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372 results about "Working temperature" patented technology

During working hours the temperature in all indoor workplaces must be reasonable. There’s no law for minimum or maximum working temperatures, eg when it’s too cold or too hot to work. However, guidance suggests a minimum of 16ºC or 13ºC if employees are doing physical work.

Outdoor display temperature control method and system

The invention discloses an outdoor display temperature control method and system, and the method comprises the steps: obtaining and analyzing the current body temperature data of an outdoor display, and setting an initial heat dissipation working condition of a heat dissipation device according to an analysis result; based on the historical meteorological data of the surrounding environment and a preset neural network model, constructing a prediction model for prediction to obtain environment temperature prediction data; analyzing the environment temperature prediction data, determining environment temperature change characteristics, and evaluating the environment temperature change based on the environment temperature change characteristics to obtain an environment temperature evaluation value; and determining a working adjustment coefficient based on the environment temperature evaluation value, and adjusting and controlling the initial heat dissipation working condition of the heat dissipation device based on the working adjustment coefficient. By combining the machine body temperature data and the environment temperature prediction data, accurate and intelligent adjustment of the working condition of the heat dissipation device is achieved, it is ensured that the outdoor displayer can keep the proper working temperature under different environment conditions, the heat dissipation efficiency of the outdoor displayer is improved, and stable operation is ensured.
Owner:GUOJING SHENGTAI (QINGDAO) DIGITAL DISPLAY TECHNOLOGY CO LTD

Compressor temperature control system capable of preventing generation of condensate water

The invention relates to the technical field of compressor temperature control, and discloses a compressor temperature control system capable of preventing generation of condensate water, which comprises a sensing module, an execution module and a controller. The sensing module is used for collecting air temperature, relative humidity, system working pressure and circulating oil temperature parameters of the compressor in real time. The controller is configured to calculate the current pressure dew point of the system based on the air temperature, the relative humidity and the working pressure of the system; the pressure dew point serves as a floating lower limit, a preset system optimal working temperature upper limit serves as a fixed upper limit, and a dynamic safe working interval is determined; finally, a cooling unit and a heating unit in the execution module are cooperatively controlled to work according to the relation between the circulating oil temperature and the dynamic safety working interval. By establishing the dynamic safety lower limit changing along with the working condition, the problem that the compressor is prone to generating condensate water under the high-humidity or low-load working condition to cause oil emulsification is effectively solved, and accurate and energy-saving temperature control is achieved.
Owner:KOBELCO COMPRESSORS MFG (SHANGHAI) CORP

Prediction method based on wear state of steel-based ceramic wear-resistant component

The invention provides a prediction method based on the wear state of a steel-based ceramic wear-resistant component, and relates to the technical field of material life evaluation, and the prediction method comprises the following steps: transmitting an excitation eddy current containing a first frequency and a second frequency to a steel substrate, and receiving a response signal modulated by the state of a steel substrate and ceramic-steel bonding interface; processing the response signals corresponding to the first frequency and the second frequency, and extracting a first phase variation of the first frequency relative to a first reference signal corresponding to the initial health state of the component and a second phase variation of a second reference signal corresponding to the second frequency; the difference quantity between the first phase change quantity and the second phase change quantity is calculated, and the heat conduction state change of the ceramic-steel bonding interface is represented; and acquiring the real-time working temperature of the wear-resistant part, evaluating the current state grade of the ceramic-steel bonding interface based on the real-time working temperature and the difference quantity, and predicting the residual safe service time of the ceramic wear-resistant layer in combination with the change trend of the difference quantity along with time.
Owner:BEIJING AVIC TIANYOU TECH CO LTD

Test device for evaluating multi-dimensional service life of high-bearing-resistance supporting rod

The invention discloses a test device for evaluating the multi-dimensional service life of a high-bearing-resistance supporting rod. The device comprises a cyclic load loading device which realizes accurate loading and measurement through a loading actuator cylinder, a counter-force support and a sensor; the guide rail control device is used for simulating an actual complex motion form by utilizing a guide rail, a sliding block and a joint bearing; the abrasion checking device achieves the function of simulating abrasion at the piston end and the fixed end in an actual complex motion form; the temperature control system is used for accurately controlling the environment temperature and the working temperature by virtue of a high and low temperature environment box and a hydraulic oil temperature machine; and the MTS structure test loading system is used for controlling oil inlet and outlet of a loading actuating cylinder and a resistance supporting rod and displaying sensor data in real time. According to the invention, multi-physics coupling conditions such as cyclic load, compound wear and high and low temperature environment can be simulated through tests, the wear resistance, sealing performance, fatigue performance and overall reliability of the resistance stay bar can be comprehensively evaluated, and effective technical support is provided for life prediction and reliability design of the resistance stay bar.
Owner:TIANJIN AEROSPACE RELIA TECH

Detection device and method for automobile electric glass lifter

The invention relates to the technical field of new energy automobile spare part testing, in particular to an automobile electric glass lifter detection device which comprises a base, a vertical plate, a glass lifter and automobile window glass, the vertical plate and the base are in a vertical state and are fixedly connected, and the glass lifter is installed on the front face of the vertical plate through bolts. The window glass is locked at the output end of the window glass lifter through a screw, the window glass is dragged to ascend and descend through the window glass lifter, and the lifting counting mechanism is installed at the upper left corner of the front face of the vertical plate. The vehicle window glass lifting frequency test can be realized, the working temperature test of the window glass lifter can also be realized, a worker can conveniently improve a motor of the window glass lifter, the driving stability of the window glass lifter is improved, the purpose of the load test of the window glass lifter is achieved, test data are diversified, durability test results are reliable, and improvement of the window glass lifter is facilitated. And the service life of the glass lifter can be actually prolonged.
Owner:KUNSHAN GUANGZHEN AUTOMOTIVE PARTS

Ceramic composite protective layer capable of increasing working temperature and preparation method and application of ceramic composite protective layer

The invention belongs to the technical field of electronic information components, and discloses a ceramic composite protective layer capable of improving working temperature, and a preparation method and application thereof. Firstly, a silicon nitride film is deposited on the surface of a sensitive layer of a film temperature sensor by adopting a magnetron sputtering technology; and depositing an aluminum oxide protection layer on the surface of the silicon nitride film by adopting an ultrasonic spraying technology to form a protection layer with a silicon nitride / aluminum oxide composite structure. The internal stress of the composite structure protection layer can be reduced, the thermal stability of the composite structure protection layer is improved, meanwhile, the problem of overflow of sensitive layer material elements in the sensor is inhibited, and the high-temperature stability of the film temperature sensor is improved. According to the invention, the working temperature range of the thin film temperature sensor in an ultra-high temperature environment is obviously expanded, so that the thin film temperature sensor can better adapt to a severe environment at a hot port of an aero-engine with a large thrust-weight ratio.
Owner:TIANJIN UNIV

Composite spraying film material for heat dissipation of air conditioner outdoor unit

The invention discloses a composite spraying film material for heat dissipation of an air conditioner outdoor unit. The composite spraying film material comprises a first complexing agent and a second complexing agent, according to the air compressor, the first complexing agent and the second complexing agent are cooperatively matched, the first complexing agent can form a rough material layer on the surface of the air compressor to serve as a bottom film layer, the rough surface is composed of countless randomly-distributed tiny concave-convex structures, the effective radiation area is increased through the concave-convex structures, and then the radiation efficiency is effectively improved; furthermore, a surface film layer is formed on the bottom film layer through a second complexing agent, the surface film layer is coated on the concave-convex structures in the bottom film layer, so that the radiation heat dissipation of each concave-convex structure in each direction is further improved, and the surface film layer and the bottom film layer jointly assist the heat dissipation of the surface oxide layer of the air compressor. The heat generated by working of the air compressor can be quickly dissipated, so that the temperature of the air compressor is kept in the optimal working temperature range, and finally, the refrigerating or heating effect can be close to the preset temperature.
Owner:SHENGZHEN SHANGUFENG E-TRADE CO LTD

High-stability temperature control device for flow loop heat pipe

The utility model relates to the technical field of temperature control, in particular to a flow loop heat pipe high-stability temperature control device which comprises a shell, the shell comprises a base, an outer frame is fixedly connected to the upper surface of the base, a heat dissipation assembly is fixedly connected to the interior of the outer frame and comprises a condenser, and a liquid pipe is fixedly connected to the lower end of the condenser. One end of the liquid pipe is fixedly connected with a compensation tank, the upper surface of the compensation tank is fixedly connected with a water pump, one end of the water pump is fixedly connected with a water feeding pipe, one end of the water feeding pipe is fixedly connected with an evaporator, the evaporator heats and gasifies cooling liquid after absorbing heat, and the other end of the evaporator is fixedly connected with a steam pipe. By accurately controlling the working temperature of the flow loop heat pipe, it is ensured that a working medium in the heat pipe operates under the optimal phase change condition, heat can be efficiently transmitted to a radiator from a heat source, and at the evaporator end, stable temperature control ensures that the working medium fully absorbs the heat and is rapidly vaporized.
Owner:HEILONGJIANG CHAOLIN AUTOMATION TECHNOLOGY CO LTD

LED fan screen, heat dissipation control method and display device

The invention relates to the technical field of LED display, in particular to an LED fan screen, a heat dissipation control method and a display device, and aims to solve the technical problems of how to accurately obtain the overall working temperature of the LED fan screen and how to automatically adjust the rotating speed of the LED fan screen based on the overall working temperature. In order to achieve the purpose, according to the technical scheme, the method comprises the steps that the working temperature of each position is obtained through temperature sensors arranged in a plurality of heating areas, the overall working temperature of the LED fan screen is obtained based on the temperature influence weight of each heating area, and the rotating speed of the LED fan screen is controlled according to the overall working temperature. Through real-time temperature monitoring and intelligent heat dissipation control of main heating devices of the LED fan screen, the consistency of display colors and the uniformity of brightness of the LED fan screen can be improved, the service life of a core device is effectively prolonged, and meanwhile balance between heat dissipation and energy saving can be achieved.
Owner:BOE TECHNOLOGY GROUP CO LTD

A stirring mechanism and intelligent grouting machine

The utility model relates to intelligent grouting machine technical field, especially is a kind of stirring mechanism and intelligent grouting machine, including, mix tank, including jar body, rotating part and flow part, the rotating part is set on jar body, the flow part is set on rotating part;Scraper assembly, including fixed part and plug connector, the fixed part is set on rotating part, the plug connector is set on fixed part, grouting assembly, including heating insulation part and control part, the heating insulation part is set on jar body, the control part is set on heating insulation part, in mix tank rotary stirring, and in the mixing process, the mud adhered on the inner wall of mix tank can be scraped down and re-mixed into slurry, reduce the residence time of slurry on the inner wall of mix tank, reduce the possibility of slurry adhesion, reduce the need of subsequent cleaning work, by setting heating insulation assembly on the outer wall of mix tank, so that the slurry in mix tank can keep suitable working temperature in cold or low temperature environment to ensure grouting quality.
Owner:CHINA THREE GORGES PROJECTS DEV CO LTD

Efficient cooling mechanism for cladding of inner wall of pipe

The utility model discloses an efficient cooling mechanism for cladding of the inner wall of a pipe, relates to the technical field of cooling devices, and aims to solve the technical problems that a current cladding device is uneven in cooling and low in efficiency and affects the forming quality of the pipe, the efficient cooling mechanism comprises a driving frame and a limiting mechanism, and a cladding head is arranged at the front end of the driving frame; side plates are installed on the two sides of the upper end face of the driving frame, side grooves are formed in the upper sides of the side plates, adjusting grooves are formed in the inner sides of the side grooves, the limiting mechanism is installed between the side grooves of the two side plates, and the limiting mechanism is composed of a first clamping plate and a second clamping plate. The device has the advantages that the working temperature of the driving frame and the cladding head is effectively reduced, and the service life of equipment is prolonged.
Owner:天津滨海雷克斯激光科技发展有限公司

Cooking function setting graphical user interface for an electronic device

1. The name of the design product: cooking function setting graphical user interface of electronic device. 2. The use of the design product: an electronic device. 3. The design points of the design product: the interface content of the graphical user interface in the electronic device. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: the graphical user interface is used for the user to select and set the cooking mode, working time and working temperature of the cooking device, and display the working state of the cooking device. 7. The human-computer interaction mode of the graphical user interface: design 1 front view and design 2 front view are both cooking setting interfaces, the user can click the function option icon in the interface to control the cooking device, and a highlight bar will be displayed on the upper part of the triggered icon area.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD +1

Method for handling malfunctions, electronic device, and storage medium

A method for handling malfunctions is provided. In the method, in response that a working temperature of a first device is abnormal, an electronic device collects a running log of the first device. Log data that matches the running log is obtained from a database. A second device is determined according to a position where the first device is located. The electronic device detects whether a second device has an abnormal trend on working temperatures, and a detection result is obtained. A plurality of handling strategies of the first device and / or the second device are determined, according to the detection result and the log data. The above method can monitor the working temperature of a device in a timely and effective manner, thereby ensuring stable operation and performance of the device.
Owner:FULIAN PRESION ELECTRONICS (TIANJIN) CO LTD

Tertiary air flashboard structure with water cooling function

The invention relates to the technical field of air flashboards, in particular to a tertiary air flashboard structure with a water cooling function, a flashboard steel structure shell is in a totally-closed hollow form, a front water seal plate, a rear water seal plate and a loop water seal plate are arranged in the flashboard steel structure shell, and a front water cooling area, a rear water cooling area and a loop water cooling area are divided; cooling water is injected into the front water-passing cooling area and the rear water-passing cooling area through the two water inlet pipes respectively, flows through the heated inner wall of the steel structure, is converged into the loop cooling area and is finally discharged through the water outlet pipe. The working temperature of the flashboard steel structure is reduced through active water cooling, so that the thermal expansion amount and thermal stress of the flashboard steel structure are controlled, and the problems of steel structure deformation and fracture and refractory material extrusion cracking caused by high-temperature expansion difference are solved. The cooling system provides back cooling support for the refractory material, so that the internal temperature field is smoother, the thermal shock resistance is improved, the overall service life of the refractory material is effectively prolonged, and the overall operation cycle, safety and stability of the flashboard are improved.
Owner:TONGDA REFRACTORY TECH CO LTD +3

Compensation method and compensation system for pressure sensing system

The invention provides a pressure sensing system compensation method and system, and the method comprises the steps: building a mathematical fitting model of an input and output pressure difference value and time under different conditions through testing and processing the data of a system in a starting time period under different input pressure and working temperature conditions, obtaining an initial environment condition when the system is started, and carrying out the calculation of the initial environment condition after the initial environment condition is obtained; and a corresponding mathematical fitting model is substituted to compensate the output pressure, so that the accurate pressure value in the system starting time period can be quickly calculated, and the performance improvement in the whole time period after the system is started is realized. According to the technical scheme, the technical problem that in the prior art, the pressure measurement precision deviation is large due to the fact that a thermal field is unbalanced in the starting period of a pressure sensing system is solved.
Owner:BEIJING AUTOMATION CONTROL EQUIP INST

Vehicle thermal management heat exchange path design method based on temperature sequence

The application discloses a vehicle thermal management heat exchange path design method based on a temperature sequence, which comprises the following steps: screening a thermal management demand component, acquiring a best working temperature interval of the component based on test data, calculating a multi-working-condition heat exchange path and heat exchange demand based on the temperature sequence, and designing a heat exchange path based on a cumulative contribution heat exchange amount sequence. The vehicle thermal management heat exchange path design method based on the temperature sequence can guide the design of a high-efficiency and high-integration heat exchange path, and ensure that heat is efficiently utilized or released under various working conditions.
Owner:JILIN UNIVERSITY

Production equipment and process for high-working-temperature and high-cleanliness-grade heating tape

PendingCN121246108AParticulatesVulcanization
The invention relates to production equipment and process for a high-working-temperature and high-cleanliness-grade heating tape, and the production equipment comprises a pretreatment unit which comprises a stirring device for mixing and stirring a silicon rubber raw material and expanded balls; the production unit comprises a vacuum oven used for baking the heating tape which is not vulcanized and shaped, and an air source used for adjusting the pressure of the interior of the vacuum oven after the interior of the vacuum oven is vacuumized; and the post-processing unit comprises a sealing cavity used for containing the vulcanizing and shaping heating belt, the gas source is communicated to the sealing cavity, and the gas source is used for purging impurities in the sealing cavity and injecting gas into the sealing cavity to return to the atmospheric pressure state. By adding some expanded balls which are still stable in physical and chemical properties and low in heat conductivity at about 200 DEG C into the silicon rubber raw material, the heat insulation performance can be greatly improved; a vacuum heating treatment process is added in a production stage and a post-treatment stage, so that the processing time of the heating tape can be shortened, and the release temperature of particulate matters is increased.
Owner:星奇(上海)半导体有限公司

Auxiliary driving controller and vehicle

The utility model discloses an auxiliary driving controller and a vehicle, the auxiliary driving controller comprises a housing, a mainboard and a heat dissipation assembly, and the housing is provided with an accommodating cavity; the mainboard and the heat dissipation assembly are accommodated in the accommodating cavity; the heat dissipation assembly comprises at least one heat pipe and at least one temperature control part, the heat pipe and the temperature control part abut against the main board, each heat pipe extends in the thickness direction of the main board, and when the temperature of the main board is higher than a first working temperature threshold value of the main board, the face, facing the main board, of the temperature control part conducts refrigeration, and the heat pipes absorb heat transmitted by the main board; and when the external temperature is lower than a second working temperature threshold value of the mainboard, the mainboard is heated by the side, facing the mainboard, of the temperature control part. Thus, when the temperature of the mainboard is higher than the first working temperature threshold value of the mainboard, the heat pipe absorbs heat emitted by the mainboard to achieve the cooling effect, and when the external environment temperature is low, the temperature control part works to transfer heat to the mainboard so as to accelerate the mainboard to recover to the normal working temperature.
Owner:贵州华鑫信息技术有限公司

Hybrid matrix resin heating device and method of construction

The application belongs to the technical field of matrix resin fluid heating, and discloses a mixed matrix resin heating device and a construction method, which comprise a heating mechanism and a temperature control mechanism, and the glue injection end cover assembly, the glue outlet end cover assembly and the glue storage cylinder are detachably and sealingly connected, so that the airtightness in the working process can be ensured, and subsequent maintenance and cleaning are facilitated, and the structure is simple. The temperature measuring element in the temperature control mechanism is arranged on the heating element, the input end of the temperature measuring element is electrically connected with the heating element, the surface temperature of the heating element can be monitored in real time, the output end of the temperature measuring element is electrically connected with the intelligent temperature control assembly, the intelligent temperature control assembly is also electrically connected with the heating element, so that closed-loop control of the heating state is realized, the working temperature of the heating element is kept in the preset range, and it is ensured that the matrix resin is always in the best flow state of high flowability and low viscosity. The structure can be designed to be small in size, occupies small space, is helpful to improve the heat energy utilization rate and reduce energy consumption.
Owner:LIANYUNGANG ZHONGFU LIANZHONG COMPOSITES GRP

Precision measurement circuit protection method and device

The invention discloses a precision measurement circuit protection method and device, and the method comprises the following steps: providing an electromagnetic shielding housing which is provided with an accommodation cavity for accommodating a precision measurement circuit; a phase-change material layer is arranged on the inner wall of the accommodating cavity, and the phase-change temperature of the phase-change material is in a normal working temperature interval of the precision measurement circuit; the precision measurement circuit is arranged in the accommodating cavity and is connected with a uniform temperature plate through a heat-conducting medium layer, so that heat generated by the precision measurement circuit can be transmitted to the uniform temperature plate through the heat-conducting medium layer; a temperature detection control unit is arranged and used for detecting the temperature of the vapor chamber in real time; and when the temperature of the uniform temperature plate exceeds a preset threshold value, a temperature control execution mechanism is started to carry out active temperature adjustment on the uniform temperature plate.
Owner:SICHUAN AEROSPACE METROLOGY & TESTING INST

Temperature control method and system of SOEC under renewable energy fluctuation condition

The invention belongs to the technical field of electrolytic cell temperature control, and relates to a temperature control method and system for an SOEC under the renewable energy source fluctuation condition, and the method comprises the steps: collecting the real-time operation temperature of each region of the SOEC, monitoring the fluctuation condition of the output of the renewable energy source, and when the fluctuation occurs, controlling the temperature of the SOEC; carrying out feed-forward adjustment by utilizing an MPC algorithm model; smoothly adjusting the heating power and the total air inflow of different areas; comparing the real-time operating temperature with a preset operating temperature to obtain a first temperature deviation value, and determining a hot area and a cold area; the MPC algorithm model is used for conducting feedback adjustment on all the subareas; the heating power and / or the gas flow of the cold area are / is increased; and reducing the heating power of the hot area or stopping heating, and / or reducing the gas flow of the hot area. According to the invention, intelligent temperature control with adaptive capability of the SOEC can be realized, the internal working temperature of the SOEC can be kept stable, and local efficiency reduction or faults caused by uneven temperature or overshoot can be reduced at the same time.
Owner:HUAZHONG UNIV OF SCI & TECH

Silent generator set suitable for high-cold and high-temperature environment of plateau

The invention relates to the technical field of generators, and discloses a silent generator set adapted to plateau high-cold and high-temperature environments, the silent generator set comprises a bottom plate and side plates arranged at the two ends of the bottom plate, the temperature in the device is monitored through a back plate temperature sensor, when the temperature is low, a toothed plate drives a turning plate to close an adjusting pipe, and a water tank heating device heats circulating water of a heat conduction pipe; the optimal working temperature is maintained; at high temperature, the toothed plate drives the turning plate to enable the adjusting pipe to feed air to the maximum, the metal heat collecting cover on the air guide pipe side collects heat, the heat is rapidly discharged through the fan, the filter screen is matched with the brush plate to remove dust and impurities, and the air inlet is prevented from being blocked. An independent heat dissipation air channel prevents dust from invading and affecting heat dissipation, a fan reversely rotates to blow away impurities of a filter screen, damping foot pads at the four corners of the power generation device, sound insulation cotton on the inner wall of the device and ultra-thin ceramic fiber felt outside a heat conduction pipe achieve multiple noise reduction, during maintenance, an insertion rod is pulled to unlock a panel, a pin rod unlocking device is pulled out, and the power generation device can be moved out along a track. Quick disassembly is achieved, and maintenance convenience is improved.
Owner:GUANGZHOU SANQ POWER EQUIP CO LTD

Reflow oven

The present disclosure discloses a reflow oven for processing a circuit board, the reflow oven comprising a heating zone having a plurality of heating sub-zones, in which the plurality of heating devices are arranged in corresponding heating sub-zones of the plurality of heating sub-zones, and each of the plurality of heating devices is configured such that a working temperature of the corresponding heating sub-zone is in a predetermined temperature interval; a start-stop device configured to activate or deactivate the plurality of heating devices, and configured to activate and deactivate the plurality of heating devices according to predetermined time intervals in a process during which the circuit board sequentially passes through the plurality of heating sub-zones, such that a working temperature of each of the plurality of heating sub-zones is in a corresponding predetermined temperature interval.
Owner:ILLINOIS TOOL WORKS INC

960KW immersed liquid cooling heat management system

The utility model discloses a 960KW immersed liquid cooling heat management system, and belongs to the technical field of charging piles. Direct plugging of the charging modules is realized through the slideways, and maintenance personnel can replace and maintain a single charging module without complex operation, so that the maintenance time is greatly shortened, the maintenance efficiency is improved, and the maintenance cost is reduced. The immersion liquid cooling technology is adopted, cooling liquid can directly make contact with the charging module, and the heat dissipation effect is obviously better than that of a traditional air cooling heat dissipation mode. Meanwhile, due to the reasonable design of the air duct and the cooperative use of the dry cooler and the fan, the heat dissipation efficiency is further improved, and it is ensured that the charging pile can keep a stable working temperature during high-power operation. In addition, the CDU control panel automatically adjusts the rotating speed of the fan and the flow of the pump according to actual requirements, unnecessary energy consumption is avoided, the energy-saving buffering design is achieved, and the operation cost of the charging pile is reduced.
Owner:HANGZHOU JINGONG ELECTRIC TECHNOLOGY CO LTD

Outdoor filtering compensation cabinet

The invention relates to the field of power supply equipment, and discloses an outdoor filtering compensation cabinet, which comprises a cabinet body, the upper end and the lower end of the front side of the cabinet body are rotatably provided with a wire inlet door plate and a wire outlet door plate respectively, the inner wall of the cabinet body is symmetrically fixed with two mounting columns, and a plurality of mounting beams for fixing electrical elements are uniformly distributed between the two mounting columns; the supporting plate is fixed to the bottom end of the installation stand column, an installation hole is formed in the supporting plate, and an adsorption unit used for absorbing moisture entering the cabinet body outdoors is installed in the installation hole; an existing compensation cabinet structure is optimized, moisture entering the cabinet body can be effectively absorbed through the designed adsorption unit, electrical elements are prevented from being damaged by a humid environment, the service life of equipment is prolonged, in addition, the adsorption unit can be linked with the liquid cooling unit to work, the heat dissipation efficiency of the compensation cabinet is further improved, and the service life of the equipment is prolonged. And electrical elements can be always kept at a proper working temperature, so that stable operation of equipment is guaranteed.
Owner:ZHEJIANG DARONG ELECTRICITY

Environment-friendly high-temperature-resistant low-smoke halogen-free flame-retardant cable

The invention provides an environment-friendly high-temperature-resistant low-smoke halogen-free flame-retardant cable, relates to the technical field of cables, and solves the technical problems of material embrittlement, insufficient oxygen isolation, high temperature resistance and flexibility imbalance caused by high filling of a flame retardant in the prior art. The cable sequentially comprises a copper alloy conductor, a nano compound insulating layer, a ceramic oxygen barrier layer and a bio-based LSZH sheath layer from inside to outside, a material compound system realizes the balance of flame retardance and mechanical properties through nano inorganic flame retardance, organic synergistic flame retardance and base material modification, and the environmental protection property is improved by doping bio-based PLA; and through three-layer co-extrusion and sectional gradient irradiation crosslinking, the production efficiency and the product consistency are improved. The long-term working temperature of the cable is 150-180 DEG C, the flame retardant rating reaches class A, the smoke density is smaller than or equal to 100 Dm, the tensile strength is larger than or equal to 12 MPa, the fire-resistant time is larger than or equal to 180 min, and the material cost is reduced by 10-15%.
Owner:JIANGSU HUAYA CABLE

Cycloidal gear tooth surface flexible modification method based on multi-parameter dynamic compensation

The invention relates to the technical field of precise speed reducer manufacturing, and discloses a cycloidal gear tooth surface flexible modification method based on multi-parameter dynamic compensation, which comprises the following steps: establishing an elastic deformation calculation model based on a Hertz contact theory and dynamic load characteristics, and introducing contact rigidity, a dynamic coefficient and a rotating speed index to correct deformation; constructing a thermal deformation compensation model based on a thermal-mechanical coupling theory, and considering a material thermal expansion coefficient, a working temperature rise and a rotating speed influence factor; a modification curve is constructed by adopting a third-order Fourier series, and flexible regulation and control of the tooth surface profile are realized by optimizing a coefficient proportional relation; and a manufacturing error self-adaptive matrix is constructed based on measurement data of the laser interferometer, and the exponential attenuation function is adopted to distribute the compensation amount, so that the accurate regulation and control of the tooth surface microscopic contour are realized. According to the joint reducer, the contact stress can be reduced by 14% or above, the transmission return difference is controlled within 0.52 arcmin, the service life is prolonged to 66000 hours, and the requirements for high precision and high reliability of the joint reducer of the industrial robot are met.
Owner:NANTONG INST OF TECH

A rotary drying machine for reinforcing the outer wall of pipes

ActiveCN224443630UThermodynamicsSpray coating
This utility model discloses a rotary drying integrated machine for strengthening the outer wall of pipes by spraying coating, including a drying chamber, a control chamber, a drying chamber door, a drying component, a rotating component, a hot air component, and an air outlet component. The control chamber is installed on the top of the drying chamber, and a control panel is nested on the front surface of the drying chamber. Heat dissipation base plates are installed on the two side walls of the drying chamber. The drying chamber door is installed on the front surface of the drying chamber via hinges. The hot air component and the air outlet component are installed inside the control chamber and are connected to each other. The rotating component is installed on the inner side wall of the drying chamber, and the drying component is installed on the output end of the rotating component. A water outlet pipe is connected to the bottom of the drying component. The heat dissipation base plates installed on the two side walls of the drying chamber can dissipate excess heat generated during the drying process, maintain a suitable working temperature inside the equipment, and ensure stable operation of the equipment.
Owner:NANJING BEITONG INTELLIGENT TECHNOLOGY CO LTD

Hot pressing mechanism and wood board edge sealing machine with same

The invention belongs to the technical field of wood board edge sealing equipment, and particularly relates to a hot-pressing mechanism and a wood board edge sealing machine with the hot-pressing mechanism, and the hot-pressing mechanism comprises two hot-pressing rollers and a first driving mechanism; the two hot pressing rollers are distributed in a spaced mode in the second direction, the two hot pressing rollers are spaced in the first direction so that the two hot pressing rollers can form the same shape as a to-be-edge-sealed face, and the hot pressing rollers can be heated so that the surface can reach the working temperature; the first driving mechanism can simultaneously drive the two hot pressing rollers to be close to or far away from a surface to be subjected to edge sealing in a first direction; compared with the prior art, through the innovative hot-pressing mechanism design, the double-hot-pressing-roller structure is adopted, a multi-direction adjusting mechanism is matched, the problem that multiple times of operation is needed for edge sealing of the slotted wood board is successfully solved, and efficient and high-quality edge sealing treatment is achieved. The equipment is compact in structure, high in adaptability and particularly suitable for being used by small and medium-sized enterprises, and has remarkable economic benefits and popularization value.
Owner:JINYUN COUNTY LIANGFANG INTELLIGENT TECHNOLOGY CO LTD