CN107807705A - A kind of AGV photoelectricity track module voltage regulation circuit - Google Patents
A kind of AGV photoelectricity track module voltage regulation circuit Download PDFInfo
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- CN107807705A CN107807705A CN201710968802.5A CN201710968802A CN107807705A CN 107807705 A CN107807705 A CN 107807705A CN 201710968802 A CN201710968802 A CN 201710968802A CN 107807705 A CN107807705 A CN 107807705A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
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Abstract
The invention discloses a kind of AGV photoelectricity track module voltage regulation circuit, including：Photoelectric coupling circuit (1), reference voltage control circuit (2) and comparator (3)；The photoelectric coupling circuit (1) is used to input photoelectric coupling voltage to comparator (3)；The reference voltage control circuit (2) is used to input reference voltage to comparator (3)；The reference voltage control circuit (2) includes：Charge-discharge circuit (4) and detection circuit (5)；The charge-discharge circuit (4) is used for the preset voltage value according to different situations, and different reference voltages is inputted to comparator (3)；The detection circuit (5) is used for the magnitude of voltage for detecting the charge-discharge circuit (4)；The comparator (3) is used for the size for comparing photoelectric coupling voltage and reference voltage.The regulation circuit that the embodiment of the present invention proposes can adjust AGV photoelectricity more intelligent, convenient, exactly and track the voltage of module.
Description
Technical field
The present invention relates to AGV control technology fields, more particularly to a kind of AGV photoelectricity tracks module voltage regulation circuit.
Background technology
Intelligent carriage, i.e. wheeled robot, are one kind of mobile robot, its content cover machinery, automobile, electronics, from
The ken of multiple subjects such as dynamic control, computer, sensing technology, the complex art emerging as one, can widely be answered
For factory from technical fields such as material mover, fixed venue carriers, complicated, severe working environment is can also be applied to, is had
Good civil and military application prospect.The movement of mobile robot is always an important topic.Exploration trolley is a kind of weight
The exploration instrument wanted, it is significantly exploration trolley is advanced according to desired trajectory.
Publication No. CN206162196U patent document discloses " one kind track avoidance dolly ", and the utility model discloses
One kind tracks avoidance dolly, including single-chip microcomputer, at least three infrared photoelectric sensors, motor drive ic, motor, steering indicating light
Circuit and the power module for above-mentioned module for power supply, infrared photoelectric sensor connect the input/output pin of single-chip microcomputer, and motor drives
The input/output pin of dynamic chip connection single-chip microcomputer, motor are connected with motor drive ic, steering circuit for lamp and single-chip microcomputer it is defeated
Enter/output pin connection, at least one infrared photoelectric sensor is arranged on the bottom in front of dolly control panel, and dolly control panel is left
The bottom of right both sides is each at least provided with a photoelectric sensor.The avoidance car circuit framework letter of the present utility model that tracks
Single, unfailing performance is high, the high and low power consumption of intelligence degree, the quick avoidance traveling that tracks being particluarly suitable on runway.
Publication No. CN204674392U patent document discloses " a kind of small based on the band-guided photoelectricity of the glue AGV that tracks
Car ", the utility model disclose it is a kind of tracked AGV dollies, including AGV main bodys based on the band-guided photoelectricity of glue, two before and after AGV main bodys
End sets a support wheel and two main drive wheels respectively, and AGV main bodys are provided with two electricity that two main drive wheels of driving rotate
Machine, two motors are connected with electric control system, and its designing points is：Adhesive tape, AGV are equipped with AGV main body lower centrals
Lower body part is provided with a photoelectric sensing device assembly, and photoelectric sensing device assembly includes multichannel photoelectric sensor, multichannel photoelectric sensing
Device detection range masking tape and adhesive tape both sides periphery background, each photoelectric sensor are connected with electric control system.
Existing photoelectricity track the photoelectricity installed on AGV track module be primarily used to detect dolly be during advance
No have the phenomenon of offset track, and then judges itself state in which (left avertence, right avertence etc.)；And why dolly there is such event
Barrier is orbit information caused by a variety of situations, such as during in diverse location, surface evenness, barrier etc., all can
So that the reference voltage of comparator changes in the module that tracks.
At present, the AGV photoelectricity module that tracks is given using circuit as shown in Figure 1, the circuit by LED light irradiation
Triode provides base current, can obtain output voltage；Again through comparator relatively after final choose tracked module suitable for photoelectricity
Magnitude of voltage.When AGV operates in the environment with different road surface characteristics, comparator negative battery voltage should be varied from, existing skill
The screw that art usually artificially adjusts potentiometer can obtain different magnitude of voltage however, for excessive small of weight, volume
Car, technical staff not only need to take complicated and cumbersome operation, are also greatly reduced operating efficiency.
The content of the invention
The embodiments of the invention provide a kind of AGV photoelectricity track module voltage regulation circuit, including：Photoelectric coupling circuit
(1), reference voltage control circuit (2) and comparator (3)；
The photoelectric coupling circuit (1) is connected with the comparator (3), for inputting photoelectric coupling electricity to comparator (3)
Pressure；
The reference voltage control circuit (2) is connected with the comparator (3), for being inputted to comparator (3) with reference to electricity
Pressure；
The reference voltage control circuit (2) includes：Charge-discharge circuit (4) and detection circuit (5)；
The charge-discharge circuit (4) is used for the preset voltage value according to different situations, and different ginsengs is inputted to comparator (3)
According to voltage；
The detection circuit (5) is used for the magnitude of voltage for detecting the charge-discharge circuit (4)；
The comparator (3) is used for the size for comparing photoelectric coupling voltage and reference voltage.
Further, the photoelectric coupling circuit (1) includes：
First resistor R1, second resistance R2, LED, triode Q；
The first resistor R1 is connected to the positive pole of LED, the negative pole ground connection of the LED；
The LED provides base current by illumination for triode Q, and the emitter stage of the triode Q connects
Ground, the colelctor electrode of the triode Q are respectively connecting to second resistance R2 and comparator (3).
Further, the charge-discharge circuit (4) includes：3rd resistor R3, the 4th resistance R4, the 5th resistance R5, electric capacity
C, the first metal-oxide-semiconductor M1, second metal-oxide-semiconductor M2, MCU；
One end of the 3rd resistor R3 is connected to comparator (3), and the other end is connected to the first metal-oxide-semiconductor M1 drain electrode, institute
The first metal-oxide-semiconductor M1 source ground is stated, the grid of the first metal-oxide-semiconductor M1 is respectively connecting to electric capacity C, the 4th resistance R4 and the 5th
Resistance R5；
The other end ground connection of the electric capacity C；
The other end of the 4th resistance R4 is connected to the second metal-oxide-semiconductor M2 drain electrode, and the source electrode of the second metal-oxide-semiconductor M2 connects
Ground, the grid of the second metal-oxide-semiconductor M2 are connected to MCU the first I/O ports；
The 5th resistance R5 other ends are connected to MCU the 2nd I/O ports.
Further, also include in the charge-discharge circuit (4)：Electric reverse isolation diode D；
The diode D is arranged between the 5th resistance R5 and MCU；
The 5th resistance R5 is connected to diode D negative pole, and the positive pole of the diode D is connected to MCU the 2nd I/O
Port.
Further, the first metal-oxide-semiconductor M1 is P-channel type metal-oxide-semiconductor；
The second metal-oxide-semiconductor M2 is P-channel type metal-oxide-semiconductor.
Further, the detection circuit (5) includes：3rd metal-oxide-semiconductor M3 and CPU；
The source electrode of the 3rd metal-oxide-semiconductor M3 and the first metal-oxide-semiconductor M1 gate connected in parallel are connected to electric capacity C；
The drain electrode of the 3rd metal-oxide-semiconductor M3 is connected to CPU ADC ports；
The grid of the 3rd metal-oxide-semiconductor M3 is connected to CPU I/O ports.
Further, the 3rd metal-oxide-semiconductor M3 is N-channel type metal-oxide-semiconductor.
Further, the photoelectric coupling circuit (1) is connected with the electrode input end of the comparator (3).
Further, the reference voltage control circuit (2) is connected with the negative input of the comparator (3).
Further, the comparator (3) compares photoelectric coupling voltage and the size of reference voltage is specially：
When photoelectric coupling voltage is higher than reference voltage, comparator (3) output is high level；
When photoelectric coupling voltage is less than reference voltage, comparator (3) output is low level.
The embodiment of the present invention proposes that a kind of AGV photoelectricity tracks module voltage regulation circuit, in the negative pole of comparator, by MOS
Pipe is connected with electric capacity accesses circuit, and send PWM ripples by MCU charges to electric capacity, and this two parts electricity consumption reverse isolation device separates；
When MCU powers, CPU ADC ports can be detected to the voltage at electric capacity both ends., can be by controlling MOS if magnitude of voltage is too high
Pipe is discharged.Using the method, technical staff will it is more intelligent, convenient, adjust voltage exactly.
Brief description of the drawings
Fig. 1 is that prior art AGV photoelectricity tracks module circuit diagram；
Fig. 2 be the embodiment of the present invention one in a kind of AGV photoelectricity track module voltage adjust circuit diagram；
Fig. 3 is control flow chart in the embodiment of the present invention two.
Embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, in the embodiment of the present invention and appended claims
" one kind " of singulative used in book, " described " and "the" are also intended to including most forms, unless context is clearly
Represent other implications.
In addition, term " first ", " second " and " the 3rd " in description and claims of this specification and accompanying drawing etc.
It is to be used to distinguish different objects, rather than for describing particular order.For example, term the may be used in embodiments of the present invention
First, second, third etc. distinguishes resistance, but these resistance should not necessarily be limited by these terms.For example, the embodiment of the present invention is not being departed from
In the case of scope, first resistor can also be referred to as the 4th resistance, and similarly, second resistance can also be referred to as the 5th electricity
Resistance；3rd resistor can also be referred to as the 6th resistance.These terms are only used for these functional units being distinguished from each other out.
In addition, term " comprising " and " having " and their any deformations, it is intended that cover non-exclusive include.Such as
Contain the step of process, method, system, product or the equipment of series of steps or unit is not limited to list or list
Member, but alternatively also including the step of not listing or unit, or alternatively also include for these processes, method, product
Or the intrinsic other steps of equipment or unit.
The embodiment of the present invention proposes that a kind of AGV photoelectricity tracks module voltage regulation circuit, in the negative pole of comparator, by MOS
Pipe is connected with electric capacity accesses circuit, and send PWM ripples by MCU charges to electric capacity, and this two parts electricity consumption reverse isolation device separates；
When MCU powers, CPU ADC ports can be detected to the voltage at electric capacity both ends., can be by controlling MOS if magnitude of voltage is too high
Pipe is discharged.Using the method, technical staff will it is more intelligent, convenient, adjust voltage exactly.
It is the specific embodiment of the invention below.
Embodiment one
Fig. 2 be the present embodiment in a kind of AGV photoelectricity track module voltage adjust circuit structure diagram, as shown in Fig. 2 the circuit
Including：Photoelectric coupling circuit (1), reference voltage control circuit (2) and comparator (3)；
The photoelectric coupling circuit (1) is connected with the comparator (3), for inputting photoelectric coupling electricity to comparator (3)
Pressure；
The reference voltage control circuit (2) is connected with the comparator (3), for being inputted to comparator (3) with reference to electricity
Pressure；
The reference voltage control circuit (2) includes：Charge-discharge circuit (4) and detection circuit (5)；
The charge-discharge circuit (4) is used for the preset voltage value according to different situations, and different ginsengs is inputted to comparator (3)
According to voltage；
The detection circuit (5) is used for the magnitude of voltage for detecting the charge-discharge circuit (4)；
The comparator (3) is used for the size for comparing photoelectric coupling voltage and reference voltage.
The photoelectric coupling circuit (1) includes：
First resistor R1, second resistance R2, LED, triode Q；
The first resistor R1 is connected to the positive pole of LED, the negative pole ground connection of the LED；
The LED provides base current by illumination for triode Q, and the emitter stage of the triode Q connects
Ground, the colelctor electrode of the triode Q are respectively connecting to second resistance R2 and comparator (3).
In photoelectric coupling circuit (1), base current is provided to triode Q by LED illumination, can obtain defeated
Go out voltage, i.e. photoelectric coupling voltage.
The charge-discharge circuit (4) includes：3rd resistor R3, the 4th resistance R4, the 5th resistance R5, electric capacity C, the first MOS
Pipe M1, second metal-oxide-semiconductor M2, MCU；
Described 3rd resistor R3 one end is connected to comparator (3), and the other end is connected to the first metal-oxide-semiconductor M1 drain electrode, described
First metal-oxide-semiconductor M1 source ground, the grid of the first metal-oxide-semiconductor M1 are respectively connecting to electric capacity C, the 4th resistance R4 and the 5th electricity
Hinder R5；
The other end ground connection of the electric capacity C；
The other end of the 4th resistance R4 is connected to the second metal-oxide-semiconductor M2 drain electrode, and the source electrode of the second metal-oxide-semiconductor M2 connects
Ground, the grid of the second metal-oxide-semiconductor M2 are connected to MCU the first I/O ports；
The 5th resistance R5 other ends are connected to MCU the 2nd I/O ports.
Charge-discharge circuit (4) using electric capacity can discharge and recharge characteristic, give metal-oxide-semiconductor power supply；Metal-oxide-semiconductor is voltage-type device, with
Triode is relatively stable compared to its gate source voltage, is able to maintain that the magnitude of voltage of comparator negative pole；
In charge-discharge circuit (4), MCU can not only be carried by controlling MCU to send PWM ripples for electric capacity (i.e. comparator negative pole)
For exact voltage value, moreover it is possible to which storage is largely applied to the magnitude of voltage of different road surface characteristics, realizes the intelligent control of data.
Also include in the charge-discharge circuit (4)：Electric reverse isolation diode D；
The diode D is arranged between the 5th resistance R5 and MCU；
The 5th resistance R5 is connected to diode D negative pole, and the positive pole of the diode D is connected to MCU the 2nd I/O
Port.
Electric reverse isolation diode D mainly utilizes the unilateal conduction characteristic of component, and electric capacity electric discharge, maintenance are prevented to reach
The constant purpose of the portion voltage.
The first metal-oxide-semiconductor M1 is P-channel type metal-oxide-semiconductor, and metal-oxide-semiconductor is turned on for backward voltage；
The second metal-oxide-semiconductor M2 is P-channel type metal-oxide-semiconductor, and metal-oxide-semiconductor is turned on for backward voltage.
The detection circuit (5) includes：3rd metal-oxide-semiconductor M3 and CPU；
The source electrode of the 3rd metal-oxide-semiconductor M3 and the first metal-oxide-semiconductor M1 gate connected in parallel are connected to electric capacity C；
The drain electrode of the 3rd metal-oxide-semiconductor M3 is connected to CPU ADC ports；
The grid of the 3rd metal-oxide-semiconductor M3 is connected to CPU I/O ports.
Detection circuit is mainly made up of CPU with the metal-oxide-semiconductor (the 3rd metal-oxide-semiconductor M3) with high resistant, mainly passes through ADC ports
The voltage at electric capacity C both ends is detected.
The 3rd metal-oxide-semiconductor M3 is N-channel type metal-oxide-semiconductor, and metal-oxide-semiconductor is turned on for forward voltage.
No matter N-type or p-type metal-oxide-semiconductor, its operation principle essence is the same.Metal-oxide-semiconductor is by being added in input grid
Voltage carrys out the electric current of control output end drain electrode.Metal-oxide-semiconductor be voltage-controlled device it pass through the spy for the voltage control device being added on grid
Property, it will not occur as the charge-storage effect caused by base current when triode switchs, therefore in switch application,
The switching speed of metal-oxide-semiconductor should be faster than triode.
The photoelectric coupling circuit (1) is connected with the electrode input end of the comparator (3).
The reference voltage control circuit (2) is connected with the negative input of the comparator (3).
The comparator (3) is voltage comparator.Voltage comparator can be regarded as multiplication factor close to " infinity "
Operational amplifier.The function of voltage comparator：The size for comparing two voltage (uses the high or low level of output voltage, represents two
The magnitude relationship of individual input voltage)：When electrode input end voltage is higher than negative input, voltage comparator output is high electricity
It is flat；When electrode input end voltage is less than negative input, voltage comparator output is low level.
Compared with operational amplifier, comparator need not feed back, and directly compare the amount of two inputs, if homophase input
More than anti-phase, then high level is exported, otherwise exports low level.Voltage comparator input is linearly to measure, and it is switch (height to export
Level) amount.It can be used as the chip of voltage comparator：All operational amplifiers.
In the present embodiment, the comparator (3) compares photoelectric coupling voltage and the size of reference voltage is specially：
When photoelectric coupling voltage is higher than reference voltage, comparator (3) output is high level；
When photoelectric coupling voltage is less than reference voltage, comparator (3) output is low level.
Comparator (3) is finally chosen suitable by comparing the size of photoelectric coupling voltage and reference voltage according to comparative result
The magnitude of voltage for the module that tracked for photoelectricity.
The present embodiment proposes that a kind of AGV photoelectricity tracks module voltage regulation circuit, in the negative pole of comparator, by metal-oxide-semiconductor with
Electric capacity, which is connected, accesses circuit, and send PWM ripples by MCU charges to electric capacity, and this two parts electricity consumption reverse isolation device separates；
When MCU powers, CPU ADC ports can be detected to the voltage at electric capacity both ends., can be by controlling metal-oxide-semiconductor if magnitude of voltage is too high
To be discharged.Using the method, technical staff will it is more intelligent, convenient, adjust voltage exactly.
Embodiment two
Fig. 3 is software control flow chart in the present embodiment, as shown in figure 3, in the present embodiment, circuit is to AGV Photoelectrics
Mark module carries out voltage-regulation and specifically includes step：
Magnitude of voltage is set in S1.MCU, electric capacity C is charged according to the magnitude of voltage；
MCU stores the magnitude of voltage for being largely applied to different road surface characteristics, for realizing the intelligent control of data.
In this step, MCU set as the case may be corresponding to magnitude of voltage V1, through diode D, the 5th resistance R5 start for
Electric capacity C charges, and is closed at the second metal-oxide-semiconductor M2.
S2.CPU detects the magnitude of voltage of electric capacity；
In this step, the ADC ports in CPU are detected to the magnitude of voltage at electric capacity C both ends, obtain electric capacity C both end voltages
Value V2.
S3. setting magnitude of voltage and the size of capacitance voltage value are compared；
In this step, compare the magnitude of voltage V1 and the magnitude of voltage V2 at the electric capacity C both ends of detection of setting；
If V1 is equal to V2, then it represents that electric capacity C has completed to charge, and now disconnects the first metal-oxide-semiconductor M1, the second metal-oxide-semiconductor M2；
If V1 is not equal to V2, V1 and V2 magnitude relationship are judged；
If V1 is more than V2, continue to charge；
If V1 is less than V2, the first metal-oxide-semiconductor M1 is closed, is discharged.
The software control method proposed in the present embodiment, a kind of AGV photoelectricity proposed suitable for embodiment one track module
Voltage regulator circuit, in the negative pole of comparator, metal-oxide-semiconductor is connected with electric capacity access circuit, and PWM ripples are sent to electric capacity by MCU
Charging, and this two parts electricity consumption reverse isolation device separates；When MCU powers, CPU ADC ports can be to the voltage at electric capacity both ends
Detected.If magnitude of voltage is too high, can be discharged by controlling metal-oxide-semiconductor.Using the method, technical staff will more intelligence
Can, it is convenient, adjust voltage exactly.
Can be that electric capacity C (compares by controlling MCU to send PWM ripples in the software control method proposed in the present embodiment
Device negative pole) accurate reference voltage value is provided, meanwhile, in MCU storage be largely applied to the magnitude of voltage of different road surface characteristics, can be with
The intelligent control of data is realized, so as to realize that Intelligent adjustment AGV photoelectricity tracks the purpose of module voltage.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (10)
1. a kind of AGV photoelectricity tracks, module voltage adjusts circuit, it is characterised in that including：Photoelectric coupling circuit (1), reference electricity
Press control circuit (2) and comparator (3)；
The photoelectric coupling circuit (1) is connected with the comparator (3), for inputting photoelectric coupling voltage to comparator (3)；
The reference voltage control circuit (2) is connected with the comparator (3), for inputting reference voltage to comparator (3)；
The reference voltage control circuit (2) includes：Charge-discharge circuit (4) and detection circuit (5)；
The charge-discharge circuit (4) is used for the preset voltage value according to different situations, and different reference electricity is inputted to comparator (3)
Pressure；
The detection circuit (5) is used for the magnitude of voltage for detecting the charge-discharge circuit (4)；
The comparator (3) is used for the size for comparing photoelectric coupling voltage and reference voltage.
The module voltage regulation circuit 2. a kind of AGV photoelectricity as claimed in claim 1 tracks, it is characterised in that the photoelectricity coupling
Closing circuit (1) includes：
First resistor R1, second resistance R2, LED, triode Q；
The first resistor R1 is connected to the positive pole of LED, the negative pole ground connection of the LED；
The LED provides base current, the grounded emitter of the triode Q, institute by illumination for triode Q
The colelctor electrode for stating triode Q is respectively connecting to second resistance R2 and comparator (3).
The module voltage regulation circuit 3. a kind of AGV photoelectricity as claimed in claim 1 tracks, it is characterised in that the discharge and recharge
Circuit (4) includes：3rd resistor R3, the 4th resistance R4, the 5th resistance R5, electric capacity C, the first metal-oxide-semiconductor M1, the second metal-oxide-semiconductor M2,
MCU；
One end of the 3rd resistor R3 is connected to comparator (3), and the other end is connected to the first metal-oxide-semiconductor M1 drain electrode, and described
One metal-oxide-semiconductor M1 source ground, the grid of the first metal-oxide-semiconductor M1 are respectively connecting to electric capacity C, the 4th resistance R4 and the 5th resistance
R5；
The other end ground connection of the electric capacity C；
The other end of the 4th resistance R4 is connected to the second metal-oxide-semiconductor M2 drain electrode, the source ground of the second metal-oxide-semiconductor M2,
The grid of the second metal-oxide-semiconductor M2 is connected to MCU the first I/O ports；
The 5th resistance R5 other ends are connected to MCU the 2nd I/O ports.
The module voltage regulation circuit 4. a kind of AGV photoelectricity as claimed in claim 3 tracks, it is characterised in that the discharge and recharge
Circuit also includes in (4)：Electric reverse isolation diode D；
The diode D is arranged between the 5th resistance R5 and MCU；
The 5th resistance R5 is connected to diode D negative pole, and the positive pole of the diode D is connected to MCU the 2nd I/O ends
Mouthful.
The module voltage regulation circuit 5. a kind of AGV photoelectricity as claimed in claim 3 tracks, it is characterised in that the first MOS
Pipe M1 is P-channel type metal-oxide-semiconductor；
The second metal-oxide-semiconductor M2 is P-channel type metal-oxide-semiconductor.
6. a kind of AGV photoelectricity as described in claim 1 or 3 tracks, module voltage adjusts circuit, it is characterised in that the detection
Circuit (5) includes：3rd metal-oxide-semiconductor M3 and CPU；
The source electrode of the 3rd metal-oxide-semiconductor M3 and the first metal-oxide-semiconductor M1 gate connected in parallel are connected to electric capacity C；
The drain electrode of the 3rd metal-oxide-semiconductor M3 is connected to CPU ADC ports；
The grid of the 3rd metal-oxide-semiconductor M3 is connected to CPU I/O ports.
The module voltage regulation circuit 7. a kind of AGV photoelectricity as claimed in claim 6 tracks, it is characterised in that the 3rd MOS
Pipe M3 is N-channel type metal-oxide-semiconductor.
The module voltage regulation circuit 8. a kind of AGV photoelectricity as claimed in claim 1 tracks, it is characterised in that the photoelectricity coupling
Circuit (1) is closed to be connected with the electrode input end of the comparator (3).
The module voltage regulation circuit 9. a kind of AGV photoelectricity as claimed in claim 1 tracks, it is characterised in that described with reference to electricity
Pressure control circuit (2) is connected with the negative input of the comparator (3).
The module voltage regulation circuit 10. a kind of AGV photoelectricity as claimed in claim 1 tracks, it is characterised in that the comparator
(3) size for comparing photoelectric coupling voltage and reference voltage is specially：
When photoelectric coupling voltage is higher than reference voltage, comparator (3) output is high level；
When photoelectric coupling voltage is less than reference voltage, comparator (3) output is low level.
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| CN201710968802.5A CN107807705A (en) | 2017-10-18 | 2017-10-18 | A kind of AGV photoelectricity track module voltage regulation circuit |
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| CN201710968802.5A CN107807705A (en) | 2017-10-18 | 2017-10-18 | A kind of AGV photoelectricity track module voltage regulation circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111665391A (en) * | 2019-03-08 | 2020-09-15 | 杭州海康威视数字技术股份有限公司 | Power class detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111665391A (en) * | 2019-03-08 | 2020-09-15 | 杭州海康威视数字技术股份有限公司 | Power class detection device |
| CN111665391B (en) * | 2019-03-08 | 2022-11-25 | 杭州海康威视数字技术股份有限公司 | Power level detection device |
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