CN203070022U - Digital signal input and output circuit module and circuit system thereof - Google Patents
Digital signal input and output circuit module and circuit system thereof Download PDFInfo
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- CN203070022U CN203070022U CN 201320024464 CN201320024464U CN203070022U CN 203070022 U CN203070022 U CN 203070022U CN 201320024464 CN201320024464 CN 201320024464 CN 201320024464 U CN201320024464 U CN 201320024464U CN 203070022 U CN203070022 U CN 203070022U
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Abstract
The utility model discloses a digital signal input circuit module. The module comprises an input circuit, an optical coupler, an output circuit and a single chip microcomputer. The input circuit is connected with an input terminal of the optical coupler and is used to transmit an external signal to the optical coupler. The output circuit is connected with an output terminal of the optical coupler. The single chip microcomputer is connected with the output circuit. The utility model discloses a digital signal output circuit module. The module comprises the single chip microcomputer, a signal amplifier and several relays. The utility model also discloses a digital signal input output circuit system. The system comprises several digital signal input circuit modules, the signal amplifier and the several relays. According to the circuit module of the utility model, switching value signals which are externally input are a passive signal. The passive signals are converted into TTL level signals which can be identified by the single chip microcomputer through the optical coupler. The single chip microcomputer scans the signals and stores the signals in a memory of the single chip microcomputer so that a system control unit can use the signals.
Description
Technical field
The utility model relates to the automatic control system field, is specifically related to a kind of digital signal input, output circuit module and Circuits System thereof.
Background technology
In actual applications, often need use the conversion circuit device of signal input and output, and use this circuit arrangement and further control the load equipment that some need simultaneously, accurately control.Single-chip microcomputer of the present utility model, system control unit, it is proven technique comparatively in the prior art, single-chip microcomputer is a kind of integrated circuit (IC) chip, be to adopt very large scale integration technology the central processor CPU random access memory ram with data-handling capacity, read only memory ROM, multiple I/O mouth and interrupt system, functions such as timer/timer, may also comprise display driver circuit, pulse-width modulation circuit, analog multiplexer, circuit such as A/D converter, be integrated into a little and perfect microcomputer system that constitutes on the silicon chip, in the widespread use of industrial control field.Realize multiple simple control function by the monolithic function.
The utility model content
One of the purpose of this utility model is to provide a kind of digital signal input circuit module.
Two of the purpose of this utility model is to provide a kind of digital signal output circuit module.
Three of the purpose of this utility model is to provide a kind of digital signal imput output circuit system.
Be the technical scheme that realizes that one of the purpose of this utility model adopts: a kind of digital signal input circuit module comprises input circuit, optocoupler, output circuit and single-chip microcomputer; Described input circuit is connected with the input end of optocoupler, is used for external signal is transferred to optocoupler; Described output circuit is connected with the output terminal of optocoupler, and described single-chip microcomputer is connected with output circuit.
Circuit module of the present utility model, the switching value signal of outside input is a kind of passive signal, converts the Transistor-Transistor Logic level signal that single-chip microcomputer can be identified to by optocoupler, single-chip microcomputer scans these signals and is kept at and supplies POL with reading in the single-chip microcomputer internal memory.
Preferably, described input circuit comprises first resistance and second resistance, and first resistance is connected with outside source jointly with second resistance, one end, and the first resistance other end is connected with first pin of optocoupler input end, the second resistance other end ground connection; Second pin of optocoupler input end is connected with the earth terminal of second resistance.
Preferably, described output circuit comprises the 3rd resistance and power supply, and an end of the 3rd resistance is connected with the 4th pin of optocoupler output terminal, and the other end is connected with power supply; The 3rd pin ground connection of optocoupler output terminal.
Preferably, described single-chip microcomputer is connected between the 4th pin of the 3rd resistance and optocoupler output terminal.
Preferably, also comprise signal amplifier and relay, the signal input part of signal amplifier is connected with the signal output part of single-chip microcomputer, and the signal output part of amplifier is connected with relay.
Preferably, also comprise system control unit, system control unit is connected with single-chip microcomputer.
For realizing two technical schemes that adopt of the purpose of this utility model: a kind of digital signal output circuit module, comprise single-chip microcomputer, signal amplifier and some relays, described single-chip microcomputer has a plurality of signal output parts, and described signal amplifier has a plurality of signal input parts and a plurality of signal output part; Each signal input part of signal amplifier is connected with each signal output part of single-chip microcomputer respectively, and each signal output part of signal amplifier is connected with described relay respectively.
For realizing three technical schemes that adopt of the purpose of this utility model: a kind of digital signal imput output circuit system comprises the input circuit module and the output circuit module that are integrated on the same circuit board; Described input circuit module comprises input circuit, optocoupler, output circuit and single-chip microcomputer; Described input circuit is connected with the input end of optocoupler, is used for external signal is transferred to optocoupler; Described output circuit is connected with the output terminal of optocoupler, and described single-chip microcomputer is connected with output circuit, and single-chip microcomputer has a plurality of signal output parts; Described input circuit module comprises signal amplifier and a plurality of relay, and described signal amplifier has a plurality of signal input parts and a plurality of signal output part; Each signal input part of signal amplifier is connected with each signal output part of described single-chip microcomputer respectively, and each signal output part of signal amplifier is connected with described relay respectively.
Circuits System of the present utility model, the switching value signal is transferred to input circuit by signal input part, input circuit has the function that disturb in the hole, input circuit is transferred to optocoupler with the switching value signal again, convert level signal to through optocoupler, optocoupler is transferred to output circuit with level signal, and level signal is received by single-chip microcomputer simultaneously, and single-chip microcomputer is kept at the signal that receives in the single-chip microcomputer internal memory and uses for system control unit.After the system control unit logical operation is finished, send the DI fill order, single-chip microcomputer (MCU) fill order is also exported digital signaling zero or 1, and control signal is handled the back and is used for pilot relay work through amplifying, and then controls operation of peripheral devices.When system control unit POL deal with data need be controlled peripheral equipment and makes their synchronous workings, sending controling instruction was given single-chip microcomputer, and single-chip microcomputer receives that the instruction number corresponding relay of control peripherals is to achieve the goal.
Description of drawings
Fig. 1 is the electrical block diagram of the utility model embodiment one circuit module
Fig. 2 is the workflow diagram of circuit structure shown in Figure 1
Fig. 3 is the circuit connection diagram of the utility model embodiment two circuit modules
Fig. 4 is the workflow diagram of the described circuit structure of Fig. 3
Embodiment
Below in conjunction with accompanying drawing specific embodiment of the utility model is described further:
Embodiment one
As shown in Figure 1, a kind of digital signal input circuit module comprises input circuit 10, optocoupler 20 and output circuit 30, and input circuit 10 is transferred to optocoupler 20 with signal, signal is through the conversion of optocoupler 20, is transferred to output circuit 30 by optocoupler 20 after being converted into level signal.
Described input circuit comprises first resistance 11, second resistance 12 and the signal input part.Signal input part is used for being connected with outside source, and in the present embodiment, outside source is the switching value signal source, to input circuit 10 output switching value signals; One end of first resistance 11 and second resistance 12 is connected in signal input part jointly, the other end of first resistance 11 is connected with the pin 1 of optocoupler 20 input ends, the other end ground connection of second resistance 12, the pin 2 of optocoupler 20 input ends is connected with second resistance, 12 other ends, and namely the earth terminal with second resistance 12 is connected.
Described output circuit 30 comprises that an end of the 3rd resistance 31, the three resistance 31 is connected with the pin 4 of optocoupler 20 output terminals, and the other end is connected with power Vcc, pin 3 ground connection of optocoupler 20 output terminals.Also comprise signal output part, signal output part is the junction of the 3rd resistance 31 and pin 4.
Also comprise single-chip microcomputer 40, the input end of single-chip microcomputer 40 is connected with signal output part, and being used in real time, the signal of reception, pilot signal output terminal changes.The output terminal of single-chip microcomputer 40 can be connected with load, drives loaded work piece with the signal that receives.
As shown in Figure 2, be the principle of work of the digital signal imput output circuit module of present embodiment, the switching value signal of outside input is a kind of passive signal, converts the Transistor-Transistor Logic level signal that single-chip microcomputer 40 can be identified to by optocoupler.Single-chip microcomputer 40 these signals of scanning also are kept in single-chip microcomputer 40 internal memories for system control unit POL controller (being called for short POL, is a existing product of Siemens Company) use at any time.
The switching value signal is transferred to input circuit 10 by signal input part, input circuit 10 has the function that disturb in the hole, input circuit 10 is transferred to optocoupler 20 with the switching value signal again, convert level signal to through optocoupler 20, optocoupler 20 is transferred to output circuit 30 with level signal, level signal is received by single-chip microcomputer 40 simultaneously, and single-chip microcomputer 40 is kept at the signal that receives and supplies POL with reading in single-chip microcomputer 40 internal memories.
Embodiment two
As shown in Figure 3, a kind of digital signal output circuit module comprises single-chip microcomputer and signal amplifier 50 and some relays.The digital signal imput output circuit system of present embodiment, single-chip microcomputer, have a plurality of signal output parts, signal amplifier 50 has a plurality of input ends and a plurality of output terminal, each input end of signal amplifier 50 is connected with the output terminal of single-chip microcomputer respectively, and each output terminal of signal amplifier 50 connects with different relay respectively.Single-chip microcomputer is exported to signal amplifier 50 with signal, and signal amplifier 50 is exported to corresponding relay after signal is amplified, and drives relay work; Relay can be used for controlling the switch of various circuit, and other functions etc.
As shown in Figure 4, be the principle of work of present embodiment, after the POL logical operation is finished, send the DI fill order, single-chip microcomputer (being MCU) fill order is also exported digital signaling zero or 1, and control signal is handled the back and is used for pilot relay work through amplifying, and then controls operation of peripheral devices.When the POL deal with data need be controlled peripheral equipment and makes their synchronous workings, sending controling instruction was given single-chip microcomputer, and single-chip microcomputer receives that the instruction number corresponding relay of control peripherals is to achieve the goal.
Signal amplifier 50 in the present embodiment adopts ULN2003, and this is the IC that commonly used being used for drives relay.
Embodiment three
Embodiment three of the present utility model, a kind of digital signal imput output circuit system, comprise the digital signal input circuit module of embodiment one and the digital signal output circuit module of embodiment two, it has common single chip computer architecture, and is integrated on the same circuit board.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change and revise above-mentioned embodiment.Therefore, the embodiment that discloses and describe above the utility model is not limited to also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.
Claims (8)
1. a digital signal input circuit module is characterized in that, comprises input circuit, optocoupler, output circuit and single-chip microcomputer; Described input circuit is connected with the input end of optocoupler, is used for external signal is transferred to optocoupler; Described output circuit is connected with the output terminal of optocoupler, and described single-chip microcomputer is connected with output circuit.
2. circuit module according to claim 1, it is characterized in that: described input circuit comprises first resistance and second resistance, first resistance is connected with outside source jointly with second resistance, one end, the first resistance other end is connected with first pin of optocoupler input end, the second resistance other end ground connection; Second pin of optocoupler input end is connected with the earth terminal of second resistance.
3. circuit module according to claim 1, it is characterized in that: described output circuit comprises the 3rd resistance and power supply, and an end of the 3rd resistance is connected with the 4th pin of optocoupler output terminal, and the other end is connected with power supply; The 3rd pin ground connection of optocoupler output terminal.
4. circuit module according to claim 1, it is characterized in that: described single-chip microcomputer is connected between the 4th pin of the 3rd resistance and optocoupler output terminal.
5. circuit module according to claim 1, it is characterized in that: also comprise signal amplifier and relay, the signal input part of signal amplifier is connected with the signal output part of single-chip microcomputer, and the signal output part of amplifier is connected with relay.
6. circuit module according to claim 1, it is characterized in that: also comprise system control unit, system control unit is connected with single-chip microcomputer.
7. digital signal output circuit module, it is characterized in that: comprise single-chip microcomputer, signal amplifier and some relays, described single-chip microcomputer has a plurality of signal output parts, and described signal amplifier has a plurality of signal input parts and a plurality of signal output part; Each signal input part of signal amplifier is connected with each signal output part of single-chip microcomputer respectively, and each signal output part of signal amplifier is connected with described relay respectively.
8. a digital signal imput output circuit system is characterized in that: comprise the input circuit module and the output circuit module that are integrated on the same circuit board;
Described input circuit module comprises input circuit, optocoupler, output circuit and single-chip microcomputer; Described input circuit is connected with the input end of optocoupler, is used for external signal is transferred to optocoupler; Described output circuit is connected with the output terminal of optocoupler, and described single-chip microcomputer is connected with output circuit, and single-chip microcomputer has a plurality of signal output parts;
Described input circuit module comprises signal amplifier and a plurality of relay, and described signal amplifier has a plurality of signal input parts and a plurality of signal output part; Each signal input part of signal amplifier is connected with each signal output part of described single-chip microcomputer respectively, and each signal output part of signal amplifier is connected with described relay respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320024464 CN203070022U (en) | 2013-01-16 | 2013-01-16 | Digital signal input and output circuit module and circuit system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320024464 CN203070022U (en) | 2013-01-16 | 2013-01-16 | Digital signal input and output circuit module and circuit system thereof |
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| CN203070022U true CN203070022U (en) | 2013-07-17 |
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| CN 201320024464 Expired - Lifetime CN203070022U (en) | 2013-01-16 | 2013-01-16 | Digital signal input and output circuit module and circuit system thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099138A (en) * | 2015-08-26 | 2015-11-25 | 矽力杰半导体技术(杭州)有限公司 | Power supply circuit based on light-coupled transmission and light-coupled transmission module |
| CN105739377A (en) * | 2015-12-26 | 2016-07-06 | 惠州市蓝微新源技术有限公司 | Circuit for transmitting and receiving CAN data information by using common I/O ports of single-chip microcomputer and control method |
| CN107702299A (en) * | 2017-11-20 | 2018-02-16 | 珠海格力电器股份有限公司 | Digital quantity interface peripheral equipment, circuit thereof and air conditioner control system |
| CN110134052A (en) * | 2019-06-19 | 2019-08-16 | 深圳市佳运通电子有限公司 | A kind of digital signal acquiring circuit being compatible with a variety of output forms |
-
2013
- 2013-01-16 CN CN 201320024464 patent/CN203070022U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099138A (en) * | 2015-08-26 | 2015-11-25 | 矽力杰半导体技术(杭州)有限公司 | Power supply circuit based on light-coupled transmission and light-coupled transmission module |
| CN105099138B (en) * | 2015-08-26 | 2017-12-05 | 矽力杰半导体技术(杭州)有限公司 | Power supply circuit and optocoupler transport module based on optocoupler transmission |
| CN105739377A (en) * | 2015-12-26 | 2016-07-06 | 惠州市蓝微新源技术有限公司 | Circuit for transmitting and receiving CAN data information by using common I/O ports of single-chip microcomputer and control method |
| CN107702299A (en) * | 2017-11-20 | 2018-02-16 | 珠海格力电器股份有限公司 | Digital quantity interface peripheral equipment, circuit thereof and air conditioner control system |
| CN110134052A (en) * | 2019-06-19 | 2019-08-16 | 深圳市佳运通电子有限公司 | A kind of digital signal acquiring circuit being compatible with a variety of output forms |
| CN110134052B (en) * | 2019-06-19 | 2024-04-26 | 深圳市佳运通电子有限公司 | Digital signal acquisition circuit compatible with multiple output forms |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGZHOU DINENG TECHNOLOGY CO., LTD. Free format text: FORMER NAME: GUANGZHOU CANLEAD AUTOMATION EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 511442, Guangzhou, Panyu District, South Village Road, 16-18, No. Patentee after: GUANGZHOU CANLEAD ENERGY TECHNOLOGY Co.,Ltd. Address before: 511442, Guangzhou, Panyu District, South Village Road, 16-18, No. Patentee before: Guangzhou Nengdi Automation Equipment Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
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| CX01 | Expiry of patent term |