CN104506386B - A kind of monitoring method, monitoring system and relevant apparatus - Google Patents
A kind of monitoring method, monitoring system and relevant apparatus Download PDFInfo
- Publication number
- CN104506386B CN104506386B CN201410827368.5A CN201410827368A CN104506386B CN 104506386 B CN104506386 B CN 104506386B CN 201410827368 A CN201410827368 A CN 201410827368A CN 104506386 B CN104506386 B CN 104506386B
- Authority
- CN
- China
- Prior art keywords
- crc
- preset
- electronic equipment
- monitoring
- power electronic
- Prior art date
- 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.)
- Active
Links
Abstract
The embodiment of the invention discloses a kind of monitoring method, monitoring system and relevant apparatus, power electronic equipment can be monitored in real time, and effectively improve monitoring efficiency.The method comprise the steps that whether the CRC and the CRC got according to the data frame in supervisory messages in addition to the CRC that compare supervisory messages carrying match the response message to decide whether return response supervisory messages, the embodiment of the present invention directly guarantees the legitimacy and reliability monitored to power electronic equipment by supervisory messages, without repeating data validation and re-transmission, not only power electronic equipment can be monitored in real time, transmission process is more simplified, monitoring efficiency is effectively improved.
Description
Technical field
The present invention relates to electric field more particularly to a kind of monitoring methods, monitoring system and relevant apparatus.
Background technique
According to the actual needs of motor, frequency converter can provide its institute by adjusting the voltage and frequency of output voltage for motor
The supply voltage needed.Since the operating parameter (running frequency, output voltage and busbar voltage etc.) of frequency converter is not always
In disconnected variation, it is therefore desirable to which operating parameter and read-write capability code to frequency converter etc. are monitored.
The power electronic equipments such as frequency converter can be monitored by ICP/IP protocol communication mode in the prior art, into
During row monitoring, it is necessary first to establish initialization connection between the ends, connection could be to frequency converter after being successfully established
It is monitored, and in connection and establishment process, once signal will be issued by going wrong, it is desirable that it transmits again, until all
Data safety is properly transferred to destination, needs repeatedly to carry out data validation between both ends and data retransmit, monitor process
It is tediously long, it not can guarantee monitoring in real time, monitoring efficiency is extremely low.
Summary of the invention
The embodiment of the invention provides a kind of monitoring method, monitoring system and relevant apparatus, can monitor in real time, and effectively
Ground improves monitoring efficiency.
In a first aspect, the present invention provides a kind of monitoring method, it is main can include:
It is sent with the communication mode of UDP/IP to power electronic equipment and is used to monitor electric power according to what the first frame format generated
The supervisory messages of the parameter information of electronic equipment, wherein the first frame format includes the first preset CRC, so that power electronics is set
Standby the first response message that transmission is generated according to the second frame format when determining the first CRC and the first preset CRC match, first
CRC is that power electronic equipment is obtained according to the data frame in the supervisory messages received in addition to the first preset CRC, the second frame
Format includes the second preset CRC；
The first response message that power electronic equipment is sent is received, judges whether the 2nd CRC matches with the second preset CRC,
Wherein, the 2nd CRC is obtained according to the data frame in the first response message received in addition to the second preset CRC；
If matching, control message is generated according to the first response message and is sent to power electronic equipment to set to power electronics
It is standby to be controlled.
Second aspect, the present invention provides a kind of monitoring methods, main can include:
It receives monitoring device and is used for monitoring parameters according to what the first frame format generated with what the communication mode of UDP/IP was sent
The supervisory messages of information, wherein the first frame format includes the first preset CRC；
Judge whether the first CRC matches with the first preset CRC, if matching, sends to monitoring device according to the second frame format
The first response message generated disappears so that monitoring device generates control when determining the 2nd CRC with the second preset CRC match
Breath, wherein the first CRC is obtained according to the data frame in the supervisory messages received in addition to the first preset CRC, second
CRC is that monitoring device is obtained according to the data frame in the first response message received in addition to the second preset CRC, the second frame
Format includes the second preset CRC；
Receive the control message that monitoring device is sent.
The third aspect, the present invention provides a kind of monitoring devices, main can include:
Monitoring unit, for what is generated to power electronic equipment transmission according to the first frame format with the communication mode of UDP/IP
For monitoring the supervisory messages of the parameter information of power electronic equipment, wherein the first frame format includes the first preset CRC, so that
It obtains power electronic equipment and sends first generated according to the second frame format when determining the first CRC and the first preset CRC match
Response message, the first CRC are power electronic equipments according to the data frame in the supervisory messages received in addition to the first preset CRC
It obtains, the second frame format includes the second preset CRC；
First processing units judge the 2nd CRC and second for receiving the first response message of power electronic equipment transmission
Whether preset CRC matches, wherein the 2nd CRC is according to the number in the first response message received in addition to the second preset CRC
It is obtained according to frame；
Control unit, for when first processing units determine the 2nd CRC and the second preset CRC match, according to first
Response message generates control message and is sent to power electronic equipment to control power electronic equipment.
Fourth aspect, the present invention provides a kind of power electronic equipments characterized by comprising
Unit under test, what the communication mode with UDP/IP for receiving monitoring device transmission was generated according to the first frame format
Supervisory messages for monitoring parameters information, wherein the first frame format includes the first preset CRC；
Third processing unit, if matching, is sent out for judging whether the first CRC matches with the first preset CRC to monitoring device
The first response message generated according to the second frame format is sent, so that monitoring device is determining the 2nd CRC and the second preset CRC
Control message is generated when matching, wherein the first CRC is according to the number in the supervisory messages received in addition to the first preset CRC
It is obtained according to frame, the 2nd CRC is monitoring device according to the data in the first response message received in addition to the second preset CRC
What frame obtained, the second frame format includes the second preset CRC；
Controlled cell, for receiving the control message of monitoring device transmission.
5th aspect, the present invention provides a kind of monitoring systems, mainly may include that the monitoring provided such as the third aspect is set
It is standby, and such as the power electronic equipment of fourth aspect offer.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
The CRC that the present invention is carried by comparing supervisory messages is obtained with according to the data frame in supervisory messages in addition to the CRC
Whether the CRC got matches to decide whether to respond the supervisory messages, and monitoring device is set with power electronics in the embodiment of the present invention
It is standby to be not necessarily to carry out initialization connection, directly guarantee the conjunction monitored to power electronic equipment by the CRC carried in supervisory messages
Method and reliability not only can in real time be monitored power electronic equipment, more without repeating data validation and re-transmission
Transmission process is simplified, monitoring efficiency is effectively improved.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the technical staff of field, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a flow diagram of monitoring method provided in an embodiment of the present invention；
Fig. 2 is another flow diagram of monitoring method provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of monitoring device in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of power electronic equipment in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of monitoring system in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without making creative work
Example, shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " includes " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, production
Product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for this
A little process, methods, the other step or units of product or equipment inherently.
It the embodiment of the invention provides a kind of monitoring method, can monitor in real time, and effectively improve monitoring efficiency.This
Inventive embodiments also provide corresponding monitoring system and relevant apparatus, please participate in Fig. 1 to Fig. 5.Below by specific implementation
Example, is described in detail respectively.
A kind of monitoring method provided in an embodiment of the present invention is applicable to monitor various power electronic equipments, electric power electricity
Sub- equipment be support Ethernet monitoring power electronic equipment, as frequency converter, inverter, uninterruptible power supply (UPS,
Uninterruptible Power Supply) and servo-driver etc..For convenience, the embodiment of the present invention will
It is described in detail, does not constitute a limitation of the invention so that the power electronic equipment is frequency converter as an example.
The monitoring method will be described in detail with the angle of monitoring device below, wherein the monitoring device can be with
The communication mode of UDP/IP is monitored power electronic equipment, is not necessarily to using this kind of communication mode in monitoring device and electric power electricity
Initialization connection is carried out between sub- equipment, secondly by cyclic redundancy check code (CRC, Cyclical Redundancy
Check) verify mode come guarantee data transmission correctness and integrality.
The monitoring method is specific can include: monitoring device sends the use generated according to the first frame format to power electronic equipment
In the supervisory messages of the parameter information of monitoring power electronic equipment, wherein the first frame format includes the first preset CRC, so that
Power electronic equipment is answered according to first that the second frame format generates with sending when the first preset CRC match determining the first CRC
Message is answered, the first CRC is that power electronic equipment is obtained according to the data frame in the supervisory messages received in addition to the first preset CRC
It takes, the second frame format includes the second preset CRC；Monitoring device receives the first response message that power electronic equipment is sent, and sentences
Whether disconnected 2nd CRC matches with the second preset CRC, wherein the 2nd CRC is according to removing second in the first response message received
What the data frame except preset CRC obtained；If matching, monitoring device generates control message according to the first response message and is sent to
Power electronic equipment is to control power electronic equipment.
Referring to FIG. 1, Fig. 1 is an a kind of flow diagram of monitoring method provided in an embodiment of the present invention, wherein should
Method mainly can comprise the following steps that
Step 101 is used to monitor power electronic equipment to power electronic equipment transmission according to what the first frame format generated
The supervisory messages of parameter information, wherein the first frame format includes the first preset CRC, so that power electronic equipment is determining
First CRC and the first response message generated according to the second frame format is sent when the first preset CRC match, the first CRC is electric power
Electronic equipment is obtained according to the data frame in the supervisory messages received in addition to the first preset CRC, and the second frame format includes
Second preset CRC；
For convenience, the embodiment of the present invention is described in detail so that the power electronic equipment is frequency converter as an example, no
Enough at limitation of the invention.
The parameter information of frequency converter includes running frequency, setpoint frequency, slope given frequency, output electric current, output torque
Any one of load factor, output voltage, busbar voltage and running speed etc. are any multinomial.
Supervisory messages are that monitoring device is generated according to the first frame format, wherein first frame format can include: first is pre-
CRC, command code, type of site, task ID, the number of the address of parameter information and parameter information are set, table one is specifically seen.
The frame format of table one, supervisory messages
Monitoring device can the frame format according to upper table one generate supervisory messages, above-mentioned frame format distributed each frame
The byte number of content.Command code in above-mentioned frame format indicates that this is to read parameter information or write parameters information (such as with 03
Indicate to read, use 06 indicates to write), type of site is actively or passively (such as indicating that actively, use 1 indicates passive with 0) that task ID is
Indicate the serial number of this monitoring, retention frame is other reserved frame data, if this " running and imitating to frequency converter of monitoring device
Rate " is monitored, then parameter information address is the address for needing the parameter information monitored in frequency converter, in the present embodiment
In, parameter information address is the address information of operational efficiency, and parameter information number, which is 1, then to be indicated only to supervise operational efficiency
It surveys, a if N (N is greater than 1 natural number), N number of parameter information is continuously read in expression since operational efficiency, that is, reads fortune
Line efficiency and the another N-1 other parameters information adjacent with operational efficiency.
Monitoring device can be according to the content meter of other data frames in the first frame format in addition to first preset CRC this frame
Calculation obtains the value of the first preset CRC, and the value of the first preset CRC is filled into this frame, and specific calculation formula sees existing
There is technology, details are not described herein again.
First preset CRC can be located in the frame head, postamble or any frame of supervisory messages, and the present invention is with the first CRC bit in prison
It is described in detail, does not constitute a limitation of the invention for surveying in the frame head of message.
In the embodiment of the present invention, monitoring device can once monitor one or more frequency converters, if desired monitor more changes
Frequency device then sends supervisory messages to this more frequency converters respectively, wherein frequency converter can be according to circumstances after receiving the supervisory messages
The supervisory messages are responded, are specifically included:
Frequency converter can calculate first according to the content of data frame of the supervisory messages received in addition to the first preset CRC
CRC, and the first CRC is compared with the first preset CRC, judge whether the two matches, wherein the first CRC and first is preset
CRC match is the first CRC equal with the value of the first preset CRC, if the first CRC and the first preset CRC are unequal, first
The preset CRC of CRC and first is mismatched.Wherein, in the first preset CRC supervisory messages that be monitoring device send according to its needs
What appearance was calculated, the first CRC is that frequency converter is calculated according to the supervisory messages received.It should be understood that letter
Number in transmittance process, certain frame data may be lost, so that the different monitoring device that is surely completely received of frequency converter is directed to
The supervisory messages that the frequency converter is sent, frequency converter often receive supervisory messages needs and verify to the supervisory messages, confirmation prison
Control the legal identity of equipment.
When determining the first CRC and the first preset CRC match, frequency converter confirms that received supervisory messages are complete
, monitoring device can be monitored it with legal, and frequency converter then returns to one response message of monitoring device, wherein in order to
Description is convenient, and the response message that frequency converter is correctly responded to supervisory messages is described as the first response message.
First response message is that frequency converter is generated according to the second frame format, second frame format can include: second is pre-
Set the data content of CRC, command code, type of site, task ID, the length of parameter information and parameter information, wherein second is preset
CRC is frequency converter according to the resulting CRC of the content of the first response message calculating.Specifically see table two:
The frame format of table two, the first response message
Frequency converter can the frame format according to upper table two generate the first response message, correspond to above-mentioned supervisory messages, it is above-mentioned
Command code in frame format indicates that this is to read parameter information or write parameters information (such as to indicate to read with 03, use 06 indicates
Write), type of site is that actively or passively (such as being indicated actively to indicate passive with 1 with 0) task ID is to indicate the sequence of this monitoring
Number, retention frame is other reserved frame data, if supervisory messages only monitor " operational efficiency ", the parameter in the first response message
Message length is the length of operational efficiency, if supervisory messages monitoring operational efficiency and output voltage adjacent thereto, parameter letter
The total length that length is operational efficiency and output voltage is ceased, parameter information content is the size and output voltage of operational efficiency
The byte number of size, parameter information content is defined according to the particular content of frequency converter.After the content for having filled above-mentioned data frame,
The value of the second preset CRC is calculated according to the content of above-mentioned each data frame.
It should be noted that if when frequency converter determines the first CRC and the first preset CRC mismatch, this monitoring device pair
The reason of monitoring of frequency converter fails, then frequency converter sends monitoring failure message informs that monitoring device monitoring is lost to monitoring device
The reason of losing.After monitoring device receives the reason of monitoring failure message, whether continues to send to frequency converter as needed and supervise
Message is surveyed to continue to monitor to frequency converter.
In some embodiments, the reason of monitoring that frequency converter returns fails message can be generated according to frame format,
Concrete form is to increase a frame data on the basis of above-mentioned second frame format as " the reason of monitoring failure ", monitors failure
Former frame data of cause message are consistent with the above, but the length of parameter information and the content of parameter information are sky.
After frequency converter receives the supervisory messages of monitoring device, either returns to the first response message and still monitor failure
Cause message can generate the first response message or message the reason of dendrometry loses according to following frame formats, can specifically join
Read table three:
Table three, the first response message or the frame format for monitoring failure cause message
When frequency converter determines the first CRC and the first preset CRC match, the mission failure reason in above-mentioned frame format is
After the content for having filled above-mentioned data frame, the value of the second preset CRC is calculated according to the content of above-mentioned each data frame for sky；
When frequency converter determines the first CRC and the first preset CRC and mismatches, the length of parameter information and the content of parameter information are
It is empty.
It is understood that frequency converter can not correct response monitoring device, it may be possible to due to monitoring device request monitoring
This or the multiple parameters information are encryption information, monitoring device does not have access authority, the parameter letter of monitoring device request monitoring
Breath has crossed the border and (such as can not continuously read N number of parameter information), communication disruption has occurred during monitoring or has been to CRC
Check errors etc..
Step 102 receives the first response message that power electronic equipment is sent；
Receive the first response message of frequency converter transmission, indicate frequency converter can the monitoring of correct response monitoring device disappear
Breath, monitoring device can read the first response message, and verify to first response message, specifically executable step 103.
Step 103 judges whether the 2nd CRC matches with the second preset CRC, if matching, is generated according to the first response message
Control message is simultaneously sent to power electronic equipment to control power electronic equipment, wherein the 2nd CRC is that basis receives
The first response message in data frame in addition to the second preset CRC obtain；
Monitoring device parses the first response message, calculates the data frame in the first response message in addition to the second preset CRC
Content obtain the 2nd CRC, and judge whether the 2nd CRC matches with the second preset CRC.
If matching, then it represents that monitoring device successfully reads the parameter information of frequency converter, then can according to need to frequency converter
It is controlled, specifically: control message is generated according to the first response message and is sent to frequency converter to control frequency converter,
Execute step 104；
If mismatch, then it represents that monitoring device successfully read frequency converter parameter information, then can according to need after
It is continuous that frequency converter is monitored, or terminate this monitoring process.
Monitoring device compares the 2nd CRC and the second preset CRC, can further verify supervisory messages whether by frequency converter just
It should indeed answer, further improve the reliability of monitoring.
Monitoring device receives the first response message of frequency converter return, parses to the parameter information of frequency converter, if
It needs to change its parameter information, then modify its parameter information and controls frequency converter.For example, monitoring device parses the first response message
The output voltage for knowing frequency converter is 100V, if it is 110V that monitoring device, which needs to output it voltage control, monitoring device will
Output voltage is the control message of 110V to frequency converter, controls the output voltage of frequency converter.
Control message is monitoring device to be generated according to third frame format, the third frame format include: the preset CRC of third,
Command code, type of site, task ID, the address of parameter information and parameter information data content, the preset CRC of third is according to control
What the content of message processed was calculated.Specifically see table four:
The frame format of table four, control message
Monitoring device can the frame format according to shown in upper table four generate control message, above-mentioned frame format distributed each frame
Content byte number.Command code in above-mentioned frame format indicate this be read parameter information or write parameters information (such as with
03 indicates to read, and use 06 indicates to write), type of site is actively or passively (such as indicating that actively, use 1 indicates passive with 0) task ID
It is the serial number for indicating this monitoring, retention frame is other reserved frame data, if this " running and imitating to frequency converter of monitoring device
Rate " is controlled, then parameter information address is the address information of operational efficiency, and parameter information content is the fortune after Frequency Converter Control
The size of line efficiency.
The control message is sent to frequency converter by monitoring device, then completes the monitoring to frequency converter.
Further, after monitoring device sends the control message, frequency converter can verify the control message, judgement
Whether the 3rd CRC matches with the preset CRC of third, and feeds back to monitoring device according to judging result, wherein the 3rd CRC is frequency conversion
Device is obtained according to the data frame in the control message received in addition to the preset CRC of third, preset in the 3rd CRC and third
When CRC match, the second response message is returned to monitoring device and returns to control when the 3rd CRC and the preset CRC of third are mismatched
The reason of failure, message was to monitoring device.Therefore, after step 104, further comprising the steps of:
Receive the second response message that frequency converter is sent when determining the 3rd CRC and the preset CRC match of third, wherein
3rd CRC is that frequency converter is obtained according to the data frame in the control message received in addition to the preset CRC of third；Or
The reason of control that frequency converter is sent when determining the 3rd CRC and mismatching with the preset CRC of third fails is received to disappear
Breath.
Wherein, when the 3rd CRC and the preset CRC of third are mismatched, the reason of returning to control failure message to monitoring device,
Monitoring device can according to need selection and be to continue with to frequency converter transmission control message, still terminate this monitoring process.
The reason of second response message and control failure, message can be generated according to following frame format, which can
The reason of including: the 4th preset CRC, command code, type of site, task ID, control failure.Specifically see table five:
The frame format of the reason of table five, the second response message or control fail message
Frequency converter can the frame format according to upper table five generate the second response message, correspond to above-mentioned control message, it is above-mentioned
Command code in frame format indicates that this is to read parameter information or write parameters information (such as to indicate to read with 03, use 06 indicates
Write), type of site is that actively or passively (such as being indicated actively to indicate passive with 1 with 0) task ID is to indicate the sequence of this monitoring
Number, retention frame is other reserved frame data, if frequency converter is determined in the 3rd CRC CRC match preset with third, is returned
The second response message in the content of " control failure the reason of " be sky, if the 3rd CRC and the preset CRC of third are mismatched, " control
The content of the reason of system failure " is specific reason.
It should be noted that monitoring method described in the invention, is not limited to be monitored frequency converter, it can also be to not
The equipment that uninterruptible power (UPS, Uninterruptible Power Supply) and servo etc. support Ethernet monitoring carries out
Monitoring, similarly with the monitoring to frequency converter, the present invention repeats no more for specific implementation.
From the foregoing, it will be observed that the CRC that is carried by comparing supervisory messages of the present invention with according in supervisory messages in addition to the CRC
Whether the CRC that data frame is got matches to decide whether response supervisory messages, because of monitoring device of the embodiment of the present invention and electric power
Electronic equipment realizes communication in the way of UDP/IP communication mode and verifying CRC, without carrying out initialization connection, simplifies biography
Defeated process, when requesting to monitor to power electronic equipment, power electronic equipment can be directly according to the CRC carried in supervisory messages
Legitimacy confirmed, and confirm it is legal after respond the monitoring, not only ensure that power electronic equipment monitoring it is legal
Property and reliability power electronic equipment can be monitored in real time, mitigated and without repeating data validation and re-transmission
Network burden, effectively improves monitoring efficiency.
In order to better understand above-described embodiment, the present invention also provides a kind of monitoring methods, can set to power electronics
It is standby to be monitored.The power electronic equipment be support Ethernet monitoring power electronic equipment, as frequency converter, inverter, not between
Power-off source (UPS, Uninterruptible Power Supply) and servo-driver etc..For convenience, this hair
Bright embodiment will be described in detail so that the power electronic equipment is frequency converter as an example, not constitute a limitation of the invention.
This method will be described in detail with the angle of power electronic equipment below, power electronic equipment can receive prison
Control equipment is monitored it with the communication mode of UDP/IP, is not necessarily to using this kind of communication mode in monitoring device and power electronics
Initialization connection is carried out between equipment, secondly by cyclic redundancy check code (CRC, Cyclical Redundancy Check)
The mode of verification come guarantee data transmission correctness and integrality.
The monitoring method is specific can include: power electronic equipment receives generating according to the first frame format for monitoring device transmission
The supervisory messages for monitoring parameters information, wherein the first frame format include the first preset CRC；Power electronic equipment judgement
Whether the first CRC matches with the first preset CRC, if matching, power electronic equipment is sent to monitoring device according to the second frame format
The first response message generated disappears so that monitoring device generates control when determining the 2nd CRC with the second preset CRC match
Breath, wherein the first CRC is obtained according to the data frame in the supervisory messages received in addition to the first preset CRC, second
CRC is that monitoring device is obtained according to the data frame in the first response message received in addition to the second preset CRC, the second frame
Format includes the second preset CRC；Power electronic equipment receives the control message that monitoring device is sent.
Fig. 2 is specifically seen, Fig. 2 is a kind of another flow diagram of monitoring method provided in an embodiment of the present invention, should
Method mainly can comprise the following steps that
Step 201 receives the monitoring for monitoring parameters information generated according to the first frame format that monitoring device is sent
Message, wherein the first frame format includes the first preset CRC；
For convenience, the embodiment of the present invention is described in detail so that the power electronic equipment is frequency converter as an example, no
Enough at limitation of the invention.
The parameter information of frequency converter includes running frequency, setpoint frequency, slope given frequency, output electric current, output torque
Any one of load factor, output voltage, busbar voltage and running speed etc. are any multinomial.
Supervisory messages are that monitoring device is generated according to the first frame format, first frame format include: the first preset CRC,
Command code, type of site, task ID, the number of the address of parameter information and parameter information.It specifically sees table one, herein
It repeats no more.
Monitoring device can be calculated according to the content of other data frames in the first frame format in addition to the first preset CRC
The value of first preset CRC, specific calculation formula see the prior art, and details are not described herein again.First preset CRC can be located at prison
It surveys in the frame head, postamble or any frame of message, the present invention carries out specifically so that the first CRC bit is in the frame head of supervisory messages as an example
It is bright, it does not constitute a limitation of the invention.
Step 202 judges whether the first CRC matches with the first preset CRC, if matching, sends to monitoring device according to the
The first response message that two frame formats generate, so that monitoring device is raw when determining the 2nd CRC and the second preset CRC match
At control message, wherein the first CRC is obtained according to the data frame in the supervisory messages received in addition to the first preset CRC
, the 2nd CRC is that monitoring device is obtained according to the data frame in the first response message received in addition to the second preset CRC
, the second frame format includes the second preset CRC；
Frequency converter can calculate first according to the content of data frame of the supervisory messages received in addition to the first preset CRC
CRC, and the first CRC is compared with the first preset CRC, judge whether the two matches, wherein the first preset CRC is monitoring
What the content for the supervisory messages that equipment is sent according to its needs was calculated, the first CRC is frequency converter according to the prison received
Survey what message was calculated.It should be understood that signal in transmittance process, may lose certain frame data, so that frequency conversion
The different monitoring device that is surely completely received of device is directed to the supervisory messages that the frequency converter is sent, and frequency converter often receives supervisory messages
It needs to verify the supervisory messages, confirms the legal identity of monitoring device.
If determine the first CRC and the first preset CRC mismatch, this monitoring device fails to the monitoring of frequency converter,
Then frequency converter sends the reason of monitoring failure message to monitoring device, informs the reason of monitoring device monitors failure.Monitoring device
Receive the monitoring failure the reason of message after, whether continue as needed to frequency converter send supervisory messages with to frequency converter after
It is continuous to be monitored.
When determining the first CRC and the first preset CRC match, frequency converter confirms that received supervisory messages are complete
, monitoring device can be monitored it with legal, and frequency converter then returns to one response message of monitoring device, wherein in order to
Description is convenient, and the response message that frequency converter is correctly responded to supervisory messages is described as the first response message.
First response message is that frequency converter is generated according to the second frame format, second frame format can include: second is pre-
Set the data content of CRC, command code, type of site, task ID, the length of parameter information and parameter information.It specifically sees
Upper table two, details are not described herein again.
In some embodiments, the reason of monitoring that frequency converter returns fails message can be generated according to frame format,
Concrete form is to increase a frame data on the basis of above-mentioned second frame format as " the reason of monitoring failure ", monitors failure
Former frame data of cause message are consistent with the above, but the length of parameter information and the content of parameter information are sky.
After frequency converter receives the supervisory messages of monitoring device, either returns to the first response message and still monitor failure
Cause message, can be according to the frame format of upper table three: the second preset CRC, command code, type of site, task ID, monitoring are lost
The data content of the reason of losing, the length of parameter information and parameter information generates the first response message or the reason of dendrometry loses disappears
Breath.When frequency converter determines the first CRC and the first preset CRC match, the mission failure reason in above-mentioned frame format is sky, is filled out
After the content for charging above-mentioned data frame, the value of the second preset CRC is calculated according to the content of above-mentioned each data frame；In frequency conversion
When device determines the first CRC and the first preset CRC mismatch, the length of parameter information and the content of parameter information are sky.
It is understood that frequency converter can not correct response monitoring device, it may be possible to due to monitoring device request monitoring
This or the multiple parameters information are encryption information, monitoring device does not have access authority, the parameter letter of monitoring device request monitoring
Breath has crossed the border and (such as can not continuously read N number of parameter information), communication disruption has occurred during monitoring or has been to CRC
Check errors etc..
Monitoring device receives the first response message of frequency converter return, parses to the parameter information of frequency converter, if
It needs to change its parameter information, then modify its parameter information and controls frequency converter.For example, monitoring device parses the first response message
The output voltage for knowing frequency converter is 100V, if it is 110V that monitoring device, which needs to output it voltage control, monitoring device will
Output voltage is the control message of 110V to frequency converter, controls the output voltage of frequency converter.
Control message is generated according to third frame format, and third frame format includes: the preset CRC of third, command code, website
Type, task ID, the address of parameter information and parameter information data content, the preset CRC of third is according in control message
What appearance was calculated.Table four is specifically seen, details are not described herein again.
Step 203 receives the control message that monitoring device is sent.
Further, after frequency converter receives the control message that monitoring device is sent, which is verified.
I.e. after step 204, further includes: judge whether the 3rd CRC matches with the preset CRC of third, if matching, sent out to monitoring device
The second response message is sent, if mismatching, sends the reason of control fails message to monitoring device, wherein the 3rd CRC is basis
What the data frame in the control message received in addition to the preset CRC of third obtained.
Wherein, the reason of the second response message and control fail message can be according to the frame format next life in upper table five
At the frame format can include: the reason of the 4th preset CRC, command code, type of site, task ID, control fail.If frequency converter
The interior of " the reason of control failure " is determined in the second response message returned in the 3rd CRC CRC match preset with third
Hold to be empty, if the 3rd CRC and the preset CRC of third are mismatched, the content of " the reason of control failure " is specific reason.
It should be noted that monitoring method described in the invention, it is not limited to frequency converter, uninterruptible power supply (UPS,
Uninterruptible Power Supply) and the equipment of supporting Ethernet monitoring such as servo be suitable for the present invention,
Similarly, the present invention repeats no more for specific implementation and the implementation of frequency converter.
The embodiment of the present invention can simultaneously be monitored multiple frequency converters, be emulated according to the data that monitoring obtains,
In order to select better control program according to the data of multiple frequency converters.For example, can be according to the ginseng of the frequency converter monitored
Number information emulates on oscillograph, facilitates engineer to read at any time, engineer can be according to the data field adjustable read
With solve the problems, such as frequency converter.
If monitoring single inverter every time, it maximum can support that 10 channels can be most if monitoring multiple frequency converters every time
20 channels are supported greatly.By taking single inverter as an example, 1 data packet is received every 32ms, the size of packet is opened depending on user
How many a channels.If 1 64, channel data, 1 data, 2 bytes, then 1 channel totally 128 byte data, 10 channels
Totally 1280 byte.
Further, monitoring device can be monitored oscillograph, monitoring process and it is above-mentioned similarly, it is no longer superfluous herein
It states.
Embodiment in order to better understand the present invention, below in conjunction with power electronic equipment and monitoring device to of the invention real
The monitoring method for applying example is described in detail.The power electronic equipment is the power electronic equipment for supporting Ethernet monitoring, is such as become
Frequency device, inverter, uninterruptible power supply (UPS, Uninterruptible Power Supply) and servo-driver etc..
Specifically, the embodiment of the present invention is described in detail so that the power electronic equipment is frequency converter as an example, do not constitute to of the invention
It limits.
Wherein, before monitoring device is monitored frequency converter, a socket Socket is created first, and create one
Sockaddr_in and Socket is bound, data transmit-receive thread is then established, so that monitoring device and change by a sockaddr_in
It can establish connection between frequency device.
The supervisory messages generated according to the first frame format are sent to frequency converter by step 301, monitoring device, and supervisory messages are used
In the monitoring parameters information of frequency converter, the first frame format includes the first preset CRC；
First preset CRC is monitoring device according to the content of supervisory messages calculating gained.
Step 302, frequency converter receive supervisory messages, judge whether the first CRC matches with the first preset CRC, wherein first
CRC is that frequency converter is obtained according to the data frame in the supervisory messages received in addition to the first preset CRC；
First preset CRC is frequency converter according to the content of the first response message calculating gained.
If step 303, matching, frequency converter send the first response message generated according to the second frame format, the second frame lattice
Formula includes the second preset CRC；
If mismatching, frequency converter sends the reason of monitoring fails message.
Step 304, monitoring device receive the first response message, judge whether the 2nd CRC matches with the second preset CRC,
In, the 2nd CRC is that monitoring device is obtained according to the data frame in the first response message received in addition to the second preset CRC
's；
If step 305, matching generate control message according to the first response message and third frame format and are sent to frequency converter
To control frequency converter, wherein third frame format includes the preset CRC of third；
If mismatching, if mismatching, terminate to monitor process.
Step 305, frequency converter receiving control message, judge whether the 3rd CRC matches with the preset CRC of third, wherein third
CRC is that frequency converter is obtained according to the data frame in the control message received in addition to the preset CRC of third；
If step 306, mismatch, the reason of control fails message is sent；
If matching, frequency converter sends the second response message.
Step 307, monitoring device receive the reason of control failure message.
Monitoring device when message, can according to need selection and continue to send control message the reason of receiving control failure
Or terminate monitoring process.
For convenient for better implementation monitoring method provided in an embodiment of the present invention, the embodiment of the present invention also provides one kind and is based on
The device of above-mentioned monitoring method.Wherein the meaning of noun is identical with above-mentioned monitoring method, and specific implementation details can be with reference to side
Explanation in method embodiment.
Fig. 3 specifically is seen, Fig. 3 is a kind of structural schematic diagram of monitoring device provided by the invention.The monitoring device can
To be monitored to power electronic equipment.The power electronic equipment is the power electronic equipment for supporting Ethernet monitoring, such as frequency conversion
Device, inverter, uninterruptible power supply (UPS, Uninterruptible Power Supply) and servo-driver etc..For
Description is convenient, and the embodiment of the present invention will be described in detail so that the power electronic equipment is frequency converter as an example, does not constitute to this
The restriction of invention.
A kind of monitoring device 400, it may include: monitoring unit 401, first processing units 402 and control unit 403.Specifically
It is as follows:
Monitoring unit 401, for sending the parameter for being used to monitor frequency converter generated according to the first frame format to frequency converter
The supervisory messages of information, wherein the first frame format includes the first preset CRC, so that frequency converter is determining the first CRC and the
Send the first response message for generating according to the second frame format when one preset CRC match, the first CRC is frequency converter according to receiving
Supervisory messages in data frame in addition to the first preset CRC obtain, the second frame format includes the second preset CRC；
First processing units 402 judge that the 2nd CRC and second is pre- for receiving the first response message of frequency converter transmission
Set whether CRC matches, wherein the 2nd CRC is according to the data in the first response message received in addition to the second preset CRC
What frame obtained；
Control unit 403, for when first processing units 402 determine the 2nd CRC and the second preset CRC match, root
Control message is generated according to the first response message and is sent to frequency converter to control frequency converter.
In some embodiments, first processing units 402 are also used to determine the first CRC and first in frequency converter pre-
When setting CRC mismatch, the reason of monitoring that frequency converter is sent fails message is received.
Further, which can also include:
The second processing unit 404, for receiving frequency converter transmission when determining the 3rd CRC and the preset CRC match of third
The second response message, wherein the 3rd CRC be frequency converter according in the control message received in addition to the preset CRC of third
What data frame obtained；Or
The reason of control that frequency converter is sent when determining the 3rd CRC and mismatching with the preset CRC of third fails is received to disappear
Breath.
Wherein, the first frame format includes: the address of the first preset CRC, command code, type of site, task ID, parameter information
With the number of parameter information.
Second frame format includes: the second preset CRC, command code, type of site, task ID, the length of parameter information and ginseng
The data content of number information.
Control message is generated according to third frame format, and third frame format includes: the preset CRC of third, command code, website
Type, task ID, the address of parameter information and parameter information data content.
Parameter information includes any one of following or multinomial: running frequency, setpoint frequency, slope given frequency, output electric current,
Output torque load factor, output voltage, busbar voltage and running speed.
It should be noted that the specific implementation of the embodiment of the present invention can be found in above-described embodiment, details are not described herein again.
From the foregoing, it will be observed that the CRC that is carried by comparing supervisory messages of the present invention with according in supervisory messages in addition to the CRC
Whether the CRC that data frame is got matches to decide whether response supervisory messages, and the embodiment of the present invention directly passes through supervisory messages
Come guarantee to frequency converter monitor legitimacy and reliability, without repeating data validation and re-transmission, not only can in real time it is right
Frequency converter is monitored, and more simplifies transmission process, effectively improves monitoring efficiency.
In addition, the present invention also provides a kind of power electronic equipments 500, it may include: Unit under test 501, third processing are single
Member 502 and controlled cell 503.
Fig. 4 specifically is seen, Fig. 4 is a kind of structural schematic diagram of power electronic equipment provided by the invention.It is specifically such as
Under:
Unit under test 501, for receiving believing according to what the first frame format generated for monitoring parameters for monitoring device transmission
The supervisory messages of breath, wherein the first frame format includes the first preset CRC；
Third processing unit 502, for judging whether the first CRC matches with the first preset CRC, if matching, sets to monitoring
Preparation send the first response message generated according to the second frame format, so that monitoring device is determining the 2nd CRC and second in advance
Generate control message when setting CRC match, wherein the first CRC be according in the supervisory messages that receive in addition to the first preset CRC
Data frame obtain, the 2nd CRC be monitoring device according in the first response message received in addition to the second preset CRC
What data frame obtained, the second frame format includes the second preset CRC；
Controlled cell 503, for receiving the control message of monitoring device transmission.
In some embodiments, third processing unit 502 mismatches if being also used to the preset CRC of the first CRC and first
When, the reason of monitoring fails message is sent to monitoring device.
Further, which may also include fourth processing unit 504:
Third processing unit 504, for judging whether the 3rd CRC matches with the preset CRC of third, if matching, to monitoring
Equipment sends the second response message, if mismatching, sends the reason of control fails message to monitoring device, wherein the 3rd CRC
It is to be obtained according to the data frame in the control message received in addition to the preset CRC of third.
Wherein, the first frame format includes: the address of the first preset CRC, command code, type of site, task ID, parameter information
With the number of parameter information.
Second frame format includes: the second preset CRC, command code, type of site, task ID, the length of parameter information and ginseng
The data content of number information.
Control message is generated according to third frame format, and third frame format includes: the preset CRC of third, command code, website
Type, task ID, the address of parameter information and parameter information data content.
Parameter information includes any one of following or multinomial: running frequency, setpoint frequency, slope given frequency, output electric current,
Output torque load factor, output voltage, busbar voltage and running speed.
Power electronic equipment of the invention can receive the monitoring of monitoring device, specifically, the power electronic equipment is branch
The power electronic equipment for holding Ethernet monitoring, such as frequency converter, inverter, uninterruptible power supply (UPS, Uninterruptible
Power Supply) and servo-driver etc..
It should be noted that the specific implementation of the embodiment of the present invention can be found in above-described embodiment, details are not described herein again.
From the foregoing, it will be observed that the CRC that is carried by comparing supervisory messages of the present invention with according in supervisory messages in addition to the CRC
Whether the CRC that data frame is got matches to decide whether response supervisory messages, and the embodiment of the present invention directly passes through supervisory messages
Guarantee the legitimacy and reliability that monitor to power electronic equipment, it without repeating data validation and re-transmission, not only can be with
Frequency converter is monitored in real time, more simplifies transmission process, effectively improves monitoring efficiency.
The present invention also provides a kind of monitoring systems 600, specific can include: monitoring device 601 and power electronic equipment
602, wherein monitoring device 601 can be monitored power electronic equipment 602, specifically, the power electronic equipment 602 is
The power electronic equipment for supporting Ethernet monitoring, such as frequency converter, inverter, uninterruptible power supply (UPS, Uninterruptible
Power Supply) and servo-driver etc..For convenience, the embodiment of the present invention will be with the power electronic equipment
To be described in detail for frequency converter, do not constitute a limitation of the invention.
Fig. 5 specifically is seen, Fig. 5 is a kind of structural schematic diagram of monitoring system provided by the invention.Its is specific as follows:
Monitoring device 601 is used to monitor electric power electricity according to what the first frame format generated for sending to power electronic equipment
The supervisory messages of the parameter information of sub- equipment, wherein the first frame format includes the first preset CRC, so that power electronic equipment
The first response message that transmission is generated according to the second frame format when determining the first CRC and the first preset CRC match, first
CRC is that power electronic equipment is obtained according to the data frame in the supervisory messages received in addition to the first preset CRC, the second frame
Format includes the second preset CRC；The first response message that power electronic equipment is sent is received, judges that the 2nd CRC and second is preset
Whether CRC matches, wherein the 2nd CRC is according to the data frame in the first response message received in addition to the second preset CRC
It obtains；If matching, control message is generated according to the first response message and is sent to power electronic equipment to set to power electronics
It is standby to be controlled；
Power electronic equipment 602, for receiving joining according to what the first frame format generated for monitoring for monitoring device transmission
The supervisory messages of number information, wherein the first frame format includes the first preset CRC；Whether judge the first CRC and the first preset CRC
Matching sends the first response message generated according to the second frame format to monitoring device, so that monitoring device is being sentenced if matching
Control message is generated when breaking to the 2nd CRC and the second preset CRC match, wherein the first CRC is according to the supervisory messages received
In data frame in addition to the first preset CRC obtain, the 2nd CRC is monitoring device according in the first response message received
What the data frame in addition to the second preset CRC obtained, the second frame format includes the second preset CRC；Receive what monitoring device was sent
Control message.
Wherein, the first frame format includes: the address of the first preset CRC, command code, type of site, task ID, parameter information
With the number of parameter information.
Second frame format includes: the second preset CRC, command code, type of site, task ID, the length of parameter information and ginseng
The data content of number information.
Control message is generated according to third frame format, and third frame format includes: the preset CRC of third, command code, website
Type, task ID, the address of parameter information and parameter information data content.
Parameter information includes any one of following or multinomial: running frequency, setpoint frequency, slope given frequency, output electric current,
Output torque load factor, output voltage, busbar voltage and running speed.
It should be noted that the specific implementation of the embodiment of the present invention can be found in above-described embodiment, details are not described herein again.
From the foregoing, it will be observed that the CRC that is carried by comparing supervisory messages of the present invention with according in supervisory messages in addition to the CRC
Whether the CRC that data frame is got matches to decide whether response supervisory messages, and the embodiment of the present invention directly passes through supervisory messages
Guarantee the legitimacy and reliability that monitor to power electronic equipment, it without repeating data validation and re-transmission, not only can be with
Power electronic equipment is monitored in real time, more simplifies transmission process, effectively improves monitoring efficiency.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
Technical solution of the present invention substantially the part that contributes to existing technology or the technical solution in other words
Completely or partially it can be embodied in the form of software products, which is stored in a storage medium,
It uses including some instructions so that a computer equipment (can be personal computer, server or the network equipment etc.) is held
The all or part of the steps of each embodiment method of the row present invention.And storage medium above-mentioned include: USB flash disk, it is mobile hard disk, read-only
Memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or
The various media that can store program code such as person's CD.
A kind of monitoring method provided by the present invention, monitoring system and relevant apparatus are described in detail above, this
Apply that a specific example illustrates the principle and implementation of the invention in text, the explanation of above example is only intended to
It facilitates the understanding of the method and its core concept of the invention；Meanwhile for those skilled in the art, according to an embodiment of the present invention
Thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as
Limitation of the present invention.
Claims (15)
1. a kind of monitoring method characterized by comprising
It is sent with the communication mode of UDP/IP to power electronic equipment and is used to monitor the electric power according to what the first frame format generated
The supervisory messages of the parameter information of electronic equipment, wherein first frame format includes the first preset CRC, so that the electricity
Power electronic equipment sends first generated according to the second frame format when determining the first CRC and the first preset CRC match
Response message receives the electricity when the power electronic equipment determines the first CRC and first preset CRC and mismatches
The reason of monitoring failure that power electronic equipment is sent message, the first CRC is the power electronic equipment according to receiving
What the data frame in the supervisory messages in addition to the described first preset CRC obtained, second frame format includes second preset
CRC, the concrete form of the reason of monitoring failure message are to increase by a frame on the basis of second frame format for table
The data of the reason of sign monitoring failure；
First response message that the power electronic equipment is sent is received, judges that the 2nd CRC is with the described second preset CRC
No matching, wherein the 2nd CRC be according in first response message that receives in addition to the described second preset CRC
Data frame obtain；
If matching, control message is generated according to first response message and is sent to the power electronic equipment to the electricity
Power electronic equipment is controlled.
2. the method according to claim 1, wherein
First frame format includes: the address of the first preset CRC, command code, type of site, task ID, the parameter information
With the number of the parameter information；
Second frame format includes: the length of the second preset CRC, command code, type of site, task ID, the parameter information
With the data content of the parameter information.
3. method according to claim 1 or 2, which is characterized in that
The control message is generated according to third frame format, the third frame format include: the preset CRC of third, command code,
Type of site, task ID, the address of the parameter information and the parameter information data content.
4. method according to claim 1 or 2, which is characterized in that
The parameter information includes any one of following or multinomial: running frequency, setpoint frequency, slope given frequency, output electric current,
Output torque load factor, output voltage, busbar voltage and running speed.
5. according to the method described in claim 3, it is characterized in that, described generate control message according to first response message
And after the control message is sent to the step of power electronic equipment is to control the power electronic equipment,
Further include:
Receive the second response that the power electronic equipment is sent when determining the 3rd CRC and the preset CRC match of the third
Message, wherein the 3rd CRC is that the power electronic equipment is pre- according to the third is removed in the control message received
Set what the data frame except CRC obtained；Or
The control that the power electronic equipment is sent when determining the 3rd CRC and the preset CRC of the third is mismatched is received to lose
The reason of losing message.
6. a kind of monitoring method characterized by comprising
It receives monitoring device and is used for monitoring parameters information according to what the first frame format generated with what the communication mode of UDP/IP was sent
Supervisory messages, wherein first frame format include the first preset CRC；
Judge whether the first CRC matches with the described first preset CRC, if matching, sends to monitoring device according to the second frame format
The first response message generated, so that the monitoring device generates control when determining the 2nd CRC and the second preset CRC match
Message processed sends the original of monitoring failure to the monitoring device if the first CRC and first preset CRC is mismatched
Because of message, wherein the first CRC is according to the number in the supervisory messages received in addition to the described first preset CRC
Obtained according to frame, the 2nd CRC be the monitoring device according in first response message received except described second
What the data frame except preset CRC obtained, second frame format includes the described second preset CRC, the original of the monitoring failure
Because the concrete form of message is the number for increasing a reason of frame is for characterizing monitoring failure on the basis of second frame format
According to；
Receive the control message that the monitoring device is sent.
7. according to the method described in claim 6, it is characterized in that,
First frame format includes: the address of the first preset CRC, command code, type of site, task ID, the parameter information
With the number of the parameter information；
Second frame format includes: the length of the second preset CRC, command code, type of site, task ID, the parameter information
With the data content of the parameter information.
8. method according to claim 6 or 7, which is characterized in that
The control message is that the monitoring device is generated according to third frame format, and the third frame format includes: that third is pre-
Set CRC, command code, type of site, task ID, the address of the parameter information and the parameter information data content.
9. method according to claim 6 or 7, which is characterized in that
The parameter information includes any one of following or multinomial: running frequency, setpoint frequency, slope given frequency, output electric current,
Output torque load factor, output voltage, busbar voltage and running speed.
10. according to the method described in claim 8, it is characterized in that, the control message for receiving the monitoring device and sending
The step of after, further includes:
Judge whether the 3rd CRC matches with the preset CRC of the third, if matching, sends the second response to the monitoring device
Message sends the reason of control fails message to monitoring device if mismatching, wherein the 3rd CRC is that basis receives
The control message in data frame in addition to the preset CRC of the third obtain.
11. a kind of monitoring device characterized by comprising
Monitoring unit, for being used for power electronic equipment transmission according to what the first frame format generated with the communication mode of UDP/IP
Monitoring the supervisory messages of the parameter information of the power electronic equipment, wherein first frame format includes the first preset CRC,
So that the power electronic equipment is sent when determining the first CRC and the first preset CRC match according to the second frame lattice
The first response message that formula generates determines the first CRC and the described first preset CRC in the power electronic equipment and mismatches
When, the reason of monitoring that the power electronic equipment is sent fails message is received, the first CRC is the power electronic equipment
It is obtained according to the data frame in the supervisory messages received in addition to the described first preset CRC, second frame format
Including the second preset CRC, the concrete form of the reason of monitoring failure message is to increase on the basis of second frame format
Add the data for a reason of frame is for characterizing monitoring failure；
First processing units, for receive power electronic equipment transmission first response message, judge the 2nd CRC with it is described
Whether the second preset CRC matches, wherein the 2nd CRC be according in first response message that receives except described the
What the data frame except two preset CRC obtained；
Control unit, for determining the 2nd CRC in the first processing units and when the second preset CRC match, according to
First response message generates control message and is sent to the power electronic equipment to carry out to the power electronic equipment
Control.
12. monitoring device according to claim 11, which is characterized in that further include:
The second processing unit, for receiving power electronic equipment hair when determining the 3rd CRC and the preset CRC match of third
The second response message sent, wherein the 3rd CRC is the power electronic equipment according in the control message received
What the data frame in addition to the preset CRC of the third obtained；Or
The control that the power electronic equipment is sent when determining the 3rd CRC and the preset CRC of the third is mismatched is received to lose
The reason of losing message.
13. a kind of power electronic equipment characterized by comprising
Unit under test, the communication mode with UDP/IP for receiving monitoring device transmission are used for according to what the first frame format generated
The supervisory messages of monitoring parameters information, wherein first frame format includes the first preset CRC；
Third processing unit, if matching, is sent out for judging whether the first CRC matches with the described first preset CRC to monitoring device
The first response message generated according to the second frame format is sent, so that the monitoring device is determining the 2nd CRC and second in advance
Control message is generated when setting CRC match, if the first CRC and first preset CRC is mismatched, to the monitoring device
The reason of sending monitoring failure message, wherein the first CRC be according in the supervisory messages that receive except described first
What the data frame except preset CRC obtained, the 2nd CRC is that the monitoring device disappears according to first response received
What the data frame in breath in addition to the described second preset CRC obtained, second frame format includes the described second preset CRC, institute
State monitoring failure the reason of message concrete form be increase on the basis of second frame format frame for characterize monitoring
The data of the reason of failure；
Controlled cell, the control message sent for receiving the monitoring device.
14. power electronic equipment according to claim 13, which is characterized in that further include:
Fourth processing unit, for judging whether the 3rd CRC matches with the preset CRC of third, if matching, to the monitoring device
The second response message is sent, if mismatching, sends the reason of control fails message to monitoring device, wherein the 3rd CRC
It is to be obtained according to the data frame in the control message received in addition to the preset CRC of the third.
15. a kind of monitoring system characterized by comprising
Monitoring device as described in any one of claim 11-12 and the electric power as described in any one of claim 13-14
Electronic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410827368.5A CN104506386B (en) | 2014-12-25 | 2014-12-25 | A kind of monitoring method, monitoring system and relevant apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410827368.5A CN104506386B (en) | 2014-12-25 | 2014-12-25 | A kind of monitoring method, monitoring system and relevant apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104506386A CN104506386A (en) | 2015-04-08 |
| CN104506386B true CN104506386B (en) | 2019-01-25 |
Family
ID=52948101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410827368.5A Active CN104506386B (en) | 2014-12-25 | 2014-12-25 | A kind of monitoring method, monitoring system and relevant apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104506386B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009582A (en) * | 2006-01-24 | 2007-08-01 | 北京畅通达通信技术有限公司 | Real-time online monitoring method and device based on the 2M data circuit transfer quality |
| KR20070120099A (en) * | 2005-02-24 | 2007-12-21 | 엘지전자 주식회사 | Packet structure and packet transmission method of network control protocol |
| CN101277091A (en) * | 2008-05-15 | 2008-10-01 | 北京合康亿盛科技有限公司 | Apparatus for feedback of sensor signal of high pressure frequency transformer |
-
2014
- 2014-12-25 CN CN201410827368.5A patent/CN104506386B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070120099A (en) * | 2005-02-24 | 2007-12-21 | 엘지전자 주식회사 | Packet structure and packet transmission method of network control protocol |
| CN101009582A (en) * | 2006-01-24 | 2007-08-01 | 北京畅通达通信技术有限公司 | Real-time online monitoring method and device based on the 2M data circuit transfer quality |
| CN101277091A (en) * | 2008-05-15 | 2008-10-01 | 北京合康亿盛科技有限公司 | Apparatus for feedback of sensor signal of high pressure frequency transformer |
Non-Patent Citations (2)
| Title |
|---|
| 基于RFID的药品冷链监控与信息管理系统研究;刘钗;《中国优秀硕士学位论文全文数据库》;20140401;第2-3章 |
| 英威腾变频器CHV190在高炉上料卷扬双料小车中的应用;李青;《变频器世界》;20140715;第2014年卷(第7期);全文 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104506386A (en) | 2015-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109327477A (en) | Authentication method, device and storage medium | |
| CN103647777B (en) | Safety certificate method and bidirectional forwarding detection BFD equipment | |
| CN109361740A (en) | A kind of block generation method, device, equipment and the medium of block chain | |
| CN105744555B (en) | A kind of terminal maintenance method, maintenance device and NM server | |
| CN105791246B (en) | Verification method, the apparatus and system of verification information | |
| CN104883351A (en) | Multiple-factor authentication method and device | |
| CN107546749A (en) | A kind of peace control after direct current locking failure cuts machine measure amount and calculates method and system | |
| CN104731636A (en) | Dispatcher Training Simulating Device And Operation Method Thereof | |
| CN111262746B (en) | Equipment opening deployment system and method | |
| CN108696475A (en) | A kind of distribution power automation terminal automatic registration method and device with safety certification | |
| CN111046411B (en) | Power grid data safe storage method and system | |
| CN103841119A (en) | Method and system for achieving equipment access authentication based on Home-IOT cloud gateway | |
| CN104506386B (en) | A kind of monitoring method, monitoring system and relevant apparatus | |
| CN103685084B (en) | A kind of method generating Frame and device | |
| CN109495499A (en) | Communication protocol bi-directional verification automated test tool and method based on Encryption Algorithm | |
| CN103311584B (en) | Battery unit, terminal equipment and battery verification method | |
| CN106684954B (en) | The method of calibration and equipment and charger of a kind of charge parameter | |
| CN104038931A (en) | LTE (Long Term Evolution) network based power distribution and utilization communication system and communication method thereof | |
| CN106331074A (en) | Authentication switching method | |
| CN105635227A (en) | Point to point communication method and system on the basis of serial server | |
| CN112506540B (en) | Electric energy meter application upgrading method, electric energy meter and system | |
| CN109936609A (en) | Terminal chain type upgrade method, device and updating and management server | |
| CN113268278A (en) | Configuration verification synchronization method and device, electronic device and storage medium | |
| CN103927497B (en) | NDM document protection methods and device | |
| CN110808943B (en) | Client connection emergency management method, client and computer readable storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |