10results about How to "Perfect protection function" patented technology

The application discloses an explosion-proof liquid crystal display screen and relates to the technical field of explosion-proof liquid crystal display screens.The explosion-proof liquid crystal display screen comprises a base, a supporting seat fixed on the top of the base, a screen hinged on the top of the supporting seat, an outer frame fixed on the outer wall of the screen, and a square frame slidingly connected to the inner wall of the outer frame.When the square frame is impacted from the front side, the square frame moves towards the outer frame, and the compression of the return spring drives the square frame to move the transmission rod, further drives the L-shaped plate and the large limiting rod to move away from the outer frame.When the large limiting rod is separated from the rotating rod, the rotating rod and the protection plate are rotated under the return action of the large torsional spring, so that the protection plate is counterclockwise rotated to be parallel to the screen.When the screen is impacted from the front side and is tilted backward, the protection plate shields the screen to prevent sparks caused by secondary damage.

The utility model discloses a good wear resistance's PE water supply pipe relates to PE water supply pipe technical field. Including the water pipe main part, the right side end of water pipe main part is inserted with the connecting sleeve, and the connecting sleeve is fixed between the connection of locking mechanism and water pipe main part, and the locking mechanism includes the limiting ring and the thread cover, and the inner wall of water pipe main part is provided with first protection mechanism, and first protection mechanism includes first elastic coating, antistatic coating and bacteriostatic coating, and the outer surface of water pipe main part is provided with second protection mechanism, and second protection mechanism includes second elastic coating, temperature insulation coating, fire -retardant coating and wear -resisting coating. The utility model increases the elasticity and wear resistance of water pipe main part inner and outer side wall, makes water pipe main part have better wear resistance, makes it not easy to be damaged when being washed and rubbed, prolongs the life, and simultaneously, the connection between adjacent water pipe main part is more compact, and the protection function of water pipe main part end is increased, makes the connection more stable and firm.

The application relates to an active air intake grille and a vehicle, which comprises a grille frame, the grille frame comprising an air inlet and a mounting boss for supporting a front bumper; a vane group is arranged in the air inlet, the vane group being located between a cooling module and the front bumper, and two end portions of the vane group being located on two sides of the cooling module; a wind deflector is arranged around the air inlet and extends towards the front bumper, the wind deflector being made of soft material; and the wind deflector is located below the mounting boss. The application can improve the air intake amount and cooling performance of the grille and enhance the pedestrian protection function.

The utility model provides a BMS self-power-off control circuit, which comprises an isolating switch, a main circuit with an output side and a driving circuit with an input side, and is characterized in that the main circuit is connected in series in a power supply loop of a DCDC power supply module of a BMS; when the driving circuit has a driving current, the isolation switch is in a conducting state. The auxiliary battery cell BAT1 is connected with the driving circuit and the resistor R1 to form a driving loop and is used for providing an initial starting power supply for the driving circuit; the switching tube Q1 is connected with a controller of the BMS and used for connecting or disconnecting the driving loop, and the switching tube Q1 is disconnected to enable the BMS to be powered off; and the external key SW is arranged in parallel with the switching tube Q1 and is used for conducting the driving loop and triggering the energy storage battery system to start up. The self-power-off control circuit provided by the utility model can realize a BMS self-power-off function under specific conditions, and improves the standby time, safety and cycle life of the battery.

The art design display rack with the protection function comprises a base, four universal wheels are fixed to the bottom of the base, a supporting mechanism penetrating to the bottom of the base is fixed in the base, and a rotating disc is rotationally connected to the top of the base; a driving gear rotationally connected with the interior of the base is meshed with the outer surface of the rotating disc, a first motor fixed to the interior of the base is fixed to the bottom of the driving gear, and a driven gear rotationally connected with the interior of the base is meshed with the outer surface of the rotating disc. According to the artistic design display rack with the protection function, the display rack body is moved to a designated position through the universal wheels, the supporting mechanism is started, the supporting mechanism stretches out of the interior of the base, and the display rack body can be fixed and supported through operation of the supporting mechanism, so that the display rack body can be fixedly placed on the ground and is prevented from moving during use, and the practicability of the display rack body is improved. And the display rack is prevented from being damaged and pedestrians are prevented from being injured.

The utility model discloses a power-on slow start protection circuit based on STM32, and belongs to the technical field of alternating current servo drivers. The circuit comprises a power-on slow start control circuit, a dynamic electric slow start circuit and a bus capacitance circuit. After the dynamic electricity is powered on, firstly, a bus capacitor is charged through a current-limiting resistor in the dynamic electricity slow starting circuit, meanwhile, the bus voltage is detected in real time, and when the bus voltage reaches starting voltage, a control module sends out a PRON control signal to a direct-current relay in the power-on slow starting control circuit. After a direct-current relay in the dynamic electricity slow start circuit receives a start signal of the power-on slow start control circuit, a normally open contact of the direct-current relay is closed, a current-limiting resistor is bypassed, and all power currents pass through the contact of the direct-current relay. The peripheral circuit is simple in structure, the design cost of system hardware is reduced, the power-off protection function is improved, the reliability of the system is improved, the domestication requirement of devices is met, and the special requirement of military equipment for the servo driver is met.

The invention provides an electric switch, which comprises an insulating shell and internal elements, and is characterized in that the internal elements comprise at least one set of non-current overload heating thermal protection device, a set of current overload thermal protection device, a front-end power supply wiring device, a rear power supply wiring device, a moving contact device, a static contact device, a tripping mechanism and an operating mechanism; one set of non-current overload heating thermal protection device and one set of current overload thermal protection device are correspondingly arranged in the front-end power supply wiring device and the rear power supply wiring device, or two sets of non-current overload heating thermal protection devices are correspondingly arranged in the front-end power supply wiring device and the rear power supply wiring device; the non-current overload heating thermal protection device and the current overload thermal protection device are respectively provided with a thermal element, and the thermal elements drive the tripping mechanism to act to enable the switch to trip to disconnect the circuit. According to the invention, the protection function of the electrical switch under the overheating condition caused by non-abnormal current is added, and a control unit can not be arranged on the switch, so that the cost is greatly reduced.

This invention provides a seat back that adequately ensures the thickness of the headrest cushion to enhance protection for the head or neck of the occupant. The seat back of this invention includes: a seat back frame (10) serving as the skeleton of the seat back; a headrest (30) supporting the head of the occupant; and a headrest post (40) attached to the upper part of the seat back frame and supporting the headrest, wherein the headrest post has: a fixing portion (41) fixed to the upper front surface of the seat back frame; and a first curved portion (42) extending rearward from the fixing portion.

One aspect of this disclosure provides a wire harness that enhances the protective function of the wire component. The wire harness (10) according to one aspect of this disclosure comprises: a wire component (20); a cylindrical outer component (30) covering the outer periphery of the wire component (20); a first path limiting member (40) fitted to the outer periphery of the outer component (30); and a second path limiting member (50) fitted to the outer periphery of the first path limiting member (40). The first path limiting member (40) has: a first main body portion (41) covering a portion of the outer periphery of the outer component (30); and a first insertion port (42) formed by two circumferential ends (44) in the first main body portion (41), configured to allow insertion of the outer component (30). The second path limiting member (50) has: a second main body (51) that covers a portion of the outer periphery of the first path limiting member (40); and a second insertion port (52) formed by the two circumferential ends (54) in the second main body (51), configured to allow insertion of the first path limiting member (40).

The present invention provides a protection facility for an overhead power transmission line using an aviation fault lamp, in which a first and a second rotary moving lamps which slide in first and second directions while rotating in first and second wind are arranged on the overhead power transmission line, and at this time, ELEDI light of a first and a second ELEDI modules can be irradiated outward with the movement of the first and the second rotary moving lamps. And the recognition capability of the overhead transmission line is further improved in the day or at night with less solar radiation, so that the overhead transmission protection function of aircrafts around the overhead transmission line is improved, and the flight performance of the overhead transmission line is further improved. Various embodiments related to an overhead power transmission line protection facility utilizing an aviation fault light are described, according to one embodiment, a protection facility for an overhead power transmission line utilizing an aviation fault light, without rail movement; a first rotary moving lamp; and a second rotary moving lamp, and in addition, various other embodiments can be provided.