CN109100016B - Detection method and detection system - Google Patents

Detection method and detection system Download PDF

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Publication number
CN109100016B
CN109100016B CN201811231948.2A CN201811231948A CN109100016B CN 109100016 B CN109100016 B CN 109100016B CN 201811231948 A CN201811231948 A CN 201811231948A CN 109100016 B CN109100016 B CN 109100016B
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China
Prior art keywords
light intensity
light
receiving module
optical signal
module
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CN201811231948.2A
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CN109100016A (en
Inventor
韩烨
周海民
刘丹
易育
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Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Intelligent Equipment Co Ltd
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Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Intelligent Equipment Co Ltd
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Priority to CN201811231948.2A priority Critical patent/CN109100016B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/02Details
    • G01J1/04Optical or mechanical part supplementary adjustable parts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for

Abstract

The invention discloses a detection method and a detection system. Wherein, this system includes: an optical signal transmitter for outputting light in at least two directions; the device comprises at least two receiving modules, a light source module and a light source module, wherein the at least two receiving modules are used for receiving light in at least two directions and detecting the light intensity irradiance of the light in each direction to obtain a detection result, and a preset illumination range is determined before every two adjacent receiving modules in the at least two receiving modules; and the processor is used for judging whether the light intensity radiance of the light output by the optical signal emitter meets the preset light intensity radiance condition in a preset lighting range or not according to the detection result. The invention solves the technical problem that the light intensity detection system in the related technology only detects the front light intensity of the emitter but cannot detect the light intensity attenuation trend at a certain angle.

Description

Detection method and detection system
Technical Field
The invention relates to the technical field of detection, in particular to a detection method and a detection system.
Background
In the related art, a common light intensity detection system generally only detects the front light intensity of the emitter, but cannot detect the light intensity attenuation trend when a certain angle exists, lacks the detection of the light intensity irradiance, can cause some hidden dangers of products which cannot be detected, and thus increases the probability of appearance of bad products.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a detection method and a detection system, which at least solve the technical problem that in the related technology, a light intensity detection system only detects the front light intensity of an emitter but cannot detect the light intensity attenuation trend at a certain angle.
According to an aspect of an embodiment of the present invention, there is provided a detection system including: an optical signal transmitter for outputting light in at least two directions; the at least two receiving modules are used for receiving the light in the at least two directions and detecting the light intensity irradiance of the light in each direction to obtain a detection result, wherein a preset illumination range is determined in front of each two adjacent receiving modules in the at least two receiving modules; and the processor is used for judging whether the light intensity radiance of the light output by the optical signal emitter meets a preset light intensity radiance condition in the preset illumination range or not according to the detection result.
Further, the optical signal transmitter includes: a light source carrier; and the light source emission interface is used for outputting light emitted by the light source carrier in at least two directions.
Further, the at least two receiving modules comprise: the first receiving module corresponds to the front face of the light source transmitting interface and detects the light intensity radiance in a first direction, wherein the first direction is the direction from the optical signal transmitter to the first receiving module; and the second receiving module is arranged in parallel with the first receiving module and is used for detecting the light intensity radiance in a second direction, wherein the second direction is the direction from the optical signal transmitter to the second receiving module.
Further, a preset distance value is arranged between the first receiving module and the second receiving module at an interval, wherein the preset distance value determines the preset illumination range.
Further, still include: and the angle calculation module is used for calculating the installation angles among the second receiving module, the optical signal transmitter and the first receiving module.
Further, the processor includes: the signal attenuation calculating module is used for calculating a light intensity radiance attenuation value according to the light intensity radiance in the first direction and the light intensity radiance in the second direction; and the judging module is used for determining a light intensity radiation attenuation range according to the light intensity radiation attenuation value and the light intensity radiation in the first direction, and judging whether the light intensity radiation of the light output by the optical signal transmitter accords with a preset light intensity radiation condition in the preset illumination range according to the light intensity radiation attenuation range.
Further, each of the at least two receiving modules is arranged on the printed circuit board PCB.
Further, still include: and the power supply module is used for providing electric energy for each receiving module on the PCB.
Further, the optical signal transmitter is an optical-electrical signal generator.
According to another aspect of the embodiments of the present invention, there is also provided a detection method applied to any one of the detection systems, including: acquiring light in at least two directions output by an optical signal transmitter; detecting the light intensity irradiance of light in each direction to obtain a detection result; and judging whether the light intensity radiance of the light output by the optical signal transmitter meets the preset light intensity radiance condition in a preset lighting range or not according to the detection result.
In the embodiment of the invention, the light signal emitter is used for outputting light in at least two directions, the at least two receiving modules are used for receiving the light in the at least two directions, and the light intensity irradiance of the light in each direction is detected to obtain a detection result, wherein a preset illumination range is determined in front of every two adjacent receiving modules in the at least two receiving modules, and finally, the processor is used for judging whether the light intensity radiance of the light output by the light signal emitter meets the preset light intensity radiance condition in the preset illumination range according to the detection result. Through the receiving module who increases the light intensity detection, detect the light intensity of a plurality of directions of optical signal transmitter, improve the content and the scope that detect, just so can detect the light intensity decay trend when having certain angle, and then solve among the correlation technique light intensity detecting system and only detect the front light intensity of transmitter, and can't detect the technical problem of the light intensity decay trend when having certain angle.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic diagram of a detection system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of alternative multidirectional detection circuitry in accordance with embodiments of the present invention;
FIG. 3 is a schematic diagram of an alternative light intensity detection control system according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
To facilitate the understanding of the present invention, some terms or nouns related to the embodiments of the present invention are explained below:
the PCB, Printed Circuit Board, is the support of electronic components, is the carrier of electronic components electrical connection.
The photoelectric emitter converts the input current into an optical signal on the emitter to emit, and the receiving module detects the target object according to the received light intensity or errors.
The following embodiments of the invention can be applied to detection systems or other detection devices with various light intensity radiances, the specific position of the arrangement is not limited, compared with the problems of inaccurate detection and insufficient precision caused by the light intensity radiance of the detection light signal emitter of the existing single receiving module, the invention can detect the light intensity radiance through the multi-direction receiving module to obtain the light intensity radiance and the installation angle information of the light signal emitter, and during the detection, the detection point is lifted to be a detection surface, the detection content and range are obviously improved, and the detection precision can be improved. The invention is explained in detail below with reference to the corresponding schematic drawings.
Fig. 1 is a schematic diagram of a detection system according to an embodiment of the present invention, as shown in fig. 1, the detection system including: an optical signal transmitter 11, at least two receiving modules 12, a processor 13, wherein,
and an optical signal transmitter 11 for outputting light in at least two directions.
The at least two receiving modules 12 are configured to receive light in at least two directions, and detect light intensity irradiance of the light in each direction to obtain a detection result, where a preset illumination range is determined before every two adjacent receiving modules in the at least two receiving modules.
And the processor 13 is configured to determine whether the light intensity radiance of the light output by the optical signal emitter meets a preset light intensity radiance condition within a preset lighting range according to the detection result.
Through the above-mentioned detecting system, utilize light signal transmitter 11 to output the light of two at least directions, receive the light of two at least directions through two at least receiving modules 12, and detect the light intensity irradiance of the light of every direction, obtain the testing result, wherein, confirm a preset illumination scope before every adjacent two receiving modules in two at least receiving modules, finally through treater 13 according to the testing result, judge whether the light intensity radiance of the light that light signal transmitter output accords with the light intensity radiation condition of presetting in presetting the illumination scope. In this embodiment, through increasing the receiving module that the light intensity detected, detect the light intensity of the multiple directions of optical signal transmitter, improve the content and the scope that detect, just so can detect the light intensity decay trend when having certain angle, and then solve the prior art light intensity detecting system and only detect the front light intensity of transmitter, and can't detect the technical problem of the light intensity decay trend when having certain angle.
For the embodiments of the present invention, in the above-mentioned detection system, the optical signal emitter may refer to a light source that emits an optical signal. Optionally, the optical signal transmitter includes: a light source carrier; and the light source emission interface is used for outputting light emitted by the light source carrier in at least two directions.
The optical signal emitter can emit an optical signal, and the emitting direction of the optical signal emitter can include a direction opposite to the receiving module or an oblique direction.
In an alternative example, the optical signal emitter may be an optoelectronic emitter.
Further, each of the at least two receiving modules is arranged on the printed circuit board PCB.
As an optional example, the at least two receiving modules comprise: the first receiving module corresponds to the front face of the light source transmitting interface and detects the light intensity radiance in a first direction, wherein the first direction is the direction from the optical signal transmitter to the first receiving module; and the second receiving module is arranged in parallel with the first receiving module and is used for detecting the light intensity radiance in a second direction, wherein the second direction is the direction from the optical signal transmitter to the second receiving module.
That is, in the embodiment of the present invention, the receiving modules for detecting the light intensity radiance include at least two receiving modules, where the first receiving module may be a receiving module facing the optical signal transmitter, that is, a receiving module indicating the shortest distance to the optical signal transmitter, and the light intensity radiance received by the first receiving module is the largest. And the first direction may refer to a direction in which the optical signal transmitter transmits light to the first receiving module. The second receiving module may be arranged parallel to the first receiving module, and the received light is obliquely directed light, and the received light intensity radiance is lower than that of the first receiving module.
The first receiving module can be opposite to the transmitting central point of the optical signal transmitter, detect the maximum light intensity radiation degree, and form a fixed angle with other receiving modules and transmitters, so as to carry out light intensity test.
Optionally, a preset distance value is spaced between the first receiving module and the second receiving module, where the preset distance value determines a preset illumination range.
FIG. 2 is a schematic diagram of an alternative multi-directional detection circuitry according to an embodiment of the invention, as shown in FIG. 2, the light intensity detection system comprising: the light source comprises a photoelectric emitter 21, a first light intensity module 221, a second light intensity module 222 and a third light intensity module 223, wherein the first light intensity module 221, the second light intensity module 222 and the third light intensity module 223 are arranged on a PCB 224.
The light receiving modules are three, wherein the second light intensity module 222 indicates the setting position of the first light receiving module, and the first light intensity module 221 and the third light intensity module 223 indicate the setting position of the second light receiving module.
As shown in fig. 2, the first light intensity module 221 and the second light intensity module 222 are spaced apart by a predetermined distance value therebetween, the first light intensity module 221 and the second light intensity module 222 indicate a detection range of the irradiance of one light intensity, the second light intensity module 222 and the third light intensity module 223 are also spaced apart by a predetermined distance value therebetween, and the second light intensity module 222 and the third light intensity module 223 indicate a detection range of the irradiance of the other light intensity.
As shown in fig. 2, the optical signal transmitter is a photoelectric transmitter, which can transmit an optical signal to the first optical intensity module 221, the second optical intensity module 222, and the third optical intensity module 223, according to the principle of transmitting an optical signal, the receiving intensity of the middle optical intensity module (i.e. the second optical intensity module) is the highest, and the received optical intensities of the left and right modules (including the first optical intensity module 221 and the third optical intensity module 223) are correspondingly attenuated, so that the information of the optical intensities within the range can be processed to obtain the finally required detection data.
In the embodiment of the invention, the angles and the distances between the other receiving modules around the first receiving module and the optical signal transmitter can be changed according to the test requirements, so that the detection requirements under different test requirements are realized.
In another optional example, the detection system further includes: and the angle calculation module is used for calculating the installation angle among the second receiving module, the optical signal transmitter and the first receiving module. The angle between the modules can be calculated, and the characteristic of light intensity reduction is determined by combining the distance between the receiving module and the optical signal transmitter.
As another optional example of the invention, the processor comprises: the signal attenuation calculating module is used for calculating a light intensity radiance attenuation value according to the light intensity radiance in the first direction and the light intensity radiance in the second direction; and the judging module is used for determining the light intensity radiation attenuation range according to the light intensity radiation attenuation value and the light intensity radiation in the first direction, and judging whether the light intensity radiation of the light output by the optical signal transmitter meets the preset light intensity radiation condition in the preset illumination range or not according to the light intensity radiation attenuation range.
Fig. 3 is a schematic diagram of another alternative light intensity detection control system according to an embodiment of the present invention, specifically, as shown in fig. 3, it includes a power input 31, a processor 32, a first side light intensity receiving module 33, a second side light intensity receiving module 34, a third side light intensity receiving module 35, and an optical signal output module 36.
Optionally, the optical signal output module 36 may provide optical signals to the first side optical intensity receiving module 33, the second side optical intensity receiving module 34, and the third side optical intensity receiving module 35, respectively, and may convert the input electrical energy into optical signals and output the optical signals to the three modules, respectively.
Wherein the first side light intensity receiving module 33 indicates that the first light intensity module 221 shown in fig. 2 receives light intensity, the second side light intensity receiving module 34 indicates that the second light intensity module 222 shown in fig. 2 receives light intensity, and the third side light intensity receiving module 35 indicates that the third light intensity module 223 shown in fig. 2 receives light intensity, as can be seen from fig. 3, power is supplied to the first side light intensity receiving module 33, the second side light intensity receiving module 34, and the third side light intensity receiving module 35 through the power input 31, and here, power can be supplied to the PCB board on which the first side light intensity receiving module 33, the second side light intensity receiving module 34, and the third side light intensity receiving module 35 are located.
In addition, the processor 32 is used to analyze the light intensity irradiance received by the first side light intensity receiving module 33, the second side light intensity receiving module 34, and the third side light intensity receiving module 35, and analyze the light intensity irradiance attenuation law.
As an optional example of the invention, the processor chip obtains the radiation value of the received light intensity through I2C bus communication, and then compares the received values of the three modules to calculate and process, so as to obtain whether the irradiance of the light intensity signal in the range meets the requirement.
As another optional example of the present invention, the detection system further includes: and the power supply module is used for supplying power to each receiving module on the PCB.
As can be seen from the above description of the embodiments of the present invention, the first receiving module may be installed in the opposite direction of the optical signal transmitter, that is, in the front of the optical signal transmitter, and the first receiving module (that is, the central light intensity detecting module) is opposite to the signal transmitting central point, so that the other receiving modules (such as the first receiving module and the third receiving module in fig. 2) and the optical signal transmitter form a same fixed angle, thereby performing the light intensity test.
After three light intensity module received signal, with data transmission to treater chip, calculate data such as light intensity radiance, light intensity difference between the chip to information such as positive direction light intensity value, light intensity irradiance decay range, installation angle deviation are obtained, detect the transmitter with reference standard, promote the output yields.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A detection system, comprising:
an optical signal transmitter for outputting light in at least two directions;
the at least two receiving modules are used for receiving the light in the at least two directions and detecting the light intensity irradiance of the light in each direction to obtain a detection result, wherein a preset illumination range is determined in front of each two adjacent receiving modules in the at least two receiving modules, and each receiving module in the at least two receiving modules is arranged on the Printed Circuit Board (PCB);
a processor for judging whether the light intensity radiation degree of the light output by the light signal emitter meets the preset light intensity radiation condition in the preset illumination range according to the detection result,
the processor includes: the signal attenuation calculating module is used for calculating a light intensity radiance attenuation value according to the light intensity radiance in the first direction and the light intensity radiance in the second direction; and the judging module is used for determining a light intensity radiation attenuation range according to the light intensity radiation attenuation value and the light intensity radiation in the first direction, and judging whether the light intensity radiation of the light output by the optical signal transmitter accords with a preset light intensity radiation condition in the preset illumination range according to the light intensity radiation attenuation range.
2. The detection system of claim 1, wherein the optical signal transmitter comprises:
a light source carrier;
and the light source emission interface is used for outputting light emitted by the light source carrier in at least two directions.
3. The detection system of claim 2, wherein the at least two receiving modules comprise:
the first receiving module corresponds to the front face of the light source transmitting interface and detects the light intensity radiance in a first direction, wherein the first direction is the direction from the optical signal transmitter to the first receiving module;
and the second receiving module is arranged in parallel with the first receiving module and is used for detecting the light intensity radiance in a second direction, wherein the second direction is the direction from the optical signal transmitter to the second receiving module.
4. The detection system according to claim 3, wherein the first receiving module and the second receiving module are separated by a preset distance value, wherein the preset distance value determines the preset illumination range.
5. The detection system of claim 3, further comprising:
and the angle calculation module is used for calculating the installation angles among the second receiving module, the optical signal transmitter and the first receiving module.
6. The detection system of claim 1, further comprising:
and the power supply module is used for providing electric energy for each receiving module on the PCB.
7. The detection system of claim 1, wherein the optical signal transmitter is an optical-to-electrical signal generator.
8. A detection method applied to the detection system of any one of claims 1 to 7, comprising:
acquiring light in at least two directions output by an optical signal transmitter;
detecting the light intensity irradiance of light in each direction to obtain a detection result;
and judging whether the light intensity radiance of the light output by the optical signal transmitter meets the preset light intensity radiance condition in a preset lighting range or not according to the detection result.
CN201811231948.2A 2018-10-22 2018-10-22 Detection method and detection system Active CN109100016B (en)

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Publication number Priority date Publication date Assignee Title
CN110031912B (en) * 2019-05-27 2021-03-23 深圳市瑞微智能有限责任公司 Anti-interference material detection method
CN112484654B (en) * 2020-11-11 2021-09-07 湖南久钰电子有限公司 Building structure on-line monitoring method and system, electronic equipment and storage medium
CN113976481A (en) * 2021-10-25 2022-01-28 江西省兆驰光电有限公司 Method, system, computer and storage medium for sorting LEDs based on light emitting angle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1847719A (en) * 2005-01-06 2006-10-18 Ece公司 Light signaling device
CN101566500A (en) * 2008-04-23 2009-10-28 广州市光机电技术研究院 Device and method for testing LED light source intensity space distribution characteristic
CN105897336A (en) * 2016-06-06 2016-08-24 中国人民解放军信息工程大学 Wireless communication system and method, VLC (Visible Light Communication) control chip and user equipment
CN106375005A (en) * 2015-12-31 2017-02-01 中广核工程有限公司 Visible light communication system, and base station, terminal and optical transceiving device thereof
CN207099074U (en) * 2017-06-13 2018-03-13 周梦溪 Optical communication system in a kind of space

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1847719A (en) * 2005-01-06 2006-10-18 Ece公司 Light signaling device
CN101566500A (en) * 2008-04-23 2009-10-28 广州市光机电技术研究院 Device and method for testing LED light source intensity space distribution characteristic
CN106375005A (en) * 2015-12-31 2017-02-01 中广核工程有限公司 Visible light communication system, and base station, terminal and optical transceiving device thereof
CN105897336A (en) * 2016-06-06 2016-08-24 中国人民解放军信息工程大学 Wireless communication system and method, VLC (Visible Light Communication) control chip and user equipment
CN207099074U (en) * 2017-06-13 2018-03-13 周梦溪 Optical communication system in a kind of space

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