9results about How to "Protect structure security" patented technology

This invention relates to the field of water storage tank operation and management technology, and particularly to an interactive control method and system for urban water storage tank operation and management. The method includes the following steps: acquiring the geometric structural parameters of the water storage tank; setting dynamic boundary parameters based on the geometric structural parameters; wherein the dynamic boundary parameters include a safe water storage upper limit, a recommended emptying water level, and a forced emptying water level; constructing a three-dimensional interactive visual interface containing spatiotemporal constraints based on the dynamic boundary parameters; and performing virtual execution verification in response to the input of interactive operating condition switching commands on the three-dimensional interactive visual interface. Once the virtual execution verification is successful, the equipment linkage pre-simulation sequence is converted into control commands and issued to realize the operation and management of the urban water storage tank. This invention, by constructing a three-dimensional water level dynamic boundary mapping and equipment linkage virtual pre-simulation mechanism, achieves intuitive perception of operating condition switching and water hammer safety verification, thereby solving the problems of difficulty in judging operation timing and the potential for misoperation.

The utility model discloses a wellhead protection structure of underground water monitoring well, including monitoring wellhead stake body, the inside fixed shell of monitoring wellhead stake body has the receiving cavity of the inside sliding of inner shell in the shell, the bottom of both sides of inner shell all is fixed with the sliding block, the both sides wall of shell is through the sliding slot on it with sliding block sliding assembly, to guide inner shell relative shell moves between the unfolding position and the receiving position, the utility model provides a wellhead protection structure of underground water monitoring well, through the sliding fit design of inner shell and shell, makes inner shell can move between the unfolding position and the receiving position. When needing overhauling or operating, can lower inner shell to the receiving position to the operating space of wellhead around is increased significantly, has overcome the defect that the traditional fixed type protection structure is inconvenient to operate, has improved the convenience and efficiency of maintenance operation greatly.

The application discloses an outdoor display stand with intelligent wind-resistant rapid contraction function, belongs to the technical field of outdoor display equipment, and can be widely applied to outdoor scenes such as commercial advertisements, enterprise display and cultural communication. The display stand comprises a base, detachable support arms, a wind force self-adaptive turnover mechanism, a rapid descending linkage mechanism and replaceable display frames. When the wind speed sensor detects that the wind force is too large, the turnover mechanism is triggered to work, the elastic telescopic head compresses the spring to drive the display frame to rapidly turn from a vertical state to a horizontal state, and rapidly descend from the horizontal state to a vertical low position state. The display stand integrates wind-resistant rapid contraction control and modular design, is suitable for complex outdoor environments, widens the use range, improves the safety and the intelligent level, achieves the effects of good display effect, reliable structure and convenient use, and has good social and economic benefits.

The application provides a kind of parallel alternate operation method of reverse osmosis water purification system and water purification equipment, and relates to water treatment technical field, comprising: according to each initial single water production flow calculation can satisfy target water production flow the minimum number of reverse osmosis membrane module as current operation number;Control each branch reverse osmosis membrane module of current operation number forms each operation combination alternately to carry out water supply, in water supply process, real-time detection reverse osmosis system real-time total water production flow, in current operation number is not equal to the total number of reverse osmosis membrane module and real-time total water production flow is lower than the first total water production flow threshold value, current operation number is added one, and in current operation number is not equal to the total number and real-time total water production flow continues to be lower than the second total water production flow threshold value, give reverse osmosis membrane module replacement prompt.The beneficial effect is to fully exploit the remaining use potential of each reverse osmosis membrane, effectively prolongs the actual service cycle of single reverse osmosis membrane module.

The utility model discloses a kind of multi-section tower fan with limiting memory rotating mechanism, including base, multiple sequentially connected shell units, fan assembly and limiting memory rotating mechanism.Each shell unit is rotatably connected with adjacent structure by rotating assembly, and is equipped with limiting structure and angle memory structure.The limiting structure is matched by stop block and limiting groove, and the rotation angle of shell is limited;Memory structure uses magnetic positioning member, and current rotation angle is automatically locked when stopping using, maintains original direction when restarting, without re-adjusting.The structure can realize multi-section air supply angle independent setting and automatic memory, improve tower fan use convenience and personalized experience, and be applicable to multi-direction air supply scene.

The invention relates to the technical field of charging devices of electric vehicles, in particular to intelligent charging equipment for charging new energy automobiles, which comprises a shell, a power module, two cables and two charging guns, the power module is mounted in the shell, the two charging guns are arranged at one ends of the two cables respectively, and the two charging guns are connected with the power module. The ends, not provided with the charging guns, of the two cables are electrically connected with the power module. According to the invention, the intelligent charging equipment is installed on the wall or the ceiling plate, so that the problem that the intelligent charging equipment is easily damaged due to collision of a vehicle due to floor type installation of the intelligent charging equipment is avoided, and the safety of the intelligent charging equipment is ensured; the cable is wound in the intelligent charging equipment, the cable is prevented from making contact with the ground and making friction with the ground, meanwhile, the torque adjusting assembly is arranged in the intelligent charging equipment, the cable is prevented from making contact with the ground due to too many cable outgoing lines, and the integrity and insulativity of the outer surface of the cable are guaranteed.

The invention discloses a concrete pump pipe damping support and a using method thereof. The damping support comprises a first supporting frame and a second supporting frame, the first supporting frame and the second supporting frame are detachably connected and spliced into an annular hole sleeve structure, pump pipe supports are arranged on the inner side of the first supporting frame and the inner side of the second supporting frame through damping springs, and an annular pipe sleeve structure is spliced between the opposite pump pipe supports. The using method adopts the damping support and comprises the following steps that the first supporting frame and the second supporting frame are placed in preformed holes of a building body, the first supporting frame and the second supporting frame are detachably connected and spliced into an annular hole sleeve structure, and the opposite pump pipe brackets are spliced into an annular pipe sleeve structure; the concrete pump pipe in the pipe sleeve structure is buffered and damped through the damping spring between the supporting frame and the pump pipe bracket. The damping device has the beneficial effect that through the synergistic effect of multi-directional spring damping and notch directional energy release, the excellent damping effect is achieved.

The application discloses a universal joint ball pair locking mechanism and medical equipment, and relates to the field of medical equipment. The universal joint ball pair locking mechanism comprises a ball joint and a locking assembly. The ball joint comprises an inner ball head and an outer ball body which are hingedly connected with each other. The locking assembly comprises a first engaging member, a second engaging member and an unlocking driving member. The application realizes rigid locking through the engagement of the first engaging member and the second engaging member. The locking design is not affected by factors such as changes in the friction coefficient and wear, and can stably maintain the relative angle of the inner ball head and the outer ball body, thereby avoiding adverse loosening caused by friction failure and improving the stability of the locking strength. The locking assembly has two states of locking and unlocking. When unlocked, the inner ball head and the outer ball body can be universally adjusted, thereby meeting the requirement of flexible equipment to reach a target position and angle. When locked, stable support is provided through rigid engagement, and the use requirements of flexible adjustment and reliable locking are considered, so that the application is well applicable to application occasions of the stability of equipment operation.

This utility model discloses a high tensile strength and corrosion resistance cable for offshore wind power, comprising a cable core consisting of a central tensile rope and multiple moisture-proof insulated cores; the moisture-proof insulated cores are tangent to the central tensile rope; moisture-proof and water-blocking filler is used to fill the gaps in the cable core; a shielding aluminum-plastic composite tape is wrapped around the cable core; a corrosion-resistant composite layer is provided outside the shielding aluminum-plastic composite tape; a flexible buffer layer is extruded outside the corrosion-resistant composite layer; a steel tape armor layer is provided outside the flexible buffer layer; a PTFE film tape is overlapped and wrapped around the steel tape armor layer; and an outer sheath is extruded outside the PTFE film tape. By optimizing the cable structure and material selection, the tensile strength and corrosion resistance of the cable are improved, while maintaining the cable's flexibility and service life, to meet the high requirements of offshore wind farms for cables.