CN202974544U - 一种便携式数字气压表 - Google Patents

一种便携式数字气压表 Download PDF

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CN202974544U
CN202974544U CN 201220709962 CN201220709962U CN202974544U CN 202974544 U CN202974544 U CN 202974544U CN 201220709962 CN201220709962 CN 201220709962 CN 201220709962 U CN201220709962 U CN 201220709962U CN 202974544 U CN202974544 U CN 202974544U
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chip microcomputer
pressure
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郭业才
刘霞
孙心宇
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JIANGSU JACK INSTRUMENT CO Ltd
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Nanjing University of Information Science and Technology
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Abstract

本实用新型公开了一种便携式数字气压表。包括依次连接的压力检测模块、数据转换模块、单片机模块、数据显示模块以及分别连接所述压力检测模块、数据转换模块、单片机模块、数据显示模块的电源模块。本实用新型所采用的压力传感器与数据转换模块相连，是整个系统的核心元件，其主要作用是检测压力的大小、控制压力的变化以及物理参量的测量。由上述结构可实时测量压力值，并以数字形式显示；在测量气压，即使是较低纬度的情况下，依然可以得到较高的精度；也具有体积小，重量轻，便于携带，成本低的特点。

Description

一种便携式数字气压表
技术领域
本实用新型涉及一种气压表，特别是便携式数字气压表。
背景技术
近年来，气压表广泛应用于家庭、汽车、手机、GPS、电脑等各个领域。对于传统的气压传感器，特别是普通气压传感器在低纬度的情况下测量精度不高。
发明内容
针对上述现有技术，本实用新型所要解决的技术问题是提供一种精度较高、成本低且简单易懂的便携式数字气压表。
为解决上述技术问题，本实用新型的一种便携式数字气压表包括依次连接的压力检测模块、数据转换模块、单片机模块、数据显示模块以及用于供电的电源模块；其中，
所述单片机模块采用型号为AT89S52的单片机；
所述压力检测模块采用型号为MPX4115的压力传感器；
所述数据转换模块采用型号为LM331的压频转换芯片；其中，所述压频转换芯片的频率输出引脚F_OUT连接所述单片机的T0引脚，所述压频转换芯片的比较输入引脚COM_IN连接所述压力传感器的电压信号输出引脚VOUT；
所述数据显示模块包括8段数码管，以及和8段数码管连接的驱动芯片；所述驱动芯片的DIN、LOAD、CLK引脚分别与所述单片机的P0.7、P0.3、P0.6引脚相连接。
作为本实用新型的改进，所述数字气压表采用5V电压作为工作电压。
由于采用上述技术方案，本实用新型可实时测量压力值，并以数字形式显示；在测量气压，本实用新型采用了单片机，即使是较低纬度的情况下，依然可以得到较高的精度；也具有体积小，重量轻，便于携带，成本低，简单易懂等特点。
附图说明
图1 是一种便携式数字气压表原理图；
图2为数据转换模块电路图；
图3为数据显示模块的电路图。
具体实施方式
下面结合附图对实用新型的技术方案进行详细说明：
如图1所示，一种便携式数字气压表包括依次连接的压力检测模块、数据转换模块、单片机模块、数据显示模块以及分别连接压力检测模块、数据转换模块、单片机模块、数据显示模块的电源模块。在本实用新型中，电源模块为气压表其余模块提供电能，数字气压表采用5V电压作为工作电压。
其中，压力检测模块采用型号为MPX4115的压力传感器，单片机为AT89S52单片机。
如图2所示，数据转换模块采用型号为LM331的压频转换芯片。压频转换芯片的频率输出引脚F_OUT连接单片机的T0引脚，压频转换芯片的比较输入引脚COM_IN连接压力传感器的电压信号输出引脚VOUT。压力传感器将检测到的压力信号转换为电压信号，电压信号从MPX4115传感器传输到数据转换模块电路，由LM331压频转换芯片将电压信号转换为脉冲形式的频率信号后传输到AT89S52单片机。
如图3所示，数据显示模块包括8段数码管和8段数码管连接的驱动芯片。驱动芯片的DIN、LOAD、CLK引脚分别与单片机的P0.7、P0.3、P0.6引脚相连接。数据显示模块采用8段数码管，将单片机计数的压力值以数码显示形式直观地显示出来。

Claims (2)

1.一种便携式数字气压表，其特征在于：包括依次连接的压力检测模块、数据转换模块、单片机模块、数据显示模块以及用于供电的电源模块；其中：
所述单片机模块采用型号为AT89S52的单片机；
所述压力检测模块采用型号为MPX4115的压力传感器；
所述数据转换模块采用型号为LM331的压频转换芯片；其中：所述压频转换芯片的频率输出引脚F_OUT连接所述单片机的T0引脚，所述压频转换芯片的比较输入引脚COM_IN连接所述压力传感器的电压信号输出引脚VOUT；
所述数据显示模块包括8段数码管，以及和8段数码管连接的驱动芯片；所述驱动芯片的DIN、LOAD、CLK引脚分别与所述单片机的P0.7、P0.3、P0.6引脚连接。
2.根据权利要求1所述的便携式数字气压表，其特征在于：所述数字气压表采用5V电压作为工作电压。
CN 201220709962 2012-12-20 2012-12-20 一种便携式数字气压表 Expired - Fee Related CN202974544U (zh)

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Cited By (16)

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WO2018126046A1 (en) * 2016-12-29 2018-07-05 Shadecraft, Inc. Modular umbrella and shading system
US10078856B2 (en) 2016-05-09 2018-09-18 Shadecraft, Inc. Mobile computing device control of shading object, intelligent umbrella and intelligent shading charging system
US10094138B2 (en) 2016-12-29 2018-10-09 Shadecraft, Inc. Control of multiple intelligent umbrellas and/or robotic shading systems
US10118671B2 (en) 2016-12-29 2018-11-06 Shadecraft, Inc. Marine vessel with intelligent shading system
US10250817B2 (en) 2016-05-09 2019-04-02 Armen Sevada Gharabegian Shading object, intelligent umbrella and intelligent shading charging system integrated camera and method of operation
US10327521B2 (en) 2015-05-22 2019-06-25 Armen Sevada Gharabegian Intelligent shading objects
US10349493B2 (en) 2017-07-07 2019-07-09 Shadecraft, Inc. Artificial intelligence (AI) computing device with one or more lighting elements
US10455395B2 (en) 2016-05-09 2019-10-22 Armen Sevada Gharabegian Shading object, intelligent umbrella and intelligent shading charging security system and method of operation
US10488834B2 (en) 2017-05-13 2019-11-26 Shadecraft, Inc. Intelligent umbrella or robotic shading system having telephonic communication capabilities
US10519688B2 (en) 2018-01-06 2019-12-31 Shadecraft, Inc. Apparatus and method for identifying operational status of umbrella, parasol or shading system utilizing lighting elements
US10542799B2 (en) 2016-05-20 2020-01-28 Shadecraft, LLC Intelligent shading system with movable base assembly
US10554436B2 (en) 2017-11-19 2020-02-04 Shadecraft, Inc. Intelligent umbrella and/or robotic shading system with ultra-low energy transceivers
US10565631B2 (en) 2014-04-02 2020-02-18 Shadecraft, Inc. Mobile computing device application software interacting with an intelligent umbrella
US10813422B2 (en) 2016-05-09 2020-10-27 Shadecraft, Inc. Intelligent shading objects with integrated computing device
US10912357B2 (en) 2016-05-09 2021-02-09 Shadecraft, LLC Remote control of shading object and/or intelligent umbrella
RU223111U1 (ru) * 2023-11-10 2024-01-31 Федеральное Государственное Унитарное Предприятие "Всероссийский Научно-Исследовательский Институт Физико-Технических И Радиотехнических Измерений" (Фгуп "Вниифтри") Цифровой эталонный барометр

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10565631B2 (en) 2014-04-02 2020-02-18 Shadecraft, Inc. Mobile computing device application software interacting with an intelligent umbrella
US10327521B2 (en) 2015-05-22 2019-06-25 Armen Sevada Gharabegian Intelligent shading objects
US10455395B2 (en) 2016-05-09 2019-10-22 Armen Sevada Gharabegian Shading object, intelligent umbrella and intelligent shading charging security system and method of operation
US10078856B2 (en) 2016-05-09 2018-09-18 Shadecraft, Inc. Mobile computing device control of shading object, intelligent umbrella and intelligent shading charging system
US10250817B2 (en) 2016-05-09 2019-04-02 Armen Sevada Gharabegian Shading object, intelligent umbrella and intelligent shading charging system integrated camera and method of operation
US10912357B2 (en) 2016-05-09 2021-02-09 Shadecraft, LLC Remote control of shading object and/or intelligent umbrella
US10813422B2 (en) 2016-05-09 2020-10-27 Shadecraft, Inc. Intelligent shading objects with integrated computing device
US10650423B2 (en) 2016-05-09 2020-05-12 Shadecraft, Inc. Mobile computing or communications device interacting with an intelligent umbrella and/or intelligent shading charging system
US10542799B2 (en) 2016-05-20 2020-01-28 Shadecraft, LLC Intelligent shading system with movable base assembly
US10094138B2 (en) 2016-12-29 2018-10-09 Shadecraft, Inc. Control of multiple intelligent umbrellas and/or robotic shading systems
US10334921B2 (en) 2016-12-29 2019-07-02 Shadecraft, Inc. Shading system including voice recognition or artificial intelligent capabilities
WO2018126046A1 (en) * 2016-12-29 2018-07-05 Shadecraft, Inc. Modular umbrella and shading system
US10118671B2 (en) 2016-12-29 2018-11-06 Shadecraft, Inc. Marine vessel with intelligent shading system
US10488834B2 (en) 2017-05-13 2019-11-26 Shadecraft, Inc. Intelligent umbrella or robotic shading system having telephonic communication capabilities
US10349493B2 (en) 2017-07-07 2019-07-09 Shadecraft, Inc. Artificial intelligence (AI) computing device with one or more lighting elements
US10554436B2 (en) 2017-11-19 2020-02-04 Shadecraft, Inc. Intelligent umbrella and/or robotic shading system with ultra-low energy transceivers
US10519688B2 (en) 2018-01-06 2019-12-31 Shadecraft, Inc. Apparatus and method for identifying operational status of umbrella, parasol or shading system utilizing lighting elements
RU223111U1 (ru) * 2023-11-10 2024-01-31 Федеральное Государственное Унитарное Предприятие "Всероссийский Научно-Исследовательский Институт Физико-Технических И Радиотехнических Измерений" (Фгуп "Вниифтри") Цифровой эталонный барометр

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C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20151023

Address after: 211600, No. 8, West Ring Road, Jinhu County Industrial Park, Huaian, Jiangsu

Patentee after: Jiangsu Jack Instrument Co., Ltd.

Address before: 210044 Nanjing Ning Road, Jiangsu, No. six, No. 219

Patentee before: Nanjing University of Information Science and Technology

CF01 Termination of patent right due to non-payment of annual fee

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