CN201804431U - Wireless testing system for field luminous environment - Google Patents

Abstract

A wireless testing system for field luminous environment comprises an illumination testing system including a group of illumination sensor probes, data cables, a wireless collector and a luminous environment data processing system, wherein the group of the illumination sensor probes are distributed and arranged in various directions of a support; all illumination sensor probes are connected with the interfaces of an MCU (Microprogrammed Control Unit) control plate of the wireless collector through a group of data cables; a data output interface of the MCU control plate is connected with a wireless sending module; the wireless sending module is connected with an antenna; and data information of the wireless collector is sent to the data processing system through wireless transmission. The illumination testing system of the utility model realizes wireless communication data acquisition, greatly improves measurement efficiency and measurement precision, can perform instant analysis on field data as well as quick and quantitative diagnosis and evaluation on field luminous environment, and can be extensively applied to field measuring and debugging work of the luminous environments of various indoor and outdoor locations.

Description

On-site light environment wireless test system

technical field

The utility model relates to an on-site detection device capable of realizing wireless collection and real-time data analysis.

Background technique

At present, with people's attention to the light environment and the need for high-definition broadcasting of sports events, the on-site inspection of the light environment is becoming more and more important. However, the current inspection tools lack flexibility and adaptability. The test data cannot be analyzed on-site, which makes the on-site guidance of the test results poor. In order to simplify the installation and operation steps of the instrument, improve the efficiency of on-site testing and the accuracy of the results, there is an urgent need for simple operation, high measurement accuracy, and accurate data output. Illumination detection system.

Utility model content

The purpose of the utility model is to provide a wireless test system for the on-site light environment, which solves the technical problem that the real-time quantitative evaluation of the light environment cannot be performed at present.

In order to achieve the above object, the utility model adopts the following technical scheme: a wireless test system for on-site light environment, including an illuminance test system composed of an illuminance sensor probe, a data line, a wireless collector and a light environment data processing system, the illuminance test system The illuminance sensor probes are a group, which are distributed in all directions of the support. Each illuminance sensor probe is connected to the MCU control board interface of a wireless collector through a set of data lines, and the data output interface of the MCU control board is connected to the wireless transmission The module is connected, the wireless sending module is connected with the antenna, and the data information of the wireless collector is sent to the light environment data processing system through wireless transmission. The light environment data processing system includes the following parts: a wireless receiver for receiving the data signal of the light environment wireless collector module, the output interface of the wireless receiving module is connected to the USB interface, and the output end of the USB interface is connected to the A/D conversion module for converting the received signal; the output interface of the A/D conversion module is connected to the input illuminance The input interface of the central processing unit for statistical analysis and data processing is connected to the data; a signal input and output interface of the above-mentioned central processing unit is connected to a storage module for storing the operating system, illuminance data analysis software, and collected illuminance measurement data; the above-mentioned central processing A signal output interface of the unit is connected to a display module for displaying analysis results such as illuminance in each direction, illuminance uniformity, and illuminance ratio of each test point.

The probes of the illuminance sensor are arranged in the horizontal direction of the support and four vertical directions of east, west, north and south.

The support is a cylindrical support or a radial frame support.

The MCU control board is an 8-bit AVR microprocessor.

Compared with the prior art, the utility model has the following characteristics and beneficial effects: the utility model can detect and analyze the horizontal illuminance and the vertical illuminance in four directions at the same time, and calculate the illuminance level and illuminance of the horizontal and vertical illuminance of the site in real time Uniformity, illuminance ratio and other data, combined with the existing domestic standards, to evaluate the on-site data in real time, which is conducive to on-site design adjustments. The utility model realizes wireless communication data collection, greatly improves the efficiency of measurement, and also improves It improves the accuracy of measurement, simplifies the working procedures of testers, improves work efficiency and the technical level of lighting on-site inspection.

The utility model can be widely used in on-site measurement and debugging work of various indoor and outdoor light environments.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of modules of the wireless collector of the present invention.

Fig. 3 is a block diagram of the data processing system of the present invention.

Reference signs: 1-antenna, 2-wireless collector, 3-support, 4-button, 5-illuminance sensor probe.

Detailed ways

Referring to Fig. 1, this on-site light environment wireless test system includes an illuminance test system composed of an illuminance sensor probe, a data cable, a wireless collector and a light environment data processing system, and the illuminance sensor probe 5 of the illuminance test system is a group, they are distributed on the level of the support 3 and four vertical directions in the southeast and northwest, respectively A, B, C, D, H through a group of data lines and a wireless collector 2 A, B, C, D, H 5 interfaces are connected one by one, and each illuminance sensor probe is an independent module. A single module realizes the signal processing of the photosensitive silicon photocell, and the acquisition can realize weak signal acquisition and large-scale signal acquisition. The first-stage current signal amplification adopts the automatic stable zero point chip AD8638, and the AD8638 has an extremely low bias current of 40pA and a very low bias voltage of 9uv. The amplification gain can be controlled by the program, which increases the range of the detection signal, and the gain is programmable. The feedback resistor is selected using the analog electronic switch MAX4634. The MAX4634 has an extremely low channel on-resistance (0.3Ω) and on-current (0.1nA ). The collected data information is sent to the light environment data processing system through the antenna 1 on the wireless collector.

Referring to Fig. 2, each illuminance sensor probe 5 is connected to the MCU control board interface of a wireless collector 2 through a set of data lines, and the battery power supplies power for the MCU control board. The input signal is transmitted to the MCU control board through button 4, and the data output interface of the MCU control board is connected to the LCD display module, and the collected data is output on the LCD screen. The LCD display is a graphic dot matrix LM1095R, which can control the backlight; LM1095R is a 192X128 graphic dotted Chinese/graphic display module, with a built-in RA8803 controller, which can realize text and graphic display, and realize double-layer composite display. The Chinese name of MCU (Micro Control Unit) is a micro control unit, also known as a single-chip microcomputer (Single Chip Microcomputer) or a single-chip microcomputer. Consumed 8-bit AVR microprocessor, 64K bytes of in-system programmable Flash, 2K bytes of EEPROM, 4K bytes of on-chip SRAM, can program the lock bit to realize the encryption of user programs, two with 16-bit timer/counter with prescaler, comparison function and capture function. The control board realizes channel signal data acquisition, and the channel output is an analog signal. Three AD7705s can be connected to input 6-channel analog signals. AD7705 is an SPI interface. Built-in calibration circuit, and has two channels, adopts SPI interface, the SPI interface is fast, and realizes the off-time switching of data acquisition of each channel. The interface with the LCD display is a parallel data line, and the data exchange speed with the LCD is fast. The wireless module is a UART interface, which can be regarded as a full-duplex communication mode, a certain wireless intelligent data control, the user communication protocol is a two-way response, and the data is exclusive and reliable. The MCU control board is connected with the wireless sending module, and the data information is sent to the light environment data processing system through wireless transmission. The wireless transceiver module here is suitable for short-distance wireless data transmission, low power consumption, high stability and reliability, and can provide two-way data signal transmission, detection and control, based on GFSK modulation method, using efficient communication protocol, in the channel When the bit error rate is 10-2, the actual bit error rate can be 10-5~10-6; the transparent data interface can adapt to any standard or non-standard user protocol, and automatically filter out the noise signal and false data generated in the air .

Referring to Fig. 3, the light environment data processing system includes the following parts: a wireless receiving module for receiving the data signal of the light environment wireless collector, the output interface of the wireless receiving module is connected with the USB interface, and the wireless receiving module is compatible in data transmission Good performance, the interface has a wireless UART interface designed for the USB interface, which can facilitate the user to connect with the computer. While the lower computer is collecting data, the data can be transmitted to the computer in real time by wireless, and some measurement parameters can be set through the computer, and there is computer software for data processing and analysis. The output end of the USB interface is connected to the A/D conversion module for converting the received signal; the output interface of the A/D conversion module is connected to the input of the central processing unit for statistical analysis and data processing of the input illuminance data Interface connection; a signal input and output interface of the above-mentioned central processing unit is connected to a storage module for storing the operating system, illuminance data analysis software, and collected illuminance measurement data; a signal output interface of the above-mentioned central processing unit is connected to display each test point The display module of analysis results such as illuminance in each direction, illuminance uniformity and illuminance ratio.

The utility model can analyze the illuminance, illuminance uniformity and illuminance ratio of the tested points in real time in the horizontal and four vertical directions, so that the design and testing personnel can understand the lighting quantity and quality of the site, so that the light environment of the site can be analyzed. Perform a quick diagnosis to identify issues and suggest adjustments. At the same time, the data analysis software can prompt the wrong data information with obvious differences in the test data through the judgment of the existing data, and can form related reports in the form of the final test report, thus simplifying the working procedures of testers and greatly improving Improve work efficiency and the technical level of lighting on-site inspection.

Claims (4)

1. on-the-spot luminous environment wireless test system, comprise by illuminance transducer and popping one's head in, data line, the illumination test macro that wireless collection device and luminous environment data handling system are formed, it is characterized in that: the illuminance transducer probe (5) of described illumination test macro is one group, they distribute and are arranged on all directions of bearing (3), each illuminance transducer probe (5) is connected with the MCU control panel interface of a wireless collection device (2) by one group of data line, the data output interface of MCU control panel is connected with wireless sending module, wireless sending module is connected with antenna (1), the data message of wireless collection device is sent to the luminous environment data handling system by wireless transmission, and the luminous environment data handling system comprises with the lower part:

A wireless receiving module that is used to receive luminous environment wireless collection device data-signal, the output interface of wireless receiving module is connected with USB interface, and the output terminal of USB interface connects and is used for signal that will receive and the A/D modular converter of changing; The output interface of A/D modular converter is connected with the input interface that is used for the illuminance data of input are carried out the CPU (central processing unit) of statistical study and data processing; A signal input output interface of above-mentioned CPU (central processing unit) connects the memory module of the illuminance measurement data that are used for storage operating system, collection; A signal output interface of above-mentioned CPU (central processing unit) connects the display module that all directions illumination, uniformity of illuminance and the illumination ratio etc. that are used to show each test point are analyzed the result.

2. on-the-spot luminous environment wireless test system according to claim 1 is characterized in that: described illuminance transducer probe (5) distributes and is arranged on four vertical direction of level and all directions of bearing (3).

3. on-the-spot luminous environment wireless test system according to claim 1 is characterized in that: described bearing (3) is cylindrical shape bearing or radiation frame shape bearing.

4. on-the-spot luminous environment wireless test system according to claim 1 is characterized in that: described MCU control panel is 8 AVR microprocessors.

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