A kind of warning system for positive-pressure type respiratory organTechnical field
This utility model discloses the technical field for being related to positive-pressure type respiratory organ, more particularly to a kind of for positive-pressure type respiratory organWarning system.
Background technology
Positive-pressure type respiratory organ, also known as air respiratorresuscitator or fire-fighting air respirator.Positive-pressure type respiratory organ is every fire-fighting officialSoldier enters the indispensable instrument during scene of a fire.
In order to improve the safety that positive-pressure type respiratory organ is used, a set of system that reports to the police in each positive-pressure type respiratory organ, is both provided withSystem.However, the problems such as voice broadcast and high fault rate cannot being carried out in existing warning system.
Therefore, a kind of new warning system how is researched and developed, to solve the above problems, becomes people's problem demanding prompt solution.
Utility model content
In consideration of it, this utility model discloses a kind of warning system for positive-pressure type respiratory organ of offer, it is existing at least to solveWith the presence of warning system the problems such as cannot carrying out voice broadcast and high fault rate.
The technical scheme that this utility model is provided, specifically, a kind of warning system for positive-pressure type respiratory organ, it is described justThe mask that pressure type respiratory organ is included source of the gas and connected with the source of the gas, it is characterised in that the warning system includes：Machinery pressurePower table 1, pressure transducer 2, first pressure collecting unit 3, second pressure collecting unit 4, microprocessor 5, temperature sensor 6,Wireless transmission unit 7, radio receiving unit 8 and voice broadcast unit 9；
Outfan of the input of the input of the mechanical pressure gauge 1 and the pressure transducer 2 with the source of the gasConnection；
The input of the first pressure collecting unit 3 is connected with the outfan of the mechanical pressure gauge 1, first pressureThe outfan of power collecting unit 3 is connected with the first input end of the microprocessor 5；
The input of the second pressure collecting unit 4 is connected with the outfan of the pressure transducer 2, second pressureThe outfan of power collecting unit 4 is connected with the second input of the microprocessor 5；
The outfan of the temperature sensor 6 is connected with the 3rd input of the microprocessor 5；
First outfan of the microprocessor 5 is connected with the input of the wireless transmission unit 7；
The radio receiving unit 8 is arranged on the mask, and the input of the radio receiving unit 8 and the nothingThe outfan connection of line transmitting element 7；
The voice broadcast unit 9 is arranged on the mask, and the input of the voice broadcast unit 9 and the nothingThe first outfan connection of line receiving unit 8.
It is preferred that, the warning system also includes：Liquid crystal display 10, the input of the liquid crystal display 10 and instituteState the second outfan connection of radio receiving unit 8.
Further preferably, the liquid crystal display 10 is OLED liquid crystal displays.
Further preferably, the warning system also includes：Vibrating sensor 11, the vibrating sensor 11 are installed on describedOn source of the gas, and the outfan of the vibrating sensor 11 is connected with the 4th input of the microprocessor 5.
Further preferably, the warning system also includes：Wireless talkback unit, the wireless talkback unit are arranged at describedOn mask.
Further preferably, the warning system also includes：Acousto-optic warning unit 13, the input of the acousto-optic warning unit 13End is connected with the second outfan of the microprocessor 5.
Further preferably, the acousto-optic warning unit 13 includes：Buzzer, LED light emitting diodes and buzzer driveCircuit；
The outfan of the buzzer drive circuit is connected with the buzzer input, and the buzzer drive circuitFor multiplication of voltage drive circuit.
Further preferably, the multiplication of voltage drive circuit includes the first operational amplifier U1A and the second operational amplifier U1B；
The positive and negative electrode of the first operational amplifier U1A inputs respectively with the second operational amplifier U1B inputsThe latter termination reference voltage of positive and negative electrode inverse parallel, another termination frequency input；
The outfan of the outfan of the first operational amplifier U1A and the second operational amplifier U1B with it is describedBuzzer input connects.
The warning system for positive-pressure type respiratory organ that this utility model is provided, is respectively provided with machinery in warning systemPressure gauge and pressure transducer, using both mechanically and electrically detecting to the air pressure of source of the gas in terms of two simultaneously, in case electronic installation(pressure transducer) is under-voltage or during failure, user still can understand the situation of remaining air pressure in source of the gas by mechanical pressure gauge,Dual fail-safe is played, fault rate is reduced, in the warning system, is also provided with the environment that temperature sensor works to positive-pressure type respiratory organTemperature carries out real-time detection, and the atmospheric pressure value of above-mentioned detection and temperature value are sent after microprocessor processed, and can be sent out by wirelessSend unit to be sent in the radio receiving unit on mask, and above-mentioned detection information is all adopted by voice broadcast unitSpeech form and light show to be reported, and convenient use person has a clear understanding of the current working condition of positive-pressure type respiratory organ, improvesSafety coefficient.
Description of the drawings
During accompanying drawing herein is merged in description and the part of this specification is constituted, show and meet of the present utility modelEmbodiment, and be used for explaining principle of the present utility model together with description.
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodimentOr accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, for ordinary skill peopleFor member, without having to pay creative labor, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 discloses a kind of module of warning system for positive-pressure type respiratory organ that embodiment is provided for this utility modelFigure；
Fig. 2 discloses the multiplication of voltage in a kind of warning system for positive-pressure type respiratory organ that embodiment is provided for this utility modelDrive circuit figure.
Specific embodiment
Here in detail exemplary embodiment will be illustrated, its example is illustrated in the accompanying drawings.Explained below is related toDuring accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodimentDescribed in embodiment do not represent all embodiments consistent with this utility model.Conversely, they be only with such asThe example of consistent apparatus and method in terms of being described in detail in appended claims, more of the present utility model.
Be a kind of warning system for positive-pressure type respiratory organ referring to Fig. 1, wherein, positive-pressure type respiratory organ include source of the gas andThe mask connected with source of the gas, above-mentioned warning system are included：Mechanical pressure gauge 1, pressure transducer 2, first pressure collecting unit3rd, second pressure collecting unit 4, microprocessor 5, temperature sensor 6, wireless transmission unit 7, radio receiving unit 8 and voiceUnit 9 is reported, wherein, the input of the input and pressure transducer 2 of mechanical pressure gauge 1 is connected with the outfan of source of the gas,For detecting to the air pressure in source of the gas simultaneously, the input of first pressure collecting unit 3 and the outfan of mechanical pressure gauge 1Connection, for the atmospheric pressure value in collection machinery pressure gauge, the outfan of first pressure collecting unit 3 and the first of microprocessor 5Input connects, and will collect atmospheric pressure value and be sent in microprocessor, the input and pressure sensing of second pressure collecting unit 4The outfan connection of device 2, for gathering the atmospheric pressure value in pressure transducer, and the outfan of second pressure collecting unit 4 with it is micro-Processor 5 the second input connection, atmospheric pressure value will be collected and be sent in microprocessor, the outfan of temperature sensor 6 withThe 3rd input connection of microprocessor 5, the temperature sensor will detect ambient temperature value and be sent in microprocessor, micro- placeFirst outfan of reason device 5 is connected with the input of wireless transmission unit 7, and the atmospheric pressure value and temperature value after process is passed through nothingLine transmitting element is transmitted, and radio receiving unit 8 is arranged on mask, and the input of radio receiving unit 8 is sent out with wirelessThe outfan of unit 7 is sent to connect, radio receiving unit receives atmospheric pressure value and the temperature value that wireless transmission unit sends, voice is broadcastDeclaration form unit 9 is arranged on mask, and the input of voice broadcast unit 9 is connected with the first outfan of radio receiving unit 8, willThe atmospheric pressure value and temperature value that radio receiving unit is received carries out voice broadcast.
Referring to Fig. 1, can also arrange in warning system：Liquid crystal display 10, the input of the liquid crystal display 10End is connected with the second outfan of radio receiving unit 8, and the information that radio receiving unit is received all is shown, it is preferable thatLiquid crystal display 10 is OLED liquid crystal displays.
Referring to Fig. 1, can also arrange in warning system：Vibrating sensor 11, the vibrating sensor 11 are installed on source of the gasOn, and the outfan of vibrating sensor 11 is connected with the 4th input of microprocessor 5, the vibrating sensor can adopt highly sensitiveDegree vibroswitch, can pass through the static make-and-break signal different from movable generation of respiratory organ, break-make of the microprocessor by collectionSignal come judge respiratory organ be activity or it is static, judge whether that needs carry out tumble warning with this.
Referring to Fig. 1, can also arrange in warning system：Wireless talkback unit, the wireless talkback unit are arranged at maskOn, can using the high-fidelity transmitter receiver such as Motorola, user in use can by wireless talkback module to back court or itsHis team member links up in time and uses field condition, enables policymaker or other team members to understand field condition in time.
Referring to Fig. 1, can also arrange in warning system：Acousto-optic warning unit 13, the input of the acousto-optic warning unit 13End is connected with the second outfan of microprocessor 5, has microprocessor control whether to report to the police, wherein, acousto-optic warning unit 13 includes：Buzzer, LED light emitting diodes and buzzer drive circuit, outfan and the buzzer input of buzzer drive circuit connectConnect, and buzzer drive circuit is multiplication of voltage drive circuit.
Referring to Fig. 2, multiplication of voltage drive circuit includes the first operational amplifier U1A and the second operational amplifier U1B, the first computingThe positive and negative electrode of the amplifier U1A inputs latter termination of positive and negative electrode inverse parallel respectively with the second operational amplifier U1B inputsReference voltage, another termination frequency input, the output of the outfan of the first operational amplifier U1A and the second operational amplifier U1BEnd is connected with buzzer input.
Wherein, referring to Fig. 2, reference voltage is obtained by R1 and R2 partial pressures, and span should be in BEEP_PWM frequency signalsThe half of peak-to-peak value.
When frequency signal is higher than reference voltage, the 7 feet output 0V of the 1 foot output+15V of U1A, U1B；When frequency signal it is lowWhen reference voltage, 1 foot the output 0V, the 7 foot output+15V of U1B of U1A.
As voltage reference points, when frequency signal is higher than reference voltage, 2 ends of buzzer J1 compare 1 to 1 end with buzzer J1Hold low 15V；When frequency signal is less than reference voltage, the 2 ends 15V higher than 1 end of buzzer J1.
So during frequency signal oscillation, the peak-to-peak value that buzzer J1 is received is 30V, that is, amplifier is powered electricity2 times of pressure, realize the function of multiplication of voltage.
Those skilled in the art are will readily occur to practical considering description and after putting into practice utility model disclosed hereinOther new embodiment.The application is intended to any modification of the present utility model, purposes or adaptations, theseModification, purposes or adaptations follow general principle of the present utility model and including undocumented skill of this utility modelCommon knowledge or conventional techniques in art field.Description and embodiments be considered only as it is exemplary, it is of the present utility modelTrue scope and spirit are pointed out by claim below.
It should be appreciated that this utility model is not limited to the accurate knot for being described above and being shown in the drawingsStructure, and various modifications and changes can be being carried out without departing from the scope.Scope of the present utility model only will by appended rightAsk to limit.