a kind of skin parameters of this utility model is measured and the slight extrusion structure schematic diagram of skin;
Fig. 5 is that a kind of skin parameters of this utility model measures extrusion structure schematic diagram of exerting oneself with skin;
Fig. 6 is the structural representation of the first sensing element of this utility model;
Fig. 7 is the structural representation of this utility model the second sensing element;
Fig. 8 is the structural representation of the third sensing element of this utility model;
Fig. 9 is the equivalent circuit diagram that a kind of skin parameters of this utility model measures 2 grades of conductive grids;
Figure 10 is the equivalent circuit diagram that a kind of skin parameters of this utility model measures 3 grades of conductive grids;
Figure 11 is the input and output schematic diagram that a kind of skin parameters of this utility model measures conductive grid.
Detailed description of the invention
By reference to the accompanying drawings this utility model is described in further detail below by detailed description of the invention.
As depicted in figs. 1 and 2, present embodiments provide a kind of skin parameters measuring device, comprise sensing element 1, mount pad 2, spring 3, PCB 4, housing 5, wireless communication module 6, battery 7, button 8, display lamp 9.
Sensing element 1 is fixed on one end of mount pad 2, and the other end of mount pad 2 is provided with hole slot, and spring 3 one end is fixed in housing 5, and the other end is fixed in the hole slot of mount pad 2, and namely mount pad 2 is connected with housing 5 by spring 3.Housing 5 is divided into upper shell and lower house, and upper-lower casing encloses the cavity of accommodating mount pad 2, spring 3, PCB 4, wireless communication module 6 and battery 7, and housing 5 has the hole of dodging mount pad 2 and passing in and out, and also has key hole and battery installing port.Sensing element 1, wireless communication module 6, battery 7, button 8 and display lamp 9 are electrically connected with PCB 4 respectively.Wireless communication module 6 is WIFI module or bluetooth module, metrical information can be passed to mobile phone, computer or other can the equipment of display process.Display lamp 9 is SMT post-chip lamp.
As shown in Figure 3, when not by external force, sensing element 1 and part mount pad 2 are pushed out housing 5, are convenient to aim at skin and measure.
As shown in Figure 4, when this device and skin 10 contact measurement, when extruding force is less, the degree of depth of this device extruding skin 10 is H1, and the end face of sensing element 1 is concordant with housing 5 end face, and sensing element 1 and skin 10 keep in touch.
As shown in Figure 5, when this device and skin 10 contact measurement, when extruding force is larger, the degree of depth of this device extruding skin 10 is H2, and skin 10 is out of shape comparatively large, and due to the elasticity of skin, in sensing element 1 indentation housing 5, skin and sensing element 1 keep in touch.
From such as 4 and Fig. 5, under the effect of spring 3, sensing element 1 and skin 10 are when different active force, even if H1 with H2 is different, but the position of sensing element 1 and skin 10 does not find to change, maintain constant pressure between the two, makes this device can the pressure at effective stably measured position, thus the skin parameters of fast and accurate measurement local.
In other embodiments, this device also comprises display (not shown), and display is electrically connected with PCB 4, for showing the situation of the skin parameters of this measurement device, can be shown by numeral, chart or word.
Concrete, in the present embodiment, sensor 1 comprises conductive grid 11 and insulation board 12, conductive grid 11 is electrically connected with PCB 4, conductive grid 11 is in pectination wire grid structure, and conductive grid 11 is embedded on described insulation board 12, and insulation board 12 is fixed on the end face of mount pad 2.
As shown in Figure 6, insulation board 12 is square, the dressing wire grid structure that conductive grid 11 is S-type, and conductive grid 11 is two-stage.
As shown in Figure 7, insulation board 12 is circular, the dressing wire grid structure of conductive grid 11 in multistage concentric, and conductive grid 11 is two-stage.
As shown in Figure 8, insulation board 12 is circular, the dressing wire grid structure of conductive grid 11 in multistage concentric, and conductive grid 11 is three grades.
The shape of insulation board 12 can be arranged according to real needs in other embodiments, and shape and the progression of conductive grid 11 are also arranged according to demand.
Operation principle of the present utility model is: between each pole of conductive grid 11 skin driving source drive under, formed different resistance, capacitance signal, after contact skin, signal has different changes, according to these change measuring and calculating skin parameters (moisture, oil content) its computing formula is:
When element contact skin surface, skin surface parameter all can change equivalent resistance R, equivalent capacity C, and wherein j (phase place) and ω (frequency) is definite value, thus reaches the object of measurement.
For 2 grades of conductive grids 11, be equivalent to circuit diagram as shown in Figure 9, wherein V0=V1+V2.
For 3 grades of conductive grids 11, be equivalent to circuit diagram as shown in Figure 10, wherein V0=V1+V2.
Figure 11 is the output input graph of a relation of Fig. 9 and Figure 10, can calculate the relation of moisture of skin and oil content according to the size of V0 and V1 and the hysteresis of the delayed V0 of V1.
This device is arranged to multistage pectination wire grid structure by conductive grid 11, conductive grid 11 fully can be contacted with skin, provide the accuracy of measurement.
More than applying specific case to set forth this utility model, just understanding this utility model for helping, not in order to limit this utility model.For this utility model person of ordinary skill in the field, according to thought of the present utility model, some simple deductions, distortion or replacement can also be made.
Claims (9)
1. a skin parameters measuring device, is characterized in that, comprising:
Sensing element (1), has dressing wire grid structure, for senses skin parameter;
Mount pad (2); Described sensing element (1) is arranged on one end of described mount pad (2);
Spring (3), the other end of described spring (3) described sensing element (1) relative to described mount pad (2) connects;
PCB (4), described PCB (4) is electrically connected with described sensing element (1);
And housing (5); Described housing (5) is provided with the cavity of accommodating described sensing element (1), mount pad (2), spring (3) and PCB (4), is also provided with the opening of dodging described mount pad (2) and passing in and out; Described spring (3) one end is fixed in described housing (5) cavity, and described PCB (4) is fixed in described housing (5) cavity; When not by external force, described sensing element (1) is exposed to described housing (5).
2. skin parameters measuring device as claimed in claim 1, described sensing element (1) comprises conductive grid (11) and insulation board (12), described conductive grid (11) is electrically connected with described PCB (4), described conductive grid (11) is in pectination wire grid structure, described conductive grid (11) is embedded on described insulation board (12), and described insulation board (12) is fixed on the end face of described mount pad (2).
3. skin parameters measuring device as claimed in claim 2, the pectination wire grid structure that described conductive grid (11) is S-type.
4. skin parameters measuring device as claimed in claim 2, the dressing wire grid structure of described conductive grid (11) in multistage concentric type.
5. skin parameters measuring device as claimed in claim 2, described conductive grid (11) is at least 2 grades, mutually insulated between described conductive grid (11) at different levels.
6. the skin parameters measuring device as described in claim 3 or 4 or 5, described insulation board (13) is for square or circular.
7. skin parameters measuring device as claimed in claim 6, also comprise wireless communication module (6), it is electrically connected with described PCB (4), passes to external equipment for the skin parameters calculated by meter.
8. skin parameters measuring device as claimed in claim 7, described wireless communication module (6) is WIFI module or bluetooth module.
9. skin parameters measuring device as claimed in claim 8, also comprise display, described display is embedded in the surface of described housing (5), is electrically connected with described PCB (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104900.0U CN204542063U (en) | 2015-02-13 | 2015-02-13 | A kind of skin parameters measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104900.0U CN204542063U (en) | 2015-02-13 | 2015-02-13 | A kind of skin parameters measuring device |
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| Publication Number | Publication Date |
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| CN204542063U true CN204542063U (en) | 2015-08-12 |
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| CN201520104900.0U Active CN204542063U (en) | 2015-02-13 | 2015-02-13 | A kind of skin parameters measuring device |
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| CN (1) | CN204542063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105380389A (en) * | 2015-10-09 | 2016-03-09 | 京东方科技集团股份有限公司 | Intelligent comb |
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2015
- 2015-02-13 CN CN201520104900.0U patent/CN204542063U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105380389A (en) * | 2015-10-09 | 2016-03-09 | 京东方科技集团股份有限公司 | Intelligent comb |
| CN105380389B (en) * | 2015-10-09 | 2019-02-22 | 京东方科技集团股份有限公司 | Intelligent comb |
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