CN110087373B - Quick response trigger signal circuit and control method thereof - Google Patents
Quick response trigger signal circuit and control method thereof Download PDFInfo
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- CN110087373B CN110087373B CN201910399015.2A CN201910399015A CN110087373B CN 110087373 B CN110087373 B CN 110087373B CN 201910399015 A CN201910399015 A CN 201910399015A CN 110087373 B CN110087373 B CN 110087373B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention belongs to the technical field of semiconductor integrated circuits, and particularly relates to a quick response trigger signal circuit which comprises an MCU module, a signal source selection module, an OR gate logic module, a controlled module and an external trigger signal source, wherein the external trigger signal source is respectively connected with the MCU module, the signal source selection module, the MCU module, the signal source selection module and the external trigger signal source, the signal source selection module is respectively connected with the MCU module, the OR gate logic module and the external trigger signal source, the OR gate logic module is respectively connected with the MCU module, the signal source selection module and the controlled module, and the controlled module is connected with the OR gate logic module. The circuit shortens the trigger response time of the trigger response circuit and improves the stroboscopic speed of the light source. In addition, a control method of the circuit is provided, so that the stability and efficiency of the operation of the circuit are improved.
Description
Technical Field
The invention belongs to the technical field of semiconductor integrated circuits, and particularly relates to a quick response trigger signal circuit and a control method thereof.
Background
At present, the trigger signal response circuit is applied to various fields of electronic power, in particular to the field of machine vision light source illumination. The trigger signal response circuit which is composed of the single chip microcomputer as a core can realize quick processing and complex functions, and is widely applied.
In the prior art, the singlechip is in a serial processing mode, the more complex the realized function is, the longer the operation time is needed, namely the longer the trigger response time is, the faster and faster the stroboscopic speed of a light source is required in the field of machine vision at present, and the stroboscopic speed of the light source is limited due to the long trigger response time of the traditional trigger response circuit, so that the market competitiveness of a product is insufficient.
In summary, the related art has drawbacks and needs to be perfected.
Disclosure of Invention
One of the objects of the present invention is: aiming at the defects of the prior art, the quick response trigger signal circuit is provided to shorten the trigger response time of the trigger response circuit, improve the stroboscopic speed of the light source and increase the market competitiveness of the product.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the quick response trigger signal circuit comprises an MCU module, a signal source selection module, an OR gate logic module, a controlled module and an external trigger signal source, wherein the external trigger signal source is respectively connected with the MCU module, the signal source selection module, the MCU module is respectively connected with the signal source selection module, the OR gate logic module and the external trigger signal source, the signal source selection module is respectively connected with the MCU module, the OR gate logic module and the external trigger signal source, the OR gate logic module is respectively connected with the MCU module, the signal source selection module and the controlled module, and the controlled module is connected with the OR gate logic module. The circuit shortens the trigger response time of the trigger response circuit, improves the stroboscopic speed of the light source, and has stable work and strong practicability.
As an improvement of the rapid response trigger signal circuit, the MCU module is configured to monitor the signal source selection module, the or gate logic module, and the external trigger signal source.
As an improvement of the rapid response trigger signal circuit, the signal source selection module is used for monitoring the MCU module, the or gate logic module and the external trigger signal source.
As an improvement of the rapid response trigger signal circuit, the signal source selection module is a multiplexer module. The multiplexer module is a multiplexer; in addition, other circuit control modules with the same effect can be selected, and the circuit control modules can be flexibly selected according to actual conditions.
As an improvement of the fast response trigger signal circuit, the controlled module is used for executing the instruction from the or gate logic module.
As an improvement of the rapid response trigger signal circuit, the controlled module is a MOS tube driving module. The MOS tube driving module is an MOS tube driving circuit; in addition, other controlled elements with the same effect can be selected, and the controlled elements can be flexibly selected according to actual conditions.
As an improvement of the quick response trigger signal circuit, the OR gate logic module is used for monitoring the MCU module, the signal source selection module and the controlled module.
The second object of the present invention is: aiming at the defects of the prior art, the control method of the quick response trigger signal circuit is also provided, so that the trigger response time of the trigger response circuit is shortened, the stroboscopic speed of the light source is improved, and the market competitiveness of the product is improved.
In order to achieve the above object, the present invention provides a control method of a fast response trigger signal circuit, comprising the steps of:
s1, outputting a low level by the external trigger signal source before the circuit is electrified, enabling the MCU module to output a signal to enable the signal source selection module to select the external trigger signal source as an effective signal after the circuit is electrified, enabling the MCU trigger signal source output by the MCU module to be in a low level, and enabling the OR gate logic module to output a low level because the signal source selection module outputs the low level and the MCU trigger signal source output by the MCU module is in the low level;
s2, the external trigger signal source outputs high level, and the signal source selection module selects the external trigger signal source as an effective signal, so that the signal source selection module immediately outputs high level to the OR gate logic module, and the OR gate logic module immediately outputs high level to the controlled module;
s3, the detection module in the MCU module detects that the external trigger signal source is at a high level at the same time, after the program processing is completed, the MCU module outputs a signal at the same time to enable the signal source selection module to select the MCU trigger signal source of the MCU module as an effective signal, and at the moment, the OR gate logic module outputs the high level and is only controlled by the MCU trigger signal source of the MCU module but not controlled by the external trigger signal source;
s4, the MCU module detects that the external trigger signal source is at a low level, the MCU module outputs a signal to enable the signal source selection module to select the external trigger signal source as an effective signal, the MCU module outputs the MCU trigger signal source at the low level, and the OR gate logic module outputs the low level;
s5, waiting for the next arrival of the high level of the external trigger signal source;
wherein steps S1, S2, S3, S4, S5 are performed in a loop.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a circuit diagram of an embodiment 1 of the present invention;
FIG. 2 is a circuit diagram of an embodiment 2 of the present invention;
fig. 3 is a schematic circuit diagram of fig. 2.
Detailed Description
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two elements; may be a wireless connection. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The present invention will be described in further detail below with reference to the drawings, but is not limited thereto.
Example 1
As shown in FIG. 1, the quick response trigger signal circuit comprises an MCU module, a signal source selection module, an OR gate logic module, a controlled module and an external trigger signal source, wherein the external trigger signal source is respectively connected with the MCU module and the signal source selection module, the MCU module is respectively connected with the signal source selection module, the OR gate logic module and the external trigger signal source, the signal source selection module is respectively connected with the MCU module, the OR gate logic module and the external trigger signal source, and the OR gate logic module is respectively connected with the MCU module, the signal source selection module and the controlled module, and the controlled module is connected with the OR gate logic module. The circuit shortens the trigger response time of the trigger response circuit, improves the stroboscopic speed of the light source, and has stable work and strong practicability.
The working principle of the invention is as follows: s1, outputting a low level by the external trigger signal source before the circuit is electrified, enabling the MCU module to output a signal to enable the signal source selection module to select the external trigger signal source as an effective signal after the circuit is electrified, enabling the MCU trigger signal source output by the MCU module to be in a low level, and enabling the OR gate logic module to output a low level because the signal source selection module outputs the low level and the MCU trigger signal source output by the MCU module is in the low level; s2, the external trigger signal source outputs high level, and the signal source selection module selects the external trigger signal source as an effective signal, so that the signal source selection module immediately outputs high level to the OR gate logic module, and the OR gate logic module immediately outputs high level to the controlled module; s3, the detection module in the MCU module detects that the external trigger signal source is at a high level at the same time, after the program processing is completed, the MCU module outputs a signal at the same time to enable the signal source selection module to select the MCU trigger signal source of the MCU module as an effective signal, and at the moment, the OR gate logic module outputs the high level and is only controlled by the MCU trigger signal source of the MCU module but not controlled by the external trigger signal source; s4, the MCU module detects that the external trigger signal source is at a low level, the MCU module outputs a signal to enable the signal source selection module to select the external trigger signal source as an effective signal, the MCU module outputs the MCU trigger signal source at the low level, and the OR gate logic module outputs the low level; s5, waiting for the next arrival of the high level of the external trigger signal source; wherein steps S1, S2, S3, S4, S5 are performed in a loop.
Example 2
As shown in fig. 2 to 3, unlike example 1, the following is: the MCU module in this embodiment is an STM32F407 module. STM32F407 module, STM32F407 chip, is widely used in industrial control; besides, other chips with the same effect can be selected, and the chips can be flexibly selected according to actual conditions.
Preferably, the signal source selection module is a multiplexer module. The multiplexer module is a multiplexer; in addition, other circuit control modules with the same effect can be selected, and the circuit control modules can be flexibly selected according to actual conditions.
Preferably, the controlled module is a MOS tube driving module. The MOS tube driving module is an MOS tube driving circuit; in addition, other controlled elements with the same effect can be selected, and the controlled elements can be flexibly selected according to actual conditions.
Other modules are the same as those in embodiment 1, and will not be described here again.
While the foregoing description illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (7)
1. The quick response trigger signal circuit is characterized by comprising an MCU module, a signal source selection module, an OR gate logic module, a controlled module and an external trigger signal source, wherein the external trigger signal source is respectively connected with the MCU module, the signal source selection module, the MCU module is respectively connected with the signal source selection module, the OR gate logic module and the external trigger signal source, the signal source selection module is respectively connected with the MCU module, the OR gate logic module and the external trigger signal source, the OR gate logic module is respectively connected with the MCU module, the signal source selection module and the controlled module, and the controlled module is connected with the OR gate logic module;
s1, outputting a low level by the external trigger signal source before the circuit is electrified, enabling the MCU module to output a signal to enable the signal source selection module to select the external trigger signal source as an effective signal after the circuit is electrified, enabling the MCU trigger signal source output by the MCU module to be in a low level, and enabling the OR gate logic module to output a low level because the signal source selection module outputs the low level and the MCU trigger signal source output by the MCU module is in the low level;
s2, the external trigger signal source outputs high level, and the signal source selection module selects the external trigger signal source as an effective signal, so that the signal source selection module immediately outputs high level to the OR gate logic module, and the OR gate logic module immediately outputs high level to the controlled module;
s3, the detection module in the MCU module detects that the external trigger signal source is at a high level at the same time, after the program processing is completed, the MCU module outputs a signal at the same time to enable the signal source selection module to select the MCU trigger signal source of the MCU module as an effective signal, and at the moment, the OR gate logic module outputs the high level and is only controlled by the MCU trigger signal source of the MCU module but not controlled by the external trigger signal source;
s4, the MCU module detects that the external trigger signal source is at a low level, the MCU module outputs a signal to enable the signal source selection module to select the external trigger signal source as an effective signal, the MCU module outputs the MCU trigger signal source at the low level, and the OR gate logic module outputs the low level;
s5, waiting for the next arrival of the high level of the external trigger signal source;
wherein steps S1, S2, S3, S4, S5 are performed in a loop.
2. The quick response trigger signal circuit of claim 1, wherein: the MCU module is used for monitoring the signal source selection module, the OR gate logic module and the external trigger signal source.
3. The quick response trigger signal circuit of claim 1, wherein: the signal source selection module is used for monitoring the MCU module, the OR gate logic module and the external trigger signal source.
4. A quick response trigger signal circuit as claimed in claim 3, wherein: the signal source selection module is a multiplexer module.
5. The quick response trigger signal circuit of claim 1, wherein: the controlled module is used for executing the instruction from the OR gate logic module.
6. The quick response trigger signal circuit of claim 5, wherein: the controlled module is a MOS tube driving module.
7. The quick response trigger signal circuit of claim 1, wherein: the OR gate logic module is used for monitoring the MCU module, the signal source selection module and the controlled module.
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| CN201910399015.2A CN110087373B (en) | 2019-05-14 | 2019-05-14 | Quick response trigger signal circuit and control method thereof |
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| CN201910399015.2A CN110087373B (en) | 2019-05-14 | 2019-05-14 | Quick response trigger signal circuit and control method thereof |
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| CN110087373B true CN110087373B (en) | 2023-12-08 |
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| CN101296541A (en) * | 2008-06-12 | 2008-10-29 | 上海宝康电子控制工程有限公司 | Frequency-flashing light source control device |
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| CN104931778A (en) * | 2015-06-09 | 2015-09-23 | 浙江大学 | Clock frequency detection circuit |
| CN107231737A (en) * | 2017-07-17 | 2017-10-03 | 广东奥普特科技股份有限公司 | A kind of high speed stroboscopic blast light source controller with a variety of different flash patterns |
| CN207099401U (en) * | 2017-07-17 | 2018-03-13 | 广东奥普特科技股份有限公司 | A kind of high speed stroboscopic blast light source controller with a variety of different flash patterns |
| CN210183616U (en) * | 2019-05-14 | 2020-03-24 | 广东奥普特科技股份有限公司 | Quick response trigger signal circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017015581A1 (en) * | 2015-07-22 | 2017-01-26 | Mercury Systems, Inc. | Multi-voltage to isolated logic level trigger |
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2019
- 2019-05-14 CN CN201910399015.2A patent/CN110087373B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101296541A (en) * | 2008-06-12 | 2008-10-29 | 上海宝康电子控制工程有限公司 | Frequency-flashing light source control device |
| CN104217747A (en) * | 2013-06-03 | 2014-12-17 | 北京兆易创新科技股份有限公司 | Flash memory and flash memory reference source circuit switching method |
| CN104931778A (en) * | 2015-06-09 | 2015-09-23 | 浙江大学 | Clock frequency detection circuit |
| CN107231737A (en) * | 2017-07-17 | 2017-10-03 | 广东奥普特科技股份有限公司 | A kind of high speed stroboscopic blast light source controller with a variety of different flash patterns |
| CN207099401U (en) * | 2017-07-17 | 2018-03-13 | 广东奥普特科技股份有限公司 | A kind of high speed stroboscopic blast light source controller with a variety of different flash patterns |
| CN210183616U (en) * | 2019-05-14 | 2020-03-24 | 广东奥普特科技股份有限公司 | Quick response trigger signal circuit |
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