17results about How to "Realize wireless communication" patented technology

The utility model relates to the technical field of rat repelling equipment, in particular to a rat repeller with a water leakage detection function, which comprises a shell, a display screen is fixedly mounted on one side of the shell, a circuit board is fixedly mounted in the shell, an MCU control circuit is arranged on the circuit board, one side of the MCU control circuit is connected with a water leakage detection circuit, and the other side of the MCU control circuit is connected with the water leakage detection circuit. And one side of the MCU control circuit is connected with an RS485 communication circuit. The intelligent mouse repeller has the advantages that the MCU control circuit, the water leakage detection circuit, the RS485 communication circuit, the ultrasonic wave circuit, the lora communication circuit and other circuits are integrated on the circuit board, and the antenna, the node temperature measurement receiving module, the water leakage detection probe, the ultrasonic wave generator and other devices are connected with the circuit board through corresponding interfaces, so that the mouse repelling effect is ensured, and meanwhile, the water leakage detection effect is greatly improved. Therefore, leakage detection and temperature detection can be carried out, and wireless communication with an upper computer is realized through an antenna by using a lora communication technology.

The utility model relates to the technical field of intelligent door lock accessories, and discloses an environment monitoring assembly for an intelligent door lock, which comprises a sealing cover plate, a sleeve shell, a sleeve block and an intelligent camera, sliding holes are formed in the two sides of the sleeve shell, sliding rods are arranged in the sliding holes in a sliding mode, a sleeve block is installed between the sliding rods and located in the sleeve shell through installation holes, supporting springs are arranged on one side of the sleeve block and one end of the inner wall of the sleeve shell, and an intelligent camera is installed on the other side of the sleeve block through an installation base; when the intelligent camera is accidentally touched, due to the rebound resilience of the supporting spring, the intelligent camera retracts into the sleeve shell, the effect of preventing external force damage is achieved, the storage battery and the LORA antenna communication module are located in the sealed cavity through the sleeve block, the sleeve shell and the sealing cover plate, the sealing performance of the guide sleeve is improved through the sealing sleeve, and the service life of the intelligent camera is prolonged. And the dustproof and waterproof effects are greatly improved.

The application provides a multi-frequency antenna and a communication device. The multi-frequency antenna comprises a reflecting plate, a first radiating unit and a second radiating unit, the first radiating unit and the second radiating unit are arranged on one side of the reflecting plate, and the first radiating unit is located between the reflecting plate and the second radiating unit. The first radiating unit comprises a first radiating part and a metal plate, and the metal plate is located between the first radiating part and the second radiating unit. The second radiating unit comprises a second radiating part and a metal ring, and the metal ring is located between the second radiating part and the metal plate. When the above structure is adopted, the size of the multi-frequency antenna as a whole can be reduced, and the first frequency band and the second frequency band have high isolation, so that the two frequency bands can work independently, the multi-frequency antenna can meet the miniaturization demand of the common antenna surface, the antenna works stably, and the efficiency is high.

The utility model relates to the technical field of lead sealing labels, in particular to a passive type container lead sealing label with an anti-disassembly detection function, which comprises a lead sealing label body, an acrylate polymer is fixedly arranged in the lead sealing label body, an ABS (acrylonitrile butadiene styrene) high-strength plastic layer is fixedly arranged at the outer end of the acrylate polymer, and an anti-disassembly detection layer is fixedly arranged at the outer end of the ABS high-strength plastic layer. A mounting cavity is formed in the inner end of the acrylate polymer, and an RFID chip is fixedly mounted in the mounting cavity; according to the lead seal label, the acrylic polymer and the ABS high-strength plastic layer are installed, the anti-dismantling performance of the lead seal label can be improved conveniently, the acrylic polymer and the ABS high-strength plastic layer are matched with each other, the effect that the inner layer is fragile and the outer layer is resistant to impact can be achieved, the RFID chip is embedded in the fragile acrylic polymer, and the anti-dismantling performance of the lead seal label is improved. Physical anti-disassembly and electronic detection can be combined, and the environmental adaptability of the lead sealing label can be improved due to the ABS high-strength plastic layer with good toughness and corrosion resistance.

A wireless sensing system powered by a quasi-2D tension-compression mode piezoelectric energy harvester relates to the technical field of Internet of Things power system design. An elastic beam is horizontally fixed between the supports on both sides of the base, a mass unit is fixed at the center of the elastic beam, and piezoelectric composite units are symmetrically installed on the elastic beam at both sides of the mass unit. The piezoelectric composite unit includes two layers of cymbal structure and a piezoelectric ceramic sheet sandwiched and bonded therebetween. The piezoelectric composite unit is fixed between the fractures at the corresponding positions of the elastic beam in the tensile direction. The micro-energy management module rectifies and stores the AC power generated by the piezoelectric composite unit to provide power for the Internet of Things module, and the Internet of Things module performs wireless broadcasting. The piezoelectric composite unit is used as the main body to generate electrical energy during vibration and is integrated with wireless sensor technology to replace traditional batteries as power supply, which is conducive to improving space utilization and energy density.

The embodiment of the utility model discloses a control system of a multifunctional reading lamp, which comprises an intelligent bracelet, a bracelet main body, a first microcontroller, a temperature sensing module, a signal sending module and a first power supply module, and the first microcontroller, the temperature sensing module, the signal sending module and the first power supply module are arranged in the bracelet main body. The signal transmitting module is used for receiving a temperature signal and transmitting the temperature signal to the first microcontroller, and the first microcontroller is used for transmitting the received temperature signal to the multifunctional reading lamp through the signal transmitting module; the signal receiving module is used for transmitting a received temperature signal transmitted by the smart bracelet to the second microcontroller, the second microcontroller is used for generating a corresponding light signal according to the received temperature signal and transmitting the light signal to the LED driving circuit, and the LED driving circuit is used for controlling the display state of the LED lamp group according to the received light signal. According to the scheme of the embodiment of the utility model, wireless communication and interaction between the intelligent bracelet and the multifunctional reading lamp are realized, and convenience is provided.

The invention belongs to the field of drilling engineering, and particularly relates to a combined near-bit measurement-while-drilling communication system which is characterized in that a near-bit measurement module and a short-range transmitting antenna module are arranged on a near bit, and the near-bit measurement module wirelessly transmits measurement signals out through the short-range transmitting antenna module, so that cable transmission is saved; and the remote receiving antenna module uploads the signal through the slurry, so that the system enables the measurement module to be arranged at the lower part of the near-bit for measurement. Meanwhile, whether collection is started or not can be judged through the rotary switch module, and electric energy is saved.

This invention provides a high-efficiency, low-temperature-rise passive harmonic filter, belonging to the field of filters. It includes a main base housing and a top housing with evenly spaced heat dissipation side slots on both sides, which work in conjunction with symmetrically fixed cooling fans on the inner side to form an effective airflow channel. The cooling fans draw external cool air into the top housing, accelerating airflow and allowing heat to be quickly dissipated to the external environment, significantly improving heat dissipation efficiency. The evenly fixed heat dissipation side plates on the outer side of the passive harmonic filter further increase the heat dissipation area, while the porous structure of the perforated support plate also facilitates airflow and enhances the heat dissipation effect. Through these heat dissipation designs, the temperature rise of the filter during operation is effectively reduced, ensuring that the internal electronic components operate in a suitable temperature environment, improving component performance and lifespan, reducing the failure rate caused by overheating, and improving the reliability and stability of the filter.

This invention provides a radio frequency (RF) sensor and a wireless sensing device, belonging to the field of communication technology. The RF sensor includes an RF carrier generator, a piezoelectric sensor, and a phase modulator. The RF carrier generator generates an RF carrier signal; the piezoelectric sensor converts a physical excitation signal into a sensing voltage signal; the phase modulator has an RF signal input terminal, an RF signal output terminal, and a modulation electrode, which is disposed between the RF signal input terminal and the RF signal output terminal. The RF signal input terminal is connected to the RF carrier generator, and the modulation electrode is connected to the piezoelectric sensor. This RF sensor eliminates the high-power, complex modulation device and uses passive, low-power acoustic devices to complete the signal chain processing, thereby significantly reducing system power consumption, simplifying the system structure, and clearing obstacles for miniaturizing RF sensors.

A laser radar includes: a base housing; a main shaft; a first mainboard; a second main board; the communication assembly comprises a first communication module and a second communication module; at least one of the first communication module and the second communication module is provided with a shielding cover, the shielding cover is located between the first communication module and the second communication module, the surface, intersecting with the axial direction of the main shaft, of the shielding cover is provided with a light-transmitting area, and the light signals are transmitted through the light-transmitting area. At least one of the first communication module and the second communication module is provided with a shielding cover, the shielding cover is located between the first communication module and the second communication module, the surface, intersecting with the axial direction of the main shaft, of the shielding cover is provided with a light-transmitting area, and the light signals are transmitted through the light-transmitting area. In addition, the shielding case can effectively realize electromagnetic shielding to suppress radiation interference, so that the laser radar can give consideration to both wireless communication and radiation interference suppression.

The utility model relates to a kind of photoelectric acquisition devices of bluetooth communication, belong to infrared optical communication technical field.It includes charging and control circuit, infrared pair tube drive circuit and bluetooth communication chip circuit;Charging and control circuit includes primary step-down circuit and secondary step-down circuit;Primary step-down circuit includes chip HT7536 and super capacitor;Input voltage is connected with the input end of chip HT7536, and super capacitor is connected with the output end of chip HT7536;Secondary step-down circuit includes chip HT7533;The output voltage of primary step-down circuit is the output voltage of secondary step-down circuit;Infrared tube drive circuit includes photoelectric sending circuit and photoelectric receiving circuit;Bluetooth communication chip circuit includes chip RM1200;Pin 5 of chip RM1200 is connected with photoelectric sending circuit, and pin 6 of chip RM1200 is connected with photoelectric receiving circuit;The output end of secondary step-down circuit is connected with pin 29 of chip RM1200.

The utility model relates to a communication architecture used for a battery system, comprising a communication module used for collecting battery performance parameters of a battery and adjusting battery performance according to adjusting parameters; the battery management system is used for receiving battery performance parameters of the battery and transmitting adjustment parameters to the battery through the communication module; the vehicle control unit is connected with the battery management system and can analyze and process battery performance parameters provided by the battery management system and synchronously feed adjustment parameters back to the battery management system. The communication module can be applied to a distributed battery system and an extensible battery system, and the communication module can be replaced independently. In addition, no physical connection exists between the battery and the communication module, so that the risks of water leakage, gas leakage and dust entering the battery system do not exist.

The invention provides a wireless communication method and device for a vehicle and a charging pile, equipment and a medium, and the method comprises the steps: searching a currently available wireless charging pile in a designated wireless charging region when a to-be-charged vehicle enters the designated wireless charging region; one target wireless charging pile is selected from the searched wireless charging piles, so that a power battery in the to-be-charged vehicle obtains the wireless charging authority of the target wireless charging pile; searching a wireless communication unit of the target wireless charging pile by using the communication general management unit, and after the wireless communication unit is searched, establishing a wireless communication connection channel with the wireless communication unit through the communication general management unit; and the charging information of the power battery is sent to the target wireless charging pile through the communication connection channel, so that the target wireless charging pile performs wireless charging on the power battery according to the charging information. Through the method, wireless communication between the battery management system and the wireless charging pile is realized.

The invention discloses a pickup device, a pickup system and a smart home system. The pickup device comprises an acquisition module, a signal processing module and a wireless communication module, wherein the acquisition module is used for acquiring an audio signal; the signal processing module is connected with the acquisition module and used for processing the audio signal; and the wireless communication module is connected with the signal processing module and is used for realizing wireless communication with target audio receiving equipment. The device can work independently, does not need to be directly connected with target audio receiving equipment, and performs wireless communication through the wireless communication module, so that the flexibility and portability of the pickup device are improved, the pickup coverage range is expanded, the pickup blind area is reduced, the arrangement is convenient, and voice recognition and voice control failures caused by pickup failures or pickup errors are avoided.

The utility model relates to the technical field of earthquake monitoring, and discloses a cabinet type earthquake monitoring station, which comprises a monitoring station cabinet body, a top sealing cover and a side sealing plate, a suction opening is formed in one end of the monitoring station cabinet body, a dehumidification fan is installed in the suction opening through an installation base, a top sealing cover is clamped to the top of the monitoring station cabinet body, rubber embedded sleeve blocks are bonded to the bottom of the top sealing cover, and a hanging plate is installed between the rubber embedded sleeve blocks through bolts. An upper partition plate and a lower end plate are welded to one side of the hanging plate from top to bottom, and an earthquake monitor is installed at the top of the upper partition plate through an installation base. Monitoring electronic elements on one side of the hanging plate can be overhauled and maintained conveniently, manpower and material resources are saved, the working efficiency is improved, the automatic dehumidification function is achieved, and the electronic elements are prevented from being damaged.

The invention discloses a marine electronic tag and a using method thereof, and relates to the technical field of marine monitoring, and the marine electronic tag comprises a friction nanometer generator and / or a piezoelectric nanometer generator, an energy management unit, an information acquisition and processing unit, a flexible sensor, a signal transmitting unit and a flexible packaging layer. The friction nano-generator and / or the piezoelectric nano-generator are / is provided with a flexible substrate layer; the energy management unit is arranged on the flexible substrate layer; the electric energy collection module is used for collecting and distributing electric energy generated by the friction nano-generator and / or the piezoelectric nano-generator; the information acquisition and processing unit is arranged on the flexible substrate layer; the signal transmitting unit is arranged on the flexible substrate layer; the friction nanometer generator and / or the piezoelectric nanometer generator, the energy management unit, the information collecting and processing unit, the signal transmitting unit and the flexible sensor are coated with the flexible packaging layer. According to the invention, interference on movement and health of marine animals can be avoided, and long-term service of equipment can be realized.

The utility model relates to a medicine box, in particular to an off-line identification medicine box which comprises a medicine box body and a short-distance communication device. The short-distance communication device is embedded in the medicine box body and protrudes out of the surface of the medicine box body. Compared with the prior art, the utility model solves the problem that the medicine identification technology in the prior art is not suitable for individual use, especially for old people and blind people; according to the scheme, the use of the Internet is avoided in a wireless communication mode, and the information can be read by the adopted short-distance communication equipment as long as the corresponding reading equipment gets close to a certain range, and special alignment is not needed.