CN110811577A - A simulation device of the human respiratory system - Google Patents
A simulation device of the human respiratory systemDownload PDFInfo
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- A—HUMAN NECESSITIES
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Abstract
Translated fromChinese
Description
Translated fromChinese技术领域technical field
本发明涉及医疗器械技术领域，特别涉及一种人体呼吸系统的模拟装置。The invention relates to the technical field of medical devices, in particular to a simulation device of a human respiratory system.
背景技术Background technique
人体医学监护常规的参数包括：呼吸次数/分钟、心律(心率)或脉搏、血氧饱和度、血压等，此类监护设备中均设计有专门的不同类型的传感器进行人体不同生理参数的采集。The routine parameters of human medical monitoring include: respiration rate/min, heart rate (heart rate) or pulse, blood oxygen saturation, blood pressure, etc. These monitoring devices are designed with special different types of sensors to collect different physiological parameters of the human body.
目前，对于基于此类新型传感器所设计的监护设备的检测和标定，多用于更高精度的标定设备来标定或者采用临床测试来标定。然而，由于人体脉搏与呼吸两项生理参数在正常的活动下互有干扰，因此，目前常规的监护技术中对呼吸与脉搏两项参数的独立采集和分析均存在一定的技术缺陷；此新型传感器的主要原理就是将人体的呼吸与脉搏两项生理参数结合起来进行检测并判断人体生理运行是否正常，考虑到更高精度的标定设备尚未有实际产品，并且临床测试又费时费力，因此，现如今难以完成此新型传感器的标定和测试。At present, for the detection and calibration of monitoring equipment designed based on such new sensors, it is mostly used for calibration of higher-precision calibration equipment or by clinical tests. However, because the two physiological parameters of human body's pulse and respiration interfere with each other under normal activities, there are certain technical defects in the independent acquisition and analysis of the two parameters of respiration and pulse in the current conventional monitoring technology; this new sensor The main principle is to combine the two physiological parameters of the human body's breathing and pulse to detect and determine whether the physiological operation of the human body is normal. Considering that there is no actual product for higher-precision calibration equipment, and clinical testing is time-consuming and labor-intensive, nowadays, Calibration and testing of this new sensor is difficult to complete.
因此，如何避免由于缺少相关设备而导致难以完成新型传感器的标定和测试是本领域技术人员目前需要解决的技术问题。Therefore, how to avoid the difficulty in completing the calibration and testing of new sensors due to lack of related equipment is a technical problem that those skilled in the art need to solve at present.
发明内容SUMMARY OF THE INVENTION
本发明的目的是提供一种人体呼吸系统的模拟装置，该模拟装置可以参考人体呼吸系统的生理工作原理，结合电气电子的控制技术，实现人体呼吸系统的运行模拟，从而可以进一步实现对于新型传感器的标定和测试。The purpose of the present invention is to provide a simulation device of the human respiratory system, which can refer to the physiological working principle of the human respiratory system and combine the control technology of electrical and electronic to realize the operation simulation of the human respiratory system, so as to further realize the operation simulation of the human respiratory system. calibration and testing.
为实现上述目的，本发明提供一种人体呼吸系统的模拟装置，包括：In order to achieve the above object, the present invention provides a simulation device of the human respiratory system, comprising:
气囊；airbag;
与所述气囊连接、用以供所述气囊收缩和膨胀的推拉机构；a push-pull mechanism connected with the airbag for the airbag to contract and expand;
设有排气阀的空心通气轴，所述排气阀用以控制所述空心通气轴的通断，所述空心通气轴的第一端与所述气囊相连；a hollow ventilation shaft provided with an exhaust valve, the exhaust valve is used to control the opening and closing of the hollow ventilation shaft, and the first end of the hollow ventilation shaft is connected with the air bag;
设有两个进出气口的壳体，所述空心通气轴的第二端伸入所述壳体的内部；a casing with two air inlets and outlets, and the second end of the hollow vent shaft extends into the interior of the casing;
两个设于所述壳体的内部并与所述进出气口一一对应设置的通堵空心气针，任一所述通堵空心气针用以封堵所述进出气口。There are two open-blocking hollow gas needles arranged inside the casing and corresponding to the air inlet and outlet, and any one of the open-blocking hollow gas needles is used to block the air inlet and outlet.
可选地，所述推拉机构包括：Optionally, the push-pull mechanism includes:
步进电机；stepper motor;
与所述步进电机连接、用以传递所述步进电机的运动与动力的传动机构；a transmission mechanism connected with the stepping motor for transmitting the motion and power of the stepping motor;
设于所述传动机构和所述气囊之间并与所述传动机构和所述气囊连接的推拉板。A push-pull plate arranged between the transmission mechanism and the airbag and connected with the transmission mechanism and the airbag.
可选地，所述传动机构包括：Optionally, the transmission mechanism includes:
与所述步进电机连接的第一齿轮；a first gear connected with the stepper motor;
与所述第一齿轮啮合的第二齿轮；a second gear meshed with the first gear;
可拆卸地连接于所述第二齿轮和所述推拉板上、用以带动所述推拉板运动的连杆。A connecting rod that is detachably connected to the second gear and the push-pull plate and used to drive the push-pull plate to move.
可选地，所述推拉板设有：Optionally, the push-pull plate is provided with:
用以供所述气囊以第一预设力度收缩与膨胀的第一连接端；a first connecting end for the airbag to contract and expand with a first preset force;
用以供所述气囊以第二预设力度收缩与膨胀的第二连接端；a second connecting end for the airbag to contract and expand with a second preset force;
用以供所述气囊以第三预设力度收缩与膨胀的第三连接端，且所述第一连接端、所述第二连接端和所述第三连接端三者沿靠近所述步进电机的方向依次排布；a third connection end for the airbag to contract and expand with a third preset force, and the first connection end, the second connection end and the third connection end are close to the step The directions of the motors are arranged in sequence;
所述连杆上设有三个沿所述连杆的轴向成排分布、用以与所述第二齿轮连接的连接孔。The connecting rod is provided with three connecting holes arranged in a row along the axial direction of the connecting rod and used for connecting with the second gear.
可选地，所述空心通气轴包括：Optionally, the hollow vent shaft includes:
第一连接段，所述第一连接段的第一端与所述气囊连接，所述第一连接段的第二端与所述排气阀连接；a first connection segment, the first end of the first connection segment is connected with the airbag, and the second end of the first connection segment is connected with the exhaust valve;
第二连接段，所述第二连接段的第一端与所述排气阀连接，所述第二连接段的第二端用以连接角接触轴承；a second connection segment, the first end of the second connection segment is connected to the exhaust valve, and the second end of the second connection segment is used to connect the angular contact bearing;
可相对所述第二连接段转动的第三连接段，所述第三连接段的第一端与所述角接触轴承连接，所述第三连接段的第二端用以伸入所述壳体的内部并能够使所述气囊中的气体进入所述壳体内。a third connecting segment rotatable relative to the second connecting segment, the first end of the third connecting segment is connected with the angular contact bearing, and the second end of the third connecting segment is used to extend into the shell the interior of the body and enable the gas in the airbag to enter the housing.
可选地，所述第三连接段连接有用以带动所述第三连接段沿其轴向旋转的环形电机；其中，所述环形电机的内环通过楔形轴套与所述第三连接段固接，所述环形电机的外环连接有用以支撑所述环形电机和所述第三连接段的支座。Optionally, the third connecting segment is connected with an annular motor for driving the third connecting segment to rotate along its axial direction; wherein, the inner ring of the annular motor is fixed to the third connecting segment through a wedge-shaped bushing. Then, the outer ring of the ring motor is connected with a support for supporting the ring motor and the third connecting section.
可选地，所述壳体的内部设有与所述第三连接段固接、用以推动两个所述通堵空心气针沿其轴向移动的转动斜台。Optionally, the inside of the casing is provided with a rotating inclined table fixedly connected with the third connecting section and used to push the two through-blocking hollow gas needles to move along the axial direction thereof.
可选地，所述转动斜台靠近所述通堵空心气针的一侧设有用以与两个所述通堵空心气针接触配合的斜面，任一所述通堵空心气针靠近所述斜面的一端连接有用以与所述斜面接触的万向球组件。Optionally, a side of the rotating inclined table close to the open-blocking hollow gas needle is provided with a slope for contacting and matching with the two open-blocking hollow gas needles, and any one of the open-blocking hollow gas needles is close to the One end of the inclined surface is connected with a universal ball assembly for contacting the inclined surface.
可选地，任一所述通堵空心气针的外部设有与所述壳体的内壁接触相抵、用以供所述通堵空心气针复位的压缩弹簧。Optionally, a compression spring is provided on the outside of any one of the through-blocking hollow gas needles, which is in contact with the inner wall of the housing and is used for restoring the through-blocking hollow gas needle.
可选地，还包括设于所述步进电机上、用以检测所述步进电机的转速的光电编码器以及与所述光电编码器相连、用以控制所述步进电机转速的主控制器。Optionally, it also includes a photoelectric encoder arranged on the stepping motor to detect the rotational speed of the stepping motor, and a main controller connected to the photoelectric encoder to control the rotational speed of the stepping motor. device.
相对于上述背景技术，本发明针对模拟人体呼吸系统的不同要求，设计了一种人体呼吸系统的模拟装置，具体来说，上述人体呼吸系统的模拟装置包括气囊、推拉机构、空心通气轴和壳体，其中，气囊为可收缩的气囊，推拉机构与气囊连接并可以通过推拉动作实现气囊的收缩和膨胀；空心通气轴的第一端与气囊相连，空心通气轴上设有排气阀，排气阀用于控制空心通气轴的通断；壳体上设有两个进出气口，空心通气轴的第二端伸入壳体的内部，空心通气轴能够将气囊中的气体输送至壳体内的气腔中，壳体的内部还设有两个与进出气口一一对应设置的通堵空心气针，任一通堵空心气针用于封堵进出气口。Compared with the above-mentioned background technology, the present invention designs a simulation device for the human respiratory system according to the different requirements of simulating the human respiratory system. The airbag is a retractable airbag, and the push-pull mechanism is connected with the airbag and can realize the contraction and expansion of the airbag through the push-pull action; The air valve is used to control the opening and closing of the hollow ventilation shaft; the casing is provided with two air inlets and outlets, the second end of the hollow ventilation shaft extends into the interior of the casing, and the hollow ventilation shaft can transport the gas in the airbag to the airbag in the casing. In the air cavity, the inside of the casing is also provided with two open-blocking hollow gas needles corresponding to the air inlet and outlet, and any open-blocking hollow air needle is used to block the air inlet and outlet.
这样一来，上述人体呼吸系统的模拟装置通过推拉机构驱动气囊使其收缩与膨胀来模拟人体膈肌的呼吸工作，并通过排气阀的开闭来模拟人体咽部的呼吸工作，同时通过空心通气轴、壳体上的两个进出气口以及两个通堵空心气针来模拟人体的鼻和嘴的呼吸工作；上述设置方式采用机电模拟的方式可以直接实现人体的呼吸模拟，从而可以进一步应用于新型传感器的标定和测试，且该模拟装置速度快、效率高，与临床上直接用于人体测试相比，该模拟装置不受人体异常干扰，且可以重复使用。In this way, the above-mentioned simulation device of the human respiratory system simulates the breathing work of the human diaphragm by driving the airbag to contract and expand by the push-pull mechanism, and simulates the breathing work of the human pharynx by opening and closing the exhaust valve. The shaft, the two air inlets and outlets on the shell and the two hollow air needles are used to simulate the breathing work of the nose and mouth of the human body; the above setting method adopts the electromechanical simulation method to directly realize the breathing simulation of the human body, which can be further applied to The new sensor is calibrated and tested, and the simulation device has high speed and high efficiency. Compared with the clinical use of the simulation device for human body testing, the simulation device is not disturbed by abnormal human body and can be used repeatedly.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative work.
图1为本发明实施例公开的一种人体呼吸系统的模拟装置结构示意图。FIG. 1 is a schematic structural diagram of a simulation device of a human respiratory system disclosed in an embodiment of the present invention.
其中：in:
1-步进电机、2-第一齿轮、3-第二齿轮、4-连杆、5-推拉板、6-气囊、7-排气阀、8-空心通气轴、81-第一连接段、82-第二连接段、83-第三连接段、9-角接触轴承、10-环形电机、11-转动斜台、12-壳体、13-第一通堵空心气针、14-第二通堵空心气针、15-第一进出气口、16-第二进出气口、17-支座。1-stepping motor, 2-first gear, 3-second gear, 4-connecting rod, 5-push-pull plate, 6-airbag, 7-exhaust valve, 8-hollow vent shaft, 81-first connecting segment , 82-Second connecting section, 83-Third connecting section, 9-Angular contact bearing, 10-Ring motor, 11-Rotating inclined table, 12-Housing, 13-First through-blocking hollow gas needle, 14-No. Two-way blocking hollow gas needle, 15-first air inlet and outlet, 16-second air inlet and outlet, 17-support.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
本发明的核心是提供一种人体呼吸系统的模拟装置，该模拟装置可以参考人体呼吸系统的生理工作原理，结合电气电子的控制技术，实现人体呼吸系统的运行模拟，从而可以进一步实现对于新型传感器的标定和测试。The core of the present invention is to provide a simulation device of the human respiratory system. The simulation device can refer to the physiological working principle of the human respiratory system and combine electrical and electronic control technology to realize the operation simulation of the human respiratory system, so as to further realize the operation simulation of the human respiratory system. calibration and testing.
为了使本技术领域的技术人员更好地理解本发明方案，下面结合附图和具体实施方式对本发明作进一步的详细说明。In order to make those skilled in the art better understand the solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
需要说明的是，下文所述的“上端、下端、左侧、右侧”等方位词都是基于说明书附图所定义的。It should be noted that the directional terms such as "upper end, lower end, left side, right side" described below are all defined based on the drawings in the description.
请参考图1，图1为本发明实施例公开的一种人体呼吸系统的模拟装置结构示意图。Please refer to FIG. 1 , which is a schematic structural diagram of a device for simulating a human respiratory system disclosed in an embodiment of the present invention.
本发明实施例所提供的人体呼吸系统的模拟装置，用于模拟人体呼吸系统，从而可以应用于新型传感器的标定和测试，此类新型传感器应用于人体呼吸系统的模拟装置可以对人体的呼吸和脉搏两项生理参数进行采集。该模拟装置包括气囊6、推拉机构、空心通气轴8和壳体12，其中，气囊6为可收缩的气囊，推拉机构与气囊6连接并可以通过推拉动作实现气囊6的收缩和膨胀；空心通气轴8的第一端(右端)与气囊6相连，空心通气轴8上设有排气阀7，排气阀7用于控制空心通气轴8的通断；壳体12上设有两个进出气口，空心通气轴8的第二端(左端)伸入壳体12的内部，在排气阀7处于打开的状态下，空心通气轴8能够将气囊6中的气体输送至壳体12内的气腔中，壳体12的内部还设有两个与进出气口一一对应设置的通堵空心气针，任一通堵空心气针用于封堵进出气口。The simulation device of the human respiratory system provided by the embodiment of the present invention is used to simulate the human respiratory system, so that it can be applied to the calibration and testing of novel sensors. Two physiological parameters of pulse were collected. The simulation device includes an
当然，根据实际需要，上述推拉机构具体可以包括推拉板5和驱动机构，驱动机构用于驱动推拉板5，从而实现气囊6的收缩和膨胀，气囊6可以设置为橡胶材质的气囊；排气阀7具体可以设置为电磁排气阀，在气囊6的收缩与膨胀的过程中，气囊6中的气体均会经过排气阀7，从而通过空心通气轴8进入壳体12的内部。该排气阀7可以设置为常开阀，也就是说，当排气阀7处于开启状态时，排气阀7可以模拟人体咽部的张开状态，即可以进行正常的呼吸工作；当排气阀7处于关闭状态，即排气阀7切断了空心通气轴8的内部气腔时，排气阀7可以模拟人体咽部的闭合状态，此时，咽部的呼吸关闭，人体膈肌(气囊6)的收缩和膨胀均不会实现人体(两个进出气口)呼吸。Of course, according to actual needs, the above-mentioned push-pull mechanism may specifically include a push-
此外，上述两个进出气口具体可以设置为位于上方的第一进出气口15(鼻)和位于第一进出气口15下方的第二进出气口16(嘴)，上述两个通堵空心气针具体可以设置为与第一进出气口15对应的第一通堵空心气针13、与第二进出气口16对应的第二通堵空心气针14，这样一来，第一通堵空心气针13和第二通堵空心气针14可以通过沿水平方向的运动来分别实现第一进出气口15和第二进出气口16的通闭。In addition, the above-mentioned two air inlets and outlets can be specifically set as the first air inlet and outlet 15 (nose) located above and the second air inlet and outlet 16 (mouth) located below the first air inlet and
这样一来，上述人体呼吸系统的模拟装置通过推拉机构驱动气囊6使其收缩与膨胀来模拟人体膈肌的呼吸工作，并通过排气阀7的开闭来模拟人体咽部的呼吸工作，同时通过空心通气轴8、壳体12上的两个进出气口以及两个通堵空心气针来模拟人体的鼻和嘴的呼吸工作。这样的设置方式采用机电模拟的方式可以直接实现人体的呼吸模拟，从而可以进一步应用于新型传感器的标定和测试，且该模拟装置速度快、效率高，与临床上直接用于人体测试相比，该模拟装置不受人体异常干扰，且可以重复使用。In this way, the above-mentioned simulation device of the human respiratory system simulates the breathing work of the human diaphragm by driving the
进一步地，上述推拉机构具体可以设置为包括步进电机1、传动机构和推拉板5，其中，传动机构与步进电机1连接并用于传递步进电机1的运动与动力；推拉板5设于传动机构和气囊6之间并与传动机构和气囊6连接，推拉板5能够带动气囊6实现收缩与膨胀。Further, the above-mentioned push-pull mechanism can be specifically configured to include a stepper motor 1, a transmission mechanism and a push-
具体地说，传动机构可以包括第一齿轮2、第二齿轮3和连杆4，其中，第一齿轮2与步进电机1的输出轴连接；第二齿轮3与第一齿轮2啮合，第一齿轮2可以设置为小齿轮，第二齿轮3可以设置为大齿轮，第二齿轮3与连杆4构成凸轮机构；同时，连杆4的第一端(右端)可拆卸地连接于第二齿轮3上，连杆4的第二端(左端)可拆卸地连接于推拉板5上，连杆4用于带动推拉板5运动。Specifically, the transmission mechanism may include a first gear 2, a
此外，根据实际需要，推拉板5具体可以设置为包括用于与连杆4连接的第一连接部和用于与气囊6连接的第二连接部，其中第二连接部可以与气囊6上预留的若干个连接扣实现固接，第一连接部可以设置为U型结构，U型结构靠近连杆4的一侧可以设置第一连接端、第二连接端和第三连接端，任一连接端均可以设置为圆弧形凸起结构，且圆弧形凸起结构的中心设有用于与连杆4连接的通孔，相应地，连杆4的端部也可以设置对应的圆孔，这样一来，连杆4与推拉板5可以通过螺栓或者其他可拆卸组件实现连接。In addition, according to actual needs, the push-
更加具体地说，上述第一连接端用于供气囊6以第一预设力度收缩与膨胀，第二连接端用于供气囊6以第二预设力度收缩与膨胀，第三连接端用于供气囊6以第三预设力度收缩与膨胀，且第一连接端、第二连接端和第三连接端沿靠近步进电机1的方向(从左至右)依次排布；所谓第一预设力度是用于模拟儿童呼吸的力度，第二预设力度用于模拟老人呼吸力度，第三预设力度用于模拟成人呼吸力度，即当连杆4分别与推拉板5上的第一连接端、第二连接端和第三连接端连接后，在每次的推拉作用下，可以分别模拟儿童、老人和成人三个年龄段的呼吸力度，从而可以实现对于三个不同年龄段人体腹部驱动呼吸系统压力的模拟。More specifically, the above-mentioned first connecting end is used for the
当然，根据实际需要，连杆4远离推拉板5的一端也可以设置三个沿连杆4的轴向成排分布的连接孔，任一连接孔用于与第二齿轮3连接，当连杆4与推拉板5的连接位置确定后，通过改变连杆4与第二齿轮3的连接位置，可以调节儿童或者老人或者成人的呼吸深度，且上述三个从下往上的连接孔可以设置为能够使某种人体的呼吸深度递减。当然，推拉板5和连杆4也可以有其他不同的设置方式，只要能够满足模拟不同年龄段人体的呼吸状态的设置方式均在本申请的保护范围内，此处将不再一一展开。Of course, according to actual needs, the end of the connecting
为了能够模拟在人体不同脉搏跳动下人体呼吸节奏的变化，模拟装置还可以设置主控制器和光电编码器，其中，光电编码器设于步进电机1上，光电编码器用于检测步进电机1的输出轴的转速并将该速度信号传递至主控制器中，主控制器与光电编码器相连，待接收到反馈的信号后，主控制器进而可以发出相应的指令，从而可以控制步进电机1的转速，具体地，主控制器可以提供不同频率的脉冲，来模拟人体的脉搏快慢，从而控制步进电机1的转动速度；步进电机1带动第一齿轮2转动，第一齿轮2带动第二齿轮3转动；第二齿轮3与连杆4构成凸轮机构，连杆4带动推拉板5对气囊6进行压缩和拉伸，这样即可模拟人体膈肌的呼吸工作，以完成人体腹部呼和吸的动作，此动作的快慢，由步进电机1的转动速度来决定。当然，光电编码器的与步进电机1的安装可以参照现有技术，主控制器可以设置为具有预设程序的PLC控制器。In order to simulate the change of human breathing rhythm under different pulse beatings of the human body, the simulation device can also be provided with a main controller and a photoelectric encoder, wherein the photoelectric encoder is arranged on the stepping motor 1, and the photoelectric encoder is used to detect the stepping motor 1 The speed of the output shaft and the speed signal are transmitted to the main controller. The main controller is connected to the photoelectric encoder. After receiving the feedback signal, the main controller can then send out corresponding commands to control the stepper motor. Specifically, the main controller can provide pulses of different frequencies to simulate the pulse speed of the human body, thereby controlling the rotation speed of the stepper motor 1; the stepper motor 1 drives the first gear 2 to rotate, and the first gear 2 drives The
为了保证模拟装置运行的稳定性，上述空心通气轴8具体可以设置为包括第一连接段81、第二连接段82和第三连接段83，其中，第一连接段81的第一端(右端)与气囊6连接，第一连接段81的第二端(左端)与排气阀7连接；第二连接段82的第一端(右端)与排气阀7连接，第二连接段82的第二端(左端)用于连接角接触轴承9；第三连接段83能够相对第二连接段82发生转动，第三连接段83的第一端(右端)与角接触轴承9连接，第三连接段83的第二端(左端)用于伸入壳体12的内部，第三连接段83的第二端上设有若干个排气孔，这样可以使气囊6中的气体进入壳体12的内部，且第三连接段83可以通过轴承与壳体12的部分内壁实现连接，轴承用于支撑第三连接段83并使其相对壳体12发生转动。In order to ensure the stability of the operation of the simulation device, the above-mentioned hollow ventilation shaft 8 can be specifically configured to include a first connecting section 81, a second connecting section 82 and a third connecting section 83, wherein the first end (the right end of the first connecting section 81) ) is connected with the air bag 6, the second end (left end) of the first connecting section 81 is connected with the exhaust valve 7; the first end (right end) of the second connecting section 82 is connected with the exhaust valve 7, and the second connecting section 82 The second end (left end) is used to connect the angular contact bearing 9; the third connecting segment 83 can rotate relative to the second connecting segment 82, the first end (right end) of the third connecting segment 83 is connected to the angular contact bearing 9, the third The second end (left end) of the connecting segment 83 is used to extend into the interior of the housing 12 , and the second end of the third connecting segment 83 is provided with several vent holes, so that the gas in the air bag 6 can enter the housing 12 and the third connecting segment 83 can be connected to part of the inner wall of the housing 12 through a bearing, and the bearing is used to support the third connecting segment 83 and make it rotate relative to the housing 12 .
需要说明的是，角接触轴承9的作用是能够使第三连接段83相对于第二连接段82发生转动，具体可以通过将第二连接段82的第二端(左端)与角接触轴承9的内圈连接，将第三连接段83的第一端(右端)与角接触轴承9的外圈连接，而角接触轴承9的外圈能够相对内圈转动。同时，为了保证角接触轴承9与第三连接段83和第二连接段82连接的密封性，可以通过设置相应的密封圈来保证气密封。It should be noted that the function of the
为了实现第三连接段83的转动，第三连接段83可以连接有环形电机10，环形电机10用于带动第三连接段83沿其轴向旋转，具体地，环形电机10的内环可以通过楔形轴套与第三连接段83固接，即可以在环形电机10的内环内侧壁与第三连接段83的外侧壁之间设置楔形轴套来实现二者的固接；环形电机10的外环连接有用于支撑环形电机10和第三连接段83的支座17，该支座17还可以用于支撑气囊6与壳体12。In order to realize the rotation of the third connecting
此外，壳体12的内部还设有用于推动两个通堵空心气针沿其轴向移动的转动斜台11，该转动斜台11与第三连接段83同轴设置并与第三连接段83固接，即第三连接段83通过转动斜台11的中心伸入到壳体12内，这样一来，环形电机10固定在支座17上，环形电机10的内环与第三连接段83固接并能够带动第三连接段83转动，从而可以带动转动斜台11旋转，以推动第一通堵空心气针13和第二通堵空心气针14。In addition, the interior of the
在上述基础上，转动斜台11靠近通堵空心气针的一侧可以设置用于与第一通堵空心气针13和第二通堵空心气针14接触配合的斜面，第一通堵空心气针13和第二通堵空心气针14靠近斜面的一端均连接有用于与斜面接触的万向球组件，相对于通堵空心气针的底部直接与转动斜台11接触，万向球组件中的万向球可以减缓通堵空心气针的底部磨损消耗，从而可以提高其使用寿命。On the basis of the above, the side of the rotating inclined table 11 close to the hollow gas needle for opening and closing can be provided with a slope for contacting and matching with the first
此外，两个通堵空心气针的外部均设有压缩弹簧，一个通堵空心气针可以对应设置两个压缩弹簧，两个压缩弹簧可以分别设于通堵空心气针上下两侧，以保证通堵空心气针移动的平稳性，压缩弹簧与壳体12的内壁接触相抵，这样即可使通堵空心气针复位。这样一来，转动斜台11的转动可以实现两个进出气口同时通气或者一个通气一个关闭，从而可以模拟人体鼻和嘴的通与闭。In addition, there are compression springs on the outside of the two open-blocking hollow gas needles, and one open-blocking hollow gas needle can be provided with two corresponding compression springs, and the two compression springs can be respectively set on the upper and lower sides of the open-blocking hollow gas needle to ensure The smoothness of the movement of the unblocking hollow gas needle, the compression spring is in contact with the inner wall of the
需要说明的是，在本说明书中，诸如第一和第二之类的关系术语仅仅用来将一个实体与另外几个实体区分开来，而不一定要求或者暗示这些实体之间存在任何这种实际的关系或者顺序。It should be noted that, in this specification, relational terms such as first and second are only used to distinguish one entity from several other entities, and do not necessarily require or imply any such existence between these entities. The actual relationship or sequence.
以上对本发明所提供的人体呼吸系统的模拟装置进行了详细介绍。本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。The simulation device of the human respiratory system provided by the present invention has been described in detail above. The principles and implementations of the present invention are described herein by using specific examples, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can also be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.
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| CN116824968A (en)* | 2023-07-05 | 2023-09-29 | 军事科学院系统工程研究院卫勤保障技术研究所 | A device and method for simulating human coughing and sneezing |
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