CN2694395Y - Safe low pressure emergency lighting electronic equipment with fire/theft alarm monitoring function - Google Patents
Safe low pressure emergency lighting electronic equipment with fire/theft alarm monitoring function Download PDFInfo
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- CN2694395Y CN2694395Y CN 200420034295 CN200420034295U CN2694395Y CN 2694395 Y CN2694395 Y CN 2694395Y CN 200420034295 CN200420034295 CN 200420034295 CN 200420034295 U CN200420034295 U CN 200420034295U CN 2694395 Y CN2694395 Y CN 2694395Y
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Abstract
The utility model discloses a safe low pressure emergency lighting electronic device with fire/theft alarm monitoring function; the utility model is characterized in that the electronic device is composed of an alternating current power failure monitoring and changeover circuit (105), a battery charging and anti over-charging circuit(102), a fire smoke monitoring circuit(201), a combined thief condition monitoring circuit(301), a low-voltage emergency lighting circuit (106), a direct current low-voltage exhaust fan (203), a speech recording and reproducing circuit module (107, 202), a wireless encode remote control component(204, 205), a small power wireless emissive and reception module(206, 207), etc.; when the alternating current supplying is cut off and the phenomena of fire warning or thief warning occurs, the utility model can be automatically changed into the state of secure low-voltage emergency lighting, and simultaneously, the corresponding voice cast, the wireless transmitting circuit, and the low-voltage exhaust fan are enabled at the same time. The thief condition can be monitored with both microwave human body displacement detection and thermoelectric infrared human body displacement detection, which enhances the precision of warning. The utility model has multiple functions such as high reliability and strong practicability.
Description
Technical field
The utility model belongs to emergency lighting device and monitoring alarm field, is specifically related to a kind of dc low-voltage automatic emergency lighting and fire, robber's feelings automatic monitoring alarm device.Be that a kind of alternating current power failure in a single day that is installed in the public place transfers the low pressure emergency lighting at once automatically to, the alternating current incoming call stops emergency lighting automatically.Device of the present utility model also has fire concurrently, steals the function of feelings automatic monitoring alarm.
Background technology
" it is precious to have a power failure " adopted in emergency lighting more on the market at present, it is the accumulator jar dc low-voltage to be reverse into the alternating current 220V high pressure use for illuminator, majority all needs manually to disconnect AC power after power failure, open " it is precious to have a power failure " power supply again, delay of response, and high pressure emergency lighting, when if chance fire, floods, earthquake etc. are unexpected, electric wire break fall and each electrical appliance to the masses and disaster relief personnel Yi Zaocheng electric shock life-threatening, therefore the outage of often need operating a switch again during the disaster relief has lost the effect of emergency lighting at crucial moment.And universal functionality is single.
Patent documentation open (bulletin) number relates to the telephone communication system that makes up with fire, police, theft or other warning systems for the patented technology that CN2286945, utility model name are called " automatic telephone dialing alarm and emergency lighting device ", have functions such as sound and light alarm, automatic dialing alarm, emergency lighting, but do not possess the on-the-spot functions such as fire hazard aerosol fog, voice broadcast service remote control force start fire alarm discharge fire hazard aerosol fog of discharging.
Summary of the invention
The purpose of this utility model provides a kind of safe low pressure emergency lighting electronic installation with fire, theft alarm automatic monitoring alarm function.
The utility model is made up of observation circuit, control circuit, warning circuit, four parts of executive circuit, and observation circuit comprises: AC outage observation circuit and change-over circuit, fire monitoring circuit, combined type are stolen the feelings observation circuit.Its AC outage observation circuit and change-over circuit are by relay K 1 that is connected in parallel on the bridge rectifier circuit output terminal and the normally closed contact K that removes to control voice broadcast circuit, low pressure emergency light
1-2, K
1-1Form; The fire hazard aerosol fog observation circuit is by ion smoke transducer UD02 and special IC IC
1Reach filtering circuit resistance R to electronic switch output control signal
14, capacitor C
10, capacitor C
11Form; Combined type is stolen the feelings observation circuit and by microwave induced people's displacement body probe assembly WB and rpyroelectric infrared people displacement body probe assembly HD both output terminals is connected to by Sheffer stroke gate A
1, A
2Two input ends of the AND circuit of forming are formed; Control circuit is by switching tube V
6, relay K
2The electronic switch of forming removes controlling fires warning circuit, low pressure exhaust fan M, low-voltage lighting HL; By switching tube V
9, relay K
3The electronic switch of forming goes control to steal the alert circuit of information, low-voltage lighting, control circuit also is included in the wireless encoding remote control module of force start fire alarm and vent fan work in particular cases, contains transmitter YF, receiver YJ, and the output terminal of receiver is through the resistance R of series connection
28Command signal is delivered to electronic switching tube V
6Base stage; Warning circuit reaches the LF self-oscillation circuit, the police car sound generation circuit, 9561 that the recording playback module are triggered playback, power amplifier IC by voice recording-reproducing assembly LFI, LFII
3Form with the loudspeaker B that is connected with the power amplifier output terminal, low-power wireless emission, receiver module FS, JS; Executive circuit comprises dc low-voltage emergency lighting circuit for lamp, dc low-voltage vent fan.
The transformation rectification circuit becomes the 27V Rectified alternating current with 220V alternating current step-down rectifier, and this voltage is leaded up to charging circuit that thyristor SCR forms to accumulator G charging, wherein also is provided with anti-overcharge circuit.Monitor signal is made for alternating current monitoring and change-over circuit in another road, passes through relay K according to having or not of this signal
1Whether control power failure voice recording-reproducing assembly, power amplifier, low pressure emergency lighting circuit respectively works.Direct current regulation circuit, it exports 12V, 9V, 6V direct supply after with battery feed step-down, voltage stabilizing respectively for interlock circuit work.The fire monitoring circuit converts the fire hazard aerosol fog that monitors to electric signal by triode V
6, relay K
2Simultaneously work respectively by controlling fires voice recording-reproducing assembly, power amplifier, low-power wireless transmitter module, low pressure emergency lighting circuit, dc low-voltage vent fan for the electronic switch of forming.Send relevant chimes of doom after operator on duty's low-power wireless receiver module is at one's side received this signal, can make the person on duty take further step.Under special circumstances, the "start" button A that the person on duty also can press the remote control transmitter in the key ring formula wireless encoding remote control module on one's body sends enabled instruction, and receiver of remote-control sytem still passes through V from output terminal with " startup " signal after receiving command signal
6, K
2The electronic switch of forming goes controlling fires warning circuit, dc low-voltage vent fan, low pressure emergency lighting circuit to work simultaneously.Combined type robber feelings observation circuit will be stolen the feelings conversion of signals and become electric signal to pass through by V
9, relay K
3The electronic switch of forming, the one tunnel removes to control police car sound produces circuit, power amplifier, the work of low-power wireless transmitter module.Produce theft alarm broadcasting and the emission of theft alarm signal; Another road control low pressure emergency lighting circuit is worked simultaneously.The trigger pip that the LF self-oscillation circuit produces is delivered to the trigger end of voice recording-reproducing assembly respectively, and the related voice of prerecording is exported repeatedly.
All work below the dc low-voltage (24V) of safety of each several part circuit of the present utility model, collection emergency lighting, charging, fire, robber's feelings are monitored automatically, warning, exhaust, remote control force that warning exhaust, automatic speech broadcasting etc. are multi-functional to be one, and are practical.
Adopt the utility model, can be when AC outage, device can enter low pressure emergency lighting state automatically rapidly, the voice broadcast service of reassuring the people of simultaneously automatic played pre-recorded.When alternating current restores electricity, can stop low-voltage lighting and broadcasting automatically again, charge a battery automatically.Can in time report to the police when feelings take place as fire alarm, robber, can carry out round-the-clock monitoring to the condition of a fire, when fire alarm takes place for reducing injures and deaths, can open the low-voltage lighting and the low pressure exhaust fan of escape way automatically, the voice broadcast service about the evacuation masses and fire fighting that automatic broadcast records in advance can reduce greatly because of fire hazard aerosol fog and the chaotic fatal threat that the crowd is produced.This fire, the alert signal of robber's information can also reach operator on duty's receiver at one's side by wireless transmit.If meet some accident, not right as wind direction, or kindling point is far away from sensor, is not able to do in time to report to the police automatically, the operator on duty also can be by pressing wireless encoding remote control transmitter at one's side, the vent fan of remote control enforced opening fire alarm system, emergency light, voice broadcast service etc.
Electronic installation of the present utility model and present similar emergency lighting product relatively have following characteristics: 1, adopt dc low-voltage emergency lighting, the dc low-voltage exhaust of meeting an urgent need, be operated in below the safe voltage handling safety.2, can in time open and stop emergency lighting automatically, emergent exhaust.3, under abnormal conditions, can in time open corresponding voice broadcast service automatically, reassure the people, be beneficial to the crowd evacuation and the disaster relief.4, adopt high ion fire hazard aerosol fog sensor and the application-specific integrated circuit sheet of reliability, improved the fire alarm monitoring accuracy.5, when reporting to the police, can open automatically or remote control positive opening escape way low-voltage lighting and low pressure exhaust fan, can effectively alleviate the condition of a disaster, reduce casualties.6, adopt the combined anti-theft monitoring of different physical attributes, can improve the warning accuracy, reduce rate of false alarm.7, adopt the low-power wireless lift-off technology, can in time notify the relevant personnel the condition of a disaster, robber's feelings.8, have accumulator is charged, is full of automatic stop and anti-overcharge function automatically.
Device of the present utility model has multi-functional in one, and circuit is simple, starting material are easily purchased, it is all available on the market with 30～50W dc low-voltage motor etc. that the various sensors that use, speech recording and reproducing piece, coded telecommand transmitting-receiving subassembly, low-power wireless transmit and receive module, dc low-voltage illuminating lamp, vent fan, cost is lower, and is practical.
Description of drawings
Fig. 1 is the theory diagram that the utlity model has the safe low pressure emergency lighting electronic installation of fire, the automatic monitoring function of theft alarm.
Fig. 2 is the circuit diagram of embodiment that the utlity model has the safe low pressure emergency lighting electronic installation of fire, the automatic monitoring function of theft alarm.
Fig. 3 is the profile synoptic diagram that the utlity model has the safe low pressure emergency lighting electronic installation of fire, the automatic monitoring function of theft alarm.
Fig. 4 is the rear panel figure that the utlity model has the safe low pressure emergency lighting electronic installation of fire, the automatic monitoring function of theft alarm.
Below in conjunction with embodiment, the safe low pressure emergency lighting electronic installation that the utlity model has fire, the automatic monitoring function of theft alarm is described further.
Embodiment
The utility model comprises: observation circuit contains AC outage monitoring and change-over circuit (105), fire monitoring circuit (201) and combined type and steals feelings monitoring (301), auxiliary circuit: contains transformation rectification circuit (101), charge in batteries and anti-overcharge circuit (102), direct current regulation circuit (104).Executive circuit: contain low pressure emergency lighting circuit (106), dc low-voltage vent fan (203).Warning circuit: contain power failure audio record circuit module (107), power amplifier (109), fire alarm voice recording-reproducing assembly (202) and trigger two sound circuits low-frequency oscillatory network of playback (108), police car sound generation circuit (302) and wireless encoding remote control circuit (204,205), low-power wireless transmitter module (206), receiver module (207) etc. repeatedly.
(101) transformer T plays transformation and high pressure buffer action in, and AC outage is surveyed and change-over circuit (105) is exported the relay K at two ends by being connected across secondary commutation
1Finish, when alternating current is arranged, by V
01～04The bridge rectifier circuit output 27V pulsating dc voltage of forming, K
1Adhesive, K
1-1The normally closed contact disconnection is connected with accumulator G's, and low pressure emergency light (106) is not worked.While K
1-2Normally closed contact disconnects, and power failure voice module I (107) is not worked, no power failure voice broadcast service.When AC outage, above-mentioned contact flip closed, the low pressure emergency light gets electric going up and does.While K
1-2Connect the power supply of " power failure audio record circuit " (107), this sound circuit is under the trigger pulse effect of (108) low-frequency oscillatory network, emits the voice about temporary interruption of pre-recording in (107) repeatedly, passes through capacitor C
21Broadcast by loudspeaker B after being coupled to (109) power amplifier.If when not needing to broadcast, can turn-off S
4Behind the alternating current incoming call, relay K
1Adhesive again, each contact turns back original state, and the power-cut emergency lighting system quits work.
(102) charge automatically for accumulator and prevented fair circuit, transformer-secondary voltage is for exchanging 30V, and one end 3 pin connect by commutation diode V
01～04The input end V of the bridge rectifier circuit of forming
04With V
01Tie point, 4 pin meet V
02With V
03Tie point, the positive voltage output end V after the rectification
01With V
02The tie point order to the anode a of thyristor SCR, negative electrode b connects charging current table anode, the negative terminal of table connects the anode of G, resistance R
3, RP
1, resistance R
4Be connected on after the series connection between a, the g, transfer RP
1Promptly adjusted the conduction angle of SCR, the DC voltage Table V that is series at the DC current Table A in the charging circuit and is connected in parallel on the G two ends can be observed the voltage of charging current and accumulator simultaneously.Along with charging, G both end voltage raise, the SCR both end voltage reduces, I
FillReduce, work as U
AbSCR ends during less than the minimum forward voltage of SCR, and charging stops automatically.G can not overcharged.But consider that if power network fluctuation is excessive secondary to go up voltage fluctuation too high and overcharging of causing also is provided with anti-overcharge circuit in (102).Sample resistance RP
2, the resistance resistance R
9Its sliding contact leading foot of two ends that is attempted by G meets voltage stabilizing diode V
3Negative terminal, V
3Anode passes through resistance R
8Meet switching tube V
2Base stage, V
2Grounded emitter, collector connecting resistance R
4With the tie point of RP1, the sample resistance moving contact is adjusted the position and is, when G is 27.5V when following, voltage does not make V on the moving contact
3Puncture resistance R
6Last no current, V2 ends, and is equivalent to open circuit between collector and emitter, does not influence the control utmost point of SCR, and voltage does not just influence charging circuit yet.Work as V
GDuring＞27.5V, RP
2Moving point voltage raises, and makes V3 puncture conducting, I
B2Increase U
B2Rise, the V2 conducting is equivalent to path between the C of V2, e and makes VC2 drop to 0.3V, and the Vg of SCR also is formed on 0.3V by embedding, and SCR ends, and charging stops, and has played anti-overcharge electricity and has not made V
GThe unusual effect that raises.
(104) be direct current regulation circuit, (103) are accumulator G (voltage 24V), and the anode of G ensures diode V through serial connection polarity
8, the dropping resistor resistance R
5Back step-down inserts (104) input end after 7812,7809,7,806 three regulator block voltage stabilizings, exports 12V, 9V, the use of 6V power voltage supply road respectively.
Fire hazard monitoring and warning circuit are made up of (201,202) etc.When the condition of a fire, in a single day the fire hazard aerosol fog concentration that produces reaches more than 2% in air, (201) the fire hazard aerosol fog sensor UD-02 chip in promptly may detect, the C terminal voltage declines to a great extent, after special IC MC14467 handles analysis with this, promptly export the low-frequency pulse oscillator signal of the about 4～5V of Upp from its output terminal.The piezoelectric ceramics piezo HR that is connected on output terminal will send the chimes of doom more than 75 decibels.Simultaneously, this warning oscillating signal is through diode V
5Deliver to resistance R
14, capacitor C
10, capacitor C
11The filter network of forming takes out DC component and adds to electronic switching tube V
6Base stage makes V
6Base voltage raises, V
6Conducting, relay K
2Get electric upset, pass through K
2Each docking point, control dc low-voltage vent fan gets electric exhaust, and low-voltage lighting is bright, and power failure voice module I dead electricity is not worked.The voice module II (202) about the condition of a fire that records in advance gets electric work, and capacitor C is passed through in playback repeatedly under the effect of (108) low frequency trigger pip
16Being coupled to power amplifier (109) broadcasts.This fire alarm voice signal is also by capacitor C
16, capacitor C
13Be coupled to low-power wireless transmitter module (206) input end, launch by transmitter module, the person on duty in tens meters receiver (207) at one's side receives this fire alarm.Consider some special circumstances, not right as wind direction, or kindling point slightly far also has little time warning etc. from the fire monitoring sensor, this moment, the operator on duty went back the command signal that available wireless coded telecommand transmitter (204) sends the unlatching fire alarm system, wireless encoding receiver of remote-control sytem (205) receive this signal check coding errorless after promptly from output terminal output high level signal, pass through resistance R
28Be coupled to V
6Base stage makes electronic switching tube V
6Overturn and conducting relay K
2Get electric adhesive.Promptly as previously mentioned, fire voice broadcast circuit, escape way low-voltage lighting and low pressure exhaust fan, low-power wireless radiating circuit etc. are all started working.
(301,302) in the antitheft monitoring and warning circuit, its monitoring sensing has adopted to be surveyed with present employed on the market single microwave people displacement body or single rpyroelectric infrared is surveyed different, but compound people's displacement body detection circuit (301), its feature is to survey different microwave induced human body displacement detector WB of thing physical characteristics (detect and cause the microwave reflection difference because of human body moves) and the compound use of rpyroelectric infrared human body displacement detector HD (detection is different because of human body moves the Thermal Infra-Red that causes), have only two kinds of detectors to measure people's displacement body simultaneously, the high level signal of its output is added to simultaneously by IC
2Middle A
1A
2During two input ends of the two input end AND circuit of forming, this AND circuit just has high level output and removes to control electronic switching tube V
9Upset, any single road have the output of detection, and gate circuit does not have high level output.So just avoided the detection of microwave people displacement body to be subject to electromagnetic interference (EMI) and reported by mistake, and rpyroelectric infrared people displacement body is surveyed the shortcoming that is subject to temperature disturbance and reports by mistake, has improved the warning accuracy greatly.When two complex detectors had detected robber's feelings, two Sheffer stroke gates output high level were to electronic switching tube V
9Base stage, its voltage raises, V
9Conducting, relay K
3Get electric upset, make 9561 police car sound produce circuit (302), power amplifier (109), low pressure bright lamp (106), low-power wireless radiating circuit (206) is all worked simultaneously.
Electronic installation of the present utility model also can be installed many fire hazard aerosol fog monitors and Duo Zhi combined type robber feelings monitor at different parts such as door, passageway, window limits simultaneously according to the size in place, and the base stage that its output terminal is connected in parallel V6 and V9 electronic switching tube respectively gets final product.Arbitrary group of monitor monitors is to target, and its output signal can both make corresponding warning system all start work.
As can be seen, block diagram (101) is transformation, rectification circuit in Fig. 1, Fig. 2.T is a power transformer, plays transformation and high pressure buffer action.The L end (phase line) of alternating current 220V connects 1 elementary end of transformer T by fuse FU1, alternating-current power supply switch S 1, elementary 2 termination N ends (center line).The secondary winding alternating voltage is 30V, and secondary coil 3 terminations are by diode V
01～04V in the bridge rectifier circuit of forming
01With V
04Tie point, V in the 4 termination rectifier bridges
02With V
03Tie point rectifier bridge DC voltage positive output end V
01With V
02The tie point order to thyristor SCR anode a and resistance R
3Tie point, another output terminal of DC voltage V
03With V
04Tie point connects reference point ground end.The about 27V of bridge rectifier output ripple DC voltage.(102) be accumulators (103) charging and anti-overcharge circuit.(101) Shu Chu pulsating dc voltage charges to G through the SCR of series connection, and this promptly is the charging major loop.Rectification output V
01, V
02Tie point connects a and the resistance R of SCR
3Tie point, the negative electrode b of SCR connects anode and the resistance R of reometer A
4The negative terminal of tie point reometer A connect direct current Emergency Lighting Supply switch S
2With the tie point of the anode of accumulator (103) G, the negativing ending grounding of G.Constituted main charge circuit by secondary winding, rectification circuit, SCR, G.The control utmost point g connecting resistance R of SCR
4An end, resistance R
4Another termination potentiometer RP
1An end and the tie point of its moving contact, RP
1Other end connecting resistance R
3, pass through resistance R
3The other end meets SCR anode a again, has constituted thyristor control circuit, regulates RP
1Value, promptly adjusted the size of the charging current of SCR.Consider if mains fluctuations are excessive, may make secondary voltage fluctuation excessive and cause and overcharge, by the sample resistance R that is attempted by between SCR negative electrode b and the ground
9And RP
2, finish sampling (being equivalent to be attempted by the two ends of G).At RP
2Middle moving contact meets voltage stabilizing diode V
3(voltage stabilizing value 12V) negative terminal, V
3Positive terminating resistor R
8One end, resistance R
8Another termination switching tube V
2Base stage, V
2Collector connecting resistance R
4With RP
1Tie point, V
2Grounded emitter.RP
2Adjustment be, as sample resistance R
9With RP
2Two ends are 27.5V when following, RP
2Moving contact pin voltage＜12V stabilivolt V
3Do not puncture, as sample resistance R
9With RP
2Both end voltage is higher than 27.5V when above, and the slip pin voltage rise height that powers on makes (＞12V) stabilivolt V
3Puncture.V
3When not puncturing, V
2Base stage no current and ending, the Vg of SCR does not change, and charging is carried out.Filled too highly when G goes up voltage, V
3Puncture V
2Base stage has enough electric currents and conducting, and collector voltage drops to 0.3V, and the Vg of SCR also descends embedding built in 0.3V, and forces SCR to end charging, has finished anti-overcharge electric work energy.Have only the decline of G voltage, V
3Last voltage also descends, and makes V
3Break away to puncture and end, V
2By, V
2CRising raises Vg, and SCR recovers conducting again and charges to G.
(104) be direct current regulation circuit.(103) the voltage 24V of accumulator G.Positive termination polarity ensures the anode of diode V8, and the V8 negative terminal meets dropping resistor R
5, resistance R
5Another termination filter capacitor C
1, capacitor C
2With the tie point of input end 1 pin of three-terminal regulator block 7812, its 2 pin ground connection, 3 pin are output terminal, connect capacitor C respectively
3Anode and resistance R
6And resistance R
7Tie point, resistance R
7Another termination three-terminal regulator block 7809 input ends, 1 pin and filter capacitor C
4Anode, 7809 3 pin are the output terminal of 9V, 2 pin ground connection.Resistance R
6Another termination 7806 input ends, 1 pin and filter capacitor C
5Anode.C
1～C
5Negative terminal is ground connection all.7806 2 pin ground connection, 3 pin meet filter capacitor C
6Anode, capacitor C
6Negativing ending grounding.6V voltage after the 3 pin output voltage stabilizing.So (104) transfer out 12V, 9V, three groups of stabilized voltage supplys of 6V are used for interlock circuit.
V
8The connection polarity of assurance G correctly (104) could be worked.
(105) be AC outage monitoring and change-over circuit.It is finished by the relay K 1 that is connected in parallel on rectification bridge output end.Rectifier bridge positive output end V
01, V
02Tie point meets normally closed contact K
2-2One end, K
2-2Another termination dropping resistor R
1, resistance R
1Another relay termination K
1Coil one end, coil other end ground connection.K
1-1Normally closed contact serial connection emergency lighting switch S
2With fuse FU
2After be connected between accumulator G and low-voltage lighting (106) K
1-2Normally closed contact is serially connected in the power circuit of power failure sound circuit (107).S
2Often be in closure when alternating current, K
1Get electric adhesive, normally closed contact K
1-1Disconnected, K
1-2Disconnect yet, power failure voice sheet dead electricity is not worked, the low pressure emergency light does not work.Exchange when having a power failure K
1Dead electricity and overturn normally closed contact K
1-1Connect, make (106) connect accumulator G power supply.The low-voltage direct illuminating lamp gets electric work.(106) be the emergency lighting circuit for lamp, it is made up of several to tens 12～24V, 10～15W incandescent lamp bulbs.The automotive supplies shop is on sale.Ground, the quantity visual field size of lamp and the capacity of G are decided with the group number.Connecting lead copper core cross-sectional sizes should be strict with allowing current requirements to select for use.Normally closed contact K
1-2Also connect, power failure sound circuit (107) energized is worked under the trigger pulse triggers that low-frequency oscillatory network (108) produces.
(107) be the AC outage audio record circuit, (voice module I) but form by finished product recording playback voice module, module is built-in with microphone MIC, record button REC, playback button PLAY, output terminal V
0, connect power positive end Vcc and ground connection Vss end.General Vcc is 4.5～6V.Pressing REC can record, and erases the signal in original record simultaneously; Press PLAY or input start pulse signal to this end, i.e. playable.When exchanging power failure, K
1Dead electricity, K
1-2Normally closed contact closure, (107) module connect 7806 output terminals, 3 pin and electric work, pre-record in voice module as: " be temporary interruption now, the standby lighting lamp has been worked, and is please client relieved." wait voice instant repeatedly by the power amplifier (109) and the loudspeaker B broadcast of back, PLAY end playback trigger pip is provided by low-frequency oscillatory network (108).Also can pre-record some easily music mix, to reassure and pacify the public, help the recovery of order.(107) output terminal V
0Meet coupling capacitance C
21An end, capacitor C
21The in-phase input end IC of another termination power amplifier (109)
31Pin, the PLAY termination repeating resistance resistance R of (107)
19, and R
19The output terminals A of another termination LF oscillator (108)
411 pin.Audio power amplifier circuit IC
3(109) be made up of integrated amplifier TDA2030A and accessory circuit, 5 pin are the Vcc end, connect the dropping resistor resistance R
25With coupling capacitance C
26, C
27Tie point, capacitor C
26, capacitor C
27Other end ground connection, resistance R
25Another termination broadcasting switch S
4One end, S
4Another termination low-voltage lighting and K
1-1Tie point, S
4Often be in closure.So when the low pressure emergency light was bright, also worked with regard to synchronous energized (109).The 3 pin ground connection of 2030A, 4 pin are output terminal, meet coupling capacitance C
25Anode, capacitor C
25Negative terminal connects the end of loudspeaker B, the other end ground connection of B.4 pin also connect the resistance resistance R that high-frequency harmonic suppresses circuit
26One end, resistance R
26Another termination capacitor C
24, capacitor C
24Other end ground connection.Also be connected with the negative-feedback circuit resistance R between 4 pin and inverting input 2 pin
27, R
21, capacitor C
23, diode V
12, 2 pin meet feedback resistance R simultaneously
24One end, resistance R
24Another termination capacitor C
23Anode, capacitor C
23Negativing ending grounding.2 pin are connecting resistance R again
27One end, resistance R
27Another termination 4 pin and V
12The negative terminal tie point, diode V
12Positive ending grounding.Input end 1 pin also is connected to resistance R simultaneously
21An end, resistance R
21Another termination biasing resistor R
22And resistance R
23Tie point, and resistance R
23Another termination 5 pin Vc end, resistance R
22Other end ground connection.Resistance R
27, R
24, capacitor C
23To reduce gain, widen frequency band Deng the negative-feedback circuit that constitutes, prevent self-excitation and improve the tonequality of power amplifier.
(108) be two Sheffer stroke gate A
3, A
4The LF self-oscillation circuit of forming is that the playback end (PLAY end) of two voice recording-reproducing assemblies (107), (202) provides start pulse signal.A
3, A
4Take from IC
2Two Sheffer stroke gates among four or the two input nand gate circuit CD4011.CD4011 is by A
1～A
4Four two input end Sheffer stroke gates are formed, and 14 pin connect positive source, 7 pin ground connection.A
3, A
4Two input ends, 8,9 pin and connect, 12,13 pin are also and to be connected into be two not circuits.A
3 Output terminal 10 pin meet feedback resistance R
17One end, resistance R
17Another termination A3 input end 8,9 pin tie points.10 pin meet A again
4 Input end 12,13 pin tie points.A
4 Output terminal 11 pin meet positive feedback capacitor C
18One end, capacitor C
18Another termination A3 input end 8,9 pin, capacitor C
18Capacity is bigger, and oscillation frequency is very low.A
4Output terminal meets repeating resistance R again
19, resistance R
19The playback trigger end of two voice modules of another termination (107,202) (PLAY end).
(201) be the fire monitoring circuit.Employing is formed the finished product module by fire hazard aerosol fog sensor UD-02 and special IC MC14467.Smog alarm concentration is 2%.The A pin of UD02 connects MC14467 (IC
1Integrated) supply pin 6 pin, connect 7809 output end of pressure-stabilizing 3 pin again.The B pin ground connection of UD02, the C pin is output termination IC
115 pin of sheet.IC
19 pin by diode V
4Ground connection again is in case the power supply reversal connection damages IC
110,11 pin are IC
1The audio oscillator signal output terminal.10 pin connect a end of three end piezoelectricity sounding sheet HB, and 11 pin connect the b end, again by three end piezoelectric patches b termination capacitor C
8To 8 pin.13 pin are that sensitivity adjustment meets RP
3Movable contact, RP
3One termination 9V anode, another termination 9 pin.IC
1Sheet 5 pin are that work shows connecting resistance R
10Again by R
10Other end sending and receiving light pipe LED
1Negative terminal, LED
1Positive termination 9V power positive end meets filter capacitor C simultaneously
9Anode, capacitor C
9Negative terminal connects 9 pin.IC
11～4 pin need not.When sensor and integrated are working properly, every 40S left and right sides LED
1Glittering once normal to show.If operating voltage is low excessively, during＜8V, LED
1Then constantly glittering.If meet fire, smokescope＞〉=2%, 5.6V when then the output of the C pin of UD02 is by non smoke sharply drops to 1.2V, in integrated the low frequency rect.p. oscillator signal that converts Upp＞4V after this signal Processing to is sent to the piezo-electric ceramic sounding sheet from output terminal 10,11 pin and sends＞tweeting sound of 75db, simultaneously LED
1Constantly flicker.This device bigger low frequency signal of amplitude that this is continuous passes through diode V
5, deliver to by resistance R
14, capacitor C
10, C
11The filtering circuit of forming takes out direct current signal and delivers to electronic switching tube V
6Base stage, make V
6Conducting, relay K
2Get electric upset.Its diode V
5Positive pole connects 10 pin of IC, negative pole connecting resistance R
14With capacitor C
10The anode tie point, capacitor C
10Negativing ending grounding.Resistance R
11Another termination capacitor C
11Anode and V
6The tie point of base stage, capacitor C
11Negativing ending grounding.V
6Grounded emitter.V
6Collector connecting relay K
2Coil one end, another termination 7812 output terminals 3 pin of coil, protection diode V
7Oppositely be attempted by K
2The coil two ends, positive pole meets K
2Coil and V
6The collector tie point.When fire hazard aerosol fog is arranged, K
2Get electric upset, connect the K of low pressure exhaust fan power supply
2-1Normal opened contact closure, vent fan M begin exhaust.K
2-1A termination fuse FU
2An end, FU
2Another termination accumulator positive end, K
2-1The other end connects the anode of vent fan motor M, the M negativing ending grounding.Be serially connected in the normally closed contact K behind the rectification circuit simultaneously
2-2Disconnect relay K 1 dead electricity.Relay K
1As the front is told about (105), will make low-voltage lighting bright after the dead electricity.But be serially connected in the K on the power failure audio record circuit power circuit in the time of therefore
2-3Normally closed contact disconnects, and the power failure voice can't be worked.And K
2-4The normal opened contact closure is connected the power supply of (202) recording playback voice module II, fire voice circuit (202) electric work, record in advance about the voice of fire alarm aspect promptly under the triggering of (108) low-frequency oscillation pulse, from V
0End output is coupled to the input end that (109) power amplifier reaches (206) low-power wireless transmitter module through capacitor C 16, C13, and fire alarm is launched from loudspeaker broadcast and antenna simultaneously.Operator on duty's receiver (207) at one's side can receive this alerting signal.(206) be three end low-power wireless transmitter modules, transmitting range is about 50m, and its power supply is K from (106)
1-1And K
3-2Tie point takes out, and this point meets dropping resistor R
29One end R
29Another termination filter capacitor C
14Anode and diode V
13The negative terminal tie point meets (206) FS module V again
CcEnd, capacitor C
14Negative terminal and V
13The VSS end of anode and FS is ground connection simultaneously.So (206) (109) (106) are synchronous workings.
If meet some fortuitous event, as wind direction not to or sensor is far away slightly from fire point, smoke transducer does not also have enough time to report to the police, and fire has risen, and the operator on duty can press the A key force start fire hazard monitoring warning circuit (the B key is " releasing " key) on the coding wireless remote control emitter spare (204).(205) coding wireless remote controlled receiver spare receives that the being checked coding of this command signal promptly exports a high level signal through being connected on output terminal V after errorless
0Resistance R
28Be coupled to V
6The electronic switching tube base stage makes switch triode V
6Conducting, relay K
2Electric upset, the whole fire alarm system work that has been enforced opening as previously mentioned.If the operator on duty presses and removes key " B " on the telepilot, then (205) receiver of remote-control sytem spare stops to export high level signal, V
6Again end K
2Dead electricity, fire alarm system quits work, and vent fan, illuminating lamp, voice broadcast service etc. all quit work.
(301) steal the feelings observation circuit for combined type.Mainly form jointly by WB microwave induced formula people's displacement body detecting module and thermoelectric infrared human body displacement detecting module HD.Microwave module Vcc end connects the resistance R of power supply decoupling filtering circuit
15With capacitor C
15The tie point of anode, capacitor C
15Negativing ending grounding.Resistance R
15Another termination theft alarm switch S
3An end.The Vcc end connection electrical resistance R of thermoelectric infrared module HD
16With capacitor C
17The anode tie point, capacitor C
17Negativing ending grounding, resistance R
16The other end also meets S
3With resistance R
15Tie point.S
3The output terminal of another termination 7812 is promptly powered by the 12V after the voltage stabilizing.The Uss end of microwave module and electrothermal module is ground connection simultaneously.Two module output terminal V
0A, V
0BConnect Sheffer stroke gate A respectively
1Input end 1 and 2 pin, A
1Output terminal 3 pin meet Sheffer stroke gate A
2Two input ends, 5,6 pin (5,6 pin connect together A
2A not gate) A
2Output terminal 4 pin promptly be total output terminal of (301) combined anti-theft observation circuit, 4 pin crosstalks resistances R
30Back and electronic switching tube V
9Base stage connects.V
9Collector meets K
3Coil one end, 3 pin of another termination three-terminal voltage-stabilizing 7812 of coil, coil is other oppositely and meet protection diode V
10, be V
10Positive termination collector.V
9Grounded emitter.A
1, A
2Be second half of four or two input nand gate circuit CD4011.The scope that microwave sounding and rpyroelectric infrared are surveyed is all at 8～10m, and no human body moves in investigative range, two detector output terminal V
0A, V
0BBe low level,＜0.3V.It is non-output signal that the AND circuit that A1, A2 form does not have the high level input, is low level.When human body moves, mobile human body will make two detectors simultaneously at output terminal output high level＞3V, A to the reflection of microwave with to the induction of the variation of Thermal Infra-Red in the field
1Sheffer stroke gate all is high level because of two input ends, and output terminal 3 pin are low level, not gate A
2Output terminal 4 pin promptly export high level and make switch triode V
9Base voltage raises, electronic switching tube V
9Upset becomes conducting by ending.V
9The relay K of connecting on the collector
3Get electric upset, K
3-1Normal opened contact closure, one termination police car sound produce the Vcc end of circuit 9561, another termination 3V zener diode V
11Negative terminal and capacitor C
20The tie point of anode, police car sound produces circuit (302) and promptly gets electric work, its output terminal V like this
0Connect coupling capacitance C
19An end, capacitor C
19The other end connects (109) power amplifier input end 1 pin, passes through capacitor C again
13Coupling, this police car acoustic alarm signal is delivered to the input end V of (206) low-power wireless transmitter module again
1End.Simultaneously, be connected on the K between (106) low-voltage lighting circuit and (103) G
3-2Normal opened contact is (with K
1-1In parallel) closure, as previously mentioned, and (106) energized, the low pressure emergency light is bright, and the Vcc of power amplifier (109) and wireless transmitter module (206) end all is connected to K
1-1On the tie point of low pressure emergency light HL, thus (109), (206) all electric synchronous working, the police car acoustic alarm signal is emitted from loudspeaker B, from antenna, launch.If have output to make Sheffer stroke gate A because of electromagnetic interference (EMI) makes the microwave induced module of WB
1Input end 1 pin be high level, but that this disturbs the thermoelectric infrared module of HD is inoperative, V
0BStill be low level, A
12 pin be low level, A
2No-output.Suppressed the wrong report that electromagnetic interference (EMI) causes.In like manner, because of the interference that temperature fluctuation causes to the thermoelectric infrared induction module of HD, can be not influential to the WB microwave module yet, A
1Two input ends high level, A can not arranged simultaneously
2Still no-output also is suppressed.So just improved the accuracy of detection alarm greatly.S
3Be the theft alarm switch, then and there in nobody the time with S
3Closure, WB, HD internal delay time are after 2 minutes, and (allowed the operator on duty lock door and window, and withdrawed from the place in 2 minutes) promptly is in antitheft monitoring, is connected S
3With resistance R
15The antitheft display circuit resistance R of tie point
18, LED
2In LED
2Luminous demonstration.
(201) the fire smoke transducer can adopt UD-02 ion smoke transducer in, and special IC adopts MC14467 or adopts the good production board HW2000 type of both combine and assemble.(107,202) voice recording-reproducing assembly circuit can adopt ISR10 or voice recording-reproducing assemblies such as SR9A120, QX-R42.(301) two compound robber's feelings monitors can adopt KL-3 microwave people displacement body induction module and HD01 rpyroelectric infrared people displacement body induction module to merge use; Wireless encoding remote control module (204,205) adopts T630 (sending out) T631 (receipts) finished product module.(206) low-power wireless emission (207) low-power wireless receiver module can adopt TDC1808 (sending out) and TDC1809 (receipts) three end leadthrough modules.(106) the dc low-voltage emergency light can adopt the automobile-used illuminating lamp of 12-24V, 10～15W.(203) the dc low-voltage vent fan can adopt 24V, the preparation of 30～50W direct current generator.
Fig. 3 is a device profile synoptic diagram of the present utility model.The printed circuit board that electronic devices and components are housed places the shell inner bottom part.The shell front is a panel, and the top frame of broken lines is the model name sign of device.The middle and upper part is respectively D.C. voltmeter from left to right, and DC ammeter shows battery tension and charging current respectively.Place side by side is two function display tube LED1, LED2.The bottom is respectively that ac power switch, interchange fuse base emergency lighting lamp switch (also should be in the close position when this switch has alternating current always from left to right, only in the emergency lighting overlong time, or turn-off when not needing emergency lighting), broadcasting switch, anti-theft switch.Fig. 4 is rear panel figure, and four groups of inputs, output line socket aperture are arranged on the rear panel.The bottom is respectively direct current supply line, emergent low-voltage lighting line bank HL, low pressure exhaust fan line bank M, vent fan fuse base FU from left to right
2With emergency light fuse base FU
3Three core AC power line sockets.Other has top cover, both sides panel and four support socles.Shell adopts ABS plastic to make better, to help electromagnetic reception and emission.
Claims (6)
1. the safe low pressure emergency lighting electronic installation that has fire, the automatic monitoring function of theft alarm is characterized in that it is made up of four parts of observation circuit, control circuit, warning circuit, executive circuit,
Observation circuit comprises: AC outage observation circuit and change-over circuit (105), fire monitoring circuit (201), combined type are stolen feelings observation circuits (301), and its AC outage observation circuit and change-over circuit (105) are by relay K 1 that is connected in parallel on the bridge rectifier circuit output terminal and the normally closed contact K that is used to control voice broadcast circuit, low pressure emergency light
1-2, K
1-1Form; Fire monitoring circuit (201) is by ion smoke transducer UD02 and special IC IC
1Reach filtering circuit R to electronic switch output control signal
14, C
10, C
11Form; Combined type is stolen feelings observation circuits (301) and by microwave induced people's displacement body probe assembly WB and rpyroelectric infrared people displacement body probe assembly HD both output terminals is connected to by Sheffer stroke gate A
1, A
2Two input ends of the AND circuit of forming are formed;
Control circuit is by switching tube V
6, relay K
2The electronic switch of forming removes controlling fires warning circuit, low pressure exhaust fan (203), low-voltage lighting (106); By switching tube V
9, relay K
3The electronic switch of forming goes control to steal the alert circuit of information, low-voltage lighting (106), control circuit also is included in the wireless encoding remote control module of force start fire alarm and vent fan work in particular cases, contain transmitter (204), receiver (205), the output terminal of (205) is delivered to electronic switching tube V through the R28 of series connection with command signal
6Base stage;
Warning circuit reaches LF self-oscillation circuit (108), police car sound generation circuit (302), power amplifier (109) and the loudspeaker B that is connected with the power amplifier output terminal, low-power wireless emission, receiver module (206), (207) composition of the recording playback module being triggered playback by voice recording-reproducing assembly (107), (202);
Executive circuit comprises dc low-voltage emergency lighting circuit for lamp (106), dc low-voltage vent fan (203).
2, the safe low pressure emergency lighting electronic installation with fire, the automatic monitoring function of theft alarm according to claim 1 is characterized in that: the relay K in AC outage monitoring and the change-over circuit (105)
1Realize respectively being electrically connected with low pressure emergency lighting circuit (106), power failure voice module (107), power amplifier (109).
3, the safe low pressure emergency lighting electronic installation with fire, the automatic monitoring function of theft alarm according to claim 1 is characterized in that: microwave people displacement body probe assembly and thermoelectric infrared human body displacement probe assembly output terminal that combined type is stolen feelings observation circuits (301) must be connected to by A simultaneously
1, A
2Sheffer stroke gate that form with two input ends door, this AND circuit output terminal connects R
30, pass through R
30Connect electronic switch V again
9Base stage, V
9Conducting, relay K
3Be electrically connected with theft alarm signal generating circuit (302), power amplifier (109), low-power wireless transmitter module (206), low pressure emergency lighting circuit (106) respectively.
4. the safe low pressure emergency lighting electronic installation with fire, the automatic monitoring function of theft alarm according to claim 1, it is characterized in that: LF self-oscillation circuit (108) output signal connects the trigger end of power failure audio record circuit (107), fire alarm audio record circuit (202) respectively.
5. the safe low pressure emergency lighting electronic installation with fire, the automatic monitoring function of theft alarm according to claim 1, it is characterized in that: the smokescope monitor signal of fire monitoring circuit (201) makes the warning that pipes of piezoelectricity sounding sheet from application-specific integrated circuit output terminal 10,11 pin output low frequency oscillator signals, and the low frequency signal of output is through filtering circuit R
14, C
10, C
11Take out DC component and be delivered to electronic switching tube V
6Base stage, control V
6, relay K
2K is passed through in work
2Each contact makes fire alarm sound circuit (202), power amplifier (109), low pressure emergency light (106), low pressure exhaust fan (203) and low-power wireless transmitter module (206) realize synchronous working.
6. the safe low pressure emergency lighting electronic installation with fire, the automatic monitoring function of theft alarm according to claim 1, it is characterized in that: the transmitter (204) of wireless encoding remote-control transmitting receiving unit sends coded order, and receiver (205) receives instruction back output signal through R
28Remove to control V
6Base stage makes switching tube V
6, relay K
2Work, K
2Each contact is connected each element circuit of fire alarm simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420034295 CN2694395Y (en) | 2004-04-09 | 2004-04-09 | Safe low pressure emergency lighting electronic equipment with fire/theft alarm monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420034295 CN2694395Y (en) | 2004-04-09 | 2004-04-09 | Safe low pressure emergency lighting electronic equipment with fire/theft alarm monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2694395Y true CN2694395Y (en) | 2005-04-20 |
Family
ID=34772950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420034295 Expired - Fee Related CN2694395Y (en) | 2004-04-09 | 2004-04-09 | Safe low pressure emergency lighting electronic equipment with fire/theft alarm monitoring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2694395Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006119701A1 (en) * | 2005-05-09 | 2006-11-16 | Sze Keun Chan | Emergency and alarm lamp with a video camera |
| CN102175009A (en) * | 2011-03-09 | 2011-09-07 | 何英昌 | Intelligent illumination lamp |
| CN101783994B (en) * | 2009-01-15 | 2013-08-21 | 北京富纳特创新科技有限公司 | Thermoacoustic device |
| CN105741492A (en) * | 2016-04-27 | 2016-07-06 | 华中科技大学 | Detecting and alarming system and method thereof |
| TWI588783B (en) * | 2011-12-14 | 2017-06-21 | 微晶片科技公司 | Method and apparatus for detecting smoke in an ion chamber |
| US9823280B2 (en) | 2011-12-21 | 2017-11-21 | Microchip Technology Incorporated | Current sensing with internal ADC capacitor |
-
2004
- 2004-04-09 CN CN 200420034295 patent/CN2694395Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006119701A1 (en) * | 2005-05-09 | 2006-11-16 | Sze Keun Chan | Emergency and alarm lamp with a video camera |
| CN101783994B (en) * | 2009-01-15 | 2013-08-21 | 北京富纳特创新科技有限公司 | Thermoacoustic device |
| CN102175009A (en) * | 2011-03-09 | 2011-09-07 | 何英昌 | Intelligent illumination lamp |
| TWI588783B (en) * | 2011-12-14 | 2017-06-21 | 微晶片科技公司 | Method and apparatus for detecting smoke in an ion chamber |
| US9823280B2 (en) | 2011-12-21 | 2017-11-21 | Microchip Technology Incorporated | Current sensing with internal ADC capacitor |
| CN105741492A (en) * | 2016-04-27 | 2016-07-06 | 华中科技大学 | Detecting and alarming system and method thereof |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |