22results about How to "Reduce cooling pressure" patented technology

The invention relates to the field of phenolic resin adhesives, and particularly discloses a preparation method of a phenolic resin adhesive for a bamboo oriented strand board, which comprises the following steps: (1) phenol activation: adding phenol and a basic catalyst aqueous solution into a reaction kettle, and activating to form an intermediate state of phenate negative ions; (2) addition stage: adding a high-concentration formaldehyde reactant into the reaction kettle, and carrying out heat preservation reaction to generate hydroxymethyl phenol; (3) heating and replenishing: heating to 80 + / -2 DEG C, keeping the temperature, replenishing the formaldehyde aqueous solution into the reaction kettle, and keeping the temperature for 20-25 minutes; (4) polycondensation stage: adding a basic catalyst aqueous solution, heating to 90 + / -2 DEG C, and carrying out heat preservation reaction; and (5) terminating the reaction: after the heat preservation reaction, detecting the viscosity, cooling, and discharging to obtain the adhesive. The phenolic resin with the solid content of 60% or above can be prepared, the adhesive has excellent bonding performance, and the prepared shaving board is excellent in mechanical strength.

An electrically-stirred solid-state microwave heating device comprises a solid-state microwave source, microwaves generated by the solid-state microwave source are radiated into a heating cavity or a heating space through an antenna array, an antenna housing is arranged between the antenna array and the heating cavity or the heating space, and a metal heat dissipation plate is attached to the side, away from the antenna housing, of the solid-state microwave source. A heat dissipation air channel is further arranged between the solid-state microwave source and the metal heat dissipation plate. Multiple paths of microwave signals with adjustable frequencies, amplitudes and phases are generated through a solid-state microwave source and are fed into an antenna array, electromagnetic energy of multiple branches is synthesized in space, different radiation states are generated according to control signals, and the heating effect of electric stirring is achieved; the metal heat dissipation plate and the heat dissipation air channel can timely dissipate heat generated by loss of the solid-state microwave source; electromagnetic energy radiated by the antenna array passes through the antenna housing, and the antenna housing can package the antenna array. The device has the advantages of being uniform in heating, good in heat dissipation performance, compact in structure and high in cleanliness.

The application discloses an energy-saving LED display screen with a reverse common cathode and a driving method thereof, and belongs to the technical field of LED display. The application aims at the problem that the single voltage power supply of the traditional common anode LED display screen leads to high power consumption and serious heat generation of the first display content LED, and adopts a reverse common cathode structure of dynamic anode voltage switching + cathode time-sharing gating: the ICND2018 row driving IC provides switchable double voltages for the common anode of the LED, outputs 2.6~2.8V low voltage when the first display content is displayed, and outputs 3.6~3.8V standard voltage when the second display content and the third display content are displayed; three pieces of ICND1065L16 channel constant current sink column driving IC are matched to independently control the three-color cathodes of the first display content, the second display content and the third display content, and precise power supply of color separation is realized. Under the premise of being fully compatible with the existing SMDTOP three-in-one common anode lamp beads, the first display content LED loop voltage difference is reduced from 1.8V to 0.8V, and the power consumption of the single first display content lamp is reduced by about 55%.

The application discloses a kind of in-service energy storage battery performance evaluation method, belong to the technical field of energy storage battery safety monitoring.Evaluation method is by analyzing the overall data characteristics of energy storage battery cluster, constructs distributed multi-scale deep learning joint statistical regression algorithm, forms experience model;Wavelet analysis fusion addition counter is constructed, according to the power unit time cumulative principle, the cumulative power difference is calculated to determine the relative output difference of single compared with the remaining battery in the same group.Simultaneously, because the current of series battery is equal, only voltage difference exists, so current value data is not used, and voltage is used for monitoring.The application fuses deep learning experience model, wavelet analysis method, and combines the difference of vehicle-mounted computing power and traditional CPU, reduces the computing power consumption, vehicle-mounted energy consumption and heat stress, improves the safety performance of energy storage battery pack, prolongs the overall calendar life of battery, improves the battery resource utilization efficiency, and reduces the life cycle cost of battery.

This utility model provides a filtration device for a laminator, relating to the field of laminator filtration technology. It aims to solve the problems of poor filtration efficiency in existing vacuum pumps that use conventional paper filter elements to filter the gas generated during vacuuming. This allows impurities such as welding slag and iron filings to penetrate the filter element and enter the vacuum pump cavity, affecting normal operation. Furthermore, the accumulation of impurities and dust necessitates frequent inspection, maintenance, and upkeep of the vacuum pump and filter, increasing maintenance costs. The proposed device includes a vacuum pump system with a laminator vacuum valve installed on its left side. A filter tank system is installed between the vacuum pump system and the laminator vacuum valve. The tank serves as a pre-vacuum tank to pre-vacuum the cavity. A bypass design is used; after pre-vacuuming, the filter tank's function is disabled, and the pump directly evacuates the cavity, reducing pump load, effectively improving equipment evacuation efficiency, reducing vacuum pump filter consumption, and minimizing pump maintenance.

The invention discloses a device and method for recycling lost heat of a copper dissolving tank, belonging to the technical field of electrolytic copper foil, comprising: a copper dissolving tank, a low-level tank and a plate heat exchanger; an overflow pipe is connected between the copper dissolving tank and the low-level tank; the invention realizes the circulation of the solution in the copper dissolving tank through a spray pump group and a spray main pipe, and then forms a circulation pipeline with the low-level tank and the copper dissolving tank through a copper supplement pipe and an overflow pipe; under the transportation of the copper supplement pump group, the solution in the low-level tank is introduced into the copper dissolving tank, and then refluxed through the overflow pipe; at the same time, a plate heat exchanger is arranged between the low-level tank and the copper dissolving tank, and the solutions in the copper dissolving tank and the low-level tank are respectively introduced into the plate heat exchanger through the spray bypass pipe and the copper supplement pipe to realize heat exchange, which can not only greatly increase the temperature of the solution in the copper dissolving tank, but also reduce the temperature of the solution in the low-level tank, and reduce the cooling pressure of the cooling water at the rear end; the heat is reasonably utilized to reduce energy consumption.

The invention relates to a super-capacitor-based direct current energy consumption device which is connected with the positive electrode and the negative electrode of a direct current bus and comprises a first isolation switch, a second isolation switch, a first direct current inductor, a second direct current inductor, a first direct current transformer, a second direct current transformer, a plurality of MMC modules and a plurality of super-capacitor modules. When a power grid fails, surplus power can be absorbed, voltage stability is maintained, and equipment is protected; the surplus power is stored in the super capacitor, so that a large amount of heat is not generated, and the pressure of heat dissipation is reduced; when the direct-current voltage of the power grid is low, the energy in the super capacitor can be released to support the direct-current voltage, so that the stability of the power system is facilitated; by adopting the control strategy provided by the invention, the charging current of the super-capacitor sub-module can be controlled, the requirement of quick charging can be met, and the overlarge charging current can be prevented from burning components.

The application provides a kind of high efficiency DC-DC power module of power saving type for tractor, it is related to power module technical field, including substrate, DC-DC power module, top plate, air-cooled heat sink and at least one heat conducting piece.The application, by setting heat conducting piece between the heat generating element of DC-DC power module and top plate, the equivalent thermal conductivity of the heat conducting piece from first end (heat source end) to second end (top plate end) shows decreasing trend;It is realized that the equivalent thermal conductivity is high near the heat generating element, the heat can be quickly exported from heat source, avoid heat accumulation to cause element junction temperature too high;With the heat transfer along the heat conducting piece to top plate direction, the equivalent thermal conductivity gradually reduces, and the heat flow transmission capacity weakens, to make heat more dissipate through the side wall of heat conducting piece to the surrounding environment (especially the airflow driven by air-cooled heat sink).

The utility model discloses an air compressor air suction mixing type cooling device which comprises an air compressor, a mixer is connected to an inlet of the air compressor, a cold compressed air atomizing nozzle is installed on the side wall of the mixer, and the cold compressed air atomizing nozzle is connected with an electromagnetic valve. An inlet of the refrigerated dryer is communicated with an outlet of the air compressor; the cold compressed air conveying assembly is connected to an outlet of the refrigeration type drying machine and connected with the electromagnetic valve, and part of unutilized cold energy (compressed air with the low temperature) at the outlet of the refrigeration type drying machine is conveyed to the refrigeration type drying machine through the cold compressed air conveying assembly. And the air is conveyed to the cold compressed air atomizing nozzle to precool the air at the inlet of the air compressor, so that the efficiency of the air compressor is improved. The utility model solves the problems that the energy consumption of the cooling water pump is increased, the temperature of the outlet of the air compressor is increased and the efficiency of the compressor is reduced due to higher outdoor temperature in the high-temperature summer in the background technology.

The utility model provides a dustproof air guide housing of a frequency converter. The dustproof air guide housing comprises a hollow cavity formed by peripheral side walls of an electric cabinet; the frequency converter shell is arranged at the left side or right side vertex angle of the top of the electric cabinet and is arranged in the cavity through bolt connection; the exhaust module is arranged on one side, close to the inner wall of the bottom of the cavity, of the top of the frequency converter shell through bolt connection; the air inlet module is arranged on one side, far away from the bottom inner wall of the cavity, of the top of the frequency converter shell through bolt connection; the bottom of the air guide shell is arranged in the cavity through bolt connection, and one side of the air guide shell is connected with one side, close to the exhaust module, of the frequency converter shell through bolts; the reverse-blade fan rotates to dissipate heat of a frequency converter component on one side of the frequency converter shell; air flow subjected to heat exchange is mixed with air injected into the cavity through the first air inlet key groove type through hole and the second air inlet key groove type through hole to form mixed flow, and the mixed flow dissipates heat of frequency converter components on the other side in the frequency converter shell through heat exchange and then is discharged out of the cavity through the air outlet groove.

The invention discloses a non-contact, non-invasive laser fat reduction and body shaping robot system, comprising a laser light source module, a cooling system module, a treatment head, a mechanical arm and a control module; the laser light source module outputs laser and transmits it to the treatment head; the cooling system module sprays cold air; the treatment head is fixed at the front end of the mechanical arm, and data collected before treatment is sent to the control module; during treatment, the distance between the treatment head and the treatment area, the skin surface temperature of the treatment area, and the image of the treatment area monitored in real time are sent to the control module; the mechanical arm moves according to instructions to adjust the treatment head; before treatment, the control module inputs the image of the treatment area into a segmentation mask model to obtain a segmentation mask, obtains the thickness of the tissue layer, and formulates a treatment plan; during treatment, the mechanical arm movement is controlled according to the distance, the predicted temperature of the subcutaneous tissue is obtained according to the temperature prediction model, and the laser light source module and the cooling system module are controlled; according to image comparison and analysis, the mechanical arm is controlled to adjust in reverse according to tiny movements of the human body.

The invention provides an alternating-current power supply parallel operation communication control method, device and equipment and a storage medium, and relates to the technical field of power supplies, and the method comprises the steps: dividing a plurality of single-phase alternating-current power supply modules into a host or a slave through a first control sub-module in combination with configuration parameters; generating a handshake request signal through a second control sub-module of the host, and sending a handshake request to the second control sub-module of any slave connected with the host by using the Type-C parallel operation line; forwarding the handshake request by using a Type-C parallel operation line through a second control sub-module of the slave, and judging whether the host forms a handshake closed loop with all the slaves or not through a second control sub-module of the host; and if yes, performing data communication control through a second control sub-module of the host and a second control sub-module of the slave according to the combination mode and the phase mode of the alternating current power supply parallel operation system. The alternating current power supply parallel operation communication effect is improved through the alternating current power supply parallel operation system.

The invention relates to the technical field of hydrofluoric acid processing, in particular to an electronic-grade hydrofluoric acid processing system which comprises a raw material tank for storing liquid hydrogen fluoride, a dilute hydrofluoric acid tank for storing dilute hydrofluoric acid, a pure water tank for storing pure water and a finished product tank for storing finished hydrofluoric acid. A heat exchange module for heating liquid hydrogen fluoride into gaseous hydrogen fluoride is mounted at the output end of the raw material tank through a pipeline, a purification tower for removing impurities in the gaseous hydrogen fluoride is mounted at the gas output end of the heat exchange module through a pipeline, and a gas storage tank is mounted at the gas outlet end of the purification tower through a pipeline; an absorption tower is mounted at the output end of the gas storage tank through a pipeline; an absorption kettle is mounted at the liquid outlet end of the absorption tower; after the hydrogen fluoride liquid is gasified, impurities in gaseous hydrogen fluoride are removed to obtain high-purity gaseous hydrogen fluoride, and then hydrofluoric acid with the concentration gradually increased is generated in combination with pure water until the electronic-grade hydrofluoric acid conforming to process indexes is obtained.

The invention provides a radio-over-fiber link device based on a vertical cavity surface semiconductor device and electronic equipment, and the radio-over-fiber link device comprises an antenna array, a TR assembly, a laser array, a photoelectric detector array and a signal processing assembly, and a radio-over-fiber link comprising a transmitting and receiving bidirectional link is constructed through the cooperation of all the assemblies. Wherein radio-frequency signals received by the antenna array in the receiving link are amplified and filtered by the TR assembly, then electro-optical conversion and transmission are completed by the laser array, and the radio-frequency signals are restored into the radio-frequency signals by the photoelectric detector array and then are demodulated by the signal processing assembly; and in the transmitting link, a radio frequency signal is generated by the signal processing assembly, is converted into an optical carrier signal by the laser array for transmission, is restored by the photoelectric detector array, is processed by the TR assembly, and is transmitted by the antenna array. According to the invention, the long-distance transmission advantage of the optical carrier signal is enhanced, the overall power consumption and the heat dissipation pressure of the link are greatly reduced, and the stability and the large-scale application suitability of the optical carrier radio frequency link are improved.

The utility model belongs to the technical field of non-contact temperature measurement, and particularly relates to a temperature measuring device. The temperature measuring device comprises a measuring tube which is arranged on the furnace wall in a penetrating mode, one end of the measuring tube is a radiation incident end extending into the furnace, and the other end of the measuring tube is a radiation emergent end located outside the furnace; the light shield is mounted at the radiation incident end; the thermodetector is arranged at the radiation emitting end of the measuring tube and is used for receiving the infrared radiation emitted by the radiation emitting end; the measuring pipe cools a measuring channel from two angles of ventilation cooling and heat source isolation so as to ensure long-term stable work; a light shield is arranged at the tail part of the measuring tube, so that most of heat radiation from a non-measured part can be shielded, the situation that unnecessary interference radiation enters a measuring channel and is mistakenly detected by a thermodetector is reduced, the cooling pressure of the measuring tube can be reduced, the cooling effect is improved, and the measuring accuracy is further ensured; the measuring tube is of an integral structure, so that disassembly and assembly are more convenient and flexible.

This invention discloses a multi-powered combined unmanned aerial vehicle (UAV) intelligent cooling system, specifically comprising a core control unit, a power unit, an execution layer unit, a perception layer unit, and a decision-making layer unit. The physical components of each unit are integrated into a frame to form a flight module. The core control unit coordinates the operating conditions of the power unit and the cooling actions of the execution layer unit via a data bus. Temperature sensors in the perception layer unit collect real-time temperature data from the engine block, radiator, and main cooling channel. The decision-making layer unit dynamically generates drive signals based on the temperature data and the engine ECU's requirements. The system innovatively uses hollow tubing within the frame to form the main coolant channel, combining a liquid-cooled engine with an air-cooled radiator to form a composite cooling circuit. Intelligent flow regulation is achieved through solenoid valves and a circulating water pump, providing three modes: basic coordination, differential temperature control, and fuel preheating. This invention upgrades the UAV cooling system from passive heat dissipation to active thermal management, improving the operational efficiency and reliability of multi-powered UAVs.

The present invention relates to a truss-type double-wall heat insulation device for an engine combustion chamber, comprising a film hole plate layer, an impact hole plate layer and a sandwich Pozi truss for forming the inner wall of the combustion chamber cylinder, the sandwich Pozi truss is composed of four truss rods, the midpoints of the four truss rods intersect each other to form a central intersection, and the two ends of the four truss rods are respectively connected to the impact hole plate and the film hole layer; the film hole matching the sandwich Pozi truss is arranged on the film hole plate; the impact hole matching the sandwich Pozi truss is arranged on the impact hole plate, and the present invention also provides a method for forming a cold air film by the device, wherein the film holes and the impact holes are matched to form four longitudinal cooling vortex systems extending in the airflow direction between the film hole plate layer and the impact hole plate layer, and a film cold air heat insulation layer is formed on the outer wall surface of the film hole plate. The present invention has a simple structure and high strength, improves the engine operating temperature and service life, and also improves the strength.

The noise reduction type motor comprises a shell and a mounting mechanism, an end cover is arranged at the end of the shell, an air collecting cover is arranged at the end, away from the shell, of the end cover, a cooling ring shell is arranged on the peripheral side of the shell, and a third bearing is fixedly connected to the center of the side, away from the shell, of the end cover; by arranging the special air duct structure, when air is discharged, air generates bending and turbulent flow at the air duct, and the air noise of the discharged air is reduced; water cooling is formed through cooperation of a first spiral cold liquid copper pipe and a second spiral cold liquid copper pipe, when air is exhausted from a fourth air hole, the air is bent, heat dissipation can be better conducted on a heat conduction fin plate at the position, liquid vaporized in the first spiral cold liquid copper pipe can be cooled, auxiliary heat dissipation work can be conducted, and the heat dissipation efficiency is improved. Therefore, the heat dissipation pressure of the heat dissipation fan is reduced, the rotating speed of the heat dissipation fan can be reduced, noise generated when the heat dissipation fan shears air is reduced, an additional water cooling mechanism does not need to be arranged, and economic benefits are higher.

This invention discloses a liquid-cooled circulating cooling battery swapping cabinet for liquid-cooled batteries, relating to the technical field of battery thermal management and battery swapping equipment. The invention includes: a guide slide installed inside the cabinet; a battery swapping chamber slidably connected to the inner wall of the guide slide; an elastic telescopic rod fixedly connected to the inner wall of the cabinet; an electric telescopic rod fixedly connected to the left side of the battery swapping chamber; and a heat dissipation mechanism for ventilation and heat dissipation provided on the inner wall of the battery swapping chamber. This invention can cool the battery during the battery swapping process of new energy liquid-cooled batteries, avoiding excessively high battery temperatures and low swapping efficiency due to long swapping times. The cooling medium circulates in a closed loop within the tank, significantly increasing the heat exchange area and thermal conductivity between the battery and the cooling medium, preventing localized high temperatures and rapid temperature rise, and improving charging safety and battery lifespan.

The short-time accurate thermal control system comprises a liquid storage device, one end of the liquid storage device is communicated with the inlet end of a working medium conveying pump, the other end of the liquid storage device is communicated with a temperature control valve, and the outlet end of the working medium conveying pump is communicated with the inlet end of a flow channel of the high-power device. The flow channel outlet end of the high-power device is communicated with the temperature control valve; the temperature control valve is further communicated with one end of the working medium reflux pump, the other end of the working medium reflux pump is communicated with one end of the cold box, and the other end of the cold box is communicated with the heat dissipation assembly; and a one-way valve is arranged between the flow channel outlet end of the high-power device and the temperature control valve. According to the short-time accurate thermal control system for the high-power device, different flow requirements can be met for different high-power devices, the flow and the flow velocity of a working medium are controllable, meanwhile, the temperature of the inlet end of a flow channel of the high-power device and the temperature of the outlet end of the flow channel of the high-power device are controlled to be constant, and accurate temperature control is achieved.

The application discloses a multi-dimensional uniform-temperature radiator, which comprises a front-end cavity of a radiator frame, a mounting plate arranged in the front-end cavity, an adjusting groove arranged at the rear end of the mounting plate, movable mounting strips arranged at the two sides of the adjusting groove, an internal cavity above a side heat dissipation plate and a middle heat dissipation plate, a distribution frame fixed in the internal cavity above the side heat dissipation plate and the middle heat dissipation plate, an adjusting assembly arranged in the mounting plate and the mounting disc, upper support plates slidably arranged at the two sides of the upper half of the middle heat dissipation plate and the side heat dissipation plate, telescopic rods fixed between the upper support plates and lower support plates on the middle heat dissipation plate and the side heat dissipation plate, air guide hoses connected between the two sides of the middle heat dissipation plate and the side heat dissipation plate, and support rods rotatably arranged between the middle of the middle heat dissipation plate and the upper support plates and the lower support plates on the side heat dissipation plate. The multi-dimensional uniform-temperature radiator can uniformly dissipate heat from inside to outside and can be suitable for electric elements of different sizes.

The invention provides a heat dissipation method for a computer information management system, and relates to the technical field of computers, and the heat dissipation method comprises the following steps: S1, detecting the temperature of a cooling fin by using a temperature acquisition device; s2, the rotating speed of a fan is determined based on the temperature of the cooling fins; s3, a fan is used for heat dissipation; and S4, waiting for a preset time value. According to the method, active heat dissipation is carried out in a mode of gradually increasing the rotating speed of the fan according to heat in the computer, and energy waste caused by too high rotating speed of the fan is avoided while the heat dissipation effect is guaranteed; after it is judged that the temperature of the cooling fins reaches the first temperature threshold value and the fan is adjusted to the first rotating speed for heat dissipation, if the temperature of the cooling fins is decreased, the fan is adjusted to the first rotating speed before the rotating speed of the fan is decreased every time. The distance for reducing the fan rotating speed this time is obtained through the difference value between the previous fan rotating speed and the first rotating speed and the cumulative time when the temperature of the cooling fins meets the first temperature threshold value, and energy waste caused by too high speed reduction is avoided while the cooling effect is guaranteed.