CN208580027U - A kind of scattering of multi-wavelength and transmittance opacimetry device - Google Patents
A kind of scattering of multi-wavelength and transmittance opacimetry device Download PDFInfo
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- CN208580027U CN208580027U CN201821142436.4U CN201821142436U CN208580027U CN 208580027 U CN208580027 U CN 208580027U CN 201821142436 U CN201821142436 U CN 201821142436U CN 208580027 U CN208580027 U CN 208580027U
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Abstract
A kind of scattering of multi-wavelength and transmittance opacimetry device, including light source, optical collector, detection cup, transmission optical receiver, scattering optical receiver, detector, microprocessor；Light source includes more than two point light sources that can respectively issue different wave length light；Optical collector is arranged in the optical path of point-source light ray traveling and the light of each point light source can be allowed to move ahead in the same direction；Detection cup be arranged in the optical path after optical collector and light that point light source can be allowed to issue through the transmitted ray and scattering for forming direct projection scattering light；Transmission optical receiver is arranged in the optical path of transmitted ray and receives transmitted ray；Scattering optical receiver is arranged in the optical path of scattering light and receives scattering light；Detector connect with transmission optical receiver and scattering optical receiver and is detected respectively to transmitted ray and scattering light and will test information and be transferred to microprocessor.The utility model can detect while realizing that multiple wavelength dispersions are more turbid than turbid and transmittance to detection sample on a device, great popularization.
Description
Technical field
The utility model relates to a kind of turbidity meter, especially a kind of multi-wavelength scattering and transmittance opacimetry dress
It sets, belongs to analysis instrument professional skill field.
Background technique
Turbidity, the i.e. muddy degree of liquid refer to the obstruction degree occurred when suspended substance in liquid penetrates light, by
Caused by the micro insoluble suspended material that contains in liquid, colloidal substance.Quantity of the turbidity not only with suspended substance in liquid matter has
It closes, and related with the size, shape and scattering coefficient of suspended material etc..Turbidity can be surveyed with turbidimetry or scattered light method
It is fixed.
Optics turbidimetry in turbidimetry is divided into turbid two kinds of scattering turbidimetry, transmittance again, be respectively according to penetrating light intensity or/
Carry out the concentration of suspended matter in reflected sample with the variation of scattered light intensity.In the prior art, scattered light urbidmetry and turbidimetry
Two kinds of optics respectively have superiority and inferiority than turbid device, and in general, turbidimetry apparatus structure is relatively easy, are suitable for various types of
Detector, and scattering turbidimetry subtraction unit then has higher sensitivity and precision.
In field of medical examination, optics turbidimetry is widely used in the detection of various body fluid turbidity.In the prior art, blood coagulation
The turbidity detecting instruments such as instrument, special proteins instrument, biochemical instruments, optics typically turbid using single scattering turbidimetry or transmittance
Turbidimetry, and the light source for only using a certain specific wavelength is detected, narrow range and the testing cost height of measurement, low efficiency,
The detection of two kinds of turbidimetrys of scattering and transmission cannot be realized on an instrument, this brings greatly not to detection and analysis personnel
Just, the turbid detection with scattering turbidimetry project of transmittance could be completed by needing to equip different instruments in the lab, this single
Equipment is not able to satisfy a variety of demands of user.
For this purpose, Tianjin MD Pacific Technology Co., Ltd. provides utility model patent " multispectral scattering and transmittance
The analyzer gauge head and measuring cup of turbid method detection " (Authorization Notice No.: CN201673117U), realize multispectral scattering and transmission
Turbidimetry carries out the detection of specific protein concentration in extracorporeal blood or body fluid, but the technology needs to design 12 around detection cup and lead to
Hole, structure are excessively complicated.
The utility model patent " dual wavelength scattering turbidimetry measuring device " that Guangzhou Exxon Biotechnology Co., Ltd provides
(Authorization Notice No.: CN205538673U) realizes and is scattered sample than turbid inspection with 660nm and 405nm double-wavelength light source
The purpose of survey, but the device lacks the turbid detection of transmittance, and needs to design two light path systems, increases production difficulty.
Utility model patent " a kind of scattering turbidimetry measurement apparatus " (authorization that Nanjing Norman Biological Technology Co., Ltd. provides
Notification number: 202339325 U of CN), by the way that two scatterings that angle is identical, optical path sectional area is different are arranged under detection Single wavelength
The shading value of optical path increases the sensitivity of scattering turbidimetry, but also lacks the turbid detection function of transmittance.
Utility model content
In order to overcome the deficiencies of the prior art, the utility model provides a kind of scattering of multi-wavelength and transmittance opacimetry device,
The phase reach structure it is simple, it is easy to use, can be realized on a device while carrying out multi-wavelength scattering turbidimetry and transmittance is turbid
The purpose of detection.
In order to achieve the above object, the utility model adopts the following technical solutions:
A kind of scattering of multi-wavelength and transmittance opacimetry device, it is characterised in that: including light source, optical collector, detection cup, thoroughly
Penetrate optical receiver, scattering optical receiver, detector, microprocessor；
The light source includes more than two point light sources that can respectively issue different wave length light；
The optical collector is arranged in the optical path that the point-source light ray is advanced and the light of each point light source can be allowed same
To move ahead；
The detection cup be arranged in the optical path after the optical collector and the point light source can be allowed to issue light through shape
At the transmitted ray of direct projection and the scattering light of scattering；
The transmission optical receiver is arranged in the optical path of the transmitted ray and receives the transmitted ray；
The scattering optical receiver is arranged in the optical path of the scattering light and receives the scattering light；
The detector connect with the transmission optical receiver and the scattering optical receiver and respectively receives it respectively
Transmitted ray and scattering light detected and will test information and be transferred to microprocessor.
It is further:
The point light source is LED light or laser.
The spot diameter of the LED light or laser is 2~5mm, power is 1~20mw, wavelength of light be 400~
1000nm。
The optical collector is fiber coupler or is in 45°Semi-transparent half on each point-source light ray traveling road is arranged in angle
Anti- prism.
The semi-transparent semi-reflecting prism has 1~3, and the point light source has described semi-transparent semi-reflecting prism number+1.
The detection cup is cube cup.
The transmission optical receiver and the scattering optical receiver are photoelectric converter or grating or are in compound lens
It is one or more, be also possible to the spectroscopic detector being combined into one with the detector.
The scattering optical receiver has 1~4 and is separately mounted to the scattering light with transmitted ray at 10~90 ° of angles
In optical path.
Its sensitive wave length for detecting transmitted ray of the detector is 300~1000nm, detects the sensitive wave of scattering light
A length of 300~1000nm.
The detector is spectroscopic detector as a preferred technical solution,.
The multi-wavelength scattering and transmittance opacimetry device further include tdm controller as a preferred technical solution,
The tdm controller connect with each point light source and photoelectric converter respectively and connect with microprocessor signals, in microprocessor pipe
The reason lower control point light source and photoelectric converter linkage are opened entire.
Further, the tdm controller alternately controls the switch of each point light source under the microprocessor management
Power supply, the power supply time-histories of each point light source are 1~50ms, and each point light source power supply interval time is 1ms~60s.
Compared with prior art, the utility model beneficial effect and marked improvement are:
1) a kind of multi-wavelength scattering provided by the utility model and transmittance opacimetry device use multiple wavelength point light sources
As radiation source, and being integrated a branch of by optical collector includes multiple wavelength forward light beam irradiated in the same direction, can be in a device
On detect while realize that multiple wavelength dispersions are more turbid than turbid and transmittance to detection sample；
2) not only apparatus structure is simpler, compact for the utility model, but also has extraordinary external interference resistance,
Also improve the sensitivity of device and the accuracy of testing result；
3) the utility model can also complete the detection of specific project, practicability by replacing the point light source of different wave length
By force, wide adaptability can be widely used in the turbid detection device of each analogy, solve the deficiencies in the prior art, thus great popularization
Application value.
Detailed description of the invention
Fig. 1 is a kind of multi-wavelength scattering provided by the utility model and transmittance opacimetry device schematic cross-sectional view；
Fig. 2 is a kind of multi-wavelength scattering provided by the utility model and after transmittance opacimetry device installs tdm controller additional
Schematic cross-sectional view；
Fig. 3 is a kind of multi-wavelength scattering provided by the utility model and after transmittance opacimetry device installs tdm controller additional
Schematic perspective view；
Fig. 4 is that a kind of multi-wavelength scattering provided by the utility model and transmittance opacimetry device have installed tdm controller additional
And multiple point light sources, optical collector and the schematic cross-sectional view for scattering optical receiver.
In figure:
1a(1b, 1c, 1d)-point light source, 2- optical collector, 3- detection cup, 4- transmission optical receiver, 5- scattering optical receiver,
6- detector, 7- microprocessor, 8- tdm controller.
Specific embodiment
With reference to the accompanying drawing and Detailed description of the invention and embodiment do further in detail technical solution provided by the utility model
It describes in detail bright.
Embodiment 1
Such as a kind of Fig. 1 multi-wavelength scattering provided by the utility model and transmittance opacimetry device schematic cross-sectional view institute
Show:
A kind of scattering of multi-wavelength and transmittance opacimetry device, including light source, optical collector 2, detection cup 3, transmission light-receiving
Device 4, scattering optical receiver 5, detector 6, microprocessor 7；
Light source includes more than two point light sources that can respectively issue different wave length light, point light source 1a as shown in Figure 1
And point light source 1b；
Wherein, point light source can choose spot diameter be 2~5mm, power is 1~20mw, wavelength of light be 400~
The LED light or laser of 1000nm；
Optical collector 2 is arranged in the optical path of point-source light ray traveling and the light of each point light source can be allowed to move ahead in the same direction, such as Fig. 1
Shown, optical collector 2 is arranged in the optical path that point light source 1a and point light source 1b light are advanced and point light source 1a and point light source 1b is allowed to send out
Light out moves ahead in the same direction；
Optical collector 2 can be fiber coupler or in 45°Angle is arranged in semi-transparent semi-reflecting on each point-source light ray traveling road
Prism, optical collector 2 as shown in Figure 1 are as in 45°Angle is arranged on point light source 1a and point light source 1b institute's isolychn traveling road
Semi-transparent semi-reflecting prism；
Detection cup 3 can be cube cup, and point-source light ray is arranged in the optical path after optical collector 2 and can allow light
Scattering light of the light that source issues through the transmitted ray and scattering for forming direct projection；
Transmission optical receiver 4 is arranged in the optical path of transmitted ray and receives transmitted ray；The setting of optical receiver 5 is scattered to exist
In the optical path of scattering light and receive scattering light；Transmission optical receiver 4 and scattering optical receiver 5 can be photoelectric converter or
Grating or be one of compound lens or a variety of；
Detector 6 connect with transmission optical receiver 4 and scattering optical receiver 5 and respectively to transmission optical receiver 4 and scattering
The transmitted ray and scattering light that optical receiver 5 receives are detected and will test information and be transferred to microprocessor 7；
The sensitive wave length that detector 6 detects transmitted ray is 300~1000nm, and the sensitive wave length for detecting scattering light is
300~1000nm；Detector can be spectroscopic detector.
If detector 6 uses spectroscopic detector, transmits the detector 6 connected to it of optical receiver 4 and be combined into a dress
It sets；
Likewise, the spectroscopic detector being combined into one also may be selected in the scattering detector 6 connected to it of optical receiver 5.
Embodiment 2
After installing tdm controller additional such as a kind of Fig. 2 multi-wavelength scattering provided by the utility model and transmittance opacimetry device
Schematic cross-sectional view；A kind of Fig. 3 multi-wavelength scattering provided by the utility model and transmittance opacimetry device install timesharing additional
Shown in schematic perspective view after controller:
A kind of multi-wavelength scattering provided by the utility model and the also mountable tdm controller 8 of transmittance opacimetry device,
Tdm controller 8 connect with each point light source and photoelectric converter respectively and connect with 7 signal of microprocessor, manages in microprocessor 7
Reason each point light source of lower control and photoelectric converter linkage are opened entire.
Tdm controller alternately controls the power supply of each point light source, the power supply time-histories of each point light source under the management of microprocessor 7
It can be 1~50ms, each point light source power supply interval time can be 1ms~60s.
Embodiment 3
A kind of multi-wavelength scattering provided by the utility model and transmittance opacimetry device can not only install Time-sharing control additional
Device, can also be by the optical collector and semi-transparent semi-reflecting prism number+1 point light source, 1~4 that 1~3 semi-transparent semi-reflecting prism forms
It is separately mounted to transmitted ray into the scattering optical receiver in the scattering light optical path of 10~90 ° of angles.
As a kind of Fig. 4 multi-wavelength scattering provided by the utility model and transmittance opacimetry device have installed tdm controller additional
And shown in the schematic cross-sectional view of multiple point light sources, optical collector and scattering optical receiver:
In the present embodiment, a kind of multi-wavelength scattering provided by the utility model and transmittance opacimetry device are equipped with 4
Point light source, that is, 1a, 1b, 1c, 1d, in 4 point light sources, the light direct projection of point light source 1a passes through 3 semi-transparent semi-reflecting prisms and other 3
A point light source 1b, 1c, 1d are in respectively 45 through 3°After the reflective refraction of semi-transparent semi-reflecting prism in its optical path is arranged in angle, synthesis one
Beam includes that the light of different wave length moves ahead in the same direction；
Meanwhile tdm controller 8 is dissipated with 4 point light source, that is, 1a, 1b, 1c, 1d and 1 transmission optical receiver 4,2 respectively
Penetrate optical receiver 5 connection and with microprocessor 7 carry out signal connection and microprocessor 7 management under, tdm controller 8 controls
Each point light source and photoelectric converter carry out linkage open it is entire.
In the present embodiment, transmission optical receiver 4, scattering optical receiver 5 are all photoelectric converter.
In the various embodiments described above, two point light source or multi-point source can allow the light of each point light source by a fiber coupler
It is forwarded to same optical path in the same direction, to save in 45°The semi-transparent semi-reflecting prism on each point light source optical path is arranged in angle；
In addition, if detector all selects spectrum detection instrument, can be directly divided by spectrum detection instrument in above-described embodiment
Grating or group can also be used without tdm controller in this case in the transmitted ray or scattering light of detection different wave length
It closes while lens realize dual wavelength or multi-wavelength transmitted ray or scattering light and acquires and detect, and can realize dual wavelength or more
The real time emission and transmitted ray of wavelength point-source light ray or the real-time detection of scattering light.
In summary:
A kind of multi-wavelength scattering provided by the utility model and transmittance opacimetry device are made using multiple wavelength point light sources
For radiation source, and the light beam of a branch of irradiation that moves ahead in the same direction comprising multiple wavelength is integrated by optical collector, it can be on a device
Realize that the detection multiple wavelength dispersions of sample detect while more turbid than turbid and transmittance；Not only apparatus structure is simpler for the utility model
It is single, compact, and have extraordinary external interference resistance, also improve device sensitivity and testing result it is accurate
Degree；In addition, the utility model can also complete the detection of specific project, practicability by replacing the point light source of different wave length
By force, wide adaptability can be widely used in the turbid detection device of each analogy, solve the deficiencies in the prior art, thus great popularization
Application value.
Finally, it is necessary to explanations:
Above content is only used for helping to illustrate and understand the technical solution of the utility model, should not be understood as the limit to it
System；It is practical to belong to this for the non-intrinsically safe modifications and adaptations or replacement that those skilled in the art are made according to the content of the present specification
Novel range claimed.
Claims (12)
1. a kind of multi-wavelength scattering and transmittance opacimetry device, it is characterised in that: including light source, optical collector, detection cup, transmission
Optical receiver, scattering optical receiver, detector, microprocessor；
The light source includes more than two point light sources that can respectively issue different wave length light；
The optical collector is arranged in the optical path that the point-source light ray is advanced and the light of each point light source can be allowed with forward
Row；
The detection cup is arranged in the optical path after the optical collector and the light that the point light source can be allowed to issue is straight through being formed
The scattering light of the transmitted ray and scattering penetrated；
The transmission optical receiver is arranged in the optical path of the transmitted ray and receives the transmitted ray；
The scattering optical receiver is arranged in the optical path of the scattering light and receives the scattering light；
The detector connect and respectively receives it respectively saturating with the transmission optical receiver and the scattering optical receiver
It penetrates light and scattering light is detected and will test information and is transferred to microprocessor.
2. a kind of multi-wavelength scattering as described in claim 1 and transmittance opacimetry device, it is characterised in that: the point light source
For LED light or laser.
3. a kind of multi-wavelength scattering as claimed in claim 2 and transmittance opacimetry device, it is characterised in that: the LED light
Or the spot diameter of laser is 2~5mm, power is 1~20mw, wavelength of light is 400~1000nm.
4. a kind of multi-wavelength scattering as described in claim 1 and transmittance opacimetry device, it is characterised in that: the optical collector
It for fiber coupler or is in 45°The semi-transparent semi-reflecting prism on each point-source light ray traveling road is arranged in angle.
5. a kind of multi-wavelength scattering as claimed in claim 4 and transmittance opacimetry device, it is characterised in that: described semi-transparent half
Anti- prism has 1~3, and the point light source has described semi-transparent semi-reflecting prism number+1.
6. a kind of multi-wavelength scattering as described in claim 1 and transmittance opacimetry device, it is characterised in that: the detection cup
For cube cup.
7. a kind of multi-wavelength scattering as described in claim 1 and transmittance opacimetry device, it is characterised in that: the transmitted light
Receiver and the scattering optical receiver be photoelectric converter or grating or be one of compound lens or a variety of, can also be with
It is the spectroscopic detector being combined into one with the detector.
8. a kind of multi-wavelength scattering as claimed in claim 7 and transmittance opacimetry device, it is characterised in that: further include timesharing
Controller, the tdm controller connect with each point light source and photoelectric converter respectively and connect with microprocessor signals, micro-
Controlled under processor management the point light source and the photoelectric converter linkage open it is entire.
9. a kind of multi-wavelength scattering as claimed in claim 8 and transmittance opacimetry device, it is characterised in that: the timesharing control
Device processed alternately controls the switch power supply of each point light source under the microprocessor management, and the power supply time-histories of each point light source is 1
~50ms, each point light source power supply interval time are 1ms~60s.
10. a kind of multi-wavelength scattering as described in claim 1 and transmittance opacimetry device, it is characterised in that: the scattering
Optical receiver have 1~4 and be separately mounted to in scattering light optical path of the transmitted ray at 10~90 ° of angles.
11. a kind of multi-wavelength scattering as described in claim 1 and transmittance opacimetry device, it is characterised in that: the detection
Its sensitive wave length for detecting transmitted ray of device is 300~1000nm, and the sensitive wave length for detecting scattering light is 300~1000nm.
12. a kind of multi-wavelength scattering as described in claim 1 and transmittance opacimetry device, it is characterised in that: the detection
Device is spectroscopic detector.
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| CN201821142436.4U CN208580027U (en) | 2018-07-18 | 2018-07-18 | A kind of scattering of multi-wavelength and transmittance opacimetry device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732134A (en) * | 2018-07-18 | 2018-11-02 | 上海原科实业发展有限公司 | A kind of scattering of multi-wavelength and transmittance opacimetry device |
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2018
- 2018-07-18 CN CN201821142436.4U patent/CN208580027U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732134A (en) * | 2018-07-18 | 2018-11-02 | 上海原科实业发展有限公司 | A kind of scattering of multi-wavelength and transmittance opacimetry device |
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