CN207281970U

CN207281970U - Manual alarm module

Info

Publication number: CN207281970U
Application number: CN201721194183.0U
Authority: CN
Inventors: 王杨; 张超琼; 张学东
Original assignee: Eastern Strong Emergency Equipment Technology Wuxi Co Ltd
Current assignee: Eastern Strong Emergency Equipment Technology Wuxi Co Ltd
Priority date: 2017-09-18
Filing date: 2017-09-18
Publication date: 2018-04-27
Anticipated expiration: 2027-09-18

Abstract

The utility model provides manual alarm module, is installed on inside compressed oxygen self-lifesaving device, including：Power supply, microcontroller, alarm module and Condition Detection module, power supply is electrically connected with microcontroller, alarm module and Condition Detection module, for providing its operating current；The microcontroller selects the chip with sleep pattern, and the pin of the arousal function of the microcontroller connects Condition Detection module, for receiving device status information；The signal output pin of the microcontroller is connected with alarm module, the pin being connected with alarm module also has arousal function, the utility model is inside self-rescuer, when starting self-rescuer startup when facing a danger, the trigger element detection trigger circuit being installed in equipment, exceptional instructions are sent to microcontroller, microcontroller sends alarm command control sound-light alarm；With reference to self-rescuer, the user of service can be made outwards to cry for help when wrecked, also the wrecked personnel of raising of high degree wait for rescue the time.

Description

Manual alarm module

Technical field

The utility model is related to alarm, more particularly to it is a kind of realize manually release equipment when triggering alarm manual alarm Module.

Background technology

Compressed oxygen self-lifesaving device is called isolating compressed oxygen self-lifesaving device, is repeatable using high pressure compressed oxygen as source of oxygen The self-help escape equipment used, it is prominent and scarce mainly to occur toxic and harmful gas in the operating environment of colliery or normal atmospheric pressure Used during oxygen apnea disaster.

Self-rescuer major function currently on the market is used to completely cut off breathing pernicious gas, but can not during actual search and rescue What is avoided runs into second accident, or even influences whether the personal safety of rescue worker.

Utility model content

Present patent application provides manual alarm module, can send an SOS when self-rescuer starts, easy to it His rescue worker's fast searching, the utility model use following technical scheme：Manual alarm module, is installed on compressed oxygen self-lifesaving device Inside, including：Power supply, microcontroller, alarm module and Condition Detection module, power supply and microcontroller, Alarm module and Condition Detection module are electrically connected, for providing its operating current；The microcontroller, which is selected, to be had The chip of sleep pattern, the pin of the arousal function of the microcontroller connects Condition Detection module, for receiving device state Information；The signal output pin of the microcontroller is connected with alarm module, and the pin being connected with alarm module also has There is arousal function.

Preferably, the Condition Detection module includes：Trigger element, detection circuit, trigger element are installed on equipment At test point, trigger element is used for detection trigger circuit, and detection circuit connects microcontroller.

Preferably, alarm module uses sound-light alarm, sends and continues or pulse when microcontroller enters alarm condition Ripple is instructed to acoustic-optic alarm.

Preferably, booster circuit, the booster circuit input termination power supply, for being put to supply voltage have been further included The big rated voltage for reaching audible alarm, output connect audible alarm.

Preferably, releasing alarm module has been further included, has been connected with microcontroller pin, has alarmed for releasing, makes microcontroller extensive Sleep state is arrived again.

Preferably, acoustic alarm can use ultrasonic wave or infrasound to rely on buzzer to realize that amplification is propagated as energy carrier.

The beneficial effects of the utility model：The utility model is inside self-rescuer, and when facing a danger, startup self-rescuer opens When dynamic, the trigger element detection trigger circuit that is installed in equipment sends exceptional instructions to microcontroller, microcontroller sends alarm and refers to Order control sound-light alarm；In present patent application, alarmed using when the chip with sleep function, alarm using compartment, and adopt Alarm recovery chip sleep is released manually with mandatory, is reduced power consumption, is realized energy saving, extension waiting time；With reference to self-rescuer, User of service can be made outwards to cry for help when wrecked, also the wrecked personnel of raising of high degree wait for rescue the time.

Brief description of the drawings

Fig. 1 is frame diagram of the utility model on manual alarm module；

Fig. 2 is fundamental diagram of the present patent application on manual alarm module；

Fig. 3 is the circuit diagram of manual alarm module；

Fig. 4 is a kind of structure diagram of embodiment of the self-rescuer with reference to generator for signal crying for help.

Embodiment

Shown in Fig. 1, Fig. 2, manual alarm module, including：Microcontroller, power supply, alarm module, equipment State detection module, power supply are used to provide operating current to microcontroller, alarm module, Condition Detection module, Condition Detection module is connected with microcontroller, for status information of equipment to be transferred to microcontroller；The microcontroller also with report Alert reminding module connection, for sending alarm command.

Condition Detection module includes：Trigger element, detection circuit, trigger element are installed at equipment test point, are touched Hair element is used for detection trigger circuit, and detection circuit connects microcontroller, and when equipment test point is abnormal, trigger element triggering is detected electricity Road, detection circuit send abnormal state information to microcontroller.

Microcontroller uses the microcontroller with sleep mode series, and sleep standby shape is entered after microcontroller access power supply State.

Detection circuit output digit signals are to microcontroller, and microcontroller is waken up into alarm condition when abnormal.

Alarm module uses sound-light alarm, and microcontroller sends constant instruction or pulse command and gives alarm module.

Further include booster circuit, meet the voltage requirements of alarm module for boosting during necessary situation.

Releasing alarm module has been further included, has been connected with microcontroller pin, has alarmed for releasing, microcontroller is returned to sleep State.

Arrangement known state detection module is using magnetic induction equipment as shown in Figure 3, specifically using magnet as triggering Element, DH248 Hall elements as being used to experiencing the critical elements of trigger element in detection circuit, detection circuit also have capacitance, Resistance, 1 pin of DH248（VDD pins）, 2 pins（Out pins）Indirect resistance R1, DH248 1 pin, 3 pins（GND Pin）2 pins of indirect filter capacitor C1, DH248 and the indirect ground capacity C2 of 3 pins；1 pin and capacitance of DH248 The public termination power supply of C1, resistance R1, the common end grounding of 3 pins and capacitance C1, C2,2 pins connect the wake-up of microcontroller Functional pin, for waking up microcontroller.

Microcontroller can use EM78P153SP chips, the VDD pins of chip（4 pins）Connect power supply, monolithic during energization Machine in a dormant state, the arousal function pin of chip（2nd, 3,5,6,8,9,10 pin）Any pin connects 2 pins of DH248 （Out pins）, 5 pins are selected in Fig. 2, the arousal function pin of chip is used for the information of receiving device state, works as status information Chip is waken up when abnormal；Chip is just alarmed when being waken up, so alarm module is also connected on the wake-up work(of said chip On energy pin（Except 5 pins）.

In the embodiment that Fig. 3 is provided, alarm module flickers alarm and audible alarm, alarm side using indicator light Formula, which is respectively that there are sequencing, the 8 pins instruction control of EM78P153SP chips between compartment and two type of alarms, to be referred to Show lamp flicker, 9 pin output orders control audible alarm.

It is specifically：Another termination NMOS tube Q1 grids of 8 pin connecting resistance R2, resistance R2 of EM78P153SP chips, Q1 source electrode ground connection and with another termination LED light of drain electrode the connecting resistance R5, resistance R5 of the indirect resistance R3, Q1 of grid Cathode, the anode of LED light connect power supply, and 8 pins send alarm command and realize one to indicator light when microcontroller is waken up Determine the alarm of frequency.

9 pins of EM78P153SP chips meet capacitance C4, the base stage of another termination NPN type triode Q2 of capacitance C4, and three The emitter ground connection of pole pipe Q2 and the collector of resistance R4, Q2 is connected between base stage connects booster circuit, for matching sound report Alert voltage.

In the present embodiment, booster circuit terminates power supply, another termination using inductance boost circuit, inductance T mono- The triode Q2 collectors of on-off action, constitute positive generator, and the rated voltage of buzzer is reached after boosting.

Alarmed in the present embodiment using button compulsory commutation, the I/0 pins of EM78P153SP chips（Used in this patent 14 pins）Meet pull down resistor R6,14 pins also connect power supply by conducting wire, button S1 be connected on 14 pins and power supply it Between, 14 pin high level when pressing S1, enter sleep state.

Microcontroller, the driving alarm of square wave formula in present patent application using sleep function, power consumption is extremely low during holding state, carries The high stand-by time of alarm.

Chip in present patent application has a sleep function, using EM78P153SP chips in the embodiment provided, But it is not limited to use the chip, can also uses other chips with sleep function, such as common 51, AVR.

The booster circuit of present patent application is also not necessarily limited to inductance boost, can also use VC9013 bucks chip or XL6009 Booster circuit.

The Condition Detection module of present patent application uses Hall element DH248, can also be supervised using limit switch Survey detection trigger circuit.

Above-mentioned alarm can be used in escape equipment, and by taking compressed oxygen self-lifesaving device as an example, trigger element can be installed on and save oneself At any monitoring point of device, in practical application, trigger element is placed on the executing agency part of self-rescuer unlatching, specifically in Fig. 4 In outer cover open cylinder output arm on, detect cylinder location, judge working status：Outer cover shows compressed oxygen cylinder when ejecting There are oxygen output or self-rescuer in use, start alarm at this time.

The principles and effects of present patent application is only illustrated in above-described embodiment, not for limitation this patent Shen Please.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to present patent application Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of present patent application God is covered with all equivalent modifications or change, the claim that should be asked by this patent completed under technological thought.

Claims

1. manual alarm module, it is characterised in that：It is installed on inside compressed oxygen self-lifesaving device, including：Power supply, microcontroller, report Alert reminding module and Condition Detection module, power supply and microcontroller, alarm module and Condition Detection Module is electrically connected, for providing its operating current；The microcontroller selects the chip with sleep pattern, and the microcontroller is called out The pin for function of waking up connects Condition Detection module, for receiving device status information；The signal output pin of the microcontroller It is connected with alarm module, the pin being connected with alarm module also has arousal function.

2. manual alarm module according to claim 1, it is characterised in that：The Condition Detection module includes：Touch Element, detection circuit are sent out, trigger element is installed at equipment test point, and trigger element is used for detection trigger circuit, detection circuit Connect microcontroller.

3. manual alarm module according to claim 1, it is characterised in that：Alarm module uses sound-light alarm, single Transmission continues when piece machine enters alarm condition or impulse wave is instructed to acoustic-optic alarm.

4. manual alarm module according to claim 3, it is characterised in that：Booster circuit, the boosting electricity are further included Road input termination power supply, for reaching the rated voltage of audible alarm to supply voltage amplification, output connects audible alarm.

5. manual alarm module according to claim 1, it is characterised in that：Releasing alarm module is further included, with monolithic Machine pin connects, and alarms for releasing, microcontroller is returned to sleep state.

6. manual alarm module according to claim 4, it is characterised in that：Acoustic alarm can use ultrasonic wave or infrasound to make For energy carrier, buzzer is relied on to realize that amplification is propagated.