100results about How to "With wireless communication function" patented technology

The invention brings forward a power consumption monitoring system for a power consumption terminal. The power consumption monitoring system comprises a controller, a real-time acquisition module, an electric energy measuring module, a wireless communication module, a user identification module, a power supply management module, a clock module, a memory and a remote control terminal. By using the power consumption monitoring system, a user can remotely receive power consumption information of the power consumption terminal, send a control instruction to a CPU and control a power consumption switch of an electric appliance via the CPU. The power consumption monitoring system is suitable for multiple environments such as a house, a school, an office building, a hotel, a station, a club and the like, has a wireless communication function and is the best choice for achieving power consumption management of an intelligent building and a smart home; and the power consumption monitoring system is capable of allowing a user to know the power consumption condition of his / her home and the like and to discover the waste of power in a remote, wireless and real-time way, and guides the user to save the power initiatively.

The invention discloses an intelligent residential control system and a control method thereof, and relates to the intelligent control technical field. The system comprises a control center module, a wireless monitoring module, a remote monitoring device, a mobile phone monitoring device and a digital and analog sensor. The wireless monitoring module and the digital and analog sensor are installed on a residential device and an article. The remote monitoring device connects with the control center module. The mobile phone monitoring device forms wireless connection with the control center module. The remote monitoring device and the mobile phone monitoring device are used for sending control information according to monitoring information obtained by control center module. The system also comprises a residential device control module and a wireless execution module, both of them are connected with the control center module and are used for controlling the residential device according to the control information sent by the control center module, and a wireless data transmission module which connects with the wireless execution module and the wireless monitoring module respectively. According to the invention, automation monitoring and controlling of residential facility and device are realized.

The invention provides a brand new control method of a remote control toy, which aims at solving the shortcomings that the equipment is complicated, the cost is high, the remote control interestingness is poor, the existing remote control toy is not intelligentized and can only be operated by a simple person, etc. The method for solving the problems, disclosed by the invention, comprises the following steps: mounting a near field communication technology module on the remote control toy, then mounting an operation client on control equipment, using a near field wireless communication module of the control equipment through the client to communicate with the remote control toy and transmit a control command, and further controlling the remote control toy.

The invention discloses a portable digital stethoscope which is composed of a stethoscope head, a rubber tube, a signal processing unit, ear pieces, a storage device, a liquid-crystal display and button module and a power source. The signal processing unit is located inside the rubber tube. The stethoscope head is replaceable and is in threaded connection with the rubber tube. The stethoscope is provided with a storage or an SD card and communicated with a computer through a USB interface, and can also achieve the wireless communication function through a zigbee protocol. Earphones are embedded into the ear pieces. The earphones are connected with the signal processing unit through earphone interfaces. The power source is a rechargeable lithium battery. A liquid-crystal display screen displays relevant information. Compared with a traditional stethoscope, the stethoscope head of the stethoscope is replaceable, stethoscoping modes can be selected, the volume of the stethoscope can be adjusted, recording, storage, timekeeping, heart rate displaying and wireless communication can be achieved, the operation is easy, use is convenient, and the stethoscope can be used by medical workers and used for teaching activities.

The invention discloses a sound controller of an air conditioner having a custom acoustic control function. By the sound controller, a user records and stores voice segments according to corresponding functions or states of the air conditioner, and then the user needs to repeat the recorded and stored voice segments to adjust to the corresponding functions or the states by controlling the air conditioner by the sound controller. After the sound controller detects outside voice segments, the outside voice segments can be compared with the voice segments of all acoustic control commands in a storage unit in the sound controller; when the outside voice segments are accordant with some of the voice segments in the storage unit, an instruction for operating the corresponding functions or the states of the air conditioner is sent and sent to the air conditioner by a communication unit in the sound controller; and corresponding voices are played by a sound playing unit in the sound controller to remind the user. The sound controller is characterized by flexible operation, good generality and wide application range.

The present invention discloses a testing system and testing method of a solenoid valve life. The testing system comprises a control end and a testing loop. The control end comprises a computer control terminal and a wireless network adapter. The computer terminal is responsible for equipment connection, testing mode control and data record and storage. The testing loop comprises a solenoid valve performance testing device, a pressure sensor, a gas tank, and a pressure reducing valve. The testing loop is responsible for the life cycle and performance testing of a solenoid valve to be tested. The testing method is that an automatic control mode with alternative life cycle and performance testing is used to test the solenoid valve to be tested. The testing system and the testing method have the advantages of automation, intelligence, integration, big data and high reliability, and the defects of high intensity, a long cycle, heavy workload, a low degree of intelligence, no testing of performance change and the like of existing solenoid valve life testing can be solved.

The invention discloses a bee colony monitoring system based on an artificial neural network, and belongs to the field of informationized bee breeding. A beehive monitoring device is based on solar power supply, and automatically collects multi-dimensional data such as temperature, humidity, sound, weight, bee access and geographic location information of the beehive to upload to a remote server.The remote server automatically stores the data in a database and invokes multiple artificial neural networks trained by annotated data to perform real-time diagnosis of beehive data. Based on the diagnosis result, the remote server automatically sends a control command to the beehive monitoring device for controlling the opening degree of an electronic control channel and the sound of a specificfrequency emitted by a sound module, thereby realizing the purpose of automatically intervening the bee colony activity and prompting the human intervention, and finally monitoring the status of the beehive, suppressing the bee colony swarming, fleeing and pest and disease invasion, and optimizing the survival environment of the bee colony.

The invention provides an intelligent management terminal of a circuit breaker, which comprises a power supply module, an interface module, a wireless module and a monitoring module. The power supply module is used for supplying power to the interface module, the wireless module and the monitoring module; one end of the interface module is connected with the circuit breaker and the other end of the interface module is connected with the monitoring module; the wireless module is connected with the monitoring module; the monitoring module is used for acquiring real-time data from the circuit breaker through the interface module and triggering the wireless module to send alarm information if the circuit breaker goes wrong; the wireless model can receive information containing a remote control command and inform the monitoring module; and the monitoring module sends the remote control command to the circuit breaker through the interface module. The wireless communication can be based on the existing GSM (Global System for Mobile Communications) wireless network and a mobile phone of a manager can be used as a wireless transceiver, so that the manager can remotely control the circuit breaker by a mode of sending a short message by the mobile phone, and thus, the maintenance cost of power equipment is greatly saved.

The invention relates to an intelligent security door with a high anti-theft factor based on the internet of things. The intelligent security door comprises a door frame, a door panel, and a cat eye.The door panel is arranged in the door frame, the cat eye is arranged on the door panel, and the door frame is provided with an automatic door opening mechanism. The door panel is provided with a contracting mechanism. The automatic door opening mechanism includes a first motor, a first screw, a first sliding block, a track, and a push rod; and an anti-theft mechanism includes a drive assembly, afixing assembly, a fixing ring, a locking bolt slot, a rack, and a locking bolt. According to the intelligent security door with the high anti-theft factor based on the internet of things, the security door is locked through the anti-theft mechanism, a radio transmitter is used for stopping a thief, and the anti-theft effect is improved; and compared with a traditional security door, the intelligent security door has a wireless communication function which can promptly notify a user to take measures to prevent property damage. Not only that, but also the security door can be opened automatically through the automatic door opening mechanism, and the user who opens the door inconveniently can be helped to open the security door, and intelligent door opening is realized.

The invention discloses a vehicle-mounted terminal system based on a cloud platform. The vehicle-mounted terminal system is characterized by comprising a vehicle-mounted terminal body and being implemented according to a working principle and a communication specification of a vehicle terminal system based on a cloud platform and a communication and control method among the vehicle-mounted terminal, the cloud platform, a vehicle controller, and a mobile device. The vehicle-mounted terminal includes a control module, a positioning module, a communication module, a network module, a video acquisition module, and a power supply module; the vehicle-mounted terminal carries out communication and data transmission with the cloud platform to realize remote monitoring; and the vehicle-mounted terminal carries out communication and data transmission with the vehicle controller by the network module to realize remote controlling of the vehicle. The vehicle-mounted terminal based on the cloud platform serving as a vehicle networking and dispatching control part is used for realizing all-round vehicle monitoring and management as well as vehicle positioning, remote monitoring and operation control, and data acquisition. On the basis of a three-dimensional network system established by the vehicle-mounted terminal, the mobile terminal and the cloud platform, effective docking of vehicle resources and application demands is realized, personalized application services can be provided for users; the requirement of the national transportation energy strategic transformation is met; and theinevitable tendency of transformation and upgrading development of the public transportation industry is promoted.

The invention discloses a modular AUV device. The modular AUV device mainly comprises a front cabin, a buoyancy adjusting cabin, a sensor cabin, an energy cabin, a tail cabin and a propulsion unit. Acamera and a searchlight are mounted in the front cabin. The buoyancy adjusting cabin is provided with a buoyancy adjusting mechanism, and the sensor cabin is provided with a control panel, a Dopplerspeedometer and a positioning system. The two sides of the sensor cabin are provided with side scanning sonars, the number of modules adopted by the modular AUV device can be increased and decreased according to actual demands, the device has a wireless communication function and is designed into a streamline shape, and steering of the modular AUV device is realized through the combined control ofsix propellers. Through combined control of the six propellers, the AUV maneuverability is improved while the complexity of a driving mechanism is reduced.

The invention relates to a centralized control device for charging and parking of an electric vehicle and an application thereof. The device includes a charging pile, and a controller and a vehicle identity identification device separately installed on the charging pile, the controller is in communicational connection with the charging pile and the vehicle identity identification device separately, the centralized control device also includes a vehicle stop arm connected with the controller, the vehicle stop arm is movably connected with the charging pile which is installed in a middle point of a tail line of a parking space, and occupying and releasing of the parking space can be realized through rotating above the park space. Compared with the prior art, the charging pile and a parking space lock are integrated, the device has functions of charging and parking space management, and the workload of installation and construction of two individual devices can be greatly reduced.

The invention relates to falling preventive waist protecting equipment which is characterized by comprising a body, a microprocessor, a safety air bag control unit, a human body data acquisition unit,a positioning unit and a communication unit. The body is a waistband with buckles and straps, the safety air bag control unit comprises air bags and inflation elements, and the human body data acquisition unit comprises an acceleration sensor, a piezoelectric membrane sensor, a temperature sensor or a perspiration sensor; the microprocessor, the safety air bag control unit, the human body data acquisition unit and the communication unit are arranged inside the waistband, an input end of the microprocessor is connected with the human body data acquisition unit and the positioning unit, and anoutput end of the microprocessor is connected with the safety air bag control unit and the communication unit; the human body data acquisition unit is used for acquiring physiological information of human bodies, the microprocessor is used for storing and analyzing the physiological information, and the communication unit is used for making calls to terminals and transmitting the physiological information and position information of the human bodies to the terminals.

The invention discloses an elevator maintaining method based on radio frequency card and elevator operating state. The elevator maintaining method includes the steps of (1) preliminary preparatory work, wherein the preparatory work includes wiring of an elevator remote supervision terminal and manufacturing of maintenance regulations; (2) maintenance regulation issuing, wherein after the elevator remote supervision terminal is started, an upper supervision mainframe sends the maintenance regulations to the elevator remote supervision terminal; (3) maintenance supervision, wherein after the elevator remote supervision terminal receives the maintenance regulations, multiple maintenance processes recorded on the maintenance regulations are supervised according to the sequence of maintenance time, and the supervision process includes the following steps of (301) maintenance reminding, (302) maintenance personnel identity recognition, (303) maintenance supervision information generating and uploading, (304) maintenance supervision information synchronous receiving and storing. The method is simple in step, reasonable in design, convenient to implement, good in using effect and capable of effectively supervising maintenance conditions of an elevator.

The invention relates to a supermarket shopping trolley electronic anti-theft system which comprises a car electronic anti-theft device and a controlling center, wherein, the car electronic anti-theft device comprises a car MCU central controller, a car GPS module, a car RF receiving / transmitting module, a car acousto-optic alarming circuit, a car voice prompting and alarming circuit, a car working power source, a car power-source monitoring circuit, a controlling circuit and a key; the controlling center comprises a center MCU controller, a center GPS module, a center RF receiving / transmitting module, a communication expansion interface, a center acousto-optic alarming circuit, a center voice prompting and alarming circuit, a center working power source, a center power-source monitoring circuit, a permanent calendar clock, a working keyboard and an LCD information display unit, wherein, the car electronic anti-theft device is communicated with the controlling center through the RF receiving / transmitting module. Compared with the prior art, the invention has the wireless communication function, thereby instantly and dynamically displaying the status of the supermarket shopping trolley so as to prevent the loss.

The invention discloses a multi-section zinc oxide lightning arrester leakage current measurement apparatus. The apparatus comprises a remote control platform, a direct-current high-voltage generator, a direct-current microamp detection apparatus and multi-section zinc oxide lightning arresters. The remote control platform and the direct-current high-voltage generator are communicated in a wireless mode. A flange among the multi-section zinc oxide lightning arresters is fixedly connected to a wiring clamp. A physical position of the direct-current microamp detection apparatus is fixedly connected to the wiring clamp. A signal output terminal of the direct-current high-voltage generator is electrically connected to a signal input terminal of the direct-current microamp detection apparatus through a lead. The direct-current microamp detection apparatus is connected to the zinc oxide lightning arresters through the wiring clamp. By using the multi-section zinc oxide lightning arrester leakage current measurement apparatus of the invention, the direct-current microamp detection apparatus is physically fixed to the wiring clamp between the two sections of lightning arresters; a stray current of a high voltage test lead to surrounding air or equipment does not directly pass through the direct-current microamp detection apparatus so that an influence of the stray current is avoided and measurement accuracy is ensured.

The invention discloses an elevator remote monitoring method. The elevator remote monitoring method includes steps of firstly, digitalizing operating states of elevators: digitalizing various operating states of N monitored elevators and monitoring the N monitored elevators by N elevator remote monitoring terminals; secondly, determining normalized logic parameters: determining the normalized logic parameters of the N elevator remote monitoring terminals; thirdly, remotely monitoring the operating states of the elevators: starting the N elevator remote monitoring terminals to remotely monitor the operating states of the N monitored elevators. The process of the elevator remote monitoring method includes 301, acquiring information of the operating states of the elevators; 302, normalizing the information of the operating states of the elevators; 303, uploading the normalized result. The elevator remote monitoring method is simple and reasonable in design, convenient to realize and good in using effect, capable of effectively monitoring various types of elevators, and capable of normalizing input and output signals of various elevator controllers.

The invention provides a temperature controller. The temperature controller comprises a processor, two temperature sensor interfaces, an alarm, a wireless module, an antenna, an LED display screen, keys and a control output interface, wherein the temperature sensor interfaces and the keys are connected with an input end of the processor; the LED display screen, the alarm and the control output interface are connected with an output end of the processor; when the temperatures of the two temperature sensor interfaces are different from each other, the alarm starts alarming; and the processor transmits and receives the temperature control information through the wireless module and the antenna, and control the state of external refrigeration and heating equipment through the control output interface according to the input temperature values of the external temperature sensor interfaces, so that a comfortable, safe, convenient and efficient life environment can be provided.

The invention discloses an online monitoring device for arrester mixed current recording, which comprises a mixed electronic Rogowski current transformer and a main control module, wherein the mixed electronic Rogowski current transformer is connected onto the arrester for measuring the operating current, the lightning impulse current and the operating impulse current of the arrester, and measureddata are transmitted to the main control module through an optical fiber; and the main control module judges the operating condition of the arrester according to the measured data. The online monitoring device is reasonably designed, the mixed electronic Rogowski current transformer is used, a power electronics technology and a digital signal processing technology are used to realize functions ofarrester steady and transient current recording and online real-time monitoring, and the device has the advantages of high current detection precision and strong anti-interference ability.

The invention discloses a digital display dial indicator based on wireless communication, comprising: a display screen, a measuring rod, a watch case, a rotating case, a sliding rheostat, a reset spring, an antenna, a communication circuit board, a communication chip, a first battery, two A laser module, two receiving modules, a laser circuit board, and a second battery; wherein, the display screen is exposed on the front side of the watch case, the measuring rod and the watch case form a sliding connection along the first direction, and the sliding rheostat includes a rheostat main body And the slider, the slider can slide relative to the main body of the rheostat, the slider is connected to the measuring rod; one end of the return spring is connected to the watch case and the other end is connected to the measuring rod; the antenna is arranged above the watch case, and the communication circuit board is fixedly arranged on the watch case The main accommodating cavity, the antenna is electrically connected to the communication circuit board, and the communication chip is installed on the communication circuit board. The advantage of the present invention is that it provides a digital display dial gauge with wireless communication function.

The invention provides a power supply and distribution system electric cable interlayer operation monitoring protective device. A helmet is provided with an outer shell and an internal net in contact with a human head; a wireless communication device, an electricity storage device and a positioning device are mounted; people is enabled to conveniently instruct operation at a construction filed, working efficiency can be improved, impact force can be effectively reduced via a buffer ring, safet of a safety helmet can be increased, a heat dissipation fan and a temperature control device can be used for temperature reduction according to a set temperature, and therefore heat dissipation effects can be exerted. The wireless communication device, the positioning device, an illuminating device, an oxygen content sensor, a control device, the heat dissipation fan, a detection assembly, a carbon monoxide detection module, a facial recognition camera and an environment camera are respectively connected with the electricity storage device, the electricity storage device is used for supplying electric power, an electricity quantity of the electricity storage device can be detected via a processor, and the protective device can be prevented from malfunctioning due to a low electricity quantity of the electricity storage device when crisis time comes.

The invention provides a wireless optical fiber transceiver. The wireless optical fiber transceiver comprises an optical transceiving module, a conversion module and an electric interface, wherein the optical transceiving module and the electric interface are respectively connected with the conversion module. The wireless optical fiber transceiver is characterized by further comprising a wireless communication module, a function control module and a controller, the wireless communication module is connected with the conversion module, and the electric interface, the wireless communication module and the controller are respectively connected with the function control module. The wireless optical fiber transceiver has the benefits that due to the additional arrangement of the wireless communication module, the optical fiber transceiver has a wireless communication function and can carry out wireless data transmission; due to the additional arrangement of the function control module, the optical fiber transceiver can be switched between wired communication and wireless communication; the work mode of the optical fiber transceiver can be conveniently changed by a user through the adoption of a key or a button as the controller; due to the additional arrangement of a function indicator, the mode in which the optical fiber transceiver works can be visually observed by the user.

The invention discloses an online monitoring device for arrester temperature distribution, which comprises a fiber grating temperature sensor and a main control module, wherein the fiber grating temperature sensor is connected onto the arrester, the fiber grating is adopted to carry out distributed temperature measurement on the arrester, and the measured data are transmitted to the main control module through the fiber; and the main control module judges the operating condition of the arrester according to the measured data. The online monitoring device is reasonably designed, the fiber grating is used as a sensor, a power electronics technology and a digital signal processing technology are used to realize the function of online and real-time monitoring on the distributed temperature, anarrester abnormity can be timely found out, and the online monitoring device for arrester temperature distribution has the advantages of high temperature detection precision and strong anti-interference ability.

The invention provides an intelligent health management system for an underground miner, and relates to the technical field of health management. The intelligent health management system is combined with an intelligent wearable device which is popular at present, and the intelligent health management system, in accordance with coal industry, is integrated with a combustible gas sensor, a blood pressure sensor and a heart rate sensor and is capable of monitoring and recording surrounding working environment of the miner as well as miner's physical condition in real time. In case of abnormity, alarm is conducted. The wearable device, which has a wireless communication function, can automatically record physical health data of the underground miner when the miner returns to ground and then submit the data to a server system. The server system is in charge of backing up and comprehensively analyzing the data and periodically offering health analysis reports so as to provide reference to administrative departments, so that the underground miner is kept under a good physical condition.

The invention provides a cable gallery operation positioning protector of a power distribution system. The cable gallery operation positioning protector comprises a helmet and an oxygen production device connected with the helmet, wherein the helmet is provided with a helmet shell and a glass face mask; the glass face mask and the helmet shell are movably connected; the helmet shell is provided with a wireless communication device, a rechargeable battery, a positioning device, a lighting device, an oxygen content sensor used for sensing the oxygen content in a cable tunnel, a control device, a temperature controller, a detection assembly, a cooling fan, a carbon monoxide detection module, a wireless interphone, a facial recognition camera and an environment camera; the inner surface of the helmet shell is coated with an anti-radiation isolating layer, an LED ultraviolet lamp and a negative-ion generator are arranged in the helmet shell, and a concealed satellite receiving antenna is also arranged in the helmet shell. The cable gallery operation positioning protector is diversified in function and compact in structure, the personal safety of operating personnel is guaranteed, meanwhile, the cable gallery operation positioning protector also has the wireless communication function, so that people can conduct the operation at the construction site conveniently, and the work efficiency is improved; through the positioning device, the location of a wearer is rapidly locked.

The invention relates to a charging and parking space management integrated system for an electric vehicle and application of the system. The system comprises a charging pile as well as a controller and a vehicle identity identification device which are mounted on the charging pile, wherein the controller is in communication connection with the charging pile and the vehicle identity identificationdevice; and the integrated system further comprises a vehicle blocking arm connected with the controller, wherein the vehicle blocking arm is movably connected with the charging pile installed at themidpoint of the tail line of a parking space, and can rotate above the parking space so as to occupy and release the parking space. Compared with the prior art, the charging and parking space management integrated system for the electric vehicle of the invention integrates the charging pile and a parking space lock, has a charging function and a parking space management function, and can greatlyreduce the workload of the separate installation of the two devices.

The invention discloses a 3D video shooting device. The 3D video shooting device comprises a main frame, wherein a first video camera, a second video camera vertical to orientation of a lens of the first video camera and a viewport frame with the front end open are arranged on the main frame, a light reflecting lens is arranged in the viewport frame, the interior of the viewport frame is divided into two regions by virtue of the light reflecting lens in the viewport frame, so that mounting space is saved, and mounting is convenient; meanwhile a first driving component and a second driving component are arranged on the main frame, automatic control regulation on focus and aperture of the lens is realized, structure is more compacter and simpler, and a control circuit board has a wireless communication function, so that connection of a data line is eliminated, a tedious line connection operation is avoided, operation is convenient, and the 3D video shooting device is more practical and more reliable.

The invention discloses a minitype wireless intelligent rain gauge with the ZigBee technology, and relates to the technical field of the wireless measurement. The minitype wireless intelligent rain gauge with the ZigBee technology aims to solve the technical problems that the traditional rain gauge is heavy, does not have an automatic data teletransmission function and needs manual intervention, collection and the test are mutually interfered, and water is slowly drained in a halfway manner. The bottom of the rainfall collection container device (1) of the minitype wireless intelligent rain gauge is provided with a first bottom electric point (2) of the rainfall collection container device, a second bottom electric point (3) of the rainfall collection container device, and a bottom water drain valve (11) of a rainfall collection container, wherein a rainfall test container (10) is arranged below the bottom water drain valve (11) of the rainfall collection container; the upper part of the rainfall test container (10) is provided with a rainfall test container spill point (7); the bottom of the rainfall test container (10) is provided with a liquid level sensor (8) and a bottom water drain valve (9) of a rainfall test container device; and a microcontroller information processing device (5) is connected with the first bottom electric point (2) of the rainfall collection container device and the second bottom electric point (3) of the rainfall collection container device.

The invention provides a pair of body physiological status monitoring glasses. The pair of glasses comprises a glasses frame, and a camera, a main board, a sensor module, an antenna and a battery which are arranged in the glasses frame. The camera, the sensor module, the antenna and the battery are all connected to the main board. The camera is installed on the inner side of the glasses frame andused for photographing human eyeballs and obtaining body physiological status information from images of periorbital blood vessels, fundi, pupils and the like. The eyeglasses are provided with temperature, vibration and sweat sensors and a gyroscope so that the pulse, body temperature, sweat pH and other physiological information of a human body and the posture, action information and environmentinformation of the human body can be obtained. The glasses have wireless communication, positioning and data storage functions. The vital sign information monitored, recorded and transmitted by the glasses in real time is diversified, the diagnosis and analysis accuracy can be easily improved, and timely response can be easily made.

The present invention relates to a fireproof cover. The fireproof cover comprises a circular pedestal, arc-shaped cover bodies arranged at edges of two sides of the circular pedestal, a device pedestal arranged on the circular pedestal, and a first driving device arranged at one side of the circular pedestal. One ends of the arc-shaped cover bodies are in mechanical connection with the first driving device, the arc-shaped cover bodies arranged at the edges of the two sides of the circular pedestal are extended downwards and perform contact connection under the drive of the first driving device, and then the arc-shaped cover bodies and the circular pedestal form a semispherical protection chamber, and the internal portion of the semispherical protection chamber is covered with the device pedestal and an electronic device installed on the device pedestal. The arc-shaped cover bodies arranged at the edges of the two sides of the circular pedestal are extended upwards and perform contact connection under the drive of the first driving device, and then the arc-shaped cover bodies and the circular pedestal form the semispherical protection chamber to separate the electronic device from the outside so as to effectively avoid flame spreading and prevent the electronic device from being directly damaged.