31results about How to "Strong capacity expansion" patented technology

The invention relates to an intelligent traffic information service application system and method based on a cloud platform. The system comprises a terminal layer and a central platform module. The intelligent traffic information service application system and method based on the cloud platform are adopted. Technologies of cloud computing, cloud storage and the like are adopted. Unified planning and construction of traffic-related services are realized. The system not only can provide application support basic platform service and data storage, disaster recovery, exchange and other services for a multi-level unit department, but also improves the application compatibility and availability, accelerates the deployment of a business system, improves the utilization rate of hardware resources,reduces the construction cost and daily operation and maintenance cost of unit systems at all levels, and reduces the energy consumption. Meanwhile, by building traffic cloud of'traffic wisdom interconnection and shared information service ', intelligentization and refinement of road network management, vehicle-road collaboration and travel information service are achieved, the traffic service level and the operation efficiency are improved, the traffic information application is more efficient, and a wider application range is achieved.

The invention discloses an all-purpose electronic experimental box for electronic circuit experiment, which comprises the following parts: box body, experimental board, instrumental box, tool box and element bin, wherein the box body consists of upper and lower box bodies with the element bin placed in the lower box body and the instrumental box and tool box placed in the upper box body; the experimental board is placed on the lower box body, which separates the instrumental box, tool box and element bin; the experimental box integrates, sorts and contains kinds of experiment meters, tools and experimental board organically, which utilizes the space of experimental box completely. The invention uses all-purpose experimental board technique, which possesses low experimental cost, high experimental efficiency and long lifetime with strong extending ability.

The invention relates to the fields of marine environment monitoring and optical-fiber sensing technology, and particularly to a marine multi-parameter integrated monitoring system based on a micro-nano optical-fiber half coupler and a method. The monitoring system includes a tunable wavelength scanning light source, an optical-fiber isolator, a 1x4 tunable optical switch, a CTD sensor, a magnetic-field sensor, a humidity sensor ,a harmful-gas sensor, a photodetector No.1, a photodetector No.2, a photodetector No.3, a photodetector No.4, a collection card and a signal processing computer. Thesystem of the invention has the advantages of a simple structure, low costs, high sensitivity, multi-parameter integrated sensing, high integration, convenient deployment, high data compatibility andthe like, and effectively satisfies multi-parameter integrated monitoring and information processing application demand of marine environments. The system is an optical-fiber sensing system, can be convenient for integration with an existing optical-fiber hydrophone system, and then provides a real-time in-situ high-precision marine dynamic environment guarantee.

The invention discloses a geomagnetic sensor and Wifi-based parking space detection apparatus and method, and belongs to the technical field of parking space detection and wireless communication. The parking space detection apparatus comprises a power supply module for providing working voltage to a main controller, a geomagnetic parking space detection module and a wifi wireless communication module, the main controller used for controlling the working states of the geomagnetic parking space detection module and the wifi wireless communication module, the geomagnetic parking space detection module used for acquiring earth magnetic field signals, and the wifi wireless communication module used for sending parking space information. The parking space detection method comprises the steps of the geomagnetic parking space detection module acquiring the earth magnetic field signals of a parking space and sending the signals to the main controller, forming parking space occupation information after the main controller processing the acquired earth magnetic field signals, and the wifi wireless communication module controlled by the main controller sending parking space information based on the principles of sending information when change occurs. The parking space detection apparatus and method have the advantages of wifi wireless transmission, reliable communication, simple networking, high capacity expanding capability, and low execution and use cost.

The invention discloses a hundred-megawatt level heavy type flywheel energy storage system based on gas magnetic fluid float cylinder suspension. The hundred-megawatt level heavy type flywheel energy storage system based on the gas magnetic fluid float cylinder suspension comprises a heavy type flywheel, a rotating shaft, a driving unit and an output unit. A float cylinder is arranged on the rotating shaft, and the float cylinder is one separation or combination of an air cushion float cylinder, a magnetic suspension float cylinder and a fluid float cylinder. The float cylinder is added on the rotating shaft, load bearing capability of the rotating shaft is improved, and the problem that a heavy type flywheel can not be adopted by an existing flywheel energy storage system is solved. The hundred-megawatt level heavy type flywheel energy storage system has the advantages of being high in energy storage efficiency, strong in dilatation capability and wide in energy storage scale, and has the advantages of being high in power density, long in service life, limitless in charge-discharge times, free-of-pollution and the like as traditional flywheel energy storage technology. The hundred-megawatt level heavy type flywheel energy storage system simultaneously is low in construction requirement, is mainly used in flat suppression fluctuation and smooth grid-tied, can be used for constructing of a super-large scale energy storage pitch peak power station, and can also be used as a distribution type intelligent microgrid energy storage core.

An embodiment of the invention provides a cross-datacenter data synchronization method and device. The method specifically includes: collecting key value pair data of to-be-synchronized datacenters; utilizing a distributed computational frame to perform consistency checking of the key value pair data of the to-be-synchronized datacenter so as to obtain consistent or inconsistent testing results. By the method and device, times of access to each datacenter can be decreased, so that online access pressure on each datacenter can be relieved; besides, cross-datacenter data synchronization efficiency can be increased, and computational resources of each datacenter can be avoided being occupied, so that performance of each datacenter is avoided being affected.

The invention discloses a wireless transmission system of micro-seismic monitoring data. The wireless transmission system comprises a micro-seismic signal acquisition processing unit, a field service unit, a computer room server, a data analytic center and an analytic decision-making client, wherein the micro-seismic signal acquisition processing unit is used for acquiring micro-seismic signals and converting the signals into digital signals; the field service unit is used for simply processing the converted digital signals and transmitting the processed digital signals to the remote data analytic center and the analytic decision-making client; the computer room server is used for receiving the digital signals; the data analytic center is used for analyzing the received digital signals; the analytic decision-making client is used for analyzing the signals, making decisions and performing remote control. The wireless transmission system converts the micro-seismic signals acquired by the micro-seismic signal acquisition processing unit to the digital signals, transmits the digital signals to the remote data analytic center and the analytic decision-making client through a GPRS (General Packet Radio Service), so as to implement in-time management and analysis of micro-seismic monitoring for geological disasters. The wireless transmission system is high in reliability, strong in instantaneity, wide in monitoring range, strong in expansion and low in cost, and greatly improves the working efficiency of analysis, processing and early warning of the micro-seismic information.

The invention discloses an efficient and high-power vehicle-mounted DCDC power supply. The output positive electrode of a vehicle-mounted fuel cell is connected with a first contactor and a first electric reactor in sequence through a fuse; the output negative electrode of the fuel cell is connected with a second contactor; the output ends of the first electric reactor and the second contactor areconnected with a first capacitor in parallel; the first capacitor is connected with a filter through a DC/DC conversion circuit; the output positive electrode end of the filter is connected to a loadpower battery through a reversion preventing diode; and the DC/DC conversion circuit adopts a dual Boost topological structure which is formed by a primary boost circuit and a secondary boost circuitin a reversely staggered and parallel connection manner. The instable low voltage output by the fuel cell is converted into a stable high voltage to be stored in the power battery to be used by equipment and the driving motor on the vehicle; and the power supply is high in power output efficiency, small in size and light in weight, less in raw material loss and low in cost.

The invention belongs to the technical field of energy storage, and discloses an energy storage system, a control method and an intermittent power supply energy storage device. The system comprises: an energy storage battery which is used for storing electric energy; and a control system which is connected with the energy storage battery and used for detecting real-time parameters of the energy storage battery and controlling the charging and discharging process of the energy storage battery. The energy storage battery is formed by connecting a first battery pack, a second battery pack to an Nth battery pack in series. The control system comprises a BMS battery management system, a display interaction module, a circuit breaker, a reset button, a DC/DC low-voltage module power supply, a protective tube, a KM1 pre-charging relay, a KM2 total positive relay, a KM3 total negative relay, a KM4 power supply relay, a pre-charging resistor and a bidirectional DC/DC converter. The energy storage system disclosed by the invention is strong in expansibility, strong in applicability, high in expansibility, capable of covering energy storage systems with different capacity levels, simple in system operation logic judgment and easy to realize.

The invention discloses a combined structure of a prefabricated cabin type transformer substation with low cost. A prefabricated cabin is formed by the mutual tenon connection of a plurality of keel section structural beams; the keel section structural beams comprise keel section cross beams, keel section longitudinal beams, keel section vertical beams and bending arms; a plurality of keel section cross beams which are parallel to each other and a plurality of keel section longitudinal beams which are parallel to each other are connected to form a bottom structure of the prefabricated cabin in a tenoning way, and a plurality of keel section vertical beams are connected to a side wall structure of the prefabricated cabin formed by a bottom structure in a tenoning way; a side wall structure of the prefabricated cabin is provided with a plurality of tenoning structure connected with an adjacent prefabricated cabin; the bending beam is inserted above the two side wall structures of the prefabricated cabin, and a plurality of keel section cross beams are respectively connected to a top structure of the prefabricated cabin formed by the bending beam in a tenoning structure; the side wall structures are connected with composite surface wall plates, and a combined steel wire gauze and a protective panel can be utilized to reduce the thickness of the panel and greatly reduce the manufacturing cost of the transformer substation under the precondition of ensuring the impact strength of the composite surface wall plates.

The invention discloses a piling device and method. The piling device comprises a pile hammer, pile hammer coils, a pile body, pile body coils and a supporting mechanism. The supporting mechanism provides support for the pile hammer and the pile body, so that the pile hammer and the pile body freely move on the supporting mechanism; the pile hammer coils are fixed to the pile hammer; the pile bodycoils make contact with the pile body; the pile body coils and the pile hammer coils are coaxially arranged; and preset distances are reserved between the pile body coils and the pile hammer coils soas to guarantee that electromagnetic force between the pile body coils and the pile hammer coils meets the requirement. The piling device which is simple in structure, convenient to operate, fast inoperation, adjustable in impact force, high in efficiency, small in energy consumption, safe, reliable, free of pollution and suitable for different soil is provided for pile foundation construction.

The invention discloses a first-aid plasma substitute medicine composition and a preparation method thereof. The medicine composition includes 2-6% (w/v) of sodium chloride and 4-10% (w/v) of hydroxyethyl starch, wherein the average molecular weight of the hydroxyethyl starch is 200000 +/- 20000 Dolton. The medicine composition is strong in plasma volume expansion effect, is durable in effect, is low in tendency of medicine accumulation, is high in safety and is less in influence on blood clotting in human body. The medicine composition can be used for treating hemorrhagic shock due to various factors, can be used in first aid of patient suffered from trauma and burn as a plasma substitute, and is employed as the plasma substitute in various surgery.

The invention discloses a radio broadcasting system based on ZigBee protocol radio communication and PCM coding-decoding. According to the radio broadcasting system, a voice signal processing circuit (1), a PCM coding and multi-channel clock generation circuit (2) and a signal transmission circuit (3) are sequentially connected; the signal transmission circuit (3) is used for sending a signal to a ZigBee radio network (4), the signal is transmitted to a first radio reception circuit (5-1), a second radio reception circuit (5-2), ..., an nth radio reception circuit (5-n) through the ZigBee radio network (4) respectively, the first radio reception circuit, a first PCM decoding circuit and a first voice output circuit are sequentially connected, the second radio reception circuit, a second PCM decoding circuit and a second voice output circuit are sequentially connected, and the nth radio reception circuit, an nth PCM decoding circuit and an nth voice output circuit are sequentially connected. The radio broadcasting system is automatic in networking, capable of realizing encryption transmission, high-fidelity in radio signal transmission, simple and easy to operate in installation and maintenance, high in expansion capacity, low in cost, low in power consumption, and capable of working in a license-free frequency band of 2.4GHz.

The invention discloses wireless monitoring equipment and a method for operating the same. The wireless monitoring equipment comprises front-end equipment, transmission channels, a control center, a television wall display, an antitheft alarm device and system power supply equipment. The front-end equipment comprises a camera, an electric zoom lens, outdoor active infrared infusion detectors, a double-monitoring detector, temperature and humidity sensors, a holder, a protective cover, a decoder, an alarm lamp and an alarm whistle; the transmission channels include a microwave image transmission channel and a wireless data transmission channel; the control center comprises a digital video recorder, a monitor and a matrix controller; the digital video recorder, the monitor and the matrix controller are connected with one another. The wireless monitoring equipment and the method have the advantages that the wireless monitoring equipment can be free of constraints of cables, is short in mounting period, convenient to maintain, high in expansion capacity, flexible in networking, quick in mounting, low in maintenance expense, free of operating expenses and flexible in use, and has powerful system functions, network laying and additional equipment for new transmission can be omitted, and remote video monitoring can be easily implemented.

The invention discloses a blowing type remote liquid level measurement system, which comprises a central control console part and a measurement and control box part, the central control console part comprises a power supply device, a HUB switch, a comprehensive alarm board, a PLC (programmable logic controller), an industrial personal computer and a liquid crystal display, the measurement and control box part comprises an ME-PLC, a HUB switch, a touch screen, terminals and a pneumatic controller, the terminals are respectively connected with the ME-PLC, the HUB switch and the touch screen, the comprehensive alarm board is provided with a silencing button switch, an OK button switch, a light testing button switch, a comprehensive alarm indicator light, an ordinary alarm indicator light and an acoustic alarm, and the ME-PLC is provided with multiple channels of digital signal acquisition and processing function interfaces, digital output interfaces, 4mA to 20mA signal acquisition and processing function interfaces and Pt100 signal acquisition and processing function interfaces. The invention integrates the alarm system into the remote measurement system, cost is reduced, the workload of maintenance is decreased, scalability and programmability are high, and the stability of the system is enhanced.

The invention discloses an energy-saving sound collecting device with an automatic activation function. The device comprises a waterproof shell, sound sensors, a sound pickup head, a sound processor and a control module, wherein an electronic display screen is arranged on the side wall of the long end of the waterproof shell; control buttons are arranged below the electronic display screen; a solar panel is arranged on the top of the waterproof shell; the sound pickup head is arranged on the side wall of the short end of the waterproof shell; a dustproof shield is arranged on one side of the sound pickup head; a sound pickup is arranged inside the sound pickup head; the sound sensors are arranged around the sound pickup head; sensitive supports are arranged inside the sound sensors; and laser emitters are arranged on the sensitive supports. The device has the beneficial effects that: 1, the device is simple in operation, good in sound recording effect and long in endurance; 2, the device has the automatic activation function and a strong capacity expansion property and is capable of adjusting the sound threshold according to different recording needs; and 3, by adopting the intelligent design, the device is good in energy saving effect and long in service life.

The invention discloses a data communication method and device and a computer readable storage medium. The method comprises the following steps: receiving a data request initiated by a client; throughthe connection handshake between the protocol negotiation layer and the server, determining the HTTP protocol communicating with the server, and establishing the connection with the server, so that the communication protocol of each server does not need to be acquired in advance when the client communicates with a plurality of servers, the communication between the client and the server of any communication protocol can be realized based on the protocol negotiation layer of the gateway equipment.

The invention discloses a plasma substitute medicine composition used in first aid and a preparation method thereof. The plasma substitutes medicine composition includes 2-4.5% (w/v) of sodium chloride and 3-7% (w/v) of hydroxyethyl starch, wherein the average molecular weight of the hydroxyethyl starch is 130000 +/- 20000 Dolton. The plasma substitute medicine composition is strong in plasma volume expansion, is durable in effects, is low in tendency of medicine accumulation, is high in safety and is more less in influence on blood coagulation in human body. The plasma substitute medicine composition can be used for treating hemorrhagic shock due to various reasons and can be used for rescue of injury and burn patients. The plasma substitute medicine composition can be used in various operations.