WO2019153469A1 - 一种可以根据气量自动调整雾化速率的便携式雾化器 - Google Patents

一种可以根据气量自动调整雾化速率的便携式雾化器 Download PDF

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WO2019153469A1
WO2019153469A1 PCT/CN2018/081407 CN2018081407W WO2019153469A1 WO 2019153469 A1 WO2019153469 A1 WO 2019153469A1 CN 2018081407 W CN2018081407 W CN 2018081407W WO 2019153469 A1 WO2019153469 A1 WO 2019153469A1
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atomization
main control
control unit
lower casing
automatically adjusting
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PCT/CN2018/081407
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English (en)
French (fr)
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华健
宋雪峰
钟均汉
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华健
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Priority claimed from CN201810131742.6A external-priority patent/CN108355209A/zh
Priority claimed from CN201820224862.6U external-priority patent/CN209060224U/zh
Application filed by 华健 filed Critical 华健
Publication of WO2019153469A1 publication Critical patent/WO2019153469A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators

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  • an object of the present invention is to provide a portable atomizer that can monitor the amount of inhalation of the human body in real time and dynamically adjust the atomization rate and the amount of mist to achieve proper dosage, and is convenient to use, and can automatically adjust the atomization rate according to the amount of gas.
  • the present invention provides a portable atomizer capable of automatically adjusting an atomization rate according to a gas volume, comprising: an upper casing with a nozzle; and a lower casing connected to the upper casing on the upper casing a body, a circuit board provided in the lower casing, a battery connected to the circuit board on one side of the circuit board, an atomizing piece provided in the upper casing, and an internal corresponding mist between the upper casing and the lower casing
  • a liquid medicine bottle provided on one side of the chemical sheet, and a pressure sensing device connected to the upper housing nozzle in the lower casing; the liquid medicine bottle is in communication with the atomizing sheet.
  • the pressure sensing device includes a pressure sensor disposed on the circuit board, an air guiding tube disposed on the pressure sensor inside the lower casing, and an air guiding groove disposed inside the upper casing, and is disposed at an end of the air guiding groove
  • the air guiding hole communicates with the nozzle; when the upper casing and the lower casing are connected, the air guiding pipe communicates with the air guiding groove.
  • the air guiding tube communicates with the nozzle.
  • the pressure sensor is used to measure the pressure at the inner wall of the nozzle, and the pressure sensor can measure its pressure without being directly disposed inside the nozzle.
  • the circuit board includes a main control unit and a drive unit coupled to the main control unit. The drive unit is connected to the atomizing sheet.
  • the main control unit is connected to the pressure sensor and the battery, respectively.
  • the main control unit calculates the inspiratory volume according to the pressure signal of the nozzle according to the state of use and outputs a corresponding atomization amount control signal.
  • the driving unit After receiving the atomization amount control signal, the driving unit adjusts the atomization rate of the atomizing sheet. Thereby, the main control unit calculates and outputs an atomization control signal according to the measured pressure signal, and the driving unit adjusts the spray power of the atomization sheet according to the atomization control signal to control the atomization rate.
  • a bladder is disposed between the lower housing and the liquid medication bottle.
  • a silicone plug is provided at the joint of the inner casing, thereby serving to increase the waterproof airtightness of the joint.
  • a silicone ring is disposed at the open edge of the air vent. Thus, it is used to increase waterproof airtightness.
  • a filter connected to the main control unit is disposed on the circuit board.
  • a signal amplifier is connected to the filter.
  • the signal amplifier is connected to a pressure sensor. Thereby, the signal amplifier is used to amplify the pressure signal measured by the pressure sensor, and then filtered by the filter and then sent to the main control unit.
  • an LED indicator for indicating an atomizing operation state is disposed on the lower casing, and the LED indicator is connected to the main control unit.
  • the inner wall of the lower casing is provided with a metal patch for inductive contact
  • the circuit board is further provided with a capacitive touch circuit connected to the metal patch, and the capacitive touch circuit is connected to the main control unit.
  • the invention has the beneficial effects of real-time monitoring of the inspiratory volume of the human body, dynamic adjustment of the atomization rate and the amount of mist gas to achieve proper administration, and convenient use. Since the patient inhales during use, an equal amount of negative pressure is generated per unit area of the inner wall of the air channel of the nozzle. When the pressure sensor measures the negative pressure of the nozzle, the generated pressure signal, the main control unit calculates the air intake amount according to the pressure signal and outputs a corresponding atomization control signal. The driving unit receives the atomization control signal and adjusts the atomization rate to generate a fog amount proportional to the amount of inhalation of the human body.
  • the purpose of proper administration can be achieved.
  • the negative pressure per unit area on the inner wall of the suction passage of the nozzle is equal, the pressure signal can be measured without directly mounting the pressure sensor on the inner wall of the nozzle, and the pressure sensor directly mounted on the nozzle needs to be specially made, so the overall volume
  • the structural layout can be assembled very small. Also, the overall structure is simple and can be applied to many types of pressure sensors. Moreover, the pressure sensor is not exposed to the outside world, and the safety of the electronic component can be further ensured.
  • the lower casing is provided with an LED indicator for indicating the atomization working state and a metal patch for inductive contact is provided on the inner wall of the lower casing, the use process is convenient.
  • Figure 1 is a schematic view showing the internal structure of the present invention
  • Figure 2 is a block schematic diagram of the circuit board
  • Figure 3 is a circuit diagram of the circuit board.
  • a portable atomizer capable of automatically adjusting the atomization rate according to the air volume includes an upper casing 2 with a nozzle 1 and a lower casing 2 connected to the upper casing 2 a casing 3, a circuit board 4 provided in the lower casing 3, a battery 5 connected to the circuit board 4 on the side of the circuit board 4, an atomizing sheet 6 provided in the upper casing 2, and an upper casing
  • the inside of the body 2 and the lower casing 3 corresponds to the liquid chemical bottle 7 provided on the side of the position of the atomizing sheet 6, and the lower casing 3 is provided with a pressure sensing device 8 that communicates with the nozzle 1 of the upper casing 2.
  • the liquid medicine bottle 7 is in communication with the atomizing sheet 6.
  • the circuit board 4 includes a main control unit and a drive unit connected to the main control unit.
  • the drive unit is connected to the atomizing sheet 6.
  • the main control unit is connected to the pressure sensor 81 and the battery 5, respectively.
  • the main control unit calculates the inspiratory amount according to the pressure signal of the nozzle 1 according to the state of use and outputs a corresponding atomization amount control signal.
  • the driving unit receives the atomization amount control signal, the atomization rate of the atomizing sheet 6 is adjusted.
  • the main control unit calculates and outputs an atomization control signal according to the measured pressure signal, and the driving unit adjusts the spray power of the atomization sheet 6 according to the atomization control signal to control the atomization rate.
  • the lower casing 3 is provided with an LED indicator for indicating the atomization working state, and the LED indicator is connected to the main control unit.
  • the inner wall of the lower casing 3 is provided with a metal patch for inductive contact, and the circuit board 4 is further provided with a capacitive touch circuit connected to the metal patch, and the capacitive touch circuit is connected to the main control unit.
  • the human body can control the opening and closing of the atomizer by simply touching the lower casing 3.
  • the working principle is as follows: when the patient uses inhalation, a negative pressure of equal magnitude is generated per unit area of the inner wall of the air guiding groove 83 of the nozzle 1.
  • the main control unit calculates the air intake amount according to the pressure signal and outputs a corresponding atomization control signal.
  • the driving unit receives the atomization control signal and adjusts the atomization rate to generate a fog amount proportional to the amount of inhalation of the human body.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pulmonology (AREA)
  • Special Spraying Apparatus (AREA)

Abstract

一种可以根据气量自动调整雾化速率的便携式雾化器，其中，包括带喷嘴（1）的上壳体（2）、在上壳体（2）上设有与上壳体（2）连接的下壳体（3）、在下壳体（3）内设有的电路板（4）、在电路板（4）一侧设有与电路板（4）连接的电池（5）、在上壳体（2）内设有的雾化片（6）、在上壳体（2）与下壳体（3）之间的内部对应雾化片（6）的位置一侧设有的药液瓶（7），及在下壳体（3）内设有连通上壳体（2）喷嘴（1）的压力传感装置（8），药液瓶（7）与雾化片（6）相连通。便携式雾化器具有实时监测人体吸气量并动态调整雾化速率和雾气量达到适量给药，及使用方便的效果。

Description

一种可以根据气量自动调整雾化速率的便携式雾化器 技术领域
本发明属于医疗器领域，特别涉及一种可以根据气量自动调整雾化速率的便携式雾化器。
背景技术
雾化吸入式治疗是呼吸系统疾病治疗方法中一种重要和有效的治疗方法，采用雾化器将药液雾化成微小颗粒，患者通过呼吸将雾化后的药物吸入呼吸道和肺部，并沉积经粘膜吸收，从而达到无痛、迅速、有效治疗的目的。然而，上述的雾化器仍然存在如下弊端，雾化器在输出雾化气体时，输出速率是固定不变的，不能结合患者吸气量的大小进行智能调节。譬如，当雾气量过大时，患者不能充分吸收造成药液的浪费。另外，从喷雾口流出的药液也会刺激患者的眼睛等人体敏感器官，甚至会对周围环境造成一定的污染；当雾气量过少时，又起不到治疗效果。同时，也存在使用不方便的缺陷。
发明内容
鉴于上述问题，本发明的目的在于提供一种实时监测人体吸气量并动态调整雾化速率和雾气量达到适量给药，及使用方便的可以根据气量自动调整雾化速率的便携式雾化器。
为实现上述目的，本发明提供的一种可以根据气量自动调整雾化速率的便携式雾化器，其中，包括带喷嘴的上壳体、在上壳体上设有与上壳体连接的下壳体、在下壳体内设有的电路板、在电路板一侧设有与电路板连接的电池、在上壳体内设有的雾化片、在上壳体与下壳体之间的内部对应雾化片的位置一侧设有的药液瓶，及在下壳体内设有连通上壳体喷嘴的压力传感装置；所述的药液瓶与雾化片相连通。压力传感装置包括在电路板上设有的压力传感器、在下壳体内部的压力传感器上设有的导气管和在上壳体内部设有的导气槽，及在导气槽端部上设有与喷嘴相通的导气孔；所述的上壳体与下壳体连接状态下，导气管与导气槽相通。导气管与喷嘴相通。由此，压力传感器用于测量喷嘴内壁受到的压力处处相等，压力传感器不需要直接设置在喷嘴内部就可以测量其压力。在一些实施方式中，电路板包括主控单元，及与主控单元连接的驱动单元。驱动单元与雾化片相连接。主控单元分别与压力传感器和电池连接。主控单元根据使用状态时，喷嘴的压力信号计算出吸气量并输出相应的雾化量控制 信号。驱动单元接收到雾化量控制信号后，调整雾化片的雾化速率。由此，主控单元根据测量后的压力信号计算并输出雾化控制信号，驱动单元根据所述雾化控制信号调节所述雾化片的喷雾功率以控制雾化速率。
在一些实施方式中，下壳体与药液瓶之间设置有内胆。
在一些实施方式中，上壳体与下壳体连接状态下，在内胆的连接处设置有硅胶塞，由此用于增加连接处的防水气密性。
在一些实施方式中，导气孔的开口边缘处设置有硅胶环。由此，用于增加防水气密性。
在一些实施方式中，电路板上设置有与主控单元连接的滤波器。滤波器上连接有信号放大器。信号放大器与压力传感器连接。由此，信号放大器用于将所述压力传感器测量的压力信号放大，之后通过所述滤波器过滤再发送到所述主控单元。
在一些实施方式中，下壳体上设置有用于指示雾化工作状态的LED指示灯，LED指示灯与主控单元相连接。
在一些实施方式中，下壳体的内壁上设置有用于感应接触的金属贴片，电路板上还设置有与金属贴片连接的电容式触摸电路，电容式触摸电路与主控单元相连接。由此，人体只需触摸下壳体就可以控制雾化器的开启和关闭。
本发明的有益效果是具有实时监测人体吸气量并动态调整雾化速率和雾气量达到适量给药，及使用方便的效果。由于患者在使用进行吸气时，喷嘴的导气槽内壁任意位置单位面积会产生大小相等的负压力。当压力传感器测量到喷嘴的负压力后，产生的压力信号，主控单元根据该压力信号计算出吸气量并输出相应的雾化控制信号。驱动单元接收该雾化控制信号后调整雾化速率，以产生与人体吸气量成比例的雾气量。通过对人体实时监测吸气量并动态调节雾化片的雾化速率，可以达到适量给药的目的。另外，喷嘴的吸气通道内壁上单位面积的负压力处处相等，不需要将压力传感器直接安装在喷嘴内壁上就可以测量压力信号，而且直接安装在喷嘴上的压力传感器需要特制，因此整体的体积结构布局可以组装得很小。还有，整体结构简单，可适用于多种类型的压力传感器。而且压力传感器不暴露于外界，可以进一步保证电子元器件的安全性。又由于下壳体上设置有用于指示雾化工作状态的LED指示灯和下壳体的内壁上设置有用于感应接触的金属贴片，具有使用过程方便的效果。
附图说明
图1为本发明的内部结构示意图；
图2为电路板的方框原理图；
图3为电路板的电路图。
具体实施方式
下面结合附图对发明作进一步详细的说明。
如图1-3所示，一种可以根据气量自动调整雾化速率的便携式雾化器，包括带喷嘴1的上壳体2、在上壳体2上设有与上壳体2连接的下壳体3、在下壳体3内设有的电路板4、在电路板4一侧设有与电路板4连接的电池5、在上壳体2内设有的雾化片6、在上壳体2与下壳体3之间的内部对应雾化片6的位置一侧设有的药液瓶7，及在下壳体3内设有连通上壳体2喷嘴1的压力传感装置8。药液瓶7与雾化片6相连通。压力传感装置8包括在电路板4上设有的压力传感器81、在下壳体3内部的压力传感器81上设有的导气管82和在上壳体2内部设有的导气槽83，及在导气槽83端部上设有与喷嘴1相通的导气孔84。上壳体2与下壳体3连接状态下，导气管82与导气槽83相通。导气管82与喷嘴1相通。压力传感器81用于测量喷嘴1内壁受到的压力处处相等，压力传感器81不需要直接设置在喷嘴1内部就可以测量其压力。电路板4包括主控单元，及与主控单元连接的驱动单元。驱动单元与雾化片6相连接。主控单元分别与压力传感器81和电池5连接。主控单元根据使用状态时，喷嘴1的压力信号计算出吸气量并输出相应的雾化量控制信号。驱动单元接收到雾化量控制信号后，调整雾化片6的雾化速率。主控单元根据测量后的压力信号计算并输出雾化控制信号，驱动单元根据所述雾化控制信号调节所述雾化片6的喷雾功率以控制雾化速率。下壳体3与药液瓶7之间设置有内胆9。上壳体2与下壳体3连接状态下，在内胆9的连接处设置有硅胶塞10，用于增加连接处的防水气密性。导气孔84的开口边缘处设置有硅胶环11，用于增加防水气密性。电路板4上设置有与主控单元连接的滤波器。滤波器上连接有信号放大器。信号放大器与压力传感器81连接。信号放大器用于将所述压力传感器81测量的压力信号放大，之后通过所述滤波器过滤再发送到所述主控单元。下壳体3上设置有用于指示雾化工作状态的LED指示灯，LED指示灯与主控单元相连接。下壳体3的内壁上设置有用于感应接触的金 属贴片，电路板4上还设置有与金属贴片连接的电容式触摸电路，电容式触摸电路与主控单元相连接。人体只需触摸下壳体3就可以控制雾化器的开启和关闭。
工作原理如下：患者在使用进行吸气时，喷嘴1的导气槽83内壁任意位置单位面积会产生大小相等的负压力。当压力传感器81测量到喷嘴1的负压力后，产生的压力信号，主控单元根据该压力信号计算出吸气量并输出相应的雾化控制信号。驱动单元接收该雾化控制信号后调整雾化速率，以产生与人体吸气量成比例的雾气量。通过对人体实时监测吸气量并动态调节雾化片6的雾化速率，可以达到适量给药的目的。
以上所述的仅是本发明的一些实施方式。对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出若干变形和改进，这些都属于发明的保护范围。

Claims (8)

  1. 一种可以根据气量自动调整雾化速率的便携式雾化器，其特征在于，包括带喷嘴的上壳体、在上壳体上设有与上壳体连接的下壳体、在下壳体内设有的电路板、在电路板一侧设有与电路板连接的电池、在上壳体内设有的雾化片、在上壳体与下壳体之间的内部对应雾化片的位置一侧设有的药液瓶，及在下壳体内设有连通上壳体喷嘴的压力传感装置；所述的药液瓶与雾化片相连通；
    所述的压力传感装置包括在电路板上设有的压力传感器、在下壳体内部的压力传感器上设有的导气管和在上壳体内部设有的导气槽，及在导气槽端部上设有与喷嘴相通的导气孔；所述的上壳体与下壳体连接状态下，导气管与导气槽相通；所述的导气管与喷嘴相通(压力传感器用于测量喷嘴内壁受到的压力，主控单元根据测量后的压力信号计算并输出雾化控制信号，驱动单元根据所述雾化控制信号调节所述雾化片的喷雾功率以控制雾化速率)。
  2. 根据权利要求1所述的一种可以根据气量自动调整雾化速率的便携式雾化器，其特征在于，所述的电路板包括主控单元，及与主控单元连接的驱动单元；
    所述的驱动单元与雾化片相连接；
    所述的主控单元分别与压力传感器和电池连接；
    所述的主控单元根据使用状态时，喷嘴的压力信号计算出吸气量并输出相应的雾化量控制信号；所述的驱动单元接收到雾化量控制信号后，调整雾化片的雾化速率。
  3. 根据权利要求2所述的一种可以根据气量自动调整雾化速率的便携式雾化器，其特征在于，所述的下壳体与药液瓶之间设置有内胆。
  4. 根据权利要求1、2或3所述的一种可以根据气量自动调整雾化速率的便携式雾化器，其特征在于，所述的上壳体与下壳体连接状态下，在内胆的连接处设置有硅胶塞。
  5. 根据权利要求4所述的一种可以根据气量自动调整雾化速率的便携式雾化器，其特征在于，所述导气孔的开口边缘处设置有硅胶环(用于增加防水气密性)。
  6. 根据权利要求4所述的一种可以根据气量自动调整雾化速率的便携式雾化器，其特征在于，所述的电路板上设置有与主控单元连接的滤波器；所述的滤波器上连接有信号放大器；所述的信号放大器与压力传感器连接(信号放大器用于将所述压力传感器测量的压力信号放 大，之后通过所述滤波器过滤再发送到所述主控单元)。
  7. 根据权利要求1所述的一种可以根据气量自动调整雾化速率的便携式雾化器，其特征在于，所述的下壳体上设置有用于指示雾化工作状态的LED指示灯；所述的LED指示灯与主控单元相连接。
  8. 根据权利要求1所述的一种可以根据气量自动调整雾化速率的便携式雾化器，其特征在于，所述的下壳体的内壁上设置有用于感应接触的金属贴片；所述的电路板上还设置有与金属贴片连接的电容式触摸电路；所述的电容式触摸电路与主控单元相连接。
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