CN114578971A - Infrared induction detection system and method - Google Patents
Infrared induction detection system and method Download PDFInfo
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Abstract
The application relates to an infrared induction detection system and method. The infrared induction detection system comprises: an infrared reflection module; at least two infrared sensing modules; each infrared induction module is arranged on a panel of the equipment; a controller; the controller is respectively connected with the infrared induction modules; each infrared sensing module is used for emitting an infrared signal with preset duration and receiving an infrared reflection signal reflected by the infrared reflection module; the controller is used for obtaining the time length of each infrared reflection signal, obtaining the discrete degree according to each time length, and determining the infrared induction consistency detection result based on the discrete degree. The application provides a quantitative module sensing consistency inspection method, the accuracy is high, the test efficiency is effectively improved, the consistency difference of each infrared sensing module is reflected, and the effect of managing and controlling incoming materials or assembling consistency is convenient to verify.
Description
Technical Field
The application relates to the technical field of quality detection, in particular to an infrared induction detection system and method.
Background
The extractor hoods on the market generally adopt a left infrared induction module and a right infrared induction module to realize a gesture recognition function, wherein the infrared induction modules comprise an infrared sending unit and an infrared receiving unit, and the gesture recognition function can be realized by detecting the sequence of the hands of a user passing through the left side and the right side; the left and right infrared sensing modules are arranged on the range hood, and the sensing sensitivity of the infrared sensing modules is influenced by the self error of the infrared transmitting and receiving unit, the assembly error, the transmittance error of glass and the like, so that the problem of inconsistent sensitivity such as different infrared signal strength sensed by the left and right infrared sensing modules is easily caused, and the condition of misjudgment such as mistriggering or no triggering is caused; to this problem, the present solutions mostly control the incoming material or the assembly process uniformity, and after the complete machine assembly is completed, the human hand detects whether the gesture recognition is normal, and a quantitative module sensing uniformity detection method is lacking, so that the uniformity difference of the left and right sensing modules is not reflected well, and the effect of controlling the incoming material or the assembly uniformity is not verified.
In the implementation process, the inventor finds that at least the following problems exist in the conventional technology: the existing infrared induction consistency detection method has poor detection effect and low accuracy.
Disclosure of Invention
In view of the above, it is necessary to provide an infrared sensing detection system and method.
An infrared sensing detection system comprising:
an infrared reflection module;
at least two infrared sensing modules; each infrared induction module is arranged on a panel of the equipment;
a controller; the controller is respectively connected with the infrared induction modules;
each infrared sensing module is used for emitting an infrared signal with preset duration and receiving an infrared reflection signal reflected by the infrared reflection module; the controller is used for obtaining the time length of each infrared reflection signal, obtaining the discrete degree according to each time length, and determining the infrared induction consistency detection result based on the discrete degree.
In one embodiment, the infrared sensing module comprises an infrared transmitting unit and an infrared receiving unit; the infrared transmitting unit and the infrared receiving unit are both connected with the controller;
the controller is used for controlling the infrared emission unit to emit an infrared signal with preset duration;
the infrared receiving unit receives the infrared reflection signal and converts the infrared reflection signal into an electric signal; the infrared receiving unit sends the electric signal to the controller;
the controller receives the electric signal and obtains the effective duration of the electric signal; the controller confirms the effective duration of the electric signal as the duration of the infrared reflection signal.
In one embodiment, the controller processes each time length based on a standard deviation formula to obtain a standard deviation as a discrete degree, and determines an infrared induction consistency detection result according to a size relation between a preset discrete error value and the discrete degree.
In one of the embodiments, the first and second electrodes are,
the controller compares the discrete degree with a preset discrete error value to obtain a comparison result;
under the condition that the discrete degree is larger than the preset discrete error value as a comparison result, the controller determines that the infrared induction consistency detection result is unqualified;
and under the condition that the discrete degree is smaller than or equal to the preset discrete error value as a comparison result, the controller determines that the infrared induction consistency detection result is qualified.
In one embodiment, each infrared sensing module is arranged on one side surface of the panel to form a sensing area on the panel;
the infrared reflection module is arranged at a test position; the number of the test positions is several; the test position is determined based on the sensing area; the infrared reflection surface of the infrared reflection module is right opposite to one side surface of the panel, and the projection of the infrared reflection module on the panel covers the sensing area.
In one embodiment, the method comprises the following steps:
the controller acquires each time length of the infrared reflection module under the condition of being arranged at different test positions under the condition that the number of the infrared induction modules is confirmed to be 2, and obtains a difference value of the two time lengths of the infrared reflection module under the condition of being arranged at different test positions and an average value of all the difference values according to each time length of the infrared reflection module under the condition of being arranged at different test positions;
the controller processes the average and each difference based on a standard deviation formula to obtain a first standard deviation as the degree of dispersion.
In one embodiment, the controller acquires each time length when the infrared reflection module is arranged at a certain test position under the condition that the number of the infrared induction modules is confirmed to be greater than 2, and obtains a first average value of all the time lengths when the infrared reflection module is arranged at a certain test position according to each time length when the infrared reflection module is arranged at a certain test position;
the controller processes each time length of the first average value and the infrared reflection module under the condition that the infrared reflection module is arranged at a certain test position based on a standard deviation formula, and obtains a second standard deviation as a discrete degree.
In one embodiment, if the controller confirms that the infrared sensing consistency detection results are qualified when the infrared reflection module is arranged at any test position, the controller obtains a second average value according to the first average value when the infrared reflection module is arranged at each test position;
the controller processes the second average value and each first average value based on a standard deviation formula to obtain a third standard deviation as a discrete degree.
In one embodiment, the device further comprises a display connected with the controller;
the display is used for displaying the infrared induction consistency detection result.
An infrared induction detection method is applied to the infrared induction detection system, and comprises the following steps:
acquiring the duration of infrared reflection signals received by at least two infrared induction modules arranged on a panel of the equipment; the infrared reflection signal is a signal reflected by the infrared reflection module under the condition that the infrared sensing module emits an infrared signal with preset duration;
and obtaining the discrete degree according to each time length, and determining the infrared induction consistency detection result based on the discrete degree.
One of the above technical solutions has at least the following advantages and beneficial effects:
this application sends respectively through two at least infrared induction modules on locating the panel of equipment and predetermines the infrared signal of duration, and the infrared reflection signal that the infrared reflection module reflection was come is received, and the controller acquires the length of time of each infrared reflection signal to obtain the discrete degree according to each length of time, thereby the controller is based on the discrete degree and confirms infrared induction module uniformity testing result. The application provides a quantitative module sensing consistency inspection method, the infrared sensing consistency detection result of each infrared sensing module is determined according to the discrete degree obtained by the time length of each infrared reflection signal reflected by the infrared reflection module, the accuracy is high, the test efficiency is effectively improved, the consistency difference of each infrared sensing module is reflected, and the effect of managing and controlling the incoming material or assembling consistency is convenient to verify.
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In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of an infrared sensing detection system in one embodiment;
FIG. 2 is a block diagram of an infrared sensing detection system in another embodiment;
fig. 3 is a schematic diagram of an infrared sensing detection process when the controller determines that the number of infrared sensing modules is 2 according to an embodiment;
FIG. 4 is a schematic flow chart of an exemplary IR sensing method;
fig. 5 is a block diagram of an infrared sensing detection apparatus according to an embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another.
Spatial relational terms, such as "under," "below," "under," "over," and the like may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary terms "under" and "under" can encompass both an orientation of above and below. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. Further, "connection" in the following embodiments is understood to mean "electrical connection", "communication connection", or the like, if there is a transfer of electrical signals or data between the connected objects.
As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.
In one embodiment, as shown in fig. 1, there is provided an infrared sensing detection system, which may include:
an infrared reflection module;
at least two infrared sensing modules; each infrared induction module is arranged on a panel of the equipment;
a controller; the controller is respectively connected with the infrared induction modules;
each infrared sensing module is used for emitting an infrared signal with preset duration and receiving an infrared reflection signal reflected by the infrared reflection module; the controller is used for obtaining the time length of each infrared reflection signal, obtaining the discrete degree according to each time length, and determining the infrared induction consistency detection result based on the discrete degree.
The infrared induction module can be arranged on the panel of each type of equipment which needs to have the infrared gesture induction function, and the equipment can be a range hood, a gas water heater, an air conditioner and the like; for example, the infrared sensing module can be arranged on a panel of the range hood; the infrared sensing module is used for transmitting and receiving infrared signals; the infrared reflection module can be a baffle or other objects used for simulating human hands to reflect infrared signals; the preset time can be set according to the actual situation, for example, the preset time can be 1 second; the controller may be a single chip microcomputer.
Specifically, the number of the infrared induction modules arranged on the panel of the equipment is at least two, and the induction consistency of each infrared induction module is quantitatively tested before the equipment leaves a factory. The infrared sensing modules emit infrared signals with preset duration, the infrared signals emitted to the infrared reflection modules are reflected to the infrared sensing modules, errors of the infrared sensing modules are considered, assembly errors and transmittance errors of glass panels arranged on the infrared sensing modules of some equipment are influenced, the infrared signals emitted by the infrared sensing modules are weakened to different degrees, and therefore the duration of the infrared reflection signals received by the infrared sensing modules is different, the controller can obtain the discrete degree according to the duration, the discrete degree reflects the difference degree between values of variables, namely the difference degree between durations, and further the discrete degree can effectively reflect small deviation of sensing consistency between the infrared sensing modules, and further the controller can determine an infrared sensing module based on the discrete degree obtained according to the duration The larger the discrete degree of the consistency detection result is, the poorer the induction consistency of each infrared induction module is, and the poorer the incoming material or assembly consistency effect is, the smaller the discrete degree is, the better the induction consistency of each infrared induction module is, and the better the incoming material or assembly consistency effect is, and the infrared induction consistency detection result can also be visually displayed through the display device.
According to the method, the infrared sensing module arranged on the panel of the equipment is used for emitting the infrared signals with preset duration and receiving the infrared reflection module reflected by the infrared reflection module, the controller is used for acquiring the duration of each infrared reflection signal and obtaining the discrete degree according to each duration, and the infrared sensing consistency detection result between the infrared sensing modules is determined based on the discrete degree. Therefore, the application provides a quantitative module sensing consistency inspection method, the test efficiency is high, the infrared sensing difference caused by the influence of the self error of each infrared sensing module, the assembly error or the glass transmittance error and the like is effectively reflected according to the discrete degree obtained according to the duration of each infrared reflection signal, the small difference can be effectively reflected, the infrared sensing consistency result is determined according to the discrete degree obtained according to the duration of each infrared reflection signal, the accuracy is high, the effect of controlling the incoming material or the assembly consistency is conveniently verified, the gesture mis-touch risk is effectively reduced, the product stability is improved, and the product quality is ensured.
In one embodiment, as shown in fig. 2, the infrared sensing module may include an infrared transmitting unit and an infrared receiving unit; the infrared transmitting unit and the infrared receiving unit are both connected with the controller;
the controller is used for controlling the infrared emission unit to emit an infrared signal with preset duration;
the infrared receiving unit receives the infrared reflection signal and converts the infrared reflection signal into an electric signal; the infrared receiving unit sends the electric signal to the controller;
the controller receives the electric signal and obtains the effective duration of the electric signal; the controller confirms the effective duration of the electric signal as the duration of the infrared reflection signal.
The infrared receiving unit of the infrared sensing module may be configured to convert the received optical signal into an electrical signal.
In one example, the infrared sensing detection system may further include a display connected to the controller;
the display is used for displaying the infrared induction consistency detection result.
Specifically, after the infrared sensing detection system is powered on, the controller can control the infrared emission units in the infrared sensing modules to send periodic infrared signals with preset time duration according to set program logic under the condition that the controller receives a self-checking instruction, the infrared signals are reflected to the infrared receiving units of the corresponding infrared sensing modules through the infrared reflection modules, and the infrared receiving units convert the received infrared reflection signals into electric signals and send the electric signals to the controller; the controller receives the electric signals sent by the infrared receiving units and obtains the effective duration of each electric signal, the effective duration of each electric signal is the duration of each infrared reflection signal, the controller can judge the difference of the sensing consistency of the infrared sensing modules according to the difference of the effective durations of the electric signals, namely the controller can determine the infrared sensing consistency detection result of each infrared sensing module according to the discrete degree of the effective duration of each electric signal, and the infrared sensing consistency detection result can be visually displayed through the display.
In one embodiment, the controller processes each time length based on a standard deviation formula to obtain a standard deviation as a discrete degree, and determines an infrared induction consistency detection result according to a size relation between a preset discrete error value and the discrete degree.
Wherein, the standard deviation is a measure of how far a set of values are scattered from the mean, and can reflect the degree of scattering of the data set; the standard deviation formula can be used to process the values to obtain the standard deviation.
Specifically, the controller may process the time length of each infrared reflection signal based on a standard deviation formula under the condition that the controller receives the electrical signal sent by each infrared receiving unit and obtains the effective time length of each electrical signal to determine the time length of each infrared reflection signal, obtain a standard deviation as a discrete degree, and determine the infrared sensing consistency detection result between each infrared sensing module according to the size relationship between the discrete degree determined by the standard deviation and a preset discrete error value, thereby determining whether the fluctuation of the response change between each infrared sensing module is within a reasonable range. Under normal conditions, the dispersion degree of the duration of each infrared reflection signal within a certain range can be regarded as that the infrared induction consistency of each infrared induction module is qualified, otherwise, the infrared induction consistency is unqualified.
In one of the embodiments, the first and second electrodes are,
the controller compares the discrete degree with a preset discrete error value to obtain a comparison result;
under the condition that the discrete degree is larger than the preset discrete error value as a comparison result, the controller determines that the infrared induction consistency detection result is unqualified;
and under the condition that the discrete degree is smaller than or equal to the preset discrete error value as a comparison result, the controller determines that the infrared induction consistency detection result is qualified.
Specifically, the controller may compare a discrete degree obtained according to a duration of each infrared reflection signal with a preset discrete error value, and determine an infrared induction consistency detection result according to the obtained comparison result; under the condition that the discrete degree is larger than the preset discrete error value, the induction difference of each infrared induction module is larger, so that the controller determines that the infrared induction consistency detection result of each infrared induction module is unqualified; and under the condition that the discrete degree is smaller than or equal to the preset discrete error value, the infrared induction difference of each infrared induction module is smaller, so that the controller determines that the infrared induction consistency detection result of each infrared induction module is qualified. For example, the controller processes each time length based on a standard deviation formula, if the obtained standard deviation value is s, the standard deviation s is compared with a preset discrete error value K, if the comparison result is that s is larger than K, the controller confirms that the infrared induction consistency is unqualified, if the comparison result is that s is smaller than or equal to K, the controller confirms that the infrared induction consistency is qualified in a static period, and for equipment provided with an infrared induction module with the infrared induction consistency unqualified, corresponding adjustment or other maintenance processing can be carried out on the infrared induction module, so that the product stability is ensured, and the product quality is ensured.
The infrared sensing consistency detection device comprises an infrared emitting unit, an infrared receiving unit, an infrared reflecting module, a controller and a standard deviation formula, wherein the infrared emitting unit emits an infrared signal with preset duration, the infrared receiving unit receives an infrared reflecting signal reflected by the infrared reflecting module and converts the infrared reflecting signal into an electric signal, the controller can determine the duration of the infrared reflecting signal according to the effective duration of the electric signal, the controller processes each duration based on the standard deviation formula under the condition of determining the duration of each infrared reflecting signal, the standard deviation is obtained and serves as a discrete degree, and the infrared sensing consistency detection result of each infrared sensing module is determined according to the size relation between the discrete degree and a preset discrete error value. Therefore, the application provides a quantitative infrared sensing consistency detection method, which can effectively detect the sensing difference of each infrared detection module, has high test efficiency and accuracy, and is convenient for controlling the incoming material or the consistency of assembly.
In one embodiment, each infrared sensing module is arranged on one side surface of the panel to form a sensing area on the panel;
the infrared reflection module is arranged at a test position; the number of the test positions is several; the test position is determined based on the sensing area; the infrared reflection surface of the infrared reflection module is right opposite to one side surface of the panel, and the projection of the infrared reflection module on the panel covers the sensing area.
Specifically, the infrared reflection surface of the infrared reflection module is opposite to one side surface of the panel, the projection of the infrared reflection module on the panel covers the induction area, and the distance from the position, on the panel, of each infrared induction module to the infrared reflection surface of the infrared reflection module is the same, so that the test conditions of each infrared induction module on the panel are the same, extra detection errors cannot be brought to an infrared induction detection system, and the accuracy of the infrared induction consistency detection result is ensured.
Each infrared induction module forms the induction zone on the panel of equipment, and the test position is confirmed based on the induction zone to make the infrared signal that infrared induction module transmitted can reach infrared reflection module and reflect. The number of the test positions can be a plurality, in order to improve the accuracy of the infrared induction consistency detection result, a plurality of test positions can be set for testing, for example, the test positions can be positions 10 cm away from the panel or positions 20 cm away from the panel, and each test position can be set according to actual conditions.
In one embodiment, the infrared sensing detection system may include:
the controller acquires each time length of the infrared reflection module under the condition of being arranged at different test positions under the condition that the number of the infrared induction modules is confirmed to be 2, and obtains a difference value of the two time lengths of the infrared reflection module under the condition of being arranged at different test positions and an average value of all the difference values according to each time length of the infrared reflection module under the condition of being arranged at different test positions;
the controller processes the average and each difference based on a standard deviation formula to obtain a first standard deviation as the degree of dispersion.
Specifically, if the number of the infrared sensing modules arranged on the panel of the device is 2, for example, the infrared sensing modules are respectively arranged on the left side and the right side of the control panel of the range hood; the controller respectively obtains the time length of each infrared reflection signal when the infrared reflection module is arranged at different test positions, obtains the difference value of the time lengths of the infrared reflection signals received by the two infrared induction modules when the infrared reflection module is arranged at different test positions according to the time length of each infrared reflection signal at different test positions, calculates the average value of all the difference values, and processes the average value and each difference value based on a standard deviation formula to obtain a first standard deviation, namely the discrete degree. The controller can confirm the infrared induction consistency detection results of the two infrared induction modules by comparing the size relationship between the discrete degree and the preset discrete error value.
For example, as shown in fig. 3, the test positions are set at distances of 5 cm, 10 cm and 15 cm from the panel of the device, respectively; when the infrared reflection module is arranged at a test position 5 cm away from the panel, the single chip microcomputer controls the infrared emission units on the left side and the right side to generate an infrared signal of 1 second on and 1 second off in a colleague manner under the condition that the single chip microcomputer receives a self-checking instruction, the infrared reception unit on the left side receives the infrared reflection signal reflected by the infrared reflection module, the effective duration of the electric signal measured by the single chip microcomputer is T1 after the infrared reflection signal is converted into the electric signal1The right infrared receiving unit receives the infrared reflection signal reflected by the infrared reflection module, converts the infrared reflection signal into an electric signal, and measures the effective time of the electric signal by the singlechip to be T12So as to obtain the difference delta T1 | T1 of each time length when the infrared reflection module is arranged at the test position 5 cm away from the panel1-T12|。
When the infrared reflection module is arranged at a test position which is 10 cm away from the panel, the single chip microcomputer controls the infrared emission units at the left side and the right side to simultaneously generate an infrared signal which is started for 1 second and stopped for 1 second; the infrared receiving unit on the left receives the infrared reflection signal reflected by the infrared reflection module, the infrared reflection signal is converted into an electric signal, and the singlechip measures the effective time of the electric signal to be T21(ii) a The infrared receiving unit on the right receives the infrared reflection signal reflected by the infrared reflection module, converts the infrared reflection signal into an electric signal, and measures the effective time of the electric signal to be T2 by the singlechip2(ii) a Obtaining the difference delta T2 | T2 of each time length when the infrared reflection module is arranged at the test position with the distance of 10 cm from the panel1-T22|。
When the infrared reflection module is arranged at a test position 15 cm away from the panel, the singlechip controls the red on the left side and the red on the right sideThe external transmitting unit simultaneously generates an infrared signal which is started for 1 second and stopped for 1 second; the infrared receiving unit on the left receives the infrared reflection signal reflected by the infrared reflection module, converts the infrared reflection signal into an electric signal, and then the singlechip measures the effective time of the electric signal to be T31(ii) a The infrared receiving unit on the right receives the infrared reflection signal reflected by the infrared reflection module, converts the infrared reflection signal into an electric signal, and measures the effective time of the electric signal to be T3 by the singlechip2(ii) a Obtaining the difference delta T3 | (T3) of each time length when the infrared reflection module is arranged at the test position 15 cm away from the panel1-T32|。
The controller calculates the average of the three differences, Δ tavg(Δ t1 +. DELTA.t 2 +. DELTA.t 3)/3, and the standard deviation s ═ sqrt ((. DELTA.t 1-DELTA.t) of the 3-time difference values was calculated based on the standard deviation formulaavg)^2+(△t2-△tavg)^2+(△t3-△tavg) ^ 2)/3); the controller judges whether the standard deviation s is larger than a preset discrete error value K or not, if the standard deviation s is larger than the preset discrete error value K, the infrared induction consistency detection results of the two infrared induction modules are determined to be unqualified, and an unqualified prompt and the standard difference value of the detection are displayed through the display; and if the standard deviation s is less than or equal to the preset discrete error value K, confirming that the infrared induction consistency detection results of the two infrared induction modules are qualified, and displaying a qualification prompt and the standard deviation value of the detection on the display.
In one embodiment, the controller acquires each time length when the infrared reflection module is arranged at a certain test position under the condition that the number of the infrared induction modules is confirmed to be greater than 2, and obtains a first average value of all the time lengths when the infrared reflection module is arranged at a certain test position according to each time length when the infrared reflection module is arranged at a certain test position;
the controller processes each time length of the first average value and the infrared reflection module under the condition that the infrared reflection module is arranged at a certain test position based on a standard deviation formula, and a second standard deviation is obtained and used as a discrete degree.
Specifically, if the number of the infrared sensing modules arranged on the panel of the device is greater than 2, for example, a plurality of infrared sensing modules are arranged on the control panel of the range hood; the controller respectively acquires the duration of each infrared reflection signal when the infrared reflection module is arranged at a certain test position, and obtains a first average value of the durations of the infrared reflection signals received by the plurality of infrared induction modules when the infrared reflection module is arranged at the test position according to the duration of each infrared reflection signal at the test position; and the controller processes the first average value and the duration of each infrared reflection signal of the infrared reflection module arranged at the test position based on a standard deviation formula, so as to obtain a second standard deviation, namely the discrete degree. The controller can confirm the infrared induction consistency detection results of the infrared induction modules by comparing the size relationship between the discrete degree and the preset discrete error value.
In one embodiment, if the controller confirms that the infrared sensing consistency detection results are qualified when the infrared reflection module is arranged at any test position, the controller obtains a second average value according to the first average value when the infrared reflection module is arranged at each test position;
the controller processes the second average value and each first average value based on a standard deviation formula to obtain a third standard deviation as a discrete degree.
Specifically, when the controller determines that the infrared sensing consistency detection results of the infrared reflection modules at any test position are all qualified, in order to further ensure the accuracy of the infrared sensing consistency detection results of the infrared sensing modules, a second average value may be obtained according to a first average value of the infrared reflection modules at each test position, and the second average value and each first average value are processed based on a standard deviation formula, so as to obtain a third standard deviation, which is the discrete degree. The controller can further confirm the infrared induction consistency detection results of the infrared induction modules by comparing the size relationship between the discrete degree and the preset discrete error value.
For example, if the number of test positions is three, the test positions are positions 5 cm, 10 cm and 15 cm away from the panel; when the infrared reflection module is arranged at a test position 5 cm away from the panel, the time lengths of the infrared reflection signals received by the infrared receiving units obtained by the controller are respectively T11、T12…T1nCalculating a first average T1 of n time lengthsavg＝(T11+T12+……+T1n) And/n, processing the duration of each infrared reflection signal when the first average value and the infrared reflection module are arranged at the test position 5 cm away from the panel based on a standard deviation formula to obtain n durations with a standard deviation s 1-sqrt (((T1)1-T1avg)^2+(T12-T1avg)^2+……+(T1n-T1avg) ^2)/n), judging the infrared induction consistency detection result according to the size relation between the standard deviation s1 and the preset discrete error value K, and if the infrared induction consistency detection result is unqualified, displaying an unqualified prompt, the distance value between the current test position and the panel and the standard deviation value of the current detection through a display. And if the infrared induction consistency detection result is qualified, entering the next stage.
In the next stage, when the infrared reflection module is located at the test position 10 cm away from the panel, the duration of the infrared reflection signal received by each infrared receiving unit obtained by the controller is T21、T22…T2nCalculating a first average T2 of n time lengthsavg＝(T21+T22+……+T2n) And/n, processing the duration of each infrared reflection signal when the first average value and the infrared reflection module are arranged at a test position which is 10 cm away from the panel based on a standard deviation formula to obtain n duration standard deviations s 2-sqrt (((T2)1–T2avg)^2+(T22-T2avg)^2+……+(T2n-T2avg) ^2)/n), judging the infrared induction consistency detection result according to the size relation between the standard deviation s2 and the preset discrete error value K, and if the infrared induction consistency detection result is unqualified, displaying an unqualified prompt, an unqualified stage, a distance value between the current test position and the panel and a standard difference value of the current detection through a display. And if the infrared induction consistency detection result is qualified, entering the next stage.
In the next stage, when the infrared reflection module is located at the test position 15 cm away from the panel, the duration of the infrared reflection signal received by each infrared receiving unit obtained by the controller is T31、T32…T3nCalculating a first average T3 of n time lengthsavg＝(T31+T32+……+T3n) And/n, processing the duration of each infrared reflection signal when the first average value and the infrared reflection module are arranged at the test position 15 cm away from the panel based on a standard deviation formula to obtain n durations with a standard deviation s 3-sqrt (((T3)1–T3avg)^2+(T32-T3avg)^2+……+(T3n-T3avg) ^2)/n), judging the infrared induction consistency detection result according to the size relation between the standard deviation s3 and the preset discrete error value K, and if the infrared induction consistency detection result is unqualified, displaying an unqualified prompt, an unqualified stage, a distance value between the current test position and the panel and a standard difference value of the current detection through a display. And if the infrared induction consistency detection result is qualified, entering the next stage.
Then the next stage is: the controller calculates an average value of the first average value, i.e. the second average value T, at 3 different test positionsavg＝(T1avg+T2avg+T3avg) And/3, processing the second average value and each first average value based on a standard deviation formula to obtain a third standard deviation s ═ sqrt (((T1)avg–Tavg)^2+(T2avg-Tavg)^2+(T3avg-Tavg) ^2)/3) and finally confirming the infrared induction consistency detection result according to the size relation between the standard deviation s and the preset discrete error value K, and if the final infrared induction consistency detection result is unqualified, displaying an unqualified prompt, an unqualified stage and the standard deviation value of the detection through a display. And if the infrared induction consistency detection result is qualified, displaying a qualified prompt and a standard difference value of the detection through a display.
More than, this application locates the infrared emission unit transmission infrared signal of presetting duration in two at least infrared induction modules on the panel of equipment through controller control, infrared receiving unit among the infrared induction module then receives the infrared reflection signal by infrared reflection module reflection, and turn into signal of telecommunication transmission value controller with infrared reflection signal, thereby the controller obtains the effective duration of signal of telecommunication, and confirm it as the duration of infrared reflection signal, the controller can also be according to the quantity of infrared induction module, select each duration when processing infrared reflection module and being located a certain test position based on the standard deviation formula, or each duration when infrared reflection module is located different test positions, obtain corresponding discrete degree, and confirm infrared induction uniformity testing result based on discrete degree. Therefore, the accuracy of the infrared induction consistency result is ensured. The application provides a quantitative infrared sensing consistency detection method, can reflect the small response difference of each infrared sensing module, and efficiency of software testing is high, and the accuracy is high, is convenient for verify the effect of management and control supplied materials or assembly uniformity, and then has reduced infrared gesture mistake and has touched the risk, can also improve product stability, ensures product quality.
In one embodiment, as shown in fig. 4, an infrared sensing detection method is provided, which is applied to the infrared sensing detection system, and may include:
step 202, acquiring the duration of infrared reflection signals received by at least two infrared induction modules arranged on a panel of the equipment; the infrared reflection signal is a signal reflected by the infrared reflection module under the condition that the infrared sensing module emits an infrared signal with preset duration;
and 204, obtaining the discrete degree according to each time length, and determining the infrared induction consistency detection result based on the discrete degree.
In one embodiment, the step 202 of obtaining the duration of the infrared reflection signals received by at least two infrared sensing modules disposed on a panel of the device may include:
controlling an infrared emission unit of an infrared induction module to emit an infrared signal with preset duration;
receiving the electric signal sent by the infrared receiving unit of the infrared sensing module and obtaining the effective duration of the electric signal,
and confirming the effective duration of the electric signal as the duration of the infrared reflection signal.
In one embodiment, the step 204 of obtaining the discrete degree according to each time length and determining the infrared sensing consistency detection result based on the discrete degree may include:
processing each time length based on a standard deviation formula to obtain a standard deviation as a discrete degree, and determining an infrared induction consistency detection result according to the magnitude relation between a preset discrete error value and the discrete degree.
In one embodiment, the step of determining the infrared sensing consistency detection result according to the magnitude relationship between the preset discrete error value and the discrete degree may include:
comparing the discrete degree with a preset discrete error value to obtain a comparison result;
determining that the infrared induction consistency detection result is unqualified under the condition that the discrete degree is greater than the preset discrete error value;
and determining that the infrared induction consistency detection result is qualified under the condition that the dispersion degree is smaller than or equal to the preset dispersion error value.
In one embodiment, the step of obtaining the discrete degrees according to the time lengths may include:
under the condition that the number of the infrared induction modules is confirmed to be 2, acquiring each time length of the infrared reflection modules under the condition that the infrared reflection modules are arranged at different test positions, and acquiring the difference value of the two time lengths of the infrared reflection modules under the condition that the infrared reflection modules are arranged at different test positions and the average value of all the difference values according to each time length of the infrared reflection modules under the condition that the infrared reflection modules are arranged at different test positions;
the mean and each difference are processed based on a standard deviation formula to obtain a first standard deviation as the degree of dispersion.
In one embodiment, the step of obtaining the discrete degrees according to the time lengths may further include:
under the condition that the number of the infrared sensing modules is confirmed to be larger than 2, acquiring each time length of the infrared reflection modules under the condition that the infrared reflection modules are arranged at a certain test position, and acquiring a first average value of all the time lengths of the infrared reflection modules under the condition that the infrared reflection modules are arranged at a certain test position according to each time length of the infrared reflection modules under the condition that the infrared reflection modules are arranged at a certain test position;
and processing each time length of the first average value and the infrared reflection module under the condition of being arranged at a certain test position based on a standard deviation formula to obtain a second standard deviation as a discrete degree.
In one embodiment, the step of obtaining the discrete degrees according to the time lengths may further include:
if the infrared sensing consistency detection results are qualified under the condition that the infrared reflection module is arranged at any test position, obtaining a second average value according to the first average value under the condition that the infrared reflection module is arranged at each test position;
and processing the second average value and each first average value based on a standard deviation formula to obtain a third standard deviation as a discrete degree.
It should be understood that, although the steps in the flowcharts related to the embodiments as described above are sequentially displayed as indicated by arrows, the steps are not necessarily performed sequentially as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a part of the steps in the flowcharts related to the embodiments described above may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the execution order of the steps or stages is not necessarily sequential, but may be rotated or alternated with other steps or at least a part of the steps or stages in other steps.
Based on the same inventive concept, the embodiment of the application also provides an infrared induction detection device for realizing the infrared induction detection method. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme recorded in the method, so specific limitations in one or more embodiments of the infrared sensing detection device provided below can be referred to the limitations on the infrared sensing detection method in the above, and details are not repeated here.
In one embodiment, as shown in fig. 5, an infrared sensing detection apparatus is provided, which is applied to the above infrared sensing detection system, and may include:
the data acquisition module 110 is configured to acquire durations of infrared reflection signals received by at least two infrared sensing modules arranged on a panel of the device; the infrared reflection signal is a signal reflected by the infrared reflection module under the condition that the infrared sensing module emits an infrared signal with preset duration;
and the result determining module 120 is configured to obtain a discrete degree according to each duration, and determine an infrared sensing consistency detection result based on the discrete degree.
In one embodiment, the data obtaining module 110 is further configured to control an infrared emitting unit of the infrared sensing module to emit an infrared signal with a preset duration; and receiving the electric signal sent by the infrared receiving unit of the infrared sensing module, obtaining the effective duration of the electric signal, and confirming the effective duration of the electric signal as the duration of the infrared reflection signal.
In one embodiment, the result determining module 120 is further configured to process each duration based on a standard deviation formula to obtain a standard deviation as a discrete degree, and determine the infrared sensing consistency detection result according to a size relationship between a preset discrete error value and the discrete degree.
In one embodiment, the result determining module 120 is further configured to compare the discrete degree with a preset discrete error value to obtain a comparison result; determining that the infrared induction consistency detection result is unqualified under the condition that the discrete degree is greater than the preset discrete error value; and determining that the infrared induction consistency detection result is qualified under the condition that the discrete degree is less than or equal to the preset discrete error value as the comparison result.
In one embodiment, the result determining module 120 is further configured to, when it is determined that the number of the infrared sensing modules is 2, obtain each time duration when the infrared reflection module is located at different test positions, and obtain, according to each time duration when the infrared reflection module is located at different test positions, a difference between two time durations when the infrared reflection module is located at different test positions, and an average value of all the difference values; the mean and each difference are processed based on a standard deviation formula to obtain a first standard deviation as the degree of dispersion.
In one embodiment, the result determining module 120 is further configured to, when it is determined that the number of the infrared sensing modules is greater than 2, obtain each duration of the infrared reflection module in the case where the infrared reflection module is located at a certain test position, and obtain a first average value of all durations of the infrared reflection module in the case where the infrared reflection module is located at a certain test position according to each duration of the infrared reflection module in the case where the infrared reflection module is located at a certain test position; and processing each time length of the first average value and the infrared reflection module under the condition of being arranged at a certain test position based on a standard deviation formula to obtain a second standard deviation as a discrete degree.
In one embodiment, the result determining module 120 is further configured to, if it is determined that the infrared sensing consistency detection results are all qualified when the infrared reflection module is located at any one of the test positions, obtain a second average value according to the first average value when the infrared reflection module is located at each of the test positions; and processing the second average value and each first average value based on a standard deviation formula to obtain a third standard deviation as a discrete degree.
All or part of each module in the infrared induction detection device can be realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In an embodiment, a computer-readable storage medium is provided, on which a computer program is stored which, when being executed by a processor, carries out the steps of the above-mentioned method embodiments.
In an embodiment, a computer program product is provided, comprising a computer program which, when executed by a processor, carries out the steps in the method embodiments described above.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high-density embedded nonvolatile Memory, resistive Random Access Memory (ReRAM), Magnetic Random Access Memory (MRAM), Ferroelectric Random Access Memory (FRAM), Phase Change Memory (PCM), graphene Memory, and the like. Volatile Memory can include Random Access Memory (RAM), external cache Memory, and the like. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others. The databases referred to in various embodiments provided herein may include at least one of relational and non-relational databases. The non-relational database may include, but is not limited to, a block chain based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, quantum computing based data processing logic devices, etc., without limitation.
In the description herein, references to the description of "some embodiments," "other embodiments," "desired embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An infrared sensing detection system, comprising:
an infrared reflection module;
at least two infrared sensing modules; each infrared induction module is arranged on a panel of the equipment;
a controller; the controller is respectively connected with the infrared induction modules;
each infrared sensing module is used for emitting an infrared signal with preset time duration and receiving an infrared reflection signal reflected by the infrared reflection module; the controller is used for obtaining the time length of each infrared reflection signal, obtaining the discrete degree according to each time length, and determining the infrared induction consistency detection result based on the discrete degree.
2. The infrared sensing detection system of claim 1, wherein the infrared sensing module comprises an infrared emitting unit and an infrared receiving unit; the infrared transmitting unit and the infrared receiving unit are both connected with the controller;
the controller is used for controlling the infrared emission unit to emit the infrared signal with the preset duration;
the infrared receiving unit receives the infrared reflection signal and converts the infrared reflection signal into an electric signal; the infrared receiving unit sends the electric signal to the controller;
the controller receives the electric signal and obtains the effective duration of the electric signal; and the controller confirms the effective duration of the electric signal as the duration of the infrared reflection signal.
3. The infrared sensing detection system of claim 1, wherein the controller processes each of the durations based on a standard deviation formula to obtain a standard deviation as the discrete degree, and determines the infrared sensing consistency detection result according to a magnitude relationship between a preset discrete error value and the discrete degree.
4. The infrared sensing detection system of claim 3,
the controller compares the discrete degree with the preset discrete error value to obtain a comparison result;
under the condition that the discrete degree is larger than the preset discrete error value according to the comparison result, the controller determines that the infrared induction consistency detection result is unqualified;
and under the condition that the discrete degree is smaller than or equal to the preset discrete error value as the comparison result, the controller determines that the infrared induction consistency detection result is qualified.
5. The infrared sensing detection system of claim 3, wherein each infrared sensing module is disposed on a side of the panel to form a sensing area on the panel;
the infrared reflection module is arranged at a test position; the number of the test positions is a plurality; the test position is determined based on the sensing area; the infrared reflection surface of the infrared reflection module is opposite to one side surface of the panel, and the projection of the infrared reflection module on the panel covers the induction area.
6. The infrared sensing detection system of claim 5, comprising:
the controller acquires each time length when the infrared reflection modules are arranged at different test positions under the condition that the number of the infrared induction modules is confirmed to be 2, and acquires a difference value of two time lengths when the infrared reflection modules are arranged at different test positions and an average value of all the difference values according to each time length when the infrared reflection modules are arranged at different test positions;
the controller processes the average value and each of the difference values based on the standard deviation formula to obtain a first standard deviation as the dispersion degree.
7. The infrared sensing detection system of claim 5, wherein the controller obtains each of the durations of the infrared reflection modules at a certain test position when the number of the infrared sensing modules is determined to be greater than 2, and obtains a first average of all the durations of the infrared reflection modules at a certain test position according to each of the durations of the infrared reflection modules at a certain test position;
and the controller processes each time length of the first average value and the infrared reflection module arranged at a certain test position based on the standard deviation formula to obtain a second standard deviation as the discrete degree.
8. The infrared induction detection system of claim 7, wherein if the controller determines that the infrared induction consistency detection results are all qualified when the infrared reflection module is disposed at any of the test positions, the controller obtains a second average value according to the first average value when the infrared reflection module is disposed at each of the test positions;
the controller processes the second average value and each of the first average values based on the standard deviation formula to obtain a third standard deviation as the dispersion degree.
9. The infrared sensing detection system of any one of claims 1 to 8, further comprising a display connected to the controller;
the display is used for displaying the infrared induction consistency detection result.
10. An infrared induction detection method applied to the infrared induction detection system of any one of claims 1 to 9, comprising:
acquiring the duration of infrared reflection signals received by at least two infrared induction modules arranged on a panel of the equipment; the infrared reflection signal is a signal reflected by the infrared reflection module under the condition that the infrared sensing module emits an infrared signal with preset duration;
and obtaining the discrete degree according to each time length, and determining the infrared induction consistency detection result based on the discrete degree.
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