48results about How to "Low design cost" patented technology

The utility model discloses a robot navigation system and a navigation method. The robot navigation system comprises a navigation network which is formed by a plurality of wireless access points, a wireless communication module which is used for transferring data and collecting the intensity sequence communicated with the wireless access points, a sensor which is used for checking that the robot meets barriers or not, and a position server which is used for storing the referenced intensity sequence and running the intricate position arithmetic, and is characterized in that the position server is connected with the wireless communication module and interacts with the navigation network. The navigation method is characterized in that the robot judges the next target position until reaches the destination by comparing the intensity sequence collected in real time with stored reference intensity sequence of the position points; when the robot meets barriers, the robot records and demarcates the intensity sequence of the position in order to avoid entering the position again, therefore achieving intellectual learning; the robot can upload the correlative information to the position server and achieve the assistant navigation position by the help of the database of the position server and the position arithmetic. The utility model is not likely to be affected by the environment and also has the advantages of low cost of maintenance.

The invention relates to an intelligent manufacturing system based on an industrial robot. The system comprises a welding delivery frame for placing workpieces, a welding finished product delivery and storage shelf, a stacking visual manipulator, a stack carrying manipulator and an automatic stack lifting device; and the stack carrying manipulator is positioned on one side of the welding delivery frame, and is corresponding to one end of the automatic stack lifting device. The system is characterized by further comprising a stack carrying robot, a welding stacking manipulator, a multi-station welding automatic tool table, a laser marking machine, an AGV automatic remote control guide car device and a central control cabinet. Compared with the prior art, the system is low in design and manufacturing costs and simple in structure, is provided with the AGV automatic remote control guide car device, has no need to lay such fixing devices as rails and bracket frames in a moving area of an AGV car in material conveying, is not limited by places, roads and space, and is high in automation degree and convenient and simple in operation.

Actuating device for an electrical connection terminal (1), wherein the electrical connection terminal comprises a contact frame (4), arranged in a housing (2) made of insulating material, with a conductor terminal connection for an electrical conductor (5), and the actuating device comprises an actuating element in the form of a pusher (21) which is integrally connected to the housing made of insulating material, and wherein the conductor terminal connection is formed on the contact frame by at least one spring element (9), the free end of which forms a clamping edge (10) which is directed toward the electrical conductor (5) and to which a clamping force is applied, and the conductor terminal connection can be opened by action of the pusher on the at least one spring element by a force being applied to the spring element by the pusher counter to the clamping force. According to the invention, the pusher consists of a pusher arm (23), wherein the pusher arm is connected with one of its ends to the housing made of insulating material, and wherein the pusher arm extends along at least a partial section of two upper surfaces (18, 20) of the housing made of insulating material which are arranged at an angle to each other.

A static material mixer is composed of one or more mixing structures with mountain-like projected parts. The cross-section of the external surface of said mixing structure is circle or polygon. Its inside has two or more mountain-like projected parts and discharge outlets, which are alternatively arranged. The mountain-like projected parts and discharge outlets between adjacent mixing structures are staggered. It can cut, mixing and move the materials and can make collision between material and the mixer or material, resulting in high mixing effect.

A position pointing device includes a resonant circuit, a resonance-characteristic control circuit for controlling characteristics of the resonant circuit in accordance with pointing-device information at timing synchronized with at least part of an electromagnetic wave that is intermittently transmitted from a tablet and for returning the pointing-device information to the tablet, a clock oscillator circuit for generating a clock signal for driving the resonance-characteristic control circuit, and clock starting means for stopping an operation of the clock oscillator circuit when a start condition is set and for starting the operation of the clock oscillator circuit when the resonant circuit generates a signal specified by the start condition. The position pointing device further includes start-condition setting means for setting the start condition in the clock starting means at timing in accordance with an operation of the resonance-characteristic control circuit.

The invention discloses a split jet aerator, which comprises the following parts: suction inlet, water nozzle, mixing tube, dispersing pipe, tail pipe and distributor, wherein the distributor connects the tail pipe; a cone with the action of deflecting the composite liquid and reducing the local resistance is set in the pipe segment with diffusing angle of tail pipe; the CFD company adopts artificial software value to optimize the design of the structure of jet aerator, which transmits the composite liquid of effluent-living sludge into water nozzle; certain vacuum is formed in the course of jet to form three-phased composite liquid of gas, liquid and solid, which enters into the dispersing pipe to form jet distributor with certain pressure to do inclined ejection to aerate oxygen and stir. The invention improves more dynamic efficiency and more oxygen utility than traditional one, which possesses larger suction quantity, higher bubble quality, evener stirring power and more energy saving.

A fan cooling device and a method of controlling a fan rotation speed are provided. The fan cooling device includes a thermo sensor, a thermo monitor unit, a processing unit, a driving unit, and a fan. The thermo monitor unit compares the sensed result from the thermo sensor with at least one threshold, and decides whether or not to send an interrupt event according to the compared result. The processing unit executes an interrupt service according to the interrupt event, and then sets and outputs a value of the fan rotation speed. The driving unit drives the fan and controls the rotation speed of the fan according to the value of the fan rotation speed. The fan sends out a wind flow to reduce the internal temperature of a computer system or a CPU.

Systems and methods for a scalable battery controller are disclosed. In one example, a circuit board coupled to a battery cell stack is designed to be configurable to monitor and balance battery cells of battery cell stacks that may vary depending on battery pack requirements. Further, the battery pack control module may configure software instructions in response to a voltage at a battery cell stack.

The present invention provides an inexpensive, simple, compact, optical relay for use primarily with scanning beam imaging systems. More specifically, it can be used as an optical interconnect between scanning mirrors and between a scanning mirror and imaging optics such as a microscope objective. The optical relay, also known as an optical telescope or coupler, consists of two eyepieces forming an afocal assembly. A beam pivoting about a stationary point in the first focal plane of the first eyepiece will be relayed through the optical system such that it pivots about a stationary point at the second focal plane of the second eyepiece. In the preferred embodiment a collimated beam pivots about the first focal point of the first eyepiece as it enters the optical relay, and exits the optical relay with the same beam diameter and scan angle (opposite sign) pivoting about the second focal point of the second eyepiece.

Disclosed is an electronic device. The electronic device may include a plurality of interfaces each of which is connected to one peripheral electronic device in a wired manner to deliver power to the connected peripheral electronic device, a power supply circuit connected to the plurality of interfaces, and a control circuit including a plurality of pins each connected to one interface to allow the power supply circuit to supply power to the plurality of interfaces. In addition, various embodiments understood from the disclosure are possible.

In a reciprocating compressor with delivery rate control the actuation device (3) for the valve unloader (2) of the suction valve (1) to be held open comprises as drive an electric motor (5), whose driven element (6) in conjunction with the non-rotating lifting element (10) of the valve unloader (2) and the rolling elements (8) arranged in between forma ball screw drive. This results in a small-dimensioned, precisely to be regulated actuation device (3) with high actuating forces and with high motion dynamic.

A method for recognizing the position of a mobile robot by comparing images has the steps of a mobile robot illuminating a shooting area to be photographed using a monochromatic lighting unit, the mobile robot photographing the position image corresponding to the shooting area and a narrow band filter passes only the light emitted by the monochromatic lighting unit with the light having same wavelength emitted from the monochromatic lighting unit, reflective or light absorbing material are randomly placed on the shooting area to increase the contrast ratio, and the mobile robot acquiring the reference image corresponding to the trajectory of the mobile robot from the known position image set, wherein the known position image set corresponds to a predetermined trajectory and the known position image set includes a plurality of reference images. A mobile robot may have monochrome lighting for illuminating a shooting area to be photographed.

An earphone comprising an earphone housing and a speaker module is provided. The speaker module is disposed inside the earphone housing. The speaker module further comprises a speaker housing and a speaker unit. The speaker housing has a sound emission opening. In addition, the speaker housing constitutes a resonant chamber. The speaker unit is disposed inside the resonant chamber.

An atomizer with adjustable air intake quantity is disclosed including: an atomizer body, having a liquid storage chamber formed therein for storing tobacco liquid; an aerosol generator, configured for aerosolizing the tobacco liquid from the liquid storage chamber to generate an aerosol; at least one air inlet, formed on the atomizer body; an air pipe, disposed inside of the atomizer body and configured for conducting the aerosol to flow along the air pipe; the air inlet being in communication with the air pipe; and an adjusting cover, connected with the atomizer body by a thread to cover the air inlet; the adjusting cover is configured for being rotated to move up and down along axial direction of the atomizer body, to adjust a clearance between an edge of the adjusting cover and the atomizer body.

The invention discloses a method for monitoring the electric arc length through electric arc voltage signals. According to the method for monitoring the electric arc length through the electric arc voltage signals, by means of real-time detection of electric arc voltage signal waveforms in the process of welding or additive manufacturing of an electric arc, an electric arc voltage time-domain signal waveform higher than an electric arc voltage threshold value is extracted, so as to obtain an electric arc voltage time-domain feature waveform, noise elimination is conducted on the electric arc voltage time-domain feature waveform through wavelet analysis, low-frequency components of the electric arc voltage time-domain feature waveform are extracted through wavelet packet analysis, an electric arc voltage signal low-frequency component feature waveform graph is drawn, the electric arc voltage signal low-frequency component feature waveform is substituted into an electric arc length mathematical model, an electric arc length change time-domain waveform in the machining process is obtained through calculation, and the electric arc length at any machining moment in the machining process can be obtained through the electric arc length change time-domain waveform. By the adoption of the method for monitoring the electric arc length through the electric arc voltage signals, offline detection and online monitoring of the electric arc length in the electric arc welding processes of TIG, MIG, MAG, PAW and the like and in the metal material electric arc additive manufacturing process can be achieved.

The invention discloses an electric automobile with liquid air as a power storage medium. The electric automobile comprises an automobile shell and an automobile driving device. An air storage pot, a pneumatic motor, an electric generator, a storage battery, a driving motor, an electric automobile control system and a residual air jetting discharge power-assisting device are arranged in the automobile shell. The air storage pot is connected with the pneumatic motor through an air flow speed control device. The pneumatic motor is connected with the electric generator. The storage battery is connected with the driving motor, and the driving motor is connected with the electric automobile control system. According to the electric automobile, the structure is simple, energy storage and electric generation are achieved in a physical mode, liquid air is gasified into gas to push the pneumatic motor, the pneumatic motor drives the electric generator to generate electricity, the electricity is stored in the storage battery of the automobile to drive the driving motor to rotate, the problems that the electric automobile is high in battery manufacturing price and low in charging speed, pollutes environment and the like are effectively solved, and then the electric automobile has the advantages that energy storage is clean, convenient and safe.

This invention relates to an overcurrent protection device, which comprises a housing having a first side mounted with first and second wire terminals and a second side installed with a button, an elastic element installed therein for abutting against the button, a memory alloy plate disposed therein and having a first end connected to the first wire terminal and a free end having a first contact, and an elastic metal sheet having two ends movably connected to the first and free ends respectively. When the button is pressed, an extended rod thereof can push the first contact and cause the memory alloy plate to be deformed for enabling the first contact to contact a second contact on the second wire terminal. When the button is released and shifted away from the first contact, a space will be provided for the first contact to return an original status prior to deformation.

An inspection apparatus includes a probe card having a plurality of probes arranged to correspond to each chip of a semiconductor wafer under inspection and contacting a plurality of electrodes of each chip and a test head electrically connected to the respective probes of the probe card and applying test signals from a tester, and a plurality of tester lands of a probe substrate electrically connected respectively to the plurality of probes. A plurality of electrical connecting portions on the tester side of the test head, corresponding to the respective tester lands, are arranged to constitute a plurality of arrangement areas sectioned to correspond to the respective chips under inspection, and the plurality of probes of the probe substrate are connected to the corresponding tester lands provided in the arrangement areas in units of chips under inspection.

The utility model discloses an LED optimization low-voltage current source circuit module of a USB keyboard controller. Two N-type field effect transistors NMOS are installed on a low-voltage currentsource circuit (5). A substrate and a source end of the NMOS1 are connected and are both connected to a zero potential; the source end of the NMOS2 and the substrate are also connected to the zero potential together; the NMOS1 and the NMOS2 share the same gate and are connected to the output end of an OP; the drain end of the NMOS1 is connected with the forward input end of the OP and the reference current source input current IIN; the drain end of the NMOS2 is respectively connected with the negative input end of the OP and the negative end of the LED lamp; the LED lamp and the reference current source are jointly connected to a power supply VCC; and a compensation capacitor CC is bridged between the gate end and the drain end of the NMOS1. The module has good current matching performance, large dynamic range, small layout area and low design cost, and is very suitable for specific LED driving chips and USB keyboard controllers.

The invention discloses a compressor. The compressor comprises a cylinder assembly, a bearing, a silencer and a silencing partition. The bearing is arranged on the end face of the cylinder assembly, a first exhaust hole is formed in the bearing, the silencer is arranged on the end face of the bearing, and a silencing cavity is defined by the silencer and the bearing. The silencing partition is arranged on the end face of the bearing, at least one part of the silencing partition is recessed in the direction away from the bearing so that a first sub silencing cavity can be defined by the silencing partition and the surface where the bearing is located, a second sub silencing cavity is defined by the silencing partition and the silencer, the first sub silencing cavity is communicated with the first exhaust hole, and a second exhaust hole for allowing the first sub silencing cavity and the second sub silencing cavity to be communicated is formed in the silencing partition. According to the compressor, the silencing partition is arranged between the bearing and the silencer, gas refrigerant exhausted into the silencer is silenced twice, and therefore the silencing amount of the compressor is increased. The compressor is simple in structure and small in increase of design cost and machining cost.

A data transmission system including a plurality of transmitters, a receiver and a power combining circuit is provided. The transmitters have a first transmitting end and a second transmitting end, respectively. The receiver has a first receiving end and a second receiving end. The power combining circuit is coupled between the first transmitting ends and the second transmitting ends of the transmitters and the first receiving end and the second receiving end of the receiver, and has a plurality of power combiners to couple the first transmitting ends of the transmitters to the first receiving end of the receiver and couple the second transmitting ends of the transmitters to the second receiving end of the receiver.