CN102945197A - Communication method between control module and display module and industrial control display device - Google Patents
Communication method between control module and display module and industrial control display device Download PDFInfo
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- CN102945197A CN102945197A CN2012103944788A CN201210394478A CN102945197A CN 102945197 A CN102945197 A CN 102945197A CN 2012103944788 A CN2012103944788 A CN 2012103944788A CN 201210394478 A CN201210394478 A CN 201210394478A CN 102945197 A CN102945197 A CN 102945197A
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Abstract
The invention discloses a communication method between a control module and a display module, and belongs to a communication failure removal method. The communication method comprises a control module, a display module and a displayer, wherein the control module is connected with the display module through a communication interface; the display module is connected with the displayer; the control module comprises a monitoring component; the monitoring component monitors times of interruption at the communication interface; the preset value of times of interruption in a unit time is prestored in the control module; the monitoring component compares the times of interruption in the unit time at the communication interface with the preset value of times of interruption; the abnormal situation is judged if the times of interruption at the communication interface is smaller than the preset value of the times of interruption; and then the control module restarts self or the communication interface or the display module to eliminate the abnormal situation. According to the technical scheme, the communication method and the industrial control display device have the benefits that the detection to the reliability of communication connection between the control module and the display module is ensured; and the communication abnormity can be automatically recovered to the largest extent.
Description
Technical field
The present invention relates to a kind of communication failure method for removing, relate in particular to communication means and industry control display device between a kind of control module and the display module.
Background technology
The drive part of industry control display device is generally a display module, communicates integratedly by serial ports or other communications portals and original system, realizes the Presentation Function expansion of original system.But when display module is communicated by letter with the control module of original system, in the more abominable industrial application occasion of some environment, communication between the two easily is disturbed, and perhaps the display module sole mass is unstable, causes occurring the phenomenons such as terminal display device flower screen, blank screen, data do not upgrade.
Summary of the invention
For the existing the problems referred to above of existing industry control display device, now provide a kind of control module and the communication means between the display module and industry control display device that is intended to automatically get rid of communication failure between control module and the display module.
Concrete technical scheme is as follows:
Communication means between a kind of control module and the display module comprises main control module with hardware formation, main with the display module of hardware formation and the display that is used for presenting image;
Described control module is connected with described display module by communication interface, and send to described display module with the form of interrupting and to need the data that show, described display module is connected with described display, and will be treated to from the data of described control module and be fit to be sent to described display after the form that described display presents, wherein
Described control module comprises a monitor component, described monitor component is monitored the number of times that generation is interrupted at described communication interface place, prestore interruption times preset value in the unit interval in the described control module, described monitor component compares interruption times and the described interruption times preset value that described communication interface place occured in the unit interval, the interruption times that occurs in the communication interface place unit interval as described then is judged as unusually less than described interruption times preset value, when generation described when unusual described control module to self or described communication interface or described display module is restarted so that described unusual elimination.
Preferably, the described control module method of restarting self or restarting described communication interface or described display module specifically comprises the steps:
Step a1, described control module judge that first the appearance describedly restart described communication interface afterwards unusually, and in described communication interface restart rear judge describedly unusually whether eliminate, unusual elimination is then withdrawed from as described;
Step a2, unusually do not eliminate then repeating step a1 pre-determined number as described;
Step a3, as eliminating unusually yet as described in behind the repeating step a1 pre-determined number, then described display module is restarted, and in described display module restart rear judge describedly unusually whether eliminate, unusual elimination is then withdrawed from as described;
Step a4, unusually eliminate and then described control module self is restarted as described.
Preferably, also comprise a warning piece, eliminating then unusually yet as described after described step a4 is finished, described control module drives the step that described warning piece is reported to the police.
A kind of industry control display device wherein, adopts the communication means between above-mentioned control module and the display module to control.
The beneficial effect of technique scheme is:
1, adopts the method for the communication interface interruption monitoring of control module, guaranteed the detection of communication-link reliability between control module and the display module.
2, adopt systematic influence scope three kinds of different self-recovery methods from low to high, go up to greatest extent communication abnormality is recovered automatically.
Description of drawings
Fig. 1 is the syndeton synoptic diagram of control module, display module and display device among the embodiment of the communication means between a kind of control module of the present invention and the display module;
Fig. 2 is that the control module among the embodiment of the communication means between a kind of control module of the present invention and the display module is restarted self or restarted communication interface or the FB(flow block) of the method for display module.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, but not as limiting to the invention.
As shown in Figure 1, the embodiment of the communication means between a kind of control module of the present invention and the display module comprises main control module with hardware formation, main with the display module of hardware formation and the display that is used for presenting image; Control module is connected with display module by communication interface, and send to display module with the form of interrupting and to need the data that show, display module is connected with display, and will be treated to from the data of control module and be fit to be sent to display after the form that display presents, wherein, control module comprises a monitor component, monitor component monitoring communications interface interrupts the number of times of generation, prestore interruption times preset value in the unit interval in the control module, monitor component compares interruption times and the interruption times preset value that occurs in the communication interface place unit interval, then be judged as unusually less than the interruption times preset value such as the interruption times that occurs in the communication interface place unit interval, control module is to self or communication interface or display module is restarted so that unusual the elimination when abnormal.Control module can a built-in reservoir part to store the interruption times preset value, monitor component can arrange the interruption times of a totalizer to occur in the cumulative communications interface unit interval, and a timer is set with the control unit interval.When timer arrives the unit interval, monitor component by the reservoir part of inquiry in the control module to obtain the interruption times preset value, and compare with the currency of totalizer, with the interruption times determining to occur in the communication interface place unit interval whether less than the interruption times preset value.
On the technique scheme basis, further, as shown in Figure 2, control module is restarted self or is restarted communication interface or the method for display module specifically comprises the steps:
Unusually whether step a1, control module judge that first the appearance restart communication interface afterwards unusually, and restart rear judgement in communication interface and to eliminate, and then withdraw from such as unusual elimination;
Step a2, as unusually not eliminating then repeating step a1 pre-determined number; The number of times of repeated execution of steps a1 can be by the preset parameter control that is preset in the control module, control module by inquire about in its built-in reservoir part preset parameter and by the cumulative number of times pre-determined number time step a1 that judged whether executed that repeats.
Step a3, as eliminating unusually yet behind the repeating step a1 pre-determined number, then display module is restarted, and restarts rear judgement in display module and unusually whether eliminate, then withdraw from such as unusual elimination; The action of restarting display module is carried out by control module, and control module can be implemented to restart to display module by the method for hardware reset.
Step a4, then control module self is not restarted as unusually eliminating.Because control module is generally set up around the control device with register, so control module can reset by the register to control device to realize to self restarting.
On the technique scheme basis, further, comprise a warning piece, after step a4 is finished as unusually do not eliminate yet then control module and drive warning piece and report to the police.
Also comprise a kind of industry control display device in the embodiments of the invention, wherein, adopt the communication means between above-mentioned control module and the display module to control.
The above only is preferred embodiment of the present invention; be not so restriction embodiments of the present invention and protection domain; to those skilled in the art; should recognize that being equal to that all utilizations instructions of the present invention and diagramatic content done replace and the resulting scheme of apparent variation, all should be included in protection scope of the present invention.
Claims (4)
1. the communication means between a control module and the display module comprises the control module that mainly forms with hardware, the display module that mainly forms with hardware and the display that is used for presenting image;
Described control module is connected with described display module by communication interface, and send to described display module with the form of interrupting and to need the data that show, described display module is connected with described display, and will be treated to from the data of described control module and be fit to be sent to described display after the form that described display presents image, it is characterized in that
Described control module comprises a monitor component, described monitor component is monitored the number of times that generation is interrupted at described communication interface place, prestore interruption times preset value in the unit interval in the described control module, described monitor component compares interruption times and the described interruption times preset value that described communication interface place occured in the unit interval, the interruption times that occurs in the communication interface place unit interval as described then is judged as unusually less than described interruption times preset value, when generation described when unusual described control module to self or described communication interface or described display module is restarted so that described unusual elimination.
2. the communication means between control module and the display module as claimed in claim 1 is characterized in that, the method that described control module is restarted self or restarted described communication interface or described display module specifically comprises the steps:
Step a1, described control module judge that first the appearance describedly restart described communication interface afterwards unusually, and in described communication interface restart rear judge describedly unusually whether eliminate, unusual elimination is then withdrawed from as described;
Step a2, unusually do not eliminate then repeating step a1 pre-determined number as described;
Step a3, as eliminating unusually yet as described in behind the repeating step a1 pre-determined number, then described display module is restarted, and in described display module restart rear judge describedly unusually whether eliminate, unusual elimination is then withdrawed from as described;
Step a4, unusually eliminate and then described control module self is restarted as described.
3. the communication means between control module and the display module as claimed in claim 2, it is characterized in that, also comprise a warning piece, eliminating then unusually yet as described after described step a4 is finished, described control module drives the step that described warning piece is reported to the police.
4. an industry control display device is characterized in that, adopts such as the communication means between control module as described in arbitrary among the claim 1-3 and the display module and controls.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210394478.8A CN102945197B (en) | 2012-10-17 | 2012-10-17 | Communication means between a kind of control module and display module and industry control display unit |
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| CN201210394478.8A CN102945197B (en) | 2012-10-17 | 2012-10-17 | Communication means between a kind of control module and display module and industry control display unit |
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| CN102945197A true CN102945197A (en) | 2013-02-27 |
| CN102945197B CN102945197B (en) | 2016-05-11 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105225466A (en) * | 2015-09-16 | 2016-01-06 | 安康鸿天科技开发有限公司 | A kind of data transmission and fault detection system |
| CN106547263A (en) * | 2015-09-18 | 2017-03-29 | 惠州市德赛西威汽车电子股份有限公司 | The communication failure self-picketing correction method of automobile instrument system |
| CN107017802A (en) * | 2017-05-04 | 2017-08-04 | 广州智光电气股份有限公司 | The supervising device and method of a kind of high-voltage solid-state soft starter |
| WO2019140918A1 (en) * | 2018-01-22 | 2019-07-25 | 格力电器（武汉）有限公司 | Display panel control method, apparatus, system, display panel, and device unit |
| CN110954849A (en) * | 2019-11-18 | 2020-04-03 | 珠海格力电器股份有限公司 | Abnormity detection system and method for electrical equipment and monitoring terminal |
| CN112356021A (en) * | 2020-10-15 | 2021-02-12 | 武汉市新攀登科技有限公司 | Signal sending and receiving method, controller and manipulator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105225466A (en) * | 2015-09-16 | 2016-01-06 | 安康鸿天科技开发有限公司 | A kind of data transmission and fault detection system |
| CN106547263A (en) * | 2015-09-18 | 2017-03-29 | 惠州市德赛西威汽车电子股份有限公司 | The communication failure self-picketing correction method of automobile instrument system |
| CN107017802A (en) * | 2017-05-04 | 2017-08-04 | 广州智光电气股份有限公司 | The supervising device and method of a kind of high-voltage solid-state soft starter |
| WO2019140918A1 (en) * | 2018-01-22 | 2019-07-25 | 格力电器（武汉）有限公司 | Display panel control method, apparatus, system, display panel, and device unit |
| CN110954849A (en) * | 2019-11-18 | 2020-04-03 | 珠海格力电器股份有限公司 | Abnormity detection system and method for electrical equipment and monitoring terminal |
| CN110954849B (en) * | 2019-11-18 | 2021-03-12 | 珠海格力电器股份有限公司 | Abnormity detection system and method for electrical equipment and monitoring terminal |
| CN112356021A (en) * | 2020-10-15 | 2021-02-12 | 武汉市新攀登科技有限公司 | Signal sending and receiving method, controller and manipulator |
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| Publication number | Publication date |
|---|---|
| CN102945197B (en) | 2016-05-11 |
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