CN205333886U - Frequency optional correlation formula photoelectric sensor - Google Patents
Frequency optional correlation formula photoelectric sensor Download PDFInfo
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- CN205333886U CN205333886U CN201521058352.9U CN201521058352U CN205333886U CN 205333886 U CN205333886 U CN 205333886U CN 201521058352 U CN201521058352 U CN 201521058352U CN 205333886 U CN205333886 U CN 205333886U
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- audio decoder
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Abstract
The utility model relates to a frequency optional correlation formula photoelectric sensor, the transmitter is the frequency of operation that the user wants through the selection of regulation frequency regulation arrangement, singlechip I detects the level height of selecting frequency input circuit I, send corresponding potentiometre value and give accent digital potentiometer circuit I, with the resistance value that changes digital potentiometer, audio decoder oscillation circuit I is according to the difference of resistance value, can produce corresponding "Frequency", I work of drive launching tube drive circuit, send the signal of the frequency that the user selects. The receiver was received behind the signal and to be received amplifier circuit II through the receiver tube and handle the back, and whether signal input matees rather than the "Frequency" of itself through incoming signal relatively to audio decoder oscillation circuit II, audio decoder oscillation circuit II, can be at output analog output signal, and the singlechip is II through driving II signal input 1 switch break -makes of signal input 0 to this signal processing. This frequency optional correlation formula photoelectric sensor construction is simple and easy, the installation is swift.
Description
Technical field
This utility model relates to a kind of photoswitch, particularly relates to the correlation photoelectric sensor that a kind of optional frequency is selected, for object with or without numerous areas such as detection, automatically-controlled door sensing and security protections。
Background technology
Correlation photoswitch is a kind of sensor, and whether it can detect and block between transmitting terminal and receiving terminal, and the on off operating mode of output light path。Along with developing rapidly of door industry, the requirement for its security protection is also more and more higher, is also increasing in the tricks often overlapping the emission sensor used on door, is bringing problems therewith:
1) cross-interference issue: many set switches are closely installed, all emitters are when same one end, when object blocks a wherein emitter, corresponding receptor is owing to have received the signal that other emitter sends, and think do not have object to block light path, which results in correlation switch and can not normally detect output, thus causing potential safety hazard；
2) for problem 1, current user adopts the method that intersection is installed to solve cross-interference issue, namely receptor installed by the another set of switch of emitter terminals that adjacent two set switches are a set of, but in actual application process, appear in certain distance, when having object to block, the emitter making same one end owing to object is reflective defines unrestrained anti-with receptor, receptor receives the optical signal that object returns, and think do not have object to block light path, which results in correlation switch and can not normally detect output, thus causing potential safety hazard。
Summary of the invention
In view of the deficiency that prior art exists, this utility model provides the correlation photoelectric sensor that a kind of optional frequency is selected, the emitter of same frequency is only had response by its receptor, adopt adjacent two set correlation switch-mode regulation to become the mode of different frequency, solve many set combinations and a difficult problem for hidden danger is installed。
This utility model is for achieving the above object, be the technical scheme is that the correlation photoelectric sensor that a kind of optional frequency is selected, it is characterised in that: including emitter and receptor, emitter is arranged in housing I, receptor is arranged in housing II, and receptor receives launcher signal；
Described emitter includes transmitter module, power module I, power module I provides power supply for transmitter module, described transmitter module includes single-chip microcomputer I, selects frequency input circuit I, adjusts digital regulation resistance circuit I, transmitting tube drive circuit I, audio decoder oscillating circuit I, and circuit is connected as: described selection frequency input circuit I passes sequentially through single-chip microcomputer I, adjusts digital regulation resistance circuit I, audio decoder oscillating circuit I to be connected with transmitting tube drive circuit I；
Described receptor includes receiver module, power module II, power module II provides power supply for receiver module, described receiver module includes single-chip microcomputer II, select frequency input circuit II, adjust digital regulation resistance circuit II, audio decoder oscillating circuit II, receive pipe and receive amplifying circuit II, output control circuit II, circuit is connected as: described single-chip microcomputer II respectively with select frequency input circuit II, adjust digital regulation resistance circuit II, audio decoder oscillating circuit II, output control circuit II connects, described audio decoder oscillating circuit II respectively with adjust digital regulation resistance circuit II, receive pipe reception amplifying circuit II to connect；
The emitter that optional frequency is selected is the operating frequency that user passes through that regulating frequency adjustment device selects to want, single-chip microcomputer I detects the level height selecting frequency input circuit I, send corresponding potentiometer value to adjusting digital regulation resistance circuit I, to change the resistance value of digital regulation resistance, the audio decoder oscillating circuit I difference according to resistance value, corresponding frequency of oscillation can be produced, drive transmitting tube drive circuit I to work, send the signal of user-selected frequency；
The receptor that optional frequency is selected is that user regulates, by regulating frequency, the operating frequency that device selection is identical with the emitter that optional frequency is selected, single-chip microcomputer II detects the level height selecting frequency input circuit II, send corresponding potentiometer value to adjusting digital regulation resistance circuit II, to change the resistance value of digital regulation resistance, the audio decoder oscillating circuit II difference according to resistance value, corresponding frequency of oscillation can be produced, the receptor that optional frequency is selected receives after amplifying circuit II process through reception pipe after receiving signal, signal is input to audio decoder oscillating circuit II, whether audio decoder oscillating circuit II is mated by comparator input signal frequency of oscillation with itself, analogue signal can be exported at outfan, single-chip microcomputer II is by driving output control circuit II to control sensing switch break-make this signal processing。
Advantage of the present utility model and having the benefit effect that
1, the correlation photoelectric sensor construction that this optional frequency is selected is simple and easy, quick for installation。
2, the correlation photoelectric sensor adjustable that this optional frequency is selected is launched, is received signal frequency, and the transmitting signal of same frequency is only responded by receptor, not by the interference launching signal of adjacent different frequency。
Accompanying drawing explanation
Fig. 1 is that circuit of the present utility model connects block diagram；
Fig. 2 is the outside drawing of this utility model emitter；
Fig. 3 is the enlarged drawing of the frequency regulation arrangement in Fig. 2 A；
Fig. 4 is the outside drawing of this utility model receptor；
Fig. 5 is the enlarged drawing of the frequency regulation arrangement in Fig. 4 B；
Fig. 6 is use view of the present utility model。
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model being further described, it is necessary to explanation, this example is illustrative, rather than determinate, it is impossible to limit protection domain of the present utility model with this。
As shown in Figures 1 to 5, the correlation photoelectric sensor that a kind of optional frequency is selected, including emitter and receptor, emitter is arranged in housing I 1, and receptor is arranged in housing II 2, and receptor receives launcher signal。
Emitter includes transmitter module, power module I, and power module I provides power supply for transmitter module。
Transmitter module includes single-chip microcomputer I, selects frequency input circuit I, adjusts digital regulation resistance circuit I, transmitting tube drive circuit I, audio decoder oscillating circuit I, and circuit is connected as: selects frequency input circuit I to pass sequentially through single-chip microcomputer I, adjust digital regulation resistance circuit I, audio decoder oscillating circuit I to be connected with transmitting tube drive circuit I。
Receptor includes receiver module, power module II, and power module II provides power supply for receiver module。
Receiver module includes single-chip microcomputer II, selects frequency input circuit II, adjusts digital regulation resistance circuit II, audio decoder oscillating circuit II, receives pipe reception amplifying circuit II, output control circuit II, circuit is connected as: single-chip microcomputer II is connected with selecting frequency input circuit II, tune digital regulation resistance circuit II, audio decoder oscillating circuit II, output control circuit II respectively, and audio decoder oscillating circuit II is connected with adjusting digital regulation resistance circuit II, reception pipe reception amplifying circuit II respectively。
The emitter that optional frequency is selected is the operating frequency that user passes through that regulating frequency adjustment device selects to want, single-chip microcomputer I detects the level height selecting frequency input circuit I, send corresponding potentiometer value to adjusting digital regulation resistance circuit I, to change the resistance value of digital regulation resistance, the audio decoder oscillating circuit I difference according to resistance value, corresponding frequency of oscillation can be produced, drive transmitting tube drive circuit I to work, send the signal of user-selected frequency。
The receptor that optional frequency is selected is that user regulates, by regulating frequency, the operating frequency that device selection is identical with the emitter that optional frequency is selected, single-chip microcomputer II detects the level height selecting frequency input circuit II, send corresponding potentiometer value to adjusting digital regulation resistance circuit II, to change the resistance value of digital regulation resistance, the audio decoder oscillating circuit II difference according to resistance value, corresponding frequency of oscillation can be produced, the receptor that optional frequency is selected receives after amplifying circuit II process through reception pipe after receiving signal, signal is input to audio decoder oscillating circuit II, whether audio decoder oscillating circuit II is mated by comparator input signal frequency of oscillation with itself, analogue signal can be exported at outfan, single-chip microcomputer II is by driving output control circuit II to control sensing switch break-make this signal processing。
The optional frequency of emitter is selected, and the optional frequency of receptor is selected, and the frequency that the frequency of emitter is identical with the frequency furnishing of receptor is mounted opposite formation light-path, and receptor is by judging the presence or absence of the on off operating mode detection object of light-path。
Emitter can launch the optical signal of two kinds of frequencies, and described receptor can receive and the optical signal of emitter same frequency。
The tranmitting frequency of emitter selects frequency regulation arrangement I 1-1 in frequency input circuit I to set the frequency launching signal by regulating, and the reception frequency of receptor selects frequency regulation arrangement II 2-1 in frequency input circuit II to set the frequency receiving signal by regulating。
Frequency regulation arrangement clockwise or counterclockwise, has the frequency monitoring input of different voltage signal input single-chip microcomputers, through the process of down-stream, is adjusted to the frequency of needs。
Mounting means is referring to Fig. 6, at the two ends of doorframe 3, is respectively mounted two emitters 1, and emitter 1 frequency on the right side of doorframe 3 is A frequency, and emitter 1 frequency on the left of doorframe 3 is B frequency。
At the two ends of doorframe 4, being respectively mounted two receptors 2, receptor 2 frequency on the right side of doorframe 4 is A frequency, and receptor 2 frequency on the left of doorframe 4 is B frequency。
When door body 5 is in and closes the door kinestate, dolly is had to sail into from road side, dolly blocks the transmitting signal of the emitter 1 on the right side of doorframe 3, although the receptor 2 on the right side of corresponding doorframe 4 still can receive the signal that on the left of doorframe 3, emitter 1 sends, but the signal that emitter 1 on the left of doorframe 3 is sent is not responding to, because frequency is different, it is still and thinks have object to block light path, thus output light path cut-off signal, control door body 5 stop motion, it is ensured that the safety of dolly is sailed into。
On the contrary, dolly is had to roll away from from road opposite side, dolly blocks the transmitting signal of the emitter 1 on the left of doorframe 3, although the receptor 2 on the left of corresponding doorframe 4 still can receive the signal that on the right side of doorframe 3, emitter 1 sends, but the signal that emitter 1 on the right side of doorframe 3 is sent is not responding to, because frequency is different, it is still and thinks have object to block light path, thus output light path cut-off signal, control door body 5 stop motion, it is ensured that the safety of dolly is rolled away from。
The correlation photoelectric sensor that optional frequency is selected uses audio decoder principle, the optical signal that the emitter that the optional frequency of receptor 2 the same frequency of response is selected sends, when many set sensor combinations are installed, adjacent two set sensors can the different frequency of furnishing, efficiently solve the hidden danger that cross-interference issue brings。
Claims (4)
1. the correlation photoelectric sensor that an optional frequency is selected, it is characterised in that: including emitter and receptor, emitter is arranged in housing I (1), and receptor is arranged in housing II (2), and receptor receives launcher signal；
Described emitter includes transmitter module, power module I, power module I provides power supply for transmitter module, described transmitter module includes single-chip microcomputer I, selects frequency input circuit I, adjusts digital regulation resistance circuit I, transmitting tube drive circuit I, audio decoder oscillating circuit I, and circuit is connected as: described selection frequency input circuit I passes sequentially through single-chip microcomputer I, adjusts digital regulation resistance circuit I, audio decoder oscillating circuit I to be connected with transmitting tube drive circuit I；
Described receptor includes receiver module, power module II, power module II provides power supply for receiver module, described receiver module includes single-chip microcomputer II, select frequency input circuit II, adjust digital regulation resistance circuit II, audio decoder oscillating circuit II, receive pipe and receive amplifying circuit II, output control circuit II, circuit is connected as: described single-chip microcomputer II respectively with select frequency input circuit II, adjust digital regulation resistance circuit II, audio decoder oscillating circuit II, output control circuit II connects, described audio decoder oscillating circuit II respectively with adjust digital regulation resistance circuit II, receive pipe reception amplifying circuit II to connect；
The emitter that optional frequency is selected is the operating frequency that user passes through that regulating frequency adjustment device selects to want, single-chip microcomputer I detects the level height selecting frequency input circuit I, send corresponding potentiometer value to adjusting digital regulation resistance circuit I, to change the resistance value of digital regulation resistance, the audio decoder oscillating circuit I difference according to resistance value, corresponding frequency of oscillation can be produced, drive transmitting tube drive circuit I to work, send the signal of user-selected frequency；
The receptor that optional frequency is selected is that user regulates, by regulating frequency, the operating frequency that device selection is identical with the emitter that optional frequency is selected, single-chip microcomputer II detects the level height selecting frequency input circuit II, send corresponding potentiometer value to adjusting digital regulation resistance circuit II, to change the resistance value of digital regulation resistance, the audio decoder oscillating circuit II difference according to resistance value, corresponding frequency of oscillation can be produced, the receptor that optional frequency is selected receives after amplifying circuit II process through reception pipe after receiving signal, signal is input to audio decoder oscillating circuit II, whether audio decoder oscillating circuit II is mated by comparator input signal frequency of oscillation with itself, analogue signal can be exported at outfan, single-chip microcomputer II is by driving output control circuit II to control sensing switch break-make this signal processing。
2. the correlation photoelectric sensor that a kind of optional frequency according to claim 1 is selected, it is characterized in that: the optional frequency of described emitter is selected, the optional frequency of receptor is selected, the frequency that the frequency of emitter is identical with the frequency furnishing of receptor, being mounted opposite formation light-path, receptor is by judging the presence or absence of the on off operating mode detection object of light-path。
3. the correlation photoelectric sensor that a kind of optional frequency according to claim 1 is selected, it is characterised in that: described emitter can launch the optical signal of two kinds of frequencies, and described receptor can receive and the optical signal of emitter same frequency。
4. the correlation photoelectric sensor that a kind of optional frequency according to claim 1 is selected, it is characterized in that: the tranmitting frequency of described emitter selects the potentiometer (1-1) in frequency input circuit I to set the frequency launching signal by regulating, the reception frequency of described receptor selects the potentiometer (2-1) in frequency input circuit II to set the frequency receiving signal by regulating。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521058352.9U CN205333886U (en) | 2015-12-18 | 2015-12-18 | Frequency optional correlation formula photoelectric sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521058352.9U CN205333886U (en) | 2015-12-18 | 2015-12-18 | Frequency optional correlation formula photoelectric sensor |
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| Publication Number | Publication Date |
|---|---|
| CN205333886U true CN205333886U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521058352.9U Expired - Fee Related CN205333886U (en) | 2015-12-18 | 2015-12-18 | Frequency optional correlation formula photoelectric sensor |
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| CN (1) | CN205333886U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627881A (en) * | 2017-03-15 | 2018-10-09 | 欧姆龙株式会社 | Photoelectric sensor |
| CN108809288A (en) * | 2018-06-14 | 2018-11-13 | 天津杰泰高科传感技术有限公司 | Superminiature is to penetrating optoelectronic switch |
| CN106291739B (en) * | 2016-08-24 | 2019-03-22 | 上海兰宝传感科技股份有限公司 | A kind of correlation photoelectric sensor and its anti-interference method |
| CN110954970A (en) * | 2019-12-18 | 2020-04-03 | 北京悦方科技有限公司 | Object detection method, device, system and equipment for waterslide |
| CN113567781A (en) * | 2021-07-17 | 2021-10-29 | 深圳市志奋领科技有限公司 | Anti-interference method and system for photoelectric sensor |
-
2015
- 2015-12-18 CN CN201521058352.9U patent/CN205333886U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291739B (en) * | 2016-08-24 | 2019-03-22 | 上海兰宝传感科技股份有限公司 | A kind of correlation photoelectric sensor and its anti-interference method |
| CN108627881A (en) * | 2017-03-15 | 2018-10-09 | 欧姆龙株式会社 | Photoelectric sensor |
| US10386535B2 (en) | 2017-03-15 | 2019-08-20 | Omron Corporation | Photoelectric sensor |
| CN108627881B (en) * | 2017-03-15 | 2019-12-24 | 欧姆龙株式会社 | Photoelectric sensor |
| CN108809288A (en) * | 2018-06-14 | 2018-11-13 | 天津杰泰高科传感技术有限公司 | Superminiature is to penetrating optoelectronic switch |
| CN110954970A (en) * | 2019-12-18 | 2020-04-03 | 北京悦方科技有限公司 | Object detection method, device, system and equipment for waterslide |
| CN113567781A (en) * | 2021-07-17 | 2021-10-29 | 深圳市志奋领科技有限公司 | Anti-interference method and system for photoelectric sensor |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20181218 |