CN103440727B - A kind of electric fire disaster warning method and system - Google Patents
A kind of electric fire disaster warning method and system Download PDFInfo
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Abstract
A kind of method of electric fire disaster warning, comprise sensor and respectively the case temperature of consumer, environment temperature and parameters of electric power are sent to measuring instrument, the case temperature of consumer, environment temperature and pretreated electric power analysis parameter are sent to computing machine by measuring instrument; Early warning information processing module processes apparatus casing temperature and environment temperature, the temperature safety data of temperature analysis result and electrical equipment safety database is analyzed; Early warning information processing module is according to firm power parameter, and the electric power analysis parameter of consumer, analyze and obtain electric power analysis result, and compare with the electric power safety data of electrical equipment safety database, early warning information processing module carries out Comprehensive Assessment according to the temperature analysis result of each consumer and electric power analysis result, if consumer exists disaster hidden-trouble, shorten monitoring periods, send alarm to alarm device.The present invention can carry out early warning to consumer electrical fire potential safety hazard.
Description
Technical field
The present invention relates to fire alarm field, be specifically related to a kind of electric fire disaster warning method and system, be specially adapted to the electric fire disaster warning of factories and miness enterprises and institutions.
Background technology
Existing electrical fire warning device carries out the forecast of electrical fire usually by the parameter such as leakage current (or neutral line current), on-the-spot flue gas detecting electrical equipment, as " a kind of electrical fire-detector " (Chinese Patent Application No.: 200920204173.X), this utility model judges whether to send fire alarm by detecting the leakage current of consumer, on-the-spot combustable gas concentration, flue gas concentration and environment temperature.This kind of electrical fire warning device is generally applicable to single consumer or single consumer is on-the-spot, and generally cannot prevent the electrical fire that the electrical fire and electric pollution that do not form neutral line current sudden change are formed.
The invention provides a kind of electric fire disaster warning system, prevention forecast is carried out to the electrical fire of all consumers of power consumer.
summary of the invention:
The object of this invention is to provide a kind of fire alarm method and system being applicable to the power consumers such as factories and miness enterprises and institutions, by to the parameters of electric power of consumer and facility environment situation Real-Time Monitoring, the electric disaster hidden-trouble that Timeliness coverage produces because of consumer and electric line fault, sends fire alarm in real time.
Implement the method for a kind of electric fire disaster warning of the present invention, comprising:
The case temperature of device temperature Sensor monitoring consumer, environment temperature sensor detects the environment temperature of consumer, the parameters of electric power of power sensor monitoring consumer; The case temperature of the consumer monitored, environment temperature and parameters of electric power are sent to measuring instrument by signal wire by device temperature sensor, environment temperature sensor and power sensor respectively, wherein, parameters of electric power comprises electric current, the voltage of single-phase electric devices, the line current of three-phase electricity consumer, line voltage and neutral line current; The case temperature of consumer, environment temperature and pretreated electric power analysis parameter are sent to computing machine by measuring instrument; The case temperature of the consumer received, environment temperature and the electric power analysis parameter after anticipating are stored in raw data base by computing machine, and visualization processing is carried out to the case temperature of consumer, environment temperature and the electric power analysis parameter after anticipating, show the case temperature of each monitoring point, environment temperature and the electric power analysis parameter after anticipating in real time by graph mode; Early warning information processing module in computing machine calls apparatus casing temperature and the environment temperature of each consumer from raw data base, and apparatus casing temperature and environment temperature are processed, calculate the temperature analysis result obtaining consumer, and the temperature safety data of temperature analysis result and electrical equipment safety database are analyzed, whether the temperature difference of monitoring consumer case temperature and environment, temperature difference climbing speed, apparatus casing temperature rate-of-rise be abnormal, and carry out visualization processing, by graph mode Graphics Processing mode; Early warning information processing module in computing machine calls the firm power parameter of each consumer from raw data base, and the electric power analysis parameter of consumer, analyze and obtain electric power analysis result, and compare with the electric power safety data of electrical equipment safety database, whether the consumer detecting each monitoring point exists overload, disconnected phase, short circuit, loose contact, excess current, superpotential, under-voltage, undercurrent, affects the electric pollution of device security, and carry out visualization processing, by graph mode Graphics Processing mode; Early warning information processing module in computing machine carries out Comprehensive Assessment according to the temperature analysis result of each consumer and electric power analysis result, if there is disaster hidden-trouble in consumer, shorten monitoring periods, strengthen the monitoring to this monitoring point, if after the disaster hidden-trouble degree of consumer exceedes threshold value, alarm will be sent to alarm device.
Implement the system of a kind of electric fire disaster warning of the present invention, comprise: device temperature sensor, environment temperature sensor, power sensor, measuring instrument, signal, warning device, computing machine and early warning information processing module form, wherein, device temperature sensor, for monitoring the case temperature of consumer, and by signal wire, the case temperature of consumer is sent to measuring instrument; Environment temperature sensor, for monitoring the environment temperature of consumer, and sends to measuring instrument by signal wire by the environment temperature of consumer; Power sensor, for monitoring the parameters of electric power of consumer, and by signal wire, consumer parameters of electric power is sent to measuring instrument, wherein, parameters of electric power comprises electric current, the voltage of single-phase electric devices, the line current of three-phase electricity consumer, line voltage and neutral line current; Measuring instrument, the case temperature of the consumer sent respectively by signal wire for receiving equipment temperature sensor, environment temperature sensor and power sensor, environment temperature and parameters of electric power, and the case temperature of consumer, environment temperature and pretreated electric power analysis parameter are sent to computing machine; Computing machine, for receiving the case temperature of consumer, environment temperature and pretreated electric power analysis parameter that measuring instrument sends, and the case temperature of the consumer received, environment temperature and the electric power analysis parameter after anticipating are stored in raw data base, and visualization processing is carried out to the case temperature of consumer, environment temperature and the electric power analysis parameter after anticipating, show the case temperature of each monitoring point, environment temperature and the electric power analysis parameter after anticipating in real time by graph mode; Early warning information processing module, for calling apparatus casing temperature and the environment temperature of each consumer from raw data base, and apparatus casing temperature and environment temperature are processed, calculate the temperature analysis result obtaining consumer, and the temperature safety data of temperature analysis result and electrical equipment safety database are analyzed, whether the temperature difference of monitoring consumer case temperature and environment, temperature difference climbing speed, device temperature climbing speed be abnormal, and carry out visualization processing, by graph mode Graphics Processing mode; Early warning information processing module, also for calling the firm power parameter of each consumer from raw data base, and the electric power analysis parameter of consumer, analyze and obtain electric power analysis result, and compare with the electric power safety data of electrical equipment safety database, whether the consumer detecting each monitoring point exists overload, disconnected phase, short circuit, loose contact, excess current, superpotential, under-voltage, undercurrent, affects the electric pollution of device security, and carry out visualization processing, by graph mode Graphics Processing mode; Early warning information processing module, also for carrying out Comprehensive Assessment according to the temperature analysis result of each consumer and electric power analysis result, if there is disaster hidden-trouble in consumer, shorten monitoring periods, strengthen the monitoring to this monitoring point, if after the disaster hidden-trouble degree of consumer exceedes threshold value, alarm will be sent to alarm device.
Implement a kind of electric fire disaster warning system of the present invention, can to all electrical equipments of whole power consumer the consumer electrical fire potential safety hazard that causes of the electric pollution such as overload, disconnected phase, short circuit, electric leakage and three-phase imbalance, voltage transient, overvoltage, under-voltage, overcurrent, higher hamonic wave carry out early warning, all kinds of electrical fire is eliminated in bud, guarantees the Electrical Safety of power consumer.
Accompanying drawing explanation
Fig. 1 is a kind of electric fire disaster warning system chart provided by the invention;
Fig. 2 is a kind of appliance fire method for early warning schematic diagram provided by the invention.
1. power distribution room 2. transformer oil temperature sensor 3. transformer 4. communication server 5. data line 6. signal wire 7. environment temperature sensor 8. device temperature sensor 9. consumer 10. power sensor 11. power distribution cabinet 12. measuring instrument 13. power transmission line 14. computing machine 15. alarm device.
Embodiment
Detail of the present invention and job step is described in detail below in conjunction with accompanying drawing:
The device of a kind of electric fire disaster warning system of the present invention as shown in Figure 1, comprise device temperature sensor 8, environment temperature sensor 7, power sensor 10, measuring instrument 12, the communication server 4, signal wire 6, data line 5, warning device 15, computing machine 14 and early warning information processing module, wherein device temperature sensor 8 comprises transformer oil temperature sensor, apparatus casing temperature sensor, transformer oil temperature sensor is installed in transformer 3 housing, and apparatus casing temperature sensor is arranged on the housing of consumer 9; Environment temperature sensor 7 is arranged on (as in power distribution room 1, in workshop) in the environment space of consumer 9; Power sensor 10 is arranged on the end of incoming cables of the primary line side of transformer 3, power distribution room 1 and switch board and each consumer 9; Device temperature sensor 8 is connected with measuring instrument 12 by signal wire 6 with power sensor 10; Measuring instrument 12 input end is connected with device temperature sensor 8, environment temperature sensor 7, power sensor 10 by signal wire 6, and output terminal is connected with the communication server 4 by data line 5; The communication server 4 input end is connected with computing machine 14 by data line 5, and early warning information processing module can be a software, installs on computer 14; Warning device 15 is connected with computing machine 14.
Device temperature sensor 8, for monitoring the case temperature of consumer, and sends to measuring instrument by signal wire 6 by the case temperature of consumer;
Environment temperature sensor 7, for monitoring the environment temperature of consumer, and sends to measuring instrument by signal wire 6 by the environment temperature of consumer;
Power sensor 10, for monitoring the parameters of electric power of consumer, and by signal wire 6, consumer parameters of electric power is sent to measuring instrument, wherein, parameters of electric power comprises electric current, the voltage of single-phase electric devices, the line current of three-phase electricity consumer, line voltage and neutral line current;
Measuring instrument 12, the case temperature of the consumer sent respectively by signal wire 6 for receiving equipment temperature sensor 8, environment temperature sensor 7 and power sensor 10, environment temperature and parameters of electric power, and the case temperature of consumer, environment temperature and pretreated electric power analysis parameter are sent to computing machine 14; Wherein, electric power analysis parameter contains the voltage deviation of each consumer, frequency departure, harmonic content, voltage fluctuation, imbalance of three-phase voltage, electricity and line loss, power factor, the total active power of three-phase and the total reactive power of three-phase, electric power analysis result contain analyze obtain power supply frequency change, active power, reactive power, three-phase imbalance state, higher hamonic wave, voltage transient, current transients, overvoltage and overcurrent and under-voltage; Temperature analysis result comprises the device temperature rate of change of each consumer, temperature rate-of-rise, equipment and the temperature difference of environment and the medial temperature in the sampling period.
Computing machine 14, for receiving the case temperature of consumer, environment temperature and pretreated electric power analysis parameter that measuring instrument sends, and the case temperature of the consumer received, environment temperature and the electric power analysis parameter after anticipating are stored in raw data base, and visualization processing is carried out to the case temperature of consumer, environment temperature and the electric power analysis parameter after anticipating, show the case temperature of each monitoring point, environment temperature and the electric power analysis parameter after anticipating in real time by graph mode;
Early warning information processing module, for calling apparatus casing temperature and the environment temperature of each consumer from raw data base, and apparatus casing temperature and environment temperature are processed, calculate the temperature analysis result obtaining consumer, and the temperature safety data of temperature analysis result and electrical equipment safety database are analyzed, whether the temperature difference of monitoring consumer case temperature and environment, temperature difference climbing speed, apparatus casing temperature rate-of-rise be abnormal, and carry out visualization processing, by graph mode Graphics Processing mode;
Early warning information processing module, also for calling the firm power parameter of each consumer from raw data base, and the electric power analysis parameter of consumer, analyze and obtain electric power analysis result, and compare with the electric power safety data of electrical equipment safety database, whether the consumer detecting each monitoring point exists overload, disconnected phase, short circuit, loose contact, excess current, superpotential, under-voltage, undercurrent, affects the electric pollution of device security, and carry out visualization processing, by graph mode Graphics Processing mode;
Early warning information processing module, also for carrying out Comprehensive Assessment according to the temperature analysis result of each consumer and electric power analysis result, if there is disaster hidden-trouble in consumer, shorten monitoring periods, strengthen the monitoring to this monitoring point, if after the disaster hidden-trouble of consumer exceedes threshold value, alarm will be sent to alarm device.
Device temperature sensor is arranged on apparatus casing and transformer shell, and environment temperature sensor is arranged on consumer environment space, and power sensor is arranged on the end of incoming cables of transformer primary line side, power distribution room and switch board or each consumer.
Measuring instrument 12, also for by initialize program according to the parameters of electric power received, analytical calculation obtains the firm power parameter comprising the active power of each consumer, reactive power, frequency and harmonic content, and comprises the electric power analysis parameter of the voltage deviation of each consumer, frequency departure, harmonic content, voltage fluctuation, imbalance of three-phase voltage, electricity and line loss, power factor, the total active power of three-phase and the total reactive power of three-phase.
Specific implementation process, as shown in Figure 2, performs the following step:
101, the device temperature sensor 8 be arranged on consumer 9 housing detects the case temperature of consumer 9; The environment temperature sensor 7 being arranged on consumer environment space detects the environment temperature of consumer; Power sensor 10 detects the parameters of electric power of consumer 4; Wherein, parameters of electric power comprises electric current, the voltage of single-phase electric devices, the line current of three-phase electricity consumer, line voltage and neutral line current.
102, the apparatus casing temperature detected and environment temperature are transferred on measuring instrument 12 respectively by signal wire 6 by environment temperature sensor 8 and device temperature sensor 7, wherein, environment temperature sensor 8 and device temperature sensor 7 are connected to each other with measuring instrument 12 respectively, the parameters of electric power monitored is transferred to measuring instrument 12 by signal wire 6 by power sensor 10, wherein, power sensor 10 and measuring instrument 12 are connected to each other.
103, after measuring instrument 12 receives apparatus casing temperature and environment temperature, this apparatus casing temperature and environment temperature are kept in internal storage, after measuring instrument 12 receives parameters of electric power, this parameters of electric power is carried out pre-service, then electric power analysis parameter is kept in internal storage.
Wherein, this parameters of electric power is carried out pre-service specifically refer to: the single-chip microcomputer of measuring instrument 12 by initialize program according to parameters of electric power such as the electric current received, voltages, analytical calculation obtains the firm power parameter such as active power, reactive power, frequency, harmonic content of each monitoring point, and the electric power analysis parameter such as the voltage deviation of each monitoring point, frequency departure, harmonic content, voltage fluctuation, imbalance of three-phase voltage, electricity and line loss, power factor, the total active power of three-phase, the total reactive power of three-phase.
104, measuring instrument 12 sends consumer case temperature and environment temperature by the communication server 4 to computing machine 14 through data line 5 according to the time interval of setting, and the electric power analysis parameter of the consumer of anticipating.
105, computing machine 14 is by each communication server 4 of data line 5 scan round, establish a communications link according to the communication protocol arranged and the communication server 4, the consumer case temperature that the monitoring that received communication server 4 sends obtains and environment temperature, and the electric power analysis parameter of the consumer of anticipating.
106, computing machine 14 consumer case temperature that the communication server 4 received is sent and environment temperature, and the electric power analysis parameter of the consumer of anticipating is stored in raw data base, and visualization processing is carried out to raw data, temperature and the electric power analysis parameter of each monitoring point is shown in real time by graph mode.
107, early warning information process software in computing machine 14 calls apparatus casing temperature and the environment temperature of the consumer of each monitoring point from raw data base, and apparatus casing temperature and environment temperature are processed, calculate the apparatus casing rate of temperature change obtaining each monitoring point, temperature rate-of-rise, the temperature difference of equipment and environment, medial temperature equitemperature analysis result in sampling period, and the temperature safety data of temperature analysis result and electrical equipment safety database are analyzed, the temperature difference of monitoring consumer case temperature and environment, temperature difference climbing speed, whether apparatus casing temperature rate-of-rise is abnormal.
Save the electrical safety data of similar electrical equipment at electrical equipment safety database, electrical safety data include temperature safety data and electric power safety data.
108, early warning information process software in computing machine 14 calls the electric current of each monitoring point from raw data base, voltage, active power, reactive power, frequency, the firm power parameters such as harmonic content, and the voltage deviation of each monitoring point, frequency departure, harmonic content, voltage fluctuation, imbalance of three-phase voltage, electricity and line loss, power factor, the total active power of three-phase, the electric power analysis parameters such as the total reactive power of three-phase, analyze power supply frequency change, active power, reactive power, three-phase imbalance state, higher hamonic wave, voltage transient, current transients, overvoltage, overcurrent and the electric power analysis result such as under-voltage, determine electric pollution degree, consumer electrical operation situation, the situations such as whether supply line is normal, and compare with the electric power safety data of electrical equipment safety database, whether the consumer of monitoring each monitoring point exists overload, disconnected phase, short circuit, loose contact, excess current, superpotential, under-voltage, undercurrent, affect the abnormal conditions such as the electric pollution of device security,
109, the early warning information process software in computing machine 14 carries out Comprehensive Assessment according to each monitoring point consumer temperature analysis result and electric power analysis result, if consumer normal operation, there is not electric disaster hidden-trouble, then receive the data of measuring instrument 12 transmission according to original circular treatment mode and carry out Data Analysis Services according to step 107 and 108; If Comprehensive Assessment finds that the consumer of certain monitoring point exists disaster hidden-trouble, then analysis and judgment is carried out to disaster hidden-trouble type, the order of severity, communicated with measuring instrument 12 by the communication server 4 simultaneously, the measuring instrument 4 shortening this monitoring point sends the time interval of data, strengthens the monitoring to this monitoring point;
110, after the consumer temperature rise of the early warning information process software in computing machine 14 in certain monitoring point of analysis, parameters of electric power extremely, by graph mode Graphics Processing mode, and according to disaster hidden-trouble type, the order of severity seletion calculation machine prompting, alarm device send audible and visible alarm, by the communication ports such as internet to related personnel send prompting report to the police mode carry out alarm.
Claims (7)
1. an electric fire disaster warning method, is characterized in that, comprising:
The case temperature of device temperature Sensor monitoring consumer, the environment temperature of environment temperature sensor monitoring consumer, the parameters of electric power of power sensor monitoring consumer;
The case temperature of the described consumer monitored, described environment temperature and described parameters of electric power are sent to measuring instrument by signal wire by described device temperature sensor, described environment temperature sensor and described power sensor respectively, wherein, described parameters of electric power comprises electric current, the voltage of single-phase electric devices, the line current of three-phase electricity consumer, line voltage and neutral line current;
The described case temperature of consumer, described environment temperature and pretreated electric power analysis parameter are sent to computing machine by described measuring instrument, and described electric power analysis parameter comprises the voltage deviation of each consumer, frequency departure, harmonic content, voltage fluctuation, imbalance of three-phase voltage, electricity and line loss, power factor, the total active power of three-phase and the total reactive power of three-phase;
The case temperature of the described consumer received, described environment temperature and described pretreated electric power analysis parameter are stored in raw data base by described computing machine, and visualization processing is carried out to the case temperature of described consumer, environment temperature and pretreated electric power analysis parameter, show the case temperature of each monitoring point, environment temperature and pretreated electric power analysis parameter in real time by graph mode;
Early warning information processing module in computing machine calls apparatus casing temperature and the environment temperature of each consumer from raw data base, and apparatus casing temperature and environment temperature are processed, calculate the temperature analysis result obtaining consumer, and the temperature safety data of temperature analysis result and electrical equipment safety database are analyzed, whether the temperature difference of monitoring consumer case temperature and environment, temperature difference climbing speed, apparatus casing temperature rate-of-rise be abnormal, and carry out visualization processing, by graph mode Graphics Processing mode;
Early warning information processing module in computing machine calls the firm power parameter of each consumer from raw data base, and the electric power analysis parameter of consumer, analyze and obtain electric power analysis result, and compare with the electric power safety data of electrical equipment safety database, whether the consumer of monitoring each monitoring point exists overload, disconnected phase, short circuit, loose contact, excess current, superpotential, under-voltage, undercurrent, affects the electric pollution of device security, and carry out visualization processing, by graph mode Graphics Processing mode; Described firm power parameter comprises the active power of each consumer, reactive power, frequency and harmonic content;
Early warning information processing module in computing machine carries out Comprehensive Assessment according to the temperature analysis result of each consumer and electric power analysis result, if there is disaster hidden-trouble in consumer, shorten monitoring periods, strengthen the monitoring to described monitoring point, if after the disaster hidden-trouble degree of consumer exceedes threshold value, alarm will be sent to warning device.
2. the method for claim 1, is characterized in that, also comprises:
The single-chip microcomputer of measuring instrument is by initialize program according to the parameters of electric power received, and analytical calculation obtains described firm power parameter, and described electric power analysis parameter.
3. the method for claim 1, it is characterized in that, described electric power analysis result contain analyze obtain power supply frequency change, active power, reactive power, three-phase imbalance state, higher hamonic wave, voltage transient, current transients, overvoltage and overcurrent and under-voltage; Described temperature analysis result comprises the apparatus casing rate of temperature change of each consumer, temperature rate-of-rise, equipment and the temperature difference of environment and the medial temperature in the sampling period.
4. an electric fire disaster warning system, is characterized in that, comprises device temperature sensor, environment temperature sensor, power sensor, measuring instrument, signal wire, warning device, computing machine and early warning information processing module, it is characterized in that,
Described device temperature sensor, for monitoring the case temperature of consumer, and sends to measuring instrument by described signal wire by the case temperature of described consumer;
Described environment temperature sensor, for monitoring the environment temperature of consumer, and sends to measuring instrument by described signal wire by the environment temperature of described consumer;
Described power sensor, for monitoring the parameters of electric power of consumer, and by described signal wire, described consumer parameters of electric power is sent to measuring instrument, wherein, parameters of electric power comprises electric current, the voltage of single-phase electric devices, the line current of three-phase electricity consumer, line voltage and neutral line current;
Described measuring instrument, the case temperature of the consumer sent respectively by signal wire for receiving equipment temperature sensor, environment temperature sensor and power sensor, environment temperature and parameters of electric power, and the case temperature of described consumer, environment temperature and pretreated electric power analysis parameter are sent to computing machine;
Described computing machine, for receiving the case temperature of consumer, environment temperature and pretreated electric power analysis parameter that measuring instrument sends, and the case temperature of the consumer received, environment temperature and pretreated electric power analysis parameter are stored in raw data base, and visualization processing is carried out to the case temperature of consumer, environment temperature and pretreated electric power analysis parameter, show the case temperature of each monitoring point, environment temperature and pretreated electric power analysis parameter in real time by graph mode; Described electric power analysis parameter contains the voltage deviation of each consumer, frequency departure, harmonic content, voltage fluctuation, imbalance of three-phase voltage, electricity and line loss, power factor, the total active power of three-phase and the total reactive power of three-phase;
Described early warning information processing module, for calling apparatus casing temperature and the environment temperature of each consumer from raw data base, and apparatus casing temperature and environment temperature are processed, calculate the temperature analysis result obtaining consumer, and the temperature safety data of temperature analysis result and electrical equipment safety database are analyzed, whether the temperature difference of monitoring consumer case temperature and environment, temperature difference climbing speed, apparatus casing temperature rate-of-rise be abnormal, and carry out visualization processing, by graph mode Graphics Processing mode;
Described early warning information processing module, also for calling the firm power parameter of each consumer from raw data base, and the electric power analysis parameter of consumer, analyze and obtain electric power analysis result, and compare with the electric power safety data of electrical equipment safety database, whether the consumer of monitoring each monitoring point exists overload, disconnected phase, short circuit, loose contact, excess current, superpotential, under-voltage, undercurrent, affects the electric pollution of device security, and carry out visualization processing, by graph mode Graphics Processing mode; Described firm power parameter comprises the active power of each consumer, reactive power, frequency and harmonic content;
Described early warning information processing module, also for carrying out Comprehensive Assessment according to the temperature analysis result of each consumer and electric power analysis result, if there is disaster hidden-trouble in consumer, shorten monitoring periods, strengthen the monitoring to this monitoring point, if after the disaster hidden-trouble degree of consumer exceedes threshold value, alarm will be sent to warning device.
5. a kind of electric fire disaster warning system as claimed in claim 4, it is characterized in that, described device temperature sensor is arranged on consumer housing and in transformer shell, described environment temperature sensor is arranged on consumer environment space, and described power sensor is arranged on the end of incoming cables of transformer primary line side, power distribution room and switch board or each consumer.
6. a kind of electric fire disaster warning system as claimed in claim 4, is characterized in that, described measuring instrument, also for by initialize program according to the parameters of electric power received, the firm power parameter described in analytical calculation obtains, and described electric power analysis parameter.
7. a kind of electric fire disaster warning system as claimed in claim 4, it is characterized in that, described electric power analysis result contain analyze obtain power supply frequency change, active power, reactive power, three-phase imbalance state, higher hamonic wave, voltage transient, current transients, overvoltage and overcurrent and under-voltage; Described temperature analysis result comprises the apparatus casing rate of temperature change of each consumer, temperature rate-of-rise, equipment and the temperature difference of environment and the medial temperature in the sampling period.
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| CN201477707U (en) * | 2009-08-31 | 2010-05-19 | 深圳市泰永科技股份有限公司 | Electrical fire-detector |
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| JP2011078168A (en) * | 2009-09-29 | 2011-04-14 | Panasonic Electric Works Co Ltd | Power management system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101123655A (en) * | 2006-08-07 | 2008-02-13 | 珠海市伊特高科技有限公司 | Distribution load monitoring system |
| CN201163436Y (en) * | 2008-01-24 | 2008-12-10 | 北京金智慧畅想科技有限公司 | Anti-theft alarm monitoring system of transformer |
| CN201477707U (en) * | 2009-08-31 | 2010-05-19 | 深圳市泰永科技股份有限公司 | Electrical fire-detector |
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Effective date of registration: 20201210 Address after: No.1, Dagang Dongfang Road, New District, Zhenjiang City, Jiangsu Province, 212000 Patentee after: Zhenjiang Taigu Electric Power Co., Ltd Address before: 688 Fengting Avenue, Suzhou Industrial Park, Jiangsu Province Patentee before: SUZHOU BEST AREA POWER Co.,Ltd. |