CN204241874U - A kind of receiving trap detected for micropore - Google Patents
A kind of receiving trap detected for micropore Download PDFInfo
- Publication number
- CN204241874U CN204241874U CN201420759659.0U CN201420759659U CN204241874U CN 204241874 U CN204241874 U CN 204241874U CN 201420759659 U CN201420759659 U CN 201420759659U CN 204241874 U CN204241874 U CN 204241874U
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- China
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- circuit
- signal amplification
- mcu control
- output
- control circuit
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Abstract
The utility model provides a kind of receiving trap detected for micropore, comprise power supply, MCU control circuit, infrared receiving circuit, signal amplification circuit, comparator circuit, output circuit and sensitivity adjusting circuit, the output terminal of infrared receiving circuit is connected with the input end of signal amplification path, the output terminal of signal amplification circuit is connected with the input end of comparator circuit, the output terminal of comparator circuit is connected with output circuit, power supply is connected with signal amplification circuit with MCU control circuit respectively, MCU control circuit and signal amplification circuit, output circuit, watchdog circuit is connected with communicating circuit.The signal that infrared receiving circuit receives completes the amplifying circuit of received IR signal by the amplifier AD629 in signal amplification circuit, digital quantity conversion is carried out through the inner AD of MCU control circuit, compare with setting threshold again, note abnormalities then output alarm signal, automatically complete the Aulomatizeted Detect of aluminium foil products, improve the work efficiency of staff.
Description
Technical field
The utility model belongs to measurement circuit design field, especially relates to a kind of receiving trap detected for micropore.
Background technology
In industrial aluminium foil shaping production run, slight crack is there is in automatic packaging operation in order to prevent packing aluminium foil used, normally by human eye, aluminium foil surface is detected, but this detection method exists shortcomings such as detection efficiency is low, waste of manpower, can not meet the demand of user.Therefore, design one and automatically can detect that the device in small opening small in aluminium foil products or crack is a problem demanding prompt solution.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of circuit design reasonably for the receiving trap of micropore detection.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of receiving trap detected for micropore, comprise power supply, MCU control circuit, infrared receiving circuit, signal amplification circuit, comparator circuit, output circuit and sensitivity adjusting circuit, the output terminal of described infrared receiving circuit is connected with the input end of described signal amplification path, the output terminal of described signal amplification circuit is connected with the input end of described comparator circuit, the output terminal of described comparator circuit is connected with described output circuit, described power supply is connected with signal amplification circuit with MCU control circuit respectively, for its power supply, described MCU control circuit is connected with output circuit with described signal amplification circuit respectively, described sensitivity adjusting circuit is connected with described signal amplification circuit, the sensitivity of control signal amplifying circuit, described MCU control circuit is connected with watchdog circuit, the normal operation of monitoring MCU control circuit, described MCU control circuit is connected with communicating circuit.
Further, described infrared receiving circuit comprises light emitting diode and operational amplifier, the input end of described operational amplifier is parallel with multiple described light emitting diode, and the output terminal of described operational amplifier is connected with the input negative terminal of described operational amplifier by resistance.
Further, the chip model of described MCU control circuit is PIC18F45K80.
Further, described communicating circuit selects MAX485 chip.
Further, the amplifier in described signal amplification circuit is AD629.
The advantage that the utility model has and good effect are: owing to adopting technique scheme, the signal that infrared receiving circuit receives completes the amplifying circuit of received IR signal by the amplifier AD629 in signal amplification circuit, digital quantity conversion is carried out through the inner AD of MCU control circuit, compare with setting threshold again, note abnormalities then output alarm signal, automatically complete the Aulomatizeted Detect of aluminium foil products, improve the work efficiency of staff.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is the circuit diagram of MCU control circuit in the utility model;
Fig. 3 is the circuit diagram of infrared receiving circuit in the utility model;
Fig. 4 is the circuit diagram of signal amplification circuit in the utility model;
Fig. 5 is the circuit diagram of comparator circuit in the utility model;
Fig. 6 is the circuit diagram of output circuit in the utility model;
Fig. 7 is the circuit diagram of the utility model medium sensitivity regulating circuit;
Fig. 8 is the circuit diagram of watchdog circuit in the utility model.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
As shown in Fig. 1 to 8, a kind of receiving trap detected for micropore, comprise power supply, MCU control circuit, infrared receiving circuit, signal amplification circuit, comparator circuit, output circuit and sensitivity adjusting circuit, the output terminal of described infrared receiving circuit is connected with the input end of described signal amplification path, the output terminal of described signal amplification circuit is connected with the input end of described comparator circuit, the output terminal of described comparator circuit is connected with described output circuit, described power supply is connected with signal amplification circuit with MCU control circuit respectively, for its power supply, described MCU control circuit is connected with output circuit with described signal amplification circuit respectively, described sensitivity adjusting circuit is connected with described signal amplification circuit, the sensitivity of control signal amplifying circuit, described MCU control circuit is connected with watchdog circuit, the normal operation of monitoring MCU control circuit, described MCU control circuit is connected with communicating circuit, described infrared receiving circuit comprises light emitting diode and operational amplifier, the input end of described operational amplifier is parallel with multiple described light emitting diode, the output terminal of described operational amplifier is connected with the input negative terminal of described operational amplifier by resistance, the chip model of described MCU control circuit is PIC18F45K80, described communicating circuit selects MAX485 chip, amplifier in described signal amplification circuit is AD629.
During use, received IR signal is received by infrared receiving circuit, received IR signal is by after the amplifier AD629 in signal amplification circuit, export to comparator circuit and MCU control circuit, comparator circuit outputs to output circuit after comparing the signal exported, the signal that signal amplification circuit exports by MCU control circuit carries out digital quantity conversion through the inner AD of MCU control circuit, compare with setting threshold again, if noted abnormalities, MCU control circuit outputting alarm signal, if without exception, MCU control circuit exports run signal, MCU control circuit controls output circuit and is exported by signal, sensitivity adjusting circuit is by the sensitivity of VR1 conditioning signal amplifying circuit wherein, watchdog circuit can monitor the normal operation of MCU control circuit.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (5)
1. the receiving trap detected for micropore, it is characterized in that: comprise power supply, MCU control circuit, infrared receiving circuit, signal amplification circuit, comparator circuit, output circuit and sensitivity adjusting circuit, the output terminal of described infrared receiving circuit is connected with the input end of described signal amplification path, the output terminal of described signal amplification circuit is connected with the input end of described comparator circuit, the output terminal of described comparator circuit is connected with described output circuit, described power supply is connected with signal amplification circuit with MCU control circuit respectively, described MCU control circuit is connected with output circuit with described signal amplification circuit respectively, described sensitivity adjusting circuit is connected with described signal amplification circuit, described MCU control circuit is connected with watchdog circuit, described MCU control circuit is connected with communicating circuit.
2. a kind of receiving trap detected for micropore according to claim 1, it is characterized in that: described infrared receiving circuit comprises light emitting diode and operational amplifier, the input end of described operational amplifier is parallel with multiple described light emitting diode, and the output terminal of described operational amplifier is connected with the input negative terminal of described operational amplifier by resistance.
3. a kind of receiving trap detected for micropore according to claim 1 and 2, is characterized in that: the chip model of described MCU control circuit is PIC18F45K80.
4. a kind of receiving trap detected for micropore according to claim 1 and 2, is characterized in that: described communicating circuit selects MAX485 chip.
5. a kind of receiving trap detected for micropore according to claim 1 and 2, is characterized in that: the amplifier in described signal amplification circuit is AD629.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420759659.0U CN204241874U (en) | 2014-12-04 | 2014-12-04 | A kind of receiving trap detected for micropore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420759659.0U CN204241874U (en) | 2014-12-04 | 2014-12-04 | A kind of receiving trap detected for micropore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204241874U true CN204241874U (en) | 2015-04-01 |
Family
ID=52771343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420759659.0U Expired - Fee Related CN204241874U (en) | 2014-12-04 | 2014-12-04 | A kind of receiving trap detected for micropore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204241874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717808B (en) * | 2014-12-04 | 2018-03-27 | 天津市品通电力科技有限公司 | A kind of reception device for micropore detection |
-
2014
- 2014-12-04 CN CN201420759659.0U patent/CN204241874U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717808B (en) * | 2014-12-04 | 2018-03-27 | 天津市品通电力科技有限公司 | A kind of reception device for micropore detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20191204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |