CN103179744A - Integrated circuit for fire emergency lighting control - Google Patents
Integrated circuit for fire emergency lighting control Download PDFInfo
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- CN103179744A CN103179744A CN2012104505006A CN201210450500A CN103179744A CN 103179744 A CN103179744 A CN 103179744A CN 2012104505006 A CN2012104505006 A CN 2012104505006A CN 201210450500 A CN201210450500 A CN 201210450500A CN 103179744 A CN103179744 A CN 103179744A
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Abstract
The invention discloses an integrated circuit for fire emergency lighting control, and relates to the technical field of fire emergencies, in particular to an integrated circuit capable of controlling self-checking maintenance of emergency lamps. The method includes that the integrated circuit comprises a logic controller, a mains voltage detection comparator, a battery voltage detection comparator, a batter short circuit protection circuit, a battery open circuit detection comparator, a lighting lamp detection comparator and an inner clock circuit; the logic controller comprises a charging control module, a discharging control module, an alarm indicator module, timers, a current control module, a working test module and a battery discharging test and testing module and a battery voltage management module; the timers include a 30-day timer and a 360-day timer; and regular self-checking is realized. The integrated circuit for the fire emergency lighting control is high in integration level and fully functional in test and maintenance.
Description
Technical field
Integrated circuit of the present invention relates to the fire-fighting emergent technical field, is a kind of control circuit for fire emergency lamp specifically.
Background technology
Fire emergency lamp is in the infrastructure such as airport, station, hospital, factory, office building, market and industrial business facility, and all by a large amount of application, to guarantee the fail safe of these public places, for this reason, country has also formulated unified standard to emergency light.The fast development of emergency-lighting system and high performance requirements impel the control circuit of emergency light will complete more function.The most emergency light adopts discrete component or builds formation in conjunction with simple integrated circuit, quiescent dissipation is high, function is also relatively simple, also having some control circuits is mainly to have utilized integrated circuit to coordinate simple external circuit to consist of, overcome the high defective of quiescent dissipation, and function is also relatively many, but these circuit following defective of ubiquity still: the function that 1, lacks monthly test voluntarily, annual test and safeguard voluntarily, the time has been grown and has had potential safety hazard; 2, the conversion of civil power power down emergency light the flicker problem occurs at moment, affects the life-span of emergency light light source.
The content of invention
Task of the present invention is to solve the defects that exists in prior art, and a kind of realize monthly test voluntarily, annual test are provided, and the Based Intelligent Control integrated circuit that is used for fire emergency lamp that can safeguard voluntarily.Further purpose of the present invention is to provide a kind of civil power power down emergency light of can eliminating and changes the intelligence control circuit that the anti-emergency light of flicker problem appears in moment.
Technological means: the invention discloses a kind of intelligence control circuit for emergency light, this Based Intelligent Control integrated circuit comprises logic controller, line voltage detection comparator, battery voltage detection comparator, battery short circuit protective circuit, battery open circuit detection comparator, lighting detection comparator and internal clock circuit, wherein: the positive input terminal of line voltage detection comparator connects civil power by external circuit, its negative input end input first reference voltage, its output andlogic control device connects; The positive input terminal of battery voltage detection comparator connects battery by external circuit, its negative input end input second reference voltage, and its output andlogic control device connects, and cross-over connection has the battery short circuit protective circuit between its positive input terminal and output; Negative input end input the 3rd reference voltage of battery open circuit detection comparator, its output andlogic control device connects, its positive input terminal is connected with the anodal one-way conduction of battery by external circuit, the not conducting of positive input terminal of anode and this comparator when battery discharge; The positive input terminal of lighting detection comparator is connected with the input of lighting by external circuit, its negative input end input the 4th reference voltage; Two inputs of internal clock circuit connect outside oscillating circuit, and its output andlogic control device connects; The inside of logic controller is provided with charge control module, control of discharge module, warning indicating module and timer, wherein charge control module connects switching circuit between civil power and battery by external circuit, the control of discharge module connects switching circuit between battery and lighting by external circuit, and timer comprises 30 days timers and 360 days timers.
Logic controller also comprises civil power instant cut-off time delay module.
Logic controller also comprises the current control module for control battery charge size, and this module connects one by external circuit and is arranged on the switching circuit of controlling electric current between civil power and battery.
The warning indicating module also is provided with voice alarm circuit, and described lighting detection comparator is provided with two groups.
Logic controller also comprises work test and battery discharge test and detection module, and this work test is connected with battery discharge and detection module is connected with infrared signal receiver by external circuit, and controls its work by infrared signal.
Logic controller also comprises be used to the cell voltage administration module of closing battery supply, should be connected with hand switch by external circuit for the cell voltage administration module of closing battery supply.
Beneficial effect: the present invention can control that emergency light carries out carrying out in 30 days and 360 days self check and discharge is safeguarded, can simulate by infrared control or by key control manually also that the civil power power down circumstances detects system and the maintenance of discharging; Eliminate the scintillation that occurs in civil power outage moment emergency light work conversion by time delay module, effectively extend the useful life of light fixture.
Description of drawings
Fig. 1 is circuit diagram of the present invention;
Fig. 2 is the circuit theory diagrams that used circuit of the present invention.
Embodiment
as Fig. 1, shown in Figure 2, be this Based Intelligent Control IC interior structural representation that is used for fire emergency lamp in the dotted line frame in figure, this Based Intelligent Control integrated circuit comprises logic controller 1, line voltage detection comparator 2, battery voltage detection comparator 3, battery short circuit protective circuit 4, battery open circuit detection comparator 5, lighting detection comparator 6 and internal clock circuit 7, wherein: whether line voltage detection comparator 2 is normal for detection of civil power, its positive input terminal is that this chip connects the pin of civil power VCC by external circuit, its negative input end input the first reference voltage V refl, its output andlogic control device 2 connects, whether battery voltage detection comparator 3 is normal for detection of cell voltage, and its positive input terminal is that this chip connects the pin of battery VB by external circuit, its negative input end input the second reference voltage V ref2, and its output andlogic control device 1 connects, cross-over connection has battery short circuit protective circuit 4 between the positive input terminal of battery voltage detection comparator 3 and output, battery open circuit detection comparator 5 is for detection of the charged state of battery, its negative input end input the 3rd reference voltage V ref3, its output andlogic control device 1 connects, its positive input terminal is the pin that this chip is connected with the anodal one-way conduction of battery by external circuit, anode and the not conducting of this pin when battery discharge, the positive input terminal of lighting detection comparator 6 pin that to be this chip be connected with L2 by external circuit and lighting L1, its negative input end input the 4th reference voltage, usually the lighting detection comparator can be made as two groups, detect respectively different lighting apparatus, internal clock circuit 7 output andlogic control devices 1 connect.
The inside of logic controller is provided with charge control module, control of discharge module, warning indicating module and timer, wherein charge control module connects switching circuit between civil power and battery by external circuit, the control of discharge module connects switching circuit between battery and lighting by external circuit, and timer comprises 30 days timers and 360 days timers; Logic controller also comprises civil power instant cut-off time delay module, its objective is when the civil power power down, starts lighting by certain time-delay, prevents flicker, extends light fixture useful life; Logic controller also comprises the current control module for control battery charge size, and this module connects one by external circuit and is arranged on the switching circuit of controlling electric current between civil power and battery, and the warning indicating module is connected with outside warning circuit; Logic controller also comprises work test and battery discharge test and detection module, work test and battery discharge test and detection module can be carried out the detection maintenance task voluntarily, also can be connected with infrared signal receiver through external circuit, and control its work by infrared signal; Logic controller also comprises be used to the cell voltage administration module of closing battery supply, when cell voltage is too low, but this module autoshutdown battery supply, it also is connected with hand switch, can think and close battery supply.
This Based Intelligent Control integrated circuit that is used for fire emergency lamp can be controlled fire emergency lamp and carry out 30 days and self check in 360 days, in the time of the every timing to 30 of timer of logic controller inside day and 360 days, work test and battery discharge test and detection module can send self-test signal, and system simulation is had a power failure and whether discharging and recharging with lighting of battery is normally detected and safeguarded.The key switch that above-mentioned task also can be manually arranges by external circuit or carry out by infrared signal.
Each functions of modules of all the other of logic controller is as follows: charge control module judges according to the output valve of battery voltage detection comparator whether cell voltage is enough, if undertension, the switching circuit of controlling between civil power and battery is closed, and battery charges; Discharge module judges whether the civil power power down according to the output valve of line voltage detection comparator, and controls the switching circuit folding between lighting and battery; The warning indicating module is directly drawn pin by logic controller, and whether main display lighting lamp failure situation, civil power have a few and the connection voice alarm circuit; Current control module obtains battery voltage information and controls the size of charging current by unlike signal, the external circuit that for example uses in the present embodiment is a positive-negative-positive triode, being large current charge during the current control module output low level, is trickle charge during the output high level.
Claims (9)
1. Based Intelligent Control integrated circuit that is used for fire emergency and exit signs, it is characterized in that: described Based Intelligent Control integrated circuit comprises logic controller, the line voltage detection comparator, the battery voltage detection comparator, the battery short circuit protective circuit, battery open circuit detection comparator, lighting detection comparator and interior RC oscillator, crystal oscillating circuit, clock circuit, the voltage baseband circuit, button and test circuit, faulty indication and drive circuit, signal test circuit, 8 seconds power failure timing protective circuits, select circuit (12/15 hour) during chargometer, numeral REST circuit.Wherein: the positive input terminal of line voltage detection comparator connects civil power by external circuit, its negative input end input first reference voltage (1.45V), and its output andlogic control device connects; The positive input terminal of battery voltage detection comparator connects battery by external circuit, its negative input end input second reference voltage (0.9V), its output andlogic control device connects, and cross-over connection has described battery short circuit protective circuit between its positive input terminal and output; Negative input end input the 3rd reference voltage (0.3V) of battery open circuit detection comparator, its output andlogic control device connects, its positive input terminal is connected with the anodal one-way conduction of battery by external circuit, the not conducting of positive input terminal of anode and this comparator when battery discharge; The positive input terminal of lighting detection comparator is connected with lighting by external circuit, its negative input end input the 4th reference voltage (1.8V); The output andlogic control device of internal clock circuit connects; The inside of logic controller is provided with charge control module, control of discharge module, warning indicating module and timer, wherein charge control module connects electronic switching circuit between civil power and battery by external circuit, the control of discharge module connects electronic switching circuit between battery and lighting by external circuit, and timer comprises timing in 48 hours, 30 days timers and 360 days timers; The RC oscillator refers to that inside contains the oscillating circuit with resistance and electric capacity formation; Crystal oscillating circuit refers to the circuit with external 32768Hz crystal oscillator vibration clocking; The voltage baseband circuit refers to the input of voltage, export four voltage: 1.8V, 1.45V, 0.9V, 0.3V respectively to the reference voltage circuit of other comparators; Button and test circuit refer to open, close, test, simulate the circuit of power failure function; When power failure timing protective circuit referred to provide system's alternating current not have in 8 seconds, the circuit of (can provide alternating current in 8 seconds, do cumulative during the battery chargometer) during more again to the battery chargometer after this circuit can be delayed time 8 seconds; Select circuit (12/15 hour) to refer to that battery master charging is had 12 hours circuit with selection in 15 hours during chargometer; The numeral REST circuit circuit to digital circuit reset that refers to power on.
2. the Based Intelligent Control integrated circuit for fire emergency lamp and exit signs according to claim 1 is characterized in that: described Based Intelligent Control integrated circuit also comprises civil power instant cut-off delay circuit.
3. the Based Intelligent Control integrated circuit for fire emergency lamp and exit signs according to claim 1 is characterized in that: described logic controller also comprises the current control module for control battery charge size, and this module connects one by external circuit and is arranged on the switching circuit of controlling electric current between civil power and battery.
4. according to claim 1ly it is characterized in that with the Based Intelligent Control integrated circuit of exit signs for fire emergency lamp: described warning indicating module is connected with the external alert circuit, and described lighting detection comparator is provided with two groups.
5. the Based Intelligent Control integrated circuit for fire emergency lamp and exit signs according to claim 1 is characterized in that: described logic controller also comprises work test and battery discharge test and detection module.
6. according to claim 5ly it is characterized in that with the Based Intelligent Control integrated circuit of exit signs for fire emergency lamp: described work test is connected with battery discharge and detection module is connected with infrared signal receiver by external circuit, and controls its work by infrared signal.
7. the Based Intelligent Control integrated circuit for fire emergency lamp and exit signs according to claim 1 is characterized in that: described logic controller also comprises be used to the cell voltage administration module of closing battery supply.
8. the Based Intelligent Control integrated circuit for fire emergency lamp and exit signs according to claim 1 is characterized in that the management to battery, comprises timing in 48 hours, 30 days timers and 360 days timers and its timing discharging.Regularly discharged 60 seconds in wherein 48 hours, 30 days, regularly discharged 2100 seconds in 360 days.
9. the Based Intelligent Control integrated circuit for fire emergency lamp according to claim 7 is characterized in that: described cell voltage administration module be used to closing battery supply is connected with hand switch by external circuit.
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CN2012104505006A CN103179744A (en) | 2012-11-05 | 2012-11-05 | Integrated circuit for fire emergency lighting control |
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CN2012104505006A CN103179744A (en) | 2012-11-05 | 2012-11-05 | Integrated circuit for fire emergency lighting control |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106211525A (en) * | 2016-07-26 | 2016-12-07 | 合肥联信电源有限公司 | A kind of intelligent emergent illumination indicating lamp for emergency and working method thereof |
CN110461074A (en) * | 2019-07-17 | 2019-11-15 | 深圳依炮尔科技有限公司 | A kind of emergency light detects multi-mode switching system, method and emergency light automatically |
CN111278196A (en) * | 2019-10-14 | 2020-06-12 | 深圳市紫光新能源技术有限公司 | Tunnel emergency lamp detection control method and system |
CN111600373A (en) * | 2019-02-20 | 2020-08-28 | 江苏师范大学 | Charging operation method for specific LED emergency lamp |
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CN2686187Y (en) * | 2003-12-17 | 2005-03-16 | 汪宗纯 | Emergency lamp control circuit |
CN2702510Y (en) * | 2004-02-17 | 2005-05-25 | 王绍先 | Fire-fighting emergency lamp control circuit |
CN2899378Y (en) * | 2006-05-19 | 2007-05-09 | 无锡博创微电子有限公司 | Emergent illuminator by intelligent-controlled chip |
CN101783527A (en) * | 2010-03-19 | 2010-07-21 | 哈尔滨工业大学(威海) | Fire emergency lighting power supply having self-checking function |
CN202110763U (en) * | 2010-11-11 | 2012-01-11 | 洪冲祥 | Evacuating indicating light with functions of self checking and emergency lighting |
CN202496102U (en) * | 2012-03-28 | 2012-10-17 | 惠州市经典照明电器有限公司 | Emergency lamp with self-checking function |
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2012
- 2012-11-05 CN CN2012104505006A patent/CN103179744A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2686187Y (en) * | 2003-12-17 | 2005-03-16 | 汪宗纯 | Emergency lamp control circuit |
CN2702510Y (en) * | 2004-02-17 | 2005-05-25 | 王绍先 | Fire-fighting emergency lamp control circuit |
CN2899378Y (en) * | 2006-05-19 | 2007-05-09 | 无锡博创微电子有限公司 | Emergent illuminator by intelligent-controlled chip |
CN101783527A (en) * | 2010-03-19 | 2010-07-21 | 哈尔滨工业大学(威海) | Fire emergency lighting power supply having self-checking function |
CN202110763U (en) * | 2010-11-11 | 2012-01-11 | 洪冲祥 | Evacuating indicating light with functions of self checking and emergency lighting |
CN202496102U (en) * | 2012-03-28 | 2012-10-17 | 惠州市经典照明电器有限公司 | Emergency lamp with self-checking function |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106211525A (en) * | 2016-07-26 | 2016-12-07 | 合肥联信电源有限公司 | A kind of intelligent emergent illumination indicating lamp for emergency and working method thereof |
CN106211525B (en) * | 2016-07-26 | 2020-02-18 | 合肥联信电源有限公司 | Intelligent emergency lighting evacuation indicator lamp and working mode thereof |
CN111600373A (en) * | 2019-02-20 | 2020-08-28 | 江苏师范大学 | Charging operation method for specific LED emergency lamp |
CN110461074A (en) * | 2019-07-17 | 2019-11-15 | 深圳依炮尔科技有限公司 | A kind of emergency light detects multi-mode switching system, method and emergency light automatically |
CN110461074B (en) * | 2019-07-17 | 2022-01-14 | 深圳依炮尔科技有限公司 | Emergency lamp automatic detection multi-mode switching system and method and emergency lamp |
CN111278196A (en) * | 2019-10-14 | 2020-06-12 | 深圳市紫光新能源技术有限公司 | Tunnel emergency lamp detection control method and system |
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Application publication date: 20130626 |