30results about How to "Control power on" patented technology

The invention discloses an iron bar automatic segmenting mechanism, and belongs to the field of metal material processing mechanical equipment. The iron bar automatic segmenting mechanism includes a material-carrying mechanism, a material-cutting mechanism and a fixing material-pushing mechanism which are sequentially and fixedly arranged at one side of a fixing support in the horizontal direction, and a material-carrying chain which is winded is horizontally arranged between a main material-carrying chain and a secondary material-carrying chain; a material-carrying electromagnet is fixedly arranged at the outer side of the material-carrying guiding plate, a reciprocating material-cutting plate is slidably arranged at a material-cutting guiding rod in the horizontal direction, and a cutting handpiece is slidably arranged at the reciprocating material-cutting plate in the vertical direction; and a horizontal-pushing guiding rod is separately and horizontally fixed to two sides below a horizontal-pushing connecting plate, a fixing guiding plate and a moving guiding plate are separately and vertically arranged at two sides of the horizontal-pushing guiding rod, and the material-transporting mechanism is horizontally and fixedly arranged at the upper side of a material-transporting supporting plate. According to the iron bar automatic segmenting mechanism, the structural design isreasonable, iron bars can be transferred horizontally, stably, accurately and intermittently according to needed length, the iron bars can be clamped and cut and automatic feeding can be realized, andthe need for machining using can be met.

The invention relates to the technical field of volleyball training, in particular to a ball serving device for volleyball training. The ball serving device comprises a bottom plate, armrests are arranged on the upper surface of the bottom plate, wheels are mounted at the bottom end of the bottom plate, and a ball collecting box is arranged on the upper surface of the bottom plate; an automatic ball picking mechanism is arranged on the front side of the ball collecting box; the ball collecting box is connected with a ball feeding groove through a guide rail, and a ball feeding mechanism is arranged in the ball feeding groove; a ball serving cylinder is arranged between the ball collecting box and the ball feeding groove, a goal port is formed in the upper surface of the ball serving cylinder, and an automatic ball serving mechanism is arranged in the ball serving cylinder. The ball serving device in the invention is different from the existing serving machine with the serving functiononly, the ball picking function is also achieved, and workers do not need to ceaselessly bend down for working, such that the burden of workers is relieved, the three functions of ball picking, ball feeding and ball serving are integrated, the automation degree and the intelligent degree are improved, and the volleyball training efficiency of a learner is improved.

The invention relates to an energy-saving and environment-friendly wireless charging seat. The energy-saving and environment-friendly wireless charging seat comprises a base (100), a charger body (200), a pressure sensor (300), a turning portion (400) which is used for turning the charger body (200), and a control module; the control module is used for controlling the turning portion (400) to be turned to an inclined state when the pressure of the charger body (200) detected by the pressure sensor (300) is greater than a first threshold, and controlling the charger body (200) to be energized;and the control module is used for controlling the turning portion (400) to be turned to a horizontal state when the pressure change of the charger body (200) detected by the pressure sensor (300) issmaller than the first threshold, and controlling the charger body (200) to be de-energized. According to the energy-saving and environment-friendly wireless charging seat of the invention, the charger body (200) is turned to the inclined state through the turning portion (400), so that the charger body (200) can function as a mobile phone holder, so that a user can use a mobile phone when the mobile phone is charged.

The invention discloses a feeding and charging method and a feeding and charging system of an electric automobile. The feeding and charging method comprises the following steps: at least one battery controller detects the voltage of a low-voltage battery; when the voltage of the low-voltage battery is smaller than a preset voltage threshold value, the battery controller sends a charging request toa vehicle control unit; the vehicle control unit acquires the current endurance mileage of the electric vehicle according to the received charging request; and if the current endurance mileage is greater than the preset endurance mileage threshold, the vehicle control unit controls a high-voltage loop of the electric vehicle to charge the low-voltage battery. According to the feeding and chargingmethod provided by the embodiment of the invention, the voltage of the low-voltage battery is detected through the at least one battery controller, so that the low-voltage battery is charged as required, and the situation that the vehicle cannot be used due to feeding of the low-voltage battery is avoided.

The invention discloses a combined rotary table welding device and a vacuum chamber adopting the combined rotary table welding device. The vacuum chamber is fixedly installed on a base, the combined rotary table welding device is installed in a cavity of the vacuum chamber and comprises a large rotary table, small rotary tables, a rotating shaft, a first motor, a second motor and a first driving mechanism, one end of the rotating shaft is fixedly connected with the large rotary table, the other end of the rotating shaft is connected with the base, a plurality of small rotary tables are arranged on the large rotary table, the first motor is connected with the first driving mechanism, the rotating shaft is driven to do a rotary motion by the first driving mechanism, the second motor is arranged below the large rotary table in the mode of corresponding to each small rotary table and is used for driving the small rotary table to rotate, fixtures which are used for clamping workpieces are arranged on each small rotary table, and both the first motor and the second motor are controlled to drive by a PLC (Programmable Logic Controller) control unit. The large rotary table and the small rotary tables are combined to rotate, so that a to-be-welded damping table is sent to the combined rotary table welding device of an induction coil, manual operation is replaced by a mechanical device so as to complete the welding process, and the product quality is increased.

The invention relates to a desilting tool cleaning device, in particular to a desilting tool cleaning device for sedimentation tank desilting. In order to solve the technical problems, the invention provides the desilting tool cleaning device for sedimentation tank desilting, and the desilting tool cleaning device saves time and labor, is good in cleaning effect and is high in cleaning speed. The desilting tool cleaning device for sedimentation tank desilting comprises a box body, a first box door, first bearing bases, a first rotary shaft, a first belt wheel, a second bearing base, a second rotary shaft, a second belt wheel, a flat belt, a supporting rod and the like, wherein the front left side of the box body is connected with a hinge in a bolt connecting mode; the left side of the box body is connected with the first box door through the hinge; and the left side and the right side of the upper part of the box body are connected with the first bearing bases in the bolt connecting mode. The desilting tool cleaning device is used for cleaning tools in a small placing box and a big placing box through water sprayed out through a multi-hole tube; and the small placing box and the big placing box rotate.

The present invention provides a vernier caliper. A slider can be fixed relative to a main ruler by an electromagnet so as to keep its position constant without affecting the reading of the vernier caliper. The control mode of the electromagnet is intelligent. In particular, after it is judged that the slider stops moving, the electromagnet is energized under control.

The invention provides an automobile safety brake with a self-checking function and a use method of the automobile safety brake. The automobile safety brake comprises an automobile body and an automobile rear axle on one side of the automobile body; a guide wheel set is arranged at the bottom of the automobile body, an automobile head is arranged at the top of the guide wheel set, and a carriage is arranged on one side of the automobile head; a control platform is arranged in the automobile head, and a display assembly is arranged on the surface of the control platform; a loudspeaker is arranged on one side of the display assembly, and a fixed seat is arranged on one side of the control platform; a fixed shaft is arranged on the surface of the fixed seat. A laser ranging assembly and a fixed support are arranged and fixedly connected with each other, the fixed support is fixedly connected with a brake assembly protective shell, and the laser ranging assembly judges the movement of a caliper according to whether the measured distance is changed or not, so that whether the safety brake works normally or not is conveniently detected; the automobile safety brake is simple, scientific and reasonable in design.

An image forming apparatus includes a process unit, a controller, and a fixing unit including a heater. The process unit is configured to form a developer image on a sheet. The heater is configured to be applied with an AC voltage, and to heat the sheet to thereby fix the developer image to the sheet. The controller is configured to perform: executing a continuous supply control in which the heater is continuously energized; acquiring an initial voltage dropping level of the AC voltage and a recovery time during the executing the continuous supply control; and setting a power supply control to control energization of the heater for starting up the heater on the basis of the acquired initial voltage dropping level and the acquired recovery time.

The invention discloses an anti-reverse connection circuit, a control method, a photovoltaic power supply system and a photovoltaic air conditioner. The anti-reverse connection circuit comprises a resistance sampling module, a logic judgment module and a controller which are connected in sequence, wherein the resistance sampling module is connected to an interface of a photovoltaic string and a frequency converter, and is used for collecting positive voltage and negative voltage at the interface and generating a sampling signal based on the positive voltage and the negative voltage; the logic judgment module is used for generating a control signal according to the sampling signal; and the controller is used for controlling the on-off of the frequency converter according to the control signal. A voltage sensor can be prevented from being used for voltage sampling, the cost is saved, meanwhile, after reverse connection, the controller can cut off the power supply of the frequency converter in time, and the safety is improved.

The invention discloses a servo drive-based advanced reactive power control apparatus used for a power transmission and distribution system. The servo drive-based advanced reactive power control apparatus comprises a power distribution box; an allocation space is formed in the power distribution box; two groups of contact spaces are symmetrically arranged on the front and back end walls of the allocation space; a run-through hole connected with the allocation space is formed in the end wall, close to the allocation space, of each contact space; a push rod is arranged in the allocation space; the front and back ends of the push rod run through the run-through holes and are positioned in the front and back contact spaces on the left side respectively; the right end wall of the allocation space is fixedly connected with a driving motor; and driven shafts, rotationally connected with the right end wall of the allocation space, are symmetrically arranged on the driving motor front and back.The apparatus is simple in structure, and convenient and efficient to operate; contact between a contact plate in any contact space and a connecting plate can be controlled optionally, and power-on conditions in the contact spaces can be matched according to any requirements, so that operability of power distribution is improved; and by virtue of setting of mechanical transmission, working efficiency is improved.

The invention relates to the field of electricity meter structures, in particular to an electromagnetic locking electricity meter and a locking control method. The use of an external lead seal or a lock can be avoided, and the safety of the electricity meter is improved. The electromagnetic locking electricity meter comprises an electricity meter box, a main lock pin, locking devices and a controldevice. The electricity meter box comprises a box body and a box cover, and the main lock pin, the locking devices and the control device are arranged in the box body. The main lock pin is clamped tothe box cover and is in sliding connection with the box body, and the main lock pin is provided with a plurality of lock holes in the length direction. The number of the locking devices and the number of the lock holes are the same. Each locking device comprises a magnet and an auxiliary lock pin which are fixedly connected, the auxiliary lock pins are inserted into the lock holes, and the locking devices are connected with the box cover through springs. The control device comprises an electromagnet and a controller, the electromagnet is matched with the positions of the locking devices, andthe electromagnet is connected with the controller. The electricity meter is used in the locking control method of the electromagnetic locking electricity meter.

The invention discloses a server system random delay power-on method and device, and the method comprises the steps: obtaining the address information of each server, and enabling each piece of address information to have a corresponding relation with each server; obtaining a random value corresponding to each server according to the address information corresponding to each server; obtaining delay time corresponding to each server according to the random numerical value corresponding to each server and a preset time limit value; and controlling each server to be powered on according to the delay time corresponding to each server. According to the method and the device, the delay time corresponding to each server can be calculated according to the address information corresponding to each server in combination with the preset time limit value, the address information corresponding to each server is unique, and the delay time calculated according to each piece of address information is different, so that the power-on time of each server can be dispersed, and the power-on efficiency of each server is improved. And peak shifting power-on of each server can be controlled, and the compatibility is improved.

The invention discloses a control circuit and a control method for a time sequence of an industrial camera system, and belongs to the technical field of high-speed industrial cameras. In a power-on time sequence process of the system, after power input, the power firstly passes through a super capacitor and then enters a CPLD, and a system switch is turned on for power conversion. According to thecontrol circuit and the control method, the traditional pure hardware power-on time sequence is replaced by combining the software logic control of the CPLD with the application of the super capacitor and the mechanical switch, and all chips needing the power-on time sequence and the power-off time sequence can be accurately achieved according to the requirements of specifications.

The invention discloses a system and a method for controlling startup and shutdown of a scooter and the scooter, the system for controlling startup and shutdown of the scooter comprises a switch part matched with a fender of the scooter and used for acting when receiving triggering of the fender; the main controller comprises a starting circuit trigger port, the starting circuit trigger port is connected with the switch part, and the main controller is used for recognizing the action of the switch part as a starting action when the scooter is in a shutdown state, and outputting a starting instruction to control the starting circuit to be powered on. According to the system, mechanical keys can be omitted, and the structural design of an instrument panel part is simplified.

The invention discloses a combined rotary table welding device and a vacuum chamber adopting the combined rotary table welding device. The vacuum chamber is fixedly installed on a base, the combined rotary table welding device is installed in a cavity of the vacuum chamber and comprises a large rotary table, small rotary tables, a rotating shaft, a first motor, a second motor and a first driving mechanism, one end of the rotating shaft is fixedly connected with the large rotary table, the other end of the rotating shaft is connected with the base, a plurality of small rotary tables are arranged on the large rotary table, the first motor is connected with the first driving mechanism, the rotating shaft is driven to do a rotary motion by the first driving mechanism, the second motor is arranged below the large rotary table in the mode of corresponding to each small rotary table and is used for driving the small rotary table to rotate, fixtures which are used for clamping workpieces are arranged on each small rotary table, and both the first motor and the second motor are controlled to drive by a PLC (Programmable Logic Controller) control unit. The large rotary table and the small rotary tables are combined to rotate, so that a to-be-welded damping table is sent to the combined rotary table welding device of an induction coil, manual operation is replaced by a mechanical device so as to complete the welding process, and the product quality is increased.

The invention provides an electromagnetic repulsion rapid mechanism and a rapid mechanical switch. The electromagnetic repulsion rapid mechanism comprises: a transmission rod; an induction disc fixed on the transmission rod; an opening repulsion coil; a closing repulsion coil; at least two electromagnetic coils; and electromagnetic coil control circuits which are connected with the electromagnetic coils in a one-to-one correspondence mode so as to control power-on and power-off of the electromagnetic coils. In the opening and closing process, at least one of the electromagnetic coils is an acceleration coil, the acceleration coil is powered on at the front half section and powered off at the rear half section where the induction disc passes, at least one of the electromagnetic coils is a deceleration coil, and the deceleration coil is powered off at the front half section and powered on at the rear half section where the induction disc passes. The induction disc is accelerated by the acceleration coil in the early stage of opening and closing, the overall opening and closing time is shortened, meanwhile, the induction disc is decelerated by the deceleration coil in the later stage of opening and closing, impact on the arc extinguishing chamber or the operating mechanism body due to overhigh speed is avoided, and the service life of the operating mechanism and the arc extinguishing chamber is prolonged.

Embodiments of the invention disclose a device and method for enhancing the power-on stability of an interconnection system. The device includes a motherboard for enhancing the power-on stability of the interconnection system. The motherboard includes an interconnection sub-interface and a controller. The interconnection sub-interface includes state detection sub-pins. The interconnection sub-interface is used for abutment with an interconnection mother interface of an abutting board, and the interconnection mother interface includes state detection mother pins. The controller is used for collecting voltage values of the state detection sub-pins, and if the voltage values of the state detection sub-pins match a preset voltage threshold, controlling the power-on of the interconnection system. According to the technical scheme provided by the embodiments of the invention, the state detection pins serve as state determination bits of whether the state detection pins are inserted in place,the system is controlled to be powered on and started only when the voltage values of the state detection sub-pins match the preset voltage threshold, and the stability of signal transmission can beimproved.

The invention discloses a light-emitting diode for a traffic signal lamp. The light-emitting diode for a traffic signal lamp comprises pins, an end seat, a base and a housing, wherein the pins are fixed in the end seat, and are guided to the base from the interior of the end seat, and a lead hole groove connected with the pins penetrates through the interior of the base; a lead penetrates throughthe interior of the lead hole groove; one end of the lead is connected to the end base; the other end of the lead is connected to a terminal; the terminal is mounted on one side of the base and comprises an anode terminal and a cathode terminal and the anode terminal is connected with the cathode terminal. For the light-emitting diode for a traffic signal lamp, by connecting the anode rod, the auxiliary rod and the cathode rod into the terminal, then connecting the base through the lead and then connecting to one end part of the pins after communicated with the base in a penetrating manner, thus forming a power connection circuit, solving the problem that a single mode that a conventional diode emits light through an anode tube and a cathode tube, and achieving the purposes of mutual independence, non-interference and independent light emitting through the auxiliary rod and a path light emitting diode formed by the cathode rod, the base, the conduction rod, the conduction chip and theanode rod.

The invention relates to the technical field of intelligent lamp poles, and provides an urban lamp pole electrical box short circuit monitoring system, which comprises a short circuit current detection circuit, and is characterized in that the short circuit current detection circuit comprises a voltage follower U4A, a voltage division circuit, a double-limit comparison circuit and an NAND gate U6 which are arranged in sequence, the input end of the voltage follower U4A is used for being connected with a current sensor, and the output end of the voltage follower U4A is used for being connected with the current sensor; the voltage division circuit comprises a resistor R1, a potentiometer RP1 and a resistor R2 which are connected in series, the double-limit comparison circuit comprises an operational amplifier U5A and an operational amplifier U5B, the first end of the resistor R1 is connected with a power supply + 15V, the second end of the resistor R1 is connected to the in-phase input end of the operational amplifier U5A, the inverting input end of the operational amplifier U5A is connected with the output end of the voltage follower U4A, the first end of the resistor R2 is connected with a power supply-15V, and the second end of the resistor R2 is connected with the output end of the voltage follower U4A. And the second end of the resistor R2 is connected to the inverted input end of the operational amplifier U5B. According to the technical scheme, the problem that the short-circuit monitoring system of the urban lamp post electrical box in the prior art is not timely in protection is solved.

According to a wireless communication module power supply control method provided by the invention, a joint control circuit is adopted, a processor only needs to control the joint control circuit, a 3.8 V power supply and a 1.8 V power supply are powered on and off in the circuit, and whether a manufacturer module carries 1.8 V power supply output or not is identified so as to determine whether the 1.8 V power supply supplies power to the manufacturer module internally or externally. Reliable power-on and reliable power-off of the circuit are guaranteed, the power-on and power-off time sequence of the circuit is controlled, processed IO resources are saved, and the power-on stability and the power-off thoroughness are greatly improved.

The invention relates to the field of electricity meter structures, in particular to an electromagnetic locking electricity meter and a locking control method. The use of an external lead seal or a lock can be avoided, and the safety of the electricity meter is improved. The electromagnetic locking electricity meter comprises an electricity meter box, a main lock pin, locking devices and a controldevice. The electricity meter box comprises a box body and a box cover, and the main lock pin, the locking devices and the control device are arranged in the box body. The main lock pin is clamped tothe box cover and is in sliding connection with the box body, and the main lock pin is provided with a plurality of lock holes in the length direction. The number of the locking devices and the number of the lock holes are the same. Each locking device comprises a magnet and an auxiliary lock pin which are fixedly connected, the auxiliary lock pins are inserted into the lock holes, and the locking devices are connected with the box cover through springs. The control device comprises an electromagnet and a controller, the electromagnet is matched with the positions of the locking devices, andthe electromagnet is connected with the controller. The electricity meter is used in the locking control method of the electromagnetic locking electricity meter.