37 results about "Low-power electronics" patented technology

The utility model discloses a terrestrial magnetism acquisition device, and belongs to the field of instruments and meters. A shell of the geomagnetic acquisition device is of a cylindrical sleeve structure and comprises a top cover, a middle section and a bottom cover. The battery is arranged between the bottom cover and the middle section; the bracket is arranged above the battery and is positioned in the top cover; the PCB is arranged on the bracket and is connected with the battery; the geomagnetic sensor is arranged on the PCB and is used for collecting geomagnetic signals; the communication unit is arranged on the PCB and used for outputting geomagnetic signals. A cylindrical sleeve structure is adopted to improve the system protection level and facilitate mounting and dismounting; the low-power-consumption design ensures that the long-term outdoor working time is more than 10 years, and the maximum power consumption during working is only 2mA; the geomagnetic sensor collects magnetic field data in real time, the magnetic field data is processed by the communication unit and then output and uploaded to the cloud, efficient collection and transmission of the geomagnetic data are achieved, and the overall performance of the system is improved.

The invention discloses a method for inserting a power switch unit and a string chain in a digital back-end low-power-consumption design, and the method comprises the step of inserting the power switch unit and the string chain in a general script form, and comprises the following steps: inserting the power switch unit in a whole power domain capable of being turned off; inserting the power switch unit in the channel area where the power switch unit is not inserted; the main body power switch units are connected in series; and the channel or the user-defined rectangular area power switch unit is strung. The method can solve the problem that the power domain in an irregular shape or the power domain containing a plurality of channels is difficult to string, is suitable for string of power switch units of different structures, and improves the working efficiency.

The embodiment of the invention discloses a lightweight indoor and outdoor position mark management method and system based on RFID, and is especially suitable for the field of cleaning service management. According to the method, a cleaning worker carries a portable terminal, and the portable terminal is close to a pre-deployed electronic tag to mark that the portable terminal arrives at a designated position, so that digital management of cleaning work is realized. According to the system, the mapping relation between the electronic tag and the self-defined position information is established, the terminal reads the tag identifier, generates a data packet containing the personnel identity and the timestamp and uploads the data packet to the server, and the server analyzes the data packet to generate an accurate position record for an administrator to check. According to the invention, event-driven and low-power-consumption design is taken as a core, accurate marking is realized through position information completely customized by a user, the method has the advantages of low deployment cost, no need of exposing a real geographic position, long terminal endurance and accurate and reliable marking, and the problem that the working track of a worker in cleaning service management is difficult to check accurately in real time is effectively solved.

The invention belongs to the technical field of industrial automation instruments, and particularly relates to a self-powered temperature transmitter, which comprises an explosion-proof cast aluminum shell, a circuit board and a lithium battery, and is characterized in that the circuit board comprises a microcontroller MCU, a signal conditioning circuit, an analog-to-digital converter ADC, a power management circuit and a display driving circuit; the average working current of the whole machine is reduced to a microampere level by adopting multi-stage low-power-consumption design such as an ultra-low-power-consumption MCU, a low-quiescent-current power supply chip, a programmable sampling interval and intelligent backlight control, and the theoretical endurance time can reach several years in cooperation with a high-capacity lithium battery, so that the constraint of an external power supply and a cable is thoroughly eliminated; according to the technical scheme, signal range adaptation is achieved through a programmable gain amplifier on hardware, a full-scale linearization algorithm is built in software, various common industrial temperature sensors such as Pt100, Cu50, K, S, E, J, T and N can be compatible only through panel key selection, and the universality and field applicability of equipment are greatly improved.

The application belongs to the technical field of low power consumption, and particularly relates to a low power consumption design method and device with adaptive voltage regulation. The method comprises the following steps: 1) simulating a key path of an analog-digital circuit, wherein the key path refers to a path with the maximum delay in the digital circuit; 2) generating a test clock signal and a sampling clock signal, and inputting the generated test clock signal into the key path; 3) detecting the output signal of the key path by using the sampling clock signal with the same sampling time and / or different sampling times, and controlling and adjusting the power supply voltage of the digital circuit according to the detection result, so as to determine the minimum power consumption voltage for ensuring the normal operation of the digital circuit. The application uses the key path to represent a complex load, and has simple structure and wide application range. The power supply voltage of the circuit is controlled and adjusted according to the voltage detection result, so that the control precision and the adjustment efficiency are improved, the minimum voltage for ensuring the normal operation of the circuit is determined, and energy saving is achieved.

The application relates to a low-power-consumption designed navigation baseband chip and a running method thereof, the navigation baseband chip is composed of a software end and a hardware end, the hardware end comprises a capture module, a tracking module and a decoding module; the software end comprises a capture tracking control module and a PVT solving module. The tracking module and the decoding module of the hardware end can automatically complete the message text framing and the multi-path parallel message text decoding operation according to the configuration parameters written by the software end, the processing and consumption of integral quantity data of the software end are reduced, the equipment power consumption of the navigation baseband chip is reduced, and the real-time performance of data processing is improved under the condition of ensuring the unchanged normal tracking performance.

This invention discloses an op-amp-free high-precision bandgap reference circuit, belonging to the field of analog circuits. It generates a high-precision reference voltage and detects the completion of the reference voltage startup, outputting an enable signal to control the internal startup logic of the analog circuit, thus completing the timing control of the circuit startup process. The op-amp-free high-precision bandgap reference circuit includes a startup circuit, a reference core circuit, and a reference detection circuit. The startup circuit provides a startup current to the bandgap reference, enabling the reference core circuit to start working. The reference core circuit generates a high-precision reference output voltage. When the bandgap reference successfully starts up, the reference detection circuit outputs a high signal to enable subsequent modules. This invention offers a lower starting operating voltage; it eliminates op-amp clamping, avoiding offset introduced by op-amps and the need for high op-amp gain; and its simple circuit structure allows for a low-power design of the entire bandgap reference.

The application provides a spaceborne optical imaging load, comprising a short-wave camera connected with an on-board processing unit, a data transmission and storage unit and a comprehensive electronic unit; a long-wave camera connected with the on-board processing unit, the data transmission and storage unit and the comprehensive electronic unit; an instrument management and power supply box connected with the short-wave camera, the long-wave camera and the comprehensive electronic unit and a power distributor; and a refrigerator electric control box connected with the short-wave camera, the long-wave camera, the instrument management and power supply box and the power distributor. The application realizes camera focusing through temperature control means, realizes functions such as on-orbit adjustment of camera imaging polarity, generation of test pattern simulation targets, detector temperature protection and refrigerator driving protection, and realizes lightweight and low-power consumption design, reduces the resource demand of the spaceborne optical imaging load on various satellite platforms, and improves the flexibility and fault tolerance capability of on-orbit use.

The utility model discloses a low-power-consumption balance valve, and belongs to the technical field of intelligent heat supply. Comprising a shell, a control panel, a sensing plate, a motor actuator, a battery and a valve body, the shell is divided into an upper shell and a lower shell, the valve body, the motor actuator and the control panel are fixed to the lower shell, the sensing plate is fixed to the motor actuator, and the control panel comprises a voltage stabilizing circuit, a single chip microcomputer, an indicator lamp, a communication module and a Hall switch. The sensing plate comprises an angle potentiometer and a travel switch. The battery is used for supplying power, the circuit board adopts low-power-consumption design, the valve opening degree remote control function is achieved, two-network balance regulation and control in the heat supply field can be participated, and the practical value is high.

The invention belongs to the technical field of communication, and particularly relates to a low-power-consumption single-bus communication encryption chip and an encryption authentication system. Comprising an interface circuit; the invention relates to a digital control circuit, which comprises a digital control circuit, a power-on reset circuit, a power-on reset circuit, a clock circuit, a data decoding circuit and a code modulation circuit, and is characterized in that the data decoding circuit is used for decoding data received by a PA (power amplifier) port and then outputting demodulated data to the digital control circuit; the coding modulation circuit is used for coding and modulating the modulation data sent by the digital control circuit and then outputting the modulation data to the PA port; a digital control circuit, an encryption algorithm circuit and a memory. Based on a low-power-consumption design technology, proportional code level transmission and communication time sequence optimization, the problem that an external energy storage capacitor needs to supply power when a single chip realizes an encryption authentication function is too high in power consumption is solved.

The embodiment of the invention provides an Internet of Things valve controller based on airflow self-power generation and a control system. The controller comprises a valve executing mechanism, a main control circuit board, an airflow power generation module and an energy storage battery. The airflow power generation module pushes permanent magnet fan blades to rotate through airflow in a pipeline, power is generated in a coil according to the electromagnetic induction principle, and electric energy is output after rectification and voltage stabilization. The main control circuit board integrates an ultra-low power consumption MCU, a Bluetooth and CAT1 communication module and a power management circuit. The system enters an extremely low power consumption standby mode when no airflow exists; when airflow passes through, electric energy generated by the power generation module instantly wakes up the system, so that the CAT1 module is immediately connected with the cloud platform and reports state information; in the gas using period, power generation energy is preferentially supplied to the system for operation, surplus electric energy is used for charging the battery, through the airflow self-power-generation and extreme low-power-consumption design, the industrial problems that a traditional internet-of-things valve controller is short in battery endurance and low in reliability are effectively solved, and the ultra-long service life and high reliability are achieved.

The application discloses a small portable underwater positioning signal generating device, which comprises a signal generating and emitting circuit, the signal generating and emitting circuit comprises three logic gates, four capacitors, eight resistors, nineteen transistors, a power supply, a water entry detection sensor, a transformer and an ultrasonic transducer, no programmable processor, crystal oscillator and other complex circuits are used, the device used is less, and no complex programming and burning work is needed; meanwhile, the pulse frequency and the emission frequency of the ultrasonic signal can be quickly tuned through internal resistance, low-power consumption design is adopted at multiple places, and the primary coil of the transformer cannot be directly connected with the power supply to cause instantaneous short circuit; the device has the advantages that miniaturization and low cost are combined, the device is convenient to carry by personnel and small target objects, positioning is carried out through emission of ultrasonic signals, high positioning precision is achieved, after the personnel and the small target objects fall into water, high-precision falling position coordinates of the personnel and the small target objects can be provided, the rescue time is shortened, and the rescue success rate is improved.

The utility model relates to the technical field of discharge lamp power supply, disclose a kind of self-adapting frequency modulation low-power electronic ballast, including ballast equipment, the front and back side of ballast equipment is provided with heat dissipation mechanism, the bottom of ballast equipment is provided with protective shell, the inside of protective shell is provided with protection mechanism, the bottom wall left and right sides of protective shell are provided with mounting mechanism;The heat dissipation mechanism includes two heat-conducting shells, the adjacent side of two The heat-conducting shell is respectively arranged at the front and back side of ballast equipment, and the left and right sides of ballast equipment are threadedly connected with a plurality of mounting bolts.In the utility model, heat exchange is carried out by contacting multiple heat dissipation fins with air, and the spacing between multiple heat dissipation fins is expanded by rotating the heat dissipation fins, achieving the purpose of improving heat dissipation effect and avoiding the situation that the service life of the ballast is reduced due to the entry of dust particles into its interior.

The utility model discloses a sensor data acquisition device based on LoRa technology, and relates to the technical field of unmanned aerial vehicles. Comprising a circuit board and further comprises an STM chip, the bottom of the STM chip is welded to the inner wall of the circuit board through soldering tin, a sensor data acquisition module is welded to the inner wall of the circuit board through soldering tin, and a lithium battery charging and discharging module is welded to the inner wall of the circuit board through soldering tin. The charging and discharging process is intelligently and reasonably controlled according to the electric quantity of the battery, the stable power supply of the device is ensured, the energy consumption of the device is greatly reduced and the endurance time of the unmanned aerial vehicle is prolonged in combination with low-power-consumption designs such as optimization of the acquisition frequency and the sleep mode, and the data acquisition device achieves the purpose of a sensor data acquisition device based on the LoRa technology.

The invention discloses a magnetic lock capable of achieving remote communication and positioning, and belongs to the technical field of intelligent locks and the Internet of Things. The magnetic lock comprises a lock body, a control module, an NBIoT wireless communication module, a GPS / Beidou dual-mode positioning module and a power management module. The NBIoT module is used for realizing remote data interaction between the equipment and a cloud platform and supporting lock state monitoring and control instruction transmission; the positioning module is used for acquiring equipment position information in real time and triggering an alarm when abnormal displacement occurs; the power management module supports combined power supply of commercial power, solar energy and a storage battery, and has a low-power-consumption design. The problems that a traditional magnetic lock cannot achieve remote communication and lacks position sensing capacity are solved, and the magnetic lock is suitable for scenes such as security access control and mobile asset monitoring and has the advantages of being high in reliability, long in standby time and easy and convenient to install.

The invention provides a low-power-consumption SRAM (Static Random Access Memory) data retention self-checking method, a controller and an on-chip system, and relates to the technical field of low-power-consumption design, an SRAM comprises a first voltage domain and a second voltage domain, before the SRAM enters a low-power-consumption state, all storage data of the SRAM is read in the second voltage domain, and the data retention self-checking of the SRAM is realized. Storing a first characteristic value corresponding to the read first storage data to a first voltage domain; after the SRAM is awakened from the low-power-consumption state and the second voltage domain is powered on again, all storage data of the SRAM are read again in the second voltage domain, consistency comparison is carried out on a second characteristic value corresponding to the read second storage data and a first characteristic value stored in the first voltage domain, and according to a consistency result, the SRAM is started. And determining a self-checking result of whether the data of the SRAM is lost or not in the low-power-consumption state. In this way, whether the SRAM data are lost or not in the low-power-consumption keeping state is quickly and reliably self-detected.

The invention discloses an electrolytic bath temperature and voltage wireless acquisition system for taking electricity from an electrolytic bath pole plate, and belongs to the technical field of industrial process monitoring. The system comprises a plurality of wireless acquisition modules, a wireless gateway and a background server. The wireless acquisition module integrates an MCU, a bath temperature acquisition circuit, a bath voltage acquisition circuit, a wireless communication circuit, a bath voltage boost conversion circuit, a lithium battery charging circuit and a lithium battery. According to the invention, a self-power supply technology of taking electricity from an electrolytic bath pole plate and charging a built-in lithium battery is creatively adopted, and a low-power-consumption design and a wireless communication strategy of time-division or periodic reporting are combined, so that the problems of high cost, poor stability and difficult maintenance of a traditional hard wiring mode in a strong-corrosion and strong-electromagnetic-interference environment are solved; real-time, accurate and low-power-consumption wireless monitoring of key parameters of the electrolytic cell is realized.

The invention relates to the technical field of chips, and discloses an interconnection-chip-oriented low-power-consumption control system which comprises a first chip and a second chip which are interconnected through an interaction bus. The first chip is powered by a first external power supply, and a normally open area of the first chip comprises a first low dropout linear voltage regulator and a first normally open device; the second chip is powered by a second external power supply, and a normally open area of the second chip comprises a second low dropout linear voltage regulator and a second normally open device; the interaction bus is configured to control the first normally-open device to communicate with the second normally-open device through the first interaction channel; the second chip further comprises a first power supply detection module and a first isolation device arranged on the first interaction channel; the first power supply detection module is configured to control the first isolation device to isolate the first interaction channel when detecting that the voltage of the first power supply is smaller than or equal to a first threshold value. According to the invention, the low-power-consumption design of the interconnection chip can be realized, and the stable operation of the whole system can be ensured.

A low-power electromagnetic resonant tactile exciter, its design method, and a wearable device are disclosed, belonging to the field of tactile feedback technology. In the exciter: a slit is formed in the middle of a thin-film attachment layer, dividing it into an inner disk and an outer annular band, connected by a fan-shaped cantilever beam; the fixed end of the fan-shaped cantilever beam is fixedly connected to a drive coil layer, and the free end is fixedly connected to a magnet, with a preset central angle to adjust the resonant frequency. The drive coil layer is an annular cylinder made of wound copper wire, surrounding the magnet; an anti-fall-off bottom cover layer is located at the bottom of the drive coil layer. This invention achieves a low-power design for the electromagnetic resonant tactile exciter through multi-parameter collaborative optimization, enabling precise control of the resonant frequency of the tactile exciter to match the sensitive frequency band of the skin; the operating power consumption is only in the microwatt range, and it is integrated into a soft, thin electronic skin through an extendable serpentine connecting line and a perforated, breathable flexible substrate, significantly reducing energy consumption while significantly improving user comfort.

The invention relates to the technical field of data storage of triple quadrupole mass spectrometers, in particular to a reconfigurable memory hybrid architecture applied to a triple quadrupole mass spectrometer. The system comprises a dynamically reconfigurable hybrid memory controller (supporting parallel / hierarchical mode switching), a heterogeneous memory module (DRAM + NVM), an address mapping table (including valid bits / dirty data bits / heat counting), a memory access monitoring module and a page migration module. By dynamically adjusting a memory architecture mode and combining AXI4-QoS bandwidth control and low power consumption design, the access delay of the mass spectrometer is reduced by 42% (45ns), the static power consumption is reduced to 4.8 mW, and the data error rate is 10-12. The invention is suitable for portable mass spectrum equipment in the fields of environmental monitoring and the like, and has remarkable performance and energy efficiency advantages. The problem that the memory requirements of the mass spectrometer in different working stages cannot be dynamically adapted in the prior art is solved.

The utility model provides a kind of voltage stabilizing circuit with negative impedance characteristic and two-wire system valve positioner, the voltage stabilizing circuit includes the voltage dividing unit for carrying out voltage dividing to input voltage, the shunt unit for carrying out shunt processing to the input short circuit of input end of voltage dividing unit and the adjustable voltage stabilizer for adjusting input voltage based on voltage dividing unit and shunt unit, input voltage of input end of voltage dividing unit, the input end of shunt unit is connected the first input end of voltage dividing unit, the two output ends of shunt unit are connected the output end of voltage dividing unit and adjustable voltage stabilizer respectively, the second input end of voltage dividing unit is also connected adjustable voltage stabilizer, so that voltage stabilizing circuit has negative impedance characteristic.The circuit provided by the utility model, input voltage and input current are inversely proportional, so that the input power of two-wire system instrument and meter is increased when small input current, the difficulty of low-power design of complete machine is reduced, equivalent impedance is reduced when large input current, improve equipment applicability.

The application discloses a low-power design method of a digital integrated circuit. The method adjusts input signal probability of the digital integrated circuit to achieve a low-power design target of the digital integrated circuit. According to power voltage of the digital integrated circuit and the input signal probability, the combined effect of the two on aging delay of the digital integrated circuit is used to achieve the low-power design target of the digital integrated circuit. The method comprises establishing an input signal probability propagation model of a key path of the digital integrated circuit, measuring and calculating input signal probability of each logic gate standard cell on the key path. An aging delay prediction model of the digital integrated circuit is constructed, and aging delay of the digital integrated circuit is predicted according to the input signal probability of the standard cell on the key path.

The application discloses a low-power consumption design method of a high-speed trans-impedance amplifier, belongs to the low-power consumption research and development field of the trans-impedance amplifier in an integrated circuit, and aims at solving the problem of large chip power consumption of the current injection technology of the existing high-speed trans-impedance amplifier.The method is characterized in that: tail current of an output driving stage BUFF is injected into the input tube MN1 drain of a preamplifier TIA, so as to reduce or eliminate the large current injected into the input tube MN1 drain through a resistor or a current source, and low power consumption is achieved.

The invention relates to an underground water level monitoring circuit, which comprises a battery, a voltage acquisition and comparison circuit, a mode switching circuit, a sound-light alarm circuit and a leakage and drop control output circuit, and is characterized in that the battery is a 9V lithium battery and supplies power to the voltage acquisition and comparison circuit, the sound-light alarm circuit and the leakage and drop control output circuit; the voltage acquisition and comparison circuit is used for acquiring underground water body resistance and generating two paths of level signals with opposite states through voltage formed by cross comparison; the mode switching circuit is used for identifying the state of the single-pole double-throw switch and changing the working mode of the circuit and the state of a mode indicator lamp; according to the water level detection device, dual-mode switching is adopted to adapt to different water level detection working conditions, mechanical measurement errors are eliminated through probe resistance measurement, endurance is prolonged through the low-power-consumption design, real-time reminding is achieved through the sound-light alarm, and the water level detection device has the advantages of being simple in structure, convenient to use and high in practicability. And the reliability and response efficiency of underground water monitoring are improved.

This invention provides a low-power design method for inserting power gating units and creating a ground grid, comprising: inserting power gating units during the physical implementation layout planning stage to achieve power-off design of macrocell and standard cell regions; completing the cascading of the power scan chain to form a loop chain, facilitating the access of power gating signals from any position; creating the ground grid to enable access of normally-on power supplies and the supply of power to the design by power-off and ground; and inserting boundary cells and tap cells to avoid violations of physical design rules. This method solves problems such as the inability of electronic design automation tools to completely cover the macrocell channel area and adjacent areas above and below when inserting power gating units, the limitations of the power gating signal scan chain on the placement of power gating signal interfaces, and the area waste caused by automatically inserting physical cell tap cells; it can also be used in the physical design of integrated circuits without macrocells.

The utility model discloses an information acquisition device for electronic informatization, which belongs to the technical field of electric power information acquisition and comprises a bottom plate, side frames are mounted on two sides of the top of the bottom plate, and a movable seat is mounted in the center of the top of the bottom plate. According to the utility model, the movable plate is arranged on the outer walls of the four groups of rotating shafts through the threaded holes in a butt joint manner in a threaded connection manner, the power electronic information acquisition cabinet B is placed on the movable plate, and the motor drives and controls the rotating shafts to rotate forwards or reversely, so that the movable plate is synchronously driven to ascend and descend, and the power electronic information acquisition cabinet A is placed on the movable seat; the power electronic information acquisition cabinet B can be installed in the vertical direction, unnecessary installation waste is reduced, the upper power electronic information acquisition cabinet B can be conveniently connected to a high-altitude line, and the situation that the line cannot be connected with the lower power electronic information acquisition cabinet A due to the length is avoided as far as possible.

The invention belongs to the field of intelligent control of valve systems, and particularly relates to a low-power-consumption master control circuit applied to a pneumatic adjusting valve positioner. The MCU module is responsible for valve position setting, self-tuning control, signal collecting and processing and communication management, and system energy efficiency optimization is achieved through low-power-consumption design. The torque motor output module is used for converting the control signal into 4-20mA current to drive the valve to act; the feedback potentiometer acquisition module realizes high-precision acquisition and A / D conversion of valve position signals; the HART and UART communication module supports remote and local communication functions, and meets the requirements of debugging and system integration. The LCD screen and the touch switch module provide on-site man-machine interaction interfaces. The system has the characteristics of automatic self-tuning, low-power-consumption operation, remote communication, strong interference resistance and the like, and is suitable for high-precision control of the intelligent regulating valve in a complex industrial environment. Compared with the prior art, the intelligent level and the system stability are improved, and the system has a wide practical prospect.

The invention provides a disposable temperature-salinity-depth sensor and an acquisition method and system using the same, and belongs to the technical field of ocean monitoring. The disposable temperature-salinity-depth sensor comprises a temperature-salinity-depth composite acquisition module, a low-power-consumption heterogeneous control unit, a depth dynamic trigger unit, a short-time energy storage power supply module and a burst communication unit. According to the acquisition control system, temperature-salinity-depth data are synchronously acquired, the depth change rate and the depth section are taken as two dimensions to realize self-adaptive frequency conversion sampling of electrical variables, and dynamic power consumption management, data compression and burst communication are combined, so that the problem of insufficient data of a key section or redundancy of a non-key section of traditional fixed frequency sampling is solved. Through the full-link low-power-consumption design of'sensing measurement-decision control-electrical variable transmission ', the energy consumption is remarkably reduced and the working time is prolonged while the data integrity of the marine vertical section is ensured, and a low-cost and high-precision solution is provided for rapid marine section monitoring.

The application belongs to the technical field of communication, and particularly relates to a low-power single bus communication encryption chip and an encryption authentication system. The encryption authentication system comprises an interface circuit, a voltage stabilizing circuit and a bias circuit, a power-on reset circuit and a clock circuit, a data decoding circuit and a coding modulation circuit, the data decoding circuit is used for decoding data received through a PA port and outputting demodulated data to a digital control circuit, the coding modulation circuit is used for coding and modulating modulation data sent by the digital control circuit and outputting the modulation data to the PA port, a digital control circuit, an encryption algorithm circuit and a memory. The application is based on low-power design technology, proportional code level transmission and communication timing optimization, and solves the problem of high power consumption of single-chip encryption authentication function and the need for external energy storage capacitor power supply.

The invention discloses a low-power-consumption electromagnetic resonance tactile exciter, a design method and wearable equipment, and belongs to the technical field of tactile feedback. In the exciter, a slit is formed in the middle of a thin film adhesion layer, and the thin film adhesion layer is divided into an internal disc and an external annular belt which are connected through a fan-shaped cantilever beam; the fixed end of the fan-shaped cantilever beam is fixedly connected with the driving coil layer, the free end is fixedly connected with the magnet, and the fan-shaped cantilever beam has a preset central angle to adjust resonant frequency. The driving coil layer is an annular cylinder formed by winding a copper wire and is arranged on the periphery of the magnet to surround the magnet; and the anti-falling bottom cover layer is arranged at the bottom of the driving coil layer. Through multi-parameter collaborative optimization, the low-power-consumption design of the electromagnetic resonance tactile exciter is realized, and the resonant frequency of the tactile exciter can be precisely regulated and controlled to be matched to the sensitive frequency band of the skin; the working power consumption is only a micro-watt level, the flexible thin electronic skin is formed by integrating the extensible snakelike connecting line and the porous breathable flexible substrate, and the wearing comfort of a user is remarkably improved while the energy consumption is greatly reduced.