383 results about "Device Plate" patented technology

A piezoelectric micro speaker and a method of manufacturing the same are provided. The piezoelectric micro speaker includes a device plate, a front plate bonded on a front surface of the device plate, and a rear plate bonded on a rear surface of the device plate. The device plate includes a diaphragm, a piezoelectric actuator that vibrates the diaphragm, and a front cavity disposed in front of the diaphragm. The front plate includes a radiation hole connected to the front cavity. The rear plate includes a rear cavity formed in a surface of the rear plate facing the piezoelectric actuator, and a bent hole connected to the rear cavity. A sound absorption layer is formed on an inner surface of the rear cavity and absorbs sound radiated backward from the diaphragm so as to suppress the sound from being reflected on the rear plate.

A electronic device is mounted on a circumferential surface of an inner liner by tucking first, second and third edges of a device plate between a first holding plane of a first guide tab and a surface of a holder plate, between a second holding plane of a second guide tab and the surface of the holder plate, and between a third holding plane of a third guide tab and the surface of the holder plate. The electronic device can be stably-mounted over the long term without difficulty and can be removed from the circumferential surface of the inner liner without difficulty.

A protective cover for an electrical device mounting structure that includes a generally rectangular plate defined by a perimetrical edge and having a front side, a back side, a right side, a left side, a top and a bottom. The protective cover can also include one or more tabs extending from the back side for engaging the edge of the electrical device mounting structure and one or more openings in the plate for receiving a fastener for affixing the protective cover to the electrical device mounting structure.

A plate provides clearance between a camera and a quick-release receiver securing the camera to a support.

The invention discloses a cleaning device for a garbage can with the function of garbage classification. The cleaning device comprises a vehicle body, a vertical device plate is fixedly connected to the front end of the vehicle body, a first driving motor is installed at the upper end of the device plate, and a strip-shaped cavity is formed in the upper half part of the device plate; a lifting mechanism connected with the first driving motor is arranged in the strip-shaped cavity, an installation plate connected with the lifting mechanism is arranged at the front side of the device plate, anda second driving motor is installed at the upper end of the installation plate; an installation cavity and a hollow cavity are formed in the installation plate, a reciprocating mechanism connected with the second driving motor is arranged in the installation plate, a water pumping mechanism matched with the reciprocating mechanism is arranged in the hollow cavity, the device plate is connected tothe lower end of the installation plate through a fixed rod, and a hollow shaft is rotatably connected to the device plate in a way of penetration. The cleaning device is reasonable in structure, theinner and outer walls of the garbage can can be automatically brushed, the brushing speed is high, and the effect is good.

A cover for an electrical box having a face plate, an elongate slot in the face plate, a lid support structure and a lid. The lid fits on the front of the face plate and over the opening and is pivotably movable between an open position, which allows access to the box interior, and a closed position, which prevents access to the box interior. When in the open position, the lid is slidably receivable by the slot and is stored in the lid support structure that extends from the back of the cover.

The invention discloses a carbon fiber multi-rotor unmanned aircraft fuselage and a method for manufacturing the same, and belongs to the technical field of unmanned aircraft devices. The fuselage comprises a center compartment, rotor arms and a motor compartment, wherein the center compartment comprises a center compartment upper cover and a center compartment body which are fixedly connected, a device plate is fixed in the middle of the center compartment body, one end of each rotor arm is connected with the motor compartment, the other end of the rotor arm extends between the device plate and a bottom plate in the center compartment body, and the ends of the rotor arms are connected with the device plate and the bottom plate by connection pieces. The structure of the fuselage is simple, the design scheme is reasonable and smart, the least manufacturing raw materials are used to ensure lightest quality of the fuselage, and enough structure strength and good using performance of the fuselage can be guaranteed.

The invention discloses an electric methanol hydrogen transporting tool. The tool comprises a methanol-to-hydrogen system, a hydrogen generating system and an electric engine, wherein the methanol-to-hydrogen system, the hydrogen generating system and the electric engine are connected with each other in sequence. The methanol-to-hydrogen system is used for preparing hydrogen through methanol steam reforming; the hydrogen passes through a membrane separation device plated with a palladium silver alloy to obtain a high-purity hydrogen; the obtained hydrogen is used for generating power through the hydrogen generating system; and the generated electric power is provided to the electric engine to work. The hydrogen generating system comprises a fuell cell, wherein the fuell cell comprises a plurality of sub fuel cell modules; and each sub fuel cell module comprises at least one super-capacitor. According to the electric methanol hydrogen transporting tool disclosed by the invention, the methanol can be used as energy for the transporting tool so that problems of energy crisis and vehicle emission are solved. The electric methanol hydrogen transporting tool disclosed by the invention is advantaged in that the volume of a hydrogen preparation device is small; the prepared hydrogen is rapid, stable and highly purified because the hydrogen is purified by using a special catalyst formula and a palladium membrane; and stable input energy can be provided to the transporting tool.

The invention relates to a piezoelectric type fluid power generator, and belongs to the technical field of piezoelectric power generation. A big cylinder is arranged on the left side of a main body partition plate while two ear plates are arranged on the right side; the end parts of two ear plates are connected by a side plate; a left lug boss and a right lug boss are arranged on the partition plate and the side plate respectively; an end cover plate equipped with a small cylinder is mounted on the end part of the big cylinder; a vibration transmission device plate body is placed in a cavity; a pin shaft extends out of the cavity through the partition plate; a connecting plate is mounted on the end part of the pin shaft; the pin shaft is sleeved with a spring; the two ends of the spring prop against the plate body and the partition plate respectively; piezoelectric vibrators are formed by metal substrates and piezoelectric crystal plates in a gluing manner; and the two ends of the metal substrates of the two piezoelectric vibrators are mounted on the left lug boss and the right lug boss respectively while the middle parts of the metal substrates are mounted on the connecting plate. The piezoelectric type fluid power generator has the characteristics and the advantages as follows: the flat and straight piezoelectric vibrator is mounted with a bending structure to form the power generator which can perform stretching vibration in the length direction of the pipeline; the structure and the process are simple, and the cost is low; the piezoelectric crystal plates only bear the pressure stress within a controllable range, so that high reliability is achieved; and in addition, the electric energy production can be increased easily by increasing the number and prolonging the length of the piezoelectric vibrators.

A device plate for mounting a communications device to a raceway defining a wireway, the device plate including a base having first and second opposing sides and defining an opening therethrough for providing access to the wireway when the device plate is attached to the raceway. The device plate being attachable to the raceway such that the first side of the base faces the wireway. The device plate includes a coupler support extending generally perpendicular from the first side of the base adjacent the opening therein such that the coupler support extends into the wireway when the base is attached to the raceway. The coupler support adapted for mounting a coupler thereto. The device plate further including means for attaching the base to the raceway and means for mounting a communications device to the second side of the base.

A self power generation green electric power ice cream machine adopts force pursuing perpetual motion power principles of providing force to each other step by step and circulation complementary energy perpetual motion to achieve perpetual motion movement operation. The ice cream machine need not be connected with power, has zero release and is capable of producing permanent mechanical energy and electricity. The perfect self power generation green electric power ice cream machine has never a power failure and is capable of transmission of electricity to other machinery and appliance. The ice cream machine is composed of force pursuing perpetual motion machinery space, a force pursuing perpetual motion power system, a decelerating control power machine, an engine, a motor, a super capacity storage battery and a fan. Force pursuing perpetual motion machinery space is composed of perpetual motion device inner sleeve, a perpetual motion machine body casing front plate, a flange plate, a perpetual motion machine body casing rear cover, force pursuing perpetual motion connecting shaft, a thermostability axial rare earth strong magnet, a step by step magnetic direction power and a plurality of groups of multistep power supply device plate, a radial direction permanent magnetic high frequency magnet, a air exchange ventilation hood and the whole machine base fixing support. The ice cream machine has inexhaustible new energy.

The invention discloses a methanol hydrogen electric water transporting machine. The electric water transporting machine comprises a methanol-used hydrogen production system, a hydrogen generating system and a dynamotor. The methanol-used hydrogen production system, the hydrogen generating system and the dynamotor are sequentially connected. Methanol steam is utilized by the methanol-used hydrogen production system for reforming and producing hydrogen, the hydrogen passes through a membrane separating device plated with palladium silver alloy, high-purity hydrogen is obtained, generating is achieved by the obtained hydrogen through the hydrogen generating system, and generated electricity is provided for the dynamotor for operating. According to the methanol hydrogen electric water transporting machine, methanol can be utilized to serve as energy of the water transporting machine, the energy crisis is resolved, and the vehicle emission is reduced. A hydrogen production device is small in size, purification is carried out by utilizing a special catalyst formula and a palladium membrane, the prepared hydrogen is rapid, stable and high in purity, and the stable input energy can be provided for the water transporting machine.

The invention discloses an interval adjustable farmland irrigation device with a built-in weeding function. The device comprises base plates, device plates, weed rolling thorns, cross connection beamcolumns and water pipes. Idler wheels are arranged on the lower end surfaces of the base plates, the device plates are located above the base plates, and the weed rolling thorns are fixed on connection rods; sliding rail plates are mounted on the upper end surfaces of the device plates, the base plates are connected with adjustment cylinders through support inclined arms, and the cross connectionbeam columns are connected with the adjustment cylinders through adjustment columns; the water pipes are located below the cross connection beam columns, water spray nozzles are mounted on the water pipes, and the water pipes are mutually connected through a flexible connection pipe. The interval adjustable farmland irrigation device with the built-in weeding function can conveniently adjust the horizontal interval of the device, can reasonably change the irrigation interval and height according to the actual condition of the farmland, meanwhile conveniently removes weeds in the farmland, andis more convenient to use.

The invention discloses a carbon dioxide cycled water-hydrogen-powered hot-air balloon. The cycled water-hydrogen-powered hot-air balloon comprises a methanol hydrogen production system, a hydrogen gas power generating system, a balloon, a hanging basket, a burner or/and an electric heater, wherein the methanol hydrogen production system is connected with the hydrogen gas power generating system, and the hydrogen gas power generating system is connected with the methanol preparing equipment; the balloon is connected with the hanging basket, and gas is subjected to heated expansion through burner combustion or/and electric-heater heating; the methanol hydrogen production system prepares hydrogen gas by using methanol vapor reforming, the hydrogen gas passes through a membrane separation device plated with palladium-silver alloy so as to obtain high-purity hydrogen gas, and the obtained hydrogen gas is used for generating power by the hydrogen gas power generating system. According to the carbon dioxide cycled water-hydrogen-powered hot-air balloon provided by the invention, methanol required by the power generating system can be self-prepared, and the emission of carbon dioxide is avoided.

The invention discloses a vacuum suction cup manipulator plate carrying device. The vacuum suction cup manipulator plate carrying device comprises a feeding platform, a mechanical carrying device, a working platform and a laser cutting machine. The mechanical carrying device comprises a mechanical frame body, vacuum suction cup manipulators, x-axis servo motors, x-axis speed reducers, z-axis servo motors, z-axis speed reducers, vacuum electromagnetic valves, a vacuum pump and vacuum pressure digital displays. One end of the mechanical frame body is located over the feeding platform, and the other end of the mechanical frame body is located over the working platform. The x-axis servo motors are connected with the x-axis speed reducers. The z-axis servo motors are connected with the z-axis speed reducers. A vacuum energy accumulator produces vacuum through the vacuum pump and stores vacuum energy. The vacuum electromagnetic valves are connected with the vacuum energy accumulator and control turn-on/off conducted by the vacuum energy accumulator over the vacuum suction cup manipulators. The vacuum pressure digital displays detect the vacuum degree of the surfaces of the vacuum suction cup manipulators. According to the vacuum suction cup manipulator plate carrying device, a plate is grabbed from the feeding platform onto the working platform through the manipulators, the labor cost is reduced, plate positioning is precise, and the working efficiency is improved.

The invention discloses an electronic device mounting plate for vessels. The mounting plate comprises a case body (1), a device guide rail (2), cable slots (3), a cable coaming (4) and a device plate (5), wherein the cable slots (3) are distributed on the upper part and two sides of the device plate (5); and a cable lead wire hole (6) is preserved at the bottom of the device plate (5). The electronic device mounting plate is mainly suitable for arrangement and fixed mounting of electronic components and parts and cables in various control consoles and floor section boxes on the vessels, and has the characteristics of space conservation, time and labor saving, cost saving, convenience for binding and arrangement of external cables.

The invention discloses a photovoltaic cell surface passivation system and a passivation method. The photovoltaic cell surface passivation system at least comprises a multifunctional PECVD device, anannealing furnace and a PEALD device, wherein the annealing furnace is located after the multifunctional PECVD process; the process chambers of the annealing furnace and the multifunctional PECVD device are matched with the same corresponding graphite boat; the graphite boat carries a silicon wafer which is integrally transferred between the annealing furnace and the multifunctional PECVD device;the multifunctional PECVD device plates the back surface of the silicon wafer with a silicon oxide film and an amorphous silicon layer and performs in-situ doping on the amorphous silicon layer, the corresponding reaction temperature is 400 to 600 DEG C, the annealing furnace heats the plated silicon wafer to more than 600 DEG C, the amorphous silicon layer is converted to a polysilicon layer andthe temperature falls to 400 to 600 DEG C; and the PECVD device plates the front surface of the silicon wafer with an aluminum oxide film and a silicon nitride film. The overall structure of the device and the existing process steps are simplified, cleaning and etching processes are saved, adverse effect on front surface plating of the silicon wafer are reduced, the operation is more convenient, and the production efficiency is improved.