CN202662141U - Singlechip-based multi-path wireless alarm - Google Patents
Singlechip-based multi-path wireless alarm Download PDFInfo
- Publication number
- CN202662141U CN202662141U CN 201220357699 CN201220357699U CN202662141U CN 202662141 U CN202662141 U CN 202662141U CN 201220357699 CN201220357699 CN 201220357699 CN 201220357699 U CN201220357699 U CN 201220357699U CN 202662141 U CN202662141 U CN 202662141U
- Authority
- CN
- China
- Prior art keywords
- signal
- circuit
- alerting signal
- alerting
- transmission
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Alarm Systems (AREA)
Abstract
The utility model discloses a singlechip-based multi-path wireless alarm, and belongs to the technical field of alarms. The problems of low monitoring capability and limited monitored object number of the conventional wireless alarming system are solved. The wireless alarm comprises an alarming signal transmission unit, a received signal amplification circuit, an alarming signal receiving circuit, a singlechip and a computer, wherein signals are wirelessly transmitted between the alarming signal transmission unit and the received signal amplification circuit; the alarming signal output end of the received signal amplification circuit is connected with the alarming signal input end of the alarming signal receiving circuit; the alarming signal output end of the alarming signal receiving circuit is connected with the alarming signal input end of the singlechip; the addressing signal output end of the singlechip is connected with the addressing signal input end of the alarming signal receiving circuit; and the singlechip is connected with the computer through a universal serial bus (USB) interface. The utility model is used as a multi-path wireless alarm.
Description
Technical field
The utility model relates to a kind of SCM Based multiple wireless alarm, belongs to the alarm technical field.
Background technology
Intensive and monitor numerous place for the monitoring point, for example be used for the warning system that the pig house door and window on the classroom door and window of monitoring Teaching in University housing-group and large-scale pig farm uses, the door and window number of its monitoring can reach thousands of, therefore usually selects the mode of wireless transmission to carry out the signal transmission.In existing this type of warning system, usually adopt the mode of a PT2272 of a PT2262 pairing to carry out emission and the reception of alerting signal, the matching method of PT2262 and PT2272 chip is widely used in 433MHZ and 315MHZ wave band, as long as it is identical that 2 chip address pins arrange, the two can finish the transmission of data.Obviously there is the high problem of cost in this mode.And the scheme of controlling PT2272 address end with the 80C51 single-chip microcomputer can only have high level and low level two states because of the IO mouth of 80C51 single-chip microcomputer, the addressing capabilities of 3 10 powers that make that PT2272-L2 can not give full play to that it has; The travelling speed of 80C51 single-chip microcomputer is relatively low again simultaneously, and the time that its program of carrying out all address end warning messages of scanning need be used is long again.
The utility model content
The utility model be for the monitoring capability that solves existing wireless alarm system poor, but a limited number of problems of monitoring objective provide a kind of SCM Based multiple wireless alarm.
SCM Based multiple wireless alarm described in the utility model, it comprises the alerting signal transmitter unit, it also comprises reception signal amplification circuit, alerting signal receiving circuit, single-chip microcomputer and computing machine,
Carry out the signal transmission by wireless mode between alerting signal transmitter unit and the reception signal amplification circuit, the alarm signal output ends that receives signal amplification circuit connects the alerting signal input end of alerting signal receiving circuit, the alarm signal output ends of alerting signal receiving circuit connects the alerting signal input end of single-chip microcomputer, the addressing signal output part of single-chip microcomputer connects the addressing signal input part of alerting signal receiving circuit, and single-chip microcomputer is connected by USB interface with computing machine.
The alerting signal transmitter unit is comprised of infrared sensor, signal transmission circuit and transmission signal amplifying circuit,
Infrared sensor is used for the collection of the alerting signal in the place of monitoring, the alarm signal output ends of infrared sensor connects the alerting signal input end of signal transmission circuit, the alarm signal output ends of signal transmission circuit connects the alerting signal input end of transmission signal amplifying circuit, carries out the signal transmission by wireless mode between transmission signal amplifying circuit and the reception signal amplification circuit.
It is the decoding chip realization of PT2272-L2 that the alerting signal receiving circuit adopts model.
It is the coding chip realization of PT2262 that signal transmission circuit adopts model.
The model of single-chip microcomputer is STM32F103RBT6.
The number scope of alerting signal transmitter unit is 1 to 59049.
The utility model has the advantages that: the single-chip microcomputer that the utility model adopts is take cortex M3 as base nuclear, brought into play to greatest extent the addressing scope of monolithic processor controlled PT2262/PT2272, realized the design of a receiving end, a plurality of warning message transmitting terminals, had that sweep velocity is fast, the monitoring number is many, an accurate advantage of display alarm time and address number.
Description of drawings:
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is the theory diagram of alerting signal transmitter unit.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1 and Fig. 2, the described SCM Based multiple wireless alarm of present embodiment, it comprises alerting signal transmitter unit 1, and it also comprises reception signal amplification circuit 2, alerting signal receiving circuit 3, single-chip microcomputer 4 and computing machine 5
Carry out the signal transmission by wireless mode between alerting signal transmitter unit 1 and the reception signal amplification circuit 2, the alarm signal output ends that receives signal amplification circuit 2 connects the alerting signal input end of alerting signal receiving circuit 3, the alarm signal output ends of alerting signal receiving circuit 3 connects the alerting signal input end of single-chip microcomputer 4, the addressing signal output part of single-chip microcomputer 4 connects the addressing signal input part of alerting signal receiving circuit 3, and single-chip microcomputer 4 and computing machine 5 are connected by USB interface.
Warning message is sent to computing machine 5 by single-chip microcomputer 4 by serial ports, and the time the when address number of computing machine 5 terminals meeting display alarm place and warning, simultaneous computer 5 can arrange correct time to whole warning system.
Embodiment two: below in conjunction with Fig. 2 present embodiment is described, present embodiment is for to the further specifying of embodiment one, and alerting signal transmitter unit 1 is comprised of infrared sensor 1-1, signal transmission circuit 1-2 and transmission signal amplifying circuit 1-3,
Infrared sensor 1-1 is used for the collection of the alerting signal in the place of monitoring, the alarm signal output ends of infrared sensor 1-1 connects the alerting signal input end of signal transmission circuit 1-2, the alarm signal output ends of signal transmission circuit 1-2 connects the alerting signal input end of transmission signal amplifying circuit 1-3, carries out the signal transmission by wireless mode between transmission signal amplifying circuit 1-3 and the reception signal amplification circuit 2.
In the present embodiment, receive signal amplification circuit 2 and transmission signal amplifying circuit 1-3 and be the amplification that realizes its reception signal, can adopt J04V, ultimate range is the power model of 100M.The infrared sensor 1-1 that adopts is very convenient to the monitoring of door and window warning message.
Embodiment three: present embodiment is for to the further specifying of embodiment one or two, and it is that the decoding chip of PT2272-L2 is realized that alerting signal receiving circuit 3 adopts models.
Embodiment four: present embodiment is for to embodiment one, two or three further specify, and it is that the coding chip of PT2262 is realized that signal transmission circuit 1-2 adopts model.
The PT2262/PT2272 chip is three-state address end pin, can be respectively unsettled high resistant, three kinds of states of high level and low level, take PT2272-L2 as example, PT2272-L2 has A0 ~ A9 totally 10 address pin, and then compiling address mode has 3 10 power kinds combination, counts 59049 kinds.
But present embodiment utilizes the highest frequency multiplication of machine frequency of single-chip microcomputer to 72MHZ, the IO mouth can be realized respectively high level, the characteristics of low level and high resistant, control the A0 of PT2272-L2 receiving chip ~ A9 address end, so that the geocoding of a certain moment PT2272-L2 is consistent with the address of a PT2262 transmitting terminal, finishing herein, warning message transmits, warning message is by the data terminal transmission of PT2262/PT2272, if any warning, this data-triggered singlechip interruption then, single-chip microcomputer are with the current time and trigger the address number of interrupting and send in the lump the terminal alarm by serial interface.The temporal information of whole system has been utilized the inside RTC real-time clock of STM32F103RBT6 single-chip microcomputer, has avoided the expense of extra increase clock chip, and system's electrifying startup arranges the orthochronous value by terminal.
Embodiment five: present embodiment is for to embodiment one, two, three or four further specify, and the model of single-chip microcomputer 4 is STM32F103RBT6.
Described single-chip microcomputer 4 is take CortexM3 as base nuclear.This single-chip microcomputer 4 can be controlled the address value of receiving chip PT2272-L2, realizes high resistant, high level and the low level switching of each address value, thereby has realized by a PT2272 receiving end, finishes the circulation address pairing to a plurality of PT2262 transmitting terminals.
Embodiment six: below in conjunction with Fig. 1 present embodiment is described, present embodiment is for to embodiment one, two, three, four or five further specify, and the number scope of alerting signal transmitter unit 1 is 1 to 59049.
In the utility model, the number of alerting signal transmitter unit 1 can reach 3 10 powers, realized multiple wireless is transmitted the reception of warning message with the time overhead of minimum, the wasting of resources scheme of having avoided a traditional PT2262 to match a PT2272 can be widely used in monitoring the intensive and numerous occasion in place.
The utility model is identical by the fixing PT2262 chip address in a certain moment PT2272 of single-chip microcomputer 4 control and certain address, has or not warning message to transmit this PT2262 monitoring place, adopts the mode that circulates to give the A0 of PT2272-L2 ~ A9 value.Adopted the PLL PHASE-LOCKED LOOP PLL TECHNIQUE because of the single-chip microcomputer take Cortex M3 as base nuclear simultaneously, can be with device cycle frequency multiplication to 72MHZ, this is higher than 1MHZ machine frequency 12MHZ crystal oscillator 12 frequency divisions of 80C51 single-chip microcomputer far away, thereby so that same scan task is finished whole scannings sooner take Cortex M3 as the single-chip microcomputer of base nuclear.
This is new in use novel, and the hardware components of alerting signal transmitter unit 1 need to be installed on needs the door and window of detection site place; The signal receiving part Surveillance center that is placed in.5 pairs of systems of computing machine carry out the correct time setting after system's energising; When each check point door and window is all normally closed, each transmitter module can return the logical one value, and the receiving element address code that can circulate detects respectively the data that each transmitting terminal sends, then show alarm free information such as the data bit logical one that receives, continue the address substitute and detect; After the door and window of certain detection position is opened, infrared sensor meeting output logic " 0 ", this numerical value is amplified transmission by the PT2262 addressing by signal, the take over party is when each transmitting terminal of scanning, in case the data bit of returning through PT2272 is logical zero, then trigger singlechip interruption, carry out interrupt routine, interrupt routine can and trigger with the current time in system address number transmission serial ports that interrupts and export to terminal; Can continue the alarm condition of other address values of scanning after interruption is returned, also have logic zero data to return such as other places, address, then representing this place also has door and window to be opened, and the singlechip interruption program also is triggered, the transmission of deadline and address number.Thereby terminal can show and record the warning message of each check point.
Claims (6)
1. SCM Based multiple wireless alarm, it comprises alerting signal transmitter unit (1), it is characterized in that: it also comprises and receives signal amplification circuit (2), alerting signal receiving circuit (3), single-chip microcomputer (4) and computing machine (5),
Carry out the signal transmission by wireless mode between alerting signal transmitter unit (1) and the reception signal amplification circuit (2), the alarm signal output ends that receives signal amplification circuit (2) connects the alerting signal input end of alerting signal receiving circuit (3), the alarm signal output ends of alerting signal receiving circuit (3) connects the alerting signal input end of single-chip microcomputer (4), the addressing signal output part of single-chip microcomputer (4) connects the addressing signal input part of alerting signal receiving circuit (3), and single-chip microcomputer (4) is connected by USB interface with computing machine (5).
2. SCM Based multiple wireless alarm according to claim 1, it is characterized in that: alerting signal transmitter unit (1) is comprised of infrared sensor (1-1), signal transmission circuit (1-2) and transmission signal amplifying circuit (1-3),
Infrared sensor (1-1) is used for the collection of the alerting signal in the place of monitoring, the alarm signal output ends of infrared sensor (1-1) connects the alerting signal input end of signal transmission circuit (1-2), the alarm signal output ends of signal transmission circuit (1-2) connects the alerting signal input end of transmission signal amplifying circuit (1-3), carries out the signal transmission by wireless mode between transmission signal amplifying circuit (1-3) and the reception signal amplification circuit (2).
3. SCM Based multiple wireless alarm according to claim 1 and 2 is characterized in that: it is that the decoding chip of PT2272-L2 is realized that alerting signal receiving circuit (3) adopts model.
4. SCM Based multiple wireless alarm according to claim 2 is characterized in that: it is that the coding chip of PT2262 is realized that signal transmission circuit (1-2) adopts model.
5. SCM Based multiple wireless alarm according to claim 1 and 2, it is characterized in that: the model of single-chip microcomputer (4) is STM32F103RBT6.
6. SCM Based multiple wireless alarm according to claim 1 and 2, it is characterized in that: the number scope of alerting signal transmitter unit (1) is 1 to 59049.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220357699 CN202662141U (en) | 2012-07-23 | 2012-07-23 | Singlechip-based multi-path wireless alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220357699 CN202662141U (en) | 2012-07-23 | 2012-07-23 | Singlechip-based multi-path wireless alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202662141U true CN202662141U (en) | 2013-01-09 |
Family
ID=47457029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220357699 Expired - Fee Related CN202662141U (en) | 2012-07-23 | 2012-07-23 | Singlechip-based multi-path wireless alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202662141U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952434A (en) * | 2017-03-02 | 2017-07-14 | 长沙开雅电子科技有限公司 | A kind of SCM Based infrared voice warning system |
| CN108305425A (en) * | 2017-01-11 | 2018-07-20 | 长沙乐昌林电子科技有限公司 | A kind of infrared voice Design of Alarm System |
-
2012
- 2012-07-23 CN CN 201220357699 patent/CN202662141U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305425A (en) * | 2017-01-11 | 2018-07-20 | 长沙乐昌林电子科技有限公司 | A kind of infrared voice Design of Alarm System |
| CN106952434A (en) * | 2017-03-02 | 2017-07-14 | 长沙开雅电子科技有限公司 | A kind of SCM Based infrared voice warning system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wang et al. | System of wireless temperature and humidity monitoring based on Arduino Uno platform | |
| US5028918A (en) | Identification transponder circuit | |
| CN201867643U (en) | Intelligent home central controller | |
| CN102917024B (en) | Based on milk quality monitoring system and the monitoring method thereof of cloud computing and RFID | |
| CN102122363B (en) | Interactive electronic tag technology-based anti-collision method | |
| CN101784132A (en) | Wireless sensor network gateway equipment supporting Zigbee protocol and GPRS communication standard | |
| CN202662141U (en) | Singlechip-based multi-path wireless alarm | |
| CN203299198U (en) | Soil environment monitoring data collection terminal based on SDI-12 bus | |
| CN109903539A (en) | A kind of narrowband NB-IOT communication module group and its application method for ultrasonic water meter | |
| CN109470319A (en) | A kind of NB-IOT mould group dedicated for Ultrasonic Intelligent water meter | |
| CN105006086A (en) | Alarm system and method for preventing small animals from intruding into transformer station | |
| CN203338545U (en) | A household environment wireless monitoring system | |
| CN206789018U (en) | A kind of family endowment system based on ZigBee indoor positioning technologies | |
| CN216348829U (en) | Multipurpose detection device for box-type transformer substation, ring main unit and branch box | |
| CN204666186U (en) | Based on the storage environment monitoring system of wireless network | |
| CN203763062U (en) | Poultry body temperature wireless monitoring device | |
| CN205679973U (en) | A kind of power equipment based on telecommunication is monitored and warning system in real time | |
| CN206610430U (en) | A kind of SCM Based multi-point information acquisition system | |
| CN203733017U (en) | Switch cabinet dynamic indicating device | |
| CN208903383U (en) | A kind of unattended intelligent warning stake | |
| CN202563340U (en) | Water resource remote monitoring and motor protecting system based on wireless transmission | |
| CN202433041U (en) | Greenhouse environment monitoring system | |
| CN202013641U (en) | Intelligent multi-point temperature measurement wireless transmitter | |
| CN109903535A (en) | A kind of narrowband NB-IOT communication module group and its application method for ultrasonic calorimeter | |
| CN203982151U (en) | Based on the harmful gas supervisory system of Zigbee and GSM network |
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: 20130109 Termination date: 20150723 |
|
| EXPY | Termination of patent right or utility model |