CN209422802U - A kind of powered supplied air system - Google Patents

Abstract

A kind of powered supplied air system, it includes rear cover, is equipped with front cover at the top of rear cover, and air guide interface tube is provided at the top of rear cover and front cover, and air guide interface tube is connected with the air outlet for the assembling shell being arranged in inside rear cover and front cover；The inside of assembling shell is equipped with blower；Multiple canister interfaces are provided on front cover；It further include controller, the data terminal and blower of controller are electrically connected, the air outlet of blower and the air inlet of mask connect, the air inlet of blower is connect at least one canister, controller is single-chip microcontroller, the feeder ear of single-chip microcontroller is connect with battery socket module, and the end PWM of single-chip microcontroller is connect with the input terminal of motor interface module, and the output end of motor interface module is connect with blower.The purpose of this utility model is the technical problem to be improved for the control efficiency of the cruising ability and control assembly that solve to be currently used for the powered supplied air system power supply of breathing mask.

Description

A kind of powered supplied air system

Technical field

The utility model relates to breathing mask auxiliary equipment fields, and in particular to a kind of powered supplied air for breathing mask System.

Background technique

Conventional breathing mask uses filtering type or isolation type, passes through the filter of the filter elements on breathing mask or configuration poison Tank filters the noxious material in outside air, and noxious material when wearer breathes in outside air is filtered, but when wearing When person is in the high space of harmful gas concentration or mask wears imprecision, poison gas leakage is easily caused to make in wearer Poison or asphyxia.Existing filter elements or canister mainly include controller and its peripheral assembly, portable power, so not The control efficiency of the evitable power supply cruising ability and control assembly that can take into account portable power.

Summary of the invention

The purpose of this utility model is the cruising ability to solve to be currently used for the powered supplied air system power supply of breathing mask And the control efficiency technical problem to be improved of control assembly.

A kind of powered supplied air system, it includes rear cover, is equipped with front cover at the top of rear cover, sets at the top of rear cover and front cover It is equipped with air guide interface tube, air guide interface tube is connected with the air outlet for the assembling shell being arranged in inside rear cover and front cover；Wind The inside of machine mounting shell is equipped with blower；Multiple canister interfaces are provided on front cover；It further include controller, the data of controller End is electrically connected with blower, and the air outlet of blower and the air inlet of mask connect, and the air inlet and at least one canister of blower connect It connects, controller is single-chip microcontroller, and the feeder ear of single-chip microcontroller is connect with battery socket module, the end PWM of single-chip microcontroller and motor interface mould The input terminal of block connects, and the output end of motor interface module is connect with blower.

The sending data end of single-chip microcontroller, reception data terminal are connect with download module.

The data port of single-chip microcontroller is connect with LED light module.

The data port of single-chip microcontroller is connect with loudspeaker module.

Above-mentioned single-chip microcontroller controls the on-off of power supply by CTRL.

The CTRL pin of above-mentioned single-chip microcontroller is successively connect with voltage driven element, relay unit, Voltage stabilizing module.

Above-mentioned voltage driven element is triode driving unit, the CTRL pin of single-chip microcontroller and the base of triode driving unit Pole connection, the collector of triode driving unit are connect with relay unit.

The WKUP pin of single-chip microcontroller is connect with key wakeup module, and key wakeup module includes the first key end, and key is called out Module of waking up sends to the WKUP pin of single-chip microcontroller whether pressing according to the first key end and wakes up control signal.

Above-mentioned key wakeup module includes triode unit, and the base stage of triode unit is connect with the first key end, three poles The collector of pipe unit and the WKUP pin of single-chip microcontroller connect.

Switch key module including battery socket module, switch key module include the second key end, switch key mould Whether block passes through the work for controlling battery socket module whether pressing at the second key end.

By adopting the above technical scheme, following technical effect can be brought:

Fan delivery is controlled using STM32 single-chip microcontroller as core, is system power supply by rechargeable lithium battery, is controlled by key The starting of system, the switching of air quantity and system closing, air quantity and battery capacity are indicated by indicator light, referred to buzzer Show lamp to prompt the switching and battery capacity variation of user's air quantity, required air quantity is generated by turbofan.It is above each Component becomes the entirety of organic work by the scheduling of single-chip microcontroller.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples:

Fig. 1 is the structural block diagram of the utility model；

Fig. 2 is the overall structure diagram of the utility model；

Fig. 3 is the circuit diagram of the utility model；

Specific embodiment

A kind of powered supplied air system as shown in Figure 1, it includes rear cover 2, and the top of rear cover 2 is equipped with front cover 1, in rear cover 2 The top of front cover 1 is provided with air guide interface tube 3, air guide interface tube 3 and the assembling being arranged in inside rear cover 2 and front cover 1 The air outlet of shell is connected；The inside of assembling shell is equipped with blower；Multiple canister interfaces 4 are provided on front cover 1；Also wrap Controller 6 is included, the data terminal and blower 5 of controller are electrically connected, and the air outlet of blower 5 is connect with the air inlet of mask 7, blower 5 air inlet is connect at least one canister 8, and controller 6 is single-chip microcontroller, and the feeder ear and battery socket module 9 of single-chip microcontroller connect It connects, the end PWM of single-chip microcontroller is connect with the input terminal of motor interface module 10, and the output end and blower 5 of motor interface module 10 connect It connects.

Further, the sending data end of single-chip microcontroller, reception data terminal are connect with download module 11.

The data port of single-chip microcontroller is connect with LED light module 12, and single-chip microcontroller can so well carried out indicator light Control.

The data port of single-chip microcontroller is connect with loudspeaker module 13, can make single-chip microcontroller well to loudspeaker module 13 in this way It is controlled.

Further, the single-chip microcontroller controls the on-off of power supply by CTRL.In a particular embodiment, single-chip microcontroller CTRL pin is successively connect with voltage driven element 14, relay unit 15, Voltage stabilizing module.

More specifically, voltage driven element 14 is triode driving unit, and the CTRL pin and triode of single-chip microcontroller drive The base stage of unit connects, and the collector of triode driving unit is connect with relay unit 15.

As improved, key wakeup module is further comprised, the WKUP pin of single-chip microcontroller connect with key wakeup module, presses Key wake-up module includes the first key end 16, and key wakeup module is according to the first key end 16 to single-chip microcontroller whether pressing WKUP pin, which is sent, wakes up control signal, can realize that the present apparatus for armed state, is needing when not in use well in this way In use, enhancing the practicability of the present apparatus by pressing bond energy fast wake-up, effectively increasing the continuation of the journey energy of present apparatus entirety Power.

For key wakeup module, specific key wakeup module includes triode unit 17, the base of triode unit 17 Pole is connect with the first key end 16, and the collector of triode unit 17 and the WKUP pin of single-chip microcontroller connect.

Switch key module 18 including battery socket module 9, switch key module 18 include the second key end 19, switch Whether key module 18 passes through the work for controlling battery socket module whether pressing at the second key end 19.

Wherein, the single-chip microcontroller of model STC12C5A60S2, the above triode driving unit, triode may be selected in single-chip microcontroller The optional NPN type triode of unit 17, the light coupling relay of the optional model AQY272 of relay unit 15, Voltage stabilizing module are optional more Grade structure of voltage regulation, for example the multistage of composition is connect with the voltage-stablizer of model AMS1117 surely using the voltage-stablizer of model 78L05 Press mechanism, the optional buzzer of loudspeaker, turbofan its concrete model those skilled in the art may be selected in blower 5 can be according to reality It is selected, is not needed to pay for creative labor.

Using the above structure, it forms a set of using single-chip computer and its peripheral circuit as the system of core, when in use, blower Boiler pressure control using STM32 single-chip microcontroller as core, by rechargeable lithium battery be system power supply, by key come the starting of control system, The switching of air quantity and the closing of system, indicate air quantity and battery capacity by indicator light, cooperate indicator light to prompt by buzzer The switching of user's air quantity and battery capacity variation, required air quantity are generated by turbofan, the above all parts pass through list The scheduling of piece machine and become organic work entirety.

Claims (10)

1. a kind of powered supplied air system, it is characterised in that: it includes rear cover (2), and front cover (1) is equipped at the top of rear cover (2), It is provided with air guide interface tube (3) at the top of rear cover (2) and front cover (1), air guide interface tube (3) and setting are in rear cover (2) and front cover (1) air outlet of internal assembling shell is connected；The inside of assembling shell is equipped with blower；Front cover is provided on (1) Multiple canister interfaces (4)；It further include controller (6), the data terminal of controller and blower (5) are electrically connected, and blower (5) goes out Air port is connect with the air inlet of mask (7), and the air inlet of blower (5) is connect at least one canister (8), and controller (6) is single The feeder ear of piece machine, single-chip microcontroller is connect with battery socket module (9), and the end PWM of single-chip microcontroller is defeated with motor interface module (10) Enter end connection, the output end of motor interface module (10) is connect with blower (5).

2. powered supplied air system according to claim 1, it is characterised in that: the sending data end of single-chip microcontroller receives data End is connect with download module (11).

3. powered supplied air system according to claim 1, it is characterised in that: the data port and LED light mould of single-chip microcontroller Block (12) connection.

4. powered supplied air system according to claim 1, it is characterised in that: the data port and loudspeaker module of single-chip microcontroller (13) it connects.

5. according to claim 1 to 4 one of them described powered supplied air system, it is characterised in that: the single-chip microcontroller passes through The on-off of CTRL control power supply.

6. powered supplied air system according to claim 5, it is characterised in that: the CTRL pin of the single-chip microcontroller successively with electricity Press driving element (14), relay unit (15), Voltage stabilizing module connection.

7. powered supplied air system according to claim 6, it is characterised in that: the voltage driven element (14) is triode The CTRL pin of driving unit, single-chip microcontroller is connect with the base stage of triode driving unit, the collector of triode driving unit with Relay unit (15) connection.

8. powered supplied air system according to claim 1, it is characterised in that: the WKUP pin and key wakeup mould of single-chip microcontroller Block connection, key wakeup module include the first key end (16), key wakeup module according to the first key end (16) press with The no WKUP pin to single-chip microcontroller, which is sent, wakes up control signal.

9. powered supplied air system according to claim 8, it is characterised in that: the key wakeup module includes triode list First (17), the base stage of triode unit (17) are connect with the first key end (16), the collector and monolithic of triode unit (17) The WKUP pin of machine connects.

10. according to claim 1 to 4 one of them described powered supplied air system, it is characterised in that: including battery socket module (9) switch key module (18), switch key module (18) include the second key end (19), and switch key module (18) passes through Whether the work for controlling battery socket module whether pressing at the second key end (19).