CN205643576U - Detection apparatus for photoelectric sensor - Google Patents
Detection apparatus for photoelectric sensor Download PDFInfo
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- CN205643576U CN205643576U CN201620484735.0U CN201620484735U CN205643576U CN 205643576 U CN205643576 U CN 205643576U CN 201620484735 U CN201620484735 U CN 201620484735U CN 205643576 U CN205643576 U CN 205643576U
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Abstract
The utility model provides a detection apparatus for photoelectric sensor includes the power, optical emitter detection circuitry and optical receiver detection circuitry, wherein, the power is connected with optical emitter detection circuitry and optical receiver detection circuitry respectively, optical emitter detection circuitry is including the first socket that is used for being connected with the optical emitter that awaits measuring and be used for the demonstration whether normal first digital display circuit of optical receiver that awaits measuring, optical receiver detection circuitry including the second socket that is used for being connected with the optical receiver that awaits measuring with be used for the demonstration whether normal second number display circuit of optical receiver that awaits measuring. The utility model provides a detection apparatus for photoelectric sensor can detect the optical emitter respectively and whether the optical receiver is unusual, is favorable to reducing the maintenance cost.
Description
Technical field
This utility model relates to the detection device of photoelectric sensor, is specifically related to a kind of light for detecting flaky medium
The detection device of electric transducer.
Background technology
The laminated medium processing units such as printer, scanner, bank note treatment device are provided with for detecting sheet
The photoelectric sensor assembly of medium (hereinafter referred to as medium).Photoelectric sensor assembly include photoelectric sensor, the first connecting line,
Two connecting lines, the first plug and the second plug, wherein, photoelectric sensor includes optical transmitting set and optical receiver, optical transmitting set and
Optical receiver is arranged in media transport path, when photoelectric sensor is transmission type sensors, and optical transmitting set and optical receiver
Both are oppositely arranged, and optical receiver is able to receive that the light that optical transmitting set is launched；When photoelectric sensor is reflection sensor
Time, optical transmitting set and optical receiver be arranged side by side the same side being positioned at media transport path, and optical receiver is able to receive that
The light launched by the optical transmitting set of dieletric reflection.First connecting line one end is welded with the pin of optical transmitting set, its other end with
First plug connects, the pin welding of one end optical receiver of the second connecting line, and its other end and the second plug connect.First inserts
The corresponding socket grafting that head and the second plug are arranged with the panel of laminated medium processing unit respectively.During work, light is sent out
There is light in emitter in media transport path, optical receiver receives light, wherein, when both optical transmitting set and optical receiver it
Between when there is not medium, optical receiver output the first detection signal；When medium arrives photoelectric sensor position, medium covers
Cover on optical receiver surface, optical receiver output the second detection signal.The controller of laminated medium processing unit is by detection
Optical receiver output signal judges whether medium arrives photoelectric sensor position.
By using environment or the time of use to be affected, easily there is the event that medium detection was lost efficacy in laminated medium processing unit
Barrier.In order to judge whether this fault causes because photoelectric sensor breaks down, need photoelectric sensor is detected.Traditional
Detection method is by controlling laminated medium processing unit execution note detection instruction, covering optical transmitting set and without paper there being paper
Use circuit tester to measure whether the change of optical receiver output voltage meets setting value in the case of covering optical transmitting set two kinds, thus sentence
Disconnected photoelectric sensor is the most normal.But, defeated owing to using circuit tester detection photoelectric sensor measurement can only detect optical receiver
Go out voltage the most normal, and cannot directly judge that optical transmitting set breaks down, or optical receiver breaks down, therefore, when
When detecting optical receiver output voltage exception, need to change optical transmitting set and the optical receiver of photoelectric sensor simultaneously, thus
Cause unnecessary waste.
Utility model content
The purpose of this utility model is to provide a kind of optical transmitting set and light-receiving that can detect photoelectric sensor respectively
The detection device of the photoelectric sensor that device is the most abnormal.
To achieve these goals, this utility model provides the detection device of a kind of photoelectric sensor, including power supply, light
Emitter testing circuit and optical receiver testing circuit, wherein, power supply is examined with optical transmitting set testing circuit and optical receiver respectively
Slowdown monitoring circuit connect, optical transmitting set testing circuit include the first socket for being connected with the optical transmitting set of photoelectric sensor to be measured and
For showing the most normal first digital-scroll technique circuit of the optical transmitting set of photoelectric sensor to be measured, optical receiver testing circuit bag
Include the second socket for being connected with the optical receiver of photoelectric sensor to be measured and for showing that the light of photoelectric sensor to be measured connects
Receive the most normal second digital-scroll technique circuit of device.
Further, above-mentioned optical transmitting set testing circuit also includes the first divider resistance, the first filter circuit and the first electricity
Pressure comparison circuit, wherein, the first end of the first divider resistance is connected with power supply, the second end of the first divider resistance and the first socket
The first end connect, the second end ground connection of the first socket, the first end connection of the input of the first filter circuit and the first socket,
The input of the outfan of the first filter circuit and the first voltage comparator circuit connects, the outfan of the first voltage comparator circuit with
First digital-scroll technique circuit connects.
Further, above-mentioned optical receiver testing circuit also includes the second divider resistance, the second filter circuit and the second electricity
Pressure comparison circuit, wherein, the first end of the second divider resistance is connected with power supply, the second end of the second divider resistance and the second socket
The first end connect, the second end ground connection of the second socket, the first end connection of the input of the second filter circuit and the second socket,
The input of the outfan of the second filter circuit and the second voltage comparator circuit connects, the outfan of the second voltage comparator circuit with
Second digital-scroll technique circuit connects.
Further, above-mentioned first voltage comparator circuit includes the first comparator, the first adjustable resistance circuit, second compares
Device, the second adjustable resistance circuit and NAND gate, wherein, the first comparator "+" input and the first adjustable resistance circuit are even
Connecing, the "-" input of the first comparator and the outfan of the first filter circuit connect, the outfan of the first comparator and NAND gate
First input end connect, the second comparator "+" the outfan connection of input and the first filter circuit, the second comparator
"-" input and the second adjustable resistance circuit connect, and the outfan of the second comparator is connected with the second input of NAND gate, with
The outfan of not gate and the first digital-scroll technique circuit connect.
Further, above-mentioned first voltage comparator circuit includes the first comparator, the first adjustable resistance circuit, second compares
Device, the second adjustable resistance circuit and with door, wherein, the first comparator "+" input and the first adjustable resistance circuit connect,
The "-" input of the first comparator and the outfan of the first filter circuit connect, the outfan of the first comparator and NAND gate
First input end connects, the second comparator "+" the outfan connection of input and the first filter circuit, the second comparator
"-" input and the second adjustable resistance circuit connect, and the outfan of the second comparator is connected with the second input with door, with door
Outfan and the first digital-scroll technique circuit connect.
Further, above-mentioned second voltage comparator circuit includes the 3rd comparator and the 3rd adjustable resistance circuit, wherein,
Three comparators "+" input and the 3rd adjustable resistance circuit connect, the "-" input of the 3rd comparator and the second filter circuit
Outfan connect, the input of the outfan of the 3rd comparator and not gate connects, the outfan of not gate and the second digital-scroll technique
Circuit connects.
Further, above-mentioned second voltage comparator circuit includes the 3rd comparator and the 3rd adjustable resistance circuit, wherein,
Three comparators "+" input and the 3rd adjustable resistance circuit connect, the "-" input of the 3rd comparator and the second filter circuit
Outfan connect, the connection of the outfan of the 3rd comparator and the second digital-scroll technique circuit.
The detection device of the photoelectric sensor that this utility model provides includes power supply, optical transmitting set testing circuit and light-receiving
Device testing circuit, wherein, power supply is connected with optical transmitting set testing circuit and optical receiver testing circuit respectively, and optical transmitting set detects
Circuit includes the first socket for being connected with the optical transmitting set of photoelectric sensor to be measured and for showing photoelectric sensor to be measured
The most normal first digital-scroll technique circuit of optical receiver, optical receiver testing circuit include for photoelectric sensor to be measured
The second socket of connecting of optical receiver and digital for showing the optical receiver of photoelectric sensor to be measured the most normal second
Display circuit.By by the plug of the optical transmitting set of photoelectric sensor to be measured and the first socket grafting, by photoelectric sensor to be measured
The plug of optical receiver and the second socket grafting, optical transmitting set testing circuit is capable of detecting when and shows that optical transmitting set is the most different
Often, optical receiver testing circuit can detect and show that optical receiver is the most abnormal.Therefore, compared with prior art, this practicality
The detection device of the photoelectric sensor of novel offer can detect optical transmitting set respectively and optical receiver is the most abnormal, is conducive to fall
Low-maintenance cost.It addition, the detection device of photoelectric sensor that this utility model provides, connecing without dismantling optical transmitting set and light
Detection can be completed in the case of receiving device, simple to operation.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing being further appreciated by of the present utility model, this practicality
Novel schematic description and description is used for explaining this utility model, is not intended that improper restriction of the present utility model.
Fig. 1 is the schematic diagram of the detection device of the photoelectric sensor according to this utility model one embodiment；
Fig. 2 is the schematic diagram of the optical transmitting set testing circuit according to this utility model one embodiment；
Fig. 3 is the schematic diagram of the optical receiver testing circuit according to this utility model one embodiment；
Fig. 4 is the schematic diagram of the first voltage comparator circuit according to this utility model one embodiment；
Fig. 5 is the schematic diagram of the second voltage comparator circuit according to this utility model one embodiment.
Label declaration:
100, power supply；200, optical transmitting set testing circuit；300, optical receiver testing circuit；
11, the first divider resistance；12, the first socket；13, the first filter circuit；
14, the first voltage comparator；15, the first digital-scroll technique circuit；21, the second divider resistance；
22, the second socket；23, the second filter circuit；24, the second voltage comparator circuit；
25, the second digital-scroll technique circuit；141, the first comparator；142, the first adjustable resistance circuit；
143, the second comparator；144, the second adjustable resistance circuit；145, NAND gate
241, the 3rd comparator；242, the 3rd adjustable resistance circuit；243, not gate
R1, the first resistance；R2, the first adjustable resistance；R3, the second resistance
R4, the second adjustable resistance；R5, the 3rd resistance；R6, the 3rd adjustable resistance.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Fig. 1 is the schematic diagram of the detection device of the photoelectric sensor according to this utility model one embodiment.As it can be seen, should
Detection device includes power supply 100, optical transmitting set testing circuit 200 and optical receiver testing circuit 300, and wherein, power supply 10 is respectively
It is connected with optical transmitting set testing circuit 100 and optical receiver testing circuit 200, for optical transmitting set testing circuit and light-receiving
Device testing circuit offer work required voltage, optical transmitting set testing circuit 200 is for detecting the light emission of photoelectric sensor to be measured
Device is the most normal, and optical receiver testing circuit 300 is the most normal for the optical receiver detecting photoelectric sensor to be measured.
Fig. 2 is the schematic diagram of the optical transmitting set testing circuit according to this utility model one embodiment.As it can be seen, light emission
Device testing circuit 100 includes first divider resistance the 11, first socket the 12, first filter circuit the 13, first voltage comparator circuit 14
And the first digital-scroll technique circuit 15.First socket 12 is for connecting the plug of optical transmitting set to be measured；First filter circuit 13 is used
Export in the dividing potential drop treating light-metering emitter and be filtered；First voltage comparator circuit 14 is for by the dividing potential drop of optical transmitting set to be measured
Output imposes a condition with first and contrasts, and exports comparative result；First digital-scroll technique circuit 15 is for according to the first voltage
The output result of comparison circuit 14 shows that optical transmitting set to be measured is normal or abnormal.
Wherein, the first end of the first divider resistance 11 is connected with power supply 100, second end and first of the first divider resistance 11
First end of socket 12 connects, the second end ground connection of the first socket 12.The input of the first filter circuit 13 and the first socket 12
The first end connect, the input connection of the outfan of the first filter circuit 13 and the first voltage comparator circuit 14, the first voltage
Outfan and the first digital-scroll technique circuit 15 of comparison circuit 14 connect.
When detecting the optical transmitting set of photoelectric sensor to be measured, the plug and first of the optical transmitting set of photoelectric sensor is inserted
Seat 12 grafting, power supply 100 powers to optical transmitting set to be measured, and optical transmitting set to be measured is luminous, the dividing potential drop output warp of optical transmitting set to be measured
The first voltage comparator circuit 14 is inputted, when the dividing potential drop output valve of optical transmitting set to be measured meets first after first filter circuit 13 filtering
When imposing a condition, the first voltage comparator circuit 14 exports the first voltage, such as low-voltage, when the dividing potential drop output valve of optical transmitting set to be measured
Being unsatisfactory for first when imposing a condition, the first voltage comparator circuit 14 exports the second voltage, such as high voltage.When the first voltage ratio is more electric
When road 14 exports the first voltage, the first digital-scroll technique circuit 15 sends optical transmitting set to be measured and indicates normally, and such as, first is digital
The digital display tube of display circuit 15 shows " 1 ", when the first voltage comparator circuit 14 exports the second voltage, and the first digital-scroll technique
Circuit 15 sends the instruction that optical transmitting set to be measured is abnormal, and such as, the digital display tube of the first digital-scroll technique circuit 15 shows " 0 ".
Therefore, can directly detect that optical transmitting set is normal or abnormal by optical transmitting set testing circuit.
Fig. 3 is the schematic diagram of the optical receiver testing circuit according to this utility model one embodiment.As it can be seen, light-receiving
Device testing circuit 200 includes second divider resistance the 21, second socket the 22, second filter circuit the 23, second voltage comparator circuit 24
And the second digital-scroll technique circuit 25.Second socket 22 is for connecting the plug of optical receiver to be measured；Second filter circuit 23 is used
Export in the dividing potential drop treating light-metering receptor and be filtered；Second voltage comparator circuit 24 is for by the dividing potential drop of optical receiver to be measured
Output imposes a condition with second and contrasts, and exports comparative result.
Wherein, the first end of the second divider resistance 21 is connected with power supply 100, second end and second of the second divider resistance 21
First end of socket 22 connects, the second end ground connection of the second socket 22.The input of the second filter circuit 23 and the second socket 22
The first end connect, the input connection of the outfan of the second filter circuit 23 and the second voltage comparator circuit 24, the second voltage
Outfan and the second digital-scroll technique circuit 25 of comparison circuit 24 connect.
When the optical transmitting set detecting photoelectric sensor to be measured is normal, by the plug of the optical receiver of photoelectric sensor and the
Two socket 22 grafting, by dielectric overlay on optical transmitting set surface, power supply 100 is powered to optical receiver to be measured, optical receiver to be measured
Operational reception optical transmitting set to be measured launch light, when the dividing potential drop output valve of optical receiver to be measured meet second impose a condition time,
Second voltage comparator circuit 24 exports tertiary voltage, such as low-voltage, when the dividing potential drop output valve of optical receiver to be measured is unsatisfactory for second
When imposing a condition, the second voltage comparator circuit 24 exports the 4th voltage, such as high voltage.When the second voltage comparator circuit exports the 3rd
During voltage, the second digital-scroll technique circuit 25 sends optical receiver to be measured and indicates normally, such as, and the second digital-scroll technique circuit 25
Digital display tube shows " 1 "；When the second voltage comparator circuit 24 exports four voltage, the second digital-scroll technique circuit 25 sends to be treated
The instruction that light-metering receptor is abnormal, such as, the digital display tube of the second digital-scroll technique circuit 25 shows " 0 ".Therefore, connect by light
Receive device testing circuit and can directly detect that optical transmitting set is normal or abnormal.
The detection device of the photoelectric sensor that this utility model provides, by by the optical transmitting set of photoelectric sensor to be measured
Plug and the first socket grafting, by plug and the second socket grafting of the optical receiver of photoelectric sensor to be measured, optical transmitting set is examined
Slowdown monitoring circuit is capable of detecting when and shows that optical transmitting set is the most abnormal, and optical receiver testing circuit can detect and show optical receiver
The most abnormal.Therefore, compared with prior art, the detection device of the photoelectric sensor that this utility model provides can detect respectively
Optical transmitting set and optical receiver are the most abnormal, advantageously reduce maintenance cost.It addition, the photoelectric sensor that this utility model provides
Detection device, without can complete in the case of dismantling optical transmitting set and optical receiver detection, simple to operation.
Fig. 4 is the schematic diagram of the first voltage comparator circuit according to this utility model one embodiment.As it can be seen, the first electricity
Pressure comparison circuit includes first comparator the 141, first adjustable resistance circuit the 142, second comparator the 143, second adjustable resistance electricity
Road 144 and NAND gate 145.
Wherein, the first comparator 141 "+" input and the first adjustable resistance circuit 142 connect, the first comparator 141
"-" input and the outfan of the first filter circuit 13 connect, the of the outfan of the first comparator 141 and NAND gate 145
One input connects.
First adjustable resistance circuit 142 includes the first resistance R1 and the first adjustable resistance R2 of series connection, wherein, the first resistance
First end of R1 is connected with power supply 100, and second end of the first resistance R1 and first end of the first adjustable resistance R2 connect, and first can
Adjust the second end ground connection of resistance R2, the first comparator 141 "+" first end of input and the first adjustable resistance R2 connects, lead to
Overregulate the resistance of the first adjustable resistance R2, it is possible to the first comparator 141 "+" input provides the first reference voltage.
Second comparator 143 "+" outfan of input and the first filter circuit 13 connects, the second comparator 143
"-" input and the second adjustable resistance circuit 144 connect, the outfan of the second comparator 143 and the second input of NAND gate 145
End connects, and outfan and the first digital-scroll technique circuit 15 of NAND gate 145 connect.
Second adjustable resistance circuit 144 includes the second resistance R3 and the second adjustable resistance R4 of series connection, wherein, the second resistance
First end of R3 is connected with power supply 100, and second end of the second resistance R3 and first end of the second adjustable resistance R4 connect, and second can
Adjusting the second end ground connection of resistance R4, the "-" input of the second comparator 143 and first end of the second adjustable resistance R4 connect, logical
Overregulate the resistance of the second adjustable resistance R4, it is possible to the "-" input to the second comparator 143 provides the second reference voltage.
According to optical transmitting set characteristic, arrange first and impose a condition as the output of: photoemissive dividing potential drop to be measured less than the first reference
Voltage and more than the second reference voltage.Such as, the dividing potential drop output of normal optical transmitting set should be less than 1.5V and more than 1.0V, then set
Putting the first reference voltage is 1.5V, and the second reference voltage is 1.0V.
When the dividing potential drop of optical transmitting set to be measured export meet first impose a condition time, its dividing potential drop of light emission the most to be measured is defeated
Go out less than the first reference voltage and more than the second reference voltage, then the first comparator 141 output HIGH voltage, the second comparator 143
Output HIGH voltage, therefore, NAND gate 145 exports low-voltage control triggering the first digital-scroll technique circuit 15 and sends optical transmitting set to be measured
Normal prompting.
When optical transmitting set to be measured dividing potential drop export be unsatisfactory for first impose a condition time, the first situation is optical transmitting set to be measured
Dividing potential drop output more than the first reference voltage time, then the first comparator 141 exports low-voltage, the second comparator output HIGH voltage,
NAND gate 145 output HIGH voltage controls to trigger the first digital-scroll technique circuit 15 and sends the prompting that optical transmitting set to be measured is abnormal；Second
The situation of kind is that the dividing potential drop output of optical transmitting set to be measured is less than the second reference voltage, then the first comparator output HIGH voltage, the second ratio
Relatively device 143 exports low-voltage, and now, NAND gate 145 output HIGH voltage controls to trigger the first digital-scroll technique circuit 15 and sends to be measured
The prompting that optical transmitting set is abnormal.
It should be noted that the first adjustable resistance circuit 142 and the second adjustable resistance circuit 144 all can increase as required
Resistance, so that by the resistance regulating the first adjustable resistance R1, it is possible to the first comparator 141 "+" input provides first
Reference voltage, by regulating the resistance of the second adjustable resistance R2, it is possible to provides second to the "-" input of the second comparator 143
Reference voltage.First imposes a condition is arranged according to the physical condition that normal light emitter is satisfied.Digital by arranging control first
Display circuit 15 shows the required voltage of normal information, it is also possible to NAND gate 145 replaced with and door.
Fig. 5 is the schematic diagram of the second voltage comparator circuit according to this utility model one embodiment.As it can be seen, the second electricity
Pressure comparison circuit includes the 3rd comparator the 241, the 3rd adjustable resistance circuit 242 and not gate 243.
Wherein, the 3rd comparator 241 "+" input and the 3rd adjustable resistance circuit 242 connect, the 3rd comparator 141
"-" input and the second filter circuit 23 outfan connect, the outfan of the 3rd comparator 241 and the input of not gate 243
End connects, and outfan and the second digital-scroll technique circuit 25 of not gate 243 connect.
3rd adjustable resistance circuit 242 includes the 3rd resistance R5 and the 3rd adjustable resistance R6 of series connection, wherein, the 3rd resistance
First end of R5 is connected with power supply 100, and second end of the 3rd resistance R5 and first end of the 3rd adjustable resistance R6 connect, and the 3rd can
Adjust the second end ground connection of resistance R6, the 3rd comparator 241 "+" first end of input and the 3rd adjustable resistance R6 connects, lead to
Overregulate the resistance of the 3rd adjustable resistance R6, it is possible to the 3rd comparator 241 "+" input provide the 3rd reference voltage.
According to the characteristic of optical receiver, arrange second impose a condition into: the dividing potential drop output of optical receiver to be measured is less than the 3rd
Reference voltage.Such as, the dividing potential drop output of normal optical receiver is less than 0.5V, then the 3rd reference voltage is 0.5V.
When the dividing potential drop output satisfied second of optical receiver to be measured imposes a condition, the dividing potential drop of optical receiver the most to be measured is defeated
Going out less than the 3rd reference voltage, then the 3rd comparator 241 output HIGH voltage, therefore, not gate 243 exports low-voltage and controls triggering the
Two digital-scroll technique circuit 25 send optical receiver to be measured and point out normally.
When optical receiver to be measured dividing potential drop export be unsatisfactory for second impose a condition time, the dividing potential drop of optical receiver the most to be measured
When output is more than three reference voltages, then the 3rd comparator 241 exports low-voltage, and therefore, not gate 243 output HIGH voltage controls to touch
Send out the second digital-scroll technique circuit 25 and send the prompting that optical receiver to be measured is abnormal.
It should be noted that the 3rd adjustable resistance circuit 242 increases resistance as required, so that adjustable by regulation the 3rd
The resistance of resistance R3, it is possible to the 3rd comparator 241 "+" input provide the 3rd reference voltage.Second imposes a condition basis
The physical condition that normal light receptor meets is arranged.Show point out letter normally by arranging control the second digital-scroll technique circuit 25
The required voltage of breath, the outfan of the 3rd comparator 241 can also directly be connected with the second digital-scroll technique circuit 25.
The detection device of the photoelectric sensor that this utility model provides, optical transmitting set testing circuit compares by arranging two
Whether the dividing potential drop output of device detection optical transmitting set to be measured meets first imposes a condition, and when meeting first and imposing a condition, first is digital
Display circuit sends the normal information of optical transmitting set to be measured, the first digital-scroll technique circuit when being unsatisfactory for first and imposing a condition
Send the information that optical generator to be measured is abnormal；By arranging a comparator detection, optical receiver testing circuit treats that light-metering connects
Whether the dividing potential drop output of receipts device meets second imposes a condition, and when meeting second and imposing a condition, the second digital-scroll technique circuit sends and treats
The normal information of light-metering receptor, when being unsatisfactory for second and imposing a condition, the second digital-scroll technique circuit sends light-receiving to be measured
The information that device is abnormal.Therefore, compared with prior art, the detection device of the photoelectric sensor that this utility model provides can
Detection optical transmitting set and optical receiver are the most abnormal respectively, advantageously reduce maintenance cost.It addition, the light that this utility model provides
The detection device of electric transducer, without completing detection, side simple to operate in the case of dismantling optical transmitting set and optical receiver
Just.
Claims (7)
1. the detection device of a photoelectric sensor, it is characterised in that include power supply, optical transmitting set testing circuit and optical receiver
Testing circuit, wherein, described power supply is connected with described optical transmitting set testing circuit and described optical receiver testing circuit respectively, institute
State optical transmitting set testing circuit and include the first socket for being connected with the optical transmitting set of photoelectric sensor to be measured and for showing
The most normal first digital-scroll technique circuit of optical transmitting set of photoelectric sensor to be measured, described optical receiver testing circuit includes using
In the second socket being connected with the optical receiver of photoelectric sensor to be measured with for showing the optical receiver of photoelectric sensor to be measured
The most normal second digital-scroll technique circuit.
Detection device the most according to claim 1, it is characterised in that described optical transmitting set testing circuit also includes first point
Piezoresistance, the first filter circuit and the first voltage comparator circuit, wherein, the first end of described first divider resistance and described power supply
Connecting, the second end of described first divider resistance is connected with the first end of described first socket, the second end of described first socket
Ground connection, the input of described first filter circuit is connected with the first end of described first socket, described first filter circuit defeated
Go out end to be connected with the input of described first voltage comparator circuit, the outfan of described first voltage comparator circuit and described first
Digital-scroll technique circuit connects.
Detection device the most according to claim 1 and 2, it is characterised in that described optical receiver testing circuit also includes
Two divider resistances, the second filter circuit and the second voltage comparator circuit, wherein, the first end of described second divider resistance is with described
Power supply connects, and the second end of described second divider resistance is connected with the first end of described second socket, the of described second socket
Two end ground connection, the input of described second filter circuit is connected with the first end of described second socket, described second filter circuit
Outfan be connected with the input of described second voltage comparator circuit, the outfan of described second voltage comparator circuit is with described
Second digital-scroll technique circuit connects.
Detection device the most according to claim 2, it is characterised in that described first voltage comparator circuit includes that first compares
Device, the first adjustable resistance circuit, the second comparator, the second adjustable resistance circuit and NAND gate, wherein, described first comparator
"+" input is connected with described first adjustable resistance circuit, the "-" input of described first comparator and described first filtering
The outfan of circuit connects, and the outfan of described first comparator is connected with the first input end of described NAND gate, and described second
Comparator "+" input is connected with the outfan of described first filter circuit, the "-" input of described second comparator and institute
Stating the second adjustable resistance circuit to connect, the outfan of described second comparator is connected with the second input of described NAND gate, institute
The outfan stating NAND gate is connected with described first digital-scroll technique circuit.
Detection device the most according to claim 2, it is characterised in that described first voltage comparator circuit includes that first compares
Device, the first adjustable resistance circuit, the second comparator, the second adjustable resistance circuit and with door, wherein, described first comparator
"+" input is connected with described first adjustable resistance circuit, the "-" input of described first comparator and described first filtered electrical
The outfan on road connects, and the outfan of described first comparator is connected with the first input end of described NAND gate, described second ratio
Relatively device "+" input is connected with the outfan of described first filter circuit, the "-" input of described second comparator is with described
Second adjustable resistance circuit connect, the outfan of described second comparator is connected with described the second input with door, described and
The outfan of door is connected with described first digital-scroll technique circuit.
Detection device the most according to claim 3, it is characterised in that described second voltage comparator circuit includes that the 3rd compares
Device and the 3rd adjustable resistance circuit, wherein, described 3rd comparator "+" input is with described 3rd adjustable resistance circuit even
Connecing, the "-" input of described 3rd comparator is connected with the outfan of described second filter circuit, described 3rd comparator defeated
The input going out end and described not gate connects, and the outfan of described not gate is connected with described second digital-scroll technique circuit.
Detection device the most according to claim 3, it is characterised in that described second voltage comparator circuit includes that the 3rd compares
Device and the 3rd adjustable resistance circuit, wherein, described 3rd comparator "+" input is with described 3rd adjustable resistance circuit even
Connecing, the "-" input of described 3rd comparator is connected with the outfan of described second filter circuit, described 3rd comparator defeated
Go out end to be connected with described second digital-scroll technique circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620484735.0U CN205643576U (en) | 2016-05-25 | 2016-05-25 | Detection apparatus for photoelectric sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620484735.0U CN205643576U (en) | 2016-05-25 | 2016-05-25 | Detection apparatus for photoelectric sensor |
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| Publication Number | Publication Date |
|---|---|
| CN205643576U true CN205643576U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620484735.0U Expired - Fee Related CN205643576U (en) | 2016-05-25 | 2016-05-25 | Detection apparatus for photoelectric sensor |
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| Country | Link |
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| CN (1) | CN205643576U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767987A (en) * | 2016-11-18 | 2017-05-31 | 南京大树智能科技股份有限公司 | A kind of photoelectric sensor output signals scaling method |
| CN107084749A (en) * | 2017-04-24 | 2017-08-22 | 广东美的暖通设备有限公司 | The detection control method and device of sensor |
| CN113739835A (en) * | 2021-08-25 | 2021-12-03 | 南通微云物联有限公司 | Sensor with fault detection function |
| CN114543862A (en) * | 2021-10-27 | 2022-05-27 | 深圳市施特安邦科技有限公司 | Grating sensor quality detection system |
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2016
- 2016-05-25 CN CN201620484735.0U patent/CN205643576U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767987A (en) * | 2016-11-18 | 2017-05-31 | 南京大树智能科技股份有限公司 | A kind of photoelectric sensor output signals scaling method |
| CN106767987B (en) * | 2016-11-18 | 2019-03-05 | 南京大树智能科技股份有限公司 | A kind of photoelectric sensor output signals scaling method |
| CN107084749A (en) * | 2017-04-24 | 2017-08-22 | 广东美的暖通设备有限公司 | The detection control method and device of sensor |
| CN107084749B (en) * | 2017-04-24 | 2020-08-04 | 广东美的暖通设备有限公司 | Detection control method and device of sensor |
| CN113739835A (en) * | 2021-08-25 | 2021-12-03 | 南通微云物联有限公司 | Sensor with fault detection function |
| CN114543862A (en) * | 2021-10-27 | 2022-05-27 | 深圳市施特安邦科技有限公司 | Grating sensor quality detection system |
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