Recently, the Shandong police uncovered a case of stolen transformers. The incident occurred in March. The two suspects stole the copper switchboard of an 80-kilovolt transformer located beside Dongnong Farm in Xidujia Village, Gaolan Town, Pingdu City. Caused the interruption of irrigation of nearby farmland, causing considerable losses to nearby villagers. The value of transformers stolen by them was about 30,000, but they were sold for more than 1,000 yuan. It is worthless. The behavior of the two thieves not only affected the farming of the peasants, but also caused serious damage to the country. In order to prevent the transformer from being stolen, generally the power bureau will also install a burglar alarm on the transformer.
Transformer anti-theft alarm Power transformer anti-theft alarm system uses GSM short message data transmission mode and voice function platform to complete intelligent alarm data remote transmission and control, mainly used in the power system distribution network power lines, transformers and other power supply equipment and lines of anti-cut, anti-defense Theft, vandalism. The main machine adopts a fully sealed aluminum die-casting housing, which is characterized by good waterproof performance, functional and practical, excellent quality and stable and reliable operation. It is suitable for use in various field environments and is widely used in the safety of electric equipment, petroleum, mining and other outdoor power equipment. Protection, this machine can be used independently, or can be used with the alarm center network.
Working principle The anti-theft alarm system for power transformers is mainly used in the power system distribution network power lines, transformers and other power supply equipment and lines to prevent the cut, burglary, and vandalism. The main machine adopts a fully sealed aluminum die-casting housing, which is characterized by good waterproof performance, functional and practical, excellent quality and stable and reliable operation. It is suitable for use in various field environments and is widely used in the safety of electric equipment, petroleum, mining and other outdoor power equipment. Protection, this machine can be used independently, or can be used with the alarm center network. Using GSM short message data transmission mode and voice function platform to complete intelligent alarm data remote transmission and control.
The wireless monitoring alarm host is installed on the pole of the monitored power line or next to the transformer. Once the power line or transformer is stolen, three-phase disconnected or power failure, the monitoring alarm host immediately detects and alerts the GSM receiving host with wireless GSM short message. Perform live voice alert; the receiving host will send the data to the computer after receiving the alarm signal. The computer will analyze and judge the alarm host and the line that may be faulted after the receiving alarm software sounds the alarm. The screen displays the alarm date, time, alarm extension number, fault transformer and Possible faulty lines, and display the actual location of the alarm transformer and the faulty line by electronic map, and store the alarm data in the database for reference. Immediately after receiving the alarm, the on-duty leaders sent the police to the scene to check the situation and handle the relevant issues. Transformer anti-theft alarm system generally consists of alarm host, high alarm, detection device (infrared detectors, vibration detectors, etc.), the composition of the alarm center features 1, GSM Chinese short message alarm, intuitive and reliable, transmission distance is not limited;
2. Three-phase detection of the power supply line of the power grid can accurately detect and report abnormal conditions of any phase;
3, 2 infrared detector input port with anti-false alarm function, 5 switch input ports, can be equipped with other sensors such as disconnection, shift, vibration, etc., to the power transformer is damaged, move the alarm;
4, all the way switch output, all the way to control the 12V output, and other devices can be alarm linkage;
5, can set a central mobile phone number and 4 mobile phone users to accept text messages can use ordinary mobile phone manual alarm, but also by picking; police center computer automatically alarm, electronic map display, with a strong network alarm function;
6, simple and convenient through the central network management and remote mobile phone SMS to set host parameters;
7, the system is equipped with a high volume speaker, warning thief and vandal;
8, the system has a remote call function;
9, aluminum die-casting fully sealed enclosure, waterproof performance, suitable for field installation;
10, can monitor the surrounding temperature;
11, can check the terminal equipment signal strength;
12, the system has power protection function, when the power cord is damaged or due to other reasons, the system standby lithium battery can continue to work for 48 hours, will automatically charge after the call;
13, support solar power supply.
Transformer burglar alarm how to choose 1, transformer burglar alarm host shell can not use metal or other shielded box, because the antenna mounted on the outside easily destroyed, affecting communications and alarm.
2, the host must be stable and reliable, itself around the transformer is a high voltage and strong magnetic, interference is very powerful, and some power transformer anti-theft alarm will alarm for no reason, because of high-voltage magnetic interference host chip operation.
3, to consider whether the transformer burglar alarm can determine the ability to power outages and phase abnormalities, or blackout alarm, abnormal alarm, will also affect the police on duty staff, do not know which one is blackouts, which is broken phase abnormalities; Power outages and phase failures need to be monitored at the power bureau. There are a lot of security incidents in the power bureaus that are caused by chaotic operations. The unified scheduling and arrangement of power centers can reduce safety accidents.
4, the detector must be no false positives, some transformer burglar alarm electronic detectors, often affected by the weather and environmental impact of false positives. We often call the wolf a wolf. Really the wolf has been unable to judge the duty. It is a real wolf or a fake wolf. The possibility of being stolen increases by 90%.
5, power transformer anti-theft alarm settings must have a reply, this setting is exactly what is wrong, there must be a return to the comparison, or the alarm will not be on the joke.
6, power transformer anti-theft alarm must have an early warning function, the transformer has been stolen and then alarm, the role of this alarm has been lost. Before the accident did not occur, there are prompts or notices are the real purpose of installing transformer anti-theft alarm.
7, arrears notice function, power transformer anti-theft alarm is not a mobile phone at any time to know the situation arrears. There are two solutions to solve this problem: a. Let the communication company monitor the cost of your host card at any time. If the amount is lower than a certain amount, notify the alarm owner. (The amount of this solution is less than the amount of communication companies do not do this job. 3 months will not be full of money will be invalid, must pay attention to this issue); b, the host itself has this function, arrears can be notified to the responsible person.
8. It is best to read the temperature of the transformer to the power bureau because many transformers have large loads and high temperatures. When the power transformer reaches a certain level, it will explode. The power transformer anti-theft alarm system sets a temperature alarm and exceeds a certain temperature. On the alarm, the accident will be reduced by 20%; the value of a transformer is not very high, but the social impact is great. Now that the whole country is catching up with safety, this function has to be noticed.
9, the alarm host to low power consumption to save energy green, not the power grid is better, each transformer burglar alarm save 100 years a year, the country adds is not a simple figure, the global energy so nervous, we have to Consider this issue.
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