CN114900926A - Auxiliary lighting optical system for electric energy meter verification and lighting implementation method - Google Patents
Auxiliary lighting optical system for electric energy meter verification and lighting implementation method Download PDFInfo
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- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
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Abstract
The invention discloses an auxiliary lighting optical system for electric energy meter verification and a lighting implementation method, which relate to the technical field of lighting and solve the technical problems of evaluation and self-adaptive adjustment of the auxiliary lighting optical system; evaluating the light sensing range, the adjusting range and the induction efficiency of the light environment of the electric energy meter calibrating device through an illumination evaluation module; the illumination light is adaptively adjusted through an adaptive light adjusting module, wherein the adaptive light adjusting module comprises an illuminance value conversion module, a proximity value comparison module and an adjusting and judging module, and illumination control of the embedded control assembly is realized through a control module; the conversion from analog information to digital signals is realized through a data converter, and the verification data information and the illumination data information of the electric energy meter are dynamically evaluated; the auxiliary lighting capacity for electric energy meter verification is greatly improved.
Description
Technical Field
The invention relates to the technical field of illumination, in particular to an auxiliary illumination optical system for electric energy meter verification and an illumination implementation method.
Background
At present, the verification work of the electric energy meter still has a lot of problems, which influence the smooth development of the verification work, such as the illumination problem, in the verification process of the electric energy meter, different verification of the electric energy meter is realized by adopting an electric energy meter verification device, structurally, the electric energy meter is divided into an integrated device structure and a split device structure, and the electric energy meter is matched with a three-phase multifunctional standard electric energy meter, a program-controlled power source, an error calculator, a pulse and broadcast and television signal receiving system, device control software, a computer, a peripheral device, a time-base frequency instrument, a communication interface 485 embedded type and a multi-winding isolation PT. The electric energy meter calibration generally comprises a full-automatic calibration function, and the automatic calibration is carried out according to the requirements of national regulations, such as shunt running, starting, basic error, standard deviation, constant test, daily timing error test, time interval test, demand test and the like. The test results can be automatically stored, counted, classified, inquired and managed. And the test data can be uploaded by networking with a management system of a client.
In the process, how to improve the verification effect of the electric energy meter, the illumination plays a crucial role in the verification process of the electric energy meter, and the illumination is to utilize various light sources to illuminate a verification device or a verification site of the electric energy meter so as to improve the verification capability of the electric energy meter. In the prior art, a conventional light source is generally adopted for illumination, so that illumination evaluation and adaptive adjustment cannot be realized, and the application efficiency of an illumination system is low.
Disclosure of Invention
Aiming at the technical defects, the invention discloses an auxiliary illumination optical system for electric energy meter verification and an illumination realizing method, which can illuminate a verification device or an electric energy meter verification site by utilizing various light sources, can realize evaluation and self-adaptive adjustment of illumination of the electric energy meter verification surrounding environment, and improve illumination efficiency.
In order to achieve the technical effects, the invention adopts the following technical scheme:
an auxiliary illumination optical system for electric energy meter verification, wherein the optical system comprises:
the light source sensing module is used for sensing the environment around the electric energy meter calibrating device, and the type of sensing light is the luminous environment of the electric energy meter calibrating device with external light sensing, light source sensing, strong light sensing or weak light sensing; the light source sensing module comprises a detection controller, a light sensor and a light intensity dividing module, wherein the light sensor and the light intensity dividing module are connected with the detection controller; the detection controller is used for controlling light source induction, the light sensor is used for sensing the intensity of light around the electric energy meter calibrating device, and the light intensity dividing module is used for dividing the intensity of light around the electric energy meter calibrating device into different levels;
the illumination evaluation module is used for evaluating the light sensing range, the adjusting range and the induction efficiency of the light environment of the electric energy meter calibrating device; the illumination evaluation module comprises a light ray information input module, a calculation module and an output module; the output end of the light ray information input module is connected with the input end of the computing module, and the output end of the computing module is connected with the input end of the output module;
the self-adaptive light adjusting module is used for self-adaptively adjusting illumination light according to the surrounding environment of the electric energy meter calibrating device and comprises an illumination value conversion module, a proximity value comparison module and an adjusting and judging module, wherein the output end of the illumination value conversion module is connected with the input end of the proximity value comparison module, and the output end of the proximity value comparison module is connected with the input end of the adjusting and judging module;
the control module realizes illumination control through the embedded control assembly;
the data converter is used for realizing conversion from analog information to digital signals and dynamically evaluating verification data information and illumination data information of the electric energy meter;
the power supply module is used for providing voltage, current or other modules for normal work of different modules;
an illumination device for providing illumination;
the control module is respectively connected with the light source sensing module, the illumination evaluation module, the light self-adaptive adjusting module, the data converter, the power supply module and the illumination device.
As a further technical scheme of the invention, the detection controller is a detection module based on AT89C2051 series single chip microcomputer control, the light sensor comprises a photoelectric sensor, and the light intensity dividing module comprises a threshold setting module, a comparison module and a classification module, wherein the output end of the threshold setting module is connected with the input end of the comparison module, and the output end of the comparison module is connected with the input end of the classification module.
As a further technical scheme of the invention, the light intensity dividing module divides the light according to the light intensity, the illumination, the gray shade around the electric energy meter calibrating device and the electric energy meter calibrating station.
As a further technical solution of the present invention, the calculation module calculates light around the electric energy meter calibration apparatus through the DSP, wherein the calculation content is external light sensing information, light source sensing information, strong light sensing information, weak light sensing information, or shading information.
As a further technical scheme of the invention, the illuminance value conversion module is further provided and connected with an induction interface, a photoelectric conversion interface, an a/D conversion module, a network port and a power supply module, the regulation and judgment module is connected with the electric signal conversion module, wherein the electric signal conversion module is connected with the current induction converter and the voltage induction converter, the voltage induction converter outputs a conversion signal through the inverter, the output end of the electric signal conversion module is connected with the input end of the signal storage module, and the output end of the signal storage module is connected with the input end of the lighting device; the proximity value comparison module is connected with the adjustment judgment module, the proximity value comparison module realizes proximity value comparison through normal distribution set index threshold, and the adjustment judgment module compares threshold output results with threshold settings.
As a further technical scheme of the invention, the control module is an ARM embedded processor.
As a further technical scheme of the invention, the data converter is an A/D conversion module or a photoelectric conversion module.
As a further technical solution of the present invention, the illumination device is an LCD matrix array.
An optical method of auxiliary lighting for electric energy meter verification, comprising the following steps:
(S1) sensing the environment around the electric energy meter calibrating device through the light source sensing module, wherein the sensing light type is the light environment of the electric energy meter calibrating device with external light sensing, light source sensing, strong light sensing or weak light sensing; dividing the light intensity of the surrounding environment of the electric energy meter calibrating device into different levels; the power supply module provides voltage, current or other modules for normal operation of different modules; providing illumination by an illumination device;
(S2), evaluating the light sensing range, the adjusting range and the sensing efficiency of the light environment of the electric energy meter calibrating device through an illumination evaluation module; the evaluation method is an LSA algorithm model;
(S3), the illumination light is adjusted in a self-adaptive mode through the light self-adaptive adjusting module according to the environment around the electric energy meter calibrating device;
(S4) implementing lighting control by the control module;
(S5) converting the analog information into the digital signal through a data converter, and dynamically evaluating the verification data information and the illumination data information of the electric energy meter;
wherein the LSA algorithm model comprises the following steps:
step one, analyzing the environmental light distribution and the change rule under the regional station of a certain electric energy meter calibrating device through the input environmental light data variable to obtain an environmental light distribution and change model function as shown in a formula (1):
in the formula (1), the first and second groups,
an ambient light data function representing a workstation at a region of an electric energy meter verification device,
parameter information representing the change of the regional station ambient light of the electric energy meter calibrating device,
parameter information representing the light distribution of the regional work station environment of the electric energy meter calibrating device,
the number of light sources in the regional station environment of the electric energy meter calibrating device is shown,
the light change coefficient of the electric energy meter calibrating device area is shown,
representing the regional light change distribution coefficient of the electric energy meter calibrating device;
step two, calculating a photosensitive standard coverage range of the sensing device in the current environment, judging whether photosensitive range adjustment is needed according to the environment, and calculating a formula of the current actual photosensitive coverage range according to a distribution change model function to obtain the formula shown in formula (2):
in the formula (2), the first and second groups,
representing the maximum light perception coverage required in the current environment,
a variable representing the initialized ambient light data,
indicating the initialization of the ambient light distribution variable,
the light source data matrix is shown with the light sensing device covered.
The number of light sources in the regional station environment of the electric energy meter calibrating device is shown,
the light change coefficient of the electric energy meter calibrating device area is shown,
the distribution coefficient of the light change of the electric energy meter calibrating device area is shown,
indicating a photosensitive cycle;
the method comprises the following steps that 2 different types of conditions exist in parameter information representing regional station environment light distribution of the electric energy meter calibrating device;
step two: according to the calculated function of the light sensation coverage surface under the current environment, the possible range formula of the lighting condition is obtained by supposing the lighting requirement in the range as shown in formula (3):
in the formula (3), the first and second groups,
a matrix of functions representing the lighting demand capability in a normal state,
representing the maximum light perception coverage required in the current environment,
it is indicated that the light sensing period is,
representing the number of light sources in the environment;
step three: judging the illumination brightness, wherein if the normal algebraic matrix identified and calculated by the light sensing device is 1, the illumination brightness in the current environment is in accordance with the standard condition; if the algebraic matrix obtained by calculation is not 1, the lighting requirement in the environment is higher than the standard lighting instruction;
step four: the selected illumination brightness is summarized through the regional environmental illumination requirements of the electric energy meter calibrating device, and an illumination brightness requirement matrix under the illumination change generated in the current environment is calculated through a multiplier method and is shown in a formula (4):
in the formula (4), the first and second groups,
showing the change proportion of the regional ambient light of the electric energy meter calibrating device,
indicating the lighting requirements under normal amplitude variations of ambient light,
indicating the lighting requirement in the case of abnormal amplitude of ambient light variation,
indicating the light sensation covering surface under the condition that the change amplitude of the ambient light is normal,
the light sensation covering surface under the condition of abnormal change amplitude of the ambient light,
indicating the number of light sources in the environment,
it is indicated that the light sensing period is,
the number of the required light source electricity in the environment is represented;
step five:
the relation between the maximum illumination capability and the induction light source under the condition of the retaining wall is calculated and is shown as the formula (5):
in the formula (5), the first and second groups,
indicating the condition of the photosensitive position of the light source with the optimal distribution,
indicating the illumination capacity intensity under the condition of abnormal light source change amplitude in the same period,
represents a lighting hardware device information variable that,
which represents the rate at which the amplitude of the light source changes,
which is indicative of the proportion of the change in ambient light,
the photosensitive cycle is shown.
The invention has the following positive beneficial effects:
the environment around the electric energy meter calibrating device is sensed through the light source sensing module, and the type of sensing light is the light environment of the electric energy meter calibrating device with external light sensing, light source sensing, strong light sensing or weak light sensing; evaluating the light sensing range, the adjusting range and the induction efficiency of the light environment of the electric energy meter calibrating device through an illumination evaluation module; the illumination light is adaptively adjusted through an adaptive light adjusting module, wherein the adaptive light adjusting module comprises an illuminance value conversion module, a proximity value comparison module and an adjusting and judging module, and illumination control of the embedded control assembly is realized through a control module; the conversion from analog information to digital signals is realized through a data converter, and the verification data information and the illumination data information of the electric energy meter are dynamically evaluated; the auxiliary lighting capacity for electric energy meter verification is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise, wherein;
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a detection controller according to the present invention;
FIG. 3 is a schematic diagram of one embodiment of the system of the present invention;
FIG. 4 is a schematic flow chart of the method of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.
Example (1) System
As shown in fig. 1, the light source sensing module is configured to sense an environment around the electric energy meter calibration apparatus, where the sensing light type is an external light sensing type, a light source sensing type, a strong light sensing type, or a weak light sensing type; the light source sensing module comprises a detection controller, a light sensor and a light intensity dividing module, wherein the light sensor and the light intensity dividing module are connected with the detection controller; the detection controller is used for controlling light source induction, the light sensor is used for sensing the intensity of light around the electric energy meter calibrating device, and the light intensity dividing module is used for dividing the intensity of light around the electric energy meter calibrating device into different levels;
the illumination evaluation module is used for evaluating the light sensing range, the adjusting range and the induction efficiency of the light environment of the electric energy meter calibrating device; the illumination evaluation module comprises a light ray information input module, a calculation module and an output module; the output end of the light ray information input module is connected with the input end of the computing module, and the output end of the computing module is connected with the input end of the output module;
the self-adaptive light adjusting module is used for self-adaptively adjusting illumination light according to the surrounding environment of the electric energy meter calibrating device and comprises an illumination value conversion module, a proximity value comparison module and an adjusting and judging module, wherein the output end of the illumination value conversion module is connected with the input end of the proximity value comparison module, and the output end of the proximity value comparison module is connected with the input end of the adjusting and judging module;
the control module realizes illumination control through the embedded control assembly;
the data converter is used for realizing conversion from analog information to digital signals and dynamically evaluating verification data information and illumination data information of the electric energy meter;
the power supply module is used for providing voltage, current or other modules for normal work of different modules;
an illumination device for providing illumination;
the control module is respectively connected with the light source sensing module, the illumination evaluation module, the light self-adaptive adjusting module, the data converter, the power supply module and the illumination device.
In the above embodiment, when the electric energy meter calibrating device has sufficient ambient light, the detection environment is very bright, and when the electric energy meter calibrating device has insufficient ambient light, the detection environment is not bright.
In the above embodiment, as shown in fig. 2, the detection controller is a detection module based on AT89C2051 series single chip microcomputer control, the light sensor includes a photoelectric sensor, and the light intensity dividing module includes a threshold setting module, a comparison module and a classification module, where an output end of the threshold setting module is connected to an input end of the comparison module, and an output end of the comparison module is connected to an input end of the classification module.
In a specific embodiment, the photonic device LTR-301ALS-01 is an integrated I2C photonic sensor (ALS) with a size of 2.65x2.0x0.7mm, the LTR-301ALS-01 photonic sensor converts the inter-operability between lights into a digital output signal capable of being interfaced directly to I2C, provides a linear response over a dynamic range of 0.01lux to 64K lux, is suitable for use in high-brightness environments, the LTR-301ALS-01 photonic device I2C photonic sensor supports interrupt functionality, eliminates the need to poll the sensor to obtain a readout that improves system efficiency, and supports some functions that minimize false trigger occurrences, such a CMOS design and factory setup one-time fine-tuning functionality ensures sensor-to-sensor variation to facilitate end-client manufacturing, more photonic devices I2C photonic sensors, a small spot of photonic sensors located next to the front camera, if under the condition of sufficient light (outdoors or indoors with sufficient light), the keyboard lamp can be automatically turned off after 2-3 seconds, even if you operate the machine again, the keyboard lamp can not be turned on, and unless a place with dark light is reached, another keyboard lamp can be automatically turned on; if the light sensor is covered by hand under the condition of sufficient light, the keyboard lamp can automatically light after 2-3 seconds, and the keyboard lamp plays a role of the light sensor and plays a role in saving power. By applying the module to the electric energy meter calibrating device by the method, the optical illumination of the electric energy meter calibrating device can be adjusted in a self-adaptive manner, so that the illumination capability is improved.
The invention is suitable for the electric energy meter calibrating device, can improve the illumination assistance of the electric energy meter under various environments, can sense the environment around the electric energy meter calibrating device through the light source sensing module, and can evaluate the light condition of the electric energy meter calibrating device through the illumination evaluation module.
In the above embodiment, the light intensity dividing module divides the light according to the light intensity, the illumination, the gray level around the electric energy meter calibration device, and the electric energy meter calibration station.
In the above embodiment, the calculation module calculates the light around the electric energy meter calibration device through the DSP, where the calculation content is external light sensing information, light source sensing information, strong light sensing information, weak light sensing information, or darkness information.
In a specific embodiment, in other embodiments, an ARM + DSP dual-core processor may also be adopted to realize the calculation of data information of the electric energy meter calibration apparatus, the ARM Cortex application processor is an 16/32-bit RISC microprocessor, the interface is provided with an SDIO interface, an SD card interface, a serial port, a network port, a USB interface, etc., the control module memory is a DDB memory above 128MB and has 256MB NAND flash, and the control board S3C6410 processor can support multiple storage and starting modes of NAND flash, NOR flash, SD card, etc. The DSP module can be used as an adapter to realize high-precision calculation of collected data information, and the DSP module can improve light calculation capacity.
In a specific embodiment, when the light intensity is divided, the control can be performed through a programmable controller, for example, ambient environment information or light intensity, illumination, gray level around the electric energy meter calibration device and electric energy meter calibration station information are set, and when the division is performed, each type of information is combined or trained through data to realize classification or division of intensity or size. For example, when the division basis is the light intensity, the light intensity can be divided into different modules, a first class, a second class or a third class, and the like, and then the acquired data information is compared with the light intensity parameters of the first class, the second class or the third class, so that the division is realized.
In other embodiments, the lighting evaluation module may further include a lighting input module, a photosensitive area calculation module, a photosensitive intensity calculation module, a photosensitive brightness calculation module, and a lighting output module. In this embodiment, data information is input through the illumination input module, and the light sensing calculation is performed on the input data information through the light sensing area calculation module, for example, multiple data information such as light area, light intensity, and light illuminance can satisfy the data information calculation, wherein the light sensing calculation of multiple data information is realized by the light sensing intensity calculation module, the light sensing degree calculation is realized by the light sensing brightness calculation module, for example, light sensing time, area, size, or type, and the light data information is output through the illumination output module.
In the above embodiment, the illuminance value conversion module is further provided with an induction interface, a photoelectric conversion interface, an a/D conversion module, a network port and a power module, and the adjustment and judgment module is connected to the electric signal conversion module, wherein the electric signal conversion module is connected to the current induction converter and the voltage induction converter, the voltage induction converter outputs a conversion signal through the inverter, an output end of the electric signal conversion module is connected to an input end of the signal storage module, and an output end of the signal storage module is connected to an input end of the lighting device; the proximity value comparison module is connected with the adjustment judgment module, the proximity value comparison module realizes proximity value comparison through normal distribution set index threshold, and the adjustment judgment module compares threshold output results with threshold settings.
In a specific embodiment, an expression can be obtained from many random light information through normal distribution, and the distribution of the illumination parameter in the space is calculated according to the distribution condition of the expression in the space, for example, when parameter data information such as light area, light intensity, light illuminance and the like is obtained, which kind of parameter is observed to be denser in information distribution.
In the above embodiment, the control module is an ARM embedded processor.
In the above embodiments, the data converter is an a/D conversion module or a photoelectric conversion module.
In the above embodiments, the illumination device is an LCD matrix array.
In a specific embodiment, as shown in fig. 3, the automatic illumination adjustment hardware device designed based on the environment sensing device according to the present application can automatically adjust illumination according to the light source intensity of the environment, so that not only can an automatic adjustment function be achieved, but also the use of electric energy can be saved, and the work efficiency of personnel is improved.
The structure of the whole auxiliary lighting optical system is a closed-loop sequential mode, and a plurality of modules are divided according to different functional actions to form a circulating model. The system comprises a light source sensing part, wherein the light source sensing part comprises light environments under various conditions such as external light induction, light source induction, strong light induction and weak light induction, after the light source induction is carried out, data collected by the induction can be transmitted into an algorithm evaluation part through wireless communication, the algorithm evaluation part evaluates the light sensing range, the adjusting range and the induction efficiency, simultaneously optimizes the whole structure of the system, then enters an instruction control part, converts data signals after the adjustment and optimization into instruction signals through a data converter and a signal encoder, and respectively transmits the instructions into a lighting device to adjust the adjusting range or enters the beginning induction device stage to adjust the induction range through control instruction conversion, so that closed loop circulation is completed. In the whole transmission process, the RFID bus in the bus mode is responsible for the trend of the whole light source data and instruction signals. Therefore, the circulating operation of the whole light source sensing illumination system is completed, and the illumination work with high efficiency is completed.
In the specific embodiment, the light sensing chip with high sensitivity is adopted, and the topology optimization structure is adopted to design the hardware of the whole illumination system, so that the process of the light source sensing device is more efficient, the sensitivity of sensing ambient light is enhanced, and the illumination performance is correspondingly improved.
The topological structure's of lighting system hardware of this application design energy aspect is at first supplied with the electric energy by power module, guarantees this hardware device's independence for the continuity of work is kept to the during operation. In the induction device under the structure, the whole chip comprises a 6-channel AD induction module which greatly improves the induction efficiency of an ambient light source, the induced ambient light is transmitted into the system through the change of current and voltage, the voltage and current change induction of the system is carried out according to the field requirement, when the ambient light is weaker, the ambient light is generally changed in a boosting and current increasing mode, meanwhile, the transmission stage of signal change adopts a direct current mode, when the ambient light is stronger, the change mode of voltage reduction and current limitation is adopted, if the ambient light is changed more quickly or the change times are more, the transmitted current and voltage change signal is intercepted through a mutual inductor, the signal is readjusted through an inverter and finally converted into an instruction signal through a voltage and current signal converter for output, the instruction signal can not be directly output at the same time when the instruction signal is output, but can enter an instruction storage device, the illumination adjustment is performed in stages following the continuous ambient light change, thereby meeting the working requirements. The establishment of the topological structure of the lighting system realizes the stability of the hardware work of the lighting system and plays an important role in the whole lighting system. The hardware can automatically adjust according to ambient light, can calculate, analyze and adjust the running data of the hardware through an algorithm model, and is convenient for forming a lighting system more perfectly.
Example (2) method
(S1) sensing the environment around the electric energy meter calibrating device through the light source sensing module, wherein the sensing light type is the light environment of the electric energy meter calibrating device with external light sensing, light source sensing, strong light sensing or weak light sensing; dividing the light intensity of the surrounding environment of the electric energy meter calibrating device into different levels; the power supply module provides voltage, current or other modules for normal operation of different modules; providing illumination by an illumination device;
(S2), evaluating the light sensing range, the adjusting range and the sensing efficiency of the light environment of the electric energy meter calibrating device through an illumination evaluation module; the evaluation method is an LSA algorithm model;
(S3), the illumination light is adjusted in a self-adaptive mode through the light self-adaptive adjusting module according to the environment around the electric energy meter calibrating device;
(S4), implementing lighting control by the control module;
(S5) converting the analog information into the digital signal through a data converter, and dynamically evaluating the verification data information and the illumination data information of the electric energy meter;
wherein the LSA algorithm model comprises the following steps:
in the aspect of algorithm, the method is based on an LSA (light Source analysis) algorithm model to evaluate the sensing efficiency and the adjusting efficiency of the photosensitive adjusting hardware, so that the photosensitive range and the adjusting variation range are designed and changed according to the evaluation result, the photosensitive efficiency is improved,
step one, analyzing the environmental light distribution and the change rule under the regional station of a certain electric energy meter calibrating device through the input environmental light data variable to obtain an environmental light distribution and change model function as shown in a formula (1):
in the formula (1), the first and second groups,
an ambient light data function representing a workstation at a region of an electric energy meter verification device,
parameter information representing the change of the regional station ambient light of the electric energy meter calibrating device,
parameter information representing the light distribution of the regional work station environment of the electric energy meter calibrating device,
the number of light sources in the regional station environment of the electric energy meter calibrating device is shown,
the light change coefficient of the electric energy meter calibrating device area is shown,
representing the regional light change distribution coefficient of the electric energy meter calibrating device;
step two, calculating a photosensitive standard coverage range of the sensing device in the current environment, judging whether photosensitive range adjustment is needed according to the environment, and calculating a formula of the current actual photosensitive coverage range according to a distribution change model function to obtain the formula shown in formula (2):
in the formula (2), the first and second groups,
representing the maximum light perception coverage required in the current environment,
a variable representing the initialized ambient light data,
indicating the initialization of the ambient light distribution variable,
show light sense dressAnd setting a light source data matrix under a covering condition.
The number of light sources in the regional station environment of the electric energy meter calibrating device is shown,
the light change coefficient of the electric energy meter calibrating device area is shown,
the distribution coefficient of the light change of the electric energy meter calibrating device area is shown,
indicating a photosensitive cycle;
the method comprises the following steps that 2 different types of conditions exist in parameter information representing regional station environment light distribution of the electric energy meter calibrating device;
step two: according to the calculated function of the light sensation coverage surface under the current environment, the possible range formula of the lighting condition is obtained by supposing the lighting requirement in the range as shown in formula (3):
in the formula (3), the first and second groups,
a matrix of functions representing the lighting demand capability in a normal state,
representing the maximum light perception coverage required in the current environment,
it is indicated that the light sensing period is,
representing the number of light sources in the environment;
step three: judging the illumination brightness, wherein if the normal algebraic matrix identified and calculated by the light sensing device is 1, the illumination brightness in the current environment is in accordance with the standard condition; if the algebraic matrix obtained by calculation is not 1, the lighting requirement in the environment is higher than the standard lighting instruction;
step four: the selected illumination brightness is summarized through the regional environmental illumination requirements of the electric energy meter calibrating device, and an illumination brightness requirement matrix under the illumination change generated in the current environment is calculated through a multiplier method and is shown in a formula (4):
in the formula (4), the first and second groups,
showing the change proportion of the regional ambient light of the electric energy meter calibrating device,
indicating the lighting requirements under normal amplitude variations of ambient light,
indicating the lighting requirement in the case of abnormal amplitude of ambient light variation,
indicating the light sensation covering surface under the condition that the change amplitude of the ambient light is normal,
the light sensation covering surface under the condition of abnormal change amplitude of the ambient light,
indicating the number of light sources in the environment,
it is indicated that the light sensing period is,
the number of the required light source electricity in the environment is represented;
step five: the feature matrix of the light sensing device reflects the relationship between the lighting hardware of the lighting system and the light sensing capability of the light sensing device, so that the relationship between the maximum lighting capability and the sensing light source under the condition of the retaining wall can be calculated as shown in formula (5):
in the formula (5), the first and second groups,
indicating the condition of the photosensitive position of the light source with the optimal distribution,
indicating the illumination capacity intensity under the condition of abnormal light source change amplitude in the same period,
represents a lighting hardware device information variable that,
which represents the rate at which the amplitude of the light source changes,
which is indicative of the proportion of the change in ambient light,
the photosensitive cycle is shown.
The relation between the illumination intensity provided by the system and the light sensation range under the current condition can be obtained through calculation of the formula, if the proportionality coefficient obtained by calculation of the formula and the light sensation range is in a standard set range, the requirement of the environment for providing illumination brightness load currently is indicated, and if the proportionality coefficient is lower than or higher than the set standard range, the illumination degree needs to be improved or reduced and adjusted.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that these specific embodiments are merely illustrative and that various omissions, substitutions and changes in the form of the detail of the methods and systems described above may be made by those skilled in the art without departing from the spirit and scope of the invention. For example, it is within the scope of the present invention to combine the steps of the above-described methods to perform substantially the same function in substantially the same way to achieve substantially the same result. Accordingly, the scope of the invention is to be limited only by the following claims.
Claims (9)
1. The utility model provides an electric energy meter is examined and is used auxiliary lighting optical system which characterized in that: the optical system includes:
the light source sensing module is used for sensing the environment around the electric energy meter calibrating device, and the type of sensing light is the luminous environment of the electric energy meter calibrating device with external light sensing, light source sensing, strong light sensing or weak light sensing; the light source sensing module comprises a detection controller, a light sensor and a light intensity dividing module, wherein the light sensor and the light intensity dividing module are connected with the detection controller; the detection controller is used for controlling light source induction, the light sensor is used for sensing the intensity of light around the electric energy meter calibrating device, and the light intensity dividing module is used for dividing the intensity of light around the electric energy meter calibrating device into different levels;
the illumination evaluation module is used for evaluating the light sensing range, the adjusting range and the induction efficiency of the light environment of the electric energy meter calibrating device; the illumination evaluation module comprises a light ray information input module, a calculation module and an output module; the output end of the light ray information input module is connected with the input end of the computing module, and the output end of the computing module is connected with the input end of the output module;
the self-adaptive light adjusting module is used for self-adaptively adjusting illumination light according to the surrounding environment of the electric energy meter calibrating device and comprises an illumination value conversion module, a proximity value comparison module and an adjusting and judging module, wherein the output end of the illumination value conversion module is connected with the input end of the proximity value comparison module, and the output end of the proximity value comparison module is connected with the input end of the adjusting and judging module;
the control module realizes illumination control through the embedded control assembly;
the data converter is used for realizing conversion from analog information to digital signals and dynamically evaluating verification data information and illumination data information of the electric energy meter;
the power supply module is used for providing voltage, current or other modules for normal work of different modules;
an illumination device for providing illumination;
the control module is respectively connected with the light source sensing module, the illumination evaluation module, the light self-adaptive adjusting module, the data converter, the power supply module and the illumination device.
2. The auxiliary lighting optical system for electric energy meter verification according to claim 1, wherein: the detection controller is a detection module based on AT89C2051 series single chip microcomputer control, the light sensor comprises a photoelectric sensor, the light intensity dividing module comprises a threshold setting module, a comparison module and a classification module, wherein the output end of the threshold setting module is connected with the input end of the comparison module, and the output end of the comparison module is connected with the input end of the classification module.
3. The auxiliary lighting optical system for electric energy meter verification according to claim 1, wherein: the light intensity dividing module divides the light according to the light intensity, the illumination, the gray shade around the electric energy meter calibrating device and the electric energy meter calibrating station.
4. The auxiliary lighting optical system for electric energy meter verification according to claim 1, characterized in that: the calculation module calculates light rays around the electric energy meter calibrating device through the DSP, wherein the calculation content is external light induction information, light source induction information, strong light induction information, weak light induction information or gray and dark information.
5. The auxiliary lighting optical system for electric energy meter verification according to claim 1, wherein: the illuminance value conversion module is also provided with an induction interface, a photoelectric conversion interface, an A/D conversion module, a network port and a power supply module, the regulation and judgment module is connected with the electric signal conversion module, the electric signal conversion module is connected with the current induction converter and the voltage induction converter, the voltage induction converter outputs a conversion signal through the inverter, the output end of the electric signal conversion module is connected with the input end of the signal storage module, and the output end of the signal storage module is connected with the input end of the lighting device; the proximity value comparison module is connected with the adjustment judgment module, the proximity value comparison module realizes proximity value comparison through normal distribution set index threshold, and the adjustment judgment module compares threshold output results with threshold settings.
6. The auxiliary lighting optical system for electric energy meter verification according to claim 1, wherein: the control module is an ARM embedded processor.
7. The auxiliary lighting optical system for electric energy meter verification according to claim 1, wherein: the data converter is an A/D conversion module or a photoelectric conversion module.
8. The auxiliary lighting optical system for electric energy meter verification according to claim 1, wherein: the lighting device is an LCD matrix array.
9. An auxiliary lighting optical method for electric energy meter verification is characterized in that: the method comprises the following steps:
(S1) sensing the environment around the electric energy meter calibrating device through the light source sensing module, wherein the sensing light type is the light environment of the electric energy meter calibrating device with external light sensing, light source sensing, strong light sensing or weak light sensing; dividing the light intensity of the surrounding environment of the electric energy meter calibrating device into different levels; the power supply module provides voltage, current or other modules for normal operation of different modules; providing illumination by an illumination device;
(S2), evaluating the light sensing range, the adjusting range and the sensing efficiency of the light environment of the electric energy meter calibrating device through an illumination evaluation module; the evaluation method is an LSA algorithm model;
(S3), the illumination light is adjusted in a self-adaptive mode through the light self-adaptive adjusting module according to the environment around the electric energy meter calibrating device;
(S4), implementing lighting control by the control module;
(S5) converting the analog information into the digital signal through a data converter, and dynamically evaluating the verification data information and the illumination data information of the electric energy meter;
wherein the LSA algorithm model comprises the following steps:
step one, analyzing the environmental light distribution and the change rule under the regional station of a certain electric energy meter calibrating device through the input environmental light data variable to obtain an environmental light distribution and change model function as shown in a formula (1):
in the formula (1), the first and second groups,
an ambient light data function representing a workstation at a region of an electric energy meter verification device,
parameter information representing the change of the regional station ambient light of the electric energy meter calibrating device,
parameter information representing the light distribution of the regional work station environment of the electric energy meter calibrating device,
the number of light sources in the regional station environment of the electric energy meter calibrating device is shown,
the light change coefficient of the electric energy meter calibrating device area is shown,
representing the regional light change distribution coefficient of the electric energy meter calibrating device;
step two, calculating a photosensitive standard coverage range of the sensing device in the current environment, judging whether photosensitive range adjustment is needed according to the environment, and calculating a formula of the current actual photosensitive coverage range according to a distribution change model function to obtain the formula shown in formula (2):
in the formula (2), the first and second groups,
representing the maximum light perception coverage required in the current environment,
a variable representing the initialized ambient light data,
indicating the initialization of the ambient light distribution variable,
representing the light source data matrix with the light sensing device covered,
the number of light sources in the regional station environment of the electric energy meter calibrating device is shown,
the light change coefficient of the electric energy meter calibrating device area is shown,
the distribution coefficient of the light change of the electric energy meter calibrating device area is shown,
indicating a photosensitive cycle;
the method comprises the following steps that 2 different types of conditions exist in parameter information representing regional station environment light distribution of the electric energy meter calibrating device;
step two: according to the calculated function of the light sensation coverage surface under the current environment, the possible range formula of the lighting condition is obtained by supposing the lighting requirement in the range as shown in formula (3):
in the formula (3), the first and second groups,
a matrix of functions representing the lighting demand capability in a normal state,
represents the maximum light sensation coverage required in the current environment,
it is indicated that the light sensing period is,
representing the number of light sources in the environment;
step three: judging the illumination brightness, wherein if the normal algebraic matrix identified and calculated by the light sensing device is 1, the illumination brightness in the current environment is in accordance with the standard condition; if the algebraic matrix obtained by calculation is not 1, the lighting requirement in the environment is higher than the standard lighting instruction;
step four: the selected illumination brightness is summarized through the regional environmental illumination requirements of the electric energy meter calibrating device, and an illumination brightness requirement matrix under the illumination change generated in the current environment is calculated through a multiplier method and is shown in a formula (4):
in the formula (4), the first and second groups,
showing the change proportion of the regional ambient light of the electric energy meter calibrating device,
indicating the lighting requirements under normal amplitude variations of ambient light,
indicating the lighting requirement in the case of abnormal amplitude of ambient light variation,
indicating the light sensation covering surface under the condition that the change amplitude of the ambient light is normal,
the light sensation covering surface under the condition of abnormal change amplitude of the ambient light,
indicating the number of light sources in the environment,
representing the photosensitive cycle，
The number of the required light source electricity in the environment is represented;
step five:
the relation between the maximum illumination capability and the induction light source under the condition of the retaining wall is calculated and is shown as the formula (5):
in the formula (5), the first and second groups,
indicating the condition of the photosensitive position of the light source with the optimal distribution,
indicating the illumination capacity intensity under the condition of abnormal light source change amplitude in the same period,
represents a lighting hardware device information variable that,
which represents the rate at which the amplitude of the light source changes,
which is indicative of the proportion of the change in ambient light,
the photosensitive cycle is shown.
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