CN2484604Y - Network fire-fighting detector - Google Patents
Network fire-fighting detector Download PDFInfo
- Publication number
- CN2484604Y CN2484604Y CN 01244787 CN01244787U CN2484604Y CN 2484604 Y CN2484604 Y CN 2484604Y CN 01244787 CN01244787 CN 01244787 CN 01244787 U CN01244787 U CN 01244787U CN 2484604 Y CN2484604 Y CN 2484604Y
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Abstract
The utility model discloses a network fire-fighting detector, which consists of a detector, a drive circuit, a power circuit, a coding circuit, a modulation circuit and a couple circuit. The detector is conducted to the input terminal of the coding circuit by the drive circuit; the output terminal of the coding circuit is conducted to the input terminal of the carrier wave chip in the module circuit; the output terminal of the carrier wave chip in the module circuit is conducted to the input terminal of the amplifying circuit in the couple circuit; the amplifying circuit in the couple circuit is conducted to the external power line by the output transformer. The power circuit supplies the power to the other circuits. The utility model can transfer coding signal through the power line so as to realize that the alert signal can be transferred by the network when a fire break out at the observation place. Because of not having to set up the dedicated line, the utility model has the advantages of low cost, briefness and practicality, which is suitable for the fire detect and control in all situations including the houses of common people.
Description
Technical field
The utility model relates to a kind of fire plant, and especially a kind of fire-fighting sniffer belongs to the fire prevention field.
Background technology
How can know the spot of fire in the shortest time, most important to minimizing personnel injury and property loss.Understand according to the applicant, have only public places such as some emporiums, restaurant, office building that the internal proprietary fire monitoring system that is made of probe, transmission circuit, displaying alarm is installed at present.Timely warning after ordinary people takes place fire does not then have good recipe.
Summary of the invention
The purpose of this utility model is: propose a kind of simple, practical, can will comprise the various occasion fire of the ordinary citizen family network fire fighting detector of in time reporting to the police automatically.
Basic mentality of designing of the present utility model is: realize the digital signal transmission with ZAP by power circuit 1.; 2. realize differentiation with coding techniques to station address and building structure, floor; 3. with the hygrosensor of coded signal output indoor extraordinary temperature is implemented to report to the police; 4. be applied to the automatic warning of fire.
The technical solution of the utility model is: the network fire fighting detector comprises probe, driving circuit, power circuit, also comprise coding circuit, modulation circuit, coupling circuit, described coding circuit is mainly by microcomputer chip, the dual-tone dialing chip, pre-amplification circuit constitutes, wherein the signal input part of microcomputer chip is as the input end of coding circuit, the input end of the output termination dual-tone dialing chip of microcomputer chip, the input end of the output termination pre-amplification circuit of dual-tone dialing chip, the output terminal of pre-amplification circuit is as the output terminal of coding circuit, described modulation circuit mainly is made of power carrier chip and peripheral circuit thereof, and described coupling circuit mainly connects output transformer by amplifying circuit and constitutes.The annexation of foregoing circuit is: probe connects the input end of coding circuit through driving circuit, the input end of power carrier chip in the output termination modulation circuit of coding circuit, the input end of amplifying circuit in the output termination coupling circuit of power carrier chip in the modulation circuit, amplifying circuit is through the external line of electric force of output transformer in the coupling circuit.Power circuit is to each circuit supply.
During the utility model work, probe with the fire signal that detects through the driving circuit transmission and trigger the micro computer of coding circuit, micro computer is exported to the dual-tone dialing chip with the appropriate address sign indicating number and the information code of storage, this chip output double-audio signal, after preposition amplification, pass to the power carrier chip of modulation circuit, after this chip is modulated input signal, output to coupling circuit, be coupled to line of electric force by transformer through amplifying.Like this, but utilize just transfer encoding signal of power circuit that power supply department leads to huge numbers of families, thereby the Network Transmission of alerting signal when realizing the breaking out of fire of monitored place, owing to need not set up dedicated line, what therefore the utility model was implemented is with low cost, simple and practical, be fit to comprise the detection monitoring of the various occasions of ordinary citizen family.
Description of drawings
Below in conjunction with accompanying drawing the technical solution of the utility model is described in further detail.
Fig. 1 is the circuit diagram of an embodiment of the utility model.
Embodiment
Fig. 1 embodiment is driving circuit 1, the power circuit 2 of core by probe M, adjustable resistance P3, and coding circuit 3, LM1893 power carrier chip and peripheral circuit thereof constitute the circuit 4 of modulation, mainly connect the coupling circuit 5 that output transformer T1 constitutes by amplifying triode forms.Wherein coding circuit 3 comprises the pre-amplification circuit that 89C2051 microcomputer chip, PDC3311 dual-tone dialing chip and preposition amplifying triode G2 constitute.Signal input part 12 pin of microcomputer chip connect output terminal---the adjustable side of adjustable resistance P3 of driving circuit as the input end of coding circuit.Output terminal 2,3,6,7,8,9,16 pin of microcomputer chip connect input end 8,9,10,11,12,4,5 pin of dual-tone dialing chip respectively.Output terminal 6 pin of dual-tone dialing chip connect the base stage of pre-amplification circuit triode G2 through adjustable resistance P2,1 of this dual-tone dialing chip, 2 pin are respectively through capacitor C 11, C10, again with the emitter that meets triode G2 through resistance R 7, the collector of this triode G2 is as the output terminal of coding circuit 3, connect input end 17 pin of LM1893 power carrier chip in the modulation circuit, the output terminal 8 of this power carrier chip, 9,10 pin connect the collector of coupling circuit 5 amplifying triode G1 respectively, base stage and emitter, its 15 pin connects an end on the former limit of output transformer T1, and the other end on this former limit of transformer connects the collector of amplifying triode G1 through resistance R 1.The external line of electric force of the secondary of output transformer T1.Power circuit 2 is to each circuit supply, and its annexation is not sewed in addition and stated as seen from the figure.
When the network fire fighting detector of present embodiment is worked, probe M transmits the fire signal that detects and trigger through driving circuit 1 the 89C2051 microcomputer chip of coding circuit 3, this microcomputer chip is exported to PDC3311 dual-tone dialing chip with the appropriate address sign indicating number and the information code of storage, this chip changes input signal into double-audio signal output, after triode G2 amplifies, pass to the LM1893 power carrier chip of modulation circuit 4, after the double-audio signal modulation of this chip with input, output to the amplifying triode G1 of coupling circuit, through amplifying and being coupled to line of electric force by transformer T1, again by power line transmission to Surveillance center.
Characteristics of present embodiment are, 89C2051 microcomputer chip 11 pin in the coding circuit 3 connect the base stage of switch triode G3 through resistance R 9, the grounded emitter of this triode, collector connect power supply through relay J 1, whether the break-make end of relay J 1 is arranged in the collector outlet line of preposition amplifying triode G2, can control as required easily like this and double-audio signal be exported.
This shows, present embodiment can utilize the power circuit transfer encoding signal towards huge numbers of families, thereby the signal of monitored place breaking out of fire is in time arrived Surveillance center through Network Transmission, need not set up dedicated line, therefore with low cost, be convenient to implement, estimate to advance the detection monitoring effectively after the listing, have broad prospects.
Claims (3)
1. network fire fighting detector, comprise probe, driving circuit, power circuit, it is characterized in that: also comprise coding circuit, modulation circuit, coupling circuit, described coding circuit is mainly by microcomputer chip, the dual-tone dialing chip, pre-amplification circuit constitutes, wherein the signal input part of microcomputer chip is as the input end of coding circuit, the input end of the output termination dual-tone dialing chip of microcomputer chip, the input end of the output termination pre-amplification circuit of dual-tone dialing chip, the output terminal of pre-amplification circuit is as the output terminal of coding circuit, described modulation circuit mainly is made of power carrier chip and peripheral circuit thereof, and described coupling circuit mainly connects output transformer by amplifying circuit and constitutes; The annexation of foregoing circuit is, probe connects the input end of coding circuit through driving circuit, the input end of power carrier chip in the output termination modulation circuit of coding circuit, the input end of amplifying circuit in the output termination coupling circuit of power carrier chip in the modulation circuit, amplifying circuit is through the external line of electric force of output transformer in the coupling circuit.
2. network fire fighting detector according to claim 1, it is characterized in that: described driving circuit is a core with adjustable resistance (P3), described modulation circuit is made of LM1893 power carrier chip and peripheral circuit thereof, described coupling circuit mainly connects output transformer (T1) by amplifying triode (G1) and constitutes, described coding circuit comprises the 89C2051 microcomputer chip, PDC3311 dual-tone dialing chip, and the pre-amplification circuit of preposition amplifying triode (G2) formation, signal input part 12 pin of described microcomputer chip are as the input end of coding circuit, connect the output terminal of driving circuit, the output terminal 2 of described microcomputer chip, 3,6,7,8,9,16 pin connect the input end 8 of dual-tone dialing chip respectively, 9,10,11,12,4,5 pin, output terminal 6 pin of described dual-tone dialing chip connect the base stage of preposition amplifying triode (G2), 1 of this dual-tone dialing chip, 2 pin connect the emitter of preposition amplifying triode (G2), the collector of described preposition amplifying triode (G2) is as the output terminal of coding circuit, connect input end 17 pin of LM1893 power carrier chip in the modulation circuit, the output terminal 8 of described power carrier chip, 9,10 pin connect the collector of amplifying triode in the coupling circuit (G1) respectively, base stage and emitter, its 15 pin connects an end on the former limit of output transformer (T1), the collector of another termination amplifying triode (G1) on the former limit of described output transformer (T1), the external line of electric force of secondary of described output transformer (T1).
3. network fire fighting detector according to claim 2, it is characterized in that: 89C2051 microcomputer chip 11 pin in the described coding circuit connect the base stage of switch triode (G3) through resistance, the grounded emitter of this triode (G3), collector connect power supply through relay (J1), and the break-make end of described relay (J1) is arranged in the collector outlet line of preposition amplifying triode (G2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01244787 CN2484604Y (en) | 2001-07-13 | 2001-07-13 | Network fire-fighting detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01244787 CN2484604Y (en) | 2001-07-13 | 2001-07-13 | Network fire-fighting detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2484604Y true CN2484604Y (en) | 2002-04-03 |
Family
ID=33656152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01244787 Expired - Fee Related CN2484604Y (en) | 2001-07-13 | 2001-07-13 | Network fire-fighting detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2484604Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009140912A1 (en) * | 2008-05-22 | 2009-11-26 | Guo Jianguo | Networked fire extinguishing control system |
| CN103971482A (en) * | 2014-04-26 | 2014-08-06 | 余正生 | Network type intelligent fire warning and extinguishing controller |
-
2001
- 2001-07-13 CN CN 01244787 patent/CN2484604Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009140912A1 (en) * | 2008-05-22 | 2009-11-26 | Guo Jianguo | Networked fire extinguishing control system |
| CN103971482A (en) * | 2014-04-26 | 2014-08-06 | 余正生 | Network type intelligent fire warning and extinguishing controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |