CN103888509A - Voltage monitor remote upgrade system and method - Google Patents
Voltage monitor remote upgrade system and method Download PDFInfo
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- CN103888509A CN103888509A CN201310750891.8A CN201310750891A CN103888509A CN 103888509 A CN103888509 A CN 103888509A CN 201310750891 A CN201310750891 A CN 201310750891A CN 103888509 A CN103888509 A CN 103888509A
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Abstract
The invention discloses a voltage monitor remote upgrade system and method. The system comprises a server and an instrument terminal. The server comprises a computer, a first GPRS module and an encryption terminal. The instrument terminal comprises an instrument main chip, a second GPRS module, an encryption chip, a UPS power supply and a Flush chip. The computer is connected and communicated with the first GPRS module. The computer is connected and communicated with the encryption terminal. The second GPRS module, the encryption chip, the UPS power supply and the Flush chip are respectively connected with the instrument main chip. The second GPRS module, the encryption chip and the Flush chip are respectively connected with the UPS power supply. The first GPRS module is communicated and connected with the second GPRS module. Problems that an instrument is remote and dispersed in installation, and onsite program updating is inconvenient are solved by the voltage monitor remote upgrade system and method. Besides, a breakpoint continuous transmission mode is adopted so that the problem of integrity in file transmission is solved.
Description
Technical field
The present invention relates to a kind of voltage monitoring instrument, relate in particular to a kind of remote update system and method for voltage monitoring instrument, belong to intelligent instrument equipment technical field.
Background technology
Voltage monitoring analyzer is the smart instrumentation that monitoring and statistics and analysis are carried out in voltage operation conditions to electrical network and harmonic distortion, is installed in a large number in power network line, and the place that voltage monitoring instrument is installed disperses, and One's name is legion, environment are different.Along with the development of electronic technology, computer technology and the communication technology, performance and the function of client to instrument proposed more and more higher requirement.For the product of selling installation, if manufacturer has developed new function, or due to the complexity of program, the implication problem that exists some to impact normal operation.The place of installing due to aforesaid voltage monitoring instrument disperses, and One's name is legion, the different situation of environment, if take the method for field upgrade can cause the waste of human and material resources to a large amount of instrument.And the main impact due to instrument installation site, field upgrade may affect electrical network and normally move, or because instrument is positioned in abnormal environment, field upgrade cannot be realized.Therefore, develop a kind of remote update system and method for voltage monitoring instrument, there is very important production practical significance.
Summary of the invention
The object of the present invention is to provide a kind of voltage monitoring instrument remote update system and method, realize the remote upgrade of voltage monitoring instrument.
Object of the present invention is achieved by the following technical programs:
A kind of voltage monitoring instrument remote update system, comprise server 1, instrument terminal 2, described server 1 comprises computer 3, a GRPS module 4, encrypts terminal 5, and described instrument terminal 2 comprises instrument master chip 6, the 2nd GPRS module 7, encryption chip 8, ups power 9, Flush chip 10; Described computer 3 and GPRS module 4 connecting communications, computer 3 and encryption terminal 5 connecting communications, described the 2nd GPRS module 7, encryption chip 8, ups power 9, Flush chip 10 are connected with instrument master chip 6 respectively, described the 2nd GPRS module 7, encryption chip 8, Flush chip 10 are connected with ups power 9 respectively, and a described GRPS module 4 is connected with the 2nd GPRS module 7 communications.
A kind of voltage monitoring instrument remote upgrade method, comprising:
Server 1 uses GPRS module to carry out communication with instrument terminal 2, agreement according to regulation is carried out data exchange, this communications protocol comprises unique coding of start of message (SOM) position, instrument terminal 2, current message function, message parameter, message CRC check mark, ENMES position, and described CRC check flag bit is the result of whole message parameter being carried out to CRC check;
Server 1 is preserved the instrument source program of upgrading in register with the form of .hex file, and the content in register is carried out to MD5 verification, and the result after verification is preserved into register;
The byte number that each message sends is set, the byte number sending divided by each message with upgrading source program total bytes, the total number that obtains required transmission message is AKU number, and AKU number and instrument terminal 2 unique codes are matched and preserved into database;
After starting to upgrade, server 1 sends upgrading beginning message, and the parameter of this message comprises the total number of upgrading message, MD5 check code;
Server 1 receives that upgrading starts after confirmation message, starts to send upgrading message, and the parameter of this upgrading message comprises every bag source program content, current upgrading Bale No.;
If different, reply message error message to server 1, server 1 resends message; If 3 times send all mistakes, server 1 notifies instrument terminal 2 to upgrade unsuccessfully, the server 1 instrument terminal 2 of again upgrading;
If identical, the source program of receiving is write Flush chip 10 by instrument terminal 2, and send confirmation message announcement server 1 next AKU of transmission;
After AKU is sent completely, server 1 sends the message of having upgraded;
If MD5 check code is different, to reply server 1 and upgrade unsuccessfully, server 1 is upgraded to instrument terminal 2 again;
If MD5 check code is identical, reply server 1 and upgraded, the content of Flush chip 10 is write to the main program part of the master chip 6 of instrument terminal 2 simultaneously, and autoboot instrument terminal 2, replacement Flush chip 10 data are 0xFF;
Server 1 is received and has been upgraded after message, and source program version number and the upgrade status of this instrument terminal 2 in database are upgraded.
Object of the present invention can also further realize by following technical measures:
Aforesaid voltage monitor remote upgrade method, time disconnects extremely in upgrading, and instrument terminal 2 reconnects that to carry out the step of breakpoint transmission as follows:
Server 1 is received after version information message, and effective word joint number in the Flush chip 10 in message, divided by the every packet byte number of AKU arranging, is obtained to the AKU number that instrument terminal 2 has received, and the unreceived AKU number of calculating instrument meter terminal 2;
Server 1 sends upgrading and starts message, and this message argument section comprises: the total number of the unreceived AKU of instrument terminal 2, MD5 check code;
Server 1 receives that upgrading starts after confirmation message, starts to send upgrading message, and the parameter of this upgrading message comprises every bag source program content, current upgrading Bale No.;
If different, reply message error message to server 1, server 1 resends message; If 3 times send all mistakes, server 1 notifies instrument terminal 2 to upgrade unsuccessfully, the server 1 instrument terminal 2 of again upgrading;
If identical, the source program of receiving is write Flush chip 10 by instrument terminal 2, and send confirmation message announcement server 1 next AKU of transmission;
After AKU is sent completely, server 1 sends the message of having upgraded;
If MD5 check code is different, to reply server 1 and upgrade unsuccessfully, server 1 is upgraded to instrument terminal 2 again;
If MD5 check code is identical, reply server 1 and upgraded, the content of Flush chip 10 is write to the main program part of the master chip 6 of instrument terminal 2 simultaneously, and autoboot instrument terminal 2, replacement Flush chip 10 data are 0xFF;
Server 1 is received and has been upgraded after message, and source program version number and the upgrade status of this instrument terminal 2 in database are upgraded.
Compared with prior art, the invention has the beneficial effects as follows: solved instrument installation site remote, disperse, the technical problem of inconvenient on-the-spot refresh routine; The present invention adopts encryption chip to encrypt the safety issue having solved in upgrade file transmitting procedure; For in escalation process because upgrading appears extremely interrupting in instrument or network, causing upgrade unsuccessfully affects the problem of the efficiency of upgrading, the present invention adopts breaker point continuous transmission method to solve the integrity issue in file delivery procedure.
Accompanying drawing explanation
Fig. 1 is system circuit diagram of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1; voltage monitoring instrument remote update system of the present invention; comprise server 1, instrument terminal 2; described server 1 comprises computer 3, a GRPS module 4, encrypts terminal 5, and described instrument terminal 2 comprises instrument master chip 6, the 2nd GPRS module 7, encryption chip 8, ups power 9, Flush chip 10; Described computer 3 and GPRS module 4 connecting communications, computer 3 and the attached connecting communication of encryption terminal, described the 2nd GPRS module 7, encryption chip 8, ups power 9, Flush chip 10 are connected with instrument master chip 6 respectively, described the 2nd GPRS module 7, encryption chip 8, Flush chip 10 are connected with ups power 9 respectively, and a described GRPS module 4 is connected with the 2nd GPRS module 7 communications.Described encryption terminal 5, encryption chip 8 are for encryption, the deciphering of message, and ups power 9 is for providing uninterrupted power supply.
Voltage monitoring instrument remote upgrade method of the present invention, comprising:
Server 1 uses GPRS module to carry out communication with instrument terminal 2; agreement according to regulation is carried out data exchange; this communications protocol comprises unique coding of start of message (SOM) position, instrument terminal 2, current message function, message parameter, message CRC check mark, ENMES position, and described CRC check flag bit is the result of whole message parameter being carried out to CRC check;
By instrument terminal 2 input information server 1 software programs, server 1 software program is preserved instrument terminal 2 information in database, and wherein instrument terminal 2 information can comprise: the unique coding of instrument terminal 2, instrument terminal current versions No. 2;
Server 1 is preserved the instrument source program of upgrading in register with the form of .hex file, and the content in register is carried out to MD5 verification, and the result after verification is preserved into register;
The byte number that each message sends is set, the byte number sending divided by each message with upgrading source program total bytes, the total number that obtains required transmission message is AKU number, and AKU number and instrument terminal 2 unique codes are matched and preserved into database;
The byte number of above-mentioned setting is the multiple of 128 bytes and to be less than 800 bytes most suitable;
After starting to upgrade, server 1 sends upgrading beginning message, and the parameter of this message comprises the total number of upgrading message, MD5 check code;
Server 1 receives that upgrading starts after confirmation message, starts to send upgrading message, and the parameter of this upgrading message comprises every bag source program content, current upgrading Bale No.;
If different, reply message error message to server 1, server 1 resends message; If 3 times send all mistakes, server 1 notifies instrument terminal 2 to upgrade unsuccessfully, the server 1 instrument terminal 2 of again upgrading;
If identical, the source program of receiving is write Flush chip 10 by instrument terminal 2, and send confirmation message announcement server 1 next AKU of transmission;
After AKU is sent completely, server 1 sends the message of having upgraded;
If MD5 check code is different, to reply server 1 and upgrade unsuccessfully, server 1 is upgraded to instrument terminal 2 again;
If MD5 check code is identical, reply server 1 and upgraded, the content of Flush chip 10 is write to the main program part of the master chip 6 of instrument terminal 2 simultaneously, and autoboot instrument terminal 2, replacement Flush chip 10 data are 0xFF;
Server 1 is received and has been upgraded after message, and source program version number and the upgrade status of this instrument terminal 2 in database are upgraded.
If upgrade-system communication abnormality disconnects in escalation process, instrument terminal 2 reconnects and carries out breakpoint transmission, and breaker point continuous transmission method is as follows:
After GPRS module in instrument terminal 2 and the GPRS module in server 1 are set up network and are connected, the version number that instrument terminal 2 softwares read current working procedure from instrument terminal 2 main programs, this version number writes in instrument terminal 2 chips with source program, can be by the inquiry of register in program is obtained;
Server 1 is received after version information message, and effective word joint number in the Flush chip 10 in message, divided by the every packet byte number of AKU arranging, is obtained to the AKU number that instrument terminal 2 has received, and the unreceived AKU number of calculating instrument meter terminal 2;
Server 1 sends upgrading and starts message, and this message argument section comprises; The total number of the unreceived AKU of instrument terminal 2, MD5 check code;
Server 1 receives that upgrading starts after confirmation message, starts to send upgrading message, and the parameter of this upgrading message comprises every bag source program content, current upgrading Bale No.;
If different, reply message error message to server 1, server 1 resends message; If 3 times send all mistakes, server 1 notifies instrument terminal 2 to upgrade unsuccessfully, the server 1 instrument terminal 2 of again upgrading;
If identical, the source program of receiving is write Flush chip 10 by instrument terminal 2, and send confirmation message announcement server 1 next AKU of transmission;
After AKU is sent completely, server 1 sends the message of having upgraded;
If MD5 check code is different, to reply server 1 and upgrade unsuccessfully, server 1 is upgraded to instrument terminal 2 again;
If MD5 check code is identical, reply server 1 and upgraded, the content of Flush chip 10 is write to the main program part of the master chip 6 of instrument terminal 2 simultaneously, and autoboot instrument terminal 2, replacement Flush chip 10 data are 0xFF;
Server 1 is received and has been upgraded after message, and source program version number and the upgrade status of this instrument terminal 2 in database are upgraded.
The present invention adopts breaker point continuous transmission method to solve the Network Abnormal unsuccessfully problem of impact upgrading efficiency that causes upgrading, and has guaranteed the integrity issue in file delivery procedure.
In addition to the implementation, the present invention can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of requirement of the present invention.
Claims (3)
1. a voltage monitoring instrument remote update system, it is characterized in that, comprise server (1), instrument terminal (2), described server (1) comprises computer (3), a GRPS module (4), encrypts terminal (5), and described instrument terminal (2) comprises instrument master chip (6), the 2nd GPRS module (7), encryption chip (8), ups power (9), Flush chip (10); Described computer (3) and GPRS module (4) connecting communication, computer (3) and encryption terminal (5) connecting communication, described the 2nd GPRS module (7), encryption chip (8), ups power (9), Flush chip (10) are connected with instrument master chip (6) respectively, described the 2nd GPRS module (7), encryption chip (8), Flush chip (10) are connected with ups power (9) respectively, and a described GRPS module (4) is connected with the 2nd GPRS module (7) communication.
2. a upgrade method for voltage monitoring instrument remote update system as claimed in claim 1, is characterized in that, the method comprises the following step:
Server (1) uses GPRS module to carry out communication with instrument terminal (2), agreement according to regulation is carried out data exchange, this communications protocol comprises unique coding of start of message (SOM) position, instrument terminal (2), current message function, message parameter, message CRC check mark, ENMES position, and described CRC check flag bit is the result of whole message parameter being carried out to CRC check;
Server (1) is preserved the instrument source program of upgrading in register with the form of .hex file, and the content in register is carried out to MD5 verification, and the result after verification is preserved into register;
The byte number that each message sends is set, the byte number sending divided by each message with upgrading source program total bytes, the total number that obtains required transmission message is AKU number, and AKU number and instrument terminal (2) unique code are matched and preserved into database;
Server after starting to upgrade (1) sends upgrading and starts message, and the parameter of this message comprises the total number of upgrading message, MD5 check code;
Instrument terminal (2) is received and is started the message of upgrading, and total upgrading message number and MD5 check code is preserved, and send the confirmation message that can start upgrading;
Server (1) receives that upgrading starts after confirmation message, starts to send upgrading message, and the parameter of this upgrading message comprises every bag source program content, current upgrading Bale No.;
Instrument terminal (2) is received upgrading message, and whole message parameter is carried out to CRC check, compares with the CRC of the message of receiving;
If different, reply message error message to server (1), server (1) resends message; If 3 times send all mistakes, server (1) notice instrument terminal (2) is upgraded unsuccessfully, server (1) the instrument terminal (2) of again upgrading;
If identical, the source program of receiving is write Flush chip (10) by instrument terminal (2), and send confirmation message announcement server (1) and send next AKU;
After AKU is sent completely, server (1) sends the message of having upgraded;
Instrument terminal (2) is received and has been upgraded after message, the data in Flush chip (10) are all read, and carry out MD5 verification, and with upgrading start time server (1) hold the MD5 check code issuing to compare;
If MD5 check code is different, to reply server (1) and upgrade unsuccessfully, server (1) is upgraded to instrument terminal (2) again;
If MD5 check code is identical, replying server (1) has upgraded, the content of Flush chip (10) is write to the main program part of the master chip (6) of instrument terminal (2) simultaneously, and autoboot instrument terminal (2), replacement Flush chip (10) data are 0xFF;
Server (1) is received and has been upgraded after message, and source program version number and the upgrade status of this instrument terminal (2) in database are upgraded.
3. the upgrade method of voltage monitoring instrument remote update system as claimed in claim 2, is characterized in that, time extremely disconnects in upgrading, and instrument terminal (2) reconnects that to carry out the step of breakpoint transmission as follows:
Instrument terminal (2) reads whole data from deposit the Flush chip (10) of ROMPaq, and start from last data that traversal reads, in the time that the present bit data of traversal are not 0xFF, calculate from first byte number starting to this bit data of data;
Instrument terminal (2) sends version information message, and this message parameter comprises effective word joint number in current version number, Flush chip (10);
Server (1) is received after version information message, the every packet byte number of AKU by effective word joint number in the Flush chip (10) in message divided by setting, obtain the AKU number that instrument terminal (2) has received, and the unreceived AKU number of calculating instrument meter terminal (2);
Server (1) sends upgrading and starts message, and this message argument section comprises: the total number of the unreceived AKU of instrument terminal (2), MD5 check code;
Instrument terminal (2) is received and is started the message of upgrading, and total upgrading message number and MD5 check code is preserved, and send the confirmation message that can start upgrading;
Server (1) receives that upgrading starts after confirmation message, starts to send upgrading message, and the parameter of this upgrading message comprises every bag source program content, current upgrading Bale No.;
Instrument terminal (2) is received upgrading message, and whole message parameter is carried out to CRC check, compares with the CRC of the message of receiving;
If different, reply message error message to server (1), server (1) resends message; If 3 times send all mistakes, server (1) notice instrument terminal (2) is upgraded unsuccessfully, server (1) the instrument terminal (2) of again upgrading;
If identical, the source program of receiving is write Flush chip (10) by instrument terminal (2), and send confirmation message announcement server (1) and send next AKU;
After AKU is sent completely, server (1) sends the message of having upgraded;
Instrument terminal (2) is received and has been upgraded after message, the data in Flush chip (10) are all read, and carry out MD5 verification, and with upgrading start time server (1) hold the MD5 check code issuing to compare;
If MD5 check code is different, to reply server (1) and upgrade unsuccessfully, server (1) is upgraded to instrument terminal (2) again;
If MD5 check code is identical, replying server (1) has upgraded, the content of Flush chip (10) is write to the main program part of the master chip (6) of instrument terminal (2) simultaneously, and autoboot instrument terminal (2), replacement Flush chip (10) data are 0xFF;
Server (1) is received and has been upgraded after message, and source program version number and the upgrade status of this instrument terminal (2) in database are upgraded.
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| CN201310750891.8A CN103888509A (en) | 2013-12-31 | 2013-12-31 | Voltage monitor remote upgrade system and method |
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| CN201310750891.8A CN103888509A (en) | 2013-12-31 | 2013-12-31 | Voltage monitor remote upgrade system and method |
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| CN107800786A (en) * | 2017-10-20 | 2018-03-13 | 南京晓庄学院 | A kind of intelligent terminal remote upgrade breakpoint transmission method |
| CN108471456A (en) * | 2018-06-26 | 2018-08-31 | 北京长城华冠汽车技术开发有限公司 | Vehicle mounted communication module upgrade-system and upgrade method |
| CN108632324A (en) * | 2017-03-24 | 2018-10-09 | 深圳市帝迈生物技术有限公司 | The multiple instruments of blood cell analyzer synchronize upgrade method, system and IPU terminals |
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