CN208937501U - The high-effect built-in Faecal occult blood detection device of closestool - Google Patents
The high-effect built-in Faecal occult blood detection device of closestool Download PDFInfo
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- CN208937501U CN208937501U CN201821532995.6U CN201821532995U CN208937501U CN 208937501 U CN208937501 U CN 208937501U CN 201821532995 U CN201821532995 U CN 201821532995U CN 208937501 U CN208937501 U CN 208937501U
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Abstract
The utility model discloses a kind of high-effect built-in Faecal occult blood detection devices of closestool, including occult blood detection module；The utility model is used by light source, optical sensor, first microcontroller, DC-DC conversion module combines the occult blood detection module to be formed, the backlight directive optical sensor generated in the aqueous solution in closestool containing excreta by reflector plate is emitted directly toward by the light beam that light source launches specific wavelength, realize in excreta whether the detection function containing occult blood signal, both the intensity of backlight had been substantially increased, the scattering angle of backlight can be efficiently controlled again, and optical sensor more can effectively be allowed to receive and analysis occult blood signal, improve signal to noise ratio, greatly strengthen the accuracy of detection, improve detection effect and efficiency；And the device whole design is accurate, and structure is simple and compact, has efficient detection function and at low cost, suitable popularization and application.
Description
Technical field
The utility model relates to a kind of detection device more particularly to a kind of built-in Faecal occult blood detection dresses of high-effect closestool
It sets.
Background technique
According to National Cancer Institute, in the U.S., colorectal cancer number of the infected accounts for the 8% of overall pathogenesis of cancer number, occurs
Rate occupies the 4th, and the death rate occupies second.In China, colorectal cancer number of the infected accounts for the whole world 18.6%, death toll Zhan Quanshi
Boundary 20.1%, two rank first in the world.Therefore, the prevention and treatment for carrying out colorectal cancer in China, has world significance.
The initial stage symptom of cancer of colon is fecal occult blood, and the initial stage symptom of bladder cancer and carcinoma of ureter is urine occult blood,
Therefore, detection Faecal occult blood becomes one of the important key technology of disease prevention.Existing occult blood detection method is using immune
The detection of method occult blood, is primarily present following problems and disadvantages: first is that must voluntarily acquire an excrement specimen, then return hospital etc. and is to be tested
As a result, losing quick and convenience, unnecessary trouble is brought to detection；Second is that about 1 gram is only acquired when an acquisition excrement specimen,
It having arrived after hospital, hospital, which is used only wherein, only to test for about 6 milligrams, since occult blood is in excrement and non-uniform Distribution,
It is easy to generate under-referral because occult blood is not acquired in checkout procedure, reduces detection efficiency, and detection effect is poor；Three
Tumour or polyp sheet as intermittent bleeding episodes, not continuous bleeding, it is also possible on the day of an acquisition excrement specimen or
There is no bleedings for the previous day, tumour or polyp, and causing inspection result is under-referral, reduces detection efficiency, and detect effect
Fruit is poor.In addition, notification number is CN104254621A, Chinese utility model patent disclosed on December 31st, 2014 discloses
A kind of device and method of telemetering human faecal mass and the blood in urine, the device and method are primarily present following problem: on the one hand,
Fluorescer and oxidant must be added in closestool, combined with the blood generation in excrement or urine, and an exciting light is provided and is gone
Irradiation determines whether fluorescence generation；On the other hand, the method is for the general common people, using above needing to increase additional step, and
Chemical substance consumptive material can be generated, it is inconvenient to use.
It therefore, can be in not application the utility model proposes a kind of high-effect built-in Faecal occult blood detection device of closestool
Learn consumptive material in the case where, by detection occult blood signal realize to excreta whether the detection containing occult blood.
Utility model content
The technical issues of the utility model solves is to overcome the deficiencies of existing technologies, and backlight can be passed through by providing one kind
Excreta aqueous solution can be gone out by penetrating light detection again, and whether the built-in Faecal occult blood of the high-effect closestool containing occult blood signal is examined
Survey device.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals:
The high-effect built-in Faecal occult blood detection device of closestool, including being for detecting in the excreta aqueous solution in closestool
The no occult blood detection module containing occult blood signal, occult blood detection module are electrically connected with intelligent water toilet pan；It dives using closestool is built-in
Blood detection module, realize in excreta whether the detection function containing occult blood signal.
Preferably, further including the specific wavelength light beam production for launching to excreta aqueous solution occult blood detection module
The reflector plate of raw backlight, reflector plate are oppositely arranged with occult blood detection module, and reflector plate is embedded in closestool ceramic surface.This is practical
The reflector plate reflectivity with higher of new patent setting, had not only substantially increased the intensity of backlight, but also can efficiently control
The scattering angle of backlight, and more can effectively allow optical sensor to receive and analyze occult blood signal, signal to noise ratio is improved, significantly
The accuracy of detection is enhanced, detection effect and efficiency are improved；Reflector plate is embedded in the setting of closestool ceramic surface, avoids dirty
Dirt is attached on reflector plate, and can improve the reflection panel region resists dirty effect, enhances the efficiency of backlight.
Preferably, reflector plate reflection angular range be 15-60 degree, reflection angle range 15-60 degree reflector plate,
When light beam directive reflector plate, the backlight of reflectivity with higher can be generated and relatively accurately control backlight
Scattering angle.
Preferably, occult blood detection module is built in inside closestool and opposite with the water seal position of closestool, occult blood detection mould
Block is located at water seal surface or water seal lower face.By the way that occult blood detection module is set to water seal surface or water seal table
Below face, so that occult blood detection module can issue detection light from the top down, detection light can be also issued from bottom to top.
Preferably, reflector plate is located at water seal lower face.In the utility model patent, when occult blood detection module is located at water
When sealing surface, reflector plate is located at water seal lower face, and occult blood detection module projects detection light from the top down, and detection light is injected
In excreta aqueous solution, excreta aqueous solution itself can generate certain backlight to detection light, while it is water-soluble to inject excreta
The part light emission of liquid makes reflector plate generate the backlight with high reflectance to reflector plate, and above-mentioned backlight is penetrated from bottom to top
To occult blood detection module, occult blood detection module receives backlight and is detected；When occult blood detection module is located at water seal surface
When lower section, reflector plate is defined in the ceramics of the closestool at the position of water seal lower face, and reflector plate may be alternatively provided at positioned at water
In the closestool ceramics sealed at the position of surface or reflector plate can also be provided at the pottery of the closestool at water seal surface location
In porcelain, then: occult blood detection module projects detection light from bottom to top, and detection light is injected from bottom to top by excreta aqueous solution and penetrated
To reflector plate, excreta aqueous solution itself can generate certain backlight to detection light, while inject the portion of excreta aqueous solution
Light splitting directive reflector plate makes reflector plate generate the backlight with high reflectance, above-mentioned backlight directive occult blood from the top down
Detection module, occult blood detection module receive backlight and are detected.
Preferably, occult blood detection module includes launching specific wavelength light beam for the excreta aqueous solution into closestool
Light source, the optical sensor for receiving the backlight that excreta aqueous solution reflects, for backlight carry out occult blood letter
First microcontroller of number detection, the first microcontroller connect with light source, optical sensor respectively, and reflector plate is opposite with light source to be set
It sets.Excreta aqueous solution of the light source into closestool launches specific wavelength light beam, and light beam is injected in excreta aqueous solution, excreta
Aqueous solution itself can generate certain backlight to light beam, while the part light emission for injecting excreta aqueous solution makes to reflector plate
Reflector plate generates the backlight with high reflectance, the backlight of above-mentioned generation directive optical sensor from bottom to top, optics
Sensor receives backlight；Wherein, light source is LED light source or laser；If light source is the laser for launching 407nm wavelength light beam
The range of diode, driving current is set as 20-140mA, when detect concentration expressed in percentage by weight be 0.4% excreta aqueous solution
Fluorescent signal and fluorescence spectrum peak value when being about 620nm, detection obtains occult blood signal, thus realize in excreta whether
Detection function containing occult blood signal；If light source is the laser diode for launching 407nm wavelength light beam, driving current setting
For fixed current value 20mA, when the fluorescence news that the range for detecting concentration expressed in percentage by weight is the excreta aqueous solution of 0.01-0.4%
Number and fluorescence spectrum peak value when being about 620nm, detection obtains occult blood signal, thus realize in excreta whether containing latent
The detection function of blood signal；The basic testing principle of the utility model is to measure Blood fluorescence, certainly actually should be not only
It is defined in Blood fluorescence, but the absorption for measuring the general spectrum of blood, reflection all may be used containing the spectral characteristics such as scattering and Raman
Foundation as detection excreta aqueous solution occult blood；It is latent using being formed by light source, optical sensor, the first microcontroller combination
Blood detection module generates in the excreta aqueous solution being emitted directly toward in closestool by the light beam that light source launches specific wavelength anti-
To light emission to optical sensor, realize in excreta whether the detection function containing occult blood signal.
Preferably, intelligent water toilet pan and occult blood detection module are powered by external power supply；Occult blood detection module further include with
The DC-DC conversion module of intelligent water toilet pan electrical connection, DC-DC conversion module respectively with light source, optical sensor, the
The connection of one microcontroller；Intelligent water toilet pan connects equipped with AC-DC conversion module, the second microcontroller, operation interface, display
Mouthful, the second microcontroller is connect with AC-DC conversion module, operation interface, display interface respectively, AC-DC modulus of conversion
Block is connect with external power supply, DC-DC conversion module respectively, and operation interface is connected with key switch, and display interface is connected with
Display device.
Preferably, the ceramic surface of closestool is equipped with the hole penetrated for light, light source, optical sensor, reflector plate are embedded
In hole；The first optical fiber that shape is in Y-shaped is equipped between light source and optical sensor, the first fiber deployment is in ceramics, and the
One optical fiber is equipped with the first optical fiber light-emitting window, and the first optical fiber light-emitting window is located at the exit in hole, the first optical fiber light-emitting window and reflector plate
It is oppositely arranged.By the first optical fiber being arranged between light source and optical sensor, substantially increase light beam light source, excreta,
Transmission speed and efficiency between optical sensor, to substantially increase detection speed and efficiency.
Preferably, the ceramic surface of closestool is equipped with the hole penetrated for light, light source, optical sensor are embedded in hole；
Light source is equipped with the second optical fiber, and optical sensor is equipped with third optical fiber, and the second optical fiber and third optical fiber are separately positioned side by side；Second light
Fibre is equipped with the second optical fiber light-emitting window, and third optical fiber is equipped with third optical fiber light inlet, and the second optical fiber light-emitting window and third optical fiber enter light
Mouth is respectively provided at the exit in corresponding hole, and the second optical fiber light-emitting window, third optical fiber light inlet are oppositely arranged with reflector plate.It is logical
The second optical fiber and third optical fiber being arranged between light source and optical sensor are crossed, substantially increases light beam in light source, excreta, light
The transmission speed and efficiency between sensor are learned, to substantially increase detection speed and efficiency.
In the utility model, if occult blood detection module is located at water seal surface, when light source, optical sensor, light source with
Not set first optical fiber or when the second optical fiber or third optical fiber between optical sensor, the light beam for the specific wavelength that light source projects
Through hole projects and from the top down in the excreta aqueous solution in directive closestool, and light beam is injected excreta aqueous solution and generated reversely
Light, backlight through hole directive optical sensor, optical sensor receive backlight and are transmitted to the backlight received
First microcontroller；When first optical fiber of the shape in Y-shaped is arranged between light source and optical sensor, light source is projected specific
The light beam of wavelength is through the first optical fiber light-emitting window and through hole projects and from the top down in the excreta aqueous solution in directive closestool,
Light beam injects excreta aqueous solution and generates backlight, and backlight through hole simultaneously injects optical sensing through the first optical fiber light-emitting window
Device, optical sensor receive backlight and the backlight received are transmitted to the first microcontroller；When light source is equipped with second
When optical fiber, optical sensor are equipped with third optical fiber and the second optical fiber and third optical fiber separately positioned side by side, light source is projected specific
The light beam of wavelength is through the second optical fiber light-emitting window and through hole projects and from the top down in the excreta aqueous solution in directive closestool,
Light beam injects excreta aqueous solution and generates backlight, and backlight through hole simultaneously injects optical sensing through third optical fiber light inlet
Device, optical sensor receive backlight and the backlight received are transmitted to the first microcontroller；If occult blood detection module
Positioned at water seal lower face, when the first optical fiber not set between light source, optical sensor, light source and optical sensor or second
When optical fiber or third optical fiber, the light beam through hole for the specific wavelength that light source projects projects and the excretion in directive closestool from bottom to top
In object aqueous solution, light beam injects excreta aqueous solution and generates backlight, backlight through hole directive optical sensor, optical sensing
Device receives backlight and the backlight received is transmitted to the first microcontroller；When being arranged between light source and optical sensor
When shape is in the first optical fiber of Y-shaped, the light beam for the specific wavelength that light source projects is through the first optical fiber light-emitting window and through hole is penetrated
Out and from bottom to top in the excreta aqueous solution in directive closestool, light beam injects excreta aqueous solution and generates backlight, backlight
Through hole simultaneously injects optical sensor through the first optical fiber light-emitting window, and optical sensor receives backlight and anti-by what is received
To optical transport to the first microcontroller；When light source is equipped with the second optical fiber, optical sensor be equipped with third optical fiber and the second optical fiber with
When third optical fiber is separately positioned side by side, the light beam for the specific wavelength that light source projects is through the second optical fiber light-emitting window and through hole projects
And from bottom to top in the excreta aqueous solution in directive closestool, light beam injects excreta aqueous solution and generates backlight, and backlight is logical
Via hole simultaneously injects optical sensor through third optical fiber light inlet, and optical sensor receives backlight and reversed by what is received
Optical transport is to the first microcontroller.
The basic testing principle of the built-in Faecal occult blood detection device of the high-effect closestool of the utility model patent and main
Operational process following steps:
Step 1: opening key switch, connects external power supply, starts intelligent water toilet pan, starts to detect；
Step 2: the second microcontroller sends out trigger signal to occult blood detection module；
Step 3: occult blood detection module receives the trigger signal sent from the second microcontroller；
Step 4: trigger signal elder generation activating light source, light source launch the light beam of specific wavelength again, and light beam is injected in closestool again
Excreta aqueous solution in and generate backlight, then backlight injects optical sensor, and optical sensor receives backlight
And the backlight received is transmitted to the first microcontroller；Wherein, light source is LED light source or laser；If light source is to launch
The range of the laser diode of 407nm wavelength light beam, driving current is set as 20-140mA, when detecting that concentration expressed in percentage by weight is
When the fluorescent signal and fluorescence spectrum peak value of 0.4% excreta aqueous solution are about 620nm, detection obtains occult blood signal, thus
Realize in excreta whether the detection function containing occult blood signal；If light source is the laser for launching 407nm wavelength light beam
Diode, driving current are set as fixed current value 20mA, when the range for detecting concentration expressed in percentage by weight is 0.01-0.4%'s
When the fluorescent signal and fluorescence spectrum peak value of excreta aqueous solution are about 620nm, detection obtains occult blood signal, to realize pair
In excreta whether the detection function containing occult blood signal；The basic testing principle of the utility model is to measure Blood fluorescence, when
So actually should not only be defined in Blood fluorescence, but the absorption for measuring the general spectrum of blood, reflection containing scattering with
The spectral characteristics such as Raman all can be used as the foundation of detection excreta aqueous solution occult blood；
Step 5: the first microcontroller first carries out signal to the optical signal of backlight and is converted into electric signal, then by electric signal
It is converted into digital signal, then data processing is carried out to digital signal, then whether judge in excreta containing latent according to data processing
Blood signal simultaneously obtains testing result, then will test result and is sent to intelligent water toilet pan；
If occult blood detection module is located at water seal surface, when between light source, optical sensor, light source and optical sensor
When not set first optical fiber or the second optical fiber or third optical fiber, light source project specific wavelength light beam through hole project and from
On downwardly toward in the excreta aqueous solution in closestool, light beam injects excreta aqueous solution and generates backlight, backlight through hole
Directive optical sensor, optical sensor receive backlight and the backlight received are transmitted to the first microcontroller；When
When first optical fiber of the shape in Y font being arranged between light source and optical sensor, the light beam for the specific wavelength that light source projects is penetrated
First optical fiber light-emitting window and through hole project and from the top down in the excreta aqueous solutions in directive closestool, light beam injection excreta
Aqueous solution generates backlight, and backlight through hole simultaneously injects optical sensor through the first optical fiber light-emitting window, and optical sensor connects
It receives backlight and the backlight received is transmitted to the first microcontroller；When light source is equipped with the second optical fiber, optical sensor
Equipped with third optical fiber and when the second optical fiber and third optical fiber are separately positioned side by side, the light beam of the specific wavelength that light source projects is through the
Two optical fiber light-emitting windows and through hole project and from the top down in the excreta aqueous solutions in directive closestool, light beam injection excreta water
Solution generates backlight, and backlight through hole simultaneously injects optical sensor through third optical fiber light inlet, and optical sensor receives
The first microcontroller is transmitted to backlight and by the backlight received；If occult blood detection module is located at water seal lower face,
When the first optical fiber not set between light source, optical sensor, light source and optical sensor or the second optical fiber or third optical fiber,
The light beam through hole for the specific wavelength that light source projects projects and from bottom to top in the excreta aqueous solution in directive closestool, and light beam is penetrated
Enter excreta aqueous solution and generate backlight, backlight through hole directive optical sensor, optical sensor receives backlight simultaneously
The backlight received is transmitted to the first microcontroller；When shape is arranged between light source and optical sensor in the of Y-shaped
When one optical fiber, the light beam for the specific wavelength that light source projects is through the first optical fiber light-emitting window and through hole projects and directive from bottom to top
In excreta aqueous solution in closestool, light beam injects excreta aqueous solution and generates backlight, and backlight through hole simultaneously penetrates first
Optical fiber light-emitting window injects optical sensor, and optical sensor receives backlight and that the backlight received is transmitted to first is micro-
Controller；When light source is equipped with the second optical fiber, optical sensor is equipped with third optical fiber and the second optical fiber separates side by side with third optical fiber
When setting, the light beam for the specific wavelength that light source projects is through the second optical fiber light-emitting window and through hole projects and directive horse from bottom to top
In excreta aqueous solution in bucket, light beam injects excreta aqueous solution and generates backlight, and backlight through hole simultaneously penetrates third light
Fine light inlet injects optical sensor, and optical sensor receives backlight and the backlight received is transmitted to the first micro-control
Device processed；
Step 6: the second microcontroller receives testing result signal and will test consequential signal and sent by display interface
To display device, display device will test to be come out as the result is shown, to terminate to detect.
The utility model has significant technical effect: passing using by light source, optics due to using above technical scheme
Sensor, the first microcontroller, DC-DC conversion module combine the occult blood detection module to be formed, and are launched by light source specific
The light beam of wavelength is emitted directly toward in closestool in the aqueous solution containing excreta and passes by the backlight directive optics that reflector plate generates
Sensor, realize in excreta whether the detection function containing occult blood signal, not only substantially increased the intensity of backlight, but also energy
The scattering angle of backlight is efficiently controlled, and optical sensor more can effectively be allowed to receive and analysis occult blood signal, raising
Signal to noise ratio greatly strengthens the accuracy of detection, improves detection effect and efficiency；And the device whole design is accurate, knot
Structure is simple and compact, has efficient detection function and at low cost, suitable popularization and application.
Detailed description of the invention
Fig. 1 is the basic schematic diagram of the built-in Faecal occult blood detection device embodiment of high-effect closestool of the utility model.
Fig. 2 be the external power supply of the utility model, intelligent water toilet pan, occult blood detection module embodiment control function frame
Figure.
Fig. 3 is the control flow chart of the occult blood detection module embodiment of the utility model.
Fig. 4 is the reality matched positioned at the occult blood detection module of water seal surface with intelligent water toilet pan of the utility model
Apply the structural schematic diagram of example.
Fig. 5 is the reality matched positioned at the occult blood detection module of water seal lower face with intelligent water toilet pan of the utility model
Apply the structural schematic diagram of example.
Fig. 6 be occult blood detection module in the utility model, excreta aqueous solution, between reflector plate embodiment principle frame
Figure.
Fig. 7 be the utility model shape in Y-shaped the first optical fiber embodiment structural schematic diagram.
Fig. 8 is the structural schematic diagram for the embodiment that second optical fiber of the utility model is matched with third optical fiber.
Fig. 9 is that detection obtains the spectrogram of occult blood signal and the spectrogram for not detecting occult blood signal in the utility model
Comparative diagram；Wherein, solid line is that detection obtains the amount of spectrum mapping of occult blood signal, and dotted line is not detect that the spectrum of occult blood signal shows
It is intended to.
Figure 10 is the comparative diagram for the spectrogram that detection obtains occult blood signal in the utility model；Wherein, solid line is to detect
To the amount of spectrum mapping of occult blood signal, dotted line is the spectral schematic for not detecting occult blood signal.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
Embodiment 1:
The high-effect built-in Faecal occult blood detection device of closestool, as shown in figures 1 to 6, including for detecting the row in closestool 5
Let out in object aqueous solution 1 whether the occult blood detection module 2 containing occult blood signal, occult blood detection module 2 is electrically connected with intelligent water toilet pan 3
It connects.
It further include the special wavelength light for launching to excreta aqueous solution 1 occult blood detection module 2 in the present embodiment
Beam generates the reflector plate 6 of backlight, and reflector plate 6 is oppositely arranged with occult blood detection module 2, and reflector plate 6 is embedded in 5 ceramic watch of closestool
Face.
In the present embodiment, the angular range that reflector plate 6 reflects is 15-60 degree.
In the present embodiment, occult blood detection module 2 is built in 5 inside of closestool and, occult blood opposite with 11 position of the water seal of closestool 5
Detection module 2 is located at 11 lower face of 11 surface of water seal or water seal.Wherein, when occult blood detection module is located on water seal surface
As shown in figure 4, occult blood detection module projects detection light from the top down at this point, reflector plate 6 is located at 11 lower face of water seal when square,
Detection light is injected in excreta aqueous solution, and excreta aqueous solution itself can generate certain backlight to detection light, inject simultaneously
The part light emission of excreta aqueous solution makes reflector plate generate the backlight with high reflectance, above-mentioned backlight to reflector plate
Directive occult blood detection module from bottom to top, occult blood detection module receive backlight and are detected；When occult blood detection module position
As shown in figure 5, at this point, the closestool at the position that reflector plate is defined at water seal lower face is ceramic when water seal lower face
In, in the closestool ceramics that reflector plate may be alternatively provided at the position positioned at water seal surface or reflector plate can also be located at position
In closestool ceramics at water seal surface location, reflector plate and occult blood detection module is only needed to be oppositely arranged, then: occult blood detection
Module projects detection light from bottom to top, and detection light is injected from bottom to top by excreta aqueous solution and directive reflector plate, excreta
Aqueous solution itself can generate certain backlight to detection light, while the part light emission for injecting excreta aqueous solution makes to reflector plate
It obtains reflector plate and generates the backlight with high reflectance, above-mentioned backlight from the top down examine by directive occult blood detection module, occult blood
Module is surveyed to receive backlight and detected.
In the present embodiment, occult blood detection module 2 includes launching certain wave for the excreta aqueous solution 1 into closestool 5
The light source 21 of long light beam, is used for backlight the optical sensor 22 for receiving the backlight that excreta aqueous solution 1 reflects
The first microcontroller 23 of occult blood signal detection is carried out, the first microcontroller 23 connects with light source 21, optical sensor 22 respectively
It connects, reflector plate 6 is oppositely arranged with light source 21.
In the present embodiment, intelligent water toilet pan 3 and occult blood detection module 2 are powered by external power supply 4；Occult blood detection module 2 is also
Including the DC-DC conversion module 24 being electrically connected with intelligent water toilet pan 3, DC-DC conversion module 24 respectively with light source 21,
Optical sensor 22, the connection of the first microcontroller 23.
In the present embodiment, intelligent water toilet pan 3 is equipped with AC-DC conversion module 32, the second microcontroller 31, operation interface
33, display interface 34, the second microcontroller 31 connect with AC-DC conversion module 32, operation interface 33, display interface 34 respectively
It connects, AC-DC conversion module 32 is connect with external power supply, direct current-DC conversion modules 24 respectively, and operation interface 33 connects
There is key switch, display interface 34 is connected with display device.
In the present embodiment, the ceramic surface of closestool 5 is equipped with the hole 50 penetrated for light, light source 21, optical sensor 22, reflection
Piece 6 is embedded in hole 50.
It is light source and not set first optical fiber of optical sensor, the second optical fiber, any in third optical fiber in the present embodiment
A kind of optical fiber.
The light source laser diode of the present embodiment, the following are two specific detection cases: if laser diode is launched
The range of 407nm wavelength light beam, driving current is set as 20-140mA, when detect concentration expressed in percentage by weight be 0.4% excretion
When the fluorescent signal and fluorescence spectrum peak value of object aqueous solution are about 620nm, detection obtains occult blood signal, to realize to excretion
In object whether the detection function containing occult blood signal, with comparative diagram that occult blood signal is not detected as shown in figure 9, Fig. 9 is this
If light source is to launch the laser diode of 407nm wavelength light beam and the range of driving current is set as 20- in utility model
140mA and when detect concentration expressed in percentage by weight be 0.4% excreta aqueous solution fluorescent signal and fluorescence spectrum peak value be about
When 620nm, detection obtains the comparative diagram of the spectrogram and the spectrogram for not detecting occult blood signal of occult blood signal；Wherein, solid line
The amount of spectrum mapping of occult blood signal is obtained for detection, dotted line is the spectral schematic for not detecting occult blood signal；If two pole of laser
Pipe launches 407nm wavelength light beam, and driving current is set as fixed current value 20mA, when the range for detecting concentration expressed in percentage by weight
When being about 620nm for the fluorescent signal and fluorescence spectrum peak value of the excreta aqueous solution of 0.01-0.4%, detection obtains occult blood letter
Number, thus realize in excreta whether the detection function containing occult blood signal, and compareing for occult blood signal is not detected
Figure is as shown in Figure 10, if Figure 10 is that light source is laser diode and the driving for launching 407nm wavelength light beam in the utility model
Electric current is set as fixed current value 20mA and works as to detect that the range of concentration expressed in percentage by weight is water-soluble for the excreta of 0.01-0.4%
When the fluorescent signal and fluorescence spectrum peak value of liquid are about 620nm, detection obtains the comparative diagram of the spectrogram of occult blood signal；Wherein,
Solid line is that detection obtains the amount of spectrum mapping of occult blood signal, and dotted line is the spectral schematic for not detecting occult blood signal.
The basic testing principle of the built-in Faecal occult blood detection device of the high-effect closestool of the utility model patent and main
Operational process following steps:
Step 1: opening key switch, connects external power supply, starts intelligent water toilet pan, starts to detect；
Step 2: the second microcontroller sends out trigger signal to occult blood detection module；
Step 3: occult blood detection module receives the trigger signal sent from the second microcontroller；
Step 4: trigger signal elder generation activating light source, light source launch the light beam of specific wavelength again, and light beam is injected in closestool again
Excreta aqueous solution in and generate backlight, then backlight injects optical sensor, and optical sensor receives backlight
And the backlight received is transmitted to the first microcontroller；Wherein, light source is LED light source or laser；If light source is to launch
The range of the laser diode of 407nm wavelength light beam, driving current is set as 20-140mA, when detecting that concentration expressed in percentage by weight is
When the fluorescent signal and fluorescence spectrum peak value of 0.4% excreta aqueous solution are about 620nm, detection obtains occult blood signal, thus
Realize in excreta whether the detection function containing occult blood signal；If light source is the laser for launching 407nm wavelength light beam
Diode, driving current are set as fixed current value 20mA, when the range for detecting concentration expressed in percentage by weight is 0.01-0.4%'s
When the fluorescent signal and fluorescence spectrum peak value of excreta aqueous solution are about 620nm, detection obtains occult blood signal, to realize pair
In excreta whether the detection function containing occult blood signal；The basic testing principle of the utility model is to measure Blood fluorescence, when
So actually should not only be defined in Blood fluorescence, but the absorption for measuring the general spectrum of blood, reflection containing scattering with
The spectral characteristics such as Raman all can be used as the foundation of detection excreta aqueous solution occult blood；
Step 5: the first microcontroller first carries out signal to the optical signal of backlight and is converted into electric signal, then by electric signal
It is converted into digital signal, then data processing is carried out to digital signal, then whether judge in excreta containing latent according to data processing
Blood signal simultaneously obtains testing result, then will test result and is sent to intelligent water toilet pan；
Wherein, due to the first optical fiber not set between light source, optical sensor, light source and optical sensor or the second light
The light beam through hole of fine or third optical fiber, the specific wavelength that light source projects projects and in the excreta aqueous solution in directive closestool,
Light beam injects excreta aqueous solution and generates backlight, backlight through hole directive optical sensor, and optical sensor receives instead
The first microcontroller is transmitted to light and by the backlight received；
Step 6: the second microcontroller receives testing result signal and will test consequential signal and sent by display interface
To display device, display device will test to be come out as the result is shown, to terminate to detect.
Embodiment 2:
The high-effect built-in Faecal occult blood detection device of closestool, as shown in Fig. 1-6,7, difference from Example 1 only exists
In:
The first optical fiber 7 that shape is in Y-shaped, the first light are equipped in the present embodiment, between light source 21 and optical sensor 22
Fibre 7 is laid in ceramics, and the first optical fiber 7 is equipped with the first optical fiber light-emitting window 70, and the first optical fiber light-emitting window 70 is located at the outlet in hole 50
Place, the first optical fiber light-emitting window 70 are oppositely arranged with reflector plate 6.
In the present embodiment, since the first optical fiber that shape is in Y-shaped being arranged between light source and optical sensor, light source is projected
Specific wavelength light beam is through the first optical fiber light-emitting window and through hole projects and in the excreta aqueous solution in directive closestool, light
Beam enters excreta aqueous solution and generates backlight, and backlight through hole simultaneously injects optical sensor through the first optical fiber light-emitting window,
Optical sensor receives backlight and the backlight received is transmitted to the first microcontroller.
Embodiment 3:
The high-effect built-in Faecal occult blood detection device of closestool, as shown in Fig. 1-6,8, only with the difference of embodiment 2
Be: light source 21 is equipped with the second optical fiber 8, and optical sensor 22 is equipped with third optical fiber 9, and the second optical fiber 8 divides side by side with third optical fiber 9
From setting；Second optical fiber 8 is equipped with the second optical fiber light-emitting window 80, and third optical fiber 9 is equipped with third optical fiber light inlet 90, and the second optical fiber goes out
Optical port 80 and third optical fiber light inlet 90 are respectively provided at the exit in corresponding hole 50, the second optical fiber light-emitting window 80, third optical fiber
Light inlet 90 is oppositely arranged with reflector plate 6.
In the present embodiment, since light source is equipped with the second optical fiber, optical sensor is equipped with third optical fiber and the second optical fiber and the
Three optical fiber are separately positioned side by side, and the light beam for the specific wavelength that light source projects is through the second optical fiber light-emitting window and through hole is projected and penetrated
In excreta aqueous solution into closestool, light beam injects excreta aqueous solution and generates backlight, backlight through hole and through the
Three optical fiber light inlets inject optical sensor, and optical sensor receives backlight and the backlight received is transmitted to first
Microcontroller.
In short, the above is only the preferred embodiment of the present invention, it is all according to present utility model application the scope of the patents institute
The equivalent changes and modifications of work should all belong to the covering scope of the utility model patent.
Claims (9)
1. the high-effect built-in Faecal occult blood detection device of closestool, it is characterised in that: including for detecting the excretion in closestool (5)
In object aqueous solution (1) whether the occult blood detection module (2) containing occult blood signal, occult blood detection module (2) and intelligent water toilet pan (3)
Electrical connection；Occult blood detection module (2) includes launching specific wavelength light beam for the excreta aqueous solution (1) into closestool (5)
Light source (21), the optical sensor (22) for receiving the backlight that excreta aqueous solution (1) reflects, for backlight
Carry out occult blood signal detection the first microcontroller (23), the first microcontroller (23) respectively with light source (21), optical sensor
(22) it connects, reflector plate (6) is oppositely arranged with light source (21).
2. the built-in Faecal occult blood detection device of high-effect closestool according to claim 1, it is characterised in that: further include using
The reflector plate of backlight is generated in the specific wavelength light beam launched to excreta aqueous solution (1) occult blood detection module (2)
(6), reflector plate (6) is oppositely arranged with occult blood detection module (2), and reflector plate (6) is embedded in closestool (5) ceramic surface.
3. the built-in Faecal occult blood detection device of high-effect closestool according to claim 2, it is characterised in that: reflector plate
(6) angular range reflected is 15-60 degree.
4. the built-in Faecal occult blood detection device of high-effect closestool according to claim 1 or 2 or 3, it is characterised in that: latent
Blood detection module (2) is built in closestool (5) inside and, occult blood detection module (2) position opposite with water seal (11) position of closestool (5)
In water seal (11) surface or water seal (11) lower face.
5. the built-in Faecal occult blood detection device of high-effect closestool according to claim 4, it is characterised in that: reflector plate
(6) it is located at water seal (11) lower face.
6. the high-effect built-in Faecal occult blood detection device of closestool, feature described according to claim 1 or 2 or 3 or 5 exist
In: intelligent water toilet pan (3) and occult blood detection module (2) are by external power supply (4) power supply；Occult blood detection module (2) further includes and intelligence
Can toilet (3) be electrically connected DC-DC conversion module (24), DC-DC conversion module (24) respectively with light source (21),
Optical sensor (22), the first microcontroller (23) connection；Intelligent water toilet pan (3) is equipped with AC-DC conversion module (32), the
Two microcontrollers (31), operation interface (33), display interface (34), the second microcontroller (31) are converted with AC-DC respectively
Module (32), operation interface (33), display interface (34) connection, AC-DC conversion module (32) respectively with external power supply, straight
Stream-DC conversion modules (24) connection, operation interface (33) are connected with key switch, and display interface (34) is connected with display dress
It sets.
7. the built-in Faecal occult blood detection device of high-effect closestool according to claim 6, it is characterised in that: closestool (5)
Ceramic surface be equipped with the hole (50) that penetrates for light, light source (21), optical sensor (22), reflector plate (6) are embedded in hole
(50) in.
8. the built-in Faecal occult blood detection device of high-effect closestool according to claim 7, it is characterised in that: light source (21)
The first optical fiber (7) that shape is in Y-shaped is equipped between optical sensor (22), the first optical fiber (7) is laid in ceramics, and first
Optical fiber (7) is equipped with the first optical fiber light-emitting window (70), and the first optical fiber light-emitting window (70) is located at the exit of hole (50), and the first optical fiber goes out
Optical port (70) is oppositely arranged with reflector plate (6).
9. the built-in Faecal occult blood detection device of high-effect closestool according to claim 7, it is characterised in that: light source (21)
Equipped with the second optical fiber (8), optical sensor (22) is equipped with third optical fiber (9), and the second optical fiber (8) divides side by side with third optical fiber (9)
From setting；Second optical fiber (8) is equipped with the second optical fiber light-emitting window (80), and third optical fiber (9) is equipped with third optical fiber light inlet (90), the
Two optical fiber light-emitting windows (80) and third optical fiber light inlet (90) are respectively provided at the exit of corresponding hole (50), and the second optical fiber goes out light
Mouth (80), third optical fiber light inlet (90) are oppositely arranged with reflector plate (6).
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| CN201821532995.6U CN208937501U (en) | 2018-09-19 | 2018-09-19 | The high-effect built-in Faecal occult blood detection device of closestool |
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| CN201821532995.6U CN208937501U (en) | 2018-09-19 | 2018-09-19 | The high-effect built-in Faecal occult blood detection device of closestool |
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Effective date of registration: 20220817 Address after: 518000, 6th floor, building 1, Tianliao community, Gongming office, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Refond Optoelectronics Co.,Ltd. Address before: 5th Floor, Building 6, No. 505, Haopai Road, Suxi Town, Yiwu City, Jinhua City, Zhejiang Province, 322000 Patentee before: ZHEJIANG RUIBAO BIOTECHNOLOGY Co.,Ltd. |