14results about How to "Control temperature rise" patented technology

The application provides a large vertical machine tool water-cooling oil-immersed direct-drive permanent magnet driving motor, which comprises a base and a work rotary table, an annular cavity is arranged in the base, a rotor assembly and a stator assembly are arranged in the annular cavity, the rotor assembly is installed on the work rotary table, the stator assembly is installed on the base, a cross roller bearing is arranged between the base and the rotor assembly, an inner ring of the cross roller bearing is installed on the base, and an outer ring is installed on the rotor assembly; an encoder is arranged between the base and the work rotary table; the annular cavity is filled with cooling machine oil to form an oil-immersed cooling system, a water cooling assembly is further arranged in the annular cavity, and an oil inlet and outlet interface is arranged at the bottom of the base and is communicated with the annular cavity. Through the above structure, the application has high cooling efficiency, direct driving without gap, high carrying capacity, and is suitable for heavy load high-precision machining above 10T.

The utility model provides a kind of vibration platform structure of spherical graphite vibration grinding machine, belong to graphite vibration grinding machine technical field, the vibration platform structure of this spherical graphite vibration grinding machine, it include: vibration platform body, vibration excitation device, elastic support component, grinding vessel, transmission connecting mechanism and damping control device, vibration platform body is rectangular plate, and upper surface central fixed spherical grinding vessel;Excitation motor is fixed in the center of bottom surface, output shaft is coaxial with eccentric wheel component, and main, vice eccentric wheel is divided on the upper and lower ends of rotating shaft;Each elastic support unit is arranged in four corners, including support seat and helical compression spring, support seat bolt is fixed bottom surface, and spring lower end is connected ground surface;Vibration is transmitted to grinding vessel by platform by transmission connecting mechanism;The utility model can solve the technical problems that vibration transmission efficiency is low, grinding uniformity is poor and equipment stability is insufficient in the vibration platform structure of spherical graphite vibration grinding equipment in the prior art.

A compression type atomizer comprises a shell, a compression pump assembly, a silencing box and a heat dissipation exhaust fan, a filtering air inlet is connected with an inlet of the compression pump assembly through a pipeline via the silencing box, and an outlet of the compression pump assembly is connected with an air outlet through a pipeline; the bottom of the compression pump assembly is connected with the inner bottom surface of the shell through a buffer pad, and the top of the compression pump assembly is in compression fit with the inner top surface of the shell through a damping layer; the left end and the right end of the shell are each provided with a heat dissipation air inlet so that the heat dissipation air inlets can be aligned with the two ends of the compression pump assembly. The heat dissipation exhaust fan is arranged on the front side or the rear side of the compression pump assembly, a heat dissipation air outlet is formed in the position, opposite to the heat dissipation exhaust fan, of the shell, and therefore a heat dissipation structure with air inlet at the two ends and air outlet at the side is formed.

The utility model discloses a solenoid for electromagnetic valve, including support body and the skeleton of setting in support body inside, the support body includes U type frame and sets up the apron of U type frame open end, still include the electricity incoming subassembly of clamping in one side of U type frame, the electricity incoming subassembly includes circuit board and mounting bracket. The utility model adopts modularization design, and the circuit board and mounting bracket are integrated into electricity incoming subassembly, make from production to operation and maintenance whole process realized optimization: first, the assembly link is simplified operating procedure because of part integration, reduces the cumbersome process of scattered assembly, thereby greatly improves the assembly efficiency, second, when the later maintenance replacement, modularization design makes no need to the coil overall to be disassembled, only needs to carry out single operation to the electricity incoming subassembly, not only simplifies the maintenance process, reduces the maintenance threshold, can also complete the replacement fast, effectively reduces the downtime of equipment because of the failure.

The invention discloses Ti-based alloy powder, which is prepared from the nominal components in percentage by atom: (5 to 10) of Ti, (2 to 5) of Al, (1 to 3) of V, (0.5 to 2.0) of Y2O3 and the balance of Ti and inevitable impurities, the preparation method comprises the following steps: 1, weighing raw material powder; 2, charging and sealing; 3, ball milling; and 4, discharging to obtain Ti-based alloy powder. According to the Ti-based alloy powder disclosed by the invention, high-volume nano Y2O3 is introduced and uniformly dispersed in a Ti matrix to form a dispersion strengthening phase, so that the room-temperature and high-temperature strength, creep resistance and thermal stability of the alloy are improved; according to the mechanical alloying process, the ball-to-material ratio, the rotating speed and the time of ball milling are strictly controlled, intermittent ball milling and external cooling are adopted to control temperature rise and pollution, it is guaranteed that Y2O3 forms nanocrystalline and a dispersion strengthening phase in a Ti matrix, the strength, hardness and thermal stability of the alloy are improved, the process is controllable, and repeatability is good.

The utility model relates to carbonaceous matter reactor technical field discloses a deslag heat exchange device and deslag system, include: protective cover, including cylinder and lid, the top wall of cylinder has opening, the lid with top wall is detachably connected and covers opening, the lid is through and is provided with mounting hole, heat exchange pipeline is connected with protective cover arrangement, heat exchange pipeline includes intercommunication setting cylinder pipeline and lid pipeline, cylinder pipeline is arranged in cylinder, lid pipeline is arranged in lid. The utility model passes through the heat exchange medium in the heat exchange pipeline and passes in, makes heat exchange medium to be able to absorb the heat that heat exchange pipeline and protective cover delivered, realizes heat recovery utilization while, controlled protective cover's temperature rise, avoids the deformation and burning loss of protective cover due to high temperature, and avoids other components to be damaged by the influence of protective cover high temperature, effectively improves the thermal efficiency and trouble-free operation cycle of deslag system.

The utility model belongs to electrical technical field especially relates to a net side filter cabinet based on phase change cooling, including the cabinet body, setting in the phase change cooling electric reactor, filter capacitance, filter electric reactor, filter resistance, current sensor, circuit breaker, brake resistance, lightning arrester in the cabinet body, the phase change cooling electric reactor is fixed in the left lower part in the cabinet body, filter capacitance, filter electric reactor, filter resistance are fixed respectively in the phase change cooling electric reactor directly above, the circuit breaker is fixed in the right upper part in the cabinet body, the lightning arrester is fixed in the right side of cabinet body, and brake resistance is fixed in the right side of cabinet body through the insulating structural member, the phase change cooling electric reactor, filter resistance all adopt phase change cooling heat dissipation, and the gas collecting pipe of phase change cooling electric reactor, the liquid return pipe of phase change cooling electric reactor, the gas collecting pipe of filter resistance, the liquid return pipe of filter resistance are fixed on the cabinet body. Advantage: can effectively insulate the high salt fog, high humidity air in tower drum or fan bin, improves the service life of electrical components and structural components in the cabinet.

This invention relates to a myocardial repair patch based on multi-material printing, its preparation, and its application, belonging to the field of bio-3D printing and regenerative medicine technology. The invention uses PLCL and GelMA hydrogel loaded with active cardiomyocytes as bio-inks, and introduces gelatin gel as a heat buffer material. An orthogonal network structure is constructed using multi-material bio-3D printing technology to prepare a myocardial repair patch with excellent dynamic adaptability to the myocardial interface and good biocompatibility. The myocardial injury repair patch prepared by this invention achieves a structure-function integrated design through the synergistic effect of the three materials, significantly overcoming the limitations of single materials in terms of mechanical properties, biological function, or thermal compatibility. The mechanical properties of the myocardial injury repair patch prepared by this invention can precisely match those of natural myocardium, while possessing high cell activity, effectively inhibiting fibrosis, improving myocardial function, and achieving true active repair. Furthermore, the process conditions are controllable, demonstrating good translational potential.

The application relates to the field of rubber for oil seals, and discloses a fluororubber with low friction and low temperature rise and a preparation method thereof, the fluororubber is made of the following raw materials in parts by weight: modified FKM 100 parts; nickel-coated graphite 0.5-5 parts; flaky graphite 0.5-5 parts; modified PTFE micro powder 1-10 parts; high-activity magnesium oxide 1-10 parts; calcium hydroxide 0-6 parts; WS2800 2 parts; Brazil palm wax 0-2 parts; glass fiber 0-5 parts; modified calcium silicate 0-50 parts; BPP 0.2-1 part; bisphenol AF 0.5-2 parts. The flaky graphite and the modified PTFE micro powder form a lubricating film at the interface to reduce friction, and the nickel-coated graphite is used to build a heat conduction channel to conduct heat out, so that the friction coefficient is reduced and the temperature rise is controlled. In combination with the modified matrix and the reinforcing filler, the stability of the crosslinking network is improved, the material has excellent high-temperature anti-aging performance and rigidity, and the service life of the oil seal is prolonged.

This utility model discloses a royal jelly filtration device, comprising: a double-walled shell with an opening at the top, forming a sealed cooling liquid chamber between the inner and outer walls, with a cooling liquid inlet and outlet at the top and bottom of the cooling liquid chamber respectively; a separating filter element rotatably disposed within the double-walled shell, including a suspended support tube and a multi-layer filter screen sleeved on the outer wall of the support tube, with multiple through holes in the support tube wall; and a royal jelly collection tank detachably disposed at the bottom of the double-walled shell and connected to the bottom of the shell. This utility model maintains the royal jelly at a low temperature through circulating cooling in the cooling liquid chamber, preventing damage to its nutrients. The multi-layer filter screen, combined with the rotating separating filter element, significantly improves filtration efficiency. This device is mainly used for high-efficiency low-temperature filtration of royal jelly and can be widely applied in the bee product processing industry.

The embodiment of the invention relates to the technical field of vehicle-mounted wireless communication, and discloses a thermal management system and method for a vehicle-mounted wireless communication module, and the system comprises a printed circuit board which is provided with a heating component and a thermistor corresponding to the heating component; the shielding cover is arranged above the heating component in a covering manner and is connected with the printed circuit board; a heat conduction interface material is filled between the heating component and the shielding cover; the thermistor is used for providing a temperature signal representing the corresponding heating component to the control unit; the control unit is configured to execute the switching logic of the state machine according to the priority sequence of the monitored temperature signals, and dynamically adjust at least one working parameter of the module based on the target state of the switched state machine so as to control the temperature rise of the vehicle-mounted wireless communication module; the temperature rise of the module is controlled through active heat dissipation, passive heat dissipation and a heat management strategy.

This utility model relates to the field of wall-hung boiler technology, and in particular to a premixed combustion fan for wall-hung boilers. A premixed combustion fan for wall-hung boilers includes a volute and a motor mounted on one side wall of the volute. An impeller is disposed inside the volute. The motor includes a mounting base and a motor body. The mounting base is connected to the side wall of the volute. The motor body includes a shaft, a rotor core, and a stator assembly. The rotor core is fixed to the shaft. The stator assembly includes a square stator core and a support frame for fixing the stator core. The support frame is connected to the mounting base. A cooling fan is mounted at one end of the shaft, and the impeller is press-fitted to the other end of the shaft. This utility model effectively solves problems related to vibration and noise, motor heat dissipation, impeller connection reliability, gas mixing efficiency, and ease of assembly.

The embodiment of the invention discloses an ultrasonic emission control method and device of an ultrasonic therapeutic apparatus, a temperature field simulation method and device, the ultrasonic therapeutic apparatus and a storage medium. The method comprises the steps of obtaining an ultrasonic treatment parameter value set for a target tissue; determining an electric signal pulse emission parameter value corresponding to the ultrasonic treatment parameter value according to a preset mapping relation between the electric signal pulse emission parameter value and the ultrasonic treatment parameter value; the preset mapping relation is determined based on the target temperature after the target tissue absorbs energy after the electric signal pulse emission parameter value acts on the target tissue; and generating an electric pulse string according to the electric signal pulse emission parameter value, wherein the electric pulse string is used for exciting a treatment head of the ultrasonic treatment instrument to emit ultrasonic waves. According to the embodiment of the invention, through the preset mapping relation between the electric signal pulse emission parameter value and the ultrasonic treatment parameter, the temperature rise possibly caused by the energy output of the electric signal pulse can be accurately controlled, and the accuracy of energy transfer is ensured, so that the risk of skin thermal injury is reduced.

The utility model discloses a nondestructive testing device for detecting the diameter of steel bars in concrete, which comprises an annular rotating support, at least three detection units evenly distributed along the circumference of the annular rotating support, a servo motor for driving the annular rotating support to rotate, a signal processor electrically connected to the detection units, an operating handle mounted on the top of the annular rotating support, and a hydraulic linkage leveling base assembly. The detection unit comprises a coaxially arranged electromagnetic sensor and an ultrasonic transducer. The top of the hydraulic linkage leveling base assembly is rigidly connected to the bottom of the annular rotating support, and the bottom surface of the hydraulic linkage leveling base assembly constitutes the working bottom surface of the device. The nondestructive testing device has the advantages of significantly improved detection accuracy, strong surface adaptability, strong anti-interference capability, stable signal transmission, convenient and flexible operation, high detection efficiency, stable and reliable coupling effect, and the like.