CN202887415U

CN202887415U - Wireless alarm

Info

Publication number: CN202887415U
Application number: CN 201220036224
Authority: CN
Inventors: 李成
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-06
Filing date: 2012-02-06
Publication date: 2013-04-17
Anticipated expiration: 2022-02-06

Abstract

The utility model relates to a wireless alarm, which belongs to the security protection field. The wireless alarm comprises a one-chip microcomputer, a serial port expansion chip, a real-time clock chip, a power supply management chip, a wireless communication module, a global positioning system module, a battery, a circuit board and a mercury switch, etc. By setting the one-chip microcomputer wakeup and alarm means through serial ports or in a remote way, the wireless alarm enables wakeup in a timing manner and wakeup in case of changes in the external input port states. After the one-chip microcomputer is woken up, the state of each input port of the one-chip microcomputer and the coordinate data of the global positioning system, etc. are sent to a set alarm center. The alarm center number, the emergency contact person mobile phone number and the server address, etc. can be set and modified through serial ports or in a remote way.

Description

Wireless alarm

Technical field

The utility model relates to a kind of wireless alarm, belongs to safety-security area.

Background technology

The existing GPS of having location all is to adopt AC power or automobile storage battery power supply with the wireless alarm that is connected cell phone network basically, can not arbitrarily monitor mobile object or the object of being inconvenient to power.The wireless alarm that adopts the chargeable lithium cell power supply is also arranged certainly, but these alarm fundamental purposes are in the short time certain object being monitored, the normal operation time can be above one month, they do not have flexibly wake-up trigger mode simultaneously, the set-up mode of also not reporting to the police flexibly is not suitable for the occasion that those need long-term monitoring and report to the police flexibly.

In addition, common similar alarm does not all have configuration, debug serial port, produce and field-mounted process in can't know whether the duty of alarm and configuration parameter correct, make troubles for product and use, also may owing to parameter configuration is incorrect can't Normal Alarm.

Summary of the invention

The purpose of this utility model be to provide a kind of easy to use, type of alarm flexibly, the wireless alarm that can use for a long time.

The technical scheme that the utility model is taked is: wireless communication module, GPS module, single-chip microcomputer, serial port extended chip, real-time timepiece chip, battery, DC-to-DC conversion chip, low pressure difference linearity voltage stabilizing chip, mercury cut-off, ball switch, tongue tube, circuit board, and disposable high capacity cell or large capacity rechargeable battery etc.

Common single-chip microcomputer only has a serial ports, can't communicate with the wireless communication module and the GPS module that adopt serial communication simultaneously, serial port extended chip can be 3 with a serial ports expansion of single-chip microcomputer and can receive simultaneously, send out the substring mouth of data, wherein two sub-serial ports are connected with GPS module with wireless communication module respectively, another substring mouth is drawn by connector or connection terminal, in needs, connect PC and carry out the setting of alarm work parameter, and the various status informations of output alarm device are to PC, in order to pass through the duty of computer display alarm various piece in the production run.

This product adopts disposable battery or rechargeable battery power supply, in use cell voltage can reduce gradually, battery nominal voltage situation according to concrete use, may need to use DC-to-DC conversion chip cell voltage to be maintained in the voltage range that is fit to each module module and chip operation, can certainly adopt low pressure difference linearity voltage stabilizing chip to certain module and chip power supply, perhaps use simultaneously as required two types power management chip to reach optimum efficiency.

Can be by mobile module long-range or PC situ configuration current time, time of fire alarming, type of alarm, enable or forbid arousal function of some input port etc.After setting time of fire alarming, time of fire alarming can be exported the single-chip microcomputer of trigger pulse in will sleeping to real-time timepiece chip interrupt output mouth and wake up, single-chip microcomputer by note or GPRS mode send one comprise gps coordinate, multi-channel input mouth state in interior information to setting number or server.If mercury cut-off, tongue tube or other outside inputs are interrupted being enabled, and the corresponding ports state changes, and also can wake single-chip microcomputer up and send one and the similar warning information in front.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described further.

Fig. 1 is the utility model theory diagram.

Embodiment

Fig. 1 is the present embodiment theory diagram, single-chip microcomputer is connected with female serial ports of serial port extended chip with address wire by serial ports, female serial ports expansion goes out three substring mouths that work alone, wherein substring mouth 0 is connected with GSM/CDMA wireless communication module (mobile module), substring mouth 1 is connected with GPS module (GPS module), and substring mouth 2 is connected to connection terminal.A plurality of common input ports with arousal function of single-chip microcomputer are connected clock interrupt output mouth with mercury cut-off, tongue tube, RTC real-time timepiece chip etc. and are connected with the external interrupt input port, ball switch also can be connected to one of them input port as required, the input port of several roads with arousal function also can be drawn by connection terminal in addition, is used for connecting outside switching value input or the input of other alarm sensor signals.

Single-chip microcomputer is connected with the corresponding IIC data-interface of RTC real-time timepiece chip by iic bus, and single-chip microcomputer can arrange current time and the time of fire alarming of RTC clock chip.RTC chip meeting output alarm trigger pulse when the time of fire alarming of current time and setting is consistent, this pulse can wake single-chip microcomputer up and send a timing alarm information.

The present embodiment adopts disposable high-capacity lithium battery or large capacity chargeable lithium cell power supply, cell voltage can reduce gradually in the use procedure, because the minimum operating voltage of gsm module requires to be not less than 3.3V, but the termination sparking voltage of battery is 3.0V, so must adopt the DC/DC chip that boosts that cell voltage is stabilized in about 4.2V for gsm module, simultaneously because the GPS module, single-chip microcomputer, the RTC clock chip, serial port extended chips etc. only need the supply voltage of 3.0V, so adopt respectively several low pressure difference linearity voltage stabilizing (LDO) chip power supplies with output enable control, except single-chip microcomputer and RTC chip, remaining power management chip all has the output enable control end, perhaps external load switch, in order to behind sign off, close the power supply of these modules or chip, prolong the serviceable life of this product with this.

After the outage of all modules and serial port extended chip and single-chip microcomputer enter little power consumption sleep pattern, the power consumption of whole system is less than 20uA, calculate according to sending a warning information every day, if adopt the disposable lithium cell of 3AH, alarm can reach more than 3 years serviceable life.

Use dirigibility and product reliability in order to improve alarm, done wrong report at scm software and filtered, can effectively avoid the product wrong report.

Can configure or revise the current time, regularly report the time interval, forbid or enable the arousal function of any one input port by substring mouth 2 scenes and note or GPRS remote data mode.Such as the GPS position that can be set to report in a day primary production and each input port state, also can be set to report the primary production position in several hours or several days, also can open simultaneously or closing mercury switch arousal function etc.

Simultaneously also can be on-the-spot or long-range setting and revise alarm center number, emergency contacts phone number, server address etc., in order to adapt to the actual operating position of different user.

Specific external interrupt input port of single-chip microcomputer is dragged down, single-chip microcomputer can enter producer's test pattern from sleep pattern or normal procedure pattern, single-chip microcomputer can be with gps coordinate information under this pattern, the cellular base station signal intensity, GSM network registry state, the alarm center number, the emergency contacts phone number, each external interrupt and have the enabling and forbid situation of input port of arousal function, mercury cut-off, tongue tube, and the level state etc. that is connected to connection terminal all passes through 2 outputs of substring mouth, production and on-the-spot installation personnel can demonstrate these information by computer, in order to understand the actual working state of alarm and the requirement whether configuring condition meets us, improve reliability and the dirigibility of product with this.

Above introduction only be based on a preferred embodiment of the present invention; can not limit scope of the present invention with this; any replacement, combination, separation of device of the present invention being done parts well know in the art, and step of the invention process done equal change well know in the art or replace all not exceed the scope that the present invention discloses and protects.

Claims

1. wireless alarm is characterized in that: comprise single-chip microcomputer, serial port extended chip, real-time timepiece chip, power management chip, wireless communication module, GPS module, battery, circuit board; Single-chip microcomputer is connected with serial port extended chip, and wireless communication module and GPS module connect from the different substring mouths of serial port extended chip respectively; Real-time timepiece chip is connected with single-chip microcomputer.

2. wireless alarm according to claim 1 is characterized in that: also comprise tongue tube, ball switch, mercury cut-off.

3. wireless alarm according to claim 1 is characterized in that: female serial ports of described single-chip microcomputer and serial port extended chip and input, OPADD line are connected.

4. wireless alarm according to claim 1, it is characterized in that: the two-way substring mouth of described serial port extended chip is connected with wireless communication module, GPS module respectively.

5. wireless alarm according to claim 2, it is characterized in that: described mercury cut-off, tongue tube, ball switch are connected with the input port with arousal function of single-chip microcomputer respectively.

6. wireless alarm according to claim 1, it is characterized in that: the clock interrupt output of described real-time timepiece chip is connected with the input port with arousal function of single-chip microcomputer.

7. wireless alarm according to claim 1, it is characterized in that: described power management chip comprises DC-to-DC conversion chip and low pressure difference linearity voltage stabilizing chip.