CN110604858A - Humidifier of breathing machine and control method thereof - Google Patents
Humidifier of breathing machine and control method thereof Download PDFInfo
- Publication number
- CN110604858A CN110604858A CN201910800534.5A CN201910800534A CN110604858A CN 110604858 A CN110604858 A CN 110604858A CN 201910800534 A CN201910800534 A CN 201910800534A CN 110604858 A CN110604858 A CN 110604858A
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- CN
- China
- Prior art keywords
- humidifier
- water level
- circuit board
- water
- pinch valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
- A61M16/162—Water-reservoir filling system, e.g. automatic
Abstract
The invention discloses a humidifier of a breathing machine and a control method thereof, wherein the humidifier comprises: humidifying jar body, pinch valve, silicone tube, bee calling organ, circuit board, end cover and water level detection device, humidifying jar body one end is provided with the water injection pipe, the pinch valve sets up the humidifying jar body is close to water injection pipe one end, the pinch valve centre gripping the silicone tube is connected the water injection pipe, the humidifying jar body other end is provided with the end cover, bee calling organ with the circuit board sets up the end cover is inboard. The control method of the humidifier comprises the following steps: the water level detection device detects the water level; when a low water level is detected, the circuit board controls the pinch valve to be connected with the silicone tube for water injection, and when a high water level is detected, the circuit board controls the pinch valve to pinch off the silicone tube to stop water injection. The humidifier provided by the invention automatically controls the humidifier to add water, so that the phenomenon that the excessive water adding or insufficient water adding of the humidifier affects the treatment of a patient is prevented.
Description
Technical Field
The invention relates to the technical field of breathing machines, in particular to a humidifier of a breathing machine and a control method thereof.
Background
The breathing machine is a vital medical device which can prevent and treat respiratory failure and save and prolong the life of a patient. The humidifier is an important component of the respirator, when a critically ill patient uses the respirator to assist ventilation, air sent by the respirator is dry and cold, the dry and cold air enters the trachea to damage the lung function, the cilia quantity is reduced, the function is disturbed, the surface active substances of alveoli are damaged, sputum is sticky and blocks the airway, the incidence rate of lung infection is increased, and the like, so the inhaled air needs to be heated and humidified through the humidifier.
The humidifier needs to be added with water continuously along with the consumption of the sterilized injection water in the work, and the water adding mode of the humidifier in the prior art comprises the following steps: the respirator and the air inlet pipeline are separated, and water is added from the air inlet; pumping the sterilized injection water by using a syringe and injecting the water from the air inlet; the transfusion tube is connected with the water injection tube by using a transfusion device to add water. The breathing machine pipeline is required to be disconnected when the breathing machine pipeline is disconnected from water and the injector is used for adding water, so that the treatment of a patient is influenced, and meanwhile, the possibility of the infection of the breathing machine pipeline is increased due to the repeated disconnection of the loop. Need the manual work to nurse when using the transfusion system to add water, but it is busy sometimes to practice medical care work clinically, neglected adding water, form "dry combustion method", it not only can not obtain the humidifying to lead to the inspiratory gas of patient, still cause the damage of humidifying jar easily, sometimes medical personnel open and disturb by other affairs behind the transfusion system of humidifying jar watered, do not pay attention to the water yield or forget, often cause to add water too much, make the water in the humidifying jar spill over to the breathing machine pipeline in, cause breathing machine pipeline ponding to take place the jam even, probably cause the breathing machine can not air feed when serious, the discovery is handled untimely or even causes patient "suffocation", bring serious consequence for the patient.
In order to prevent the humidifier from adding too much water, a float mechanism is arranged in the existing humidifier to block a water injection pipe when the water is added too much, the float mechanism cannot play a role when the humidifier lacks water, the infusion bottle is generally hung highly and has certain water pressure, and the mode that the float mechanism blocks the water injection pipe is adopted to prevent water injection and cannot completely block water addition.
Disclosure of Invention
The invention aims to provide a humidifier of a breathing machine and a control method thereof, which can automatically control the humidifier to add water and prevent the humidifier from adding too much water or insufficient water to influence the treatment of a patient.
In order to achieve the above object, the present invention provides a humidifier for a respirator, comprising: humidifying jar body, pinch valve, silicone tube, sealed lid, heater, bee calling organ, circuit board, end cover and water level detection device, humidifying jar body one end is provided with water injection pipe, intake pipe and blast pipe, the pinch valve sets up the humidifying jar body is close to water injection pipe one end, the centre gripping is in on the chuck of pinch valve the silicone tube is connected the water injection pipe, the humidifying jar body other end is provided with the end cover, the inboard interval of end cover is provided with sealed lid, the heater sets up sealed lid is close to end cover one side, water level detection device sets up sealed lid is kept away from end cover one side, bee calling organ with the circuit board sets up the end cover is inboard, bee calling organ pinch valve and water level detection device with the circuit board passes through the wire and connects.
Optionally, one end of the silicone tube, which is far away from the water injection tube, is connected with a multi-way tube joint, and the multi-way tube joint is used for connecting infusion tubes of a plurality of infusion bottles.
Optionally, a clamping sleeve is sleeved between a valve body and a clamping head of the pinch valve, the valve body is arranged in a counter bore at one end of the humidification tank, and the clamping sleeve is fixedly connected with the humidification tank to fix the pinch valve.
Optionally, the jacket is connected with the humidification tank body in an adhesive manner, or the jacket is provided with mounting holes for mounting screws, and the jacket is fixedly connected with the humidification tank body through screws.
Optionally, a heat insulation plate is arranged between the circuit board and the heater.
Optionally, the water level detection device comprises a pressure sensor, the pressure sensor is arranged on the inner wall of the humidifying tank, a threading hole is formed in the side wall of the humidifying tank, a wire arranging groove is formed in the outer wall of the humidifying tank between the threading hole and the pressure sensor, and a wire passes through the wire arranging groove and is connected with the pressure sensor and the circuit board through the threading hole.
Optionally, the water level detection device includes float, support, magnet, first hall element, second hall element and third hall element, the support is followed the setting of humidifying jar body axis direction, the float cover is established on the support, magnet sets up in the float, first hall element, second hall element and third hall element follow humidifying jar body axis direction interval sets up on the humidifying jar side wall, be provided with the through wires hole on the humidifying jar side wall, first hall element, second hall element and third hall element with be provided with the reason wire casing between the through wires hole, the wire passes through the reason wire casing with the through wires jogged joint the circuit board with first hall element, second hall element and third hall element.
Optionally, the wire arrangement groove is sealed by a wire groove cover.
The invention also provides a control method of the humidifier of the breathing machine, which comprises the following steps:
providing a humidifier;
the water level detection device of the humidifier detects the water level of the sterilization injection water in the humidification tank body;
when a low water level is detected, the circuit board of the humidifier controls the pinch valve to be communicated with the silicone tube, the silicone tube injects water into the humidification tank body through the water injection tube, and when a high water level is detected, the circuit board controls the pinch valve to pinch off the silicone tube to stop injecting water.
Optionally, when a low water level is detected, the circuit board controls the pinch valve to be communicated with the silicone tube, and when the water level continues to fall to the warning water level, the circuit board controls the buzzer to give an alarm to remind of replacing the infusion bottle.
The invention provides a humidifier of a breathing machine and a control method thereof, wherein the humidifier comprises: humidifying jar body, pinch valve, silicone tube, sealed lid, heater, bee calling organ, circuit board, end cover and water level detection device, humidifying jar body one end is provided with water injection pipe, intake pipe and blast pipe, the pinch valve sets up the humidifying jar body is close to water injection pipe one end, the centre gripping is in on the chuck of pinch valve the silicone tube is connected the water injection pipe, the humidifying jar body other end is provided with the end cover, the inboard interval of end cover is provided with sealed lid, the heater sets up sealed lid is close to end cover one side, water level detection device sets up sealed lid is kept away from end cover one side, bee calling organ with the circuit board sets up the end cover is inboard, bee calling organ pinch valve and water level detection device with the circuit board passes through the wire and connects. When a low water level is detected, the circuit board of the humidifier controls the pinch valve to be communicated with the silicone tube, the silicone tube injects water into the humidification tank body through the water injection tube, and when a high water level is detected, the circuit board controls the pinch valve to pinch off the silicone tube to stop injecting water. The humidifier of the breathing machine provided by the invention automatically controls the humidifier to add water, so that the phenomenon that the excessive or insufficient water addition of the humidifier affects the treatment of a patient is prevented.
Drawings
FIG. 1 is a schematic view of a humidifier according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a humidifier according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a float switch of a humidifier according to an embodiment of the present invention.
Wherein: 1-a humidifying tank body, 101-an air inlet pipe, 102-an air outlet pipe, 103-a water injection pipe, 104-a threading hole, 2-a pinch valve, 3-a jacket, 301-a mounting hole, 4-a sealing cover, 5-a heater, 6-a heat insulation plate, 7-a buzzer, 8-a circuit board, 9-an end cover, 10-a pressure sensor, 11-a line groove cover, 12-a support, 13-a floater, 14-a magnet, 151-a first Hall element, 152-a second Hall element and 153-a third Hall element.
Detailed Description
The following describes in more detail embodiments of the present invention with reference to the schematic drawings. Advantages and features of the present invention will become apparent from the following description and claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Fig. 1 is a schematic diagram of a humidifier according to an embodiment of the present invention, and fig. 2 is a schematic cross-sectional diagram of a humidifier according to an embodiment of the present invention, as shown in fig. 1 and 2, the humidifier includes: the humidifying device comprises a humidifying tank body 1, a pinch valve 2, a silicone tube (not shown), a sealing cover 4, a heater 5, a buzzer 7, a circuit board 8, an end cover 9 and a water level detection device. The humidifying tank body 1 is a cavity with an opening at one end, a water injection pipe 103, an air inlet pipe 101 and an air outlet pipe 102 are arranged at the upper end of the humidifying tank body 1, and the air inlet pipe 101 and the air outlet pipe 102 are connected with a gas pipeline of a breathing machine. Pinch valve 2 sets up 1 upper end of the humidifying jar body, the centre gripping is in on the chuck of pinch valve 2 the silicone tube is connected water injection pipe 103, the 1 other end of the humidifying jar body is provided with end cover 9, the inboard interval of end cover 9 is provided with sealed lid 4, heater 5 sets up sealed 4 downside, water level detection device sets up sealed 4 upside, bee calling organ 7 with circuit board 8 all sets up the end cover 9 is inboard, bee calling organ 7 pinch valve 2 and water level detection device with circuit board 8 passes through the wire and connects. A heat insulating plate 6 is disposed between the circuit board 8 and the heater 5 to separate the heater 5 from the circuit board 8. One end of the silicone tube, which is far away from the water injection tube 103, is connected with a multi-way tube joint (such as a three-way tube joint or a four-way tube joint), and the multi-way tube joint is used for connecting infusion tubes of a plurality of infusion bottles.
Referring to fig. 1, a jacket 3 is sleeved between a valve body and a chuck of the pinch valve 2, the valve body is arranged in a counter bore at the upper end of the humidification tank body 1, the counter bore is sealed with an inner cavity of the humidification tank body 1, and the jacket 3 is fixedly connected with the humidification tank body 1 to fix the pinch valve 2. Specifically, the jacket 3 is connected with the humidification tank body 1 in an adhesive manner, or the jacket 3 is provided with mounting holes 301 for mounting screws, and the jacket 3 is fixedly connected with the humidification tank body 1 through screws.
Referring to fig. 2, the water level detecting device can be a pressure sensor 10, the pressure sensor 10 is arranged on the inner wall of the humidification tank body 1, a threading hole 104 is arranged on the side wall of the humidification tank body 1, a wire arranging groove is arranged on the outer wall of the humidification tank body 1 between the threading hole 104 and the pressure sensor 10, the wire is connected with the pressure sensor 10 and the circuit board 8 through the wire arranging groove and the threading hole 104, and the wire arranging groove is sealed by a wire groove cover 11.
Fig. 3 is a schematic diagram of a float switch of a humidifier according to an embodiment of the present invention, referring to fig. 3, the water level detecting device may be configured as a float 13, a bracket 12, a magnet 14, a first hall element 151, a second hall element 152, and a third hall element 153, the bracket 12 is disposed along an axial direction of the humidification tank 1, the float 13 is sleeved on the bracket 12 and can float up and down along the bracket 12 along with the water level, the magnet 14 is disposed in the float 13, the first hall element 151, the second hall element 152, and the third hall element 153 are disposed on a side wall of the humidification tank 1 at intervals along the axial direction of the humidification tank 1, a threading hole 104 is disposed on the side wall of the humidification tank 1, and a threading slot is disposed between the first hall element 151, the second hall element 152, and the third hall element 153 and the threading hole 104, the wire is connected with the circuit board 8, the first hall element 151, the second hall element 152 and the third hall element 153 through the wire arranging groove and the threading hole 104, and the wire arranging groove is sealed through a wire groove cover 11. According to the size of the humidification tank body 1 and the distance between the three Hall elements, the structure can be simplified into one Hall element.
The invention also provides a control method of the humidifier of the breathing machine, which comprises the following steps: the water level detection device of the humidifier detects the water level of the sterilization injection water in the humidification tank body 1; when a low water level is detected, the circuit board 8 of the humidifier controls the pinch valve 2 to be communicated with a silicone tube, and the silicone tube injects water into the humidification tank body 1 through a water injection tube 103; when a high water level is detected, the circuit board 8 controls the pinch valve 2 to pinch off the silicone tube to stop water injection.
When a low water level is detected, the circuit board 8 of the humidifier controls the pinch valve 2 to be communicated with the silicone tube, the silicone tube injects water into the humidification tank body through the water injection tube 103, and the sterilization injection water in the humidification tank body 1 can be rapidly supplemented because the water injection speed is far higher than the sterilization injection water consumption speed in the humidification tank body 1. When the sterilization injection water in the infusion bottle is exhausted and is not replaced in time, although the water level detection device detects a low water level, the circuit board 8 controls the pinch valve 2 to be communicated with the silicone tube, the water level in the humidification tank body 1 continuously drops to an alarm water level, and the circuit board 8 controls the buzzer 7 to give an alarm to remind medical staff of replacing the infusion bottle.
In summary, in an embodiment of the present invention, a humidifier of a ventilator and a control method thereof are provided, in which the humidifier includes: humidifying jar body, pinch valve, silicone tube, sealed lid, heater, bee calling organ, circuit board, end cover and water level detection device, humidifying jar body one end is provided with water injection pipe, intake pipe and blast pipe, the pinch valve sets up the humidifying jar body is close to water injection pipe one end, the centre gripping is in on the chuck of pinch valve the silicone tube is connected the water injection pipe, the humidifying jar body other end is provided with the end cover, the inboard interval of end cover is provided with sealed lid, the heater sets up sealed lid is close to end cover one side, water level detection device sets up sealed lid is kept away from end cover one side, bee calling organ with the circuit board sets up the end cover is inboard, bee calling organ pinch valve and water level detection device with the circuit board passes through the wire and connects. When a low water level is detected, the circuit board of the humidifier controls the pinch valve to be communicated with the silicone tube, the silicone tube injects water into the humidification tank body through the water injection tube, and when a high water level is detected, the circuit board controls the pinch valve to pinch off the silicone tube to stop injecting water. The control method of the humidifier comprises the following steps: providing a humidifier; the water level detection device of the humidifier detects the water level of the sterilization injection water in the humidification tank body; when a low water level is detected, the circuit board of the humidifier controls the pinch valve to be communicated with the silicone tube, the silicone tube injects water into the humidification tank body through the water injection tube, and when a high water level is detected, the circuit board controls the pinch valve to pinch off the silicone tube to stop injecting water.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A humidifier for a ventilator, comprising: humidifying jar body, pinch valve, silicone tube, sealed lid, heater, bee calling organ, circuit board, end cover and water level detection device, humidifying jar body one end is provided with water injection pipe, intake pipe and blast pipe, the pinch valve sets up the humidifying jar body is close to water injection pipe one end, the centre gripping is in on the chuck of pinch valve the silicone tube is connected the water injection pipe, the humidifying jar body other end is provided with the end cover, the inboard interval of end cover is provided with sealed lid, the heater sets up sealed lid is close to end cover one side, water level detection device sets up sealed lid is kept away from end cover one side, bee calling organ with the circuit board sets up the end cover is inboard, bee calling organ pinch valve and water level detection device with the circuit board passes through the wire and connects.
2. The humidifier of breathing machine as claimed in claim 1, wherein one end of the silicone tube away from the water injection tube is connected with a multi-way tube connector, and the multi-way tube connector is used for connecting infusion tubes of a plurality of infusion bottles.
3. The humidifier of a respirator according to claim 1, wherein a jacket is sleeved between a valve body and a chuck of the pinch valve, the valve body is arranged in a counter bore at one end of the humidification tank, and the jacket is fixedly connected with the humidification tank to fix the pinch valve.
4. The humidifier of a breathing machine as claimed in claim 3, wherein the jacket is adhesively connected with the humidification tank, or the jacket is provided with mounting holes for mounting screws, and the jacket is fixedly connected with the humidification tank through screws.
5. The humidifier for a respirator according to claim 1, wherein a heat insulating plate is disposed between the circuit board and the heater.
6. The humidifier of a breathing machine as claimed in claim 1, wherein the water level detection device comprises a pressure sensor, the pressure sensor is arranged on the inner wall of the humidifying tank, a threading hole is arranged on the side wall of the humidifying tank, a threading slot is arranged on the outer wall of the humidifying tank between the threading hole and the pressure sensor, and the wire passes through the threading slot and is connected with the pressure sensor and the circuit board.
7. The humidifier of a respirator according to claim 1, wherein the water level detection means comprises a float, a bracket, a magnet, a first Hall element, a second Hall element, and a third Hall element, the bracket is arranged along the axis direction of the humidification tank body, the floater is sleeved on the bracket, the magnet is arranged in the floater, the first Hall element, the second Hall element and the third Hall element are arranged on the side wall of the humidification tank body at intervals along the axial direction of the humidification tank body, the side wall of the humidifying tank body is provided with a threading hole, a wire arranging groove is arranged between the first Hall element, the second Hall element and the third Hall element and the threading hole, the wire passes through the wire arrangement groove and the threading hole is connected the circuit board with first hall element, second hall element and third hall element.
8. The humidifier of a respirator according to claim 6 or 7, wherein the wire management groove is sealed by a wire groove cover.
9. A control method of a humidifier of a breathing machine is characterized by comprising the following steps:
providing a humidifier;
the water level detection device of the humidifier detects the water level of the sterilization injection water in the humidification tank body;
when a low water level is detected, the circuit board of the humidifier controls the pinch valve to be communicated with the silicone tube, the silicone tube injects water into the humidification tank body through the water injection tube, and when a high water level is detected, the circuit board controls the pinch valve to pinch off the silicone tube to stop injecting water.
10. The method for controlling the humidifier of a respirator according to claim 9, wherein when a low water level is detected, the circuit board controls the pinch valve to be communicated with the silicone tube, and when the water level continues to drop to a warning water level, the circuit board controls a buzzer to give an alarm to remind a user to replace an infusion bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800534.5A CN110604858A (en) | 2019-08-28 | 2019-08-28 | Humidifier of breathing machine and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800534.5A CN110604858A (en) | 2019-08-28 | 2019-08-28 | Humidifier of breathing machine and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110604858A true CN110604858A (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910800534.5A Pending CN110604858A (en) | 2019-08-28 | 2019-08-28 | Humidifier of breathing machine and control method thereof |
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| CN (1) | CN110604858A (en) |
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Application publication date: 20191224 |