CN201876970U - Intelligent measuring and controlling device for electrical fires - Google Patents
Intelligent measuring and controlling device for electrical fires Download PDFInfo
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- CN201876970U CN201876970U CN2010205315113U CN201020531511U CN201876970U CN 201876970 U CN201876970 U CN 201876970U CN 2010205315113 U CN2010205315113 U CN 2010205315113U CN 201020531511 U CN201020531511 U CN 201020531511U CN 201876970 U CN201876970 U CN 201876970U
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Abstract
The embodiment of the utility model discloses an intelligent measuring and controlling device for electrical fires for detecting and preventing the electrical fires, comprising a central processor as well as a power module, a residual current input module, a temperature input module, a control output module, a communication module, a human-computer interface, a clock module, a three-phase voltage input module and a three-phase current input module which are electrically connected with the central processor. An electricity metering function is added on the traditional intelligent measuring and controlling device for electrical fires, so that the device is suitable for a power monitoring system.
Description
Technical field
The present invention relates to the sensory field of reporting to the police, relate in particular to a kind of electrical intelligent fire disaster measure and control device.
Background technology
In recent years, national fire failure quantity presents ascendant trend, and the ratio of electrical fire in fire failure also increases gradually, and the main cause that electrical fire takes place comprises the ground arc short circuit, the aging electric wiring of old building, the harmonic current in the electric wiring etc.In order to protect the people's safety of life and property, to reduce the loss, the detection of electrical fire and prevention become more and more important.
The monitoring and the control of multichannel residual current, temperature is carried out in the design of existing electrical intelligent fire disaster measure and control device mostly, this device is mainly by temperature monitoring, residual current monitoring, central processing unit (CPU, Central Processing Unit) control, communication process, control output, man-machine interface modules such as (HMI, HumanMachine Interface) are formed.CPU is by Treatment Analysis temperature data and residual current data, whether judgement exists faults such as the electric leakage that can cause electrical fire, short circuit, overload with electric line, as existing, controlling output circuit is sent the control signal pilot relay and is disconnected, make the electricity consumption line broken circuit that has electric fault, and send alarm signal and remind the staff to check.
But, constantly complicated along with living environment and industrial environment, the electrical intelligent fire disaster supervising device is had higher requirement.Requirement can be to three-phase voltage/electric current, frequency, harmonic wave in the electrical fire in monitoring, electric weight such as power, electric degree is also monitored, obviously, there is not corresponding module can finish the function of electric quantity metering in the existing electrical intelligent fire disaster measure and control device, dirigibility and adaptability are poor, are not suitable for the application scenario of power monitoring system or the operating environment that requirement has the electric fire disaster monitoring of electric quantity metering function.
The utility model content
The utility model embodiment provides a kind of electrical intelligent fire disaster measure and control device, by in existing apparatus, increasing three-phase voltage load module and the realization of three-phase current load module electric quantity metering to circuit, make it better adaptability, be applicable to that power monitoring system or requirement have the operating environment of the electric fire disaster monitoring of electric quantity metering function.
Device of the present utility model comprises: the power module that working power is provided for whole measure and control device, input signal is carried out real-time processing and analysis and output control signal, status signal, the central processing unit of time and deal with data, monitoring is used the current situation of electric line and is gathered the residual current load module of residual current, the temperature load module of monitoring electricity consumption line temperature situation and collecting temperature data, carry out the control output module of anti-fire operation according to the control signal that receives, realize communication module with the host computer exchanges data, show state signal and be used for the man-machine interface of artificial input control signal, the clock module of demonstration time, monitoring is monitored the state of the alternating current of using electric line and the three-phase current load module of acquisition process alternating current with the state of the alternating voltage of electric line and the three-phase voltage load module of acquisition process alternating voltage.
And central processing unit and power module, residual current load module, temperature load module, control output module, communication module, man-machine interface, clock module, three-phase voltage load module, three-phase current load module electrically connect.
As can be seen from the above technical solutions, the utility model embodiment has the following advantages: by increase three-phase voltage load module and three-phase current load module in measure and control device, can be in the monitoring that realizes three-phase voltage/electric current, central processing unit will carry out electric quantity metering to the three-phase voltage/current signal of input, make device obtain the function of electric quantity metering, measure and control device can not only be suitable for the operating environment with electric fire disaster monitoring, also is applicable to the application scenario of power monitoring system.
Description of drawings
Fig. 1 is the basic structure synoptic diagram of the electrical intelligent fire disaster measure and control device of the utility model embodiment;
Fig. 2 is the circuit diagram of the three-phase voltage load module of the utility model embodiment;
Fig. 3 is the circuit diagram of the three-phase current load module of the utility model embodiment.
Embodiment
The utility model embodiment provides a kind of electrical intelligent fire disaster measure and control device, has the function of electric quantity metering, is applicable to the detection of electrical fire and the monitoring of control and electric system, below is elaborated.
See also Fig. 1, the embodiment for the basic block diagram of the electrical intelligent fire disaster measure and control device of the utility model embodiment specifically comprises:
The power module 101 of working power is provided for whole measure and control device, input signal is carried out real-time processing and analysis and output control signal, status signal, the central processing unit 102 of time and deal with data, monitoring is used the current situation of electric line and is gathered the residual current load module 103 of residual current, the temperature load module 104 of monitoring electricity consumption line temperature situation and collecting temperature data, carry out the control output module 105 of anti-fire operation according to the control signal that receives, realize communication module 106 with the host computer exchanges data, show state signal and be used for the man-machine interface 107 of artificial input control signal, the clock module 108 of demonstration time, monitoring is monitored the state of the alternating current of using electric line and the three-phase current load module 110 of acquisition process alternating current with the state of the alternating voltage of electric line and the three-phase voltage load module 109 of acquisition process alternating voltage.
In the utility model embodiment, central processing unit 102 electrically connects with power module 101, residual current load module 103, temperature load module 104, control output module 105, communication module 106, man-machine interface 107, clock module 108, three-phase voltage load module 109, three-phase current load module 110.
Among the utility model embodiment, communication module 106 can be based on the communication module of the communications protocol of RS485, and background server can receive the monitoring result of communication device 106 and device is carried out remote parameter setting and control.
Further, the central processing unit 102 among the utility model embodiment is finished the processing of data and is analyzed the Detection ﹠ Controling that reach each module, is the acp chip of supervising device, adopts the dsPIC6014A microprocessor chip.
Further, the man-machine interface 107 among the utility model embodiment has a plurality of modules, comprising: LCDs, pilot lamp, alarm and button.LCDs shows the parameters with electric line, and alarm is made up of LED lamp and hummer, after alarm is activated, and LED lantern festival flicker or luminous, hummer is sounded a buzzer, and button is used to be provided with the data that systematic parameter or confession user inquiring monitor.
In the utility model embodiment, the residual current load module is responsible for gathering the residual current with electric line, residual current is imported the A/D modular converter in the central processing unit 102 after need the electric current adjustment through the current conversion of residual current transformer and filtering circuit discharge circuit, simulating signal is converted into digital signal, 102 pairs of data of central processing unit are handled and are compared with the threshold value of system setting, analyze and whether enter early warning or alarm condition, if reach early warning value or alarming value, then start alarm.
Type of alarm is: the data of 102 pairs of residual currents that receive of central processing unit are handled and are analyzed, reached threshold value of warning if find with the residual electricity flow valuve of electric line, and still be in after a period of time of presetting within the threshold value of warning scope, then show the residual current early warning information by LCDs, LED lamp and hummer are in alarm condition simultaneously, notify the staff timely check circuit, the generation of fire preventing.Reached alarm threshold value if find with electric line residual current value, and still be in after a period of time of presetting within the alarm threshold value scope, then show the residual current warning message by LCDs, LED lamp and hummer are in alarm condition simultaneously, and by control output module 105 pilot relays dropout action, to cut off current supply circuit, guarantee Electrical Safety.
Need to prove, discharge circuit can be an OP07 type low noise high precision operating amplifier, it also can be other the amplifier that suits the requirements, residual current transformer can be electronic mutual inductor or electromagnetic transformer, look concrete condition in the practical application and determine filtering circuit, the type of discharge circuit and mutual inductor does not limit herein.
In the utility model embodiment, power module 101, temperature load module 104, control output module 105, clock module 108 belong to prior art, repeat no more herein.
In order better to understand the utility model, see also Fig. 2, be the circuit diagram of the three-phase voltage load module of the utility model embodiment.
UA; UB; UC is the input end of three-phase voltage; UN is the voltage input common port of device; R1 is the protective resistance of circuit; R2 is the feedback resistance of operational amplifier; three-phase voltage is from UA; UB; after the input of UC port; pass through voltage transformer pt 1 respectively; PT2; PT3; voltage transformer (VT) converts the high voltage of input to low-voltage output in proportion; again after the voltage adjustment of the filtering circuit of process OP07 operational amplifier and R3 and C1 composition successively; three-phase voltage signal enters the A/D sample port RB4 in the central processing unit 102 respectively; RB6; RB8, central processing unit 102 becomes digital signal with the analog signal conversion of the three-phase voltage that receives, and every charge value of metering three-phase voltage; comprise: harmonic wave; active power, reactive power, power factor (PF); four-quadrant electric degree etc., and every data presentation that processing is obtained is on the LCDs of man-machine interface 107.
See also Fig. 3, be the circuit diagram of the three-phase current load module of the utility model embodiment.
IA, IB, IC is the input end of three-phase current, and IN is the electric current input common port of device, and R4 is the feedback resistance of operational amplifier OP07, capacitor C 3, C4 is connected in parallel on the operational amplifier, is used for stabilizing circuit, and three-phase current is from IA, IB, after the input of IC port, pass through current transformer CT1 respectively, CT2, CT3, the high electric current that current transformer will receive converts low current output in proportion to, and after successively the electric current of the filtering circuit of process operational amplifier OP07 and R5 and C2 composition was adjusted again, three-phase current signal entered the A/D sample port RB5 in the central processing unit 102 respectively, RB7, RB9, central processing unit 102 becomes digital signal with the analog signal conversion of the three-phase current that receives, and every charge value of metering three-phase current, comprise: harmonic wave, active power, reactive power, power factor (PF), four-quadrant electric degree etc., and every data presentation that processing is obtained is on the LCDs of man-machine interface 107.
Be understandable that, in order better to improve circuit, under the situation that does not influence the circuit key property; can in Fig. 2 and circuit diagram shown in Figure 3, add stabilizing circuit and holding circuit; in actual applications, concrete interpolation situation depends on the needs, and does not limit herein.
In the utility model, by increasing three-phase voltage load module and three-phase current load module, in the monitoring that realizes three-phase voltage and three-phase current, central processing unit will carry out electric quantity metering to the three-phase voltage/current signal of input, make device obtain the function of electric quantity metering, measure and control device can not only be suitable for the operating environment with electric fire disaster monitoring, also is applicable to the application scenario of power monitoring system.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all belong to the protection domain of the utility model claims firmly.
More than a kind of electrical intelligent fire disaster observing and controlling dress provided by the utility model is described in detail for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. an electrical intelligent fire disaster measure and control device is characterized in that, comprising:
The power module of working power is provided for whole measure and control device;
Input signal is carried out the central processing unit of real-time processing and analysis and output control signal, status signal, time and deal with data;
Monitoring is used the current situation of electric line and is gathered the residual current load module of residual current;
The temperature load module of monitoring electricity consumption line temperature situation and collecting temperature data;
Carry out the control output module of anti-fire operation according to the control signal that receives;
Realize communication module with the host computer exchanges data;
Show state signal and be used for the man-machine interface of artificial input control signal;
The clock module of demonstration time;
Monitor the state of the alternating voltage of using electric line and the three-phase voltage load module of acquisition process alternating voltage;
Monitor the state of the alternating current of using electric line and the three-phase current load module of acquisition process alternating current;
Described central processing unit and described power module, residual current load module, temperature load module, control output module, communication module, man-machine interface, clock module, three-phase voltage load module, three-phase current load module electrically connect.
2. device according to claim 1 is characterized in that, described three-phase voltage load module comprises voltage transformer (VT), filtering circuit and discharge circuit.
3. device according to claim 1 is characterized in that, described three-phase current load module comprises current transformer, filtering circuit and discharge circuit.
4. device according to claim 1 is characterized in that, described residual current load module comprises residual current transformer, filtering circuit and discharge circuit.
5. device according to claim 1 is characterized in that, described central processing unit is the dsPIC6014A microprocessor.
6. device according to claim 1 is characterized in that, described man-machine interface comprises: LCDs, pilot lamp, alarm and button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205315113U CN201876970U (en) | 2010-09-14 | 2010-09-14 | Intelligent measuring and controlling device for electrical fires |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205315113U CN201876970U (en) | 2010-09-14 | 2010-09-14 | Intelligent measuring and controlling device for electrical fires |
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| CN201876970U true CN201876970U (en) | 2011-06-22 |
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| CN2010205315113U Expired - Lifetime CN201876970U (en) | 2010-09-14 | 2010-09-14 | Intelligent measuring and controlling device for electrical fires |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708649A (en) * | 2012-06-12 | 2012-10-03 | 严俊辉 | Multifunctional electrical safety detector |
| CN103065418A (en) * | 2012-12-10 | 2013-04-24 | 北京博顿电气有限公司 | Single return circuit electrical fire monitoring extension with extensible functions |
| CN103077579A (en) * | 2013-01-05 | 2013-05-01 | 上海腾盛智能交通技术有限公司 | Communication protocol module equipment between tunnel fire alarm system and fiber/grating temperature-sensing detection system |
| CN103268835A (en) * | 2013-05-22 | 2013-08-28 | 中山市福瑞特科技产业有限公司 | Electrical fire monitoring and detecting device with power displaying function |
| CN103310579A (en) * | 2013-07-11 | 2013-09-18 | 安徽省电力科学研究院 | Power fire combination detection device based on ZigBee wireless communication |
| CN103439613A (en) * | 2013-09-03 | 2013-12-11 | 苏州太谷电力股份有限公司 | Electric power security integrated monitoring device and analyzing method thereof |
| CN104658163A (en) * | 2015-01-23 | 2015-05-27 | 中兴通讯股份有限公司 | Electric energy metering terminal and electrical fire monitoring method |
| WO2016070676A1 (en) * | 2014-11-05 | 2016-05-12 | 江苏省电力公司常州供电公司 | Smart electric meter capable of measuring residual current |
| CN106530582A (en) * | 2016-12-22 | 2017-03-22 | 国网山东省电力公司鄄城县供电公司 | Electrical fire monitoring device, system and method |
| CN106970277A (en) * | 2017-01-24 | 2017-07-21 | 杭州仕邦电力科技有限公司 | A kind of power monitoring system detected with temperature and electrical fire |
| CN108022397A (en) * | 2018-01-18 | 2018-05-11 | 智慧式控股有限公司 | A kind of electrical fire detecting system of controlling intelligent household appliances |
| CN114280337A (en) * | 2021-12-02 | 2022-04-05 | 珠海格力电器股份有限公司 | Single-channel multiplexing type fire monitoring detector and electrical fire monitoring system |
-
2010
- 2010-09-14 CN CN2010205315113U patent/CN201876970U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708649A (en) * | 2012-06-12 | 2012-10-03 | 严俊辉 | Multifunctional electrical safety detector |
| CN103065418A (en) * | 2012-12-10 | 2013-04-24 | 北京博顿电气有限公司 | Single return circuit electrical fire monitoring extension with extensible functions |
| CN103077579A (en) * | 2013-01-05 | 2013-05-01 | 上海腾盛智能交通技术有限公司 | Communication protocol module equipment between tunnel fire alarm system and fiber/grating temperature-sensing detection system |
| CN103268835A (en) * | 2013-05-22 | 2013-08-28 | 中山市福瑞特科技产业有限公司 | Electrical fire monitoring and detecting device with power displaying function |
| CN103310579B (en) * | 2013-07-11 | 2016-08-17 | 安徽省电力科学研究院 | Electric power fire composite detecting device based on ZigBee radio communication |
| CN103310579A (en) * | 2013-07-11 | 2013-09-18 | 安徽省电力科学研究院 | Power fire combination detection device based on ZigBee wireless communication |
| CN103439613A (en) * | 2013-09-03 | 2013-12-11 | 苏州太谷电力股份有限公司 | Electric power security integrated monitoring device and analyzing method thereof |
| WO2016070676A1 (en) * | 2014-11-05 | 2016-05-12 | 江苏省电力公司常州供电公司 | Smart electric meter capable of measuring residual current |
| CN104658163A (en) * | 2015-01-23 | 2015-05-27 | 中兴通讯股份有限公司 | Electric energy metering terminal and electrical fire monitoring method |
| WO2016115848A1 (en) * | 2015-01-23 | 2016-07-28 | 中兴通讯股份有限公司 | Electric energy metering terminal and electrical fire monitoring method |
| CN106530582A (en) * | 2016-12-22 | 2017-03-22 | 国网山东省电力公司鄄城县供电公司 | Electrical fire monitoring device, system and method |
| CN106970277A (en) * | 2017-01-24 | 2017-07-21 | 杭州仕邦电力科技有限公司 | A kind of power monitoring system detected with temperature and electrical fire |
| CN108022397A (en) * | 2018-01-18 | 2018-05-11 | 智慧式控股有限公司 | A kind of electrical fire detecting system of controlling intelligent household appliances |
| CN114280337A (en) * | 2021-12-02 | 2022-04-05 | 珠海格力电器股份有限公司 | Single-channel multiplexing type fire monitoring detector and electrical fire monitoring system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20110622 |