Humidity and temperature control system of breathing machine

Abstract

The invention discloses a humidity and temperature control system of a breathing machine. The system comprises an operation table, the breathing machine, a mounting frame, a humidifying tank and a liquid discharging tank; a first opening, a second opening and a third opening are respectively formed in the upper end of the humidifying tank; the lower liquid tank is connected with a flow valve; a motor is arranged at the outer end of the upper portion of the humidifying tank, the output end of the motor penetrates into the humidifying tank to be connected with a rotating plate, and the front end of the rotating plate is connected with an abutting rod. A V-shaped rail is arranged at the upper end of the interior of the humidifying tank and matched with the abutting rod; a connecting plate is arranged at the lower end of the abutting rod, the other end of the connecting plate is connected with a blocking column, and the blocking column is matched with the first opening or the second opening. A first spring surrounding the outer side of the abutting rod is arranged between the connecting plate and the rotating plate. Humidification control over the breathing machine can be achieved, and the breathing machine has the advantages of being simple and convenient to use and relieving the work intensity of medical workers.

Description

Technical Field

[0001] The invention relates to a humidity and temperature control system of a ventilator, belonging to the technical field of medical treatment. Background Art

[0002] In the ICU, ventilators, as an effective means of artificially replacing spontaneous breathing functions, have been widely used in respiratory failure caused by various reasons, respiratory support treatment and emergency resuscitation. Ventilators can not only prevent and treat respiratory failure, but also reduce the occurrence of complications, save patients' lives and prolong their survival time, becoming an indispensable and important medical device in modern medicine.

[0003] However, the ventilator in the prior art has certain limitations when supplying liquid to the humidification tank. Specifically, when the lower liquid tank connected to the ventilator humidification tank is replenished with sterile water, medical staff must monitor the liquid level of the humidification tank in real time to ensure that there is no excessive or insufficient liquid addition. This process is time-consuming, usually taking 3 to 5 minutes, and greatly increases the workload of medical staff, especially in a busy ICU environment, which may lead to a decrease in work efficiency. Therefore, it is necessary to develop relevant equipment to solve this problem. Summary of the invention

[0004] The purpose of the present invention is to provide a humidity and temperature control system for a ventilator. The present invention can realize humidification control of the ventilator, has the advantages of being simple and convenient, and reducing the workload of medical staff.

[0005] The technical solution of the present invention: a humidity and temperature control system of a ventilator, comprising an operating table, on which a ventilator is placed; a mounting frame is fixedly connected to the side of the operating table, a humidification tank is placed at the front end of the mounting frame, and the upper end of the humidification tank is respectively provided with a first port, a second port and a third port, the first port is connected to the ventilator; a lower liquid tank is placed on the upper part of the mounting frame, the lower liquid tank is connected with a flow valve, and the other end of the flow valve is connected with the second port; it is characterized in that: a motor is provided at the upper outer end of the humidification tank, the output end of the motor passes through the interior of the humidification tank and is connected to a rotating plate, and a resistance rod is connected to the front end of the rotating plate; a V-shaped track is provided at the upper end of the interior of the humidification tank, and the V-shaped track cooperates with the resistance rod; a connecting plate is provided at the lower end of the resistance rod, and the other end of the connecting plate is connected to a blocking column, which cooperates with the first port or the second port; a first spring surrounding the outer side of the resistance rod is provided between the connecting plate and the rotating plate.

[0006] The humidity and temperature control system of the above-mentioned ventilator is characterized in that an embracing frame is provided on the upper part of the mounting frame, a first opening is provided on the upper part of the embracing frame, and a second opening is provided on the lower part of the embracing frame; the lower liquid tank is placed in the embracing frame; the embracing frame includes a circular ring frame, a frustum lower frame is connected to the lower end of the circular ring frame, and the frustum lower frame is larger at the upper part and smaller at the lower part; a plurality of hollow grooves are provided on the side of the frustum lower frame.

[0007] The humidity and temperature control system of the aforementioned ventilator, the ventilator is connected to a first pipe, the other end of the first pipe is connected to the first port; the lower end of the lower liquid tank is connected to a second pipe, the other end of the second pipe is connected to the flow valve; the third port is connected to a third pipe, the other end of the third pipe is connected to an external device.

[0008] The humidity and temperature control system of the aforementioned ventilator has a heating coil disposed in the center of the humidification tank; and a liquid level sensor disposed at the bottom of the inner end of the humidification tank.

[0009] In the aforementioned humidity and temperature control system of the ventilator, the connecting plate is an elastic plate or a telescopic plate. In the aforementioned humidity and temperature control system of the ventilator, a reset mechanism is provided between the connecting plate and the rotating plate.

[0010] In the aforementioned humidity and temperature control system of the ventilator, the reset mechanism includes side plates respectively arranged on both sides of the connecting plate and a mounting plate arranged at the lower end of the rotating plate; a second spring is connected between the side plate and the mounting plate.

[0011] The aforementioned humidity and temperature control system of the ventilator, the connecting plate includes a first plate and a second plate, the first plate and the second plate are slidably connected; the first plate is fixedly connected to the resistance rod; the second plate is fixedly connected to the blocking column.

[0012] The aforementioned humidity and temperature control system of the ventilator, the V-shaped track includes a low-section track and high-section tracks arranged on both sides of the low-section track, and an inclined track is connected between the high-section track and the low-section track; the high-section track is respectively located on the line connecting the rotation center of the rotating plate and the first port and the line connecting the rotation center of the rotating plate and the second port.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. In the present invention, the ventilator generates oxygen and sends it to the first port, then enters the humidification tank, humidifies the oxygen, and then sends it out from the third port; when the sterile liquid in the humidification tank is insufficient, it is necessary to remove the blocking column blocking the inner end of the second port, and the motor drives the rotating plate to rotate, and the rotating plate drives the resistance rod to move along the V-shaped track, and at the same time, under the action of the first spring, the upper end of the resistance rod is always in contact with the V-shaped track; then the rotating plate continues to rotate, so that the blocking column blocks the first port, preventing the ventilator from continuing to output oxygen into the humidification tank, and allowing the oxygen that is not fully humidified to be discharged; when the flow valve detects that the lower liquid tank adds an appropriate amount of sterile water to the humidification tank, such as 250ml, the flow valve will reduce the flow rate passing through, and at the same time, the motor reverses to separate the blocking column from the first port and extend into the second port, thereby stopping the addition of liquid. Therefore, the present invention effectively solves the problem of excessive or insufficient addition of liquid, does not require medical staff, thereby reducing the work intensity of medical staff, and has the advantages of strong practicality and simple operation.

[0015] 2. Furthermore, the present invention takes into account that when the blocking column is not separated from the first or second port and the rotating plate is rotating, the connecting plate will be adjusted by rotating and stretching. At this time, the second spring on one side of the reset mechanism stretches and the second spring on the other side contracts; when the contact rod moves to the lowest point of the V-shaped track to separate the blocking column from the first or second port, the elastic force of the second spring causes the connecting plate to return to the initial state, so that when the contact rod moves to the highest point on the other side of the V-shaped track, the blocking column can normally block the corresponding second or first port. In addition, the connecting plate of the present invention can also be made of elastic material to achieve better reset.

[0016] 3. In the present invention, the lower liquid tank is placed through the first opening of the surrounding frame and connected to the second pipe through the second opening, and the medical staff can check the amount of sterile water remaining in the lower liquid tank through the hollow groove. This solves the problem that the conventional lower liquid tank is placed by hooking, which leads to poor stability of the placed lower liquid tank and easy shaking.

[0017] 4. In the present invention, under the action of the first spring, the upper end of the interference rod is always in conflict with the V-shaped track. When the interference rod contacts the high section rail of the V-shaped track, the blocking column extends into the first or second opening, and then driven by the rotating plate, the blocking column moves from the high section rail to the low section rail, so that the interference rod moves downward and drives the blocking column to move downward, and the blocking column gradually separates from the first or second opening. When the interference rod moves to the low section rail, the blocking column is completely separated from the first or second opening. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 It is a structural schematic diagram of the other side of the present invention;

[0020] Figure 3 This is the appearance diagram of the humidification tank;

[0021] Figure 4 It is a schematic diagram of the structure of the rotating plate;

[0022] Figure 5 It is a schematic diagram of the internal structure of the humidification tank;

[0023] Figure 6 It is a structural diagram of the connecting plate.

[0024] The marks in the accompanying drawings are: 1-operating table, 2-ventilator, 3-mounting frame, 4-humidification tank, 5-first port, 6-second port, 7-third port, 8-lower liquid tank, 9-flow valve, 10-motor, 11-rotating plate, 12-resistance rod, 13-V-type track, 14-connecting plate, 15-blocking column, 16-first spring, 17-reset mechanism, 18-encircling frame, 19-first opening, 20-second opening, 21-circular ring frame, 22-truncated table lower frame, 23-hollow groove, 24-first pipeline, 25-second pipeline, 26-third pipeline, 27-heating ring, 28-liquid level sensor, 29-side plate, 30-mounting plate, 31-second spring, 32-first plate, 33-second plate, 34-low section rail, 35-high section rail, 36-inclined rail. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the accompanying drawings and embodiments, but they are not intended to limit the present invention.

[0026] Embodiment: A humidity and temperature control system for a ventilator, comprising: Figure 1-6 As shown, it includes an operating table 1, and there are multiple drawers under the operating table 1 for placing medical instruments; a ventilator 2 is placed on the operating table 1, and the ventilator 2 is a conventional medical device that can be obtained commercially and will not be described in detail here; a mounting frame 3 is fixedly connected to the side of the operating table 1, and the mounting frame 3 is made of stainless steel. A humidification tank 4 is placed at the front end of the mounting frame 3, as shown in FIG. Figure 3 As shown, the upper end of the humidification tank 4 is respectively provided with a first port 5, a second port 6 and a third port 7, the first port 5 is connected to a first pipe 24, and the other end of the first pipe 24 is connected to the ventilator 2; a lower liquid tank 8 is placed on the upper part of the mounting frame 3, and the lower end of the lower liquid tank 8 is connected to a second pipe 25, and the other end of the second pipe 25 is connected to a flow valve 9, and the other end of the flow valve 9 is connected to the second port 6; the flow valve 9 is used to detect the amount of liquid added, and when the amount of liquid added reaches a set value, the flow rate of sterile water passing through is reduced; the third port 7 is connected to a third pipe 26, and the other end of the third pipe 26 is connected to an external device; a motor 10 is provided at the outer end of the upper part of the humidification tank 4, and the output end of the motor 10 passes through the inside of the humidification tank 4 and is connected to a rotating plate 11, as shown Figure 6 As shown, the front end of the rotating plate 11 has a through hole, and the through hole is connected with a resisting rod 12, so that the resisting rod 12 can slide up and down or rotate in the through hole; Figure 4As shown, a V-shaped track 13 is provided at the upper end of the humidification tank 4, and the V-shaped track 13 cooperates with the abutment rod 12; a connecting plate 14 is provided at the lower end of the abutment rod 12, and a blocking column 15 is connected to the other end of the connecting plate 14, and the blocking column 15 cooperates with the first port 5 or the second port 6; the blocking column 15 is made of rubber material, which can better block the first port 5 or the second port 6, and is easier to separate from the first port 5 or the second port 6 due to its elasticity; a first spring 16 surrounding the outside of the abutment rod 12 is provided between the connecting plate 14 and the rotating plate 11; a reset mechanism 17 is provided between the connecting plate 14 and the rotating plate 11. Considering that the blocking column 15 extends into the first port 5 or the second port 6 and does not separate from it, and when the rotating plate 11 rotates, the connecting plate 14 will extend and rotate, so the connecting plate 14 can be an elastic plate or a telescopic plate. A heating coil 27 is provided in the center of the humidification tank 4, and the heating coil 27 heats the sterile water in the humidification tank 4 to achieve a temperature control effect; a liquid level sensor 28 is provided at the bottom of the inner end of the humidification tank 4, and the liquid level sensor 28 is used to detect the remaining amount of sterile water in the humidification tank 4.

[0027] Preferably, if Figure 1 and 2 As shown, the upper part of the mounting frame 3 is provided with an embracing frame 18, the upper part of the embracing frame 18 is provided with a first opening 19, and the lower part of the embracing frame 18 is provided with a second opening 20; the lower liquid tank 8 is placed in the embracing frame 18; the embracing frame 18 includes a circular ring frame 21, and the lower end of the circular ring frame 21 is connected to a truncated cone lower frame 22, which is larger at the top and smaller at the bottom; the side of the truncated cone lower frame 22 is provided with a plurality of hollow grooves 23. The lower liquid tank is put in from the first opening 19 of the embracing frame 18, and connected to the second pipe 25 through the second opening 20. Medical staff can check the amount of sterile water remaining in the lower liquid tank through the hollow grooves 23. This solves the problem that the conventional lower liquid tank is placed by hooking, which leads to poor stability of the lower liquid tank after placement and easy shaking.

[0028] Preferably, if Figure 6 As shown, the reset mechanism 17 includes side plates 29 respectively arranged on both sides of the connecting plate 14 and a mounting plate 30 arranged at the lower end of the rotating plate 11; a second spring 31 is connected between the side plates 29 and the mounting plate 30. When the rotating plate 11 is rotating but the blocking column 15 is not separated from the first port 5 or the second port 6, the connecting plate 14 will reversely rotate and extend, and the second spring 31 on one side will extend and the second spring 31 on the other side will contract; after the blocking column 15 is separated from the first port 5 or the second port 6, under the elastic reset action of the second spring 31, the connecting plate 14 retracts and rotates to reset, so that when the abutting rod 12 moves to the highest point on the other side of the V-shaped track 13, the blocking column 15 can normally block the corresponding second port 6 or the first port 5.

[0029] Preferably, if Figure 6 As shown, the connecting plate 14 is a telescopic plate; the connecting plate 14 includes a first plate 32 and a second plate 33, and the first plate 32 and the second plate 33 are slidably connected; the first plate 32 is fixedly connected to the interference rod 12; and the second plate 33 is fixedly connected to the blocking column 15.

[0030] Preferably, if Figure 5 As shown, the V-shaped track 13 includes a low-section track 34 and a high-section track 35 arranged on both sides of the low-section track 34, and an inclined track 36 is connected between the high-section track 35 and the low-section track 34; the high-section track 35 is respectively located on the connection line between the rotation center of the rotating plate 11 and the first opening 5 and the connection line between the rotation center of the rotating plate 11 and the second opening 6. When the interference rod 12 contacts the high-section track 35 of the V-shaped track 13, the blocking column 15 extends into the first opening 5 or the second opening 6, and then driven by the rotating plate 11, the blocking column 15 moves from the high-section track 35 to the low-section track 34, so that the interference rod 12 moves downward and drives the blocking column 15 to move downward, and the blocking column 15 gradually separates from the first opening 5 or the second opening 6. When the interference rod 12 moves to the low-section track 34, the blocking column 15 is completely separated from the first opening 5 or the second opening 6.

[0031] Working principle:

[0032] The oxygen generated by the ventilator 2 is sent to the first port 5 through the first pipe 24 and then enters the humidification tank 4, where the oxygen is humidified and then sent out from the third pipe 26 connected to the third port 7; when the sterile liquid in the humidification tank 4 is insufficient, the humidification tank 4 is filled with liquid through the lower liquid tank, and the blocking column 15 blocking the inner end of the second port 6 needs to be removed. At this time, the resistance rod 12 contacts the high section rail 35 of the V-shaped track 13, and the motor 10 drives the rotating plate 11 to rotate. The rotating plate 11 drives the resistance rod 12 to move along the V-shaped track 13 from the high section rail 35 to the low section rail 34, so that the resistance rod 12 moves downward and drives the blocking column 15 to move downward, and the blocking column 15 gradually separates from the second port 6. Under the action of the first spring 16, the upper end of the resistance rod 12 is always in contact with the V-shaped track 13; when the blocking column 15 is blocked, the resistance rod 12 is in contact with the V-shaped track 13. When the rotating plate 11 is rotating without being separated from the second port 6, the connecting plate 14 will be adjusted by rotating and stretching. When the resistance rod 12 moves to the lower rail 34 to separate the blocking column 15 from the second port 6, the connecting plate 14 returns to its initial state under the action of the reset mechanism 17. At this time, the sterile water in the lower liquid tank can flow normally into the humidification tank 4; then the rotating plate 11 continues to rotate, so that the blocking column 15 blocks the first port 5, preventing the ventilator 2 from continuing to output oxygen into the humidification tank 4, allowing the oxygen that is not sufficiently humidified to be discharged; when the flow valve 9 detects that the lower liquid tank adds an appropriate amount of sterile water (for example, 250 ml) into the humidification tank 4, the flow valve 9 will reduce the flow rate of sterile water, and at the same time, the motor 10 reverses to separate the blocking column 15 from the first port 5 and extend into the second port 6, thereby stopping the addition of liquid.

Claims

1. A humidity and temperature control system for a ventilator, comprising an operating table (1), on which a ventilator (2) is placed; a mounting frame (3) is fixedly connected to the side of the operating table (1), a humidification tank (4) is placed at the front end of the mounting frame (3), and the upper end of the humidification tank (4) is respectively provided with a first port (5), a second port (6) and a third port (7), and the first port (5) is connected to the ventilator (2); a lower liquid tank (8) is placed on the upper part of the mounting frame (3), and the lower liquid tank (8) is connected to a flow valve (9), and the other end of the flow valve (9) is connected to the second port (6); characterized in that: The upper outer end of the humidifying tank (4) is provided with a motor (10), the output end of the motor (10) passes through the interior of the humidifying tank (4) and is connected to a rotating plate (11), the front end of the rotating plate (11) is connected to a resistance rod (12); the upper inner end of the humidifying tank (4) is provided with a V-shaped track (13), the V-shaped track (13) matches with the resistance rod (12); the lower end of the resistance rod (12) is provided with a connecting plate (14), the other end of the connecting plate (14) is connected to a blocking column (15), the blocking column (15) matches with the first port (5) or the second port (6); a first spring (16) surrounding the outer side of the resistance rod (12) is provided between the connecting plate (14) and the rotating plate (11).

2. The humidity and temperature control system of a ventilator according to claim 1, characterized in that: The mounting frame (3) is provided with an embracing frame (18) at the upper part, the embracing frame (18) is provided with a first opening (19) at the upper part, and a second opening (20) at the lower part of the embracing frame (18); the lower liquid tank (8) is placed in the embracing frame (18); the embracing frame (18) comprises a circular ring frame (21), the lower end of the circular ring frame (21) is connected to a truncated cone lower frame (22), the truncated cone lower frame (22) is larger at the upper part and smaller at the lower part; the truncated cone lower frame (22) is provided with a plurality of hollow grooves (23) at the side.

3. The humidity and temperature control system of a ventilator according to claim 1, characterized in that: The ventilator (2) is connected to a first pipeline (24), the other end of which is connected to the first port (5); the lower end of the lower liquid tank (8) is connected to a second pipeline (25), the other end of which is connected to a flow valve (9); the third port (7) is connected to a third pipeline (26), the other end of which is connected to an external device.

4. The humidity and temperature control system for a ventilator according to claim 1, characterized in that: A heating ring (27) is provided at the center of the interior of the humidification tank (4); and a liquid level sensor (28) is provided at the bottom of the inner end of the humidification tank (4).

5. The humidity and temperature control system for a ventilator according to claim 1, characterized in that: The connecting plate (14) is an elastic plate or a telescopic plate.

6. The humidity and temperature control system of a ventilator according to claim 5, characterized in that: A reset mechanism (17) is provided between the connecting plate (14) and the rotating plate (11).

7. The humidity and temperature control system for a ventilator according to claim 6, characterized in that: The reset mechanism (17) comprises side plates (29) respectively arranged on both sides of the connecting plate (14) and a mounting plate (30) arranged at the lower end of the rotating plate (11); a second spring (31) is connected between the side plate (29) and the mounting plate (30).

8. The humidity and temperature control system for a ventilator according to claim 5, characterized in that: The connecting plate (14) comprises a first plate (32) and a second plate (33), wherein the first plate (32) and the second plate (33) are slidably connected; the first plate (32) is fixedly connected to the abutment rod (12); and the second plate (33) is fixedly connected to the blocking column (15).

9. The humidity and temperature control system for a ventilator according to claim 1, characterized in that: The V-shaped track (13) comprises a low rail section (34) and high rail sections (35) arranged on both sides of the low rail section (34), and an inclined rail (36) is connected between the high rail section (35) and the low rail section (34); the high rail section (35) is respectively located on a line connecting the rotation center of the rotating plate (11) and the first opening (5) and on a line connecting the rotation center of the rotating plate (11) and the second opening (6).

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