CN205139398U - Thing quality control surveys circuit in intelligence cabinet - Google Patents
Thing quality control surveys circuit in intelligence cabinet Download PDFInfo
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- CN205139398U CN205139398U CN201520807553.8U CN201520807553U CN205139398U CN 205139398 U CN205139398 U CN 205139398U CN 201520807553 U CN201520807553 U CN 201520807553U CN 205139398 U CN205139398 U CN 205139398U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses a thing quality control surveys circuit in intelligence cabinet. Current intelligent locker does not have the interior article of real -time detection cabinet, has open by mistake door phenomenon. The utility model discloses an input circuit realizes external world's input discernment respectively for single -chip control circuit emitting diode's expert, disconnected for high, low -level transmission, during the single -chip control circuit output low level, infrared detection circuit passes through infrared transmitting tubes transmission infrared light to the reflection infrared light that to receive converts voltage signal to and transmits for processing circuit, processing circuit takes care of infrared detection circuit's voltage signal to turn into this voltage signal the signal that is fit for single -chip control circuit and gathers, the signal collection that single -chip control circuit transmitted processing circuit, output circuit exports zero to external world during the single -chip control circuit output high level, output circuit output HIGH voltage to external world during the single -chip control circuit output low level. The utility model discloses it differentiates to realize the accuracy of the interior article of cabinet to provide the illumination function of opening the door.
Description
Technical field
The utility model belongs to electronic technology field, is specifically related to Articles detecting circuit in a kind of intelligent cabinet cabinet.
Background technology
At present, Intelligent storage cabinet relies on its simple to operate, that use reduces labour cost flexibly and significantly feature, is subject to the favor of industry-by-industry more and more, especially express delivery industry.Its human-computer interaction interface had, user can be made simply promptly to complete savings, SMS notification, the operations such as pickup, want to realize accurate automation mechanized operation, whether will have the existence of article in real time in detecting box, but the most of Intelligent storage cabinet used at present do not have similar checkout equipment, make Intelligent storage cabinet there is the phenomenon opening by mistake door in use, increase the security risk that Intelligent storage cabinet uses.
Summary of the invention
In order to overcome the problems referred to above, the utility model provides a kind of testing circuit, the detection problem efficiently solving article and the problem communicated with host computer, and devises illumination LED, provides door opening and illumination function.
The utility model solves the technical scheme that its technical matters adopts:
The utility model comprises reduction voltage circuit, input circuit, output circuit, infrared detection circuit, signal processing circuit and single chip machine controlling circuit; The supply voltage of described reduction voltage circuit power supply to external world carries out voltage transformation, and powers to input circuit, infrared detection circuit, signal processing circuit and single chip machine controlling circuit respectively; External world's input by extraneous Power supply, and is identified as high level or low level is transferred to the switching that single chip machine controlling circuit realizes light emitting diode in single chip machine controlling circuit respectively by described input circuit; Described single chip machine controlling circuit controls infrared detection circuit, signal processing circuit and output circuit; During single chip machine controlling circuit output low level, infrared detection circuit launches infrared light by infrared transmitting tube, and the reflects infrared light received by infrared receiving tube is changed into voltage signal is defeated by signal processing circuit; The voltage signal of described signal processing circuit conditioning infrared detection circuit, and this voltage signal is converted into the signal of applicable single chip machine controlling circuit collection; Single chip machine controlling circuit uses self integrated A/D converter to gather the signal that signal processing circuit transmits; During single chip machine controlling circuit output high level, output circuit exports zero, output circuit output HIGH voltage to external world during single chip machine controlling circuit output low level to external world.
Described reduction voltage circuit comprises step-down chip U1, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the first diode D1, schottky diode D2 and inductance L 1; The model of step-down chip U1 is XL1509-5.0, and the model of the first diode D1 is IN4007, and the model of schottky diode D2 is SS14.The positive pole of the first diode D1 is connected with the positive pole of extraneous power supply, and negative pole is connected with 1 pin of step-down chip U1; One end of first electric capacity C1, the second electric capacity C2 is all connected with 1 pin of step-down chip U1, and the other end is connected with the negative pole of extraneous power supply and ground connection; The negative pole of schottky diode D2 is connected with 2 pins of step-down chip U1, plus earth; One end of inductance L 1 is connected with 2 pins of step-down chip U1, and the other end is connected with 3 pins of step-down chip U1; One end of 3rd electric capacity C3, the 4th electric capacity C4 is all connected with 3 pins of step-down chip U1, the equal ground connection of the other end; The equal ground connection of 4,5,6,7,8 pin of step-down chip U1; 3 pin output voltage of step-down chip U1.
Described input circuit comprises integrated form schottky diode Q1 and the first resistance R1; The model of integrated form schottky diode Q1 is BAT54C; Extraneous input signal is connected with 3 pins of integrated form schottky diode Q1; One end of first resistance R1 is powered by the output voltage of reduction voltage circuit; 1,2 pins of integrated form schottky diode Q1 be all connected with the other end of the first resistance R1 and output voltage to single chip machine controlling circuit.
Described output circuit comprises the first N-channel MOS pipe Q2, the second resistance R2, the 3rd resistance R3, the 4th resistance R4 and the 5th resistance R5; The model of the first N-channel MOS pipe Q2 is SI2300; The positive pole of the extraneous power supply of one termination of the second resistance R2, the other end is connected with the drain electrode of the 3rd resistance R3 and the first N-channel MOS pipe Q2; The other end output voltage to external world of the 3rd resistance R3; The grid of the first N-channel MOS pipe Q2 is connected with one end of the 4th resistance R4 and the 5th resistance R5; The other end of the 4th resistance R4 connects the output voltage of single chip machine controlling circuit; The other end of the 5th resistance R5, the source grounding of the first N-channel MOS pipe Q2.
Described infrared detection circuit has three tunnels; First via infrared detection circuit comprises the first PNP type triode Q3, the first infrared transmitting tube D3, the first infrared receiving tube D4, the 6th resistance R6 and the 7th resistance R7; One end of 6th resistance R6 is connected with the output voltage of single chip machine controlling circuit, and the other end is connected with the base stage of the first PNP type triode Q3; The emitter of the first PNP type triode Q3 and the negative pole of the first infrared receiving tube D4 are powered by the output voltage of reduction voltage circuit; The collector of the first PNP type triode Q3 is connected with the positive pole of the first infrared transmitting tube D3; The positive pole of the first infrared receiving tube D4 be connected with one end of the 7th resistance R7 and output voltage to signal processing circuit; The negative pole of the first infrared transmitting tube D3 and the equal ground connection of the other end of the 7th resistance R7.Second road infrared detection circuit comprises the second PNP type triode Q4, the second infrared transmitting tube D5, the second infrared receiving tube D6, the 8th resistance R8 and the 9th resistance R9; One end of 8th resistance R8 is connected with the output voltage of single chip machine controlling circuit, and the other end is connected with the base stage of the second PNP type triode Q4; The emitter of the second PNP type triode Q4 and the negative pole of the second infrared receiving tube D6 are powered by the output voltage of reduction voltage circuit; The collector of the second PNP type triode Q4 is connected with the positive pole of the second infrared transmitting tube D5; The positive pole of the second infrared receiving tube D6 be connected with one end of the 9th resistance R9 and output voltage to signal processing circuit; The negative pole of the second infrared transmitting tube D5 and the equal ground connection of the other end of the 9th resistance R9.3rd road infrared detection circuit comprises the 3rd PNP type triode Q5, the 3rd infrared transmitting tube D7, the 3rd infrared receiving tube D8, the tenth resistance R10 and the 11 resistance R11; One end of tenth resistance R10 is connected with the output voltage of single chip machine controlling circuit, and the other end is connected with the base stage of the 3rd PNP type triode Q5; The emitter of the 3rd PNP type triode Q5 and the negative pole of the 3rd infrared receiving tube D8 are powered by the output voltage of reduction voltage circuit; The collector of the 3rd PNP type triode Q5 is connected with the positive pole of the 3rd infrared transmitting tube D7; The positive pole of the 3rd infrared receiving tube D8 be connected with one end of the 11 resistance R11 and output voltage to signal processing circuit; The negative pole of the 3rd infrared transmitting tube D7 and the equal ground connection of the other end of the 11 resistance R11.
Described signal processing circuit comprises analog switch U2, the second N-channel MOS pipe Q4, the first operational amplifier U3A, the second operational amplifier U3B, the 6th electric capacity C6, the 12 resistance R12, the 13 resistance R13, the 14 resistance R14, the 15 resistance R15, the 16 resistance R16 and the 17 resistance R17; The model of analog switch U2 is HEF4051, and the model of the second N-channel MOS pipe Q4 is SI2300, and the first operational amplifier U3A, the second operational amplifier U3B are respectively two operation independent amplifiers of integrated form operational amplifier LM358 inside; 13,14,15 pins of analog switch U2 are connected with the voltage output end of three road infrared detection circuits respectively; 9,10,11 pins of analog switch U2 are connected with an I/O mouth of single-chip microcomputer U4 in single chip machine controlling circuit respectively; 16 pins of analog switch U2 are connected with one end of the 6th electric capacity C6 and are powered by the output voltage of reduction voltage circuit; 6,7,8 pins of analog switch U2 and the equal ground connection of the other end of the 6th electric capacity C6; 3 pins of analog switch U2 are connected with the drain electrode of the positive input of the first operational amplifier U3A and the second N-channel MOS pipe Q4; One end of 12 resistance R12 is connected with the output voltage of single chip machine controlling circuit, and the other end is connected with the grid of the second N-channel MOS pipe Q4 and one end of the 13 resistance R13; The other end of the 13 resistance R13 and the source grounding of the second N-channel MOS pipe Q4; One end of 14 resistance R14 is connected with the reverse input end of one end of the 15 resistance R15 and the first operational amplifier U3A, other end ground connection; The other end of the 15 resistance R15 is connected with the positive input of the output terminal of the first operational amplifier U3A and the second operational amplifier U3B; One end of 16 resistance R16 is connected with the reverse input end of the second operational amplifier U3B and one end of the 17 resistance R17, other end ground connection; The output terminal of the second operational amplifier U3B be connected with the other end of the 17 resistance R17 and output voltage to single chip machine controlling circuit.
Described single chip machine controlling circuit comprises single-chip microcomputer U4, light emitting diode D9, the 5th electric capacity C5 and the 18 resistance R18; The model of single-chip microcomputer U4 is STC15W404AS; 3 pins of single-chip microcomputer U4 connect the voltage output end of input circuit; 14 pins of single-chip microcomputer U4 connect the level signal input end of output circuit; 16,1,2 pins of single-chip microcomputer U4 connect the level signal input end of three road infrared detection circuits respectively; A0, A1, A2 pin of analog switch U2 in 11,12, the 13 pins difference connection signal treatment circuits of single-chip microcomputer U4, the model of analog switch U2 is HEF4051; Level signal input end, the voltage output end of 5, the 15 pins difference connection signal treatment circuits of single-chip microcomputer U4; 6 pins of single-chip microcomputer U4 are connected with one end of the 5th electric capacity C5 and the positive pole of light emitting diode D9, and are powered by the output voltage of reduction voltage circuit; 8 pins of single-chip microcomputer U4 and the equal ground connection of the other end of the 5th electric capacity C5; The negative pole of light emitting diode D9 is connected with one end of the 18 resistance R18; The other end of the 18 resistance R18 is connected with 4 pins of single-chip microcomputer U4.
The beneficial effects of the utility model are:
The utility model achieves the accurate differentiation of article in cabinet, and result is exported by output interface, and the signal that input interface can accept cabinet door realizes the function of door opening and illumination.
Accompanying drawing explanation
Fig. 1 is system chart of the present utility model.
Fig. 2 is reduction voltage circuit schematic diagram of the present utility model.
Fig. 3 is input circuit schematic diagram of the present utility model.
Fig. 4 is output circuit schematic diagram of the present utility model.
Fig. 5-1,5-2 and 5-3 are three road infrared detection circuit schematic diagrams of the present utility model.
Fig. 6 is signal processing circuit schematic diagram of the present utility model.
Fig. 7 is single chip machine controlling circuit schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated.
As shown in Figure 1, Articles detecting circuit in a kind of intelligent cabinet cabinet, comprises reduction voltage circuit, input circuit, output circuit, infrared detection circuit, signal processing circuit and single chip machine controlling circuit; The supply voltage of reduction voltage circuit power supply to external world carries out voltage transformation, the range of choice to supply voltage when increasing use, and powers to input circuit, infrared detection circuit, signal processing circuit and single chip machine controlling circuit respectively; External world's input by extraneous Power supply, and is identified as high level or low level is transferred to the switching that single chip machine controlling circuit realizes light emitting diode D9 in single chip machine controlling circuit respectively by input circuit; Single chip machine controlling circuit controls infrared detection circuit, signal processing circuit and output circuit; During single chip machine controlling circuit output low level, infrared detection circuit launches infrared light by infrared transmitting tube, and the reflects infrared light received by infrared receiving tube is changed into voltage signal is defeated by signal processing circuit; The voltage signal of signal processing circuit conditioning infrared detection circuit, and this voltage signal is converted into the signal of applicable single chip machine controlling circuit collection; Single chip machine controlling circuit uses self integrated A/D converter to gather the signal that signal processing circuit transmits; During single chip machine controlling circuit output high level, output circuit exports zero to external world, represents in cabinet have article storage, output circuit output HIGH voltage to external world during single chip machine controlling circuit output low level, represents in cabinet do not have article storage.
As shown in Figure 2, reduction voltage circuit comprises step-down chip U1, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the first diode D1, schottky diode D2 and inductance L 1; The model of step-down chip U1 is XL1509-5.0, and the model of the first diode D1 is IN4007, and the model of schottky diode D2 is SS14.The positive pole of the first diode D1 is connected with the positive pole VCC of extraneous power supply, and negative pole is connected with 1 pin of step-down chip U1; One end of first electric capacity C1, the second electric capacity C2 is all connected with 1 pin of step-down chip U1, and the other end is connected with the negative pole of extraneous power supply and ground connection; The negative pole of schottky diode D2 is connected with 2 pins of step-down chip U1, plus earth; One end of inductance L 1 is connected with 2 pins of step-down chip U1, and the other end is connected with 3 pins of step-down chip U1; One end of 3rd electric capacity C3, the 4th electric capacity C4 is all connected with 3 pins of step-down chip U1, the equal ground connection of the other end; The equal ground connection of 4,5,6,7,8 pin of step-down chip U1.After extraneous power supply is connected, 3 pins of step-down chip U1 export+5V voltage over the ground.
As shown in Figure 3, input circuit comprises integrated form schottky diode Q1 and the first resistance R1; The model of integrated form schottky diode Q1 is BAT54C; Extraneous input signal Vin is connected with 3 pins of integrated form schottky diode Q1; One end of first resistance R1 is powered by the output voltage of step-down chip U1; 1,2 pins of the first N-channel MOS pipe Q1 be all connected with the other end of the first resistance R1 and output voltage Uo1 to single chip machine controlling circuit; When extraneous high input voltage, the output voltage Uo1 of input circuit is+5V, and when the external world inputs zero, the output voltage Uo1 of input circuit is+0.3V, and now single chip machine controlling circuit thinks that this level is low level.
As shown in Figure 4, output circuit comprises the first N-channel MOS pipe Q2, the second resistance R2, the 3rd resistance R3, the 4th resistance R4 and the 5th resistance R5; The model of the first N-channel MOS pipe Q2 is SI2300; The positive pole VCC of the extraneous power supply of one termination of the second resistance R2, the other end is connected with the drain electrode of the 3rd resistance R3 and the first N-channel MOS pipe Q2; The other end output voltage Vout to external world of the 3rd resistance R3; The grid of the first N-channel MOS pipe Q2 is connected with one end of the 4th resistance R4 and the 5th resistance R5; The other end of the 4th resistance R4 meets the output voltage Ui1 of single chip machine controlling circuit; The other end of the 5th resistance R5, collect the source grounding of the first N-channel MOS pipe Q2.When the output voltage Ui1 of single chip machine controlling circuit is high level, output circuit exports zero to external world, represent in cabinet have article storage, the output circuit output HIGH voltage to external world when the output voltage Ui1 of single chip machine controlling circuit is low level, represents in cabinet do not have article storage
As shown in fig. 5-1, first via infrared detection circuit comprises the first PNP type triode Q3, the first infrared transmitting tube D3, the first infrared receiving tube D4, the 6th resistance R6 and the 7th resistance R7; One end of 6th resistance R6 is connected with the output voltage Ui2 of single chip machine controlling circuit, and the other end is connected with the base stage of the first PNP type triode Q3; The emitter of the first PNP type triode Q3 and the negative pole of the first infrared receiving tube D4 are powered by the output voltage of step-down chip U1; The collector of the first PNP type triode Q3 is connected with the positive pole of the first infrared transmitting tube D3; The positive pole of the first infrared receiving tube D4 be connected with one end of the 7th resistance R7 and output voltage Uo2 to signal processing circuit; The negative pole of the first infrared transmitting tube D3 and the equal ground connection of the other end of the 7th resistance R7.
As shown in Fig. 5-2, the second road infrared detection circuit comprises the second PNP type triode Q4, the second infrared transmitting tube D5, the second infrared receiving tube D6, the 8th resistance R8 and the 9th resistance R9; One end of 8th resistance R8 is connected with the output voltage Ui3 of single chip machine controlling circuit, and the other end is connected with the base stage of the second PNP type triode Q4; The emitter of the second PNP type triode Q4 and the negative pole of the second infrared receiving tube D6 are powered by the output voltage of step-down chip U1; The collector of the second PNP type triode Q4 is connected with the positive pole of the second infrared transmitting tube D5; The positive pole of the second infrared receiving tube D6 be connected with one end of the 9th resistance R9 and output voltage Uo3 to signal processing circuit; The negative pole of the second infrared transmitting tube D5 and the equal ground connection of the other end of the 9th resistance R9.
As shown in Fig. 5-3, the 3rd road infrared detection circuit comprises the 3rd PNP type triode Q5, the 3rd infrared transmitting tube D7, the 3rd infrared receiving tube D8, the tenth resistance R10 and the 11 resistance R11; One end of tenth resistance R10 is connected with the output voltage Ui4 of single chip machine controlling circuit, and the other end is connected with the base stage of the 3rd PNP type triode Q5; The emitter of the 3rd PNP type triode Q5 and the negative pole of the 3rd infrared receiving tube D8 are powered by the output voltage of step-down chip U1; The collector of the 3rd PNP type triode Q5 is connected with the positive pole of the 3rd infrared transmitting tube D7; The positive pole of the 3rd infrared receiving tube D8 be connected with one end of the 11 resistance R11 and output voltage Uo4 to signal processing circuit; The negative pole of the 3rd infrared transmitting tube D7 and the equal ground connection of the other end of the 11 resistance R11.
When output voltage Ui2, Ui3 and Ui4 of single chip machine controlling circuit are low level, three infrared transmitting tubes all send infrared light, three infrared receiving tubes receive the light reflected when infrared light runs into article, and infrared detection circuit is converted into voltage signal Uo2, Uo3 and Uo4 and exports to signal processing circuit.
As shown in Figure 6, signal processing circuit comprises analog switch U2, the second N-channel MOS pipe Q4, the first operational amplifier U3A, the second operational amplifier U3B, the 6th electric capacity C6, the 12 resistance R12, the 13 resistance R13, the 14 resistance R14, the 15 resistance R15, the 16 resistance R16 and the 17 resistance R17; The model of analog switch U2 is HEF4051, and the model of the second N-channel MOS pipe Q4 is SI2300, and the first operational amplifier U3A, the second operational amplifier U3B are respectively two operation independent amplifiers of integrated form operational amplifier LM358 inside; 13,14,15 pins of analog switch U2 are connected with the voltage output end of three road infrared detection circuits respectively; 9,10,11 pins of analog switch U2 are connected with an I/O mouth of single-chip microcomputer U4 in single chip machine controlling circuit respectively; 16 pins of analog switch U2 are connected with one end of the 6th electric capacity C6 and are powered by the output voltage of step-down chip U1; 6,7,8 pins of analog switch U2 and the equal ground connection of the other end of the 6th electric capacity C6; 3 pins of analog switch U2 are connected with the drain electrode of the positive input of the first operational amplifier U3A and the second N-channel MOS pipe Q4; One end of 12 resistance R12 is connected with the output voltage Ui5 of single chip machine controlling circuit, and the other end is connected with the grid of the second N-channel MOS pipe Q4 and one end of the 13 resistance R13; The other end of the 13 resistance R13 and the source grounding of the second N-channel MOS pipe Q4; One end of 14 resistance R14 is connected with the reverse input end of one end of the 15 resistance R15 and the first operational amplifier U3A, other end ground connection; The other end of the 15 resistance R15 is connected with the positive input of the output terminal of the first operational amplifier U3A and the second operational amplifier U3B; One end of 16 resistance R16 is connected with the reverse input end of the second operational amplifier U3B and one end of the 17 resistance R17, other end ground connection; The output terminal of the second operational amplifier U3B be connected with the other end of the 17 resistance R17 and output voltage Uo5 to single chip machine controlling circuit; The effect of signal processing circuit is the signal of switching three road infrared detection circuit reception and is amplified by signal, and the second N-channel MOS pipe Q4 passes through the control of single-chip microcomputer in single chip machine controlling circuit, the filtering burr that signal edge produces when switching signal.
As shown in Figure 7, single chip machine controlling circuit comprises single-chip microcomputer U4, light emitting diode D9, the 5th electric capacity C5 and the 18 resistance R18; The model of single-chip microcomputer U4 is STC15W404AS; 3 pins of single-chip microcomputer U4 connect the voltage output end Uo1 of input circuit; 14 pins of single-chip microcomputer U4 connect the level signal input end of output circuit; 16,1,2 pins of single-chip microcomputer U4 connect the level signal input end of three road infrared detection circuits respectively; A0, A1, A2 pin of analog switch U2 in 11,12, the 13 pins difference connection signal treatment circuits of single-chip microcomputer U4, the model of analog switch U2 is HEF4051; Level signal input end, the voltage output end of 5, the 15 pins difference connection signal treatment circuits of single-chip microcomputer U4; 6 pins of single-chip microcomputer U4 are connected with one end of the 5th electric capacity C5 and the positive pole of light emitting diode D9, and are powered by the output voltage of step-down chip U1; 8 pins of single-chip microcomputer U4 and the equal ground connection of the other end of the 5th electric capacity C5; The negative pole of light emitting diode D9 is connected with one end of the 18 resistance R18; Light emitting diode D9 plays LED illumination effect; The other end of the 18 resistance R18 is connected with 4 pins of single-chip microcomputer U4.The effect of single chip machine controlling circuit is collection signal and the work controlling whole system.
Claims (7)
1. Articles detecting circuit in an intelligent cabinet cabinet, comprise reduction voltage circuit, input circuit, output circuit, infrared detection circuit, signal processing circuit and single chip machine controlling circuit, it is characterized in that: the supply voltage of described reduction voltage circuit power supply to external world carries out voltage transformation, and powers to input circuit, infrared detection circuit, signal processing circuit and single chip machine controlling circuit respectively; External world's input by extraneous Power supply, and is identified as high level or low level is transferred to the switching that single chip machine controlling circuit realizes light emitting diode in single chip machine controlling circuit respectively by described input circuit; Described single chip machine controlling circuit controls infrared detection circuit, signal processing circuit and output circuit; During single chip machine controlling circuit output low level, infrared detection circuit launches infrared light by infrared transmitting tube, and the reflects infrared light received by infrared receiving tube is changed into voltage signal is defeated by signal processing circuit; The voltage signal of described signal processing circuit conditioning infrared detection circuit, and this voltage signal is converted into the signal of applicable single chip machine controlling circuit collection; Single chip machine controlling circuit uses self integrated A/D converter to gather the signal that signal processing circuit transmits; During single chip machine controlling circuit output high level, output circuit exports zero, output circuit output HIGH voltage to external world during single chip machine controlling circuit output low level to external world.
2. Articles detecting circuit in a kind of intelligent cabinet cabinet according to claim 1, is characterized in that: described reduction voltage circuit comprises step-down chip U1, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the first diode D1, schottky diode D2 and inductance L 1; The model of step-down chip U1 is XL1509-5.0, and the model of the first diode D1 is IN4007, and the model of schottky diode D2 is SS14; The positive pole of the first diode D1 is connected with the positive pole of extraneous power supply, and negative pole is connected with 1 pin of step-down chip U1; One end of first electric capacity C1, the second electric capacity C2 is all connected with 1 pin of step-down chip U1, and the other end is connected with the negative pole of extraneous power supply and ground connection; The negative pole of schottky diode D2 is connected with 2 pins of step-down chip U1, plus earth; One end of inductance L 1 is connected with 2 pins of step-down chip U1, and the other end is connected with 3 pins of step-down chip U1; One end of 3rd electric capacity C3, the 4th electric capacity C4 is all connected with 3 pins of step-down chip U1, the equal ground connection of the other end; The equal ground connection of 4,5,6,7,8 pin of step-down chip U1; 3 pin output voltage of step-down chip U1.
3. Articles detecting circuit in a kind of intelligent cabinet cabinet according to claim 1, is characterized in that: described input circuit comprises integrated form schottky diode Q1 and the first resistance R1; The model of integrated form schottky diode Q1 is BAT54C; Extraneous input signal is connected with 3 pins of integrated form schottky diode Q1; One end of first resistance R1 is powered by the output voltage of reduction voltage circuit; 1,2 pins of integrated form schottky diode Q1 be all connected with the other end of the first resistance R1 and output voltage to single chip machine controlling circuit.
4. Articles detecting circuit in a kind of intelligent cabinet cabinet according to claim 1, is characterized in that: described output circuit comprises the first N-channel MOS pipe Q2, the second resistance R2, the 3rd resistance R3, the 4th resistance R4 and the 5th resistance R5; The model of the first N-channel MOS pipe Q2 is SI2300; The positive pole of the extraneous power supply of one termination of the second resistance R2, the other end is connected with the drain electrode of the 3rd resistance R3 and the first N-channel MOS pipe Q2; The other end output voltage to external world of the 3rd resistance R3; The grid of the first N-channel MOS pipe Q2 is connected with one end of the 4th resistance R4 and the 5th resistance R5; The other end of the 4th resistance R4 connects the output voltage of single chip machine controlling circuit; The other end of the 5th resistance R5, the source grounding of the first N-channel MOS pipe Q2.
5. Articles detecting circuit in a kind of intelligent cabinet cabinet according to claim 1, is characterized in that: described infrared detection circuit has three tunnels; First via infrared detection circuit comprises the first PNP type triode Q3, the first infrared transmitting tube D3, the first infrared receiving tube D4, the 6th resistance R6 and the 7th resistance R7; One end of 6th resistance R6 is connected with the output voltage of single chip machine controlling circuit, and the other end is connected with the base stage of the first PNP type triode Q3; The emitter of the first PNP type triode Q3 and the negative pole of the first infrared receiving tube D4 are powered by the output voltage of reduction voltage circuit; The collector of the first PNP type triode Q3 is connected with the positive pole of the first infrared transmitting tube D3; The positive pole of the first infrared receiving tube D4 be connected with one end of the 7th resistance R7 and output voltage to signal processing circuit; The negative pole of the first infrared transmitting tube D3 and the equal ground connection of the other end of the 7th resistance R7; Second road infrared detection circuit comprises the second PNP type triode Q4, the second infrared transmitting tube D5, the second infrared receiving tube D6, the 8th resistance R8 and the 9th resistance R9; One end of 8th resistance R8 is connected with the output voltage of single chip machine controlling circuit, and the other end is connected with the base stage of the second PNP type triode Q4; The emitter of the second PNP type triode Q4 and the negative pole of the second infrared receiving tube D6 are powered by the output voltage of reduction voltage circuit; The collector of the second PNP type triode Q4 is connected with the positive pole of the second infrared transmitting tube D5; The positive pole of the second infrared receiving tube D6 be connected with one end of the 9th resistance R9 and output voltage to signal processing circuit; The negative pole of the second infrared transmitting tube D5 and the equal ground connection of the other end of the 9th resistance R9; 3rd road infrared detection circuit comprises the 3rd PNP type triode Q5, the 3rd infrared transmitting tube D7, the 3rd infrared receiving tube D8, the tenth resistance R10 and the 11 resistance R11; One end of tenth resistance R10 is connected with the output voltage of single chip machine controlling circuit, and the other end is connected with the base stage of the 3rd PNP type triode Q5; The emitter of the 3rd PNP type triode Q5 and the negative pole of the 3rd infrared receiving tube D8 are powered by the output voltage of reduction voltage circuit; The collector of the 3rd PNP type triode Q5 is connected with the positive pole of the 3rd infrared transmitting tube D7; The positive pole of the 3rd infrared receiving tube D8 be connected with one end of the 11 resistance R11 and output voltage to signal processing circuit; The negative pole of the 3rd infrared transmitting tube D7 and the equal ground connection of the other end of the 11 resistance R11.
6. Articles detecting circuit in a kind of intelligent cabinet cabinet according to claim 1, is characterized in that: described signal processing circuit comprises analog switch U2, the second N-channel MOS pipe Q4, the first operational amplifier U3A, the second operational amplifier U3B, the 6th electric capacity C6, the 12 resistance R12, the 13 resistance R13, the 14 resistance R14, the 15 resistance R15, the 16 resistance R16 and the 17 resistance R17; The model of analog switch U2 is HEF4051, and the model of the second N-channel MOS pipe Q4 is SI2300, and the first operational amplifier U3A, the second operational amplifier U3B are respectively two operation independent amplifiers of integrated form operational amplifier LM358 inside; 13,14,15 pins of analog switch U2 are connected with the voltage output end of three road infrared detection circuits respectively; 9,10,11 pins of analog switch U2 are connected with an I/O mouth of single-chip microcomputer U4 in single chip machine controlling circuit respectively; 16 pins of analog switch U2 are connected with one end of the 6th electric capacity C6 and are powered by the output voltage of reduction voltage circuit; 6,7,8 pins of analog switch U2 and the equal ground connection of the other end of the 6th electric capacity C6; 3 pins of analog switch U2 are connected with the drain electrode of the positive input of the first operational amplifier U3A and the second N-channel MOS pipe Q4; One end of 12 resistance R12 is connected with the output voltage of single chip machine controlling circuit, and the other end is connected with the grid of the second N-channel MOS pipe Q4 and one end of the 13 resistance R13; The other end of the 13 resistance R13 and the source grounding of the second N-channel MOS pipe Q4; One end of 14 resistance R14 is connected with the reverse input end of one end of the 15 resistance R15 and the first operational amplifier U3A, other end ground connection; The other end of the 15 resistance R15 is connected with the positive input of the output terminal of the first operational amplifier U3A and the second operational amplifier U3B; One end of 16 resistance R16 is connected with the reverse input end of the second operational amplifier U3B and one end of the 17 resistance R17, other end ground connection; The output terminal of the second operational amplifier U3B be connected with the other end of the 17 resistance R17 and output voltage to single chip machine controlling circuit.
7. Articles detecting circuit in a kind of intelligent cabinet cabinet according to claim 1, is characterized in that: described single chip machine controlling circuit comprises single-chip microcomputer U4, light emitting diode D9, the 5th electric capacity C5 and the 18 resistance R18; The model of single-chip microcomputer U4 is STC15W404AS; 3 pins of single-chip microcomputer U4 connect the voltage output end of input circuit; 14 pins of single-chip microcomputer U4 connect the level signal input end of output circuit; 16,1,2 pins of single-chip microcomputer U4 connect the level signal input end of three road infrared detection circuits respectively; A0, A1, A2 pin of analog switch U2 in 11,12, the 13 pins difference connection signal treatment circuits of single-chip microcomputer U4, the model of analog switch U2 is HEF4051; Level signal input end, the voltage output end of 5, the 15 pins difference connection signal treatment circuits of single-chip microcomputer U4; 6 pins of single-chip microcomputer U4 are connected with one end of the 5th electric capacity C5 and the positive pole of light emitting diode D9, and are powered by the output voltage of reduction voltage circuit; 8 pins of single-chip microcomputer U4 and the equal ground connection of the other end of the 5th electric capacity C5; The negative pole of light emitting diode D9 is connected with one end of the 18 resistance R18; The other end of the 18 resistance R18 is connected with 4 pins of single-chip microcomputer U4.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807553.8U CN205139398U (en) | 2015-10-16 | 2015-10-16 | Thing quality control surveys circuit in intelligence cabinet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520807553.8U CN205139398U (en) | 2015-10-16 | 2015-10-16 | Thing quality control surveys circuit in intelligence cabinet |
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| CN205139398U true CN205139398U (en) | 2016-04-06 |
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| CN201520807553.8U Expired - Fee Related CN205139398U (en) | 2015-10-16 | 2015-10-16 | Thing quality control surveys circuit in intelligence cabinet |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230428A (en) * | 2016-08-31 | 2016-12-14 | 浙江宙辉电器有限公司 | A kind of infrared induction circuit |
| CN107704408A (en) * | 2017-11-27 | 2018-02-16 | 中山路得斯空调有限公司 | A kind of data acquisition storage converter based on NB IoT interfaces |
| CN111490766A (en) * | 2020-05-29 | 2020-08-04 | 大同煤矿集团衡安装备股份有限公司 | HA digital infrared correlation photoelectric switch sensor |
| CN112133079A (en) * | 2019-06-25 | 2020-12-25 | 深圳拓邦股份有限公司 | Infrared detection circuit and method |
| CN118032168A (en) * | 2024-02-22 | 2024-05-14 | 无锡北微传感科技有限公司 | Digital output module of electronic pressure scanning valve |
-
2015
- 2015-10-16 CN CN201520807553.8U patent/CN205139398U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230428A (en) * | 2016-08-31 | 2016-12-14 | 浙江宙辉电器有限公司 | A kind of infrared induction circuit |
| CN107704408A (en) * | 2017-11-27 | 2018-02-16 | 中山路得斯空调有限公司 | A kind of data acquisition storage converter based on NB IoT interfaces |
| CN112133079A (en) * | 2019-06-25 | 2020-12-25 | 深圳拓邦股份有限公司 | Infrared detection circuit and method |
| CN112133079B (en) * | 2019-06-25 | 2024-04-30 | 深圳拓邦股份有限公司 | Infrared detection circuit and method |
| CN111490766A (en) * | 2020-05-29 | 2020-08-04 | 大同煤矿集团衡安装备股份有限公司 | HA digital infrared correlation photoelectric switch sensor |
| CN118032168A (en) * | 2024-02-22 | 2024-05-14 | 无锡北微传感科技有限公司 | Digital output module of electronic pressure scanning valve |
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| CB03 | Change of inventor or designer information |
Inventor after: He Xiaoyu Inventor after: Zhu Lei Inventor after: Han Ziying Inventor after: Ruan Yujing Inventor before: Zhu Lei Inventor before: He Xiaoyu Inventor before: Han Ziying Inventor before: Ruan Yujing |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20181016 |