CN201867920U - Intelligent detection and control device for electric fires - Google Patents
Intelligent detection and control device for electric fires Download PDFInfo
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- CN201867920U CN201867920U CN2010205315128U CN201020531512U CN201867920U CN 201867920 U CN201867920 U CN 201867920U CN 2010205315128 U CN2010205315128 U CN 2010205315128U CN 201020531512 U CN201020531512 U CN 201020531512U CN 201867920 U CN201867920 U CN 201867920U
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Abstract
The embodiment of the utility model discloses an intelligent detection and control device for electric fires, which is used for detecting and preventing the electric fires. The device comprises a central processing unit, and a power module, a residual current input module, a control output module, a communication module, a human-computer interface, a clock module, a digital quantity input module and a temperature input module which are electrically connected with the central processing unit, wherein the temperature input module comprises a plurality of digital temperature sensors and an optic coupled isolator, wherein the digital temperature sensors are connected on a same datum in parallel and the optic coupled isolator is connected with the digital temperature sensors which are connected in parallel. Through the intelligent detection and control device, resources are saved and the anti-jamming capability is improved.
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, reduce the loss, control electrical fire effectively, particularly effectively control the fire that factors such as electric leakage, short circuit, overload cause, most important to fire-fighting work from now on.
The design of existing electrical intelligent fire disaster measure and control device adopts mimic channel to realize the data acquisition and the analysis of temperature.The temperature load module of this device mainly is made up of analogy signal processing units such as temp probe, wave filter, amplifiers.The temperature load module is handled the real time data of the temperature of collection, analyzes, and passes to host computer by interrupt timing then.
But, when existing electrical intelligent fire disaster measure and control device carries out the multi way temperature detection, because what the temperature load module adopted is analog signal processing method, one road analog temperature sensor will take a central processing unit (CPU, Central Processing Unit) thief hatch, the multi-channel analog temperature sensor will take the thief hatch of a plurality of CPU, like this, the temperature load module will take a large amount of hardware resources and cpu resource, equipment cost is higher, do not use isolation technology in the existing electrical fire sniffer simultaneously, the interference that very easily is subjected to, the precision and the sensitivity of influence sampling.
The utility model content
The utility model embodiment provides a kind of electrical intelligent fire disaster measure and control device, by improving the temperature load module, has saved resource, has improved the anti-interference of system simultaneously.
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, 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, the digital quantity input module that is used for the input switch signal, the temperature load module of monitoring electricity consumption line temperature situation and collecting temperature data.
In the device of the utility model embodiment, the temperature load module comprises multi-path digital temperature sensor and optical coupling isolator, the multi-path digital temperature sensor adopts mode in parallel to be connected on same the data line, and optical coupling isolator is connected with multi-path digital temperature sensor afterwards in parallel.Central processing unit and power module, residual current load module, control output module, communication module, man-machine interface, clock module, digital quantity input module, temperature load module electrically connect.
As can be seen from the above technical solutions, the utility model embodiment has the following advantages: the utility model changes analog temperature sensor into digital temperature sensor, simultaneously, digital temperature sensor adopts mode in parallel to be connected on same the data line, so only need a thief hatch just can realize the multi way temperature sampling, save resource, and between central processing unit and multi-path digital temperature sensor, be provided with optical coupling isolator, adopted isolation technology to improve the antijamming capability of system.
Description of drawings
Fig. 1 is the synoptic diagram of the basic block diagram of the utility model embodiment electrical intelligent fire disaster measure and control device;
Fig. 2 is the synoptic diagram of the utility model embodiment temperature load module circuit diagram;
Fig. 3 is the synoptic diagram of the concrete structure figure of the utility model embodiment electrical intelligent fire disaster measure and control device.
Embodiment
The utility model embodiment provides a kind of electrical intelligent fire disaster measure and control device, is used for the detection and the control of electrical fire, below is elaborated.
See also Fig. 1, the embodiment for the basic block diagram of the utility model electrical intelligent fire disaster measure and control device 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, carry out the control output module 104 of anti-fire operation according to the control signal that receives, realize communication module 105 with the host computer exchanges data, show state signal and be used for the man-machine interface 106 of artificial input control signal, the clock module 107 of demonstration time, the digital quantity input module 108 that is used for the input switch signal, the temperature load module 109 of monitoring electricity consumption line temperature situation and collecting temperature data.
In embodiment of the present utility model, the connected mode of device is: central processing unit 102 electrically connects with power module 101, residual current load module 103, control output module 104, communication module 105, man-machine interface 106, clock module 107, digital quantity input module 108, temperature load module 109.Central processing unit is the dsPIC6014A microprocessor, is the core component of device, has data analysis and processing, functions such as control signal and status signal output.
Further, the man-machine interface 106 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, residual current load module 103 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 present embodiment, power module 101 and clock module 107 are prior art, repeat no more herein.
For better understanding the utility model, below will describe in detail to the temperature load module.
See also Fig. 2, be the concrete block diagram of the temperature load module of the utility model embodiment.
The temperature load module comprises: 8 road digital temperature sensors 201～208 and optical coupling isolator 209.8 way number of words sensors 201～208 are connected on same the data line in parallel, be connected with the port BSDA of optical coupling isolator 209 again, the another port ASDA of optical coupling isolator 209 connects the port RF1 of the GPIO in the central processing unit 102, so the simulating signal of the temperature that digital temperature sensor 201～208 collects is from port RF1 input central processing unit 102.VCCGL provides the working power of 5V for optical coupling isolator 209, and optical coupling isolator 209 is the Si8400 isolator, and the port AVDD of optical coupling isolator connects power supply VCC, and port BVDD connects power supply VCCGL, port BDGN ground connection.
Concrete working method receives the temperature signal of the real-time usefulness electric line that collects of 8 road digital temperature sensors 201～208 by: central processing unit 102,102 pairs of temperature signals that receive of central processing unit are handled and are analyzed, reached threshold value of warning if find the temperature value of a certain road or multichannel electric circuit, and still be in after a period of time of presetting within the threshold value of warning scope, then by LCDs displays temperature early warning information, LED lamp and hummer are in alarm condition simultaneously, so that notify the staff timely check circuit, the generation of fire preventing.Reached alarm threshold value if find a certain road or multichannel electric circuit residual electricity flow valuve, 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 threshold value of warning, alarm threshold value and preset time be that system itself sets or in the use of device by manually setting as required, can depend on the needs in actual applications, do not limit herein.
Need to prove, the temperature load module at most can 16 way word temperature sensors in parallel, can realize 1～16 road temperature acquisition, be example only in the present embodiment with 8 way word temperature sensor parallel connections, in actual applications, the way of temperature sensor should be set according to concrete needs, not limit herein.
In the utility model embodiment, the multi-path digital temperature sensor of temperature load module adopts mode in parallel to connect, by a bus temperature signal that collects is sent in the central processing unit, when realizing multiplex temperature collection, can not take a large amount of cpu resources and hardware resource, and between the multi-path digital temperature sensor of parallel connection and central processing unit, added optical coupling isolator, adopt isolation technology, reduced interference.
For better understanding, the concrete structure figure to the utility model device is described in detail below.
See also Fig. 3, be the concrete structure figure of the electrical intelligent fire disaster measure and control device of the utility model embodiment.
In the present embodiment, power module 301, central processing unit 302, residual current module 303, man-machine interface 306, the content of describing among the embodiment of clock module 307 and Fig. 1 is identical, repeats no more herein.Temperature load module 309, and the optical coupling isolator 3091 that comprises and digital temperature sensor 3092 in parallel are identical with described content among Fig. 2 embodiment, repeat no more herein.
In the utility model embodiment, control output module 304 comprises optical coupling isolator 3041 and 3043, relay 3042 and 3044.Relay 3042 is connected with optical coupling isolator 3041, and optical coupling isolator 3041 is connected with central processing unit 302 again; Relay 3044 is connected with optical coupling isolator 3042, and optical coupling isolator 3042 is connected with central processing unit 302 again.Control output module 304 has comprised two separate circuits.Control output module 304 receives after the control signal of central processing unit 302 transmissions, and pilot relay disconnects, and to cut off circuit, guarantees Electrical Safety.
Digital quantity input module 308 is used to receive the switching signal of outside input, digital quantity input module 308 comprises optical coupling isolator 3081, digital-quantity input interface 3082 and 3083, digital-quantity input interface 3082 and 3083 is connected in parallel on the optical coupling isolator 3081, and optical coupling isolator 3081 connects central processing unit 302 again.
Communication module 305 comprises optical coupling isolator 3051 and 3052, RS485 transceiver 3053 and 3054.RS485 transceiver 3053 is connected with optical coupling isolator 3051, and optical coupling isolator 3051 is connected with central processing unit 302 again; RS485 transceiver 3054 is connected with optical coupling isolator 3052, and optical coupling isolator 3052 is connected with central processing unit 302 again.Communication module 305 has comprised two separate circuits.Communication module 306 is based on the RS485 communications protocol, and background server can receive the monitoring result of communication device 306 and device is carried out remote parameter setting and control.
Need to prove, optical coupling isolator in the utility model embodiment can be the Si8400 isolator, or the 6N137 isolator, or the isolator of other coincidence circuits requirements, the type of the required isolator of each module is determined on a case-by-case basis in actual applications, does not limit herein.
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 measure and control device provided by the present invention 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 (10)
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;
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;
The digital quantity input module that is used for the input switch signal;
The temperature load module of monitoring electricity consumption line temperature situation and collecting temperature data;
Described temperature load module comprises multi-path digital temperature sensor and optical coupling isolator;
Described multi-path digital temperature sensor adopts mode in parallel to be connected on same the data line, and described optical coupling isolator is connected with described multi-path digital temperature sensor afterwards in parallel;
Described central processing unit and described power module, residual current load module, control output module, communication module, man-machine interface, clock module, digital quantity input module, temperature load module electrically connect.
2. device according to claim 1 is characterized in that, described temperature load module comprises the digital temperature sensor that can realize 1～16 road temperature acquisition.
3. device according to claim 1 and 2 is characterized in that, described digital temperature sensor is the chip of DS18B20 model.
4. device according to claim 1 is characterized in that, described central processing unit is the dsPIC6014A microprocessor.
5. device according to claim 1 is characterized in that, described man-machine interface comprises: LCDs, pilot lamp, alarm and button.
6. device according to claim 1 is characterized in that, described residual current load module comprises residual current transformer, filtering circuit and discharge circuit;
Described residual current transformer, filtering circuit and discharge circuit are linked in sequence.
7. device according to claim 1 is characterized in that, described control output module comprises the separate circuit of two-way that relay and optical coupling isolator are formed;
Described circuit is that described relay connects the circuit that described optical coupling isolator forms.
8. device according to claim 1 is characterized in that, described digital quantity input module comprises optical coupling isolator and two digital-quantity input interface;
Be connected with described optical coupling isolator again after described two digital-quantity input interface parallel connections.
9. device according to claim 1 is characterized in that, described communication module comprises the separate circuit of two-way that RS485 transceiver and optical coupling isolator are formed;
Described circuit is that described RS485 transceiver connects the circuit that described optical coupling isolator forms.
10. device according to claim 1 is characterized in that, described optical coupling isolator is the Si8400 isolator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205315128U CN201867920U (en) | 2010-09-14 | 2010-09-14 | Intelligent detection and control device for electric fires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205315128U CN201867920U (en) | 2010-09-14 | 2010-09-14 | Intelligent detection and control device for electric fires |
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| CN201867920U true CN201867920U (en) | 2011-06-15 |
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| CN2010205315128U Expired - Lifetime CN201867920U (en) | 2010-09-14 | 2010-09-14 | Intelligent detection and control device for electric fires |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103927842A (en) * | 2013-01-14 | 2014-07-16 | 孙巍巍 | Novel electrical fire monitoring detector |
| CN104132691A (en) * | 2014-07-31 | 2014-11-05 | 国网上海市电力公司 | Operating parameter acquisition circuit of flow battery charging and discharging system |
| CN104934933A (en) * | 2014-03-21 | 2015-09-23 | 鸿富锦精密工业（深圳）有限公司 | Polyphase power supply protection circuit |
| CN108051621A (en) * | 2017-12-18 | 2018-05-18 | 中山市晓明电器实业有限公司 | A kind of composite ultraphonic ripple standing wave electric current and vector current collector |
-
2010
- 2010-09-14 CN CN2010205315128U patent/CN201867920U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103927842A (en) * | 2013-01-14 | 2014-07-16 | 孙巍巍 | Novel electrical fire monitoring detector |
| CN104934933A (en) * | 2014-03-21 | 2015-09-23 | 鸿富锦精密工业（深圳）有限公司 | Polyphase power supply protection circuit |
| CN104132691A (en) * | 2014-07-31 | 2014-11-05 | 国网上海市电力公司 | Operating parameter acquisition circuit of flow battery charging and discharging system |
| CN104132691B (en) * | 2014-07-31 | 2017-06-16 | 国网上海市电力公司 | A kind of operational factor Acquisition Circuit of flow battery charge and discharge system |
| CN108051621A (en) * | 2017-12-18 | 2018-05-18 | 中山市晓明电器实业有限公司 | A kind of composite ultraphonic ripple standing wave electric current and vector current collector |
| CN108051621B (en) * | 2017-12-18 | 2019-10-25 | 中山市晓明电器实业有限公司 | A kind of composite ultraphonic wave standing wave electric current and vector current collector |
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Granted publication date: 20110615 |
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| CX01 | Expiry of patent term |