CN111026187A - Temperature compensation method under different power requirements - Google Patents
Temperature compensation method under different power requirements Download PDFInfo
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- CN111026187A CN111026187A CN201911155718.7A CN201911155718A CN111026187A CN 111026187 A CN111026187 A CN 111026187A CN 201911155718 A CN201911155718 A CN 201911155718A CN 111026187 A CN111026187 A CN 111026187A
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- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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Abstract
The invention discloses a temperature compensation method under different power requirements, which comprises the following steps: acquiring a reference temperature in an IEEE802.11 mode; writing the obtained reference temperature into a corresponding register; starting a temperature compensation function, and detecting a temperature value in an actual working mode by a system; comparing the detected temperature value in the actual working mode with a reference temperature; and performing temperature compensation according to the comparison result. According to the temperature compensation method under different power requirements, after the temperature compensation function is started, the system can compare the actually detected temperature value with the reference temperature, correspondingly increase the power compensation, and ensure the stability of the output power.
Description
Technical Field
The invention relates to a temperature compensation method under different power requirements.
Background
When the electronic product works, one part of consumed power is output as useful power, and the other part of consumed power is converted into heat energy by electric energy, so that the temperature of components of the product is increased. Temperature variations can affect the operating state of electronic circuits and circuit performance, such as a lower output power of the IC after a temperature increase. Therefore, in order to ensure the stability of the output power, a circuit for adding temperature detection and power compensation in the circuit design is needed, which can ensure the temperature compensation under different power requirements.
Disclosure of Invention
In order to solve the above problems, the present invention provides a temperature compensation method under different power requirements, after the temperature compensation function is turned on, the system compares the actually detected temperature value with the reference temperature, and correspondingly increases the power compensation to ensure the stability of the output power.
The invention relates to a temperature compensation method under different power requirements, which comprises the following steps:
step S1: acquiring a reference temperature in an IEEE802.11 mode;
step S2: writing the obtained reference temperature into a corresponding register;
step S3: starting a temperature compensation function, and detecting a temperature value in an actual working mode by a system;
step S4: comparing the detected temperature value in the actual working mode with a reference temperature;
step S5: and performing temperature compensation according to the comparison result.
In the foregoing solution, the IEEE802.11 mode in step S1 includes an IEEE802.11b mode and an IEEE802.11n mode.
In the foregoing solution, the step S1 includes:
step S111: in the IEEE802.11b mode, a reference temperature Tb1 is acquired;
step S112: writing the acquired reference temperature Tb1 into a first register;
step S113: the temperature compensation function is turned on, and the system detects a temperature value tb1 in the actual working mode;
step S114: comparing the detected temperature value Tb1 in the actual operation mode with the reference temperature Tb 1;
step S115: and performing temperature compensation according to the comparison result.
In the foregoing solution, the step S1 includes:
step S121: acquiring a reference temperature Tn1 in an IEEE802.11n mode;
step S122: writing the acquired reference temperature Tn1 into a second register;
step S123: the temperature compensation function is turned on, and the system detects a temperature value tn1 in the actual working mode;
step S124: comparing the detected temperature value Tn1 in the actual operation mode with the reference temperature Tn 1;
step S125: and performing temperature compensation according to the comparison result.
In the above scheme, the transmission power in the IEEE802.11b mode is 20 dBm.
In the above scheme, the transmission power in the IEEE802.11n mode is 12 dBm.
The invention has the advantages and beneficial effects that: after the temperature compensation function is started, the system compares the actually detected temperature value with the reference temperature, correspondingly increases the power compensation and ensures the stability of the output power.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, the present invention is a temperature compensation method under different power requirements, comprising the following steps:
step S1: acquiring a reference temperature in an IEEE802.11 mode;
step S2: writing the obtained reference temperature into a corresponding register;
step S3: starting a temperature compensation function, and detecting a temperature value in an actual working mode by a system;
step S4: comparing the detected temperature value in the actual working mode with a reference temperature;
step S5: and performing temperature compensation according to the comparison result.
Specifically, the IEEE802.11 mode in step S1 includes an IEEE802.11b mode and an IEEE802.11n mode. Wherein, the transmitting power under the IEEE802.11b mode is 20dBm, and the transmitting power under the IEEE802.11n mode is 12 dBm.
Further, the step S1 includes:
step S111: in the IEEE802.11b mode, a reference temperature Tb1 is acquired;
step S112: writing the acquired reference temperature Tb1 into a first register;
step S113: the temperature compensation function is turned on, and the system detects a temperature value tb1 in the actual working mode;
step S114: comparing the detected temperature value Tb1 in the actual operation mode with the reference temperature Tb 1;
step S115: and performing temperature compensation according to the comparison result.
For example, acquiring a reference temperature value in 802.11b mode, i.e. 55 degrees corresponding to Tb1, writing it into the register, when transmitting in b mode, the detected temperature Tb1 is always less than the reference temperature Tb1, resulting in the transmission power in b mode always decreasing more severely than when the temperature compensation function is not turned on.
Further, step S1 includes:
step S121: acquiring a reference temperature Tn1 in an IEEE802.11n mode;
step S122: writing the acquired reference temperature Tn1 into a second register;
step S123: the temperature compensation function is turned on, and the system detects a temperature value tn1 in the actual working mode;
step S124: comparing the detected temperature value Tn1 in the actual operation mode with the reference temperature Tn 1;
step S125: and performing temperature compensation according to the comparison result.
For example, a reference temperature value is obtained in 802.11n mode, i.e. 38 degrees corresponds to a value Tn0, and is written into a register, and when transmitting in b mode, the detected temperature tb _0 is greater than the reference temperature Tn0, because the difference from the reference temperature is large, so that the transmission power in b mode will increase suddenly and is uncontrollable when the transmission power calibration parameter is obtained.
The temperature compensation reference value is obtained at short-time temperature, only one temperature reference value is written into the register, and after the temperature compensation function is started, the system compares the actually detected temperature value with the reference temperature, correspondingly increases power compensation and ensures the stability of output power.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A method for compensating for temperature under varying power requirements, comprising the steps of:
step S1: acquiring a reference temperature in an IEEE802.11 mode;
step S2: writing the obtained reference temperature into a corresponding register;
step S3: starting a temperature compensation function, and detecting a temperature value in an actual working mode by a system;
step S4: comparing the detected temperature value in the actual working mode with a reference temperature;
step S5: and performing temperature compensation according to the comparison result.
2. The method according to claim 1, wherein the IEEE802.11 mode in the step S1 includes an IEEE802.11b mode and an IEEE802.11n mode.
3. The method for temperature compensation under different power requirements of claim 2, wherein said step S1 comprises:
step S111: in the IEEE802.11b mode, a reference temperature Tb1 is acquired;
step S112: writing the acquired reference temperature Tb1 into a first register;
step S113: the temperature compensation function is turned on, and the system detects a temperature value tb1 in the actual working mode;
step S114: comparing the detected temperature value Tb1 in the actual operation mode with the reference temperature Tb 1;
step S115: and performing temperature compensation according to the comparison result.
4. The method for temperature compensation under different power requirements of claim 2, wherein said step S1 comprises:
step S121: acquiring a reference temperature Tn1 in an IEEE802.11n mode;
step S122: writing the acquired reference temperature Tn1 into a second register;
step S123: the temperature compensation function is turned on, and the system detects a temperature value tn1 in the actual working mode;
step S124: comparing the detected temperature value Tn1 in the actual operation mode with the reference temperature Tn 1;
step S125: and performing temperature compensation according to the comparison result.
5. The method of claim 3, wherein the transmit power in IEEE802.11b mode is 20 dBm.
6. The method of claim 4, wherein the transmit power in IEEE802.11n mode is 12 dBm.
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| CN201911155718.7A CN111026187A (en) | 2019-11-22 | 2019-11-22 | Temperature compensation method under different power requirements |
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Application publication date: 20200417 |