WO2015196475A1 - Procédé et dispositif pour compensation de valeur de capteur d'humidité et détecteur de qualité de l'air - Google Patents

Procédé et dispositif pour compensation de valeur de capteur d'humidité et détecteur de qualité de l'air Download PDF

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Publication number
WO2015196475A1
WO2015196475A1 PCT/CN2014/081009 CN2014081009W WO2015196475A1 WO 2015196475 A1 WO2015196475 A1 WO 2015196475A1 CN 2014081009 W CN2014081009 W CN 2014081009W WO 2015196475 A1 WO2015196475 A1 WO 2015196475A1
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WO
WIPO (PCT)
Prior art keywords
humidity
compensation
value
coefficient
temperature
Prior art date
Application number
PCT/CN2014/081009
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English (en)
Chinese (zh)
Inventor
袁剑敏
Original Assignee
深圳华盛昌机械实业有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳华盛昌机械实业有限公司 filed Critical 深圳华盛昌机械实业有限公司
Priority to PCT/CN2014/081009 priority Critical patent/WO2015196475A1/fr
Priority to CN201480000488.6A priority patent/CN104067120B/zh
Publication of WO2015196475A1 publication Critical patent/WO2015196475A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00

Definitions

  • Humidity sensor numerical compensation method device and air quality detector
  • the invention belongs to the technical field of air quality detection, and in particular relates to a numerical compensation method, a device and an air quality detector for a humidity sensor. Background technique
  • the prior art air quality detector detects the humidity value of the air, it is necessary to place the humidity sensor outside the air quality detector to detect a relatively accurate humidity value.
  • the humidity sensor When the humidity sensor is placed inside the air quality detector, It is easily affected by the heat source of the air quality detector, and it is impossible to detect an accurate humidity value, thereby reducing the detection accuracy of the humidity sensor.
  • the purpose of the embodiment of the present invention is to provide a numerical compensation method for a humidity sensor, which is intended to solve the problem that the humidity sensor is easily affected by the heat source of the air quality detector when the humidity sensor is placed inside the air quality detector in the prior art, and the accuracy cannot be detected accurately. Humidity value reduces the detection accuracy of the humidity sensor Question.
  • a humidity sensor numerical compensation method includes: acquiring a humidity value detected by a humidity sensor, a first temperature value detected by a first temperature sensor, and an actual temperature value detected by the first temperature sensor, And acquiring a second temperature value detected by the second temperature sensor;
  • the humidity sensor is located at a side of the internal opening position of the air quality detector; wherein the first temperature sensor is located at a side of the internal opening position of the air quality detector; wherein the second temperature sensor is located at the air quality detection Inside the high temperature area of the instrument.
  • Another object of the present invention is to provide a humidity sensor numerical compensation device, including: a moisture value acquisition module, configured to acquire a humidity value of the humidity sensor, a first temperature value of the first temperature sensor, and the first temperature sensor Actual temperature value, and obtaining a second temperature value of the second temperature sensor;
  • a compensation humidity coefficient module for reading a system time and acquiring a compensation humidity coefficient; generating a compensation humidity coefficient module for using the pre-established humidity sensor numerical compensation model according to the first temperature value, the first Two temperature values and the compensated humidity coefficient, generating the compensation Humidity
  • the first temperature sensor is located at a side of the internal opening position of the air quality detector; wherein the second temperature sensor is located in a high temperature region inside the air quality detector.
  • Another object of an embodiment of the present invention is to provide an air quality detector comprising the above humidity sensor numerical compensation device.
  • the air quality detector can generate an actual humidity value according to the first humidity value and the compensation humidity, thereby avoiding the occurrence of the heat source of the air quality detector when the humidity sensor is placed inside the air quality detector.
  • the effect is that the accurate humidity value cannot be detected, the detection accuracy of the humidity value in the air quality detector is lowered, and the detection accuracy of the humidity value in the air quality detector is improved.
  • FIG. 1 is a flow chart of implementing a humidity sensor numerical compensation method according to an embodiment of the present invention
  • FIG. 2 is a structural block diagram of a humidity sensor numerical compensation device according to an embodiment of the present invention.
  • FIG. 1 is a flow chart of implementing a numerical compensation method for a humidity sensor according to an embodiment of the present invention, which is described in detail as follows:
  • step S101 acquiring a humidity value detected by the humidity sensor, a first temperature value detected by the first temperature sensor, and an actual temperature value detected by the first temperature sensor, and acquiring a second temperature value detected by the second temperature sensor;
  • both the first humidity sensor and the second temperature sensor are provided with sensors for measuring humidity, including but not limited to humidity sensors, temperature and humidity sensors.
  • the first temperature sensor is located at a side of the opening position of the air quality detector; wherein the opening position may be located in any area inside the air quality detector, such as a bottom area and a top area, and is not limited herein.
  • the humidity sensor is placed on the side of the opening position of the air quality detector, which helps to keep the humidity sensor externally and not completely outside, and the user does not see the humidity sensor at all, which is advantageous for the accuracy of the humidity sensor sampling.
  • the second temperature sensor is located in a high temperature region inside the air quality detector.
  • the second temperature sensor is placed in a place where the heat is internally generated in the air quality detector to sample the highest humidity inside the air quality detector.
  • step S102 reading the system time, and acquiring the compensation humidity coefficient; Wherein, according to the reading system time, the compensation humidity coefficient is obtained, specifically:
  • the compensated humidity coefficient corresponding to the time period is retrieved.
  • step S103 in the pre-established humidity sensor numerical compensation model, the compensated humidity is generated according to the first temperature value, the second temperature value, and the compensated humidity coefficient; wherein, the humidity sensor value In the compensation model, the first humidity value, the second humidity value, and the compensation humidity coefficient are input, and the compensation humidity is generated according to the first humidity value, the second humidity value, and the compensation humidity coefficient.
  • step S104 an actual humidity value is generated according to the humidity value and the compensated humidity; wherein an implementation process of generating an actual humidity value according to the first humidity value and the compensated humidity is described in detail in an embodiment. I will not repeat them here.
  • step S105 an actual humidity value is displayed; wherein the humidity sensor is located at a side of the internal opening position of the air quality detector;
  • the screen includes, but is not limited to, a screen of an LED dot matrix display.
  • the air quality detector can generate an actual humidity value according to the first humidity value and the compensation humidity, thereby avoiding the occurrence of the heat source of the air quality detector when the humidity sensor is placed inside the air quality detector.
  • the effect is that the accurate humidity value cannot be detected, the detection accuracy of the humidity value in the air quality detector is lowered, and the detection accuracy of the humidity value in the air quality detector is improved.
  • This embodiment mainly describes establishing a humidity sensor numerical compensation before generating the compensation humidity according to the first temperature value, the second temperature value, and the compensation humidity coefficient in a pre-established humidity sensor numerical compensation model.
  • the implementation process of the model is detailed as follows:
  • a humidity sensor numerical compensation model is established:
  • t represents the system time
  • t represents the compensated humidity coefficient when the system time is t
  • ⁇ represents the first temperature value when the system time is t
  • ⁇ represents the second temperature value when the system time is t
  • ⁇ represents The actual temperature value when the system time is t
  • ⁇ indicates the compensation humidity when the system time is t.
  • the compensation humidity coefficient obtained by the air quality detector when it is factory calibrated is the compensation humidity coefficient obtained by the air quality detector when it is factory calibrated.
  • the air quality detector reaches the time limit of the compensation humidity coefficient, in the preset compensation humidity coefficient list, it is determined that the time period of the read system time is;
  • the compensation humidity coefficient list includes a plurality of time segments and a compensation humidity coefficient corresponding to each of the time segments;
  • the compensation humidity coefficients corresponding to each of the time periods are different.
  • Tl t , and ⁇ can be directly obtained in the system.
  • the calibration parameters may be set by the user, or may be defaulted by the system, and are not limited herein.
  • the calibration parameter is taken as 25.
  • the subsequent humidity sensing can be performed.
  • the numerical compensation model completes the compensation of the actual humidity value.
  • RH t (T3 t -X) O. K t , C t , (T2 t -Tl t ) where t represents the system time, represents the first compensated humidity coefficient when the system time is t, and C t represents the system time
  • the second compensation humidity coefficient at t is a calibration parameter
  • 7 is the first temperature value when the system time is t
  • ⁇ is the second temperature value when the system time is t, indicating the actual temperature value when the system time is t.
  • ⁇ indicates the compensated humidity when the system time is t.
  • G and are the compensated humidity coefficients calibrated by the air quality tester at the factory calibration.
  • the air quality detector reaches the time limit of the compensation humidity coefficient, in the preset compensation humidity coefficient list, it is determined that the time period of the read system time is;
  • the compensation humidity coefficient list includes a plurality of time segments and a compensation humidity coefficient corresponding to each of the time segments ( ⁇ and
  • the compensated humidity coefficients G and K t corresponding to each of the time periods are different.
  • Tl t , and ⁇ can be directly obtained in the system.
  • the calibration parameters may be set by the user, or may be defaulted by the system, and are not limited herein.
  • the humidity value is in the range of more than 20 and less than 80, the calibration parameter is taken as 25.
  • the humidity sensor numerical compensation model can be used to complete the compensation of the actual humidity value.
  • This embodiment mainly describes generating an actual humidity value according to the humidity value and the compensation humidity.
  • the implementation process is detailed as follows:
  • the first humidity value is subtracted from the compensated humidity to generate an actual humidity value.
  • the first humidity value is subtracted from the compensated humidity, and the difference between the first humidity value and the compensated humidity is an actual humidity value.
  • RH t RHl t - .
  • t represents the system time
  • ⁇ represents the first temperature value when the system time is t
  • the compensated humidity when the system time is t indicating the actual humidity value when the system time is t.
  • the humidity sensor when the humidity sensor is placed inside the air quality detector, it is easy to be affected by the heat source of the air quality detector, and the accurate humidity value cannot be detected, and the detection of the humidity value in the air quality detector is reduced.
  • the detection accuracy of the humidity value in the air quality detector is improved, the stability of the detection is improved, and the accuracy of the actual humidity value is improved.
  • the first humidity value is subtracted from the compensation humidity to generate a temporary humidity value
  • the actual humidity value of the N bits before the time sorting is extracted; the temporary humidity value is added to the extracted actual humidity value, and the average humidity is taken, and the average humidity is the current actual humidity value.
  • N is an integer greater than one.
  • the generated actual humidity value After the actual humidity value is generated, the generated actual humidity value, the actual humidity value generation time, and the actual humidity value are recorded.
  • the actual humidity values recorded are sorted.
  • the temporary humidity value is added to the actual humidity value of the N bits before the sorting, and the average humidity is taken.
  • the average humidity is the current actual humidity value, and N is an integer greater than 1.
  • the number of rankings N may be set by the user, or may be determined by the system default, and is not limited herein. Since the actual humidity value is large, the value of N is set by the empirical value, and preferably, the value of N is 20. Therefore, the actual humidity value can be generated according to the first 20 actual humidity values and the average humidity value of the temporary humidity value, thereby avoiding the instability of the humidity data every time the air quality detector samples, so that the humidity data is more stable, and the obtained The actual humidity value is more accurate.
  • the air quality detector When the air quality detector is turned on, performing the obtaining the humidity value detected by the humidity sensor, the first temperature value detected by the first temperature sensor, and the actual temperature value detected by the first temperature sensor, and acquiring the second temperature sensor detecting The step of the second temperature value.
  • the air quality detector is turned on as a trigger condition. Detecting whether the air quality detector is turned on by hardware or software, and when detecting that the air quality detector is turned on, performing the obtaining the humidity value detected by the humidity sensor, the first temperature value detected by the first temperature sensor, and the first The step of detecting the actual temperature value by the temperature sensor and obtaining the second temperature value detected by the second temperature sensor, thereby ensuring that the humidity value detected by the obtaining humidity sensor and the first temperature sensor are detected after the air quality detector is turned on a first temperature value and an actual temperature detected by the first temperature sensor Embodiment 5
  • FIG. 2 is a structural block diagram of a humidity sensor numerical compensation apparatus according to an embodiment of the present invention. For the convenience of explanation, only the parts related to the present embodiment are shown.
  • the humidity sensor numerical compensation device includes:
  • Obtaining a humidity value module configured to acquire a humidity value of the humidity sensor, a first temperature value of the first temperature sensor, and an actual temperature value of the first temperature sensor, and acquire a second temperature value of the second temperature sensor;
  • a compensation humidity coefficient module for reading a system time and acquiring a compensation humidity coefficient; generating a compensation humidity coefficient module for using the pre-established humidity sensor numerical compensation model according to the first temperature value, the first a temperature value and a compensation humidity coefficient to generate the compensation humidity;
  • the first temperature sensor is located at a side of the internal opening position of the air quality detector; wherein the second temperature sensor is located in a high temperature region inside the air quality detector.
  • the acquiring a compensation humidity coefficient module specifically includes:
  • a setting unit configured to preset a humidity compensation coefficient list, wherein the compensation coefficient list includes a plurality of time segments and a humidity compensation coefficient corresponding to each of the time segments, and a compensation coefficient corresponding to each of the time segments Are not the same;
  • a reading unit configured to read a preset time of acquiring a humidity compensation coefficient;
  • a judging unit configured to: at each of the preset compensation coefficient time times, determine a time period in which the read system time is in the preset compensation humidity coefficient list;
  • a retrieving unit configured to retrieve a compensation humidity coefficient corresponding to the time period.
  • the humidity sensor numerical compensation device further includes an establishing unit configured to establish a humidity sensor numerical compensation model:
  • t is the system time, indicating the compensated humidity coefficient when the system time is t
  • ⁇ is the first temperature value when the system time is t
  • ⁇ is the second temperature value when the system time is t
  • Tt is the system time is t Compensation coefficient of humidity
  • t represents system time expressed as a first system time and humidity compensation factor at t
  • c t represents a second humidity compensation coefficient when the system time t
  • ⁇ represents a first temperature value at the system time t
  • ⁇ represents The second temperature value when the system time is t
  • ft is the compensation humidity coefficient when the system time is t.
  • the generating the actual humidity value module includes:
  • a first generating unit configured to subtract the first humidity value from the compensated humidity to generate an actual humidity value
  • a second generating unit configured to subtract the first humidity value from the compensation humidity to generate a temporary humidity value
  • a second extracting unit configured to extract, in the recorded actual humidity value, an actual humidity value of the N bits before the time sorting is generated
  • an averaging unit configured to add the temporary humidity value to the extracted actual humidity value, take the average humidity, the average humidity is the current actual humidity value, and the N is an integer greater than 1.
  • an air quality detector comprising the above humidity sensor value compensating device.
  • the present invention can be implemented by means of software plus necessary general hardware. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer.
  • a hard disk or optical disk or the like includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.

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Abstract

La présente invention concerne un procédé et un dispositif pour compensation de valeur de capteur d'humidité et un détecteur de qualité de l'air. Le procédé comprend : l'acquisition d'une valeur d'humidité détectée par le capteur d'humidité, d'une première valeur de température détectée par un premier capteur de température, et d'une valeur de température réelle détectée par le premier capteur de température, et l'acquisition d'une deuxième valeur de température détectée par un deuxième capteur de température ; la lecture d'une heure système et l'extraction d'un coefficient de compensation d'humidité ; la génération de l'humidité compensée sur la base de la première valeur de température, de la deuxième valeur de température, et du coefficient de compensation d'humidité dans un modèle de compensation de valeur de capteur d'humidité préétabli ; la génération d'une valeur d'humidité réelle sur la base de la valeur d'humidité et de l'humidité compensée ; et, l'affichage de la valeur d'humidité réelle. La présente invention augmente la précision de détection de valeurs d'humidité dans le détecteur de qualité de l'air.
PCT/CN2014/081009 2014-06-27 2014-06-27 Procédé et dispositif pour compensation de valeur de capteur d'humidité et détecteur de qualité de l'air WO2015196475A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2014/081009 WO2015196475A1 (fr) 2014-06-27 2014-06-27 Procédé et dispositif pour compensation de valeur de capteur d'humidité et détecteur de qualité de l'air
CN201480000488.6A CN104067120B (zh) 2014-06-27 2014-06-27 一种湿度传感器数值补偿方法、装置及空气质量检测仪

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PCT/CN2014/081009 WO2015196475A1 (fr) 2014-06-27 2014-06-27 Procédé et dispositif pour compensation de valeur de capteur d'humidité et détecteur de qualité de l'air

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CN105424767B (zh) * 2015-10-29 2018-02-16 上海申矽凌微电子科技有限公司 湿度传感器芯片大批量生产的测试装置及测试方法
WO2018045544A1 (fr) * 2016-09-09 2018-03-15 绿仕科技控股有限公司 Système de mesure de paramètre environnemental
CN109029576B (zh) * 2018-07-31 2019-10-11 珠海格力电器股份有限公司 一种检测环境值的方法与系统
CN113654125B (zh) * 2020-09-04 2022-08-02 科潮(杭州)工程技术有限公司 基于湿度检测仪的地下室空气湿度检测方法
CN112304892B (zh) * 2020-10-15 2022-12-06 天津市旭阳药检仪器有限公司 一种红外线电子水分测试仪
CN112798930A (zh) * 2020-12-29 2021-05-14 深圳市利拓光电有限公司 一种半导体激光器芯片检测时的温湿度补偿系统

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