CN103473084A - Software online upgrade method for temperature monitoring device - Google Patents
Software online upgrade method for temperature monitoring device Download PDFInfo
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- CN103473084A CN103473084A CN2013102028736A CN201310202873A CN103473084A CN 103473084 A CN103473084 A CN 103473084A CN 2013102028736 A CN2013102028736 A CN 2013102028736A CN 201310202873 A CN201310202873 A CN 201310202873A CN 103473084 A CN103473084 A CN 103473084A
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Abstract
The invention is applicable to the field of online temperature monitoring of power high-voltage switch cabinets, and provides a software online upgrade method for a temperature monitoring device. The software of the conventional temperature monitoring device can only be upgraded by artificially arriving at the site of a high-voltage switch cabinet, taking the temperature monitoring device out of the secondary chamber of the high-voltage switch cabinet, disassembling the device, writing program and recovering the original state; therefore, the operation is extremely inconvenient, a large amount of manpower and material resources is consumed, and moreover, potential safety hazards are easily caused in the processes of discontinuously disassembling, assembling, powering down and powering on. By the software online upgrade method, the software of the temperature monitoring device which is connected in series with an RS485 bus can be upgraded at one end of the RS485 bus in a monitoring room. The method is easy to operate, time-saving, labor cost-saving, and high in reliability and stability.
Description
Technical field
The present invention relates to power high voltage switch cabinet temperature on-line monitoring field.
Background technology
Modern society is more and more higher to the dependence of electric power, and the area that especially electricity consumption density is high, such as factory, shopping centre, large-scale capital construction etc.Left electricity, people's life will fall into general disorder, so modern power systems is more and more higher to the requirement of the quality of power supply, correspondingly electrical equipment has also been proposed to increasing requirement, the reliability of high-tension switch cabinet is also had higher requirement simultaneously.Along with the development of electrical network and updating of equipment, the high-tension switch cabinet of 10kV and 35kV is used in a large number, and the overheated problem of inside switch cabinet becomes problem common in the switch cubicle use procedure, the switch cubicle heating too much will cause that the switch cubicle job failure even causes serious accident.The over-heat inside problem of switch cubicle is the process [34] of a long-term accumulation, if can find early, adopts an effective measure rapidly, greatly reinforced insulation performance the prolongation of equipment life is very helpful.
Now, the inner switch cubicle used of electric power, must strictly observe the purchasing procedure technical indicator of equipment, guarantee that the switch cubicle networked is by type approval test, it is general that in operational process, electric load can be over the design capacity of switch cubicle, the temperature rise situation of switch cubicle can be too not outstanding yet, but be not so in actual applications entirely yet, and current trolley type switch cabinet easily causes the excessive problem of contact resistance and causes the switch cubicle heating manufacturing, transport and install the reason such as bad because of switch cubicle.
The narrow space of high-tension switch cabinet, and once indoor exposed high pressure arranged, there is very strong electromagnetic interference (EMI), traditional temp measuring method all can not be realized the high-tension switch cabinet thermometric.The passive and wireless temperature monitoring system is that temperature sensor is installed on the live contact in switch cubicle, the female board temperature of real-time online measuring, overtemperature alarm.
Device for detecting temperature is a very important part in the passive and wireless temperature monitoring system, existing device for detecting temperature software upgrading can only be by the artificial high-tension switch cabinet scene that arrives, take out device for detecting temperature from high-tension switch cabinet secondary chamber, after the stripping assembly write-in program, restore to the original state again, a device for detecting temperature is installed in a high-tension switch cabinet, in a general transformer station, more than 30 high-tension switch cabinet arranged, the software upgrading that completes all device for detecting temperature will expend a large amount of time and manpower, and constantly in dismounting and power down power up, easily producing potential safety hazard.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of on-line software updating method of device for detecting temperature, can realize that at the RS485 of Control Room bus one end the device for detecting temperature to being serially connected on bus carries out software upgrading, remove lower power on to the on-the-spot dismounting terminal of high-tension switch cabinet, power down loaded down with trivial details from, got rid of various unsafe factors simultaneously.
For the deficiencies in the prior art, the present invention proposes following technical scheme and solves, and comprises the steps: a kind of on-line software updating method of device for detecting temperature, and it comprises the following steps:
Step 1), the ARM of device for detecting temperature is carried to Flash be divided into bootloader program area, application area, backup application district and liquid crystal character library district;
Step 2), the device for detecting temperature software systems start, and carry out the bootloader program, if receive upgrade in the time window of 5s, jump to step 3), otherwise jump to step 4);
Step 3), by the Xmodem file transfer protocol (FTP), receive file, if receive the upgrade applications instruction, write the Flash application area, put the application area zone bit, copy to the backup application district simultaneously, part application area zone bit of purchasing, the device for detecting temperature soft reboot, jump to step 2); If receive the instruction of upgrading liquid crystal character library, write Flash liquid crystal character library district, the device for detecting temperature soft reboot, jump to step 2);
The zone bit in step 4), inspection application area and backup application district, if consistent and effective, jump to step 5), if inconsistent and have the zone bit in a zone effective, the zone invalid to zone bit by the data Replica of zone bit effective coverage, if all invalid, jump to step 2);
Whether step 5), inspection application area are empty, empty if, jump to step 2), otherwise executive utility, in the application program implementation, if receive instruction of restarting, the device for detecting temperature soft reboot, jump to step 2), otherwise application program continues to carry out.
According to technique scheme, can find out, advantage of the present invention is as follows:
Simple to operate: as can to realize that at the RS485 of Control Room bus one end all device for detecting temperature to being serially connected on bus carry out software upgrading, remove lower power on to the on-the-spot dismounting terminal of high-tension switch cabinet, power down loaded down with trivial details from, weaken various unsafe factors simultaneously;
High-level efficiency: the general hundreds of K of liquid crystal character library, by the RS485 serial ports, the liquid crystal character library is upgraded and need to be expended a large amount of time, and in fact the liquid crystal character library is very stable, generally need not upgrade, therefore application program and liquid crystal character library are upgraded respectively, both shorten update time, do not affected again application program calling the liquid crystal character library;
High reliability: utilize Xmodem file transfer protocol (FTP) transfer files, this agreement has good overtime retransmission mechanism and checking feature, guarantees success ratio and the accuracy of file transfer;
High stability: zone bit is put respectively in application area and backup application district, and detect these two zone bits before the application program execution, once guarantee that device for detecting temperature writes application program one time, device for detecting temperature can be carried out up-to-date application program at any time.
The accompanying drawing explanation
The ARM of Fig. 1 device for detecting temperature carries the Flash block plan;
The on-line software updating process flow diagram of Fig. 2 device for detecting temperature.
Embodiment
For the present invention is easier to understand, now be described in detail by reference to the accompanying drawings.
In Fig. 1, the ARM of device for detecting temperature carries Flash and is divided into bootloader program area (101), application area (102), backup application district (103) and (104) four, liquid crystal character library district part.
Fig. 2 shows the workflow of the on-line software updating of device for detecting temperature:
In step 201, the software systems of device for detecting temperature start, and carry out the bootloader program, if receive upgrade in the time window of 5s, jump to step 3, otherwise jump to step 4;
In step 202, receive file by the Xmodem file transfer protocol (FTP), if receive the upgrade applications instruction, write the Flash application area, put the application area zone bit, copy to the backup application district simultaneously, part application area zone bit of purchasing, the device for detecting temperature soft reboot, jump to step 2; If receive the instruction of upgrading liquid crystal character library, write Flash liquid crystal character library district.The device for detecting temperature soft reboot, jump to step 2;
In step 203, check the zone bit in application area and backup application district, if consistent and effective, jump to step 5, if inconsistent and have the zone bit in a zone effective, the zone invalid to zone bit by the data Replica of zone bit effective coverage, if all invalid, jump to step 2;
In step 204, check whether application area is empty, empty if, jump to step 2, otherwise executive utility, in the application program implementation, if receive instruction of restarting, the device for detecting temperature soft reboot, jump to step 2, otherwise application program continues to carry out.
Claims (1)
1. the on-line software updating method of a device for detecting temperature, is characterized in that, the method comprises the following steps:
Step 1), the ARM of device for detecting temperature is carried to Flash be divided into bootloader program area, application area, backup application district and liquid crystal character library district;
Step 2), the device for detecting temperature software systems start, and carry out the bootloader program, if receive upgrade in the time window of 5s, jump to step 3), otherwise jump to step 4);
Step 3), by the Xmodem file transfer protocol (FTP), receive file, if receive the upgrade applications instruction, write the Flash application area, put the application area zone bit, copy to the backup application district simultaneously, part application area zone bit of purchasing, the device for detecting temperature soft reboot, jump to step 2); If receive the instruction of upgrading liquid crystal character library, write Flash liquid crystal character library district, the device for detecting temperature soft reboot, jump to step 2);
The zone bit in step 4), inspection application area and backup application district, if consistent and effective, jump to step 5), if inconsistent and have the zone bit in a zone effective, the zone invalid to zone bit by the data Replica of zone bit effective coverage, if all invalid, jump to step 2);
Whether step 5), inspection application area are empty, empty if, jump to step 2), otherwise executive utility, in the application program implementation, if receive instruction of restarting, the device for detecting temperature soft reboot, jump to step 2), otherwise application program continues to carry out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310202873.6A CN103473084B (en) | 2013-05-27 | 2013-05-27 | A kind of on-line software updating method of device for detecting temperature |
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| CN201310202873.6A CN103473084B (en) | 2013-05-27 | 2013-05-27 | A kind of on-line software updating method of device for detecting temperature |
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| CN103473084A true CN103473084A (en) | 2013-12-25 |
| CN103473084B CN103473084B (en) | 2018-01-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104102203A (en) * | 2014-07-08 | 2014-10-15 | 人民电器集团上海有限公司 | Beidou satellite-based high-voltage switch cabinet remote monitoring method |
| CN109614126A (en) * | 2018-10-23 | 2019-04-12 | 北京全路通信信号研究设计院集团有限公司 | A kind of online programme upgrade method of embedded system and device |
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| CN101216772A (en) * | 2008-01-15 | 2008-07-09 | 中兴通讯股份有限公司 | Embedded equipment startup method and software upgrading method |
| US20120079474A1 (en) * | 2010-09-24 | 2012-03-29 | Stephen Gold | Reimaging a multi-node storage system |
| CN103019788A (en) * | 2012-12-14 | 2013-04-03 | 上海邮政科学研究院 | Remote online upgrading method based on CAN (Controller Area Network) bus |
| CN103116502A (en) * | 2011-11-17 | 2013-05-22 | 国家纳米技术与工程研究院 | Method of achieving upgrading by using main and backup version backup |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1955925A (en) * | 2005-10-28 | 2007-05-02 | 深圳Tcl新技术有限公司 | TV system software updating method with power-off protection |
| CN101216772A (en) * | 2008-01-15 | 2008-07-09 | 中兴通讯股份有限公司 | Embedded equipment startup method and software upgrading method |
| US20120079474A1 (en) * | 2010-09-24 | 2012-03-29 | Stephen Gold | Reimaging a multi-node storage system |
| CN103116502A (en) * | 2011-11-17 | 2013-05-22 | 国家纳米技术与工程研究院 | Method of achieving upgrading by using main and backup version backup |
| CN103019788A (en) * | 2012-12-14 | 2013-04-03 | 上海邮政科学研究院 | Remote online upgrading method based on CAN (Controller Area Network) bus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104102203A (en) * | 2014-07-08 | 2014-10-15 | 人民电器集团上海有限公司 | Beidou satellite-based high-voltage switch cabinet remote monitoring method |
| CN109614126A (en) * | 2018-10-23 | 2019-04-12 | 北京全路通信信号研究设计院集团有限公司 | A kind of online programme upgrade method of embedded system and device |
| CN109614126B (en) * | 2018-10-23 | 2022-07-01 | 北京全路通信信号研究设计院集团有限公司 | Embedded system online program upgrading method and device |
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| CN103473084B (en) | 2018-01-19 |
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Address after: 516001 Huizhou Avenue, Huizhou District, Huizhou, Guangdong Province, No. 19 Applicant after: HUIZHOU POWER SUPPLY BUREAU, GUANGDONG POWER GRID CO., LTD. Applicant after: Wuhan FiberHome Electric Co., Ltd. Address before: 516001 Huizhou Avenue, Huizhou District, Huizhou, Guangdong Province, No. 19 Applicant before: Huizhou Power Supply Bureau of Guangzhou Power Grid Company Applicant before: Wuhan FiberHome Electric Co., Ltd. |
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