CN211043137U

CN211043137U - Hair brightness detector

Info

Publication number: CN211043137U
Application number: CN201921710362.4U
Authority: CN
Inventors: 阳宇春
Original assignee: Individual
Current assignee: Sichuan Academy Of Medical Sciences Sichuan Provincial People's Hospital
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-07-17
Anticipated expiration: 2029-10-12

Abstract

The utility model provides a hair brightness detector, relating to the technical field of hair detection; the system comprises a lighting system, an optical lens, a brightness induction chip and a main circuit board, wherein the optical lens is used for receiving light reflected by the surface of hair to be detected, the brightness induction chip is used for inducing the light refracted by the optical lens, converting collected light-induced signals to obtain corresponding voltage signals, the main circuit board is connected with the brightness induction chip and is connected with a display screen at a signal output end, and the obtained voltage output signals are converted into digital voltage signals which can be displayed by the display screen; through implementing this technical scheme, can effectively solve among the prior art not be convenient for detect the technical problem of first luminous luminance by oneself to realize simple swift first luminous luminance of detection, and the detector is small light portable, and the practicality is good.

Description

Hair brightness detector

Technical Field

The utility model relates to a hair detects technical field, especially relates to a hair luminance detector.

Background

The hair is an important component of human body, the basic component of the hair is keratin, the keratin is composed of various amino acids, the amino acids provide nutrient components required by the hair, and in addition, the hair also contains trace elements, lipids, pigments and water. The part of the hair exposed out of the epidermis is called the hair shaft, and the part buried in the skin is called the hair root; the hair can be divided into three layers from outside to inside when viewed structurally: the cuticle layer, the cortex layer and the medulla layer are also called as hair scales, are protective layers of hair shafts and mainly resist damage of external physical and chemical factors to the hair, and the health condition of the hair scales is mainly reflected in the softness and glossiness of the hair.

With the increase of the consumption level of people, the consumption products used on the hair are increasing, especially the popularization of perm and hair dyeing, the cuticular layer of the hair is easily damaged by being incapable of resisting the generated physical and chemical factors, and then the loss of glossiness of the hair is shown. Therefore, the method has practical significance for detecting the hair brightness, knowing the health condition of the hair and correspondingly preventing hair damage or timely repairing damaged hair quality. However, the hair measuring instrument in the prior art is generally a large-scale machine, is mainly applied to the hair care industry, and can obtain hair measurement and determine the hair quality grade when a consumer enters the specific places to consume the energy, so that the daily detection requirement of people cannot be met.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that be not convenient for detect first luminous luminance by oneself among the above-mentioned prior art, the utility model aims to provide a hair luminance detector, detection head luminous luminance that can be simple swift, easy operation.

The utility model adopts the technical scheme as follows:

a hair lightness detector comprises

The illumination system comprises a light source with constant brightness, and the light source corresponds to the hair to be detected;

the optical lens is used for receiving the light reflected by the surface of the hair to be detected;

the light intensity sensing chip is used for sensing the light refracted by the optical lens and carrying out photoelectric conversion processing on the collected light sensing signals to obtain corresponding voltage signals;

and the main circuit board is connected with the brightness induction chip and is connected with a display screen at a signal output end, and the acquired voltage output signal is converted into brightness data which can be displayed by the display screen.

Optionally, the optical lens and the central line of the light brightness sensing chip are on the same straight line and are installed in the same shell. The shell can be made of non-transparent materials, so that the light brightness sensing chip can obtain light refracted from the optical lens to the maximum extent.

Optionally, the housing is provided with an open end, the open end is connected with a hair contact cover, the hair contact cover includes a contact surface, the light source is disposed on the inner side of the hair contact cover and corresponds to the contact surface, and the optical lens is located between the light source and the light brightness sensing chip. So, only need to contact the contact surface of hair and hair contact patch, the light source sends the light of invariable luminance to the hair along the contact surface, and the light that returns through the hair surface transmission jets through the opening end in the optical lens mirror surface, and the optical lens of being convenient for receives the light that waits to detect the hair surface reflection and return to the realization is prepared the test to human hair luminance, and this structural design is ingenious reasonable.

Optionally, the lighting system further includes a micro battery pack and an annular circuit board connected to the micro battery pack, the micro battery pack is fixed to the outer side wall of the hair contact cover, and the annular circuit board is embedded in the open end of the housing. The micro battery pack can be conveniently fixed on the outer side wall of the hair contact cover by using a button type battery box, and a micro toggle switch is arranged on the button type battery box and used for controlling a power supply to supply power for the annular circuit and the light source; the annular circuit board is located between power and the optical lens, for the design power position of being convenient for, can be embedded in the open end of casing with the annular circuit board, need not additionally to design mounting structure at hair contact cover inside wall, and this structural design is simple reasonable.

Optionally, the light source comprises at least three L ED lamps, the L ED lamps are uniformly arranged along the annular circuit board at equal angles, and each L ED lamp corresponds to the contact surface respectively.

Optionally, the axial cross section of the side wall of the hair contact cover is arc-shaped, and the hair contact cover is made of a non-transparent material. The design of arc form hair contact housing can enlarge and wait to detect the contact surface of hair and provide more sufficient irradiation space for the light source to in carry out accurate test to hair luminance, the material of hair contact housing adopts non-transparent material simultaneously, can effectively prevent outside light interference, and then tests first luminous luminance through the invariable light source that provides, with the accuracy that further improves and test hair luminance.

Optionally, the optical lens is an aspheric optical lens. The aspheric optical lens can eliminate spherical aberration to the maximum extent, and light reflected to the aspheric optical lens from the surface of the hair to be detected is converged and refracted to the light brightness sensing chip so as to provide better optical quality, so that the light brightness sensing chip obtains more accurate light sensing signals for detection, and more accurate detection data is obtained.

Optionally, the device further comprises a handle, and the handle is perpendicularly connected with the shell. This technical scheme places the casing in with lighting system and detection module in with the handle, constitutes the hair luminance detector of hand-held type integrated design, not only can be convenient for do not harm the real-time convenient on the basis of hair and detect hair, has light handy characteristics moreover, and the practicality is good.

Optionally, a charging device and/or a battery pack are arranged in the handle, and a switch button for controlling the charging device and/or the battery pack to be electrically connected with the main circuit board is further arranged on the outer side wall of the handle. Specifically, the charging device and/or the battery pack are/is positioned on the inner side of the handheld part of the handle, so that the battery can be charged or replaced conveniently, and the stability of the handheld light-emitting brightness detector can be kept; the switch key is arranged above the handle holding part, so that the switch key is connected with the main circuit board conveniently, and the detector is convenient to operate in a holding way.

Optionally, the display screen is located above the handle grip. The detection result can be observed in real time conveniently, the hair quality grade can be determined, and the head luminous brightness can be detected simply and quickly.

As described above, the present invention has at least the following advantages:

1. the utility model discloses be equipped with lighting system, have the light source of invariable luminance, shine the reverberation of sending the difference to the hair of different luminance through the light source of invariable luminance, and then detect the luminance data that the transmission light on hair surface can obtain the hair, confirm hair quality grade, do not receive external condition's restriction, be adapted to different occasion places and carry out the detection of hair luminance, easy operation.

2. The utility model discloses be equipped with optical lens and luminance response core, optical lens is located between light source and the luminance response chip and optical lens and luminance response chip's central line is on same straight line, the luminance response chip furthest of can being convenient for obtains the light of refracting out from optical lens, and optical lens adopts aspheric surface optical lens, can provide better optical quality for spherical optical lens, so that luminance response chip obtains more accurate light sensing signal and detects, thereby obtain more accurate detected data.

3. The utility model discloses be equipped with the main circuit board of being connected with luminance induction core and the display screen of being connected with main circuit board, main circuit board can become the luminance data that can supply the display screen to show with the voltage signal conversion of luminance induction chip output, and the top of the handheld portion of handle is located to the display screen, and the hair luminance data of the real-time observation detection of being convenient for confirms hair quality grade, and the practicality is good.

4. The utility model discloses be equipped with the hair contact cover of making by non-transparent material, can effectively prevent external light interference, and three L ED lamp evenly distributed can provide even invariable irradiation intensity for the hair in the hair contact cover inboard to and the design of arc form hair contact cover can provide more sufficient space of shining for the light source, can be favorable to improving the accuracy of hair luminance test, and this structural design is ingenious reasonable.

5. The utility model discloses with lighting system and detection module integration in casing and handle, constitute the hair luminance detector of hand-held type integrated design, can detect hair on the basis of not damaging the hair real-timely, small has light portable characteristics, and the practicality is good.

Drawings

Fig. 1 is a schematic view of a hair lightness detector provided by the present invention;

FIG. 2 is a side view of FIG. 1;

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

The reference numbers in the drawings of the specification include 10-shell, 11-open end, 20-lighting system, 21-L ED lamp, 22-annular circuit board, 23-miniature battery pack, 30-optical lens, 40-light brightness sensing chip, 50-main circuit board, 60-display screen, 70-hair contact cover, 71-contact surface, 80-handle, 90-battery pack and 100-switch button.

Example 1

The embodiment is basically as shown in fig. 1 and fig. 2: the embodiment provides a hair brightness detector, which comprises an illumination system 20, an optical lens 30, a brightness sensing chip 40 and a main circuit board 50; the lighting system 20 comprises a light source with constant brightness, which corresponds to the hair to be detected, so as to irradiate constant light on the hair; the optical lens 30 is specifically an aspheric optical lens 30, and the aspheric optical lens 30 is used for receiving light reflected by the surface of the hair to be detected; the brightness sensing chip 40 may specifically select a photo resistor or a photo cell in the prior art as a light-to-electric signal conversion element, and the brightness sensing chip 40 is configured to sense light refracted by the optical lens 30, convert the collected light-sensing signal, and obtain a corresponding voltage signal; the main circuit board 50 is connected with the brightness sensing chip 40 and is connected with a display screen 60 at a signal output end, the obtained voltage output signal is converted into brightness data which can be displayed by the display screen 60, the specific circuit connection mode and the signal conversion mode of the brightness sensing chip 40, the main circuit board 50 and the display screen 60 are the prior art, for example, the patent with the prior patent authorization publication No. CN102999180B discloses a scanning pen, which comprises a main circuit board, a digital signal processor is arranged on the main circuit board and is used for processing digital signals which are received by a photoelectric receiving device and processed by a circuit, and a data interface is also arranged on the main circuit board and is used for transmitting images to an external computer or other storage display equipment; the optical lens 30 and the light brightness sensing chip 40 are mounted in the same housing 10.

In order to prevent external light interference and internal light refraction, the shell 10 is made of a non-transparent material or a layer of anti-transmission film is arranged on the inner side of the shell 10, and the non-transparent material can be black plastic, brown organic glass or stainless steel, so that the light brightness sensing chip 40 can obtain the light refracted from the optical lens 30 to the maximum extent; specifically, the left end of the shell 10 is provided with an opening end 11, the right end of the shell 10 is provided with a cavity with a cylindrical inner cavity, the inner diameter of the shell 10 from the opening end 11 to the side wall of the cylindrical cavity is gradually increased, the light brightness sensing chip 40 is located in the cylindrical cavity, the optical lens 30 is fixedly installed on the left side of the cylindrical cavity of the shell 10, and the central lines of the optical lens 30 and the light brightness sensing chip 40 are on the same straight line; the open end 11 of the casing 10 is connected with a hair contact cover 70, the hair contact cover 70 is fixedly connected with the outer side wall of the open end 11 of the casing 10, the hair contact cover 70 is in threaded fit with the outer side wall of the open end 11 of the casing in the embodiment, and other fixing modes can be adopted, which is not described in detail in the disclosure.

So, the right-hand member of hair contact housing 70 and the open end 11 fixed connection of casing 10, hair contact housing 70 left end open face is contact surface 71, the inboard of hair contact housing 70 and corresponding to contact surface 71 are located to the light source, optical lens 30 is located between light source and the luminance response chip 40, only need to contact hair and hair contact housing 70's contact surface 71, the light of constant luminance is sent out to the hair along contact surface 71 to the light source, and the light that sends back through the hair surface is penetrated in optical lens 30 mirror surface through open end 11, be convenient for optical lens 30 receives the light of waiting to detect the hair surface reflection, thereby realize preparing the test to human hair luminance, this structural design is ingenious reasonable.

The lighting system 20 further comprises a micro battery pack 23 and a ring-shaped circuit board 22 connected with the micro battery pack 23, the micro battery pack 23 provided by the embodiment is specifically a button-type battery box, the button-type battery box is fixed on the outer side wall of the hair contact cover 70, a micro toggle switch is arranged on the button-type battery box and used for controlling the micro battery pack 23 to supply power to the ring-shaped circuit board 22 and the L ED lamps 21, the fixing mode can be selected to be in threaded connection, a power line of the button-type battery box is connected with the ring-shaped circuit board 22 through small holes formed in the hair contact cover 70, the ring-shaped circuit board 22 is embedded in the opening end 11 of the shell 10 and corresponds to the contact surface 71, the power supply is convenient to install, an installation structure does not need to be additionally designed on the inner side wall of the hair contact cover 70, the structure is simple and reasonable in design, specifically, the power supply comprises at least three L ED lamps 21, the L ED lamps 21 are in a wavelength range of 200NM-800NM, the embodiment takes the three L ED lamps 21 as an example, the three L ED lamps 21 are uniformly arranged along.

In addition, the axial cross section of the side wall of the hair contact cover 70 is arc-shaped, and the hair contact cover 70 is made of a non-transparent material, and the non-transparent material can be black plastic, brown organic glass or stainless steel; the design of arc form hair contact housing 70 can enlarge and wait to detect the contact surface 71 of hair and for the light source provides more sufficient irradiation space to in carry out accurate test to hair luminance, meanwhile the material of hair contact housing 70 adopts non-transparent material, can effectively prevent outside light interference, and then tests first luminous luminance through the invariable light source that provides, in order further to improve the accuracy of testing hair luminance.

The specific implementation manner of the embodiment is that the hair brightness detector can be held by hand to rapidly detect the hair brightness, firstly, the power supply of the button-type battery box in the lighting system 20 is turned on, the contact surface 71 of the hair contact cover 70 is close to the hair of a human body, the three L ED lamps 21 emit constant and uniform visible light wave bands corresponding to the hair of the contact surface 71, light emitted back through the surface of the hair is emitted to the aspheric optical lens 30 through the opening end 11, further, the aspheric optical lens 30 collects and refracts the light reflected by the surface of the hair to be detected to the brightness sensing chip 40, so that the brightness sensing chip 40 obtains more accurate light sensing signals for detection, and finally, the main circuit board 50 converts the voltage signals output by the brightness sensing chip 40 into digital voltage signals and displays the digital voltage signals through the display screen 60, so that the hair brightness reflection data (L UX lumens) can be obtained conveniently and rapidly, the operation is.

Example 2

Example 2 is substantially the same as example 1 except that: please refer to fig. 1 and fig. 2, the detector provided in this embodiment further includes a handle 80, the handle 80 is vertically and fixedly connected to the right end of the housing 10, the fixing manner may be a threaded connection or an interference fit, and the specific fixing manner may be selected from the prior art, which is not described in detail in this disclosure; in this embodiment locates handle 80 with main circuit board 50, install display screen 60 on handle 80, constitute the hair luminance detector of hand-held type integrated design, not only can be convenient for detect real-time convenient hair on the basis of not damaging the hair, small moreover, have light handy portable characteristics, the practicality is good.

Specifically, a charging device and/or a battery pack 90 are provided in the handle 80, and the battery pack 90 is preferably provided in this embodiment, and the battery pack 90 is provided inside the handheld portion at the lower end of the handle 80, so that the battery can be replaced conveniently and the stability of the handheld light-emitting brightness detector can be maintained; the switch button 100 for controlling the battery pack 90 to be electrically connected with the main circuit board 50 is further installed on the outer side wall of the handle 80, and the switch button 100 is arranged above the handheld portion of the handle 80, so that the switch button 100 is conveniently connected with the main circuit board 50, and the detector can be conveniently operated by hand.

In order to facilitate the real-time observation of the detection result, the display screen 60 is positioned above the handheld part of the handle 80, and can obtain the hair brightness data in time after detection to determine the hair quality grade, so that the hair brightness detection device can be free from the limitation of external conditions and is suitable for hair brightness detection in different places; also can be on the basis of not damaging the hair real-timely detect hair, realize simple swift first luminous luminance that detects, have better practicality.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. Hair luminance detector, its characterized in that: comprises that

the light brightness sensing chip is used for sensing the light refracted by the optical lens and carrying out photoelectric conversion processing on the collected light sensing signals;

2. The hair lightness detector according to claim 1, wherein: the center lines of the optical lens and the light brightness sensing chip are on the same straight line and are arranged in the same shell.

3. The hair lightness detector according to claim 2, wherein: the shell is provided with an opening end, the opening end is connected with a hair contact cover, the hair contact cover comprises a contact surface, the light source is arranged on the inner side of the hair contact cover and corresponds to the contact surface, and the optical lens is positioned between the light source and the brightness induction chip.

4. A hair lightness detection instrument according to claim 3, wherein: the lighting system further comprises a miniature battery pack and an annular circuit board connected with the miniature battery pack, the miniature battery pack is fixed on the outer side wall of the hair contact cover, and the annular circuit board is embedded in the opening end of the shell.

5. The hair lightness detector according to claim 4, wherein the light source includes at least three L ED lamps, the L ED lamps are uniformly arranged along the annular circuit board at equal angles, and each L ED lamp corresponds to the contact surface.

6. A hair lightness detection instrument according to claim 3, wherein: the lateral wall axial cross-section of hair contact cover is the arc form, and the material of hair contact cover is non-transparent material.

7. The hair lightness detector according to claim 1, wherein: the optical lens is an aspheric optical lens.

8. The hair lightness detection instrument according to any one of claims 2 to 6, wherein: the handle is vertically connected with the shell.

9. The hair lightness detector according to claim 8, wherein: the main circuit board is arranged on the inner side of the handle, a charging device and/or a battery pack are arranged in the handle, and a switch key used for controlling the charging device and/or the battery pack to be electrically connected with the main circuit board is further arranged on the outer side wall of the handle.

10. The hair lightness detector according to claim 8, wherein: the display screen is positioned above the handle holding part.