CN213312735U

CN213312735U - Humidifier for breathing machine

Info

Publication number: CN213312735U
Application number: CN202021616037.4U
Authority: CN
Inventors: 张峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-06-01
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a humidifier for a respirator, which comprises a humidifier shell and a cover body in threaded connection with the humidifier shell, wherein a porous air duct array is arranged in the humidifier shell; the porous air duct array is communicated with an air inlet of the humidifier shell through an air duct; the bottom of the humidifier shell is provided with a heating sheet; the humidifier also comprises an annular sliding plate which is arranged on the inner wall of the humidifier shell in a sliding manner; the lower part of the annular sliding plate is provided with a plurality of floats; a pressure sensor and a gravity sensor are respectively arranged above and below the annular sliding plate on the inner wall of the humidifier shell; the humidifier shell is provided with a controller; the heating plate, the pressure sensor and the gravity sensor are all electrically connected with the controller. The humidifier enables the gas to be fully contacted and wetted with the water vapor; but also can carry out effective monitoring to the water level in the humidifier.

Description

Humidifier for breathing machine

Technical Field

The utility model relates to the field of medical equipment, concretely relates to humidifier for breathing machine.

Background

Airway humidification plays an important role in artificial airway care, and is particularly important for patients using a ventilator, and most of the existing ventilators are provided with humidifier devices. The humidifier device allows a user to inhale breathable gas having a certain humidity, thereby being more comfortable. The existing humidifier cannot fully contact air and water vapor, is not fully wetted, and cannot effectively monitor the water level in the humidifier, so that the humidifier is inconvenient to use.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: aiming at the defects in the prior art, the humidifier for the respirator is provided, and the humidifier enables gas to be fully contacted and wetted with water vapor; but also can carry out effective monitoring to the water level in the humidifier.

In order to solve the technical problem, the technical scheme of the utility model is that:

a humidifier for a respirator comprises a humidifier shell and a cover body in threaded connection with the humidifier shell, wherein a porous air duct array is arranged in the humidifier shell; the porous air duct array is communicated with an air inlet of the humidifier shell through an air inlet cavity; the bottom of the humidifier shell is provided with a heating sheet;

the humidifier also comprises an annular sliding plate which is arranged on the inner wall of the humidifier shell in a sliding manner; the lower part of the annular sliding plate is provided with at least one floater; a pressure sensor and a gravity sensor are respectively arranged above and below the annular sliding plate on the inner wall of the humidifier shell; the humidifier shell is provided with a controller; the heating plate, the pressure sensor and the gravity sensor are all electrically connected with the controller.

Preferably, in the above technical solution, the porous airway tube array is a porous hollow hydrophilic fiber array.

Preferably, in the above technical solution, the float includes a support rod connected to the annular sliding plate and a float ball connected to the support rod.

Preferably, in the above-described aspect, at least one of the floats is provided on the annular slide plate at equal intervals.

As a preferable mode of the above technical solution, the number of the floats is two; the two floats are symmetrically arranged on the annular sliding plate.

Preferably, the cover body is further provided with an air outlet.

Since the technical scheme is used, the beneficial effects of the utility model are that:

the utility model provides a humidifier for a respirator, a porous air duct array communicated with an air inlet is arranged in a humidifier shell; the water in the humidifier is vaporized under the action of the heating sheet to generate water vapor, and the air entering from the air inlet of the humidifier is fully contacted with the water vapor through the porous air guide pipe array for wetting and is discharged from the air outlet. An annular sliding plate is arranged on the inner wall of the humidifier shell in a sliding manner; the lower part of the annular sliding plate is provided with a floater; and a pressure sensor and a gravity sensor are respectively arranged above and below the annular sliding plate on the inner wall of the humidifier shell. When water is added into the humidifier, the floating ball moves upwards along with the rise of the water level in the humidifier, so that the annular sliding plate is pushed to slide upwards along the inner wall of the humidifier shell; when the annular sliding plate contacts the pressure sensor, the pressure sensor sends a signal to the controller, and at the moment, water adding is stopped; when the humidifier works, the water level in the humidifier is reduced along with the extension of the working time; the floater also can move down to drive the annular sliding plate to slide down along the inner wall of the humidifier shell, when the annular sliding plate contacts the gravity sensor, the gravity sensor can send a signal to the controller, and water should be added at the moment in time.

The utility model provides a pair of humidifier for breathing machine, porous air duct array are porous cavity hydrophilic fiber array. When the humidifier is used, water drops can appear in the humidifier, and the water drops fall on the surface of the porous hollow hydrophilic fiber array to form a thin water layer which can be taken away by air from the porous hollow fiber array in time; water droplets are prevented from affecting the surface area of the porous hydrophilic fiber array. The humidifier for the respirator provided by the utility model can fully contact and wet the gas with the vapor; but also can carry out effective monitoring to the water level in the humidifier.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the present invention;

in the drawings, 1. a humidifier housing; 2. a cover body; 3. a porous array of airway tubes; 4. an air inlet cavity; 5. an air inlet; 6. a heating plate; 7. an annular sliding plate; 8. a float; 801. a support bar; 802. a floating ball; 9. a pressure sensor; 10. a gravity sensor; 11. a controller; 12. and an air outlet.

Detailed Description

The invention is further explained below with reference to the drawings and examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Example one

As shown in fig. 1, a humidifier for a breathing apparatus comprises a humidifier housing 1 and a cover 2 in threaded connection with the humidifier housing 1, wherein a porous gas-guide tube array 3 is arranged in the humidifier housing 1; the porous air duct array 3 is communicated with an air inlet 5 of the humidifier shell 1 through an air inlet cavity 4; the bottom of the humidifier shell 1 is provided with a heating sheet 6; the water in the humidifier is vaporized under the action of the heating sheet to generate water vapor, and the air entering from the air inlet of the humidifier is fully contacted with the water vapor through the porous air guide pipe array for wetting and is discharged from the air outlet.

The humidifier also comprises an annular sliding plate 7 which is arranged on the inner wall of the humidifier shell 1 in a sliding mode; the lower part of the annular sliding plate 7 is symmetrically provided with two floats 8; the float 8 comprises a support rod 801 connected with the annular sliding plate 7 and a floating ball 802 connected with the support rod 801; a pressure sensor 9 and a gravity sensor 10 are respectively arranged on the upper part and the lower part of the annular sliding plate 7 on the inner wall of the humidifier shell 1; the humidifier shell 1 is provided with a controller 11; the heating plate 6, the pressure sensor 9 and the gravity sensor 10 are all electrically connected with the controller 11. The cover 2 is also provided with an air outlet 12. When water is added into the humidifier, the floating ball moves upwards along with the rise of the water level in the humidifier, so that the annular sliding plate is pushed to slide upwards along the inner wall of the humidifier shell; when the annular sliding plate contacts the pressure sensor, the pressure sensor sends a signal to the controller, and at the moment, water adding is stopped; when the humidifier works, the water level in the humidifier is reduced along with the extension of the working time; the floater also can move down to drive the annular sliding plate to slide down along the inner wall of the humidifier shell, when the annular sliding plate contacts the gravity sensor, the gravity sensor can send a signal to the controller, and water should be added at the moment in time.

In this embodiment, the porous airway array 3 is a porous hollow hydrophilic fiber array. In the using process of the interior of the humidifier, water drops can appear on the upper portion of the humidifier, and the water drops fall on the surface of the porous hollow hydrophilic fiber array to form a thin water layer which can be taken away by air coming out of the porous hollow fiber array in time. The number of the floats 8 is two; the two floats 8 are symmetrically arranged on the annular slide plate 7.

Example two

The second embodiment is different from the first embodiment in that: the number of floats is different. Only the differences are explained in detail below:

as shown in fig. 2, the number of the floats 8 is three, and three of the floats 8 are provided at equal intervals on the annular sliding plate 7.

The first embodiment and the second embodiment provide the same principle of the humidifier for breathing machine, and the following description of the working principle of the humidifier for breathing machine provided by the present invention is as follows:

when the humidifier works, air enters from the air inlet of the humidifier and enters the porous air guide pipe array through the air pipe, is discharged through the micropores on the surface of the porous air guide pipe array, is mixed with water vapor in the humidifier for wetting, and is discharged from the air outlet; the purpose of humidifying the air is achieved. When water is added into the humidifier, the floating ball moves upwards along with the rise of the water level in the humidifier, so that the annular sliding plate is pushed to slide upwards along the inner wall of the humidifier shell; when the annular sliding plate contacts the pressure sensor, the pressure sensor sends a signal to the controller, and at the moment, water adding is stopped; when the humidifier works, the water level in the humidifier is reduced along with the extension of the working time; the floater also can move down to drive the annular sliding plate to slide down along the inner wall of the humidifier shell, when the annular sliding plate contacts the gravity sensor, the gravity sensor can send a signal to the controller, and water should be added at the moment in time.

Claims

1. The utility model provides a humidifier for breathing machine, including humidifier casing and with humidifier casing threaded connection's lid, its characterized in that: a porous air duct array is arranged in the humidifier shell; the porous air duct array is communicated with an air inlet of the humidifier shell through an air inlet cavity; the bottom of the humidifier shell is provided with a heating sheet;

2. A humidifier for a respirator as defined in claim 1, wherein: the porous air duct array is a porous hollow hydrophilic fiber array.

3. A humidifier for a respirator as defined in claim 1, wherein: the float comprises a support rod connected with the annular sliding plate and a floating ball connected with the support rod.

4. A humidifier for a respirator as defined in claim 1, wherein: at least one of the floats is disposed on the annular sliding plate at equal intervals.

5. A humidifier for a respirator as defined in claim 1, wherein: the number of the floaters is two; the two floats are symmetrically arranged on the annular sliding plate.

6. A humidifier for a respirator as defined in claim 1, wherein: the cover body is also provided with an air outlet.