21results about How to "Guaranteed temperature stability" patented technology

The utility model relates to battery pack heat preservation technical field, concretely is a kind of structure of improving the heat preservation performance of battery pack upper cover, including upper cover body, the inner surface of upper cover body is equipped with the honeycomb cavity of uniform distribution, the honeycomb cavity is filled with aerogel particles, the outside of honeycomb cavity is equipped with the heat insulation layer of integration with upper cover body, the heat insulation layer is inlaid with multiple heat-conducting fibre bundles;The outer surface of upper cover body is equipped with several micropore array, and the micropore array is filled with graphene coating.The utility model can significantly improve the heat preservation effect of battery pack under low temperature environment, simultaneously under high temperature condition, the excess heat generated by battery module is quickly exported, and heat accumulation is avoided.

This application relates to a multi-isothermal stamping die, belonging to the field of stamping die technology. The multi-isothermal stamping die includes a lower stamping die, an upper main die base, and side die bases. The lower stamping die is provided with a lower die base for placing forgings. The side die bases include a left die base and a right die base. The left die base includes a left sliding block and a left die body disposed on the left sliding block. The right die base includes a right sliding block and a right die body disposed on the right sliding block. Both the left and right die bodies are equipped with a first heating element for heating. The lower die base is provided with a second heating element. The left and right die bodies abut to form a product forming cavity. The left die base, right die base, and lower stamping die are all provided with heat insulation structures to reduce heat loss. This application has the effect of heating the product forming cavity, ensuring the temperature stability of the stamping area, and improving the forming effect.

This utility model provides a casting fixture for producing brake housings, relating to the field of casting technology. It includes a top plate, with support columns fixedly connected to the bottom and near the four corners of the top plate. A liquid storage tank is fixedly connected through and to the center of the top plate. An upper mold plate is fixedly connected to the bottom of the liquid storage tank. A solenoid valve is fixedly installed at the connection between the liquid storage tank and the upper mold plate. A connecting plate is fixedly connected between the two support columns near the bottom. A hydraulic cylinder is fixedly connected to the top of the connecting plate near the center. A lower mold plate is embedded in the bottom of the upper mold plate. Fixed plates are symmetrically fixedly connected to the surface of the lower mold plate. In this utility model, the casting fixture is equipped with an elastic buffer structure composed of vertical rods, limiting rods, a circular disc, and springs. Combined with power components such as hydraulic cylinders, it can quickly and smoothly push the brake housing out of the mold, significantly shortening the demolding time and improving production efficiency.

The present application relates to a kind of composite preparation methods for metal-based ceramic composite material, as follows: one, ceramic preform production: ceramic preform mould is made;After pretreatment, ceramic particles, binder, mixed powder are mixed, filled into mould, twice solidification treatment, and ceramic preform is prepared;Two, metal-based ceramic composite material composite preparation: ceramic preform is fixed in cavity, and metal sheet is placed in the both sides of ceramic preform or between two ceramic preforms;Temperature sensor probe is inserted into cavity;After closing, it is placed in electromagnetic induction coil, and heating is carried out;When metal sheet reaches set temperature, keep warm, when ceramic preform reaches required temperature, electromagnetic induction heating system is closed;Pouring metal liquid, cooling and solidification demoulding;Three, post-processing: quenching and tempering treatment are carried out.The present application solves the problem that ceramic preform and metal liquid temperature difference is too large during metal liquid casting, resulting in poor composite effect, low product yield and unsatisfactory use effect.

The application provides a combined bottom plate structure of a laser, which is a multi-layer plate integrated structure fixedly connected to the bottom of the inner cavity of the laser, comprising a support plate, a semiconductor refrigerator, a heat insulation pad, a base plate and a mounting plate; the bottom surface of the support plate is fixedly connected to the bottom of the inner cavity of the laser shell; the semiconductor refrigerator and the heat insulation pad form a first square body structure, the bottom surface of the first square body structure is connected to the top surface of the support plate; the mounting plate and the base plate form a second square body structure; the bottom surface of the second square body structure is connected to the top surface of the first square body structure, and the top surface of the second square body structure is an optical platform for bearing a plurality of optical components and absorbing heat. The application also provides a heat dissipation method for the combined bottom plate structure of the laser. The application solves the technical problem that the bottom plate structure of the existing laser cannot simultaneously meet the requirements of high-efficiency heat dissipation, accurate temperature control and stable structure due to the single material.

The present application relates to the technical field of auxiliary structure of cubic press, in particular to a temperature control device of cubic press, which is applied to cubic press, and the cubic press comprises six top hammers, each of which is provided with small and large pads, and a steel ring is detachably sleeved on the top hammer, the small and large pads and the top hammer; the temperature control device of cubic press comprises a cooling liquid pipe, each top hammer is provided with a cooling liquid pipe, both ends of the cooling liquid pipe pass through the small pad, and the cooling liquid pipe is detachably arranged on the steel ring, the cooling liquid pipe is configured to receive external cold liquid, thereby breaking through the heat transfer bottleneck of traditional indirect cooling of steel ring, so that the heat of the top hammer can be directly radiated through the cooling liquid pipe, while significantly reducing the interface thermal resistance and material thermal conductivity loss in the heat conduction path, the temperature stability of the superhard material synthesis process is ensured, and the synthesis efficiency and product quality are improved.

This utility model relates to the field of drinking water equipment technology, and discloses a water circuit board assembly and drinking water equipment. The water circuit board assembly includes: a lower water circuit board for installing the cooling component and the heating element, and connecting the water tank and the heating element through the lower water circuit board; a water tank water circuit board, integrated into and connected to the water tank, and installed and connected above the cooling component; the water tank water circuit board is connected to the heating element. The lower water circuit board and the water tank water circuit board provided by this utility model adopt integrated water circuit board module and modular design respectively, which not only improves the system sealing and stability of the drinking water equipment, but also simplifies the assembly process of the drinking water equipment and improves the production efficiency of the drinking water equipment. Furthermore, the modular design of the drinking water equipment makes maintenance and upgrades more convenient, and also solves the problems of odor, complex assembly, and low safety caused by messy pipelines in traditional drinking water equipment using silicone tubing.

The utility model provides a laser pumping drive circuit, and relates to the technical field of drive circuits. The output end of a voltage-controlled constant current source unit is connected with a pumping laser; the output end of the dual-mode current setting unit is connected with the reference input end of the voltage-controlled constant current source unit; the output end of the temperature control driving unit is connected with the thermoelectric refrigerating unit, and the feedback input end of the temperature control driving unit is used for receiving a temperature sensing signal; the analog input end of the multi-channel signal acquisition unit is respectively connected with a current sampling point of the voltage-controlled constant current source unit, the output end of the monitoring photodiode and a temperature sensing signal node; the positive power supply output end and the negative power supply output end of the power supply management unit are respectively connected with the power supply ends of the voltage-controlled constant current source unit and the multi-channel signal acquisition unit, and the enabling control end of the power supply management unit is connected with an external interface and is used for receiving a digital enabling signal and guaranteeing the temperature stability and reliability of the laser pumping drive circuit.

The utility model relates to modified resin production technical field, and disclose a kind of batching device for modified resin production, including base, the right side of base top is fixedly connected with first support plate, the left side of base top is fixedly connected with second support plate, the left side of second support plate is fixedly connected with control panel, the right side of first support plate is fixedly connected with protection box, the inside of first support plate is provided with stirring mechanism, the top of second support plate is provided with feeding mechanism, the stirring mechanism includes first servo motor, the right side of first servo motor is fixedly connected in protection box, when using, when needing to carry out batching work to modified resin, second servo motor drives rotating shaft, cleaning frame and stirring shaft synchronous operation, stirring shaft can be fully stirred to raw material, and cleaning frame, which is in triangle and contacts with the inside of stirring tank, can scrape off the raw material remaining in the inner wall of stirring tank during rotating process.

This application discloses a heat exchange plate, a heat exchange device, a power module, and a vehicle. The heat exchange plate includes a heat exchange base plate and multiple pin fins. The pin fins are connected to the heat exchange base plate and protrude at least along a first direction. In a cross-section perpendicular to the first direction, the pin fins have a raindrop-shaped structure. The multiple pin fins are arranged in multiple rows, with each row including multiple pin fins. The multiple pin fins in each row are spaced apart along a second direction. The multiple rows are spaced apart along a third direction. The small end of the raindrop-shaped structure is bent relative to the large end along the third direction. The bending direction of the small end of the raindrop-shaped structure in at least one row is opposite to the bending direction of the small end of the raindrop-shaped structure in the adjacent row. According to the heat exchange plate of this application, by bending the small end relative to the large end along the third direction and providing a raindrop-shaped structure with the small end bending in the opposite direction, the medium can better form eddies, thereby improving the heat exchange efficiency between the medium and the pin fins.

The utility model discloses a two-sided weaving device for acrylic thermal fabric, and relates to the technical field of weaving devices.The two-sided weaving device for acrylic thermal fabric comprises a circular knitting machine, a weaving rotary table is installed in the middle of the circular knitting machine, a triangular area is installed on the outer side of the weaving rotary table, and a cooling assembly is arranged on the outer side of the triangular area; a fixing device is installed on the surface of the outer side of the cooling assembly, the cooling assembly comprises an annular pipe, the annular pipe is connected with the small air conditioner, the surface of the inner wall of the annular pipe communicates with a communicating frame, and a fan used for diffusing cold air is installed on one side of the communicating frame; the fixing device comprises a fixing bottom plate. The temperature stability of the triangular area in the working process is guaranteed through the cooling assembly, the problem of inaccurate knitting needle movement caused by thermal deformation is solved, and therefore the knitting quality of acrylic thermal fabric is improved.

The invention relates to the technical field of iron and steel smelting, in particular to a molten iron desulfurization method which comprises the steps that a desulfurizing agent is sprayed into molten iron through a spray gun, so that the sulfur content in the molten iron is reduced, molten iron desulfurization is divided into a first stage and a second stage in sequence, and the total spraying amount of the desulfurizing agent serves as the standard; in the first stage, the spraying amount of the desulfurizing agent is 80%-90% of the total spraying amount of the desulfurizing agent, in the second stage, the spraying amount of the desulfurizing agent is 10%-20% of the total spraying amount of the desulfurizing agent, and in addition, the spraying speed of the desulfurizing agent in the first stage is greater than that in the second stage. The method solves the contradiction among efficiency, desulfurizer utilization rate and temperature loss in the traditional desulfurization process, realizes double improvement of desulfurization production efficiency and desulfurizer utilization rate, reduces molten iron temperature loss in the desulfurization process, and reduces the raw material and energy cost of steel smelting.

This invention discloses a fixing structure for a high-power frameless motor used in humanoid robots, relating to the field of frameless motor technology. It includes: a stator assembly with positioning blocks fixed to both end faces of the stator assembly, two positioning blocks on each end face; and a rotor assembly housed within the stator assembly. This invention employs a structure with a double-disc body, double rotating rings, and a connecting seat. Relying on the positioning blocks and positioning grooves, and the protrusions and grooves forming a double alignment design, combined with a locking mechanism, it can quickly achieve concentric positioning of the stator assembly and rotor assembly, while effectively limiting radial movement of the rotor assembly. Furthermore, the connecting mechanism adopts an adjustable clamping structure design, which can adapt to output shafts of different sizes, ensuring coaxiality between the output shaft and the stator and rotor assemblies. This eliminates the need to replace the motor body or customize an adapter flange, significantly improving the equipment's versatility and adaptability to different operating conditions.

This invention discloses a method for forming ultra-large titanium alloy U-shaped profiles, comprising: 1. Initial heating of titanium alloy sheet using a tracked heating device; 2. Rapid transfer and first bending of the titanium alloy sheet under heat preservation conditions; 3. Second heating and bending of the L-shaped single-sided bent part; 4. Milling the edges of the U-shaped double-sided bent part; 5. Performing steel plate pressing and shaping heat treatment on the milled U-shaped double-sided bent part; 6. Performing surface treatment on the heat-treated U-shaped double-sided bent part to remove surface oxide scale, thereby obtaining the finished titanium alloy U-shaped profile. This invention optimizes the layout of the tracked heating device and bending machine, constructing an L-shaped rapid transfer path, thus solving the cracking problem caused by temperature drop in ultra-large titanium alloy sheet and ensuring the temperature stability of the titanium alloy sheet during bending; the large bogie furnace steel plate pressing and shaping heat treatment process improves the uniformity of the U-shaped double-sided bent part's shaping.

The invention discloses an air-cooled ducted fan motor controller and an installation method thereof, the air-cooled ducted fan motor controller is arranged in an air-cooled duct, and the air-cooled ducted fan motor controller comprises: a heat dissipation shell, the interior of which is an accommodating space; a control board; the power main loop module and the control panel are arranged in the heat dissipation shell in the axial direction, and the controlled end of the power main loop module is connected to the output end of the control panel; the power main loop module comprises a plurality of power main loop units, and the heating end of each power main loop unit is welded and fixed to the inner wall of the heat dissipation shell. The heating end of the power main loop unit is directly fixed to the inner wall of the heat dissipation shell through the vacuum reflow soldering technology, efficient heat conduction of a heating component and a heat dissipation structure is achieved, the heat dissipation performance is further enhanced, heat resistance is greatly reduced, stable operation of the controller under the high-load working condition is guaranteed, and the service life of the controller is prolonged. And the heat dissipation requirements of a high-power motor and a controller can be met.

This utility model discloses a micro-hemispherical electrode and a micro-hemispherical gyroscope, comprising a micro-hemispherical electrode substrate and a functional film layer disposed on the surface of the substrate. The substrate has multiple through holes. The functional film layer consists of a bottom high-voltage film layer and a first GND film layer, a middle insulating film layer, and a top electrode film layer and a second GND film layer. This solves the problem of parasitic capacitance coupling noise caused by the coplanarity of the high-voltage electrode and the electrode film layer. The insulating layer isolates the high voltage from sensitive signals. The micro-hemispherical electrode has an array-type leaky structure. By setting a sacrificial layer on its surface with a thickness consistent with the distance from the lip of the hemispherical resonant gyroscope to the electrode film layer, the gap can be effectively controlled. The leaky electrode can break the capillary force constraint and achieve efficient cleaning under submicron gap conditions, thereby solving the problems of bonding assembly gap control and post-assembly cleaning of micro-hemispherical resonant gyroscopes, making it suitable for mass production of micro-hemispherical resonant gyroscopes.

This invention provides a roll-over monitoring and control system and method for rolled glass rollers, relating to the field of glass manufacturing technology. It includes: multiple temperature monitoring devices arranged along the length of the rolled glass rollers for real-time monitoring of the surface temperature of various areas on the rollers; and a controller that, when any surface temperature exceeds a first preset threshold, controls the roller motor to slow down, increases the cooling water flow of the roller liquid cooling device, and activates the purging device, while simultaneously issuing a roll-over alarm to on-site personnel to remind them to conduct on-site inspections and manual intervention. The beneficial effect is that the handling procedure is initiated at the nascent stage of the roll-over phenomenon, accurately controlling the "golden 5-second" window for fault handling, reserving crucial time for on-site personnel to arrive and implement subsequent manual intervention, thus suppressing the rapid spread and expansion of the roll-over defect from the source, and completely breaking the passive predicament of traditional handling schemes where the fault has already developed to a moderate stage by the time it is discovered.

This utility model provides a general-purpose flash memory testing system based on FPGA, belonging to the technical field of general-purpose flash memory testing equipment. The FPGA-based general-purpose flash memory testing system includes a test socket and an integrated flash memory detection module installed inside the test socket. Its key feature is that threaded holes are formed at the four corners of the test socket surface, and chip positioning components are installed via bolts through these threaded holes. A chip holding component is installed inside the chip positioning component. A spring-loaded component and a probe component are provided between the bottom of the chip holding component and the integrated flash memory detection module. Four heat dissipation zones are integrally formed on the surface of the chip positioning component at equal intervals, each corresponding to a chip position on the surface of the chip holding component. Through the coordinated operation of the chip positioning component, chip holding component, spring-loaded component, and probe component, the system effectively solves the problem of existing FPGA-based general-purpose flash memory testing systems being unable to test multiple flash memory chips simultaneously.

The application discloses a formation device and a formation method for an electric core. The formation device comprises a container body and a cover body. At least three blocking devices are arranged in the container body, and the container body is divided into at least three liquid storage tanks by the at least three blocking devices. Different electrolytes are carried in each liquid storage tank. The cover body is provided with at least three connecting pieces near one side of the container body. The connecting pieces correspond to the blocking devices, are connected with the blocking devices, and drive the blocking devices to reciprocate along a first direction. The container body is extended with a sharp nozzle at a lower end for sealingly cooperating with a liquid injection hole of the electric core. The application can not only store several different types of electrolytes at the same time to realize integrated liquid injection, but also release different types of electrolytes into the electric core to adjust the internal temperature of the electric core while supplementing the liquid, thereby ensuring the temperature stability of formation under a large current, avoiding the internal temperature of the electric core from rising too fast, and further improving the formation effect and performance of the electric core.

The utility model discloses a temperature-controllable reaction kettle for degreasing agent production, relates to the technical field, and solves the technical problem that the existing technical scheme cannot quickly circulate and improve the heat exchange speed, the temperature-controllable reaction kettle comprises a kettle body and a kettle cover, the kettle cover is fixedly arranged at the upper end of the kettle body, an internal heating structure is arranged in the kettle body, and the internal heating structure is arranged in the kettle body. The kettle body is fixedly sleeved with an outer water cooling structure, a stirring device is installed on the kettle cover, and a feeding structure is arranged on the kettle cover. Through the collaborative design of the inner heating structure and the outer water cooling structure, rapid heating and efficient cooling in the kettle body are achieved, and a heating mode and a cooling mode can be flexibly switched according to process requirements; the inner heating structure adopts an inner heating sleeve, the heating efficiency is high, and the heat loss is small; the design of the outer water-cooled jacket can realize rapid cooling, improve the heat exchange speed, solve the problems of insufficient heat exchange and large temperature fluctuation in the prior art, and ensure the temperature stability and product quality in the reaction process.

The utility model relates to magnetic resonance imaging, in particular to a cooling system and a gradient coil. The utility model relates to a cooling unit which is a cooling water pipe which is of a U-shaped water pipe structure. The cooling system comprises a cooling unit and at least two C-shaped connectors, one end of the first C-shaped connector is connected with a water inlet, and a plurality of water inlet connectors are arranged on the first C-shaped connector; one end of the second C-shaped joint is connected with the water outlet, and a plurality of water outlet joints are arranged on the second C-shaped joint; the first C-shaped connector and the second C-shaped connector are connected in parallel through a plurality of cooling units, one end of each cooling unit is connected with a water inlet connector on the first C-shaped connector, and the other end of each cooling unit is connected with a water outlet connector on the second C-shaped connector. Compared with the prior art, the cooling unit, the cooling system and the gradient coil are provided, the heat conduction capacity of the cooling system is guaranteed, the water pipe is not provided with a connector in the gradient coil, and the risk of water leakage is reduced.