907 results about "Touch switch" patented technology

The liquefied gas bottle intelligent management terminal comprises an intelligent hand wheel assembly and an angle valve, a shell of the intelligent hand wheel assembly is made of high-temperature-resistant fireproof plastic, a bottom groove of the intelligent hand wheel assembly is matched with a valve element screw of the angle valve and locked through a fixing nut, and a positioning module and a rotation direction sensor are embedded in an upper cover. A battery compartment, a circuit board and an information storage chip are arranged in the shell, and a touch switch is arranged on the outer wall of the shell; the positioning module adopts a multi-band base station positioning chip, and the rotation direction sensor is an integrated sensor of a three-axis gyroscope and an accelerometer; the terminal can collect information such as the position of a gas cylinder and the opening and closing state of an angle valve, and the information is encrypted and uploaded to the cloud server through the wireless communication module. According to the system, the position and the opening and closing state of the gas cylinder can be monitored in real time by integrating the positioning module, the sensing module and the like, the safety of filling information is guaranteed by utilizing a block chain, intelligent early warning of abnormity and cloud analysis of data can be realized, a report can be generated to assist management, and the safety and efficiency of liquefied gas cylinder management are improved.

The invention relates to the related technical field of performance testing, in particular to a performance testing method and system based on an ultrathin touch switch color film.The method comprises the steps that electrical performance testing parameters are configured to be connected with a signal generator and an oscilloscope, touch and force data are introduced, correlation between stray capacitance disturbance signals and time frequency is analyzed, and interference intensity and time delay are determined; and associating the physical defect type mapping failure path to generate a reminding signal. The technical problems that a single-point testing means is limited in analysis capacity for stray capacitance disturbance signals and cannot accurately grasp signal interference characteristics are solved, self-adaptive configuration of electrical performance testing parameters driven by building material parameters is achieved, the testing parameters can be automatically adjusted according to different color film material characteristics, the testing accuracy and effectiveness are improved, and the testing efficiency is improved. And meanwhile, the limitation of the traditional single-point test is broken through, the signal interference characteristics are accurately quantified, the signal interference condition is deeply known, the failure mechanism analysis is combined, the fault source is quickly positioned, and the fault occurrence probability is reduced.

The invention belongs to the technical field of power distribution switches, and particularly discloses a test mechanism suitable for a switch cabinet handle, which comprises a substrate, the upper end of the substrate is fixedly connected with a plurality of support frames, the upper ends of the support frames are fixedly connected with a support plate, and the upper end of the support plate is provided with a transmission groove. A rotating assembly used for rotating the handle is arranged on the base plate corresponding to the transmission groove, a detection assembly used for detecting the insulation state of the rotating handle is arranged on the side, close to the rotating assembly, of the supporting plate, and when the handle rotates along with the second square rod, the first square rod, the transmission block and the trigger protruding block are driven to rotate synchronously. The trigger bump can instantly extrude the micro-touch switch, the power supply module and the resistance detector are started, through a detection loop formed by a lead, insulation resistance changes of the connection part of the handle and the square rod under the action of mechanical friction and stress in the rotation process are accurately captured, dynamic insulation data of the handle are captured, and an electrical property detection test of the handle is realized.

The invention discloses a thickness laser measuring device for corrugated paper packaging box production and a method thereof, and relates to the technical field of laser thickness measuring devices. The concave-convex part of the corrugated board can be extruded through rolling of an air bag of the measurement pretreatment mechanism, flattening is achieved, meanwhile, high-speed airflow generated by an air cylinder purges paper scraps on the surface through air inlet and outlet holes, suction force generated when a piston is reset subsequently can suck the residual paper scraps into a detachable dust collection cylinder, the paper scraps are prevented from blocking a laser light path, and measurement errors are reduced from the source; secondly, in the laser thickness measuring mechanism, a first laser thickness measuring assembly and a second laser thickness measuring assembly move in opposite directions and are matched with the movement of the paperboard along with the conveying belt, measuring point positions in a larger range on the surface of the paperboard can be covered, the contingency of single-point measurement is avoided, a touch switch of a laser thickness gauge can be triggered and starts to work only after the preprocessing mechanism completes the purging action, and the accuracy of measurement is improved. The problem that paper scraps raised during purging interfere with a light path is thoroughly avoided, and the data validity is further guaranteed.

The invention discloses a multi-degree-of-freedom clamping mechanism of an industrial robot. The multi-degree-of-freedom clamping mechanism comprises a control base, a shaft base set and a clamping assembly. A first driving motor and a second driving motor are mounted on the bottom surface of the control seat; the shaft seat group is rotationally mounted on the inner side of the control seat and consists of a ring seat, a first transmission gear, a second transmission gear, a roll shaft and a shaft rod, the first transmission gear is meshed with the first driving motor to realize integral deflection, and the second transmission gear is meshed with the roll shaft through a bevel gear to realize rotary transmission; the clamping assembly comprises a swing seat, a clamping seat and a clamping lug, and a crank gear is driven by a shaft rod and a worm to drive the clamping lug to be opened and closed. And a touch switch is arranged on the guide cover and is matched with the servo control module to realize limiting protection and automatic resetting. The multi-posture clamping mechanism is compact in structure, high in degree of freedom and stable in transmission, multi-posture clamping and intelligent safety control of workpieces can be achieved, and the operation flexibility and safety of the industrial robot are remarkably improved.

The invention discloses a synthetic leather nascent fiber melt extrusion device and a use method, and belongs to the technical field of spinning machines.The synthetic leather nascent fiber melt extrusion device comprises a shell, an injection pipe is installed at the position, close to the upper end, of the left side of the shell, a conveying pipeline is installed at the position, close to the lower end, of the right side of the shell, and a spinneret plate is installed at the right end of the conveying pipeline; and a filter cartridge is mounted in the shell. The motor can drive the filter cartridge to rotate and dynamically change the filtering area, so that the possibility of blockage of the filtering holes is effectively reduced, the uniformity of the filtering process is ensured, excessive blockage of the local filtering area is avoided, and when the filter cartridge rotates, the touch block is utilized to touch the touch switch, so that the filtering efficiency is improved. The electromagnet is instantly controlled to drive the cleaning needle to automatically clean impurities and small bubbles in the filter holes, then the small bubbles are discharged in time by using vibration force during cleaning, and the problem that the bubbles penetrate through the filter holes due to pressure deformation, and spinning is interrupted is solved.

The disclosed device relates to a multiple lighting mode LED lamp. The lamp has an LED assembly with a plurality of white LEDs for a first illumination source, and a plurality of UV LEDs for a second illumination source. The LED assembly is attached to the first end of a flexible support, and a base is attached to the second end of the flexible support. The lamp base incorporates an LED driver module in electrical communication with the illumination sources. A manual touch switch in the base, when touched by a user activates the white LEDs to operate the lamp in a lighting mode. A motion sensor in the form of an infrared induction sensor, is incorporated into the face of the LED assembly for detecting motion. Upon motion being detected, the UV LEDs are activated for a predetermined period of time to operate in UV light mode.

The invention relates to the technical field of chain saws, and discloses a chain saw with a safety protection structure, a second rotating shaft movably penetrates through the interior of a fixed cylinder, a protection frame is fixedly connected to one end of the second rotating shaft and is located on the outer side of a fixed cover body and the outer side of a shell, and the other end of the second rotating shaft is located in the fixed cylinder and movably sleeved with a second torsional spring; the other end of the second rotating shaft is fixedly connected with a push block on the outer side of the second torsional spring, and a touch switch is mounted on the outer side of the fixed cylinder and in the shell. When the chain saw moves downwards to be close to the leg of a person, a blocking frame on a protection frame abuts against the leg of the person, the protection frame is stressed to abut against the bottom of a limiting block and drives a second rotating shaft to rotate, the chain saw is supported through the protection frame, and a saw chain on a guide plate is prevented from being close to the leg of the person; meanwhile, the second rotating shaft rotates to drive the push block to abut against and press the outer side of the touch switch, the circuit is disconnected, the driving motor stops rotating, personnel are prevented from being injured, and guarantee is provided for personnel safety.

The utility model discloses a single-key physical switch circuit and device, and relates to the field of power management, and the single-key physical switch circuit comprises a key detection circuit and an on-off circuit. The key detection circuit is respectively connected with the control end of the MCU chip and the on-off circuit; the on-off circuit is respectively connected with the key detection circuit, the first power supply and the power supply end of the MCU chip; the key detection circuit is used for outputting a conduction signal to the on-off circuit when the input key signal voltage value is greater than an expected threshold value when the key detection circuit is connected to the control end of the MCU chip; and the on-off circuit is used for conducting the connection between the first power supply and the power supply end of the MCU chip when receiving the conduction signal. The utility model aims to solve the problem that the loss current of a host power switch is too high, and a small-current touch switch can be used for replacing a large-current toggle switch to control the startup and shutdown of a host.

The utility model relates to the technical field of electric power engineering measurement, and particularly discloses an electric power engineering measuring device which comprises a counterweight base, the top of the counterweight base is fixedly connected with a box body, one side of the top of the box body is fixedly connected with a fixing plate, the other side of the top of the box body is fixedly connected with a positioning plate, and a guide roller is rotatably arranged in a meter counter. The output end of the hydraulic cylinder is fixedly connected with a push rod, the bottom end of the push rod is fixedly connected with an arc-shaped anti-sliding block, the bottom end of the inner side wall of the vertical plate is rotationally provided with a pressing wheel, the top of the supporting block is provided with a touch switch, the top end of one side of the vertical plate is fixedly connected with a pressing rod, and the other side of the top of the box body is fixedly connected with a displayer. The utility model discloses. According to the cable length measuring device, the length of a cable can be accurately measured through matched use of a vertical plate, an extrusion block, a second compression spring, a pressing rod, a touch switch, a hydraulic cylinder and an insertion rod of an arc-shaped anti-skid block, and the situation that a guide roller rotates automatically after the length of the cable is measured, and consequently deviation of the length value of the cable is caused can be avoided.

The utility model belongs to the technical field of cup covers, and particularly relates to a face recognition cup cover which comprises a bottom cover connected with a cup body, a water drinking opening is formed in the bottom cover, a turning cover and a first elastic piece are rotationally arranged on the bottom cover, a clamping part is arranged on the bottom cover, a driving motor and a clamping piece matched with the clamping part are arranged on the turning cover, and the driving motor drives the turning cover to rotate. The driving motor can drive the clamping piece to move and enable the clamping piece to be separated from the clamping part, so that the first elastic piece can drive the turning cover and the bottom cover to be relatively opened; a circuit board is further arranged on the flip cover, a touch switch and a face recognition device are electrically connected to the circuit board, and the touch switch can start the face recognition device, so that the face recognition device can recognize the face and start the driving motor; the utility model aims to provide the cup cover with the face recognition function, which can be prevented from being accidentally opened and is convenient for a user to use.

The utility model discloses switchable filter cartridge and filter bag dust removal equipment which comprises a box body, the bottom of the box body is fixedly connected with a supporting frame and a hopper, the side face of the hopper is fixedly connected with an air inlet, a discharging opening is formed in the bottom of the hopper, the interior of the hopper is fixedly connected with a flow guide plate, the interior of the box body is fixedly connected with a partition plate, and a filter piece is arranged on the partition plate. A pulse valve is arranged on one side of the guardrail, the bottom of the pulse valve is fixedly connected with a connecting pipe, one end of the connecting pipe is fixedly connected with an air conveying pipe, and air holes are formed in the outer side of the air conveying pipe. Through the hopper, the discharge port, the guide plate, the filter piece, the pulse valve, the air delivery pipe and the air hole, the situation that dust accumulation of the filter piece affects filtering is avoided, switching of the dust removal equipment between the two working states of dust removal and self-cleaning is achieved, a worker is reminded to clean the filter piece in time through the touch switch, and normal use of the filter piece dust removal equipment is ensured.

The invention discloses an alternating current charging pile cable automatic retracting device based on a plug gun, and belongs to the field of electric vehicle charging equipment. The device comprises a shell assembly, an automatic take-up assembly, a charging plug gun assembly and a charging pile mainboard, and all the assemblies work cooperatively. The shell assembly comprises a waterproof plug wire hole, a cable waterproof joint and a protective cover, so that multiple protection is realized; a touch switch is arranged in a gun returning seat of the charging gun inserting assembly, and a take-up signal is triggered after a gun inserting head returns to the original position; the automatic take-up assembly realizes automatic take-up and pay-off and any-length locking of a cable through a take-up wheel, a gear transmission part and a locking mechanism; the charging pile main board is responsible for signal transmission and overall control. The device solves the problems that a traditional cable is easy to wear, tedious in storage, unreliable in take-up and the like, and is convenient to operate, high in protection performance, suitable for the outdoor environment and convenient to maintain, and the service life of the cable is prolonged.

The invention discloses a single-board ski shoe fixer with a power supply system, and belongs to the field of skiing sports equipment. Most existing single-board ski shoe fixers are of mechanical structures, lack electronic functions, cannot supply power and are insufficient in protection performance. The ski shoe fixer comprises a ski shoe fixer body, a control circuit board, a battery, a brass elastic sheet contact, a capacitance touch switch, a charging interface module, a silica gel sealing plug and the like. A GPS positioning module, a Bluetooth communication module and a sound-light alarm device are integrated on the control circuit board, speed and track data can be obtained in real time and transmitted to a terminal through power supply of a battery, and positioning and alarming are achieved when a user is in danger or the snowboard is lost; the battery supplies power to the snowboard electronic device through the brass elastic sheet contact, so that equipment dispersion is reduced, and charging is simplified; the capacitive touch switch, the resin pouring sealant and other protective structures effectively prevent water and mistaken touch, it is ensured that an electronic system reliably operates in the low-temperature humid environment, and the safety, convenience and stability of skiing are remarkably improved.

The utility model discloses a touch keyboard assembly with a sensitive touch function. The touch keyboard assembly comprises a main shell, a cover plate, a control mechanism, a keyboard mechanism and a touch mechanism, a touch control cavity is formed in the main shell, a mounting plate is arranged in the touch control cavity, and the mounting plate is connected in the touch control cavity in a suspended mode through a plurality of first connecting ribs; supporting blocks are fixedly arranged at the four corners of the touch control cavity correspondingly. A second through hole is formed in the center of the mounting plate, and the mounting block is connected in the second through hole in a suspended manner through a plurality of second connecting ribs; the touch control mechanism comprises a touch control circuit board; the touch panel body and the five touch switches are arranged on the two opposite sides of the touch circuit board respectively, the four touch switches are in contact connection with the corresponding supporting blocks respectively, and the fifth touch switch is in contact connection with the mounting block. According to the touch panel, the five touch switches are distributed on the supporting blocks at the four corners and the mounting block at the central position, and the input sensitivity of the touch panel is greatly improved through the suspended connection arrangement of the connecting ribs.

The utility model provides a light touch switch, which comprises a shell, a button and a contact piece group are arranged on the shell, the contact piece group comprises a movable contact piece and a static contact piece, an action block is arranged in the shell, the button is made of silica gel materials, the action block is arranged between the button and the movable contact piece, and the static contact piece is arranged between the movable contact piece and the static contact piece. The number of the contact piece sets is two, the two contact piece sets are symmetrically arranged, the two movable contact pieces are opposite and obliquely extend to the end portion to abut against the lower portion of the action block in a matched mode, the movable contact pieces are arranged in an elastic swinging mode, and the action block can vertically slide under driving of the button or the movable contact pieces. Aiming at the defects in the prior art, the utility model provides the miniature touch switch which is small in size and strong in stability.

The invention relates to the technical field of transformer substation box bodies, and discloses a preassembled energy-saving transformer substation box body which comprises a shell, a base connected to the bottom of the shell and split box doors connected to the two ends and the outer side of the shell. According to the preassembled energy-saving transformer substation box body, through the telescopic function of the first U-shaped flashing board and the second U-shaped flashing board and the cooperative work of the rainfall sensor, the touch switch, the second switch and the first switch, the two flashing boards can be automatically unfolded when the split box door is opened. In this way, a large U-shaped protection area can be formed at the two ends of the shell. When maintenance personnel stand in the U-shaped protection area to carry out maintenance operation, the maintenance personnel can be effectively prevented from being exposed to rain, and smooth work is ensured. The design greatly improves the convenience and efficiency of maintenance operation in rainy days. And through the rotationally arranged storage plate, the maintenance personnel can conveniently place and take the maintenance tools.

The invention relates to an automatic full-coverage water spraying rack for vertical spraying of a battery pack, and relates to the technical field of battery pack testing equipment.The automatic full-coverage water spraying rack comprises a spraying frame, a sliding frame capable of moving up and down is arranged on the spraying frame, a moving table capable of moving horizontally is arranged on the sliding frame, and a spraying nozzle is fixed to the moving table; the sliding frame is provided with a translation mechanism for driving the moving table to move horizontally, the spraying frame is provided with a lifting mechanism for driving the sliding frame to move up and down, the two ends of the sliding frame are each provided with a reversing touch switch for controlling the translation mechanism to switch forwards and backwards, and the moving table makes contact with the reversing touch switches when moving to the end of the sliding frame. Through the structural arrangement, the spraying nozzles can move on one plane, uniform spraying operation on the whole surface of the battery pack can be completed within a certain time, and the spraying detection effect is provided.

The utility model relates to the technical field of cultural relic display equipment, and discloses a cultural relic display mechanism which comprises a base, a rotating table located at the top of the base and a protective cover located above the top of the base. The mounting plate is arranged at the top end in the base, and multiple groups of touch switches are arranged on the outer side of the top of the mounting plate; the supporting ring is arranged at the top of the mounting plate; the convex block is arranged on the outer side of the bottom of the rotating table, a servo motor is mounted in the middle of the bottom of the mounting plate, and a rotating shaft is arranged at the output end of the servo motor. Starting and stopping of the servo motor can be controlled through the control button, the rotating table can be driven to rotate through the servo motor and the rotating shaft, the display screen can play explanation videos of corresponding models by rotating the rotating table by the angle of one storage groove every time and making contact with the touch clamping blocks through the protruding blocks, the models can be conveniently displayed, and the display efficiency is improved. And the effect of the display mechanism is better.

The utility model relates to the technical field of touch control switches, in particular to a transparent touch control switch, which comprises a transparent touch control panel, a control circuit board and a shell, a cavity is arranged in the shell, the control circuit board is arranged in the cavity, and the transparent touch control panel is arranged in the cavity. The transparent touch panel comprises a first part located on the outer side of the shell and a second part located in an inner cavity of the shell, the area of the first part accounts for the preset proportion of the total area of the transparent touch panel, and the preset proportion is 60%-90%; according to the transparent touch panel, the preset proportion of the area of the first part to the total area of the transparent touch panel is limited, and the preset proportion is 60-90%, so that the fixing strength of the touch panel on the shell can be improved, meanwhile, the area of the first part can meet the touch operation experience requirement of a user, the pressure bearing capacity of the touch panel is also ensured, and the user experience is improved. And the service life of the transparent touch switch is prolonged.

The utility model belongs to air bag technical field especially is an air bag pressure intelligent detection device, including work frame, the bottom fixed mounting of work frame has first motor, the output of first motor is provided with second rotating shaft, the top fixed mounting of second rotating shaft has the placement tray. Through the first motor work that sets, make the placement tray drive air bag rotation, through the first electric push rod work that sets, make the pressing plate movement press detection to air bag, through the elastic force that reset spring produces, make second connecting plate support first connecting plate, reduce the damage that impact force causes, when air bag pressure is insufficient, make first connecting plate touch switch, start setting second electric push rod work, make the workboard drive the marker pen movement, realize automatic marking to the air bag that passes, the detection result is clear, improve work convenience, through the second motor work that sets, make the clamping plate rotation reduces the clamping force, carries out the replacement to the marker pen, simple operation, reduce the work difficulty.

The utility model discloses a switch assembly and a mower, and the switch assembly comprises a contact switch, a first operation part which can be vertically and movably disposed on an operation handle, a second operation part which can be rotatably disposed on the operation handle, and a trigger part which is movably disposed on the first operation part. The trigger piece can be driven by the first operating piece to move from the first working position to the second working position, the trigger piece can be driven by the second operating piece to move from the second working position to the third working position, and when the trigger piece moves to the third working position, the trigger piece is suitable for closing and conducting the contact switch. When the touch switch is closed and conducted, the first operation piece needs to be operated firstly and then the second operation piece needs to be operated, the operation modes of the first operation piece and the second operation piece are different, and mistaken touch caused by confusion of the first operation piece and the second operation piece is not likely to happen.

The utility model discloses a portable tool set for bus maintenance, which comprises a box body formed by splicing a front box cover and a rear box cover, single edges of the front box cover and the rear box cover are hinged with each other, and a rechargeable battery box, a lithium battery, a processor, a storage unit, a Bluetooth module and a plurality of appliance grooves for placing detection instruments or tools are arranged in the box covers. A touch pressure switch which can be in contact with the surface of the placed detection instrument and is extruded is arranged in the instrument groove for placing the detection instrument, the rechargeable battery box, the lithium battery, the Bluetooth module, the touch pressure switch and the storage unit are all electrically connected with the processor, and the detection instrument is provided with the Bluetooth module. And the touch switch feeds back a switch signal to the processor through contact or extrusion. And if the detection instrument is taken out for use, the processor knows that the detection instrument is taken out for use, further instructs to drive the Bluetooth module arranged in the box cover to actively search the Bluetooth module corresponding to the detection instrument, is connected with the Bluetooth module, returns detection data acquired by the detection instrument, and places the detection data into the storage unit, so that automatic data reading and storage are realized.

The utility model provides a switch assembly and a vehicle, and relates to the technical field of vehicle accessories. The switch assembly comprises a body, a rotating piece arranged on the body, a first circuit board arranged on the body, a control assembly connected with the rotating piece, and an elastic clamping piece arranged on the body. The rotating part is provided with a plurality of magnetic parts and a plurality of positioning grooves which are distributed in the preset direction, the magnetic poles of any two adjacent magnetic parts are opposite, each positioning groove corresponds to one magnetic part, the first circuit board is provided with a touch switch and a magnetic field sensor, and the control assembly is used for driving the rotating part to rotate relative to the body in the preset direction and triggering the touch switch. The elastic clamping piece can slide out of one positioning groove and be clamped into the other adjacent positioning groove when the rotating piece rotates by a preset angle relative to the body in the preset direction. According to the switch assembly provided by the invention, the use number of the switches is reduced, but the control on multiple vehicle functions is met, so that the multifunctional control and the miniaturization design are considered.

The invention discloses a central domestic hot water energy-saving control method and system, and relates to the technical field of hot water energy-saving control methods.The central domestic hot water energy-saving control method comprises the steps that S1, a self-locking countdown mutual inductance device is adopted to send a starting signal to a controller, and the controller controls the running time of a water pump of a central hot water system according to the time period set by a user; s2, based on a time period set by a user, a point contact type switch is adopted to start a water pump, the water pump runs for 6-15 minutes, cold water retained in the hot water pipe is circulated back to the water storage tank, and the water temperature of the pipeline is increased; s3, after the set running time is up, the water pump automatically stops running, subsequent hot water supply depends on municipal water pressure conveying, and energy consumption and equipment loss are reduced; by adopting the self-locking countdown mutual inductance device, accurate control over the operation time of the water pump is achieved, the hot water system can automatically circulate hot water in off-peak periods, energy consumption caused by all-weather operation is reduced, the operation process of a user is simplified through the design mode, and use convenience is improved.

The utility model discloses a novel touch switch, which belongs to the technical field of touch switches and comprises a switch body, a reed, a gland and a columnar key. A containing groove is formed in the upper surface of the switch body, the reed is installed at the bottom in the containing groove, the gland covers the upper end of the switch body, and the columnar key is installed in a columnar key hole formed in the upper surface of the gland in a sliding mode. A springback assembly is arranged in the containing groove and located above the reed, and the edge of the reed is integrally provided with an upwards-warped inclined ring piece. According to the utility model, the edge of the reed is integrally provided with the tilting inclined ring sheet, and the springback assembly is arranged above the inclined ring sheet; when the columnar key is released, the resilience force of the resilience assembly enables the outer side of the inclined ring piece to move downwards, the spring piece is assisted to restore, and the situation that the spring piece cannot restore is avoided. And the lower part of the reed is connected with the spherical arc sheet with an upward opening, so that the reed is easier to contact with the contact at the bottom in the accommodating groove, and the pressing triggering effect is improved.

The utility model discloses a waterproof and dustproof light touch switch, which comprises a base, a reset conduction piece, a waterproof shell, a circuit board and the like, and is characterized in that a first sealing ring is arranged between the base and the reset conduction piece to prevent water and dust from invading from the bottom; a second sealing ring arranged between the waterproof shell and the sensing piece prevents water and dust from invading from the top; the third sealing ring arranged outside the clamping groove in a sleeving mode prevents external water and dust from invading, triple sealing is conducted from the top, the bottom and the outside, and water and dust are effectively prevented from invading from all connecting positions. Meanwhile, the waterproof coating wrapped on the circuit board greatly reduces the fault probability of short circuit, poor contact and the like. The waterproof shell adopts a composite structure of the inner hard layer and the outer elastic layer, the inner hard layer provides strength, the outer elastic layer enhances buffering, and the stable connection of the elastic clamping block and the clamping groove between the base and the waterproof shell is combined, so that the stress is dispersed, and the structural stability and durability are improved.

The utility model relates to the technical field of water level monitoring for hydraulic engineering, in particular to a water level monitoring device for hydraulic engineering, which comprises a mounting seat, a water level monitoring mechanism and a water level sensor. The enclosure mechanism comprises an enclosure cylinder fixedly connected to the top end of the mounting base, the lower end of the surface of the enclosure cylinder is rotationally connected with a filter cylinder, and the lower end of the surface of the filter cylinder is rotationally connected to the top end of the mounting base; according to the device, the water level monitoring mechanism is enclosed through the enclosing cylinder and the filter cylinder, and compared with an existing mode that impurities are easily attached to the top end of a floating layer and a touch switch is easily touched by mistake, the mode prevents the impurities in water from being attached to the end of the floating plate ruler, so that the situation that the floating plate ruler touches the switch by mistake is avoided; large impurities are prevented from being attached to the surface of the filter cylinder through the multiple stop levers, the probability that the filter cylinder is blocked is reduced, and then the amount of water flowing into the surrounding cylinder is guaranteed.

The utility model relates to the technical field of pharyngoscopes, and provides an automatic trigger type anesthesia pharyngoscope, which comprises a peep sheet and a handle, the peep sheet comprises a peep sheet main body, a diode is arranged in the peep sheet main body, the diode is connected with a battery pack, the diode and the battery pack are respectively connected with a touch switch, the touch switch is arranged at the tail end of the peep sheet main body, and the handle is arranged on the peep sheet main body. The handle comprises a handle main body, the handle main body is connected with a handle cap, and the handle cap is provided with an elastic pressing sheet matched with the touch switch; a touch type circuit switch structure is adopted, when the sight sheet is adjusted to be in a working state, the elastic pressing sheet abuts against the light touch switch to switch on a circuit, automatic switch-on and switch-off of the lighting device are achieved when the anesthetic pharyngoscope is used, integrated parts in the handle are simplified, the problems that assembly is difficult and cost is increased due to too many parts are solved, and the service life of the anesthetic pharyngoscope is prolonged. Meanwhile, manual switching is not needed when the anesthesia pharyngoscope is used, the operation process is simpler and faster, and timeliness of operation and treatment is guaranteed.

The present invention provides a low-power control system for a handheld device and its control method, which can intelligently control the brightness of the LED of the handheld device and reduce power consumption. It includes electrically connected: a wake-up module, the wake-up module includes a vibration switch, and the wake-up module provides a wake-up signal through the vibration switch; an LED module, the LED module includes an LED lamp; a brightness adjustment module, the brightness adjustment module includes a touch switch, and the brightness adjustment module provides a brightness adjustment signal through the touch switch; an MCU module, the wake-up module, the LED module, and the brightness adjustment module are respectively connected to the I / O ports of the MCU module. The MCU module receives the wake-up signal generated by the vibration switch closing and conducting the circuit, outputs a voltage to light up the LED lamp of the LED module. The MCU module receives the brightness adjustment signal generated by the touch switch closing, and adjusts the duty cycle of the output voltage and the brightness of the LED lamp through PWM control; a power supply module is used for power supply.