42results about How to "Avoid changing situations" patented technology

The invention discloses a network address configuration method and system of a network camera and belongs to the field of intelligent monitoring. The method includes the steps that a network address allocator is connected into a network and collects and allocates network configuration information; a camera network protocol is configured, a MAC address of the network camera is obtained, and a corresponding IP address is analyzed; the IP address is sent to the network camera. The system comprises the network address allocator, a protocol configuration module and the network camera. The network address allocator is used for collecting and allocating the network configuration information, and the protocol configuration module is used for configuring a camera network protocol service terminal and a camera network protocol client terminal. The network address allocator and the network camera are in communication and interaction through a camera network protocol. With the network address configuration method and system, the aim of automatically and fast allocating a network address for the network camera is achieved, the working efficiency of constructing a network video monitoring system is greatly improved, and the problem that a current network is limited in DHCP configuration is solved.

The invention belongs to hydraulics experimental model facilities and particularly relates to an electromagnetic lever type water channel gate device for simulating instant dam break. The device comprises a gantry type support, a gate door sheet and an electromagnetic lifting control device. A fixing plate is arranged on the gantry type support, and a guide groove matched with a vertical guide bar on the gate door sheet is fixed to the fixing plate. The electromagnetic lifting control device comprises an electromagnetic attraction disc, an electromagnet block, and a lever hinged to a hinge head fixed to a gantry cross beam. The two ends of the lever are connected with the gate door sheet and the electromagnetic attraction disc through steel cables respectively, and through the attraction effect of the electromagnet block on the electromagnetic attraction disc, instant opening and closing of the gate door sheet are achieved through the lever. Opening and resetting can be automatically achieved, the device is suitable for water channels of multiple sizes, mechanical oscillation generated in the opening process of a gate is greatly relieved, time and labor are saved, electromagnetic control is more efficient and convenient and rapid, and errors can be effectively reduced.

The invention discloses a traction instrument for orthopedic surgery and an operation method thereof, and relates to the technical field of medical instruments.The traction instrument comprises a U-shaped mounting frame, a vertical guide rod is mounted at the top of the U-shaped mounting frame, the vertical guide rod is slidably sleeved with a vertical sliding sleeve, a fastening unit is mounted on the vertical sliding sleeve, and the fastening unit is connected with the U-shaped mounting frame. And the side part of the vertical sliding sleeve is provided with a fixed sleeve through a distance adjusting unit. The traction device is reasonable in structure, when the adjusting knob is rotated, the two traction pieces can be driven to move face to face or back to back, the purpose of conducting traction on skin and flesh at an incision of a patient is achieved, through arrangement of the traction locking assembly, the positive and negative tooth lead screw can be fixed or loosened, and it is effectively avoided that in the operation process, the skin and flesh are damaged. The traction device is simple to operate and convenient to use, the number of required medical staff is reduced, the activity range of attending doctors is widened, and the operation can be carried out smoothly.

The invention provides a microenvironment monitoring simulator which is provided with a sealing box, a gas distribution and production system, a power supply system, a remote control setting out system, an online gas monitoring system, an in-box gas circulation system, a heating system and a control system. The sealing box includes an opening and a sealing door arranged in one side; the gas distribution and production system includes air valves installed in the sidewall of the sealing box, and one inlet valve is provided with an air pressure gauge; the power supply system comprises a power supply interface arranged in the sidewall of the seal box and a power supply positioned outside the seal box and connected with the power supply interface; the remote control setting out system is arranged in the seal box, and comprises an objective table mounting rack and an objective table, an automatic seal cover assembly, a signal receiver and a controller mounted on the mounting rack; the onlinegas monitoring system is arranged in the sealing box, and comprises an installation frame, air inlet and outlet mounted, opposite to each other, in the two sidewalls of the mounting frame, a gas sensor and an exhausting assembly; the in-box gas circulation system is arranged in the sealing box and used to enable uniform distribution of gas in the box; the heating system comprises a heating platemounted in the sealing box; and the control system is arranged outside the sealing box.

The invention discloses a preparation for efficiently inducing chromosome doubling of winter buds of mulberries, and belongs to the technical field of chromosome doubling. The preparation for efficiently inducing chromosome doubling of winter buds of mulberries is specialized for a compound regulator for mulberry winter bud chromosome doubling and has the advantages of simplicity in manufacturing,low cost, convenience in use, higher induction efficiency and better repeatability. With application of the preparation, mulberry winter bud meristem cell differentiation can be induced, chromosome doubled mulberry twigs with high success rate can be obtained, the effect is obvious, and the preparation is suitable for popularization and application in wide mulberry breeding and cultivation in China. Double self-stirring effects can be generated on each ingredient through the self-shaking stirring effect of the self-shaking stirring cone and the similar boiling phenomenon generated when compressed inert gas in the magnetic core balloon leaks so that the uniform mixing of each raw material is accelerated, the difficulty of on-site preparation and on-site use is reduced and the preparation efficiency of on-site preparation and on-site use is effectively improved.

The invention belongs to a hydraulic experimental model facility, in particular to an electromagnetic lever-type water tank gate device for simulating an instantaneous dam break, comprising a gantry-type bracket, a gate door plate and an electromagnetic lifting control device. The gantry type bracket is provided with a fixing plate, and the fixing plate is fixed with a guide groove matched with the vertical guide bar on the gate plate of the gate. The electromagnetic lift control device includes an electromagnetic adsorption plate, an electromagnet block and a lever hingedly connected with a hinge joint fixed on the gantry beam. The two ends of the lever are respectively connected with the gate door plate and the electromagnetic adsorption disk through the steel cable. Through the adsorption of the electromagnet block on the electromagnetic adsorption disk, the lever is used to realize the instant opening and gate entry of the gate door plate. The present invention can be automatically opened and reset, suitable for various sizes of water tanks, greatly reduces the mechanical shock during the opening process of the gate, saves time and labor, the electromagnetic control is more efficient and convenient, and can effectively reduce errors.

The invention discloses a glue pouring clamp of a travelling wave tube electron gun. The glue pouring clamp is an n-shaped container and further comprises a diversion container, a through hole is arranged in the side surface, which is close to the bottom end of the electron gun, of the diversion container, when the diversion container and the n-shaped container are fixedly connected, the bottom end of the diversion container maintains level with the bottom end of the n-shaped container, the height of the diversion container is greater than that of the n-shaped container, and a through hole communicating with the through hole of the diversion container is arranged in the side surface, which is close to the bottom end of the electron gun and is in contact with the diversion container, of the n-shaped container. By using the glue pouring clamp and the glue pouring method, secondary bubble discharge processing is unnecessary, and thus the labor, time and energy cost is reduced; change of the magnetic field value of a magnet ring, result from change of the temperature of the rare earth magnet ring, caused by affected heat conduction of a travelling wave tube due to silicone rubber mingled in the gap between the travelling wave tube and a base plate, is prevented; and the situation where dynamic parameters of the travelling wave tube are changed in a silicon rubber removing process is avoided.

The invention provides an in-situ stretching device for X-ray test, which comprises: a frame body, the frame body has a connection structure, and the connection structure can be fixedly connected with the test bench of the detection equipment; the stretching mechanism is arranged on the frame body Above: the clamping mechanism, including two clamping modules arranged symmetrically along the length direction, the two clamping modules are used to clamp the two ends of the test piece, the test piece has a test surface, and the test surface is located on the surface of the two clamping modules , the stretching mechanism is drivingly connected with the two clamping modules, so that the two clamping modules move towards each other or reversely synchronously, and the clamping module is detachably connected with the stretching mechanism. Through the technical scheme provided by the invention, the problems of complicated operation and poor test result accuracy in the prior art can be solved.

The present application provides a method and a device for listening a data node. The method comprises the following steps of: using a listener to listen a target data node; sending a notification request to a client registering the listener if the listener listens that the target data node changes; and retaining the listener so as to continue to listen the target data node. The method and the device can retain the listener without deleting after the listening operation; therefore, the target data node can be repeatedly listened, and the situation that the change of the target data node is missed during from the deletion of the listener to the newly-building of the listener can be avoided, so that the problem that the change of the target data node is missed during from the deletion of thelistener to the newly-building of the listener is solved. The client only needs to send a registration request to a server once, and does not need to send the registration request to the server multiple times; therefore, the number of network interactions between the client and the server can be reduced, so that the network resource is saved and the listening mechanism operation is simplified.

The invention provides a data reading method of a split gate type double-bit memory cell flash memory. A traditional manner of taking a current of a reference cell under a state of ''11'' as a read judgment standard is changed into a pattern of taking a current of the reference cell under a state of ''10'' multiplied by a fixed proportion as the read judgment standard, so that the sensing margin can be guaranteed and the reliability of data reading of the split gate type double-bit memory cell flash memory can be improved; yield loss caused by programming performance differences between differentlots can be avoided by means of calculating a current average value of a plurality of reference cells; further, after the split gate type double-bit memory cell flash memory is erased by block every time and before a new round of data reading is carried out, each reference cell is re-programmed, and each reference cell is reset to be the state of ''10'', so that the condition that the current value of the reference cell under the state of ''10'' is affected and changed due to the programming strongaftererasure by block can be avoided, and the reliability of data reading of the split gate type double-bit memory cell flash memory can be further improved.

The invention belongs to the technical field of pipeline robots, and particularly relates to a walking method of a pipeline robot, including: a method for a pipeline robot to fit a pipeline wall, a method for a pipeline robot to walk in a pipeline, and a method for turning in a pipeline, which can Solve the problem that the existing pipe robots cannot cope with some special-shaped pipes, and cannot change the thickness, and cannot enter the thin pipe from the thick pipe, so the applicable size is very limited, and the pipes with different curvatures cannot be turned, causing the pipe A problem where the applicability of the robot is limited.

The present invention provides a plasma processing device and a plasma processing method. In the plasma processing device disposed with an impedance regulating part between the anode electrode and the processing capacitor, the impedance of the impedance regulating part can be regulated easily and properly, to inhibit abnormal discharge. The plasma processing device includes: a high frequency power source for voltage bias; an impedance regulating part; a voltage measuring part for measuring the voltage of the impedance regulating part; a band-pass filter between the impedance regulating part and the voltage measuring part; and a control part, changing the impedance value of the impedance regulating part when the plasma generates, meanwhile obtaining the voltage value measured by the voltage measuring part, according to the voltage value, calculating the current value flowing into the anode electrode, so that the current value becomes maximum or the impedance value of the impedance regulating part is set by neighbouring manners.

The invention discloses a fault location method and system for a distribution network with a high-permeability distributed power supply. The method includes: S1: when a fault occurs in a distribution network with a high-permeability distributed power supply, the grid power detection point and The distributed power grid-connected point detects the sudden change and collects the A, B, and C three-phase current and voltage of the current transformer and voltage transformer at the grid power detection point and the distributed power grid-connected point; S2: Thevenin equivalent of the distributed power , calculate the positive sequence, negative sequence, zero sequence Thevenin equivalent impedance of the distributed power supply, and then establish the bus impedance matrix; S3: construct the fault index to identify the fault interval; S4: construct the virtual bus to locate the fault point. The invention performs normalization processing on distributed power sources, establishes models suitable for various types of distributed power sources, and ensures that the established busbar impedance matrix has nothing to do with the types of distributed power sources.

The invention relates to a cone film thickness testing device which comprises a testing base and a probe fixing seat fixed on the testing base. The testing base comprises a testing bottom plate and a lateral supporting plate fixed on the testing bottom plate, and the probe fixing seat comprises a sleeve, a fixed ring seat and a fixing clamping ferrule. The testing bottom plate is used for placing the cone to be tested, the lateral supporting plate is used for fixing the fixed ring seat, and the fixing clamping ferrule is fixed on the fixed ring seat. The fixing clamping ferrule and the fixed ring seat are used for being matched with the sleeve which is used for fixing a probe of a film thickness testing instrument to enable the probe of the film thickness testing instrument to cling to the surface of the cone to be tested. By means of the cone film thickness testing device, the change of the testing benchmark caused by moving the probe of the film thickness testing instrument is avoided, and testing accuracy is improved. The invention further relates to a manufacture method of the cone film thickness testing device.