CN104280071A - Fault alarming device and fault detecting method for oil-immersed power transformers - Google Patents
Fault alarming device and fault detecting method for oil-immersed power transformers Download PDFInfo
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- CN104280071A CN104280071A CN201410549897.3A CN201410549897A CN104280071A CN 104280071 A CN104280071 A CN 104280071A CN 201410549897 A CN201410549897 A CN 201410549897A CN 104280071 A CN104280071 A CN 104280071A
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- immersed power
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Abstract
A fault alarming device for oil-immersed power transformers comprises a database server, alarming terminals, an application server and handheld terminals. The position information and the maintenance records of all the power transformers are stored in the database server and are convenient to call and store. The alarming terminals arranged at the ends of the oil-immersed power transformers can monitor the fault information of the power transformers in real time, and transmit the fault information back to the application server of a master control chamber in the first time through a wireless network. After the application server receives the fault information of the alarming terminals, the position information of the power transformers with faults is inquired and transmitted to the assigned handheld terminals, and technicians holding the handheld terminals can master the fault happening positions in the first time. After the handheld terminals are maintained, the maintenance records can be accurately submitted to the application server of the master control chamber in time by scanning two-dimensional code information.
Description
Technical field
The present invention relates to a kind of fault detection method of feeder line fault warning device.Relate in particular to a kind of fault detection method of oil-immersed power transformer accident warning device.
Background technology
Power supply grid, due to complicacy, the fault of electrical network itself, the uncertainty of use of load, causes the undulatory property of electrical network very large.The fluctuation of electrical network not only causes the power quality of user influenced, also easily causes the device damage of electrical network itself.Oil-immersed power transformer is as one of visual plant in industrial and mining enterprises and covil construction power supply-distribution system, and 10 (6) kV or 35kV network voltages are down to the 230/400V busbar voltage that user uses by it.
In prior art, when oil-immersed power transformer run into fault cause stopping power supply time, usually by the position at manual report's fault power transformer place.In the very first time, management platform cannot accurately know that the delay of emergency repair time is caused in position that fault occurs.After technician's maintenance, manually need carry out arrangement and the submission of maintenance report, that causes maintenance report to submit to is delayed, and submits to flow process comparatively loaded down with trivial details.
Summary of the invention
For this reason, first technical matters to be solved by this invention is that the position by manually reporting the power transformer determining to break down for repairment has hysteresis quality, thus proposes a kind of oil-immersed power transformer accident warning device that fault power transformer position and speed is fast of determining.
Second technical matters to be solved by this invention manually submits maintenance record to after being keeped in repair by technician in prior art, submission flow process is loaded down with trivial details, repair message cannot be fed back in time, thus provide a kind of and submit to maintenance record convenient and oil-immersed power transformer accident warning device rapidly.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of oil-immersed power transformer accident warning device, comprising: database server, alarm terminal, application server and handheld terminal, wherein,
Described database server, stores oil-immersed power transformer positional information and the Position Number information corresponding with this positional information and this oil-immersed power transformer service record information;
Described alarm terminal, be arranged in oil-immersed power transformer, when oil-immersed power transformer abnormal state being detected, send failure message and Position Number information by wireless network to application server, and be provided with the Quick Response Code recording this oil-immersed power transformer position and the Quick Response Code recording the corresponding failure message of this oil-immersed power transformer on the surface at described alarm terminal;
Described application server, receive the next failure message of described alarm terminal transmission and Position Number information, and by Position Number Query Database server, identify positional information and the service record information of oil-immersed power transformer, and described failure message and positional information and service record information are sent to by wireless network on the handheld terminal of specifying, receive repair message that handheld terminal sends and also transfer to described database server and store;
Handheld terminal, for receiving positional information and the service record information of the transmission of described application server, and show, the Quick Response Code of this oil-immersed power transformer position is recorded in scanning, and the data read out are sent to described application server, scanning records the Quick Response Code of corresponding failure message, and by the fault data that reads out by wireless network transmissions to described application server.
Described handheld terminal comprises:
Flip flop equipment, adopt button trigger the activation handheld terminal scanning Quick Response Code;
Laser-targeting device, adopts column type laser;
Wireless module, described wireless module supports GSM and WCDMA network, receives the data that described application server sends, and the data that sending module transmits are sent to described application server;
Display screen, described display screen adopts color liquid crystal LCD, shows the data that described application server sends, and the data message that reading scan Quick Response Code reads;
Two dimension code reading module, comprises further:
Camera lens, for catching image in 2 D code;
CMOS plate, the image for being caught by camera lens is converted into digital signal and exports;
Output regulation circuit, the digital image signal generated by CMOS plate carries out cutting by the size frame size by setting and exports;
Decoding processing circuit, stores Quick Response Code decoding algorithm, by the image in 2 D code decoding data that output regulation circuit exports;
Sending module, the two-dimensional code data of being decoded by described decoding processing circuit is sent to described application server by described wireless module.
Described alarm terminal is provided with temperature sensor at the mailbox top of described oil-immersed power transformer.
Described alarm terminal is also provided with smoke transducer in described oil-immersed power transformer upper end.
The failure message that described alarm terminal sends comprises:
Temperature is too high;
Smog alarm;
Output voltage is abnormal.
A fault detection method for oil-immersed power transformer accident warning device, comprises the following steps:
S1: store oil-immersed power transformer positional information and this oil-immersed power transformer service record information;
S2: when oil-immersed power transformer abnormal state being detected, sends failure message and Position Number information by wireless network to application server;
S3: receive the next failure message of transmission and Position Number information, and the oil-immersed power transformer positional information broken down is inquired about by Position Number, identify positional information and the service record information of oil-immersed power transformer, and described failure message and positional information and service record information are sent to the handheld terminal of specifying by wireless network;
S4: handheld terminal receives positional information and the service record information of the transmission of described application server, and show, the Quick Response Code of this oil-immersed power transformer position is recorded in scanning, and the data read out are sent to described application server, scanning records the Quick Response Code of corresponding failure message, and by the fault data that reads out by wireless network transmissions to described application server.
Also comprise in step S4:
The handheld terminal that triggers the activation scanning Quick Response Code;
Circular aiming light source is presented at body surface;
Catch image in 2 D code;
The image of being caught by camera lens is converted into digital signal and exports;
The digital map signal of generation is carried out cutting according to by the size frame size by setting and exports;
Store Quick Response Code decoding algorithm, by the image in 2 D code decoding data that output regulation circuit exports;
The two-dimensional code data of decoding is sent by wireless module.
Described failure message comprises:
Temperature is too high;
Smog alarm;
Output voltage is abnormal.
Technique scheme of the present invention has the following advantages compared to existing technology:
1. an oil-immersed power transformer accident warning device, database server stores positional information and the maintenance record of each power transformer, conveniently transfers and stores.The alarm terminal being arranged on oil immersed type voltage device end can real-time monitor the failure message of power transformer, and is passed back in the application server of master-control room by the wireless network very first time.The positional information of the power transformer broken down inquired about by application server after receiving the failure message of alarm terminal, and information is sent on the handheld terminal of specifying, and the technician holding handheld terminal can grasp fault the very first time and position occurs.Handheld terminal after maintenance, can submit maintenance record to by the scanning 2 D code information application server to master-control room promptly and accurately.
2. the handheld terminal of oil-immersed power transformer accident warning device described in, can carry out cutting by the view data that camera lens obtains, decrease the storage space shared by view data, accelerate recognition decode rate.Laser-targeting device can form cylindrical sight picture on the Quick Response Code surface that need scan, and facilitates technician to aim at, distinguishes.
3. the alarm terminal of the handheld terminal of oil-immersed power transformer accident warning device described in is provided with temperature and smoke transducer can abnormal and on fire and output voltage these the three kinds of unusual conditions abnormal of detected temperatures.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structured flowchart of a kind of oil-immersed power transformer accident warning device of one embodiment of the invention;
Fig. 2 is the structural representation of the handheld terminal of a kind of oil-immersed power transformer accident warning device of one embodiment of the invention;
Fig. 3 is the structural representation of the two dimension code reading module of handheld terminal of the present invention;
Fig. 4 is the process flow diagram of a kind of oil-immersed power transformer accident warning device fault detection method of one embodiment of the invention.
In figure, Reference numeral is expressed as: 1-database server; 2-alarm terminal; 3-application server; 4-handheld terminal; 41-flip flop equipment; 42-laser-targeting device; 43-wireless module; 44-display screen; 45-two dimension code reading module; 451-camera lens; 452-CMOS plate; 453-output regulation circuit; 454-decoding processing circuit; 455-sending module; 456-housing.
Embodiment
Embodiment 1
Shown in Figure 1, be a kind of oil-immersed power transformer accident warning device of one embodiment of the invention, comprise:
At least one described database server 1, adopts hard-disc storage space, stores oil-immersed power transformer positional information and the Position Number information corresponding with this positional information and this oil-immersed power transformer service record information.
Some described alarm terminals 2, comprise wireless module and Sensor monitoring module, be arranged in oil-immersed power transformer, when oil-immersed power transformer abnormal state being detected, send failure message and Position Number information by wireless network to application server 3, and be provided with the Quick Response Code recording this oil-immersed power transformer position and the Quick Response Code recording the corresponding failure message of this oil-immersed power transformer on the surface at described alarm terminal 2.
At least one described application server 3, adopt computer computing machine, receive the next failure message of described alarm terminal transmission and Position Number information, and by Position Number Query Database server 1, identify positional information and the service record information of oil-immersed power transformer, and described failure message and positional information and service record information are sent on the handheld terminal 4 of specifying by wireless network, after fault handling, application server 3 receives repair message that handheld terminal 4 sent by wireless network and transfers to described database server and stores.
At least one handheld terminal 4, as shown in Figure 2, there is wireless module 43 for receiving positional information and the service record information of the transmission of described application server, and show, the Quick Response Code of this oil-immersed power transformer position is recorded in scanning, and the data read out are sent to described application server 3, scanning records the Quick Response Code of corresponding failure message, and by the fault data that reads out by wireless network transmissions to described application server 3.
The database server of this system stores positional information and the maintenance record of each power transformer, conveniently transfers and stores.The alarm terminal being arranged on oil immersed type voltage device end can real-time monitor the failure message of power transformer, and is passed back in the application server of master-control room by the wireless network very first time.The positional information of the power transformer broken down inquired about by application server after receiving the failure message of alarm terminal, and information is sent on the handheld terminal of specifying, and the technician holding handheld terminal can grasp fault the very first time and position occurs.Handheld terminal after maintenance, can submit maintenance record to by the scanning 2 D code information application server to master-control room promptly and accurately.
Embodiment 2
As shown in Figure 2, as one embodiment of the present of invention, on the basis of above-described embodiment 1, described handheld terminal comprises:
Flip flop equipment 41, adopt button trigger structure, by depresses button trigger the activation handheld terminal scanning Quick Response Code.
Laser-targeting device 42, adopts column type redness or green laser, can form cylindrical speck, conveniently aim at and reading on scanning object surface.
Wireless module 43, described wireless module is 3G network signaling module, supports GSM and WCDMA network, receives the data that described application server 3 sends, and the data that sending module transmits are sent to described application server 3 by wireless data packet.
Display screen 44, described display screen adopts color liquid crystal LCD, shows the data that described application server 3 sends, and the data message that reading scan Quick Response Code reads.
Two dimension code reading module 45, as shown in Figure 3, comprises further:
Housing 456; As the construction package of fixing each element.
Camera lens 451, for catching image in 2 D code.
CMOS plate 452, for comprising the PCB of cmos image sensing chip, described cmos image sensing chip adopts company of Micron Technology model to be the monochrome image sensor of MT9V022, and the image for being caught by camera lens is converted into digital signal and exports.
Output regulation circuit 453, the digital image signal generated by CMOS plate carries out cutting by the size frame size by setting and exports.Size frame size is the area of the digital map inconocenter percentage 75 got, by remaining percentage 25 image-erasing.This sampled images size becomes original percentage 75, improves decode rate.
Decoding processing circuit 454, stores Quick Response Code decoding algorithm, and by the image in 2 D code decoding data that output regulation circuit exports, the Quick Response Code that the present embodiment adopts is QR code.
Sending module 455, is sent to described wireless module by the two-dimensional code data of described decoding process chip decoding by flexible printer circuit line.
The handheld terminal of described immersion Power Transformer Faults warning device, can carry out cutting by the view data that camera lens obtains, decrease the storage space shared by view data, accelerate recognition decode rate.Laser-targeting device can form cylindrical sight picture on the Quick Response Code surface that need scan, and facilitates technician to aim at, distinguishes.
Embodiment 3
As one embodiment of the present of invention, on the basis of above-described embodiment 2, described alarm terminal is provided with temperature sensor at the mailbox top of described oil-immersed power transformer, for detecting the oil temperature in mailbox.Described alarm terminal is also provided with smoke transducer in described oil-immersed power transformer upper end, for detecting the smog change of oil-immersed power transformer self and working environment.
Embodiment 4
As one embodiment of the present of invention, on the basis of above-described embodiment 3, the failure message that described alarm terminal sends comprises:
Temperature is too high;
Smog alarm;
Output voltage is abnormal
Embodiment 5
Shown in Figure 4, be the fault detection method of a kind of oil-immersed power transformer accident warning device of one embodiment of the invention, the method comprises the following steps:
S1: store oil-immersed power transformer positional information and the Position Number information corresponding with this positional information and this oil-immersed power transformer service record information.
S2: when oil-immersed power transformer abnormal state being detected, sends failure message and Position Number information by wireless network to application server.
S3: receive the next failure message of transmission and Position Number information, and the oil-immersed power transformer positional information broken down is inquired about by Position Number, identify positional information and the service record information of oil-immersed power transformer, and described failure message and positional information and service record information are sent to the handheld terminal of specifying by wireless network.
S4: handheld terminal receives positional information and the service record information of the transmission of described application server, and show, the Quick Response Code of this oil-immersed power transformer position is recorded in scanning, and the data read out are sent to described application server, after maintenance, the image in 2 D code information that in scanning work handbook, each fault is corresponding, and by the fault data that reads out by wireless network transmissions to described application server.
Embodiment 6
As one embodiment of the present of invention, on the basis of above-described embodiment 5, also comprise in described step S4:
The handheld terminal that triggers the activation scanning Quick Response Code.
Circular aiming light source is presented at body surface.
Catch complete image in 2 D code.
The image of being caught by camera lens is converted into digital signal and exports.
The digital map signal of generation is carried out cutting according to by the size frame size by setting and exports, and size frame size is the area of the digital map inconocenter percentage 75 got, by remaining percentage 25 image-erasing.This sampled images size becomes original percentage 75, improves decode rate.
Store Quick Response Code decoding algorithm, by the image in 2 D code decoding data that output regulation circuit exports.
The two-dimensional code data of decoding is sent by wireless module.
Embodiment 7
As one embodiment of the present of invention, on the basis of above-described embodiment 6, described failure message comprises:
Temperature is too high;
Smog alarm;
Output voltage is abnormal.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (1)
1. a fault detection method for oil-immersed power transformer accident warning device, is characterized in that, this oil-immersed power transformer accident warning device comprises: database server, alarm terminal, application server and handheld terminal, wherein,
Described database server, stores oil-immersed power transformer positional information and the Position Number information corresponding with this positional information and this oil-immersed power transformer service record information;
Described alarm terminal, be arranged in oil-immersed power transformer, when oil-immersed power transformer abnormal state being detected, send failure message and Position Number information by wireless network to application server, and be provided with the Quick Response Code recording this oil-immersed power transformer position and the Quick Response Code recording the corresponding failure message of this oil-immersed power transformer on the surface at described alarm terminal;
Described application server, receive the next failure message of described alarm terminal transmission and Position Number information, and by Position Number Query Database server, identify positional information and the service record information of oil-immersed power transformer, and described failure message and positional information and service record information are sent to by wireless network on the handheld terminal of specifying, receive repair message that handheld terminal sends and also transfer to described database server and store;
Handheld terminal, for receiving positional information and the service record information of the transmission of described application server, and show, the Quick Response Code of this oil-immersed power transformer position is recorded in scanning, and the data read out are sent to described application server, scanning records the Quick Response Code of corresponding failure message, and by the fault data that reads out by wireless network transmissions to described application server;
Described handheld terminal comprises:
Flip flop equipment, adopt button trigger the activation handheld terminal scanning Quick Response Code;
Laser-targeting device, adopts column type laser;
Wireless module, described wireless module supports GSM and WCDMA network, receives the data that described application server sends, and the data that sending module transmits are sent to described application server;
Display screen, described display screen adopts color liquid crystal LCD, shows the data that described application server sends, and the data message that reading scan Quick Response Code reads;
Two dimension code reading module, comprises further:
Camera lens, for catching image in 2 D code;
CMOS plate, the image for being caught by camera lens is converted into digital signal and exports;
Output regulation circuit, the digital image signal generated by CMOS plate carries out cutting by the size frame size by setting and exports;
Decoding processing circuit, stores Quick Response Code decoding algorithm, by the image in 2 D code decoding data that output regulation circuit exports;
Sending module, the two-dimensional code data of being decoded by described decoding processing circuit is sent to described application server by described wireless module;
Described alarm terminal is provided with temperature sensor at the mailbox top of described oil-immersed power transformer;
Described alarm terminal is also provided with smoke transducer in described oil-immersed power transformer upper end;
This detection method comprises the following steps:
S1: store oil-immersed power transformer positional information and this oil-immersed power transformer service record information;
S2: when oil-immersed power transformer abnormal state being detected, sends failure message and Position Number information by wireless network to application server;
S3: receive the next failure message of transmission and Position Number information, and the oil-immersed power transformer positional information broken down is inquired about by Position Number, identify positional information and the service record information of oil-immersed power transformer, and described failure message and positional information and service record information are sent to the handheld terminal of specifying by wireless network;
S4: handheld terminal receives positional information and the service record information of the transmission of described application server, and show, the Quick Response Code of this oil-immersed power transformer position is recorded in scanning, and the data read out are sent to described application server, scanning records the Quick Response Code of corresponding failure message, and by the fault data that reads out by wireless network transmissions to described application server, it specifically comprises the following steps:
The handheld terminal that triggers the activation scanning Quick Response Code;
Circular aiming light source is presented at body surface;
Catch image in 2 D code;
The image of being caught by camera lens is converted into digital signal and exports;
The digital map signal of generation is carried out cutting according to by the size frame size by setting and exports;
Store Quick Response Code decoding algorithm, by the image in 2 D code decoding data that output regulation circuit exports;
The two-dimensional code data of decoding is sent by wireless module.
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| CN201410549897.3A CN104280071B (en) | 2014-10-16 | 2014-10-16 | A kind of fault detection method of oil-immersed power transformer accident warning device |
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| CN201410549897.3A CN104280071B (en) | 2014-10-16 | 2014-10-16 | A kind of fault detection method of oil-immersed power transformer accident warning device |
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| CN115563528A (en) * | 2022-11-25 | 2023-01-03 | 四川飞宇电力股份有限公司 | Transformer maintenance equipment control method, electronic equipment and medium |
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| TWI617108B (en) * | 2016-12-08 | 2018-03-01 | Judgment system for transformer operation status in power supply network |
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| CN104280071B (en) | 2016-07-06 |
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