CN208672518U - Reflected light formula dry chemical detector - Google Patents
Reflected light formula dry chemical detector Download PDFInfo
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- CN208672518U CN208672518U CN201821227606.9U CN201821227606U CN208672518U CN 208672518 U CN208672518 U CN 208672518U CN 201821227606 U CN201821227606 U CN 201821227606U CN 208672518 U CN208672518 U CN 208672518U
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Abstract
The utility model relates to detection technique fields, more particularly to a kind of reflected light formula dry chemical detector, including the next colorimetric module and Upper system module, the bottom colorimetric module includes sequentially connected colorimetric receiver, signal filter element, signal amplification unit, slave computer CPU, it further include light source and the light source control unit for connecting and controlling the light source, the colorimetric receiver is used to receive the light issued from the light source and through detection card reflection, the Upper system module includes host computer CPU and the internal storage unit and display unit that are connected respectively with the host computer CPU, the host computer CPU in slave computer CPU and the Upper system module in the bottom colorimetric module passes through corresponding interface unit connection communication.The utility model receives the light of detection card reflection by colorimetric unit and passes to CPU, is calculated through CPU it can be concluded that detecting the absorbance value of card color development area to judge testing result.
Description
Technical field
The utility model relates to detection technique fields, and in particular to a kind of reflected light formula dry chemical detector.
Background technique
Instantly, the various detection cards quickly detected for food safety largely use, and this detection card is usually using examination
Test paper is placed in sample to be measured by the form of paper, obtains the test paper with certain color change, then by visually and on colorimetric card
Color obtain when comparing reading as a result, this detection mode is because its reaction speed is fast, it is convenient to operate, and price is low
It is honest and clean, it is easy to spread to more public users and carries out food safeties and quickly detect, but is different for the reading standard of data, and be easy
By interference from human factor, it is easy to it causes to misread or human intervention, and mass data can not summarize, it need to be by testing staff's hand
Work input system has significant limitation using upper.
Utility model content
The utility model overcomes disadvantages mentioned above, provides a kind of reflected light that all kinds of detection cards of accurate interpretation may be implemented
Formula dry chemical detector.
The technical solution adopted by the utility model to solve its technical problems is that: a kind of reflected light formula dry chemical detection
Instrument, including the next colorimetric module and Upper system module, the bottom colorimetric module include sequentially connected colorimetric receiver, letter
Number filter element, signal amplification unit, slave computer CPU further include light source and the light source control list for connecting and controlling the light source
Member, the colorimetric receiver are used to receive the light issued from the light source and through detection card reflection, the Upper system module
The internal storage unit and display unit being connected including host computer CPU and respectively with the host computer CPU, the bottom colorimetric
The host computer CPU in slave computer CPU and the Upper system module in module passes through corresponding interface unit connection communication.
The Upper system module may also include, the network uploading unit being connected with the host computer CPU.
The bottom colorimetric module can have it is multiple, the multiple bottom colorimetric module respectively with the Upper system module
Connection communication.
The colorimetric receiver, signal filter element, signal amplification unit constitute sense channel can have it is multiple, it is described
Multiple sense channels are connected with the slave computer CPU respectively.
The utility model also provides another reflected light formula dry chemical detector, including sequentially connected colorimetric receives
It is device, signal filter element, signal amplification unit, CPU and the display screen being connected respectively with the CPU, key control unit, interior
Portion's storage unit further includes light source and the light source control unit for connecting and controlling the light source, and the colorimetric receiver is for connecing
Receive the light issued from the light source and through detection card reflection.
The colorimetric receiver, signal filter element, signal amplification unit constitute sense channel can have it is multiple, it is described
Multiple sense channels are connected with the CPU respectively.
The display unit can be touch display screen.
The light source control unit can export current or voltage by adjusting, and control the brightness of the light source.
Silicon photocell can be used in the colorimetric receiver.
The colorimetric receiver and the light source can be placed in 90 degree of angles.
Light is radiated on detection card by the utility model by control light source control unit, is received and is detected by colorimetric unit
Block the light of reflection and pass to CPU, is calculated through CPU it can be concluded that detecting the absorbance value of card color development area to judge detection knot
Fruit.In addition, also data can be directly uploaded to supervision website, get rid of the cumbersome of logging data, dropped by network uploading unit
The low probability of human intervention, makes data realize effective management of data, provides convenient and fast detection means for supervision department.
Detailed description of the invention
Fig. 1 is the functional block diagram of embodiment one in the utility model；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the functional block diagram of embodiment two in the utility model.
Specific embodiment
Embodiment one:
As shown in fig. 1, in the utility model embodiment one functional block diagram, including the next colorimetric module and Upper system
Module, the bottom colorimetric module includes sequentially connected colorimetric receiver, signal filter element, signal amplification unit, bottom
Machine CPU further includes light source and the light source control unit for connecting and controlling the light source, and the colorimetric receiver is for receiving from institute
State light source issue and through detection card reflection light, the Upper system module include host computer CPU and respectively with it is described upper
The internal storage unit and display unit that machine CPU is connected, slave computer CPU and the upper system in the bottom colorimetric module
Host computer CPU in system module passes through corresponding interface unit connection communication.Wherein, the light source control unit passes through adjusting
Current or voltage is exported, the brightness of the light source is controlled, the colorimetric receiver uses silicon photocell.
Since different colours have absorption to light at a particular wavelength, detection card shows not the sample of various concentration
Together, the height of the absorbance of each color is with the concentration of tested ingredient at correlation.Therefore, it using the reflection of light, by light source and visits
It surveys device to place at 90 degree of angles, the absorbance value obtained by detecting card coloured moiety reflection receivable, through the bottom built in instrument
Machine CPU can obtain the result that whether index components are exceeded in sample after calculating.
It as shown in Figure 2, is the structural schematic diagram of the present embodiment, wherein the colorimetric receiver 2 and the light source 1 are in
90 degree of angles are placed.When detection, develop the color on detection card after sample is handled, then the detection card 3 that colour developing is completed is inserted into
In the detection position of reflected light formula dry chemical detector, specific wavelength is issued through light source control unit control light source
Light, and with 45° angle incident radiation in the color development area of detection card 3, a part of light is by the color absorption of color development area, another part
Light, with 135 ° of corner reflections, receives the light being reflected back in the silicon photocell of 90 ° of angles with light source, the silicon photocell will by plane
After photoelectric conversion, signal is successively calculated after signal filter element, signal amplification unit processing by slave computer CPU, it can be with
Obtain the absorbance value of detection card color development area to judge testing result.The slave computer cpu i/f unit will test result
Be sent to the Upper system module, and shown by touch display screen, internal storage unit is stored, can also pass through
Data are directly uploaded to supervision website, get rid of the cumbersome of logging data, reduce the several of human intervention by network uploading unit
Rate, makes data realize effective management of data, provides convenient and fast detection means for supervision department.The utility model can pass through
It adjusts internal resistance resistance value and then adjusts output voltage, it, can be for the color of different detection card colour developings so as to adjust light-source brightness
Match the light source of different wave length.Moreover, because receiver is to light intensity High sensitivity, the fixed knot of the colorimetric receiver and light source
Structure guarantees the stabilization of light source and receiver, avoids interfering.
The utility model can be used for detecting dry type chromatography type pesticide residue card, fluorescent colloid gold detection card, dry chemical
The result interpretation of colour developing card etc. coherent detection project.The method that absorbance value is obtained in a manner of reflected light have greatly expanded for
Dry type detects the reading of card color change, makes better use of the characteristics of different colours absorb specific wavelength, is sufficiently applied to
In the colour developing judgement of plane monitoring-network card, application range is expanded, detection efficiency is improved.
Further, the sense channel that the colorimetric receiver, signal filter element, signal amplification unit are constituted has more
A, the multiple sense channel is connected with the slave computer CPU respectively；On the other hand, the next colorimetric module can also be with
With multiple, the multiple bottom colorimetric module also constitutes multi-channel detection respectively with the Upper system module connection communication,
To realize multichannel while detect, and it does not interfere with each other.In the present embodiment, the bottom colorimetric module and Upper system module point
It does not work independently, it is flexible and convenient to use by wired or wireless interface unit connection communication.
Embodiment two:
It as shown in Figure 3, is the functional block diagram of embodiment two in the utility model, including sequentially connected colorimetric receives
It is device, signal filter element, signal amplification unit, CPU and the display screen being connected respectively with the CPU, key control unit, interior
Portion's storage unit further includes light source and the light source control unit for connecting and controlling the light source, and the colorimetric receiver is for connecing
Receive the light issued from the light source and through detection card reflection.The present embodiment is equivalent to the simplification of embodiment one, when detection, will show
In the detection position for the 3 insertion reflected light formula dry chemical detectors of detection card that color is completed, the silicon photocell is by photoelectric conversion
Afterwards, by signal successively through signal filter element, signal amplification unit processing after, calculated by the CPU, it can be deduced that detection card
The absorbance value of color development area is to judge testing result, then will test that result is shown by touch display screen, inside is deposited
Storage unit is stored.Other are basically the same as the first embodiment, and which is not described herein again.
Reflected light formula dry chemical detector provided by the utility model is described in detail above, is answered herein
The principles of the present invention and embodiment are expounded with specific case, the explanation of above example is only intended to sides
Assistant solves the method and its core concept of the utility model；At the same time, for those skilled in the art is practical new according to this
The thought of type, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not manage
Solution is limitations of the present invention.
Claims (10)
1. a kind of reflected light formula dry chemical detector, it is characterised in that: including the next colorimetric module and Upper system module, institute
Stating the next colorimetric module includes sequentially connected colorimetric receiver, signal filter element, signal amplification unit, slave computer CPU, is gone back
Including light source and connection and the light source control unit for controlling the light source, the colorimetric receiver is sent out for receiving from the light source
Out and the light through detection card reflection, the Upper system module include host computer CPU and are connected respectively with the host computer CPU
The internal storage unit and display unit connect, in the slave computer CPU and the Upper system module in the bottom colorimetric module
Host computer CPU pass through corresponding interface unit connection communication.
2. reflected light formula dry chemical detector according to claim 1, it is characterised in that: the bottom colorimetric module tool
Have it is multiple, the multiple bottom colorimetric module respectively with the Upper system module connection communication；Alternatively, the colorimetric receives
Device, signal filter element, signal amplification unit constitute sense channel have it is multiple, the multiple sense channel respectively with it is described
Slave computer CPU is connected.
3. reflected light formula dry chemical detector according to claim 1 or 2, it is characterised in that: the light source control list
Member controls the brightness of the light source, the colorimetric receiver uses silicon photocell by adjusting output current or voltage.
4. reflected light formula dry chemical detector according to claim 1 or 2, it is characterised in that: the Upper system mould
Block further includes the network uploading unit being connected with the host computer CPU, and the display unit is touch display screen.
5. reflected light formula dry chemical detector according to claim 1 or 2, it is characterised in that: the colorimetric receiver
With the light source, placed in 90 degree of angles.
6. a kind of reflected light formula dry chemical detector, it is characterised in that: filtered including sequentially connected colorimetric receiver, signal
Unit, signal amplification unit, CPU and the display screen being connected respectively with the CPU, key control unit, internal storage unit,
It further include light source and the light source control unit for connecting and controlling the light source, the colorimetric receiver is for receiving from the light source
The light for issuing and being reflected through detection card.
7. reflected light formula dry chemical detector according to claim 6, it is characterised in that: the colorimetric receiver, letter
The sense channel that number filter element, signal amplification unit are constituted have it is multiple, the multiple sense channel respectively with the CPU phase
Connection.
8. reflected light formula dry chemical detector according to claim 6 or 7, it is characterised in that: the CPU is also connected with
Network uploading unit.
9. reflected light formula dry chemical detector according to claim 6 or 7, it is characterised in that: the light source control list
Member controls the brightness of the light source, the colorimetric receiver uses silicon photocell by adjusting output current or voltage.
10. reflected light formula dry chemical detector according to claim 6 or 7, it is characterised in that: the colorimetric receiver
With the light source, placed in 90 degree of angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821227606.9U CN208672518U (en) | 2018-08-01 | 2018-08-01 | Reflected light formula dry chemical detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821227606.9U CN208672518U (en) | 2018-08-01 | 2018-08-01 | Reflected light formula dry chemical detector |
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| CN208672518U true CN208672518U (en) | 2019-03-29 |
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| CN201821227606.9U Active CN208672518U (en) | 2018-08-01 | 2018-08-01 | Reflected light formula dry chemical detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398467A (en) * | 2019-08-31 | 2019-11-01 | 蒋夏丽 | A kind of detection method and device of drugs and explosive |
-
2018
- 2018-08-01 CN CN201821227606.9U patent/CN208672518U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398467A (en) * | 2019-08-31 | 2019-11-01 | 蒋夏丽 | A kind of detection method and device of drugs and explosive |
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