CN109001712A - A kind of infrared ray range sensor calibration method and intelligent appliance - Google Patents
A kind of infrared ray range sensor calibration method and intelligent appliance Download PDFInfo
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- CN109001712A CN109001712A CN201810732134.0A CN201810732134A CN109001712A CN 109001712 A CN109001712 A CN 109001712A CN 201810732134 A CN201810732134 A CN 201810732134A CN 109001712 A CN109001712 A CN 109001712A
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- infrared ray
- calibration
- range sensor
- mark object
- testing result
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/497—Means for monitoring or calibrating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Geophysics And Detection Of Objects (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses a kind of infrared ray range sensor calibration method and intelligent appliances, which is characterized in that the described method includes: setting infrared ray range sensor and calibration mark object with pre-determined distance；Setting infrared ray range sensor enters calibration mode, detects the calibration mark object, obtains testing result；The testing result is compared acquisition comparison result with the pre-determined distance, judges that the comparison result meets a threshold value, exits calibration mode and complete to calibrate.The present invention passes through in the method for pre-determined distance setting infrared ray range sensor and normalization markers, the reliability for effectively increasing infrared ray range sensor detection data compensates for infrared ray range sensor and is assemblied in the larger problem of the deviation occurred when other equipment.
Description
Technical field
The present invention relates to the range sensor field of electronic equipment, in particular to a kind of calibration of infrared ray range sensor
Method.
Background technique
Existing many intelligent appliances, such as refrigerator all start to be equipped with screen, are efficiently called out for convenience by contactless
The system of waking up, infrared ray range sensor become important selection, are furthermore also developed based on many applications for obtaining distance
To be suitable for different scenes.But due to outside the infrared ray range sensor of intelligent appliance product all can cover glass, with
And the difference of build-up tolerance and infrared ray range sensor itself, cause the tolerance of infrared ray range sensor larger, Er Qieyi
Cause property is also poor.It is more expensive using price if 3D camera in order to solve this problem, it can not be in common intelligent appliance
In popularize, therefore the program not can effectively solve the problem of the big consistency difference of infrared ray range sensor tolerance.
Summary of the invention
In view of the above-mentioned technical problems in the prior art, the technical problem to be solved is that offers for the embodiment of the present invention
A kind of infrared ray range sensor calibration method and intelligent appliance, can be such that infrared ray range sensor error significantly drops
It is low, improve the reliability of infrared ray range sensor testing result.
In order to solve the above-mentioned technical problem, the embodiment of the present invention adopts the technical scheme that
A kind of infrared ray range sensor calibration method, which is characterized in that the described method includes:
Infrared ray range sensor and calibration mark object are set with pre-determined distance；
Setting infrared ray range sensor enters calibration mode, detects the calibration mark object, obtains testing result；
The testing result is compared acquisition comparison result with the pre-determined distance, judges that the comparison result meets
One threshold value exits calibration mode and completes to calibrate.
Preferably, the calibration mark object is that can reflect the infrared ray emitted from the infrared ray range sensor
Baffle.
Preferably, detecting the calibration mark object, testing result is obtained, specifically:
The infrared ray range sensor emits infrared ray, while recording launch time；
The infrared ray of the calibration mark object reflection is received, while recording receiving time；
Based on the launch time and receiving time, the detecting distance of the calibration mark object is obtained.
Preferably, detecting the calibration mark object, testing result is obtained, specifically:
The infrared ray range sensor emits infrared ray, and records the location information of launch point；
The infrared ray of the calibration mark object reflection is received, and records the location information of receiving point；
Location information based on the launch point Yu the receiving station obtains the detecting distance of the calibration mark object.
Preferably, the method also includes:
If the comparison result meets the threshold value, exits calibration mode and complete to calibrate；
If the comparison result is unsatisfactory for the threshold value, the infrared ray range sensor is calibrated, and again
The calibration mark object is detected, testing result is obtained.
Preferably, the infrared ray range sensor is calibrated, specifically:
Detecting distance and the pre-determined distance based on the calibration mark object obtain calibration parameter；
Based on the calibration parameter, zeroing calibration is carried out to the infrared distance sensor.
Preferably, the calibration parameter is the detecting distance of the calibration mark object and the difference of the pre-determined distance.
The embodiment of the present application also provides a kind of intelligent appliance, the intelligent appliance includes
Infrared module, for emitting and receiving infrared signal；
Detection module according to the transmitting of the infrared ray and receives signal for detecting the distance of the calibration mark object
Obtain the testing result of the calibration mark object；
Judgment module, for judging whether the testing result meets the threshold value；
Ending module when meeting the threshold value for the testing result, exits calibration mode and completes to calibrate.
Preferably, the judgment module includes:
The testing result is compared acquisition comparison result with the pre-determined distance, judges the ratio by comparing unit
Relatively result meets a threshold value；
Cycling element detects the normalization markers when the testing result is unsatisfactory for the threshold value again, obtains inspection
Survey result.
Preferably, the intelligent appliance further include:
Calibration module, when the detection data is unsatisfactory for the threshold value, the calibration module is based on the testing result
With the pre-determined distance, the calibration parameter is obtained, and the infrared ray mould group is calibrated.
Compared with prior art, the beneficial effect of the embodiment of the present invention is: the embodiment of the present invention passes through with pre-determined distance
The method of infrared ray range sensor and normalization markers is set, and effectively increase infrared ray range sensor detection data can
By property, compensates for infrared ray range sensor and be assemblied in the larger problem of the deviation occurred when other equipment.
Detailed description of the invention
Fig. 1 is the flow chart of the infrared ray range sensor calibration method of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the intelligent appliance of the embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing, embodiments of the present invention is described in detail, but not as a limitation of the invention.
The present invention provides a kind of infrared ray range sensor calibration method, as shown in Figure 1, method the following steps are included:
S1: infrared ray range sensor and calibration mark object are set with pre-determined distance；
One calibration mark object is set at the pre-determined distance from infrared ray range sensor, and normalization markers are baffle at this time
Deng, can reflect from the infrared ray range sensor emit infrared ray material object.
S2: setting infrared ray range sensor enters calibration mode, and testing calibration marker obtains testing result, here
The testing result of finger is the detecting distance for the calibration mark object that infrared ray range sensor detects；
Further, in the present embodiment, infrared ray range sensor obtains testing result, specifically can be by following two side
Formula is realized:
First way: the infrared ray range sensor emits infrared ray, and calibration mark object reflects infrared signal
To infrared ray range sensor, it will emit at this time and receiving time point records, and pass through the difference and infrared ray at two time points
Spread speed calculates detecting distance.
The second way: the infrared ray range sensor emits infrared ray, and calibration mark object reflects infrared signal
To infrared ray range sensor, the location information of launch point and the location information of receiving point are recorded at this time, and by default
Ratio between distance and the location information of launch point receiving point calculates detecting distance.
S3: will test result and be compared acquisition comparison result with pre-determined distance, judge that the comparison result meets a threshold
Value；If not satisfied, into S4,；If satisfied, then entering S5；
After obtaining testing result, it will test result and be compared with pre-determined distance, and obtain detection error, then will test
Error is compared with threshold value, if meets threshold value.The setting of threshold value should by those skilled in the art according to experimental result or
Actual conditions are arranged accordingly, are not construed as limiting herein.
S4: calibration infrared ray range sensor, and return to S2；
At this point, first obtaining the difference of testing result and pre-determined distance, the difference of above-mentioned amount data is used for infrared ray Distance-sensing
The calibration parameter of device zeroing calibration.
S5: exiting calibration mode and completes to calibrate.
Disclosed herein as well is a kind of intelligent appliances, as shown in Fig. 2, intelligent appliance includes:
Infrared module 100 emits and receives infrared signal；
Detection module 200, the distance of testing calibration marker, root state the transmitting of infrared ray and receive signal acquisition calibration mark
Remember the testing result of object；
Judgment module 300 compares testing result and pre-determined distance, obtains comparison result, and judges whether fruit is compared in inspection full
One threshold value；
Ending module 400 when testing result meets the threshold value, exits calibration mode and completes to calibrate.
Based on the above embodiment, preferably, the judgment module further include:
The testing result is compared acquisition comparison result with the pre-determined distance, judges the ratio by comparing unit
Relatively result meets a threshold value；
Cycling element detects the normalization markers when the testing result is unsatisfactory for the threshold value again, obtains inspection
Survey result.
Based on the above embodiment, preferably, the intelligent appliance further include:
Calibration module 500, when the detection data is unsatisfactory for the threshold value, the calibration module is tied based on the detection
Fruit and the pre-determined distance, obtain the calibration parameter, and calibrate to the infrared ray mould group.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (10)
1. a kind of infrared ray range sensor calibration method, which is characterized in that the described method includes:
Infrared ray range sensor and calibration mark object are set with pre-determined distance；
Setting infrared ray range sensor enters calibration mode, detects the calibration mark object, obtains testing result；
The testing result is compared acquisition comparison result with the pre-determined distance, judges that the comparison result meets a threshold
Value, exits calibration mode and completes to calibrate.
2. the method according to claim 1, wherein the calibration mark object is that can reflect from the infrared ray
The baffle of the infrared ray of range sensor transmitting.
3. obtaining testing result, specifically the method according to claim 1, wherein detecting the calibration mark object
Are as follows:
The infrared ray range sensor emits infrared ray, while recording launch time；
The infrared ray of the calibration mark object reflection is received, while recording receiving time；
Based on the launch time and receiving time, the detecting distance of the calibration mark object is obtained.
4. obtaining testing result, specifically the method according to claim 1, wherein detecting the calibration mark object
Are as follows:
The infrared ray range sensor emits infrared ray, and records the location information of launch point；
The infrared ray of the calibration mark object reflection is received, and records the location information of receiving point；
Location information based on the launch point Yu the receiving station obtains the detecting distance of the calibration mark object.
5. according to the method described in claim 1, the method also includes:
If the comparison result meets the threshold value, exits calibration mode and complete to calibrate；
If the comparison result is unsatisfactory for the threshold value, the infrared ray range sensor is calibrated, and detects again
The calibration mark object obtains testing result.
6. according to the method described in claim 5, it is characterized in that, being calibrated to the infrared ray range sensor, specifically
Are as follows:
Detecting distance and the pre-determined distance based on the calibration mark object obtain calibration parameter；
Based on the calibration parameter, zeroing calibration is carried out to the infrared distance sensor.
7. according to the method described in claim 6, it is characterized in that, the calibration parameter be the calibration mark object detection away from
From and the pre-determined distance difference.
8. a kind of intelligent appliance, feature is including: with, the intelligent appliance
Infrared module, for emitting and receiving infrared signal；
Detection module according to the transmitting of the infrared ray and receives signal acquisition for detecting the distance of the calibration mark object
The testing result of the calibration mark object；
Judgment module, for judging whether the testing result meets the threshold value；
Ending module when meeting the threshold value for the testing result, exits calibration mode and completes to calibrate.
9. intelligent appliance according to claim 8, which is characterized in that the judgment module includes:
The testing result is compared acquisition comparison result with the pre-determined distance by comparing unit, judges the relatively knot
Fruit meets a threshold value；
Cycling element detects the normalization markers when the testing result is unsatisfactory for the threshold value again, obtains detection knot
Fruit.
10. intelligent appliance according to claim 9, which is characterized in that the intelligent appliance further include:
Calibration module, when the detection data is unsatisfactory for the threshold value, the calibration module is based on the testing result and institute
Pre-determined distance is stated, obtains the calibration parameter, and calibrate to the infrared ray mould group.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810732134.0A CN109001712B (en) | 2018-07-05 | 2018-07-05 | Infrared distance sensor calibration method and intelligent household appliance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810732134.0A CN109001712B (en) | 2018-07-05 | 2018-07-05 | Infrared distance sensor calibration method and intelligent household appliance |
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| CN109001712A true CN109001712A (en) | 2018-12-14 |
| CN109001712B CN109001712B (en) | 2023-03-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589264A (en) * | 2021-09-30 | 2021-11-02 | 莱克电气绿能科技(苏州)有限公司 | Intelligent calibration device and method for intelligent sweeping robot |
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| CN109001712B (en) | 2023-03-17 |
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