CN207909488U - A kind of circuit of detection numeral method content - Google Patents
A kind of circuit of detection numeral method content Download PDFInfo
- Publication number
- CN207909488U CN207909488U CN201820006299.5U CN201820006299U CN207909488U CN 207909488 U CN207909488 U CN 207909488U CN 201820006299 U CN201820006299 U CN 201820006299U CN 207909488 U CN207909488 U CN 207909488U
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- CN
- China
- Prior art keywords
- circuit
- detection
- resistance
- charactron
- photoelectrical coupler
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Abstract
The utility model provides a kind of circuit of detection numeral method content, including MCU controllers, EEPROM access circuits, display driver circuit, charactron detection circuit, relay drive circuit and button inputting circuits, wherein, the output end of the MCU controllers respectively with the EEPROM access circuits, display driver circuit, relay drive circuit connects, the input terminal of the MCU controllers respectively with the EEPROM access circuits, charactron detection circuit, button inputting circuits connect, the output end of the display driver circuit is connected with display screen, the output end of the relay drive circuit is connected with relay, the input terminal of the button inputting circuits is connected with button, the charactron detection circuit is connected with charactron.The utility model has the beneficial effects that：Numeral method content can be detected, human eye discrimination is not needed, can effectively reduce erroneous judgement and reduces the amount of labour, improves efficiency and accuracy.
Description
Technical field
The utility model is related to charactron more particularly to a kind of circuits of detection numeral method content.
Background technology
With the continuous development of society, more and more factories realize automation, to improve efficiency and avoid artificially malfunctioning,
Error rate is greatly reduced, has ensured the quality of production.
And during producing electric appliance, whether detection numeral method content is abnormal for many factories now, still rests on
During human eye distinguishes, display screen can be often stared at due to worker in this way, for a long time, eyes is caused to be susceptible to fatigue, and occurred
Erroneous judgement, to artificial increasing manufacture fraction defective, while such working environment can also influence the eyesight of human eye.
Invention content
In order to solve the problems in the prior art, the utility model provides a kind of electricity of detection numeral method content
Road.
The utility model provides a kind of circuit of detection numeral method content, including MCU controllers, EEPROM access
Circuit, display driver circuit, charactron detection circuit, relay drive circuit and button inputting circuits, wherein the MCU controls
The output end of device processed is connect with the EEPROM access circuits, display driver circuit, relay drive circuit respectively, the MCU
The input terminal of controller is connect with the EEPROM access circuits, charactron detection circuit, button inputting circuits respectively, described aobvious
Show that the output end of driving circuit is connected with display screen, the output end of the relay drive circuit is connected with relay, described to press
The input terminal of key input circuit is connected with button, and the charactron detection circuit is connected with charactron.
The charactron detection circuit includes SEG mouthfuls of detection circuits and DIG mouthfuls as a further improvement of the utility model,
The SEG mouths of detection circuit, the charactron are connect with the SEG mouthfuls of detection circuit, DIG mouths and the DIG of the charactron
Mouth detection circuit connection.
The SEG mouthfuls of detection circuit includes photoelectrical coupler PC14, resistance as a further improvement of the utility model,
R50, bidirectional trigger diode and resistance R54, the anode of the photophore of the photoelectrical coupler PC14 connect with the resistance R50
It connects, the other end of the resistance R50 is connect with one end of the bidirectional trigger diode D14, the photoelectrical coupler PC14's
The cathode of photophore is connect with the other end of the bidirectional trigger diode D14, and the both ends of the resistance R54 are connected to institute
State anode, the cathode of the photophore of photoelectrical coupler PC14.
The cathode of the light-receiving device of the photoelectrical coupler PC14 is connected with resistance as a further improvement of the utility model,
R58。
The SEG mouthfuls of detection circuit includes capacitance C26, resistance R62 and capacitance as a further improvement of the utility model,
C28, one end of the capacitance C26 is connected between the cathode of the light-receiving device of the resistance R58, photoelectrical coupler PC14, described
The other end of capacitance C26 is grounded, and one end of the resistance R62 is connected to the light-receiving device of the resistance R58, photoelectrical coupler PC14
Cathode between, the other end of the resistance R62 is grounded, one end of the capacitance C28 respectively with the photoelectrical coupler PC14
The cathode of photophore, bidirectional trigger diode D14 connections, the other end ground connection of the capacitance C28.
As a further improvement of the utility model, the DIG mouthfuls of detection circuit include photoelectrical coupler PC23, it is two-way touch
Send out the both ends of diode D23 and resistance R86, the resistance R86 respectively with the anode of the photophore of the photoelectrical coupler PC23,
Cathode connects, and the anode of the photophore of the photoelectrical coupler PC23 is connect with the bidirectional trigger diode D23.
The utility model has the beneficial effects that：Through the above scheme, numeral method content can be detected, human eye is not needed
It distinguishes, can effectively reduce erroneous judgement and reduces the amount of labour, improve efficiency and accuracy.
Description of the drawings
Fig. 1 is a kind of general frame figure of the circuit of detection numeral method content of the utility model.
Fig. 2 is a kind of EEPROM access circuit figures of the circuit of detection numeral method content of the utility model.
Fig. 3 is a kind of display driver circuit figure of the circuit of detection numeral method content of the utility model.
Fig. 4 is a kind of SEG mouth detection circuit figures of the circuit of detection numeral method content of the utility model.
Fig. 5 is a kind of DIG mouth detection circuit figures of the circuit of detection numeral method content of the utility model.
Fig. 6 is a kind of relay drive circuit figure of the circuit of detection numeral method content of the utility model.
Fig. 7 is a kind of button inputting circuits figure of the circuit of detection numeral method content of the utility model.
Specific implementation mode
The utility model is described in further detail for explanation and specific implementation mode below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of circuit of detection numeral method content, including MCU controllers 101, EEPROM access electricity
Road 102, display driver circuit, charactron detection circuit, relay drive circuit and button inputting circuits, wherein the MCU controls
The output end of device 101 processed is connect with the EEPROM access circuits 102, display driver circuit, relay drive circuit respectively, institute
State the input terminals of MCU controllers 101 respectively with the EEPROM access circuits 102, charactron detection circuit, button inputting circuits
Connection, the output end of the display driver circuit are connected with display screen 103, and the output end of the relay drive circuit is connected with
The input terminal of relay 104, the button inputting circuits is connected with button 105, and the charactron detection circuit is connected with number
Pipe 106, the charactron 106 can be common cathode charactron either common anode charactrons, detect common cathode and common anode charactron is
Connection type is different, so the utility model is by taking the detection of common anode charactron as an example.
MCU controllers 101 are used for detecting input and control output.
Fig. 2 is EEPROM access circuit figures, and EEPROM access circuits 102 are used for storing the setting of user.
Fig. 3 is display driver circuit figure, and display driver circuit is to carry out man-machine friendship with user for driving display screen
Mutually.
As shown in Figure 4,5, the charactron detection circuit includes SEG mouthfuls of detection circuits and DIG mouthfuls of detection circuits, the number
The SEG mouths of code pipe 106 are connect with the SEG mouthfuls of detection circuit, DIG mouths and the DIG mouthfuls of detection circuit of the charactron 106
Connection.
As shown in figure 4, the SEG mouthfuls of detection circuit includes photoelectrical coupler PC14, resistance R50, bidirectional trigger diode
With resistance R54, the anode of the photophore of the photoelectrical coupler PC14 is connect with the resistance R50, and the resistance R50's is another
End connect with one end of the bidirectional trigger diode D14, the cathode of the photophore of the photoelectrical coupler PC14 and described pair
It is connected to the other end of diac D14, the both ends of the resistance R54 are connected to the hair of the photoelectrical coupler PC14
Anode, the cathode of light device.
As shown in figure 4, the cathode of the light-receiving device of the photoelectrical coupler PC14 is connected with resistance R58.
As shown in figure 4, the SEG mouthfuls of detection circuit includes capacitance C26, resistance R62 and capacitance C28, the capacitance C26's
One end is connected between the cathode of the light-receiving device of the resistance R58, photoelectrical coupler PC14, another termination of the capacitance C26
Ground, one end of the resistance R62 are connected between the cathode of the light-receiving device of the resistance R58, photoelectrical coupler PC14, the electricity
Hinder the other end ground connection of R62, one end of the capacitance C28 respectively with the cathode of the photophore of the photoelectrical coupler PC14, double
To diac D14 connections, the other end of the capacitance C28 is grounded.
As shown in figure 5, the DIG mouthfuls of detection circuit includes photoelectrical coupler PC23, bidirectional trigger diode D23 and resistance
The both ends of R86, the resistance R86 are connect with anode, the cathode of the photophore of the photoelectrical coupler PC23 respectively, the photoelectricity
The anode of the photophore of coupler PC23 is connect with the bidirectional trigger diode D23.
As shown in Figure 4,5, when the conducting of common anode charactron is lighted, SEG mouthfuls can be pulled low to ground state, to SEG mouthfuls
Photoelectrical coupler PC14 in detection circuit can be switched on, and MCU controllers 101 can detect SEG mouthfuls of Continuity signals；And DIG mouthfuls
5V states can be then pulled to, the photoelectrical coupler PC23 in DIG mouthfuls of detection circuits can be switched at this time, 101 energy of MCU controllers
Detect DIG mouthfuls of Continuity signal.The detection circuit of common cathode charactron is then with the detection circuit of common anode charactron on the contrary, i.e. common cathode
The SEG mouths detection of charactron should be connected at the DIG mouths of Fig. 5, and the DIG mouths detection of common cathode charactron should then be connected to the SEG of Fig. 4
At mouthful.
Fig. 6 is relay drive circuit figure, and relay drive circuit drives the defeated of relay 104 according to testing result
Go out.
Fig. 7 is button inputting circuits figure, and button inputting circuits are for carrying out human-computer interaction with user.
A kind of circuit of detection numeral method content provided by the utility model, the course of work are：
1, user is by button operation, while pressing UP keys and DOWN keys, into setting state, when state is arranged, shows
The flicker display of display screen 103, first setting interface is type for detected charactron 106 is arranged, is common cathode or altogether
Sun；SET keys are pressed into second setting interface, for detection time length is arranged；It presses SET keys and enters third setting circle
Face, for the display content of detected charactron 106 is arranged；SET keys are pressed again, then exit setting state.Its set content
EEPROM access circuits 102 will be stored to, to wait for re-powering use next time.
2, after being provided with, SET keys are pressed, detection is proceeded by and judges, be detected the display content and thing of charactron 106
The display setting value first set is compared, if correctly, showing that PA, relay 104 are closed at immediately, if setting
Correct result is not detected in the detection time set, then reports an error, shows that E1, relay 104 are simultaneously switched off.
The circuit of a kind of detection numeral method content provided by the utility model, when MCU controllers 101 receive detection
After instruction, the display content for being detected charactron can be acquired by charactron detection circuit, with the show value that pre-sets into
Row multilevel iudge, whether the display content for detecting the charactron is correct, later by the output of display screen 103 and relay 104,
To inform testing result.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the scope of protection of the utility model.
Claims (6)
1. a kind of circuit of detection numeral method content, it is characterised in that：Including MCU controllers, EEPROM access circuits, show
Show driving circuit, charactron detection circuit, relay drive circuit and button inputting circuits, wherein the MCU controllers it is defeated
Outlet is connect with the EEPROM access circuits, display driver circuit, relay drive circuit respectively, the MCU controllers
Input terminal is connect with the EEPROM access circuits, charactron detection circuit, button inputting circuits respectively, the display driving electricity
The output end on road is connected with display screen, and the output end of the relay drive circuit is connected with relay, the key-press input electricity
The input terminal on road is connected with button, and the charactron detection circuit is connected with charactron.
2. the circuit of detection numeral method content according to claim 1, it is characterised in that：The charactron detection electricity
Road includes SEG mouthfuls of detection circuits and DIG mouthfuls of detection circuits, and the SEG mouths of the charactron are connect with the SEG mouthfuls of detection circuit,
The DIG mouths of the charactron are connect with the DIG mouthfuls of detection circuit.
3. the circuit of detection numeral method content according to claim 2, it is characterised in that：The SEG mouthfuls of detection electricity
Road includes shining for photoelectrical coupler PC14, resistance R50, bidirectional trigger diode and resistance R54, the photoelectrical coupler PC14
The anode of device is connect with the resistance R50, and the other end of the resistance R50 and one end of the bidirectional trigger diode D14 connect
It connects, the cathode of the photophore of the photoelectrical coupler PC14 is connect with the other end of the bidirectional trigger diode D14, the electricity
The both ends of resistance R54 are connected to anode, the cathode of the photophore of the photoelectrical coupler PC14.
4. the circuit of detection numeral method content according to claim 3, it is characterised in that：The photoelectrical coupler
The cathode of the light-receiving device of PC14 is connected with resistance R58.
5. the circuit of detection numeral method content according to claim 4, it is characterised in that：The SEG mouthfuls of detection electricity
Road includes that one end of capacitance C26, resistance R62 and capacitance C28, the capacitance C26 are connected to the resistance R58, photoelectrical coupler
Between the cathode of the light-receiving device of PC14, the other end of the capacitance C26 is grounded, and one end of the resistance R62 is connected to the electricity
Between the cathode for hindering the light-receiving device of R58, photoelectrical coupler PC14, the other end of the resistance R62 is grounded, the capacitance C28's
One end is connect with the cathode of the photophore of the photoelectrical coupler PC14, bidirectional trigger diode D14 respectively, the capacitance C28
The other end ground connection.
6. the circuit of detection numeral method content according to claim 2, it is characterised in that：The DIG mouthfuls of detection electricity
Road include photoelectrical coupler PC23, bidirectional trigger diode D23 and resistance R86, the resistance R86 both ends respectively with the light
The anode of the photophore of electric coupler PC23, cathode connection, the anode of the photophore of the photoelectrical coupler PC23 with it is described double
To diac D23 connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820006299.5U CN207909488U (en) | 2018-01-03 | 2018-01-03 | A kind of circuit of detection numeral method content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820006299.5U CN207909488U (en) | 2018-01-03 | 2018-01-03 | A kind of circuit of detection numeral method content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207909488U true CN207909488U (en) | 2018-09-25 |
Family
ID=63566374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820006299.5U Expired - Fee Related CN207909488U (en) | 2018-01-03 | 2018-01-03 | A kind of circuit of detection numeral method content |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207909488U (en) |
-
2018
- 2018-01-03 CN CN201820006299.5U patent/CN207909488U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20220103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |