58results about How to "Avoid conduction" patented technology

The utility model discloses a novel pressure coffee machine, including frame component, base component, water pump, support component and heating pot, base component includes base body and bottom cover, frame component includes main frame, front cover and top cover, and is provided with vertical chamber in main frame, and main frame is connected with front cover and top cover, and lower extreme is connected with base body, support component includes water pump support and buffer connecting piece, water pump support sets up in vertical chamber, and is provided with installation chamber in the inside, and the upper end of water pump support is connected with main frame, and the lower extreme is connected with bottom cover after penetrating base body, and water pump is set up in installation chamber through buffer connecting piece, and buffer connecting piece and water pump support quick -release type clamping connection. The utility model discloses through setting up the support component with damping structure between water pump and main frame, and to the mounting mode and structure design of support component, avoid the vibration of water pump work to be conducted to complete machine, effectively block the noise transmission to the outside, improve the experience feeling, prolong the life.

The utility model discloses a kind of heat preservation airtight inspection grain door, including door frame, the inside left and right sides of door frame are hinged with door panel by hinge, further including sealing heat preservation mechanism;Sealing heat preservation mechanism: it includes baffle, avoidance groove, recess, sealing ring, L type slot, installation slot, sealing ring and heat preservation assembly, recess is set in the outer surface of the door panel, recess is equipped with sealing ring in its inside, the left side of the door panel of right side is equipped with baffle, the right side of the door panel of left side is equipped with avoidance groove, two door panels close, the front side of baffle and the back side of avoidance groove are pasted, this heat preservation airtight inspection grain door, sealing heat preservation mechanism is sealed to granary, when door panel closes, sealing ring and sealing ring cannot be exposed in outside, avoid the case of the occurrence of the sealing property of granary door due to sealing ring and sealing ring exposed easily aging or being gnawed by rodent, and heat preservation effect is good.

The utility model relates to a kind of hot steam humidifiers, it includes: base, box, heating can and top cover, heating piece is equipped in base. Box is installed on base, its top has opening, its bottom is provided with let go of mouth, and opening and let go of mouth are respectively communicated with the inside of box. Heating can is installed in box, and the inner wall between its outer wall and box is enclosed to form water storage cavity, heating can is hollow to form heating cavity, heating cavity is communicated with heating piece by let go of mouth, and heating piece is used to heat the liquid in heating cavity. Top cover is connected with box, to close opening, and top cover is provided with mist outlet hole communicated with heating cavity on it. Wherein, heating cavity and water storage cavity have water passing cavity, the top end of water passing cavity has water passing hole communicated with water storage cavity, and water passing cavity is equipped with ball float for opening or plugging water passing hole, when ball float opens water passing hole, water storage cavity and heating cavity are communicated by water passing cavity, when ball float plugs water passing hole, water storage cavity and heating cavity are not communicated.

The utility model belongs to the technical field of solid waste resources, and particularly relates to solid waste resourceful treatment integrated equipment based on pyrolysis gasification, which comprises a pyrolysis gasification furnace, a feeding port is arranged on one side of the pyrolysis gasification furnace, and a control box is arranged on the outer wall of the other side of the feeding port. Two inserting plates are symmetrically welded on one side, facing the outer wall of the pyrolysis gasification furnace, of the control box; according to the utility model, the control box is mounted, and the two insertion plates on one side of the control box penetrate through the corresponding rectangular grooves in the heat insulation plate, so that the two notches in the insertion plates can be clamped with the corresponding stop levers and are positioned. In addition, when the inserting plate penetrates through the heat insulation plate, the arc-shaped outer wall of the inserting plate can extrude the clamping tongue into the inner cavity, when the inserting plate is installed in place, the spring can push the clamping tongue to reset at the moment, and therefore the clamping tongue can be in butt joint with the inserting opening. As the heat insulation plate is in butt joint with the pyrolysis gasification furnace through the fixing strips on the two sides of the heat insulation plate, the control box can be in butt joint with the pyrolysis gasification furnace conveniently through the structure.

A semiconductor processing device and its base support assembly include a central support pillar and at least three edge support pillars. The central support pillar coincides with the central axis of the base, limiting base eccentricity after heating and solving the eccentricity problem caused by the different linear expansion of the support pillar and the base. By reducing the cross-sectional area of ​​the central support pillar, the influence of light refraction and reflection on the thermal radiation optical path of the base is reduced. By reducing the contact area between the support pillar and the base, temperature conduction is reduced, thereby improving temperature uniformity. Each support pillar includes an upper pillar and a lower pillar made of different materials. The light absorption rate of the upper pillar is the same as or similar to that of the base, making the temperature difference between the upper pillar and the base approach zero, ensuring good temperature uniformity of the base. The upper pillar has extremely low thermal conductivity, which can block heat conduction from the upper pillar to the lower pillar, reducing heat loss, ensuring heat balance of the base, and improving the temperature distribution uniformity of the substrate.

The utility model discloses a kind of composite aluminum alloy windows of high-efficiency sound insulation and heat insulation, including two groups of beam body, sound insulation cavity is set in the beam body, sound insulation block is filled in the sound insulation cavity, multiple hexagonal through-holes are passed through and set in the outer wall of sound insulation block, two groups of the beam body are connected by heat insulation bridge, the outer wall of beam body is provided with connecting groove and connecting along, multiple support columns are set in the sound insulation cavity, multiple the support column is obliquely arranged alternately, and inside is hollow shape.The utility model fills sound insulation block with hexagonal through-hole in beam body sound insulation cavity, and the layout of zigzag of hollow support column is alternately inclined, convert traditional single, double-cavity linear type sound wave path into composite path of multiple refraction+multiple reflection, effectively weaken the penetration of medium-high frequency noise, simultaneously, hollow structure of support column can be filled with sound-absorbing material, further inhibit structure sound transmission, solve the problem that traditional profile cavity directly conducts noise and is easy to deform after filling.

The invention relates to the technical field of polymethyl methacrylate, and discloses a flame-retardant polymethyl methacrylate material and a preparation method thereof.The flame-retardant polymethyl methacrylate material is obtained by reacting polymethyl methacrylate, a hydroxyl-terminated flame retardant and p-toluenesulfonic acid. The linear polymethyl methacrylate is crosslinked into a three-dimensional network structure, so that the crosslinking degree between molecular chains is enhanced, the molecular chains are not easy to slip under stress, good structural stability is maintained, and the polymethyl methacrylate has high tensile strength and bending strength. The flame retardant contains piperazine rings and phosphate structures, forms an intumescent flame-retardant system, generates phosphoric acid substances, nitrogen and other gases during combustion, promotes dehydration of a matrix to form an intumescent carbon layer, isolates oxygen, prevents heat conduction, inhibits the combustion process, remarkably reduces the peak value of the heat release rate and the total heat release amount, and has excellent flame-retardant performance.

This invention discloses a method and system for rock mass integrity discrimination based on core image and parameter fusion, comprising the following steps: Step 1: Acquire core images and divide them into multiple image blocks; Step 2: Generate image block structure state vectors; Step 3: Acquire structural parameters and map them into the latent space, perform structural similarity matching discrimination, and generate structural parameter semantic vectors; Step 4: Construct an improved CoFormer model, inputting the image block structure state vectors into the structure state projection branch and the structural parameter semantic vectors into the parameter semantic constraint branch, and outputting a local rock mass integrity score; Step 5: Construct an asymmetric cross-image block inference structure between image blocks; Step 6: Obtain the evolution result of the overall rock mass structure; Step 7: Output the overall integrity level discrimination result of the corresponding rock mass. This invention combines the improved CoFormer model and the asymmetric cross-image block inference structure to achieve intelligent rock mass integrity discrimination.

The invention belongs to the technical field of traditional Chinese medicine, and particularly discloses a traditional Chinese medicine composition for treating fibromyalgia syndrome and a preparation method and application thereof.The traditional Chinese medicine composition is prepared from radix polygoni multiflori preparata, fructus citri sarcodactylis, radix pseudostellariae, caulis spatholobi, flos rosae rugosae, rhizoma dioscoreae, semen lablab album, rhizoma curcumae longae, lucid ganoderma, arillus longan, flos albiziae and fructus ziziphi jujubae. The traditional Chinese medicine has the effects of soothing liver and strengthening spleen, nourishing and activating blood, calming heart and tranquilizing mind, and activating meridians Pharmacodynamic experiment research and clinical observation results show that the traditional Chinese medicine composition can significantly relieve pain of patients and improve depressive symptoms, and can be used for treating fibromyalgia syndrome.

The invention discloses a high-temperature fire-resistant heat-insulation carbon fiber composite material which comprises the following components in parts by weight: 35-50 parts of wollastonite-feldspar composite powder, 25-35 parts of modified porous mullite aggregate, 12-20 parts of calcium aluminate cement, 2-8 parts of modified short carbon fibers, 1.5-2.5 parts of sodium dodecyl benzene sulfonate and 1-2 parts of sodium tripolyphosphate. The preparation method comprises the following steps: S1, weighing the wollastonite-feldspar composite powder, the modified porous mullite aggregate, the calcium aluminate cement and the modified short carbon fibers in proportion, and carrying out dry mixing; s2, adding water into sodium dodecyl benzene sulfonate and sodium tripolyphosphate, and stirring to obtain an auxiliary agent aqueous solution; s3, adding the auxiliary agent aqueous solution into the dry powder mixture, and stirring; s4, transferring the slurry into a mold for hydraulic forming; s5, the formed blank is subjected to curing, demolding, drying, high-temperature sintering and cooling, and the high-temperature fire-resistant heat-insulation carbon fiber composite material is obtained. The fire-resistant and heat-insulating carbon fiber composite material produced by the invention can improve the high temperature resistance and compression strength.

The invention relates to the field of lithium iron phosphate, in particular to a composite solid electrolyte synergistically modified lithium iron phosphate positive electrode material and a preparation method thereof. The preparation method is used for solving the problems that existing lithium iron phosphate is poor in electronic conductivity, high in interface impedance and poor and low in interface stability. The lithium iron phosphate positive electrode material synergistically modified by the composite solid electrolyte comprises COF / neodymium-doped lithium titanium aluminum phosphate modified lithium iron phosphate, acetylene carbon black, polyethylene glycol and N-methyl pyrrolidone, according to the preparation method, firstly, lithium iron phosphate is prepared, neodymium ions are doped in the process of preparing lithium titanium aluminum phosphate to serve as a first modification layer, cyanophenothiazine COF is synthesized to serve as a second modification layer, two layers of solid electrolyte are modified on the surface of the lithium iron phosphate to achieve a synergistic effect to form a protective film, and formation of lithium dendrites can be effectively reduced; the interface stability and the cycle performance of the material are remarkably improved, and the safety of the battery is enhanced.

The utility model relates to the technical field of power transmission, in particular to a combined cable which comprises a first cable assembly, the first cable assembly comprises an outer coating layer, a first insulating layer, a copper conductor, a winding layer, a polytetrafluoroethylene tape and a mylar layer which are sequentially arranged from outside to inside, and an accommodating space is formed in the outer coating layer; according to the invention, through the arrangement of the outer coating layer, the first insulating layer, the copper conductor, the winding layer, the polytetrafluoroethylene tape, the mylar layer and other components, the winding layer can perform electromagnetic shielding on the copper conductor through a double-helix structure through the mutual cooperation relationship between the winding layer and the copper conductor; therefore, the device can effectively block the screened electromagnetic interference through the electromagnetic shielding structure formed by the winding layer. And meanwhile, the polytetrafluoroethylene tapes are wrapped in a close-packed manner, so that the insulating property of the cable is enhanced.

The utility model provides a kind of efficient energy-saving environment-friendly insulation board of constructional engineering, it is related to the technical field of insulation board, including environment-friendly board main part, two strip boards and two limit plates, the environment-friendly board main part includes insulation core layer, the outer surface of the insulation core layer is provided with heat insulation transition layer, two vacuum heat insulation cavities are provided in the inside of the heat insulation transition layer, the outer surface of the heat insulation transition layer is provided with protective layer, the left side surface of the environment-friendly board main part is provided with connecting groove. The utility model can effectively prevent heat conduction and reduce the speed of heat transfer by setting the insulation core layer of novel aerogel composite polyurethane foam material, by setting the heat insulation transition layer of polystyrene resin material on the outer surface of insulation core layer, and setting two vacuum heat insulation cavities in the inside of heat insulation transition layer, the speed of heat conduction can be effectively reduced, by setting protective layer on the outer surface of heat insulation transition layer, the tensile strength of environment-friendly board main part can be effectively guaranteed.

The utility model relates to the technical field of doors and windows, and discloses a heat insulation type energy-saving aluminum alloy door and window which comprises a window frame, two sliding grooves are formed in the bottom side of the interior of the window frame, sliding strips are slidably installed in the two sliding grooves, and window sashes used in cooperation with each other are fixedly connected to the upper surfaces of the two sliding strips; the nano ceramic heat insulation coatings are arranged on the outer sides of the window frame and the window sash, solar radiant heat can be reflected and absorbed, heat transmitted into a room is reduced, meanwhile, gaps are effectively filled with the ethylene propylene diene monomer heat insulation rubber strips on the inner side of the window frame, heat conduction is prevented, the heat insulation effect is remarkably enhanced, and the indoor comfort degree is improved; the energy consumption of an indoor air conditioner is reduced, the using effect of the air conditioner is improved, the two-way lead screw is controlled by rotating the rotary knob, then the limiting plate is driven to move, and flexible adjustment and precise limiting of the positions of the sliding strip and the window sash are achieved.

The utility model relates to a bus duct based on a tunnel distributed intelligent power distribution and utilization technology, which comprises a bottom shell, ear plates arranged at the tops of the outer walls of the two sides of the bottom shell, a top cover covering the top of the bottom shell, and an assembling assembly arranged at the top of the top cover and comprising an assembling box, an assembling block and a moving block, the assembling box is fixedly arranged on the outer wall of the top of the top cover, the multiple assembling blocks are fixed to the outer wall of the lug plate and the outer wall of the bottom shell correspondingly, the moving block is slidably connected into the assembling box, an inserting block is arranged on the outer wall of the moving block, the inserting block is inserted into the assembling block, and the interior of the assembling box is rotationally connected with a two-way lead screw through a bearing. According to the assembling assembly, when the bottom shell and the top cover are assembled, a plurality of screws do not need to be used for connecting and fixing the bottom shell and the top cover, so that when parts in the bus duct need to be overhauled, a disassembling tool does not need to be used for disassembling the plurality of screws one by one, the disassembling operation steps are relatively convenient, and the overhaul efficiency of the bus duct can be improved.

This invention provides a packaging structure. In the packaging structure, the lead frame includes at least two solder pads; the back of the chip is mounted on the lead frame, and the front of the chip has multiple solder pads. At least a portion of the solder pads of the lead frame are electrically connected to the solder pads of the chip via bonding wires; a passive device is disposed between and electrically connected to the two solder pads of the lead frame; a molding compound encapsulates the chip and bonding wires, and covers at least a portion of the surface of the solder pads and at least a portion of the surface of the passive device. This avoids mounting the passive device on the PCB outside the packaging structure, significantly reducing PCB layout space, greatly shortening the interconnection distance between the passive device and the chip, reducing the current loop area, reducing parasitic inductance of high-frequency signal paths, reducing magnetic field radiation (i.e., reducing electromagnetic interference), improving high-frequency performance, and reducing coupling with external interference, thus improving electromagnetic compatibility.

The utility model provides a kind of door and window attached frame structure and door and window, hook attached frame includes: outside hook attached frame, hook attached frame heat insulation strip and inside hook attached frame;Outside hook attached frame and inside hook attached frame are connected by hook attached frame heat insulation strip and pre-buried in wall;Outside hook attached frame is connected with the outside of door and window outer frame, inside hook attached frame is connected with the inside of door and window outer frame;Inlet slot attached frame includes: outside inlet slot attached frame, inlet slot attached frame heat insulation strip and inside inlet slot attached frame;Outside inlet slot attached frame and inside inlet slot attached frame are connected by inlet slot attached frame heat insulation strip and pre-buried in wall;Outside inlet slot attached frame is connected with the outside of door and window outer frame, inside inlet slot attached frame is connected with the inside of door and window outer frame.The utility model adds heat insulation strip between door and window attached frame inside and outside structure, blocks heat conduction path, and ensures ultra-low energy consumption door and window comprehensive performance.

The utility model belongs to solar heating technology field, specifically disclose a box body light -concentrating type solar medium temperature heat collector, the utility model discloses a sealed box body of one side glass cover, the bottom and the side surface of box body are equipped with heat preservation layer, be equipped with upper flow collecting pipe and lower flow collecting pipe in the box body, be equipped with at least two fin heat absorption unit between heat preservation layer and glass cover, the both ends of fin heat absorption unit are connected with the upper flow collecting pipe and lower flow collecting pipe of the intercommunication box body respectively, fin heat absorption unit includes fin adsorption pipe and reflector, and fin adsorption pipe sets up at the light -concentration of reflector surface. The utility model discloses the synergistic effect of metal light -concentrating structure and straight -through type flow channel design, can realize the stable output of medium temperature, improve the pressure intensity of system output, improved the reliability of medium temperature pressure bearing. The utility model can be widely applied to the light -heat conversion field of solar energy.

This utility model discloses a U-shaped paper straw anti-scalding structure, including a straw body. The straw body includes a sucking section, a telescopic bending section, and an insertion section connected in sequence. The telescopic bending section has a corrugated tube structure. A plastic film is glued to one end of both the sucking section and the insertion section near the telescopic bending section using food-grade adhesive. A through hole is formed in the middle of the plastic film to allow liquid to pass through, and the diameter of the through hole is half the diameter of the straw body. This utility model, by using a corrugated telescopic bending section, shortens the straight-line distance between the sucking section and the insertion section through its bending shape, preventing the rapid conduction of heat from the high-temperature liquid to the sucking end. Furthermore, by using a plastic film, and with the through hole in the middle of the plastic film, the outflow rate and single outflow volume of the high-temperature liquid can be limited without affecting normal sucking, allowing the slowly flowing liquid more time to contact the air and cool down, thus improving the anti-scalding effect.

The invention relates to a low-voltage large-current circuit heat dissipation control method and system for a parallel power supply, and relates to the technical field of circuit heat dissipation, and the method comprises the steps: obtaining a current component number and a current component temperature; if the current temperature of the component is higher than the preset working temperature threshold value, a heat dissipation wind direction path is obtained; searching an upstream component number from a preset component information database according to the current component number and the heat dissipation wind direction path; obtaining the temperature of the upstream component according to the number of the upstream component, and when the temperature of the upstream component is greater than a working temperature threshold value, searching the position of the current component and the position of the upstream component from a component information database according to the number of the current component and the number of the upstream component; adjusting the heat dissipation wind direction path according to the current component position and the upstream component position to obtain an optimized heat dissipation path; and controlling the heat dissipation system to dissipate heat according to the optimized heat dissipation path. The present invention has an effect of reducing heat accumulation in a circuit.

The present disclosure relates to a display device. The display device includes a substrate in which a display area and a non-display area are defined, a thin film transistor disposed on the substrate corresponding to the display area, a gate driver disposed on the substrate corresponding to the non-display area, a protection layer disposed to cover the thin film transistor and the gate driver, a planarization layer disposed on the protection layer and including a plurality of openings exposing at least a portion of the protection layer in the non-display area, an organic light emitting diode disposed on the planarization layer so as to be electrically connected to the thin film transistor in the display area, and a nanoparticle layer disposed above the protection layer overlapping the plurality of openings. The nanoparticle layer includes nanoparticles surface-modified with a hydrophobic functional group.

The utility model provides a steam heating bin pretreatment device suitable for semi-solid hazardous waste, which comprises a steam generator, a steam output pipe, a steam chamber, an SMP mixing bin and a steam loop pipe, one end of the steam output pipe is connected with the steam generator, the other end of the steam output pipe is connected with the steam chamber, the steam chamber is positioned between the inner wall of the SMP mixing bin and a stirring shaft of the SMP mixing bin, and the steam loop pipe is connected with the steam chamber. The steam output pipe is arranged in the steam chamber and is arranged on the inner wall of the SMP mixing bin, one end of the steam loop pipe is connected with the steam chamber, the other end of the steam loop pipe is connected with the steam generator, the steam output pipe electric control valve is arranged on the steam output pipe, and the loop pipe electric control valve is arranged on the steam loop pipe. According to the device, through combination of steam heating and mechanical stirring, the problem that the semi-solid hazardous waste cannot be stirred and mixed uniformly due to high-temperature melting or low-temperature solidification in the pretreatment stage can be effectively solved, so that efficient pretreatment of the semi-solid hazardous waste with high temperature sensitivity is achieved, and the fluidity and uniformity of the semi-solid hazardous waste are improved.

The utility model provides a kind of aluminium alloy soundproof window, including aluminium alloy window frame, window sash and glass assembly, window sash is installed in the aluminium alloy window frame, glass assembly is installed on window sash;The section of aluminium alloy window frame is multiple cavity structure, including inner frame body and outer frame body, and the inner frame body and outer frame body are connected by several connecting ribs and form at least three independent cavities, connecting rib and inner frame body, outer frame body are integrally formed structure.The utility model structure design is novel, and the multiple cavity design of glass assembly and window frame not only improves the sound insulation performance of window, but also enhances the heat insulation performance of window.

The utility model discloses a door and window with noise reduction function, including door and window frame, pull -out door and pull -out window, the pull -out window includes door and window frame, and the recessed surface is equipped with the installation groove, and the installation groove is equipped with the anti -insect grid, the door and window frame shell is constituted by the door pocket line section bar, and the door pocket line section bar is the hollow cavity structure, and, its inside is filled with the sound -absorbing material, the hollow cavity structure's below hollow part adopts the light project section bar, and the hollow cavity structure of door and window frame adopts the door pocket line section bar and fills the sound -absorbing material, can effectively absorb sound wave energy, reduce the noise spread, and the pull -out door and window adopt the hollow tempered glass of xinxi original piece and match the hollow molecular sieve, utilize the characteristic of hollow cavity and molecular sieve, and the sound conduction is blocked significantly, simultaneously, the stepped light project section bar of door and window frame and pull -out window cooperation place, the design that sealing strip is embedded in the recess, block the noise through the crack from many aspects and pass into the room, and the overall noise reduction performance of door and window is improved greatly.

The utility model discloses an air duct structure of a body dryer, and aims to provide an air duct structure of a body dryer, which is favorable for improving the heat dissipation efficiency of a motor, and comprises an air duct body, an air inlet is arranged at one end of the air duct body, and an air outlet is arranged at the other end of the air duct body; the plate filter is detachably mounted in the air inlet of the air duct body; the air direction adjusting assembly is detachably connected to the air outlet of the air duct body; the motor, the main control board and the heater are detachably mounted in the air duct body and are sequentially distributed from the air inlet to the air outlet of the air duct body; and the plurality of radiating fins are vertically and fixedly connected to the outer side of the air duct body and correspond to the motor. The utility model has the beneficial effects that the air outlet direction can be adjusted to enlarge the air sweeping range, so that the applicable range of people with different body types is enlarged, and the practicability is improved; heat generated by the motor is dissipated outwards through the heat dissipation fins, and the purpose of improving the heat dissipation efficiency of the motor is achieved.

This utility model discloses an auxiliary device for hyperthermia in oncology, relating to the field of medical auxiliary technology. To address the time-consuming and labor-intensive use of felt pads and water bags in clinical practice, this utility model designs an auxiliary device for hyperthermia in oncology. Its structural features mainly focus on: a coupling sleeve and a heat insulation structure. The coupling sleeve is securely fitted onto the electrode plate. When the electrode plate is adjusted for treatment, the coupling sleeve can be adjusted accordingly, eliminating the need for medical staff to make adjustments throughout the treatment, thus improving the efficiency of radiofrequency hyperthermia. The coupling sleeve is made of stable medical-grade rubber, suitable for radiofrequency hyperthermia. Multiple layers of flexible and thermally stable heat insulation are filled inside the coupling sleeve. This lowers the skin surface temperature and allows for better adhesion to the skin surface. Through effective heat insulation layering during radiofrequency hyperthermia, excellent heat insulation is ensured, concentrating heat in the treatment area and reducing heat loss and impact on surrounding tissues.

The invention discloses an array laser thermal isolation packaging structure, a preparation method thereof and a laser system, belongs to the technical field of optical communication, and aims to improve the thermal isolation effect and long-term reliability of a laser chip. The packaging structure comprises an array laser and a heat dissipation structure. The array laser comprises a plurality of laser chips, a first groove is arranged between two adjacent laser chips, and the first groove at least separates active layers of the two adjacent laser chips. The heat dissipation structure comprises a heat conduction carrier, the heat conduction carrier comprises a first surface and a second surface which are opposite, the heat conduction carrier further comprises a plurality of second grooves, and the second grooves extend into the heat conduction carrier from the first surface. The array laser is arranged on the first surface, and one first groove and one second groove are correspondingly arranged and are communicated with each other.

The application provides an external discharge Hall thruster with a planar shearing magnetic field design, which comprises a thruster structure body, an outer ring magnet, a thruster ceramic wall, an additional anode, an outer magnet, a magnetic screen, an anode, a ceramic structure body, an inner magnet, a short insulating pad, an M2 flat washer, an M2 elastic washer, an M2 nut, a long insulating pad, an M3 flat washer, an M3 elastic washer and an M3 nut. The application increases permanent magnets outside the additional anode to form a new magnetic mirror field to confine electrons, reduces the current of the additional anode, adjusts the magnetic field near the surface of the anode to make the positive gradient magnetic field on the surface of the anode, weakens the bombardment and heating of the electrons during the operation of the anode, improves the heating of the thruster and the demagnetization of the permanent magnet, increases the insulation between the anode and the additional anode, and improves the service life and reliability of the thruster.

The utility model provides a kind of vehicle curtain device and vehicle, it is related to vehicle-mounted projection technical field, including shell body;Curtain assembly, including curtain winding drum and drive mechanism, the winding drum winding curtain and with drive mechanism transmission connection;Supporting arm assembly, for supporting curtain, when curtain is in retracted state, the supporting arm assembly is housed in shell body;Lifting control mechanism, including power part and casing, the casing is movably provided with actuator, stop piece and follower, wherein, the actuator is driven by power part and actuator movement path has first limit position and second limit position, the follower is fixedly connected supporting arm joint, the supporting arm joint is connected with the second end of the supporting arm assembly;By above setting, in vibration use environment, realize the complexity of structure and failure rate while improving anti-vibration performance, applicability and use reliability of reducing.