CN205642556U - A level sensor for detecting liquid level information in train vacuum toilet waste collection device bedpan - Google Patents
A level sensor for detecting liquid level information in train vacuum toilet waste collection device bedpan Download PDFInfo
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- CN205642556U CN205642556U CN201620472782.3U CN201620472782U CN205642556U CN 205642556 U CN205642556 U CN 205642556U CN 201620472782 U CN201620472782 U CN 201620472782U CN 205642556 U CN205642556 U CN 205642556U
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- liquid level
- level sensor
- bedpan
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Abstract
The utility model discloses a level sensor for detecting liquid level information in train vacuum toilet waste collection device bedpan, including optical transmission module, it launches light signal to the vehicle excrement collector who awaits measuring, vehicle excrement collector's the high position department that predetermines installs optical receiver module, optical receiver module is the signal of telecommunication with the light signal conversion of received optical transmission module transmission to transmit to output module through signal conditioning module, be high -order or the low level by output module output liquid level, output module includes first switch tube, the control end of first switch tube links to each other with signal conditioning module's output, and the one end of first switch tube is passed through pull -up resistance and is linked to each other other end ground connection with the power, the one end of first switch tube is located to do with the tie point of pull -up resistance level sensor's first output, the one end of first switch tube ground connection is still continuous with the positive pole of diode, and the negative pole of diode does level sensor's second output.
Description
Technical field
This utility model belongs to electronic device field, particularly relates to a kind of liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan.
Background technology
Liquid level sensor is a kind of sensor for detecting liquid level signal, current level sensor can be divided into mechanical type and electronic type, but in being train vacuum excrement collector bedpan due to application scenario, space is less, in liquid, floating thing is many, vibrations are relatively big, and the situations such as wrong report, fault easily occurs in conventional liquid level sensor.Therefore, in order to more accurately and reliably detection train vacuum excrement collector bedpan in liquid level information, need a kind of special liquid level sensor for this occasion badly.
Liquid level sensor is a kind of pressure transducer measuring liquid level.Static pressure throw-in type liquid transmitter is the principle proportional to the height of this liquid based on surveyed fluid pressure, use external advanced isolated form diffusion silicon-sensitive element or ceramic capacitive pressure sensitive sensor, static pressure is converted to the signal of telecommunication, again through temperature-compensating and linear correction, change into standard electric signal.What above-mentioned liquid level sensor was detected is all the liquid level of liquid, but for the detection of liquid level information in vehicle toilet waste collector, also comprising a lot of floating thing owing to not only comprising liquid in vehicle toilet waste collector, if using traditional pressure transducer, then can affect the accuracy of detection of liquid level sensor.Therefore, in order to be more accurately detected liquid level information in vehicle toilet waste collector, a kind of research and development liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan is needed badly.
Utility model content
In order to solve the shortcoming of prior art, this utility model provide a kind of simple in construction and accuracy of detection high for detecting the liquid level sensor of liquid level information in train vacuum excrement collector bedpan.
For achieving the above object, this utility model is by the following technical solutions:
A kind of liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan, including light emission module, it launches optical signal to vehicle toilet waste collector to be measured；The preset height position of described vehicle toilet waste collector is provided with Optical Receivers；
The optical signal that the light emission module received is launched is converted to the signal of telecommunication by described Optical Receivers, and through Signal-regulated kinase transmission to output module, output module output liquid level is high-order or low level；
Described output module includes the first switching tube, and the end that controls of described first switching tube is connected with the outfan of Signal-regulated kinase, and one end of the first switching tube is connected with power supply by pull-up resistor, other end ground connection；It it is the first outfan of described liquid level sensor at described one end of first switching tube and the junction point of pull-up resistor；
One end of described first switching tube ground connection is also connected with the anode of diode, and the negative electrode of diode is the second outfan of described liquid level sensor.
Described Optical Receivers includes that photo-sensitive cell, described photo-sensitive cell are photoconductive resistance, optical diode, photoelectric crystal, CCD or CMOS.
Described light emission module is wideband spectrum light source or narrow frequency spectrum light source.
Described light emission module also includes that optical signal regulates circuit, and described optical signal regulation circuit is for adjusting intensity and the phase place of optical signal.
Described optical signal regulation circuit includes amplifier, and it is sent to doubler to regulate the phase place of optical signal output after accepting optical signal and being amplified.
Described Signal-regulated kinase includes RC parallel filtering circuit, described RC parallel filtering circuit is connected with amplifying circuit, the outfan of described amplifying circuit connects the control end of second switch pipe, one end of described second switch pipe is connected with power supply, the other end passes through resistance eutral grounding, the outfan that one end is described Signal-regulated kinase of second switch pipe ground connection.
Described first switching tube is audion or COM pipe.
Described second switch pipe is audion or COM pipe.
The beneficial effects of the utility model are:
The simple in construction of the liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan of the present utility model, and after being cooperated by the Optical Receivers of light emission module with the preset height being arranged on vehicle toilet waste collector, convert optical signals to the signal of telecommunication, and through Signal-regulated kinase transmission to output module, output module output liquid level be high-order or low level；This utility model intuitively shows that also by series diode liquid level is high-order or low level.
Accompanying drawing explanation
Fig. 1 is integrated circuit structural representation of the present utility model.
Fig. 2 is the circuit diagram of Optical Receivers of the present utility model and Signal-regulated kinase.
Detailed description of the invention
With embodiment, this utility model is described further below in conjunction with the accompanying drawings:
The liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan of the present utility model, the end surface that this liquid level sensor is installed in bedpan has one layer of plastic foil, reflex strength when this plastic foil is in the water that submerges emitted beam light emission module can change, Optical Receivers senses this change, judge that liquid level reaches sensor mounting location, control output circuit output action.This utility model have employed the change of light to judge liquid level, and small volume does not haves wrong report in the water that do not submerges.
As it is shown in figure 1, the liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan of the present utility model, including light emission module, it launches optical signal to vehicle toilet waste collector to be measured；The preset height position of described vehicle toilet waste collector is provided with Optical Receivers；
The optical signal that the light emission module received is launched is converted to the signal of telecommunication by described Optical Receivers, and through Signal-regulated kinase transmission to output module, output module output liquid level is high-order or low level；
Described output module includes the first switching tube, and the end that controls of described first switching tube is connected with the outfan of Signal-regulated kinase, and one end of the first switching tube is connected with power supply by pull-up resistor, other end ground connection；It it is the first outfan of described liquid level sensor at described one end of first switching tube and the junction point of pull-up resistor；
One end of described first switching tube ground connection is also connected with the anode of diode, and the negative electrode of diode is the second outfan of described liquid level sensor.
Wherein, Optical Receivers includes that photo-sensitive cell, described photo-sensitive cell are photoconductive resistance, optical diode, photoelectric crystal, CCD or CMOS.
Light emission module is wideband spectrum light source or narrow frequency spectrum light source.
Light emission module also includes that optical signal regulates circuit, and described optical signal regulation circuit is for adjusting intensity and the phase place of optical signal.
Optical signal regulation circuit includes amplifier, and it is sent to doubler to regulate the phase place of optical signal output after accepting optical signal and being amplified.
Signal-regulated kinase includes RC parallel filtering circuit, described RC parallel filtering circuit is connected with amplifying circuit, the outfan of described amplifying circuit connects the control end of second switch pipe, one end of described second switch pipe is connected with power supply, the other end passes through resistance eutral grounding, the outfan that one end is described Signal-regulated kinase of second switch pipe ground connection.
First switching tube is audion or COM pipe.
Second switch pipe is audion or COM pipe.
As in figure 2 it is shown, specifically, of the present utility model in detecting train vacuum excrement collector bedpan the specific embodiment circuit of the liquid level sensor of liquid level information be:
In the present embodiment, Optical Receivers uses model to be the transistor circuit of SFH3605.
In fig. 2, light emission module launches optical signal to vehicle toilet waste collector to be measured；The preset height position of vehicle toilet waste collector is provided with Optical Receivers；Wherein, Optical Receivers uses model to be the transistor circuit of SFH3605.
The optical signal received is converted to the signal of telecommunication by SFH3605, and through Signal-regulated kinase transmission to output module, output module output liquid level is high-order or low level.
Wherein, signal is left the circuit structure of module under order and is included RC parallel circuit and amplifying circuit.
The collector terminal of SFH3605 is connected with power supply VCC, and the emitter terminal of SFH3605 passes through RC parallel circuit ground connection.Wherein, RC parallel circuit is the circuit that resistance R4 is connected in parallel with electric capacity C3.
The collector terminal of SFH3605 also one end with resistance R5 is connected, the other end ground connection of the other end series resistor R6, resistance R6 of resistance R5；Amplifying circuit is based on model for TS391 amplification chip.The positive input terminal of TS391 amplification chip is connected with the emitter terminal of SFH3605, and the negative input end of TS391 amplification chip is connected at the junction point of resistance R5 and resistance R6.
The outfan of TS391 amplification chip connects the control end of second switch pipe Q3, and one end of second switch pipe Q3 is connected with power supply VCC, and the other end passes through resistance R1 ground connection, the outfan that one end is Signal-regulated kinase of second switch pipe Q3 ground connection.
The simple in construction of the liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan of the present utility model, and after being cooperated by the Optical Receivers of light emission module with the preset height being arranged on vehicle toilet waste collector, convert optical signals to the signal of telecommunication, and through Signal-regulated kinase transmission to output module, output module output liquid level be high-order or low level；This utility model intuitively shows that also by series diode liquid level is high-order or low level.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines; but the not restriction to this utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art need not to pay various amendments or deformation that creative work can make still within protection domain of the present utility model.
Claims (8)
1. the liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan, it is characterised in that include light emission module, it launches optical signal to vehicle toilet waste collector to be measured；The preset height position of described vehicle toilet waste collector is provided with Optical Receivers；
The optical signal that the light emission module received is launched is converted to the signal of telecommunication by described Optical Receivers, and through Signal-regulated kinase transmission to output module, output module output liquid level is high-order or low level；
Described output module includes the first switching tube, and the end that controls of described first switching tube is connected with the outfan of Signal-regulated kinase, and one end of the first switching tube is connected with power supply by pull-up resistor, other end ground connection；It it is the first outfan of described liquid level sensor at described one end of first switching tube and the junction point of pull-up resistor；
One end of described first switching tube ground connection is also connected with the anode of diode, and the negative electrode of diode is the second outfan of described liquid level sensor.
A kind of liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan, it is characterized in that, described Optical Receivers includes that photo-sensitive cell, described photo-sensitive cell are photoconductive resistance, optical diode, photoelectric crystal, CCD or CMOS.
A kind of liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan, it is characterised in that described light emission module is wideband spectrum light source or narrow frequency spectrum light source.
A kind of liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan, it is characterized in that, described light emission module also includes that optical signal regulates circuit, and described optical signal regulation circuit is for adjusting intensity and the phase place of optical signal.
A kind of liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan, it is characterized in that, described optical signal regulation circuit includes amplifier, and it is sent to doubler to regulate the phase place of optical signal output after accepting optical signal and being amplified.
A kind of liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan, it is characterized in that, described Signal-regulated kinase includes RC parallel filtering circuit, described RC parallel filtering circuit is connected with amplifying circuit, the outfan of described amplifying circuit connects the control end of second switch pipe, one end of described second switch pipe is connected with power supply, and the other end passes through resistance eutral grounding, the outfan that one end is described Signal-regulated kinase of second switch pipe ground connection.
A kind of liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan, it is characterised in that described first switching tube is audion or COM pipe.
A kind of liquid level sensor of liquid level information in detecting train vacuum excrement collector bedpan, it is characterised in that described second switch pipe is audion or COM pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620472782.3U CN205642556U (en) | 2016-05-20 | 2016-05-20 | A level sensor for detecting liquid level information in train vacuum toilet waste collection device bedpan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620472782.3U CN205642556U (en) | 2016-05-20 | 2016-05-20 | A level sensor for detecting liquid level information in train vacuum toilet waste collection device bedpan |
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| Publication Number | Publication Date |
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| CN205642556U true CN205642556U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620472782.3U Expired - Fee Related CN205642556U (en) | 2016-05-20 | 2016-05-20 | A level sensor for detecting liquid level information in train vacuum toilet waste collection device bedpan |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063063A (en) * | 2017-06-08 | 2017-08-18 | 深圳怡化电脑股份有限公司 | A kind of position detecting circuit and equipment |
| CN107202622A (en) * | 2017-07-14 | 2017-09-26 | 广东上风环保科技有限公司 | Liquid metering device and the circuit detected for liquid meter |
| CN107918970A (en) * | 2016-10-11 | 2018-04-17 | 吉鸿电子股份有限公司 | Device for detecting coin in pipeline by distance and ambient light sensor |
-
2016
- 2016-05-20 CN CN201620472782.3U patent/CN205642556U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107918970A (en) * | 2016-10-11 | 2018-04-17 | 吉鸿电子股份有限公司 | Device for detecting coin in pipeline by distance and ambient light sensor |
| CN107063063A (en) * | 2017-06-08 | 2017-08-18 | 深圳怡化电脑股份有限公司 | A kind of position detecting circuit and equipment |
| CN107063063B (en) * | 2017-06-08 | 2023-12-22 | 深圳怡化电脑股份有限公司 | Position detection circuit and equipment |
| CN107202622A (en) * | 2017-07-14 | 2017-09-26 | 广东上风环保科技有限公司 | Liquid metering device and the circuit detected for liquid meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190426 Address after: 250014 South Building, Block B, International Business Center, Jinan Environmental Protection Science and Technology Park, 554 Zhengfeng Road, Jinan High-tech Zone, Shandong Province, 6th floor, 6018 Patentee after: Jinan Chengxin Changda Mechanical and Electrical Equipment Co., Ltd. Address before: 250101 Zhengfeng Road, Jinan High-tech Zone, Shandong Province Patentee before: Jinan Boan Automatic Control Technology Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20210520 |
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| CF01 | Termination of patent right due to non-payment of annual fee |