CN203931026U - For the broadcast alarm bell module of fire alarm linked system - Google Patents
For the broadcast alarm bell module of fire alarm linked system Download PDFInfo
- Publication number
- CN203931026U CN203931026U CN201420323852.XU CN201420323852U CN203931026U CN 203931026 U CN203931026 U CN 203931026U CN 201420323852 U CN201420323852 U CN 201420323852U CN 203931026 U CN203931026 U CN 203931026U
- Authority
- CN
- China
- Prior art keywords
- resistance
- module
- output
- input
- diode
- 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.)
- Active
Links
Landscapes
- Fire Alarms (AREA)
Abstract
The utility model discloses a kind of broadcast alarm bell module for fire alarm linked system, comprise power module, outputs state detection module, the output control module being connected with outputs state detection module, input signal detection module, state instruction judge module, power module respectively with output control module, state instruction judge module is connected, input signal detection module sends power state signal to state instruction judge module, incoming line status signal, outputs state detection module sends outlet line status signal to state instruction judge module, state instruction judge module sends output switching control signal to output control module.The utility model circuit is simple, can detect respectively input and output circuit, realizes the general controls to fire broadcast and alarm bell, non-coding audible-visual annunciator.
Description
Technical field
The utility model relates to intelligent security guard technical field, particularly relates to a kind of broadcast alarm bell module for fire alarm linked system.
Background technology
In fire alarm linked system, common interlocking equipment comprises fire broadcast, alarm bell, non-coding acousto-optic etc., the control signal difference of these interlocking equipments, there are AC 110V level pressure sound signal, DC 24V power supply etc., control it by linkage controller by module and start, stop.
In GB16806 " fire-fighting linkage control system ", be output module to this type of module definition.Output module provides power supply or control signal for interlocking equipment, detects simultaneously and to the opening circuit of I/O circuit, short trouble.The input voltage of module reception of controlling fire broadcast and acousto-optic alarm bell is different, has DC 48V voltage (without fire broadcast time), AC 110V level pressure sound signal (while having fire broadcast), DC 24V power supply (broadcast alarm bell) etc.
The broadcast module that in prior art, common employing has two keys relay realizes the switching of fire broadcast/background broadcasting, and fire broadcast line is connected on normal battle, and background broadcasting line is connected on normally closed point, and audio amplifier is connected on common port.The acousto-optic alarm bell module that employing has hilted broadsword relay realizes the interlock control to alarm bell, non-coding acousto-optic, and power lead is connected on normal battle, and acousto-optic alarm bell is connected on common port.Therefore control signal, input voltage difference, testing circuit need to be designed to different circuit forms, adopts different circuit parameters.In addition, output module need to design different testing circuit number and detect in the time controlling different interlocking equipment, thereby produce the output module of Multiple Type, every kind of output module can only be controlled the interlocking equipment of single type, and in the time cannot determining in advance the interlocking equipment of working control, being prone to the situation of cannot link control or detection line fault.
Therefore need badly and provide a kind of novel broadcast alarm bell module to solve the problems referred to above.
Utility model content
The technical matters that the utility model mainly solves is to provide a kind of broadcast alarm bell module for fire alarm linked system, can detect respectively input and output circuit, realizes the general controls to fire broadcast and alarm bell, non-coding audible-visual annunciator.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of broadcast alarm bell module for fire alarm linked system is provided, comprise power module, outputs state detection module, the output control module being connected with outputs state detection module, input signal detection module, state instruction judge module, , power module respectively with output control module, state instruction judge module is connected, input signal detection module sends power state signal to state instruction judge module, incoming line status signal, outputs state detection module sends outlet line status signal to state instruction judge module, state instruction judge module sends output switching control signal to output control module.
In preferred embodiment of the utility model, described output control module is made up of output switching circuit, output detections control circuit, outputs state detection module is made up of signal sampling circuit, double-limit comparator circuit, signal output apparatus, and input signal detection module is made up of power sense circuit, signal input line testing circuit.
The beneficial effects of the utility model are: the utility model circuit is simple, can control the dissimilar interlocking equipment for fire alarm, and detect input and output circuit fault, have improved the versatility of output module, easy to use.
Brief description of the drawings
Fig. 1 is the theory diagram of the utility model for broadcast alarm bell module one preferred embodiment of fire alarm linked system;
Fig. 2 is the circuit theory diagrams of described broadcast alarm bell module.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.
Refer to Fig. 1, the utility model embodiment comprises:
For a broadcast alarm bell module for fire alarm linked system, comprise power module, outputs state detection module, the output control module being connected with outputs state detection module, input signal detection module, state instruction judge module, the bus being connected with power module, the output line being connected with outputs state detection module, the input line and the power lead that are connected with input signal detection module.Power module is connected with output control module, state instruction judge module respectively, input signal detection module sends power state signal, incoming line status signal to state instruction judge module, outputs state detection module sends outlet line status signal to state instruction judge module, and state instruction judge module sends output switching control signal to output control module.Described output control module, outputs state detection module, input signal detection module are by different the electric circuit constitutes, output control module is made up of output switching circuit, output detections control circuit, outputs state detection module is made up of signal sampling circuit, double-limit comparator circuit, signal output apparatus, and input signal detection module is made up of power sense circuit, signal input line testing circuit.
Lower mask body place of matchmakers states the circuit theory diagrams of broadcast alarm bell module, refers to Fig. 2:
Described output control module comprises output switching circuit and output detections control circuit, wherein output switching circuit is made up of resistance R 15, resistance R 16, resistance R 17, triode VT2, triode VT3, optocoupler N6, relay K 1, NO1, the NO2(of relay K 1 are often made war) be connected the COM1 of relay K 1, COM2(common port with input end) be connected with output terminal.Resistance R 15 is connected with state instruction decision circuitry, the other end is connected with triode VT3 base stage, triode VT3 collector is connected with the input end of optocoupler N2, the transmitting terminal positive pole of optocoupler N6 is connected with resistance R 16, resistance R 16 other ends are connected with Vcc, optocoupler N6 output terminal collector is connected with resistance R 17, resistance R 17 another termination triode VT2 base stages, triode VT2 collector connecting relay K1.
Output detections control circuit is made up of resistance R 2, resistance R 3, resistance R 4, stabilivolt VZ2, triode VT1, diode VD5 and optocoupler N2.The normally closed point of NC1(of resistance R 2 and relay K 1) be connected, resistance R 2 other ends are connected with the negative pole of diode VD5, and the positive pole of diode VD5 is connected with the collector of triode VT1.Resistance R 4 is connected with the output detections control signal of state instruction decision circuitry, the other end is connected with stabilivolt VZ2 is anodal, stabilivolt VZ2 negative pole connects the input of optocoupler N2, and the collector of optocoupler N2 is connected with resistance R 3, and resistance R 3 other ends are connected with the base stage of triode VT1.
Described outputs state detection module comprises signal sampling circuit, double-limit comparator and signal output apparatus, signal sampling circuit is made up of resistance R 6, resistance R 7, capacitor C 2, capacitor C 3, double-limit comparator is made up of resistance R 8, resistance R 9, resistance R 10, double operational (LM358) N3, and signal output apparatus is made up of optocoupler N4, resistance R 11, resistance R 12, resistance R 13, diode VD10, diode VD11.
After resistance R 6 and capacitor C 2 is in parallel with the normally closed point of NC2(of resistance R 7, relay K 1) be connected, resistance R 7 other ends are connected with the positive input of comparer N3A, the negative input end of comparer N3B with capacitor C 3, resistance R 8 ~ resistance R 10 is connected successively, the tie point of resistance R 8, resistance R 9 is connected with the negative input end of comparer N3A, and the tie point of resistance R 9, resistance R 10 is connected with the positive input terminal of comparer N3B.The positive pole of the output of comparer N3A and diode VD10, the negative pole of diode VD10 is connected with resistance R 11; The positive pole of the output of comparer N3B and diode VD11, the negative pole of diode VD11 is connected with resistance R 12; Resistance R 11, resistance R 12 connect with optocoupler N4 input and are connected, optocoupler N4 emitting stage connecting resistance R13.
In conjunction with Fig. 1 and Fig. 2:
The power module of the utility model broadcast alarm bell module indicates judge module, output control module to be connected respectively with state, provides+5V ,+21V voltage; The output of input signal detection module, outputs state detection module is connected with state instruction judge module respectively, to state instruction judge module provide respectively power supply, incoming line normal/chopping signal and outlet line normally, fault-signal.
Described input signal detection module comprises power sense circuit and signal input line testing circuit, and wherein power sense circuit is made up of resettable fuse F1, TVS diode V1, diode VD1, VD2, VD3, VD4, capacitor C 1, resistance R 1, R2, stabilivolt VZ1 and optocoupler N1.Signal input line testing circuit is made up of diode VD6, VD7, VD8, VD9, resistance R 18, stabilivolt VZ3 and optocoupler N7.
The nonpolarity of power supply wiring realized on VD1 ~ VD4 composition Qiao road, and the nonpolarity of signal input wires realized on VD6 ~ VD9 composition Qiao road, prevents from causing device damage or cannot normally working because of wrong line.Current-limiting protection/protective parts is made up of resettable fuse F1 and TVS diode V1, and Dang Qiaolu breaks down or carries out current limliting when short circuit, carries out clamper protection in the time that input voltage is too high.
Bridge road VD1 ~ VD4 output is connected with capacitor C 1 positive pole, resistance R 1, and the R1 other end is connected with VZ1 is anodal, and VZ1 negative pole connects the input of N1; Bridge road VD6 ~ VD9 output is connected with resistance R 18, R19 respectively, and the R18 other end is connected with VZ3 is anodal, and VZ3 negative pole connects the positive pole of the input of N7, and the R19 other end is connected with the input negative pole of N7.The emitting stage of N7 is connected with the collector of N1, and the emitting stage of N1 is connected with R2, state instruction decision circuitry.
In the time that DC 24V supply voltage is normal, exceed the forward voltage of stabilivolt VZ1, optocoupler N1 conducting produces high level and delivers to state instruction decision circuitry and indicate (for example light emitting diode) on R2.In the time of electric power disconnection or brownout, VZ1 cannot conducting, and R2 is upper is low level, and state instruction decision circuitry indicates power circuit fault.
In the time connecting fire broadcast equipment, the signal input line of broadcast alarm bell module connects the audio frequency output of fire broadcast power amplifier (while not carrying out fire broadcast, power amplifier output DC 48V voltage); In the time connecting alarm bell, non-coding acousto-optic, the signal input line of broadcast alarm bell module connects DC 24V fire-fighting power supply.
In the time that signal input voltage is normal, exceed the forward voltage of stabilivolt VZ3, optocoupler N7 conducting produces high level and delivers to state instruction decision circuitry and indicate on R2.Open circuit or VZ3 cannot conducting when brownout when signal input, R2 is upper is low level, and state indicates decision circuitry to indicate signal input line road fault.Therefore, described circuit for checking input signals has been realized the logical and of power supply and signal input line road fault has been detected.
Described output control module comprises output switching circuit, output detections control circuit, wherein output switching circuit is made up of resistance R 15, resistance R 16, resistance R 17, triode VT2, triode VT3, optocoupler N6, relay K 1, NO1, the NO2 of relay K 1 are connected with signal input part, and COM1, the COM2 of relay K 1 are connected with output terminal.In the time connecting fire broadcast equipment, output termination audio amplifier and the pull-up resistor of broadcast alarm bell module; In the time connecting alarm bell, non-coding acousto-optic, output terminal tapper/acousto-optic and the pull-up resistor of broadcast alarm bell module.
When state instruction judge module sends output switching control signal, VT3 conducting provides electric current to N6 input end, N6 output current drives VT2 conducting to provide trigger voltage for K1 by R17, after the NO1 of K1 and COM2, NO2 and COM1 conducting, the sound signal of power amplifier is (while carrying out fire broadcast, power amplifier output AC 110V level pressure audio frequency) export audio amplifier to, realize fire broadcast; Or DV24V power supply exports alarm bell, non-coding acousto-optic to, realization interlock control.NC1 and COM2, NC2 and COM1 disconnect simultaneously, avoid alternating voltage access outputs state detection circuit, cause circuit to damage.
Output detections control circuit is made up of resistance R 2, resistance R 3, resistance R 4, stabilivolt VZ2, triode VT1, diode VD5 and optocoupler N2.
In the time that broadcast alarm bell module bus signal is normal, provide+21V of power module voltage exceedes the forward voltage of stabilivolt VZ2, the conducting of optocoupler N2 input end, provide drive current by resistance R 3 for triode VT1, after VT1 conducting, inside modules 24V power supply forms path by VT1, diode VD5, resistance R 2, external loading resistance.In the time of bus reset, power module offers the voltage of output detections control circuit lower than the forward voltage of stabilivolt VZ2, the cut-off of optocoupler N2 input end, and triode VT1 also ends, and output voltage is 0, realizes the control to output detections.
Described outputs state detection circuit comprises signal sampling circuit, double-limit comparator and signal output apparatus, signal sampling circuit is made up of resistance R 6, resistance R 7, capacitor C 2, capacitor C 3, the output signal of external loading resistance produces sampling voltage on sample resistance R6, capacitor C 2 is disturbed and is carried out filtering input signal, and resistance R 7, capacitor C 3 carry out sending double-limit comparator to compare judgement after RC filtering to input signal again.
Double-limit comparator is made up of resistance R 8, resistance R 9, resistance R 10, double operational (LM358) N3, and signal output apparatus is made up of optocoupler N4, resistance R 11 ~ resistance R 13, diode VD10 ~ diode VD11.Optocoupler N4 emitting stage connecting resistance R13, state instruction decision circuitry.
Two thresholdings of resistance R 8 ~ R10 dividing potential drop generation height send two comparers benchmark as a comparison of N3.When outlet line short circuit or while opening circuit, in resistance R 6 sampling voltage respectively higher than the high threshold of comparator circuit, lower than the low threshold of comparator circuit, comparer N3A, N3B export respectively high level, VD10 or 4 conductings of VD11 driving N produce high level and deliver to state instruction decision circuitry and indicate on R13.Therefore described outputs state detection circuit has been realized the logical OR of outlet line short circuit, open circuit fault has been detected.
The utility model circuit is simple, can control the dissimilar interlocking equipment for fire alarm, and detects input and output circuit fault, has improved the versatility of output module, easy to use.In the time controlling fire broadcast, output termination audio amplifier and the pull-up resistor of broadcast alarm bell module, the audio frequency output of input termination fire broadcast power amplifier; In the time controlling alarm bell, non-coding acousto-optic, output terminal tapper/acousto-optic and the pull-up resistor of broadcast alarm bell module, input termination DC24V fire-fighting power supply.As can be seen here, the utility model circuit have power supply nonpolarity, can carry out fire broadcast/background broadcasting and switch, can control alarm bell and non-coding acoustooptic alarm, adapt to the remarkable advantage of dissimilar interlocking equipment, improved the adaptability of output module.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. the broadcast alarm bell module for fire alarm linked system, comprise power module, it is characterized in that, also comprise outputs state detection module, the output control module being connected with outputs state detection module, input signal detection module, state instruction judge module, power module respectively with output control module, state instruction judge module is connected, input signal detection module sends power state signal to state instruction judge module, incoming line status signal, outputs state detection module sends outlet line status signal to state instruction judge module, state instruction judge module sends output switching control signal to output control module.
2. the broadcast alarm bell module for fire alarm linked system according to claim 1, it is characterized in that, described output control module is made up of output switching circuit, output detections control circuit, outputs state detection module is made up of signal sampling circuit, double-limit comparator circuit, signal output apparatus, and input signal detection module is made up of power sense circuit, signal input line testing circuit.
3. the broadcast alarm bell module for fire alarm linked system according to claim 2, it is characterized in that, described output switching circuit is by resistance R 15, resistance R 16, resistance R 17, triode VT2, triode VT3, optocoupler N6, relay K 1 forms, the NO1 of relay K 1, NO2 is connected with input end, the COM1 of relay K 1, COM2 is connected with output terminal, resistance R 15 is connected with state instruction decision circuitry, the other end is connected with triode VT3 base stage, triode VT3 collector is connected with the input end of optocoupler N2, the transmitting terminal positive pole of optocoupler N6 is connected with resistance R 16, resistance R 16 other ends are connected with Vcc, the output terminal collector of optocoupler N6 is connected with resistance R 17, resistance R 17 other end connecting triode VT2 base stages, triode VT2 collector connection relay K1.
4. the broadcast alarm bell module for fire alarm linked system according to claim 2, it is characterized in that, described output detections control circuit is by resistance R 2, resistance R 3, resistance R 4, stabilivolt VZ2, triode VT1, diode VD5 and optocoupler N2 composition, one end of resistance R 2 is connected with the NC1 of relay K 1, the other end of resistance R 2 is connected with the negative pole of diode VD5, the positive pole of diode VD5 is connected with the collector of triode VT1, resistance R 4 is connected with state instruction judge module, the other end is connected with stabilivolt VZ2 is anodal, stabilivolt VZ2 negative pole connects the input of optocoupler N2, the collector of optocoupler N2 is connected with resistance R 3, resistance R 3 other ends are connected with the base stage of triode VT1.
5. the broadcast alarm bell module for fire alarm linked system according to claim 2, it is characterized in that, described signal sampling circuit is made up of resistance R 6, resistance R 7, capacitor C 2, capacitor C 3, double-limit comparator circuit is made up of resistance R 8, resistance R 9, resistance R 10, double operational N3A and N3B, and signal output apparatus is made up of optocoupler N4, resistance R 11, resistance R 12, resistance R 13, diode VD10, diode VD11.
6. the broadcast alarm bell module for fire alarm linked system according to claim 5, it is characterized in that, after resistance R 6 is in parallel with capacitor C 2, be connected with the NC2 of resistance R 7, relay K 1, resistance R 7 other ends are connected with the positive input of capacitor C 3, comparer N3A, the negative input end of comparer N3B, resistance R 8, resistance R 9, resistance R 10 are connected successively, the tie point of resistance R 8, resistance R 9 is connected with the negative input end of comparer N3A, and the tie point of resistance R 9, resistance R 10 is connected with the positive input terminal of comparer N3B; The output of comparer N3A is connected with the positive pole of diode VD10, and the negative pole of diode VD10 is connected with resistance R 11; The output of comparer N3B is connected with the positive pole of diode VD11, and the negative pole of diode VD11 is connected with resistance R 12; After resistance R 11, resistance R 12 parallel connections, be connected optocoupler N4 emitting stage connecting resistance R13 with optocoupler N4 input.
7. the broadcast alarm bell module for fire alarm linked system according to claim 2, it is characterized in that, described power sense circuit is made up of resettable fuse F1, TVS diode V1, diode VD1, VD2, VD3, VD4, capacitor C 1, resistance R 1, R2, stabilivolt VZ1 and optocoupler N1, and signal input line testing circuit is made up of diode VD6, VD7, VD8, VD9, resistance R 18, stabilivolt VZ3 and optocoupler N7.
8. the broadcast alarm bell module for fire alarm linked system according to claim 7, it is characterized in that, diode VD1, VD2, VD3, VD4 and diode VD6, VD7, VD8, VD9 form bridge road, the output of bridge road VD1 ~ VD4 is connected with capacitor C 1 positive pole, resistance R 1, the R1 other end is connected with VZ1 is anodal, and VZ1 negative pole connects the input of N1; The output of bridge road VD6 ~ VD9 is connected with resistance R 18, R19 respectively, the R18 other end is connected with VZ3 is anodal, and VZ3 negative pole connects the input positive pole of N7, and the R19 other end is connected with the input negative pole of N7, the emitting stage of N7 is connected with the collector of N1, and the emitting stage of N1 is connected with R2, state instruction decision circuitry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323852.XU CN203931026U (en) | 2014-06-17 | 2014-06-17 | For the broadcast alarm bell module of fire alarm linked system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323852.XU CN203931026U (en) | 2014-06-17 | 2014-06-17 | For the broadcast alarm bell module of fire alarm linked system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203931026U true CN203931026U (en) | 2014-11-05 |
Family
ID=51826802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420323852.XU Active CN203931026U (en) | 2014-06-17 | 2014-06-17 | For the broadcast alarm bell module of fire alarm linked system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203931026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110136371A (en) * | 2018-02-09 | 2019-08-16 | 沅圣科技股份有限公司 | Bell ring control device and its control method |
-
2014
- 2014-06-17 CN CN201420323852.XU patent/CN203931026U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110136371A (en) * | 2018-02-09 | 2019-08-16 | 沅圣科技股份有限公司 | Bell ring control device and its control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103545804B (en) | Direct-current input end inverted connection protecting circuit, direct-current input end inverted connection protecting method and direct-current input equipment | |
| CN201897627U (en) | Fast-acting fuse detector | |
| CN203481819U (en) | DC input terminal anti-reverse-connection protection circuit and DC input equipment | |
| CN202331701U (en) | Universal relay module of automatic fire alarm system | |
| CN104101064A (en) | Indoor and outdoor unit power source wiring error protection device used for variable frequency air conditioner | |
| CN203931026U (en) | For the broadcast alarm bell module of fire alarm linked system | |
| CN201299916Y (en) | Multi-line linkage module for fire-fighting linkage system | |
| CN107317686A (en) | A kind of power supply unit PSE | |
| CN101807792A (en) | Power protection device | |
| CN203981767U (en) | Fault electric arc sampling and pick-up unit | |
| CN101411929B (en) | Double-wire system special module | |
| CN104184067A (en) | Crossover arc extinction device used during 10kV hot-line work and provided with indication function | |
| CN204006512U (en) | The indoor and outdoor machine power supply wiring error protection device of convertible frequency air-conditioner | |
| CN104528559B (en) | Tower crane system and tower crane rotation vortex flow controller | |
| CN205160031U (en) | Device for detecting disconnection | |
| CN201984317U (en) | PLC (Programmable Logic Controller) output circuit with protection | |
| CN204615349U (en) | Remote signalling alarm device when a kind of integrated form Surge Protector Indication of Losing Efficacy and inefficacy | |
| CN107437849A (en) | The online switch modulation digital communication control system of local power utilization network | |
| CN208110295U (en) | A kind of control circuit of signal system safety power supply | |
| CN203998494U (en) | Building hoist frequency conversion electric controller | |
| CN204442316U (en) | A kind of electronic switch | |
| CN203133214U (en) | Disconnection detection device of DC remote control execution mechanism | |
| CN204046261U (en) | A kind of double power supply converting switch control circuit | |
| CN107942647A (en) | A kind of control circuit and its control method of signal system safety power supply | |
| CN204349583U (en) | Mine digital coding Long-distance Control breaker device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |