431results about "Resistor housing/enclosing/embedding" patented technology

Systems, apparatuses, and methods relate to modular resistor grid assemblies having a “black box” resistance. The modular resistor grid assemblies include a first plurality of first resistor plates having a first thickness disposed within a first housing. The first housing has a first input and output terminal. The first resistor plates provide a target electrical resistance between the first input output terminal. A second plurality of second resistor plates having a second thickness smaller than the first thickness is disposed within a second housing. The second housing has a second input and output terminal. The second resistor plates provide the target electrical resistance between the second input and output terminal. The first and second housing interchangeably couple to a resistive braking system. The first plurality includes a first number of first resistor plates, and the second plurality includes a second number of second resistor plates less than the first number.

The invention discloses an electric lightning arrester insulation shield capable of being installed without power outage and an installation method, and relates to the technical field of electric protection, the electric lightning arrester insulation shield comprises an insulation cover, an elastic automatic locking mechanism, an installation sheet and a reinforcing plate, the insulation cover is integrally formed, a turnover plate is connected to the lower ends of a left side plate and a right side plate, and the elastic automatic locking mechanism comprises a left locking module and a right locking module; the modules are connected through a pressure piece and a clamping piece through a connecting piece, a lock body part penetrates through a locking hole to achieve locking, during installation, the protective cover is driven by an insulating rod to be horizontally pushed into the top of the lightning arrester, a locking mechanism is extruded and triggered to achieve automatic locking, the protective cover is fixed to an exposed metal piece, and main insulation is not affected. Locking is reliable, the service life is long, operation is convenient, the device can be expanded to multiple fields, and safe operation of equipment is guaranteed.

The present application provides an arrester. The arrester comprises: a housing, the housing comprising a first mounting portion and a second mounting portion, the first mounting portion being provided with a first mounting cavity, the second mounting portion being provided with a second mounting cavity, and the first mounting cavity being communicated with the second mounting cavity; an arrester core, mounted in the second mounting cavity; a sealing assembly, the sealing assembly being mounted in the first mounting cavity and comprising a first elastic member and a sealing cover, one end of the first elastic member abutting against the top of the first mounting portion, the other end of the first elastic member abutting against the sealing cover, and a pressure relief hole communicated with the second mounting cavity being provided on the sealing cover; and an anti-explosion structure, the strength of the anti-explosion structure being smaller than that of the housing, the anti-explosion structure being located between the sealing cover and the arrester core, and the anti-explosion structure being configured to be capable of plugging the pressure relief hole. The arrester of the technical solution of the present application solves the problem in the prior art of unstable explosion values at weak points of arresters having pressure relief devices.

The utility model provides a lightning impulse protection device for a transformer, and relates to the technical field of lightning arresters, the lightning impulse protection device for the transformer comprises a mounting plate, two ends of the mounting plate are respectively provided with a protection mechanism, the protection mechanism comprises two rectangular blocks, the inner walls of the two rectangular blocks are rotatably connected with a rotating shaft, and the rotating shaft is connected with the mounting plate. A rotating shaft is arranged on the outer side of the screw rod, a coil spring is arranged on one side of the rotating shaft, an L-shaped rod is fixedly connected to the outer surface of the rotating shaft, and a piston block is rotationally connected to one end of the screw rod. The piston block slides on the inner wall of the rectangular groove by rotating the screw rod, so that the airbag sheet deforms and expands outwards, the outer side of the joint of the lightning arrester body and the high-voltage line is wrapped and protected, the influence of rain and sun on the outer side of the joint of the high-voltage line and the lightning arrester body is reduced as much as possible, the service life of the lightning arrester body is prolonged, and the use effect of the lightning arrester body is improved.

The utility model discloses a dual-resistor integrated module, and relates to the technical field of electronic devices, the dual-resistor integrated module comprises a shell, a first resistor, a second resistor, a clamping structure and an encapsulation layer, and one end of the shell is provided with an opening; the first resistor and the second resistor are arranged in the shell side by side, a first metal contact pin and a second metal contact pin are arranged at the electrode positions, close to the first end of the opening, of the first resistor and the second resistor respectively, and the first metal contact pin and the second metal contact pin extend out of the opening. The electrodes of the second ends, far away from the opening, of the first resistor and the second resistor are connected through a conductive assembly, and the first ends of the first resistor and the second resistor are provided with a first clamping groove and a second clamping groove respectively; two ends of the clamping structure are respectively clamped in the first clamping groove and the second clamping groove; and the encapsulation layer is formed in the shell and is used for fixing and protecting the first resistor and the second resistor in the shell. According to the invention, the resistor can be accurately positioned and stably fixed, and the overall reliability is improved.

The invention discloses an aluminum shell heat dissipation and heating tube resistor integrated structure which comprises a heat dissipation aluminum shell, a plurality of installation cavities are formed in the heat dissipation aluminum shell, heating assemblies are installed in the installation cavities, lead terminals are installed on the heating assemblies, a closed cooling cavity is formed in the heat dissipation aluminum shell, and a resistor is arranged in the closed cooling cavity. According to the aluminum shell heat dissipation and heating tube resistor integrated structure, through the integrated fusion design of the aluminum shell and the heating tube resistor and the combination of the phase change material cooling technology, the heat dissipation bottleneck problem of a high-power resistor is solved, and the aluminum shell heat dissipation and heating tube resistor integrated structure is compact in structure and efficient in heat dissipation; the resistor is particularly suitable for high-end industrial application such as robots and new energy equipment, and is expected to replace a traditional aluminum shell resistor and an independent cooling system, the reliability of equipment is enhanced, and meanwhile, the equipment cost and maintenance requirements are reduced.

The invention belongs to the technical field of production of special materials for electrical equipment, and particularly relates to a ceramic resistor containing a continuous conducting layer and a preparation method and application thereof. According to the preparation method provided by the invention, the conductive material is deposited in the fibrofelt supporting layer by adopting vacuum impregnation-air pressure sintering, then the ceramic material is deposited in the supporting layer containing the conductive layer by adopting vacuum impregnation-air pressure sintering, and all the structural layers are continuously communicated to form the novel ceramic resistor. According to the invention, the fibrofelt is used as the supporting layer, and the carbon nanotubes can be uniformly and continuously dispersed through in-situ generation of the carbon nanotubes in the supporting layer, so that a conductive channel is formed, and the resistivity is effectively reduced; meanwhile, the fiber felt is impregnated with ceramic mixed slurry and is subjected to air pressure sintering, so that the apparent porosity can be effectively reduced, and the volume density is increased. Therefore, the ceramic resistor prepared by the invention has good electrical properties, excellent mechanical properties and good use stability, and is suitable for industrial application as a closing resistor material.

The invention relates to a use method of a suspension type independent tank closing resistor unit structure, the closing resistor unit structure comprises a plurality of resistor sub-strings which are located in a shell and are connected in series, and each resistor sub-string comprises an insulating rod which is arranged on a front end cover and a rear end cover in a delta shape; the insulating rods are provided with a plurality of I-wheel-shaped insulating sheets which are arranged along the axial direction of the insulating rods, the insulating sheets are internally provided with annular resistor discs, concave rings of the insulating sheets are provided with annular deformation grooves located at corners, and the corresponding resistor discs on different insulating rods are connected through copper sheets. Edge fragmentation of the resistor disc is avoided, and deflection deformation of the cross-core insulating rod is reduced; through the arrangement of the outer lining, impact damage of airflow to the appearance surface structure of the resistor disc in the inflation and deflation process is prevented, and even if slight abrasion exists, dust particles fall into the trap through the arrangement of the pull-out type particle trap on the shell and the slag falling hole of the outer lining, and insulation breakdown is avoided.

The utility model relates to the technical field of circuit elements, and specifically to a high-power plug-in alloy resistor, comprising a resistor housing, a sealing shell component, a connecting component and a heat dissipation component, wherein the heat dissipation component comprises a heat sink, a resistor core, an insulating sheet and quartz sand, wherein the heat sink is fixedly mounted in the resistor housing, the resistor core is fixedly mounted on the heat sink, the insulating sheet is fixedly mounted on the resistor core, and the quartz sand is fixedly mounted in the resistor housing, the resistor housing is welded and fixed on a circuit board through pins, and is electrically conductive through a conductive block, the resistor core emits heat during the flow of current, the emitted heat is dissipated through the heat sink, the high temperature generated by the resistor core is effectively taken away, and the performance is improved, while under the action of the insulating sheet and the quartz sand, the resistor core is protected, and the heat generated by the resistor core can be quickly conducted to the heat sink for heat dissipation, thereby effectively dissipating the generated heat and improving the service life of the resistor.

The utility model relates to an air duct structure of a forced air cooling brake resistor. The air duct structure is arranged on a resistor box body, the resistor box body comprises a box body air duct and a resistor element arranged in the box body air duct, and the air duct structure comprises a conical air guide device, a fan, an air inlet mesh enclosure and an air outlet shell arranged at the outlet end of the box body air duct which are sequentially connected with the inlet end of the box body air duct; the air inlet mesh enclosure is a cuboid mesh enclosure, a fan receding hole is formed in one side of the air inlet mesh enclosure, and fan blades of the fan are rotationally arranged at the fan receding hole. Compared with the prior art, the air duct structure enables air flow to be evenly distributed in the air duct of the box body, prevents the air flow from generating a blind area in the air duct and causing local over-temperature of a brake resistor, can effectively reduce the adverse effect of walking wind generated when a train travels on heat dissipation of the resistor, and improves heat dissipation efficiency.

The utility model relates to a high-power box-type liquid-cooled brake resistor, the resistor takes away heat through cooling liquid, the resistor comprises a shell, a resistor unit and a mounting plate, the mounting plate is mounted in the shell, the resistor unit is mounted on the mounting plate, the resistor further comprises a water inlet, a water outlet, a water passing plate and a water channel, the water inlet and the water outlet are installed on the shell, the water passing plate and the water channel are installed inside the shell, the water channel is connected with the water passing plate, one end of the resistor unit is placed in the water channel, and the cooling liquid sequentially passes through the water inlet, the water passing plate, the water channel and the water outlet. According to the utility model, the water channel is arranged, the integrated flow guide (anti-backflow design) design is adopted in the shell, the cooling liquid passes through the tubular resistor from bottom to top, and the temperature controller and the pressure monitoring instrument are arranged, so that the heat dissipation function is exerted to the utmost extent; by arranging the reinforcing ribs, the pressure bearing capacity of the shell can be enhanced, and the deformation amount of the shell in the working pressure bearing process is reduced.

A system includes an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power module, the power module including a thermistor assembly, the thermistor assembly including: a conductive layer including a trench; a thermistor connected to the conductive layer and disposed across the trench; and a first height control feature between the conductive layer and the thermistor.

The utility model discloses a modularized load, which comprises a box body, two longitudinal ends of the box body are provided with openings, one opening of the box body is fixedly connected with a fan, a plurality of resistor units are sequentially arranged in the box body along the longitudinal direction, and each resistor unit comprises a frame body and a resistance tape wound in the frame body in a snake shape. Air blown out by the fan blows through the frame body, the frame body is detachably connected with the box body, and two wiring terminals are fixedly arranged on the frame body. According to the requirement of a load, the resistor units with corresponding resistance values are inserted into the box body from the jacks at the top of the box body, and the resistor units can be connected in series or in parallel so as to obtain the required resistance value. Therefore, when the resistance value required by the load is changed, the whole modularized load does not need to be replaced, and only the corresponding resistor unit needs to be replaced or the wiring mode of the resistor unit needs to be changed, so that the manpower can be saved, the working efficiency is improved, the equipment investment can be saved, and the aim of reducing the cost is fulfilled.

The present application relates to the technical field of high-power resistor, conductive connection, electrothermal technology, and provides a production method of a high-power resistor with separated resistor sheets and the high-power resistor. The method comprises: processing a metal material through a laser device to make a resistor shell with convection heat dissipation holes; processing a plurality of cuboid-shaped resistor sheets, each resistor sheet being provided with an insulating support at an end portion and being capable of being connected in series and parallel according to resistance requirements as an independent resistance unit; and installing the resistor sheets into the shell at intervals to form a convection space of a preset height between adjacent resistor sheets, which is communicated with an external environment through the convection heat dissipation holes. The method of the present application obtains a high-power resistor composed of independent resistance units through a separated design and convection heat dissipation, effectively reduces the thermal load and energy consumption of the high-power resistor, and prolongs the service life.

Multilayer component (100) comprising an inert ceramic substrate (1) and at least one functional ceramic (2), wherein the functional ceramic (2) is completely enclosed by the ceramic substrate (1), wherein the functional ceramic (2) comprises a varistor, an NTC ceramic, a PTC ceramic or a ferrite, wherein the multilayer component (100) comprises a plurality of functional ceramics (2), and wherein the functional ceramics (2) have different expansion coefficients and / or different sintering temperatures.

The application provides a double-row lead frame resistance. The double-row lead frame resistance comprises a lead frame, a resistance, and the two ends of the first coil and the second coil are respectively installed with the lead wires; a protective cover; a cooling mechanism, the inside of the protective cover is fixedly connected with the supporting rod, the bottom end of the supporting rod is installed with the air bag; the top end of the supporting rod is internally installed with the fixed block and the fixed frame, the inside of the fixed block is slidably connected with the piston, the inside of the piston and the fixed block is respectively installed with the magnetic ring, the magnetic rings are attracted to each other; the inside of the fixed frame is slidably connected with the sliding rod, the sliding rod is fixedly connected with the piston, the side wall of the sliding rod is sleeved with the spring, and the two ends of the spring are respectively connected with the fixed frame and the piston; a cooling mechanism; a connecting mechanism. The double-row lead frame resistance provided by the application has the advantages of eliminating the self-induction of the coil, reducing the eddy current, and facilitating the dissipation of the heat inside the coil.

The present invention relates to a sensor comprising a ceramic substrate (1) and two metallization layers (2) applied on opposite surfaces of the ceramic substrate (1), each having an adhesion layer (2A) applied directly onto the ceramic substrate (1) and a gold layer (2B) applied on each adhesion layer (2A). Furthermore, the present invention relates to a method for manufacturing the sensor.

The utility model relates to a porcelain jacket lightning arrester, and relates to the technical field of lightning arresters, the porcelain jacket lightning arrester comprises a porcelain shell and a core body located in the porcelain shell, the outer circumferences of the two ends of the porcelain shell are fixedly sleeved with an upper flange and a lower flange respectively, the upper flange is fixedly provided with an upper pressing plate used for fixing one end of the core body, and the lower flange is fixedly provided with a lower pressing plate used for fixing the other end of the core body. A lower pressing plate for fixing the other end of the core body is fixedly arranged on the lower flange; an anti-explosion plate is fixedly arranged on the end face, away from the porcelain shell, of the upper pressing plate, a scribing groove is formed in the end face, facing a cavity opening of the porcelain shell, of the anti-explosion plate, a through hole is formed in the upper pressing plate, and closed gas in the porcelain shell can directly penetrate through the through hole to impact the scribing groove; according to the lightning arrester, when a short-circuit fault occurs in the operation process of the lightning arrester, the closed gas in the ceramic shell is sharply expanded, and the expanded gas applies pressure to the explosion-proof plate, so that the explosion-proof plate is torn at the scribed line groove, the internal pressure is released in time from the torn part, the possibility of comminuted explosion is reduced, and the service life of the lightning arrester is prolonged. And the safety performance of the lightning arrester in application is improved.

The utility model relates to the technical field of potentiometers, and discloses a potentiometer structure capable of being quickly assembled, which comprises a potentiometer body, a potentiometer shell is fixedly mounted on the outer surface of the potentiometer body, and a quick fixing component is arranged on the potentiometer shell. The rapid fixing assembly is used for rapidly and firmly fixing the potentiometer body in a mounting hole in a PCB, the rapid fixing assembly comprises a sliding block, a fixing ring, arc-shaped supporting plates, a trapezoidal groove, a locking groove and a fixing cutting edge, and the multiple arc-shaped supporting plates arranged in the rapid fixing assembly are used for fixing the potentiometer body; the problems that in a traditional mode, when a potentiometer is installed, only pins of the potentiometer are inserted into a PCB to be fixed, when a rotating shaft of the potentiometer is subjected to swing force forming a certain angle with the axial direction, contact force between a movable contact in the potentiometer and a resistor body is affected, the surface of the resistor body is damaged, adjustment fails and the like are solved. And the service life of the potentiometer is further influenced.

The present invention relates to a resistance unit, a resistance assembly, and a battery pack, and more particularly, to a connectable and separable resistance unit, a resistance assembly connected with a plurality of resistance units, and a battery pack mounted with the resistance assembly. A resistance unit according to one embodiment of the present invention comprises: a first resistance portion formed to extend in a first direction; a second resistance portion formed to extend in a second direction; a housing for accommodating the first resistive portion and the second resistive portion therein; and a terminal portion coupled with one or more of one end of the first resistance portion and one end of the second resistance portion and having a portion protruding out of the housing, in which an opening is formed through a portion of the housing facing the other end of the first resistance portion and a portion of the housing facing the other end of the second resistance portion, and the plurality of resistor units can be connected and separated in the first direction and the second direction, so that resistors of various specifications can be provided without being limited by the installation space of the resistors.

The application provides an intelligent packaging equipment for a pressure-sensitive resistor, a packaging process and the pressure-sensitive resistor. The intelligent packaging equipment for the pressure-sensitive resistor comprises a man-machine interface, a plurality of clamps and, sequentially arranged along the transmission direction of the clamps, a feeding rack, an oven, a packaging device and a discharging rack. The feeding rack, the oven and the discharging rack accommodate the clamps in a layered manner. The oven is provided with a constant temperature device for constant temperature adjustment of the pressure-sensitive resistor on the clamp. The packaging device comprises a packaging mechanical arm, a heat preservation box, a heating assembly and a powder tank assembly. The powder tank assembly is filled with packaging powder. The heating assembly comprises a heating door, a leveling rack and a sliding seat. The leveling rack is provided with a scraper extending into the powder tank assembly. The heat preservation box, the heating assembly and the powder tank assembly are sequentially distributed from top to bottom to make the packaging process of the pressure-sensitive resistor continuous and orderly, improve the packaging efficiency and the packaging yield, and reduce the volume of the packaging equipment and improve the space utilization.

The utility model provides a chip resistor. The chip resistor comprises a substrate, a back electrode, a front electrode, a resistive layer, a protective layer and a side electrode, the protective layer comprises a first protective layer and a second protective layer; the first protective layer is made of a glass material, and the second protective layer is made of at least two layers of epoxy resin materials; a third protective layer is formed on the left electrode and the right electrode which are not covered, and the third protective layer is made of a resin silver material; through a multi-layer protection structure formed by the first protection layer made of the glass material and the second protection layer made of the epoxy resin material, invasion of moisture, chemical corrosion and mechanical damage is effectively prevented, the service life of the resistor in a severe environment is remarkably prolonged, and particularly, through the third protection layer made of the resin silver material, the service life of the resistor is prolonged. The anti-corrosion performance of the electrode part is enhanced, so that the resistor can keep stable electrical performance during long-time work.

The invention relates to a composite jacket gapless metal oxide lightning arrester, which comprises an umbrella skirt protection cover and a gapless lightning arrester body, the gapless lightning arrester body is movably arranged in the umbrella skirt protection cover, the center of the gapless lightning arrester body is provided with an axial through central hole channel, a working medium pipe is arranged in the central hole channel in a penetrating manner, and the working medium pipe is connected with the umbrella skirt protection cover. The working medium pipe comprises an evaporation section positioned at the bottom and a condensation section positioned at the top, and the end part of the condensation section extends to a top cavity above the gapless lightning arrester body; a capillary pipeline is attached to the inner wall of a pipe cavity of the working medium pipe, and a low-boiling-point working medium is contained in the capillary pipeline. And the outer wall of the condensation section at the top of the working medium pipe is also provided with a heat guide assembly, so that the interior of the umbrella skirt protection cover can be cooled, and the normal work of the gapless lightning arrester body is effectively ensured.

The invention discloses a lightning arrester with high protection performance, and particularly relates to the technical field of lightning arresters, the lightning arrester comprises a lightning arrester body, a rotating shell is arranged outside the lightning arrester body, an insulating pipe sleeve fixedly sleeves the exterior of a wiring end of the lightning arrester body, a rotating table is arranged on the bottom surface of the lightning arrester body, and the rotating table is fixedly connected with the rotating shell. Two rain baffles are fixedly mounted on the inner circular wall surface of the rotating shell; the protection assembly is arranged in the rotating shell and used for guaranteeing the protection effect of the lightning arrester body, the protection assembly comprises two connecting frames, the two connecting frames are both arranged in the rotating shell, flexible brushes are arranged outside the connecting frames, and the flexible brushes are arranged in the rotating shell. The flexible brush is attached to the curved surface of the lightning arrester body under the preset contact pressure, closed-loop spiral track motion is formed under driving of the connecting frame, automatic operation without a power source is achieved through a high-altitude continuous wind field, and therefore pollutants such as dust, salt crystals and bird droppings attached to the lightning arrester body can be conveniently stripped off.

The dustproof heat dissipation resistor cabinet comprises a cabinet main body, an inner cavity is formed in the front face of the cabinet main body, cabinet doors are connected to the two sides of the opening face of the front face of the cabinet main body through hinges, through grooves are formed in the two sides of the cabinet main body, fixing blocks are fixedly connected to the inner surfaces of the through grooves, and side heat dissipation mechanisms are arranged at the positions of the fixing blocks; the top of the inner cavity of the cabinet main body is fixedly connected with a heat dissipation fan shell, a heat dissipation fan is arranged in the heat dissipation fan shell, the heat dissipation port of the resistor cabinet is provided with the filter screen, the filter screen can be detached, and when the filter screen is dirty, the filter screen can be taken down and cleaned, so that the heat dissipation performance of the resistor cabinet is improved. According to the resistor cabinet, the filter screen is arranged, so that when the resistor cabinet exchanges internal and external environment air through the heat dissipation opening, the filter screen can block dust in the air, and the filter screen is frequently cleaned, so that the dust in the filter screen can be prevented from falling into the resistor cabinet in the use process, and devices in the resistor cabinet are protected.

The utility model relates to a resistor box body, in particular to a heat dissipation window for the resistor box body, which solves the problems that the open-air environment is not considered in the design of the heat dissipation window of the existing resistor box body, and sand and dust are easy to gather in an air duct of the heat dissipation window, so that the through-flow area is reduced, and the heat dissipation is influenced. The projection parts of the second vertical sections of the S-shaped shutter strips located at the top and the projection parts of the first vertical ends of the S-shaped shutter strips located at the bottom in the plane where the first vertical sections or the second vertical sections are located coincide; the two flow guide plates guide the hot air to enable the hot air to flow to the outside, if external sand and dust enter the resistance box, the sand and dust need to move upwards against the gravity, the flow guide plates block the sand and dust, part of the sand and dust can fall on the second flow guide plate, and the included angle between the first flow guide plate and the first vertical section is 100-170 degrees; and the included angle between the second guide plate and the second vertical section is 100-170 degrees, so that a large amount of dust cannot be gathered, and smooth through-flow is ensured.

The invention relates to a resistor structure comprising at least an electrically insulating substrate in a cylindrical form, at least one electrically conductive terminal directly or indirectly provided on the substrate, at least one resistive path directly or indirectly and at least partially provided on the substrate and directly or indirectly joined to the terminal, the resistive path running helically at least partially along the cylindrical form of the substrate and comprising at least one resistive trace, characterized in that the geometry in connection with the resistive path is configured such that an intensity of the electrical field is at least in parts reduced.

The invention discloses a chip thermistor. The chip thermistor comprises a ceramic body, a coating layer, two external electrodes and a plurality of internal electrodes, the ceramic body comprises a plurality of ceramic layers which are stacked in the first direction, the outer surface of the ceramic body is coated with the coating layer, and the two external electrodes are arranged on the ceramic body. The internal electrode is disposed in the ceramic body, and the surface area S1 on the ceramic layer and the surface area S of the ceramic layer satisfy 0.1 S < = S1 < = 0.5 S. According to the area proportion design, the electrical yield is guaranteed, meanwhile, an enough ceramic matrix bonding area is reserved, and the cracking risk can be reduced. Meanwhile, the coating layer can serve as a protective barrier to block electroplating liquid and water vapor, the corrosion and overplating phenomena are effectively improved, and the structural strength of the device is improved. In addition, the invention also discloses electronic equipment with the chip thermistor.

Disclosed in the present invention is a short-range optical potentiometer module, comprising a potential base body provided with a key slot, and a potential key which is mounted inside the key slot and can be displaced up and down, wherein a reset member for resetting the potential key is also arranged inside the key slot, an optical pair transistor composed of a photosensitive element and a light-emitting element is arranged inside the potential key, the optical pair transistor can be displaced up and down along with the potential key, a key base is internally provided with a fixed grating corresponding to the optical pair transistor, the reset member is sleeved on the grating, and the grating is configured such that the flux of light received by the photosensitive element from the light-emitting element changes along with the up-and-down displacement of the potential key, thereby causing an electrical signal generated by the photosensitive element to change along with the displacement of the potential key. The module of the solution uses non-contact photoelectric elements, thereby greatly increasing the service life; when the change in flux of light at the same distance is adjusted, the overall height of the module is close to or the same as the height of a potential base body; and the module has a skillful overall structure layout, can be conveniently assembled and replaced, and has strong practicality.

The invention discloses low-temperature curing slurry for a thick film hybrid circuit and a preparation method of the low-temperature curing slurry, and relates to the technical field of electronic slurry. Wherein the organic carrier comprises 35 to 55 weight percent of thermosetting resin and 45 to 65 weight percent of solvent; the thermosetting resin comprises at least two of epoxy resin, modified epoxy resin and organosilicon modified polyester resin, the epoxy resin is bisphenol A type solid resin, and the modified epoxy resin is an alkoxy siloxane modified product with an epoxy functional group. According to the invention, at least two of epoxy resin, modified epoxy resin and organosilicon modified polyester resin are adopted as matrix resin, the epoxy resin is bisphenol A type solid resin, a body network structure is formed after curing and crosslinking, the crosslinking density is high, the modified epoxy resin is an alkoxy siloxane modified product with an epoxy functional group, and the curing strength is high. Alkoxy siloxane contained in the resin can improve the adhesive force in the curing process, and in addition, the leveling property of the slurry can be improved.