CN219501758U - Intelligent anesthesia machine based on differential pressure type flow sensor - Google Patents

Abstract

The utility model discloses an intelligent anesthesia machine based on a differential pressure type flow sensor, which belongs to the technical field of anesthesia machines and comprises the following components: base, differential flow sensor and regulation box, the top fixed mounting of base has the backup pad, and the top fixed mounting of backup pad has the anesthesia evaporation jar, and the equal UNICOM in one side that regulation box and anesthesia evaporation jar are close to each other has the trachea, and two trachea are linked together with differential flow sensor's output and input respectively, and the regulation box internal fixation has two baffles, and sliding seal installs the valve plate between two baffles, the right side fixedly connected with diaphragm of valve plate, the screw hole has been seted up at the top of diaphragm, the top rotation of regulation box is connected with the screw rod. According to the utility model, through the mutual coordination among the valve plate, the transverse plate, the screw rod, the rotating plate, the square plate and the positioning rod, the accurate control of the anesthetic gas flow is conveniently realized, so that the use requirement is met.

Description

Intelligent anesthesia machine based on differential pressure type flow sensor

Technical Field

The utility model relates to the technical field of anesthesia machines, in particular to an intelligent anesthesia machine based on a differential pressure type flow sensor.

Background

The anesthetic machine sends anesthetic into alveoli of a patient through a mechanical loop to form partial pressure of anesthetic gas, and after the partial pressure of the anesthetic gas is dispersed into blood, the anesthetic machine directly inhibits a central nervous system, so that the effect of general anesthesia is generated. The differential pressure flow sensor in the anesthesia machine is an important device for monitoring the working condition of the anesthesia machine.

Patent document publication No. 201110332288.9 discloses an anesthesia machine and a flowmeter thereof, comprising: a plurality of gas passages; each gas channel comprises a gas inlet, a gas outlet and a regulating valve, and the gas inlet is connected with the gas outlet through the regulating valve; the regulator valve includes a housing including an interior cavity, the housing including a first end and a second end; the first end is provided with a through hole, and the second end is provided with an inlet, an outlet and a valve port; the regulating valve further comprises a valve rod, wherein the first end of the valve rod is arranged in the inner cavity of the shell, and the second end of the valve rod passes through the through hole on the first end of the shell and is exposed out of the shell; the valve rod is in threaded connection with the inner cavity; the valve rod is provided with a first limit part and a second limit part along the longitudinal direction of the valve rod respectively; the shell is provided with a limiting part positioned between the first limiting part and the second limiting part; the second end of the valve rod is adjustably arranged relative to the valve port between a blocking position or an opening position of the regulating valve, and the flow can be controlled through threads between the valve rod and the inner cavity of the shell in the patent document, but due to the lack of a locking structure, accurate control is difficult to realize, and errors are easy to occur; therefore, we propose an intelligent anesthesia machine based on differential pressure type flow sensor to solve this problem.

Disclosure of Invention

The utility model aims to provide an intelligent anesthesia machine based on a differential pressure type flow sensor, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an intelligent anesthesia machine based on differential pressure flow sensor, comprising: the device comprises a base, a differential pressure flow sensor and an adjusting box, wherein a supporting plate is fixedly arranged at the top of the base, an anesthetic evaporation tank is fixedly arranged at the top of the supporting plate, air pipes are respectively communicated with one side, close to each other, of the adjusting box and the anesthetic evaporation tank, the two air pipes are respectively communicated with the output end and the input end of the differential pressure flow sensor, two partition plates are fixedly arranged in the adjusting box, a valve plate is slidably and hermetically arranged between the two partition plates, a transverse plate is fixedly connected to the right side of the valve plate, a threaded hole is formed in the top of the transverse plate, a screw rod is rotatably connected to the top of the adjusting box, the screw rod is in threaded connection with a threaded hole, a rotating plate is fixedly connected to the top of the screw rod, a square groove is formed in the bottom of the rotating plate, a plurality of positioning grooves are formed in the bottom of the square groove in a fixedly arranged mode, the top of the adjusting box is movably clamped in the corresponding positioning grooves, a delivery pipe is communicated with the other side of the adjusting box, and a breathing mask is communicated with the right end of the delivery pipe.

Preferably, the top of the square plate is fixedly connected with a pressure spring and a pull rod, and the top end of the pressure spring is fixedly connected to the top inner wall of the square groove.

Preferably, a guide plate is fixedly arranged at the top of the left side of the valve plate, a guide rod is fixedly arranged on the inner wall of the top of the adjusting box, and the guide plate is sleeved on the outer side of the guide rod in a sliding manner.

Preferably, the bottom both sides of adjusting the box are all fixedly connected with bracing piece, and the bottom of two bracing pieces is all fixedly connected with at the top of base.

Preferably, the right side of the differential pressure type flow sensor is fixedly connected with a mounting rod, and the right end of the mounting rod is fixedly connected to the left side of the adjusting box.

Preferably, the outside of screw rod is fixed to be cup jointed spacing axle sleeve, spacing axle sleeve and the top inner wall activity butt of adjusting the box.

Preferably, the top of the breathing mask is communicated with an air breathing pipe, and a one-way valve is arranged on the air breathing pipe.

According to the intelligent anesthesia machine based on the differential pressure type flow sensor, the square plate and the positioning rod are driven to move upwards through the upward pulling of the pull rod, so that the positioning rod is separated from the positioning groove, then the rotating plate drives the screw rod to rotate, the screw rod drives the valve plate to vertically move through the transmission of the screw thread of the screw hole and the guide of the guide rod, so that gaps between the valve plate and the inner wall of the bottom of the adjusting box are adjusted, the anesthetic gas flow is controlled, after the adjustment is finished, the square plate is reset to move downwards under the action of the elastic force of the pressure spring through loosening of the pull rod, the positioning rod is driven to move downwards, the positioning rod is clamped into the corresponding positioning groove, the rotating plate is locked, and the vertical movement of the valve plate is locked, so that the accuracy of anesthetic gas flow control is improved;

according to the intelligent anesthesia machine based on the differential pressure type flow sensor, anesthetic gas generated in the anesthesia evaporation tank is guided into the adjusting box through the air pipe, the differential pressure type flow sensor monitors flow, and the anesthetic gas is guided into the breathing mask through the delivery pipe so as to be used;

the utility model has reasonable structural design, and the accurate control of the anesthetic gas flow is conveniently realized through the mutual coordination among the valve plate, the transverse plate, the screw rod, the rotating plate, the square plate and the positioning rod, so as to meet the use requirement.

Drawings

FIG. 1 is a schematic perspective view of an intelligent anesthesia machine based on a differential pressure type flow sensor according to the present utility model;

FIG. 2 is a schematic cross-sectional view of an intelligent anesthesia machine based on a differential pressure flow sensor according to the present utility model;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a partial enlarged view of a portion B in fig. 3.

In the figure: 1. a base; 2. an adjustment box; 201. a positioning groove; 3. a differential pressure type flow sensor; 4. an anesthetic evaporation tank; 5. a rotating plate; 501. a square groove; 6. a delivery tube; 7. a respiratory mask; 8. an exhalation tube; 9. a partition plate; 10. a valve plate; 11. a cross plate; 12. a guide plate; 13. a screw; 14. a guide rod; 15. a positioning rod; 16. a square plate; 17. a pull rod; 18. a compression spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an intelligent anesthesia machine based on a differential pressure type flow sensor, comprising: base 1, differential flow sensor 3 and regulation box 2, the top fixed mounting of base 1 has the backup pad, the top fixed mounting of backup pad has anesthesia evaporation jar 4, the one side that regulation box 2 and anesthesia evaporation jar 4 are close to each other all UNICOM has the trachea, two trachea are linked together with differential flow sensor 3's output and input respectively, and fixed mounting has two baffles 9 in the regulation box 2, sliding seal installs valve plate 10 between two baffles 9, the right side fixedly connected with diaphragm 11 of valve plate 10, threaded hole has been seted up at the top of diaphragm 11, the top rotation of regulation box 2 is connected with screw rod 13, screw rod 13 threaded connection is at threaded hole, and the top fixedly connected with revolving plate 5 of screw rod 13, square groove 501 has been seted up to the bottom of revolving plate 5, sliding mounting has square plate 16's bottom fixed mounting has locating lever 15 in the square groove 501, a plurality of locating levers 201 have been seted up at the top of regulation box, locating lever 15 movable joint is in corresponding locating groove 201, the opposite side intercommunication of regulation box 2 has delivery tube 6, the right-hand member intercommunication has breathing mask 7.

In this embodiment, the top of the square plate 16 is fixedly connected with a compression spring 18 and a pull rod 17, so that the square plate 16 is pulled to move, the top end of the compression spring 18 is fixedly connected to the top inner wall of the square groove 501, and the square plate 16 is reset.

In this embodiment, a guide plate 12 is fixedly mounted on the top of the left side of the valve plate 10, a guide rod 14 is fixedly mounted on the inner wall of the top of the adjusting box 2, and the guide plate 12 is slidably sleeved on the outer side of the guide rod 14 to guide the vertical movement of the valve plate 10.

In this embodiment, the equal fixedly connected with bracing piece in bottom both sides of adjusting box 2, the equal fixed connection in bottom of two bracing pieces supports adjusting box 2 at the top of base 1, and differential pressure type flow sensor 3's right side fixedly connected with installation pole, the right-hand member fixed connection of installation pole promotes differential pressure type flow sensor 3's installation stability in the left side of adjusting box 2.

In this embodiment, the outside of screw 13 has fixedly cup jointed spacing axle sleeve, spacing axle sleeve and the top inner wall activity butt of adjusting box 2, carries out spacingly to screw 13.

In this embodiment, the top of respirator 7 communicates there is expiration pipe 8, is provided with the check valve on the expiration pipe 8, is convenient for the expiration of respirator 7.

In this embodiment, when in use, the pull rod 17 is pulled upwards to drive the square plate 16 and the positioning rod 15 to move upwards, so that the positioning rod 15 is separated from the positioning groove 201, then the rotating plate 5 is rotated to drive the screw 13 to rotate, the screw 13 drives the valve plate 10 to move vertically through the transmission of the screw thread of the screw hole and under the guide of the guide rod 14, thereby adjusting the gap between the valve plate 10 and the inner wall of the bottom of the adjusting box 2, so as to realize the control of the anesthetic gas flow, after the adjustment is completed, the pull rod 17 is released, so that the square plate 16 is reset to move downwards under the elastic force of the pressure spring 18, and the positioning rod 15 is driven to move downwards, so that the positioning rod 15 is clamped into the corresponding positioning groove 201, the rotating plate 5 is locked, thereby locking the vertical movement of the valve plate 10, so as to improve the accuracy of the control of the anesthetic gas flow, the anesthetic gas generated in the anesthetic evaporation tank 4 is guided into the adjusting box 2 through the air pipe, the differential pressure flow sensor 3 monitors the flow, and the anesthetic gas is guided into the breathing mask 7 through the delivery pipe 6, so as to use.

The intelligent anesthesia machine based on the differential pressure type flow sensor provided by the utility model is described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (7)

1. An intelligent anesthesia machine based on differential pressure flow sensor, characterized by comprising: base (1), differential pressure flow sensor (3) and regulating box (2), the top fixed mounting of base (1) has the backup pad, and the top fixed mounting of backup pad has anesthesia evaporation tank (4), and one side that regulating box (2) and anesthesia evaporation tank (4) are close to each other all UNICOM has the trachea, and two trachea are linked together with the output and the input of differential pressure flow sensor (3) respectively, and regulating box (2) internally fixed mounting has two baffles (9), sliding seal installs valve plate (10) between two baffles (9), the right side fixedly connected with diaphragm (11) of valve plate (10), the screw hole has been seted up at the top of diaphragm (11), the top rotation of regulating box (2) is connected with screw rod (13), screw rod (13) threaded connection is at threaded hole, and the top fixedly connected with revolving plate (5) of screw rod (13), square groove (501) have been seted up to the bottom of revolving plate (5), square groove (16) are slided and square plate (16) are fixed mounting has locating lever (15), the right side fixedly connected with diaphragm (11) at the top of regulating box (10), the guide bar (201) is connected with in the locating slot (201), the right end of the delivery pipe (6) is communicated with a breathing mask (7).

2. The intelligent anesthesia machine based on the differential pressure flow sensor according to claim 1, characterized in that the top of the square plate (16) is fixedly connected with a compression spring (18) and a pull rod (17), and the top end of the compression spring (18) is fixedly connected to the top inner wall of the square groove (501).

3. The intelligent anesthesia machine based on the differential pressure flow sensor according to claim 1, characterized in that a guide plate (12) is fixedly installed at the top of the left side of the valve plate (10), a guide rod (14) is fixedly installed on the inner wall of the top of the adjusting box (2), and the guide plate (12) is in sliding sleeve connection with the outer side of the guide rod (14).

4. The intelligent anesthesia machine based on the differential pressure type flow sensor according to claim 1, wherein the two sides of the bottom of the adjusting box (2) are fixedly connected with supporting rods, and the bottom ends of the two supporting rods are fixedly connected to the top of the base (1).

5. The intelligent anesthesia machine based on the differential pressure flow sensor according to claim 1, wherein the right side of the differential pressure flow sensor (3) is fixedly connected with a mounting rod, and the right end of the mounting rod is fixedly connected to the left side of the adjusting box (2).

6. The intelligent anesthesia machine based on the differential pressure type flow sensor according to claim 1 is characterized in that a limiting shaft sleeve is fixedly sleeved on the outer side of the screw rod (13), and the limiting shaft sleeve is movably abutted with the top inner wall of the adjusting box (2).

7. The intelligent anesthesia machine based on the differential pressure type flow sensor according to claim 1, wherein the top of the breathing mask (7) is communicated with an expiration tube (8), and a one-way valve is arranged on the expiration tube (8).