KR20200089117A - Method and electronic device for controlling security sensor based on millimeter wave frequency band - Google Patents

Abstract

According to various embodiments of the present invention, a safety sensor for supporting signals in an ultra-high frequency band may comprise: a wireless communication unit for transmitting and receiving a wireless signal; a connection unit for connection with an automation device; and a processor operatively connected to the wireless communication unit and the connection unit. The processor receives data for setting at least one sensing area from an electronic device connected through the wireless communication unit, sets the at least one sensing area based on the received data, determines whether a worker approaches the set at least one sensing area using the signal of the ultra-high frequency band, and may transmit data related to a location of the worker to at least one of the electronic device and the automation device in response to the worker′s approach. Other embodiments are also possible.

Description

Method for controlling safety sensor based on ultra-high frequency band and electronic device that performs the same {METHOD AND ELECTRONIC DEVICE FOR CONTROLLING SECURITY SENSOR BASED ON MILLIMETER WAVE FREQUENCY BAND}

Various embodiments of the present invention relate to a method for controlling a safety sensor based on an ultra-high frequency (millimeter wave (mmWave) frequency) band, and an electronic device performing the same.

Due to the fourth industrial revolution, much of the manufacturing process is being automated. As the manufacturing process is automated, a number of robots are being introduced to work on behalf of humans. In order to flexibly control multiple robots, the necessity of a robotic system (eg, a robot system for a smart factory) is emerging to allow workers and robots to collaborate. The robot system for the smart factory is a system that can sense the worker's location in real time using a safety sensor and safely control the robot's operation in response to the worker's location. Due to the development of wireless communication technology, 5G communication systems (eg, next-generation mobile communication systems) may be commercialized. The robot system using the 5G communication system uses the ultra-high frequency (millimeter wave (mmWave) frequency) band (for example, 30~300 GHz band) to check the position of the object (for example, worker or object), and It can be a controlling system.

In general, the safety sensor may operate based on laser (eg, ultraviolet light) and visible light, and the operation principle and internal structure may be complicated, resulting in high production cost. Safety sensors based on lasers and visible light are large and costly to manufacture, which can be difficult to introduce into automated systems. As communication technology has developed, instead of laser and visible light based safety sensors, safety sensors based on ultra-high frequency bands can be used.

According to various embodiments, the safety sensor based on the ultra-high frequency band may be manufactured in a relatively small size than the safety sensor based on laser and visible light, and a relatively low manufacturing cost may occur.

A safety sensor supporting signals in an ultra-high frequency band according to various embodiments of the present invention includes: a wireless communication unit for transmitting and receiving a wireless signal, a connection unit for connecting with an automation device, and a wireless communication unit and operatively connected with the connection unit It may include a processor. The processor receives data for setting at least one detection area from an electronic device connected through the wireless communication unit, sets the at least one detection area based on the received data, and signals in the ultra-high frequency band It is possible to determine whether an operator has access to the set at least one detection area, and in response to the approach of the operator, data related to the position of the operator may be transmitted to at least one of the electronic device or the automation device. .

An electronic device according to various embodiments of the present disclosure may include a wireless communication unit for transmitting and receiving wireless signals, a processor operatively connected to the wireless communication unit, and a memory operatively connected to the processor. The memory, when executed, the processor connects to at least one safety sensor through the wireless communication unit, transmits data for setting at least one detection area to the at least one safety sensor, and the at least one Control the safety sensor to set the at least one detection area, determine whether the operator has access to the set at least one detection area by using an ultra-high frequency signal through the at least one safety sensor, and the operator In response to the approach, it is possible to receive data related to the location of the operator from the at least one safety sensor.

In a method of controlling a safety sensor according to various embodiments of the present invention, an electronic device connects to at least one safety sensor through a wireless communication unit, and the electronic device receives data for setting at least one detection area. Transmitted to a safety sensor, and the electronic device controls the at least one safety sensor to set the at least one detection area, and uses the signal of the ultra-high frequency band through the at least one safety sensor to set the at least one It is determined whether an operator has access to the detection area, and the at least one safety sensor responds to the operator's approach, and the data related to the position of the operator is selected from the electronic device or the automation device connected to the at least one safety sensor. Can transmit to at least one.

An electronic device according to various embodiments of the present disclosure may be functionally connected to a safety sensor using an ultra-high frequency band to at least partially control the safety sensor. The safety sensor based on the ultra-high frequency band may be implemented in a small IC form, and may function by interlocking safety sensors. The safety sensor based on the ultra-high frequency band may generate relatively less manufacturing cost than the safety sensor based on laser and visible light. Since the safety sensor based on the ultra-high frequency band can wirelessly detect the setting of the detection area and the approach of the operator, convenience may be improved over a sensor connected by a wire.

The electronic device according to various embodiments may wirelessly set at least one detection area that can be detected through at least one safety sensor. At least one safety sensor may be installed around the robot, and when an operator approaches within the set detection area using an ultra-high frequency band, the robot may be controlled to operate or stop at a low speed. Due to this, safety for the worker can be improved.

Radar in the ultra-high frequency band has strong straightness, so it can be used even in places with severe ambient noise or bad weather. In addition, various effects that can be directly or indirectly identified through this document may be provided.

1 is a block diagram of an electronic device in a network environment, according to various embodiments.
2 is a view illustrating a safety sensor detecting an approach of an operator according to various embodiments of the present disclosure.
3 is a convex view of an electronic device and a safety sensor according to various embodiments.
4 is a flowchart illustrating a method for controlling a safety sensor based on an ultra-high frequency band according to various embodiments.
5 is a diagram illustrating an operation process between an electronic device, a safety sensor, and an automation device according to various embodiments of the present disclosure.
6 is a diagram illustrating a frequency change according to an approach of an operator according to various embodiments of the present disclosure.
7 is a diagram illustrating a method of sensing an approach of an operator based on at least one detection area according to various embodiments.
8 is a diagram illustrating a user interface for setting a detection area and checking whether it is detected according to various embodiments.
9 is a diagram illustrating a method of sensing an approach of an operator by interlocking a plurality of safety sensors according to various embodiments of the present disclosure.

1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments. Referring to FIG. 1, in the network environment 100, the electronic device 101 communicates with the electronic device 102 through the first network 198 (eg, a short-range wireless communication network), or the second network 199. It may communicate with the external electronic device 104 or the server 108 through (eg, a remote wireless communication network). According to an embodiment, the electronic device 101 may communicate with the external electronic device 104 through the server 108. According to an embodiment, the electronic device 101 includes a processor 120, a memory 130, an input device 150, an audio output device 155, a display device 160, an audio module 170, a sensor module ( 176), interface 177, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196, or antenna module 197 ). In some embodiments, at least one of the components (for example, the display device 160 or the camera module 180) may be omitted or one or more other components may be added to the electronic device 101. In some embodiments, some of these components may be implemented in one integrated circuit. For example, the sensor module 176 (eg, a fingerprint sensor, an iris sensor, or an illuminance sensor) may be implemented while being embedded in the display device 160 (eg, a display).

The processor 120, for example, executes software (eg, the program 140) to execute at least one other component (eg, hardware or software component) of the electronic device 101 connected to the processor 120. It can be controlled and can perform various data processing or operations. According to one embodiment, as at least part of data processing or computation, the processor 120 may receive instructions or data received from other components (eg, the sensor module 176 or the communication module 190) in the volatile memory 132. Loaded into, process instructions or data stored in volatile memory 132, and store result data in non-volatile memory 134. According to one embodiment, the processor 120 includes a main processor 121 (eg, a central processing unit or an application processor), and an auxiliary processor 123 (eg, a graphics processing unit, an image signal processor) that can be operated independently or together. , Sensor hub processor, or communication processor). Additionally or alternatively, the coprocessor 123 may be set to use less power than the main processor 121, or to be specialized for a specified function. The coprocessor 123 may be implemented separately from the main processor 121 or as a part thereof.

The coprocessor 123 may replace, for example, the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 may be active (eg, execute an application) ) With the main processor 121 while in the state, at least one component of the components of the electronic device 101 (eg, the display device 160, the sensor module 176, or the communication module 190) It can control at least some of the functions or states associated with. According to one embodiment, the coprocessor 123 (eg, image signal processor or communication processor) may be implemented as part of other functionally relevant components (eg, camera module 180 or communication module 190). have.

The memory 130 may store various data used by at least one component of the electronic device 101 (eg, the processor 120 or the sensor module 176). The data may include, for example, software (eg, the program 140) and input data or output data for commands related thereto. The memory 130 may include a volatile memory 132 (eg, DRAM, SRAM, or SDRAM) or a non-volatile memory 134.

The program 140 may be stored as software in the memory 130, and may include, for example, an operating system 142, middleware 144, or an application 146.

The input device 150 may receive commands or data to be used for components (eg, the processor 120) of the electronic device 101 from outside (eg, a user) of the electronic device 101. The input device 150 may include, for example, a microphone, mouse, keyboard, or digital pen (eg, a stylus pen).

The audio output device 155 may output an audio signal to the outside of the electronic device 101. The audio output device 155 may include, for example, a speaker or a receiver. The speaker can be used for general purposes such as multimedia playback or recording playback, and the receiver can be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from, or as part of, the speaker.

The display device 160 may visually provide information to the outside of the electronic device 101 (eg, a user). The display device 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the device. According to an embodiment, the display device 160 may include a touch circuitry configured to sense a touch, or a sensor circuit (eg, a pressure sensor) configured to measure the strength of the force generated by the touch. have.

The audio module 170 may convert sound into an electrical signal, or vice versa. According to an embodiment, the audio module 170 acquires sound through the input device 150 or directly or wirelessly connects to the sound output device 155 or the electronic device 101 (eg, an external electronic device) : Electronic device 102)) (for example, a speaker or headphones).

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the detected state can do. According to one embodiment, the sensor module 176 includes, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an infrared (IR) sensor, a biological sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.

The interface 177 may support one or more designated protocols that can be used for the electronic device 101 to directly or wirelessly connect to an external electronic device (eg, the electronic device 102). According to an embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ). According to an embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 may convert electrical signals into mechanical stimuli (eg, vibration or movement) or electrical stimuli that the user can perceive through tactile or motor sensations. According to one embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 may capture still images and videos. According to an embodiment, the camera module 180 may include one or more lenses, an image sensor, an image signal processor, or flashes.

The power management module 188 may manage power supplied to the electronic device 101. According to one embodiment, the power management module 188 may be implemented, for example, as at least part of a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101. According to one embodiment, the battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the external electronic device 104, or the server 108). Can support establishment and communication performance through established communication channels. The communication module 190 operates independently of the processor 120 (eg, an application processor) and may include one or more communication processors supporting direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 190 may include a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg : Local area network (LAN) communication module, or power line communication module. Corresponding communication module among these communication modules may be used to use a first network 198 (eg, a short-range communication network such as Bluetooth, WiFi direct, or infrared data association (IrDA)) or a second network 199 (eg, a cellular network, the Internet). Or, it may communicate with the external electronic device 104 through a computer network (eg, a telecommunication network such as LAN or WAN). These various types of communication modules may be integrated into a single component (eg, a single chip), or may be implemented as a plurality of separate components (eg, multiple chips). The wireless communication module 192 uses a subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199. The electronic device 101 can be verified and authenticated. According to an embodiment, the external electronic device 104 may include a safety sensor, and the electronic device 101 may be wired or wirelessly connected to the safety sensor. According to an embodiment, the electronic device 101 may set at least one detection area for the safety sensor, and may partially control the safety sensor based on the at least one detection area. For example, the safety sensor may detect the approach of the operator based on the at least one detection area.

The antenna module 197 may transmit a signal or power to the outside (eg, an external electronic device) or receive a signal or power from the outside. The antenna module 197 may include a single antenna including a conductor formed on a sub-straight (eg, PCB) or a radiator made of a conductive pattern. According to an embodiment, the antenna module 197 may include a plurality of antennas. In this case, at least one antenna suitable for a communication method used in a communication network, such as the first network 198 or the second network 199, is transmitted from the plurality of antennas by, for example, the communication module 190. Can be selected. The signal or power may be transmitted or received between the communication module 190 and an external electronic device through the at least one selected antenna. According to some embodiments, other components (eg, RFIC) other than the radiator may be additionally formed as part of the antenna module 197.

At least some of the components are connected to each other through a communication method between peripheral devices (for example, a bus, a general purpose input and output (GPIO), a serial peripheral interface (SPI), or a mobile industry processor interface (MIPI)). Ex: command or data) can be exchanged with each other.

According to an embodiment, the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199. Each of the external electronic devices 102 and 104 may be the same or a different type of device from the electronic device 101. According to an embodiment, all or some of the operations executed in the electronic device 101 may be performed in one or more external electronic devices of the external electronic devices 102, 104, or 108. For example, when the electronic device 101 needs to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 101 instead executes the function or service itself. In addition or in addition, one or more external electronic devices may be requested to perform at least a portion of the function or the service. The one or more external electronic devices receiving the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and deliver the result of the execution to the electronic device 101. The electronic device 101 may process the result, as it is or additionally, and provide it as at least part of a response to the request. To this end, cloud computing, distributed computing, or client-server computing technology can be used, for example.

The electronic device according to various embodiments disclosed in the present document may be various types of devices. The electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device. The electronic device according to the embodiment of the present document is not limited to the above-described devices.

It should be understood that various embodiments of the document and terms used therein are not intended to limit the technical features described in this document to specific embodiments, and include various modifications, equivalents, or substitutes of the embodiment. In connection with the description of the drawings, similar reference numerals may be used for similar or related components. The singular form of a noun corresponding to an item may include one or more of the items, unless the context clearly indicates otherwise. In this document, “A or B”, “at least one of A and B”, “at least one of A or B,” “A, B or C”, “at least one of A, B and C”, and/or Each of the phrases such as “at least one of A, B, or C” may include any of the items listed together in the corresponding phrase of the phrases, or any possible combination thereof. Terms such as “first”, “second”, or “first” or “second” can be used to simply distinguish a component from other components, and to separate components from other aspects (eg, importance or Order). Any (eg, first) component is “coupled” or “connected” to another (eg, second) component, with or without the term “functionally” or “communicatively” When mentioned, it means that any of the above components can be connected directly to the other component (eg, by wire), wirelessly, or through a third component.

As used herein, the term "module" may include units implemented in hardware, software, or firmware, and may be used interchangeably with terms such as, for example, logic, logic blocks, components, or circuits. The module may be an integrally configured component or a minimum unit of the component or a part thereof performing one or more functions. For example, according to an embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of the present disclosure may include one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101). It may be implemented as software (e.g., program 140) that includes. For example, a processor (eg, processor 120) of a device (eg, electronic device 101) may call and execute at least one of one or more commands stored from a storage medium. This enables the device to be operated to perform at least one function according to the at least one command called. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The storage medium readable by the device may be provided in the form of a non-transitory storage medium. Here,'non-transitory' only means that the storage medium is a tangible device, and does not contain a signal (eg, electromagnetic waves), and this term is used when data is stored semi-permanently. It does not distinguish between temporary storage cases.

According to an embodiment, a method according to various embodiments disclosed in this document may be provided as being included in a computer program product. Computer program products can be traded between sellers and buyers as products. The computer program product is distributed in the form of a device-readable storage medium (eg compact disc read only memory (CD-ROM)), or through an application store (eg Play StoreTM) or two user devices ( For example, it can be distributed directly (e.g., downloaded or uploaded) between smartphones). In the case of online distribution, at least a portion of the computer program product may be stored at least temporarily on a storage medium readable by a device such as a memory of a manufacturer's server, an application store's server, or a relay server, or may be temporarily generated.

According to various embodiments, each component (eg, module or program) of the above-described components may include a singular or a plurality of entities. According to various embodiments, one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg, modules or programs) may be integrated into one component. In this case, the integrated component may perform one or more functions of each component of the plurality of components the same or similar to that performed by the corresponding component among the plurality of components prior to the integration. . According to various embodiments, operations performed by a module, program, or other component may be executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations may be executed in a different order, or omitted Or, one or more other actions can be added.

2 is a view illustrating a safety sensor detecting an approach of an operator according to various embodiments of the present disclosure.

Referring to FIG. 2, the automation device 210 (for example, a robot or a robot device) may be connected to the safety sensor 211 by wire or wirelessly, and under the control of the safety sensor 211, at least partially function control Can be. The safety sensor 211 may detect an operator 220 approaching the periphery of the automation device 210. According to an embodiment, the safety sensor 211 detects whether an operator enters the detection area based on a preset detection area (for example, an area included in a radius a around the safety sensor 211). Can. When an operator enters the detection area, the safety sensor 211 may control at least a part of the function of the automation device 210.

The safety sensor 211 in general use may be divided into a safety sensor using a laser (for example, ultraviolet light) and a safety sensor using visible light. For example, a safety sensor using a laser may include a light curtain type safety sensor and a lidar safety sensor, and a safety sensor using visible light may include a camera type safety sensor. have.

The light curtain type safety sensor may be composed of a light emitting device and a light receiving device, and may sense an operator's approach by using a signal transmitted from the light emitting device and a signal received through the light receiving device. In the light curtain type safety sensor, an installation range may be determined in proportion to the size of an object to be detected, and the larger the object, the higher the installation cost. The lidar safety sensor can generate and fire a laser pulse and receive a reflected laser pulse reflected and returned by an object located nearby. The lidar safety sensor is a first measuring device for measuring the time when the laser pulse is reflected and returns, and a first measuring device for accurately measuring the position of the rotating body for firing the laser pulse in the front/back/left/right direction. It can be composed of 2 measuring devices, and it may incur a high production cost.

The camera-type safety sensor can acquire an image using visible light. The camera-type safety sensor may be vulnerable to external vibration during the time of acquiring the image, or may be sensitive to environmental changes such as external lighting. The camera-type safety sensor may require an expensive device to perform image processing on the acquired image.

The safety sensor 211 in general use may have a high production cost for a component (device), and the installation range of the safety sensor 211 is proportional to the size of an object (eg, an object) to be detected. Increases, and additional costs may occur.

According to various embodiments, the safety sensor based on the ultra-high frequency band may be implemented as a small IC transceiver, and at least one detection area may be freely set. According to one embodiment, the safety sensor based on the ultra-high frequency band may operate in conjunction with other safety sensors, and at least partially control an automation device connected by wire or wirelessly. For example, the safety sensor based on the ultra-high frequency band may stop the function of the connected automation device or operate slowly when an operator is detected within a preset detection area.

3 is a convex view of an electronic device and a safety sensor according to various embodiments.

Referring to FIG. 3, the electronic device 310 (eg, the electronic device 101 of FIG. 1) includes a processor (eg, the processor 120 of FIG. 1 ), a wireless communication unit 313 (eg, communication of FIG. 1) The module 190 may include a memory 315 (eg, the memory 130 of FIG. 1 ), and a display 317 (eg, the display device 160 of FIG. 1 ).

The processor 311 may at least partially control at least one component constituting the electronic device 310 to perform the overall operation of the electronic device 310. For example, as an instruction stored in the memory 315 is performed, the processor 311 may control at least one hardware to perform an operation corresponding to the instruction. The processor 311 may be functionally connected to the safety sensor 350 (eg, another electronic device) through the wireless communication unit 313. For example, the processor 311 may be connected to the safety sensor 350 using universal wireless communication, and may transmit and receive signals through the wireless communication unit 313. According to an embodiment, the electronic device 310 may at least partially control the at least one safety sensor 350. The processor 311 may display a user interface showing a connection state with the at least one safety sensor 350 through the display 317.

Referring to FIG. 3, the safety sensor 350 (eg, the electronic devices 102 and 104 of FIG. 1) may include a processor 351, a wireless communication unit 355, and a connection unit 357. The safety sensor 350 may include a transceiver that transmits and receives a signal 330 based on an ultra-high frequency band. The processor 351 of the safety sensor 350 may be wirelessly connected to the electronic device 310, and may be controlled at least partially by the electronic device 310. According to an embodiment, the processor 351 of the safety sensor 350 may receive data related to the setting of the detection area from the electronic device 310 and set at least one detection area based on the received data Can. The processor 351 of the safety sensor 350 may include a comparison operation unit 352 for setting the at least one detection area and a detection signal output unit 353 for detecting an approach of an operator. For example, the comparison operator 352 may calculate a distance and a direction corresponding to the at least one sensing region, and compare/analyze the at least one sensing region. The detection signal output unit 353 may detect the approach of an operator based on the at least one set detection area, and may output a detection signal in response to the detection. The processor 351 of the safety sensor 350 may transmit the detection signal to the electronic device 310 in response to the detection signal. According to an embodiment, the processor 351 of the safety sensor 350 uses the signal based on the ultra-high frequency band to set the at least one detection area, or detects the operator's access to the at least one detection area can do. The safety sensor 350 may be functionally connected to the automation device 370 (for example, a robot or a robot device) through the connection part 357, and may control the automation device 370 at least partially. For example, the safety sensor 350 may stop the function of the automation device 370 or control the function of the automation device 370 to operate slowly. According to one embodiment, the safety sensor 350 may be connected to the automation device 370 by wire, but is not limited thereto.

According to various embodiments, the electronic device 310 may be electrically or functionally connected to the safety sensor 350 through the wireless communication unit 313. The electronic device 310 may at least partially control the safety sensor 350. The safety sensor 350 may use the multi-channel antenna 356 of the wireless communication unit 355 to transmit and receive a signal 330 in an ultra-high frequency (mmWave frequency) band. According to an embodiment, the electronic device 310 may transmit data for setting at least one detection area to the safety sensor 350, and the safety sensor 350 may include at least one detection area based on the data. You can set According to an embodiment, the safety sensor 350 may detect whether an operator is close to the set at least one detection area based on the signal 330 of the ultra-high frequency band. According to an embodiment, the safety sensor 350 may transmit a variable frequency of the signal 330 in an ultra-high frequency band and receive a signal reflected by the operator. The processor 351 of the safety sensor 350 may measure a frequency difference between a signal transmitted and the reflected signal by varying the frequency through a comparison operation unit 352, and a distance corresponding to the measured frequency difference Can be calculated. When the processor 351 of the safety sensor 350 detects the proximity of the operator based on the at least one detection area, the detection signal output unit 353 may generate a detection signal, and the generated detection A signal may be transmitted to the electronic device 310. According to one embodiment, the safety sensor 350 detects the proximity of the operator, and may control at least partially the automation device 370 connected through the connection unit 357 in response to the distance from the operator. According to an embodiment, the safety sensor 350 may transmit data related to the proximity of an operator to the electronic device 310, and the electronic device 310 may display a user interface on the display 317 through the display. Can be displayed.

The safety sensor 350 supporting signals in the ultra-high frequency band according to various embodiments of the present invention includes a wireless communication unit 355 for transmitting and receiving wireless signals, a connection unit 357 for connecting with the automation device 370, and the wireless A communication unit 355 and a processor 351 operatively connected to the connection unit 357 may be included. The processor 351 receives data for setting at least one detection area from the electronic device 310 connected through the wireless communication unit 355, and sets the at least one detection area based on the received data And, using the signal of the ultra-high frequency band to determine whether the operator 360 access to the set at least one detection area, and in response to the approach of the operator 360, the location of the workplace 360 and Related data may be transmitted to at least one of the electronic device 310 or the automation device 370.

According to an embodiment, the processor 351 transmits and receives data to and from the automation device 370 connected through the connection unit 357, and in response to the connection with the electronic device 310, the wireless communication unit 355. Through this, data can be transmitted and received with the electronic device 310 in a set time interval or in real time.

According to an embodiment, the processor 351 may determine whether the operator 360 is approached based on a frequency difference value of a signal in the ultra-high frequency band or a difference value between a transmission time and a reception time. .

According to an embodiment, the signal of the ultra-high frequency band may be transmitted with a variable frequency to detect the position of the operator 360.

According to an embodiment, when the processor 351 sets the first detection area and the second detection area, and detects the approach of the operator 360 in response to the first detection area, the processor 351 accesses the first detection area. The corresponding first data may be transmitted to the automation device 370, and the automation device 370 may be controlled to slow down the operation speed of the automation device 370.

According to an embodiment, when the processor 351 detects an approach of the operator 360 in response to the second detection area, the second data corresponding to the second detection area is sent to the automation device 370. The automation device 370 may be controlled to transmit and stop the operation of the automation device 370.

According to one embodiment, the processor 351 is interlocked with at least one other safety sensor through the wireless communication unit 355, and receives data related to the position of the worker 360 from the at least one other safety sensor can do.

The electronic device 310 according to various embodiments of the present invention operates with a wireless communication unit 313 for transmitting and receiving wireless signals, a processor 311 operatively connected to the wireless communication unit 313 and the processor 311 It may include a memory 315 that is connected to the enemy. The memory 315, when executed, the processor 311 connects to at least one safety sensor 350 through the wireless communication unit 313, and the data for setting at least one detection area is the at least. It transmits to one safety sensor 350, controls the at least one safety sensor 350 to set the at least one detection area, and transmits a signal in the ultra-high frequency band through the at least one safety sensor 350 It is determined whether or not the operator 360 approaches the at least one set detection area, and in response to the approach of the operator 360, the data related to the position of the operator 360 is detected by the at least one safety sensor. Instructions received from 360 may be stored.

According to an embodiment, the processor 311 may respond to the connection with the at least one safety sensor 350 through the wireless communication unit 313, the at least one safety sensor 350 in a set time interval or in real time. And send and receive data.

The electronic device 310 according to an embodiment further includes a display 317 for displaying a user interface, and confirms the location of the operator 360 based on data related to the location of the operator 360 and , It is possible to display the location of the identified operator 360 based on the user interface.

According to one embodiment, the processor 311 divides the at least one detection area into a first detection area and a second detection area, and based on data related to the location of the operator 360, the operator 360 It is possible to output a notification signal corresponding to the location.

According to one embodiment, the processor 311 may at least partially control the automation device 370 connected to the at least one safety sensor 350.

According to an embodiment, the processor 311 transmits data for setting the at least one detection area in response to the at least one safety sensor 350, and transmits data to the at least one safety sensor 350, respectively. Each corresponding data can be received.

4 is a flowchart illustrating a method for controlling a safety sensor based on an ultra-high frequency band according to various embodiments.

Referring to FIG. 4, in operation 401, a processor of the electronic device (eg, the electronic device 310 of FIG. 3) (eg, the processor 311 of FIG. 3) includes at least one safety sensor (eg, safety of FIG. 3) The sensor 350 may be wirelessly connected. For example, the electronic device 310 and the at least one safety sensor 350 may be wirelessly connected based on a wireless communication that is universally used. According to an embodiment, the electronic device 310 may transmit and receive data in real time or in a set time interval with the safety sensor 350 in response to the connection with the safety sensor 350. According to an embodiment, the at least one safety sensor 350 may be connected to an automation device (eg, the automation device 370 of FIG. 3 ), and may always transmit and receive data to and from the automation device 370.

In operation 403, the electronic device 310 may wirelessly transmit data for setting at least one detection area (eg, a protection area, an alarm area, or an inactive area) to the safety sensor 350. According to an embodiment, the electronic device 310 may transmit setting data for setting at least one detection area to the safety sensor 350, centering on the safety sensor 350. The safety sensor 350 may set at least one detection area based on the setting data transmitted from the electronic device 310. According to an embodiment, since the safety sensor 350 supports signals in an ultra-high frequency band, it is possible to accurately set at least one detection area.

In operation 405, the safety sensor 350 may detect an operator's approach to the at least one detection area, which is set using an ultra-high frequency signal. Since the signal in the ultra-high frequency band has strong linearity, it is not significantly affected by the surrounding communication conditions and can transmit and receive data. According to an embodiment, the safety sensor 350 may generate and fire a signal in an ultra-high frequency band in a set time interval or in real time. According to an embodiment, the safety sensor 350 is a device supporting an ultra-high frequency band, and may be implemented in a small IC form. The safety sensor 350 may be configured based on at least one PCB internally, and may be implemented in a relatively small size compared to other types of safety sensors (eg, an ultraviolet method or a visible light method).

According to various embodiments, the safety sensor 350 is a mmWave transceiver for transmitting and receiving signals in an ultra-high frequency band (for example, a wireless communication unit 355 of the safety sensor 350 in FIG. 3), a specific object within a set sensing area ( Example: a comparison calculation unit (eg, the comparison calculation unit 352 of FIG. 3) for determining whether a worker or an object is located, and a detection signal output unit (eg, for outputting a detection signal in response to the detection of the operator) The detection signal output unit 353 of FIG. 3 may be included. According to an embodiment, the safety sensor 350 may generate and fire a signal having an ultra-high frequency band of about 20 GHz or more through the mmWave transceiver, and amplify the signal reflected by the operator. According to an embodiment, the safety sensor 350 may detect the position of the worker based on the signal reflected from the worker through the comparison operation unit 352, and determine whether the worker is located within the set detection area. I can judge. According to one embodiment, when the operator is located within the set detection area, the safety sensor 350 generates a redundancy output signal based on an industry standard specification through the detection signal output unit 353, and the safety sensor 350 A detection signal may be output together with at least one safety sensor interlocked with. According to an embodiment, the safety sensor 350 may distinguish between a first detection area (eg, an alarm area) and a second detection area (eg, a protection area), and determine in which area the operator is located Can.

In operation 407, when the safety sensor 350 detects that an operator is located in at least one detection area, through the connection unit (for example, the connection unit 357 of FIG. 3), the operation of the connected automation device may be controlled at least partially. have. For example, the safety sensor 350 may control some functions of the automation device to operate slowly or to stop. The safety sensor 350 may transmit an electrical signal that satisfies SIL2 of ISO 61508 or PLd of ISO 13849-1 corresponding to the safety standard to the automation sensor through the connection part 357. According to an embodiment, the safety sensor 350 may control the automation device to operate slowly when the operator is located in the first detection area, and control the automation device to stop when the operator is located in the second detection area can do. For example, the first detection area may correspond to an area that is more than a certain distance from the automation device, and the operation of the automation device may be performed slowly to ensure user safety. The second detection area corresponds to an area that is very close to the automation device, and controls the operation of the automation device to stop, thereby ensuring user safety. According to an embodiment, the safety sensor 350 may control the automation device differently in response to a detection position for the operator.

5 is a diagram illustrating an operation process between an electronic device, a safety sensor, and an automation device according to various embodiments of the present disclosure.

Referring to FIG. 5, the electronic device 510 (eg, the electronic device 310 of FIG. 3) may be functionally connected to the safety sensor 520 (eg, the safety sensor 350 of FIG. 3 ), and the safety sensor The 520 may be functionally connected to the automation device 530 (eg, the automation device 370 of FIG. 3 ).

In operation 511, the electronic device 510 may be wirelessly connected to the safety sensor 520. In operation 513, the safety sensor 520 may be connected to the automation device 530 by wire. The connection between the electronic device 510, the safety sensor 520, and the automation device 530 is not limited to at least one of wireless or wired.

In operation 515, the electronic device 510 may transmit setting data for setting at least one detection area (eg, an alarm area, a protection area, or an inactive area) to the safety sensor 520. In operation 517, the safety sensor 520 may set at least one detection area based on the setting data transmitted from the electronic device 510. The safety sensor 520 sets the at least one detection area based on the signal in the ultra-high frequency band, so that the detection area can be accurately identified.

In operation 519, the safety sensor 520 may detect whether an operator approaches the at least one detection area by using a signal in an ultra-high frequency band. According to one embodiment, the safety sensor 520 is based on the first detection area (eg, the alarm area), the second detection area (eg, the protection area), and the third detection area (eg, the deactivation area), the operator It can detect whether it is located in which area.

In operation 521 and operation 523, the safety sensor 520 may transmit data related to the operator's detection to the electronic device 510 or the automation device 530 in response to the operator's detection. In operation 525, the automation device 530 may control operations for at least some functions based on the data transmitted from the safety sensor 520. In operation 527, the electronic device 510 may display a user interface on the basis of the data transmitted from the safety sensor 520 and a user interface showing a location of at least one detection area and an operator through a display. According to an embodiment, the electronic device 510 may provide a user with an operator's proximity to the automation device in real time.

6 is a diagram illustrating a frequency change according to an approach of an operator according to various embodiments of the present disclosure.

Referring to FIG. 6, <a> is a graph 610 illustrating a process of transmitting a signal in an ultra-high frequency band in order to detect whether an operator approaches the safety sensor (for example, the safety sensor 350 in FIG. 3). , <b> is a graph 620 illustrating a process in which the transmitted ultra-high frequency signal is reflected and received by the operator. <c> is a graph showing a frequency difference and a delayed time difference 621 between a transmitted signal and a received signal. According to an embodiment, the safety sensor 350 may transmit a signal in an ultra-high frequency band by varying the frequency, and receive a signal in an ultra-high frequency band reflected by an operator. According to an embodiment, the safety sensor 350 may detect a position of an operator based on a difference in frequency and delayed time between a transmitted signal and a received signal.

7 is a diagram illustrating a method of sensing an approach of an operator based on at least one detection area according to various embodiments.

Referring to FIG. 7, the safety sensor 700 (eg, the safety sensor 350 of FIG. 3) includes a first detection area 710 (eg, an alarm area) and a second detection area 720 (eg, a protection area) ) Can be set, and whether the worker 711 is approaching can be detected.

<a> is an embodiment in which the operator 711 is located in the first sensing area 710, and <b> is an embodiment in which the worker 711 is located in the second sensing area 720. It is a sensed embodiment.

For example, the first detection area 710 is an alarm area, and may be an area that is separated by a predetermined distance from a working area of the automation device connected to the safety sensor 700. Referring to <a>, when the safety sensor 700 detects that the operator is located in the first detection area 710, the operation speed of the automation device may be controlled slowly. The safety sensor 700 may check the position of the operator with respect to the first detection area 710 and transmit the first output signal to the electronic device (eg, the electronic device 310 of FIG. 3 ). The electronic device 310 may receive a first output signal from the safety sensor 700 and provide a notification corresponding to the first output signal to the user. For example, the electronic device 310 displays a position of an operator through a display (for example, the display 317 of FIG. 3) or outputs an audio signal to provide a notification corresponding to the first output signal to the user can do. The electronic device 310 may display a user interface in which a worker's location is displayed based on the first output signal.

For example, the second detection area 720 is a protection area, and may be an area adjacent to the working area of the automation device connected to the safety sensor 700. The second sensing area 720 may be an area in which safety of an operator is not guaranteed, which may directly contact the automation device. Referring to <b>, when the safety sensor 700 detects that the operator is located in the second detection area 720, the safety sensor 700 may control to stop the operation of the automation device. The safety sensor 700 may check the position of the operator with respect to the second detection area 720 and transmit a second output signal to the electronic device (eg, the electronic device 310 of FIG. 3 ). The electronic device 310 may receive a second output signal from the safety sensor 700 and provide a notification corresponding to the second output signal to the user. For example, the electronic device 310 displays a position of an operator through a display (for example, the display 317 of FIG. 3) or outputs an audio signal to provide a notification corresponding to the second output signal to the user can do. The electronic device 310 may display a user interface in which a worker's location is displayed based on the second output signal. According to an embodiment, the electronic device 310 may provide a notification differently so as to distinguish between <a> and <b>.

8 is a diagram illustrating a user interface for setting a detection area and checking whether it is detected according to various embodiments.

Referring to FIG. 8, a display of an electronic device 801 (eg, the electronic device 310 of FIG. 3) (eg, the display 317 of FIG. 3) is illustrated. The electronic device 801 controls the safety sensor 810 to at least one detection area (eg, a first detection area 813 (alarm area), a second detection area 811 (protection area), or a third A sensing area 815 (inactive area) may be set, and a user interface in which the at least one sensing area is shown may be displayed on a display.In one embodiment, the safety sensor 810 may detect the at least one sensing area. At least one of the electronic device 801 and the automation device (for example, the automation device 370 of FIG. 3) can detect the position of the worker based on the area, and perform data related to the position of the worker in real time or at a set time interval. The electronic device 801 may receive data related to the location of the worker from the safety sensor 810 and may display the current location of the worker through a user interface. According to an example, the safety sensor 810 can detect or confirm the position of an operator more accurately by using a signal in an ultra-high frequency band.

9 is a diagram illustrating a method of sensing an approach of an operator by interlocking a plurality of safety sensors according to various embodiments of the present disclosure.

Referring to FIG. 9, the electronic device 901 may be electrically or functionally connected to at least one safety sensor 903 using a signal in an ultra-high frequency band, and may be connected to the at least one safety sensor 903. The detection signal can be received. At least one safety sensor 903 may be interlocked with other safety sensors of the same model, and may expand the detection area based on the position design of the multi-channel antenna. According to various embodiments, at least one safety sensor interlocks with each other to sense the position of the operator, thereby maximizing the efficiency of the automation device and improving safety for the worker. At least one safety sensor 903 may be connected to at least one automation device, and may control the at least one automation device. A plurality of safety sensors 903 may be connected to at least one automation device, and safety for an operator may be improved by detecting an approach of an operator based on the plurality of safety sensors 903.

According to various embodiments, the electronic device 901 may control at least one safety sensor connected to a dangerous automation device in a work site. The at least one safety sensor may set at least one detection area, and may detect whether an operator is approaching based on the at least one detection area. According to one embodiment, the safety sensor may improve the safety for the operator by adjusting the operation of the automation device at a low speed or stopping the operation of the automation device in response to the approach of the operator.

According to various embodiments of the present disclosure, the electronic device may control a safety sensor wirelessly by using a signal of an ultra-high frequency band, and safety of an operator may be improved. Safety sensors that support signals in the ultra-high frequency band can be manufactured in a compact IC form, and can be manufactured at a lower cost than safety sensors that support other methods (for example, infrared or visible light). The safety sensor that supports signals in the ultra-high frequency band has a strong straight-line characteristic according to the high frequency band, so it can accurately detect the operator's access regardless of external environmental changes (eg, bad weather or a noisy environment).

In a method of controlling a safety sensor according to various embodiments of the present disclosure, an electronic device (for example, the electronic device 310 of FIG. 3) may use at least one safety through a wireless communication unit (for example, the wireless communication unit 313 of FIG. 3 ). Connected to a sensor (for example, the safety sensor 350 of FIG. 3 ), the electronic device 310 transmits data for setting at least one detection area to the at least one safety sensor 350, and the electronic The device 310 controls the at least one safety sensor 350 to set the at least one detection area, and sets the at least one using a signal of an ultra-high frequency band through the at least one safety sensor 350 It is determined whether the operator 360 approaches the sensing area of the user, and the at least one safety sensor 350 responds to the approach of the operator 360 to transmit data related to the position of the operator 360 to the electronic It may be transmitted to at least one of the device 310 or an automation device (eg, the automation device 370 of FIG. 3) connected to the at least one safety sensor 350.

The operation of determining whether the operator 360 is approached according to an embodiment is based on a frequency difference value of a signal in the ultra-high frequency band or a difference value between a transmission time and a reception time. It may include an operation of determining whether or not the access.

According to an embodiment, when the at least one detection area is divided into a first detection area and a second detection area, and when the approach of the operator 360 is sensed in response to the first detection area, the first detection area It may further include the operation of transmitting the first data corresponding to the automation device 370 and controlling the automation device 370 to slow down the operation speed of the automation device 370.

According to an embodiment, when the approach of the operator 360 is sensed in response to the second detection area, the second data corresponding to the second detection area is transmitted to the automation device 370, and the automation device The operation of controlling the automation device 370 to stop the operation of 370 may be further included.

According to an embodiment, the operator 360 receives data related to the location of the operator 360 from the at least one safety sensor 350, and based on the received data related to the location of the operator 360. It may further include the operation of confirming the location of the user interface and displaying a user interface in which the location of the identified operator 360 is displayed through the electronic device 310.

According to an embodiment, the electronic device 310 at least partially controls the automation device 370 connected to the at least one safety sensor 350, and the at least one safety sensor 350 and the automation device 370 transmits and receives data, and in response to a connection between the electronic device 310 and the at least one safety sensor 350, the electronic device 310 sets the at least one safety sensor in real time or at a set time interval. 350) and may further include an operation of transmitting and receiving data.

According to an embodiment, the at least one safety sensor 350 may further include an operation of receiving data related to the location of the operator 360 from the other safety sensor in conjunction with another safety sensor.

101, 310: electronic device 102, 104: external electronic device (e.g. safety sensor)
120, 311: processor 130, 315: memory
160, 317: display device (display)
190, 313: Communication module (wireless communication unit)
350: safety sensor 370: automation device

Claims (20)

In the safety sensor that supports signals in the ultra-high frequency band,
A wireless communication unit for transmitting and receiving wireless signals;
A connection unit for connecting with an automation device; And
And a processor operatively connected to the wireless communication unit and the connection unit,
The processor,
Receiving data for setting at least one detection area from an electronic device connected through the wireless communication unit,
Set the at least one detection area based on the received data,
It is determined whether an operator approaches the at least one set detection area by using the ultra-high frequency signal,
A safety sensor that transmits data related to the location of the worker to at least one of the electronic device or the automation device in response to the approach of the worker. According to claim 1,
The processor,
Transmit and receive data with the automation device connected through the connection,
A safety sensor that transmits and receives data to and from the electronic device in a set time interval or in real time through the wireless communication unit in response to a connection with the electronic device. According to claim 1,
The processor,
A safety sensor that determines whether the operator is approaching, based on a frequency difference value of a signal in the ultra-high frequency band or a difference value between a transmission time and a reception time. According to claim 1,
The high-frequency signal is a safety sensor that is transmitted with a variable frequency to detect the position of the operator. According to claim 1,
The processor,
Set the first detection area and the second detection area,
When detecting the approach of the operator in response to the first detection area, the first data corresponding to the first detection area is transmitted to the automation device,
Safety sensor that controls the automation device so that the operation speed of the automation device is slowed down. The method of claim 5,
The processor,
When detecting the approach of the operator in response to the second detection area, the second data corresponding to the second detection area is transmitted to the automation device,
Safety sensor that controls the automation device to stop the operation of the automation device. According to claim 1,
The processor,
Is interlocked with at least one other safety sensor through the wireless communication unit,
A safety sensor that receives data related to the operator's location from the at least one other safety sensor. In the electronic device,
A wireless communication unit for transmitting and receiving wireless signals;
A processor operatively connected to the wireless communication unit; And
A memory operatively connected to the processor,
The memory, when executed, the processor,
Connect to at least one safety sensor through the wireless communication unit,
Transmitting data for setting at least one detection area to the at least one safety sensor,
Set the at least one detection area by controlling the at least one safety sensor,
It is determined whether the operator has access to the set at least one detection area by using an ultra-high frequency signal through the at least one safety sensor,
In response to the approach of the operator, an electronic device that stores instructions to receive data related to the position of the operator from the at least one safety sensor. The method of claim 8,
The instructions, the processor,
An electronic device that transmits and receives data to and from the at least one safety sensor in a set time interval or in real time through the wireless communication unit in response to a connection with the at least one safety sensor. The method of claim 8,
Further comprising a display for displaying the user interface,
The instructions, the processor,
Check the location of the operator based on the data related to the location of the worker,
An electronic device that displays the identified location of the operator based on the user interface. The method of claim 8,
The instructions, the processor,
The at least one detection area is divided into a first detection area and a second detection area,
An electronic device that outputs a notification signal corresponding to the location of the worker based on data related to the location of the worker. The method of claim 8,
The instructions, the processor,
An electronic device configured to at least partially control an automation device connected to the at least one safety sensor. The method of claim 8,
The instructions, the processor,
Data for setting the at least one detection area corresponding to the at least one safety sensor, respectively,
An electronic device configured to receive data corresponding to the at least one safety sensor, respectively. In the control method of the safety sensor,
An electronic device connecting to at least one safety sensor through a wireless communication unit;
Transmitting, by the electronic device, data for setting at least one detection area to the at least one safety sensor;
Setting, by the electronic device, the at least one detection area by controlling the at least one safety sensor;
Determining whether an operator has access to the set at least one detection area by using an ultra-high frequency signal through the at least one safety sensor; And
The at least one safety sensor transmitting data related to the location of the worker to at least one of the electronic device or an automation device connected to the at least one safety sensor in response to the approach of the worker; Safety sensor control method comprising a. The method of claim 14,
The operation of determining whether the worker is approaching,
Determining whether to approach the operator based on a frequency difference value of the signal in the ultra-high frequency band or a difference value between a transmission time and a reception time; Safety sensor control method comprising a. The method of claim 14,
Dividing the at least one sensing region into a first sensing region and a second sensing region;
Transmitting the first data corresponding to the first detection area to the automation device when sensing the approach of the operator in response to the first detection area; And
Controlling the automation device to slow down the operation speed of the automation device; Safety sensor control method further comprising a. The method of claim 16,
Transmitting the second data corresponding to the second detection area to the automation device when sensing the approach of the operator in response to the second detection area; And
Controlling the automation device to stop the operation of the automation device; Safety sensor control method further comprising a. The method of claim 14,
Receiving data related to the location of the worker from the at least one safety sensor;
Checking the position of the worker based on the received data related to the position of the worker; And
Displaying a user interface in which the identified operator's location is displayed through the electronic device; Safety sensor control method further comprising a. The method of claim 14,
Controlling at least partially the automation device connected to the at least one safety sensor in the electronic device;
The at least one safety sensor and the automation device transmit and receive data; And
In response to a connection between the electronic device and the at least one safety sensor, the electronic device transmits and receives data to and from the at least one safety sensor in a set time interval or in real time; Safety sensor control method further comprising a. The method of claim 14,
An operation in which the at least one safety sensor is linked with another safety sensor to receive data related to the operator's location from the other safety sensor; Safety sensor control method further comprising a.

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