CN201069367Y - Sensor special for logistics transfer - Google Patents
Sensor special for logistics transfer Download PDFInfo
- Publication number
- CN201069367Y CN201069367Y CNU2007200915415U CN200720091541U CN201069367Y CN 201069367 Y CN201069367 Y CN 201069367Y CN U2007200915415 U CNU2007200915415 U CN U2007200915415U CN 200720091541 U CN200720091541 U CN 200720091541U CN 201069367 Y CN201069367 Y CN 201069367Y
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Abstract
The utility model relates to a sensor special for logistic transportation which comprises a shell, a power input wire and a signal output wire. A sensor circuit is also provided inside the shell and comprises a phase-locking frequency discrimination and oscillation transmission circuit, an infrared modulation light reception and signal amplification circuit, and a one-shot output circuit with the output terminal connected with the signal output wire. The output terminal of the signal amplification circuit is connected with the signal input terminal of the phase-locking frequency discrimination circuit, and the output of the phase-locking frequency discrimination circuit is connected with one input terminal of a comparator inside the one-shot output circuit. An analog trigger circuit is connected at the connection node of the input terminal of the comparator inside the one-shot output circuit and the output terminal of the phase-locking frequency discrimination circuit. An analog switch of the analog trigger circuit is arranged at the outer side wall of the sensor shell. The utility model is based on the existing sensor with the addition of the debugging button and can greatly increase the debugging efficiency with small increase in structural cost, is easy to operate, and is widely used in the fields of industrial and agricultural productions and logistic transportation and control.
Description
One, technical field:
The utility model relates to a kind of sensor, particularly relates to the special-purpose sensor of a kind of logistics transmission.
Two, background technology:
Present sensor kind is a lot, is widely used in industrial and agricultural production process control field.The logistics transmission is used to sensor existing photoelectric sensor, especially the infrared induction photoelectric sensors of adopting that detect, count as an emerging industry at present.The disclosed a kind of modulation type infrared photoelectric sensor of China utility model patent: ZL200420031719.3, Granted publication CN 2695917Y is made up of emission, signal frequency-selecting and the reception of modulated infrared light, the comparison and output three partial circuits of signal.Use the utility model not to be subjected to the interference of external environment sunlight, light etc., sensor can make correlation, also can make reflectively, has the advantages that circuit is simple, volume is little, cost is low.Can be used as the acquisition sensor in automatic door bell and the intelligent toy, also can be used on packing or the automatic assembly line, as logistics counting, detecting sensor.But because the logistics transmission is a special industry, piping erection is intricate and how in indoor eminence, inconveniently between the early stage limber up period produce a signal by artificial simulation, therefore the unusual inconvenience of the debugging of present logistics transmission control procedures as present Industry Control debugging.
Three, utility model content:
Defective at present prior art logistics transmission sensor inconvenient debugging, the utility model proposes a kind of logistics transmission sensor special, on existing sensor basis, increase the analog switch that is used for the process debugging, increase substantially debugging efficiency, easy to install.
The technical solution adopted in the utility model:
A kind of logistics transmission sensor special, contain input of sensor housing and power supply and signal output lead, sensor housing inner sensor circuit comprises phase-locked frequency discrimination and vibration radiating circuit, infrared modulation light-receiving and signal amplification circuit and output terminal connect the monostable output circuit of signal output lead, wherein the output terminal of signal amplification circuit connects the signal input part of phase-locked frequency-discriminating circuit, the output terminal of phase-locked frequency-discriminating circuit connects an input end of comparer in the monostable output circuit, the connected node place of this input end of comparer and phase-locked frequency-discriminating circuit output terminal is connected with analog trigger circuitry in monostable output circuit, and the analog switch of described analog trigger circuitry is installed in the sensor housing lateral wall.
Described logistics transmission sensor special, the surface of contact of sensor housing and pipeline connection is a cambered surface.
Described logistics transmission sensor special, sensor housing is made by metal material.
Described logistics transmission sensor special, phase-locked frequency discrimination and vibration radiating circuit adopt integrated circuit (IC) chip LM567, the oscillator signal output pin of LM567 is through the be of coupled connections base stage of transistor amplifier Q of resistance, the grounded emitter of transistor amplifier Q, be connected infrared-emitting diode T between the output terminal of power regulator module in its collector and the circuit, infrared modulation light-receiving and signal amplification circuit contain infrared receiving diode and integrated operational amplifier IC2A, are connected in output terminal and the infrared receiving diode between the ground and the current-limiting resistance R of power regulator module
2Node connect the inverting input of integrated operational amplifier IC2A, the in-phase input end of integrated operational amplifier IC2A inserts reference voltage signal, the output terminal of integrated operational amplifier IC2A inserts the input end of LM567, the output terminal differential concatenation diode D of LM567
2Connect the in-phase input end of monostable output circuit comparer IC2B, described analog trigger circuitry is by diode D
3Series connection analog switch S forms, and is connected between the in-phase input end and ground of comparer IC2B in the monostable output circuit.
Described logistics transmission sensor special, the reference voltage signal of integrated operational amplifier IC2A is by being connected in infrared receiving diode and current-limiting resistance R in infrared modulation light-receiving and the signal amplification circuit
2Node and the resistance R between the ground
3With capacitor C
3Resistance R is provided
3With capacitor C
3Node connect the in-phase input end of integrated operational amplifier IC2A.
The beneficial effects of the utility model:
1, the utility model is by increasing the debugging button on existing sensor basis, seldom increase the infrastructure cost of sensor, but increased substantially debugging efficiency, easy to use, the debugging of production control process can be carried out in the laboratory before installing, and helps product development and reaches check to control procedure.Can be widely used in industrial and agricultural production and logistics transmission control field.
2, the surface of contact of the utility model sensor and pipeline connection is a cambered surface, be more convenient for fixing, and the distance between detected object is short corresponding signal intensity and the reliability of having increased; Housing can adopt metal material, makes it to have the electrostatic screening effect, strengthens antijamming capability.
Four, description of drawings:
Fig. 1: logistics transmission sensor special circuit block diagram
Fig. 2: logistics transmission sensor special housing three-view diagram
Fig. 3: logistics transmission sensor special circuit theory diagrams
Five, embodiment:
Embodiment one: referring to Fig. 1, be the utility model logistics transmission sensor special circuit block diagram.The utility model logistics transmission sensor special, be provided with power supply input and the signal output lead that is connected with its internal circuit at sensor housing, sensor housing inner sensor circuit comprises phase-locked frequency discrimination and vibration radiating circuit, infrared modulation light-receiving and signal amplification circuit and output terminal connect the monostable output circuit of signal output lead, wherein the output terminal of signal amplification circuit connects the signal input part of phase-locked frequency-discriminating circuit, the output terminal of phase-locked frequency-discriminating circuit connects an input end of comparer in the monostable output circuit, the utility model to the breakthrough of prior art is: the connected node place of this input end of comparer and phase-locked frequency-discriminating circuit output terminal is connected with analog trigger circuitry in monostable output circuit, and the analog switch of analog trigger circuitry is installed in the sensor housing lateral wall.But send signal by operation simulation switch people for making sensor, convenient debugging.
Referring to Fig. 2, be the utility model logistics transmission sensor special housing three-view diagram, wherein 1 is power light, 2 is analog switch, and 3 is signal lamp, and 4,5 are respectively infrared emission, infrared receiving diode, 6 are power supply input and signal output lead, and 7 is sensor housing.For convenience with the installation of logistics transmission pipeline, sensor housing 7 is a cambered surface with the surface of contact of pipeline connection.When sensor housing adopts metal material to make, have the electrostatic screening effect, strengthened the sensor antijamming capability.
Fig. 3 is the utility model logistics transmission sensor special circuit theory diagrams.This sensor uses DC power supply, 9v-24v all can, power supply through integrated regulator IC1 voltage stabilizing to direct current 5V as operating voltage, diode D
1Be for preventing that the power supply reversal connection from shielding.LED P is the power work indication.IC3 exports a modulation signal by 5 pin and is sent by infrarede emitting diode T through transistor Q amplification again.
When in the 1-12 cm range object being arranged before infrared receiving diode R and infrarede emitting diode T, infrared receiving diode R receives the modulation signal that reflects back through object, amplifies through integrated operational amplifier IC2A, through capacitor C
4The coupling phase-locked frequency discrimination of input and vibration radiating circuit IC3 (adopting integrated circuit (IC) chip LM567), wherein resistance R
3, capacitor C
3Can (disturb light strong capacitive C with the variation sampled signal of working environment
3Carried charge big, disturb light weak capacitive C
3Carried charge little, capacitor C
3Carried charge very little to the amplification of signal influence), reduce the interference of surround lighting to sensor.Regulate resistance R
6The detection distance of the whole sensor of adjustable size.
When sampled signal was consistent with emission signal frequency, low level of 8 pin output of phase-locked frequency discrimination and vibration radiating circuit IC3 was through resistance R
7, R
8, R
9, capacitor C
8, the monostable output circuit that comparer IC2B forms obtains a low level signal that continues 0.5 second as output signal.When pressing, button S also can produce a low level signal that continues 0.5 second as output signal.Light emitting diode W indicating operating status.
Claims (5)
1. sensor special is transmitted in a logistics, contain input of sensor housing and power supply and signal output lead, sensor housing inner sensor circuit comprises phase-locked frequency discrimination and vibration radiating circuit, infrared modulation light-receiving and signal amplification circuit and output terminal connect the monostable output circuit of signal output lead, wherein the output terminal of signal amplification circuit connects the signal input part of phase-locked frequency-discriminating circuit, the output terminal of phase-locked frequency-discriminating circuit connects an input end of comparer in the monostable output circuit, it is characterized in that: the connected node place of this input end of comparer and phase-locked frequency-discriminating circuit output terminal is connected with analog trigger circuitry in monostable output circuit, and the analog switch of described analog trigger circuitry is installed in the sensor housing lateral wall.
2. logistics transmission sensor special according to claim 1, it is characterized in that: the surface of contact of described sensor housing and pipeline connection is a cambered surface.
3. logistics transmission sensor special according to claim 1 and 2, it is characterized in that: described sensor housing is made by metal material.
4. logistics transmission sensor special according to claim 1, it is characterized in that: phase-locked frequency discrimination and vibration radiating circuit adopt integrated circuit (IC) chip LM567, the oscillator signal output pin of LM567 is through the be of coupled connections base stage of transistor amplifier Q of resistance, the grounded emitter of transistor amplifier Q, be connected infrared-emitting diode T between the output terminal of power regulator module in its collector and the circuit, infrared modulation light-receiving and signal amplification circuit contain infrared receiving diode and integrated operational amplifier IC2A, are connected in output terminal and the infrared receiving diode between the ground and the current-limiting resistance R of power regulator module
2Node connect the inverting input of integrated operational amplifier IC2A, the in-phase input end of integrated operational amplifier IC2A inserts reference voltage signal, the output terminal of integrated operational amplifier IC2A inserts the input end of LM567, the output terminal differential concatenation diode D of LM567
2Connect the in-phase input end of monostable output circuit comparer IC2B, described analog trigger circuitry is by diode D
3Series connection analog switch S forms, and is connected between the in-phase input end and ground of comparer IC2B in the monostable output circuit.
5. logistics transmission sensor special according to claim 4, it is characterized in that: the reference voltage signal of integrated operational amplifier IC2A is by being connected in infrared receiving diode and current-limiting resistance R in infrared modulation light-receiving and the signal amplification circuit
2Node and the resistance R between the ground
3With capacitor C
3Resistance R is provided
3With capacitor C
3Node connect the in-phase input end of integrated operational amplifier IC2A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200915415U CN201069367Y (en) | 2007-08-20 | 2007-08-20 | Sensor special for logistics transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200915415U CN201069367Y (en) | 2007-08-20 | 2007-08-20 | Sensor special for logistics transfer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201069367Y true CN201069367Y (en) | 2008-06-04 |
Family
ID=39490756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200915415U Expired - Lifetime CN201069367Y (en) | 2007-08-20 | 2007-08-20 | Sensor special for logistics transfer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201069367Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231573A (en) * | 2011-07-13 | 2011-11-02 | 武汉武新电气科技有限公司 | Energy supply power source suitable for small current online power acquisition |
| CN107535373A (en) * | 2017-09-08 | 2018-01-05 | 中国农业科学院兰州畜牧与兽药研究所 | A kind of self-measuring device for livestock drinking-water |
-
2007
- 2007-08-20 CN CNU2007200915415U patent/CN201069367Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231573A (en) * | 2011-07-13 | 2011-11-02 | 武汉武新电气科技有限公司 | Energy supply power source suitable for small current online power acquisition |
| CN102231573B (en) * | 2011-07-13 | 2013-10-02 | 武汉武新电气科技有限公司 | Energy supply power source suitable for small current online power acquisition |
| CN107535373A (en) * | 2017-09-08 | 2018-01-05 | 中国农业科学院兰州畜牧与兽药研究所 | A kind of self-measuring device for livestock drinking-water |
| CN107535373B (en) * | 2017-09-08 | 2024-02-23 | 中国农业科学院兰州畜牧与兽药研究所 | Automatic metering device for livestock drinking water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080604 |
|
| CX01 | Expiry of patent term |