8results about How to "Resolve vulnerable" patented technology

The application discloses a switch cabinet for a ship, which comprises a cabinet body, a suspended drawer fixing mechanism, a heat dissipation and air exhaust fan and an air inlet waterproof mechanism. The top of the cabinet body is provided with an air exhaust cavity, the bottom is provided with an air inlet cavity, and the inner walls of the two sides are provided with rail strips. The suspended drawer fixing mechanism slides along the rail strips and is connected with bus terminals. The drawer main body is stably locked through the cooperation of linkage mechanisms such as control rods, connecting rods, swing rods, sliding plates and positioning blocks and positioning holes, so that the stable operation of electrical components under the bumpy environment of ship navigation is ensured. An air flow channel is formed in the cabinet body from bottom to top, cold air passes through multiple drawer main bodies in sequence and is exhausted under the action of the heat dissipation and air exhaust fan, so that the uniformity and efficiency of heat dissipation are improved. The air inlet waterproof mechanism is arranged above the air inlet cavity, a desiccant net barrel is used for dehumidification, and a lifting sleeve drives a sealing plate and a rubber sealing gasket to realize multi-layer sealing under the action of the buoyancy of the buoy, so that the accumulation of water into the cabinet body is prevented, and the safety of electrical components is ensured.

This utility model relates to the field of soft-seal ball valve technology and discloses an anti-chewing soft-seal ball valve, including a valve body, a valve stem rotatably connected inside the valve body, connecting pipes fixedly connected to both sides of the valve body, a protective component and a dispersion component provided on the side wall of the valve body; the protective component includes a first protective cover, one side wall of which is slidably connected to the side wall of the connecting pipe, a second protective cover rotatably connected to one side wall of the first protective cover, and a fixed frame fixedly connected to one side wall of the second protective cover. In this utility model, by sliding the first protective cover to a suitable position on the connecting pipe, pulling the connecting rod causes the locking pin to retract into the connecting frame and compress the first spring; rotating the second protective cover to wrap around the valve body releases the connecting rod, and the first spring resets, causing the locking pin to insert and fix, thus achieving rapid fixation of the protective cover, solving the problem of soft-seal ball valves being easily chewed by animals and causing component damage, and improving the ease of installation of the protective structure.

The utility model provides a kind of protective cover and vehicle with it.The protective cover includes: fixed support, fixed support is used to be connected with vehicle body;Protective cover shell, protective cover shell is set on fixed support, protective cover shell has accommodating space, accommodating space is used to accommodate electrical part of positioning system, the outer surface of protective cover shell is provided with mounting portion, and mounting portion is used to install positioning antenna;Wherein, mounting portion includes mounting protrusion, and mounting protrusion is set out from the outer surface of protective cover shell, and electrical connection hole is opened on mounting protrusion, and electrical connection hole is communicated with accommodating space and is set, and mounting protrusion is used to install positioning antenna;Positioning antenna includes antenna assembly and antenna shell, antenna shell includes lower shell and upper shell, and lower shell and upper shell are enclosed into antenna accommodating cavity, and antenna accommodating cavity is used to accommodate antenna assembly, and lower shell is opened with antenna via hole.The present scheme solves the problem that existing technology is vulnerable to damage caused by exposed positioning system components.

The utility model relates to special carbon material processing equipment technical field discloses a special carbon material forming press with pre -press function, including base, the base side wall fixedly connected with guide post, the guide post side wall fixedly connected with top plate, the top plate inside fixedly connected with hydraulic cylinder, the hydraulic cylinder output fixedly connected with slide, the slide side wall is provided with buffer assembly, and the base inside is provided with top die assembly, the buffer assembly includes damper, the slide bottom fixedly connected with connecting column, the guide post side wall slidingly connected with press plate, the press plate side wall fixedly connected with connecting frame, in the utility model, hydraulic cylinder drives slide to slide down, and the connecting column, connecting block etc. linkage, buffer through damper and extension spring cooperation, make force gradually to press plate to pre -press, press material, solved the problem that special carbon material is easy to break down because of excessive impact, improved the quality and stability of pre -press and press.

This utility model relates to the technical field of smart home control, and in particular to a control switch for smart homes, including a mounting base with a protective locking mechanism on one side surface of the mounting base. This smart home control switch, through the protective locking mechanism, solves the problem of inconvenient opening and closing of existing protective structures, enabling flexible opening and closing of the protective cover for easy operation and maintenance of internal components. The inclusion of a release button, a reset spring, and circuit pads allows for precise control of smart home devices, improving control reliability. The rough surface on the outer side of the control knob facilitates user selection of different smart home devices, enhancing operational convenience. The design of the charging port, mounting base, protective cover, and release block solves the problem of easily damaged charging ports, ensuring the safety and stability of the charging port, extending the device's lifespan, and improving the overall safety and stability of the device.

The rock dynamic compression testing device and testing method are provided, which comprise a Hopkinson pressure bar testing system, an acoustic emission detection device is arranged between an incident rod and a transmission rod, the acoustic emission sensor protection device is made of a material with high axial stiffness, and comprises a protection device upper shell and a pair of protection device side shells, which form a ring-shaped shell, a sample is located in the ring-shaped shell, a side shell main track and a side shell auxiliary track are arranged on each of the pair of protection device side shells and are arranged in parallel, an acoustic emission sensor is installed on the side shell main track, an acoustic emission sensor back baffle outside the acoustic emission sensor is installed on the side shell auxiliary track through a back baffle diagonal screw nut 7, and the acoustic emission sensor is connected with a data processing system through a data acquisition line. The rock dynamic compression testing device and testing method can protect the acoustic emission probe during dynamic loading and will not affect the damage characteristics and strain distribution of the rock determined by the acoustic emission detection system.

The application provides an impact-resistant damper. The impact-resistant damper comprises an eddy current damping unit and a buffer damping unit. The eddy current damping unit comprises a ball screw drivingly connected with a controlled structure and a fixed outer sleeve arranged outside the ball screw. The buffer damping unit comprises a resilient stiffness member arranged close to a driving connection end of the ball screw. One end of the resilient stiffness member is sleeved outside a screw rod of the ball screw, and the other end of the resilient stiffness member is connected with the outer sleeve. When the controlled structure reaches a preset displacement value or a preset impact value, one end of the resilient stiffness member is deformed to start the buffer damping unit. The application has the advantages of guaranteeing the vibration reduction and impact resistance effect of the controlled structure under large displacement and impact, compact structure and the like.

The application discloses a kind of electromagnetic pulse attack rapid detection device, it is related to photoelectric field, the device includes antenna module, attenuation filter module, detection comparison module and photoelectric conversion module, antenna module is connected with attenuation filter module, attenuation filter module is connected with detection comparison module, detection comparison module is connected with photoelectric conversion module;Antenna module is used to collect electromagnetic wave signal, and electromagnetic wave signal is converted into electrical signal, attenuation filter module is used to divide electrical signal according to frequency band, detection comparison module is used to compare after dividing electrical signal and output trigger signal according to comparison result, photoelectric conversion module is used to convert trigger signal into optical signal.The application can work stably under strong electromagnetic pulse environment, and can effectively improve the detection ability to electromagnetic pulse.