CN208922319U - A kind of increment photoelectric coding count circuit - Google Patents
A kind of increment photoelectric coding count circuit Download PDFInfo
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- CN208922319U CN208922319U CN201821593293.9U CN201821593293U CN208922319U CN 208922319 U CN208922319 U CN 208922319U CN 201821593293 U CN201821593293 U CN 201821593293U CN 208922319 U CN208922319 U CN 208922319U
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Abstract
The utility model discloses a kind of increment photoelectric coding count circuit, including main control chip U1, main control chip U1 is connected with the liquid crystal display LCD of intuitive display counting data, the 26 foot connection switch key S1 of main control chip U1, 27 feet of main control chip U1 connect Conversion of measurement unit key S2, the 28 feet connection of main control chip U1 keeps removing key S3, the 29 foot linkage function conversion keys S4 of main control chip U1, 3 feet of the 30 feet connection infrared receiver chip U2 of main control chip U1, 31 feet of the 1 foot connection main control chip U1 of infrared receiver chip U2, resistance R1 is connected separately between 1 foot and 3 feet of numerical value reception chip, resistance R2, 37 feet of main control chip U1 are connected with resistance R3, resistance R3 is in series with LCD backlight piece D1, it is novel in design, operation Simplicity, intuitive display, precisely, anti-interference strong, high reliablity, circuit design is succinct, and manufacturing cost is low for metering, convenient for production, versatile, is very promising for marketing..
Description
Technical field
The utility model relates to technical field of electronic control, more particularly to a kind of increment photoelectric coding count circuit.
Background technique
Photoelectric encoder is that pulse or digital quantity are converted the mechanical geometric displacement on the output shaft to by photoelectric conversion.
Photoelectric encoder is connected to the motor, and when the motor rotates, is driven code-disc rotation, is just issued revolving speed or angular signal.Photoelectricity at present
Encoder has been commonly utilized in radar, electro-optic theodolite, ground control's instrument, robot, numerically-controlled machine tool and high precision closed loop tune
The numerous areas such as speed system.According to its scale method and signal output form, increment type, absolute type and hybrid 3 can be divided into
Kind.Absolute type encoder can read unique corresponding digital code in each position of shaft, anti-interference, remember without power down
Recall, but its manufacturing process is complicated, price is incremental encoder several times to tens times.Therefore in actual application, increment
Type encoder occupies dominant position, traditional incremental encoder circuit be it is mechanical, read not intuitive, peripheral circuit compares
Complexity, cost is very high, and stability is poor, and practical performance is bad, is not able to satisfy the demand of social development.
In conclusion in view of the drawbacks of the prior art, it is accordingly required in particular to a kind of increment photoelectric coding count circuit, to solve
The deficiencies in the prior art.
Utility model content
Aiming at the problems existing in the prior art, the utility model proposes a kind of increment photoelectric coding count circuits, if
Meter is novel, intuitive display counting, and counts precisely, and practical performance is strong, has solved the defect of the prior art.
To achieve the goals above, the technical solution of the utility model is as follows:
A kind of increment photoelectric coding count circuit, including main control chip U1, main control chip U1 are connected with intuitive display meter
27 feet of the liquid crystal display LCD of number data, 26 foot connection switch the key S1, main control chip U1 of main control chip U1 connect unit
The 28 feet connection of conversion keys S2, main control chip U1 keep removing key S3, and the 29 foot linkage functions conversion of main control chip U1 is pressed
3 feet of the 30 feet connection infrared receiver chip U2 of key S4, main control chip U1,1 foot of infrared receiver chip U2 connect main control chip
31 feet of U1, are connected separately with resistance R1, resistance R2 between 1 foot and 3 feet of numerical value reception chip, 37 feet of main control chip U1 connect
It is connected to resistance R3, resistance R3 is in series with LCD backlight piece D1, is connected separately with capacitor between 45 feet and 47 feet of main control chip U1
C2, tunable capacitor C1 are connected separately with resistance R4, infrared transmitting tube D2, resistance R4 between 46 feet and 47 feet of main control chip U1
Connection between infrared transmitting tube D2 is series connection.
Further, 2 feet of the main control chip U1,3 feet, 4 feet, 5 feet, 6 feet, 7 feet, 8 feet, 9 feet, 10 feet, 13 feet, 14
Foot, 15 feet, 16 feet, 17 feet, 18 feet, 19 feet, 20 feet, 21 feet are sequentially connected 1 foot, 2 feet, 3 feet, 4 feet, 5 of liquid crystal display LCD
Foot, 6 feet, 7 feet, 8 feet, 9 feet, 10 feet, 11 feet, 12 feet, 13 feet, 14 feet, 15 feet, 16 feet, 17 feet, 18 feet.
Further, the switch key S1, Conversion of measurement unit key S2, keep removing key S3, function conversion keys S4
Outlet port is grounded.
Further, the resistance R1, resistance R2 resistance value be 5.1K, resistance R3, resistance R4 resistance value be 100R.
Further, the maximum value of main control chip U1 measurement described in the utility model is 9999.9 meters.
The beneficial effects of the utility model are: novel in design, easy to operate, intuitive display, metering is precisely, anti-interference strong,
High reliablity, circuit design is succinct, and manufacturing cost is low, convenient for production, versatile, is very promising for marketing..
Detailed description of the invention
It is described in detail the utility model with reference to the accompanying drawings and detailed description:
Fig. 1 is the utility model circuit diagram；
Fig. 2 is the utility model shape assumption diagram；
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Referring to Fig. 1, Fig. 2, a kind of increment photoelectric coding count circuit, including main control chip U1, main control chip U1 connection
There are the liquid crystal display LCD of intuitive display counting data, the 26 foot connection switch key S1 of main control chip U1, main control chip U1's
27 feet connect Conversion of measurement unit key S2, and the 28 feet connection of main control chip U1 keeps removing key S3, and 29 feet of main control chip U1 connect
3 feet of the 30 feet connection infrared receiver chip U2 of connection function conversion keys S4, main control chip U1,1 foot of infrared receiver chip U2
31 feet of main control chip U1 are connected, are connected separately with resistance R1, resistance R2, master control core between 1 foot and 3 feet of numerical value reception chip
37 feet of piece U1 are connected with resistance R3, and resistance R3 is in series with LCD backlight piece D1, divide between 45 feet and 47 feet of main control chip U1
It is not connected with capacitor C2, tunable capacitor C1, is connected separately with resistance R4, infrared emission between 46 feet and 47 feet of main control chip U1
Pipe D2, the connection between resistance R4 and infrared transmitting tube D2 are series connection.
2 feet of main control chip U1,3 feet, 4 feet, 5 feet, 6 feet, 7 feet, 8 feet, 9 feet, 10 feet, 13 feet, 14 feet, 15 feet, 16 feet,
17 feet, 18 feet, 19 feet, 20 feet, 21 feet are sequentially connected 1 foot, 2 feet, 3 feet, 4 feet, 5 feet, 6 feet, 7 feet, 8 of liquid crystal display LCD
Foot, 9 feet, 10 feet, 11 feet, 12 feet, 13 feet, 14 feet, 15 feet, 16 feet, 17 feet, 18 feet.Switch key S1, Conversion of measurement unit key
S2, the outlet port of removing key S3, function conversion keys S4 is kept to be grounded.Resistance R1, resistance R2 resistance value be 5.1K,
Resistance R3, resistance R4 resistance value be 100R, the maximum value of main control chip U1 measurement is 9999.9 meters.
Incremental encoder is directly to export three groups of square-wave pulse A, B and Z phases using photoelectricity transformation principle；A, two groups of arteries and veins of B
90 ° of phase difference are rushed, thus be convenient to judge direction of rotation, and Z phase is every turn of pulse, is used for benchmarking, is led to
The numerical value that crossing numerical value reception chip will test passes to main control chip U1, then passes to liquid crystal display LCD by U1, uses
In intuitive display, switch key S1 for opening and closing the electric coding counter that opens the light, Conversion of measurement unit key S2 can choose with
Rice is unit, or as unit of foot, keeps removing key S3 for numerical value being reset or being kept numerical value, function conversion keys S4
Different modes can be switched, product parameters: measurement range are as follows: 9999.9m, precision: ± 0.1%, minimum display: 0.1m, electricity
Source uses No. seven batteries of 2 section.
The beneficial effects of the utility model are: novel in design, easy to operate, intuitive display, metering is precisely, anti-interference strong,
High reliablity, circuit design is succinct, and manufacturing cost is low, convenient for production, versatile, is very promising for marketing..
It should be understood by those skilled in the art that the present utility model is not limited to the above embodiments, above-described embodiment and
Only illustrate the principles of the present invention described in specification, on the premise of not departing from the spirit and scope of the utility model originally
Utility model will also have various changes and improvements, and these various changes and improvements fall within the scope of the claimed invention.
The utility model requires protection scope is defined by appended claims and its equivalent.
Claims (5)
1. a kind of increment photoelectric coding count circuit, including main control chip U1, it is characterised in that: main control chip U1 is connected with directly
See the liquid crystal display LCD of display counting data, 27 feet of 26 foot connection switch the key S1, main control chip U1 of main control chip U1
Conversion of measurement unit key S2 is connected, the 28 feet connection of main control chip U1 keeps removing key S3, and 29 feet of main control chip U1 connect function
3 feet of the 30 feet connection infrared receiver chip U2 of energy conversion keys S4, main control chip U1, the 1 foot connection of infrared receiver chip U2
31 feet of main control chip U1 are connected separately with resistance R1, resistance R2, main control chip U1 between 1 foot and 3 feet of numerical value reception chip
37 feet be connected with resistance R3, resistance R3 is in series with LCD backlight piece D1, connects respectively between 45 feet and 47 feet of main control chip U1
It is connected to capacitor C2, tunable capacitor C1, is connected separately with resistance R4, infrared transmitting tube between 46 feet and 47 feet of main control chip U1
D2, the connection between resistance R4 and infrared transmitting tube D2 are series connection.
2. a kind of increment photoelectric coding count circuit according to claim 1, it is characterised in that: the main control chip U1's
2 feet, 3 feet, 4 feet, 5 feet, 6 feet, 7 feet, 8 feet, 9 feet, 10 feet, 13 feet, 14 feet, 15 feet, 16 feet, 17 feet, 18 feet, 19 feet, 20 feet,
21 feet are sequentially connected 1 foot, 2 feet, 3 feet, 4 feet, 5 feet, 6 feet, 7 feet, 8 feet, 9 feet, 10 feet, 11 feet, 12 of liquid crystal display LCD
Foot, 13 feet, 14 feet, 15 feet, 16 feet, 17 feet, 18 feet.
3. a kind of increment photoelectric coding count circuit according to claim 1, it is characterised in that: the switch key S1,
Conversion of measurement unit key S2, the outlet port of removing key S3, function conversion keys S4 is kept to be grounded.
4. a kind of increment photoelectric coding count circuit according to claim 1, it is characterised in that: the resistance R1, resistance
The resistance value of R2 is 5.1K, resistance R3, resistance R4 resistance value be 100R.
5. a kind of increment photoelectric coding count circuit according to claim 1, it is characterised in that: the main control chip U1 is surveyed
The maximum value of amount is 9999.9 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821593293.9U CN208922319U (en) | 2018-09-28 | 2018-09-28 | A kind of increment photoelectric coding count circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821593293.9U CN208922319U (en) | 2018-09-28 | 2018-09-28 | A kind of increment photoelectric coding count circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208922319U true CN208922319U (en) | 2019-05-31 |
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ID=66707467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821593293.9U Active CN208922319U (en) | 2018-09-28 | 2018-09-28 | A kind of increment photoelectric coding count circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208922319U (en) |
-
2018
- 2018-09-28 CN CN201821593293.9U patent/CN208922319U/en active Active
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