CN111773501A

CN111773501A - Breathing machine gas heating humidification device

Info

Publication number: CN111773501A
Application number: CN202010874652.3A
Authority: CN
Inventors: 刘静; 孙亚慧; 魏娟; 宋春美; 孙延玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2020-10-16
Anticipated expiration: 2040-08-27
Also published as: CN111773501B

Abstract

The invention relates to a gas heating and humidifying device of a breathing machine, which comprises a vaporizing device, a main pipe, a connecting rod, a connecting pipe, a one-way valve and a heating device, wherein the connecting rod is arranged in the middle of the upper end of the vaporizing device, the connecting rod is connected with the main pipe through a pin shaft, the connecting pipe is connected between the main pipe and the vaporizing device, the one-way valve is arranged at the left end of the main pipe, and the heating device is arranged at the right end of the main pipe. The invention can solve the problems that when the traditional heating and humidifying device works, the mixed gas of the water vapor and the oxygen is possibly liquefied due to temperature reduction during the transportation, water drops are formed after the liquefaction and are attached to the inner wall of the pipe, so that the difficulty of oxygen transportation is increased, and when the clear water is heated, the rising path of the water vapor before the water vapor is mixed with the oxygen is prolonged along with the reduction of the water surface, so that the transportation of the water vapor is not facilitated, and the like.

Description

Breathing machine gas heating humidification device

Technical Field

The invention relates to the field of breathing machines, in particular to a gas heating and humidifying device of a breathing machine.

Background

The respirator is a device which can replace, control or change the normal physiological respiration of a person, increase the ventilation capacity of the lung, improve the respiratory function, reduce the consumption of the respiratory function and save the heart reserve capacity. The ventilator must have four basic functions, namely: in addition to the above basic functions, the gas supplied by the breathing machine is preferably heated and humidified to replace the nasal cavity function of the human body and can supply oxygen higher than the oxygen contained in the atmosphere so as to increase the concentration of the inhaled oxygen and improve oxygenation. Therefore, at present, a gas heating and humidifying device is often provided in middle and high-grade ventilators.

Traditional heating humidification device heats the clear water usually, the vapor that forms after the heating is inhaled by the personnel in the lump after mixing with oxygen, however, often can meet some problems in transportation process, the circumstances of liquefaction appears because of the cooling in the mist of vapor and oxygen probably when carrying, form the water droplet after the liquefaction and attach to on the inside pipe wall, thereby the degree of difficulty that oxygen was carried has been increased, and when heating the clear water, along with the reduction of the surface of water, the ascending route of vapor before mixing with oxygen can obtain the extension, be unfavorable for the transport of vapor.

Disclosure of Invention

Technical scheme (I)

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a breathing machine gas heating humidification device, includes vapourizing unit, is responsible for, connecting rod, connecting pipe, check valve and heating device, vapourizing unit's upper end mid-mounting have the connecting rod, for the round pin hub connection between connecting rod and the person in charge, even have the connecting pipe between the person in charge and the vapourizing unit, the check valve is installed to the left end of being responsible for, heating device is installed to the right-hand member of being responsible for.

Vaporizing device including storing frame, check baffle and vaporization mechanism, the mid-mounting of storing the frame has the check baffle, forms two between storing frame and the check baffle and stores the chamber, and stores the intracavity and install the vaporization mechanism, during specific work, through the clear water heating that vaporization mechanism will store the intracavity, the water heating forms vapor, the rising vapor is mixed with oxygen and is together entered into in being responsible for.

The check valve comprises a conveying pipe, a connecting column, a blocking ball, a return spring, a left sleeving pipe and a supporting mechanism, the right end of the conveying pipe is communicated with the left end of the main pipe, the connecting column is arranged in the conveying pipe, the left end of the connecting column is connected with the blocking ball in a sliding fit manner, and a return spring is connected between the connecting column and the blocking ball, a left sleeve pipe is installed at the left end of the conveying pipe, a supporting mechanism is connected between the conveying pipe and the storage frame, when the breathing machine works, oxygen is conveyed to the left sleeve pipe by the breathing machine and enters the conveying pipe, the blocking ball is pushed to the right under the extrusion of the oxygen in the back, so that the oxygen is continuously conveyed to the right from the gap between the blocking ball and the conveying pipe, when oxygen stops to be conveyed, the blocking ball resets leftwards under the reset of the reset spring to block the conveying pipe, the one-way valve plays a role in conveying oxygen in a single direction, and the supporting mechanism plays a role in adjusting the angle.

The heating device comprises a butt joint pipe, an environment-friendly rubber pipe, a fixing ring, a threaded pipe, a conveying copper block, a conveying cavity, a first heat-preserving cavity, a heating mechanism, a second heat-preserving cavity, a heating pipe and a right sleeve-arranged pipe, wherein the butt joint pipe is connected with the right end of a main pipe through the environment-friendly rubber pipe, the fixing ring is arranged on the outer wall of the butt joint pipe and is connected with the right end of the threaded pipe in a rotating fit manner, the left end of the threaded pipe is connected with the main pipe in a threaded fit manner, the right end of the butt joint pipe is arranged on the conveying copper block, the conveying cavity is formed in the middle of the conveying copper block, the first heat-preserving cavity is formed in the upper end of the conveying copper block, the heating mechanism is arranged on the first heat-preserving cavity, the second heat-preserving cavity is formed in the lower end of the conveying copper block, the heating pipe is arranged on the inner wall of the second heat, rotatable screwed pipe according to the actual demand, adjusts the distance between butt joint pipe and the person in charge, and after the oxygen therapy, fill up steam in first heat preservation intracavity through heating mechanism, through the heating pipe to the laminating formula heat conduction of carrying the chamber lower wall, the temperature of the mist that the two synchronous operation was come to carrying heats and maintains.

Preferably, the vaporization mechanism comprises a sealing bottom plate, an electric heating wire, an internal spring and a protection tube, the sealing bottom plate is connected with the storage cavity in a sliding fit mode, the outer edge of the sealing bottom plate is attached to the inner wall of the storage cavity, the electric heating wire is installed at the upper end of the sealing bottom plate, the internal spring is connected between the sealing bottom plate and the storage cavity, and the protection tube covers the external portion of the internal spring.

Preferably, the right end of the blocking ball is provided with a sleeving hole, the sleeving hole is connected with the connecting column in a sliding fit manner, and the left end of the sleeving hole is connected with the buffer plate through a connecting spring.

Preferably, the supporting mechanism include sliding block, threaded rod and angle pole, store the upper end right side of frame and seted up the sliding tray, be connected for sliding fit between sliding tray and the sliding block, be connected for screw-thread fit between sliding block and the threaded rod, the right-hand member of threaded rod with store and be connected for the bearing between the frame, even have the angle pole through the hinge between sliding block and the conveyer pipe.

Preferably, heating mechanism include heat pump, hot gas pipeline, insulating tube, communicating pipe, fixed plate and elasticity rope, the hot gas pump is installed on carrying the copper billet, the heat pump is the intercommunication relation with the hot gas pipeline, the hot gas pipeline is installed in the upper end of carrying the copper billet, be the intercommunication relation between hot gas pipeline and the first heat preservation chamber, the lower extreme in first heat preservation chamber is connected with the insulating tube through the round pin axle, and the intercommunication has communicating pipe between insulating tube and the first heat preservation chamber, both ends are passed through the elasticity rope and are connected with the fixed plate about the insulating tube, the fixed plate is installed on the inner wall of carrying the chamber.

Preferably, the conveying cavity is of a serpentine structure, and the heat preservation pipe is made of copper materials.

(II) advantageous effects

1. According to the breathing machine gas heating and humidifying device, the sealing bottom plate is designed by adopting the bottom elastic connection, and along with the reduction of clean water in the storage frame, the sealing bottom plate rises under the action of the built-in spring, so that the water surface is always kept at the same plane position, the conveying of water vapor is facilitated, meanwhile, the heating maintenance of the temperature of mixed gas is realized by the serpentine structure design of the conveying cavity and the double heat preservation mode, and the condition that the water vapor is cooled in advance and attached to the inner wall of the pipe is avoided;

2. according to the heating device for heating and humidifying the gas of the breathing machine, the mixed gas is insulated in a hot gas overflow and heat conduction mode, the heat insulation pipe located inside the conveying cavity is in zero-distance contact with the mixed gas, the heat insulation pipe filled with the hot gas heats the mixed gas conveyed from the front to the rear to a certain extent, meanwhile, the heat insulation pipe in elastic connection conveys the mixed gas in a blocking mode, the conveying speed is reduced, the situation that oxygen is sucked by people passively and too fast is avoided, meanwhile, the backflow of the mixed gas is prevented due to the arrangement of the one-way valve, and the smooth conveying of the gas is guaranteed.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is an overall cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view of a plugging ball of the present invention;

fig. 3 is an enlarged view of the invention in fig. 2, taken along line X.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 3, a breathing machine gas heating humidification device, including vaporizing device 1, be responsible for 2, connecting rod 3, connecting pipe 4, check valve 5 and heating device 6, vaporizing device 1's upper end mid-mounting have connecting rod 3, connecting rod 3 and be responsible for being the round pin hub connection between 2, even have connecting pipe 4 between being responsible for 2 and vaporizing device 1, be responsible for the left end of 2 and install check valve 5, be responsible for the right-hand member of 2 and install heating device 6.

Vaporizing device 1 including storing frame 11, check baffle 12 and vaporization mechanism 13, the mid-mounting of storing frame 11 has check baffle 12, stores and forms two between frame 11 and the check baffle 12 and stores the chamber, and stores the intracavity and install vaporization mechanism 13, during specific work, through vaporization mechanism 13 with the clear water heating of storing the intracavity, the water heating forms vapor, the rising vapor is mixed with oxygen and is together entered into in being responsible for 2.

The check valve 5 comprises a delivery pipe 51, a connecting column 52, a blocking ball 53, a return spring 54, a left sleeve pipe 55 and a supporting mechanism 56, the right end of the delivery pipe 51 is communicated with the left end of the main pipe 2, the connecting column 52 is installed inside the delivery pipe 51, the left end of the connecting column 52 is connected with the blocking ball 53 in a sliding fit manner, the return spring 54 is connected between the connecting column 52 and the blocking ball 53, the left sleeve pipe 55 is installed at the left end of the delivery pipe 51, the supporting mechanism 56 is connected between the delivery pipe 51 and the storage frame 11, during specific work, the breathing machine delivers oxygen to the left sleeve pipe 55 and enters the delivery pipe 51, the blocking ball 53 is pushed to the right under the extrusion of the oxygen, so that the oxygen is continuously delivered to the right from the gap between the blocking ball 53 and the delivery pipe 51, when the oxygen stops being delivered, the blocking ball 53 is reset to the left under the reset of the return spring, the one-way valve 5 functions to deliver oxygen in a single direction, and the support mechanism 56 functions to adjust the angle.

The heating device 6 comprises a butt joint pipe 61, an environment-friendly rubber pipe 62, a fixing ring 63, a threaded pipe 64, a conveying copper block 65, a conveying cavity 66, a first heat preservation cavity 67, a heating mechanism 68, a second heat preservation cavity 69, a heating pipe 70 and a right sleeve-arranged pipe 71, wherein the butt joint pipe 61 and the right end of the main pipe 2 are connected with the environment-friendly rubber pipe 62, the fixing ring 63 is installed on the outer wall of the butt joint pipe 61, the fixing ring 63 is connected with the right end of the threaded pipe 64 in a rotating fit manner, the left end of the threaded pipe 64 is connected with the main pipe 2 in a threaded fit manner, the right end of the butt joint pipe 61 is installed on the conveying copper block 65, the conveying cavity 66 is formed in the middle of the conveying copper block 65, the first heat preservation cavity 67 is formed in the upper end of the conveying copper block 65, the heating mechanism 68 is installed on the first heat preservation cavity 67, the second heat preservation cavity 69 is formed in the lower end of the conveying copper block 65, the, during specific work, before the oxygen therapy, establish the pipe 71 through the right side cover and be connected the back with the respiratory mask, rotatable screwed pipe 64 according to actual demand, adjusts the distance between interfacing pipe 61 and the person in charge 2, after the oxygen therapy, fills up steam through heating mechanism 68 in the first heat preservation chamber 67, through the laminating formula heat conduction of heating pipe 70 to the lower lateral wall of transport chamber 66, and the synchronous operation of the two heats the temperature of the mist of carrying and coming and maintains.

The vaporization mechanism 13 includes a sealing bottom plate 131, an electric heating wire 132, an internal spring 133 and a protection tube 134, the sealing bottom plate 131 is connected with the storage cavity in a sliding fit manner, the outer edge of the sealing bottom plate 131 is in a fit state with the inner wall of the storage cavity, the electric heating wire 132 is installed at the upper end of the sealing bottom plate 131, the internal spring 133 is connected between the sealing bottom plate 131 and the storage cavity, the protection tube 134 is covered outside the internal spring 133, clean water is poured into the storage frame 11 and is heated and vaporized by the electric heating wire 132, the clean water in the storage frame 11 is gradually reduced along with the outflow of water vapor, the path of the vaporized water vapor leaving the water surface and entering the main pipe 2 is prolonged along with the reduction of the water surface, and the situation of water vapor cooling may occur in the period, when the clean water is reduced, the sealing bottom plate 131 is in an elastic connection manner, the sealing bottom plate 131 gradually rises under the action of the internal spring, the water level is always kept on the same surface, and the path unification of the water vapor is ensured.

The right end of the blocking ball 53 is provided with a sleeve hole, the sleeve hole is connected with the connecting column 52 in a sliding fit manner, the left end of the sleeve hole is connected with the buffer plate through a connecting spring, and the elastic connection of the buffer plate plays a certain role in buffering and extruding the left end of the connecting column 52.

Supporting mechanism 56 include sliding block 561, threaded rod 562 and angle pole 563, the sliding tray has been seted up on the upper end right side of storing frame 11, be sliding fit connection between sliding tray and the sliding block 561, be screw-thread fit connection between sliding block 561 and the threaded rod 562, the right-hand member of threaded rod 562 and store and be connected for the bearing between the frame 11, even have angle pole 563 through the hinge between sliding block 561 and the conveyer pipe 51, concrete during operation, control about sliding block 561 through rotating threaded rod 562, thereby the angle of control angle pole 563, and then the angle of the person in charge 2 of the regulation.

The heating mechanism 68 comprises a hot air pump 681, a hot air pipeline 682, a heat preservation pipe 683, a communicating pipe 684, a fixing plate 685 and an elastic rope 686, the hot air pump 681 is installed on the conveying copper block 65, the hot air pump 681 is communicated with the hot air pipeline 682, the hot air pipeline 682 is installed at the upper end of the conveying copper block 65, the hot air pipeline 682 is communicated with the first heat preservation cavity 67, the lower end of the first heat preservation cavity 67 is connected with the heat preservation pipe 683 through a pin shaft, the communicating pipe 684 is communicated between the heat preservation pipe 683 and the first heat preservation cavity 67, the left end and the right end of the heat preservation pipe 683 are connected with the fixing plate 685 through the elastic rope 686, the fixing plate 685 is installed on the inner wall of the conveying cavity 66, during specific work, hot air is conveyed to the hot air pipeline through the hot air pump 681 and then enters the first heat preservation cavity 67 and the heat preservation pipe 683, the first heat preservation cavity 67 filled with hot air maintains the temperature of the mixed air conveyed into the conveying cavity 66, and the elastic connection of the insulating pipe 683 plays a certain role in buffering the mixed gas in the conveying cavity 66, so that the situation that the oxygen is sucked by people too fast is avoided.

Transport chamber 66 be snakelike structure, do benefit to and carry out long-time heat preservation to the mist of vapor, oxygen, carry out the effect of slowly sending to the mist simultaneously, insulating tube 683 is made by the copper product, has the effect of heat conduction.

When in work:

s1, connecting the existing respirator and the left sleeve pipe 55 in a sleeved mode, connecting the respirator and the right sleeve pipe 71 in a sleeved mode, and enabling oxygen blown out by the respirator to enter the respirator after sequentially passing through the left sleeve pipe 55, the conveying pipe 51, the main pipe 2, the environment-friendly rubber pipe 62, the butt joint pipe 61, the conveying cavity 66 and the right sleeve pipe 71 from left to right;

s2, when oxygen enters the main pipe 2, the vaporizing device 1 heats the clean water in the storage frame 11, and the formed water vapor and the oxygen entering the main pipe 2 are conveyed rightwards;

s3, when the oxygen enters the transfer chamber 66, the heating device 6 heats and maintains the temperature of the mixed gas formed by the water vapor and the oxygen, and simultaneously, the mixed gas is transferred in a buffer manner;

and S4, the heated and humidified gas enters the breathing mask and is inhaled by a person.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a breathing machine gas heating humidification device, includes vaporizing device (1), is responsible for (2), connecting rod (3), connecting pipe (4), check valve (5) and heating device (6), its characterized in that: the middle part of the upper end of the vaporizing device (1) is provided with a connecting rod (3), the connecting rod (3) is connected with the main pipe (2) through a pin shaft, a connecting pipe (4) is connected between the main pipe (2) and the vaporizing device (1), the left end of the main pipe (2) is provided with a one-way valve (5), and the right end of the main pipe (2) is provided with a heating device (6);

the vaporizing device (1) comprises a storage frame (11), grid baffles (12) and a vaporizing mechanism (13), wherein the middle part of the storage frame (11) is provided with the grid baffles (12), two storage cavities are formed between the storage frame (11) and the grid baffles (12), and the vaporizing mechanism (13) is arranged in the storage cavities;

the check valve (5) comprises a conveying pipe (51), a connecting column (52), a blocking ball (53), a return spring (54), a left sleeve pipe (55) and a supporting mechanism (56), the right end of the conveying pipe (51) is communicated with the left end of the main pipe (2), the connecting column (52) is installed inside the conveying pipe (51), the left end of the connecting column (52) is connected with the blocking ball (53) in a sliding fit manner, the return spring (54) is connected between the connecting column (52) and the blocking ball (53), the left sleeve pipe (55) is installed at the left end of the conveying pipe (51), and the supporting mechanism (56) is connected between the conveying pipe (51) and the storage frame (11);

the heating device (6) comprises a butt joint pipe (61), an environment-friendly rubber pipe (62), a fixing ring (63), a threaded pipe (64), a conveying copper block (65), a conveying cavity (66), a first heat preservation cavity (67), a heating mechanism (68), a second heat preservation cavity (69), a heating pipe (70) and a right sleeve-arranged pipe (71), the butt joint pipe (61) is connected with the right end of a main pipe (2) through the environment-friendly rubber pipe (62), the fixing ring (63) is installed on the outer wall of the butt joint pipe (61), the fixing ring (63) is connected with the right end of the threaded pipe (64) in a rotating fit manner, the left end of the threaded pipe (64) is connected with the main pipe (2) in a threaded fit manner, the right end of the butt joint pipe (61) is installed on the conveying copper block (65), the conveying cavity (66) is formed in the middle of the conveying copper block (65), the first heat preservation cavity (67) is formed in the upper end of the conveying copper block (65), the lower end of the conveying copper block (65) is provided with a second heat preservation cavity (69), the inner wall of the second heat preservation cavity (69) is provided with a heating pipe (70), and the right end of the conveying cavity (66) is communicated with a right sleeve pipe (71).

2. The heating and humidifying device for the gas of the breathing machine as claimed in claim 1, wherein: vaporization mechanism (13) include sealed bottom plate (131), heating wire (132), built-in spring (133) and protection tube (134), be sliding fit connection between sealed bottom plate (131) and the storage chamber, and sealed bottom plate (131) outside edge and storage chamber inner wall be the laminating state, heating wire (132) are installed to the upper end of sealed bottom plate (131), even have built-in spring (133) between sealed bottom plate (131) and the storage chamber, and built-in spring (133) outside is covered with protection tube (134).

3. The heating and humidifying device for the gas of the breathing machine as claimed in claim 1, wherein: the right end of the blocking ball (53) is provided with a sleeving hole, the sleeving hole is connected with the connecting column (52) in a sliding fit manner, and the left end of the sleeving hole is connected with the buffer plate through a connecting spring.

4. The heating and humidifying device for the gas of the breathing machine as claimed in claim 1, wherein: supporting mechanism (56) include sliding block (561), threaded rod (562) and angle pole (563), the sliding tray has been seted up on the upper end right side of storing frame (11), be sliding fit between sliding tray and sliding block (561) and be connected, be screw fit between sliding block (561) and threaded rod (562) and be connected, the right-hand member of threaded rod (562) with store and be connected for the bearing between frame (11), even have angle pole (563) through the hinge between sliding block (561) and conveyer pipe (51).

5. The heating and humidifying device for the gas of the breathing machine as claimed in claim 1, wherein: heating mechanism (68) include hot-air pump (681), hot gas pipeline (682), insulating tube (683), communicating pipe (684), fixed plate (685) and elasticity rope (686), hot-air pump (681) is installed on carrying copper billet (65), hot-air pump (681) and hot gas pipeline (682) are the connectivity relation, hot gas pipeline (682) is installed in the upper end of carrying copper billet (65), be the connectivity relation between hot gas pipeline (682) and first heat preservation chamber (67), the lower extreme of first heat preservation chamber (67) is connected with insulating tube (683) through the round pin axle, and the intercommunication has communicating pipe (684) between insulating tube (683) and first heat preservation chamber (67), the left and right sides both ends of insulating tube (683) are connected with fixed plate (685) through elasticity rope (686), fixed plate (685) are installed on the inner wall of carrying chamber (66).

6. A heating and humidifying device for breathing machine gas as claimed in claim 5, wherein: the conveying cavity (66) is of a snake-shaped structure, and the heat-insulating pipe (683) is made of copper materials.