31results about How to "Quick response to market demand" patented technology

Provided is a high-pressure industrial heat supply method for a thermal power plant. Optimization design is conducted on a large high pressure-intermediate pressure combined cylinder turbine generator set, and unconventional high-pressure industrial heat supply extraction steam is provided for heat consumers. The method specifically includes the following steps that a high pressure flow extractor 1 is shrunk to reach a high output flow area and an intermediate flow area, so that the pressure of the extractor 1 is about 10% higher than industrial heat supply extraction steam pressure when industrial heat supply steam is not extracted under a rated condition; consideration is given to reasonable feed-water temperature and a minimal pressure difference between the front and back of an intermediate regulating valve when heat supply extraction steam is rated; an industrial heat supply extraction steam opening is added to an extraction steam pipe of the extractor 1, namely, regenerative extraction steam and industrial extraction steam of the set are located in the same extraction opening, and meanwhile, a fast closing adjusting valve and a check valve are arranged on an industrial heat supply extraction steam pipeline; when loads of the heat consumers change, high output pressure is adjusted by changing the opening degree of the intermediate regulating valve, and therefore the pressure of the upstream separated extractor 1 is influenced and kept stable; the heat supply amount of the set is small, the extraction steam pressure is in a naturally pressure rising state, the intermediate regulating valve does not act, and the heat supply extraction steam pressure is kept stable through pressure reduction by a regulating valve on the heat supply extraction steam pipeline.

The invention discloses a machine-like stripping device for ton-scale production of graphene and a production method of the machine-like stripping device. The machine-like stripping device is characterized by comprising one or more stages of stripping devices which are connected in series, wherein each stripping device comprises a material bin, a rotor, a material distribution bin and the like, the lower part of the rotor is matched with that of the material bin, and when the rotor rotates, relative friction is formed at the matching position between the outer surface of the rotor and the inner surface of the material bin. During use, graphite raw material receives the shearing action of a friction force at the matching position, and Van der Waals forces among graphite layers of the graphite collapse so that the graphite is stripped and thinned into graphene which is fed into the material distribution bin. The machine-like stripping device for ton-scale production of graphene is simple to operate and can realize batch production of graphene, and the obtained graphene has a perfect crystal structure, a large specific surface area and good conductivity.

The invention discloses a system and a method for realizing a multi-object data interaction response and calling function. An intermediate server is used for realizing voice service routing. A voice access server performs load balancing on a data interaction response server and a voice intercommunication server, and realizes voice intercommunication service with the multi-object data interaction response and calling function on the basis of an extensible markup language (XML)-based messaging and presence protocol (XMPP) in different ways. The technical scheme has a simple structure; function integration can be quickly realized; a plurality of functions can be quickly iterated by fully utilizing the conventional resources; upward compatibility can be completely achieved by utilizing the protocol extension of the XMPP; in addition, due to low coupling between related servers, the service is conveniently deployed, smooth capacity expansion can be well realized, and market needs can be quickly satisfied.

The invention relates to a metal sheet metal part mirror image free mold machining method. The method comprises the following steps that 1, a rectangular plate material is fixed on a forming machine tool, and the two diagonal lines of the plate material divide the plate material into four regions; 2, a middle configuration is formed through a single forming tool for a first process, and the surface area of the middle configuration is 40-60% of the surface area of the final metal sheet metal part; when the tool head of the forming tool moves to a certain region of the plate material, the clamping force of a flexible clamp corresponding to the area plate material is reduced; and 3, the two forming tools are used for carrying out mirror image free mold forming on the plate materials at the same time and a final shape is formed for a second process, and the tool head of the lower forming tool is always located in the normal direction of the contact point of the tool head and the plate material. According to the method, a special mold is not needed, the machining period is short, the innovation design requirements of modern social products can be met, and the method has a good development prospect in the fields of rapid prototyping manufacture and new vehicle model exploitation.

The invention discloses an AP device, an AC controller and a method for automatic online declaration and registration thereof. The method includes: the AC controller receives the broadcast message of the AP device and responds to it, so that the AP device can go online successfully; receiving the broadcast message of the AP device; According to the registration request of the AP device, obtain the registration message of the AP; judge whether the AP device already exists according to the AP registration message; perform corresponding declaration and registration processing on the AP device according to the judgment result, through the present invention, zero configuration can be realized Automatic reporting and registration of AP devices on the AC controller improves deployment efficiency.

Provided is a high-pressure industrial heat supply method for a thermal power plant. Optimization design is conducted on a large high pressure-intermediate pressure combined cylinder turbine generator set, and unconventional high-pressure industrial heat supply extraction steam is provided for heat consumers. The method specifically includes the following steps that a high pressure flow extractor 1 is shrunk to reach a high output flow area and an intermediate flow area, so that the pressure of the extractor 1 is about 10% higher than industrial heat supply extraction steam pressure when industrial heat supply steam is not extracted under a rated condition; consideration is given to reasonable feed-water temperature and a minimal pressure difference between the front and back of an intermediate regulating valve when heat supply extraction steam is rated; an industrial heat supply extraction steam opening is added to an extraction steam pipe of the extractor 1, namely, regenerative extraction steam and industrial extraction steam of the set are located in the same extraction opening, and meanwhile, a fast closing adjusting valve and a check valve are arranged on an industrial heat supply extraction steam pipeline; when loads of the heat consumers change, high output pressure is adjusted by changing the opening degree of the intermediate regulating valve, and therefore the pressure of the upstream separated extractor 1 is influenced and kept stable; the heat supply amount of the set is small, the extraction steam pressure is in a naturally pressure rising state, the intermediate regulating valve does not act, and the heat supply extraction steam pressure is kept stable through pressure reduction by a regulating valve on the heat supply extraction steam pipeline.

The invention relates to a high-reliability three-dimensional heterogeneous integrated radio frequency analog-digital integrated micro system, which realizes three-dimensional heterogeneous integration through 3-level POP stacking. Inside the base, the high-density substrate is used as the wiring medium, and the ceramic base is used as the hermetic package and the signal fan-out medium. After the ceramic base is capped, the ceramic base and the polymer base are POP stacked and underfilled with glue The gap is filled, and the polymer base performs vertical signal transmission to form the final complete package structure, replacing the traditional multi-step multi-cavity multi-layer wiring integrated ceramic tube and shell package, which greatly simplifies the package design and solves the problem of the traditional ceramic package. When the shell and the PCB are directly welded, the excessive thermal stress caused by the large difference in the thermal expansion coefficient of the materials leads to the failure of the solder balls and pads, which reduces the difficulty of the process and achieves high-density integration and high reliability at the same time.

The invention relates to a bridge crane metal structure parameterization design method based on client / server / workstation (C / S / W) system architecture. The method comprises the following steps of: automatically creating and instantly updating a three-dimensional model library of a standard piece frequently used by an enterprise by adopting an integral design flow of items, products and members andcreating a C / S / W network system architecture according to the parameterization theory and a database technology, and organically combining the parameterization technology and a product data management (PDM) technology so as to automatically generate and effectively manage product design documents. The method is convenient to execute, strong in operability and good in expandability; moreover, by the method, the design efficiency of the enterprise is improved, and the product developing period is shortened.

The invention discloses a chip architecture, comprising: a field programmable gate array FPGA, a communication interface, and a micro control unit MCU; the communication interface and the micro control unit MCU are arranged on the field programmable gate array FPGA interface; When the chip is powered on, the programmable gate array FPGA configures the communication interface as an interface for receiving information or an interface for sending information according to the obtained configuration information. The chip architecture disclosed in the present invention provides a more flexible configuration application and can quickly respond to changing market demands.

The invention discloses an intelligent communication detection system and a communication method thereof, the intelligent communication detection system comprises a host and one or more slaves, the host is a device for initiating primary information exchange with the slaves, and the slaves are devices for receiving host information and performing information exchange with the host; a communicationtransceiving interface of the host is connected with the power interface of each slave for communication; the voltage change signal sent by the host is a low-voltage signal greater than the working voltage of the slave. According to the invention, each functional module of the slave is embedded into each intelligent terminal (namely the slave), so that the slave can realize communication of a low-voltage section by directly utilizing the power supply interface to be connected to the detection equipment (the host computer), and the requirement of field maintenance can be conveniently met; whenthe communication mode is used in the manufacturing link of the intelligent terminal, rapid response to market demands of products can be realized with low cost, and the contradiction between large-scale mass production and customized production is solved.

The invention relates to a sheet metal part die-free machining method. The sheet metal part die-free machining method comprises the following steps that firstly, four boundaries of a rectangular metalplate material are fixed to a forming machine tool through clamps; secondly, a half-ellipsoid-shaped die is formed as a first intermediate structure, the surface area of the first intermediate structure accounts for 60-80% of the surface area of the finally formed part, and the first intermediate structure is formed in the first pass; thirdly, a reversely raised swell is established upwards fromthe center of the lower side of the first intermediate structure and used as a second intermediate structure, the area of the raised swell accounts for 30-40% of the surface area of the first intermediate structure, and a lower forming tool is adopted to form the second intermediate structure along a preset second formation path in the second pass; and fourthly, the second intermediate structure is machined to be in the shape of the finally formed part in the third pass. The sheet metal part die-free machining method does not need a dedicated mold, the machining period is short, and a large-wall angle or straight-angle piece, complicated-structure pieces and other parts difficult to machine can be formed.

The invention discloses an intelligent communication detection system and a communication method thereof, comprising a host and single or multiple slaves. The host is a device that initiates an information exchange with the slaves, and the slaves receive information from the host and exchange information with the host. The communication transceiver interface of the host is connected to the power interface of the slave for communication; the voltage change signal sent by the host is a low-voltage signal greater than the working voltage of the slave. In the present invention, the various functional modules of the above-mentioned slaves are embedded and installed in various intelligent terminals (ie, the slaves), so that the slaves can be directly connected to the detection equipment (host) by using the power interface to realize the communication of the low-voltage section, which can be conveniently realized. On-site maintenance requirements; using this communication method in the manufacturing process of intelligent terminals can quickly respond to market demands at low cost, and solve the contradiction between large-scale mass production and customized production.

The present invention provides a power amplification system and a processing method thereof. The system includes a signal screening circuit, a radio frequency predistortion circuit, a combining circuit, a Doherty power amplification circuit, a coupling circuit and a feedback frequency selection circuit connected in sequence. The radio frequency predistortion circuit The circuit is connected with the feedback frequency selection circuit. The power amplifier system of the invention can support n (n=2, 3, 4, ...) frequency bands, has wide bandwidth, small volume, low cost and is easy to implement. Using radio frequency predistortion (RFPD) technology and multi-frequency broadband Doherty technology, the high linearity performance and high efficiency performance of the system are realized, and the power amplification system does not need to use any wideband A / D, D / A and other devices, avoiding the limitation device troubles.

The invention discloses an AP fast application and registration method and an AC controller. The method comprises the following steps: step 1, the AC controller receives a registration request of an AP and acquires a registration message of the AP; step 2, whether the AP exists or not is determined according to the AP registration message; step 3, the corresponding application and registration iscarried out on the AP according to the determination result. Accordingly, the automatic application and registration of the AP on the AC controller can be realized, and the opening work efficiency isimproved.

The invention relates to a semi-physical simulation system of an AC-DC-AC metallurgy rolling mill transmission system. The semi-physical simulation system comprises: a physical control unit, which includes a rolling mill transmission system controller outputting a control signal; a real-time simulation unit, which includes a real-time simulator, is provided with an operated main circuit module of the rolling mill transmission system and is used for receiving and transmitting an electric signal by a corresponding signal interface to carry out analog simulation calculation; and a signal conversion unit, which is connected between the physical control unit and the real-time simulation unit and is used for converting the control signal outputted by the physical control unit into an electrical signal that can be received by the real-time simulation unit and providing the electrical signal to the real-time simulation unit, converting an analog simulation result outputted by the real-time simulation unit into an actual work signal and providing the signal to the physical control unit, thereby realizing simulation testing on the rolling mill transmission system controller.