CN202838589U - Smoke alarm system based on wireless fidelity (WiFi) - Google Patents
Smoke alarm system based on wireless fidelity (WiFi) Download PDFInfo
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- CN202838589U CN202838589U CN 201220519732 CN201220519732U CN202838589U CN 202838589 U CN202838589 U CN 202838589U CN 201220519732 CN201220519732 CN 201220519732 CN 201220519732 U CN201220519732 U CN 201220519732U CN 202838589 U CN202838589 U CN 202838589U
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Abstract
The utility model provides a smoke alarm system based on wireless fidelity (WiFi). The smoke alarm system based on the WiFi comprises a smoke signal collecting part and a display alarm part; the smoke signal collecting part comprises a sound and light alarm module, a smoke sensor, a single chip microcomputer I, a WiFi module I and a power support I, wherein the sound and light alarm module, the smoke sensor, the single chip microcomputer I and the WiFi module I are sequentially connected; the single chip microcomputer I and the WiFi module I are respectively connected with the power support I; the display alarm part is composed of a WiFi module II, a single chip microcomputer II, a display module, an alarm module and a power support II, wherein the WiFi module II, the single chip microcomputer II, the display module and the alarm module are sequentially connected; the single chip microcomputer II and the WiFi module II are respectively connected with the power support II. The smoke alarm system based on the WiFi is capable of achieving timely wireless alarm and improving monitoring strength of fire disaster. The smoke alarm system based on the WiFi has the advantages of being strong in function, high in flexibility, good in reliability, high in interference resistance ability and instantaneity, simple in system structure, easy to achieve, convenient to use and capable of meeting requirements of system safety.
Description
Technical field:
The utility model is a kind of smog warning system based on WiFi, relates to the smog alarm field.
Background technology:
It is the key link of fire alarm that Smoke Detection is reported to the police, significant for finding early fire.Now people pay much attention to the popularization and application of fire prevention and safety technique, have the Smoke Detection automatic fire alarm system that reliability is high, real-time is good in order to ensure work safe and reliable with living environment of people, must to design.Multiple smog warning system has been arranged at present, but mostly belonged to off-line mode, finally will contact fire department by the people, often caused heavy losses owing to can not reaching alarm.If can with online mode on-line operation, will alleviate to a great extent casualties and property loss.Be conceived to just this problem, try hard to fundamentally solve the problem that the off line signal transmission form exists, directly signal is sent to master-control room or fire department by Radio Transmission Technology, reach the purpose of very first time fire fighting, fire extinguishing.
WiFi (Wireless Fidelity) technology is a kind of Radio Transmission Technology, follows the IEEE/802.11 agreement, and networking mode is comparatively simple, transmission speed is higher, at signal in the weak or noisy situation, bandwidth adjustable has ensured stability and the reliability of network effectively.Its transmission range is longer, can reach 305m at the regional communication distance of opening, and communication distance is 76～122m in the closure zone.The frequency range of using is the licensed band of exempting from of 2.4～2.4835GHz, and do not have restriction on frequency resource, so use cost is cheap.These advantages of WiFi technology are for its practical application in wireless smog warning system provides condition.
Summary of the invention:
In order to overcome the deficiencies in the prior art, the utility model provides a kind of smog warning system based on WiFi.
The new purpose of this practicality realizes by following measures:
A kind of smog warning system based on WiFi comprises smoke signal collecting part and display alarm part;
Described smoke signal collecting part comprises sound and light alarm module, smoke transducer, single-chip microcomputer I, WiFi module I and power supply I, wherein sound and light alarm module, smoke transducer, single-chip microcomputer I link to each other successively with WiFi module I, and single-chip microcomputer I, WiFi module I link to each other with the power supply I respectively;
Described display alarm part is comprised of WiFi module II, single-chip microcomputer II, display module, alarm module and power supply II, wherein WiFi module II, single-chip microcomputer II, display module, alarm module link to each other successively, and single-chip microcomputer II, WiFi module II link to each other with the power supply II respectively;
Between WiFi module I and the II by WiFi wireless mode communication connection, WiFi module I and single-chip microcomputer I, and WiFi module II and single-chip microcomputer II between all link to each other by the UART port.
Smoke transducer adopts the MC14468 chip; Single-chip microcomputer I and single-chip microcomputer II are all selected AT89S52; WiFi module I and WiFi module II all adopt the RTL8187L chip.
Receiving unit adopts Multi-bit LED to show the smog data, and alarm module forms sound and light alarm by light emitting diode and hummer.Sound and light alarm among this alarm module and Fig. 1 is two independent sectors, common one at the scene, one at master-control room.
Above-mentioned smoke transducer adopts the Ionic Smoke Transducer MC14468 of company of U.S. Motorola (Motorola), is the encapsulation of dual inline type 16 pin, has each pin that extremely links to each other in the direct homo-ion chamber and light emitting diode driver output pin etc.Its inner structure contains comparer, resistor network of oscillator, timer, latch, controlling alarm logical circuit and high input impedance etc.When detecting smoke particle, it can drive its peripheral piezoelectric buzzer or piezo-electric loudspeaker that connects and send chimes of doom, meanwhile, also drives light emitting diode luminous with the frequency scintillation of 1Hz, utilizes sound and light alarm to reach the optimum efficiency of smog alarm.
Single-chip microcomputer is selected American ATMEL low-power consumption, 8 single chip computer AT 89S52 of high-performance CMOS, has 8K at system programmable Flash storer, 256 byte RAM, 32 I/O mouth lines, WatchDog Timer, 2 data pointers, three 16 bit timing device/counters, 2 grades of interrupt structures of one 6 vector, crystal oscillator and clock circuit in the full duplex serial port, sheet.
The WiFi module all adopts the RTL8187L chip of Realtek company, adopts the IEEE/802.11g standard, can effectively reduce the blind spot in the wireless coverage area, enlarges at double the coverage of wireless signal.Built-in omnidirectional intelligent aerial has improved convenience and the maneuverability used.Long transmission distance, stable performance.By WiFi communication the transmission of data, WiFi module I realizes that data send between WiFi module I and the II, and WiFi module II realizes data receiver.Link to each other by the UART port between WiFi module and the single-chip microcomputer.
The power module I is single-chip microcomputer I and the power supply of WiFi module I, and the power module II is single-chip microcomputer II and the power supply of WiFi module II.
The utlity model has following beneficial effect:
The utility model adopts WiFi communication transmission smog information, has realized the real-time radio of smog is reported to the police, and has improved the control and monitoring to fire.Have that function is strong, dirigibility is high, good reliability, antijamming capability are strong, the real-time advantages of higher, system architecture is simple, easily realize, practical and convenient, meets the requirement of security system.
Description of drawings
Fig. 1 is theory diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing this practicality newly is further described:
As shown in Figure 1, smog warning system based on WiFi of the present utility model, comprise smoke signal collecting part and display alarm part, the smoke signal collecting part comprises sound and light alarm module, smoke transducer, single-chip microcomputer I, WiFi module I and power supply I, wherein sound and light alarm module, smoke transducer, single-chip microcomputer I link to each other successively with WiFi module I, and single-chip microcomputer I, WiFi module I link to each other with the power supply I respectively.Described display alarm part is comprised of WiFi module II, single-chip microcomputer II, display module, alarm module and power supply II, wherein WiFi module II, single-chip microcomputer II, display module, alarm module link to each other successively, and single-chip microcomputer II, WiFi module II link to each other with the power supply II respectively.By WiFi communication the transmission of data, link to each other by the UART port between WiFi module and the single-chip microcomputer between WiFi module I and the II.Smoke transducer adopts the MC14468 chip, and single-chip microcomputer is selected AT89S52, and the WiFi module adopts the RTL8187L chip.
Smog warning system based on WiFi of the present utility model, its work engineering is as follows: 1 pin of digital smoke transducer MC14468 (detection output terminal) directly connects the INT0 of single-chip microcomputer I, when detecting smog, the high level of its output is by INT0 control single chip computer I timer internal T0 work, timing 90ms, T0 overflows interruption, enters interrupt service routine, by the UART mouth data is passed to WiFi module I.WiFi module I is carried out data packings according to the WiFi agreement, sends to WiFi module II, and WiFi module II to the single-chip microcomputer II, outputs to the data transmission that receives LED from the P1 mouth after treatment and shows, drives simultaneously the alarm module warning.
Claims (5)
1. the smog warning system based on WiFi comprises smoke signal collecting part and display alarm part;
Described smoke signal collecting part comprises sound and light alarm module, smoke transducer, single-chip microcomputer I, WiFi module I and power supply I, wherein sound and light alarm module, smoke transducer, single-chip microcomputer I link to each other successively with WiFi module I, and single-chip microcomputer I, WiFi module I link to each other with the power supply I respectively;
Described display alarm part is comprised of WiFi module II, single-chip microcomputer II, display module, alarm module and power supply II, wherein WiFi module II, single-chip microcomputer II, display module, alarm module link to each other successively, and single-chip microcomputer II, WiFi module II link to each other with the power supply II respectively;
Between WiFi module I and the II by WiFi wireless mode communication connection, WiFi module I and single-chip microcomputer I, and WiFi module II and single-chip microcomputer II between all link to each other by the UART port.
2. the smog warning system based on WiFi according to claim 1 is characterized in that: described smoke transducer employing MC14468 chip.
3. the smog warning system based on WiFi according to claim 1, it is characterized in that: described single-chip microcomputer I and single-chip microcomputer II are all selected AT89S52.
4. the smog warning system based on WiFi according to claim 1, it is characterized in that: WiFi module I and WiFi module II all adopt the RTL8187L chip.
5. the smog warning system based on WiFi according to claim 1, it is characterized in that: described alarm module is comprised of light emitting diode and hummer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519732 CN202838589U (en) | 2012-10-11 | 2012-10-11 | Smoke alarm system based on wireless fidelity (WiFi) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519732 CN202838589U (en) | 2012-10-11 | 2012-10-11 | Smoke alarm system based on wireless fidelity (WiFi) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202838589U true CN202838589U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220519732 Expired - Fee Related CN202838589U (en) | 2012-10-11 | 2012-10-11 | Smoke alarm system based on wireless fidelity (WiFi) |
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| CN (1) | CN202838589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105321308A (en) * | 2014-07-03 | 2016-02-10 | 国家电网公司 | Distributed equipment abnormity alarm system |
-
2012
- 2012-10-11 CN CN 201220519732 patent/CN202838589U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105321308A (en) * | 2014-07-03 | 2016-02-10 | 国家电网公司 | Distributed equipment abnormity alarm system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20141011 |
|
| EXPY | Termination of patent right or utility model |