阅读说明：本技术 经颅多普勒超声发泡试验吸气定量分析设备及分析方法 (Transcranial Doppler ultrasonic foaming test inspiration quantitative analysis equipment and analysis method ) 是由 徐永美 周振华 吴敏 王顺玉 张雪 于 2021-08-25 设计创作，主要内容包括：本发明涉及一种经颅多普勒超声发泡试验吸气定量分析设备及分析方法,气囊带两侧连接盒的侧面一体加工有支撑框,气囊带的内部粘合有气压传感器,电池的输出端分别与显示屏、处理器和气压传感器的输入端单向电性连接,气囊带的底部设置有与两个连接盒卡接的固定带,连接盒顶部微型电机的输出端连接有丝杆,丝杆表面螺纹连接滑块的底部铰接有传动杆,传动杆底端铰接板的两端均栓接有传动绳,连接盒内双轮组的前侧和后侧分别与两个传动绳的底端缠绕,双轮组前侧转动连接滑套的内部滑动连接有滑杆,滑杆顶端齿条的顶部啮合有卡接机构,卡接机构与固定带卡接,丝杆表面的顶端啮合有调节机构；解决现有VALSALVA动作不够精确,影响发泡试验这一检查结果阳性率的问题。(The invention relates to a transcranial Doppler ultrasonic foaming test inspiration quantitative analysis device and an analysis method, wherein a supporting frame is integrally processed on the side surface of a connecting box at two sides of an air bag belt, an air pressure sensor is bonded in the air bag belt, the output end of a battery is respectively and unidirectionally and electrically connected with a display screen, a processor and the input end of the air pressure sensor, a fixing belt clamped with the two connecting boxes is arranged at the bottom of the air bag belt, the output end of a micro motor at the top of each connecting box is connected with a lead screw, the surface of the lead screw is in threaded connection with the bottom of a sliding block, two ends of a hinged plate at the bottom end of the transmission rod are respectively bolted with a transmission rope, the front side and the rear side of a double-wheel set in each connecting box are respectively wound with the bottom ends of the two transmission ropes, a sliding rod is connected in the sliding connection sliding sleeve in the rotating manner at the front side of the double-wheel set, a clamping mechanism is meshed with the top of a rack at the top of the sliding rod, the top end of the surface of the screw rod is engaged with an adjusting mechanism; the problem of current VALSALVA action accurate inadequately, influence foaming test this inspection result positive rate is solved.)

1. The transcranial Doppler ultrasonic foaming test inspiration quantitative analysis equipment is characterized by comprising an air bag belt, wherein connecting boxes are bonded on two sides of the air bag belt, a supporting frame is integrally processed on the side face of each connecting box, a display screen, a processor and a battery are fixedly mounted inside each supporting frame, an air pressure sensor is bonded inside each air bag belt, the output end of each battery is respectively and unidirectionally electrically connected with the input ends of the display screen, the processor and the air pressure sensor, the output end of the processor is unidirectionally and electrically connected with the input end of a display screen (6), the input end of the processor is unidirectionally and electrically connected with the output end of the air pressure sensor, fixing belts clamped with the two connecting boxes are arranged at the bottom of the air bag belt, a micro motor is fixedly mounted at an opening in the top of each connecting box, and the output end of the micro motor is connected with a screw rod, the surperficial threaded connection of lead screw has the slider, the bottom of slider articulates there is the transfer line, the bottom of transfer line articulates there is the articulated slab, the equal bolt in both ends of articulated slab has the driving rope, the inside of connecting box and the bottom that is located the articulated slab rotate and be connected with the double wheel group, the inside front side of double wheel group and rear side twine with the bottom of two driving ropes respectively, the front side rotation of double wheel group is connected with the sliding sleeve, the inside sliding connection of sliding sleeve has the slide bar, the top welding of slide bar has the rack, the top meshing of rack has latch mechanism, latch mechanism and fixed band joint, the meshing of the top on lead screw surface has adjustment mechanism.

2. The transcranial Doppler ultrasound foaming test inspiration quantitative analysis device as claimed in claim 1, wherein the clamping mechanism comprises a pinion, the bottom of the pinion is meshed with the top of a rack, a helical gear is welded on the rear side of the pinion, the axis of the helical gear is rotatably connected with the inside of a connecting box, a transmission wheel is meshed at the bottom of the helical gear, a worm is fixedly sleeved at the axis of the transmission wheel, a bracket is rotatably sleeved between two ends of the worm, the bottom of the bracket is welded with the inside of the connecting box, a worm wheel is meshed at the top end of the worm, the axis of the worm wheel is rotatably connected with the inside of the connecting box, a guide plate is welded at the top end of the worm wheel, a sliding frame is hinged at the top end of the guide plate, a clamping clamp is slidably connected inside the sliding frame, and the bottom end of the clamping clamp is hinged with the inside of the connecting box, the side of the clamping clamp corresponds to the side of the fixing band.

3. The transcranial Doppler ultrasound foaming test inspiration quantitative analysis device as claimed in claim 1, wherein the adjusting mechanism comprises a connecting wheel, the axis of the connecting wheel is rotatably connected with the inside of a connecting box, teeth of the connecting wheel are meshed with the surface of a screw rod, a large chain wheel is welded on the rear side of the connecting wheel, a chain is meshed on the surface of the large chain wheel, a small chain wheel is meshed inside the chain, a friction wheel is welded on the rear side of the small chain wheel, the axis of the friction wheel is rotatably connected with the inside of the connecting box, and the side surface of the friction wheel is in transmission connection with the side surface of a fixing belt.

4. The transcranial Doppler ultrasound foaming test inspiration quantitative analysis device as claimed in claim 2, wherein an auxiliary wheel is rotatably connected to the bottom end of the clamping clamp, and the side face of the auxiliary wheel is slidably connected with the side face of the fixing belt.

5. The transcranial Doppler ultrasound foaming test inspiration quantitative analysis device as claimed in claim 2, wherein a friction plate is bonded to one side of the clamping clamp away from the sliding frame, and one side of the friction plate close to the fixing band is of a convex block structure.

6. The apparatus according to claim 2, wherein the bevel gear and the driving wheel are bevel gears, and the top end of the guide plate is inclined to one side of the fixing belt.

7. The transcranial doppler ultrasound foaming test inspiration quantitative analysis device of claim 1, wherein a limiting sleeve is slidably connected to the surface of the rack, and the rear side of the limiting sleeve is welded with the inside of the connecting box.

8. The transcranial Doppler ultrasound foaming test inspiration quantitative analysis device as claimed in claim 1, wherein the top and the bottom of the connecting box are both provided with bayonets, and the fixing band is located inside the bayonets.

9. The transcranial doppler ultrasound foaming test inspiratory quantitative analysis device according to claim 1, wherein auxiliary plates are bonded to both ends of the fixing band.

10. The transcranial Doppler ultrasonic foaming test inspiration quantitative analysis method is characterized by comprising the following steps of:

s1: filling a certain amount of gas into the air bag belt, detecting the pressure value inside the air bag belt by using an air pressure sensor, transmitting the numerical value to a processor, and storing the numerical value by using a storage device and displaying the numerical value on a display screen by using the processor;

s2: the fixing band is placed on the back of a user, the air bag band is placed on the waist of the user, the fixing band is inserted into a bayonet of the connecting box, then the fixing band is tensioned, and the fixing band is tensioned by the micro motor through the adjusting mechanism;

s3: in the process of tensioning the fixing belt, the micro motor clamping mechanism rotates, and the clamping mechanism is clamped with the limiting fixing belt;

s4: during testing, a tester breathes in at best, a pressure value is recorded in the process of breathing in, then the tester keeps a gas-closed state, the gas-closed time is recorded, then the tester breathes out quickly, and the pressure sensor and the processor record the time and the pressure value, so that sample collection can be carried out by repeated operation, and a reference range of a gas pressure value is formed;

s5: at the time of final testing, it was considered acceptable that the wearer's air pressure data was within this range.

Technical Field

The invention belongs to the technical field of medical instruments, and relates to a transcranial Doppler ultrasonic foaming test inspiration quantitative analysis device and an analysis method.

Background

The transcranial Doppler ultrasound frothing test requires a patient to do VALSALVA action, during the test, the maximum possible inspiration is needed to achieve the maximum possible increase of the pressure in the thoracic cavity, then the patient holds the breath, the pressure in the thoracic cavity is maintained for about 10 seconds, and then the patient rapidly exhales, so that the condition that the heart is shunted right and left is checked. The patent with application number CN201810133173.9 discloses a visual quantification device for Valsalva actions, which comprises: the filter comprises a first connecting pipe, a filter tip, a breathing filter, a gas pressure gauge, a three-way joint, a second connecting pipe and an air bag; filter tip and respiratory filter all can dismantle seal installation on the left port of first connecting pipe, the right port of first connecting pipe and three way connection's left port sealing connection, three way connection's last port and gas pressure gauge sealing connection, three way connection's right port and the left port sealing connection of second connecting pipe, the right port and the gasbag sealing connection of second connecting pipe, this kind of visual quantization device of Valsalva action, help the patient to accomplish the Valsalva action, it is standardized, the quantization, visual Valsalva action, moreover, the steam generator is simple in structure, easy preparation, low cost, high durability and convenient use, and high popularization.

However, because of different individual differences, there is no accurate definition and no corresponding detection device for whether the VALSALVA action meets the medically necessary standard, which causes the problem that the accuracy is not enough in the aspect of the induced action of increasing the thoracic pressure, and further affects the positive rate of the examination result of the foaming test.

Disclosure of Invention

In view of the above, the invention provides an inspiration quantitative analysis device and an inspiration quantitative analysis method for a transcranial doppler ultrasound foaming test, which aim to solve the problem that the existing VALSALVA is not accurate enough in action and affects the positive rate of the foaming test.

In order to achieve the above purpose, one of the present invention provides the following technical solutions:

the transcranial Doppler ultrasonic foaming test inspiration quantitative analysis device comprises an air bag belt, wherein connecting boxes are bonded on two sides of the air bag belt, a supporting frame is integrally processed on the side face of each connecting box, a display screen, a processor and a battery are fixedly mounted inside each supporting frame, an air pressure sensor is bonded inside each air bag belt, the output end of each battery is electrically connected with the display screen, the processor and the input end of the air pressure sensor in a one-way mode, the output end of the processor is electrically connected with the input end of the display screen in a one-way mode, the input end of the processor is electrically connected with the output end of the air pressure sensor in a one-way mode, fixing belts clamped with the two connecting boxes are arranged at the bottom of the air bag belt, a micro motor is fixedly mounted at an opening in the top of each connecting box, the output end of the micro motor is connected with a lead screw, and a sliding block is connected to the surface of the lead screw in a threaded mode, the bottom of slider articulates there is the transfer line, the bottom of transfer line articulates there is the articulated slab, the equal bolt in both ends of articulated slab has the driving rope, the inside of connecting box and the bottom that is located the articulated slab rotate and be connected with the double round group, the inside front side of double round group and rear side are respectively with the bottom winding of two driving ropes, the front side rotation of double round group is connected with the sliding sleeve, the inside sliding connection of sliding sleeve has the slide bar, the top welding of slide bar has the rack, the top meshing of rack has latch mechanism, latch mechanism and fixed band joint, the meshing of the top on lead screw surface has adjustment mechanism.

The beneficial effect of this basic scheme lies in: the invention can detect and analyze whether the VALSALVA action meets the necessary medical standard or not, ensures the positive rate of the detection result of the foaming test, adopts the clamping mechanism to carry out clamping and limiting, can prevent the air bag belt from loosening in the operation process and influencing the detection result, and can fasten the air bag belt and the fixing belt in the clamping and limiting process by the adjusting mechanism, thereby enhancing the stability of the equipment.

Further, latch mechanism includes the pinion, the bottom of pinion and the top meshing of rack, the rear side welded of pinion has the helical gear, the axle center department of helical gear is connected with the internal rotation of connecting box, the bottom meshing of helical gear has the drive wheel, the fixed cover of axle center department of drive wheel has connect the worm, it has cup jointed the support to rotate between the both ends of worm, the bottom of support and the internal weld of connecting box, the top meshing of worm has the worm wheel, the axle center department of worm wheel is connected with the internal rotation of connecting box, the top welding of worm wheel has the baffle, the top of baffle articulates there is the sliding frame, the internal sliding connection of sliding frame has the joint to press from both sides, the bottom of joint clamp is articulated with the inside of connecting box, the side that the joint pressed from both sides corresponds with the side of fixed band, beneficial effect: the micro motor drives the clamping mechanism through the lead screw, the sliding block, the transmission rod, the hinged plate, the transmission rope, the double wheel set, the sliding sleeve, the sliding rod and the rack, the clamping mechanism clamps the limiting fixing belt, the air bag belt and the fixing belt are installed and fixed, and the phenomena of falling off and the like are prevented.

Further, adjustment mechanism includes the fifth wheel, the axle center department of fifth wheel is connected with the internal rotation of connecting box, the tooth of fifth wheel and the surface engagement of lead screw, the rear side welding of fifth wheel has big sprocket, the surface engagement of big sprocket has the chain, the internal engagement of chain has little sprocket, the rear side welding of little sprocket has the friction pulley, the axle center department of friction pulley is connected with the internal rotation of connecting box, the side of friction pulley is connected with the side transmission of fixed band, beneficial effect: micro motor passes through the lead screw and drives adjustment mechanism and rotate, and adjustment mechanism drives the fixed band at the fixed in-process of latch mechanism joint and shifts up, and taut fixed band lets keep fastening state between gasbag area and the fixed band, conveniently carries out detection and analysis.

Further, the bottom that the joint pressed from both sides is rotated and is connected with the auxiliary wheel, the side of auxiliary wheel and the side sliding connection of fixed band, beneficial effect: the auxiliary wheel may be used for insertion mounting of the auxiliary plate and the fixing band.

Further, one side that the sliding frame was kept away from to the joint clamp is bonded with the friction plate, the one side that the friction plate is close to the fixed band is protruding type block structure, beneficial effect: the friction plate may increase the friction of the snap clamp.

Further, helical gear and drive wheel are the skewed tooth gear, the top of baffle is to fixed band lopsidedness, beneficial effect: the transmission of the structure is convenient.

Further, the surperficial sliding connection of rack has the stop collar, the rear side of stop collar and the inside weld of connecting box, beneficial effect: the stop collar can slide the rack and be limited.

Further, the bayonet socket has all been seted up to the top and the bottom of connecting box, the fixed band is located the inside of bayonet socket, beneficial effect: the bayonet can be used for inserting the auxiliary plate and the fixing strap.

Furthermore, the two ends of the fixing band are both bonded with auxiliary plates, the auxiliary plates are made of plastic plates, and the fixing band has the advantages that: the fixing band is convenient to insert and fix.

To achieve the above object, the second invention provides the following technical solutions:

the transcranial Doppler ultrasonic foaming test inspiration quantitative analysis method comprises the following steps:

s1: filling a certain amount of gas into the air bag belt, detecting the pressure value inside the air bag belt by using an air pressure sensor, transmitting the numerical value to a processor, and storing the numerical value by using a storage device and displaying the numerical value on a display screen by using the processor;

s2: the fixing band is placed on the back of a user, the air bag band is placed on the waist of the user, the fixing band is inserted into a bayonet of the connecting box, then the fixing band is tensioned, and the fixing band is tensioned by the micro motor through the adjusting mechanism;

s3: in the process of tensioning the fixing belt, the micro motor clamping mechanism rotates, and the clamping mechanism is clamped with the limiting fixing belt;

s4: during testing, a tester breathes in at best, a pressure value is recorded in the process of breathing in, then the tester keeps a gas-closed state, the gas-closed time is recorded, then the tester breathes out quickly, and the pressure sensor and the processor record the time and the pressure value, so that sample collection can be carried out by repeated operation, and a reference range of a gas pressure value is formed;

s5: at the time of final testing, it was considered acceptable that the wearer's air pressure data was within this range.

The invention has the beneficial effects that:

1. the invention discloses a transcranial Doppler ultrasonic foaming test inspiration quantitative analysis device, which is characterized in that an air pressure sensor is arranged in a long strip-shaped air bag belt, fixed structures are arranged on two sides of the long strip-shaped air bag belt, a processor and a display are further arranged for processing data, the air pressure sensor is used for detecting the pressure value in the air bag belt, when the data of the pressure value is in a qualified range, the pressure value is considered to be acceptable, and the VALSALVA action is considered to reach the necessary medical standard.

2. According to the transcranial Doppler ultrasonic foaming test inspiration quantitative analysis equipment disclosed by the invention, the micro motor drives the sliding block to move through the lead screw, the sliding block drives the hinged plate to rotate through the transmission rod, the hinged plate drives the double-wheel set to rotate through the transmission rope, the double-wheel set drives the sliding rod to move through the sliding sleeve, the sliding rod drives the clamping mechanism through the rack, and the clamping mechanism is clamped with the limiting fixing belt, so that the installation and fixation of the airbag belt and the fixing belt are completed, and the phenomena of falling off and the like are prevented.

3. According to the transcranial Doppler ultrasonic foaming test inspiration quantitative analysis equipment disclosed by the invention, the micro motor drives the adjusting mechanism to rotate through the screw rod, the adjusting mechanism drives the fixing belt to move upwards in the clamping and fixing process of the clamping mechanism, the fixing belt is tightened, the fastening state between the air bag belt and the fixing belt is kept, and the detection and analysis are convenient.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic front view of the apparatus for quantitative analysis of inspiration through transcranial Doppler ultrasound foaming test according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of a connection box in the transcranial Doppler ultrasound foaming test inspiration quantitative analysis device of the invention;

FIG. 3 is a schematic view of a worm structure in the transcranial Doppler ultrasound foaming test inspiration quantitative analysis device of the invention;

FIG. 4 is a schematic view of a dual-wheel set in the transcranial Doppler ultrasound foaming test inspiration quantitative analysis device of the invention;

FIG. 5 is a schematic perspective view of a rack in the transcranial Doppler ultrasound foaming test inspiration quantitative analysis device of the invention;

FIG. 6 is a schematic diagram of the connection structure of the processor in the inhaling quantitative analysis device for transcranial Doppler ultrasound foaming test according to the present invention.

Reference numerals: 1-air bag belt, 2-connecting box, 3-supporting frame, 4-clamping mechanism, 41-pinion, 42-helical gear, 43-driving wheel, 44-worm, 45-bracket, 46-worm wheel, 47-guide plate, 48-sliding frame, 49-clamping clamp, 5-adjusting mechanism, 51-connecting wheel, 52-large chain wheel, 53-chain, 54-small chain wheel, 55-friction wheel, 6-display screen, 7-processor, 8-battery, 9-air pressure sensor, 10-fixing belt, 11-micro motor, 12-lead screw, 13-sliding block, 14-transmission rod, 15-hinged plate, 16-transmission rope, 17-double wheel set, 18-sliding sleeve, 19-sliding rod, 20-rack, 21-auxiliary wheel, 22-friction plate, 23-limit sleeve, 24-bayonet and 25-auxiliary plate.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

The transcranial Doppler ultrasound foaming test inspiration quantitative analysis equipment shown in figures 1-6 comprises an air bag belt 1, wherein connecting boxes 2 are bonded on two sides of the air bag belt 1, a supporting frame 3 is integrally processed on one side, far away from the air bag belt 1, of each connecting box 2, a display screen 6, a processor 7 and a battery 8 are fixedly mounted inside each supporting frame 3, an air pressure sensor 9 is bonded inside the air bag belt 1, the output end of each battery 8 is respectively and unidirectionally electrically connected with the input ends of the display screen 6, the processor 7 and the air pressure sensor 9, the output end of the processor 7 is unidirectionally and electrically connected with the input end of the display screen 6, the input end of the processor 7 is unidirectionally and electrically connected with the output end of the air pressure sensor 9, the battery 8 is used for providing a power supply, the processor 7 is used for processing and recording and storing data, the display screen 6 is used for displaying pressure values, the air pressure sensor 9 can detect air pressure inside the air bag belt 1, when the air bag belt 1 is pressed, the air pressure sensor 9 can be used for recording air pressure in time, so that the air pressure of a wearer during VALSALVA action can be conveniently observed in real time, and whether the air pressure meets the necessary medical standard or not is detected.

The bottom of gasbag area 1 is provided with the fixed band 10 with 2 joints of two connecting boxes, the both ends of fixed band 10 all adhere there is accessory plate 25, accessory plate 25 is made by the plastic slab, bayonet socket 24 has all been seted up to the top and the bottom of connecting box 2, fixed band 10 is located bayonet socket 24's inside, accessory plate 25 is used for the assistance to insert bayonet socket 24, conveniently drive fixed band 10 and insert connecting box 2, can be quick effectual fixed gasbag area 1 and fixed band 10, the quick wearing of person of facilitating the use, the efficiency of wearing is strengthened.

A micro motor 11 is fixedly installed at an opening at the top of the connecting box 2, the output end of the micro motor 11 extends into the connecting box 2 and is connected with a screw rod 12, a sliding block 13 is connected with the surface thread of the screw rod 12, the side surface of the sliding block 13 is connected with the inside of the connecting box 2 in a sliding way, the bottom of the sliding block 13 is hinged with a transmission rod 14, the bottom end of the transmission rod 14 is hinged with a hinged plate 15, two ends of the hinged plate 15 are respectively bolted with a transmission rope 16, a double wheel set 17 is rotatably connected with the inside of the connecting box 2 and positioned at the bottom of the hinged plate 15, the front side and the rear side inside the double wheel set 17 are respectively wound with the bottom ends of the two transmission ropes 16, a sliding sleeve 18 is rotatably connected with the front side of the double wheel set 17, a sliding rod 19 is slidably connected with the inside of the sliding sleeve 18, a rack 20 is welded at the top end of the sliding rod 19, a limiting sleeve 23 is slidably connected with the surface of the rack 20, and the rear side of the limiting sleeve 23 is welded with the inside of the connecting box 2, the screw rod 12 can drive the slide block 13 to move downwards, the slide block 13 can drive the transmission rod 14 to move downwards, the transmission rod 14 can drive the hinged plate 15 to rotate, the hinged plate 15 can drive the transmission rope 16 on the inner side to move upwards, the transmission rope 16 on the outer side to move downwards, the transmission rope 16 on the inner side is wound on the inner side of the double-wheel set 17, the transmission rope 16 on the outer side is wound on the outer side of the double-wheel set 17, the transmission rope 16 on the inner side drives the double-wheel set 17 to rotate, the transmission rope 16 on the outer side is wound on the rotating double-wheel set 17, the double-wheel set 17 drives the sliding sleeve 18 to rotate inwards, the sliding sleeve 18 slides on the surface of the sliding rod 19 and drives the sliding rod 19 to move inwards, the sliding rod 19 drives the rack 20 to move inwards, the rack 20 slides and limits in the limiting sleeve 23, when the clamping state needs to be released, the screw rod 12 can drive the slide block 13 to move upwards, the transmission rod 14 can drive the hinged plate 15 to rotate reversely, the hinged plate 15 can drive the inner side transmission rope 16 to move downwards, the outer side transmission rope 16 to move upwards, the inner side transmission rope 16 is wound on the inner side of the double-wheel set 17, the outer side transmission rope 16 is wound on the outer side of the double-wheel set 17, the outer side transmission rope 16 drives the double-wheel set 17 to rotate in the reverse direction, the double-wheel set 17 winds the inner side transmission rope 16 in the reverse direction, the double-wheel set 17 drives the sliding sleeve 18 to rotate outwards, the sliding sleeve 18 slides on the surface of the sliding rod 19 and drives the sliding rod 19 to move outwards, the sliding rod 19 drives the rack 20 to move outwards, and the rack 20 is limited in the limiting sleeve 23 in a sliding mode.

The top of the rack 20 is engaged with a clamping mechanism 4, the clamping mechanism 4 is clamped with the fixing belt 10, the clamping mechanism 4 comprises a pinion 41, the bottom of the pinion 41 is engaged with the top of the rack 20, a helical gear 42 is welded on the rear side of the pinion 41, the axis of the helical gear 42 is rotatably connected with the inside of the connecting box 2, a transmission wheel 43 is engaged with the bottom of the helical gear 42, a worm 44 is fixedly sleeved on the axis of the transmission wheel 43, a bracket 45 is rotatably sleeved between two ends of the worm 44, the bottom of the bracket 45 is welded with the inside of the connecting box 2, the top of the worm 44 is engaged with a worm wheel 46, the axis of the worm wheel 46 is rotatably connected with the inside of the connecting box 2, a guide plate 47 is welded on the top of the worm wheel 46, a sliding frame 48 is hinged on the top of the guide plate 47, a clamping clamp 49 is slidably connected inside the sliding frame 48, the bottom of the clamping clamp 49 is hinged with the inside of the connecting box 2, when in clamping, the rack 20 drives the pinion 41 to rotate, the pinion 41 drives the bevel gear 42 to rotate, the bevel gear 42 drives the driving wheel 43 to rotate, the driving wheel 43 drives the worm 44 to rotate, the worm 44 drives the worm wheel 46 to rotate, the worm wheel 46 drives the guide plate 47 to rotate inwards, the guide plate 47 drives the sliding frame 48 to move downwards, the sliding frame 48 slides on the outer side of the clamping clamp 49 and drives the clamping clamp 49 to rotate inwards, the rotating clamping clamp 49 drives the friction plate 22 to cling to the clamping fixing belt 10, and therefore the fixing clamping of the fixing belt 10 and the air bag belt 1 is completed.

When the strap is loosened, the rack 20 drives the pinion 41 to rotate reversely, the pinion 41 drives the bevel gear 42 to rotate reversely, the bevel gear 42 drives the driving wheel 43 to rotate reversely, the driving wheel 43 drives the worm 44 to rotate reversely, the worm 44 drives the worm wheel 46 to rotate reversely, the worm wheel 46 drives the guide plate 47 to rotate reversely outwards, the guide plate 47 drives the sliding frame 48 to move upwards, the sliding frame 48 slides on the outer side of the clamping clip 49 and drives the clamping clip 49 to rotate reversely, the clamping clip 49 rotating reversely drives the friction plate 22 to leave the strap 10, so that the strap 10 can be drawn out, the side surface of the clamping clip 49 corresponds to the side surface of the strap 10, the bottom end of the clamping clip 49 is rotatably connected with the auxiliary wheel 21, the side surface of the auxiliary wheel 21 is slidably connected with the side surface of the strap 10, the auxiliary wheel 21 can assist in inserting the correction auxiliary plate 25 to prevent the auxiliary plate 25 from being clamped into the connecting box 2, the side of the clamping clip 49 away from the sliding frame 48 is bonded with the friction plate 22, one side of the friction plate 22 close to the fixing belt 10 is a convex block structure, the friction plate 22 can increase the friction force of the clamping clamp 49 and increase the friction resistance between the fixing belt 10 and the clamping clamp 49, the helical gear 42 and the transmission wheel 43 are helical gears, the top end of the guide plate 47 inclines towards one side of the fixing belt 10, the top end of the surface of the screw rod 12 is engaged with the adjusting mechanism 5, the adjusting mechanism 5 comprises a connecting wheel 51, the axial center of the connecting wheel 51 is rotatably connected with the inside of the connecting box 2, the teeth of the connecting wheel 51 are engaged with the surface of the screw rod 12, the rear side of the connecting wheel 51 is welded with a large chain wheel 52, the surface of the large chain wheel 52 is engaged with a chain 53, the inside of the chain 53 is engaged with a small chain wheel 54, the rear side of the small chain wheel 54 is welded with a friction wheel 55, the axial center of the friction wheel 55 is rotatably connected with the inside of the connecting box 2, the side of the friction wheel 55 is in transmission connection with the side of the fixing belt 10, when the fixing belt 10 and the airbag belt 1 are tightened, micro motor 11 drives lead screw 12 and rotates, lead screw 12 drives fifth wheel 51 and rotates, fifth wheel 51 drives big sprocket 52 and rotates, big sprocket 52 drives chain 53 and rotates, chain 53 drives little sprocket 54 and rotates, little sprocket 54 drives friction pulley 55 and rotates, friction pulley 55 drives fixed band 10 and moves up, can further taut fixed band 10 and airbag area 1 like this, when needing to loosen, micro motor 11 drives lead screw 12 antiport, lead screw 12 drives fifth wheel 51 antiport, fifth wheel 51 drives big sprocket 52 antiport, big sprocket 52 drives chain 53 antiport, chain 53 drives little sprocket 54 antiport, little sprocket 54 drives friction pulley 55 antiport, friction pulley 55 drives fixed band 10 and moves down, fixed band 10 and airbag area 1 can loosen like this.

The using method of the transcranial Doppler ultrasonic foaming test inspiration quantitative analysis equipment comprises the steps of filling a certain amount of gas into an air bag belt 1, detecting a pressure value in the air bag belt 1 by using an air pressure sensor 9, wherein the pressure value is a normal pressure when the air bag belt 1 is not worn, transmitting the numerical value of the pressure value to a processor 7, storing the numerical value by using a storage device by using the processor 7, displaying the numerical value on a display screen 6, placing a fixing belt 10 on the back of a tester by using a storage device, placing an auxiliary plate 25 of the fixing belt 10 into a bayonet 24 of a connecting box 2, pulling up the auxiliary plate 25, driving the fixing belt 10 to move upwards by using the auxiliary plate 25, tensioning the fixing belt 10 and the air bag belt 1, starting a micro motor 11, driving a screw rod 12 to rotate by using the micro motor 11, the lead screw 12 drives the connecting wheel 51 to rotate, the connecting wheel 51 drives the large chain wheel 52 to rotate, the large chain wheel 52 drives the chain 53 to rotate, the chain 53 drives the small chain wheel 54 to rotate, the small chain wheel 54 drives the friction wheel 55 to rotate, and the friction wheel 55 drives the fixing belt 10 to move upwards, so that the fixing belt 10 and the air bag belt 1 can be further tensioned.

During the process of tightening the fixing band 10 and the airbag band 1, the rotating lead screw 12 drives the sliding block 13 to move downwards, the sliding block 13 drives the transmission rod 14 to move downwards, the transmission rod 14 drives the hinged plate 15 to rotate, the hinged plate 15 drives the transmission rope 16 on the inner side to move upwards, the transmission rope 16 on the outer side to move downwards, the transmission rope 16 on the inner side is wound on the inner side of the double-wheel set 17, the transmission rope 16 on the outer side is wound on the outer side of the double-wheel set 17, the transmission rope 16 on the inner side drives the double-wheel set 17 to rotate, the rotating double-wheel set 17 winds the transmission rope 16 on the outer side, the double-wheel set 17 drives the sliding sleeve 18 to rotate inwards, the sliding sleeve 18 slides on the surface of the sliding rod 19 and drives the sliding rod 19 to move inwards, the sliding rod 19 drives the rack 20 to move inwards, the rack 20 slides and limits on the inner part of the limiting sleeve 23, the rack 20 drives the pinion 41 to rotate, the pinion 41 drives the helical gear 42 to rotate, the helical gear 42 drives the transmission wheel 43 to rotate, the transmission wheel 43 drives the worm 44 to rotate, the worm 44 drives the worm wheel 46 to rotate, the worm wheel 46 drives the guide plate 47 to rotate inwards, the guide plate 47 drives the sliding frame 48 to move downwards, the sliding frame 48 slides outside the clamping clamp 49 and drives the clamping clamp 49 to rotate inwards, and the rotating clamping clamp 49 drives the friction plate 22 to be tightly attached to and clamped with the fixing strap 10, so that the fixing and clamping of the fixing strap 10 and the air bag strap 1 are completed.

During the test, the tester breathes in, the gasbag area 1 receives the extrusion of tester's abdomen portion in the process of breathing in, baroceptor 9 records the pressure value change of gasbag area 1 inside, then the tester keeps the state of blocking, the time of the record of blocking, the tester exhales fast afterwards, baroceptor 9 and processor 7 record the time of test and the pressure value after exhaling, so repetitive operation just can carry out sample acquisition, form the reference range of atmospheric pressure numerical value, during final test, the atmospheric pressure numerical value data of wearing personnel are located this scope and are regarded as acceptable promptly.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.