40results about How to "Dissipate in time" patented technology

The invention discloses a dynamic polymer material. The dynamic polymer material comprises a product obtained through reaction of the following components: at least one polyol compound containing two or more 1,2-diol motifs or 1,3-diol motifs as well as at least one phenylboronic acid compound containing two or more phenylboronic acid motifs provided with aminomethyl groups in ortho-positions. Dynamic reversible phenylborate bonds are formed through the reaction of the components and then constitute a dynamic cross-linked polymer. The polymer material has reusability and recoverability because of the dynamic reversibility of the special phenylborate bonds; besides, when the polymer material adopting a specific formula receives external force, dynamic bonds break preferentially to have energy dissipation and stress elimination functions, so that the material has good toughness. The material has broad application prospect in the fields of military space equipment, functional paint and coatings, biomimetic materials, biomedical materials and the like.

The invention relates to a thermoplastic plastic composite tube, which comprises a thermoplastic plastic composite tube body and a joint. The joint comprises a core tube and a jacket, which are buckled on both ends of the tube body; the end of a tube body of the thermoplastic plastic composite tube is expanded in a radial direction, so that the inner diameter of the core tube is equal to the inner diameter of the tube body, an inner layer and an outer layer of the tail end of the end of the tube body are stripped, the expanded end of the tube body is buckled between a trapezoidal tooth groove outside the core tube and a trapezoidal tooth groove of the jacket; and the end of the core tube is a joint connecting part. The thermoplastic plastic composite tube has the advantages of firm joint buckling, good sealing property, high pressure resistance and drawing resistance, the inner diameter of the joint is equal to the inner diameter of the pipeline, and the fluid conveying resistance is reduced.

The invention discloses a dynamic polymer with a hybrid cross-linked network. The dynamic polymer contains common covalent cross-linking and dynamic covalent organic borate bonds. The dynamic polymerintegrates the respective advantages of the dynamic covalent organic borate bonds and the common covalent cross-linking, and polymeric materials of abundant structures and with diversified propertiescan be prepared by regulating the structures of reactants. The high dynamic reversibility of the dynamic covalent organic borate bonds in the dynamic polymer allows the polymer to present the functional characteristics of stimulation responsiveness, self repair performance; the common covalent cross-linking endows the dynamic polymer with certain strength and stability; moreover, based on the dynamic nature of the dynamic organic borate bonds, the dynamic polymer has the characteristics of energy dissipation and energy absorption and the good functions of damping, shock absorption, sound insulation, impact resistance, high toughness and the like. The dynamic polymer can be used for preparing damping and buffering materials, anti-impact protection materials, self-repairing materials, toughmaterials, force transducers, etc.

The invention provides an insulating heat-conducting polymer composite material with frequency selective electromagnetic shielding, the material comprises an insulating heat-conducting layer and two conductive heat-conducting layers, and the two conductive heat-conducting layers are respectively located at two sides of the insulating heat-conducting layer to form an integrated sandwich structure;the insulating heat-conducting layer comprises a polymer matrix and an insulating heat-conducting filler, the insulating heat-conducting filler is selectively distributed at the interface of polymer particles to form an insulating heat-conducting network, each conductive heat-conducting layer comprises a polymer matrix and conductive heat-conducting filler, the conductive heat-conducting filler isdistributed in the polymer matrix to form a conductive heat-conducting network, and the polymer matrix of the insulating heat-conducting layer and the polymer matrix of the conductive heat-conductinglayers have the same composition; the material has frequency selective electromagnetic shielding performance and is insulated in the electromagnetic shielding direction. The frequency selective electromagnetic shielding function is given to an existing heat conduction electromagnetic shielding material, and the new requirements for selective electromagnetic shielding, heat conduction, insulationand the like of the heat conduction electromagnetic shielding material at present can be better met.

The invention discloses a Beidou-positioning based on-board smoke induction broken-windows system which mainly comprises a smoke transducer, a glass check ring, a motor casing, a cushion, a motor, a cam, a taper hammer, a spring, a storage battery, a PCB (printed circuit board), an MCU (microprogrammed control unit), a BDS (Beidou navigation system) module, a BDS (Beidou navigation system) antenna, a relay switch and a circuit. The smoke transducer is installed at the top of an automobile, and the motor casing, the cushion, the motor, the cam, the taper hammer and the spring are installed in the motor casing on the glass check ring; the MCU, the BDS module and the BDS antenna are installed on the PCB. Smoke is produced at the early stage of fire of the automobile, the MCU controls the relay switch to be closed after smoke signals are captured through the smoke transducer, the motor drives the cam to rotate after the motor is powered to start, and automotive glass is constantly shocked through the taper hammer to have the glass smashed; meanwhile, the MCU controls the BDS module to transmit calling-for-help signals to fire and rescue departments.

The invention relates to a flue gas desulfurization and desulfurization wastewater treatment method. According to the flue gas desulfurization and desulfurization wastewater treatment method, a flue gas pre-treatment tower comprises a flue gas/desalted water heat exchanger and a spraying unit; liquid-state desalted water is converted into gas-state desalted water by using flue gas in the flue gas/desalted water heat exchanger, and the gas-state desalted water enters a gas-liquid separator and is separated; the gas phase is compressed, the compressed gas phase enters the gas discharge cylinderon the top of a desulfurization tower to heat and purify the flue gas; the spraying unit is used for spraying a NaOH solution to reduce the flue gas temperature to below the dew point temperature of an acid, the cooled flue gas enters a bag type dust removing device and is treated, and the treated flue gas enters the desulfurization tower; and on the bottom of the desulfurization tower, a proper amount of desulfurization wastewater is subjected to spraying drying by using the flue gas, and the flue gas enters a desulfurization zone and is subjected to desulfurization purification. The invention further relates to a treatment apparatus of the treatment method. With the method and the apparatus of the present invention, the purified flue gas meets the discharge requirement, and the zero discharge of the flue gas desulfurization wastewater is achieved, the white smoke and the blue smoke are simultaneously eliminated, and the flue gas desulfurization and desulfurization wastewater comprehensive treatment cost is reduced.

A bidirectional vibration absorption type rear suspension device of a driving cab of an automobile comprises a left mechanism and a right mechanism. The left mechanism and the right mechanism are bilaterally symmetric, structures of the left mechanism and the right mechanism are consistent, the left mechanism is connected with the right mechanism by oil tubes and a crossbeam, both the left mechanism and the right mechanism consist of upper connecting supports, middle connecting plates and lower connecting supports, upper portions of the upper connecting supports are fixedly connected with thedriving cab, lower portions of the upper connecting supports are movably connected with hydraulic locks, lower portions of the hydraulic locks are fixedly connected with the middle connecting plates by top connecting holes, side connecting holes on the middle connecting plates are hinged with transverse vibration absorbers, the other end of each transverse vibration absorber is hinged with the corresponding lower connecting support, and the oil tubes are connected onto the hydraulic locks. The lateral buffering performance of the bidirectional vibration absorption type rear suspension device is better, movement discordance can be avoided, and smoothness, safety and comfortableness of the driving cab can be improved.

The invention discloses a machining method for a target material. The machining method comprises the following steps: providing the target material, wherein the target material is provided with a surface to be machined; providing a tool, wherein the tool comprises a blade, and a chip discharge groove is formed in the blade; carrying out turning machining on the surface to be machined by adopting the tool to form a sputtering surface, wherein the waste chips generated in the turning process are discharged through the chip discharge groove in the blade. According to the technical scheme of the invention, in the turning process, the generated waste chips can be discharged through the chip discharge groove in the blade; and therefore, the heat generated in the turning process can be timely dissipated, improvement for the heat dissipation capacity of the adopted tool is improved, heat accumulation is reduced, lowering for the temperature of the tool in the turning process is improved, and reduction for the wear of the blade is improved, so that replacement times for the tool is reduced, and increasing for the machining efficiency is improved. In addition, in a machining process for thesputtering surface of the target material, tool setting times after tool replacement can also be reduced due to the reduction of the replacement times for the tool, so that increasing for process efficiency is also improved.

The invention discloses a gene-carrying multifunctional contrast agent. The gene-carrying multifunctional contrast agent comprises a lipid shell membrane; the lipid shell membrane is modified with folic acid, and the surface of the lipid shell membrane is provided with positive charges and carries a gene. The invention aims to provide a preparation method for manufacturing a gene-carrying multifunctional contrast agent as well as application of the gene-carrying multifunctional contrast agent, wherein the multifunctional contrast agent has in-vivo and in-vitro targeting capability, has abilityof enhancing ultrasonic/photoacoustic developing, and has the gene transfection advantage under the action of laser in vivo and in vitro.

The invention discloses a targeted phase change type multi-mode development nano contrast medium. The contrast medium comprises a lipid shell membrane, wherein the lipid shell membrane is loaded witholeic acid ferric oxide nano particles and a drug HCPT, and folic acid is modified on the lipid shell membrane. The invention aims at providing the contrast medium which can achieve multi-mode development and accurate treatment on tumors by carrying out liquid-gas phase change, enhancing development and releasing the drug under the low-intensity focused ultrasound action.

The invention relates to an external ventilation device of a wind power generating frequency converter reactor. The external ventilation device comprises a cabinet body and an iron core dry-type reactor, wherein the iron core dry-type reactor is fixedly installed at the bottom in the cabinet body. The external ventilation device is characterized in that the bottom of the iron core dry-type reactor is fixedly installed on symmetric supporting tables, the supporting tables are fixedly installed on the bottom face of the cabinet body, the upper portion of the bottom face in the cabinet body and the lower portion of the bottom face of the iron core dry-type reactor form a ventilation space, ventilating holes are formed in the bottom face of the cabinet body, and an exhaust fan is fixedly installed at the position, corresponding to the upper portion of the reactor, of the side face of the cabinet body. The external ventilation device is scientific and reasonable in structural design, ensures ventilation in the reactor and timely dissipation of heat produced internally and prolongs the service life of the reactor.

The invention provides a battery thermal runaway protecting part and a preparation method as well as a die thereof. A battery is a single battery or a battery pack; the protecting part comprises a heat insulating unit; the heat insulating unit comprises a cuboid of which two ends are opened; channels parallel to the axis direction of the unit are arranged on opposite side walls in the cuboid; the heat insulating unit is provided with a temperature alarm for alarming when the heat insulating unit reaches threshold temperature; the wall of the heat insulating unit comprises an outer layer, a middle layer and an inner layer. The preparation method of the protecting part comprises the following steps: assembling the die; preparing a flame-retardant material and injecting the flame-retardant material into the die; cooling and demolding; carrying out press forming on a frame molded by casting and a flame-retardant board, wherein the die comprises a casing of which the upper end is opened and a battery model arranged on a casing base plate. The device sufficiently utilizes the flame-retardant and heat-insulating characteristics and the advantages of low density, light weight and the like of the flame-retardant material; by casting molding of the inner layer, the flame-retardant material appears in a specific shape and structure and the flame-retardant and heat-insulating characteristics of the flame-retardant material are sufficiently realized; in addition, the method is simple and feasible, and is convenient to realize.

The invention discloses a new type of LED street lamp, which comprises a lamp pole, a shell, a light-transmitting plate, a connecting pipe, a vacuum pipe, an LED bulb, a mounting plate, a cooling plate, a fan blade, a heat sink, a motor, an output shaft, a semiconductor Refrigeration fins, miniature vacuum pumps, heat dissipation fins, air extraction nozzles, hinges, box doors, springs, filter screens, guide rods, electric push rods, push plates and dust boxes. The invention is simple in structure, novel in design, reasonable in design, and convenient to use; the heat generated by the LED lamp can be dissipated in time through the semiconductor cooling sheet and the fan blade, so that the LED lamp is not affected by high temperature, ensures the lighting effect of the LED lamp, and prolongs the length of the LED street lamp. The service life of the LED street light is reduced, and the maintenance rate of the LED street light is reduced; the negative pressure can be formed in the dust collection box through the micro-vacuum pump, which can effectively absorb the dust in the shell, keep the inside of the shell clean, prevent the LED street light from being damaged, and ensure The normal operation of the road lighting system has a good market prospect and is suitable for promotion and use.

The invention discloses an anti-back-tipping structural piece, an anti-back-tipping device and an engineering machine, and relates to the technical field of engineering machines. The technical problem that in the prior art, the damping effect is poor is solved. The anti-back-tipping structural piece comprises a seat body and damping particles, wherein the seat body is provided with a movable cavity and an embedding opening communicated with the movable cavity; the damping particles are arranged in the movable cavity in a filling manner and occupy partial space of the movable cavity, and the damping particles can dissipate vibration energy on a stretchable movement piece at least through the manners of friction of the stretchable movement piece embedded in from the embedding opening or non-elastic collision between the damping particles. The anti-back-tipping device comprises the stretchable movement piece and the anti-back-tipping structural piece provided in the invention. The engineering machine comprises an arm support, a rotary table, a propeller strut and the anti-back-tipping device provided in the invention. By means of the anti-back-tipping structural piece, the anti-back-tipping device and the engineering machine, the damping effect of the anti-back-tipping structural piece is improved.

The invention discloses a drum-type gear with oil supply and lubrication functions. The drum-type gear comprises a gear base body, drum-type teeth, micropore grooves, a shaft hole and key groove holes, wherein the drum-type teeth and the gear base body are integrated, the micropore grooves are formed in the tooth faces of the drum-type teeth, the shaft hole is formed in the center position of the gear base body, the key groove hole is formed in the inner wall of the shaft hole, the micropore grooves are evenly formed in the contact area of the front tooth face and the rear tooth face of each tooth of the drum-type teeth, the number of the micropore grooves in each tooth face is 6-12, the micropore grooves are distributed in the tooth surface contact areas in an annular array mode, and each micropore groove is in conical transition from large to small from the outer edge to the center. According to the drum-type gear, lubricating oil on the end face of a gear pair can permeate into a contact interface, circulating flow of a lubricating agent is formed between the contact interfaces, efficient lubrication of the drum-type gear is guaranteed, and the working requirement of continuous casting and rolling metallurgy transmission equipment is met.

The invention discloses a laser emitting device comprising a laser emitting unit, a FAC lens, a heat sink, and a laser reflecting unit, wherein the laser reflecting unit includes a laser deflector anda reflecting mirror, and the FAC lens is provided between the laser emitting unit and the laser deflector; the laser emitting unit, the FAC lens and the laser deflector are mounted on the heat sink.In the invention, the laser emitting unit is installed on the heat sink, which can dissipate the heat generated by the laser emitting unit during operation and avoid damage to the device; in addition,the reflecting unit optimizes the propagation light path inside the laser emitting device, thereby achieving the characteristics such as compact overall structure, simple assembly, and high testing performance of the laser emitting device has, and also solving the problem of heat dissipation of the multi-line laser emitting unit.

The invention discloses a shock-resistant all-terrain locomotive power supply system with good stability, and the system comprises a placing frame, a bearing plate and a switch cover plate; the bearing plate is arranged at the inner bottom of the placing frame, and the switch cover plate is arranged at the top of the placing frame; and damping springs are connected to the bottoms of the two sides of the inner wall of the containing frame. Through the arrangement of the bearing plate, a good supporting structure can be provided for the power source, the movable clamp, the transmission rod, the movable block and the damping spring are matched for work, the damping spring can provide reverse supporting force for the damping spring according to the elasticity of the damping spring, and therefore the buffering purpose is achieved, and good anti-seismic performance can be provided for the power source; in addition, the connecting clamping plate, the limiting sleeve, the return spring and the fixing clamping plate are matched for work; after a power source is placed in the connecting clamping plate, the return spring drives the connecting clamping plate and the fixing clamping plate to get close to the middle according to the elasticity of the return spring, and therefore, the structure can be clamped on the two sides of the power source, and the return spring can provide a better limiting effect for the structure according to the elasticity of the return spring.

The invention discloses a heat dissipation structure of an LED explosion-proof light, and belongs to the field of illumination. The heat dissipation structure comprises an LED light source, a heat dissipation body, a light shield installed at the front end of the heat dissipation body and a support fixed below the heat dissipation body, a water storage chamber is formed in the heat dissipation body and is composed of a large water chamber and a small water chamber, and the LED light source is arranged in the middle of the small water chamber. The heat dissipation structure has the advantages that the structure is compact and the heat dissipation effect is obvious.