CN101697243B - Electric fire monitoring detector and self-checking method thereof - Google Patents
Electric fire monitoring detector and self-checking method thereof Download PDFInfo
- Publication number
- CN101697243B CN101697243B CN200910210833XA CN200910210833A CN101697243B CN 101697243 B CN101697243 B CN 101697243B CN 200910210833X A CN200910210833X A CN 200910210833XA CN 200910210833 A CN200910210833 A CN 200910210833A CN 101697243 B CN101697243 B CN 101697243B
- Authority
- CN
- China
- Prior art keywords
- signal
- signal processor
- indicator lamp
- receive
- malfunction indicator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Alarm Systems (AREA)
Abstract
The invention discloses an electric fire monitoring detector and a self-checking method thereof. A timer controls an alternating current signal generator to regularly generate alternating signals; the generated alternating signals are transmitted to a current transformer which transmits the signals to an operational amplifier; the operational amplifier amplifies the signals and transmits the amplified signals to a signal processor; and the signal processor judges whether the amplified signals are regularly received or not, if so, controls a first normality indicator lamp to be on to indicate that the current transformer is normal, and if not, controls a first fault indicator lamp to be on to indicate that the current transformer is at fault. The technical scheme of the invention can detect the equipment integrity of the electric fire monitoring detector and ensure that the electric fire monitoring detector is under a good working condition.
Description
Technical field
The present invention relates to electric electric leakage and survey monitoring and applied technical field, relate in particular to a kind of detector for electric fire protection and self checking method thereof.
Background technology
Detector for electric fire protection is used for the residual current (being leakage current) of online detection AC220V/380V distribution line, when monitored current supply circuit leakage current surpasses the leakage-current alarm value, system sends the sound and light alarm signal immediately, shows the leakage current size, indication electric leakage orientation.And the serviceable condition of detector for electric fire protection self is the basic assurance of monitoring, detector for electric fire protection does not in the past have self detecting function, if the line broken string between fault or the equipment has taken place in certain part of equipment, detector for electric fire protection is cisco unity malfunction but people do not know that this has just lost the effect of detection alarm.
Summary of the invention
The objective of the invention is to propose a kind of detector for electric fire protection and self checking method thereof, can the Plant in good condition of detector for electric fire protection be detected, guarantee that detector for electric fire protection is in good working order.
For reaching this purpose, the present invention by the following technical solutions:
A kind of detector for electric fire protection, comprise timer, AC signal generator, current transformer, operational amplifier, signal processor, the first normal pilot lamp and first malfunction indicator lamp, timer wherein, AC signal generator, current transformer, operational amplifier and signal processor are linked in sequence successively, the first normal pilot lamp is connected with signal processor respectively with first malfunction indicator lamp, timer is used to control AC signal generator and regularly produces alternating signal, AC signal generator is used to produce alternating signal and sends to current transformer, operational amplifier is used to amplify the AC signal through current transformer, and the signal after will amplifying sends to signal processor, signal processor is used to judge whether regularly receive amplifying signal, and controls the first normal pilot lamp and the indication of first malfunction indicator lamp.
Also comprise pulse signal generator, the second normal pilot lamp and second malfunction indicator lamp, timer, pulse signal generator and signal processor are linked in sequence successively, the second normal pilot lamp is connected with signal processor respectively with second malfunction indicator lamp, timer also is used for the control wave generator and regularly produces pulse signal, pulse signal generator is used to produce pulse signal, and send to signal processor, signal processor also is used to judge whether regularly receive pulse signal, and controls the second normal pilot lamp and the indication of second malfunction indicator lamp.
Also comprise alarming value setting scrambler, the 3rd normal pilot lamp and the 3rd malfunction indicator lamp, timer, alarming value is set scrambler and signal processor is linked in sequence successively, the 3rd normal pilot lamp is connected with signal processor respectively with the 3rd malfunction indicator lamp, timer also is used to control alarming value setting scrambler and regularly produces duty setting signal, alarming value is set scrambler and is used to produce duty setting signal, and send to signal processor, signal processor also is used to judge whether the size regularly receiving duty setting signal and receive duty setting signal, and controls the 3rd normal pilot lamp and the 3rd malfunction indicator lamp is indicated.
Also comprise the output interface unit, the 4th normal pilot lamp and the 4th malfunction indicator lamp, the output interface unit further comprises transmitter and receiver, wherein, the transmitter of output interface unit is connected with signal processor respectively with receiver, the 4th normal pilot lamp is connected with signal processor respectively with the 4th malfunction indicator lamp, signal processor is used for the transmitter by the output interface unit, the timed sending signal is given the watch-dog of communication with it, and the receiver by the output interface unit is from watch-dog received signal regularly, and signal processor also is used to control the 4th normal pilot lamp and the 4th malfunction indicator lamp is indicated.
A kind of self checking method of detector for electric fire protection may further comprise the steps:
A, timer control AC signal generator regularly produce alternating signal;
The alternating signal of B, generation sends to current transformer, and current transformer sends to operational amplifier with signal again;
C, operational amplifier amplifying signal, and the signal after will amplifying sends to signal processor;
D, signal processor judge whether regularly to receive amplifying signal, if receive, control the first normal pilot lamp and light, and the indicator current mutual inductor is normal; If do not receive, control first malfunction indicator lamp and light, the indicator current mulual inductor malfunction.
Further comprising the steps of:
Timer control wave generator regularly produces pulse signal;
Pulse signal generator produces pulse signal, and sends to signal processor;
Signal processor judges whether regularly to receive pulse signal that if receive, the control second normal pilot lamp is lighted, and indicates working procedure normal; If do not receive, to control second malfunction indicator lamp and light, the indication working procedure is undesired.
Further comprising the steps of:
Timer control alarming value is set scrambler and is regularly produced duty setting signal;
Alarming value is set scrambler and is produced duty setting signal, and sends to signal processor;
Signal processor judges whether the size that timing is received duty setting signal and received duty setting signal, if receive, controls the 3rd normal pilot lamp and lights, and the indication value is normal; If do not receive, to control the 3rd malfunction indicator lamp and light, the indication value has fault.
Further comprising the steps of:
Signal processor is by the transmitter of output interface unit, and the timed sending signal is given the watch-dog of communication with it;
Signal processor passes through the receiver of output interface unit from watch-dog timing received signal;
Signal processor judges whether regularly to receive the signal of sending from watch-dog, if receive, controls the 4th normal pilot lamp and lights, and indication communication is normal; If do not receive, control the 4th malfunction indicator lamp and light, the indication communication failure.
Adopted technical scheme of the present invention, can self-verifying detector for electric fire protection self-operating state and the authorization state of the failure condition of D.C mutual-inductor, system's line failure condition, alarming value, can send alerting signal when breaking down, guarantee that detector for electric fire protection can monitor the electric leakage situation of distribution system in real time under intact state.
Description of drawings
Fig. 1 is the structural representation of detector for electric fire protection in the specific embodiment of the invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and by embodiment.
Fig. 1 is the structural representation of detector for electric fire protection in the specific embodiment of the invention.As shown in Figure 1, this detector for electric fire protection comprises timer 1, AC signal generator 2, current transformer 3, operational amplifier 4, signal processor 5, pulse signal generator 6, alarming value setting scrambler 7 and output interface unit 8, wherein the output interface unit further comprises transmitter 81 and receiver 82, also comprises the first normal pilot lamp 91, first malfunction indicator lamp, 92, the second normal pilot lamp 93, second malfunction indicator lamp the 94, the 3rd normal pilot lamp 95, the 3rd malfunction indicator lamp the 96, the 4th normal pilot lamp 97 and the 4th malfunction indicator lamp 98.
Timer, AC signal generator, current transformer, operational amplifier and signal processor are linked in sequence successively, the first normal pilot lamp is connected with signal processor respectively with first malfunction indicator lamp, timer control AC signal generator regularly produces alternating signal, AC signal generator produces alternating signal and sends to current transformer, operational amplifier amplifies the AC signal through current transformer, and the signal after will amplifying sends to signal processor, signal processor judges whether regularly to receive amplifying signal, and controls the first normal pilot lamp and the indication of first malfunction indicator lamp.
Timer, pulse signal generator and signal processor are linked in sequence successively, the second normal pilot lamp is connected with signal processor respectively with second malfunction indicator lamp, timer control wave generator regularly produces pulse signal, pulse signal generator produces pulse signal, and send to signal processor, signal processor judges whether regularly to receive pulse signal, and controls the second normal pilot lamp and the indication of second malfunction indicator lamp.
Timer, alarming value set scrambler and signal processor is linked in sequence successively, the 3rd normal pilot lamp is connected with signal processor respectively with the 3rd malfunction indicator lamp, timer control alarming value is set scrambler and is regularly produced duty setting signal, alarming value is set scrambler and is produced duty setting signal, and send to signal processor, signal processor judges whether the size that timing is received duty setting signal and received duty setting signal, and controls the 3rd normal pilot lamp and the indication of the 3rd malfunction indicator lamp.
The transmitter of output interface unit is connected with signal processor respectively with receiver, the 4th normal pilot lamp is connected with signal processor respectively with the 4th malfunction indicator lamp, signal processor is by the transmitter of output interface unit, the timed sending signal is given the watch-dog of communication with it, and the receiver by the output interface unit is from watch-dog received signal regularly, and signal processor controls the 4th normal pilot lamp and the 4th malfunction indicator lamp is indicated.
In order obviously to distinguish normal and fault, all normal pilot lamp can be designed as green indicating lamp, and all malfunction indicator lamp can be designed as yellow indicator lamp.
Describe the self check flow process of detector for electric fire protection below in detail:
Timer control AC signal generator regularly produces the 50Hz sinusoidal signal of an alternation, periodically sent one group of signal in per 0.5 second to signal path, signal is through current transformer, pass through arriving signal processor after the amplification of operational amplifier again, signal processor judges whether regularly to receive amplifying signal, if receive, the control first normal pilot lamp (green indicating lamp) is lighted, the indicator current mutual inductor is normal, if do not receive, control first malfunction indicator lamp (yellow indicator lamp) and light, indicator current mulual inductor malfunction, possible current transformer damage or broken string.
Timer also compartment of terrain control wave generator regularly sends pulse signal, pulse signal arriving signal processor, signal processor judge whether regularly to receive pulse signal, if receive, the control second normal pilot lamp (green indicating lamp) is lighted, and the indication working procedure is normal; If do not receive, to control second malfunction indicator lamp (yellow indicator lamp) and light, the indication working procedure is undesired.
Timer also compartment of terrain control alarming value setting scrambler regularly produces three alarm setting values, signal processor is given in duty setting signal timed sending in per 0.5 second, signal processor judges whether the size that timing is received duty setting signal and received duty setting signal, if receive, control the 3rd normal pilot lamp (green indicating lamp) and light, the indication value is normal; If do not receive, to control the 3rd malfunction indicator lamp (yellow indicator lamp) and light, the indication value has fault.
In addition, signal processor also regularly passes through the transmitter of 485 output interface unit one group of signal of watch-dog timed sending to communication with it, receiver by 485 output interface unit regularly receives the signal that the other side's biography is come again, signal processor judges whether regularly to receive signal, if receive, control the 4th normal pilot lamp (green indicating lamp) and light, indication communication is normal; If do not receive, control the 4th malfunction indicator lamp (yellow indicator lamp) and light, the indication communication failure.
Under the self check state, signal processor according to four kinds of signals judge respectively whether mutual inductor exist whether fault, running status have that fault, alarm setting value set whether effectively and communication whether fault is arranged.During non-fault, show green, show yellow when fault is arranged, can know the fault state of detector itself thus clearly, under serviceable condition, move with assurance equipment.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (2)
1. detector for electric fire protection, it is characterized in that, comprise timer, AC signal generator, current transformer, operational amplifier, signal processor, the first normal pilot lamp, first malfunction indicator lamp, pulse signal generator, the second normal pilot lamp, second malfunction indicator lamp, alarming value is set scrambler, the 3rd normal pilot lamp, the 3rd malfunction indicator lamp, the output interface unit, the 4th normal pilot lamp and the 4th malfunction indicator lamp, timer wherein, AC signal generator, current transformer, operational amplifier and signal processor are linked in sequence successively, the first normal pilot lamp is connected with signal processor respectively with first malfunction indicator lamp, timer is used to control AC signal generator and regularly produces alternating signal, AC signal generator is used to produce alternating signal and sends to current transformer, operational amplifier is used to amplify the AC signal through current transformer, and the signal after will amplifying sends to signal processor, signal processor is used to judge whether regularly receive amplifying signal, and controls the first normal pilot lamp and the indication of first malfunction indicator lamp;
Timer, pulse signal generator and signal processor are linked in sequence successively, the second normal pilot lamp is connected with signal processor respectively with second malfunction indicator lamp, timer also is used for the control wave generator and regularly produces pulse signal, pulse signal generator is used to produce pulse signal, and send to signal processor, signal processor also is used to judge whether regularly receive pulse signal, and controls the second normal pilot lamp and the indication of second malfunction indicator lamp;
Timer, alarming value set scrambler and signal processor is linked in sequence successively, the 3rd normal pilot lamp is connected with signal processor respectively with the 3rd malfunction indicator lamp, timer also is used to control alarming value setting scrambler and regularly produces duty setting signal, alarming value is set scrambler and is used to produce duty setting signal, and send to signal processor, signal processor also is used to judge whether the size regularly receiving duty setting signal and receive duty setting signal, and controls the 3rd normal pilot lamp and the 3rd malfunction indicator lamp is indicated;
The output interface unit further comprises transmitter and receiver, wherein, the transmitter of output interface unit is connected with signal processor respectively with receiver, the 4th normal pilot lamp is connected with signal processor respectively with the 4th malfunction indicator lamp, signal processor is used for the transmitter by the output interface unit, the timed sending signal is given the watch-dog of communication with it, and the receiver by the output interface unit is from watch-dog received signal regularly, and signal processor also is used to control the 4th normal pilot lamp and the 4th malfunction indicator lamp is indicated.
2. the self checking method of a detector for electric fire protection is characterized in that, may further comprise the steps:
Timer control AC signal generator regularly produces alternating signal;
The alternating signal that produces sends to current transformer, and current transformer sends to operational amplifier with signal again;
The operational amplifier amplifying signal, and the signal after will amplifying sends to signal processor;
Signal processor judges whether regularly to receive amplifying signal, if receive, controls the first normal pilot lamp and lights, and the indicator current mutual inductor is normal; If do not receive, control first malfunction indicator lamp and light, the indicator current mulual inductor malfunction;
Timer control wave generator regularly produces pulse signal;
Pulse signal generator produces pulse signal, and sends to signal processor;
Signal processor judges whether regularly to receive pulse signal that if receive, the control second normal pilot lamp is lighted, and indicates working procedure normal; If do not receive, to control second malfunction indicator lamp and light, the indication working procedure is undesired;
Timer control alarming value is set scrambler and is regularly produced duty setting signal;
Alarming value is set scrambler and is produced duty setting signal, and sends to signal processor;
Signal processor judges whether the size that timing is received duty setting signal and received duty setting signal, if receive, controls the 3rd normal pilot lamp and lights, and the indication value is normal; If do not receive, to control the 3rd malfunction indicator lamp and light, the indication value has fault;
Signal processor is by the transmitter of output interface unit, and the timed sending signal is given the watch-dog of communication with it;
Signal processor passes through the receiver of output interface unit from watch-dog timing received signal;
Signal processor judges whether regularly to receive the signal of sending from watch-dog, if receive, controls the 4th normal pilot lamp and lights, and indication communication is normal; If do not receive, control the 4th malfunction indicator lamp and light, the indication communication failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910210833XA CN101697243B (en) | 2009-11-11 | 2009-11-11 | Electric fire monitoring detector and self-checking method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910210833XA CN101697243B (en) | 2009-11-11 | 2009-11-11 | Electric fire monitoring detector and self-checking method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101697243A CN101697243A (en) | 2010-04-21 |
| CN101697243B true CN101697243B (en) | 2011-06-22 |
Family
ID=42142346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910210833XA Expired - Fee Related CN101697243B (en) | 2009-11-11 | 2009-11-11 | Electric fire monitoring detector and self-checking method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101697243B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208127B (en) * | 2010-12-28 | 2013-07-10 | 邓韶昌 | Intrusion alarm system with self-checking function |
| CN104700547B (en) * | 2014-07-11 | 2017-08-25 | 成都飞亚航空设备应用研究所有限公司 | A kind of fire alarm prior-warning device for aircraft engine |
| CN104122810A (en) * | 2014-07-11 | 2014-10-29 | 成都飞亚航空设备应用研究所有限公司 | Controlling method of aircraft engine fire detection apparatus |
| CN104867293B (en) * | 2015-04-09 | 2017-04-19 | 中广核核电运营有限公司 | Non-intelligent fire alarm detector fault detection method and system |
| US9984557B2 (en) * | 2016-03-24 | 2018-05-29 | Honeywell International Inc. | Systems and methods of increasing the efficiency and accuracy of a walk test in a fire alarm system |
| CN107345991A (en) * | 2016-05-06 | 2017-11-14 | 哈尔滨飞机工业集团有限责任公司 | A kind of windscreen wiper systems modelling device |
| CN106023505A (en) * | 2016-07-14 | 2016-10-12 | 苏州太阳都信息科技有限公司 | Fire-fighting information transmission system with electric leakage detection function |
| CN112530038A (en) * | 2020-11-11 | 2021-03-19 | 国网山东省电力公司烟台供电公司 | Power grid dispatching operation shift auxiliary device |
-
2009
- 2009-11-11 CN CN200910210833XA patent/CN101697243B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101697243A (en) | 2010-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101697243B (en) | Electric fire monitoring detector and self-checking method thereof | |
| CN106291201B (en) | Lightning monitoring and degradation state monitoring system and method for lightning protection box | |
| CN103890384B (en) | For the method controlling wind energy plant | |
| US7246036B2 (en) | Remote monitor for steam traps | |
| CN201156284Y (en) | Electric fire monitoring detector | |
| CN106026033B (en) | A kind of capacitor box on-line monitoring automatic safety device and its working method | |
| CN105701955A (en) | Electrical fire monitoring detection system and method | |
| CN104794846A (en) | Locomotive fire safety management and control intellectualized system and locomotive fire safety management and control intellectualized method based on internet of things | |
| CA2336273A1 (en) | Method and apparatus for light outage detection | |
| CN203929969U (en) | Arc fault detection device | |
| CN103077588A (en) | Gas leakage alarm monitoring device | |
| CN203165163U (en) | A fire-fighting emergency evacuation indicating light containing a self-checking function and an autonomous communication function | |
| CN109444675A (en) | Transmission line malfunction monitors system | |
| CN104375069A (en) | 240V high-voltage direct current insulation monitoring system | |
| CN106781199A (en) | A kind of electrical fire monitor | |
| CN102673610A (en) | Railway disaster-preventing foreign body invasion-limiting monitoring system | |
| CN205722283U (en) | A kind of electric fire disaster monitoring detection system | |
| CN101750148A (en) | On-line monitoring and positioning method for temperature of junction plates of pole coil of rotor of electric generator | |
| CN105865532A (en) | Monitoring and alarming system for transformer substation secondary system TMOV lightning arrester main board | |
| CN201540626U (en) | Electrical fire monitoring detector | |
| CN107918084A (en) | Condition Monitoring of Power System Equipment device | |
| CN106802622A (en) | Fire-fighting equipment power supply smart comprehensive monitoring system based on bus structures | |
| CN109962446A (en) | Safety utilization of electric power intelligent protection device | |
| CN102570439A (en) | Built-in detection device of surge protector | |
| CN109383483A (en) | A method of detection electric locomotive brake-cylinder pressure is abnormal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20100421 Assignee: BEIJING AEROSPACE CHANGXING TECHNOLOGY DEVELOPMENT CO.,LTD. Assignor: Wang Dekun Contract record no.: 2014990000376 Denomination of invention: Electric fire monitoring detector and self-checking method thereof Granted publication date: 20110622 License type: Exclusive License Record date: 20140605 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20211111 |