CN207215135U - A kind of dual pass encoding device control circuit - Google Patents
A kind of dual pass encoding device control circuit Download PDFInfo
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- CN207215135U CN207215135U CN201721202569.1U CN201721202569U CN207215135U CN 207215135 U CN207215135 U CN 207215135U CN 201721202569 U CN201721202569 U CN 201721202569U CN 207215135 U CN207215135 U CN 207215135U
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- encoding device
- control circuit
- device control
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Abstract
It the utility model is related to encoder control technology field, refer in particular to a kind of dual pass encoding device control circuit, including signal generation unit, first signal processing unit and secondary signal processing unit, double optoelectronic switch and reverse connecting protection units, compared with prior art, it is of the present utility model to be used to control the first signal processing unit and secondary signal processing unit by double optoelectronic switches, the direction of rotation is can determine whether from the phase relation of the processing a-signal and B signal of the first signal processing unit or secondary signal processing unit, and the first signal processing unit of the present utility model and secondary signal processing unit are simultaneously operable, greatly improve the service behaviour of encoder, also the utility model adds reverse connecting protection unit in dual pass encoding device control circuit, the irreversible damage that can effectively prevent reverse power connection from being brought to circuit.
Description
Technical field
Encoder control technology field is the utility model is related to, refers in particular to a kind of dual pass encoding device control circuit.
Background technology
Recently, the position of the various devices with driver is detected using encoder.Encoder is can be installed on machine
Bed or the drive shaft of coordinate measurment instrument or the shift position measurement apparatus of rotary shaft.Generally, encoder can be used to detect
The linear encoder of linear displacement and the rotary encoder for detecting rotational angle.The example of the detection method of encoder removes light
Also include magnetic-type, capacitor type and electromagnetic induction type beyond electric type.
But current encoder is typically only capable to count or detects the rotating of motor, also present encoder is single
Output, it is difficult to meet the exploitation in some fields.
The content of the invention
The utility model provides a kind of countable, detection motor positive and inverse, the volume of dual output for problem of the prior art
Code device control circuit.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical scheme that：
A kind of dual pass encoding device control circuit provided by the utility model, including
Signal generation unit, for producing two-way pulse control signal a-signal and B signal；
First signal processing unit and secondary signal processing unit, it is respectively used to turn the signal a-signal or B signal of input
Change square-wave signal output into；
Double optoelectronic switches, different signal processing units is opened for controlling；
Reverse connecting protection unit, for preventing that reversal connection occurs when accessing power supply.
Preferably, the reverse connecting protection unit is diode.
Preferably, first signal processing unit and the secondary signal processing unit are in parallel.
Preferably, the signal generation unit includes bleeder circuit, signal amplification circuit, the bleeder circuit and letter
Number amplifying circuit is electrically connected with.
Preferably, first signal amplification circuit includes amplifier U1-A, resistance R6, binding post J1, described the
It is output that binary signal amplifying circuit, which includes amplifier U1-B, resistance R7, binding post J2, the amplifier U1-A the 1st interface,
End is connected with binding post J1 the 1st interface, and the 7th interface of the amplifier U1-B is the 1st of output end and binding post J2 the
Interface connects, and the 2nd interface of the amplifier U1-A and the 6th interface of the amplifier U1-B connect with double optoelectronic switches
Connect, the interface 3 of the interface 3 of the binding post J1 and the binding post J2 is grounded, the binding post J1
The 2nd interface be connected with the 2nd equal power supply of interface of the binding post J2, the interface 3 of the amplifier U1-A and described put
Big device U1-B the 5th interface is connected with the bleeder circuit, one end of the resistance R6 and the output end of the amplifier U1-A
Connection, the other end of the resistance R6 are connected with power supply, one end of the resistance R7 and the output of the amplifier U1-B
End connection, the other end of the resistance R7 are connected with power supply.
Preferably, the dual pass encoding device control circuit also includes filter circuit, the filter circuit includes electric capacity
C1 and electric capacity C2, one end of the electric capacity C1 and the electric capacity C2 one end are connected with power supply, the other end of the electric capacity C1
It is grounded with the other end of the electric capacity C2.
Preferably, the model SITAB74 of double optoelectronic switches, double optoelectronic switches include the first photosensitive two pole
Pipe, the second photodiode, diode, the first port of first photodiode and the first end of the second photodiode
Mouth is connected with power supply, and the second port of first photodiode is grounded by resistance R4, second photodiode
Second port be grounded by resistance R5, the first port of the diode is connected with power supply, the second port of the diode
Ground connection
Preferably, the power supply uses dc source of the voltage for 5V.
The beneficial effects of the utility model：
A kind of dual pass encoding device control circuit provided by the utility model, it is compared with prior art, of the present utility model
Be used to control the first signal processing unit and secondary signal processing unit by double optoelectronic switches, from the first signal processing unit or
The processing a-signal of secondary signal processing unit and the phase relation of B signal can determine whether the direction of rotation, and of the present utility model
First signal processing unit and secondary signal processing unit are simultaneously operable, and greatly improve the service behaviour of encoder, also
There is the utility model to add reverse connecting protection unit in dual pass encoding device control circuit, can effectively prevent reverse power connection to electricity
The irreversible damage that road is brought.
Brief description of the drawings
Fig. 1 is electric operation control circuit figure of the present utility model.
Embodiment
For the ease of the understanding of those skilled in the art, the utility model is made with reference to embodiment and accompanying drawing further
Explanation, the content that embodiment refers to not to restriction of the present utility model.The utility model is carried out below in conjunction with accompanying drawing
Detailed description.
A kind of dual pass encoding device control circuit provided by the utility model, including signal generation
Unit, for producing two-way pulse control signal, the two-way pulse control signal is a-signal and B signal；First signal transacting
Unit and secondary signal processing unit, it is respectively used to the a-signal of input or B signal being converted into square-wave signal output；Double photoelectricity
Switch, for gating the first signal processing unit or secondary signal processing unit；Reverse connecting protection unit, for preventing in access electricity
Reversal connection occurs during source, it is compared with prior art, of the present utility model to be used to control the first signal transacting list by double optoelectronic switches
Member and secondary signal processing unit, from the phase of the a-signal and B signal of the first signal processing unit or secondary signal processing unit
Relation can determine whether the direction of rotation, and the first signal processing unit of the present utility model and secondary signal processing unit can be simultaneously
Work, greatly improves the service behaviour of encoder, and also the utility model adds in dual pass encoding device control circuit
Reverse connecting protection unit, the irreversible damage that can effectively prevent reverse power connection from being brought to circuit.
In the present embodiment, the reverse connecting protection unit is diode D1.
In the present embodiment, first signal processing unit and the secondary signal processing unit are in parallel.
In the present embodiment, first signal processing unit includes bleeder circuit, signal with secondary signal processing unit
Amplifying circuit, the bleeder circuit and signal amplification circuit are electrically connected with, and signal A and signal B are converted into by signal amplification circuit
Square-wave signal exports, and compared with traditional binding post control circuit, this dual pass encoding device control circuit can turn to motor
Speed is counted, so as to calculate the rotating speed of motor.
In the present embodiment, first signal amplification circuit includes amplifier U1-A, resistance R6, binding post J1, described
Secondary signal amplifying circuit includes amplifier U1-B, resistance R7, binding post J2, the output end of the amplifier U1-A and wiring
Terminal J1 connections, the output end of the amplifier U1-B are connected with binding post J2, the negative input end of the amplifier U1-A and
The negative input end of the amplifier U1-B is connected with double optoelectronic switches, the interface 3 of the binding post J1 with it is described
Binding post J2 interface 3 is grounded, and the 2nd interface of the binding post J1 connects with the 2nd of the binding post J2
Mouth power supply connection, the positive input terminal of the amplifier U1-A and the amplifier U1-B positive input terminal and the bleeder circuit
Connection, one end of the resistance R6 are connected with the output end of the amplifier U1-A, and the other end and the power supply of the resistance R6 connect
Connect, one end of the resistance R7 is connected with the output end of the amplifier U1-B, and the other end of the resistance R7 is connected with power supply.
In the present embodiment, the dual pass encoding device control circuit also includes filter circuit, and the filter circuit includes electricity
Appearance C1 and electric capacity C2, one end of the electric capacity C1 and the electric capacity C2 one end are connected with power supply, and the electric capacity C1's is another
End and the electric capacity C2 other end are grounded.
In the present embodiment, the model SITAB74 of double optoelectronic switches, double optoelectronic switches include control unit with
Two switch portions；Two switch portions are connected with the first signal processing unit, secondary signal processing unit respectively.
Double optoelectronic switches include the first photodiode, the second photodiode, diode, described first photosensitive two
The first port of pole pipe and the first port of the second photodiode are connected with power supply, and the second of first photodiode
Port is grounded by resistance R4, and the second port of second photodiode is grounded by resistance R5, and the of the diode
Single port is connected with power supply, the second port ground connection of the diode.
In the present embodiment, the power supply uses dc source of the voltage for 5V.
It is described above, only it is the utility model preferred embodiment, not the utility model is made any formal
Limitation, although the utility model is disclosed as above with preferred embodiment, but is not limited to the utility model, any to be familiar with sheet
Technical professional, do not departing from the range of technical solutions of the utility model, made when using the technology contents of the disclosure above
A little change or the equivalent embodiment for being modified to equivalent variations, as long as being without departing from the content of the technical scheme of the utility model, foundation
The utility model technology refers to any simple modification, equivalent change and modification made to above example, belongs to this practicality
In the range of new technique scheme.
Claims (8)
- A kind of 1. dual pass encoding device control circuit, it is characterised in that：IncludingSignal generation unit, for producing two-way pulse control signal a-signal and B signal；First signal processing unit and secondary signal processing unit, it is respectively used to the signal a-signal or B signal of input being converted into Square-wave signal exports；Double optoelectronic switches, different signal processing units is opened for controlling；Reverse connecting protection unit, for preventing that reversal connection occurs when accessing power supply.
- A kind of 2. dual pass encoding device control circuit according to claim 1, it is characterised in that：The reverse connecting protection unit For diode.
- A kind of 3. dual pass encoding device control circuit according to claim 1, it is characterised in that：First signal transacting Unit and the secondary signal processing unit are in parallel.
- A kind of 4. dual pass encoding device control circuit according to claim 1, it is characterised in that：The signal generation unit Include bleeder circuit, signal amplification circuit, the bleeder circuit and signal amplification circuit are electrically connected with.
- A kind of 5. dual pass encoding device control circuit according to claim 1, it is characterised in that：The first signal amplification Circuit includes amplifier U1-A, resistance R6, binding post J1, and the secondary signal amplifying circuit includes amplifier U1-B, resistance R7, binding post J2, the amplifier U1-A the 1st interface are connected for output end with binding post J1 the 1st interface, described to put Big device U1-B the 7th interface is connected for output end with binding post J2 the 1st interface, the 2nd interface of the amplifier U1-A with The 6th interface of the amplifier U1-B is connected with double optoelectronic switches, and the interface 3 of the binding post J1 connects with described Line terminals J2 interface 3 is grounded, and the 2nd interface of the 2nd interface and the binding post J2 of the binding post J1 is electric Source is connected, and the interface 3 of the amplifier U1-A and the amplifier U1-B the 5th interface are connected with bleeder circuit, the electricity Resistance R6 one end is connected with the output end of the amplifier U1-A, and the other end of the resistance R6 is connected with power supply, the resistance R7 one end is connected with the output end of the amplifier U1-B, and the other end of the resistance R7 is connected with power supply.
- A kind of 6. dual pass encoding device control circuit according to claim 1, it is characterised in that：The dual pass encoding device Control circuit also includes filter circuit, and the filter circuit includes electric capacity C1 and electric capacity C2, one end of the electric capacity C1 and described Electric capacity C2 one end is connected with power supply, and the other end of the electric capacity C1 and the electric capacity C2 other end are grounded.
- A kind of 7. dual pass encoding device control circuit according to claim 1, it is characterised in that：Double optoelectronic switches Model SITAB74, double optoelectronic switches include the first photodiode, the second photodiode, diode, described first The first port of photodiode and the first port of the second photodiode are connected with power supply, first photodiode Second port be grounded by resistance R4, the second port of second photodiode is grounded by resistance R5, two pole The first port of pipe is connected with power supply, the second port ground connection of the diode.
- A kind of 8. dual pass encoding device control circuit according to claim 5-7 any one, it is characterised in that：It is described Power supply uses dc source of the voltage for 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721202569.1U CN207215135U (en) | 2017-09-18 | 2017-09-18 | A kind of dual pass encoding device control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721202569.1U CN207215135U (en) | 2017-09-18 | 2017-09-18 | A kind of dual pass encoding device control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207215135U true CN207215135U (en) | 2018-04-10 |
Family
ID=61821868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721202569.1U Active CN207215135U (en) | 2017-09-18 | 2017-09-18 | A kind of dual pass encoding device control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207215135U (en) |
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2017
- 2017-09-18 CN CN201721202569.1U patent/CN207215135U/en active Active
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