69results about How to "Work reliably" patented technology

The application relates to a full-mechanical automatic tracking self-balancing variable current voltage stabilizing device and a use method thereof, which comprises a main pipe and two gear connecting rod combined mechanisms arranged on the two sides of the main pipe respectively; the gear connecting rod combined mechanism comprises a bellows, a pressing plate pressed on one end of the bellows far from a water inlet pipe, and a pressing rod pressed on the hose; one end of the bellows is sealingly connected with the pipe wall of the water inlet pipe, the other end is sealingly fixedly connected with the pressing plate, a supporting rod extending away from the bellows is fixed on the pressing plate, a spring is connected with one end of the supporting rod far from the pressing plate, and the other end of the spring far from the supporting rod is fixedly arranged; the gear connecting rod combined mechanism further comprises a driving gear and a driven gear which are mutually meshed. The application changes the flow area of the hose through the gear transmission mechanism of each connecting rod and the expansion and contraction of the bellows when the water pressure changes, so that the flow is stored and the pressure is increased when the pressure is low, the municipal end water pressure is prevented from being lower than the minimum allowable value due to excessive secondary water supply and water taking, no external power is needed, and the automatic tracking and self-balancing functions are achieved.

This application discloses an electrostatic chuck voltage filtering method, controller, and electrostatic chuck system. The method includes: acquiring voltage sampling data of the electrostatic chuck; determining the target operating condition type of the electrostatic chuck based on the voltage sampling data; adjusting a preset Kalman filter based on the target operating condition type to obtain an adjusted Kalman filter; and filtering the voltage sampling data based on the adjusted Kalman filter. This application can identify the target operating condition type of the electrostatic chuck and adaptively adjust the filtering parameters of the Kalman filter based on the target operating condition type, so that the driving voltage output by the Kalman filter quickly approaches or matches the actual driving voltage, thereby controlling the operation of the electrostatic chuck in a timely, fast, and high-precision manner, ensuring that the electrostatic chuck can operate reliably, stably, and with high precision.

The invention belongs to the technical field of electronic countermeasures, and particularly relates to a distributed jammer closed-loop coherent control method based on synthesis effect feedback, which comprises the following steps of: modeling signal coherent synthesis efficiency, acquiring coherent synthesis efficiency of a jammer A and a jammer B under different phase differences under an error-free condition, and calculating the coherent synthesis efficiency of the jammer A and the jammer B; establishing a phase difference-coherent combination efficiency mapping relation reference database; a-B jammer phase correction is carried out; and jammer A-C correction is carried out. According to the method, the robustness and the engineering practicability are remarkably improved; the cost, the power consumption and the complexity are effectively reduced; according to the invention, by taking a synthesis effect as a guide, the harsh requirement on the absolute space-time precision of a single node is relaxed, common commercial devices with lower cost and lower precision are allowed to be used for construction, and meanwhile, the complexity of initial calibration and setting is simplified, so that the hardware cost, power consumption and deployment and maintenance difficulty of the whole distributed mode are greatly reduced; and the dynamic self-correction and long-term stability capabilities are endowed.

This invention discloses a wellbore plugging device and its operating method. The device is used to plug the casing of oil and gas wellheads under high-pressure or ultra-high-pressure testing conditions. It includes a central tube with an upper end and a lower end connected to its upper and lower ends, respectively. From the upper end to the lower end, a first conversion assembly, a sealing assembly with at least one sealing rubber sleeve, an anchoring assembly, and a second conversion assembly are sequentially fitted onto the central tube between the upper and lower ends. The first and second conversion assemblies are threadedly connected to the central tube. When the central tube is rotated clockwise or counterclockwise, the first and second conversion assemblies move towards or away from each other along the axis of the central tube. A volumetric tube is provided between the sealing assembly and the central tube, and is fixedly connected to the central tube. The upper end of the volumetric tube and the lower part of the first conversion assembly cooperate to form a bypass structure. The wellbore plugging device of this invention is reliable in operation and can withstand high-pressure sealing.

This application provides a motor load adaptive adjustment method based on analog circuits, relating to the field of motor control technology, including the following steps: converting the load current in the motor circuit into a first voltage signal, and generating a mode selection signal based on the amplitude and rate of change of the signal; wherein, when the amplitude of the first voltage signal exceeds a first threshold and its rate of change exceeds a second threshold, the mode selection signal indicates a dynamic response mode; otherwise, the mode selection signal indicates a steady-state adjustment mode; when the indication is a steady-state adjustment mode, the first voltage signal is introduced into a first path, which includes a first error amplifier with a first proportional coefficient; when the indication is a dynamic response mode, the first voltage signal is introduced into a second path, which includes a second error amplifier with a second proportional coefficient greater than the first proportional coefficient; generating and outputting a motor drive signal according to the adjustment signal output from the selected path.

The utility model provides a kind of underwater high-precision servo self-stabilizing motion device, including outer orientation rotating assembly, inner orientation rotating assembly, inner pitch rotating assembly, servo control driving assembly and base cylinder, wherein outer orientation rotating assembly is mainly used to isolate the influence of external environment to inner frame system and load, ensure the accurate control of stable loop;Inner orientation rotating assembly drives instrument to realize inner orientation rotation in limited angle range, and inner pitch rotating assembly drives instrument to realize pitch rotation in limited angle range;Device adopts two-axis three-frame structure, designs stable transmission mechanism and high-precision control system, and has good stability, high control precision, strong load and adaptability, solves the technical problems such as structure insensitivity, insufficient stability and poor adaptability, and realizes underwater high-precision coordinated motion, fast and accurate aiming and tracking target, obtains stable, clear target image and video information, and can be widely applied in optoelectronic stable platform, underwater robot, underwater exploration operation and other fields.

The utility model provides a solar energy chestnut drying equipment. Solar energy chestnut drying equipment includes: the drying box of top fixed mounting has solar energy panel, drive gear shaft, drive gear shaft rotates the installation in drying box, synchronous gear shape area, synchronous gear shape area is equipped on drive gear shaft, and fixed mounting has support block, holds the disc, holds the disc for placing chestnut setting between synchronous gear shape area, and with support block is contacted, hot -blast pipe, hot -blast pipe fixed mounting is in drying box, is used for introducing hot blast to drying box, exhaust pipe, exhaust pipe fixed mounting is in hot -blast pipe, and extends to drying box. The utility model provides solar energy chestnut drying equipment has a plurality of air outlet, increases hot blast guiding mechanism simultaneously, improves the evenness of hot blast advantage.

This invention discloses a fiber Bragg grating level sensor based on liquid pressure conversion, comprising a fiber Bragg grating demodulator, a 2×1 fiber coupler, a transmission fiber, and a sensing unit. The sensing unit consists of a strain-sensing fiber Bragg grating, a temperature-compensated fiber Bragg grating, a sealed cylinder, a support beam, a pressure block, a pressure tension frame, a sealing membrane, and a stop. The pressure block and the pressure tension frame convert liquid level changes into longitudinal displacement changes, causing axial strain in the strain-sensing fiber Bragg grating. This results in a drift in the center wavelength of the strain-sensing fiber Bragg grating, and the liquid level height of the container is measured by monitoring this wavelength change. This invention eliminates the influence of temperature on the liquid level measurement results through a temperature-compensated fiber Bragg grating, offering advantages such as a large measurement range, good practicality, simple structure, low cost, good stability, high sensitivity, and safety and reliability, meeting the needs of measuring liquid levels in large storage tanks and other applications.

This invention discloses an automated terminal equipment operation status monitoring device and method, belonging to the field of power distribution automation equipment monitoring technology. The device consists of an MCU, a current signal acquisition module, a voltage signal acquisition module, a temperature acquisition module, an A / D converter module, a power supply module, an alarm module, a communication recording module, a data storage module, and a display module. Each module is electrically connected according to a preset configuration to form a complete monitoring architecture. Based on this device, the method sequentially executes the following steps: system initialization self-calibration, multi-source signal synchronous acquisition and preprocessing, fault judgment threshold dynamic correction, multi-dimensional feature fusion fault analysis, hierarchical linkage response and data partitioning storage, and cyclic monitoring. This invention improves the accuracy of fault detection and analysis, can quickly locate faults and respond hierarchically, significantly shortens repair time, effectively improves the operation and maintenance management capabilities of terminal equipment, and ensures the safety of power distribution networks and equipment.

This invention relates to the field of touch detection circuit technology, and more particularly to a high-sensitivity touch detection circuit, comprising: a touch analog circuit, a touch digital circuit, and a CPU processor. The touch digital circuit includes a counter circuit, a latch circuit, a subtractor circuit, and a comparator circuit. This invention uses a simple digital detection circuit to detect touch events and reduces false alarms or missed detections by comparing with a configured threshold, making the touch detection circuit more reliable and meeting the higher requirements of next-generation MCUs for touch detection. It can be applied in MCU systems, suitable for 32-bit and 8-bit MCU series products. Charge is transferred from on-chip I / O capacitors to on-chip capacitors. When a touch action occurs, the capacitance for charge transfer increases, leading to a decrease in the number of transfers. The digital circuit determines whether a touch event has occurred by detecting the number of transfers.

This utility model relates to the field of electrical connectors that allow relative movement between coupled components, such as floating or automatic mating, and particularly to a floating socket and a floating connector. The floating socket includes a floating insulator and socket terminals. The socket terminals include a plug end, a fixed end, and a floating portion located between the plug end and the fixed end. The plug end is fixed to the floating insulator. The fixed end of the socket terminal is connected to a fixing seat for fixing the floating socket. The fixing seat includes a socket housing and two or more insulating blocks fixed relative to the socket housing. The fixed end of the socket terminal is assigned to different insulating blocks and fixed by the corresponding fixing blocks. This utility model's floating socket solves the problem of low yield caused by the difficulty in manufacturing the fixed insulator in existing floating sockets.

This disclosure provides a photosensitive component and terminal device, relating to the field of electronic technology. The photosensitive component includes a photosensitive element and a light guide; the light guide includes a light-inlet surface and a light-outlet surface; the light-inlet surface and the light-outlet surface are located at two opposite ends of the light guide, allowing light to enter along the light-inlet surface, be transmitted through the interior of the light guide, and then exit along the light-outlet surface; the photosensitive element is located on the side containing the light-outlet surface; the photosensitive element has a photosensitive effective area, the area of ​​the light-outlet surface is greater than or equal to the area of ​​the photosensitive effective area, and the entire photosensitive effective area is located within the light-outlet surface, with the light emitted from the light-outlet surface covering the entire range of the photosensitive effective area. The photosensitive component of this disclosure allows the light emitted from the light-outlet surface to cover the entire range of the photosensitive effective area, ensuring that the photosensitive effective area of ​​the photosensitive element directly receives 100% of the external ambient light. Even when the photosensitive element is not aligned with the light-transmitting gap, it can still receive external ambient light with a sufficiently large field of view, guaranteeing the reliable operation of the photosensitive element.

This invention discloses a honeycomb box with a moisture-proof bottom structure, relating to the field of honeycomb box technology. It includes a box body and a cover made of honeycomb cardboard. A bottom plate is provided at the bottom of the box body, comprising a support portion, a buffer portion, and a base plate. The support portion is used to close and support the bottom of the box body. The base plate is made of a rigid material and forms the base for placing the box. The buffer portion is located between the support portion and the base plate. The buffer portion includes multiple buffer blocks made of honeycomb cardboard and spaced apart. A compensation component is also provided inside the bottom plate, including an elastic component and a locking component. This honeycomb box with a moisture-proof bottom structure, through a triggerable mechanical compensation mechanism, automatically activates the rigid support after detecting that the box body has softened due to moisture, thus automatically switching to a wet-state strengthening mode. This effectively solves the core problem of the rapid strength loss of traditional cardboard boxes in humid environments.

This utility model relates to the field of fishing tackle accessory manufacturing technology, specifically to an embedded automatic adjusting brake device and fishing reel with a reasonable structure and simple operation. It includes a spool and a spool bracket. The spool is mounted on the spool bracket via a rotating shaft, and the spool bracket also has a side cover. The key feature is the inclusion of a magnetic component, which includes a support sleeve coaxially arranged with the spool. One end of the support sleeve is connected to the side cover, and the outer wall of the other end of the support sleeve has a magnet fixing hole. The outer diameter of the support sleeve is smaller than the inner diameter of the spool drum. The end of the support sleeve extends into the spool drum. The magnet is slidably mounted in the magnet fixing hole via an elastic component. When the spool rotates, it cuts the magnetic lines of force around the magnet, causing the magnet to extend out along the magnet fixing hole, thus reducing the gap between the magnet and the spool.

This invention discloses a mechanical limiting and hydraulic cylinder coordinated driving mechanism for the inner pull-out mechanism on the top side of a two-color injection mold, relating to the field of two-color injection mold technology. The mechanism includes an inner pull-out shovel base and a limiting drive rod fixed to the fixed mold side, and a hydraulic cylinder, an inner pull-out steering block, an inner pull-out main body, and a limiting slider disposed on the moving mold side. The limiting slider has a limiting groove, and the limiting drive rod has an inclined portion that cooperates with it. The inner pull-out steering block has a limiting hole, and the limiting slider can be inserted into or removed from the limiting hole under the action of an elastic element. During mold opening, the limiting drive rod separates from the limiting groove, and the elastic element drives the limiting slider to lock the inner pull-out steering block, preventing it from falling. During mold closing, the limiting drive rod drives the limiting slider to unlock via the inclined surface, and then the inner pull-out shovel base precisely resets the inner pull-out steering block. This invention, through a purely mechanical limiting structure, eliminates the risk of the top side slider falling during power switching, improves reset accuracy, eliminates the auxiliary hydraulic cylinder, simplifies the mold structure, and reduces costs.

The embodiment of the present application discloses a kind of multiplexer and communication equipment, the multiplexer includes a transmitting port, at least one receiving port, at least one antenna port, filter set and switch.The fixed end of switch is connected with the first TDD filter in filter set, the first free end of switch is connected with the output end of the second TDD filter in filter set, and the second free end of switch is connected with one of receiving port;Transmitting port is connected with the input end of FDD transmitting filter in filter set and the input end of second TDD filter, and the output end of FDD receiving filter in filter set is connected with one of receiving port;The output end of FDD transmitting filter, the input end of FDD receiving filter and the first TDD filter are respectively connected with one of antenna port.Using the embodiment of the present application can improve port multiplexing rate and reduce circuit area under the premise of ensuring the reliable work of FDD and TDD.

This invention proposes a long-life electric radiant tube heater, comprising an iron-chromium-nickel alloy heating wire, a ceramic body frame, a radiant tube sleeve, and heat dissipation fins. The iron-chromium-nickel alloy heating wire is threaded onto the ceramic body frame, and the iron-chromium-nickel alloy heating wire and the ceramic body form the electric heating core of the electric radiant tube. The radiant tube sleeve is fitted over the outside of the ceramic body frame, and the heat dissipation fins are fixed to the outer wall of the radiant tube sleeve to enhance heat dissipation. The long-life electric radiant tube heater proposed in this invention, by adding heat dissipation fins to the outside of the radiant tube sleeve, can improve heat dissipation efficiency, reduce the heat load on the material, and thus extend its service life.

This invention provides a hydraulically controlled lift valve and hydraulic system with throttling control function. The hydraulically controlled lift valve includes a first connection port, a second connection port, an unloading valve, a main control valve, and a logic valve. When the main control valve is in the neutral position, the first connection port is connected to the unloading valve through the main control valve, and the second connection port is locked. When the main control valve is in the lifting position, the first connection port is connected to the second connection port, and the unloading valve is closed. When the main control valve is in the lowering position, the unloading valve can be opened. The valve core of the main control valve has a fixed throttling orifice and a variable throttling groove. This hydraulically controlled lift valve enables the load device to perform holding, lifting, and lowering actions; the main control valve can achieve throttling control, which can improve the valve's micro-control performance and ensure the safety of the machine; the unloading valve can be piloted by the main control valve to reduce pressure loss; the logic valve can be piloted by the main control valve, ensuring reliable operation.

The application discloses a gear grinding fixture, which comprises a body, a base, a tensioning sleeve, a pull rod and a piston, wherein the body is detachably connected with the base, and a piston cavity is formed in the base; a bottom plate is arranged on the lower end cover of the base, an annular positioning boss is arranged on the upper end surface of the bottom plate, the positioning boss extends into the lower end of the piston cavity, and a first sealing ring is arranged between the outer circumferential surface of the positioning boss and the inner circumferential surface of the piston cavity; the piston comprises a small-diameter upper section, a large-diameter middle section and a small-diameter lower section which are sequentially connected in sequence; the outer circumferential surfaces of the small-diameter upper section and the large-diameter middle section are respectively provided with second and third sealing rings between the outer circumferential surfaces and the inner circumferential surface of the piston cavity; the small-diameter lower section extends into the positioning boss downwards, and a fourth sealing ring is arranged between the circumferential surfaces of the small-diameter lower section and the positioning boss; a positioning hole is concavely arranged on the lower end surface of the small-diameter lower section, a positioning column is detachably connected on the bottom plate in correspondence, the positioning column extends into the positioning hole upwards to form an up-and-down sliding fit, and a first positioning pin is arranged between the large-diameter middle section and the base. The structure has a good piston positioning effect and is stable and reliable in movement.

The utility model relates to circuit breaker technical field discloses a special outdoor circuit breaker with dustproof and waterproof structure, including the support for fixing multiple circuit breakers outdoors, one end of support is fixedly connected with the outdoor circuit breaker for stabilizing outdoor circuit, the inner chamber of upper and lower sides of support center respectively is screw thread and is provided with the fixed structure for connecting outdoor circuit breaker and external connecting end, the dustproof and waterproof assembly for improving dustproof and waterproof performance of outdoor circuit breaker is fixedly arranged on both sides of outdoor circuit breaker, when installing the special outdoor circuit breaker, first, the support is stably fixed in the installation position outdoors, and stable support is provided for the whole device. Then, by rotating the adjusting stud in the fixed structure, the connecting shaft is driven to slide in the inner cavity of the support, thereby adjusting the position of the fixed joint, so that it is aligned with the external connecting end. When the position is determined, tighten the adjusting ring, and use the friction between the adjusting ring and the support to fix the adjusting stud to prevent it from moving.

The application discloses an online monitoring PLC control cabinet and belongs to the technical field of PLC control cabinet manufacturing, which comprises a cabinet body and a dustproof box, the dustproof box is fixedly installed on the upper surface of the cabinet body, a clamping assembly is arranged in the dustproof box, the clamping assembly comprises a plurality of first telescopic rods installed in the dustproof box, a first spring is sleeved on the outer wall of each first telescopic rod, the telescopic ends of the plurality of first telescopic rods are fixedly connected with a clamping block, a clamping groove is formed in the dustproof box, and a dustproof plate is clamped between the clamping block and the clamping groove. The clamping assembly composed of the first telescopic rods, the first springs and the clamping block is arranged in the dustproof box, the dustproof plate is quickly clamped and positioned in cooperation with the clamping groove, the dismounting operation is simple and fast, the maintenance difficulty and the labor cost are reduced, the problem that the air inlet is not smooth and heat dissipation is blocked due to dust accumulation and difficult cleaning is avoided, and the long-term stable and reliable work of the dustproof structure is ensured.

The utility model relates to sensor technical field and disclose a sensor probe with protection structure, including device main part: the bottom of device main part is provided with sensor probe body, the outside of sensor probe body is provided with protection shell, the bottom of device main part is set up to have installed groove, the protection shell is installed in the inside of installed groove, the protection shell adopts high -strength plastic and is made, both sides of device main part are all fixed with L type board. The sensor probe with protection structure, through setting up protection shell, utilize the protection shell solid shell to protect sensor probe body, avoid sensor probe body and damage because accidental collision or impact, to guarantee its long -term stable, reliable work, improved the service life of sensor probe body, and through setting up installed groove and fixed mechanism, it is convenient to install and dismantle to protection shell to the sensor probe body is overhauled or replaced to the sensor probe body is overhauled or replaced.

The utility model relates to a control circuit for tire balancing machine, including a plurality of capacitive touch sensor for producing finger approach signal, touch detection circuit is connected to each capacitive touch sensor's front end respectively each input, for converting the finger approach signal that capacitive touch sensor produced is the stable level signal, signal conversion circuit is connected to each output of touch detection circuit through isolation circuit respectively each input, its each output is connected to the different IO pin of main control circuit respectively, for converting the level signal is the matrix key signal, main control circuit is used for controlling the action of tire balancing machine or tire changing machine according to the matrix key signal received, power supply circuit is used for the power supply of touch detection circuit and isolation circuit. Adopt the circuit of the utility model can effectively improve tire balancing machine or tire changing machine's control circuit's life, and its work reliability.

The utility model relates to the optical module field's curved surface UVLED optical module convenient to splice, including mounting panel, its upper surface evenly arranges module seat, module seat upper surface is equipped with UVLED chip array, installs aspherical lens layer on array. Module seat bottom installs splicing block, and there is splicing slot on the mounting panel, and splicing block inserts splicing slot and realizes preliminary splicing positioning, and it is convenient for quick combination multiple module. The installation slot is opened in the splicing block, and the butt -joint block is inserted, and the butt -joint slot is opened in the inwall butt -joint slot of splicing groove and installs electromagnet array, makes the butt -joint block insert butt -joint slot through electromagnet array, and the splicing stability is strengthened. The design can effectively prevent the module after splicing from appearing loose or separating due to factors such as vibration in the use process, ensure that the curved surface UVLED optical module after splicing works stably and reliably, satisfy the demand for splicing convenience and stability of the curved surface UVLED optical module in practical application.

The application relates to the technical field of medicinal material processing, in particular to a white peony root medicinal material processing device and production process, which comprises a first conveying belt, the outer side of the first conveying belt is uniformly provided with grooves along the width direction, and the inner wall of the groove is paved with a rubbing part; a rubbing and washing mechanism comprises a guide part arranged along the advancing direction of the first conveying belt and a plurality of top strikers penetrating through the groove and connected with the rubbing part, the top striker moves along the track of the guide part when cooperating with the guide part, the rubbing part is deformed to rub and wash the medicinal materials wrapped therein, and the cleanliness of the mud and dirt on the surface of the medicinal materials is effectively improved.

This invention discloses a probe-based water level detection method, device, and steam oven, comprising: draining residual water from the water tank to be tested when the steam mode is activated; controlling a water pump to add water to the water tank to reach the maximum water level; acquiring the first pulse value generated when the probe detects the water level, and determining a judgment value based on the first pulse value; controlling the evaporator to start heating, and acquiring the real-time pulse value generated when the probe detects the water level during the evaporator heating process; determining the water level of the water tank to be tested as low when the real-time pulse value is less than the judgment value. This invention provides a technical solution to adjust the water level judgment value in real time according to the working status of the steam oven, thereby reducing the misjudgment rate in the water level judgment process, improving the accuracy of water level detection, and ultimately enhancing the user experience.

The utility model relates to the technical field of ash vibration conveying systems, and discloses a power station boiler ash vibration conveying system which is composed of a high-temperature-resistant vibration conveyor, a boiler body, a slag cooling device, a bucket elevator, a spiral material conveying machine and a slag bin. A slag inlet and a slag outlet are formed in the slag cooler, the slag cooler is connected with a slag discharging opening of the boiler body, the slag outlet is connected with a slag inlet of a slag storage box, a valve is arranged at a slag outlet of the slag storage box, and the slag outlet of the slag storage box is connected with a feeding opening of a high-temperature-resistant vibration conveyor. According to the power station boiler ash vibration conveying system, the high-temperature-resistant vibration conveyor is adopted to replace a scraper conveyor, a rubber belt conveyor and a chain bucket conveyor, and the phenomena of material clamping, material blocking, environmental pollution and the like in the conveying process are avoided.

The application is a kind of impeller blade for full hydrogen strong convection cover type annealing furnace platform fan, which is used to increase the heat obtained by steel coil during the use of full hydrogen strong convection cover type annealing furnace. The blade body of the impeller blade for full hydrogen strong convection cover type annealing furnace platform fan includes vertical flat piece and curved piece, and the curved piece is connected to the upper side of the vertical flat piece. The rear surface of the curved piece is part of a conical surface, and the front surface is parallel to the rear surface. The generatrix of the conical surface is the intersection line of the rear surface of the vertical flat piece and the rear surface of the curved piece. The apex of the conical surface is located between the center line of the impeller and the intersection line. The rotation axis of the conical surface is arranged on the plane perpendicular to the vertical flat piece, and the rotation axis is located behind the curved piece. The optimization design of the structure of the impeller blade makes the impeller meet the requirements of fluid mechanics, high speed and high temperature. In full hydrogen atmosphere, the air volume can reach 60000m 3 / h.

The application discloses a lens module and an electronic device. The lens module comprises a holder structure, an opening is arranged on the holder structure, an installation cavity is arranged in the holder structure, and the installation cavity is communicated with the opening; a motor assembly is arranged in the installation cavity, the motor assembly can move relative to the holder structure, and the motor assembly is arranged opposite to the opening; a photosensitive chip is arranged in the installation cavity, and the photosensitive chip is connected to the side of the motor assembly which is away from the opening; and a heat dissipation structure, at least a part of the heat dissipation structure is arranged in the installation cavity, the part of the heat dissipation structure in the installation cavity is arranged on the circumferential side of the photosensitive chip; the part of the heat dissipation structure in the installation cavity is provided with a flow channel, a flowable heat dissipation medium is arranged in the flow channel, and the heat dissipation medium is used for conducting heat to the photosensitive chip. The application reasonably sets the structure of the lens module, can effectively reduce the temperature rise at the photosensitive chip, so that the probability of the imaging quality decline caused by the junction temperature rise of the photosensitive chip can be reduced.

The present application relates to a kind of wide temperature range temperature parameter black box tester, belong to industrial measurement and control technical field.The multistage temperature tester protection structure is used, from outside to inside in turn includes fiber heat insulation layer, nano micropore heat insulation layer, phase change heat insulation layer, inner layer high reflection heat insulation layer and vacuum heat insulation layer;Vacuum heat insulation layer is vacuum cavity, and the outer side wall surface of which is equipped with heating sheet array and closed loop feedback control system, for active heat compensation under low temperature environment;Data instant transmission system uses high-temperature-resistant antenna to realize wireless data transmission and time synchronization;Damping and sealing integrated system includes hierarchical damping damping structure and sealing gasket structure.The present application realizes stable, accurate temperature measurement in-190 ℃ to 1300 ℃ wide temperature range, has real-time data transmission, anti-vibration and sealing protection ability, significantly improves the reliability and measurement accuracy of equipment in harsh environment.