CN106647427A - Intelligent I/O card applied to detection equipment - Google Patents
Intelligent I/O card applied to detection equipment Download PDFInfo
- Publication number
- CN106647427A CN106647427A CN201510739782.5A CN201510739782A CN106647427A CN 106647427 A CN106647427 A CN 106647427A CN 201510739782 A CN201510739782 A CN 201510739782A CN 106647427 A CN106647427 A CN 106647427A
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- CN
- China
- Prior art keywords
- optical coupling
- coupling isolator
- intelligent
- input
- chip microcomputer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21021—Intelligent I-O, executes tasks independently from main cpu
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Tests Of Electronic Circuits (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
Abstract
The invention discloses an intelligent I/O card applied to detection equipment, which is characterized in that a single-chip microcomputer detects input signals connected through an input port and performs intelligent recognition on a product through the input signals, and external equipment connected with an output port is controlled by the single-chip microcomputer. Meanwhile, the single-chip microcomputer performs communication with other devices of test equipment through a CAN bus communication module and transfers detected information to other test devices, thereby realizing information sharing and automation of the detection equipment. According to the above mode, the intelligent I/O card applied to detection equipment enables the detection equipment to have functions of intelligent and automatic product model recognition, intelligent input/output control and the like, functions of automatic operations of the detection process, communication between the detection equipment and the like are realized, and the product detection period is greatly shortened while the manual operation amount is saved.
Description
Technical field
The present invention relates to the field of testing equipment, more particularly, to a kind of intelligent I/O cards for testing equipment.
Background technology
Product quality detection is indispensable important step in process of producing product, and the high efficiency of production process is constantly pursued during of today manufacturing.The functions such as input, the Port detecting of the product type in traditional detection process need the substantial amounts of operation for manually carrying out correlation, and such detection process has cycle length, error rate height, the high shortcomings of equipment attrition rate.
The content of the invention
The invention mainly solves the technical problem of providing a kind of intelligent I/O cards for testing equipment, make testing equipment that there is the intelligent function such as automatic identification product type and intelligent input output control, realize the functions such as communication between the automation mechanized operation of detection process and testing equipment, while having saved manual operation load, the Product checking cycle is greatly shortened.
To solve above-mentioned technical problem, one aspect of the present invention is：There is provided a kind of intelligent I/O cards for testing equipment, including
Single-chip microcomputer, the control centre that signal instruction is received and sent；
CAN communication module, using the CAN2.0 communications protocol of standard；
Input port, is made up of multichannel optical coupling isolator, the I/O pin of signal input to single-chip microcomputer, so as to the signal of detection input；
Output port, is made up of multichannel optical coupling isolator, and the I/O pin of single-chip microcomputer are connected to the optical coupling isolator of output port, so as to the break-make of controlled output mouth；
The input signal that described monolithic machine testing is connected by input port, the Intelligent Recognition of product is carried out by input signal, by the external equipment of the Single-chip Controlling output port connection stated, simultaneously, described single-chip microcomputer is communicated by CAN communication module with other devices of test equipment, other test devices are given by detected information transmission, the shared automation with testing equipment of information is realized.
In a preferred embodiment of the present invention, described input port includes multi-channel input mouth circuit, input port IN+ is provided with per input port circuit all the way, input port IN-, TVS pipe, first resistor, second resistance, Zener diode and the first optical coupling isolator, described TVS pipe is connected in parallel between input port IN+ and input port IN-, second resistance is connected on the IN+ of input port, Zener diode is in parallel with second resistance, one end series connection of the first optical coupling isolator pulls up first resistor to power supply VCC, the other end ground connection of the first optical coupling isolator, described first resistor is directly accessed the I/O mouths of single-chip microcomputer with the first optical coupling isolator output end, so as to the on off operating mode of detection input mouth.
In a preferred embodiment of the present invention, described output port includes multiple-channel output port circuit, delivery outlet OUT+ is provided with per output port circuit all the way, delivery outlet OUT-, first electric capacity, 3rd resistor and the second optical coupling isolator, the first described electric capacity is connected in parallel between delivery outlet OUT+ and delivery outlet OUT-, first electric capacity is also connected in parallel on the output end of the second optical coupling isolator, one end series connection of the second optical coupling isolator pulls up 3rd resistor to power supply VCC, another I/O mouths for terminating to single-chip microcomputer of the second optical coupling isolator, single-chip microcomputer is by controlled output I/O mouth so as to the break-make of controlled output port.
In a preferred embodiment of the present invention, in described the first optical coupling isolator and the second optical coupling isolator light emitting diode is provided with.
The invention has the beneficial effects as follows：The intelligent I/O cards for testing equipment of the present invention, make testing equipment that there is the intelligent function such as automatic identification product type and intelligent input output control, realize the functions such as communication between the automation mechanized operation of detection process and testing equipment, while having saved manual operation load, the Product checking cycle is greatly shortened.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, the accompanying drawing to be used needed for describing to embodiment below is briefly described, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, can to obtain other accompanying drawings according to these accompanying drawings, wherein：
Fig. 1 is structured flowchart of the present invention for a preferred embodiment of the intelligent I/O cards of testing equipment；
Fig. 2 is the circuit diagram of the input port of Fig. 1；
Fig. 3 is the circuit diagram of output port in Fig. 1；
Mark in accompanying drawing for:D1, TVS pipe, D2, Zener diode, R1, first resistor R2, second resistance, R3,3rd resistor, C1, the first electric capacity, I1, the first optical coupling isolator, I2, the second optical coupling isolator.
Specific embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
As shown in figure 1, the embodiment of the present invention includes：
A kind of intelligent I/O cards for testing equipment, including
Single-chip microcomputer, the control centre that signal instruction is received and sent；
CAN communication module, using the CAN2.0 communications protocol of standard；
Input port, is made up of multichannel optical coupling isolator, the I/O pin of signal input to single-chip microcomputer, so as to the signal of detection input；
Output port, is made up of multichannel optical coupling isolator, and the I/O pin of single-chip microcomputer are connected to the optical coupling isolator of output port, so as to the break-make of controlled output mouth；
The input signal that described monolithic machine testing is connected by input port, the Intelligent Recognition of product is carried out by input signal, by the external equipment of the Single-chip Controlling output port connection stated, simultaneously, described single-chip microcomputer is communicated by CAN communication module with other devices of test equipment, other test devices are given by detected information transmission, the shared automation with testing equipment of information is realized.
As shown in Figure 2，Described input port includes multi-channel input mouth circuit，Input port IN+ is provided with per input port circuit all the way、Input port IN-、TVS pipe D1、First resistor R1、Second resistance R2、Zener diode D2 and the first optical coupling isolator I1，Described TVS pipe D1 is connected in parallel between input port IN+ and input port IN-，As the anti-interference protection of input，Second resistance R2 is connected on the IN+ of input port，For the current limliting of input port，Zener diode D2 is in parallel with second resistance R2，The light emitting diode in the first optical coupling isolator I1 is protected for voltage clamping，One end series connection of the first optical coupling isolator I1 pulls up first resistor R1 to power supply VCC，The other end ground connection of the first optical coupling isolator I1，Described first resistor R1 and the first optical coupling isolator I1 output ends is directly accessed the I/O mouths of single-chip microcomputer，So as to the on off operating mode of detection input mouth.
As shown in Figure 3, described output port includes multiple-channel output port circuit, delivery outlet OUT+ is provided with per output port circuit all the way, delivery outlet OUT-, first electric capacity C1, 3rd resistor R3 and the second optical coupling isolator I2, the first described electric capacity C1 is connected in parallel between delivery outlet OUT+ and delivery outlet OUT-, for filtering, first electric capacity C1 is also connected in parallel on the output end of the second optical coupling isolator I2, one end series connection of the second optical coupling isolator I2 pulls up 3rd resistor R3 to power supply VCC, another I/O mouths for terminating to single-chip microcomputer of the second optical coupling isolator I2, single-chip microcomputer is by controlled output I/O mouth so as to the break-make of controlled output port.
In above-mentioned, in described the first optical coupling isolator I1 and the second optical coupling isolator I2 light emitting diode is provided with.
In sum, the intelligent I/O cards for testing equipment of the present invention, make testing equipment that there is the intelligent function such as automatic identification product type and intelligent input output control, realize the functions such as communication between the automation mechanized operation of detection process and testing equipment, while having saved manual operation load, the Product checking cycle is greatly shortened.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; equivalent structure or equivalent flow conversion that every utilization present specification is made; or other related technical fields are directly or indirectly used in, it is included within the scope of the present invention.
Claims (4)
1. a kind of intelligent I/O cards for testing equipment, it is characterised in that include
Single-chip microcomputer, the control centre that signal instruction is received and sent；
CAN communication module, using the CAN2.0 communications protocol of standard；
Input port, is made up of multichannel optical coupling isolator, the I/O pin of signal input to single-chip microcomputer, so as to the signal of detection input；
Output port, is made up of multichannel optical coupling isolator, and the I/O pin of single-chip microcomputer are connected to the optical coupling isolator of output port, so as to the break-make of controlled output mouth；
The input signal that described monolithic machine testing is connected by input port, the Intelligent Recognition of product is carried out by input signal, by the external equipment of the Single-chip Controlling output port connection stated, simultaneously, described single-chip microcomputer is communicated by CAN communication module with other devices of test equipment, other test devices are given by detected information transmission, the shared automation with testing equipment of information is realized.
2. intelligent I/O cards for testing equipment according to claim 1, it is characterized in that, described input port includes multi-channel input mouth circuit, input port IN+ is provided with per input port circuit all the way, input port IN-, TVS pipe, first resistor, second resistance, Zener diode and the first optical coupling isolator, described TVS pipe is connected in parallel between input port IN+ and input port IN-, second resistance is connected on the IN+ of input port, Zener diode is in parallel with second resistance, one end series connection of the first optical coupling isolator pulls up first resistor to power supply VCC, the other end ground connection of the first optical coupling isolator, described first resistor is directly accessed the I/O mouths of single-chip microcomputer with the first optical coupling isolator output end, so as to the on off operating mode of detection input mouth.
3. intelligent I/O cards for testing equipment according to claim 1, it is characterized in that, described output port includes multiple-channel output port circuit, delivery outlet OUT+ is provided with per output port circuit all the way, delivery outlet OUT-, first electric capacity, 3rd resistor and the second optical coupling isolator, the first described electric capacity is connected in parallel between delivery outlet OUT+ and delivery outlet OUT-, first electric capacity is also connected in parallel on the output end of the second optical coupling isolator, one end series connection of the second optical coupling isolator pulls up 3rd resistor to power supply VCC, another I/O mouths for terminating to single-chip microcomputer of the second optical coupling isolator, single-chip microcomputer is by controlled output I/O mouth so as to the break-make of controlled output port.
4. intelligent I/O cards for testing equipment according to Claims 2 or 3, it is characterised in that be provided with light emitting diode in described the first optical coupling isolator and the second optical coupling isolator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510739782.5A CN106647427A (en) | 2015-11-04 | 2015-11-04 | Intelligent I/O card applied to detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510739782.5A CN106647427A (en) | 2015-11-04 | 2015-11-04 | Intelligent I/O card applied to detection equipment |
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| CN106647427A true CN106647427A (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510739782.5A Pending CN106647427A (en) | 2015-11-04 | 2015-11-04 | Intelligent I/O card applied to detection equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10200406A (en) * | 1997-01-08 | 1998-07-31 | Ricoh Co Ltd | Pll circuit |
| CN201637814U (en) * | 2009-12-22 | 2010-11-17 | 广州擎天实业有限公司 | One-key type circuit board detecting device |
| CN102645912A (en) * | 2011-02-16 | 2012-08-22 | 北汽福田汽车股份有限公司 | Pure electric vehicle controller with anti-electromagnetic interference capability |
| CN203396844U (en) * | 2013-06-08 | 2014-01-15 | 广东明阳龙源电力电子有限公司 | DC bus-to-ground insulation resistance detection system for photovoltaic power generation system |
| CN104333364A (en) * | 2014-11-04 | 2015-02-04 | 许蓬 | AC solid state relay and fault detecting method of load circuit of same |
-
2015
- 2015-11-04 CN CN201510739782.5A patent/CN106647427A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10200406A (en) * | 1997-01-08 | 1998-07-31 | Ricoh Co Ltd | Pll circuit |
| CN201637814U (en) * | 2009-12-22 | 2010-11-17 | 广州擎天实业有限公司 | One-key type circuit board detecting device |
| CN102645912A (en) * | 2011-02-16 | 2012-08-22 | 北汽福田汽车股份有限公司 | Pure electric vehicle controller with anti-electromagnetic interference capability |
| CN203396844U (en) * | 2013-06-08 | 2014-01-15 | 广东明阳龙源电力电子有限公司 | DC bus-to-ground insulation resistance detection system for photovoltaic power generation system |
| CN104333364A (en) * | 2014-11-04 | 2015-02-04 | 许蓬 | AC solid state relay and fault detecting method of load circuit of same |
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Application publication date: 20170510 |