CN104990643A - Terminal ambient temperature testing method based on double temperature sensors - Google Patents
Terminal ambient temperature testing method based on double temperature sensors Download PDFInfo
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- CN104990643A CN104990643A CN201510366107.2A CN201510366107A CN104990643A CN 104990643 A CN104990643 A CN 104990643A CN 201510366107 A CN201510366107 A CN 201510366107A CN 104990643 A CN104990643 A CN 104990643A
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Abstract
The invention discloses a terminal ambient temperature testing method based on double temperature sensors, and the method comprises the following steps: disposed two temperature sensors in a terminal product, wherein one temperature sensor is disposed on a main control board, and the other temperature sensor is disposed to be adjacent to a case; reading the data of the temperature sensor disposed on the main control circuit board; eliminating the nonuniform impact from internal temperature of a terminal, and calculating and obtaining temperature data t1; reading the data of the temperature sensor disposed to be adjacent to the case; calculating and obtaining the rough temperature data t2 of the exterior of the case; prestoring the corresponding relation curves of t1 and t2 with the external actual temperature in the terminal, taking t1 and t2 into a corresponding relation through a processor in the terminal through analysis, and obtaining accurate temperature t3. The method achieves the quick and accurate measurement of external environment temperature, is accurate in measurement, prevents the self-heating from affecting the measurement of environment temperature, and solves a problem that a built-in sensor cannot achieve the accurate measurement of environment temperature.
Description
Technical field
The present invention relates to terminal environment temperature technical field of measurement and test, specifically a kind of terminal environments temperature testing method based on double temperature sensor.
Background technology
Current end product integrated sensor kind comparatively horn of plenty, user obtains demand to the environmental parameter comprising temperature and day by day improves.Conventional terminal realizes the measurement to environment temperature by the method for inner integrated temperature induction pick-up.Because need produce heat during terminal self work, built-in sensors is comparatively large to the measuring error of external temperature, and external standalone sensor volume large, carry inconvenience, most users request for utilization can not be met.
The patent document of existing application: number of patent application is " CN2012102613519 ", name is called " a kind of computer server cooling system and carry out the method for radiating and cooling ", this document disclose " a kind of computer server cooling system and carry out the method for radiating and cooling; it comprises control module, temperature sense module, server and is arranged on server machine some heat abstractors cashier's office in a shop; heat abstractor comprises compressor, condenser and evaporator; compressor is DC frequency-changeable compressor, and the working power of heat abstractor inputs from server; Temperature sense module is used for the surface temperature of the internal electronic component of monitor server; Control module comprises induction module and coupled execution module, utilization rate change when induction module works for the internal electronic component detecting server and the change of monitoring server main board work electric current, execution module is used for processing the signal of induction module and temperature sense module transfer, and controls the operation of heat abstractor.The present invention can effectively be freezed fast, saves energy, improves radiating efficiency.And structure is simple, and volume is little, and efficiency is high, and installation and maintenance is all very convenient ".
Number of patent application is " CN02131663.5 ", name is called " a kind of active control type computer system heat radiation and silencing method ", this document disclose that " a kind of active control type computer system heat radiation and silencing method, in cabinet, back upper place is fixed with active control type power supply, AGP video card, PCI Mezzanine Card, central processing unit (CPU) and mainboard, active control type cpu heat, is also provided with active control type system fan.Power supply circuit board arranges a thermistor near power supply air inlet, is connected in series with between power supply fan and power circuit; System radiating fan body on cabinet back arranges a thermistor, is connected in series with between this fan and mainboard.When the temperature variation of thermistor induction, make its rotation speed of the fan that corresponding change occur.Cpu heat is located at below power supply air inlet, and radiator fan is controlled by the cpu temperature supervisory circuit on mainboard ".
, all there is the problem that the measuring error of built-in sensors to external temperature is larger in above-mentioned open file.
summary of the invention
Technical assignment of the present invention is to provide a kind of terminal environments temperature testing method based on double temperature sensor.
Technical assignment of the present invention realizes in the following manner, and the step of this terminal environments temperature testing method is as follows:
Step 1: at the built-in two pieces of temperature sensors of end product, one piece of temperature sensor is arranged on main control board, and another piece of temperature sensor is arranged near casing;
Step 2: read the temperature sensor data be arranged on main control board;
Step 3: get rid of the impact of terminal inner non-uniform temperature, calculate and obtain temperature data t1;
Step 4: read the temperature sensor data be arranged near casing;
Step 5: calculate and obtain the outside rough temperature data t2 of casing;
Step 6: prestore t1, t2 and outside actual temperature corresponding relation curve in terminal, by analyzing, terminal inner treater brings t1, t2 into corresponding relation formula, obtains accurate temperature t3.
In described step 1, the temperature sensor on main control board, away from the larger device of thermal value, is placed near casing sensor.
In described step 5, calculating the casing external temperature data t2 obtained affects higher than outside actual temperature by terminal self-heating, and temperature error is inserted relation curve.
A kind of terminal environments temperature testing method based on double temperature sensor of the present invention compared to the prior art, there is the features such as reasonable in design, easy to operate, pass through algorithm compensation, realize quick, the Measurement accuracy of ambient temperature, avoid the impact of self-heating on ambient temperature measurement, solving built-in sensors can not to the problem of ambient temperature Measurement accuracy.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of FB(flow block) of the terminal environments temperature testing method based on double temperature sensor.
Accompanying drawing 2 is a kind of signal wiring schematic diagram of the terminal environments temperature testing method based on double temperature sensor.
Embodiment
Embodiment 1:
The step of this terminal environments temperature testing method is as follows:
Step 1: at the built-in two pieces of temperature sensors of end product, one piece of temperature sensor is arranged on main control board, and another piece of temperature sensor is arranged near casing;
Step 2: read the temperature sensor data be arranged on main control board;
Step 3: get rid of the impact of terminal inner non-uniform temperature, calculate and obtain temperature data t1;
Step 4: read the temperature sensor data be arranged near casing;
Step 5: calculate and obtain the outside rough temperature data t2 of casing;
Step 6: prestore t1, t2 and outside actual temperature corresponding relation curve in terminal, by analyzing, terminal inner treater brings t1, t2 into corresponding relation formula, obtains accurate temperature t3.
Embodiment 2:
The step of this terminal environments temperature testing method is as follows:
Step 1: at the built-in two pieces of temperature sensors of end product, one piece of temperature sensor is arranged on main control board, and another piece of temperature sensor is arranged near casing; Temperature sensor on main control board, away from the larger device of thermal value, is placed near casing sensor;
Step 2: read the temperature sensor data be arranged on main control board;
Step 3: get rid of the impact of terminal inner non-uniform temperature, calculate and obtain temperature data t1;
Step 4: read the temperature sensor data be arranged near casing;
Step 5: calculate and obtain the outside rough temperature data t2 of casing, casing external temperature data t2 affects higher than outside actual temperature by terminal self-heating, and temperature error is inserted relation curve;
Step 6: prestore t1, t2 and outside actual temperature corresponding relation curve in terminal, by analyzing, terminal inner treater brings t1, t2 into corresponding relation formula, obtains accurate temperature t3.
By embodiment above, described those skilled in the art can be easy to realize the present invention.But should be appreciated that the present invention is not limited to above-mentioned several embodiments.On the basis of disclosed embodiment, described those skilled in the art can the different technical characteristic of combination in any, thus realizes different technical schemes.
Claims (3)
1. based on a terminal environments temperature testing method for double temperature sensor, it is characterized in that, the step of this terminal environments temperature testing method is as follows:
Step 1: at the built-in two pieces of temperature sensors of end product, one piece of temperature sensor is arranged on main control board, and another piece of temperature sensor is arranged near casing;
Step 2: read the temperature sensor data be arranged on main control board;
Step 3: get rid of the impact of terminal inner non-uniform temperature, calculate and obtain temperature data t1;
Step 4: read the temperature sensor data be arranged near casing;
Step 5: calculate and obtain the outside rough temperature data t2 of casing;
Step 6: prestore t1, t2 and outside actual temperature corresponding relation curve in terminal, by analyzing, terminal inner treater brings t1, t2 into corresponding relation formula, obtains accurate temperature t3.
2. a kind of terminal environments temperature testing method based on double temperature sensor according to claim 1, is characterized in that, in described step 1, the temperature sensor on main control board, away from the larger device of thermal value, is placed near casing sensor.
3. a kind of terminal environments temperature testing method based on double temperature sensor according to claim 1, it is characterized in that, in described step 5, calculate the casing external temperature data t2 obtained to affect higher than outside actual temperature by terminal self-heating, temperature error is inserted relation curve.
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| CN201510366107.2A CN104990643A (en) | 2015-06-29 | 2015-06-29 | Terminal ambient temperature testing method based on double temperature sensors |
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| CN201510366107.2A CN104990643A (en) | 2015-06-29 | 2015-06-29 | Terminal ambient temperature testing method based on double temperature sensors |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107677318A (en) * | 2017-10-31 | 2018-02-09 | 宝力马（苏州）传感技术有限公司 | Wall-mounted humiture transducer and spontaneous heating humiture compensation method |
| 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 |
| CN109028445A (en) * | 2018-06-19 | 2018-12-18 | 珠海格力电器股份有限公司 | Temperature and humidity sensor mounting method, air conditioner and control method |
| CN110193389A (en) * | 2018-02-27 | 2019-09-03 | 株式会社岛津制作所 | Heater box |
| CN110207335A (en) * | 2019-06-24 | 2019-09-06 | 广东美的暖通设备有限公司 | Control equipment, detection method, air-conditioner system and readable storage medium storing program for executing |
| CN110553758A (en) * | 2019-09-09 | 2019-12-10 | 珠海格力电器股份有限公司 | temperature detection device and method |
| CN111787428A (en) * | 2020-06-24 | 2020-10-16 | Oppo广东移动通信有限公司 | User terminal equipment |
| CN111966142A (en) * | 2020-08-14 | 2020-11-20 | 深圳市欧瑞博科技股份有限公司 | Intelligent temperature detection method and device and intelligent control device |
| CN112050970A (en) * | 2020-08-14 | 2020-12-08 | 中国神华能源股份有限公司国华电力分公司 | Environment monitoring method and device |
| CN113503987A (en) * | 2021-06-25 | 2021-10-15 | 深圳感臻科技有限公司 | Method and system for optimizing accuracy of built-in temperature sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111787428A (en) * | 2020-06-24 | 2020-10-16 | Oppo广东移动通信有限公司 | User terminal equipment |
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| CN111966142A (en) * | 2020-08-14 | 2020-11-20 | 深圳市欧瑞博科技股份有限公司 | Intelligent temperature detection method and device and intelligent control device |
| CN112050970A (en) * | 2020-08-14 | 2020-12-08 | 中国神华能源股份有限公司国华电力分公司 | Environment monitoring method and device |
| CN113503987A (en) * | 2021-06-25 | 2021-10-15 | 深圳感臻科技有限公司 | Method and system for optimizing accuracy of built-in temperature sensor |
| CN113503987B (en) * | 2021-06-25 | 2024-05-28 | 深圳感臻智能股份有限公司 | Method and system for optimizing accuracy of built-in temperature sensor |
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Application publication date: 20151021 |