160results about How to "Uniform injection" patented technology

A light guide plate, comprising a light exiting surface and a light entering end, has a shape in which its thickness perpendicular to the light exiting surface increases gradually as it is away from the light entering end and has scattering particles scattered therein. A light guide plate assembly comprises this guide plate, and a prism sheet in which a plurality of prisms are arranged in parallel with the apex angles of the prisms arranged facing the light exiting surface. A surface illuminating device comprises a light guide plate or a light guide plate assembly, and a liquid crystal display device comprises the surface illuminating device. The scattering particles scatter light entering at the light entering end and propagating through the inside and satisfy the following expression (1) and (2), and the apex angles of the prisms of the prism sheet satisfy the following expressions (3) and (4). (F is scattered sectional area, NP is particle density, LG is length of guide plate along incident direction, KC is correction coefficient, phi is apex angle of symmetric prism, and theta1 and theta2 are two apex angles divided by perpendicular of non-symmetric prism.) 1.1<=FNPLGKC<=8.2 ---(1) 0.005<=KC<=0.1 ---(2) 55 DEG<=theta<=80 DEG ---(3) 0 DEG<= theta1<= 15 DEG and 30 DEG<= theta2<= 45 DEG ---(4).

The invention relates to a method for detecting the content of trace elements in cheese, which comprises the following steps of: 1) weighing a cheese sample and drying the sample for completely evaporating the water in the sample, then weighing the sample after drying and utilizing the weight difference of the sample before and after the drying to calculate the water content in the sample, and then taking the dried sample for being grinded and homogenized, adding acid for dissolving the dried sample, and adding suspension stabilizer for even mixing and stable dissolving, thereby obtaining solution to be detected; and 2) utilizing inductive coupling plasma emission spectroscopy or atomic absorption spectrometry for detecting the content of trace elements in the solution to be detected. By adding the suspension stabilizer, the solution is suspended stably, thereby achieving the purpose of leading the solution to be homogeneous. The detection method is simple, rapid and accurate, and has high-sensitivity.

The invention discloses a method for preparing fluorescent powder colloid. The method comprises the following processing steps: 1) preheating an epoxy resin A agent for 1 to 1.5 hours at the temperature of between 55 and 65 DEG C; 2) putting fluorescent powder, the preheated epoxy resin A agent and a curing agent B into a mixer in a mass ratio of 6-15: 100: 100, and evenly mixing the materials for 10 to 15 minutes at the stirring rate of 30 to 40rpm; and 3) vacuumizing the mixture for 5 to 10 minutes at the temperature of between 75 and 85 DEG C to remove bubbles in the mixture so as to obtain a finished product. The fluorescent powder, the epoxy resin A agent and the curing agent B are evenly mixed to prepare the fluorescent powder colloid so that the fluorescent powder is evenly dispersed in the fluorescent powder colloid; the fluorescent powder colloid applied to a product can remarkably improve the luminous quality, has even rays, good consistency and high excitation efficiency, enables a whole light-emitting diode to emit light in 360 degrees, and has no ray loss.

The invention discloses a method for light uniform emitting for an indicating lamp, an indicating lamp device and a television, relating to the technical field of indicating illumination, and being invented for enhancing the uniformity of emitted light of the indicating lamp. The method for light uniform emitting of the indicating lamp comprises the following steps: a light source emits lights; the lights emitted by the light source are scattered to form uniform lights; and the uniform lights are emitted from a light outlet of the indicating lamp to cause the lights of the indicating lamp to be uniformly emitted. The indicating lamp device comprises a shell, wherein the light source is fixedly arranged on the shell, a light guide body is arranged inside the shell, the light incident planeof the light guide body is arranged just opposite to the light source, and the light outlet is arranged on the shell just opposite to the light exist plane of the light guide body. The television comprises a television front shell, and the indicating lamp device is arranged on the inner wall of the television front shell. The indicating lamp device can be used for an indicating state, and promotes the appearance of a product.

A new and improved combustion-powered fastener-driving tool utilizes a new and improved single component in-take/exhaust valve member which integrally defines both the intake and exhaust valves thereon. The intake/exhaust valve member is axially movable within the combustion chamber, and operatively cooperates with wall structure of the combustion chamber. When the intake/exhaust valve member is disposed, for example, at a first upper position, both the intake and exhaust ports defined within the wall structure of the combustion chamber are closed so as to permit the ignition and combustion phases of the tool-firing cycle to proceed, whereas, conversely, when the intake/exhaust valve member is disposed, for example, at a second lower position, both the intake and exhaust ports within the combustion chamber are open so as to permit incoming air to scavenge combustion exhaust products and to subsequently mix with injected fuel in preparation for the commencement of another tool-firing cycle.

A superluminescent diode according the present invention employs a unoform AlGaInAs quantum well on an InP substrate, emitting in a range of 1100 to 1800 nm. The favorable conduction band: valence band offset ratio of this material system enables superluminescent diodes which simultaneously provide high power and large optical bandwidth. A recent reduction to practice of the present invention simultaneously demonstrates output power exceeding 100 mW and bandwidth exceeding 100 nm. A preferred embodiment of this invention uses multiple uniform AlGaInAs quantum wells with two confined quantum states and energetic separation in a range of 100-130 nm. An alternate preferred embodiment uses non-uniform wells, with each well having two confined quantum states. The present invention is particularly useful in time domain and spectral domain optical coherence tomography systems, providing increased resolution and tissue penetration for in-vivo imaging.

The invention discloses a valve element injection mold. The valve element injection mold comprises a cover plate (1), an upper mold fixing plate (2), an upper mold plate (3), a lower mold plate (4), a mold leg (5), a spout (17) fixed to the cover plate (1), and a valve element (7), wherein a runner is arranged below the spout (17); the upper mold fixing plate (2) is fixed to the lower surface of the cover plate (1); the lower mold plate (4) is fixed to the upper surface of the mold leg (5); the upper mold plate (3) is located between the upper mold fixing plate (2) and the lower mold plate (4); a first protrusion (9), a second protrusion (10) and a third protrusion (11) are arranged on the outer side face of the valve element (7) in the axis direction of the valve element (7) in sequence from top to bottom; and annular grooves are formed in the outer side faces of the first protrusion (9), the second protrusion (10) and the third protrusion (11). The valve element injection mold is low in cost, high in precision, high in production speed, capable of achieving batch production and good in quality.

The invention discloses an automobile grille machining mold which comprises a machine frame. An upper mold base is arranged at the upper end inside the machine frame. A fixed forming mold is arranged on the upper mold base. A lower mold base is arranged at the lower end of the machine frame. A movable forming mold mutually matched with the fixed forming mold is arranged on the lower mold base. A grille cavity is formed between the movable forming mold and the fixed forming mold. A jacking air cylinder is arranged at the lower end of the machine frame. A piston rod of the jacking air cylinder penetrates through the machine frame and the lower mold base and is connected with the movable forming mold. Injection molding channels are symmetrically arranged in the portions, at the upper ends of the two sides of the grille cavity, inside the fixed forming mold. The injection molding channels are connected with an injection molding device. A plurality of sintered metal block storage grooves are evenly formed in the portion, at the upper end of the grille cavity, of the fixed forming mold. Sintered metal blocks are embedded in the sintered metal block storage grooves. A main exhaust channel is arranged at the upper end of the fixed forming mold in a penetrating mode.

The invention provides a light processing device, a vehicle lamp with the light processing device and a vehicle provided with the vehicle lamp. The light processing device comprises a body, a light entering face and a light outgoing face, wherein the light entering face and the light outgoing face are arranged on the body. The body comprises a light diffusion part, a light collimation part and a light reflecting part, wherein the light diffusion part is used for diffusing light entering the light diffusion part through the light entering face, and the light entering face is arranged on the light diffusion part; the light collimation part is arranged on a transmission route of the diffused light and used for collimating the diffused light; the light reflecting part comprises a light reflecting face and a light outgoing part fixedly connected with the light reflecting face, an angle is formed between the collimated light and the light outgoing part, and the collimated light is transmitted by the light outgoing part and emitted out through the light outgoing face after being reflected by the light reflecting face. According to the light processing device, the vehicle lamp and the vehicle, a light face of the light is expanded through the light diffusion part, the emitted-out light is more even through the collimation processing of the collimation part and the processing of the light reflecting part, and the light outgoing effect is improved.

The invention discloses an adjustable type injection mold convenient for formation. The middle part of a movable plate is equidistantly provided with tapered holes; one end of the movable plate is fixedly connected with an upper inclined block; the end, far away from the upper inclined block, of the middle part of the movable plate is fixedly connected with a reset spring; a lower inclined block is installed at a position on one side of the upper inclined block and inside a movable groove; the bottom end of the lower inclined block is connected with a top block; an embedded block is fixedly installed at the middle part of the bottom end of an upper mold base; and the middle part of the embedded block is equidistantly provided with second discharging holes. The adjustable type injection mold disclosed by the inventio0n is scientific and reasonable in structure and safe and convenient in use; by cooperative use of first discharging holes and the second discharging holes, raw materials are injected more uniformly; uneven injection easily causes generation of air bubbles in an injection-molded part to affect normal use of the part; the percent of pass of processing of the part is increased; meanwhile by cooperative use of the movable plate and the reset spring, remaining materials for injection molding are cut off by the movable; the length of the remaining materials for the injection-molded part is shortened; and raw materials are saved.

The multi-point pouring mechanism of the plastic barrel mold includes an upper template and a lower template. The upper template is connected to the fixed mold cavity. The movable template is installed on the movable template, and the movable mold core is installed on the movable template. The mold cavity is formed between the movable mold core, the movable template and the fixed mold cavity. The channel is connected to the main channel, and each branch channel is made with pouring points, and each pouring point is connected to the mold cavity. In this scheme, the pouring point of the mold runner is placed in the middle of the barrel, so that the molten plastic is evenly injected into the plastic raw material from the middle of the product, so that it can complete the injection molding better, faster and more uniformly during the molding process. Molding makes the product look beautiful, reduces the scrap rate of injection molding products, and overcomes the restriction that the barrel of the existing product is too high to be injection molded.

The invention provides a light guide plate component and a backlight device. The light guide plate component is spliced by two light guide plates, light sent by the light source of the first light guide plate is uniformly ejected by a screen dot and a reflecting film which are arranged on the area with stronger received light at the bottom surface of the first light guide plate irradiated by the light source; and a total reflecting film arranged on the light ejecting surface area of the second light guide plate corresponding to the area with stronger received light of the second light guide plate irradiated by the light source and the area with stronger received light at the bottom surface totally reflects the light sent by the light source of the second light guide plate to the area with weaker received light at the bottom surface of the second light guide plate irradiated by the light source, and the screen dot and the reflecting film which are arranged at the area with weaker received light at the bottom surface of the second light guide plate irradiated by the light source uniformly ejects the light at the area with weaker received light at the bottom surface of the second light guide plate irradiated by the light source so as to compensate the brightness of the middle area of the light ray ejected by the first light guide plate and meet the requirement of a large-size LCD TV on the backlight.

The invention relates to a strip lamp device of a light emitting diode, which comprises a light emitting unit and a strip lamp. The strip lamp comprises a luminous section, wherein the radial sectionof the luminous section is distinguished by a basal plate, and the luminous section faces to the light emitting diode and is provided with at least one diffused light part and at least one light gathering part formed between the adjacent diffused light parts; the luminous section is a continuous curve section, wherein the central curvature of the continuous curve section is larger, and the curvature of both sides of the continuous curve section is smaller. By arranging the diffused light parts on a luminous area formed by the light emitting diode correspondingly and arranging the light gathering parts on a faint light area formed by the light emitting diode correspondingly, a brightness difference caused by the luminous area and the faint light area is lowered, light rays can be uniform, light is refracted out by more refraction angles, and the entire luminescence intensity can be enhanced, so that the effect of improving glare effectively can be achieved.

The invention discloses an injection mold. The injection mold is characterized in that a feeding hopper of a raw material tank is internally provided with a round turning plate, the round turning plate is fixedly connected with an output shaft of a turning plate motor, a first fixing frame is fixedly connected to the side wall of the feeding hopper, an electric telescopic rod is fixed to the firstfixing frame through a plurality of supporting feet, a rod body of the electric telescopic rod is fixedly connected with a push block, the push block is provided with a hollow cavity, one side of thehollow cavity is in communication with a drainage pipe through a water inlet hose with length allowance, the other side of the hollow cavity is in communication with the drainage pipe through a wateroutlet hose with length allowance, and the communication point of the water inlet hose and the drainage pipe is located in front of the communication point of the water outlet hose and the drainage pipe; the water inlet hose is provided with a first one-way valve pointing to the hollow cavity, the water outlet hose is provided with a second one-way valve pointing to the drainage pipe, a second fixing frame is further fixedly connected to the side wall of the feeding hopper, an exhaust fan is fixedly connected to the second fixing frame, an inlet pipe of the exhaust fan communicates with the upper end of the feeding hopper, a limiting bolt is screwed into the feeding hopper on the opposite side of the push block, and when the round turning plate is located at the horizontal position, the right side of the round turning plate makes contact with the bottom end of the push block and the left side of the round turning plate makes contact with the bottom end of the limiting bolt.

The invention provides a laser peak power testing method and device, and the method comprises the steps: obtaining a pulse laser signal of a laser; converting the pulse laser signal into a first voltage signal; periodically acquiring the first voltage signal, and calculating an optical power value according to a preset calibration coefficient and the first voltage signal, and the preset calibration coefficient being a parameter representing a corresponding relationship between the voltage signal and the optical power value; and comparing the optical power value in the preset time period, and determining the maximum value of the optical power value as the peak power of the laser. According to the method, the peak power is calculated; the first voltage signal is acquired every a period of time; compared with the method for calculating the peak power through the average optical power in the prior art, the method has the advantages that the actual waveform of the laser signal can be reflected by calculating the optical power values at different moments, so that the calculated peak power of the laser is closer to the reality.