16results about How to "Guaranteed working temperature" patented technology

The application discloses a novel overspeed protection device, which comprises a device body, wherein the device body comprises a base, a support device, an assembling table, a terminal mounting table, a terminal box and a protection device; the support device is provided in one group, and the support device is fixed on the top of the base through welding; the assembling table is fixed on the top of the support device through welding; the terminal mounting table is fixed on the front end of the assembling table through screws; the terminal box is fixed on the terminal mounting table through screws; and the protection device is installed on the top of the assembling table; the protection device comprises an integrated block, a first electromagnetic valve, a second electromagnetic valve, a hydraulic control reversing valve, a safety oil pipe, a pressure oil pipe, an oil return pipe, a pressure switch and a pressure gauge. The device can more accurately control the flow direction and pressure of oil, can quickly and accurately perform protection actions such as safety oil unloading when abnormal conditions such as overspeed occur, and can guarantee the safe operation of equipment and improve safety.

This utility model relates to the field of microwave technology and discloses a microwave transmitter module, including a metal housing, an internal base plate, an L-shaped plate on the base plate, fixing bolts on the L-shaped plate, and several positioning holes on the upper side of the base plate. A transmitting assembly is mounted on the base plate, an antenna is mounted on the right side of the metal housing, and a mounting assembly is located on the front side of the metal housing. An inner shielding layer is installed inside the metal housing, and an outer shielding layer is located inside the inner shielding layer. Heat dissipation fins are mounted on the upper side of the metal housing. In this utility model, by adjusting the position of the L-shaped plate, microwave oscillators of different lengths can be quickly and accurately installed and fixed, meeting diverse usage needs. Furthermore, the disassembly process is clear during microwave oscillator maintenance, greatly improving maintenance efficiency.

The utility model discloses a kind of optical transmission equipment air-cooled heat dissipation box equipment, including heat dissipation box pedestal, the left and right sides of heat dissipation box pedestal upper surface are fixedly connected with heat dissipation side plate, two the heat dissipation side plate upper surface middle is provided with dynamic heat dissipation mechanism, the utility model is provided with dynamic heat dissipation mechanism, when optical transmission equipment works, first motor starts, drive screw rod rotates, the rotation of screw rod drive screw slide block along screw rod moves forward or moves backward, in this process, by second motor drive suction fan blade rotation, heat is discharged through suction fan blade, so that optical transmission equipment heat dissipation carries away heat, maintains equipment normal working temperature, and by dynamic heat dissipation mechanism makes movable arm together with suction fan blade moves, different positions of optical transmission equipment body can be heat dissipated, to avoid that optical transmission equipment body side edge position cannot be effectively heat dissipated.

The utility model relates to a self-heating magnetic fluid sealing device, which comprises a shell unit, an inner shaft, an outer shaft, a sealing unit, a sealing unit and a sealing unit, the shell unit is sleeved outside the inner shaft, and a storage space is formed between the shell unit and the inner shaft; the outer shaft is arranged on the outer side of the inner shaft in a sleeving mode and located in the storage space; the heating mechanism is arranged on the outer side of the outer shaft in a sleeving mode and located in the storage space; wherein the heating mechanism comprises a magnetic pole unit, the magnetic pole unit sleeves the outer side of the outer shaft, and a mounting groove is formed in the magnetic pole unit; the magnet unit is arranged on the outer side of the outer shaft in a sleeving mode, and the magnet unit is located at the end of the magnetic pole unit; the heat pipe is laid in the mounting groove; the heat pipe cover plate is arranged in the mounting groove, and the heat pipe cover plate is laid on the heat pipe; and the sealing cover is arranged in the mounting groove, and the sealing cover is laid on the heat pipe cover plate. By introducing the heating device, the working temperature of the inner magnetic pole and the magnetic liquid is ensured, so that the magnetic fluid structure can be used for transferring a refrigerant and can also bear a certain axial load.

The utility model discloses a battery air -cooled system of solar energy beacon, including heat dissipation subassembly and protection subassembly, heat dissipation subassembly is located on the battery box and the door, and protection subassembly is located on the door and uses with heat dissipation subassembly cooperation, heat dissipation subassembly includes exhaust hood, air inlet and fan, and the exhaust hood is communicated with one side of battery box, and the air inlet is set up on the surface of the door, and the fan is installed in the communication of exhaust hood and battery box. Through the air circulation channel of fan drive, realize the quick conduction and discharge to the battery heat, compared with traditional venting hole heat dissipation mode, effectively promote the heat dissipation efficiency, ensure that the battery operating temperature maintains in the safety interval, and the relative setting of exhaust hood and hinge solves the interference problem of door opening and closing and exhaust path, and the rectangular array distribution of air inlet and air outlet, the maximum ventilation area in the limited space, is applicable to various specifications solar energy beacon battery box.

The utility model relates to the bus duct technical field, concretely relates to a heat dissipation type energy -conserving bus duct, including the top surface of bus duct installation passive heat dissipation component, bus duct side installs the reciprocating type covering mechanism, reciprocating type covering mechanism covers the heat dissipation hole on bus duct side's corresponding position department, bus duct end portion installs the supporting plate, and the supporting plate is perpendicular structure with bus duct, the driving mechanism of driving reciprocating type covering mechanism is installed on the supporting plate and makes reciprocating motion, PLC controller is installed to one side of supporting plate, and temperature sensor is installed on bus duct bottom surface, PLC controller is connected with temperature sensor, the motor of driving mechanism through wire, when reciprocating type covering mechanism leaves the heat dissipation hole, heat dissipation hole, bus duct inner chamber and passive heat dissipation component's L shape heat pipe form dynamic formula heat dissipation channel, can heat quickly, thereby guaranteeing the normal operating temperature of cable in bus duct.

The invention relates to the technical field of display module manufacturing, and discloses a display module environment reliability improving method, which comprises the following steps of: detecting an external environment temperature in real time through a sensor, and transmitting detection data to a whole machine processor; the whole machine processor carries out calculation and analysis according to a preset display module working temperature threshold value and outputs a control instruction; and the heating and heat dissipation system responds to the instruction, independently starts the backboard heating and heat dissipation layer, independently starts the transparent ITO heating circuit layer, or cooperatively starts the two heating and heat dissipation layers to execute heating or heat dissipation actions, so that the overall working temperature of the module is maintained in a stable interval. According to the display module, the heating and heat dissipation layers are arranged on the back plate and the cover plate of the display module, and heating and heat dissipation protection is provided in an extreme module application scene, so that the overall working environment of the module is relatively stable.

The application is based on an X-band power amplifier system of an eight-port radio frequency pulse amplitude control microstrip network, which is composed of a power amplifier driving and sampling comparison module, an eight-port radio frequency pulse amplitude control microstrip network module, a power amplifier module and a power amplifier control and power supply module; a linear frequency modulation pulse signal generated by a radar transmitter is input to the power amplifier driving and sampling comparison module, is amplified by the power amplifier module again through the eight-port radio frequency pulse amplitude control microstrip network module and is output; the power amplifier control and power supply module controls and supplies power to the whole system. The application embeds an eight-port radio frequency pulse amplitude control microstrip network in a radar power amplifier system, directly controls the amplitude of a radar radio frequency pulse envelope signal in a solid-state power amplifier, reduces the sidelobe amplitude of a pulse compression signal in a final receiver, improves the detection ability of a small target and the display effect of a radar echo, and reduces the cost and design complexity of a radar transmitter.

This application provides a solid oxide battery stack and a solid oxide battery system, relating to the field of battery technology. In the solid oxide battery stack, the solid oxide battery includes a first electrode layer, an electrolyte layer, and a second electrode layer. A first flow channel, the first electrode layer, the electrolyte layer, the second electrode layer, and the second flow channel are sequentially arranged, with the first electrode layer exposed in the first flow channel and the second electrode layer exposed in the second flow channel. The filter includes a receiving cavity, a first opening, a second opening, and a hydrogen filter element. The receiving cavity communicates with the first and second openings, and the first opening communicates with the second flow channel. The hydrogen filter element is disposed in the receiving cavity and located between the first and second openings. Hydrogen gas can flow through the first flow channel, and oxygen gas can flow through the second flow channel. The hydrogen filter element can filter out hydrogen gas that flows into the second flow channel due to damage to the solid oxide battery to prevent explosion, and also prevents hydrogen gas in the first flow channel from causing instantaneous pressure shocks to the solid oxide battery.

The invention provides an automatic power control circuit with a constant temperature control function. The automatic power control circuit comprises a variable gain amplifier, a directional coupler, an integrating circuit, a detection circuit and a constant temperature control circuit, the variable gain amplifier amplifies the power of the microwave signal to P1, and outputs the microwave signal of P1 to the directional coupler; the directional coupler outputs a 0.9 P1 microwave signal, and the other 0.1 P1 microwave signal is coupled to the detection circuit; the detection circuit converts 0.1 P1 power of the coupled microwave signal into a direct current level, and outputs a converted level value V0 to the integrating circuit; the constant temperature control circuit automatically controls the temperature of the detection circuit at a preset temperature fixed point in a heating mode; the integrating circuit compares the conversion level value V0 output by the detection circuit with a reference level value V1 input from the outside to control the increase and decrease of the output control level Vt; the control level Vt is used for controlling the gain of the variable gain amplifier; according to the invention, the output signal power in the microwave emission system can be automatically controlled.

The utility model discloses a top-air-out type air conditioner outdoor unit which comprises a machine shell, an air inlet and an air outlet, a mounting cavity is defined in the machine shell, and an outdoor air outlet and an outdoor air inlet are formed in the top and the side portion of the machine shell correspondingly; the electric control box is connected with the machine shell and located outside the mounting cavity, a containing cavity used for mounting the electric control board is defined in the electric control box, and a heat dissipation air inlet part is arranged on the electric control box; the air cooling radiator is mounted on the side face, facing the mounting cavity, of the electric control board, and cooling fins of the air cooling radiator penetrate through the electric control box and extend into the mounting cavity; the air guide piece is arranged in the mounting cavity, the air guide piece is connected with the electric control box so as to cover at least part of the heat dissipation fins and the heat dissipation air inlet part, and a heat dissipation air outlet is formed in the top of the air guide piece; the baffle is arranged above the air-cooled radiator, the downward projection of the baffle in the height direction of the machine shell covers the radiating fins, the height of the bottom end of the baffle is not larger than that of the blade tips of the outdoor fan, foreign matter can be effectively prevented from entering the radiating fin area, filth blockage of the radiating fin area is prevented, and therefore the radiating efficiency is improved.

The utility model relates to the technical field of waste automatic separation, in particular to a magnetic adsorption type precision stamping die waste automatic separation assembly which comprises a magnetic adsorption assembly and a heat dissipation assembly. The heat dissipation assembly is fixed at the upper part of the magnetic adsorption assembly, and heat-conducting silicone grease is filled at the joint of the heat dissipation assembly and the magnetic adsorption assembly; the heat dissipation assembly comprises a plurality of heat dissipation fins which are distributed in parallel, cylindrical grooves are formed in the heat dissipation fins, heat dissipation supports are embedded in the grooves, and the heat dissipation supports are fixedly connected with a heat dissipation fan; when a temperature sensor in the magnetic adsorption assembly detects that the temperature exceeds 75 DEG C, the heat dissipation fan is started and blows air to the heat dissipation fins to accelerate heat dissipation and restrain magnetic force attenuation, an electromagnetic coil is wound by a high-temperature-resistant enameled wire, the heat dissipation fins and the active air cooling system are combined, the temperature sensor is used for monitoring in real time and dynamically adjusting the rotating speed of the heat dissipation fan, and the heat dissipation efficiency is improved. And the working temperature of the assembly is always kept at a proper working temperature.

This utility model discloses an easy-to-install LED video controller, relating to the field of video controller installation technology. It includes a body with a wiring screw fixed to one side and a connecting block fixed to the other side. A sliding groove is formed on the top surface of the connecting block. Limiting frames are symmetrically arranged at both ends of the body. Four foot pads are fixed to the four corners of the bottom of the body. A mounting block is snapped onto the top of the body, and a placement slot for placing a monitor is formed within the mounting block. A protective cover is bolted to the top of the mounting block. This utility model, through the snap-on design, enables quick installation and disassembly, simplifying operation. The protective cover protects the monitor from external physical impacts and dust contamination, while effectively dissipating heat. The spring-loaded telescopic rod automatically adjusts its position according to the monitor size, ensuring stable fixation for monitors of different sizes. This solves the problems of traditional rigid fixing structures being unable to adapt to various monitor sizes and the cumbersome installation process.

The utility model provides a kind of 3D printer's spray head hot end protection device, it is related to 3D printing technical field, comprising: protective outer cover;The protective outer cover is sleeved in 3D printing spray head outside, and two movable clamping columns are connected in protective outer cover inside, and movable clamping column inner end is contacted with 3D printing spray head;The movable sleeve is sleeved in the outside of the protective outer cover, and two bolts are connected in movable sleeve bottom, and bolt is connected with movable clamping column, and nut is threadedly connected in bolt end portion;Reset spring is sleeved in the outside of the protective outer cover.The utility model when protective outer cover is sleeved in 3D printing spray head outside, by protective outer cover, 3D printing spray head protection effect is played, direct touch the body of 3D printing spray head is avoided, and high temperature scald accident occurs;Movable sleeve moves downward under reset spring thrust, and movable sleeve drives two movable clamping columns to move synchronously inward by bolt, so that movable clamping column inner end is closely contacted with 3D printing spray head, and clamping fixed effect is played, and installation is more simple and time-saving.

This utility model belongs to the field of spot welding machine application technology, specifically a plastic sheet spot welding machine, including an operating table; a base plate is fixedly connected to the bottom of the operating table; a control box is fixedly connected to the side wall of the operating table; a temperature control mechanism is provided at the top of the base plate; a material locking mechanism is provided in the middle of the operating table; a filter mechanism is provided below the operating table; a welding mechanism is provided at the top of the operating table; the temperature control mechanism includes a water tank, a water pump, a water outlet pipe, a support rod, and a water spray head; the water tank is placed at the top of the base plate; the water pump is installed inside the water tank; through the structural arrangement of the water pump and the water spray head, the controllability and stability of the welding process are improved by cooperating with the material locking mechanism and the temperature control mechanism, further improving the welding quality, including all steps from sheet material feeding to final product unloading, thus improving the automation level of the entire welding process.