CN104067118A - Value compensation method and device of temperature sensor, and air quality detector - Google Patents
Value compensation method and device of temperature sensor, and air quality detector Download PDFInfo
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- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/20—Compensating for effects of temperature changes other than those to be measured, e.g. changes in ambient temperature
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Abstract
The present invention is suitable for the air quality detection field, and provides a value compensation method and device of a temperature sensor, and an air quality detector. The method comprises obtaining a first temperature value detected by a first temperature sensor and a second temperature value detected by a second temperature sensor; reading system time and retrieving a compensation factor; in a preset temperature sensor value compensation model, generating a compensation temperature factor according to the first temperature value, the second temperature value and the compensation factor; generating a real temperature value according to the first temperature value and the compensation temperature factor; and displaying the real temperature value; wherein the first temperature sensor is disposed at a side face at the inner opening position of the air quality detector, and the second temperature sensor is disposed in an inner high-tempeature zone of the air quality detector. The detection precision of the air quality detector is raised.
Description
Technical Field
The invention belongs to the technical field of air quality detection, and particularly relates to a temperature sensor numerical value compensation method and device and an air quality detector.
Background
Along with the arrival of the intelligent era of the air quality detector, the configuration of the air quality detector is more and more powerful, the function is more and more complete, more and more users carry out air quality detection through the air quality detector, detect air quality in different places, and show the temperature value of the air that detects to the temperature value of environment in which the user knows conveniently.
However, in the prior art, the air quality detector detects the temperature value of the air, and the temperature sensor needs to be placed outside the air quality detector to detect a relatively accurate temperature value, and when the temperature sensor is placed inside the air quality detector, the temperature sensor is easily affected by the heat source of the air quality detector, and cannot detect the accurate temperature value, so that the detection precision of the temperature sensor is reduced.
Disclosure of Invention
The embodiment of the invention aims to provide a temperature sensor value compensation method, and aims to solve the problems that in the prior art, when a temperature sensor is placed in an air quality detector, the temperature sensor is easily influenced by a heat source of the air quality detector, an accurate temperature value cannot be detected, and the detection precision of the temperature sensor is reduced.
The embodiment of the invention is realized in such a way that a temperature sensor numerical value compensation method comprises the following steps:
acquiring a first temperature value detected by a first temperature sensor and a second temperature value detected by a second temperature sensor;
reading system time and calling a compensation coefficient;
generating a compensation temperature coefficient according to the first temperature value, the second temperature value and the compensation coefficient in a pre-established temperature sensor numerical compensation model;
generating an actual temperature value according to the first temperature value and the compensation temperature coefficient;
displaying the actual temperature value;
the first temperature sensor is positioned on the side of the position of the opening in the air quality detector;
and the second temperature sensor is positioned in a high-temperature area inside the air quality detector.
Another object of an embodiment of the present invention is to provide a temperature sensor value compensation apparatus, including:
the temperature value acquisition module is used for acquiring a first temperature value detected by the first temperature sensor and a second temperature value detected by the second temperature sensor;
the compensation coefficient calling module is used for reading the system time and calling a compensation coefficient;
a compensation coefficient generation module, configured to generate a compensation temperature coefficient according to the first temperature value, the second temperature value, and the compensation coefficient in a pre-established temperature sensor numerical compensation model;
the actual temperature value generation module is used for generating an actual temperature value according to the first temperature value and the compensation temperature coefficient;
the actual temperature value display module is used for displaying the actual temperature value;
the first temperature sensor is positioned on the side of the position of the opening in the air quality detector;
and the second temperature sensor is positioned in a high-temperature area inside the air quality detector.
Another object of an embodiment of the present invention is to provide an air quality detector, which includes the above temperature sensor value compensation device.
In this embodiment, the air quality detector can generate an actual temperature value according to the first temperature value and the compensation temperature coefficient, so that the problem that when a temperature sensor is placed inside the air quality detector, the temperature sensor is easily affected by a heat source of the air quality detector, an accurate temperature value cannot be detected is avoided, the detection precision of the air quality detector is reduced, and the detection precision of the air quality detector is improved.
Drawings
FIG. 1 is a flow chart of an implementation of a method for compensating a temperature sensor value according to an embodiment of the present invention;
fig. 2 is a block diagram of a temperature sensor value compensation apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 1, fig. 1 is a flowchart of an implementation of a method for compensating a temperature sensor value according to an embodiment of the present invention, which is detailed as follows:
in step S101, the air quality detector acquires a first temperature value detected by the first temperature sensor and a second temperature value detected by the second temperature sensor;
the first temperature sensor and the second temperature sensor are both sensors capable of measuring temperature, and include but are not limited to temperature sensors and temperature and humidity sensors.
The first temperature sensor is positioned on the side of the position of the opening in the air quality detector;
the position of the opening may be located in any area inside the air quality detector, such as a bottom area and a top area, which is not limited herein.
The temperature sensor is arranged on the side face of the position of the opening of the air quality detector, so that the temperature sensor is beneficial to being placed to the outside but not completely outside, and a user can not see the temperature sensor completely, and the sampling accuracy of the temperature sensor is facilitated.
And the second temperature sensor is positioned in a high-temperature area inside the air quality detector.
The second temperature sensor is arranged in a place where the heating inside the air quality detector is serious, so that the highest temperature inside the air quality detector is sampled.
In step S102, the system time is read, and the compensation coefficient is retrieved;
wherein, according to reading system time, transfer the compensation coefficient, specifically be:
reading the preset time for adjusting the compensation coefficient;
judging the time period of the read system time in a preset compensation coefficient list every other time when the compensation coefficient is taken;
adjusting a compensation coefficient corresponding to the time period;
in step S103, in a pre-established temperature sensor value compensation model, generating the compensation temperature coefficient according to the first temperature value, the second temperature value and the compensation coefficient;
the first temperature value, the second temperature value and the compensation coefficient are input into a temperature sensor numerical compensation model, and a compensation temperature coefficient is generated according to the first temperature value, the second temperature value and the compensation coefficient.
In step S104, generating an actual temperature value according to the first temperature value and the compensation temperature coefficient;
the implementation process of generating the actual temperature value according to the first temperature value and the compensation temperature coefficient is described in detail in the embodiments, and is not described herein again.
In step S105, an actual temperature value is displayed;
wherein the screen includes, but is not limited to, a screen of an LED dot matrix display.
In this embodiment, the air quality detector can generate an actual temperature value according to the first temperature value and the compensation temperature coefficient, so that the problem that when a temperature sensor is placed inside the air quality detector, the temperature sensor is easily affected by a heat source of the air quality detector, an accurate temperature value cannot be detected is avoided, the detection precision of the air quality detector is reduced, and the detection precision of the air quality detector is improved.
Example two
This embodiment mainly describes an implementation process of building a temperature sensor numerical compensation model before generating the compensation temperature coefficient according to the first temperature value, the second temperature value, and the compensation coefficient in a pre-built temperature sensor numerical compensation model, which is detailed as follows:
in a first embodiment of this embodiment, a temperature sensor value compensation model is established:
wherein t represents the system time, KtRepresenting the compensation coefficient at system time t，TtRepresenting a first temperature value at a system time t,representing a second temperature value at system time t,represents the value of the compensated temperature coefficient at the time t of the system.
In a second embodiment mode of this embodiment,
Kt∈{0.08,0.09,0.10...1},Ct∈{0,1,2...120}
wherein t represents the system time, KtRepresenting a first compensation factor, C, for a system time ttRepresenting a second compensation factor at system time T, T1tRepresenting a first temperature value at system time T, T2tRepresenting a second temperature value at system time t,t represents the value of the compensated temperature coefficient at system time t.
Wherein, CtAnd KtThe parameter is obtained by calibrating the instrument when the instrument leaves a factory, and the time period of the read system time is judged in a preset compensation coefficient list at intervals of the time for calling the compensation coefficient;
adjusting a compensation coefficient corresponding to the time period;
the compensation temperature coefficient value is generated by establishing a temperature sensor numerical compensation model and then by the temperature sensor numerical compensation model, and the compensation of the actual temperature value is completed.
EXAMPLE III
This embodiment mainly describes an implementation process of generating an actual temperature value according to the first temperature value and the compensation temperature coefficient, which is detailed as follows:
in a first embodiment of the present embodiment, the actual temperature value is generated by subtracting the compensation temperature coefficient from the first temperature value.
And subtracting the compensation temperature coefficient from the first temperature value, wherein the difference value of the first temperature value and the compensation temperature coefficient is an actual temperature value.
Wherein,where T denotes the system time, T1tRepresenting a first temperature value at a system time t,representing the compensation factor at system time T, T3tRepresenting the actual temperature value at system time t.
In this embodiment, avoided appearing placing temperature sensor inside the air quality detector, received the influence of air quality detector heat source easily, can't detect accurate temperature value, reduced the condition of the detection precision of air quality detector, improved the stability that detects to the precision of actual temperature value has been improved.
In a second embodiment of the present embodiment, a temporary temperature value is generated by subtracting the compensation temperature coefficient from the first temperature value;
subtracting the compensation temperature coefficient from the first temperature value to generate a temporary temperature value;
extracting and generating actual temperature values of N bits before time sequencing from the recorded actual temperature values;
and adding the temporary temperature value and the extracted actual temperature value, and taking an average temperature, wherein the average temperature is the current actual temperature value, and N is an integer greater than 1.
After the actual temperature value is generated, the generated actual temperature value, the generation time of the actual temperature value and the number of the actual temperature values are recorded.
And when the number of the records reaches a preset value, sequencing the recorded actual temperature values according to the generation time of the records through a sequencing function. And adding the temporary temperature value and the actual temperature value of N bits before sorting, and averaging to obtain the average temperature, wherein the average temperature is the current actual temperature value, and N is an integer greater than 1.
In the embodiment of the present invention, the number N of ranks may be set by a user, or may be defaulted by a system, which is not limited herein. Since the number of actual temperature values is large, the value of N is set by an empirical value, preferably the value of N is 20. Therefore, the actual temperature value can be generated according to the average temperature of the previous 20 actual temperature values and the temporary temperature value, the instability of the temperature data sampled by the air quality detector every time is avoided, the temperature data is more stable, and the accuracy of the obtained actual temperature value is higher.
Example four
The embodiment mainly describes a preferred implementation process for implementing the invention in practical application, and the detailed description is as follows:
and when a starting event is detected, executing the step that the air quality detector acquires a first temperature value detected by the first temperature sensor and a second temperature value detected by the second temperature sensor.
Wherein, the air quality detector is started as a trigger condition. Whether the air quality detector is started is detected through hardware or software, and when the air quality detector is detected to be started, the step that the air quality detector acquires a first temperature value detected by the first temperature sensor and a second temperature value detected by the second temperature sensor is executed, so that the step that the air quality detector acquires the first temperature value detected by the first temperature sensor and the second temperature value detected by the second temperature sensor is executed after the air quality detector is started.
EXAMPLE five
Referring to fig. 2, fig. 2 is a block diagram of a temperature sensor value compensation apparatus according to an embodiment of the present invention. For convenience of explanation, only the portions related to the present embodiment are shown.
Referring to fig. 2, the temperature sensor value compensation apparatus includes:
the temperature value acquisition module is used for acquiring a first temperature value detected by the first temperature sensor and a second temperature value detected by the second temperature sensor;
the compensation coefficient calling module is used for reading the system time and calling a compensation coefficient;
a compensation coefficient generation module, configured to generate a compensation temperature coefficient according to the first temperature value, the second temperature value, and the compensation coefficient in a pre-established temperature sensor numerical compensation model;
the actual temperature value generation module is used for generating an actual temperature value according to the first temperature value and the compensation temperature coefficient;
the actual temperature value display module is used for displaying the actual temperature value;
the first temperature sensor is positioned on the side of the position of the opening in the air quality detector;
and the second temperature sensor is positioned in a high-temperature area inside the air quality detector.
In an implementation manner of this embodiment, in the temperature sensor value compensation apparatus, the adjusting compensation coefficient module specifically includes:
the compensation device comprises a configuration unit, a compensation unit and a compensation unit, wherein the configuration unit is used for presetting a compensation coefficient list, the compensation coefficient list comprises a plurality of time periods and compensation coefficients corresponding to the time periods, and the compensation coefficients corresponding to the time periods are different;
the reading unit is used for reading the pre-configured time for adjusting the compensation coefficient;
the judging unit is used for judging the time period of the read system time in a preset compensation coefficient list every other time when the compensation coefficient is called;
and the adjusting unit is used for adjusting the compensation coefficient corresponding to the time period.
In an implementation manner of this embodiment, in the temperature sensor value compensation apparatus, a building unit is further included, configured to build a temperature sensor value compensation model:
wherein t represents the system time, KtRepresenting the compensation factor at system time T, T1tRepresenting a first temperature value at system time T, T2tRepresenting a second temperature value at system time t,t represents a compensation coefficient when the system time is t; or,
wherein t represents the system time, KtRepresenting a first compensation factor, C, for a system time ttRepresenting a second compensation factor at system time T, T1tRepresenting a first temperature value at system time T, T2tRepresenting a second temperature value at system time t,represents the value of the compensated temperature coefficient at the time t of the system.
As an embodiment of the present invention, there is provided an air quality detector including the temperature sensor value compensation device described above.
The apparatus provided in the embodiment of the present invention may be applied to the corresponding method embodiments, and for details, reference is made to the description of the embodiments above, and details are not repeated here.
Through the above description of the embodiments, those skilled in the art will clearly understand that the present invention can be implemented by software plus necessary general hardware. Based on such understanding, the technical solutions of the present invention may be substantially implemented or a part of the technical solutions contributing to the prior art may be embodied in the form of a software product, which is stored in a readable storage medium, such as a floppy disk, a hard disk, or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods according to the embodiments of the present invention.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for compensating a temperature sensor value, comprising:
acquiring a first temperature value detected by a first temperature sensor and a second temperature value detected by a second temperature sensor;
reading system time and calling a compensation coefficient;
generating a compensation temperature coefficient according to the first temperature value, the second temperature value and the compensation coefficient in a pre-established temperature sensor numerical compensation model;
generating an actual temperature value according to the first temperature value and the compensation temperature coefficient;
displaying the actual temperature value;
the first temperature sensor is positioned on the side of the position of the opening in the air quality detector;
and the second temperature sensor is positioned in a high-temperature area inside the air quality detector.
2. The method for compensating a temperature sensor value according to claim 1, wherein the compensation coefficient is adjusted according to the reading system time, specifically:
presetting a compensation coefficient list, wherein the compensation coefficient list comprises a plurality of time periods and compensation coefficients corresponding to the time periods, and the compensation coefficients corresponding to the time periods are different;
reading the preset time for adjusting the compensation coefficient;
judging the time period of the read system time in a preset compensation coefficient list every other time when the compensation coefficient is taken;
and adjusting a compensation coefficient corresponding to the time period.
3. The method of claim 1, wherein the step of generating the compensation temperature coefficient according to the first temperature value, the second temperature value and the compensation coefficient in a pre-established temperature sensor value compensation model is preceded by the steps of:
establishing a temperature sensor numerical compensation model:
wherein t represents the system time, KtRepresenting the compensation factor at system time T, T1tRepresents a first temperature value T2 when the system time is TtTo representA second temperature value at system time t,representing the compensation coefficient when the system time is t; or,
wherein t represents the system time, KtRepresenting a first compensation factor, C, for a system time ttRepresenting a second compensation factor at system time T, T1tRepresenting a first temperature value at system time T, T2tRepresenting a second temperature value at system time t,t represents the value of the compensated temperature coefficient at system time t.
4. The method for compensating a temperature sensor value according to claim 1, wherein an actual temperature value is generated according to the first temperature value and the compensation temperature coefficient, and specifically:
subtracting the compensation temperature coefficient from the first temperature value to generate an actual temperature value; or,
subtracting the compensation temperature coefficient from the first temperature value to generate a temporary temperature value,
extracting actual temperature values of N bits before generating time sequence from the recorded actual temperature values,
and adding the temporary temperature value and the extracted actual temperature value, and taking an average temperature, wherein the average temperature is the current actual temperature value, and N is an integer greater than 1.
5. The temperature sensor value compensation method according to any one of claims 1 to 4, further comprising the steps of:
and when a starting event is detected, executing the step of acquiring a first temperature value detected by the first temperature sensor and a second temperature value detected by the second temperature sensor.
6. A temperature sensor value compensation device, comprising:
the temperature value acquisition module is used for acquiring a first temperature value detected by the first temperature sensor and a second temperature value detected by the second temperature sensor;
the compensation coefficient calling module is used for reading the system time and calling a compensation coefficient;
a compensation coefficient generation module, configured to generate a compensation temperature coefficient according to the first temperature value, the second temperature value, and the compensation coefficient in a pre-established temperature sensor numerical compensation model;
the actual temperature value generation module is used for generating an actual temperature value according to the first temperature value and the compensation temperature coefficient;
the actual temperature value display module is used for displaying the actual temperature value;
the first temperature sensor is positioned on the side of the position of the opening in the air quality detector;
and the second temperature sensor is positioned in a high-temperature area inside the air quality detector.
7. The temperature sensor value compensation device according to claim 6, wherein the compensation coefficient adjusting module specifically includes:
the compensation device comprises a configuration unit, a compensation unit and a compensation unit, wherein the configuration unit is used for presetting a compensation coefficient list, the compensation coefficient list comprises a plurality of time periods and compensation coefficients corresponding to the time periods, and the compensation coefficients corresponding to the time periods are different;
the reading unit is used for reading the pre-configured time for adjusting the compensation coefficient;
the judging unit is used for judging the time period of the read system time in a preset compensation coefficient list every other time when the compensation coefficient is called;
and the adjusting unit is used for adjusting the compensation coefficient corresponding to the time period.
8. The temperature sensor value compensation device according to claim 6, further comprising a building unit configured to build a temperature sensor value compensation model:
wherein t represents the system time, KtRepresenting the compensation factor at system time T, T1tRepresenting a first temperature value at system time T, T2tRepresenting a second temperature value at system time t,t represents a compensation coefficient when the system time is t; or,
wherein t represents the system time, KtRepresenting a first compensation factor, C, for a system time ttRepresenting a second compensation factor at system time T, T1tRepresenting a first temperature value at system time T, T2tRepresenting a second temperature value at system time t,t represents the value of the compensated temperature coefficient at system time t.
9. The apparatus of claim 6 or 7, wherein the module for generating the actual temperature value comprises:
the first generating unit is used for subtracting the compensation temperature coefficient from the first temperature value to generate an actual temperature value; or may comprise, in combination with the above-mentioned,
the second generating unit is used for subtracting the compensation temperature coefficient from the first temperature value to generate a temporary temperature value;
the second extraction unit is used for extracting and generating N actual temperature values of the first time sequence from the recorded actual temperature values;
and the averaging unit is used for adding the temporary temperature value and the extracted actual temperature value to obtain an average temperature, wherein the average temperature is the current actual temperature value, and N is an integer greater than 1.
10. An air quality detector, characterized in that, it comprises the temperature sensor value compensation device of any one of claims 6 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2014/081008 WO2015196474A1 (en) | 2014-06-27 | 2014-06-27 | Method and device for temperature sensor value compensation and air quality detector |
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| CN107241160A (en) * | 2016-03-28 | 2017-10-10 | 华为技术有限公司 | The method and apparatus for determining parameter |
| CN106289563A (en) * | 2016-07-19 | 2017-01-04 | 广州视源电子科技股份有限公司 | Temperature detection method, system and device |
| CN106289563B (en) * | 2016-07-19 | 2019-09-03 | 广州视源电子科技股份有限公司 | Temperature detection method, system and device |
| CN108254098A (en) * | 2016-12-29 | 2018-07-06 | 上海大郡动力控制技术有限公司 | The real-time detection method of electric vehicle motor controller interior environment temperature |
| CN109579999A (en) * | 2017-09-29 | 2019-04-05 | 青岛海尔特种电冰柜有限公司 | Infrared sensor detects temperature correction method, system and refrigerator |
| CN109343379A (en) * | 2018-06-12 | 2019-02-15 | 山东省农业可持续发展研究所 | A kind of acquiring and processing method of agricultural data |
| CN109029576A (en) * | 2018-07-31 | 2018-12-18 | 珠海格力电器股份有限公司 | Method and system for detecting environment value |
| CN108954692A (en) * | 2018-08-01 | 2018-12-07 | 宁波奥克斯电气股份有限公司 | A kind of environment temperature calculation method and air conditioner |
| CN108954692B (en) * | 2018-08-01 | 2020-11-20 | 宁波奥克斯电气股份有限公司 | Environment temperature calculation method and air conditioner |
| CN110186518A (en) * | 2019-07-09 | 2019-08-30 | 杭州麦乐克科技股份有限公司 | A kind of temperature and humidity calibrating installation system of intelligent environment detection panel sensing equipment |
| CN114689214A (en) * | 2022-04-24 | 2022-07-01 | 佛山市川东磁电股份有限公司 | Temperature sensor testing equipment and temperature sensor compensation method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015196474A1 (en) | 2015-12-30 |
| CN104067118B (en) | 2016-09-28 |
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