CN207423803U - Multichannel food synthetic detection device - Google Patents
Multichannel food synthetic detection device Download PDFInfo
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- CN207423803U CN207423803U CN201721522583.XU CN201721522583U CN207423803U CN 207423803 U CN207423803 U CN 207423803U CN 201721522583 U CN201721522583 U CN 201721522583U CN 207423803 U CN207423803 U CN 207423803U
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- multichannel
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- food synthetic
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- 238000001514 detection method Methods 0.000 title claims abstract description 75
- 235000013305 food Nutrition 0.000 title claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 13
- 229910052744 lithium Inorganic materials 0.000 claims description 13
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 3
- 229910021538 borax Inorganic materials 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 239000004328 sodium tetraborate Substances 0.000 description 3
- 235000010339 sodium tetraborate Nutrition 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000000447 pesticide residue Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a kind of multichannel food synthetic detection devices, it is intended to solve the technical issues of existing detection device precision is not high, detection species is few, inconvenient.The utility model includes detection module, processor module, power module, input terminal and outlet terminal；Detection module includes setting the detect tank of multigroup independent detection unit, and processor module includes ARM microprocessor, and outlet terminal includes display unit, mini-printer, USB communication interfaces；Detection module is by sample detection data input processor module, and by treated, detection data are exported according to the input information of input terminal to outlet terminal processor module.The beneficial effects of the utility model are：Detection range is wide, precision is high, speed is fast and easy to operate easy to carry.
Description
Technical field
The utility model is related to technical field of food detection, and in particular to a kind of multichannel food inspection equipment.
Background technology
In recent years, food-safety problem increasingly obtains the extensive concern of society, with the increasing of people's health consciousness
By force, the illegal food production process exposed again and again has aggravated the food-safe anxiety of people, therefore, foods supervision portion
Door is there is an urgent need to a kind of food inspection instrument powerful, detection class kind is complete, easy to operate, to food in the market
Quick comprehensive detection is carried out, effectively prevents the production of illegal food, and then ensures the safety of people's diet.
Food inspection determines some specific objects in food still mostly using chemical method by adding chemical reagent at present
The content of matter, but this detection method mainly carries out in laboratory, and also operating process is relatively complicated；Also have in the market
Instrument with food inspection project, such as gas chromatograph, mass spectrograph, nuclear magnetic resonance, infrared spectrometer etc., but these
For instrument just for a kind of or certain several specific detection project, detection range is relatively narrow, and generally existing purchase instrument cost it is high,
It should not safeguard, operate with the reality of program complexity.
The content of the invention
It is existing to solve the technical problem to be solved by the present invention is to provide a kind of multichannel food synthetic detection device
The detectable harmful components of food inspection equipment species is few, inconvenient and data preserve it is not safe and reliable enough
Technical problem.
In order to solve the above technical problems, the utility model adopts the following technical solution：
A kind of multichannel food synthetic detection device is designed, including detection module, processor module, power module, input
Terminal and outlet terminal；Detection module includes being provided with the detect tank of 12 groups of independent detection units, and it is micro- that processor module includes ARM
Processor, outlet terminal include display unit, mini-printer, USB communication interfaces；Detection module inputs sample detection data
Processor module, by treated, sample detection data are exported according to the input information of input terminal to described defeated processor module
Go out terminal.
Preferably, arm processor includes Cortex-M3 kernels, and data-handling capacity is strong.
Preferably, power module includes automobile power source interface and rechargeable lithium battery, and automobile power source interface facilitates user to use
In equipment moving testing vehicle, rechargeable lithium battery in no external power supply, can be maintained for more than 8 it is small when work so that equipment is convenient
It carries, carries out outdoor operations.
Preferably, input terminal includes silica gel push-button, and sense of touch is good, and service life is long.
Preferably, display unit includes 320*240 graphic dot matrix liquid crystal displays, and full Chinese operation interface is easy to use.
Preferably, independent detection unit includes light source, light-receiving device and sample bin；Light source includes light emitting diode and light source
Preheating includes sensitive silicon photoelectric sensor with constant temperature management system, closed loop light source automated calibration system, light-receiving device,
Electric signal is converted optical signal into input into microprocessor；Light emitting diode sends the blue light of wavelength 460nm, wavelength
The green light of 525nm, the orange-colored light of wavelength 589nm, the purple light of wavelength 410nm；Light source preheats effective with constant temperature management system
Prevent that drifting about for data is inconsistent with each passage；Closed loop light source automated calibration system avoids causing because of external condition variation
Light source it is too strong excessively weak, so as to keep the optimum Working of light source.
The power module further includes inside and outside power supply automatic switchover circuit, the MOS of inside and outside power supply automatic switchover circuit
Pipe Q5 source electrode connection rechargeable lithium battery anode, drain electrode be connected with the cathode and resistance R8 of diode D6, grid according to
It is secondary to be connected with the anode of diode D6, the cathode of diode D8, resistance R8 and R9；The source electrode connection external power supply of metal-oxide-semiconductor Q6
Anode, drain terminal are connected with the cathode of diode D5 and one end of resistance R7, the anode of grid and diode D5, resistance R7,
Resistance R10 is connected；The drain electrode of metal-oxide-semiconductor Q8 is connected with resistance R10, and source electrode is grounded its grid and resistance R11, R13 and diode
The anode connection of D9, the cathode ground connection of R13 and D9 diodes；The circuit can realize external power supply and lithium battery power supply without seaming and cutting
It changes, preferentially powers and charge using external power supply in external power supply, when external power supply disconnects, seamlessly switch to lithium battery confession
Electricity prevents loss of data.
Compared with prior art, the advantageous effects of the utility model are：
1. the utility model detection project is complete, multigroup independent detection passage can be carried out at the same time formaldehyde, nitrite, two
Sulfur oxide, hydrogen peroxide, sodium formaldehyde sulfoxylate, protein, lead, nitrate, borax, pesticide residue.
2. the utility model accuracy of detection is high, using the special component of photoelectric sensor detection food, coordinate microprocessor
Analysis detecting data so that result is more accurate.
3. the utility model detection speed is fast, the powerful data-handling capacity of arm processor can be quickly obtained testing result,
Accelerate detection procedure.
4. the utility model is easy to operate, clearly operation button and large-screen lc display cooperation hommization menu make behaviour
Work is more simple and convenient, and automobile power source Interference fit rechargeable lithium battery makes instrument easy to carry, can be applied to a variety of
Occasion.
5. the utility model is convenient for management, data analysis that communication interface can be powerful with PC ends, processing, data base administration
Application software combines, and excellent basis is provided for the Distant supervision and control of data.
Description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model detect tank top view；
Fig. 3 is the utility model detection unit structure diagram；
Fig. 4 is the utility model detection function structure diagram；
Fig. 5 is power management module electrical block diagram；
Fig. 6 is analog to digital conversion circuit structure diagram.
In figure, 1 is detect tank, and 2 be upper cover, and 3 be sample cell, and 4 be mini-printer, and 5 be liquid crystal display, and 6 be button.
Specific embodiment
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings and examples, but following embodiment simply uses
It is described in detail the utility model, does not limit the scope of the utility model in any way.
Program that is involved or relying on is the conventional program or simple program of the art in following embodiment, ability
Field technique personnel can make conventional selection or accommodation according to concrete application scene.
Involved unit module, parts, circuit structure or sensor etc. in following embodiment, unless otherwise instructed,
It is then conventional products or structure.
Embodiment 1：A kind of multichannel food synthetic detection device, referring to Fig. 1, including housing, housing left-half is set
There is detect tank 1, detect tank 1 is internally provided with sample cell 3, and detect tank 1 is additionally provided with the upper cover 2 being hinged on housing；Housing is again
Half part is provided with mini-printer 4, is liquid crystal display 5 and button 6 below mini-printer；Liquid crystal display selects 320*
240 graphic dot matrix liquid crystal displays, button select silica gel push-button.Enclosure interior is additionally provided with microprocessor and power circuit, micro-
Processor selects the arm processor containing Cortex-M3 kernels, and processing speed is fast；Power circuit include automobile power source interface and
Rechargeable lithium battery is equipped on moving testing vehicle and ensures the sustainable work eight in the case of no external power supply
Hour.The trailing flank of housing is additionally provided with USB communication module, convenient to be communicated with host computer, be data remote monitoring with
Management provides excellent basis.
For detect tank internal structure referring to Fig. 2, sample cell 3 is cuboid groove-like, and 6 rows arrange in two separate ranks, from lower to upper by
Left number consecutively of turning left again, bottom right 1, upper left 12, each sample cell are independent detection unit, and each unit contains
The detection unit of one group of independence such as Fig. 3, the incident ray that the light source that light emitting diode forms sends specific wavelength are irradiated to sample
On, enter light-receiving device through reflection loss generation emergent ray, light-receiving device includes silicon photoelectric sensor, and the optical signal sensed is turned
Electric signal is changed to, obtained electric signal is analog signal, it is necessary to carry out being converted to number by the external converter of processor
Signal could be sent into ARM microprocessor and be handled.Light source manages system by preheating with constant temperature in the process prevents data
Drift and each passage it is inconsistent, by closed loop automated calibration system avoid because external condition change caused by light source mistake
It is strong excessively weak, so as to keep the optimum Working of light source.12 sample cells can detect simultaneously same sample different detections or
The different detections of the same detection of different samples or different samples, are so sorted in while increasing detection project and are convenient for again
It the arrangement of data and checks.
Above-mentioned detection device inner function module structure may determine that referring to Fig. 4, power management module when powering on
Input power is that external direct current power supply or the power supply of built-in charged lithium cells, light emitting diode send the light of specific wavelength through sample
After reflection attenuation is into Photoelectric Detection battery, Photoelectric Detection battery by receiving to optical signal be converted to electric signal and input micro- place
Reason device is handled, the option push button prompted in the process according to liquid crystal display.After the completion of to be detected,
The testing result to be checked connects through output interface in liquid crystal display screen display or by mini-printer printing or by USB
Mouth is uploaded to host computer.
Power management module such as Fig. 5, pad B4 connect lithium battery group cathode and afterbody power supply cathode, and the anode of externally fed connects
Pad B3, the anode of battery pack meet pad B2, and output cathode is pad B1, and cathode is pad B4, in the presence of externally fed, Q5
VgsLess than Vgs（th）, Q5 is closed, while R11 and R13 partial pressures turn on Q8, and R7 and R10 are divided and caused Q6 conductings, and outside supplies
Output is electrically connected, when externally fed is not present or withdraws, the driving voltage of Q8 is 0V, and Q8 is turned off, and Q6 is also switched off, externally fed
Circuit is cut off, Q5 drivings end VgsMore than Vgs（th）, lithium battery power supply circuit is connected, seamlessly switches to battery pack and export.
Analog to digital conversion circuit such as Fig. 6 selects modulus conversion chip ADC0809, IN1-IN7 to connect the mould of light-receiving device generation respectively
Analog quantity signal, CLK is connected by frequency divider with the PA.8 pins of STM32 microcontrollers provides clock signal, and ADDA-C selects for passage
Pin is selected, the ADDA-C channel selecting variables being sent into are deposited when ALE is set to high level, internal conversion list is sent to after decoding
Member, when START obtains positive pulse, rising edge is reset, and trailing edge starts to convert, and transition period START keeps low level, and EOC is
Conversion end signal represents conversion end when EOC is high level, OE is arranged to 1 after conversion reception, microprocessor
Read the change data of D0-D7 ends output.
The operate with method of above-mentioned multichannel food synthetic detection device is as follows：After start, first according to whether plug-in
Source adapter system automatic identification is powered from external power supply or from standby lithium；Then equipment is automatically to each logical in sample cell
The light in road carries out self-test and correction, it is ensured that system is normal before test；Into after main interface, liquid crystal menu interface is clearly shown
All operating functions, user is needed according to test and testing process operation button, so as to perform different test item functions；It connects
The completion to be detected such as get off, print data and storage can choose whether to test result afterwards；Historical data can also be led to
Button is crossed to be checked and printed；If connected at this time by communication interface with host computer PC software, data can be uploaded PC
Carry out subsequent management.
Food synthetic detection device detection project in this example is complete, 12 groups of independent detection passages, can be carried out at the same time formaldehyde,
Totally 10 tests of nitrite, sulfur dioxide, hydrogen peroxide, sodium formaldehyde sulfoxylate, protein, lead, nitrate, borax, pesticide residue, technology
Parameter is as follows：1st, agriculture is residual：Monitoring lower-cut：Inhibiting rate 5%, detection range：Inhibiting rate（0~100%）2nd, formaldehyde：Monitoring lower-cut：
1mg/kg, detection range：（0~100）Mg/kg 3, nitrite：Monitoring lower-cut：1mg/kg, detection range：（0~100）mg/
Kg 4, sulfur dioxide：Monitoring lower-cut：1mg/kg, 5mg/kg, detection range：（0~100）mg/kg,0~500）Mg/kg 5, hang
White block：Monitoring lower-cut：5mg/kg, detection range：（0~500）Mg/kg 6, protein：Monitoring lower-cut：0.5%, detection range：
（0~50）% 7, nitrate：Monitoring lower-cut：10mg/kg, 40mg/kg, detection range：（0~1000）Mg/kg, 0#4000）
Mg/kg 8, heavy metal lead：Monitoring lower-cut：0.5mg/kg, 0.2mg/kg, detection range：（0~50）Mg/kg, 0~20）mg/kg
9th, borax：Monitoring lower-cut：5mg/kg, detection range：（0~100）Mg/kg 10, hydrogen peroxide：Monitoring lower-cut：5mg/kg, 10mg/
Kg, 100mg/kg, detection range：（0~500）mg/kg,（0~1000）Mg/kg,（0~10000）mg/kg
The utility model is described in detail above in conjunction with drawings and examples, still, the skill of technical field
Art personnel, can also be to each specific in above-described embodiment it is understood that on the premise of the utility model aims are not departed from
Parameter changes, and forms multiple specific embodiments, is the common excursion of the utility model, no longer detailed one by one herein
It states.
Claims (10)
1. a kind of multichannel food synthetic detection device, including detection module, processor module, power module, input terminal and
Outlet terminal；It is characterized in that：The detection module includes being provided with the detect tank of multigroup independent detection unit, the processor
Module includes ARM microprocessor, and the outlet terminal includes display unit, mini-printer, USB communication interfaces；The detection
Module by sample detection data input processor module, the processor module will treated detection data according to the input
The input information of terminal is exported to the outlet terminal.
2. multichannel food synthetic detection device according to claim 1, it is characterised in that：The arm processor includes
Contain Cortex-M3 kernel STM32 series monolithics.
3. multichannel food synthetic detection device according to claim 1, it is characterised in that：The power module includes vapour
Vehicle power interface and rechargeable lithium battery.
4. multichannel food synthetic detection device according to claim 1, it is characterised in that：The input terminal includes silicon
Glue button.
5. multichannel food synthetic detection device according to claim 1, it is characterised in that：The display unit includes
320*240 graphic dot matrix liquid crystal displays.
6. multichannel food synthetic detection device according to claim 1, it is characterised in that：The independent detection unit bag
Include light source, light-receiving device and sample bin.
7. multichannel food synthetic detection device according to claim 6, it is characterised in that：The light source includes luminous two
Pole pipe and closed loop light source auto-calibration circuits.
8. multichannel food synthetic detection device according to claim 6, it is characterised in that：The light-receiving device includes silicon light
Electric transducer.
9. multichannel food synthetic detection device according to claim 1, it is characterised in that：The power module further includes
Inside and outside power supply automatic switchover circuit.
10. multichannel food synthetic detection device according to claim 9, it is characterised in that：The inside and outside power supply is certainly
The anode of the source electrode connection rechargeable lithium battery of the metal-oxide-semiconductor Q5 of dynamic switching circuit, drain electrode and the cathode and resistance of diode D6
R8 connections, grid are connected successively with the anode of diode D6, the cathode of diode D8, resistance R8 and R9；The source electrode of metal-oxide-semiconductor Q6
The anode of external power supply is connected, drain terminal is connected with the cathode of diode D5 and one end of resistance R7, grid and diode D5
Anode, resistance R7, resistance R10 be connected；The drain electrode of metal-oxide-semiconductor Q8 is connected with resistance R10, and source electrode is grounded its grid and resistance
The anode of R11, R13 and diode D9 connect, the cathode ground connection of R13 and D9 diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721522583.XU CN207423803U (en) | 2017-11-15 | 2017-11-15 | Multichannel food synthetic detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721522583.XU CN207423803U (en) | 2017-11-15 | 2017-11-15 | Multichannel food synthetic detection device |
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| Publication Number | Publication Date |
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| CN207423803U true CN207423803U (en) | 2018-05-29 |
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ID=62304805
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721522583.XU Expired - Fee Related CN207423803U (en) | 2017-11-15 | 2017-11-15 | Multichannel food synthetic detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736702A (en) * | 2019-11-20 | 2020-01-31 | 丁春旭 | multifunctional pesticide residue detection control system |
-
2017
- 2017-11-15 CN CN201721522583.XU patent/CN207423803U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736702A (en) * | 2019-11-20 | 2020-01-31 | 丁春旭 | multifunctional pesticide residue detection control system |
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