59results about How to "Timely power off" patented technology

The invention belongs to the technical field of intelligent robots, and specifically relates to an intelligent express delivery robot, which includes a battery, a base and a host. Motor, wireless receiving and transmitting module and unmanned driving module, the two sides of the host are respectively provided with a vertical lifting rod, the movable part of the vertical lifting rod is fixedly connected with the base, and the vertical lifting rod is provided with a horizontal telescopic rod , the fixed part of the vertical lifting rod is fixedly connected with the fixed part of the horizontal telescopic rod, and there are two horizontal telescopic rods, and the horizontal telescopic rod is arranged horizontally. Through the intelligent express delivery robot provided by the present invention, its Accurate positioning, automatic driving, can automatically complete the complete process of express delivery, saving manpower and material resources; it solves the problem of difficulty in finding the way for express delivery in the prior art, time-consuming and labor-intensive problems.

The invention discloses an alternating current electrified railway in-phase continous power supply system based on multi-port direct current transmission. The system comprises more than one three-phase high-voltage alternating current power supply, direct current converters used for converting three-phase high-voltage alternating current into high-voltage direct current, a high-voltage direct current transmission loop used for transmitting the high-voltage direct current to a loop of each traction transformer, alternating current converters used for converting the high-voltage direct current into low-voltage single-phase alternating current, and a contact network system connected with an output end of the alternating current converter, wherein the contact network system is divided into an alternating current bus and a return line which takes power by a locomotive and then flows back from a steel rail. The system has the advantages that the system is simple in structure principle, high in safety and reliability, and easy to realize and popularize.

The invention provides a blood pressure measuring device. The device comprises a host machine shell, a power supply unit, a pressure measuring unit, an analog to digital (A/D) converting unit, a microprocessor, a first external port and a second external port, wherein the pressure measuring unit is used for measuring the blood pressure of a human body; the A/D converting unit is connected with the pressure measuring unit and used for converting a measured blood pressure analog signal into a digital signal; the microprocessor is connected with the A/D converting unit and is used for receiving and processing the digital signal; the host machine shell is provided with a cuff insertion hole; the first external port can be connected with a mobile phone and is used for performing data exchange and control; and the second external port can be connected with an adaptor, is used for charging the blood pressure measuring device and can charge the mobile phone which is connected with the first external port. Therefore, with the structure, the blood pressure measuring device is more convenient to use, has high expansion performance, saves consumption cost for a user and saves space and load for use on a trip.

Pigs in a pigsty just eat and sleep throughout the day and move little, and therefore, the pigs have poor disease resistance and the pigs grow much fat and loose lean with low tightness. Such lean stewed is not delicious and has poor taste; the pork tastes worse if pig feed is common feed. With increasing material culture and cultural levels, people have increasing demand on food; the pork above having poor taste is unpopular increasingly. No solution is currently provided; therefore, in order to solve the above problem, the invention provides such as a method of solution. In order to solve such problem, the invention discloses a pigsty for improving weight loss of pigs and enhancing pork taste; the pigsty comprises a fence, guide rails mounted on the fence, a driving portion moving along the guide rails, an electric door mounted on the fence, a plurality of partitions mounted within the fence and arranged at equal intervals, and a control box fixedly connected to the fence.

The invention discloses an energy-saving subway tunnel advertising board. The energy-saving subway tunnel advertising board comprises an advertising board, wherein a front side wall of the top of theadvertising board is rotationally connected with a plurality of rotating rods, a plurality of fan blades are fixed at a front end of the rotating rod, a mounting cavity is formed in the top of the advertising board, a rear end of the rotating rod extends into the mounting cavity and is fixedly provided with a plurality of connecting cylinders, a tail end of the connecting cylinder is rotatably connected with a connecting rod through a torsion spring, an impact ball is fixed to a tail end of the connecting rod, a tuning fork is fixed to an inner wall of the rear side of the mounting cavity, a fixing plate is fixed to an inner wall of the front side of the mounting cavity, and an elastic piece is fixed to a tail end of an outer side column loudspeaker of the tuning fork. The energy-saving subway tunnel advertising board is advantaged in that evaporation liquid is rapidly heated through friction heat generation, a folding air bag is inflated through evaporation of the evaporation liquid,so evaporation gas is gradually cooled and the folding air bag is reset in the processes of contact between a conductive block and a conductive sheet in the circuit conduction, subway stopping and driving-out process, the lighting time of the advertising board can be controlled, timely power failure of the advertising board is guaranteed, and more energy is saved.

The invention relates to the technical field of sockets and particularly relates to a spring-type safety socket with an anti-electric shock function, which comprises a shell. A fixing mechanism is fixedly mounted in the middle of one side of the shell; a plurality of grooves are uniformly formed in the upper surface of the shell; a plurality of power connection slots are formed in the upper surface of a power connection box; a partition plate is fixedly installed on the upper portion in the power connection box; an anti-electric shock mechanism is fixedly mounted below each power connection slot; a power connection contact block is fixedly mounted in the middle of the bottom in the power connection box; a connecting block is fixedly installed on the lower portion in the power connection box through two reset mechanisms; the two reset mechanisms are located on the two sides of the connecting block respectively; a second clamping groove is formed in the middle of the lower surface of theconnecting block; a conductive column is communicated between the first clamping groove and the second clamping groove; and the second clamping groove is located over the power connection contact block. The spring type safety socket with the anti-electric shock function has waterproof, dustproof and anti-falling functions, also has the anti-electric shock function, and is stable in power connection during use.

The invention discloses a reliably connected patch board assembly, which comprises a shell, a switch unit and a plurality of conductive units, wherein a plurality of sockets are arranged on the shell; an accommodating cavity is arranged in the shell; the switch unit is arranged in the accommodating cavity; the switch unit comprises a first electric conductor, a second electric conductor, a bracket and a motion lever; the motion lever is horizontally arranged on the bracket and is movably connected with the bracket; the motion lever is connected with the first electric conductor; the first electric conductor has a first position state and a second position state; when the first electric conductor is located in the first position state, the first electric conductor is separated from the second electric conductor; when the first electric conductor is located in the second position state, the first electric conductor is in contact with the second electric conductor; the plurality of conductive units all are arranged in the accommodating cavity and are arranged corresponding to the plurality of sockets one by one; each conductive unit comprises a connector and two conductive groups; two conductive groups are oppositely arranged; and each conductive group comprises a metal sheet and a spring. According to the reliably connected patch board assembly, the using effect is good.

The invention discloses a method for intelligent control on power utilization based on Internet of Things. The method comprises the steps of receiving the illuminance collected by an illuminometer from an indoor preset apparatus, comparing the received illuminance with an illuminance threshold value, and then generating illuminance information; receiving the number of indoor staff and the distribution region collected by an indoor infrared sensor, and then generating the indoor staff information; obtaining the information of the operating electric equipment in the room based on a digital addressable lighting interface protocol; receiving the indoor temperature information collected by an indoor temperature sensor; transmitting the illuminance information, the indoor staff information, the electric equipment information and the indoor temperature information to a controller; receiving an indoor power utilization control instruction through the network; sending the indoor power utilization control instruction to an indoor electric equipment relay so as to control the on and off states of the indoor electric equipment, judging the actual on-off sates of each indoor electric equipment according to the current information in the circuit of each indoor electric equipment, and feeding back the actual on-off states to the controller. By adoption of the method and the system, intelligent real-time monitoring on the indoor power utilization condition can be realized.

The invention relates to the technical field of heaters, in particular to an extrusion die seat heating unit. The heating unit comprises a die seat, a temperature controller, a thermocouple, a heatingelement and a cover plate, wherein the die seat is of a structure with the upper end open, a stepped U-shaped slot is formed in the middle of the die seat, and a die and a die cushion are matched andput in the U-shaped groove; another U-shaped groove is formed in the front end surface of the die seat, and the heating element is disposed in the U-shaped groove; the temperature controller is disposed on one side surface of the die seat; the thermocouple is disposed beside the temperature controller; the thermocouple is relatively perpendicular to the heating element and located at the bottom of the U-shaped groove which is half of depth of the heating element. According to the heating unit, the die seat is designed to be of a structure into which the heating element and the thermocouple are inserted as shown in the figures, the temperature is controlled through the temperature controller, and then the die seat can be heated to the needed temperature.

The invention discloses an LED control system based on an ARM microprocessor, which comprises a control module, a detection module, an adjustment module and an LED display screen, wherein the detection module comprises a voltage detection module, a current detection module, a brightness detection module, a temperature detection module, a humidity detection module and a pressure detection module, and the adjustment module comprises a brightness adjustment module and a power-off protection module. By adopting the ARM microprocessor, the invention can improve the working efficiency of the controller and greatly improve the overall quality and the working stability of the LED display screen.

The invention discloses a fast braking device for a three-phase asynchronous motor, which includes a power-off braking electromagnetic brake and a rectifier for converting alternating current into direct current. The output end of the rectifier is connected to a power-off brake. Dynamic electromagnetic brake, and provide DC working voltage, also includes an AC electromagnetic contactor, the two input ends of the AC electromagnetic contactor are respectively connected to the wiring head and wiring end of any winding in the three-phase asynchronous motor , the output end of the AC electromagnetic contactor is connected to the input of the rectifier, and the minimum closing voltage of the electromagnetic coil in the AC electromagnetic contactor is greater than the inductance potential of the winding when the three-phase asynchronous motor is powered off. The invention has the advantages of reasonable structural design, low cost, and fast power-off braking.

The invention discloses a thick film heating tube anti-local-dry-burning structure and method. The thick film heating tube anti-local-dry-burning structure comprises a controller, a metal base material tube body, a heating body and an insulation layer arranged between the heating body and the metal base material tube body, wherein the controller is electrically connected with the metal base material tube body and the heating body. The thick film heating tube anti-local-dry-burning method comprises the following steps: a) the controller collects passing-through current of the insulation layer; b) the controller carries out processing and analysis on the current signal and judges the temperature of the insulation layer, the value of current passing through the insulation layer being matched with the temperature of the insulation layer, the larger the current value being, the higher the temperature of the insulation layer being; and c) when the temperature of the insulation layer is larger than 300 degrees, the controller stops supplying power for the heating body. The anti-local-dry-burning structure and method can quickly and conveniently detect whether the local-dry-burning problem exists, thereby, on one hand, facilitating picking out unqualified products during production, and on the other hand, ensuring safety of a user effectively.

The invention discloses a control cable separation bracket for an electric power secondary system. The control cable separation bracket comprises a supporting plate, the upper side of the supporting plate is provided with a main box, a first cavity is formed in the main box, a sliding slot is formed in the bottom of the first cavity, a rack is slidingly connected in the sliding slot, the upper side of the rack is meshed with a gear, the gear is rotatably connected to the side wall of the first cavity and fixedly connected to a rotating block, and the upper side of the rotating block is fixedlyconnected to a rotating handle. One end of an arc-shaped copper piece is fixedly connected with a copper block, the copper block is disposed in a third cavity, the third cavity is formed in the side,away from the first cavity, of a second cavity, and fixing blocks are fixedly connected to the two ends of the upper side of the supporting plate respectively. A cable penetrates through a cable passing slot, and then a second bolt pushes a cable clamping block so that the cable at both ends of a bracket body can be fixed on the bracket body. By pushing the rotating handle, the gear rotates to drive the two ends of a copper column to move between an upper clamping block and a lower clamping block. The two ends of the copper column and the corresponding arc-shaped copper piece are separated and combined, so that the circuit of the cable at both ends is disconnected or connected, and separated control over the electric power secondary system is achieved.

The invention discloses a coal mine area gas monitoring device. The coal mine area gas monitoring device comprises a gas monitoring host, wherein the gas monitoring host comprises a host processor, awind speed sensor used for monitoring wind speed information, a gas sensor used for monitoring gas concentration information, a relay and a display screen; the wind speed sensor and the gas sensor areelectrically connected with the host processor and input monitored data information to the host processor for processing; the relay and the display screen are electrically connected with the host processor and controlled by the host processor; the host processor comprises a wind speed processing module, a gas processor module and a logic circuit; and after the wind speed information processed bythe wind speed processing module and the gas concentration information processed by the gas processor module are subjected to logic operation of the logic circuit, the working state of the relay is controlled through an output level signal of the logic circuit. The coal mine area gas monitoring device can perform early warning and power failure of dangerous situations in a coal mine area accordingto a ventilation environment.

The invention discloses a fire extinguishing electric meter box capable of automatically uploading data. The fire extinguishing electric meter box comprises a machine body; an electric meter cavity isformed in the machine body; upper and lower sliding cavities are symmetrically formed in the left and right sides of the electric meter cavity; longitudinal sliding grooves are formed between the upper and lower sliding cavities in the left side and the right side and the electric meter cavity in a communicating mode; a belt wheel cavity is formed in the upper side of the electric meter cavity; adriven shaft penetrating through the upper and lower wall surfaces of the upper and lower sliding cavity on the right side is rotationally arranged on the lower wall surface of the right side of thebelt wheel cavity. According to the invention, a data recording device capable of moving in all directions is arranged; a lamp is light up, and a bright environment is provided for the electric meterbox, so that the data of the electric meter can be recorded and uploaded conveniently; timely power-off and fire extinguishing processing can be carried out on the electric meter box which is on fire,the loss inside the electric meter box is effectively reduced, and casualties caused by current flowing can be prevented at the same time.

The invention discloses a power socket with an electrical power control function. The power socket comprises a socket body with a plurality of power jacks. The socket body is connected with a mains supply through a power wire, and an electrical power control circuit is arranged in the socket body and comprises a single chip microcomputer module and an alternating current and direct current conversion circuit module. The input end of the single chip microcomputer module is connected with an analog/digital (A/D) conversion circuit module, the input end of the A/D conversion circuit module is connected with a current detection circuit module, the output end of the single chip microcomputer module is connected with a relay driving circuit module, a power supply normal indication lamp and a power supply abnormal indication lamp, and the output end of the relay driving circuit module is connected with a relay connected in a power supply circuit supplying power to electric appliances through the socket body in series. The power socket is simple in structure, reasonable in design, convenient to use, high in safety, high in intelligence degree, low in cost, high in practicability and convenient to popularize and apply.

The invention relates to the field of tunnel monitor and particularly relates to a monitoring method of tunnel gas. The monitoring method can be used for shortening the processing time. The monitoring method of the tunnel gas comprises the following steps of: detecting the concentration of the gas in a tunnel to obtain a concentration value of the gas in the tunnel; comparing the concentration of the gas with a preset concentration with a preset concentration, and sending out a gas-electricity locking signal when the concentration of the gas is greater than the preset concentration; receiving the gas-electricity locking signal, automatically cutting off electricity at a total control switch, and sending an alarm; and after the total control switch is cut off, and when the concentration of the gas is less than the preset concentration, controlling the total control switch to be switched to a be power-on state.

The invention discloses an automatic fire extinguishing system of a wind turbine generator, and relates to the field of unit fire extinguishing, and the automatic fire extinguishing system comprises the following steps: collecting real-time temperature signals of a front-end monitoring area of a dry powder fire extinguishing device; performing data algorithm identification on the real-time temperature signal to obtain real-time temperature numerical value information; reading a local database, and acquiring preset fire extinguishing temperature numerical value information from the local database; and comparing the real-time temperature numerical value information based on the preset fire extinguishing temperature numerical value information. Through real-time temperature acquisition and comparison, independent setting, independent control, independent feedback and mutual independence of the fire extinguishing units, configuration and accurate fire extinguishing of fire extinguishing equipment can be carried out according to different requirements, so that timely power failure and fire extinguishing work when a fire occurs are guaranteed, the fire of unit equipment can be accurately extinguished, and the fire extinguishing efficiency is improved. And fire expansion is effectively prevented, the burning influence of a fire extinguishing medium on other equipment when the fire occurs is eradicated, and the loss of the unit when the fire occurs is reduced.

The invention discloses a motor leakage-proof junction box which comprises a junction box body, a wiring board, an alerter, a switch, a cable wire, a humidometer and a wire, wherein the alerter and the switch are arranged on the wiring board, and the humidometer is mutually connected with the cable wire. Through the mode, the motor leakage-proof junction box can test motor faults caused by the fact that a motor is contacted with water or other liquid, and enables the motor to be used safely.

The invention discloses an intelligent teaching robot. The robot structurally comprises a head, supporting legs, a machine body, and a control panel, wherein the two supporting legs are connected to the two ends of the machine body correspondingly, the head is arranged on the machine body between the two supporting legs, the control panel is arranged beside one of the supporting legs, a motor mechanism is arranged in the machine body, the motor mechanism is mainly composed of a movable cover, a blocking piece, a sleeve shell, a buffer structure, a motor, a fixed clamping block, the movable cover is movably arranged on the top end surface of the sleeve shell, the fixed clamping block is horizontally arranged on the left side of the sleeve shell, and the fixed clamping block is horizontallywelded to the sleeve shell. According to the robot, the motor is automatically popped up through elastic pieces, when the motor is automatically popped up, the rotating speed of an output shaft of themotor is reduced by automatically powering off and increasing the rotating resistance of the output shaft of the motor, so that when the motor is taken out, the output shaft of the motor is preventedfrom rotating, and the situation that the skin injury is caused to students who are operating due to the inertia rotation of the output shaft of the motor is avoided.