CN115662252A - Device for simulating human body breathing lung - Google Patents
Device for simulating human body breathing lung Download PDFInfo
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- CN115662252A CN115662252A CN202211256563.8A CN202211256563A CN115662252A CN 115662252 A CN115662252 A CN 115662252A CN 202211256563 A CN202211256563 A CN 202211256563A CN 115662252 A CN115662252 A CN 115662252A
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Abstract
The invention provides a device for simulating human respiratory lung, which comprises a servo motor, a speed reducer, a lower sensor bracket, a sliding plate, a proximity switch, a bushing, a sealing plate, a ball screw, a corrugated pipe, a guide shaft, an upper fixing plate, an air pipe joint, a screw support seat, an upper sensor bracket, a detection bolt, a screw support seat, a lower mounting plate, a support seat mounting plate and a coupler, wherein the lower sensor bracket is arranged on the lower sensor bracket; the servo motor moves to drive the ball screw to move, the ball screw drives the sliding plate to move on the guide shaft, the guide shaft enables the sliding plate to keep linear motion in the vertical direction, the guide shaft is provided with a lining, the lining reduces the gap and friction between the sliding plate and the guide shaft, the sliding plate moves up and down to drive the corrugated pipe to move up and down, the breathing process of the lung of a human body is simulated, and the breathing process of the lung can be directly observed. The device can realize shallow breathing, deep breathing and quiet breathing.
Description
Technical Field
The invention belongs to the technical field of breathing simulation, and particularly relates to a device for simulating human breathing lungs.
Background
With the spread of new coronavirus epidemics, more and more people have developed studies on respiratory virus transmission mechanisms. The virus transmission of respiratory diseases is mainly carried out by small liquid drops with different grain diameters exhaled in the respiratory process of a human body, and the small liquid drops wrap the virus for transmission, so that the design of a human body respiratory device is very important in the research process of the respiratory virus transmission mechanism of the human body.
The existing device adopts a cylinder type simulated lung, so that the change of the two lungs in the inspiration and expiration processes can not be clearly observed, and in the aspect of lung simulation control, some devices adopt an air pump air suction and inflation mode to simulate the air suction and discharge of the lungs, so that the breathing tidal volume of the simulated lung can not be accurately controlled.
The tidal volume of the breathing of the human body cannot be accurately controlled, and the change of the two lungs cannot be clearly observed, so that a device for simulating the breathing of the human body to the lung is provided to solve the problem.
Disclosure of Invention
The invention aims to: aiming at the defects of the prior art, the device for simulating the breathing of the lung of the human body is provided, has good controllability, high operation efficiency and strong reliability, can directly observe the breathing process change of the lung of the human body, and meets the requirements of an experimental device for the true breathing of the human body.
In order to achieve the purpose, the invention adopts the following technical scheme:
a device for simulating human respiratory lung comprises a servo motor 1, a speed reducer 2, a lower sensor support 3, a sliding plate 4, a proximity switch 5, a bushing 6, a sealing plate 7, a ball screw 8, a corrugated pipe 9, a guide shaft 10, an upper fixing plate 11, an air pipe joint 12, a screw support seat 13, an upper sensor support 14, a detection bolt 15, a screw support seat 16, a lower mounting plate 17, a support seat mounting plate 18 and a coupling 19;
the lower mounting plate 17 is a rectangular steel plate, a circular hole is formed in the lower mounting plate 17, and the coupler 19 is mounted on the lower fixing plate 17 through the circular hole;
the servo motor 1 is connected with the speed reducer 2, and a key is arranged on an output shaft of the servo motor and connected to the output shaft of the servo motor and the inside of the speed reducer;
the screw rod supporting seat 16 is fixed on the supporting seat mounting plate 18, and the coupler 19 is connected with the screw rod supporting seat 16;
the sliding plate 4 is connected with the ball screw 8 and the guide shaft 10, the guide shaft 10 is fixed between the lower mounting plate 17 and the upper fixing plate 11, and the detection bolt 15 is fixed on the sliding plate 4;
the corrugated pipe 9 is connected with a sealing plate 7 and an upper fixing plate 11 at the upper and lower positions, and the sealing plate 7 is connected with a sliding plate 4;
the joint of the interior of the corrugated pipe 9 and the upper fixing plate 11 is provided with an air inlet and outlet pipe joint 12;
the proximity switch 5 is arranged on the upper sensor bracket 14 and the lower sensor bracket 3, the upper sensor bracket 14 is arranged on the upper fixing plate 11, and the lower sensor bracket 3 is arranged on the lower mounting plate 17;
the servo motor 1 is provided with one servo motor, the servo motor 1 is fixed on the lower side of the lower mounting plate 17 through the speed reducer 2, an output shaft of the servo motor is connected with the speed reducer 2 through a key, the servo motor 1 is connected with a servo motor driver, and the servo motor driver is controlled by PTO pulse by taking a programmable controller S7-200smartPLC as a controller.
On shaft coupling 19 was fixed in mounting panel 17 down, connect lead screw supporting seat 13 on the shaft coupling 19, connect speed reducer 2 down, realize absolute synchronization through shaft coupling 19 with the motion of servo motor output shaft and lead screw supporting seat 16.
The sliding plate 4 is connected to the ball screw 8 and the guide shaft 10, the sliding plate 4 moves up and down along with the movement of the ball screw 8, the guide shaft 10 is responsible for the linear movement of the sliding plate 4 in the up-and-down moving direction, and the sliding plate is provided with a detection bolt 15 for detecting the movement limit of the sliding plate 4.
The corrugated pipe sealing plate 7 is connected with the sliding plate 4, and the sliding plate 8 moves up and down to drive the corrugated pipe 9 to move up and down, so that the breathing and inhaling process of the lung of a human body is simulated.
The lower sealing plate 7 of the corrugated pipe 9 is connected with the upper fixing plate 11, the air pipe joint 12 is communicated with the inside of the corrugated pipe 9, and the breathing and ventilation operation of the space inside the corrugated pipe 9 and the outside air can be carried out through the air pipe joint 12.
The 2 proximity switches 5 are respectively placed at the upper end and the lower end of the lower mounting plate 17 and the upper end and the lower end of the upper fixing plate 11 through the lower sensor support frame 3 and the upper sensor support 14, and line signals of the proximity switches 5 are connected with a Programmable Logic Controller (PLC).
The invention has the following beneficial effects:
1. according to the device for simulating the lung breathing of the human body, the servo motor moves to drive the ball screw to move, the ball screw drives the sliding plate to move on the guide shaft, the guide shaft enables the sliding plate to keep linear motion in the vertical direction, the guide shaft is provided with the bushing, the bushing reduces the gap and friction between the sliding plate and the guide shaft, the sliding plate moves up and down to drive the corrugated pipe to move up and down, the breathing process of the lung of the human body is simulated, and the breathing process of the lung can be directly observed.
2. The invention relates to a device for simulating human breathing lung, wherein a servo motor is controlled by a driver and a PLC (programmable logic controller), the movement frequency and the movement distance of the servo motor can directly determine the breathing frequency and the breathing intensity of a corrugated pipe simulated lung, and the frequency and the total number of output high-speed pulses are set by the PLC, so that the breathing process with different frequencies and intensities can be accurately controlled. Therefore, the device is suitable for accurately simulating the breathing process with different air volumes and frequencies and can also realize circulating breathing.
3. According to the device for simulating the respiratory lung of the human body, the upper sensor support and the lower sensor support are provided with the proximity switches, the sliding plate is provided with the detection bolt, and the movement range of the corrugated pipe is arranged between the proximity switches of the upper sensor support and the lower sensor support, so that the operation safety of the corrugated pipe simulated lung and the whole device is effectively protected.
4. The invention uses the corrugated pipe to simulate, the up-and-down movement of the corrugated pipe is similar to the process of lung inspiration and expiration, so the change of the two lungs can be observed, the servo motor is controlled by the movement of the servo motor, and the PLC is used as a controller, thereby realizing accurate control.
Drawings
FIG. 1 is a schematic diagram of a device for simulating the breathing of a lung of a human body according to the present invention;
wherein: the automatic detection device comprises a servo motor 1, a speed reducer 2, a lower sensor support 3, a sliding plate 4, a proximity switch 5, a bushing 6, a sealing plate 7, a ball screw 8, a corrugated pipe 9, a guide shaft 10, an upper fixing plate 11, an air pipe joint 12, a screw support seat 13, an upper sensor support 14, a detection bolt 15, a screw support seat 16, a lower mounting plate 17, a support seat mounting plate 18 and a coupler 19.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, but the present invention is not limited thereto.
Example 1
A device for simulating human respiratory lung comprises a servo motor 1, a speed reducer 2, a lower sensor support 3, a sliding plate 4, a proximity switch 5, a bushing 6, a sealing plate 7, a ball screw 8, a corrugated pipe 9, a guide shaft 10, an upper fixing plate 11, an air pipe joint 12, a screw support seat 13, an upper sensor support 14, a detection bolt 15, a screw support seat 16, a lower mounting plate 17, a support seat mounting plate 18 and a coupling 19; is suitable for simulating the lung respiration process of a human body.
The lower mounting plate is a rectangular steel plate, a circular hole is formed in the lower mounting plate, and the coupler 19 is mounted on the lower fixing plate through the circular hole.
The servo motor 1 is connected with the speed reducer 2, a key is arranged on an output shaft of the servo motor, and the key is connected with the output shaft of the servo motor and the inside of the speed reducer.
The screw rod supporting seat 16 is fixed on the supporting seat mounting plate 18, and the coupler 19 is connected with the screw rod supporting seat 16.
The sliding plate 4 is connected to the ball screw 8 and the guide shaft 10, the guide shaft 10 is fixed between the lower mounting plate 17 and the upper fixing plate 11, the detection bolt 15 is fixed on the sliding plate 4, and the sliding plate can slide back and forth along the guide shaft.
A sealing plate 7 is arranged at one end of the corrugated pipe 9 close to the servo motor 1, the sealing plate 7 is fixed with the sliding plate 4, and the other end of the corrugated pipe 9 is fixedly connected with the inner side of the upper fixing plate 11.
The joint between the interior of the corrugated pipe and the upper fixing plate 11 is provided with an air inlet and outlet pipe joint 12.
The proximity switch 5 is mounted on an upper sensor bracket 14, the upper sensor bracket 14 is mounted on the upper fixing plate 11, and a proximity switch is also mounted on the lower mounting plate 17 via a lower sensor bracket 3.
The servo motor 1 is provided with one servo motor, the servo motor is fixed on the lower side of the lower mounting plate 17 through a speed reducer 2, an output shaft speed reducer of the servo motor is connected through a key, the servo motor 1 is connected with a servo motor driver, and the servo motor driver is controlled by PTO pulse through a programmable controller S7-200smartPLC serving as a controller.
On the shaft coupling 19 was fixed in lower mounting panel 17, connect lead screw supporting seat 16 on the shaft coupling, connect speed reducer 2 down, realized absolute synchronization through shaft coupling 19 with the motion of servo motor output shaft and ball 8.
The sliding plate 4 is installed on a ball screw 8 and a guide shaft 10, the sliding plate 4 moves up and down along with the movement of the ball screw 8, the guide shaft 10 is responsible for the linear movement of the sliding plate 4 in the up-and-down moving direction, and the sliding plate 4 is provided with a detection bolt 15 for detecting the movement limit of the sliding plate 4.
The sealing plate 7 is connected with the sliding plate 4, and the sliding plate moves up and down to drive the corrugated pipe to move up and down so as to simulate the process of breathing in and breathing out of the human lung.
The lower sealing plate of the corrugated pipe is connected with the upper fixing plate, the air pipe joint 12 is communicated with the inside of the corrugated pipe 9, and the inner space of the corrugated pipe and the external air can be breathed and ventilated through the air pipe joint 12.
The line signals of the two proximity switches 5 are connected with a programmable controller PLC.
The number of the corrugated pipes is two, the corrugated pipes are symmetrically fixed on two sides of the ball screw, one end of the ball screw is fixed on the upper fixing plate 11, the other end of the ball screw penetrates through the sliding plate and is fixed with the screw support seat, and the corrugated pipes are installed between the sliding plate and the upper fixing plate and are compressed or stretched along with the ball screw.
The specific breathing process is as follows:
the suction process, the lower limit of the proximity switch is in an off state, the Programmable Logic Controller (PLC) controls the servo motor to rotate in the forward direction, the Programmable Logic Controller (PLC) sends a certain number of high-speed pulses within a certain time, the servo motor drives the ball screw to rotate downwards through the speed reducer and the coupler, the ball screw drives the sliding plate and the sealing plate to move downwards, the bellows gas port sucks gas into the bellows from the outside, the bellows expands, the proximity switch on the lower sensor support detects that the position of the detection bolt reaches the lower limit or the pulse number is sent to be finished, the servo motor stops moving, the shape of the bellows is kept constant, and the suction process is completed.
And in the breath holding process, the servo motor stops moving, and the shape of the corrugated pipe is continuously kept in a constant state.
The expiration process, limit is in the off-state on the proximity switch, programmable logic controller PLC controls servo motor reverse rotation, programmable logic controller PLC sends a certain amount of high-speed pulses in a certain time, servo motor drives ball screw through reduction gear and shaft coupling and upwards rotates, ball screw drives sliding plate and closing plate upward movement, the bellows passes through the gas port with inside gas and discharges the external world, the bellows shrink, proximity switch on the last sensor support detects that the detection bolt position reaches upper limit or pulse number sends the end, servo motor stop motion, the bellows shape keeps invariable, accomplish the expiration process.
The upper limit and the lower limit are respectively the state of the uppermost limit position and the lowermost limit position to which the sliding plate can move under the action of the ball screw, and the specific positions are detected by corresponding detection bolts.
Example 2
The difference between the embodiment and the embodiment 1 is that the breathing process of the human body is simulated, the programmable logic controller PLC controls the corrugated pipe to simulate the lung to continuously perform inspiration and expiration processes without holding the breath, and therefore the breathing process of the human body is effectively simulated.
Other structures of this embodiment are the same as those of embodiment 1, and are not described herein again.
The terms of the upper, lower, left, right and the like in the invention are relative concepts, and the side where the servo motor 1 is located is the lower side, and the side where the upper fixing plate is located is the upper side.
The invention uses a corrugated pipe to simulate the lung of a human body, a servo motor is fixed on a lower mounting plate through a speed reducer, a coupler connects the speed reducer with a screw support seat, a sliding plate is connected with a ball screw and a guide shaft, the ball screw drives the sliding plate to move up and down, the guide shaft is responsible for the sliding plate to do up-and-down linear motion, a bush is arranged at the connection position of the sliding plate and the guide shaft, the bush can reduce the gap and friction between the sliding plate and the guide shaft, a sealing plate is arranged at the connection position of the corrugated pipe and the sliding plate, the sealing plate improves the tightness of the corrugated pipe, a sensor bracket and a proximity switch are arranged on the lower mounting plate and an upper fixing plate, the sliding plate is provided with a detection bolt, the proximity switch detects the position of the bolt to limit the movement stroke of the sliding plate, equipment is protected, the upper fixing plate is provided with an air pipe joint, and the air pipe joint is communicated with the interior of the corrugated pipe. According to the invention, the servo motor accurately controls the sliding plate to move on the ball screw so as to drive the corrugated pipe to move up and down, the expiration and inspiration processes of the lung can be observed from the appearance, and the accurate control of the servo motor can realize the accurate control of the tidal volume of respiration.
Nothing in this specification is said to apply to the prior art.
Claims (8)
1. A device for simulating human breathing lung is characterized by comprising a servo motor, a speed reducer, a lower sensor bracket, a sliding plate, a proximity switch, a bushing, a sealing plate, a ball screw, a corrugated pipe, a guide shaft, an upper fixing plate, an air pipe joint, a screw support seat, an upper sensor bracket, a detection bolt, a screw support seat, a lower mounting plate, a support seat mounting plate and a coupler;
the lower mounting plate is a rectangular steel plate, a circular hole is formed in the lower mounting plate, and the coupler is mounted on the lower fixing plate through the circular hole;
the servo motor is connected with a speed reducer, and a key is arranged on an output shaft of the servo motor and connected to the output shaft of the servo motor and the inside of the speed reducer;
the screw rod supporting seat is fixed on the supporting seat mounting plate, and the coupler is connected with the screw rod supporting seat;
the sliding plate is connected with the ball screw and the guide shaft, the guide shaft is fixed between the lower mounting plate and the upper fixing plate, and the detection bolt is fixed on the sliding plate;
the corrugated pipe is connected with the sealing plate and the upper fixing plate at the upper and lower positions, and the sealing plate is connected with the sliding plate;
the joint of the interior of the corrugated pipe and the upper fixing plate is provided with an air inlet pipe joint and an air outlet pipe joint;
the proximity switches are arranged on the upper sensor support and the lower sensor support, the upper sensor support is placed on the upper fixing plate, and the lower sensor support is placed on the lower mounting plate.
2. The device for simulating a human respiratory lung according to claim 1, wherein one servo motor is provided, the servo motor is fixed on the lower side of the lower mounting plate through a speed reducer, a servo motor output shaft is connected with the speed reducer through a key, the servo motor is connected with a servo motor driver, and the servo motor driver is controlled by PTO pulse through a programmable controller S7-200smartPLC as a controller.
3. The device for simulating the respiratory lung of a human body according to claim 1, wherein the coupling is fixed on the lower mounting plate, the coupling is connected with the screw rod supporting seat, the lower speed reducer is connected, and the movement of the output shaft of the servo motor and the screw rod supporting seat is absolutely synchronized through the coupling.
4. The device for simulating the respiratory lung of a human body according to claim 1, wherein the sliding plate is connected to the ball screw and a guide shaft, the sliding plate moves up and down along with the movement of the ball screw, the guide shaft is responsible for the linear movement of the sliding plate in the up-and-down moving direction, and the sliding plate is provided with a detection bolt for detecting the movement limit of the sliding plate.
5. The device of claim 1, wherein the bellows seal plate is connected to a slide plate, and wherein the upward and downward movement of the slide plate moves the bellows upward and downward to simulate the breathing process of the human lung.
6. The apparatus for simulating a human respiratory lung according to claim 1, wherein the lower sealing plate of the bellows is connected to the upper fixing plate, and the air tube connector is connected to the interior of the bellows, and the inner space of the bellows is ventilated with external air through the air tube connector.
7. The device for simulating the human body to breathe the lung according to claim 1, wherein two proximity switches are respectively placed at the upper end and the lower end of the lower mounting plate and the upper fixing plate through a lower sensor support frame and an upper sensor support frame, and circuit signals of the proximity switches are connected with a Programmable Logic Controller (PLC).
8. The device for simulating the respiratory lung of a human body according to claim 1, wherein the servo motor moves to drive the ball screw, the ball screw drives the sliding plate to move on the guide shaft, the guide shaft keeps the sliding plate moving linearly in the vertical direction, the guide shaft is provided with a bushing, the bushing reduces the gap and friction between the sliding plate and the guide shaft, the sliding plate moves up and down to drive the corrugated pipe to move up and down, so that the exhalation and inhalation processes of the lung of the human body can be simulated, and the respiratory process of the lung can be directly observed;
the servo motor is controlled by a driver and a PLC (programmable logic controller), the motion frequency and the motion distance of the servo motor directly determine the respiratory frequency and the respiratory intensity of the simulated lungs of the corrugated pipe, and the frequency and the total number of output high-speed pulses are set by the PLC, so that the respiratory processes with different frequencies and intensities are accurately controlled; the device is suitable for accurately simulating the breathing process with different air volumes and frequencies, and can also realize circulating breathing;
the upper sensor support and the lower sensor support are provided with proximity switches, the sliding plate is provided with a detection bolt, the motion range of the corrugated pipe is arranged between the proximity switches of the upper sensor support and the lower sensor support, and the operation safety of the corrugated pipe simulated lung and the whole device is effectively protected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211256563.8A CN115662252A (en) | 2022-10-14 | 2022-10-14 | Device for simulating human body breathing lung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211256563.8A CN115662252A (en) | 2022-10-14 | 2022-10-14 | Device for simulating human body breathing lung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115662252A true CN115662252A (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211256563.8A Pending CN115662252A (en) | 2022-10-14 | 2022-10-14 | Device for simulating human body breathing lung |
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| Country | Link |
|---|---|
| CN (1) | CN115662252A (en) |
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2022
- 2022-10-14 CN CN202211256563.8A patent/CN115662252A/en active Pending
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