CN208635718U - A kind of photoelectric sensor circuit and its photoelectric sensor - Google Patents
A kind of photoelectric sensor circuit and its photoelectric sensor Download PDFInfo
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- CN208635718U CN208635718U CN201821117280.4U CN201821117280U CN208635718U CN 208635718 U CN208635718 U CN 208635718U CN 201821117280 U CN201821117280 U CN 201821117280U CN 208635718 U CN208635718 U CN 208635718U
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Abstract
The utility model discloses a kind of photoelectric sensor circuit and its photoelectric sensors, it is in parallel with the second branch by being arranged to one of described infrared receiver route and the state instruction route or both, the running current for making the infrared emission tube includes one of running current of the infrared receiver tube and the status indicator lamp or both, take full advantage of the supply current of power supply, in the case where realizing identical induction sensitivity, reduce the fever and loss of photoelectric sensor, or in the case where identical consumption electric current, enhance transmitting light energy, photoelectric sensor is improved to the interference performance of environment light, keep operation and the movement of photoelectric sensor more stable.
Description
Technical field
The utility model relates to sensor technical field, especially a kind of photoelectric sensor circuit and its photoelectric sensor.
Background technique
Photoelectric sensor is a kind of detecting sensor, can be used to detect position and distance of object etc., in the modern times
Using extremely wide in industrial circle.Referring to Fig.1, photoelectric sensor circuit is generally provided with infrared emission tube TX and infrared
Line reception pipe RE is partially also equipped with indicator light D1, general infrared emission tube TX, infrared receiver tube RE and indicator light D1
The route at place is all arranged in parallel, and is directly connected to power input, and running current directly flows back to ground wire, leads to photoelectric sensor
Overall operation electric current is larger, and calorific value and loss are also bigger.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of photoelectric sensor circuit and its photoelectric sensings
Device can make full use of the supply current of power supply, reduce the fever and loss of photoelectric sensor, and operation and movement are more stable.
The technical solution adopted by the utility model to solve the problem is as follows:
A kind of photoelectric sensor circuit, comprising:
Power input, including power positive cathode；
Infrared emission tube is constituted infrared for emitting infrared ray between the infrared emission tube and power input
Line launching circuit, the infrared ray launching circuit include the first branch locating for infrared emission tube and concatenated with the first branch
Second branch；
Infrared receiver route, is provided with infrared receiver tube, and the infrared receiver tube response infrared emission tube is sent out
Penetrate the current switching of infrared receiver route described in infrared control；
Output control lines are connect with power input, and the output control lines are provided with for controlling output control
The first switch tube of line current size, the control terminal and infrared receiver connection of the first switch tube；
State output route, including state output end and state output terminal, the state output terminal route and output control
Connection；
Status indicator lamp is connect with output control lines, and the status indicator lamp and first switch tube constitute state instruction
Route；
The infrared receiver route and/or state instruction route are in parallel with second branch.
Further, the state instruction route further includes and the concatenated 3rd resistor of the status indicator lamp, the state
Indicator light, 3rd resistor and first switch tube constitute state instruction route.
Further, the infrared receiver route is in parallel with the second branch, and the state instruction route and power supply are positive and negative
Pole connection；Or the state instruction route is in parallel with the second branch, the infrared receiver route and power positive cathode connect
It connects；Or the infrared receiver route and state instruction route it is in parallel with the second branch.
A kind of photoelectric sensor circuit, including
Power input, including power positive cathode；
Infrared emission tube is constituted infrared for emitting infrared ray between the infrared emission tube and power input
Line launching circuit, the infrared ray launching circuit include the first branch locating for infrared emission tube and concatenated with the first branch
Second branch；
Infrared receiver route, is provided with infrared receiver tube, and the infrared receiver tube response infrared emission tube is sent out
Penetrate the size of current of infrared control infrared receiver route；The infrared receiver route is in parallel with second branch；
Output control lines are connect with power input, and the output control lines are provided with for controlling output control
The first switch tube of line current on-off, the control terminal and infrared receiver connection of the first switch tube；
State output route, including state output end and state output terminal, the state output terminal route and output control
Connection.
Further, the second branch includes the first electricity being connected between the power input with the first branch
Resistance.
Further, the infrared receiver route further include with the concatenated second resistance of the infrared emission tube, described
The control terminal of one switching tube is connected at the tie point of second resistance and infrared emission tube.
Further, the state output end of the state output route by single-chip microcontroller, logic gate, amplifier, comparator or
Person's analog-digital converter is connect with the state output terminal.
A kind of photoelectric sensor using above-mentioned photoelectric sensor circuit, including shell, the shell include the yoke that shines
With reception yoke, the infrared emission tube is arranged on the luminous yoke, and the infrared receiver tube setting connects described
It receives on yoke.
The beneficial effects of the utility model are: a kind of photoelectric sensor circuit and its photoelectric sensing that the utility model uses
Device, by the way that one of described infrared receiver route and the state instruction route or both to be arranged to and described second
Road is in parallel, makes the running current of the infrared emission tube comprising the operation of the infrared receiver tube and the status indicator lamp
One of electric current or both takes full advantage of the supply current of power supply, in the case where realizing identical induction sensitivity,
The fever and loss of photoelectric sensor are reduced, or in the case where identical consumption electric current, enhance transmitting light energy, improves light
Electric transducer keeps the operation of photoelectric sensor and movement more stable the interference performance of environment light.
Detailed description of the invention
The utility model is described in further detail with example with reference to the accompanying drawing.
Fig. 1 is the circuit diagram of the prior art；
Fig. 2 is the circuit diagram of the utility model embodiment one；
Fig. 3 is the circuit diagram of the utility model embodiment two；
Fig. 4 is the circuit diagram of the utility model embodiment three；
Fig. 5 is the circuit diagram of the utility model embodiment four；
Fig. 6 is the circuit diagram of the utility model embodiment five；
Fig. 7 is the circuit diagram of the utility model embodiment six；
Fig. 8 is the circuit diagram of the utility model embodiment eight；
Fig. 9 is a kind of overall appearance figure of photoelectric sensor of the utility model.
Specific embodiment
A kind of photoelectric sensor circuit provided by the utility model, comprising:
Power input, including power positive cathode；
Infrared emission tube TX is constituted between the infrared emission tube TX and power input for emitting infrared ray
Infrared ray launching circuit 1, the infrared ray launching circuit 1 include the first branch 11 locating for infrared emission tube TX and with first
The concatenated second branch 12 of branch 11；
Infrared receiver route 2, is provided with infrared receiver tube RE, and the infrared receiver tube RE responds infrared emission tube
The size of current of infrared receiver route 2 described in the emitted infrared control of TX；When infrared receiver tube RE be not received by it is infrared
When the infrared ray that line transmitting tube TX is emitted, the electric current of infrared receiver route 2 is smaller；When infrared receiver tube RE receive it is infrared
When the infrared ray that line transmitting tube TX is emitted, the electric current of infrared receiver route 2 is larger；
Output control lines 3, connect with power input, and the output control lines 3 are provided with for controlling output control
The first switch tube Q1 of 3 current switching of route processed, the control terminal of the first switch tube Q1 are connect with infrared receiver route 2；Its
In, output control lines 3 both can directly be connect with power input, can also be connect indirectly with power input, two kinds of companies
Mode is connect to further illustrate by specific embodiment；
State output route 4, including state output end O1 and state output terminal, the state output terminal route and output are controlled
Route 3 processed connects；
Status indicator lamp D1 is connect with output control lines 3, and the status indicator lamp D1 and first switch tube Q1 constitute shape
State indicates route；
The infrared receiver route 2 and/or state instruction route are in parallel with second branch 12.
Further, the state instruction route further include with the concatenated 3rd resistor R3 of the status indicator lamp D1, it is described
Status indicator lamp D1,3rd resistor R3 and first switch tube Q1 constitute state instruction route.
Further, the infrared receiver route 2 is in parallel with the second branch 12, and the state instruction route and power supply are just
Cathode connection；Or the state instruction route is in parallel with the second branch 12, the infrared receiver route 2 and power supply are positive and negative
Pole connection；Or the infrared receiver route 2 and state instruction route are in parallel with the second branch 12.
Another kind photoelectric sensor circuit provided by the utility model, comprising:
Power input, including power positive cathode；
Infrared emission tube TX is constituted between the infrared emission tube TX and power input for emitting infrared ray
Infrared ray launching circuit 1, the infrared ray launching circuit 1 include the first branch 11 locating for infrared emission tube TX and with first
The concatenated second branch 12 of branch 11；
Infrared receiver route 2, is provided with infrared receiver tube RE, and the infrared receiver tube RE responds infrared emission tube
The size of current of the emitted infrared control infrared receiver route 2 of TX；The infrared receiver route 2 is in parallel with second branch 12；
Output control lines 3, connect with power input, and the output control lines 3 are provided with for controlling output control
The first switch tube Q1 of 3 current switching of route processed, the control terminal of the first switch tube Q1 are connect with infrared receiver route 2；
State output route 4, including state output end O1 and state output terminal, the state output terminal route and output are controlled
Route 3 processed connects.
Further, the second branch 12 includes be connected between the power input with the first branch 11
One resistance R1.
Further, the infrared receiver route 2 further includes and the concatenated second resistance R2 of the infrared emission tube TX, institute
The control terminal for stating first switch tube Q1 is connected at the tie point of second resistance R2 and infrared emission tube TX.
Further, the state output end O1 of the state output route 4 passes through single-chip microcontroller, logic gate, amplifier, comparator
Or analog-digital converter is connect with the state output terminal.
Referring to Fig. 9, a kind of photoelectric sensor using above-mentioned photoelectric sensor circuit, including shell 10, the shell 10
Including yoke 101 and the reception yoke 102 of shining, the infrared emission tube TX is arranged on the luminous yoke 101, described red
Outside line reception pipe RE is arranged on the reception yoke 102, and status indicator lamp D1 is additionally provided on shell 10.
A kind of photoelectric sensor circuit and its photoelectric sensor that the utility model uses, by by the infrared receiver line
One of road 2 and the state instruction route or both are arranged in parallel with the second branch 12, make the infrared ray
The running current of transmitting tube TX includes one of the running current of the infrared receiver tube RE and the status indicator lamp D1
Or both, the supply current of power supply is taken full advantage of, in the case where realizing identical induction sensitivity, reduces photoelectric sensing
The fever and loss of device, or in the case where identical consumption electric current, transmitting light energy is enhanced, photoelectric sensor is improved to ring
The interference performance of border light keeps the operation of photoelectric sensor and movement more stable.
Below with reference to embodiment, the utility model is described in further detail, but the embodiments of the present invention
It is without being limited thereto.
Embodiment one
Referring to Fig. 2, a kind of photoelectric sensor circuit, including power input, infrared ray launching circuit 1, infrared receiver line
Road 2, output control lines 3, state output route 4 and status indicator lamp D1；
Power input includes positive pole P+ and power cathode P-, and infrared receiver route 2 includes by infrared emission tube
The first branch 11 of TX composition and the second branch 12 being made of first resistor R1, positive pole P+ connection first resistor R1, the
One resistance R1 connection infrared emission tube TX, infrared emission tube TX connection power cathode P-；
Infrared receiver route 2 includes second resistance R2 and infrared receiver tube RE, positive pole P+ connection second resistance R2,
Second resistance R2 connection infrared receiver tube RE, infrared receiver tube RE are connected to first resistor R1's and infrared emission tube TX
At tie point, at this point, infrared receiver route 2 is in parallel with second branch 12, infrared receiver tube RE receives infrared emission tube
The running current be connected when the infrared light that TX is issued imports infrared from the tie point of first resistor R1 and infrared emission tube TX
Line transmitting tube TX；
Output control lines 3 include first switch tube Q1, the 4th resistance R4 and the 5th resistance R5, positive pole P+ connection the
One switching tube Q1, first switch tube Q1 connection the 4th resistance R4, the 5th resistance R5 of the 4th resistance R4 connection, the 5th resistance R5 connection
Power cathode P-, the control terminal of first switch tube Q1 are additionally coupled at the tie point of second resistance R2 and infrared receiver tube RE,
At this point, first switch tube Q1 is controlled by infrared receiver route 2；
State output route 4 includes state output end O1, second switch Q2, state output terminal, and state output end O1 connects
Second switch Q2 is met, the control terminal of second switch Q2 connection power cathode P-, second switch Q2 are state output terminal,
State output terminal is connected at the tie point of the 4th resistance R4 and the 5th resistance R5；
The one end status indicator lamp D1 is connected at the tie point of first switch tube Q1 and the 4th resistance R4, and the other end is connected to
Power cathode P- is additionally provided with and the concatenated 3rd resistor R3 of status indicator lamp D1 for guard mode indicator light D1.
Embodiment two
Referring to Fig. 3, a kind of photoelectric sensor circuit, including power input, infrared ray launching circuit 1, infrared receiver line
Road 2, output control lines 3, state output route 4 and status indicator lamp D1；
Power input includes positive pole P+ and power cathode P-, and infrared receiver route 2 includes by infrared emission tube
The first branch 11 of TX composition and the second branch 12 being made of first resistor R1, positive pole P+ connection first resistor R1, the
One resistance R1 connection infrared emission tube TX, infrared emission tube TX connection power cathode P-；
Infrared receiver route 2 includes second resistance R2 and infrared receiver tube RE, positive pole P+ connection second resistance R2,
Second resistance R2 connection infrared receiver tube RE, infrared receiver tube RE are connected to power cathode P-；
Output control lines 3 include first switch tube Q1, the 4th resistance R4 and the 5th resistance R5, positive pole P+ connection the
One switching tube Q1, first switch tube Q1 connection the 4th resistance R4, the 5th resistance R5 of the 4th resistance R4 connection, the 5th resistance R5 connection
Power cathode P-, the control terminal of first switch tube Q1 are additionally coupled at the tie point of second resistance R2 and infrared receiver tube RE,
At this point, first switch tube Q1 is controlled by infrared receiver route 2；
State output route 4 includes state output end O1, second switch Q2, state output terminal, and state output end O1 connects
Second switch Q2 is met, the control terminal of second switch Q2 connection power cathode P-, second switch Q2 are state output terminal,
State output terminal is connected at the tie point of the 4th resistance R4 and the 5th resistance R5；
The one end status indicator lamp D1 is connected at the tie point of first switch tube Q1 and the 4th resistance R4, and the other end is connected to
At the tie point of first resistor R1 and infrared emission tube TX, for guard mode indicator light D1, it is additionally provided with and state instruction
The concatenated 3rd resistor R3 of lamp D1, second switch Q2,3rd resistor R3 and status indicator lamp D1 constitute state instruction line at this time
Road, state instruction route is in parallel with second branch 12, and infrared receiver tube RE receives the infrared of infrared emission tube TX sending
Light time conducting, is connected first switch tube Q1, and the energization of state instruction route makes status indicator lamp D1 be powered, status indicator lamp D1's
Running current imports infrared emission tube TX from the tie point of first resistor R1 and infrared emission tube TX.
Embodiment three
Referring to Fig. 4, a kind of photoelectric sensor circuit, including power input, infrared ray launching circuit 1, infrared receiver line
Road 2, output control lines 3, state output route 4 and status indicator lamp D1；
Power input includes positive pole P+ and power cathode P-, and infrared receiver route 2 includes by infrared emission tube
The first branch 11 of TX composition and the second branch 12 being made of first resistor R1, positive pole P+ connection first resistor R1, the
One resistance R1 connection infrared emission tube TX, infrared emission tube TX connection power cathode P-；
Infrared receiver route 2 includes second resistance R2 and infrared receiver tube RE, positive pole P+ connection second resistance R2,
Second resistance R2 connection infrared receiver tube RE, infrared receiver tube RE are connected to first resistor R1's and infrared emission tube TX
At tie point, at this point, infrared receiver route 2 is in parallel with second branch 12, infrared receiver tube RE receives infrared emission tube
The running current be connected when the infrared light that TX is issued imports infrared from the tie point of first resistor R1 and infrared emission tube TX
Line transmitting tube TX；
Output control lines 3 include first switch tube Q1, the 4th resistance R4 and the 5th resistance R5, positive pole P+ connection the
One switching tube Q1, first switch tube Q1 connection the 4th resistance R4, the 5th resistance R5 of the 4th resistance R4 connection, the 5th resistance R5 connection
Power cathode P-, the control terminal of first switch tube Q1 are additionally coupled at the tie point of second resistance R2 and infrared receiver tube RE,
At this point, first switch tube Q1 is controlled by infrared receiver route 2；
State output route 4 includes state output end O1, second switch Q2, state output terminal, and state output end O1 connects
Second switch Q2 is met, the control terminal of second switch Q2 connection power cathode P-, second switch Q2 are state output terminal,
State output terminal is connected at the tie point of the 4th resistance R4 and the 5th resistance R5；
The one end status indicator lamp D1 is connected at the tie point of first switch tube Q1 and the 4th resistance R4, and the other end is connected to
At the tie point of first resistor R1 and infrared emission tube TX, for guard mode indicator light D1, it is additionally provided with and state instruction
The concatenated 3rd resistor R3 of lamp D1, second switch Q2,3rd resistor R3 and status indicator lamp D1 constitute state instruction line at this time
Road, state instruction route is in parallel with second branch 12, and infrared receiver tube RE receives the infrared of infrared emission tube TX sending
Light time conducting, is connected first switch tube Q1, and the energization of state instruction route makes status indicator lamp D1 be powered, status indicator lamp D1's
Running current imports infrared emission tube TX from the tie point of first resistor R1 and infrared emission tube TX.
Example IV
Referring to Fig. 5, a kind of photoelectric sensor circuit, including power input, infrared ray launching circuit 1, infrared receiver line
Road 2, output control lines 3, state output route 4 and status indicator lamp D1；
Power input includes positive pole P+ and power cathode P-, and infrared receiver route 2 includes by infrared emission tube
The first branch 11 of TX composition and the second branch 12 being made of first resistor R1, positive pole P+ connection infrared emission tube
TX, infrared emission tube TX connection first resistor R1, first resistor R1 connection power cathode P-；
Infrared receiver route 2 includes second resistance R2 and infrared receiver tube RE, infrared emission tube TX and first resistor
The tie point of R1 connects second resistance R2, second resistance R2 connection infrared receiver tube RE, infrared receiver tube RE connection power supply
Cathode P-, at this point, infrared receiver route 2 is in parallel with second branch 12, infrared receiver tube RE receives infrared emission tube TX
It is connected when the infrared light of sending, running current a part of infrared emission tube TX branches to infrared receiver route 2 as infrared
The conducting electric current of line reception pipe RE；
Output control lines 3 include first switch tube Q1, the 4th resistance R4 and the 5th resistance R5, infrared emission tube TX with
The tie point of first resistor R1 connects first switch tube Q1, the 4th resistance R4 of first switch tube Q1 connection, the 4th resistance R4 connection
5th resistance R5, the 5th resistance R5 connection power cathode P-, the control terminal of first switch tube Q1 be additionally coupled to second resistance R2 with
At the tie point of infrared receiver tube RE, at this point, first switch tube Q1 is controlled by infrared receiver route 2；
State output route 4 includes state output end O1, second switch Q2, state output terminal, and state output end O1 connects
Second switch Q2 is met, the control terminal of second switch Q2 connection power cathode P-, second switch Q2 are state output terminal,
State output terminal is connected at the tie point of the 4th resistance R4 and the 5th resistance R5；
The one end status indicator lamp D1 is connected at the tie point of first switch tube Q1 and the 4th resistance R4, and the other end is connected to
Power cathode P-, for guard mode indicator light D1, be additionally provided with the concatenated 3rd resistor R3 of status indicator lamp D1, at this time
Second switch Q2,3rd resistor R3 and status indicator lamp D1 constitute state instruction route, state instruction route and second branch
12 is in parallel, and conducting when infrared receiver tube RE receives the infrared light of infrared emission tube TX sending leads first switch tube Q1
Logical, the energization of state instruction route makes status indicator lamp D1 be powered, and running current a part of infrared emission tube TX branches to shape
State indicates conducting electric current of the route as status indicator lamp D1.
Embodiment five
Referring to Fig. 6, a kind of photoelectric sensor circuit provided in this embodiment is to increase one on the basis of embodiment three
A little protective resistances and stablize start-up circuit 5, specifically, stablizing start-up circuit 5 includes third switching tube Q3 and the 6th resistance R6, electricity
Source anode P+ is connected to second resistance R2 by third switching tube Q3, and positive pole P+ also passes through the 6th resistance R6 and is connected to first
Resistance R1, the control terminal of third switching tube Q3 are connected at the tie point of the 6th resistance R6 and first resistor R1；
Further include and the concatenated 7th resistance R7 of infrared receiver tube RE, specifically, the 7th resistance of second resistance R2 connection
R7, the 7th resistance R7 connection infrared receiver tube RE, infrared receiver tube RE are connected to first resistor R1 and infrared emission tube
At the tie point of TX, the control terminal of first switch tube Q1 is connected at the tie point of second resistance R2 and the 7th resistance R7；Also wrap
Include the 8th resistance R8 for being connected in parallel on the both ends status indicator lamp D1；It further include the 9th resistance R9, the 9th one end resistance R9 is connected to
At the tie point of two resistance R2 and the 7th resistance R7, the other end is connected to power cathode P-.
Increased protective resistance and stablize start-up circuit 5 in the present embodiment and be not only applicable to embodiment three, it can also be
Similarly increase in other embodiments, no longer repeats one by one herein.
Embodiment six
Referring to Fig. 7, a kind of photoelectric sensor circuit without status indicator lamp D1 that the present embodiment also provides, including power supply
Input terminal, infrared ray launching circuit 1, infrared receiver route 2, output control lines 3 and state output route 4；
Power input includes positive pole P+ and power cathode P-, and infrared receiver route 2 includes by infrared emission tube
The first branch 11 of TX composition and the second branch 12 being made of first resistor R1, positive pole P+ connection first resistor R1, the
One resistance R1 connection infrared emission tube TX, infrared emission tube TX connection power cathode P-；
Infrared receiver route 2 includes second resistance R2 and infrared receiver tube RE, positive pole P+ connection second resistance R2,
Second resistance R2 connection infrared receiver tube RE, infrared receiver tube RE are connected to first resistor R1's and infrared emission tube TX
At tie point, at this point, infrared receiver route 2 is in parallel with second branch 12, infrared receiver tube RE receives infrared emission tube
The running current be connected when the infrared light that TX is issued imports infrared from the tie point of first resistor R1 and infrared emission tube TX
Line transmitting tube TX；
Output control lines 3 include first switch tube Q1, the 4th resistance R4 and the 5th resistance R5, positive pole P+ connection the
One switching tube Q1, first switch tube Q1 connection the 4th resistance R4, the 5th resistance R5 of the 4th resistance R4 connection, the 5th resistance R5 connection
Power cathode P-, the control terminal of first switch tube Q1 are additionally coupled at the tie point of second resistance R2 and infrared receiver tube RE,
At this point, first switch tube Q1 is controlled by infrared receiver route 2；
State output route 4 includes state output end O1, second switch Q2, state output terminal, and state output end O1 connects
Second switch Q2 is met, the control terminal of second switch Q2 connection power cathode P-, second switch Q2 are state output terminal,
State output terminal is connected at the tie point of the 4th resistance R4 and the 5th resistance R5.
Embodiment seven
The present embodiment provides the positive and negative overturning mirror image circuits of embodiment five, need to only make the photoelectric sensor circuit in Fig. 6
With down conversion: positive pole P+ and power cathode exchange；First switch tube Q1 and third switching tube Q3 original use three pole of positive-negative-positive
Pipe, is now changed to NPN type triode；Second switch Q2 original uses NPN type triode, is now changed to PNP type triode；By infrared ray
Transmitting tube TX, infrared receiver tube RE and the positive negative direction of status indicator lamp D1 installation are turned.
Similarly, embodiment one to four and embodiment six are also referred to this transform method and accordingly obtain its positive and negative overturning mirror image
Circuit.
Embodiment eight
Referring to Fig. 8, the present embodiment provides the another embodiment of state output route 4, the state output route 4
State output end O1 is by logic gate connection status input terminal, and specifically, state output route 4 uses XOR gate H8, XOR gate
An input terminal of H8 is connected to the tie point of first switch tube Q1 and the 4th resistance R4, another input terminal is as low and high level
Input terminal IN1, state output end O1 are connected to the output end of XOR gate H8.
State output route 4 is in addition to connecting shape with logic gate described in Fig. 8 using amplifier circuit described in Fig. 1 to Fig. 7
State output end O1 and output control lines 3 can also use single-chip microcontroller, comparator or analog-digital converter, those skilled in the art
Member can be implemented under the premise of not making the creative labor.
The above, the only preferred embodiment of the utility model, the utility model are not limited to above-mentioned implementation
Mode, as long as its technical effect for reaching the utility model with identical means, all should belong to the protection scope of the utility model.
Claims (10)
1. a kind of photoelectric sensor circuit characterized by comprising
Power input, including power positive cathode；
Infrared emission tube (TX) is constituted between the infrared emission tube (TX) and power input for emitting infrared ray
Infrared ray launching circuit (1), the infrared ray launching circuit (1) include the first branch (11) locating for infrared emission tube (TX)
With with the first branch (11) concatenated second branch (12)；
Infrared receiver route (2) is provided with infrared receiver tube (RE), infrared receiver tube (RE) the response infrared ray transmitting
Manage the size of current of infrared receiver route (2) described in (TX) emitted infrared control；
Output control lines (3), connect with power input, and the output control lines (3) are provided with for controlling output control
The first switch tube (Q1) of route (3) current switching processed, control terminal and infrared receiver route (2) of the first switch tube (Q1)
Connection；
State output route (4), including state output end (O1) and state output terminal, the state output terminal route and output are controlled
Route (3) connection processed；
Status indicator lamp (D1) is connect with output control lines (3), the status indicator lamp (D1) and first switch tube (Q1) structure
At state instruction route；
The infrared receiver route (2) and/or state instruction route are in parallel with second branch (12).
2. a kind of photoelectric sensor circuit according to claim 1, which is characterized in that the state instruction route further includes
With the status indicator lamp (D1) concatenated 3rd resistor (R3), the status indicator lamp (D1), 3rd resistor (R3) and first
Switching tube (Q1) constitutes state instruction route.
3. a kind of photoelectric sensor circuit according to claim 1 or 2, which is characterized in that the infrared receiver route
(2) in parallel with the second branch (12), the state instruction route is connect with power positive cathode.
4. a kind of photoelectric sensor circuit according to claim 1 or 2, which is characterized in that the state instruction route
In parallel with the second branch (12), the infrared receiver route (2) connect with power positive cathode.
5. a kind of photoelectric sensor circuit according to claim 1 or 2, which is characterized in that the infrared receiver route
(2) and state instruction route is in parallel with the second branch (12).
6. a kind of photoelectric sensor circuit characterized by comprising
Power input, including power positive cathode；
Infrared emission tube (TX) is constituted between the infrared emission tube (TX) and power input for emitting infrared ray
Infrared ray launching circuit (1), the infrared ray launching circuit (1) include the first branch (11) locating for infrared emission tube (TX)
With with the first branch (11) concatenated second branch (12)；
Infrared receiver route (2) is provided with infrared receiver tube (RE), infrared receiver tube (RE) the response infrared ray transmitting
Manage the size of current of (TX) emitted infrared control infrared receiver route (2)；The infrared receiver route (2) and second branch
(12) in parallel；
Output control lines (3), connect with power input, and the output control lines (3) are provided with for controlling output control
The first switch tube (Q1) of route (3) current switching processed, control terminal and infrared receiver route (2) of the first switch tube (Q1)
Connection；
State output route (4), including state output end (O1) and state output terminal, the state output terminal route and output are controlled
Route (3) connection processed.
7. according to claim 1 or a kind of photoelectric sensor circuit described in 6, which is characterized in that the second branch (12)
The first resistor (R1) being connected on including the first branch (11) between the power input.
8. according to claim 1 or a kind of photoelectric sensor circuit described in 6, which is characterized in that the infrared receiver route
(2) further include and the infrared emission tube (TX) concatenated second resistance (R2), the control terminal of the first switch tube (Q1)
It is connected at the tie point of second resistance (R2) and infrared emission tube (TX).
9. according to claim 1 or a kind of photoelectric sensor circuit described in 6, which is characterized in that the state output route
(4) state output end (O1) is defeated by single-chip microcontroller, logic gate, amplifier, comparator or analog-digital converter and the state
Enter end connection.
10. a kind of photoelectric sensor using any photoelectric sensor circuit of claim 1-9, which is characterized in that including
Shell (10), the shell (10) include shining yoke (101) and receiving yoke (102), and the infrared emission tube (TX) sets
It sets on the luminous yoke (101), the infrared receiver tube (RE) is arranged on the reception yoke (102).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987465 | 2018-06-25 | ||
| CN2018209874654 | 2018-06-25 |
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| CN208635718U true CN208635718U (en) | 2019-03-22 |
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| CN201821117280.4U Active CN208635718U (en) | 2018-06-25 | 2018-07-13 | A kind of photoelectric sensor circuit and its photoelectric sensor |
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| CN (1) | CN208635718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759677A (en) * | 2018-06-25 | 2018-11-06 | 梁益维 | A kind of photoelectric sensor circuit and its photoelectric sensor |
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2018
- 2018-07-13 CN CN201821117280.4U patent/CN208635718U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759677A (en) * | 2018-06-25 | 2018-11-06 | 梁益维 | A kind of photoelectric sensor circuit and its photoelectric sensor |
| CN108759677B (en) * | 2018-06-25 | 2024-05-07 | 梁益维 | Photoelectric sensor circuit and photoelectric sensor thereof |
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