35results about How to "Easy to upgrade and improve" patented technology

The invention relates to a totally digitalized numerical control inversion welder, which belongs to the welding technical field. In the invention, a current signal processing module and a voltage signal processing module respectively collect the welding current and voltage, and unify a current signal and a voltage signal into a 0-5V direct-current signal which is then transmitted to an ARM microprocessor; the ARM microprocessor generates a PWM impulse signal according to the current and the voltage which are obtained through measurement, and the PWM impulse signal is transmitted to an IGBT driving module; the IGBT driving module converts the PWM impulse signal into a signal which can directly drive an IGBT tube to work, so as to control the output of an inverter; a human-computer interface display module is connected with the ARM microprocessor, so as to display the information such as the welding condition, the historic records and the like; a key input module converts the key information into a high-low level signal, and simultaneously generates key interruption; a security action recognition module judges the alarming content and outputs a control signal to protect the safety of the welding equipment and the welding personnel. The total digitization of the welder is realized through the ARM microprocessor.

A process for preparing 1,1-bifluoroethane features that the initial lever of hydrofluoric acid is 60-70% of reactor's volume, the weight of catalyst is 30-40% of the weight of hydrofluoric acid, the feeding speed of acetylene is 0.08-0.12 kg/h for each kg of hydrofluoric acid, and the reaction temp and presure are 22-32 deg.C and 0.03-0.3 MPa. Its productive equipment is also disclosed, which features small ratio of length to diameter, full reaction, and less consumption of raw material.

The invention discloses a taxi sharing billing system. The taxi sharing billing system comprises a keying unit which is used for a driver and passengers to input riding modes selected by at least one passenger into the taxi sharing billing system, a mileage signal input unit which is used to collect riding mileage of each passenger in real time and send collected riding mileage data information to a main control unit, the main control unit which is used to receive the data information transmitted by the keying unit and the mileage signal input unit, bill each passenger for riding, and control working of the whole taxi sharing billing system, a liquid crystal display (LCD) unit which is used to receive data information transmitted by the main control unit and display riding cost of each passenger in real time, and an invoice printing unit which is used to receive riding cost information of each passenger, transmitted by the main control unit, and print an invoice of each passenger according to expense amount of the passenger. The taxi sharing billing system can simultaneously display information such as the riding cost and the mileage of four passengers at most, and can simultaneously print a plurality of the invoices.

The invention relates to a determination method for the absorption rate of a tobacco peduncle material liquid and a device thereof, and belongs to the field of tobacco processing technology. With a determination device, the absorption rate of the tobacco peduncle material liquid is determined by using a weighing method, and the method comprises the steps of setting determination conditions, and determining the water content of tobacco peduncles and the absorption rate of the tobacco peduncle material liquid. The device comprises a base (1) with a heating element, a control panel (2) arranged on the base (1), a liquid containing tank (3) marked with a tank capacity scale (4), a net cage (5) arranged in the liquid containing tank (3) and fixed through a net cage fixing element (6) and provided with a cover plate (12) at the end face, and a lifting device (7). One end of the lifting device is fixed on the base (1), and the other end of the lifting device is connected with the net cage fixing element (6). The method and the device have the advantages that: the device has self feedback regulation of temperature, can rise and fall automatically, and can measure multiple samples at a time; and the method has high determination precision, high efficiency and low cost, and saves raw materials and material liquid.

The invention provides a circuit control board system of an electric welding machine. The circuit control board system comprises a control board and a master board, and the control board and the master board are connected through a flat cable; the master board comprises a switch power supply circuit, an input voltage judging circuit, a voltage doubling rectifying filter circuit, a rectifying filter circuit, an inverter circuit, a transformer, a full-wave rectifying circuit, a current feedback circuit and a voltage feedback circuit. The invention further provides the electric welding machine. The electric welding machine and the circuit control board system thereof have the advantages that the electric welding machine is simple and clear in structure; production process is simplified, production hours are shortened, and production cost is reduced; connection relation is simple, and some key connection leads are replaced by copper foils, so that a fool-proof function can be achieved, and the probability of production errors is reduced; interferences by clustering of traditional connection leads are reduced by the simple connection relation; functional modules are individually laid out, so that test and maintenance are facilitated; the whole system of the electric welding machine is modularized, so that operations such as improving and upgrading of the electric welding machine are facilitated.

The invention discloses a Tinsel embroidery computer embroidery machine, which solves the problems in the prior art that the structure is complicated and not compact, the embroidery pattern quality can not be guaranteed, the embroidery machine product is uneasy to be updated and redesigned. The technical proposal adopted is that: the Tinsel embroidery computer embroidery machine comprises a machine head, a tinsel delivery mechanism arranged on the machine head and an embroidering needle; the invention is characterized in that: the machine head is provided with a rod-shaped pressing part, the pressing part and the embroidering needle are arranged at the downside of the machine head in parallel along the vertical direction, the end of the pressing part can punch a tinsel piece before the embroidering needle sews the target tinsel piece.

The invention discloses a cloud computing system, which includes a cloud computing center, a cloud base station and a client. The cloud computing center is connected with several cloud base stations, and each cloud base station is connected with several clients. Each cloud base station is equipped with The encryption module is used to encrypt the data input by the client and send it to the cloud computing center, encrypt the data sent by the cloud computing center and send it to the client for decryption, for customers to view; it also includes a control module and an update module , a management module, and a feedback module. The present invention greatly improves the operating efficiency of the system through the setting of the management module, and improves the security of data transmission through the setting of the encryption module. At the same time, it has its own data update function, which greatly expands the use of the system. range, and when in use, customer feedback can be collected, which is conducive to system upgrades and improvements.

The invention discloses a design method for torsional vibration of a reciprocating compressor rotor system, and the method comprises the steps of carrying out the mass equivalent calculation on a moving part of a reciprocating compressor, and providing data for the model conversion of a torsional vibration system of the reciprocating compressor rotor system, wherein the reciprocating compressor moving part for mass equivalent calculation comprises a connecting rod, a crosshead and a piston; and according to the principle that the rotational inertia of the structure is equal, carrying out equivalent processing on a coupler structure, a flywheel and a motor rotor structure of the rotor system, thereby completing the geometric model construction of the reciprocating compressor rotor system comprising a crankshaft, the equivalent coupler, the equivalent flywheel, a motor shaft and a equivalent motor rotor; and using the general ANSYS finite element calculation software for replacing the original special analysis software, so that the calculation precision and the working efficiency of the torsional resonance of the reciprocating compressor rotor system are improved, and the method is not limited by the proprietary technical attribution of reciprocating compressor series products and can be widely applied in the industry.

The invention discloses an energy storage converter communication line-free parallel strategy based on bus voltage event detection. The strategy comprises the steps: based on the background that the load end of the energy storage converter is close, acquiring a voltage signal of a PCC point common terminal as a common event signal; realizing the power sharing of each energy storage converter basedon a PCC voltage feedback method; based on the principle of an event detection mechanism, taking an event signal of PCC voltage as a synchronizing signal for realizing the voltage frequency recoveryof each energy storage converter, so the requirement of each energy storage converter on a communication interconnection line is avoided. The strategy control method is simple, practical, convenient to improve, good in system expansibility and low in construction cost of the interconnection-line-free multi-machine parallel system, and has a more practical engineering application value.

The invention discloses an AGV carrying robot for copper foil reel conveying. The robot comprises a chassis structure; a visual navigation sensor is arranged at the bottom of the chassis structure, wheel driving systems are arranged at the front position and the rear position of the chassis structure respectively, a lifting system is arranged on each wheel driving system, a controller is further arranged in the chassis structure, and the controller controls the wheel driving systems and the lifting systems to operate. The AGV carrying robot has the capabilities of quick positioning and heavy-load lifting, dangerous factors in work of workers are eliminated, that the production process is stably and smoothly carried out, the labor force is liberated, and mechanical and automatic productionis realized.

The invention discloses an HTML5 (hypertext markup language5) based vehicle platform interaction method. The method comprises steps as follows: S1, a javascript interface is created by a client, coupled with an HTML5 application and used for providing a background server access interface when an HTML5 application request accesses a vehicle platform; S2, a background service interface is created by a server, coupled with a system function service interface of the vehicle platform and used for completing access of HTML5 program to the vehicle platform according to request information. According to the method, the communication interface of the HTML5 program and the background is additionally created, so that an internal structure of a browser is not required to be modified, the transportability is high; besides, with the adoption of the external interface for communication, safety is improved, meanwhile, the communication interface can be remotely debugged, and upgrading and improvement are facilitated.

The invention discloses a high-frequency time-division multi-target microwave wireless energy transmission system, relates to a microwave wireless energy transmission and phased array multi-target directional radiation technology, and belongs to the technical field of power generation, power transformation or power distribution. According to the method, a multi-target microwave wireless energy transmission system which is simple and easy to use and transmits energy to multiple targets at the same time is provided based on a phased array directional radiation technology, and a high-frequency control signal is used for forcibly switching beam angles on the basis of realizing respective directional radiation on a single target; in addition, the invention discloses a power transmitting and distributing algorithm based on the hardware transmitting scheme, required power is accurately provided for each energy receiving target, and each energy receiving target simultaneously receives stable direct-current voltage with the required power in a time domain by using a specially-designed filter. The scheme provided by the invention has the advantages of simple and easy-to-implement control structure, good directional radiation effect, high transmission efficiency and the like.

The invention discloses a signal generation device and method for an arbitrary waveform generator. The signal generation device and method can generate various different signals according to the needsof a user. The device comprises an application layer which is used for configuring signal generation parameters, generating a unified interface file from the configured parameters and outputting theunified interface file to a function module layer; the function module layer used for reading the interface file, analyzing the configured parameters, generating a required signal by utilizing a function function, storing the signal as a plurality of binary files, and outputting the binary files to the driving layer; a driving layer used for transmitting the data in the binary file to the operating system layer; and the operation system layer used for generating a trigger output pulse signal according to the waveform output trigger mode, converting the received data into an analog signal, carrying out waveform conditioning and gain control on the analog signal to obtain an adjusted required signal, and outputting the adjusted required signal.

The invention discloses a control device and a control method of a remote monitoring function of an integrated hydraulic machine. The control device comprises an input module, an output module, a CPU (Central Processing Unit) module, a message sending module, a remote information platform and a communication network, wherein the input module is used for collecting state information of the monitoring end of the hydraulic machine and transmitting to the CPU module in real time; the output module is used for transmitting a control signal of the CPU module to the hydraulic machine; the CPU module is used for performing analytical judgment on the collected state information of the hydraulic machine, so as to control the hydraulic machine to normally operate and transmit the state information of the hydraulic machine to the message sending module; the message sending module is used for sending the state information of the hydraulic machine to the remote information platform in the form of messages; the remote information platform is used for receiving message information of the hydraulic machine and identifying and reading the state of the hydraulic machine; the communication network is used for realizing message communication of the message sending module and the remote information platform. A simple message sending mode is used for replacing a mode that technicians are assigned to a user industrial field to monitor the state information of the hydraulic machine. The degree of automation of a hydraulic machine control system is greatly increased.