62results about How to "Realize power failure protection" patented technology

The invention discloses a high voltage relay adhesion detection circuit of a battery management system and a detection method. The high voltage relay adhesion detection circuit of a battery management system comprises a high voltage relay series connection branch, a freewheeling detection branch, a voltage collection branch and a battery management system. The battery management system determines the adhesion condition through controlling the on-and-off of the total positive relay, the follow current relay and the sampling voltage according to the voltage sampling branch; and when all the total positive relays and the follow current relays are switched off, the reference voltage V0 of the voltage detection end of the voltage sampling branch is detected. The invention adopts the two working channels which are a high voltage relay serial connection branch and a follow current detection branch; when adhesion of any relay of the working channel is detected, another working channel maintains the power supply output, which guarantees the normal power supply for working and realizes the fact that the adhesion of the relay can be detected during the whole operation process; and when the adhesion of the relay is detected, other relays are disconnected so as to disconnect the power supply of the system to realize the power off protection of the system.

The invention discloses a cable-stayed bridge cable detection robot system which comprises a machine frame. Multiple power climbing mechanisms are arranged on the machine frame and are distributed in the peripheral direction, each power climbing mechanism comprises a power mechanism and two climbing mechanism bodies, the two climbing mechanism bodies are vertically arranged and are connected through a synchronous drive mechanism, each climbing mechanism body comprises rolling wheels capable of rolling on cables, the rolling wheels of one climbing mechanism body are driven to rotate by the corresponding power mechanism, and the synchronous drive mechanism can drive all rolling wheels of the two vertically-arranged climbing mechanism bodies to synchronously rotate. The machine frame comprises multiple sub supporting frames, each power climbing mechanism is installed on the corresponding sub supporting frame, every two adjacent sub supporting frames are connected through a connecting device, and the distance between every two adjacent sub supporting frames can be adjusted through the corresponding connecting device. The cable-stayed bridge cable detection robot system has very high adapbility and can work on the cables different in diameter, the sub supporting frames are connected by using the connecting devices, and overall size adjustment of the robot system is facilitated.

The invention provides a robot control system based on a universal computer. The robot control system comprises a robot controller, a data transmission module, a servo driving module, a safety unit, ademonstrator and a power module. The servo drive module is connected to the robot controller through the data transmission module and receives a motion instruction of the robot controller to drive the robot to move. The safety unit is connected to the robot controller and the servo driving module through the data transmission module, and when an input abnormal signal or a fault signal is received, the servo driving module is closed and the input abnormal signal or the fault signal is transmitted to the robot controller. The demonstrator receives a terminal video signal and a first control interaction signal sent by the robot controller; and meanwhile, a second control interaction signal is sent to the robot controller to control the operation of the robot controller. The power module is electrically connected with the robot controller and the safety unit.

The invention discloses an adaptive in-pipe robot and its pipe diameter self-adaptation, power-off protection and crawling methods, belonging to the technical field of robots. The robot includes a fuselage, a climbing mechanism and a climbing adjustment mechanism. The climbing mechanism is mainly composed of an upper left climbing mechanism, an upper right climbing mechanism, a lower left climbing mechanism and a lower right climbing mechanism arranged on four corners of the fuselage; Between the mechanisms, between the lower left climbing mechanism and the lower right climbing mechanism, a climbing adjustment mechanism is respectively installed, which are respectively used to adjust the left upper climbing mechanism and the right upper climbing mechanism, and the rotation of the left lower climbing mechanism and the right lower climbing mechanism relative to the fuselage , to accommodate different pipe diameters. The robot of the present invention can adapt to the change of pipe diameter, and it has power-off protection function, which can prevent the robot from slipping or falling on the pipe wall; in addition, it can have two motion modes of rolling climbing mode and alternating climbing mode according to different use environments. optional.

The invention belongs to the technical field of dish washer control, and provides a dish washer, and a heating wash protection and control method and a heating wash protection and control device thereof. The heating wash protection and control method of the dish washer includes: when the dish washer is in a heating wash state, connecting a washing pump with a power source so as to power on the washing pump and enable the washing pump to work, and then detecting whether a pressure switch is closed, if yes, connecting the pressure switch with the power source so as to power on a heating device and enable the heating device to work, or if no, counting the number of detection times, and judging whether count data reaches a preset number of the direction times, if no, continuing to connect the washing pump with the power source so as to power on the washing pump and enable the washing pump to work, and detecting whether the pressure switch is closed, or if yes, disconnecting a circuit between the washing pump and the power source so as to enable the washing pump to stop work, disconnecting a circuit between the pressure switch and the power source, and controlling the dish washer to send out an alarm prompt. Accordingly, power-off protection is achieved for the heating device and the washing pump when the dish washer is short of water or does not contain water and / or the washing pump can not run due to abnormity, and maintenance frequency and maintenance cost are reduced.

The invention provides an intelligent circuit breaker. The intelligent circuit breaker comprises a shell, and a contact system, an electric operating mechanism and a circuit board for controlling the action of the electric operating mechanism, wherein the contact system, the electric operating mechanism and the circuit board are arranged in the shell; the contact system comprises a movable contact and a fixed contact in mutual matching, the movable contact is provided with an on-position communicated with the fixed contact and a separation position separated from the fixed contact; the electric operating mechanism is used for driving the movable contact to act; the circuit board is used for driving the electric operating mechanism to act when a main loop of the circuit breaker is in outage so as to drive the movable contact to move to the separation position, the circuit board is used for driving the electric operating mechanism to reversely act when the main loop is repowered so as to drive the movable contact to move to the on-position, and the circuit board can be used for receiving an external signal in the power-on period of the main loop so as to drive the electric operating mechanism to act, and then driving the movable contact to move to the separation position or the on-position.

The invention provides an APO (Automatic Power Off) phone charger. The APO phone charger comprises a shell, a timing button, a power-off protection unit, a display screen, a charging circuit and a USB connecting wire, wherein the power-off protection unit and the charging circuit are both arranged in the shell; a controller is respectively connected with a timer and the display screen; the timing button is arranged on the shell and is connected with the timer; the shell is provided with a USB interface; the charging circuit is connected with the USB connecting wire through the USB interface; the power-off protection unit comprises the controller, a relay and the timer; the charging circuit is connected with a mains supply through the relay; the relay is further connected with the controller. The APO phone charger has the function of automatically disconnecting the charging circuit from the mains supply. The APO phone charger has the advantages of realizing power-off protection of the charger, enhancing the use safety of the charger and avoiding such potential safety hazards of the charger as earlier damage or spontaneous combustion due to long-term working; after powering off, since the charger does not work continuously, energy can be saved to some degree.

The invention relates to a power-off protection device used for a crane. The power-off protection device comprises a base, a motor, a speed reduction mechanism and a protection mechanism. The speed reduction mechanism comprises a supporting assembly and a speed reducing assembly. The protection mechanism comprise a fixing rod, an electromagnet, a cross rod, a balancing weight, a hemp rope and a supporting rod. A connecting unit comprises an elastic pull rope and a connecting rod. By means of the power-off protection device used for the crane, the supporting mechanism is used for supporting a first clamping piece and a second clamping piece so that a brake pad can be better attached to a rotating shaft of the motor through the first clamping piece and the second clamping piece, and the rotating shaft of the motor is stopped through rubbing between the rotating shaft of the motor and the brake pad. The clamping force of the first clamping piece and the second clamping piece on the rotating shaft of the motor is mainly achieved through the dead load of the balance weight and the restoring force of a second spring, and power-off protection can be achieved on different types of cranes by adjusting the weight of the balance weight and the size of a friction block, and the use practicability is improved.

The invention discloses a steering wheel operating device for the automobile road test. The device includes a bottom plate, a motor, a first transmission shaft, a second transmission shaft, a third transmission shaft, a first steering wheel and a second steering wheel, wherein the motor is fixed at one side of the bottom plate, a back end of the first transmission shaft is connected with an outputshaft of the motor through a coupling, a front end of the first transmission shaft is connected with a first bevel gear, the second transmission shaft and the third transmission shaft are pivoted onthe bottom plate, an end of the second transmission shaft corresponding to the first transmission shaft is provided with a second bevel gear, the second bevel gear is engaged with the first bevel gearon the first transmission shaft, the second transmission shaft and the third transmission shaft achieve transmission through a synchronous belt, the second transmission shaft and the third transmission shaft are driven by the motor through the first transmission shaft to rotate, and the first steering wheel and the second steering wheel are fixed at two ends of the third transmission shaft. The device is advantaged in that modifying the vehicle body is not needed, the occupation space is small, the device is flexible to mount, and the device is convenient.

The invention provides a vehicle-mounted APO (Automatic Power Off) phone charging circuit, comprising an electrolytic capacitor C1, a resistor R1, a chip MC34063, a capacitor C2, a resistor R2, a resistor R3, a a resistor R4, a triode Q1, a stabilivolt ZD1, an inductor L1 and an electrolytic capacitor C3, wherein a pin 6 of the chip MC34063 is connected with the positive access end of a vehicle-mounted charging circuit through a relay KA1. The vehicle-mounted APO phone charging circuit has the function of automatically disconnecting the vehicle-mounted charging circuit from a power supply. The APO phone charging circuit has the advantages of realizing power-off protection of a charger, enhancing the use safety of the charger and avoiding such potential safety hazards of the charger as earlier damage or spontaneous combustion due to long-term working; after powering off, since the charger does not work continuously, energy can be saved to some degree.

The invention provides a power-off protection-type mobile phone charger, which comprises a shell, a touch unit, a power-off protection unit, a charge circuit and a USB connecting line, wherein the power-off protection unit and the charge circuit are arranged in the shell; the shell is provided with a USB interface; the charge circuit is connected with the USB connecting line through the USB interface; the power-off protection unit comprises a controller, a relay and a timer; the charge circuit is connected with a commercial power through the relay; the relay is also connected with the controller; the controller is connected with the timer; and the touch unit is arranged on the shell and is connected with the controller. According to the power-off protection-type mobile phone charger, disconnection of the charge circuit and the commercial power can be automatically achieved; power-off protection of the charger can be achieved; the use security of the charger is strengthened; potential safety hazards of over-quick damage or spontaneous combustion and the like caused by long-term working of the charger are avoided; and a certain energy-saving effect can be achieved due to the fact that the charger does not continuously work after a power failure.

The invention discloses a power-off protection loop for a static pressure workbench. The power-off protection loop comprises an oil absorption filter, a hydraulic pump, a one-way valve, a speed regulating valve and a gear oil distributor that are connected with one another in sequence, wherein the other end of the oil absorption filter is communicated with an oil tank, an energy accumulator filled with static pressure oil with the pressure being higher than the load pressure of the workbench is connected between the one-way valve and the speed regulating valve in parallel, and over-flow valve playing a role of high-pressure protection is connected between the hydraulic pump and the one-way valve. Therefore, according to the power-off protection loop for the static pressure workbench, the power-off protection for the constant-flow static pressure workbench of a heavy type vertical lathe is realized by only the simpler loop, and constant-flow static pressure oil can be continuously supplied for the static pressure workbench.

The invention provides a power supply with a power-off protection function. The power supply is applied to a robot controller and comprises a power supply conversion circuit, a controller power supplymodule, a network voltage detection module and an energy storage module, wherein the controller power module is connected to the output end of the power conversion circuit and supplies power to the robot controller; the network voltage detection module is connected to the power supply conversion circuit to detect the input voltage of the power supply conversion circuit, and when the input voltageof the power supply conversion circuit is less than a set threshold value, the power supply with the power-off protection function outputs a power-off trigger signal to trigger the robot controller to perform power-off storage; the energy storage module is connected to the controller power supply module, and the energy storage module stores energy when the power supply conversion circuit works normally; when the input voltage of the power supply conversion circuit is less than the set threshold value, the energy storage module outputs energy to enable the controller power supply module to work normally, and the controller power supply module supplies power to the robot controller to enable the robot controller to complete data storage.

The invention discloses a heating pump assembly and a washing device. The heating pump assembly includes a pump shell which is internally provided with an accommodating cavity, the pump shell being provided with a mounting port and a water outlet which are in communication with the accommodating cavity; a pump cover assembly including a heat conduction cover plate and a heating pipe, wherein the heat conduction cover plate is arranged on the mounting port in a matched mode to seal the mounting port, a part of the heat conduction cover plate is sunk towards the interior of the accommodating cavity to form a boss, the heating pipe includes a heating part and a connecting part connected with the heating part, the heating part is located in the accommodating cavity, a gap is formed between the heating part and the heat conduction cover plate, the boss is sleeved with the heating part, the heating part and the boss are spaced, the connecting part is arranged on the heat conduction cover plate in a penetrating mode, and at least one protector is arranged on the portion, located on the outer side of the accommodating cavity, of the pump cover assembly; and a water inlet assembly arranged on the boss, wherein the water inlet assembly is provided with a water inlet in communication with the accommodating cavity. The heating pump assembly is high in heating efficiency and good in heating effect, and can improve working reliability and safety of the heating pump, and the whole heating pump assembly has the advantages of being simple in structure and low in cost.

The invention relates to the field of automatic control and discloses an electrodeless control device for blanking. According to the electrodeless control device, the technical problem that the blanking quantity cannot be accurately controlled in a blanking process in the prior art is solved. The electrodeless control device comprises a finished product bin, a charge level indicator, a gate, a dry stream weighing chamber, a flow meter, a liquid spraying nozzle and a controller, wherein the finished product bin is used for storing materials; the charge level indicator is arranged on the finished product bin and is used for measuring the positions of the materials; the gate is arranged at a blanking hole of the finished product bin; the dry stream weighing chamber is arranged at the bottom of the gate; the flow meter is arranged in the dry stream weighing chamber and is used for detecting the flow of the materials in the dry stream weighing chamber; the liquid spraying nozzle is fixed at the dry stream weighing chamber and is used for mixing liquid with the materials in the dry stream weighing chamber; the controller is connected with the charge level indicator, the gate and the flow meter and is used for regulating the blanking quality of the gate and the liquid flow of the liquid spraying nozzle according to the flow or the positions of the materials and closing the gate when the electrodeless control device is in a power off condition. According to the electrodeless control device, the technical effect for accurately controlling the blanking quantity of the gate is achieved.

The invention relates to a charging socket, which has the effects of power-off protection when an electric vehicle is charged and short-circuit protection when the electric vehicle is not charged. Thecharging socket comprises a shell, the middle of the shell is sunken to form a plug groove for allowing a plug to be attached and clamped in, a positive pole insertion piece, a negative pole insertion piece and a power-off insertion piece which are attached to and inserted into the plug are arranged in the plug groove, and the positive pole insertion piece and the negative pole insertion piece are communicated with the positive pole and the negative pole of a storage battery respectively; wherein the power-off insertion piece is made of an insulating material, accommodating grooves are respectively formed in two sides of the power-off insertion piece, conducting strips are arranged in the accommodating grooves in an attached manner, the two conducting strips are respectively communicatedwith a controller through electric wires, and transformers for converting voltage into at least 12V are arranged on the electric wires. Power-off protection during charging of the electric vehicle isachieved by means of cooperation of the power-off insertion piece and the controller.

The invention discloses an anti-short-circuit protection device for a high-voltage electric appliance. The device comprises a main seat, an inner seat is fixedly arranged in the main seat, and a cooling mechanism and a partition mechanism are arranged between the main seat and the inner seat. The inner seat with an opening in an upper end is arranged in the main seat, an operation table and a circuit closer are movably installed through the inner seat, and a switch type power supply capable of abutting against the circuit closer is installed in the inner seat; a cooling box, an evaporation pipe and an expansion air bag which are connected with one another are arranged in the main seat so that an evaporation liquid can be quickly evaporated when absorbing excessive heat to reach an evaporation point, and the expansion air bag expands to drive the circuit closer to be separated from the power supply; a driving rack and a driven flat gear which are in meshed connection are utilized so that a driving wind wheel and a driven wind wheel can drive high-temperature hot air in the inner seat to be rapidly exhausted in a rotating process; and a driving bevel gear and a driven bevel gear which are connected in a meshed mode are used for driving a pressurizing wind wheel to rotate at a high speed, and a cooling and heat dissipation protection effect is achieved by continuously supplementing low-temperature cold air.

The invention discloses an over-voltage protection switch and a pressure device. The over-voltage protection switch comprises a first switch terminal, a second switch terminal, a touch rod, a lockingtorsion spring, a switch body and a sealing device; the first switch terminal is provided with a first contact; the second switch terminal is provided with a second contact which is in constant contact with the first contact; a locking groove is formed in the touch rod; the switch body is provided with a connecting port connecting with the external environment; the sealing device is installed inside the switch body; the touch rod is connected with the sealing device; the sealing device is configured to drive the touch rod to touch the second switch terminal so that the second contact moves toa break-up position from a contacting position when the environment pressure applied in a communicating port reaches to a preset pressure; a first end of the locking torsion spring is fixed and a second end is movable; the second end of the locking torsion spring is matched in the locking groove so that the second contact is kept in the break-up position. According to the over-voltage protection switch, power off protection under abnormal overpressure can be realized.

The invention relates to a full-hydraulic crawler pump truck for the coal mine underground directional drilling. A power-head drilling machine needs to be equipped with a sludge pump assembly in the directional drilling process, and the sludge pump assembly is used for providing the high-pressure water so as to drive a motor on the bottom of a hole to realize the directional drilling. At present, the sludge pump assembly which is matched with the directional drilling adopts electric-driving belt transmission and clutch control and is separated from the drilling machine, the sludge pump assembly is moved for a short distance mainly by the manpower or through other tools, so that the weaknesses such as poor integration of the directional drilling system, slow moving speed, long assisting time, large labor intensity of workers and low application safety exist. The full-hydraulic crawler pump truck for the coal mine underground directional drilling comprises a hydraulic-drive sludge pump assembly, two electromagnetic starters, a locomotive lamp assembly, a gas sensing circuit breaker, a plurality of reversing valve banks, an operating platform, an oil tank, a motor pump assembly, a cooler, a crawler chassis assembly and a pump truck platform. The full-hydraulic crawler pump truck has the advantages of good integration, advanced performance, simplicity and convenience in operation and safety in operation.

The invention discloses a device for simulating illumination deterioration of food components. The device comprises a box body (1) provided with circulating ventilation equipment, and switchable LED lamp panels (5), wherein the box body (1) is collocated with heating equipment (7), refrigeration equipment (8), a humidifier (9), a dehumidifier, oxygen supply equipment (10), nitrogen supply equipment (11) and a sensor component; at least two LED lamp panels (5) are arranged in the box body (1) and each LED lamp panel (5) consists of a plurality of LED lamp beads (12); a numerical control panel (2) and a light intensity adjusting device (6) are arranged on the box body (1), and each LED lamp panel (5) is electrically connected with the light intensity adjusting device (6) respectively; and a heat insulation layer is arranged on the inner wall of the box body (1) at first, and then a light-reflecting layer is arranged on the inner wall of the box body (1). By use of the device, an illumination deterioration condition of the food components can be simply and efficiently simulated.

The invention belongs to the technical field of solar water heaters, and discloses an electric auxiliary heating solar water heater temperature controller module and a solar water heater. The module comprises an over-temperature temperature controller, a normal-temperature temperature controller and a heating pipe which are sequentially connected in series, wherein the over-temperature temperature controller can automatically reset when there is no current through the temperature controller. The module also comprises a fuse resistor which is in parallel connection with zero line contacts of the over-temperature temperature controller, wherein after the fuse resistor fuses, a fire line contact of the over-temperature temperature controller opens. The module is simple in structure and convenient to mount; the fuse resistor is in parallel connection with two ends of the zero line contacts of the over-temperature temperature controller, and at the solar heating state, the over-temperature temperature controller can automatically reset, and at the electric heating state, the fuse resistor fuses and double-pole break of the over-temperature temperature controller can be achieved.

The invention relates to a safety drilling device for a lead-acid battery leakage test. The safety drilling device comprises a drilling unit, a protection unit and a power-off protection system, wherein the protection unit sleeves the drilling unit and is matched with the surface of a lead-acid battery, and the power-off protection system is electrically connected with the drilling unit; and the drilling unit comprises a power mechanism and a hollow round pipe in transmission connection with the power mechanism, and sawteeth are arranged at the bottom end of the hollow round pipe. Compared with the prior art, according to the safety drilling device, the sawteeth at the bottom end of the hollow round pipe keep a drilled wafer in the hollow round pipe so that an annular bulge cannot be generated due to high temperature when the inner wall of the battery is drilled through, electrolyte is prevented from being retained in a cavity in the liquid discharge test process, and the test error isreduced; the power-off protection system can realize power-off protection in time; and due to the arrangement of a closed protective cover and a liquid guide pipe, the splashing or overflowing phenomenon possibly occurring when the electrolyte is drilled through can be effectively prevented, and the safety of the personnel environment is protected.

The invention discloses an electric tool, and the tool comprises a motor which comprises two motor wiring ends; a power terminal group which comprises two power terminals; an operating switch which has an ON state and an OFF state; a drive chip; a protection switch which has a connection state and a protection state, wherein the connection state and the protection state can be switched by the drive chip; and a protection signal circuit which can generate a protection signal transmitted to the drive chip. The drive chip at least enables the protection switch to enter the protection state when receiving the protection signal. The protection switch enables the circuits connected at two ends to be connected when the protection switch is in the connection state, and cuts off the circuits connected at two ends to be connected when the protection switch is in the protection state. The protection signal circuit generates the protection signal when the tool is operated according to a protection operation sequence, wherein the protection operation sequence is that the operating switch is firstly switched to the ON state and then the power terminals are connected to a power supply. The tool can be started safely.

The invention provides an electric energy billing device and new energy charging equipment, and the electric energy billing device comprises a voltage detection module, a current detection module, an electric energy statistics module, a control module, and a storage module. The voltage detection module is connected with the power input end of the new energy charging equipment and used for collecting input voltage information. The current detection module is connected with a power input end of the new energy charging equipment and is used for collecting input current information; the electric energy statistics module is connected with the voltage detection module and the current detection module and is used for calculating electric energy consumption information according to the input voltage information and the input current information; the control module is connected with the electric energy statistics module and the storage module and is used for calculating electric energy cost information according to the electric energy consumption information and the charging parameter information stored in the storage module and sending the electric energy consumption information and the electric energy cost information to the storage module for storage. Electric energy cost calculation can be realized in real time, power-off protection can also be realized, and information loss caused by power off can be prevented.

The invention discloses a switching mechanism with an automatic tripping function. The mechanism comprises a bracket, a swinging push rod, a connection swing arm and a lever; through operating the lever, a power source can be switched on and switched off manually, so that the function of an ordinary rocker switch can be realized. When electric leakage, short circuiting, overload and arcing occurs on a switch socket provided with the switching mechanism, a tripping module can push the swinging push rod to swing; one end of the swinging push rod contacts with the tail end of the connection swing arm so as to push the connection swing arm; the connection swing arm is separated from a catching groove under a pushing effect; the connection swing arm moves upwards with the lever under the action of a lever torsional spring, so as to be lifted, and at the same time, drives a main shaft and a moving contact thereon to be lifted, so that the moving contact can be separated from a fixed contact, and therefore, power-off protection can be realized, and security of electricity use can be ensured, and potential safety hazards can be avoided.

The container disclosed by the invention comprises a container body, a thermocouple, a wire and ports, wherein the container body is a concave vessel which is arranged on an appliance, made of a non-metal material and used for containing a heated object; the outer surface of the container body is provided with the wire used for transmitting signals and detecting whether the container body is intact or not, the thermocouple fixedly connected with the container body and used for detecting temperature, and the ports used for transmitting detection signals; one end of the thermocouple is reliably welded, the other end of the thermocouple is open, and the thermocouple is widely applied in daily life and has two metal thermocouple wires that enable generate thermoelectric generation; the wire is formed by printing and sintering conductor electronic paste on the container body; and the ports are open ends of the wire and / or the thermocouple. The invention discloses a cooking utensil which is characterized in that when a thermocouple port arranged on the container body is electrically connected with a main board of the cooking utensil, a temperature detection signal can be generated, and cooking control and dry burning protection of the utensil are achieved; when the wire port arranged on the container body is electrically connected with the main board of the cooking utensil, a signal for detecting whether the container body is intact or not can be generated, and power-off protection after the container body is broken is realized.