16results about How to "Perfect protection function" patented technology

The invention relates to a road slope protection structure beneficial to protection of nesting of animal Merops philippinus and an application method of the road slope protection structure, and relates to the technical field of wild animal protection and environmental protection. The rain baffle can be fixed to the top of the side slope through the fixing anchor rods, the threaded supporting rods are in threaded connection with the threaded lantern rings and are supported by a gentle slope at the top of the side slope, the fixing angle steel is fixed to the top of the gravel ecological bag through the fixing anchor rods, and then the fixing plate is fixed to the surface of the side slope through the fixing anchor rods; the three-dimensional vegetation net encloses the gentle slope at the bottom of the side slope, so that the gentle slope at the top of the side slope is prevented from being scoured by rainwater, nests of the caves of the caves are prevented from being flushed away by gullies, and loss of water and soil is reduced. In addition, the invention further provides a method for protecting the breeding habitat of the castanea mollissima, and the method specifically aims at how to protect the breeding habitat of the castanea mollissima in the highway operation period, how to protect the breeding habitat of the castanea mollissima in the highway operation period and how to update and maintain nests of side slopes after the castanea mollissima leaves the nests and flies away. And further research can be carried out by utilizing the slope to breed in the first year or several years in the future.

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 relates to the technical field of electric power construction discloses a kind of electric power engineering temporary cable protection groove structures of quick splicing, including roof, the bottom left side of top plate is uniformly connected with a plurality of clamping blocks, the outer wall of clamping block is connected with base, the top left side of base is uniformly provided with a plurality of clamping slots, the outer wall left side of base is equipped with arc slot, the inner wall of arc slot is connected with a plurality of clamping cone, the adjacent side of multiple clamping cone is uniformly connected with connecting plate, the adjacent side of multiple connecting plate is uniformly rotatably connected with shaft, the outer wall of shaft is rotatably connected with connecting rod.In the utility model, base is placed upside down on the ground, side plate is aligned, pull plate is pulled, clamping cone is aligned with arc slot, pull plate is loosened, clamping cone is clamped into arc slot, the combination of side plate and base is completed, cable passes through the inner wall of base, then roof and base are combined, the purpose of quick splicing protection groove is achieved.

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.

The present application relates to metal cable trough box roller resistance welding technical field, specifically relates to a kind of fireproof sealed type metal cable trough box and its production with assembly welding equipment, including workbench and cable trough box body, the inside of the workbench is provided with through groove, the top and bottom of the one end of the through groove are all equipped with several support rollers by bearing support rolling installation, the outside of the support roller is movably sleeved with hollow air bag conveying belt, the one side of the hollow air bag conveying belt is equipped with valve core valve;Cable trough box body rolls to the opposite side of hollow filling conveying belt, to form heat conduction path inside hollow metal roller and hollow filling conveying belt and flow guide pipe, reduce the heat dissipation of resistance welding, increase the heat dissipation effect, reduce deformation, by the metal heat conduction of cable trough box body itself, heat can be exported by heat conduction mode after resistance welding is completed, and by flexible protection, the protection effect of structure is increased.

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 invention provides a plastic packaging bag heat-sealing treatment device, and belongs to the technical field of packaging bag production, the plastic packaging bag heat-sealing treatment device comprises a heat-sealing table, a fixing frame and an extrusion frame, the fixing frame and the extrusion frame are arranged on the heat-sealing table, a placing table is mounted on the heat-sealing table, and a first heat-sealing block is mounted on the inner wall of one side of the placing table. According to the plastic film heat sealing device, a smoothing rod is matched with a first heat sealing block to smoothen plastic films on the two sides of a sealing opening before heat sealing, the situation that heat and pressure cannot be evenly transmitted to the films due to the fact that the films are flattened in the heat sealing process is avoided, the packaging integrity is improved, the protection function on internal food is improved, and meanwhile after the plastic films on the two sides are smoothed before heat sealing, the packaging quality is improved. Before the packaging bag is subjected to heat sealing, the heat-sealing tail end of the plastic film is clamped and fixed through moving of a positioning strip in cooperation with a first heat-sealing block, so that the inner space of the packaging bag and the space of the heat-sealing position are blocked, and the situation that harmful gas enters the food packaging bag, pollutes food in the food packaging bag, and consequently the food goes bad or carries toxic substances is avoided; therefore, the food safety is improved.

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.

The present invention relates to an occupant protection device, and provides an occupant protection device capable of improving the occupant protection function. The airbag (121) of the occupant protection device (101) is connected from behind the head of the occupant (P) through the front of the shoulder and the side of the thigh, and is connected at the lower part of the lower limbs, and is deployed in an inverted V shape to surround the occupant (P). Therefore, it is possible to cope with various collision types such as front collision and side collision, thereby improving the protection function for the occupant (P). In addition, tension is applied in the direction opposite to the side where the occupant (P) falls at the top and bottom, so that the impact itself applied to the occupant (P) can be alleviated, thereby improving the occupant protection function.

A scribing tool for determining the center of a box body through concave and convex positions relates to the technical field of box body machining and comprises two transverse plates arranged in parallel, a scribing plate arranged between the two transverse plates and a scribing hole formed in the scribing plate, and the circle center of the scribing hole is aligned with the centers of the transverse plates. Fixed-point columns in sliding fit in the length direction of the transverse plate are arranged at the two ends of the transverse plate correspondingly, the two fixed-point columns are hinged to a center linkage mechanism arranged on the transverse plate, so that the two fixed-point columns are in central symmetry with the midpoint of the transverse plate as the symmetry point, and the ends, away from the transverse plate, of the two fixed-point columns are used for being in sliding fit with central-symmetry concave-convex positions on the box body; the center linkage mechanism comprises a center sliding plate vertically sliding in the center of the transverse plate, and the center of the end of the center sliding plate is connected with a linkage hinge plate connected with the fixed point column. And a worker is assisted to quickly and accurately draw a center line on the corresponding side surface of the box body as a reference.