CN105323017A - Communication abnormality detecting apparatus, communication abnormality detecting method and program - Google Patents
Communication abnormality detecting apparatus, communication abnormality detecting method and program Download PDFInfo
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- CN105323017A CN105323017A CN201510373079.7A CN201510373079A CN105323017A CN 105323017 A CN105323017 A CN 105323017A CN 201510373079 A CN201510373079 A CN 201510373079A CN 105323017 A CN105323017 A CN 105323017A
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Abstract
Provided are communication abnormality detecting apparatus and the like which, even when such as PROFIBUS communication is not prepared to always observe a communication line in standard specifications, can also automatically detect abnormality of the communication line. A detecting portion (31) of the communication abnormality detecting apparatus (7) always observes communication voltage of the communication line between a host device (3) and slave devices (51). A notifying portion (33), when the communication voltage is lower than a set value, notifies the alarm besides, and also notifies the host device (3) of the ID of the slave device recognized as a communication object. The host device (3) displays abnormality at a display portion (15) and displays maintenance advance notice of a specific position, and makes a display portion (23) of the slave device (51) determined by the ID display to display the maintenance advance notice. And thus, even for such as the PROFIBUS communication, maintenance can also be increased.
Description
Technical field
The present invention relates to communication abnormality checkout gear, communication abnormality detection method and program, especially relating to the communication abnormality checkout gear etc. that the exception at main device and multiple communication from carrying out between device is detected.
Background technology
In recent years, in order to control multiple valve with electrically motorized operation actuator (hereinafter referred to as " VA ".), such as adopt PROFIBUS communication system.In PROFIBUS communication, main device is connected in series with multiple VA and communicate.In PROFIBUS communication, in standard specification, do not make the preparation observing order wire all the time.When using such PROFIBUS communication to use VA group, connect special analyzer and/or communication analysis device termly to monitor order wire.
In patent documentation 1, describe following content: in the system for controlling valve etc., collection parameter generates statistical model, thus realizes quality prediction and/or fault detect.
Prior art document
Patent documentation
Patent documentation 1 Japanese Unexamined Patent Publication 2013-084251 publication
Summary of the invention
The problem that invention will solve
But in the technology of patent documentation 1, to the parameter collected by communication, the action of each device evaluated by Using statistics model, carries out quality prediction and/or fault detect.Order wire becomes the basis of the communication of each device, does not directly detect the exception of order wire.
Such as in PROFIBUS communication, communication voltage because of routing resistance increase and/or respectively decay from the increase of the contact resistance of device.If increase at a part routing resistance and/or contact resistance, even if be then in than this position can communicate with suitable communication voltage from device by upstream side (main device side), being present in also probably becomes the communication voltage after decay than this position downstream (opposition side of main device) from device, and becomes and cannot communicate.When utilizing main device such fault to be detected, usually, be judged as the fault of main device, on-the-spot undertaker for object is safeguarded, becomes huge burden with whole device.
Thus, the object of the present invention is to provide following communication abnormality checkout gear etc., even if do not make the preparation observing order wire all the time as such as PROFIBUS communication in standard specification, also can automatically detect the exception of this order wire.
For the means of dealing with problems
1st viewpoint of the present application is a kind of communication system, communicate between device with multiple at main device, possesses the communication abnormality checkout gear that the exception at main device and multiple communication from carrying out between device is detected, described communication abnormality checkout gear possesses: detecting unit, and it detects the communication voltage between described main device and at least one said slave device; And notification unit, it is less or when expecting that described communication voltage can become less than described setting voltage than setting voltage at described communication voltage, to described main device notification alert information.
2nd viewpoint of the present application is in the communication system of the 1st viewpoint, describedly multiplely to comprise from device: one or more the 1st time from device, it is connected with described main device by order wire; With the 2nd time from device, it communicates with described main device from device via described 1st time; Described detecting unit, by read described main device and described 1st time from the rising of the square wave the order wire between device or the magnitude of voltage of decline, detect described communication voltage.
3rd viewpoint of the present application is in the communication system of the 1st or the 2nd viewpoint, described detecting unit, to for identifying monitoring together with described communication voltage from the identifying information of device as communication object, described notification unit is detecting that described communication voltage is below described setting voltage, or when expecting that described communication voltage can become less than described setting voltage, except described warning message, described main device is also notified to the identifying information of the communication object for determining this communication, described main device possesses communication unit, described communication unit is notified of warning message to what determined by described identifying information from device notice by communication, said slave device possesses display part, described display part, notified be notified of described warning message time, display has been notified of described warning message.
4th viewpoint of the present application is in the communication system of arbitrary viewpoint of the 1 to the 3, described notification unit, the communication voltage detected in the past and the communication voltage that detects thereafter are compared, judge whether the decay of communication voltage is in the 1st setting range, when the decay of communication voltage exceedes described 1st setting range, to described main device notification alert information, and/or judge and adjacent whether be in the 2nd setting range from the communication voltage difference of device, when communication voltage difference exceedes described 2nd setting range, to described main device notification alert information.
5th viewpoint of the present application is a kind of communication abnormality detection method, exception in main device and multiple communication from carrying out between device is detected, comprise: detecting step, the communication voltage between described main device and at least one said slave device is detected; And notifying process, less or when expecting that described communication voltage can become less than described setting voltage than setting voltage at described communication voltage, to described main device notification alert information.
6th viewpoint of the present application is a kind of program, and play function for making computer as such as lower unit: detecting unit, it detects from the communication voltage of the communication between device main device and at least one; And notification unit, it is less or when expecting that described communication voltage can become less than described setting voltage than setting voltage at described communication voltage, to described main device notification alert information.
In addition, also the present application can be interpreted as the recording medium of the embodied on computer readable of the program stably recording the 6th viewpoint.
In addition, setting voltage, the 1st setting range, the 2nd setting range also can be stored in the memory cell that communication abnormality checkout gear possesses.
Invention effect
According to each viewpoint of the present application, in PROFIBUS communication system etc., add communication abnormality checkout gear, communication abnormality checkout gear is all the time to main device and detect from the communication voltage the order wire between device and decline to it and judge, thus, even if do not make the preparation observing order wire all the time in standard specification, also can detect to main device and from the generation of the decline fault of the communication voltage the order wire between device and/or predict all the time.
And then, according to the 2nd viewpoint, such as serial communication like that a part from device (the 1st time from device) and main device directly (namely, not via other from device) connect carry out communicating and other carry out communicating from device from device (the 2nd time from device) via the 1st time, by detecting from the communication voltage of the order wire between device main device and the 1st time all the time, the detection/prediction of the generation that the exception can carrying out communication voltage as communication system entirety declines.
And then, according to the 3rd viewpoint, by determine the generation of the decline fault detecting/predict communication voltage from device, easily can determine the position of the increase producing routing resistance and/or contact resistance.And then, for determining that the identifying information of communication object is the information being used in communication, can be described as imagination information spatially.Thus, by respectively arranging display part from device, create abnormal situation what communicate from device display when decline communication voltage being detected, thus, on-the-spot undertaker easily can determine trouble location at the fault in-situ as real space.
And then, according to the 4th viewpoint, utilize and carry out detecting this point and comparing with the communication voltage detected in the past to communication voltage constantly by detecting all the time, or to utilize and adjacent poor from the communication voltage of device, thus the minimizing of communication voltage can be predicted accurately.Thereby, it is possible to by formulating the maintenance that maintenance project realizes preparing, suppress the generation of unexpected fault.Herein, certain is device with this from device direct communication from device adjacent from device, adjacently should to communicate from device with main device from device via this, or this adjacently communicates from device with main device from device via this.
Accompanying drawing explanation
Fig. 1 is the block diagram of an example of the structure of the communication system of the execution mode that the present application is shown.
Fig. 2 is the flow chart of an example of the action of the communication system 1 that Fig. 1 is shown.
Fig. 3 is the chart of the communication voltage detected by test section 31 that Fig. 1 is shown, (a) is the figure representing normal situation, and (b) represents the figure creating abnormal situation.
Fig. 4 be illustrate and adjacent communication voltage difference between device square the chart of an example.
Fig. 5 be to illustrate in communication abnormality checkout gear 7, monitor the square wave of communication voltage rising and read the figure of an example of the magnitude of voltage of the situation of magnitude of voltage.
Description of reference numerals
1 communication system, 3 main devices, 5 from device, 7 communication abnormality checkout gears, 11 Department of Communication Forces, 13 monitoring units, 15 display parts, 21 Department of Communication Forces, 23 display parts, 25 control parts, 31 test sections, 33 notification units, 35 storage parts
Embodiment
Below, with reference to accompanying drawing, carry out describing to the embodiment of the present application.In addition, the execution mode of the present application is not limited to following embodiment.
Embodiment
Fig. 1 is the block diagram of an example of the formation of the communication system of the execution mode that the present application is shown.Communication system 1 possesses: main device 3 (example of " the main device " of the application's claim), multiple from device 5
1..., 5
n(example of " from the device " of the application's claim) (N is the natural number of more than 2.Below, sometimes subscript is omitted.) and communication abnormality checkout gear 7 (example of " the communication abnormality checkout gear " of the application's claim).
In FIG, main device 3 be carry out the device that PROFIBUS communicates from device 5, be the device carrying out serial communication.Main device 3 with from device 5
1directly (that is, not via other from device) carry out communicating (from device 5
1be the application's claim " the 1st time from device " one example, other from device 5 be the application's claim " the 2nd time from device " one example.)。From device 5
1with main device 3 and from device 5
2carry out direct communication.From device 5
i(i is more than 2 and the natural number of below N-1) with from device 5
i-1and 5
i+1communicate.From device 5
nwith from device 5
n-1communicate.From device 5
1adjacent from device be from device 5
2.From device 5
iadjacent from device be from device 5
i-1and 5
i+1.From device 5
nadjacent from device be from device 5
n-1.
Main device 3 possesses Department of Communication Force 11, monitoring unit 13 and display part 15.Department of Communication Force 21, display part 23 and control part 25 is possessed from device 5.Communication abnormality checkout gear 7 possesses test section 31, notification unit 33 and storage part 35.
The Department of Communication Force 11 of main device 3 communicates between the Department of Communication Force 21 from device 5, controls respectively from the action of device 5.The numbering (ID) for identifying has been endowed respectively from device 5.Main device 3 communicating of being determined by ID between device 5.When communicating, in order to determine that communication object comprises the information containing ID.Therefore, test section 31 by detecting ID, can detect become communication object from device.
Are valve with electrically motorized operation actuator (VA) from device 5, control part 25 is according to carrying out the instruction of autonomous devices 3 to carry out valve control etc.
The test section 31 of communication abnormality checkout gear 7 main device 3 and with main device 3 carry out direct communication from device 5
1between order wire on detect communication voltage.Test section 31 detects communication voltage (with reference to Fig. 5) by the rising of square wave in reading communication or the magnitude of voltage of decline.Test section 31 by detecting the ID from device 5 in communication in the lump, determine as communication object from device 5.
Storage part 35 stores set point (example of " setting voltage " of the application's claim).If PROFIBUS communicates, then carry out the communication under DC5V, set point is such as set to 2.5V.When the communication voltage detected is less than set point, the decline creating communication voltage is informed to main device 3 by notification unit 33.Now, the ID from device 5 is informed to main device 3 by notification unit 33 in the lump.
In addition, storage part 35 stores the 1st setting range (example of " the 1st setting range " of the application's claim).Same from device, when this measured value and previous measured value difference square more than the 1st setting range time, needs are carried out important examination notice to main device 3 by notification unit 33.Now, the ID from device 5 is informed to main device 3 by notification unit 33 in the lump.
In addition, storage part 35 stores the 2nd setting range (example of " the 2nd setting range " of the application's claim).Measured value and the adjacent measured value from device difference square more than the 2nd setting range time, needs are carried out important examination notice to main device 3 by notification unit 33.Now, the ID from device 5 is informed to main device 3 by notification unit 33 in the lump.
Monitoring unit 13 can make display part 15 warning and on-the-spot undertaker be implemented to the maintenance warning of privileged site, and the display of the display part 23 from device 5 using communication to make to be determined by ID is created extremely and display maintenance advance notice.The display of the display part 23 from device 5 is determined the unstable position that communicates by on-the-spot undertaker as a reference, safeguards the telecommunication circuit of its periphery.Thereby, it is possible to raising maintenance.
Fig. 2 is the flow chart of an example of the action of the communication system 1 that Fig. 1 is shown.The test section 31 of communication abnormality checkout gear 7 monitors communication voltage (step ST1).Now, ID and voltage levvl is monitored.Then, the exception (step ST2) detecting or predict communication voltage is judged whether.As described above, for the exception of communication voltage, such as, notification unit 33 judges whether this measured value exceedes set point, or judge the difference of this measured value and previous measured value square whether more than the 1st setting range, or judge the difference of this measured value and the adjacent measured value from device square whether more than the 2nd setting range, judge whether notification alert information.And then, also can consider resume, the necessity changed also is judged.If voltage levvl is without exception, then return step ST1.
If voltage levvl exists abnormal, then to the monitoring unit 13 of main device 3 export detection is fallen under voltage and time detected ID and warning (alarm) (the step ST3) of voltage drop.Monitoring unit 13 shows exception at display part 15, and makes Department of Communication Force 11 create electric voltage exception (step ST4) to the notice of the Department of Communication Force 21 from device 5 determined by ID.Notified produce electric voltage exception from device, create exception (step ST5) in display part 23 display.On-the-spot undertaker easily can determine to detect by the display of the display part 23 from device 5 abnormal from device 5, by safeguarding the telecommunication circuit of periphery centered by device 5 by this, voltage drop abnormal (step ST6) easily can be repaired.Then, step ST1 is returned.
Fig. 3 is the chart that communication voltage is shown, (a) represents normal situation, and (b) expression creates abnormal situation.In figure 3, in transverse axis, illustrate connected in series from device from main device successively, the longitudinal axis illustrate utilize main device with respectively from the communication check of device to communication voltage.For communication voltage, when there is the branch line resistance variation of each VA, compared with VA adjacent with downstream, communication voltage declines sometimes, so except several exception, in principle, communication voltage along with via from device increase and decline.In (a) normal situation, entirety is more than 2.5V.When creating abnormal, be more than 2.5V to certain from device, but be above this just become below 2.5V after device.Therefore, probably become and cannot communicate.Wherein, measure and there is inequality, this 2.5V is set to consider uneven threshold value, becomes the possibility that cannot communicate completely low.Therefore, use communication, to creating, abnormal to create communication voltage from device notice abnormal.Such as, when detect multiple stage lower than set point from device, can at least make lower than in set point, the communication voltage value that detects is the highest from device display communication voltage drop.Such as, the highest the showing from device of communication voltage value from device of the value with below communication voltage value 2.5V can be made, also can to according to magnitude of voltage order notifying from device and showing to predetermined number from high to low.In addition, also can make to show from device lower than all of set point.
Fig. 4 be illustrate adjacent communication voltage difference square chart.Transverse axis represents from device, the longitudinal axis illustrate with the adjacent communication voltage difference from device square.When being set as below 0.02 by the 2nd setting range, what what the value of the longitudinal axis was larger than 0.02 became next time from device 5 makes regular check on object.In the diagram, identifiable design makes regular check on object to such.Equally, the adjacent difference of the measured value obtained in regular mensuration square and/or with the difference of previous measured value square in, (the such as 3*3=9<10 when significantly exceeding the feasible value of being specified by system, therefore when more than 10 times), export warning message.
Fig. 5 illustrates the rising of the square wave monitoring communication voltage and reads the example of the situation of magnitude of voltage.As shown in Figure 5, by monitoring the voltage levvl of the square wave in communication, communication voltage can be detected.
In addition, the present application is not limited to the such structure of Fig. 1, also can be such as tree have that multiple and main device 3 is directly connected like that from device, communication abnormality checkout gear 7 main device be directly connected multiplely between device, detect communication voltage, its decline is detected.
Claims (6)
1. a communication system, communicates with multiple at main device between device,
This communication system possesses the communication abnormality checkout gear detected the exception at main device and multiple communication from carrying out between device,
Described communication abnormality checkout gear possesses:
Detecting unit, it detects the communication voltage between described main device and at least one said slave device; With
Notification unit, it is less or when expecting that described communication voltage can become less than described setting voltage than setting voltage at described communication voltage, to described main device notification alert information.
2. communication system according to claim 1,
Describedly multiplely to comprise from device: one or more the 1st time from device, it utilizes order wire and is connected with described main device; With the 2nd time from device, it communicates with described main device from device via described 1st time,
Described detecting unit, by read described main device and described 1st time from the rising of the square wave the order wire between device or the magnitude of voltage of decline, described communication voltage is detected.
3. communication system according to claim 1 and 2,
Described detecting unit, to for identifying monitoring together with described communication voltage from the identifying information of device as communication object,
Described notification unit detect described communication voltage be below described setting voltage or expect that described communication voltage can become less than described setting voltage time, except described warning message, described main device is also notified to the identifying information of the communication object for determining this communication
Described main device possesses communication unit, and described communication unit, by communication, is notified of warning message to what determined by described identifying information from device notice,
Said slave device possesses display part, described display part, notified be notified of described warning message time, display be notified of described warning message.
4. the communication system according to any one of claims 1 to 3,
Described notification unit,
The communication voltage detected in the past and the communication voltage that detects thereafter are compared, judge whether the decay of communication voltage is in the 1st setting range, when the decay of communication voltage exceedes described 1st setting range, to described main device notification alert information, and/or
Judge whether be in the 2nd setting range from the communication voltage difference of device, when communication voltage difference exceedes described 2nd setting range, to described main device notification alert information with adjacent.
5. a communication abnormality detection method, detecting the exception in main device and multiple communication from carrying out between device, comprising:
Detecting step, detects the communication voltage between described main device and at least one said slave device; With
Notifying process, less or when expecting that described communication voltage can become less than described setting voltage than setting voltage at described communication voltage, to described main device notification alert information.
6. a program, plays function for making computer as such as lower unit:
Detecting unit, it detects from the communication voltage of the communication between device main device and at least one; With
Notification unit, it is less or when expecting that described communication voltage can become less than described setting voltage than setting voltage at described communication voltage, to described main device notification alert information.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-135601 | 2014-07-01 | ||
| JP2014135601A JP6370132B2 (en) | 2014-07-01 | 2014-07-01 | Communication abnormality detection device, communication abnormality detection method and program |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105323017A true CN105323017A (en) | 2016-02-10 |
| CN105323017B CN105323017B (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510373079.7A Active CN105323017B (en) | 2014-07-01 | 2015-06-30 | Communication abnormality detection device, communication abnormality detection method and recording medium |
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| Country | Link |
|---|---|
| JP (1) | JP6370132B2 (en) |
| KR (1) | KR101613100B1 (en) |
| CN (1) | CN105323017B (en) |
| TW (1) | TWI566065B (en) |
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| CN108705948A (en) * | 2018-05-31 | 2018-10-26 | 宁波市鄞州智伴信息科技有限公司 | Communication control method for new-energy automobile charging navigation |
| CN108759850A (en) * | 2018-05-31 | 2018-11-06 | 宁波市鄞州智伴信息科技有限公司 | New-energy automobile charging navigation system |
| CN108749611A (en) * | 2018-05-31 | 2018-11-06 | 宁波市鄞州智伴信息科技有限公司 | Accurate method of calibration for new-energy automobile charging navigation |
| CN108995544A (en) * | 2018-05-31 | 2018-12-14 | 宁波市鄞州智伴信息科技有限公司 | Communication control system for new-energy automobile charging navigation |
| CN109059958A (en) * | 2018-05-31 | 2018-12-21 | 宁波市鄞州智伴信息科技有限公司 | Accurate check system for new-energy automobile charging navigation |
| CN114338264A (en) * | 2021-12-17 | 2022-04-12 | 珠海格力电器股份有限公司 | Bus communication quality control method and system, air conditioning unit and electronic equipment |
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| CN108705948A (en) * | 2018-05-31 | 2018-10-26 | 宁波市鄞州智伴信息科技有限公司 | Communication control method for new-energy automobile charging navigation |
| CN108759850A (en) * | 2018-05-31 | 2018-11-06 | 宁波市鄞州智伴信息科技有限公司 | New-energy automobile charging navigation system |
| CN108749611A (en) * | 2018-05-31 | 2018-11-06 | 宁波市鄞州智伴信息科技有限公司 | Accurate method of calibration for new-energy automobile charging navigation |
| CN108995544A (en) * | 2018-05-31 | 2018-12-14 | 宁波市鄞州智伴信息科技有限公司 | Communication control system for new-energy automobile charging navigation |
| CN109059958A (en) * | 2018-05-31 | 2018-12-21 | 宁波市鄞州智伴信息科技有限公司 | Accurate check system for new-energy automobile charging navigation |
| CN114338264A (en) * | 2021-12-17 | 2022-04-12 | 珠海格力电器股份有限公司 | Bus communication quality control method and system, air conditioning unit and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI566065B (en) | 2017-01-11 |
| JP6370132B2 (en) | 2018-08-08 |
| KR101613100B1 (en) | 2016-04-20 |
| CN105323017B (en) | 2018-09-21 |
| JP2016015562A (en) | 2016-01-28 |
| TW201602747A (en) | 2016-01-16 |
| KR20160003549A (en) | 2016-01-11 |
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