56results about How to "Avoid outside influence" patented technology

An electrostatic actuator has high-reliability and less variation in characteristics. An electrode (12a) is formed on a substrate (1), and a plurality of partition parts (50a) are formed on the electrode. A vibration plate (19) is formed on the partition parts (50a), and is deformable by an electrostatic force generated by a voltage applied to the electrode (12a) so that an air gap (14a) is formed between the partition parts (50a) by etching a part of a sacrifice layer (14) formed between the electrode (12a) and the vibration plate (19). The partition parts (50a) are formed of remaining parts of the sacrifice layer (14) after the etching.

A sound generator (1) includes a casing (10) with at least one exhaust gas inlet (11) and at least one exhaust gas outlet (12) that is different from the at least one exhaust gas inlet (11) and at least one electro-acoustical transducer (20). The electro-acoustical transducer (20) is configured to produce sound in dependence on an electrical control signal. The electro-acoustical transducer (20) is located within the casing or directly attached to the casing. An active noise control system (9) includes the sound generator (1). A vehicle (8) with an internal combustion engine (6) includes the active noise control system (9).

A flexible display device is discussed. The flexible display device according to an embodiment includes an insulating and flexible substrate on which an adhesive layer is formed, a support layer adhered to the substrate via the adhesive layer, a cell array formed above the support layer, defining a plurality of pixel regions, and including a ground line connected to a ground voltage source of an external circuit, a light emitting array including a plurality of light emitting structures formed on the cell array, a sealing layer formed on the cell array, and a buffer layer, a shielding layer, and a bottom insulating layer formed between the support layer and the cell array. The light emitting array emits light toward the sealing layer, and the ground line is connected to the shielding layer through a contact hole to partially expose the shielding layer.

The invention discloses an electromagnetic-sucking sealed type smoke-inversion-preventing extractor hood. The electromagnetic-sucking sealed type smoke-inversion-preventing extractor hood comprises an air blower and a box body, and an air exhaust outlet and two semi-non-return air plates arranged on the box body, wherein the two semi-non-return air plates are pivoted with the air exhaust outlet. The electromagnetic-sucking sealed type smoke-inversion-preventing extractor hood further comprises a sealing plate capable of being folded and bent, a magnet and an electromagnet, wherein a counter bore is formed in the air exhaust outlet; pivotal bases at the two ends of a diameter line are arranged in the counter bore; two half-axle holes are formed on the pivotal bases; the two ends of a supporting plate are fixedly connected with the inner wall of the air exhaust outlet, respectively; the sealing plate capable of being folded and bent is fixedly connected with the two semi-non-return air plates; the N magnet is fixed on the semi-non-return air plates; the electromagnet is fixed on a magnet base; rotary shafts on the semi-non-return air plates are embedded with rotary shaft slots; the edge of the sealing plate capable of being folded and bent is sealed with a bottom plate of the counter bore in a matched manner. The N magnet and the electromagnet are oppositely arranged, so that the sealing plate capable of being folded and bent is pressed by the semi-non-return air plates due to magnetic-sucking effect; the condition that the semi-non-return air plates leave the bottom plate of the counter bore to generate smoke inversion due to external influence can be effectively prevented.

The invention discloses a laser welding gas shielding device. The laser welding gas shielding device comprises a walking portion arranged along a welding gap, wherein the walking portion comprises a first walking vehicle and a second walking vehicle which are located on the two sides of the welding gap and can walk along the welding gap, and one end of the first walking vehicle and one end of thesecond walking vehicle are jointly provided with a wire feeding nozzle portion for feeding welding wires to the welding position in a supporting mode. The laser welding gas shielding device further comprises a lateral gas curtain portion and a longitudinal gas pipe portion, wherein the lateral gas curtain portion is movably arranged on the first walking vehicle and the second walking vehicle in asupporting mode and can blow gas to the welding gap from the two sides of the welding gap, and the longitudinal gas pipe portion is movably arranged at the other end of the first walking vehicle and the other end of the second walking vehicle in a supporting mode and can blow gas to the welding position in the vertical plane where the welding gap is located. According to the gas shielding device,gas can be blown to the welding position from the lateral direction and the longitudinal direction, therefore, the welding position and the positions in front of and behind the welding position can beshielded, and the welding effect of laser welding can be improved.

The invention discloses a glove box which comprises a box body, a heating device, a drive device, a workpiece putting device and a control device; the box body is internally provided with a sealed cavity; the side wall of the box body is provided with a cabin door used for taking and putting a workpiece, an air hole used for extracting or injecting air and a plurality of gloves through which an arm extends into the sealed cavity; the air hole is connected with an external device; the heating device is internally provided with a heating cavity and is arranged on the top of the box body; the heating cavity is communicated with the sealed cavity; the drive device is arranged in the box body; the workpiece putting device can be lifted up from the sealed cavity to the interior of the heating cavity under the driven of the drive device; and the control device is connected with the external device, the heating device and the drive device. The glove box can perform heating treatment and manualoperation on the workpiece in one sealed space.

The invention relates to a camera, and provides a thermal isolation infrared camera lens with simple structure, low cost, high imaging quality and good sealing performance of the infrared camera, including a transparent cover shell, a transparent cover plate, an infrared lamp board and a lens. Including a heat shield, the transparent cover is sealed with the transparent cover shell, the infrared lamp board is arranged between the transparent cover shell and the lens, and one end of the lens passes through the infrared lamp board and is installed in the transparent cover. In front of the board, the other end of the lens is connected with a heat shield, and the heat shield is provided with a through hole for connecting the lens with the camera body.

The invention relates to a drive device for a windshield wiper device for moving an output shaft (32), having an input shaft (12) which can be driven through a motor (10) and which is connected to a linear motion element (20) in a rotationally fixed manner, wherein the linear motion element (20) is connected to the output shaft (32) through exactly one coupler (24) and exactly one rocker (28), wherein the coupler (24) is supported between the linear motion element (20) and the rocker (28) in an articulated manner and the rocker (28) is connected to the output shaft (32) in a rotationally fixed manner. In said manner, large forces can be transmitted using self-locking in a small design.

The invention belongs to the field of semiconductors, in particular to a laser drilling and cutting system for semiconductor materials, aimed at the fact that the waste spatter generated by the existing cutting affects the accuracy of the infrared distance measuring sensor, and it is inconvenient to use the X / Y axis to perform the drilling operation Problem, the following solution is now proposed, which includes a base, the upper side wall of the base is fixedly connected with a mounting seat, the mounting seat is a hollow structure, the inner wall of the mounting seat is fixedly connected with a stepping motor, and the The inner wall is rotatably connected with a ball screw that matches the output shaft of the stepping motor. The upper sliding sleeve of the ball screw is provided with a sliding block, and the upper side wall of the sliding block is fixedly connected with a light barrier. The sliding rods are fixedly connected between the side inner walls, and the measurement of the light baffle by the infrared distance measuring sensor is protected by the mounting seat, reducing the influence of the outside world, improving the accuracy of distance measurement, and the worktable is rotated through the cooperation of the worm and worm gear to complete quickly. Punch cutting.

The invention discloses a grape-picking wrapping device, relates to the technical field of packaging, and solves the problems that the existing grape-picking wrapping operation is usually performed manually, the operation efficiency is low, and the labor cost becomes high. A wrapping device for grapes after picking, comprising a bottom support frame, a battery pack is installed on the lower end surface of the bottom support frame, and two side support feet are installed on the upper end surface of the bottom support frame, one of the side A transmission mechanism is installed on one side of the supporting footboard, and the transmission mechanism includes a transmission motor, a connecting bar, a side baffle, a driving shaft, a fixed turret, a guide roller, an elastic adjustment plate, a driven shaft, a roller, a transmission belt, Place the plate and the protective cover, and one end of the driving shaft is equipped with a drive motor. By wrapping the picked grapes, the invention is convenient to protect the grapes, improves the quality of the grapes, improves the working efficiency and reduces the production cost.