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51results about How to "Increase gap distance" patented technology
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Sheet conveying apparatus and image forming apparatus
InactiveUS8387975B2Increase gap distanceIncrease delivery speedRegistering devicesArticle feedersEngineeringSheet material
Owner:CANON KK
Sheet conveying apparatus and image forming apparatus
InactiveUS20120093554A1Improve throughputIncrease delivery speedRegistering devicesElectrographic process apparatusEngineeringSheet material
A sheet conveying apparatus includes: a conveying unit nipping a sheet in a nip portion to convey the sheet; a shutter unit rotated in a predetermined rotation direction by being pushed by the conveyed sheet to correct a skew of the sheet; a rotation transmitting unit configured to transmit a rotational driving force to the shutter unit to rotate the shutter unit in the predetermined rotation direction; and an urging unit configured to apply an urging force to the shutter unit so that the shutter unit comes into contact with a surface of the sheet, thereafter the shutter unit is returned to a waiting position along with the passage of a rear end of the sheet through the shutter unit after the shutter unit is rotated by the rotational driving force of the rotation transmitting unit.
Owner:CANON KK
Magnetic encoder and signal processing circuit for the magnetic encoder
InactiveUS20060202681A1Accurate detectionExclude influenceUsing electrical meansConverting sensor outputSignal processing circuitsMagnetic media
A magnetic encoder includes a magnetic medium, at least three magnetic sensor elements opposed to the magnetic medium and sequentially arranged within a range equal to or shorter than a magnetized pitch or magnetized pitches of the magnetic medium, along a relative movement direction with respect to the magnetic medium, and a signal processing circuit receiving output signals from the at least three magnetic sensor elements. The signal processing circuit includes an input unit for detecting logical states of the output signals received from the at least three magnetic sensor elements and for generating a sequence of state-detection signals arranged in the order of the at least three magnetic sensor elements, and a judgment unit for judging that the output signals received are correct output signals only when the state-detection signal sequence generated agrees with either of two expected state-detection signal sequences.
Owner:TDK CORPARATION
Alternating current-direct current switching high-voltage system of double current vehicle
PendingCN110525230ARealize overvoltage protectionImprove securitySpeed controllerRailway vehiclesVoltage amplitudeTraction transformer
The invention discloses an alternating current-direct current switching high-voltage system of a double current vehicle. The alternating current-direct current switching high-voltage system comprisesan alternating current-direct current pantograph, a network voltage mutual inductor and a vacuum circuit breaker. The network voltage mutual inductor recognizes the alternating current-direct currentpantograph according to the monitored voltage amplitude and frequency to receive alternating currents or direct currents, and the vacuum circuit breaker turns on or off a main switch of a power source. The system further comprises an alternating current circuit, a direct current circuit, an alternating current-direct current switching switch and arresters. The power supply output end of the systemis connected with a traction transformer and traction converters. According to the alternating current-direct current switching system, the alternating current circuit and the direct current circuitare integrated, circuit protection devices are designed on a main circuit, the alternating current circuit and the direct current circuit, over-voltage protection is achieved in the alternating current-direct current power supply switching process, and safety is improved; and meanwhile, the pantograph, the network voltage mutual inductor, the vacuum circuit breaker, the traction converters and traction motors of the system are common devices, and the manufacturing cost and the use cost are greatly saved.
Owner:CRRC CHANGCHUN RAILWAY VEHICLES CO LTD
Operating method for replacing linear V insulator string on super and ultra-high voltage direct current transmission line in electrified mode
InactiveCN103606853ABear small loadSmall sizeApparatus for overhead lines/cablesUltra high voltageTower
The invention provides an operating method for replacing a linear V insulator string on a super and ultra-high voltage direct current transmission line in an electrified mode. The method comprises the following steps that an iso-electric level is entered through a tangent tower; a cross arm side clamp or a connecting tool is installed with a reserved construction hole formed in the position over a wire connecting plate or a main material as a side pivot of a cross arm of the tool; two sets of wire lifting systems which are independently stressed are respectively connected through the cross arm side clamp or the connecting tool; a hydraulic lead screw is operated to lift a wire to transfer a mechanical load of the insulator string; the insulator string to be maintained is dismounted. According to the operating method, due to the fact that the two sets of wire lifting systems stressed independently are utilized for protection, the adopted tools bear small loads compared with the tools in a single wire lifting system, the size of the adopted tools can be moderately small when the same loads are borne, the distance of a gap between the wire and the cross arm is correspondingly lengthened, and the electrification operation can be carried out more safely. In addition, due to the fact that the size of the tools becomes small, the operating method has the considerable advantages in the aspects of transporting, installing and improving the maintaining efficiency.
Owner:STATE GRID CORP OF CHINA +1
Parallel gap lightning protector with oscillating arm electrode
The invention provides a parallel gap lightning protector with an oscillating arm electrode, belongs to the technical field of the lightning protection of power overhead lines, and in particularly relates to an annular parallel gap lightning protector with the oscillating arm electrode and a high-voltage overhead line insulator string; the annular parallel gap lightning protector is capable of automatically rotating according to the short circuit condition of power-frequency electric arcs, and therefore, the length of the gap is increased to extinguish the power-frequency electric arcs as soon as possible, and lightning stroke line breakage accidents are effectively reduced; the following technical scheme is adopted: a current guide ring is a conducting metal ring which closely sleeves a naked conductor obtained by peeling off an insulating layer of a lead, a lead side electrode and a ground side electrode both are spherical rod-like electrodes, one ends of the lead side electrode and the ground side electrode both are made of spherical metal relatively high in density, the other end of the lead side electrode is fixedly connected with the current guide ring, a rotating disc is arranged on the other end of the ground side electrode and hinged with one end of a fixed support, the other end of the fixed support is fixed on the lower end of an insulator, and a self-oscillating device is further mounted in the middle of the fixed support.
Owner:STATE GRID CORP OF CHINA +1
Portable multi-parameter physical sign monitoring device
ActiveCN104116498AOptimize structure layoutEasy to moveSurgeryDiagnostic recording/measuringElectricityMulti parameter
The invention provides a portable multi-parameter physical sign monitoring device. The portable multi-parameter physical sign monitoring device comprises a shell and a main support assembly, wherein the shell is provided with an installation cavity, and the main support assembly is arranged in the installation cavity. The main support assembly comprises a parameter board, a main support, a main control panel and a probe plate. The front side of the main support is connected with the main control panel. The rear side of the main support is connected with the parameter board. The right side or the left side of the main support is connected with the probe plate. The main control board is electrically connected with the parameter board through a connector. The parameter board is electrically connected with the probe plate through a connector. The portable multi-parameter physical sign monitoring device has the advantages that an air gap is enlarged, the creep distance is increased, the safety and the reliability are high, the anti-interference performance is high, cable connection is avoided, the occupied space is reduced, assembly is easy, air in the installation cavity of the shell can well flow, air flow is not hindered by cables, and the improvement on the heat dissipation performance is facilitated.
Owner:EDAN INSTR
Method of manufacturing substrate having resist film
InactiveUS20050227014A1Improve uniformityDecreasing distribution rateSemiconductor/solid-state device manufacturingPhotomechanical coating apparatusResistEngineering
The height H of a liquid level, a capillary gap distance T, and a relative scanning speed between a coating nozzle 22 and a surface 10a, which is to be coated, are adjusted within an adjustable range by simultaneously setting the thickness of a coating film 21a formed of a resist agent at a predetermined value. Thus, a coating gap G is widen.
Owner:HOYA CORP
Electromagnetic relay
PendingCN110797233AImprove cooling effectImprove performanceElectromagnetic relay detailsStructural engineeringMechanical engineering
The invention discloses an electromagnetic relay, which comprises a base, a housing, a coil, a movable reed and two static reeds. The housing is fixedly connected with the base. The coil is located between the base and the housing. The movable reed is provided with a plurality of movable contacts. Each static reed comprises a plate-shaped base part, part of one side of each plate-shaped base partextends outwards and is bent to form a static contact fixing part, and a static contact is fixedly arranged on each static contact fixing part. The base is provided with avoiding through holes. The two static reeds are fixedly connected to the outer side face of the base at intervals through the plate-shaped base parts respectively, each static contact fixing part stretches into the position between the base and the housing through one avoiding through hole, and each static contact corresponds to one movable contact on the movable reed. The plate-shaped base part on each static reed partiallyextends out of the housing to form a connecting part. According to the invention, the heat dissipation effect of the static reed is well improved, the performance of the relay is improved, the preparation process is simplified, the preparation cost is reduced, and the service life of the relay is prolonged.
Owner:XIAMEN HONGFA AUTOMOTIVE ELECTRONICS CO LTD
Rotary liquid whistle cavitation generator
PendingCN106629995AHigh strengthImprove cavitation effectWater/sewage treatment with mechanical oscillationsCavitationMechanical engineering
The invention discloses a rotary liquid whistle cavitation generator which comprises coaxially arranged rotors, housing and rotating shaft, wherein a sealing device is arranged between each end of the housing and the rotating shaft; a gap is formed between an inner wall surface of the housing and an outer wall surface of each rotor; a sealed inner cavity is surrounded by the inner wall surface of the housing, the outer wall surfaces of the rotors and the sealing devices; a liquid inlet is formed in one end of the housing; a liquid outlet is formed in the other end of the housing; the liquid inlet and the liquid outlet are communicated with the inner cavity; a plurality of annular partition plates are axially arranged in the housing at intervals; outer peripheries of the annular partition plates are fixed onto the inner wall surface of the housing; the rotor is rotationally penetrated in central through holes of the annular partition plates; the inner cavity is divided into a plurality of sealed sub-cavities by the annular partition plates; a short pipe is arranged on the partition plate between the adjacent sub-cavities; the two adjacent sub-cavities are communicated by the short pipe; a plurality of spring pieces are uniformly distributed on the rotor located in each sub-cavity; the spring pieces are fixed on the outer wall surfaces of the rotors in the radial direction of the rotors.
Owner:ZHEJIANG UNIV OF TECH +1
electrical installation equipment
InactiveCN101010766BIncrease gap distanceIncrease creepage distanceProtective switch detailsElectrical installationEngineering
The invention relates to an electrical installation device having a housing (11) in which electrically conductive components are arranged, said openings (27; 60, 61) being accessible through openings (27; member. At least one opening (27; 60, 61) can be assigned at least one wall-shaped insulating barrier made of electrically insulating material, by means of which the distance between two adjacent openings (27; 60, 61) can be increased. Air gaps and creepage distances, wherein the insulation barrier is fixable on the housing (11) of the installation device.
Owner:ABB PATENT GMBH
Electromagnetic relay
PendingCN114156124AIncrease the insulating mediumIncrease gap distanceElectromagnetic relay detailsStructural engineeringMechanical engineering
The invention provides an electromagnetic relay which comprises a base, an electromagnetic system and a contact system, the electromagnetic system and the contact system are assembled on the base, and the electromagnetic system comprises a coil and a yoke; the base comprises a base and a coil frame, the coil frame comprises an upper flange, a lower flange and a winding shaft located between the upper flange and the lower flange, the coil is assembled on the winding shaft, the lower flange of the coil frame is connected with the base, the yoke is assembled on the base, the base is further integrally provided with an insulating wall in a protruding mode, and the insulating wall is connected with the coil frame. And the insulating wall is positioned between the coil and the yoke. Through simple design, the insulating medium is added between the coil and the yoke, so that the air gap and the creepage distance between the coil and the yoke can be effectively increased, and the voltage resistance is improved; and the structure is compact.
Owner:XIAMEN HONGFA SIGNAL ELECTRONICS CO LTD
Wiring device of circuit breaker
ActiveCN112820593ASimple structureEasy to assemble and disassembleElectric switchesSwitch terminals/connectionsBusbarStructural engineering
The invention provides a wiring device of a circuit breaker. The wiring device comprises: a circuit breaker body; a plurality of conductive connecting pieces arranged on the wiring side of the circuit breaker body, wherein each conductive connecting piece is provided with a first connecting plate which is arranged along the vertical direction and is exposed outside the circuit breaker body, and a second connecting plate which is inserted into the circuit breaker body; and a wiring cover cap which is detachably mounted on the circuit breaker body and is suitable for shielding the second connecting plate and part of the first connecting plate, wherein the wiring cover cap is provided with a plurality of first slots which are arranged at intervals along the height direction of the wiring cover cap and are used for the insertion of the corresponding conductive busbars, and open holes through which the other part of the first connecting plate extends to the first slots. When the wiring device is assembled, the second connecting plates of the plurality of conductive connecting pieces are inserted into the circuit breaker body, then the wiring cover is installed on the circuit breaker body, and finally the plurality of conductive busbars are correspondingly inserted into the first slots in one side of the wiring cover to be connected with the first connecting plates, so that the wiring device has the advantages of being simple in structure and quick and convenient to disassemble and assemble.
Owner:ZHEJIANG SHILONG ELECTRICAL TECH CO LTD
Method of manufacturing substrate having resist film
InactiveUS7517560B2Improve uniformityReduce frictionSemiconductor/solid-state device manufacturingPhotomechanical coating apparatusResistEngineering
The height H of a liquid level, a capillary gap distance T, and a relative scanning speed between a coating nozzle 22 and a surface 10a, which is to be coated, are adjusted within an adjustable range by simultaneously setting the thickness of a coating film 21a formed of a resist agent at a predetermined value. Thus, a coating gap G is widen.
Owner:HOYA CORP
Method for preparing semiconductor
ActiveCN112992673AQuality improvementStable structureSemiconductor/solid-state device manufacturingSemiconductor structurePhotoresist
The invention provides a method for preparing a semiconductor, and relates to the technical field of semiconductor structure preparation. The method comprises the steps: forming a positive photoresist layer on the upper surface of a substrate; exposing the positive photoresist layer by using the first mask structure, forming a plurality of spaced first inverted trapezoidal structures in an exposure region of the positive photoresist layer, and forming a first regular trapezoidal structure in a non-exposure region between two adjacent first inverted trapezoidal structures; forming a negative photoresist layer above the positive photoresist layer; exposing the negative photoresist layer by using a second mask structure, and forming a second inverted trapezoidal structure in an exposure region of the negative photoresist layer; developing the positive photoresist layer and the negative photoresist layer, and forming a plurality of photoresist columns formed by stacking first positive trapezoidal structures and second inverted trapezoidal structures on the substrate; performing electron beam metal evaporation on one side of the upper surface of the substrate; and performing plasma treatment on the two waists on the same side of the first regular trapezoidal structure along the inclination direction of the two waists of the second inverted trapezoidal structure.
Owner:度亘激光技术(苏州)有限公司
Outdoor vertical type vacuum circuit breaker
ActiveCN104282482AEnhanced external insulationIncrease gap distanceHigh-tension/heavy-dress switchesAir-break switchesBusbarHigh pressure
The invention provides an outdoor vertical type vacuum circuit breaker. According to the outdoor vertical type vacuum circuit breaker, an upper flange of an upper insulator and a lower flange of a lower insulator are wrapped in a silicone rubber shell, so that the original electric clearance and the original creep distance are increased, and the interelectrode external insulation capacity and the ground insulation capacity are improved; in addition, insulation covers are arranged on a high-voltage input port of an upper busbar assembly and a high-voltage output port of a lower busbar assembly respectively, an air path between the upper busbar and the lower busbar is blocked, and then the interelectrode external insulation capacity and the ground insulation capacity are further improved; furthermore, due to the fact that a corrugated pipe is arranged between the lower insulator and a base plate assembly, compared with an existing sealing ring, the outdoor vertical type vacuum circuit breaker has the advantages that a sealed isolation cavity can be formed, the creep distance and the electric clearance are increased, the ground insulation capacity is improved, and the requirement for the level of outdoor protection is met.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE CO
Four-parallel-connection power module group of inverter
PendingCN111541381AHomogenization of heat dissipation pointsReduce in quantityConversion constructional detailsModifications for power electronicsCapacitanceBusbar
The invention discloses a four-parallel-connection power module group of an inverter. Each power module comprises a plurality of IGBT modules, a power busbar, a heat dissipation assembly, a power module shell assembly used for fixing the modules and assemblies and the like. The IGBT modules are power module core assemblies. The power busbar is used for connecting the IGBT modules and a capacitor busbar. The heat dissipation assembly is mainly a heat radiator and is used for dissipating heat for the IGBTs and fixing the IGBT and other assemblies; the shell assembly is composed of a power moduleshell and a part of insulating supporting pieces and used for fixing devices such as the heat radiator. A plurality of IGBT modules contained in one power module share one heat radiator, the layout is compact, the heat dissipation efficiency of the heat radiator is effectively improved, and meanwhile, the complexity in the assembly process is also reduced. The power modules are designed and installed behind a capacitor module, thereby preventing the capacitor module from being directly pressed on the power busbar to cause damage to the power busbar when the capacitor module and the power module are installed up and down.
Owner:TBEA XIAN ELECTRIC TECH +1
Keyboard protective film
InactiveCN102566765APromote circulationGood for healthInput/output for user-computer interactionTectorial membraneSurface layer
The invention relates to a keyboard film, in particular to an inflatable keyboard protective film with light-emitting and dust-proof effects, which belongs to the field of computer accessories. The inflatable keyboard protective film is provided with a massage layer, when a person clicks the keyboard film, the top parts of the fingers can be massaged for stimulating peripheral nerves of the fingers and promoting blood circulation, so that the keyboard protective film is beneficial to human health. A photocatalyst coating is arranged on the surface layer, so that the protective film has the dust-proof and self-cleaning effects. The inflatable keyboard protective film adopts a double-layer structure with an inflatable structure instead, when the inflatable keyboard protective film is cleared, air can be inflated into the keyboard film for bulging the keyboard film so as to increase the gap distances between bulges, enable sundries and dusts to drop out and simultaneously facilitate clearing.
Owner:DALIAN ZHAOYANG SOFTWARE TECH
Design method and manufacturing method of shell-shaped tooth appliance
The invention discloses a design method and a manufacturing method of a shell-shaped tooth appliance, solves the problem that the existing shell-shaped tooth appliance is insufficient in retention, particularly insufficient in retention for teeth with short and small dental crowns, improves the correction curative effect of the shell-shaped tooth appliance, does not affect the appearance while increasing the retention of the short and small teeth, and has a good application prospect. Meanwhile, the purpose of improving the invisible correction treatment effect and the satisfaction degree of the patient is achieved. The design method of the shell-shaped tooth appliance comprises the following steps: acquiring a digital tooth jaw model, cutting the digital tooth jaw model, virtually designing a correction plan, and designing a digital model of the shell-shaped tooth appliance. The shell-shaped body of the shell-shaped tooth appliance is also provided with an auxiliary retention part between the cavities for accommodating two adjacent teeth, and the auxiliary retention part is provided with a geometric structure for providing retention force for enabling the shell-shaped body to stably wrap the plurality of teeth. The manufacturing method is used for manufacturing the shell-shaped tooth appliance based on the design method.
Owner:SHANGHAI SMARTEE DENTI TECH CO LTD
A kind of power module, frequency converter and power module manufacturing method
ActiveCN107370345BLow costSmall footprintCooling/ventilation/heating modificationsPower conversion systemsFrequency changerEngineering
Owner:QINGDAO CCS ELECTRIC CORP
Combined adjustable transformer bobbin and transformer applying same
ActiveCN102867625BIncrease gap distanceIncrease creepage distanceTransformers/inductances coils/windings/connectionsTransformerEngineering
Owner:MORNSUN GUANGZHOU SCI & TECH
Outgoing line terminal cover and bar-shaped switch
PendingCN114695007AIncrease gap distanceIncrease creepage distanceAir-break switch detailsContact electric connectionBusbarStructural engineering
An outgoing line terminal cover and a bar-shaped switch relate to the technical field of electric appliance switches, the outgoing line terminal cover comprises a shell and a connecting assembly fixedly connected with the shell, the shell is internally provided with a fixed end for accommodating an outgoing line busbar and an accommodating space for a wiring terminal, the shell is provided with a first opening, and the first opening is used for a lead connected with the wiring terminal to pass through; the connecting assembly is used for being hinged to a base of the strip-shaped switch so that the shell can rotate relative to the base. According to the outgoing line terminal cover and the bar-shaped switch, the structure of the bar-shaped switch can be simplified and the size of the bar-shaped switch can be reduced on the premise of increasing interphase electrical gaps and creepage distances.
Owner:SHANGHAI LIANGXIN ELECTRICAL
Sinking plate type connecting piece and solid state disk structure
PendingCN111864433AReduce material costsReduced processing performanceCarrier constructional parts dispositionCoupling contact membersStructural engineeringMechanical engineering
The invention discloses a sinking plate type connecting piece and a solid state disk structure, the sinking plate type connecting piece comprises a connecting terminal, a connecting weld leg and a buffer part, the connecting terminal is connected with the first end of the buffer part, the connecting weld leg is connected with the second end of the buffer part, and the bottom surface of the connecting terminal is not lower than the bottom surface of the connecting weld leg. According to the sinking plate type connecting piece, the sinking plate type connecting piece is used in the solid state disk, the gap distance between components on the printed circuit board and the inner surface of the shell can be effectively increased, the components on the printed circuit board are prevented from being extruded, meanwhile, the insulating adhesive tape does not need to be additionally arranged in the shell, the material cost and machining procedures of the solid state disk are reduced, and the product competitiveness is improved.
Owner:RAMAXEL TECH SHENZHEN +1
High-voltage-resistance reflector lamp
PendingCN107830453AIncrease heightIncrease gap distanceLighting heating/cooling arrangementsLight fasteningsEngineeringMaterials science
The invention belongs to the technical field of lamps, and provides a high-voltage-resistance reflector lamp. The high-voltage-resistance reflector lamp comprises a light source module, a glass lamp cup arranged above the light source module, a heat dissipation lamp cup arranged below the light source module and a power supply module arranged below the heat dissipation lamp cup. The top of the heat dissipation lamp cup is provided with a boss. The light source module comprises an LED light source, a light source gland arranged above the LED light source and a light source fixing base for fixing the LED light source. The power supply module is electrically connected with the LED light source, and the bottom of the LED light source is in fit with the top of the boss of the heat dissipation lamp cup. Since the light source gland is arranged above the LED light source, and the heat dissipation lamp cup with the boss is arranged below the LED light source, the height between the light source gland and the light source fixing base of the LED light source is increased, in other words, the electric clearance and creep distance between the light source gland and the light source fixing baseare effectively increased, so that the high-voltage-resistance reflector lamp has a good high-voltage-resistance effect and is simple and compact in overall structure.
Owner:SHENZHEN BETOP ELECTRONICS CO LTD
A jackfruit picking device
ActiveCN112640655BPlay a protective effectReduce labor intensityPicking devicesAgricultural engineeringStructural engineering
The invention relates to the field of agricultural technology, and discloses a jackfruit picking device, which includes a binding mechanism, the binding mechanism includes binding blocks, the number of binding blocks is twelve, twelve groups of binding blocks are distributed in a circular array, and two adjacent binding blocks Four groups of fastening mechanisms are arranged between the blocks, and the fastening mechanisms include travel plates, stretch rods and guide rods, and ropes are arranged on twelve groups of binding blocks. For the jackfruit picking device, the present invention will be that twelve groups of binding blocks are engaged in the middle of the outer wall of the jackfruit in an annular array, and stroke plates and pullers that can flexibly adjust the expansion position and length are arranged between the two adjacent binding blocks. Stretch the rod, so that the twelve groups of binding blocks can adaptively engage and bind jackfruits of different thicknesses. The adjustment of expansion and contraction can be carried out independently, and the invention improves the picking efficiency of jackfruit.
Owner:台州市黄岩日隆模具厂(普通合伙)
contactor
ActiveCN108206122BIncrease gap distanceIncrease creepage distanceProtective switch detailsElectromagnetic relay detailsContactorPhysics
Owner:ZHEJIANG CHINT ELECTRIC CO LTD +1
Improved cloth dyeing machine structure
ActiveCN104846573AReduce moistureReduce output powerLiquid/gas/vapor treatment of propelled fabricsMaster cylinderCylinder head
The application of the invention provides an improved cloth dyeing machine structure comprising a main cylinder. A front pipeline, a cylinder head and a rear pipeline are arranged at the top the main cylinder, wherein the front pipeline, the cylinder head and the rear pipeline are successively connected. A roller is arranged in the cylinder head; and a fabric unit driven by the roller passes through the front pipeline, the cylinder head and the rear pipeline successively. An atomized water nozzle and a wind main nozzle are successively arranged at the rear pipeline; and a front nozzle is also arranged at the front pipeline. When the front nozzles carries out spraying upwardly, an extra push force is provided for pushing the fabric unit to move. Most importantly, before entering the wind main nozzle, the fabric unit has been wetted to a certain extent by the front adjustable nozzle and the extra accumulated water is drained before entrance to the wind main nozzle, so that the water in the fabric unit is reduced and thus the weight is also reduced. Because of the extra push force of the front adjustable nozzle and the reduced weight of the fabric unit, the air load is also reduced, thereby reducing the power output and power consumption of the fan. On the basis of improvement, water nozzles can be arranged at the rear and in the front of the machine and free and flexible adjustment can be realized for operation according to the process requirement.
Owner:FONGS NAT ENG (GUANGDONG) CO LTD
Electromagnetic relay structure
PendingCN111785571AWon't come outStable structureElectromagnetic relay detailsEngineeringStructural engineering
The invention discloses an electromagnetic relay structure which comprises a magnetic circuit mechanism and a contact element. The magnetic circuit mechanism comprises a coil rack, an iron core is arranged in the coil rack, a coil is wound on the coil rack, and the coil is connected with a coil leading-out terminal; a mounting groove for mounting a L-shaped yoke and an armature is longitudinally formed in the base; the armature comprises a longitudinal inclined section and a transverse inclined section connected with the longitudinal inclined section, the longitudinal inclined section is embedded in the mounting groove, and the end part of the longitudinal inclined section is connected with a push rod for pushing a movable contact spring; the transverse inclined section is positioned abovethe iron core through a pressure spring, the knife edge surface of the L-shaped yoke is in fit contact with the connecting rotating shaft of the transverse inclined section and the longitudinal inclined section of the armature, and the transverse section of the L-shaped yoke is fixed with the coil rack and the iron core through riveting; the contact element comprises a static lead terminal and amoving lead terminal, the head of the static lead terminal and the head of the moving lead terminal both penetrate out of the shell, and a first PCB pin and a second PCB pin are arranged at the bottomof the shell. The electromagnetic relay structure has the advantages of ingenious design, simple assembly, reduced cost and improved high-voltage resistance and insulation performance of the product.
Owner:XIAN HONGFA ELECTRIC APPLIANCE
Power module and frequency converter
ActiveCN107317464AHigh insulation levelImprove ability to work normallyCooling/ventilation/heating modificationsPower conversion systemsFrequency changerEngineering
The invention puts forward a power module comprising a plurality of power elements and a support plate for supporting the power elements, wherein the plurality of power elements are interconnected and are fixed above the support plate, the power elements are provided with insulating plates that are arranged along a transverse side part, the insulating plates are fixed on the support plate, an insulating layer is arranged between the support plate and the power elements, a bottom part of the insulating layer is adhered and fixedly connected to a top part of the support plate, and a top part of the insulating layer is connected to the power elements and the insulating plates in a pressed manner. The power module disclosed in the invention is high in insulation grade, simple in structure, small in occupied space and low in cost.
Owner:QINGDAO CCS ELECTRIC CORP
Explosion-proof transposition device
PendingCN114256036AFixed, safe and reliableRealize transposition stateProtective switch operating/release mechanismsRotational axisEngineering
The invention discloses an explosion-proof transposition device which is characterized by comprising an explosion-proof shell (1), a transposition component and a contact switch (3), the contact switch (3) is located in the explosion-proof shell (1), and the transposition component penetrates through the explosion-proof shell (1) and comprises a knob part (206) located outside the explosion-proof shell (1) and a plectrum part (205) located in the explosion-proof shell (1). The knob part (206) and the plectrum part (205) are connected through a rotating shaft (203), so that the plectrum part (205) can rotate along with the rotation of the knob part (206), and when the knob part (206) rotates to a first position, the plectrum part (205) is in contact with the touch switch (3), and the touch switch (3) is switched from a first state to a second state. The device is applied to the explosion-proof shell, and is simple in structure, convenient to install and reliable to operate.
Owner:北京瑞赛长城航空测控技术有限公司 +2
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