117results about How to "Achieve insulation" patented technology

The utility model relates to the technical field of electrical control boxes, in particular to an explosion-proof marine electrical control box which comprises a box body, the box body comprises an outer coating layer, an inner coating layer, an outer stainless steel plate, an inner stainless steel plate, a sound insulation cotton layer, a heat preservation plate layer and a screen plate, the sound insulation cotton layer is arranged on the outer side of the screen plate, and the outer stainless steel plate is arranged on the outer side of the sound insulation cotton layer. An outer coating layer is arranged on the outer side of the outer stainless steel plate, a heat preservation plate layer is arranged on the inner side of the screen plate, an inner stainless steel plate is arranged on the inner side of the heat preservation plate layer, and an inner coating layer is arranged on the inner side of the inner stainless steel plate. The utility model has the functions of sound insulation, noise reduction, heat preservation and moisture prevention, retains the original stainless steel plate design, designs the outer stainless steel plate and the inner stainless steel plate to play the roles of impact protection and supporting plasticity, coats the inner coating layer and the outer coating layer to realize the functions of insulation and moisture prevention, integrates the whole box body, reduces the thickness of the used stainless steel plate, and reduces the cost. The overall weight is reduced, the explosion-proof effect is better, and the moisture-proof effect is achieved from the two aspects of water insulation and heat preservation.

The invention discloses a room-temperature curing water-based ultrahigh-pressure insulating coating for electronics. The coating is formed by curing a water-based ultrahigh-pressure insulating paint at room temperature, the water-based ultrahigh-pressure insulating paint is prepared from a component A and a component B, wherein the component A comprises waterborne polyurethane resin, a curing agent, polyether-ether-ketone ultrafine powder, an insulating nano material and water; the component B comprises a dispersing agent, a foam inhibitor, a flatting agent, a wetting agent, a coalescing agent and a thickening agent. According to the invention, the added insulating nano material can improve the electrical insulation characteristic of the coating, so that the coating has a high insulating effect, is not easy to break down and has extremely high safety when being applied to electronic equipment, and the insulating nano material forms a network-shaped skeleton structure through mutual crosslinking in the coating, so that the structure of the coating can be supported and stabilized, and the service life of the coating is prolonged. The coating is not easy to damage, so that the stability of the coating is good, and the ultrahigh-voltage insulation effect can be kept for a long time.

The invention relates to a battery cell, a battery and a battery cell manufacturing method. In the battery cell, electrode plates are stacked; the diaphragm is stacked between two adjacent electrode plates; the diaphragm and the electrode plates are wound to form a roll core; the electrode plate is provided with a tab part protruding out of the diaphragm, and the tab part is arranged on the end face of the roll core in a bent mode so as to form a tab end face on the end face of the roll core; the winding tail end of the diaphragm is provided with an extension part, and the extension part is arranged on the end face of the tab in a bending manner and covers at least part of the end face of the tab, so that the tab part is isolated from the shell, the tab part of the electrode plate is insulated, the tab part is prevented from being in contact with the shell, an extra insulating part does not need to be arranged on the tab part, and the cost is reduced. The tab insulation structure of the battery cell is simplified, the reliability of the battery cell is improved, and the manufacturing efficiency of the battery can be improved.

The utility model provides a battery and an electric device. The battery comprises a box body, a battery monomer and a tensioning piece, the box body is provided with an accommodating space; the battery monomers are accommodated in the accommodating space, and the plurality of battery monomers are at least arranged along a first direction; the tensioning part is arranged on one side of the plurality of single batteries along the second direction and extends along the first direction, two ends of the tensioning part along the first direction are respectively connected to the box body, and the first direction is intersected with the second direction. According to the battery provided by the invention, the tensioning force of the tensioning part on the box body and the outward expansive force of the battery monomer on the box body are mutually counterbalanced, so that outward deformation of the box body in the first direction is inhibited, the risk of structural failure caused by cracking of the box body due to expansive deformation of the battery monomer is reduced, the structural stability of the box body is improved, and the service life of the battery is prolonged. And the reliability of the battery is improved.

The invention discloses an electric power safety tool detection system and a detection method thereof, and relates to the technical field of electric power safety, and the system comprises the following components: a non-contact sensor array which integrates various non-contact sensors such as an infrared sensor, a laser range finder and an ultrasonic flaw detector, the infrared, laser and ultrasonic non-contact sensor arrays are respectively used for detecting the insulating property, the mechanical strength and the wear degree of the tool, and the multi-dimensional and high-precision automatic detection of the insulating property, the mechanical strength and the wear degree of the electric power safety tool is realized by adopting the infrared, laser and ultrasonic non-contact sensor arrays; according to the method, secondary damage possibly caused by traditional contact type detection to the tool is effectively avoided, particularly when the tool in the high-pressure and high-temperature extreme environment is treated, the safety of the detection process is remarkably improved through the non-contact characteristic of the method, subtle changes of the tool can be captured more accurately through non-contact type detection, and the detection accuracy of the tool is improved. Therefore, the detection accuracy and reliability are obviously improved.

The invention relates to a stator assembly for an electric machine, comprising: a stator comprising a stator core (1) on which a stator winding (11) is arranged; the invention relates to a stator (1) for a motor vehicle, comprising a stator winding (11), a connection module (15) for electrically connecting winding wire ends (13) of the stator winding (11), the connection module (15) being arranged on an end face of the stator, characterized in that the connection module (15) comprises a one-piece electrical terminal conductor (21) which is at least partially embedded in a body (17) made of an electrically insulating material, the terminal conductors (21) each form a terminal contact (27), to which an external power supply and / or control device of the stator assembly can be connected, and a winding contact (29), which is electrically conductively connected to the winding wire end (13).

The invention relates to the technical field of solar cells, and provides a back contact solar cell, a cell module and a photovoltaic system, and in the back contact solar cell, a first bus grid line is continuous at a first edge serial connection area and a second serial connection area. A first groove is formed in the substrate. The first edge bus line is closer to the first edge than the first edge serial connection area. And a first insulating layer is arranged on the part, corresponding to the first serial connection area, of the first bus grid line. The first insulating layer is at least partially disposed within the first recess. The height of the first insulating layer is flush with the height of the second welding section, or the height of the first insulating layer is smaller than the height of the second welding section, or the height of the first insulating layer is larger than the height of the second welding section, and the height difference between the first insulating layer and the second welding section is smaller than or equal to 15 micrometers. Thus, through the arrangement of the first groove, the influence caused by pseudo soldering can be reduced, and the efficiency of the back contact solar cell is ensured.

The invention discloses an electric vehicle troubleshooting system and method. The system comprises a pre-charging detection module and a pre-charging detection loop module which are connected to an electric vehicle bus in parallel. The pre-charging detection loop module comprises a plurality of pre-charging detection branch circuits which are connected in parallel, each pre-charging detection branch circuit is connected with an electric vehicle bus, and each pre-charging detection branch circuit comprises a high-voltage component and a high-voltage relay used for controlling the on-off of the current pre-charging detection branch circuit; the detection end of the pre-charging detection module is connected with an electric vehicle bus, the power supply end of the pre-charging detection module is connected with an electric vehicle battery system, and the pre-charging detection module is used for carrying out pre-charging troubleshooting on a high-voltage part corresponding to the high-voltage relay according to the resistance value and / or tube voltage drop value of the electric vehicle bus. According to the electric vehicle troubleshooting system and method provided by the embodiment of the invention, automatic insulation and pre-charging troubleshooting are realized.

The invention relates to the technical field of flexible electrodes, in particular to a fibrous flexible stretchable multi-channel electrode and a preparation method thereof, and the electrode comprises a plurality of laminated composite film layers and a packaging layer; each composite film layer comprises a stretchable polymer layer and a stretchable conductive layer; the width of the conductive layer is smaller than that of the polymer layer, and the conductive layer in the same composite film layer is completely covered and wrapped by the polymer layer in the length direction; the lengths of the polymer layers in different composite film layers are sequentially reduced from bottom to top; the length of the polymer layer in the adjacent upper composite film layer is smaller than that of the conductive layer in the lower composite film layer so as to realize exposure of an electrode detection point, and the length of each polymer layer in the adjacent composite film layers is greater than or equal to that of the conductive layer above each polymer layer. According to the fibrous flexible stretchable multi-channel electrode, the problems that a traditional multi-channel electrode is large in size, low in channel number and not stretchable are solved.

The invention provides a photovoltaic panel butt joint device and method for photovoltaic construction, and relates to the technical field of photovoltaic panel construction, and the device comprises a butt joint supporting unit, a positioning unit, a fixing unit and a reinforcing unit. The number of the positioning units is two, and the two positioning units are installed on the butt joint supporting unit. The number of the fixing units is two, and the two fixing units are installed at the top of the butt joint supporting unit. The number of the reinforcing units is two, and the two reinforcing units are installed on the butt joint supporting unit and the two fixing units. A multifunctional unit is mounted on the butt joint supporting unit; according to the invention, when the three connecting steel wire ropes are tensioned, the three circular fixing rods slowly move inwards under the action of the three pushing inclined blocks, so that the photovoltaic panel body is automatically fixed; the problems that the photovoltaic panel is generally fixedly connected with the support through bolts, so that the photovoltaic panel is troublesome to fix, and the construction efficiency of the photovoltaic panel is affected are solved.

A connector for an inverter comprises an insulating base which comprises a bottom plate, four first compartments are arranged on the bottom plate in the length direction, a supporting plate is vertically arranged on the bottom face of the bottom plate in the length direction, the supporting plate is sequentially arranged on the three first compartments in a striding mode, four second compartments are arranged on the supporting plate in parallel, the four second compartments are located below the three first compartments, and the insulating base is arranged on the bottom plate. Slotted holes are formed in the positions, close to the rear end, of the bottom plate between the first compartment and the second compartment which are vertically arranged; a mounting platform is convexly arranged on the top surface of the bottom plate in the first compartment; the four first wiring screws are respectively arranged on the four first compartment mounting platforms; first to fourth conductive plates each including an upper wiring portion, a connecting portion, and a lower wiring portion; and the upper wiring parts of the first to fourth conductive plates are arranged in the four first compartments, and the lower wiring parts of the first to fourth conductive plates are arranged in the four second compartments, so that the lower wiring parts of the first to fourth conductive plates are positioned below the upper wiring parts of the first to third conductive plates, the volume of the lower part of the connector is further reduced, and the installation space is reduced.

An electric heater comprises a shell, a heating belt assembly, a first electrode assembly, a second electrode assembly, a supporting frame and a plurality of pin assemblies. And the support frame is provided with a plurality of mounting through holes. The contact pin assembly fixes the heating belt to the supporting frame in the axial direction of the electric heater. The pin assembly comprises a first ceramic sleeve, a second ceramic sleeve and a pin. And the first ceramic sleeve is inserted into and penetrates through the mounting through hole. And the second ceramic sleeve is at least partially sleeved on the first ceramic sleeve. And the contact pin penetrates through the first ceramic sleeve and the second ceramic sleeve and is inserted into the clearance hole, and the contact pin is fixed with the heating tape. By means of the arrangement, the heating belt is fixed through the pin assembly, and meanwhile insulation between the pin assembly and the supporting frame is achieved. In addition, the invention also discloses a tail gas after-treatment device comprising the electric heater.

The application relates to the technical field of cables, and discloses an insulated high-temperature superconducting cable and a preparation method thereof. The insulated high-temperature superconducting cable comprises, from inside to outside, a lining core, a superconducting conductor, an insulation layer, a shielding layer, a heat insulation pipe and a sheath layer. The raw material of the sheath layer comprises the following components in parts by weight: 100 parts of polyvinyl chloride, 10 to 15 parts of ethylene-vinyl acetate copolymer, 4 to 6 parts of silicone rubber, 20 to 30 parts of composite filler, 5 to 8 parts of compatilizer, 2 to 5 parts of stabilizer and 6 to 10 parts of plasticizer. The raw material of the composite filler comprises the following components in parts by weight: 40 parts of palygorskite powder, 2 to 5 parts of chitosan and 4 to 8 parts of vinyl chloride-methyl methacrylate copolymer. The palygorskite powder, the chitosan and the vinyl chloride-methyl methacrylate copolymer are compounded to form the composite filler, and the composite filler is added into the cable sheath layer, so that the mechanical properties of the cable sheath layer can be effectively improved.

The invention belongs to the technical field of rubber sheets, and particularly relates to a Z-axis insulating nickel-carbon conductive rubber sheet with PI as a base material and a preparation method of the Z-axis insulating nickel-carbon conductive rubber sheet. The Z-axis insulating nickel-carbon conductive rubber sheet taking PI as the base material comprises the following components in parts by weight: 120 parts of silicone rubber, 40-60 parts of vinyl resin, 20-40 parts of hydrogen-containing silicone oil, 5-15 parts of a coupling agent, 1-10 parts of a catalyst, 1-10 parts of an inhibitor and 550-750 parts of nickel-carbon powder. The nickel-carbon conductive rubber sheet disclosed by the invention is good in adhesive force with a PI base material, Z-axis insulation, low in volume resistivity and high in shielding effectiveness, meets the use effect of electronic components with high electromagnetic shielding requirements, and realizes the insulation effect between two cavities.

The present invention discloses a capacitor packaging structure, the airtight packaging structure comprises a capacitor unit, a metal upper cover, a metal base fixedly connected to the metal upper cover, and an insulating member for isolating the capacitor unit from the metal base; the metal base and the metal upper cover form a cavity for accommodating the capacitor unit; the capacitor unit comprises a capacitor body, a pin electrically connected to the capacitor body, the pin passes through the metal base and is connected to other electronic components; the insulating member is arranged between the metal base and the pin. The present invention adopts metal material as the packaging shell, and the existing process for metal material can make the metal very light and thin, so even if the capacitor sheet is large, the entire capacitor packaging structure can maintain a very small volume.

The present disclosure relates to a cutterhead assembly and a slurry shield tunneling machine. The cutterhead assembly comprises a cutterhead (10), an electrode mounting seat (20) arranged on the cutterhead (10) and having a first through hole (21) penetrating through the thickness direction of the cutterhead (10), an emitting electrode (30) having a first electrode portion (31) and a second electrode portion (32), the first electrode portion (31) penetrating through the first through hole (21), the second electrode portion (32) being fixedly connected to the electrode mounting seat (20) through a first connecting piece (41), and a first sealing and insulating assembly (50) being compressed between the emitting electrode (30) and the electrode mounting seat (20) and between the emitting electrode (30) and the first connecting piece (41) to insulate and seal the emitting electrode (30) from the electrode mounting seat (20) and the first connecting piece (41).

The invention discloses a multi-layer PCB (Printed Circuit Board) stacking and encapsulating method and a multi-layer PCB stacking structure, and relates to an integrated circuit packaging technology. The multi-layer PCB stacking and potting method comprises the following steps that a, a first PCB layer is used for bearing a core component, the core component and a bonding wire of the first PCB layer are covered with high-heat-conduction or high-pressure-resistant potting glue, and the core component is a high-heating or high-pressure component; b, the second PCB layer bears the low-heating component, the second PCB layer and the first PCB layer are overlapped and fixed to form a low-layer PCB structural body, and the low-heating component and the bonding wire of the second PCB layer are covered with low-stress pouring sealant; and c, carrying a power supply or a passive device by using a third PCB layer, overlapping the third PCB layer to the low-layer PCB structural body to form a composite PCB structural body, and carrying out potting on the composite PCB structural body by using a conventional potting adhesive. The method is simple in process, high in effectiveness and low in cost, and can be widely applied to potting of multi-layer PCB stacked products including power chips, bare chips, passive elements and the like.

The utility model discloses a stator iron core, which belongs to the field of motors, solves the problem that the size of the motor is not compact enough, and adopts the technical scheme that the stator iron core mainly comprises an iron core body, an upper insulating frame, a lower insulating frame and a plurality of wire hooking frames, the first flange part is provided with a plurality of mounting grooves corresponding to the plurality of wire hooking frames, each wire hooking frame comprises an insulator and a conductive terminal, the insulator is mounted in the mounting groove, and the conductive terminal comprises a wire hooking part and a wire hanging part provided with a positioning hole. The conductive terminal is fixedly installed on the insulator, and an insulation gap is arranged between the conductive terminal and the installation groove. Another purpose of the utility model is to disclose a motor which comprises a motor body, the motor body is provided with the stator core and a rotor arranged in the stator core, the size of the motor is miniaturized, the requirement of a compact motor is met, the wiring of the stator coil of the stator core is more reasonable, and the performance of the motor is more reliable.

The application relates to the technical field of power electronic devices, and provides a surface-mounted power integrated module, which comprises a plastic sealing body area, a pin area and an embedded ceramic substrate area, the pin area is provided with surface-mounted welding ends which extend out of the plastic sealing body, the ceramic substrate area is a three-layer composite structure, an inner copper layer is integrated with two sets of power circuit topologies for refrigeration and heating, and the plastic sealing body area is provided with a groove structure at the corresponding positions of the pins to increase the creepage distance. Through high integration and internal insulation design, the module volume is reduced, the power density and assembly efficiency are improved, and the safety requirements of high-voltage applications are met.

The invention discloses a multi-layer wiring ceramic circuit board bonding process, which comprises the following steps of: completing processing of a bottom layer circuit of a single-layer circuit board, and electroplating and thickening a metal bonding pad for multi-layer welding on the basis of bottom layer metal; printing ink on the bonding surface, polishing the ink and the thickening layer to be in an equal-height state by adopting a polishing process, exposing and developing the ink, and then baking and curing; carrying out surface metallization treatment on the cured ceramic circuit board; performing electron beam plating of a gold-tin solder on the metal surface of the thickening layer on the metallized ceramic substrate; the bonding surfaces of different single-layer circuit boards subjected to solder thickening are face-to-face, high-precision alignment stacking and fixing are carried out through equipment, and reflow soldering is carried out at the highest temperature of 300 DEG C. The method has the advantages that an electroplating thickening mode is matched with an ink screen printing mode, the insulation effect between different circuits can be effectively achieved, and the problem of welding flux flowing short circuit possibly caused in the subsequent welding process is avoided.

The utility model discloses a current collecting assembly, a cover plate assembly, a battery cell, a battery pack and electric equipment, the current collecting assembly comprises a current collecting piece, and the current collecting piece comprises a first connecting part used for connecting a pole core; the second connecting part is used for connecting the electrode leading-out part; the fusible part is connected with the first connecting part and the second connecting part; the current over-current area of the first connecting part and the current over-current area of the second connecting part are greater than or equal to the current over-current area of the fusible part; the fusible part is provided with a first surface and a second surface which are opposite, and the first surface faces the pole core; the current collecting assembly further comprises a first insulating part, and the first insulating part covers the first surface of the fusible part. When the battery cell is subjected to external short circuit, the fusible part can be fused in time, so that a current loop between the positive electrode and the negative electrode in the battery cell is cut off, continuous short circuit of the battery cell is avoided, a heat production source of the battery cell is cut off, temperature rise is reduced, out-of-control of the battery cell caused by external short circuit is avoided, and the safety of the battery cell is improved.

The invention discloses a black spherical silica and a preparation method thereof. The method uses a spherical organic silicone material as a raw material, firstly performs a pretreatment by impregnation in an unsaturated alcohol, and then adopts a two-stage gradient temperature rise calcination. The spherical silica prepared by the method of the invention can simultaneously achieve the contradictory unity of insulation and black characteristics, and prepares black core-shell spherical silica with low L*, a*, and b* values ​​and high carbon content. The hydroxyl groups on the surface of the spherical silica are condensed and the organic matter is carbonized by calcination to achieve the characteristics of insulation and low whiteness, solve the problem of large toxic pollution of black pigments in electronic materials, and meet the requirements of electronic substrate materials such as copper clad laminates for insulation performance and low whiteness.

The utility model provides a kind of electric core packaging structure and battery, including insulating film and electric core, electric core includes outer circumferential surface and the end face at the both ends of outer circumferential surface, end face is provided with tab, insulating film includes cladding part and extension, cladding part cladding in the outer circumferential surface of electric core, the extension is extended by the edge of cladding part to the position away from cladding part, and the extension is folded to the end face of electric core, the position of the extension is formed with avoidance area, and the tab is placed in the avoidance area.The electric core packaging structure provided by the utility model uses the avoidance area formed by extension to position and protect tab, and at the same time, it is beneficial to the cladding part to cladding the outer circumferential surface of electric core, to realize insulation effect, further avoid the complex assembly process in traditional insulation structure, i.e. the electric core packaging structure provided by the present application can also realize multiple technical effects of simplifying process, improving battery energy density and reducing cost on the basis of playing an insulating role.

This invention relates to the field of battery technology, specifically to a battery. The battery includes a casing and an electrode assembly, the electrode assembly being located within a receiving space formed by the casing. The casing includes a first through-hole, and the battery further includes a connecting mechanism connected to a first tab assembly, the connecting mechanism passing through the first through-hole. The connecting mechanism includes a conductive element and an insulating element, the conductive element being connected to the first tab assembly, and the insulating element being located between the casing and the conductive element. At least one of the interfaces between the conductive element and the insulating element and between the insulating element and the casing forms a bonding region. The bonding region includes a first surface of the conductive element facing the insulating element and / or a second surface of the casing facing the insulating element, the first surface and / or the second surface including a plurality of recesses, the orthographic projection of the insulating element covering the recesses, and the insulating element including protrusions embedded in the recesses. The battery of this invention is applicable to batteries of various thicknesses and can improve the sealing performance and connection strength of the connecting mechanism.

The application discloses an integrated double-break and double-end voltage sensing integrated pole-mounted switch shell, and belongs to the technical field of pole-mounted circuit breakers. The shell is provided with a vacuum break chamber and an isolation chamber which are parallel along the vertical direction. A vacuum arc-extinguishing chamber is arranged in the vacuum break chamber, and an isolating switch assembly is arranged in the isolation chamber. An isolation observation window is arranged on the shell at a position corresponding to the isolation chamber. The isolation observation window comprises an upper observation window and a lower observation window which are nested with each other and can slide relative to each other. The opening and closing states of the isolating switch can be judged by observing whether the color-marked isolation worm can be seen through the observation window. Voltage sensors are arranged on the incoming line side and the outgoing line side of the shell, each of which is composed of a high-voltage capacitor and a voltage equalizing net, so that independent collection of double-end voltage signals of the incoming line and the outgoing line is realized. The vacuum break and the sliding isolation break are integrated in one body, the state of the isolation break can be directly and visually judged through the adjustable observation window, and the application has the advantages of compact structure, direct and visual state judgment and the like.

This invention relates to the field of semiconductor technology and discloses a curved cadmium telluride thin-film photovoltaic module and its fabrication method. The fabrication method includes: depositing a transparent conductive layer and a cell layer sequentially from bottom to top on one side surface of a glass substrate; forming a P1 laser groove penetrating the transparent conductive layer and the cell layer; sequentially forming a P2 laser groove penetrating the cell layer and a contact layer, the contact layer being located on the surface of the cell layer and covering the inner wall of the P2 laser groove; forming a P3 laser groove penetrating the contact layer and the cell layer, wherein the interior or bottom of the P3 laser groove is a filling layer; performing a hot bending process; forming a first back electrode layer on the surface of the filling layer and a second back electrode layer on the surface of the contact layer; the porosity of the first back electrode layer is greater than that of the second back electrode layer; and removing the filling layer and the first back electrode layer corresponding to the P3 laser groove position using a film removal solution to form a groove. This invention can meet the integration and fabrication of cadmium telluride thin-film modules with arbitrary curved shapes, improving the design flexibility and efficiency of the modules.

The vacuum valve (5) is provided with a fixed side contact (5a) and a movable side contact (5b) inside. The movable side contact (5b) is connected to the movable electrode shaft (5c). The movable electrode shaft (5c) is connected to the bellows (5d) and supported by a bearing (5h). The bearing (5h) is fixed to the bearing mounting part (5g) by bolts. A fixed airtight part (5j) is provided. The fixed airtight part (5j) is used to provide an airtight seal on the surface of the bearing (5h) fixed to the bearing mounting part (5g). The bearing (5h) is provided with an airtight sliding part (5k). The airtight sliding part (5k) is used to provide an airtight seal on the sliding surface between the bearing (5h) and the movable electrode shaft (5c).

The present invention relates to a thin-film photovoltaic module and a preparation method thereof, belonging to the technical field of thin-film photovoltaic modules, in order to solve the problem that the P1 groove of the thin-film photovoltaic module in the prior art is filled with organic photoresist and cannot withstand high temperatures of 300°C to 700°C, thereby reducing the insulation performance at the P1 laser groove and limiting the process flow and process temperature of the module. The thin-film photovoltaic module comprises: a glass substrate, a transparent front electrode layer, a window layer, and an absorption layer stacked in sequence; a P1 laser groove; the P1 laser groove runs through the transparent front electrode layer, the window layer, and the absorption layer; the P1 laser groove is filled with an inorganic nanomaterial; and the melting point of the inorganic nanomaterial is greater than 300°C. The thin-film photovoltaic module provided by the present invention can improve the high temperature resistance of the module, so that the module still maintains a high photoelectric conversion efficiency when the temperature is greater than 300°C, which is conducive to the preparation of new products of thermally curved surface thin-film photovoltaic modules and new products of thin-film photovoltaic modules containing anti-reflection films.

The utility model relates to the technical field of primary and secondary fusion complete column-mounted circuit breakers, and discloses a built-in isolation switch deep fusion solid-sealed polar pole which comprises a vacuum arc extinguish chamber, an isolation knife support, a circuit breaker insulation pull rod, an isolation knife and an isolation knife insulation pull rod. And a mounting cavity and an isolation knife cavity are arranged in the solid-sealed polar pole. And a vacuum arc-extinguishing chamber is arranged in the mounting cavity. The top of the vacuum arc-extinguishing chamber is provided with an arc-extinguishing chamber wiring hole. The isolation knife cavity is provided with an isolation knife wiring hole. And the circuit breaker insulating pull rod is matched with the bottom of the vacuum arc-extinguishing chamber. A wiring end of the isolation knife support is connected with a circuit breaker insulation pull rod. And the isolation knife is rotationally connected with the isolation knife support connecting end. The isolation knife insulation pull rod is rotatably connected with the isolation knife. And the isolation knife is matched with the isolation knife wiring hole. The isolating switch is arranged in the device. The electrified body is completely wrapped in the solid-sealed polar pole, so that complete insulation is realized, and the problems of clamping stagnation, corrosion, contamination and the like caused by outdoor long-time rain and ultraviolet and air corrosion are avoided.

This invention discloses a method and system for assessing the insulation aging status of high-voltage equipment, relating to the field of high-voltage equipment insulation detection technology. The invention first extracts original image data of high-voltage equipment with different insulation states, aging types, and degrees from historical insulation aging records, constructs a standard sample library, and preprocesses it to obtain standard image features. Then, it collects image features of the equipment to be assessed, compares them with the standard samples to calculate the comprehensive similarity, determines the insulation state, and identifies the aging type. Next, it extracts operating and environmental parameters, analyzes their influence on the target aging type, and calculates a standard influence benchmark value. Then, it combines the similarity and the two benchmark values ​​to comprehensively assess the insulation aging degree, finally classifying the aging level and triggering the corresponding early warning mechanism. This invention, through the fusion assessment of image features and operating environmental parameters, can identify insulation aging types and calculate the aging degree, achieving high-voltage equipment insulation aging classification and accurate early warning.