CN104535729A - Portable antibiotic detection pocket - Google Patents
Portable antibiotic detection pocket Download PDFInfo
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- CN104535729A CN104535729A CN201410807949.2A CN201410807949A CN104535729A CN 104535729 A CN104535729 A CN 104535729A CN 201410807949 A CN201410807949 A CN 201410807949A CN 104535729 A CN104535729 A CN 104535729A
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Abstract
The invention discloses a portable antibiotic detection pocket which comprises a pocket with a zipper and a detector arranged in the pocket, wherein the detector comprises a single-chip module, a key module, an antibiotic sensing module, an A/D module, a buzzer module and a display module; the key module is connected with the single-chip module; the antibiotic sensing module is connected with the A/D module; the A/D module is connected with the single-chip module; the buzzer module is connected with the single-chip module; and the display module is connected with the single-chip module. The antibiotic sensing module is used for acquiring a gas signal emitted by the antibiotics, an analog signal is converted into a digital signal to be transmitted to the single-chip module by virtue of the A/D module, the digital signal is subjected to analytical processing by the single-chip module, the obtained result is displayed by the display module, and if the food is detected that the food contains antibiotics, the single-chip module can control the buzzer module to give a sound alarm. The antibiotics detection pocket disclosed by the invention is convenient to carry, and sensitive in detection and has great market competition advantages.
Description
Technical field
The invention belongs to and a kind of rapid detector for antibiotic residue technical field, especially relate to a kind of portable microbiotic and detect bag.
Background technology
Food is the base substance that the mankind depend on for existence, and the health and safety of its quality safety situation and the mankind is multiplied closely bound up, but the quality security problem of food becomes increasingly conspicuous.Such as, the microbiotic problem in chicken is particularly serious, and these microbiotic in food have carcinogenic, teratogenesis, mutagenicity or genetoxic etc.In order to effectively ensure this type of food security, just detection must be analyzed fast and accurately to the microbiotic in food security.
Usually gas chromatography, liquid chromatography, Atomic absorption, ultraviolet-visible pectrophotometer and the large-scale instrument such as PCR, Protein Sequencer is adopted to detect to complete microbiotic in Food Safety Analysis department at present.But there is instrument price costliness, the shortcoming such as bulky in conventional antibiotic modern instrument detection technique.Antibiotic analytical test has very strong ageing.Therefore in the urgent need to the microbiotic detection technique that a generic operation is efficient, quick, easy, green, the demand of analysis is detected fast to meet microbiotic in a large amount of food.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art part, and provide a kind of detection speed fast, the portable microbiotic be convenient for carrying detects bag.
The object of the invention is to be solved by following technical proposal:
Portable microbiotic detects a bag, it is characterized in that: comprise the purse 1 being provided with slide fastener and the detector 2 be positioned in purse 1;
Described detector comprises one-chip computer module, key-press module, microbiotic sensing module, A/D module, hummer module and display module; Described key-press module is connected with one-chip computer module, described microbiotic sensing module and A/D model calling, and A/D module is connected with one-chip computer module, and described hummer module is connected with one-chip computer module, and described display module is connected with one-chip computer module;
Described one-chip computer module comprises microcontroller U1, reset circuit and crystal oscillating circuit; Described reset circuit is connected with microcontroller U1, and described crystal oscillating circuit is connected with microcontroller U1; Described microcontroller U1 is connected with power supply VCC;
The variohm RP that described microbiotic sensing module comprises microbiotic sensor J3 and is connected with microbiotic sensor J3; Described microbiotic sensor J3 is connected with power supply VCC; Described microbiotic sensor J3 and the equal ground connection of variohm RP;
Described A/D module comprises A/D conversion chip JP1, and described A/D conversion chip JP1 is connected with variohm RP, microbiotic sensor J3 and microcontroller U1 respectively; Described A/D conversion chip JP1 is connected with power supply VCC; Described A/D conversion chip JP1 ground connection;
Described hummer module comprises hummer LS, triode Q5 and resistance R20; Described hummer LS one end is connected with power supply VCC and resistance R20, and the hummer LS other end is connected with triode Q5 collector, and described triode Q5 base stage is all connected with microcontroller U1 with resistance R20; Described triode Q5 grounded emitter;
Described key-press module comprises button S2, button S3, button S4, resistance R3, resistance R4, resistance R5; Described button S2 one end ground connection, the other end is connected with resistance R3, and resistance R3 is connected with power supply VCC; Described button S3 one end ground connection, the other end is connected with resistance R4, and resistance R4 is connected with power supply VCC; Described button S4 one end ground connection, the other end is connected with resistance R5, and resistance R5 is connected with power supply VCC;
Described display module comprises driving triode Q1, Q2, Q3 and Q4, charactron DP1, DP2, DP3 and DP4 and resistance R8, R9, R10 and R11 composition; Described charactron is connected with current-limiting resistance R12, R13, R14, R15, R16, R17, R18 and R19; Described microbiotic sensor gathers the gas signal that microbiotic distributes, convert simulating signal to digital model by A/D conversion chip JP1 and deliver to microcontroller U1, microcontroller U1 carries out analyzing and processing to numeric type number, result is exported by port P0.0, P0.2, P0.4 and P0.6, control the conducting or the cut-off that drive triode Q1, Q2, Q3 and Q4 respectively, represent result with the state of charactron DP1, DP2, DP3 and DP4 luminescence; Described driving triode Q1, Q2, Q3 are connected with power supply VCC with the collector of Q4.
Reset circuit of the present invention comprises resistance R1, resistance R2, switch S 1 and polar capacitor C3; Described polar capacitor C3 positive pole is connected with power supply VCC, and polar capacitor C3 negative pole is connected with microcontroller U1; Described resistance R1 one end is connected with switch S 1, and the other end is connected with microcontroller U1, and described switch S 1 one end is connected with resistance R1, and the other end is connected with power supply VCC; Described resistance R2 one end is connected with polar capacitor C3 negative pole, other end ground connection.
Crystal oscillating circuit of the present invention comprises crystal oscillator Y1, electric capacity C1 and electric capacity C2; Described crystal oscillator Y1 two ends are connected with two different pins of microcontroller U1, and described crystal oscillator Y1 one end is connected with electric capacity C1, and the electric capacity C2 of the other end connects; Described electric capacity C1 one end is connected with crystal oscillator Y1, other end ground connection; Described electric capacity C2 one end is connected with crystal oscillator Y1, other end ground connection.
Microcontroller of the present invention is connected with two light emitting diode D1 and D2; Described D1 one end ground connection, other end contact resistance R6, described resistance R6 connects microcontroller; Described D2 one end ground connection, other end contact resistance R7, described resistance R7 connects microcontroller.
Microcontroller U1 of the present invention adopts AT89S52 microcontroller.
A/D conversion chip JP1 of the present invention is ADC0832 conversion chip.
Driving triode Q1, Q2, Q3 and Q4 of the present invention are PNP type triode 9012.
Compared to the prior art the present invention has following characteristics and beneficial effect:
1, microbiotic detector is all three-dimensional machine in the market, and just can run under the prerequisite of 220V external power supply, therefore very inconveniently carries, and the present invention is identical with common purse carrying mode, carries more for convenience.
2, microbiotic sensor has very high sensitivity to the gas that microbiotic distributes, can be anti-interference, has good selectivity to the gas that microbiotic distributes.There is good repeatability and long-term stability.
3, its weight of this equipment is only 0.26KG, and price is low compared to traditional microbiotic detector, and market competition advantage is larger.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is that the principle of the invention connects block diagram.
Fig. 3 is one-chip computer module circuit diagram of the present invention.
Fig. 4 is key-press module circuit diagram of the present invention.
Fig. 5 is microbiotic sensing module of the present invention and A/D module circuit diagram.
Fig. 6 is hummer module circuit diagram of the present invention.
Fig. 7 is display module circuit diagram of the present invention.
Fig. 8 is light emitting diode place of the present invention circuit diagram.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details.
As shown in Figure 1, a kind of portable microbiotic detects bag, comprises the purse being provided with slide fastener and the detector be positioned in purse.Weight of the present invention is only 0.26KG, is convenient for carrying.
As shown in Figure 2, described detector comprises one-chip computer module, key-press module, microbiotic sensing module, A/D module, hummer module and display module; Described key-press module is connected with one-chip computer module, described microbiotic sensing module and A/D model calling, and A/D module is connected with one-chip computer module, and described hummer module is connected with one-chip computer module, and described display module is connected with one-chip computer module.
As shown in Figure 5, the described microbiotic sensing module variohm RP that comprises microbiotic sensor J3 and be connected with microbiotic sensor J3; Described microbiotic sensor J3 is connected with power supply VCC; Described microbiotic sensor J3 and the equal ground connection of variohm RP.Microbiotic sensor has very high sensitivity to the gas that microbiotic distributes, can be anti-interference, has good selectivity to the gas that microbiotic distributes.There is good repeatability and long-term stability.When microbiotic sensor J3 is in time detecting food, microbiotic sensor J3 can gather the gas signal that microbiotic distributes, and sends A/D module to.
Described A/D module comprises A/D conversion chip JP1, and A/D conversion chip JP1 is ADC0832 conversion chip.Described A/D conversion chip JP1 is connected with variohm RP, microbiotic sensor J3 and microcontroller U1 respectively; Described A/D conversion chip JP1 is connected with power supply VCC; Described A/D conversion chip JP1 ground connection.The function of A/D module is that continually varying analog quantity is converted to discrete digital quantity, is to erect simulation system with the bridge connected between digital display circuit.For native system, exactly for carrying out sample code to the food antibiotic concentration signal of input fast, accurately, convert thereof into the digital quantity that single-chip microcomputer can process.A/D module is the key component of native system, and the quality of its performance directly affects the quality of whole system.
As shown in Figure 3, described one-chip computer module comprises microcontroller U1, reset circuit and crystal oscillating circuit; Described reset circuit is connected with microcontroller U1, and described crystal oscillating circuit is connected with microcontroller U1; Described microcontroller U1 is connected with power supply VCC.Described microcontroller U1 adopts AT89S52 microcontroller.AT89S52 is a kind of low-power consumption, high-performance CMOS 8 8-digit microcontroller, uses the manufacture of Atmel company high-density nonvolatile memory technology.
As shown in Figure 6, described hummer module comprises hummer LS, triode Q5 and resistance R20; Described hummer LS one end is connected with power supply VCC and resistance R20, and the hummer LS other end is connected with triode Q5 collector, and described triode Q5 base stage is all connected with microcontroller U1 with resistance R20; Described triode Q5 grounded emitter.
As shown in Figure 4, described key-press module comprises button S2, button S3, button S4, resistance R3, resistance R4, resistance R5; Described button S2 one end ground connection, the other end is connected with resistance R3, and resistance R3 is connected with power supply VCC; Described button S3 one end ground connection, the other end is connected with resistance R4, and resistance R4 is connected with power supply VCC; Described button S4 one end ground connection, the other end is connected with resistance R5, and resistance R5 is connected with power supply VCC.
As shown in Figure 7, described display module comprises driving triode Q1, Q2, Q3 and Q4, charactron DP1, DP2, DP3 and DP4 and resistance R8, R9, R10 and R11 composition; Described charactron is connected with current-limiting resistance R12, R13, R14, R15, R16, R17, R18 and R19; Described microbiotic sensor gathers the gas signal that microbiotic distributes, convert simulating signal to digital model by A/D conversion chip JP1 and deliver to microcontroller U1, microcontroller U1 carries out analyzing and processing to numeric type number, result is exported by port P0.0, P0.2, P0.4 and P0.6, control the conducting or the cut-off that drive triode Q1, Q2, Q3 and Q4 respectively, represent result with the state of charactron DP1, DP2, DP3 and DP4 luminescence; Described driving triode Q1, Q2, Q3 are connected with power supply VCC with the collector of Q4.
4 Digital sum pipe DP1, DP2, DP3 and DP4 are common anode pipe, because one-chip computer module output current is smaller, therefore drive charactron with the triode 9015 of 4 positive-negative-positives.Triode ON during single-chip microcomputer output low level, 4 common ports 1,4,5 and 12 pin making charactron is high level, and after the data terminal input low level of now charactron, charactron is lit, and 120 Europe resistance R12 to R19 are the current-limiting resistance of triode.
As shown in Figure 3, resistance R1, resistance R2, switch S 1 and polar capacitor C3 is comprised as schemed reset circuit of the present invention; Described polar capacitor C3 positive pole is connected with power supply VCC, and polar capacitor C3 negative pole is connected with microcontroller U1; Described resistance R1 one end is connected with switch S 1, and the other end is connected with microcontroller U1, and described switch S 1 one end is connected with resistance R1, and the other end is connected with power supply VCC; Described resistance R2 one end is connected with polar capacitor C3 negative pole, other end ground connection.
Crystal oscillating circuit of the present invention comprises crystal oscillator Y1, electric capacity C1 and electric capacity C2; Described crystal oscillator Y1 two ends are connected with two different pins of microcontroller U1, and described crystal oscillator Y1 one end is connected with electric capacity C1, and the electric capacity C2 of the other end connects; Described electric capacity C1 one end is connected with crystal oscillator Y1, other end ground connection; Described electric capacity C2 one end is connected with crystal oscillator Y1, other end ground connection.
As shown in Figure 8, microcontroller of the present invention is connected with two light emitting diode D1 and D2; Described D1 one end ground connection, other end contact resistance R6, described resistance R6 connects microcontroller; Described D2 one end ground connection, other end contact resistance R7, described resistance R7 connects microcontroller.
Driving triode Q1, Q2, Q3 and Q4 of the present invention are PNP type triode 9012.
Food antibiotic concentration test macro microbiotic sensing module gathers the gas signal that microbiotic distributes, and convert simulating signal to digital signal by A/D number of modules and deliver to one-chip computer module, one-chip computer module carries out analyzing and processing to digital signal, and the result of gained is shown by display module, if food detects containing antibiotic substance, so one-chip computer module just can control hummer module and to sound warning.1 the quaternity common anode numeral method current antibiotic concentration data in display section, charactron 4 triodes 9012 control.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (7)
1. a portable microbiotic detects bag, it is characterized in that: comprise the purse being provided with slide fastener and the detector be positioned in purse;
Described detector comprises one-chip computer module, key-press module, microbiotic sensing module, A/D module, hummer module and display module; Described key-press module is connected with one-chip computer module, described microbiotic sensing module and A/D model calling, and A/D module is connected with one-chip computer module, and described hummer module is connected with one-chip computer module, and described display module is connected with one-chip computer module;
Described one-chip computer module comprises microcontroller U1, reset circuit and crystal oscillating circuit; Described reset circuit is connected with microcontroller U1, and described crystal oscillating circuit is connected with microcontroller U1; Described microcontroller U1 is connected with power supply VCC;
The variohm RP that described microbiotic sensing module comprises microbiotic sensor J3 and is connected with microbiotic sensor J3; Described microbiotic sensor J3 is connected with power supply VCC; Described microbiotic sensor J3 and the equal ground connection of variohm RP;
Described A/D module comprises A/D conversion chip JP1, and described A/D conversion chip JP1 is connected with variohm RP, microbiotic sensor J3 and microcontroller U1 respectively; Described A/D conversion chip JP1 is connected with power supply VCC; Described A/D conversion chip JP1 ground connection;
Described hummer module comprises hummer LS, triode Q5 and resistance R20; Described hummer LS one end is connected with power supply VCC and resistance R20, and the hummer LS other end is connected with triode Q5 collector, and described triode Q5 base stage is all connected with microcontroller U1 with resistance R20; Described triode Q5 grounded emitter;
Described key-press module comprises button S2, button S3, button S4, resistance R3, resistance R4, resistance R5; Described button S2 one end ground connection, the other end is connected with resistance R3, and resistance R3 is connected with power supply VCC; Described button S3 one end ground connection, the other end is connected with resistance R4, and resistance R4 is connected with power supply VCC; Described button S4 one end ground connection, the other end is connected with resistance R5, and resistance R5 is connected with power supply VCC;
Described display module comprises driving triode Q1, Q2, Q3 and Q4, charactron DP1, DP2, DP3 and DP4 and resistance R8, R9, R10 and R11 composition; Described charactron is connected with current-limiting resistance R12, R13, R14, R15, R16, R17, R18 and R19; Described microbiotic sensor gathers the gas signal that microbiotic distributes, convert simulating signal to digital model by A/D conversion chip JP1 and deliver to microcontroller U1, microcontroller U1 carries out analyzing and processing to numeric type number, result is exported by port P0.0, P0.2, P0.4 and P0.6, control the conducting or the cut-off that drive triode Q1, Q2, Q3 and Q4 respectively, represent result with the state of charactron DP1, DP2, DP3 and DP4 luminescence; The collector of described driving triode Q1, Q2, Q3, Q4 is all connected with power supply VCC.
2. portable microbiotic according to claim 1 detects bag, it is characterized in that: described reset circuit comprises resistance R1, resistance R2, switch S 1 and polar capacitor C3; Described polar capacitor C3 positive pole is connected with power supply VCC, and polar capacitor C3 negative pole is connected with microcontroller U1; Described resistance R1 one end is connected with switch S 1, and the other end is connected with microcontroller U1, and described switch S 1 one end is connected with resistance R1, and the other end is connected with power supply VCC; Described resistance R2 one end is connected with polar capacitor C3 negative pole, other end ground connection.
3. portable microbiotic according to claim 1 detects bag, it is characterized in that: described crystal oscillating circuit comprises crystal oscillator Y1, electric capacity C1 and electric capacity C2; Described crystal oscillator Y1 two ends are connected with two different pins of microcontroller U1, and described crystal oscillator Y1 one end is connected with electric capacity C1, and the electric capacity C2 of the other end connects; Described electric capacity C1 one end is connected with crystal oscillator Y1, other end ground connection; Described electric capacity C2 one end is connected with crystal oscillator Y1, other end ground connection.
4. portable microbiotic according to claim 1 detects bag, it is characterized in that: described microcontroller is connected with two light emitting diode D1 and D2; Described D1 one end ground connection, other end contact resistance R6, described resistance R6 connects microcontroller; Described D2 one end ground connection, other end contact resistance R7, described resistance R7 connects microcontroller.
5. portable microbiotic according to claim 1 detects bag, it is characterized in that: described microcontroller U1 adopts AT89S52 microcontroller.
6. portable microbiotic according to claim 1 detects bag, it is characterized in that: described A/D conversion chip JP1 is ADC0832 conversion chip.
7. portable microbiotic according to claim 1 detects bag, it is characterized in that: described driving triode Q1, Q2, Q3 and Q4 are PNP type triode 9012.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410807949.2A CN104535729A (en) | 2014-12-23 | 2014-12-23 | Portable antibiotic detection pocket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410807949.2A CN104535729A (en) | 2014-12-23 | 2014-12-23 | Portable antibiotic detection pocket |
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| Publication Number | Publication Date |
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| CN104535729A true CN104535729A (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410807949.2A Pending CN104535729A (en) | 2014-12-23 | 2014-12-23 | Portable antibiotic detection pocket |
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Application publication date: 20150422 |