31results about How to "Stable power supply performance" patented technology

The invention provides a bird repelling device, and belongs to the technical field of bird repelling devices for electricity power. The device comprises a bottom plate, a self-rotating device, a reflecting body, a control system and a bird repelling mechanism; the self-rotating device comprises a rotary shaft, a shaft sleeve and multiple wind bowls; the reflecting body is of an umbrella-shaped structure enclosed by multiple arc blades; the reflecting body is connected with the rotary shaft; the control system comprises a photovoltaic assembly, a controller, a storage battery and an infrared sensor; the output end of the photovoltaic assembly is connected with the storage battery through a charge discharge module; the output end of the charge discharge module is connected with the input endof the controller, and the output end of the infrared sensor is connected with the input end of controller; the bird repelling device comprises an acousto-optic alarming device, a sound generating plate and a smell dispersing assembly. According to the bird repelling device, three manners of optical reflection, noise and flash light can be utilized by the device to repel birds, the nest buildingand activities in the periphery of a power transmission pole of the birds can be effectively avoided to reduce problems of short circuit, grounding fault and the like caused by the activities of the birds are reduced, and the safety running of power transmission wires is ensured.

The invention relates to an ethylene-propylene-diene monomer material used for an electric wire and a preparation method of the ethylene-propylene-diene monomer material. The ethylene-propylene-diene monomer material comprises the following components in parts by weight: 85-115 parts of an ethylene-propylene-diene monomer, 2.5-10 parts of acrylic acid, 1.5-7 parts of sodium stearate, 1.5-6 parts of an initiator, 2.5-8 parts of an antiager, 0.5-1.5 parts of an inorganic filler and 1-2 parts of a fire retardant. According to the preparation method, a mixture is added to a double-screw extruder to carry out extrusion pelleting. The ethylene-propylene-diene monomer material used for the electric wire is high in strength, good in anti-aging, good in flame retardant property, stable in power supply property and convenient to process.

The invention relates to a low-voltage starting circuit capable of bearing a high voltage and having a reverse-phase protection function. The low-voltage starting circuit mainly comprises a first switch transistor and a second switch transistor which have different NP polarities and are alternatively turned on, wherein switch pins of the first switch transistor and the second switch transistor are different from each other and are connected to a power supply input end and a power supply output end; a grid of the first switch transistor is coupled on a node of a voltage-stabilizing circuit; a grid of the second switch transistor is connected on a node of a switch control unit; and the switch control unit comprises a voltage division circuit, a multi-stage switch control circuit, a voltage hysteresis circuit and a working mode, in which an output voltage is acquired by the power supply output end corresponding to an input voltage of the power supply input end through the circuit. Therefore, the working range can be enlarged by using an effectively simplified circuit and the reverse-phase protection function is achieved. Simultaneously, the low-voltage starting circuit can be started at a low voltage or the high voltage, and stable power supply effect can be kept when the voltage hysteresis circuit is in a critical state of high and low-voltage frequent variations.

An aircraft antenna beam selection controller is installed on an aircraft, and a relation model of an angle of a target point relative to an antenna coordinate system and beam performance is preset inthe aircraft antenna beam selection controller; before the aircraft takes off, longitude and latitude height information, a take-off point and take-off direction information of a communication targetpoint are bound; in the flight process of the aircraft, flight parameter data are received in real time, the angle of the communication target point relative to the antenna is calculated through theinformation, the angle is substituted into the relation model of the angle of the target point relative to the antenna coordinate system and the beam performance, and an optimal beam is selected; andthe beam selection controller uses the selected optimal beam to receive and transmit data through the IO control antenna to realize data communication between the aircraft and the target point. According to the controller, high-efficiency and high-dynamic communication can be realized in a low-cost manner.

The invention relates to an extension type socket panel. The extension type socket panel comprises a socket panel body (1), a jack power supply module (2), an insulated line collection box (3), an insulated jack module box body (5), a restoring force winder (6) and an extension guide wire (7). Based on the technical scheme, the components can be arranged and connected to form the extension type socket panel, and the extension type socket panel can have an outwards extending function while an appearance of an existing socket panel is reserved, and the extension type socket panel is more convenient and quicker to use.

The invention discloses a universal type connecting device for an emergency power supply vehicle and a low-voltage overhead line. A connecting device is arranged between the emergency power supply vehicle and the low-voltage overhead line. One end of the connecting device is connected with the emergency power supply vehicle, the other end is connected with the low-voltage overhead line, and circuit connection with an isolation protection function is established between the emergency power supply vehicle and the low-voltage overhead line. The connecting device comprises an insulated cross arm assembly and a switch cabinet. An emergency power supply of the emergency power supply vehicle firstly passes through the switch cabinet and then is connected with the insulated cross arm assembly through a pole climbing cable connected with the switch cabinet, and the pole climbing cable is connected with a circuit of the low-voltage overhead line through the insulated cross arm assembly. The universal type connecting device is applicable to the fields of providing emergency protection, power generation and on-load transformer replacement work for customers along the low-voltage overhead line in a transformer area. The connection is reliable. A power supply effect is stable. The security is good. The universal type connecting device also can match the performance of novel working projects such as replacement of a transformer and a drop fuse under load.

The invention provides a bird repelling device comprising a bottom plate, a rotation device, a reflecting body, a control system and a bird repelling system; the rotation device comprises a rotating shaft, a shaft sleeve and a plurality of fan blades; the reflecting body is of an umbrella-shaped structure defined by a plurality of arc-shaped blades; the reflecting body is connected with the rotating shaft; the control system comprises a photovoltaic module, a control cabinet, a controller, a storage battery and a plurality of infrared sensors; the output end of the photovoltaic module is connected with the storage battery by a charging and discharging module; the output end of the charging and discharging module is connected with the input end of the controller; the output ends of the infrared sensors are connected with the input end of the controller; the bird repelling system comprises a heater and a player; and the input ends of the heater and the player are respectively connected with the output end of the controller. By using the bird repelling device provided by the invention, birds can be repelled in three ways such as light reflection, noise and high temperature, the birdscan be effectively prevented from nesting on a transmission tower or moving on accessories, problems such as short circuit and grounding faults of lines, caused by bird activities, can be reduced, andthe safety operation of an electric transmission line can be guaranteed.

The invention discloses a novel multi-power sailing boat, belongs to the technical field of sailing boats, and particularly relates to a novel multi-power sailing boat. The sailing boat comprises a boat body, a wind power generation device, a solar power generation device, a sea wave power generation device and a fixed rack; the wind power generation device, the solar power generation device, the sea wave power generation device and the fixed rack are fixedly connected with the boat body. The wind power generation device, the solar power generation device and the sea wave power generation device are arranged in the sailing boat, so that various power sources can be provided for the sailing boat; a stainless steel fixing rack is further arranged on the sailing boat, so that the boat body can be reinforced, the boat body is firmer, and the sailing boat is safer during driving; water spider foot-shaped electric paddles are further arranged on the fixed rack of the sailing boat, and the running speed of the boat body can be increased; a water sealing ring bag structure is further arranged on the periphery of the boat body, a protection layer can be formed on the periphery of the boat body, stable operation of the boat body is protected, and the sailing boat has excellent safety performance.

The invention provides a circuit breaker, a power supply device and a power supply method. The power supply device comprises a current transformer, a current sensor and a control circuit, wherein the current transformer comprises a magnetic ring and a primary-side winding, and the primary-side winding is wound on the magnetic ring; the current sensor is used for sensing current of the primary-side winding; the control circuit comprises a control unit and a secondary-side winding, the control unit is electrically connected with the current sensor and the secondary-side winding, and the secondary-side winding is wound on the magnetic ring and is arranged opposite to the primary-side winding; when the current sensor senses that a value of the current in the primary-side winding is greater than a first preset threshold or the change rate of the current in the primary-side winding is greater than a second preset threshold, the control unit controls the size of the current in the secondary-side winding. The circuit breaker, the power supply device and the power supply method are conducive to reducing the production cost and reducing the size of the power supply device, and can stabilize the power supply performance and prolong the service life of the power supply device.

The invention discloses an intelligent automobile data recorder system, which is provided with a power circuit, a central processor, a memory circuit, a CAN driver, a power failure detection circuit, a sensor circuit and an interface circuit, wherein the power circuit comprises a photovoltaic panel, a collecting circuit, a power controller and a power supply circuit which are connected in series; the power supply circuit is connected with the central processor; a main power circuit is arranged in the power supply circuit; a diode D4 and a central processor power supply circuit are arranged in the main power circuit; and an input voltage stabilizing circuit, a diode D2, a resistor R2, a diode D3, a capacitor C5, a capacitor C6, a power chip IC1, a capacitor C7 and a capacitor C8 are arranged in the central processor power supply circuit. The main power circuit of the power circuit is formed by using solar power supply, the solar energy in clean energy can be effectively utilized, the solar energy is converted into electric energy, and the main power circuit is powered, so that non-renewable resources are effectively saved.

The invention discloses a wave and heave coupled power generating device. A supporting mechanism is of a supporting barrel structure. A syphon mechanism comprises syphon holes and a diversion fan stand. The diversion fan stand protrudes and extends outwards from the outer wall of a supporting barrel. The syphon holes are formed in the outer wall of the supporting barrel relative to the lower end of the diversion fan stand. A self-elevating mechanism comprises a pulley seat, a pair of large pulleys and a pair of small pulleys. An inner coil and an outer coil of a coil assembly of a wave energyconversion mechanism are arranged inside and outside of the supporting barrel correspondingly. An inner magnet and an outer magnet of a magnet assembly of the wave energy conversion mechanism are connected through cables, and the cables are sequentially wound on the small pulleys and the large pulleys correspondingly. Through pulling force of the cables, the coil assembly and the magnet assembly move relatively in the vertical direction. The wave and heave coupled power generating device has the advantages of small size and safe and reliable operation, no pollution is caused to the environment, the power generating efficiency can be effectively improved in a multi-point arrangement mode, a relatively dynamic, balanced and stable power supply effect is achieved, and the wave and heave coupled power generating device has the characteristics of high adaptability and the like.

The invention discloses a photoelectric composite cable suitable for a 5G antenna. The photoelectric composite cable comprises a photoelectric hybrid cable body, wherein the photoelectric hybrid cablebody integrally takes a photoelectric hybrid cable outer sheath as a body, a photoelectric hybrid cable core is movably arranged in the photoelectric hybrid cable outer sheath, the photoelectric hybrid cable outer sheath is of a multi-layer structure, and the photoelectric hybrid cable outer sheath is sequentially provided with a sheath layer, a tearing rope, an embossed aluminum tube and a high-strength wrapping tape from outside to inside. According to the photoelectric composite cable suitable for the 5G antenna, the 5G antenna photoelectric hybrid cable is designed into a structure combining a twisted pair, a power line and an optical cable, the diameter is small, the occupied space is saved, power, control and optical signal transmission feedback can be provided for antenna equipment, the bending-resistant optical fiber with excellent performance is adopted as a signal transmission medium, the pressure resistance is high, and the signal transmission stability is excellent; meanwhile, balance signals are transmitted, the ultrahigh bending performance and the excellent flexibility of the whole photoelectric hybrid cable are kept on the premise that the stable power supply capacity and the excellent signal transmission are met, and the photoelectric hybrid cable has good pressure measuring performance.

The invention relates to a photoelectric composite cable, which comprises a cable core, an inner protective layer, a first braided layer, first wrapping layers and an outer protective layer, wherein the cable core comprises a cable assembly and an optical fiber assembly, the cable assembly comprises a plurality of conducting wires, each conducting wire comprises a conductor and an insulating layercoating the conductor, the optical fiber assembly comprises a plurality of optical fiber units, each optical fiber unit comprises an optical fiber and a protection tube wrapping the optical fiber, the inner protective layer wraps the outer side of the cable core, the first braided layer wraps the outer side of the inner protective layer, the number of the first braided layer is at least one, thefirst braiding layers and the first wrapping layers are alternately arranged, and the outer protective layer wraps the outer side of the first braided layer. The photoelectric composite cable can replace an underwater optical cable and an underwater electric cable, can supply power to underwater operation equipment, can also transmit optical signals, and is firm in structure and good in external damage resistance and protection compared with a traditional composite cable.

The invention provides a peak-shaving power supply control method and device, which relate to the technical field of power supply. By acquiring the current time, the power supply period is determinedaccording to the corresponding relationship between the current time and the preset power supply period, wherein the power supply period comprises a first period, a second period and a third period, and finally the power generation device and the energy storage device are controlled to supply power according to the power supply period. The peak-shaving power supply control method and device provided by the invention have the effect of more stable power supply.

The invention discloses a lens driving device which comprises a shell, a base, a carrier, a lens driving mechanism and a carrier positioning mechanism. The shell and the base are matched to form a cavity, the carrier, the lens driving mechanism and the carrier positioning mechanism are arranged in the cavity, the lens driving mechanism comprises a driving coil arranged on the base and a magnet set matched with the driving coil, and the carrier positioning mechanism comprises an iron core, a positioning coil, an elastic piece and a frame. The frame is arranged in the shell and fixedly connected with the base, the elastic piece is fixedly connected with the frame and exerts an elastic force on the carrier so as to position the carrier, the iron core is arranged on the frame and provided with the positioning coil, the positioning coil exerts the force on the elastic piece when powered on so that the elastic piece can be separated from the carrier, and therefore the carrier can move in the optical axis direction relative to the base. The driving coil is arranged on the base, the magnet set is arranged on the carrier, and the beneficial technical effects of being stable in power supply performance and long in service life are achieved.

The invention provides an anchoring buoy power supply control system and control method and an anchoring buoy. According to the anchoring buoy power supply control system and control method and the anchoring buoy, the power generation module comprises a solar power generation unit, a wind power generation unit and a fuel cell unit which are electrically connected in parallel, multiple power generation sources are provided, and the power consumption requirement of the observation equipment can be fully met; the power supply control module is electrically connected with the power generation module and the energy storage module, so that the power generation module is controlled to charge the energy storage module to ensure sufficient electric quantity of the energy storage module, and on-offof electrical connection between the energy storage module and the observation equipment is controlled to improve stability of the energy storage module.