CN109341964B

CN109341964B - Detection device for breathing machine

Info

Publication number: CN109341964B
Application number: CN201811417356.XA
Authority: CN
Inventors: 曹春燕; 谭瑞霞; 高珊
Original assignee: Qingdao Central Hospital
Current assignee: Qingdao Central Hospital
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2020-05-12
Anticipated expiration: 2038-11-26
Also published as: CN109341964A

Abstract

The invention relates to a detection device for a breathing machine, which comprises a bottom plate, two supporting mechanisms, a moving mechanism and a detection mechanism, wherein the bottom plate is provided with the two supporting mechanisms, the two supporting mechanisms are arranged in a bilateral symmetry manner, the moving mechanism is arranged between the two supporting mechanisms, the moving mechanism is provided with the detection mechanism, the number of the detection mechanisms is two, the two detection mechanisms are arranged in a bilateral symmetry manner, and the detection mechanism comprises a working cylinder, a detection cylinder, an auxiliary cylinder, a detection frame and a force-sensitive sensor. The invention can solve the problems of low detection efficiency, large labor capacity, poor adjustability, poor working stability and the like in the existing detection process of the air tightness of the breathing machine pipeline, can realize the function of automatically detecting the air tightness of the breathing machine pipeline, and has the advantages of high detection efficiency, small labor capacity, good adjustability, high working stability and the like.

Description

Detection device for breathing machine

Technical Field

The invention relates to the field of detection devices of respirators, in particular to a detection device for a respirator.

Background

The ventilator has been widely used in respiratory failure due to various reasons, anesthesia and breathing management during major surgery, respiratory support therapy and emergency resuscitation, and has a very important position in the modern medical field as an effective means for manually replacing the autonomous ventilation function. The respirator mainly comprises a power part, an air source, a connecting part and a main machine, wherein the connecting part mainly comprises a ventilation pipeline, and the airtightness of the ventilation pipeline has direct influence on whether the respirator can normally work, so that the airtightness of the ventilation pipeline needs to be detected after the ventilation pipeline is produced. At present, the air tightness detection of the ventilation pipeline is mainly carried out underwater, the detection time is long, the ventilation pipeline needs to be dried and the like after the detection is finished, the workload is high, the pipeline is bent in the detection process, the air leakage at the port of the pipeline is easily caused, and the detection result is influenced accurately.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides a detection device for a respirator, which can solve the problems of low detection efficiency, large labor capacity, poor adjustability, poor working stability and the like in the air tightness detection process of the pipeline of the existing respirator, can realize the function of automatically detecting the air tightness of the pipeline of the respirator, and has the advantages of high detection efficiency, small labor capacity, good adjustability, high working stability and the like.

The technical scheme adopted by the invention to solve the technical problem is as follows: a detection device for a breathing machine comprises a bottom plate, two bearing mechanisms, a moving mechanism and detection mechanisms, wherein the bottom plate is provided with the two bearing mechanisms, the two bearing mechanisms are arranged in a bilateral symmetry mode, the moving mechanism is arranged between the two bearing mechanisms, the moving mechanism is provided with the detection mechanisms, the number of the detection mechanisms is two, and the two detection mechanisms are arranged in a bilateral symmetry mode; wherein:

the supporting mechanism comprises a supporting plate, a telescopic frame, a supporting bracket, a telescopic cylinder and a supporting branched chain, wherein the supporting plate is arranged on a bottom plate, a circular through hole is formed in the side wall of the upper end of the supporting plate, the telescopic frame is arranged on the inner side of the circular through hole, a telescopic groove is formed in the inner side of the telescopic frame, the supporting bracket is arranged in the telescopic groove in a sliding fit mode, the side wall of the supporting bracket is connected with the top end of the telescopic cylinder, the bottom end of the telescopic cylinder is arranged on the side wall of the supporting plate, the telescopic frame and the supporting bracket are both of hollow cylinder structures with openings at two ends, adjusting grooves are uniformly formed in the side wall of the supporting bracket along the circumferential direction of the side wall of the supporting bracket, the supporting branched chain is arranged in the adjusting groove and comprises a mounting frame, an adjusting, the side wall of the adjusting frame is connected with the inner wall of the adjusting groove in a sliding fit mode, and the lower end of the adjusting frame is of an arc surface structure; the telescopic motion through telescopic cylinder adjusts bearing branch position, can hug closely with breather pipe way lateral wall until the alignment jig lower extreme, avoid causing the influence because the pipeline is crooked and to the normal clear of work in the testing process, stability in the working process has been improved, and be applicable to the breather pipe of different diameters size, the adjustability is high, telescopic motion through telescopic cylinder adjusts the bearing bracket frame, so as to avoid the bearing bracket frame to cause the hindrance to the normal clear of testing work, be convenient for detect different positions of pipeline.

The moving mechanism comprises a moving motor, a moving gear and a first rack, the guide frame is arranged on the bottom plate, the first rack and the second rack are in the same structure, the first rack comprises a fixed rack, an adjusting rack and an adjusting electric push rod, the fixed rack is of a hollow structure, the adjusting rack is arranged in the fixed rack in a sliding fit manner, the lower end of the adjusting rack is connected with the top end of the adjusting electric push rod, and the bottom end of the adjusting electric push rod is arranged at the lower end of the fixed rack; through the mutual cooperation between the movable motor, the movable gear, a rack and No. two racks for a rack and No. two racks can carry out linear motion in opposite directions, so that drive corresponding detection mechanism and detect the pipeline left and right parts simultaneously, shorten check-out time, improved detection efficiency, and a rack and No. two racks are length-adjustable structure, can treat the actual length difference of treating the pipeline and carry out corresponding regulation according to detecting, have enlarged application range, have improved the practicality.

The detection mechanism comprises a working barrel, a detection barrel, an auxiliary barrel, a detection frame and a force-sensitive sensor, the working barrel is arranged on the side wall of the working frame, the detection barrel is arranged on the inner side of the working barrel, the auxiliary barrel is arranged on the outer side of the working barrel, the working barrel and the auxiliary barrel are both arranged on the working frame, the working barrel and the detection barrel are both of hollow cylinder structures with openings at two ends, working holes are uniformly formed in the side wall of the working barrel along the circumferential direction of the working barrel, detection holes are uniformly formed in the side wall of the detection barrel along the circumferential direction of the detection barrel, the positions of the working holes correspond to the positions of the detection holes one by one, the detection frame is arranged in the detection holes, the middle part of the detection frame is positioned in the working holes, the upper end of the detection frame is arranged on the outer wall of the working barrel, the detection frame comprises a detection rod, an ear plate, ear plates are symmetrically arranged on the left side and the right side of the upper end of the detection rod, the lower end of each ear plate is connected with one end of a return spring, the other end of each return spring is arranged on the outer wall of the working barrel, a force-sensitive sensor is arranged right above the detection frame, and the force-sensitive sensors are arranged on the auxiliary barrel; aerify and carry out the shutoff to the pipeline both ends in to the pipeline through current compression equipment, drive detection mechanism through moving mechanism simultaneously and carry out synchronous motion, when removing to gas leakage department, from the pipeline in spun gas to the test rack production pressure, make the test rack upper end contact with the quick sensor of the power that corresponds, the quick sensor of power just can output signal after being touched, make the staff can discover the gas leakage position, can more accurate audio-visual point out the gas leakage position, need not the staff and consume a large amount of time and investigate, also need not to detect the operation under water, the time of later clearing up the pipeline has been saved, the amount of labour has been reduced, detection efficiency has been improved.

When the pipeline leakage detection device works, an operator places two ends of a pipeline to be detected in a bearing bracket, then the pipeline is inflated by the aid of existing pressurizing equipment and the two ends of the pipeline are blocked, then the first rack and the second rack can linearly move in opposite directions by means of mutual matching of a moving motor, a moving gear and the first rack and the second rack, so that a corresponding detection mechanism can be driven to simultaneously detect the left part and the right part of the pipeline, when the pipeline leakage detection device moves to a leakage position, gas sprayed out of the pipeline generates pressure on the detection frame, the upper end of the detection frame is contacted with a corresponding force-sensitive sensor, the force-sensitive sensor can output signals after being touched, the operator can find the leakage position, the bearing bracket is adjusted by means of telescopic motion of a telescopic cylinder in the moving process, the problem that the bearing bracket obstructs normal detection work is avoided, and different positions of the pipeline can be conveniently detected, the invention can solve the problems of low detection efficiency, large labor capacity, poor adjustability, poor working stability and the like in the existing detection process of the air tightness of the breathing machine pipeline, and can realize the function of automatically detecting the air tightness of the breathing machine pipeline.

Compared with the prior art, the invention has the following advantages:

1. the invention can solve the problems of low detection efficiency, large labor capacity, poor adjustability, poor working stability and the like in the air tightness detection process of the existing breathing machine pipeline, can realize the function of automatically detecting the air tightness of the breathing machine pipeline, and has the advantages of high detection efficiency, small labor capacity, good adjustability, high working stability and the like;

2. the device is provided with the supporting mechanism, so that two ends of the pipeline to be detected can be supported, the influence on the normal operation of the pipeline caused by the bending of the pipeline in the detection process is avoided, the stability in the operation process is improved, the device is suitable for ventilation pipelines with different diameters, and the adjustability is high;

3. the pipeline detection device is provided with the moving mechanism, so that the corresponding detection mechanism can be driven to simultaneously detect the left part and the right part of the pipeline, the detection time is shortened, the detection efficiency is improved, corresponding adjustment can be performed according to different actual lengths of the pipeline to be detected, the application range is expanded, and the practicability is improved;

4. the invention is provided with the detection mechanism, so that the air leakage position can be accurately and visually indicated, workers do not need to spend a large amount of time to check, detection operation is not needed to be carried out underwater, the time for cleaning the pipeline later is saved, the labor amount is reduced, and the detection efficiency is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the three-dimensional configuration of the invention with the base plate engaged with the support mechanism;

FIG. 3 is a schematic diagram of a three-dimensional structure of the bottom plate, the moving mechanism and the detecting mechanism (except for the moving motor);

fig. 4 is a schematic view of the matching plane structure among the bottom plate, the moving mechanism and the detecting mechanism of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

As shown in fig. 1 to 4, a detection device for a breathing machine includes a base plate 1, two supporting mechanisms 2, two moving mechanisms 3 and two detection mechanisms 4, wherein the supporting mechanisms 2 are mounted on the base plate 1, the two supporting mechanisms 2 are arranged in a bilateral symmetry manner, the moving mechanism 3 is arranged between the two supporting mechanisms 2, the detection mechanisms 4 are mounted on the moving mechanism 3, the number of the detection mechanisms 4 is two, and the two detection mechanisms 4 are arranged in a bilateral symmetry manner; wherein:

the bearing mechanism 2 comprises a supporting plate 21, an expansion bracket 22, a supporting bracket 23, an expansion cylinder 24 and a bearing branched chain 25, the supporting plate 21 is installed on the bottom plate 1, a circular through hole is formed on the side wall of the upper end of the supporting plate 21, the expansion bracket 22 is installed on the inner side of the circular through hole, an expansion groove is formed on the inner side of the expansion bracket 22, the supporting bracket 23 is installed in the expansion groove in a sliding fit mode, the side wall of the supporting bracket 23 is connected with the top end of the expansion cylinder 24, the bottom end of the expansion cylinder 24 is installed on the side wall of the supporting plate 21, the expansion bracket 22 and the supporting bracket 23 are both of hollow cylinder structures with openings at two ends, adjusting grooves are uniformly formed in the side wall of the supporting bracket 23 along the circumferential direction of the side wall, the bearing branched chain 25 is installed in the adjusting grooves, the bearing branched chain 25 comprises a mounting frame 251, the adjusting, the top end of the adjusting cylinder 252 is provided with an adjusting frame 253, the side wall of the adjusting frame 253 is connected with the inner wall of the adjusting groove in a sliding fit mode, and the lower end of the adjusting frame 253 is of an arc surface structure; the position of the bearing branched chain 25 is adjusted through the telescopic motion of the telescopic cylinder 24, the lower end of the adjusting frame 253 can be tightly attached to the side wall of the air pipeline until the lower end of the adjusting frame 253 is tightly attached to the side wall of the air pipeline, the influence on the normal work due to the bending of the pipeline in the detection process is avoided, the stability in the working process is improved, the adjusting device is suitable for the air pipeline with different diameters and sizes, the adjustability is high, the bearing bracket 23 is adjusted through the telescopic motion of the telescopic cylinder 24, the obstruction on the normal work of the detection work due to the bearing bracket 23 is avoided, and the detection on different positions.

The moving mechanism 3 comprises a moving motor 31, a moving gear 32, a first rack 33, a second rack 34, a guide frame 35 and a working frame 36, the moving motor 31 is installed on the bottom plate 1 through a motor base, an output shaft of the moving motor 31 is connected with the lower end of the moving gear 32, the front end and the rear end of the moving gear 32 are respectively meshed with the first rack 33 and the second rack 34, the first rack 33 and the second rack 34 are arranged in a staggered mode, the first rack 33 and the second rack 34 are both installed in a guide groove formed in the guide frame 35 in a sliding fit mode, the guide frame 35 is installed on the bottom plate 1, the working frame 36 is installed at the upper end of the guide frame 35, the first rack 33 and the second rack 34 are completely identical in structure, the first rack 33 comprises a fixed rack 331, an adjusting rack 332 and an adjusting electric push rod 333, the fixed rack 331 is of a hollow structure, the adjusting rack 332 is installed in the fixed rack 331, the lower end of the adjusting rack 332 is connected with the top end of an adjusting electric push rod 333, and the bottom end of the adjusting electric push rod 333 is arranged at the lower end of the fixed rack 331; through the moving motor 31, remove gear 32, mutually support between a rack 33 and No. two racks 34, make a rack 33 and No. two racks 34 can carry out linear motion in opposite directions, so that drive detection mechanism 4 that corresponds and detect the pipeline left and right parts simultaneously, the check out time has been shortened, detection efficiency has been improved, and a rack 33 and No. two racks 34 are length-adjustable structure, can be according to waiting to detect the actual length difference of pipeline and carry out corresponding regulation, application range has been enlarged, and the practicality is improved.

The detection mechanism 4 comprises a working cylinder 41, a detection cylinder 42, an auxiliary cylinder 43, a detection frame 44 and a force sensor 45, the working cylinder 41 is mounted on the side wall of the working frame 36, the detection cylinder 42 is arranged on the inner side of the working cylinder 41, the auxiliary cylinder 43 is arranged on the outer side of the working cylinder 41, the working cylinder 41 and the auxiliary cylinder 43 are both mounted on the working frame 36, the working cylinder 41 and the detection cylinder 42 are both hollow cylinder structures with openings at two ends, working holes are uniformly formed on the side wall of the working cylinder 41 along the circumferential direction thereof, detection holes are uniformly formed on the side wall of the detection cylinder 42 along the circumferential direction thereof, the positions of the working holes correspond to the positions of the detection holes one by one, the detection frame 44 is arranged in the detection holes, the middle part of the detection frame 44 is positioned in the working holes, the upper end of the detection frame 44 is mounted on the outer wall of the working cylinder 41, the detection frame 44, the upper end of the detection rod 441 is in a cone structure, the detection rod 441 is made of plastic or other light materials, the left side and the right side of the upper end of the detection rod 441 are symmetrically provided with ear plates 442, the lower end of each ear plate 442 is connected with one end of a return spring 443, the other end of the return spring 443 is arranged on the outer wall of the working cylinder 41, a force-sensitive sensor 45 is arranged right above the detection frame 44, and the force-sensitive sensor 45 is arranged on the auxiliary cylinder 43; aerify and carry out the shutoff to the pipeline both ends in to the pipeline through current compression equipment, drive detection mechanism 4 through moving mechanism 3 simultaneously and carry out synchronous motion, when removing to gas leakage department, from the pipeline in spun gas to test rack 44 generate pressure, make test rack 44 upper end and the force sensor 45 who corresponds contact, force sensor 45 just can output signal after being touched, make the staff can discover the gas leakage position, can more accurate audio-visual point out the gas leakage position, need not the staff and consume a large amount of time and investigate, also need not to detect the operation under water, the time of clearing up the pipeline after having saved, the amount of labour has been reduced, detection efficiency is improved.

During operation, a worker places two ends of a pipeline to be detected in the supporting bracket 23, then the pipeline is inflated by the existing pressurizing equipment and the two ends of the pipeline are blocked, then the first rack 33 and the second rack 34 can do opposite linear motion through mutual matching of the moving motor 31, the moving gear 32, the first rack 33 and the second rack 34, so as to drive the corresponding detection mechanism 4 to detect the left part and the right part of the pipeline simultaneously, when the pipeline moves to an air leakage position, gas sprayed out of the pipeline generates pressure on the detection frame 44, so that the upper end of the detection frame 44 is contacted with the corresponding force-sensitive sensor 45, the force-sensitive sensor 45 outputs signals after being touched, the worker can find the air leakage position, in the moving process, the supporting bracket 23 is adjusted through the telescopic motion of the telescopic cylinder 24, so that the supporting bracket 23 cannot obstruct normal detection operation, the invention is convenient for detecting different positions of the pipeline, solves the problems of low detection efficiency, large labor capacity, poor adjustability, poor working stability and the like in the air tightness detection process of the traditional breathing machine pipeline, realizes the function of automatically detecting the air tightness of the breathing machine pipeline and achieves the aim.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a detection device for breathing machine, includes bottom plate (1), supporting mechanism (2), moving mechanism (3) and detection mechanism (4), its characterized in that: the device comprises a base plate (1), wherein supporting mechanisms (2) are mounted on the base plate (1), the number of the supporting mechanisms (2) is two, the two supporting mechanisms (2) are arranged in a bilateral symmetry mode, a moving mechanism (3) is arranged between the two supporting mechanisms (2), detection mechanisms (4) are mounted on the moving mechanism (3), the number of the detection mechanisms (4) is two, and the two detection mechanisms (4) are arranged in a bilateral symmetry mode; wherein:

the moving mechanism (3) comprises a moving motor (31), a moving gear (32), a first rack (33), a second rack (34), a guide frame (35) and a working frame (36), wherein the moving motor (31) is installed on the bottom plate (1) through a motor base:

an output shaft of the moving motor (31) is connected with the lower end of a moving gear (32), and a first rack (33) and a second rack (34) are respectively meshed with the front end and the rear end of the moving gear (32);

the first rack (33) and the second rack (34) are arranged in a staggered mode, the first rack (33) and the second rack (34) are installed in a guide groove formed in a guide frame (35) in a sliding fit mode, the guide frame (35) is installed on the bottom plate (1), and a working frame (36) is installed at the upper end of the guide frame (35);

the detection mechanism (4) comprises a working barrel (41), a detection barrel (42), an auxiliary barrel (43), a detection frame (44) and a force-sensitive sensor (45), wherein the working barrel (41) is arranged on the side wall of the working frame (36):

-a detection cylinder (42) is arranged inside the working cylinder (41), an auxiliary cylinder (43) is arranged outside the working cylinder (41), and both the working cylinder (41) and the auxiliary cylinder (43) are mounted on the working frame (36);

the working barrel (41) and the detection barrel (42) are both of hollow cylinder structures with two open ends, working holes are uniformly formed in the side wall of the working barrel (41) along the circumferential direction of the side wall, detection holes are uniformly formed in the side wall of the detection barrel (42) along the circumferential direction of the side wall, and the positions of the working holes correspond to the positions of the detection holes one by one;

a detection frame (44) is arranged in the detection hole, the middle part of the detection frame (44) is positioned in the working hole, and the upper end of the detection frame (44) is arranged on the outer wall of the working barrel (41);

-a force-sensitive sensor (45) is arranged directly above the detection frame (44), the force-sensitive sensor (45) being mounted on the auxiliary cartridge (43).

2. A detection device for a ventilator according to claim 1, wherein: the bearing mechanism (2) comprises a supporting plate (21), a telescopic frame (22), a bearing bracket (23), a telescopic cylinder (24) and a bearing branch chain (25), and the supporting plate (21) is installed on the bottom plate (1):

a circular through hole is formed in the side wall of the upper end of the supporting plate (21), and an expansion bracket (22) is arranged inside the circular through hole;

a telescopic groove is formed in the inner side of the telescopic frame (22), a support bracket (23) is arranged in the telescopic groove in a sliding fit mode, the side wall of the support bracket (23) is connected with the top end of a telescopic cylinder (24), and the bottom end of the telescopic cylinder (24) is arranged on the side wall of the support plate (21);

the telescopic frame (22) and the support bracket (23) are both of hollow cylinder structures with two open ends, the side wall of the support bracket (23) is uniformly provided with adjusting grooves along the circumferential direction, and the adjusting grooves are internally provided with supporting branched chains (25).

3. A detection device for a ventilator according to claim 1, wherein: the first rack (33) and the second rack (34) are identical in structure, the first rack (33) comprises a fixed rack (331), an adjusting rack (332) and an adjusting electric push rod (333), and the fixed rack (331) is of a hollow structure:

an adjusting rack (332) is arranged in the fixed rack (331) in a sliding fit mode, the lower end of the adjusting rack (332) is connected with the top end of an adjusting electric push rod (333), and the bottom end of the adjusting electric push rod (333) is arranged at the lower end of the fixed rack (331).

4. A detection device for a ventilator according to claim 1, wherein: the detection frame (44) comprises a detection rod (441), lug plates (442) and a return spring (443), the lug plates (442) are symmetrically installed on the left side and the right side of the upper end of the detection rod (441), the lower ends of the lug plates (442) are connected with one end of the return spring (443), and the other end of the return spring (443) is installed on the outer wall of the working barrel (41).

5. A detection device for a ventilator according to claim 2, wherein: the bearing branched chain (25) comprises a mounting frame (251), an adjusting cylinder (252) and an adjusting frame (253), and the mounting frame (251) is of an inverted U-shaped structure:

the mounting frame (251) is mounted on the side wall of the telescopic frame (22), the lower end of the mounting frame (251) is connected with the bottom end of the adjusting cylinder (252), the adjusting frame (253) is mounted at the top end of the adjusting cylinder (252), the side wall of the adjusting frame (253) is connected with the inner wall of the adjusting groove in a sliding fit mode, and the lower end of the adjusting frame (253) is of an arc surface structure.

6. A detection device for a ventilator according to claim 4, wherein: the lower end of the detection rod (441) is of a cylindrical structure, the upper end of the detection rod (441) is of a conical structure, and the detection rod (441) is made of plastic or other light materials.