CN112138259A

CN112138259A - Heating and humidifying device for breathing machine

Info

Publication number: CN112138259A
Application number: CN202011136075.4A
Authority: CN
Inventors: 姚继良
Original assignee: Guangxi Saite Saier Technology Co ltd
Current assignee: Guangxi Saite Saier Technology Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2020-12-29

Abstract

The invention discloses a heating and humidifying device for a breathing machine, which solves the problems that the humidity of the heating and humidifying device which is commonly used at present can not be independently regulated and controlled along with the change of heating temperature, so that excessive water accumulation of a breathing pipeline is caused, gas in the pipeline is disturbed, and a patient possibly inhales the water accumulation of the pipeline to cause water choking and the like; the device mainly comprises a heating mechanism, an atomizing mechanism, a temperature sensor and an electric control part, and the principle is as follows: the gas sent by the breathing machine enters the heating bin, is heated and then enters the gas guide pipe, and the purified water is atomized by the atomization mechanism and is mixed with the heated gas to be humidified and then is sent to the patient end; the temperature is monitored by a patient end temperature sensor in an electromagnetic heating mode, so that the heating temperature can be accurately controlled; the heating chamber is designed with staggered radiating fins, which can prolong the travel of the gas in the heating chamber and fully heat the gas; heat conduction oil is arranged in the heat conduction pipe, so that the temperature can be kept stable; the humidification adopts a controllable atomization mode, and the concentration of water vapor can be regulated and controlled.

Description

Heating and humidifying device for breathing machine

Technical Field

The invention relates to the technical field of medical equipment, in particular to a heating and humidifying device for a breathing machine.

Background

In modern clinical medicine, a ventilator has been widely used in respiratory failure due to various reasons, anesthesia and breathing management during major surgery, respiratory support therapy and emergency resuscitation as an effective means for manually replacing the function of spontaneous ventilation, and has a very important position in the modern medical field. The breathing machine is a vital medical device which can prevent and treat respiratory failure, reduce complications and save and prolong the life of a patient.

The humidification device that heats of breathing machine is used for carrying out the humidification heating to the gas that the breathing machine sent out, then carry to patient's end, current breathing machine is with humidification device that heats as shown in figure 9, set up humidification device that heats on the outlet duct 2 of breathing machine body 1, humidification device that heats includes water storage tank 29 and heating base 30, the heating base produces steam to the water heating in the water storage tank 29, the gas of outlet duct 2 passes through behind the water storage tank 29 and conveys to user terminal 4 with hot steam mixing, after the pipeline cooling of certain length, the gas that has temperature humidity reaches user terminal 4 and supplies the disease to use. When the breathing machine is used, the suitable temperature and humidity of the gas are different according to different physical conditions and different age stages of patients, the arrangement mode of the existing breathing machine heating and humidifying device directly utilizes water vapor to heat and humidify the gas in the gas supply pipe, the humidity changes along with the temperature change, the concentration of the water vapor is high, the temperature is high, the humidity also increases along with the increase, otherwise, the temperature and the humidity become small, the temperature and the humidity of the gas supplied to a patient end cannot be independently regulated and controlled, the temperature and the humidity of the breathing gas cannot be flexibly regulated and controlled according to the conditions of different patients, and the adaptability is poor; in addition, the breathing gas is heated and humidified by using the water vapor, so that the problems of gas disturbance caused by the easy water accumulation of the breathing pipeline, the possible water accumulation of the patient in the breathing pipeline and the like are solved.

Therefore, the temperature and humidity of the air in the air supply pipe are not easy to control by heating the steam, so that excellent treatment can not be provided for patients, and nursing work of medical staff is inconvenient.

Disclosure of Invention

The invention provides a heating and humidifying device for a breathing machine, aiming at the problems.

The technical scheme of the invention is as follows:

a heating and humidifying device for a respirator comprises an atomizing mechanism and a heating mechanism, wherein an air inlet of the heating mechanism is communicated with an air supply pipe of a respirator body, an air outlet of the heating mechanism is communicated with a mist outlet of the atomizing mechanism and is communicated with a use terminal through an air guide pipe, and the use terminal is also communicated with the respirator body through an expiration pipe; the heating mechanism comprises a heating bin and an electromagnetic heating plate, the heating bin is movably placed on the electromagnetic heating plate, a heated base is arranged at the bottom of the heating bin, an air inlet and an air outlet are formed in the symmetrical side walls of the heating bin, vertical radiating fins are arranged in the heating bin at intervals along the direction from the air inlet to the air outlet, and the radiating fins are distributed in a staggered mode in the vertical direction; an ultrasonic atomization sheet capable of generating atomized water vapor is arranged in the atomization mechanism, and a temperature sensor is arranged at the use terminal; the temperature sensor, the ultrasonic atomization sheet and the electromagnetic heating plate are electrically connected with the main control board.

The heating bin is in a hollow cylinder shape, a hollow heat conduction pipe is arranged at the center of the heating bin, and heat conduction oil is placed in the heat conduction pipe.

The radiating fins are connected with the outer wall of the heat conduction pipe, the radiating fins are vertically arranged at intervals along the circumferential direction of the heat conduction pipe, and adjacent radiating fins are arranged in a staggered mode along the vertical direction.

The atomizing mechanism include atomizing seat, drinking cup, atomizing seat both ends opening, the upper portion installation drinking cup of atomizing seat, both ends opening about the drinking cup, atomizing seat lower extreme and air duct intercommunication each other set up the ultrasonic atomization piece in the inside bottom below that is located the drinking cup of atomizing seat.

Thereby the internal diameter on atomizing seat upper portion is greater than the internal diameter of lower part and forms the boss in linking department, sets gradually water proof rubber ring, gasket, water level electrode and drinking cup from the bottom up in boss department, water proof rubber ring set up transversely between ultrasonic atomization piece periphery and atomizing seat inner wall, the center of gasket is provided with the limbers, water level electrode and main control board electric connection.

The atomizing base is provided with a drain hole above the gasket, and a valve is arranged at the water outlet of the drain hole.

The water cup is characterized in that a flange matched with the gasket is arranged at the bottom of the water cup, a cup cover is arranged at the top of the water cup, a through hole is formed in the cup cover, the water storage bottle is communicated with the water cup through a burette, and the burette can penetrate through the through hole in the cup cover.

The drinking cup can be dismantled with the atomizing seat and be connected, the atomizing seat can be dismantled with the heat pipe and be connected, gasket and ultrasonic atomization piece demountable installation.

The water cup is in threaded connection with the atomizing base, the outer wall of the lower end of the water cup is provided with external threads, and the inner wall of the atomizing base is provided with internal threads.

The invention has the beneficial effects that:

1. because atomizing mechanism and heating mechanism separately set up, can adjust gas humidity and temperature alone, for direct vapor comes gas heating and humidification, applicable disease and the disease of different age bracket in different situations can carry out more accurate temperature humidity control according to the demand that the disease is different, adjusts more in a flexible way, and adaptability is more extensive.

2. The radiating fins in the heating bin are distributed in a staggered mode, so that the stroke of gas in the heating bin can be prolonged, the heat emitted by the radiating fins can fully heat the gas, and the heating efficiency of the gas is improved under the condition that the power of the electromagnetic heating plate is the same, so that the effect of reducing energy consumption is achieved.

3. The heating area of the gas can be increased by adopting the heat-conducting fins, the heating efficiency of the gas is improved, and the heat-conducting oil is placed in the heat-conducting pipe, so that the temperature in the heating bin is more stable.

4. According to the heating mechanism, the heating bin and the electromagnetic heating plate are movably connected, so that when parts in the heating bin or the electromagnetic heating plate need to be maintained, the heating bin or the electromagnetic heating plate with normal performance can be conveniently replaced and assembled in the device, the device can be kept to work continuously and normally, and the situation that the whole device cannot work due to the damage of a certain part is avoided.

Drawings

FIG. 1 is a schematic view of the apparatus according to the present invention;

FIG. 2 is a schematic diagram of the electrical connection relationship between the atomizing mechanism and the heating mechanism and the main control board according to the present invention;

FIG. 3 is an expanded view of the heat sink within the heating chamber of the present invention;

FIG. 4 is a top view of the heating chamber of the present invention;

FIG. 5 is a diagram illustrating the relationship between the atomizing base and its internal components;

FIG. 6 is a schematic structural view of the atomizing base body according to the present invention;

FIG. 7 is a schematic view of the structure of the cup of the present invention;

FIG. 8 is a diagram of the electrical connection between the electrical components and the main control board according to the present invention;

fig. 9 is a schematic structural diagram of a humidifying and heating device of a prior art respirator;

the reference numbers and their corresponding part names in the figures are as follows:

1-a respirator body, 2-an air supply pipe, 3-an air guide pipe, 4-a use terminal, 5-an exhalation pipe, 6-a heating chamber, 7-an electromagnetic heating plate, 8-a burette, 9-a heated base, 10-an air inlet, 11-an air outlet, 12-a heat radiating fin, 13-an ultrasonic atomizing fin, 14-a temperature sensor, 15-a main control plate, 16-a heat conducting pipe, 17-an atomizing base, 18-a water cup, 19-a boss, 20-a water-proof rubber ring, 21-a gasket, 22-a water level electrode, 23-a water through hole, 24-a water discharging hole, 25-a flange, 26-a cup cover, 27-a through hole, 28-a water storage bottle, 29-a water storage tank and 30-a heated base.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

The heating and humidifying device for the breathing machine shown in fig. 1-7 comprises an atomizing mechanism and a heating mechanism, wherein an air inlet of the heating mechanism is communicated with an air supply pipe 2 of a breathing machine body 1, an air outlet of the heating mechanism is communicated with a mist outlet of the atomizing mechanism and is communicated with a use terminal 4 through an air duct 3, and the use terminal is also communicated with the breathing machine body through an expiratory pipe 5; the heating mechanism comprises a heating bin 6 and an electromagnetic heating plate 7, the heating bin is movably placed on the electromagnetic heating plate, a heated base 9 is arranged at the bottom of the heating bin 6, an air inlet 10 and an air outlet 11 are arranged on the symmetrical side walls of the heating bin, vertical cooling fins 12 are arranged in the heating bin at intervals along the direction from the air inlet to the air outlet, and the cooling fins are distributed in a staggered manner in the vertical direction; an ultrasonic atomization sheet 13 capable of generating atomized water vapor is arranged in the atomization mechanism, and a temperature sensor 14 is arranged at the use terminal; the temperature sensor, the ultrasonic atomization sheet and the electromagnetic heating plate are electrically connected with the main control board 15. The mode that the fin misplaces and distributes can prolong gaseous stroke in the heated warehouses, makes the heat that the fin gived off can carry out abundant heating to gas, under the same condition of electromagnetic heating dish power, improves the heating efficiency to gas to reach the effect that reduces the energy consumption.

The hot air heating system is characterized in that the hot air heating bin 6 is in a hollow cylinder shape, a hollow heat conduction pipe 16 is arranged at the center of the hot air heating bin, the heat conduction pipe is connected with a heated base, the heated base is made of a magnetic conduction stainless steel material, heat can be conducted into the heat conduction pipe through the heat conduction pipe, heat in the heat conduction pipe heats gas through cooling fins, the heating area of the gas can be increased by the heat conduction fins, the heating efficiency of the gas is improved, heat conduction oil is placed in the heat conduction pipe 16, and the temperature in the hot air heating bin can be more.

The radiating fins 12 are connected with the outer wall of the heat conducting pipe 16, the radiating fins are vertically arranged along the circumferential direction of the heat conducting pipe at intervals, and adjacent radiating fins are arranged in a staggered mode along the vertical direction.

The atomizing mechanism include atomizing seat 17, drinking cup 18, atomizing seat both ends opening, the upper portion installation drinking cup of atomizing seat, both ends opening about the drinking cup, atomizing seat lower extreme and air duct 3 communicate each other, set up ultrasonic atomization piece 13 in the inside bottom below that is located drinking cup 18 of atomizing seat.

The inner diameter of the upper portion of the atomizing base 17 is larger than the inner diameter of the lower portion of the atomizing base, so that a boss 19 is formed at a connection position, a water-proof rubber ring 20, a gasket 21, a water level electrode 22 and a water cup 18 are sequentially arranged at the boss 19 from bottom to top, the water-proof rubber ring is transversely arranged between the periphery of the ultrasonic atomizing sheet 13 and the inner wall of the atomizing base 17, a water through hole 23 is formed in the center of the gasket, the water level electrode is electrically connected with the main control board, before the water cup is used, the cup cover is opened firstly to fill a specified water level into the water cup 18, water is supplied into the water cup through the burette 8 in the using process after the cup cover is covered on the water cup cover to keep the water level, the water level electrode detects the water level in the water cup and feeds back to the.

The atomizing base 17 is provided with a drain hole 24 above the gasket, a valve is arranged at a water outlet of the drain hole 24, the water cup 18 and the atomizing base 17 can be connected in a clamping, inserting or threaded manner, when water needs to be drained, the valve at the water outlet of the drain hole 24 is opened, the water cup is moved upwards to the position above the drain hole 24, and the water in the atomizing base can be discharged outwards.

The bottom of the water cup 18 is provided with a flange 25 matched with the gasket 21, the top of the water cup is provided with a cup cover 26, the cup cover is provided with a through hole 27, a water storage bottle 28 is communicated with the water cup through a burette 8, the burette can penetrate through the through hole on the cup cover, the burette is provided with a switch valve, the valve is closed when titration is not needed, and the valve is opened when titration is needed.

Drinking cup 18 can dismantle with atomizing seat 17 and be connected, atomizing seat can dismantle with heat pipe 3 and be connected, gasket 21 and ultrasonic atomization piece 13 demountable installation, when dismantling, take out the back with drinking cup 18 from atomizing seat 17 upper portion, take out the gasket again, take out ultrasonic atomization piece and water proof rubber ring at last.

The water cup 18 is in threaded connection with the atomizing base 17, the outer wall of the lower end of the water cup is provided with external threads, and the inner wall of the atomizing base is provided with internal threads.

Fig. 8 is a connection relationship diagram of electrical components of the heating and humidifying device and the main control board, the power panel provides a working power supply for the main control board, the water level electrode detects the water level in the water cup, once water is lacked, a water shortage signal is sent to the main control board, the main control board controls the power supply to stop working, and an alarm sound is sent; medical staff inputs atomization amount and temperature value through a control panel according to the conditions of different patients, the temperature setting interval is between room temperature and 40 ℃, the setting interval of the atomization amount is 3-5 μm, the main control board realizes the adjustment of the atomization amount by adjusting the power supply power of the ultrasonic atomization piece, the main control board adjusts the heating power of the electromagnetic coil in the electromagnetic heating plate so as to keep the temperature stability of the using terminal through using the signal fed back by the temperature sensor on the terminal, and the electromagnetic heating plate is automatically powered off and sends out an alarm signal after the heating bin is taken down.

The working principle of the device of the invention is as follows: there is control panel on the breathing machine body, medical staff is according to the health condition and the age bracket of disease, set up the required temperature of parameter selection user terminal and humidity on control panel, then start the breathing machine function, the air feed pipe is to heated warehouses 6 conveying gas, start electromagnetic heating dish 7 and heat the gas in the heated warehouses, gas gets into air duct 3 after being heated, main control board control ultrasonic atomization piece 13 work produces the fog simultaneously, the fog is sent into in heat pipe 3 and the gas mixture that the heated warehouses sent out from the bottom export of atomizing seat, then carry user terminal 4 through the pipeline, the patient is from the gas of user terminal exhalation through expiratory tube 5 transport breathing machine body. In the use, temperature sensor detects the temperature of the gas that arrives at the user terminal to show on the breathing machine body, medical staff can observe the temperature of arriving patient user end gas, so that carry out parameter control and control according to the demand of difference.

According to the device, the ultrasonic atomization sheet is arranged in the atomization mechanism, and the oscillation frequency of the ultrasonic atomization sheet is adjusted through the main control board, so that the amount of mist entering the heat conduction pipe can be changed, and the humidity of gas entering a use terminal is adjusted; simultaneously, the gas that the electromagnetic heating plate breathing machine that adopts in the heating mechanism carried heats, adjust the heating power of electromagnetic heating plate in the heating mechanism through the main control board, thereby adjust the temperature that gets into the gas at user terminal, because atomizing mechanism and heating mechanism separately set up, can adjust gas humidity and temperature alone, come to heat and humidify gas for direct vapor, applicable disease and the different age bracket's of different situation disease, can carry out more accurate temperature humidity control according to the different demands of disease, adjust more in a flexible way, adaptability is more extensive.

According to the heating mechanism, the heating bin and the electromagnetic heating plate are movably connected, so that when parts in the heating bin or the electromagnetic heating plate need to be maintained, the heating bin or the electromagnetic heating plate with normal performance can be conveniently replaced and assembled in the device, the device can be kept to work continuously and normally, and the situation that the whole device cannot work due to the damage of a certain part is avoided.

Claims

1. The utility model provides a humidification device heats for breathing machine which characterized in that: the respirator comprises an atomizing mechanism and a heating mechanism, wherein an air inlet of the heating mechanism is communicated with an air supply pipe (2) of a respirator body (1), an air outlet of the heating mechanism is communicated with a mist outlet of the atomizing mechanism and is communicated with a use terminal (4) through an air guide pipe (3), and the use terminal is also communicated with the respirator body through an expiration pipe (5); the heating mechanism comprises a heating bin (6) and an electromagnetic heating plate (7), the heating bin is movably placed on the electromagnetic heating plate, a heated base (9) is arranged at the bottom of the heating bin (6), an air inlet (10) and an air outlet (11) are arranged on the symmetrical side walls of the heating bin, vertical cooling fins (12) are arranged in the heating bin at intervals along the direction from the air inlet to the air outlet, and the cooling fins are distributed in a staggered manner in the vertical direction; an ultrasonic atomization sheet (13) capable of generating atomized water vapor is arranged in the atomization mechanism, and a temperature sensor (14) is arranged at the use terminal; the temperature sensor, the ultrasonic atomization sheet and the electromagnetic heating plate are electrically connected with a main control board (15).

2. A warming and humidifying device for a ventilator as claimed in claim 1, wherein: the heating bin (6) is in a hollow cylinder shape, a hollow heat conduction pipe (16) is arranged at the center of the heating bin, and heat conduction oil is placed in the heat conduction pipe (16).

3. A warming and humidifying device for a ventilator as claimed in claim 2, wherein: the radiating fins (12) are connected with the outer wall of the heat conduction pipe (16), the radiating fins are vertically arranged at intervals along the circumferential direction of the heat conduction pipe, and adjacent radiating fins are arranged in a staggered mode along the vertical direction.

4. A warming and humidifying device for a ventilator as claimed in claim 1, wherein: atomizing mechanism include atomizing seat (17), drinking cup (18), atomizing seat both ends opening, the upper portion installation drinking cup of atomizing seat, both ends opening about the drinking cup, atomizing seat lower extreme and air duct (3) communicate each other, set up ultrasonic atomization piece (13) in the inside bottom below that is located drinking cup (18) of atomizing seat.

5. A warming and humidifying device for a ventilator according to claim 4, wherein: thereby the internal diameter on atomizing seat (17) upper portion is greater than the internal diameter of lower part and forms boss (19) in linking department, sets gradually water proof rubber ring (20), gasket (21), water level electrode (22) and drinking cup (18) in boss (19) department from the bottom up, water proof rubber ring set up transversely between ultrasonic atomization piece (13) periphery and atomizing seat (17) inner wall, the center of gasket is provided with limbers (23), water level electrode and main control board electric connection.

6. A warming and humidifying device for a ventilator according to claim 5, wherein: a water discharge hole (24) is formed in the atomizing base (17) above the gasket, and a valve is arranged at a water outlet of the water discharge hole (24).

7. A warming and humidifying device for a ventilator according to claim 5, wherein: the bottom of the water cup (18) is provided with a flange (25) matched with the gasket (21), the top of the water cup is provided with a cup cover (26), the cup cover is provided with a through hole (27), the water storage bottle (28) is communicated with the water cup through a burette (8), and the burette can penetrate through the through hole on the cup cover.

8. A warming and humidifying device for a ventilator according to claim 5, wherein: drinking cup (18) can dismantle with atomizing seat (17) and be connected, atomizing seat can dismantle with heat pipe (3) and be connected, gasket (21) and ultrasonic atomization piece (13) demountable installation.

9. A warming and humidifying device for a ventilator as claimed in claim 8, wherein: the water cup (18) is in threaded connection with the atomizing seat (17), the outer wall of the lower end of the water cup is provided with external threads, and the inner wall of the atomizing seat is provided with internal threads.