CN105549126A - Rainfall sensor temperature compensation method and apparatus - Google Patents
Rainfall sensor temperature compensation method and apparatus Download PDFInfo
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- CN105549126A CN105549126A CN201511029775.2A CN201511029775A CN105549126A CN 105549126 A CN105549126 A CN 105549126A CN 201511029775 A CN201511029775 A CN 201511029775A CN 105549126 A CN105549126 A CN 105549126A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
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Abstract
The invention discloses a rainfall sensor temperature compensation method and apparatus. The rainfall sensor temperature compensation method comprises the following steps: obtaining a reference rainfall value at a preset normal temperature; continuously obtaining rainfall values in a preset temperature scope, and establishing a function relation between temperatures and the rainfall values; according to the reference rainfall value and the function relation between the temperatures and the rainfall values, calculating a compensation factor; and obtaining a rainfall value at a current temperature, and according to the compensation factor, correcting the rainfall value at the current temperature, and obtaining a current actual rainfall value. According to the invention, the rainfall value measurement accuracy of a rainfall sensor can be prevented from being affected by external temperature change, and the rainfall sensor is enabled to accurate measure the rainfall value in case of any temperature change.
Description
Technical field
The present invention relates to sensor technical field, more particularly, relate to a kind of rain sensor temperature compensation and device.
Background technology
At present, rain sensor to be used for detecting in the vehicle travels such as automobile rain event outside windshield.Rain sensor of the prior art is made up of infrared emission device, optical component, photosensitive device, photosensitive treatment circuit, infrared control circuit and microprocessor, if without rain, as shown in Figure 1, the infrared light that infrared emission device 101 sends is launched at glass 103 outside surface via optical component 102, and the infrared light after reflection is all received by photosensitive device 104; If rainy, as shown in Figure 2, the infrared light that infrared emission device 101 sends occurs to launch and refraction at glass 103 outside surface via optical component 102, and photosensor 104 receives the infrared light of part reflection, compares and reduces without the infrared light received during rain.Glass 103 outside surface rainwater is more, and the infrared light that photosensitive device 104 receives is fewer, carries out rainfall judgement thus.
But, because photosensitive device 104 temperature influence is obvious, when glass 103 outside surface rainwater is constant, the change of temperature can cause the sensitivity of photosensitive device 104 to change, thus cause the infrared light differentiated to produce change, the final glass 103 outside surface rainfall differentiated is not conformed to the actual conditions.Final purpose due to rain sensor is according to the action of glass 103 outside surface rainfall request windscreen wiper, but temperature influence, real vehicle causes windscreen wiper abnormal or when rainy windscreen wiper be failure to actuate, affect driving safety.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of rain sensor temperature compensation, rain sensor can be avoided to affect because ambient temperature change the accuracy that it measures rainfall value, make rain sensor no matter under any temperature variation, can both Measurement accuracy rainfall value.
For achieving the above object, the invention provides following technical scheme:
A kind of rain sensor temperature compensation, comprising:
Obtain the benchmark rainfall value under default normal temperature;
In preset temperature range, obtain rainfall value continuously, set up the funtcional relationship of temperature and rainfall value;
According to the funtcional relationship calculation compensation factor of described benchmark rainfall value and described temperature and rainfall value;
Obtain the rainfall value under Current Temperatures, and according to described compensating factor, the rainfall value under described Current Temperatures is revised, obtain current actual rainfall value.。
Preferably, in above-mentioned rain sensor temperature compensation, the benchmark rainfall value obtained under default normal temperature comprises:
Send default normal temperature and control signal to the incubator that inside is provided with rain sensor;
When the temperature of described incubator reaches default normal temperature μ, obtain benchmark rainfall value Rain (μ).
Preferably, in above-mentioned rain sensor temperature compensation, in preset temperature range, obtain rainfall value continuously, the funtcional relationship setting up temperature and rainfall value comprises:
Be continuously obtain rainfall value in-50 DEG C to-15 DEG C in preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is
Be continuously obtain rainfall value in-15 DEG C to 75 DEG C in described preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is Rain (t)=a
2t+b
2;
Be continuously obtain rainfall value in 75 DEG C to 100 DEG C in described preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is
Preferably, in above-mentioned rain sensor temperature compensation, before the funtcional relationship calculation compensation factor according to described benchmark rainfall value and described temperature and rainfall value, also comprise:
Least-square fitting approach is utilized to calculate parameter a in the funtcional relationship of described temperature t and rainfall value Rain (t)
1, b
1, k
1, a
2, b
2, a
1, b3, k
3.
Preferably, in above-mentioned rain sensor temperature compensation, the funtcional relationship calculation compensation factor according to described benchmark rainfall value and described temperature and rainfall value comprises:
When described preset temperature range is-50 DEG C to-15 DEG C, the compensating factor that the funtcional relationship according to described benchmark rainfall value and described temperature and rainfall value calculates is
When described preset temperature range is-15 DEG C to 75 DEG C, the compensating factor that the funtcional relationship according to described benchmark rainfall value and described temperature and rainfall value calculates is
When described preset temperature range is 75 DEG C to 100 DEG C, according to the funtcional relationship calculation compensation factor of described benchmark rainfall value and described temperature and rainfall value
Present invention also offers a kind of rain sensor temperature compensation means, comprising:
Rain sensor, for obtaining the benchmark rainfall value under default normal temperature, obtaining rainfall value continuously, obtaining the rainfall value under Current Temperatures in preset temperature range;
Counter, for setting up the funtcional relationship of temperature and rainfall value, according to the funtcional relationship calculation compensation factor of described benchmark rainfall value and described temperature and rainfall value;
Temperature compensation module, for revising the rainfall value under described Current Temperatures according to described compensating factor, obtains current actual rainfall value.
Preferably, in above-mentioned rain sensor temperature compensation means, described counter comprises:
First sets up unit, and for being obtain rainfall value continuously in-50 DEG C to-15 DEG C in preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is
Second sets up unit, and for being obtain rainfall value continuously in-15 DEG C to 75 DEG C in described preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is Rain (t)=a
2t+b
2;
3rd sets up unit, and for being obtain rainfall value continuously in 75 DEG C to 100 DEG C in described preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is
Preferably, in above-mentioned rain sensor temperature compensation means, also comprise the incubator that inside is provided with rain sensor.
Preferably, in above-mentioned rain sensor temperature compensation means, also comprise the power supply be connected with described rain sensor.
As can be seen from technique scheme, a kind of rain sensor temperature compensation provided by the present invention, comprising: obtain the benchmark rainfall value under default normal temperature; In preset temperature range, obtain rainfall value continuously, set up the funtcional relationship of temperature and rainfall value; According to the funtcional relationship calculation compensation factor of described benchmark rainfall value and described temperature and rainfall value; Obtain the rainfall value under Current Temperatures, and according to described compensating factor, the rainfall value under described Current Temperatures is revised, obtain current actual rainfall value.
Due to the easy temperature influence of photosensitive device for receiving the infrared light after glass-reflected in rain sensor, causing the part infrared light just after glass-reflected received by photosensitive device, finally causing the rainfall value of differentiation and actual rainfall value not to be inconsistent.In order to avoid the generation of this situation, a kind of rain sensor temperature compensation provided by the invention, set other conditions constant, such as dry at glass surface, under the constant condition of infrared light that infrared light emission device is launched, obtain the benchmark rainfall value under default normal temperature, benchmark rainfall value is as reference standard, rainfall value is obtained continuously in preset temperature range, set up the funtcional relationship of temperature and rainfall value, every uniform temperature interval acquiring rainfall value in preset temperature range, by a large amount of value, set up the funtcional relationship of temperature and rainfall value, the funtcional relationship calculation compensation factor of benchmark rainfall value and temperature and rainfall value, the compensating factor that different temperature ranges obtains is also different, obtain the rainfall value under Current Temperatures, rainfall value under Current Temperatures is the rainfall value after affecting by Current Temperatures, be inaccurate, suitable compensating factor is chosen according to Current Temperatures, and calculate current actual rainfall value according to the rainfall value under described Current Temperatures and described compensating factor, correction is carried out to the rainfall value under Current Temperatures and obtains current actual rainfall value, the current actual rainfall value now obtained is the formation after being corrected by compensating factor, make the photosensitive device in rain sensor only relevant with the infrared light received, have nothing to do with Current Temperatures, can actual response glass outer surface rain event, avoid in driving conditions because rain sensor affects the windscreen wiper of appearance extremely by Current Temperatures, ensure that driving safety.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 be in prior art a kind of rain sensor without the principle schematic under rain environment;
Fig. 2 is the principle schematic of a kind of rain sensor under rainy environment in prior art;
A kind of rain sensor temperature compensation schematic diagram that Fig. 3 provides for the embodiment of the present invention;
The function relation curve of the temperature that Fig. 4 provides for the embodiment of the present invention and rainfall value;
A kind of rain sensor temperature compensation means schematic diagram that Fig. 5 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 3, a kind of rain sensor temperature compensation schematic diagram that Fig. 3 provides for the embodiment of the present invention.
In a kind of concrete embodiment, a kind of rain sensor temperature compensation provided by the invention, comprising:
Step S10: obtain the benchmark rainfall value under default normal temperature;
Step S20: obtain rainfall value continuously in preset temperature range, set up the funtcional relationship of temperature and rainfall value;
Step S30: according to the funtcional relationship calculation compensation factor of described benchmark rainfall value and described temperature and rainfall value;
Step S40: obtain the rainfall value under Current Temperatures, and according to described compensating factor, the rainfall value under described Current Temperatures is revised, obtain current actual rainfall value.
In the present embodiment, due to the easy temperature influence of photosensitive device for receiving the infrared light after glass-reflected in rain sensor, cause the part infrared light just after glass-reflected received by photosensitive device, finally cause the rainfall value of differentiation and actual rainfall value not to be inconsistent.In order to avoid the generation of this situation, a kind of rain sensor temperature compensation provided by the invention, set other conditions constant, such as dry at glass surface, under the constant condition of infrared light that infrared light emission device is launched, obtain the benchmark rainfall value under default normal temperature, benchmark rainfall value is as reference standard, rainfall value is obtained continuously in preset temperature range, set up the funtcional relationship of temperature and rainfall value, every uniform temperature interval acquiring rainfall value in preset temperature range, by a large amount of value, set up the funtcional relationship of temperature and rainfall value, the funtcional relationship calculation compensation factor of benchmark rainfall value and temperature and rainfall value, the compensating factor that different temperature ranges obtains is also different, obtain the rainfall value under Current Temperatures, rainfall value under Current Temperatures is the rainfall value after affecting by Current Temperatures, be inaccurate, suitable compensating factor is chosen according to Current Temperatures, and calculate current actual rainfall value according to the rainfall value under described Current Temperatures and described compensating factor, the current actual rainfall value now obtained is the formation after being corrected by compensating factor, make the photosensitive device in rain sensor only relevant with the infrared light received, have nothing to do with Current Temperatures, can actual response glass outer surface rain event, avoid in driving conditions because rain sensor affects the windscreen wiper of appearance extremely by Current Temperatures, ensure that driving safety.
The embodiment of the invention discloses a kind of concrete rain sensor temperature compensation, relative to a upper embodiment, the present embodiment has been done to further illustrate and optimize to technical scheme.Concrete:
Further, the infrared light received for the photosensitive device guaranteed in rain sensor is constant, ensures that glass outer surface is dry, and infrared emission device transmitting infrared light is constant, and the benchmark rainfall value obtained under default normal temperature comprises:
Step S11: send default normal temperature and control signal to the incubator that inside is provided with rain sensor;
Step S12: when the temperature of described incubator reaches default normal temperature μ, obtains benchmark rainfall value Rain (μ).
It is pointed out that default normal temperature μ is 25 DEG C in the present embodiment, default normal temperature can change according to the difference in region season, includes but not limited to 25 DEG C.
Further, in preset temperature range, obtain rainfall value continuously, the funtcional relationship setting up temperature and rainfall value comprises:
Be continuously obtain rainfall value in-50 DEG C to-15 DEG C in preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is
Be continuously obtain rainfall value in-15 DEG C to 75 DEG C in described preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is Rain (t)=a
2t+b
2;
Be continuously obtain rainfall value in 75 DEG C to 100 DEG C in described preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is
In the present embodiment, temperature slowly raises from-50 DEG C, often raise 1 DEG C of photosensitive device and read a rainfall value, constant temperature is elevated to 100 DEG C, the value of reading is designated as Rain (-50) ... Rain (100), these rainfall values temperature is corresponding thereto drawn out the function relation curve of temperature and rainfall value, as shown in Figure 4, in low-temperature space (-50 DEG C to-15 DEG C) and the change of high-temperature region (75 DEG C to 100 DEG C) exponent function relation, namely temperature lower rainfall value rises faster, and temperature higher rainfall value declines faster; And in intermediate temperature area (-15 DEG C to 75 DEG C) substantially linear change, namely rainfall value is in intermediate temperature area change slowly, and proportional relation.Vary with temperature feature according to rainfall value, read value is expressed as following relation: in preset temperature range in-50 DEG C to-15 DEG C, the funtcional relationship of Rain (t) is
described preset temperature range be-15 DEG C in 75 DEG C, Rain (t)=a
2t+b
2; State preset temperature range be 75 DEG C in 100 DEG C,
Further, before the funtcional relationship calculation compensation factor according to described benchmark rainfall value and described temperature and rainfall value, also comprise: utilize least-square fitting approach to calculate parameter a in the funtcional relationship of described temperature t and rainfall value Rain (t)
1, b
1, k
1, a
2, b
2, a
1, b
3, k
3.By parameter a
1, b
1, k
1, a
2, b
2, a
1, b
3, k
3be stored in read-only memory ROM.
Further, the funtcional relationship calculation compensation factor according to described benchmark rainfall value and described temperature and rainfall value comprises:
When described preset temperature range is-50 DEG C to-15 DEG C, the compensating factor that the funtcional relationship according to described benchmark rainfall value and described temperature and rainfall value calculates is
When described preset temperature range is-15 DEG C to 75 DEG C, the compensating factor that the funtcional relationship according to described benchmark rainfall value and described temperature and rainfall value calculates is
When described preset temperature range is 75 DEG C to 100 DEG C, according to the funtcional relationship calculation compensation factor of described benchmark rainfall value and described temperature and rainfall value
Finally, obtain the rainfall value Rain (T) under Current Temperatures T, and calculate current actual rainfall value according to the rainfall value Rain (T) under described Current Temperatures and described compensating factor Ra (t).Be specially Rain
cOMP=Ra (T) Rain (T).
It is to be noted; preset temperature range includes but not limited to-50 DEG C to 100 DEG C; temperature interval during continuous acquisition rainfall value includes but not limited to 1 DEG C, and low temperature range, high temperature range and intermediate temperature range all adjust, all within protection domain according to different geographical or season.Meanwhile, due to region and the difference in season, obtain rainfall value continuously in preset temperature range thus the funtcional relationship of the temperature set up and rainfall value is also incomplete same, the funtcional relationship of the temperature obtained according to actual conditions and rainfall value is all within protection domain.
The embodiment of the present invention additionally provides a kind of rain sensor temperature compensation means, corresponding with above-mentioned rain sensor temperature compensation, and see Fig. 5, rain sensor temperature compensation means, comprising:
Rain sensor 101, for obtaining the benchmark rainfall value under default normal temperature, obtains rainfall value continuously, and obtains the rainfall value under Current Temperatures in preset temperature range;
Counter 102, for setting up the funtcional relationship of temperature and rainfall value, according to the funtcional relationship calculation compensation factor of described benchmark rainfall value and described temperature and rainfall value;
Temperature compensation module, for revising the rainfall value under described Current Temperatures according to described compensating factor, obtains current actual rainfall value.
Concrete, rain sensor 101 is connected with glass 103, mainly comprise infrared emission device and photosensitive device, when glass keeps dry, infrared emission device sends constant infrared light to glass surface, reflection of glass surface infrared light is to photosensitive device, photosensitive device receives infrared light and obtains rainfall value, under glass or surrounding environment are in default normal temperature, or when rain sensor 101 itself is under default normal temperature, photosensitive device obtains benchmark rainfall value, other condition is constant, only change the temperature of glass or environment, namely in preset temperature range, photosensitive device obtains benchmark rainfall value and obtains rainfall value continuously, communication module 104 is by the benchmark rainfall value under default normal temperature, each temperature value in the rainfall value obtained continuously in preset temperature range and preset temperature range transfers in counter, the funtcional relationship of temperature and rainfall value set up by counter 102, according to the funtcional relationship calculation compensation factor of described benchmark rainfall value and described temperature and rainfall value, temperature compensation module is used for revising the rainfall value under described Current Temperatures according to described compensating factor, obtain current actual rainfall value.
Further, in above-mentioned rain sensor temperature compensation means, described counter comprises:
First sets up unit, and for being obtain rainfall value continuously in-50 DEG C to-15 DEG C in preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is
Second sets up unit, and for being obtain rainfall value continuously in-15 DEG C to 75 DEG C in described preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is Rain (t)=a
2t+b
2;
3rd sets up unit, and for being obtain rainfall value continuously in 75 DEG C to 100 DEG C in described preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is
Further, in order to ensure that rain sensor is in a variable temperature environment, the incubator 105 that inside is provided with rain sensor is also comprised.
Further, the controller 106 be connected with described incubator 105 and described counter 102, for sending temperature control signals to described incubator 105, reads temperature value in described incubator 105 simultaneously.Concrete, controller 106 sends default normal temperature μ and controls signal to the incubator 105 that inside is provided with rain sensor 101, the temperature of incubator 105 changes thereupon, until temperature reaches default normal temperature μ in the incubator 105 that reads of controller 106, when the temperature of described incubator 105 reaches default normal temperature μ, rain sensor 101 obtains benchmark rainfall value Rain (μ).
Further, also comprise the power supply 107 be connected with described rain sensor, power supply 107 is powered for giving rain sensor 101.
It is to be noted; in order to ensure that rain sensor 101 is arranged in the environment of a temperature control; include but not limited at rain sensor outer setting incubator 105; incubator 105 just wherein a kind of provide rain sensor test required for temperature environment; according to actual conditions; the temperature environment that alternate manner provides controlled can also be selected, all within protection domain.
A kind of rain sensor temperature compensation of thering is provided of the present invention and device, rain sensor can be avoided to affect because of ambient temperature change the accuracy that it measures rainfall value, make rain sensor no matter under any temperature variation, can both Measurement accuracy rainfall value.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a rain sensor temperature compensation, is characterized in that, comprising:
Obtain the benchmark rainfall value under default normal temperature;
In preset temperature range, obtain rainfall value continuously, set up the funtcional relationship of temperature and rainfall value;
According to the funtcional relationship calculation compensation factor of described benchmark rainfall value and described temperature and rainfall value;
Obtain the rainfall value under Current Temperatures, and according to described compensating factor, the rainfall value under described Current Temperatures is revised, obtain current actual rainfall value.
2. rain sensor temperature compensation as claimed in claim 1, is characterized in that, the benchmark rainfall value obtained under default normal temperature comprises:
Send default normal temperature and control signal to the incubator that inside is provided with rain sensor;
When the temperature of described incubator reaches default normal temperature μ, obtain benchmark rainfall value Rain (μ).
3. rain sensor temperature compensation as claimed in claim 2, is characterized in that, in preset temperature range, obtain rainfall value continuously, the funtcional relationship setting up temperature and rainfall value comprises:
Be continuously obtain rainfall value in-50 DEG C to-15 DEG C in preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is
Be continuously obtain rainfall value in-15 DEG C to 75 DEG C in described preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is Rain (t)=a
2t+b
2;
Be continuously obtain rainfall value in 75 DEG C to 100 DEG C in described preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is
4. rain sensor temperature compensation as claimed in claim 3, is characterized in that, before the funtcional relationship calculation compensation factor according to described benchmark rainfall value and described temperature and rainfall value, also comprises:
Least-square fitting approach is utilized to calculate parameter a in the funtcional relationship of described temperature t and rainfall value Rain (t)
1, b
1, k
1, a
2, b
2, a
1, b3, k
3.
5. rain sensor temperature compensation as claimed in claim 4, it is characterized in that, the funtcional relationship calculation compensation factor according to described benchmark rainfall value and described temperature and rainfall value comprises:
When described preset temperature range is-50 DEG C to-15 DEG C, the compensating factor that the funtcional relationship according to described benchmark rainfall value and described temperature and rainfall value calculates is
When described preset temperature range is-15 DEG C to 75 DEG C, the compensating factor that the funtcional relationship according to described benchmark rainfall value and described temperature and rainfall value calculates is
When described preset temperature range is 75 DEG C to 100 DEG C, according to the funtcional relationship calculation compensation factor of described benchmark rainfall value and described temperature and rainfall value
6. a rain sensor temperature compensation means, is characterized in that, comprising:
Rain sensor, for obtaining the benchmark rainfall value under default normal temperature, obtaining rainfall value continuously, obtaining the rainfall value under Current Temperatures in preset temperature range;
Counter, for setting up the funtcional relationship of temperature and rainfall value, according to the funtcional relationship calculation compensation factor of described benchmark rainfall value and described temperature and rainfall value;
Temperature compensation module, for revising the rainfall value under described Current Temperatures according to described compensating factor, obtains current actual rainfall value.
7. rain sensor temperature compensation means as claimed in claim 6, it is characterized in that, described counter comprises:
First sets up unit, and for being obtain rainfall value continuously in-50 DEG C to-15 DEG C in preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is
Second sets up unit, and for being obtain rainfall value continuously in-15 DEG C to 75 DEG C in described preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is Rain (t)=a
2t+b
2;
3rd sets up unit, and for being obtain rainfall value continuously in 75 DEG C to 100 DEG C in described preset temperature range, the funtcional relationship setting up temperature t and rainfall value Rain (t) is
8. rain sensor temperature compensation means as claimed in claim 7, is characterized in that, also comprise the incubator that inside is provided with described rain sensor.
9. rain sensor temperature compensation means as claimed in claim 8, is characterized in that, also comprise:
The controller be connected with described incubator and described counter, for sending temperature control signals to described incubator, reads temperature value in described incubator simultaneously.
10. rain sensor temperature compensation means as claimed in claim 9, is characterized in that, also comprise the power supply be connected with described rain sensor.
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| CN110133757A (en) * | 2019-05-22 | 2019-08-16 | 北京汽车股份有限公司 | Rainfall light sensor scaling method and device, storage medium |
| CN110133757B (en) * | 2019-05-22 | 2021-10-22 | 北京汽车股份有限公司 | Rainfall light sensor calibration method and device and storage medium |
| CN113933914A (en) * | 2021-09-26 | 2022-01-14 | 东风柳州汽车有限公司 | Anti-interference rainfall detection method and device |
| CN113933914B (en) * | 2021-09-26 | 2023-08-08 | 东风柳州汽车有限公司 | Anti-interference rainfall detection method and equipment |
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