KR20190107632A - Storage media storing multi sensing method - Google Patents

Abstract

The present invention relates to multi-sensor technology, and more specifically, to storage media storing a multi-sensor recognition method using a recognition circuit. According to an embodiment of the present invention, it is possible to secure the flexibility of measurement elements related to various indoor environments, energy and safety, and at the same time, to perform smart optimal control of an improvement device.

Description

Recording medium recording method of multiple sensor recognition {STORAGE MEDIA STORING MULTI SENSING METHOD}

The present invention relates to multiple sensor technology, and more particularly, to a recording medium recording a multiple sensor recognition method using a recognition circuit.

In a situation where the seriousness of air pollution and the actual damages are increasing all over the world, various characteristics of indoor space and users are increasing the demand for customized service for environment, energy and safety.

Meanwhile, environmental monitoring products basically do not secure flexibility of measurable materials by fixing only some of environmental information such as temperature, humidity and air pollution information such as fine dust, CO2 and VOCs in advance. Therefore, it is necessary to improve the measurement functions and products to cope with various pollutants to be managed in the indoor air quality management law of indoor multi-use facilities, and considering that air measurement products have no big difference in function, products in various fields Differentiation in terms of applicability is necessary.

In addition, smart power devices that monitor and control power usage using the Internet of Things have been recently released. Smart power devices include power sensors that monitor power usage, and are being considered for services that combine with multiple other sensors to simultaneously monitor the environment, energy and safety.

Background of the present invention is published in Korean Patent Registration Publication No. 1128090.

The present invention provides a recording medium for recording a multi-sensor recognition method using a recognition circuit that can ensure the flexibility of the measurement elements associated with various indoor environments, energy and safety.

According to an aspect of the present invention, there is provided a recording medium recording a multi-sensor recognition method.

The recording medium recording the multi-sensor recognition method according to an embodiment of the present invention is the step of scanning the input pin of the PWM signal, determining whether there is a PWM signal, if there is a PWM signal, the duty ratio by using the PWM signal information Calculating, determining whether the PWM signal input pin scanning is completed, identifying the sensor module unit corresponding to the calculated duty ratio, generating a sensor identification value, and generating the sensor identification value when the PWM signal input pin scanning is completed. And generating sensor data using the sensor measured value.

According to an embodiment of the present invention, it is possible to secure the flexibility of the measurement elements related to various indoor environments, energy and safety, and at the same time, smart optimal control of related devices.

1 is a view for explaining a multi-sensor operating system using a recognition circuit according to an embodiment of the present invention.
2 is a view for explaining a multiple sensor using a recognition circuit according to an embodiment of the present invention.
3 and 4 are views for explaining a sensor module unit according to an embodiment of the present invention.
5 is a view for explaining an oscillation circuit unit according to an embodiment of the present invention.
6 is a view for explaining a sensor identification unit according to an embodiment of the present invention.
7 to 9 are views for explaining a multi-sensor recognition method using a recognition circuit according to an embodiment of the present invention.

As the inventive concept allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the present invention, when it is determined that the detailed description of the related known technology may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

Hereinafter, with reference to the drawings will be described embodiments of the present invention.

1 is a view for explaining a multi-sensor operating system using a recognition circuit according to an embodiment of the present invention.

Referring to FIG. 1, a multiple sensor operating system using a recognition circuit according to the present invention includes a multiple sensor 100, a sensor operating apparatus 200, and a mobile device 300.

The multi-sensor 100 measures at least two of an environment, energy, and safety management object in a predetermined space, and generates sensor data. The environmental, energy, and safety-related measurement targets include at least one of temperature, humidity, fine dust, carbon dioxide (CO ₂ ), carbon monoxide (CO), volatile organic compounds (VOCs), ozone, formaldehyde, noise, power used, and movement. Can be. The multi-sensor 100 includes a plurality of sensor modules for generating a plurality of sensor data, and includes a sensor data generation module for recognizing each sensor module. The multiple sensors 100 may include a communication module for transmitting the generated sensor data to the sensor operating apparatus 200 and the mobile device 300. Here, the communication module may be, for example, a wireless communication module such as Bluetooth or Wi-Fi, and the mobile device may be an input / output device for controlling monitoring and related devices using sensor data such as a smartphone, a tablet, a wearable device, and the like. The multiple sensors 100 may include, as an embedded system, a general-purpose firmware capable of providing an environment capable of recognizing and measuring various sensors of a predefined material to be managed. The multi-sensor 100 may include a sensor board that secures the flexibility of the measurable sensor component by designing a general-purpose protocol for connecting various sensors and providing a standardized communication and power scheme.

The sensor operating apparatus 200 receives and stores sensor data for a plurality of measurement targets generated from the multiple sensors 100. The sensor operating apparatus 200 measures based on real-time collection information transmitted from multiple sensors 100 having various sensor combinations by extending data collection, processing, and storage functions to provide a user with predefined measurement information. Judge a substance and analyze it. The sensor operating apparatus 200 may output the analysis result or report it to the mobile device 300. The sensor operating apparatus 200 may include a general-purpose middleware that processes a measurement device environment equipped with various sensors as a single platform and supports an environment capable of driving various applications on a single platform using the same.

 The mobile device 300 outputs sensor data for a plurality of measurement targets generated from the multiple sensors 100. The mobile device 300 may generate a control signal for turning on or off or controlling the operation of the multiple sensors 100 based on the output sensor data. In addition, the mobile device 300 may drive a control algorithm for controlling the associated improvement device based on the sensor data.

FIG. 2 is a diagram for describing multiple sensors using a recognition circuit according to an exemplary embodiment.

2, the multiple sensor 100 according to the present invention includes a sensor module unit 110, a sensor base unit 120, and a sensor data generator 130.

The sensor module 110 outputs a sensor measurement signal for measuring one of environmental, energy, and safety related measurement objects and a sensor identification signal for identifying the measurement object. The sensor module unit 110 will be described in more detail below with reference to FIGS. 3 to 5.

The sensor base unit 120 detaches the sensor module unit 110. The sensor base unit 120 may include a slot for attaching and detaching the sensor module unit 110.

When the sensor module unit 110 is attached to the sensor base unit 120, the sensor data generator 130 receives the PWM signal received from the sensor module unit 110 and calculates a duty ratio of the received PWM signal. By using the attached sensor module 110 to identify the measurement target.

In addition, the sensor data generation unit 130 receives sensor measurement signals from the sensor module unit 110 and generates sensor data for a measurement target identified. The sensor data generation unit 130 may transmit the generated sensor data to at least one of the sensor operating apparatus 200 and the mobile device 300 through wireless communication. The sensor data generator 130 will be described in more detail later with reference to FIG. 5.

3 and 4 are views for explaining a sensor module unit according to an embodiment of the present invention.

3 and 4, the sensor module unit 110 includes a sensor unit 112 and an oscillation circuit unit 114.

The sensor unit 112 generates one sensor measurement signal by measuring one of measurement objects related to environment, energy, and safety.

The oscillation circuit 114 continuously generates a pulse width modulation (PWM) signal, which is a sensor identification signal for identifying one of environmental, energy, and safety related measurement targets.

The sensor module unit 110 may configure 4 pins or 5 pins as input / output terminals. The sensor module unit 110 may include input / output pins for a power supply Vcc, a ground GND, a sensor identification signal, and a sensor measurement signal when the 4-pin input / output terminal is configured. In addition, the sensor module unit 110 may include an input / output terminal of 5 pins, and may include input / output pins for a power supply Vcc, a ground GND, a sensor identification signal, a first sensor measurement signal, and a second sensor measurement signal.

5 is a view for explaining an oscillation circuit unit according to an embodiment of the present invention.

Referring to FIG. 5, the oscillator circuit 114 may be configured as an integrated circuit (IC) including eight input / output pins, and the input voltage may be in the range of 4 to 15V, for example, 5V. The oscillation circuit unit 1140 may connect a pin 8 to a power supply, a pin 1 to GND, a reset pin 4 to a power supply, and a PWM signal may be output to a third pin. For example, the oscillation circuit 114 may be configured by modifying the ne555 circuit.

The oscillation circuit 114 continuously generates pulse width modulation (PWM) signals of the same cycle. The oscillator circuit 114 is configured to have different periods of the high signal and the low signal of the PWM signal according to the relative ratios of the first resistance value R1 and the second resistance value R2 to form the duty ratio of Equation 1 below. can do.

[Equation 1]

Duty Ratio = (R1 + R2) / (R1 + 2R2)

Here, R1 is a first resistance value R1 between pins 7 and 8 of the oscillator circuit portion, and R2 is a second resistance value R2 between pins 6 and 7 of the oscillator circuit portion.

6 is a view for explaining a sensor identification unit according to an embodiment of the present invention.

Referring to FIG. 6, the sensor data generation unit 130 includes a sensor identification unit 132, a sensor data configuration unit 134, a power supply unit 136, and a communication unit 138.

The sensor identification unit 132 generates a sensor identification value using a sensor identification signal received from the sensor module unit 110 attached to the sensor base unit 120. The sensor identification unit 132 receives a PWM signal received from the sensor module unit 110 attached to the sensor base unit 120, and calculates a duty ratio of the received PWM signal. The sensor identification unit 132 may calculate a duty ratio of the PWM signal received from Equation (2) below using a timer.

[Equation 2]

Duty Ratio = (T1) / (T1 + T2)

Here, T1 is the high section time width of the PWM signal, and T2 is the low section time width of the PWM signal.

The sensor identification unit 132 compares the calculated duty ratio of the PWM signal with the duty ratio range of each sensor stored in advance, and identifies the sensor to generate a sensor identification value.

The sensor data configuration unit 134 configures the sensor data using the sensor measurement signal received from the sensor module unit 110 attached to the sensor base unit 120 and the generated sensor identification value. The sensor data component 134 may include, for example, sensors during temperature, humidity, fine dust, carbon dioxide (CO ₂ ), carbon monoxide (CO), volatile organic compounds (VOCs), ozone, formaldehyde, noise, power used, and movement. If the identification value is for fine dust and the sensor measurement value corresponds to 0.02 ppm, sensor data corresponding to 0.02 ppm fine dust can be generated.

The power supply unit 134 supplies power required for the sensor module unit 110 and the sensor data generator 130 attached to the sensor base unit 120.

The communication unit 136 may transmit the generated sensor data to at least one of the sensor operating apparatus 200 and the mobile device 300 through wireless communication.

7 to 9 are views for explaining a multi-sensor recognition method using a recognition circuit according to an embodiment of the present invention.

Referring to FIG. 7, in the multi-sensor recognition method using the recognition circuit according to an embodiment of the present disclosure, the multi-sensor device receives a PWM signal in step S710.

In operation S720, the multi-sensor device calculates a duty ratio of the received PWM signal.

In operation S730, the multi-sensor device compares the calculated duty ratio with a pre-stored duty ratio range and identifies a sensor to generate a sensor identification value.

Referring to FIG. 8, in a multi-sensor recognition method using a recognition circuit according to another exemplary embodiment, the multi-sensor device scans an input pin of a PWM signal in step S810.

In operation S820, the multi-sensor device determines whether there is a PWM signal.

In operation S830, when there is a PWM signal, the multi-sensor device stores PWM signal information.

In operation S840, the multi-sensor device calculates and stores the duty ratio using the PWM signal information. The multi-sensor device may calculate the duty ratio of the PWM signal using Equation 2 described above.

Referring to FIG. 9, the duty ratio of the sensor module unit may be adjusted by adjusting resistance values of a circuit generating a PWM signal. For example, 48 to 53 for a temperature sensor, 56 to 62 for a fine dust sensor, and carbon dioxide May be 63 to 69 for carbon monoxide, 73 to 77 for carbon monoxide, 78 to 82 for volatile organic compounds and 83 to 86 for power consumption.

In operation S850, the multi-sensor device determines whether the PWM signal input pin scanning is completed.

In step S860, when the PWM signal input pin scanning is completed, the multi-sensor device identifies the sensor module unit corresponding to the calculated duty ratio and generates a sensor identification value.

In operation S870, the multi-sensor device reads and stores the sensor measurement value input from the identified sensor module unit.

In operation S880, the multi-sensor device determines whether all sensor measurement values of the mounted sensor module unit are read.

In operation S890, the multi-sensor device generates sensor data using the generated sensor identification value and sensor measurement value.

Embodiments of the present invention described above may be implemented through various means. For example, embodiments of the present invention may be implemented by hardware, firmware, software, or a combination thereof. In the case of a hardware implementation, a method according to embodiments of the present invention may include one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), processors, controllers, microcontrollers, microprocessors, and the like. In the case of an implementation by firmware or software, the method according to the embodiments of the present invention may be implemented in the form of a module, procedure, or function that performs the functions or operations described above. The computer program in which the software code or the like is recorded may be stored in a computer readable recording medium or a memory unit and driven by a processor. The memory unit may be located inside or outside the processor, and may exchange data with the processor by various known means. In addition, the combination of each block of the block diagram and each step of the flowchart attached to the present invention may be performed by computer program instructions. These computer program instructions may be embedded in an encoding processor of a general purpose computer, special purpose computer, or other programmable data processing equipment such that the instructions executed by the encoding processor of the computer or other programmable data processing equipment are not included in each block or block diagram. It will create means for performing the functions described in each step of the flowchart. These computer program instructions may also be stored in a computer usable or computer readable memory that can be directed to a computer or other programmable data processing equipment to implement functionality in a particular manner, and thus the computer usable or computer readable memory. It is also possible for the instructions stored in to produce an article of manufacture containing instruction means for performing the functions described in each block or flow chart step of the block diagram. Computer program instructions may also be mounted on a computer or other programmable data processing equipment, such that a series of operating steps may be performed on the computer or other programmable data processing equipment to create a computer-implemented process to create a computer or other programmable data. Instructions that perform processing equipment may also provide steps for performing the functions described in each block of the block diagram and in each step of the flowchart. In addition, each block or step may represent a portion of a module, segment or code that includes one or more executable instructions for executing a specified logical function. It should also be noted that in some alternative embodiments, the functions noted in the blocks or steps may occur out of order. For example, the two blocks or steps shown in succession may in fact be executed substantially concurrently or the blocks or steps may sometimes be performed in the reverse order, depending on the functionality involved.

As such, those skilled in the art will appreciate that the present invention can be implemented in other specific forms without changing the technical spirit or essential features thereof. Therefore, the embodiments described above are to be understood as illustrative and not restrictive in all aspects. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. .

Claims (3)

In the recording medium recording the multi-sensor recognition method performed in the multi-sensor device,
Scanning an input pin of a PWM signal;
Determining whether there is a PWM signal;
Calculating a duty ratio using the PWM signal information when there is a PWM signal;
Determining whether the PWM signal input pin scanning is completed;
When the PWM signal input pin scanning is completed, identifying a sensor module unit corresponding to the calculated duty ratio and generating a sensor identification value;
And recording sensor data using the generated sensor identification value and the sensor measurement value.
The method of claim 1,
Calculating the duty ratio of the received PWM signal
Recording medium recording a multi-sensor recognition method for calculating the duty ratio of the PWM signal using the following equation (2).
[Equation 2]
Duty Ratio = (T1) / (T1 + T2)
Here, T1 is the high section time width of the PWM signal, and T2 is the low section time width of the PWM signal.
The method of claim 2,
At least one of 48 to 53 for temperature sensor, 56 to 62 for fine dust sensor, 63 to 69 for carbon dioxide, 73 to 77 for carbon monoxide, 78 to 82 for volatile organic compounds and 83 to 86 for power consumption Recording medium recording a multi-sensor recognition method comprising a.

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