CN219847736U - Portable multifunctional breathing machine - Google Patents

Abstract

The utility model discloses a portable multifunctional breathing machine which comprises a breathing mask with an air suction pipeline and an air exhaust pipeline, wherein the air suction pipeline is provided with an air suction valve, the air exhaust pipeline is provided with an air exhaust valve, the portable multifunctional breathing machine also comprises a control box, an air source mechanism and an atomization mechanism, wherein the air source mechanism is arranged on the control box and is provided with a mixed gas outlet, the atomization mechanism is provided with an atomization inlet and an atomization outlet, the mixed gas outlet is communicated with the atomization inlet of the atomization mechanism, the atomization outlet of the atomizer is communicated with the air suction pipeline, the air exhaust pipeline is communicated with the atmosphere, and the air suction valve and the air exhaust valve are electrically connected with the control box; compared with the prior art, the utility model has the functions of atomizing, humidifying and supplying oxygen, and has simple structure and convenient use.

Description

Portable multifunctional breathing machine

Technical Field

The utility model relates to the technical field of respirators, in particular to a portable multifunctional respirator.

Background

In the clinical practice, the ventilator is widely applied to ICU and anesthesia, and with the development of emergency medicine and emergency nursing, the ventilator is also used. The commonly used breathing machine is heavy and inconvenient to move, and the power used by the breathing machine is limited to socket type power supply, such as sudden power failure or other accidents, and an effective breathing channel cannot be established in a short time, so that the life of a patient can be endangered, and the patient can die finally. In the case of field operations such as oxygen demand, first aid, disaster relief, etc., most portable oxygen pillows are used nowadays, and at the same time, there is a serious problem that the oxygen pillows cannot regulate the respiratory rate, and even the respiratory tract of the patient is damaged due to oxygen drying, so that infection or secondary injury occurs. In addition, oxygen is also a kind of medicine, and can produce side effect, and only oxygen is correctly used, so that the therapeutic effect can be achieved. Therefore, whether the patient is suddenly cut off or goes out for rescue or the patient is subjected to invasive intubation treatment, the life quality of the patient can be reduced to a certain extent, or the treatment opportunity is missed, so that the life of the critical patient is threatened.

At present, although some portable respirators are designed and produced on the market to cope with emergency situations such as power failure in hospitals, the respirators are only used for supplying oxygen to patients, are not suitable for patients with respiratory diseases or old people needing to improve sputum excretion, have a small application range, and the existing integrated atomizing respirators are usually clinically modified, namely, the two devices are simply combined for use, so that the oxygen production and atomization processes and the humidification processes are incompatible, the power properties required by the two processes are different, and the problems of load interference, high-frequency interference and the like can occur during use.

Disclosure of Invention

In view of the above, the present utility model aims to provide a portable multifunctional breathing machine, so as to solve the problem that in the prior art, oxygen and atomization and humidification of the portable multifunctional breathing machine cannot be compatible.

In order to achieve the above purpose, the utility model provides a portable multifunctional breathing machine, which comprises a breathing mask with an inhalation pipeline and an exhalation pipeline, wherein the inhalation pipeline is provided with an inhalation valve, the exhalation pipeline is provided with an exhalation valve, the portable multifunctional breathing machine also comprises a control box, and an air source mechanism and an atomization mechanism which are arranged on the control box, wherein the air source mechanism is provided with a mixed gas outlet, the atomization mechanism is provided with an atomization inlet and an atomization outlet, the mixed gas outlet is communicated with the atomization inlet of the atomization mechanism, the atomization outlet of the atomization mechanism is communicated with the inhalation pipeline, the exhalation pipeline is communicated with the atmosphere, and the inhalation valve and the exhalation valve are electrically connected with the control box.

Further, the air source mechanism comprises an oxygen bottle arranged on the control box, a bottle pressure reducer arranged at the bottle mouth of the oxygen bottle, an air-oxygen mixer communicated with the bottle pressure reducer through an oxygen pipeline, a pressure reducing valve arranged on the oxygen pipeline and a compressor for connecting air into the air-oxygen mixer, wherein a mixed gas outlet is arranged on the air-oxygen mixer, and the bottle pressure reducer, the pressure reducing valve, the air-oxygen mixer and the compressor are all electrically connected with the control box.

Further, the atomization mechanism comprises an atomization water cup arranged on the control box, a first gas inlet pipe and a water mist outlet pipe which are communicated with the atomization water cup, an atomization medicine cup fixedly arranged in the atomization water cup, and a second gas inlet pipe and a particle outlet pipe which are communicated with the atomization medicine cup, wherein the first gas inlet pipe and the second gas inlet pipe are communicated with the atomization inlet, the water mist outlet pipe and the particle outlet pipe are communicated with the atomization outlet, and a first gas inlet switch, a second gas inlet switch, a first mist outlet switch and a second mist outlet switch are respectively arranged on the first gas inlet pipe, the second gas inlet pipe, the water mist outlet pipe and the particle outlet pipe.

Further, a dosing pipe communicated with the second gas inlet pipe is arranged at one end, close to the atomizing medicine cup, of the second gas inlet pipe, and a water inlet pipe communicated with the first gas inlet pipe is arranged at one end, close to the atomizing medicine cup, of the first gas inlet pipe.

Further, the atomizing water cup comprises a cylindrical cup body, a cup cover and a cup bottom, wherein the cup cover is arranged at the top of the cup body in a sealing mode, the cup bottom is arranged at the bottom of the cup body in a sealing mode, the cup cover and the cup bottom are made of thin aluminum plates, and ceramic piezoelectric plates are fixed on the cup bottom.

Further, an ultrasonic isolation sound-transmitting film is arranged at the bottom of the atomizing medicine cup.

Further, the atomizing mechanism further comprises a monitoring float which is arranged on the cup bottom and can be immersed in liquid contained in the cup body, and the monitoring float is electrically connected with the control box.

Further, the control box comprises a box body and a control execution circuit, a power supply circuit, a data acquisition device and a digital display timer which are arranged in the box body, wherein the power supply circuit is used for supplying power to the control execution circuit, the data acquisition device, the digital display circuit, an air source mechanism and an atomization mechanism, the control execution circuit is used for controlling the data acquisition device, the digital display timer, the air source mechanism and the atomization mechanism, the data acquisition device is used for acquiring the pressure and flow of air in a pipeline, and the digital display timer is used for displaying breathing parameters and setting breathing time.

Further, the box body comprises a top plate, a bottom plate, a first side plate, a second side plate, a third side plate and a fourth side plate, wherein the top plate and the bottom plate are oppositely arranged, the first side plate, the second side plate, the third side plate and the fourth side plate are enclosed between the top plate and the bottom plate, and a control panel connected with the control executing circuit, the power circuit, the data acquisition device and the digital display timer is arranged on the first side plate; the second side plate is provided with a power supply control board connected with the power supply circuit and a vent hole formed at the side of the power supply control board, the third side plate is provided with a clamping hook, and the atomization mechanism is fixed on the clamping hook.

Further, the control box further comprises an alarm electrically connected with the control execution circuit.

According to the utility model, the air-oxygen mixer is arranged, so that the ratio of oxygen to air can be adjusted according to the breathing condition of a patient, the oxygen can be supplied after the oxygen and the air with different ratios are mixed, and meanwhile, the control box is also integrated with the atomizing mechanism, so that the mixed gas can be atomized or humidified, and the requirements of rescuing and nursing in various emergency environments can be met; in addition, the utility model also sets the power supply change-over switch, when the power supply is used in the environments with electricity such as sickrooms, the power supply can be changed over to the commercial power for power supply, but when the power supply is used in the power failure or no-power environment, the power supply can be changed over to the self-contained power supply circuit for power supply, and after the power supply is changed over, the commercial power is disconnected, so that other circuits on the side are not interfered, and the power supply is safe and stable to use.

Drawings

Fig. 1 is a schematic structural view of a portable multifunctional respirator of the present utility model.

Fig. 2 is a block diagram of the structure of the present utility model.

Fig. 3 is a schematic structural view of the atomizing mechanism.

Fig. 4 is a schematic structural diagram of the power control board.

Fig. 5 is a schematic circuit diagram of a power supply circuit.

Fig. 6 is a schematic circuit diagram of a control execution circuit.

The specification reference numerals are as follows:

control box 10, control execution circuit 11, main control sub-circuit 111, air pump execution sub-circuit 112, air valve execution sub-circuit 113, power supply circuit 12, data collector 13, digital display timer 14, alarm 15, control panel 16, main switch button 161, atomizing switch button 162, respiratory rate selection knob 163, timing button 164, reset button 165, flowmeter 166, voltage detection table 167, nixie tube 168, power supply control board 17, ac power supply switch 171, dc power supply switch 172, charging switch 173, external socket 174, vent hole 175, hook 1811, through hole 182, opening 183;

the device comprises an air source mechanism 20, an oxygen bottle 21, a bottle pressure reducer 22, a pressure reducing valve 23, an air-oxygen mixer 24 and a compressor 25;

the atomizing mechanism 30, the atomizing inlet 30a, the atomizing outlet 30b, the atomizing cup 31, the first gas inlet pipe 311, the water mist outlet pipe 312, the first gas inlet switch 313, the first mist outlet switch 314, the atomizing medicine cup 32, the second gas inlet pipe 321, the particle outlet pipe 322, the second gas inlet switch 323, the second mist outlet switch 324, the ultrasonic isolation sound-permeable membrane 33, the water adding pipe 34, the medicine adding pipe 35, the ceramic piezoelectric plate 36, the conductive column 371 and the floating plate 372;

a respiratory mask 40, an inhalation line 41, an exhalation line 42, an inhalation valve 43, and an exhalation valve 44.

Detailed Description

The following is a further detailed description of the embodiments:

example 1

Referring to fig. 1 and 2, the portable multifunctional breathing machine of the present utility model includes a control box 10, an air source mechanism 20 and an atomizing mechanism 30 disposed on the control box 10, and a breathing mask 40 communicating with the atomizing mechanism 30. The respiratory mask 40 is provided with an inhalation pipeline 41 and an exhalation pipeline 42, the inhalation pipeline 41 is communicated with the atomization mechanism 30, the exhalation pipeline 42 is communicated with the atmosphere, an inhalation valve 43 electrically connected with the control box 10 is arranged on the inhalation pipeline 41, the inhalation valve 43 can control the on-off of the inhalation pipeline 41, an exhalation valve 44 electrically connected with the control box 10 is arranged on the exhalation pipeline 42, and the exhalation valve 44 can control the on-off of the exhalation pipeline 42. The air source mechanism 20 is provided with a mixed gas outlet, oxygen and air mixed according to a certain proportion can be delivered to the atomization mechanism 30, the atomization mechanism 30 is provided with an atomization inlet 30a and an atomization outlet 30b, the atomization inlet 30a is communicated with the mixed gas outlet, and the atomization outlet 30b is communicated with the air suction pipeline 41; during inspiration, the controller controls the inspiration valve 43 to be opened and the expiration valve 44 to be closed, the air source mechanism 20 is used for introducing mixed air into the atomization mechanism 30, the atomization mechanism 30 is used for humidifying or atomizing the mixed air and then delivering the mixed air to a patient through the inspiration pipeline 41 and the breathing mask 40, one-time inspiration process is completed, during expiration, the controller controls the inspiration valve 43 to be closed and the expiration valve 44 to be opened, and the patient exhales the air through the breathing mask 40 and the expiration pipeline 42, so that sequential expiration processes are completed.

The air source mechanism 20 comprises an oxygen bottle 21, a bottle pressure reducer 22, a pressure reducing valve 23, an air-oxygen mixer 24 and a compressor 25 which are arranged on the control box 10, and the bottle pressure reducer 22, the pressure reducing valve 23, the air-oxygen mixer 24 and the compressor 25 are all electrically connected with the control box 10 and controlled by the control box 10. The oxygen bottle 21 can adopt an oxygen steel bottle with the specification of 3-4 liters, has small volume and convenient carrying, can provide oxygen supply for about 3-4 hours, and is suitable for use in emergency environments such as the field. The bottle pressure reducer 22 is arranged at the bottleneck of the oxygen bottle 21, the bottleneck of the oxygen bottle 21 is connected with an oxygen pipeline, the pressure reducing valve 23 is arranged on the oxygen pipeline, and the bottle pressure reducer 22 and the pressure reducing valve 23 can form a two-stage pressure reducing system to reduce the pressure of oxygen flowing out of the oxygen bottle 21; specifically, the pressure of the oxygen gas after being depressurized by the bottle depressurizer 22 is about 0.42 to 0.5Mpa, and the pressure after being depressurized by the depressurization valve 23 is about 0.28Mpa, so that the oxygen gas with stable and proper pressure can be provided for the patient. The air-oxygen mixer 24 has an oxygen inlet and an air inlet, the mixed gas outlet is arranged on the air-oxygen mixer 24, the oxygen inlet is communicated with the oxygen bottle 21 through an oxygen pipeline, the air inlet is communicated with the compressor 25 through an air pipeline, the compressor 25 is used for compressing air and leading the air into the air-oxygen mixer 24 through the air inlet, and the oxygen inlet can lead the depressurized oxygen into the air-oxygen mixer 24. In this embodiment, the air-oxygen mixer 24 may be implemented by a proportioning valve, and by adjusting the valve rod, the flow rates of the oxygen inlet and the air inlet can be proportioned to mix oxygen and air with different concentrations.

With continued reference to fig. 3, the atomizing mechanism 30 includes an atomizing cup 31, an atomizing medicine cup 32, a first gas inlet pipe 311, a second gas inlet pipe 321, a water mist outlet pipe 312 and a particle outlet pipe 322, which are disposed on the control box 10, the atomizing medicine cup 32 is fixed in the atomizing cup 31, and an ultrasonic isolation sound-permeable membrane 33 is disposed at the bottom of the atomizing medicine cup 32 to be isolated from the atomizing cup 31. The first gas inlet pipe 311 and the water mist outlet pipe 312 are both communicated with the atomizing cup 31, and the second gas inlet pipe 321 and the particle outlet pipe 322 are both communicated with the atomizing cup 32. The atomized water cup 31 is filled with clear water, the atomized medicine cup 32 is filled with medicine, and the atomized water cup 31 and the atomized medicine cup 32 can form water mist and aerosol particles under the ultrasonic action of an external ultrasonic oscillator so as to flow out from the water mist outlet pipe 312 and the particle outlet pipe 322 along with the flow of gas. In this embodiment, a water feeding pipe 34 communicating with the first gas inlet pipe 311 is disposed at an end of the first gas inlet pipe 311 near the atomized water cup 31 to supplement clean water to the atomized water cup 31, and a dosing pipe 35 communicating with the second gas inlet pipe 321 is disposed at an end of the second gas inlet pipe 321 near the atomized water cup 32 to supplement medicine to the atomized water cup 32. It will be appreciated that in other embodiments, the water supply pipe 34 may be disposed on the atomizing cup 31 to supply clean water to the atomizing cup 31, and the medicine supply pipe 35 may be disposed on the atomizing cup 32 to supply medicine to the atomizing cup 32, etc.

The atomizing water cup 31 comprises a cylindrical cup body, a cup cover and a cup bottom, wherein the cup cover is arranged at the top of the cup body in a sealing manner, the cup bottom is arranged at the bottom of the cup body in a sealing manner, and a ceramic piezoelectric plate 36 is arranged at the cup bottom and used for vibrating under the ultrasonic action to break up water molecules to form water mist. In the embodiment, the portability of the whole breathing machine is comprehensively considered, and the cup body is supported by hard transparent plastic, so that the weight of the atomized water cup 31 can be reduced, and the clear water condition in the atomized water cup 31 can be conveniently observed; the cup cover and the cup bottom are made of thin aluminum plates so as to conveniently fix the ceramic piezoelectric plate 36 and seal the atomizing cup 31.

The first gas inlet pipe 311 and the second gas inlet pipe 321 are connected to the atomizing inlet 30a through a three-way pipe at the end far away from the atomizing cup 31 to receive the gas mixed by the air-oxygen mixer 24, and the water mist outlet pipe 312 and the particle outlet pipe 322 are connected to the atomizing outlet 30b through a three-way pipe to humidify or atomize the gas for inhalation by the patient. The first gas inlet pipe 311, the second gas inlet pipe 321, the water mist outlet pipe 312 and the particle outlet pipe 322 are respectively provided with a first gas inlet switch 313, a second gas inlet switch 323, a first mist outlet switch 314 and a second mist outlet switch 324, the first gas inlet switch 313 and the second gas inlet switch 323 are used for controlling the flow rate of gas entering the atomizing water cup 31 and the atomizing medicine cup 32, the first mist outlet switch 314 and the second mist outlet switch 324 are used for controlling the flow rate of water mist and gas flowing out of the atomizing water cup 31 and the atomizing medicine cup 32 so as to realize the switching of humidification and atomization by combining the oscillation frequency of an ultrasonic oscillation instrument, the fast switching of humidification and atomization can be realized without tube replacement, the switching efficiency is high, and the use is convenient.

In this embodiment, the first air inlet switch 313, the second air inlet switch 323, the first mist outlet switch 314 and the second mist outlet switch 324 are implemented by using manual switches, and the flow rates on the corresponding inlet pipe and outlet pipe can be adjusted by screwing the angles of the switches; it will be appreciated that in other embodiments, the first air inlet switch 313, the second air inlet switch 323, the first mist outlet switch 314, and the second mist outlet switch 324 may also be configured to electrically connect with the control box 10 to increase the degree of automation of the control.

As a preferred mode of this embodiment, the atomizing mechanism 30 further includes a monitoring float provided on the cup bottom and capable of being immersed in the liquid contained in the cup body, and the monitoring float is electrically connected to the control box 10. The monitoring float comprises a conductive column 371 fixed at the bottom of the cup and a float piece 372 penetrating the conductive column 371, wherein the float piece 372 can float in clean water and is electrified with the top of the conductive column 371, when the clean water in the atomized water cup 31 is lower than a certain amount, the float piece 372 sinks along with the clean water and is separated from the top of the conductive column 371, so as to generate a responsive warning signal, and the control box 10 is convenient for warning.

Referring back to fig. 2, the control box 10 includes a box body, and a control executing circuit 11, a power supply circuit 12, a data acquisition unit 13, a digital display timer 14 and an alarm 15 which are installed in the box body, wherein the power supply circuit 12 is used for supplying power to the control executing circuit 11, the data acquisition unit 13, the digital display circuit, the air source mechanism 20 and the atomizing mechanism 30, the power supply circuit 12 has two gears, namely, a 220V ac power supply matched with the mains supply for the ventilator to plug in, and another gear is an internal dc power supply for the ventilator to use in a non-electric or field environment. The control execution circuit 11 is used for controlling the data collector 13 to collect gas flow, gas pressure and the like in each pipeline, controlling the digital display timer 14 to perform reality, timing and the like of breathing parameters, controlling the gas source mechanism 20 to execute alternately between expiration and inspiration, controlling the atomizing mechanism 30 to atomize and humidify the gas and the like, and controlling the alarm 15 to alarm timely. The data collector 13 is a flow sensor, a pressure sensor, etc. arranged in the pipeline, and is capable of collecting parameters such as gas flow and air pressure in each pipeline, and the digital display timer 14 is capable of displaying breathing parameters (including breathing times, gas flow, air pressure, breathing frequency, breathing time, etc.), setting breathing time, etc.; in this embodiment, the digital display timer 14 may adopt a single chip microcomputer in the prior art to realize digital display control and timing, which is not described in detail in this embodiment. The alarm 15 may alarm when the gas flow and the gas pressure exceed a set range, alarm at the end of a set breathing time, alarm when the monitoring float monitors that the amount of water in the atomizing cup 31 is below a set amount, etc.

The box comprises a top plate, a bottom plate, a first side plate, a second side plate, a third side plate and a fourth side plate, wherein the top plate and the bottom plate are oppositely arranged, the first side plate, the second side plate, the third side plate and the fourth side plate are enclosed between the top plate and the bottom plate, and the control executing circuit 11, the power circuit 12, the data acquisition device 13, the digital display timer 14 and the alarm 15 are integrated on a PCB and are arranged in the box.

Referring back to fig. 1, a control panel 16 connected to the control executing circuit 11, the power circuit 12, the data collector 13 and the digital display timer 14 is disposed on the first side board. The control panel 16 is provided with a main switch button 161, an atomization switch button 162, a respiratory rate selection knob 163, a timing button 164, a reset button 165, a flowmeter 166, a voltage detection meter 167 and a plurality of nixie tubes 168. The main switch button 161 is connected with the control execution circuit 11 and is used for controlling the starting or stopping of the whole breathing machine; the atomizing switch button 162 is connected to the control execution circuit 11, and is used for controlling the operation of the atomizing mechanism 30 and controlling the atomizing mechanism 30 to switch between atomizing and humidifying functions. The respiratory rate selection knob 163 is electrically connected to the control execution circuit 11, and the respiratory rate selection knob 163 has a plurality of gear positions for selecting an appropriate respiratory rate. The timing button 164, the reset button 165 and the nixie tube 168 are connected with the digital display timer 14, the timing button 164 is used for controlling the timing work of the breathing machine, controlling the timing zeroing and stopping work of the breathing machine, the reset button 165 is used for resetting the current time of the breathing machine to zero, and the nixie tube 168 is realized by adopting seven segments of liquid crystal nixie tubes 168 and is used for displaying breathing parameters, breathing time and the like. The flowmeter 166 employs a float flowmeter 166 for monitoring the gas pressure of the gas flowmeter 166 in the pipeline in real time, etc. The voltage detection meter 167 is connected to the power circuit 12 for monitoring the operating voltage in real time.

Referring to fig. 4, the second side plate is provided with a power control board 17 connected to the power circuit 12 and a vent hole 175 formed beside the power control board 17, and the vent hole 175 is configured to be compatible with a fan disposed in the box body to dissipate heat and cool the interior of the box body through the vent hole 175. The power control board 17 is provided with an ac power switch 171, a dc power switch 172, a charging switch 173 and an external socket 174. The ac power switch 171, dc power switch 172 and charging switch 173 are respectively used to switch the power circuit 12 in three modes of ac, dc and charging. The external socket 174 is configured with a first ac switch S1, a second ac switch S2, a first fuse FU1 and a second fuse FU2, and adopts the configuration of double wires, double switches and double fuses, and is used when externally connecting ac, so that the circuit is ensured not to damage the ventilator and cause interference to other circuits due to overlarge current at the moment of being connected.

Referring back to fig. 1, the third side plate is mainly used for hanging the atomizing mechanism 30, and a hook 181 is disposed on the third side plate, and the hook 181 can fix the atomizing mechanism 30 on the hook 181. The third side plate is further provided with a through hole 182 corresponding to the first gas inlet pipe 311, the second gas inlet pipe 321, the water mist outlet pipe 312 and the particle outlet pipe 322, so that the first gas inlet pipe 311, the second gas inlet pipe 321, the water mist outlet pipe 312 and the particle outlet pipe 322 penetrate into the box body, are connected with the atomization inlet 30a and the atomization outlet 30b, are fixed and contained in the box body, which is beneficial to the cleaning of pipelines, and meanwhile, the third side plate is further provided with an opening 183 corresponding to the first air inlet switch 313, the second air inlet switch 323, the first mist outlet switch 314 and the second mist outlet switch 324, so that the switch is leaked out of the third side plate from the opening 183, and related personnel can conveniently control the first air inlet switch 313, the second air inlet switch 323, the first mist outlet switch 314 and the second mist outlet switch 324 outside the box body, so as to realize the switching of atomization and humidification. It will be appreciated that in other embodiments, the atomizing mechanism 30 may be hung on the fourth side plate according to the wiring requirements of the pipeline and each circuit, and only the corresponding through hole 182 and the opening 183 need to be provided on the fourth side plate.

With continued reference to fig. 5, the power supply circuit 12 includes an AC interface AC, a first AC switch S1, a second AC switch S2, a first fuse FU1, a second fuse FU2, a transformer T, an AC bridge D, a single pole double throw switch S3, a DC power supply DC, a capacitor CA1, a capacitor CA2, a capacitor CA3, a capacitor CA4, a resistor RU1, a resistor RU2, a first IC chip U1, and a second IC chip U2, where the first IC chip U1 and the second IC chip U2 are configured to perform voltage stabilization processing on a voltage accessed by the AC interface AC and a voltage provided by the DC power supply DC to obtain a 12V voltage and a 5V voltage, and the 12V voltage can provide an appropriate operating voltage for the air source mechanism 20, the atomizing mechanism 30, and the control execution circuit 11, and the 5V voltage can provide an appropriate operating voltage for the data collector 13, the digital display timer 14, and the alarm 15.

Specifically, the AC interface is led out to the external socket 174 on the third side board, one end of the AC interface AC is connected with one end of the primary coil of the transformer T through the first AC switch S1 and the first fuse FU1, the other end of the AC structure AC is connected with the other end of the primary coil of the transformer T through the second AC switch S2 and the second fuse FU2, and the transformer T1 can invert 220V AC into 18V and rectify and filter the 18V AC and then supply power to the ventilator through the AC bridge D; the alternating current bridge D consists of four diodes, the secondary coil of the transformer T is connected to the alternating current bridge D, and the alternating current bridge D is provided with an anode and a cathode; the single-pole double-throw switch S3 is provided with two input ends and an output end, one input end of the single-pole double-throw switch S3 is connected with the positive electrode and the negative electrode of the alternating-current bridge D to be connected with an alternating-current power supply, the other input end of the single-pole double-throw switch S3 is connected with a direct-current power supply DC to supply power to the breathing machine under the condition of no electricity or outdoors, and the selection of the alternating-current power supply and the direct-current power supply can be realized through the switching of the single-pole double-throw switch S3.

The power supply circuit 12 has a 12V voltage output and a 5V voltage output. The output end of the single-pole double-throw switch S3 is connected to two ends of the capacitor CA1, two ends of the capacitor CA1 are connected with the first end and the second end of the first IC chip U1, the third end of the first IC chip U1 is connected with one end of the capacitor CA2, the other end of the capacitor CA2 is connected with the second end of the first IC chip U1, the 12V voltage output end is formed at the third end of the first IC chip U1, the third end of the first IC chip U1 is also connected with the first end of the second IC chip U2, the second end of the second IC chip is connected with one end of the resistor RU2 through the capacitor CA3, the other end of the resistor RU2 is connected between the second end of the second IC chip U2 and the capacitor CA3, the other end of the resistor RU2 is also connected with the third end of the second IC chip U2 through the resistor RU1, one end of the capacitor CA4 is connected with the third end of the second IC chip U2, and the other end of the resistor RU 4 is far away from the third end of the resistor RU2, and the voltage output end of the resistor RU2 is formed at the third end of the resistor RU 5.

In this embodiment, the first IC chip U1 is preferably an IC chip of model LM7812, and the second IC chip U2 is preferably an IC chip of model CW 317.

With continued reference to fig. 6, the control execution circuit 11 includes a main control sub-circuit 111, an air pump execution sub-circuit 112, and an air valve execution sub-circuit 113, where the main control sub-circuit 111 controls the air pump execution sub-circuit 112, the air valve execution sub-circuit 113, and the atomization execution sub-circuit, the air pump execution sub-circuit 112 is used for making the compressor 25 execute air compression under the control of the main control sub-circuit 111, and the air valve execution sub-circuit 113 is used for making the air suction valve 43 work under the control of the main control sub-circuit 111 to complete the responsive air supply process, so as to realize air suction.

The main control sub-circuit 111 includes a resistor R2, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R13, a resistor R14, a capacitor C1, a capacitor C2, a diode D3, a transistor Q2, and a transistor Q3. One end of the resistor R2 is connected with the 12V voltage output end, the other end of the resistor R2 is connected between the resistor R6 and the resistor R7, the other end of the resistor R6 is connected with the 12V voltage output end through the capacitor C1 and the resistor R5, and the other end of the resistor R7 is connected with the 12V voltage output end through the capacitor C2 and the resistor R8; the emitter of the triode Q2 is grounded through a resistor R13, the collector is connected between a resistor R5 and a capacitor C1, the base is connected with the cathode of a diode D2, the anode of the diode D2 is connected between a resistor R7 and the capacitor C2, the emitter of the triode Q3 is grounded through a resistor R14, the collector is connected between a resistor R8 and the capacitor C2, the base is connected with the cathode of the diode D2, and the anode of the diode D2 is connected between a resistor R6 and the capacitor C1. The emitter of the triode Q2 is further connected with the air pump executing sub-circuit 112 through a diode D1, the emitter of the triode Q2 is connected with the positive electrode of the diode D1, the emitter of the triode Q3 is further connected with the air valve executing sub-circuit 113 through a diode D4, and the emitter of the triode Q3 is connected with the positive electrode of the diode D4.

The air pump execution sub-circuit 112 includes a relay K2, a resistor R3, a resistor R9, a resistor R11, a resistor R12, a capacitor C3, and a transistor Q1. The electric shock end of the relay K2 is connected with the air pump (namely the compressor 25), one end 12V voltage output end of a coil of the relay K2 is connected, the other end of the coil of the relay K2 is connected with an emitter of the triode Q1, a collector of the triode Q1 is grounded, a base is connected with a cathode of the diode D1, the base of the triode Q1 is connected with the 12V voltage output end sequentially through a resistor R11, a resistor R9 and a resistor R3, the base of the triode Q1 is grounded through a resistor R12, one end of the capacitor C3 is connected with the 12V voltage output end, and the other end of the capacitor C3 is grounded.

The valve actuating sub-circuit 113 includes a relay K1, a resistor R4, a resistor R10, a resistor R15, and a transistor Q4. The electric shock end of the relay K1 is connected with an air valve (namely an air suction valve 43), one end of a coil of the relay K1 is connected with a 12V voltage output end, the other end of the coil of the relay K1 is connected with an emitter of the triode Q4, the emitter of the triode Q4 is grounded, a base electrode of the triode Q4 is sequentially connected with a 12V voltage output end through a resistor R10, a resistor R4 and a resistor R1, the base electrode of the triode Q4 is grounded through a resistor R15, and the base electrode of the triode Q4 is connected with a cathode of a diode D4.

In this embodiment, the circuit of the control execution circuit 11 is only an example of this embodiment, and in other embodiments, the control execution circuit 11 may also use other control modes (such as a PLC, a single chip microcomputer, etc.) to implement control, and a specific connection mode thereof may be implemented by using the prior art, which is not described in detail in this embodiment.

Claims (10)

1. The utility model provides a portable multifunctional breathing machine, includes the respirator that has inspiration pipeline and expiration pipeline, be provided with the inspiration valve on the inspiration pipeline, be provided with the expiration valve on the expiration pipeline, its characterized in that still includes the control box and sets up air supply mechanism and atomization mechanism on the control box, air supply mechanism has a mixed gas export, atomization mechanism has an atomizing import and an atomizing export, mixed gas export with atomization mechanism's atomizing import intercommunication, atomization mechanism's atomizing export with the inspiration pipeline intercommunication, expiration pipeline intercommunication atmosphere, inspiration valve and expiration valve all with the control box electricity is connected.

2. The portable multifunctional breathing machine of claim 1 wherein the air source mechanism comprises an oxygen bottle disposed on the control box, a bottle pressure reducer disposed at the mouth of the oxygen bottle, an air-oxygen mixer communicating with the bottle pressure reducer through an oxygen pipeline, a pressure reducing valve disposed on the oxygen pipeline, and a compressor for accessing air into the air-oxygen mixer, the mixed gas outlet being disposed on the air-oxygen mixer, the bottle pressure reducer, the pressure reducing valve, the air-oxygen mixer, and the compressor all being electrically connected with the control box.

3. The portable multifunctional breathing machine of claim 1 wherein the atomizing mechanism comprises an atomizing cup, a first gas inlet pipe and a water mist outlet pipe which are arranged on the control box and communicated with the atomizing cup, an atomizing medicine cup which is fixedly arranged in the atomizing cup, and a second gas inlet pipe and a particle outlet pipe which are communicated with the atomizing medicine cup, wherein the first gas inlet pipe and the second gas inlet pipe are communicated with the atomizing inlet, the water mist outlet pipe and the particle outlet pipe are communicated with the atomizing outlet, and a first gas inlet switch, a second gas inlet switch, a first mist outlet switch and a second mist outlet switch are respectively arranged on the first gas inlet pipe, the second gas inlet pipe, the water mist outlet pipe and the particle outlet pipe.

4. The portable multifunctional respirator according to claim 3, wherein a dosing pipe communicated with the second gas inlet pipe is arranged on the second gas inlet pipe at one end corresponding to the end close to the atomizing medicine cup, and a water adding pipe communicated with the first gas inlet pipe is arranged on the first gas inlet pipe at one end corresponding to the end close to the atomizing medicine cup.

5. The portable multifunctional respirator according to claim 3, wherein the atomizing cup comprises a cylindrical cup body, a cup cover arranged at the top of the cup body in a sealing manner and a cup bottom arranged at the bottom of the cup body in a sealing manner, wherein the cup cover and the cup bottom are made of thin aluminum plates, and a ceramic piezoelectric sheet is fixed on the cup bottom.

6. The portable multifunctional respirator of claim 3, wherein the bottom of the aerosolized drug cup is provided with an ultrasound-isolating acoustically transparent membrane.

7. The portable multifunctional ventilator of claim 5, wherein the atomizing mechanism further comprises a monitoring float disposed on the base and capable of being immersed in the liquid contained in the cup, the monitoring float being electrically connected to the control box.

8. The portable multifunctional breathing machine of claim 1 wherein the control box comprises a box body, and a control execution circuit, a power supply circuit, a data acquisition device and a digital display timer which are arranged in the box body, wherein the power supply circuit is used for supplying power to the control execution circuit, the data acquisition device, the digital display circuit, the air source mechanism and the atomization mechanism, the control execution circuit is used for controlling the data acquisition device, the digital display timer, the air source mechanism and the atomization mechanism, the data acquisition device is used for acquiring the pressure and the flow of air in a pipeline, and the digital display timer is used for displaying breathing parameters and setting breathing time.

9. The portable multifunctional ventilator of claim 8, wherein the housing comprises a top plate and a bottom plate arranged opposite to each other, and a first side plate, a second side plate, a third side plate and a fourth side plate enclosed between the top plate and the bottom plate, wherein a control panel connected with the control execution circuit, the power supply circuit, the data collector and the digital display timer is arranged on the first side plate; the second side plate is provided with a power supply control board connected with the power supply circuit and a vent hole formed at the side of the power supply control board, the third side plate is provided with a clamping hook, and the atomization mechanism is fixed on the clamping hook.

10. The portable multifunctional ventilator of claim 8, wherein the control box further comprises an alarm electrically connected to the control execution circuit.