Forming mold of air exhaust pipeline

The invention relates to a forming mold of an air exhaust pipeline. The forming mold comprises a mold plate, wherein a pre-formed hole device is arranged on the mold plate. By the arrangement of the pre-formed hole device, a pressing groove is formed in a position where a hole needs to be formed during production of the air exhaust pipeline, so that a through hole of the air exhaust pipeline is conveniently formed and is of a regular shape. By regulating the stroke of a cutting cylinder, an air inlet hole pressing groove of the air exhaust pipeline can be conveniently connected with the air exhaust pipeline, and an air inlet hole is conveniently opened.

LED device

The invention relates to an LED device, which comprises a base, two brackets, a baseplate, a Zener diode, two line frames, two first leads and an LED wafer. The base is provided with a recess part and two through holes communicating with the recess part. The equal brackets go through the through holes and expose out of the surrounding of the base. The baseplate is arranged in the recess part and provided with an upper surface, a lower surface and a groove, and the lower surface is in contact with the bracket. The Zener diode is arranged in the groove. The equal line frames are arranged on the upper surface of the baseplate and located at both sides of the groove. The equal leads are connected between the line frames and the brackets and between the Zener diode and the brackets. The LED wafer is connected with the equal line frames and located on an upper part of the groove. In the LED device, the groove is dug and arranged on a silicon baseplate for burying and arranging the Zener diode ...

Method and structure for packaging LED

Dust-suppression low-resilience jet ultra-high performance concrete as well as preparation method and construction method thereof

The invention provides dust-suppression low-resilience jet ultra-high-performance concrete as well as a preparation method and a construction method thereof. The dust-suppression low-resilience jet ultra-high-performance concrete is prepared from the following raw materials: Portland cement, fly ash floating beads, a nano mineral additive, quartz sand, functional rich-hole lightweight aggregate, conductive aggregate, steel fibers, a water reducing agent and mixing water. The purpose of pre-wetting the rich-pore lightweight aggregate by using the sodium alginate solution is to adjust the rheological property of the freshly mixed ultra-high performance concrete and reduce the rebound rate; through selection and proportioning of the raw materials, the later strength and flexural toughness of the sprayed concrete can be improved, the rebound rate is reduced, and the dust concentration of an operation environment is reduced. In the spraying construction process, voltage is applied to the two ...

Outdoor voltage transformer

The utility model belongs to the technical field of the mutual -inductor, a outdoor voltage transformer is disclosed, including voltage transformer ware body, insulating housing, insulating king -post, be provided with the fuse in the insulating king -post, insulating king -post include the insulating king -post of first insulation king -post and second, the insulating king -post of first insulation king -post, second and insulating housing between pour through epoxy as an organic whole, the outer wall of insulating king -post on the full skirt that sets up of evenly distributed and interval, the one end of full skirt with the outer wall of insulating king -post links to each other, the other end of full skirt is provided with the drainage portion that is used for guiding the rainwater, and drainage portion buckles downwards and forms the barb form, full skirt evenly distributed and interval lay on the outer wall of insulating king -post, the distance between the adjacent full skirt is ...

LED device

Reserved pipe hole prefabricating cutter

The invention relates to a reserved pipe hole prefabricating cutter. The reserved pipe hole prefabricating cutter comprises an outer sleeve, a plugging part is arranged in the outer sleeve, and a cutting canister is arranged between the outer sleeve and the plugging part. By the reserved pipe hole prefabricating cutter, a rolling groove can be arranged at position needing perforation in the process of producing an exhaust pipe, so that through hole perforation of the exhaust pipe is facilitated, and the perforated through hole is regular in shape. By adjusting travelling of the cutting canister, an air inlet rolling groove of the exhaust pipe is enabled to be connected with the exhaust pipe and perforate an air inlet conveniently.

Concrete vacuum water absorption device

The invention relates to a concrete vacuum water absorption device which comprises a vacuum tank. The vacuum tank is provided with multiple connection pipes, and at least one connection pipe is connected with a vacuum machine. When the device is used, the device is connected with a die through the connection pipes, and filter cloth does not need to be arranged in the die; by means of the arrangement of the vacuum tank, vacuum storage amount is increased, the technical problems that if the vacuum machine works for a long time, the vacuum degree greatly fluctuates and water absorbing is accelerated are solved, water absorbing time is shortened, production efficiency is improved, production cost is lowered, and sewage, impurities, cement thinner and the like are sucked into the vacuum tank through the connection pipes; filtering is achieved through a filtering device, the sewage, the impurities, the cement thinner and the like can not enter the vacuum machine, and the vacuum machine can not ...

AUTOMATING ON-LINE ADVERTISEMENT PLACEMENT OPTIMIZATION

A method and system for generating a price landscape for an advertiser for bids placed by the advertiser for advertisement space is provided. A price landscape system generates a price landscape based on information provided by an advertisement placement service that may include overall price estimation data and advertiser-specific performance data. The price landscape system generates price landscape data for an advertiser that combines the overall price estimation data and the advertiser-specific performance data to provide a more accurate assessment of the advertiser's expected performance than can be determined from the overall price estimation data or the advertiser-specific performance data alone.

RTK external radio station

The utility model relates to the technical field of test equipment, and discloses an RTK external radio station which has good heat dissipation performance and sun-proof and waterproof functions, improves the service life of the radio station and improves the quality of the radio station. The technical scheme adopted by the utility model is as follows: the technical scheme is as follows: The radiostation comprises a radio station main body, a plurality of heat dissipation spokes arranged on the back surface of the radio station main body, and hooks adaptively arranged at the rear parts of theheat dissipation spokes, a hook strip extending upwards obliquely is arranged at the lower end of the front part of the hook; the heat dissipation spokes located in the middle are provided with hookgrooves matched with the hook strips. The upper portion of the radio station body is arranged to be of a slope structure which is obliquely arranged upwards from front to back. The radio station bodyis provided ...

AD SYSTEM THAT INTERACTS WITH PLURAL AD ENGINES

An ad system allows a user to create and manage an ad campaign that is administered by two or more ad engines. The ad system interacts with the ad engines using a channel abstraction interface module. For each ad engine, the channel abstraction interface module translates ad information from an engine-agnostic format that is associated with the ad system to an engine-specific format that is associated with the ad engine.

Method and structure for packaging LED

The invention discloses a sealing method and structure for light emitting diode, which is characterized in that the sealing method uses laser to cut the substrate of a light emitting diode down to reduce the thickness of the light emitting diode chip in order to make a light emitting diode of smaller volume and thickness.

Side projection type LED backlight module

The invention discloses a side emitting type LED backlight module, which comprises a base, a heat conduction block, a circuit board and a side emitting luminous unit, wherein the heat conduction block is arranged on the base; the circuit board is contacted with the heat conduction block, and the module is provided with a plurality of conductive circuits used for conducting electric energy. The side emitting luminous unit comprises a pedestal, a heat radiating substrate, a reflecting concave cup, a luminous chip and a plurality of power pins. The radiating substrate is clamped in the pedestal and provides a crystal fixing surface which fixes the luminous chip in the reflection concave cup, and is contacted with the heat conduction block by an outer bonding surface. The power pins are arranged outside the pedestal, extend out of the pedestal, and are connected with the conductive circuits of the circuit board respectively.

Outdoor voltage transformer

The utility model belongs to the technical field of the mutual -inductor, a outdoor voltage transformer is disclosed, including voltage transformer ware body, insulating housing, insulating king -post, be provided with the fuse in the insulating king -post, insulating king -post include the insulating king -post of first insulation king -post and second, the insulating king -post of first insulation king -post, second and insulating housing between pour through epoxy as an organic whole, the outer wall of insulating king -post on the full skirt that sets up of evenly distributed and interval, the one end of full skirt with the outer wall of insulating king -post links to each other, the other end of full skirt is provided with the drainage portion that is used for guiding the rainwater, and drainage portion buckles downwards and forms the barb form, and real rain -proof design has been accomplished in the cluster parachute design of this product, designs into the overhead kick formula with ...

Light-emitting diode packaging structure

The invention provides a light-emitting diode (LED) packaging structure, which comprises a shell, an LED, a transparent assembly and an enclosed wall. The shell is provided with an upper surface, a groove formed on the upper surface, and a surrounding surface surrounding an opening of the groove; the LED is arranged on a bottom surface of the groove; the transparent assembly is arranged on the surrounding surface and seals the opening of the groove; and the enclosed wall is arranged on the upper surface of the shell and surrounds the transparent assembly.

Side projection type LED backlight module

The invention discloses a side emitting type LED backlight module, which comprises a base, a heat conduction block, a circuit board and a side emitting luminous unit, wherein the heat conduction block is arranged on the base; the circuit board is contacted with the heat conduction block, and the module is provided with a plurality of conductive circuits used for conducting electric energy. The side emitting luminous unit comprises a pedestal, a heat radiating substrate, a reflecting concave cup, a luminous chip and a plurality of power pins. The radiating substrate is clamped in the pedestal and provides a crystal fixing surface which fixes the luminous chip in the reflection concave cup, and is contacted with the heat conduction block by an outer bonding surface. The power pins are arranged outside the pedestal, extend out of the pedestal, and are connected with the conductive circuits of the circuit board respectively.

Light emitting diode packaging structure

An encapsulation structure of the light emit diode comprises an encapsulation base, a red light emit diode chip, a blue light emit diode chip, a green light emit diode chip, an encapsulation material and a yellow phosphor powder. Wherein, three light emit diode chips are arranged in the containing space of the encapsulation base and are covered and protected by the encapsulation material; and the yellow phosphor powder is evenly mixed in the encapsulation material. After the three energized chips emit different color lights, the three color lights mix with each other and produce a white light, and the glue light emitted by the light emit diode chip induces the yellow phosphor powder to emit yellow light, after that part of the blue light is also mixed with the yellow light and becomes a white light.

Encapsulation construction of light emitting diode

The invention discloses an LED package structure, wherein, an LED chip is positioned on a heat slug; a diamond powder layer is coated on the LED chip and formed on the surface of the LED chip by conformal means; a fluorescent powder layer is coated on the diamond powder layer and formed on the surface of the diamond powder layer by conformal means; a lens layer is coated on the outside of the fluorescent powder layer; and the refractive indexes of the LED chip, the diamond powder layer, the fluorescent powder layer and the lens layer are descended in order.

Quick dehydration molding device for concrete prefabricated member

The invention relates to a quick dehydration molding device for a concrete prefabricated member. The device comprises a vacuum tank and at least one buffering tank. The buffering tank is provided with multiple connection pipes communicated with the inside of the buffering tank, and at least one connection pipe is communicated with the vacuum tank. When the device is used, the device is connected with a die through the connection pipes, and filter cloth does not need to be arranged in the die; by means of the arrangement of the vacuum tank and the buffering tank, vacuum storage amount is increased, the technical problems that if a vacuum machine works for a long time, the vacuum degree greatly fluctuates and water absorbing is accelerated are solved, water absorbing time is shortened, production efficiency is improved, production cost is lowered, and sewage, impurities, cement thinner and the like are sucked into the buffering tank through the connection pipes; filtering is achieved through ...

Fixed mutual -inductor of punching

The utility model belongs to the technical field of the mutual -inductor, a fixed mutual -inductor of punching is disclosed, including voltage transformer ware body, still including the support that is used for fixed voltage transformer ware body, the support is including the annular bracket of circle and four foot stools, four foot stools with bracket integrated into one piece, four even intervals of foot stool set up and be in the outer peripheral surface of bracket, the shape of foot stool be rectangular shape, the width of foot stool does 1.5 times of bracket width are - 3 times, the thickness of foot stool with the thickness of bracket is the same, and thickness is 16 -20mm. The utility model discloses the integration is made with the installing support to the product, and the thickness of the reduction fixed bolster of maximum possible nature has reduced whole weight simultaneously, has reduced the contact between support and the product, guarantees that fix is firm, saves space the ...

Light emitting diode packaging structure

Modular antiresonance mutual -inductor

The utility model belongs to the technical field of the mutual -inductor, a modular antiresonance mutual -inductor is disclosed, single -phase voltage transformer including mounting plate, combination formula voltage transformer and an independent setting, combination formula voltage transformer is pour by three voltage transformer an organic whole and forms, combination formula voltage transformer and single -phase voltage transformer install side by side on mounting plate, wherein, primary winding wiring adopts the copper bar to draw forth, the copper bar adopts the insulated umbrella tower insulating, the clearance that keeps 30 -55mm between combination formula voltage transformer and the single -phase voltage transformer, combination formula voltage transformer and single -phase voltage transformer's middle part both sides are provided with the bar fixed bolster, the bar fixed bolster is followed combination formula voltage transformer and single -phase voltage transformer's the direction ...

Air cooling heat dissipation device of projector

The invention belongs to the technical field of heat dissipation, and relates to an air cooling heat dissipation device of a projector. The air cooling heat dissipation device comprises an isolating component and a heat exchanger refrigerating device serving as a top cover of the projector, according to the isolating component, a cold air channel and a hot air channel are formed in the space between the heat exchanger refrigerating device and a heat source in an isolated mode, an outer circulating channel and an inner circulating channel which are isolated from each other are formed in the heat exchanger refrigerating device, an outer air inlet and an outer air outlet are formed in the outer circulating channel and communicated with the external environment, an inner air inlet communicated with the cold air channel and an inner air outlet communicated with the hot air channel are formed in the inner circulating channel, an outer air draft device is arranged on the outer air inlet, and an ...

Operation mains voltage mutual -inductor

The utility model belongs to the technical field of the mutual -inductor, concretely relates to operation mains voltage mutual -inductor, be in including iron core, coiling glass fiber covered wire on the iron core, insulating sleeve, the copper binding post of setting on the insulating sleeve, copper binding post one end with the insulating sleeve links to each other, and the other end is provided with copper inserts, copper binding post and copper inserts be the integrative process shaping, two copper binding post between the distance be less than the diameter of section of insulating sleeve. Can effectively reduce through above -mentioned scheme the volume of mutual -inductor makes miniaturized voltage transformer is more convenient when the installation, thereby makes miniaturized voltage transformer's application range is wider.