51results about How to "Simple function implementation" patented technology

The invention discloses a system and a method for realizing a double-node interconnected pseudo-wire, and relates to the technical field of application of wireless backhaul networks. The system comprises two bridge nodes, at least one access side node and at least one core side node, wherein the two bridge nodes are connected with each access side node and each core side node respectively; the two bridge nodes are taken as a master node and a standby node; both the master node and the standby node are provided with access side interfaces, double-node interconnected pseudo-wire side interfaces and core side interfaces; any two interfaces on the same bridge node are communicated with each other; a double-node interconnected pseudo-wire side virtual circuit is arranged between the master node and the standby node; access side virtual circuits are arranged between the access side node and the master node as well as between the access side node and the standby node respectively; the double-node interconnected pseudo-wire side virtual circuit and the access side virtual circuits are bound in one double-node interconnected pseudo-wire group; and automatic protection changeover signaling channels are overlapped on the double-node interconnected pseudo-wire side virtual circuit and the access side virtual circuits respectively.

The invention discloses a client host information change periodic detection method. The method comprises a client and a management end. The method comprises the following specific detection steps: to begin with, by calculating a network card Mac address of a client host and CPU serial number, client ID, which serves as unique identification of the client, is obtained, so that when host IP address changes, the client and the management end can still be communicated normally; the client obtains host information according to a preset period, makes a comparison between the host information and the stored registration information, and sends a change notice to the management end when the host information is different from the stored registration information; and when the change notice is sent successfully, the stored registration information is updated, and meanwhile, the stored registration information is encrypted and stored. Compared with the prior art, the client host information change periodic detection method is simple to realize, allows the feedback of host information change to be more accurate, timely and stable, and is high in practicality and easy to popularize.

The invention discloses a taken-out article prompting system. The taken-out article prompting system comprises a scanner and at least one electronic label, wherein the scanner is arranged on a door and comprises a first wireless module, a prompting module, a first induction module and a first power supply module, the prompting module and the first induction module are respectively connected with the first wireless module, the first wireless module is triggered by the first induction module and then scans a wireless signal, the prompting module is triggered when a preset condition is satisfied, electronic labels are arranged on articles and comprises a second wireless module, a second induction module and a second power supply module, the second induction module is connected with the second wireless module, and the second wireless module is triggered by the second induction module and then emits the wireless signal. Through the taken-out article prompting system, whether the needed articles are carried out by a go-out person can be intelligently identified, the go-out person is prompted when the articles are not carried out, use convenience is improved for a user, and use experience effects are greatly improved.

The invention relates to a jumper connection looped network system applicable to a rail transit vehicle. The jumper connection looped network system comprises a vehicle head control terminal, at least four carriage data acquisition and storage devices and a vehicle rear control terminal, wherein the vehicle head control terminal is connected with the vehicle rear control terminal after passing through odd number carriage data acquisition and storage devices in sequence according to an ascending order, and the vehicle rear control terminal is connected with the vehicle head control terminal after passing through even number carriage data acquisition and storage devices in sequence according to a descending order. Compared with the prior art, the jumper connection looped network system applicable to the rail transit vehicle has the advantages of being good in extension performance, safety, and reliability, and convenient to maintain and manage, and low in implementation cost.

The invention provides a vibration isolating rubber mortar which is prepared from the following raw materials by mass: 20 to 50 parts of rubber, 15 to 30 parts of sand, 15 to 30 parts of cement and 15 to 30 parts of water, wherein the rubber is styrene-butadiene rubber, butadiene rubber or isoprene rubber and the cement is Portland cement. Beneficial effects of the invention are mainly as follows: 1) through addition of rubber particles in common mortar, the effect of vibration isolation in a subway tunnel is achieved on the premise that ground bearing capacity is not affected, and settlement of a soft soil foundation and influence on surrounding buildings and the life of residents is reduced; 2) utilization of waste tires enables treatment cost for the waste tires to be lowered down, pollution to the environment to be reduced and the waste to be changed into the valuable; and 3) with cooperation of the rubber mortar brought forward in the invention which has good buffer capability, a train is allowed to have an improved comfort level in running.

The invention relates to a high-frequency electromagnetic wave test signal receiving and conditioning circuit, comprising an attenuation module, a gate module, an amplifying module, a frequency mixing module and a filter module which adopts an active low-pass filter which are sequentially and electrically connected, and the high-frequency electromagnetic wave test signal receiving and conditioning circuit further adopts an integrated multiplier, two levels of differential amplification and two levels of differential attenuation. Compared with the prior art, the signal receiving and conditioning circuit can be applicable to a high-frequency electromagnetic wave test instrument, thereby realizing the simpleness, the more stable performance, the higher signal-to-noise ratio and the higher measurement precision.

A keyless smart anti-theft lock is composed of a lock body, an outer panel, an inner panel, a smart remote control circuit board, a rotating mechanism, micro elastic-sheet switches, batteries, indication lamps, power lines and a remote controller. The lock body is simple in structure, stable in quality and low in failure rate; locking and unlocking of a locking dog are easily achieved through flexible application of several lever principles, locking and unlocking are quite stable, and the failure rate is zero. Multiple control modes can be adopted, and door opening modes are flexible and diversified. A mobile phone is bound with the door lock in advance, after an APP is started, remote unlocking can be easily achieved, and safer, more convenient and smart life experience is provided for users. In addition, the keyless smart anti-theft lock is complete in function, low in manufacturing cost and popular. Complex design of the lock body of the anti-theft lock is omitted, the functions are complete, the cost performance is high, the lock is safe, convenient and popular, and users can enjoy convenient and safe guarantees with the price equivalent to that of a common anti-theft lock.

The invention relates to a charging valve. The charging valve comprises an integral valve body and a valve element which is longitudinally arranged in an inner cavity of the valve body in a sliding mode. The valve element is packaged in the inner cavity of the valve body through a sealing cap. The valve body is provided with at least one liquid inlet and at least one liquid outlet communicated with the liquid inlet. The shape of the upper portion of the valve element is matched with that of the inner cavity of the valve body. The outer wall of the valve element is closely attached to the inner wall of the valve body, so that part of the inner cavity on the upper portion of the valve body is isolated to form a control cavity. The outer wall of the sealing cap or the outer wall of the valve body is provided with at least one control port communicated with the control cavity. Fluid entering and getting out of the control cavity from the control port can push the valve element to longitudinally move, so that connection and disconnection between the liquid inlet and the liquid outlet are controlled. The valve body is of an integral structure, concentricity is high, and the charging valve is high in pressure resistance, small in size, easy to produce, easy in function implementation, convenient to operate and install and high in universality.

The invention relates to the technical field of a terahertz laser device. In order to lessen the volume of the THz laser device and enhance the conversion efficiency of the THz laser device, the invention discloses a novel THz laser device with high optical quality, low transmission loss, reliability, steadiness and small volume. For the purpose, the technical scheme of the photonic crystal fiber THz laser device is that infrared waves outputted by the laser device are converged to the fiber core of the big-core photonic crystal fiber II through a zinc selenide converging lens, a barium fluoride sealing cap, and a big-core bare fiber adapter I; the output end of the big-core photonic crystal fiber II sequentially passes through a big-core bare fiber adapter II and a bare fiber adapter bushing, and then connects with the big-core bare fiber adapter II and the big-core photonic crystal fiber I; except for the laser device and the zinc selenide converging lens, said components are arranged in an air chamber. The laser device is mainly applied to design and manufacturing of the THz laser device.

The invention discloses a novel capacitive pressure and touch detection method and circuit, which comprises a main control MCU and two metal sheets forming two electrodes of a capacitor, a medium is loaded between the two metal sheets, the main control MCU comprises a GPIO input end and a GPIO output end, the GPIO input end is connected with a first electrode of the capacitor, the GPIO output endis connected with a second electrode of the capacitor, wherein a VIH threshold level or a VIL threshold level of a level comparator is input as a Vc (t) value at a selected t moment; a timing countercounting function and an external input triggering interrupt function of the main control MCU are started; when external input interruption is triggered, a counting value in the timing counter is read, and the counting value reflects the current detected capacitance value; and the main control MCU detects that the capacitance value is changed, so that whether the pressure is increased or decreasedor not and whether touch exists or not can be judged. Not only are the purposes of detecting the pressure change and effectively and stably pressing down and lifting up the touch key achieved, but also the cost of the scheme is low, and a pressure sensor factory is easy to produce.

The invention provides a solid anti-resonance optical fiber for realizing mid-infrared band cut-off-free single-mode transmission, which is characterized by comprising a solid fiber core, a tubular outer cladding layer coated outside the solid fiber core, and six circular solid small tubes coated with tubular inner cladding layers outside the solid fiber core, wherein the circular solid small tubes are uniformly distributed in the solid fiber core in a surrounding manner without contact with each other to form a node-free structure; the solid fiber core and the round solid small tubes are made of materials with low refractive indexes, and the tubular outer cladding layers and the tubular inner cladding layers are made of materials with high refractive indexes, so that a completely solid fiber structure is formed.

The invention discloses a method and a system for acquiring server pressure measurement data, and relates to the technical field of computers. The method is characterized in that in the http request process, the specific time consumption of each step is analyzed, and a chart is drawn for providing data reference for subsequent optimization, such as time consumed by dns analysis, time consumed by tcp three handshakes and time consumed by ssl and the like, and data support is provided for follow-up problem lookup. The method has the advantages that the problem of time consumption of the whole web request process is solved, the time consumption information of each stage is collected, data is summarized, and a report is formed for technicians to refer to, so that the performance problem is solved; effective data support is provided for positioning performance bottlenecks, and in terms of function implementation, simplicity and high efficiency are achieved, and many errors caused by manualcomparison are avoided.

The invention relates to a tunnel structure suitable for a strong-expanding potential fault crushed zone. The tunnel structure comprises a tunnel outer arched ring and a tunnel inner arched ring, thetunnel outer arched ring is made of rubber concrete, and the volume ratio of rubber to stone to sand to cement to water in the rubber concrete is 2:3:2:2.5:0.5. The tunnel outer ring is made of a rubber concrete material and has good impact-preventing and anti-deforming performance, and expansion pressure increased along with increasing of the volume of expanded soil can be reduced. The compact structure and the certain expansion rate are achieved, cracks generated due to change of the temperature of the concrete are effectively prevented, and the durability of a tunnel is improved. Larger deformation is achieved compared with ordinary concrete, thus the effect of the surrounding rock pressure can be effectively reduced, the safety coefficient of the tunnel is increased, and coordinate deformation of a rock soil body and the tunnel is achieved. Large elasticity is achieved, the large outer load can be resisted, and meanwhile damage of the expansion pressure to the tunnel structure canbe reduced. The tunnel structure is simple, reasonable in design, convenient to mount, high in environment adaptation, high in environment-friendly extent and economic and reasonable in manufacturingcost, and thus application and popularization of the tunnel structure are facilitated.

The invention discloses a window controller system based on an LAN network control technology. The window controller system based on the LAN network control technology comprises a wireless communication antenna (1), a window opener (2), a window opener chain head (3), a power supply cable (4), LAN ports (5), a routing function type controller (6), a WAN port (7) and function selection keys (8). The window opener chain head (3) is connected to an external window sash to control opening and closing of a window, the wireless communication antenna (1) is used for receiving communication which is from a single-machine wireless control signal and is used for multi-machine interconnection, and the LAN ports (5) are connected through a twisted pair to achieve mutual transmission of data.