40results about How to "Avoid work status" patented technology

The present invention discloses a music system and a playing method therefor. With the adoption of the playing method, a user can conveniently control the music system to play music through an intelligent terminal; a song played by the music system can be pushed through a network or can be played in a Bluetooth transmission manner; and by selectively pushing the song to a corresponding playing device on a playing list of control software of the intelligent terminal or setting playing of a playing group, two mutually-exclusive working states including network pushing and Bluetooth transmission are effectively prevented from being simultaneously selected by the user. The music system and the playing method therefor, provided by the present invention, have the advantages of convenience for control and operation, excellent user experience and the like.

The invention discloses a humidity detection method used for an air conditioner. The humidity detection method includes the following steps that operation modes of the air conditioner and continuous operation time after the air conditioner is started to operate are obtained, and the indoor environment temperature is detected; whether the operation modes of the air conditioner, the continuous operation time and indoor environment temperature meet preset conditions or not are judged; and if the judgment meets the preset conditions, a humidity sensor in the air conditioner is controlled to start to work to detect the relative humidity of the indoor environment. According to the humidity detection method used for the air conditioner, it can be avoided that the humidity sensor is in the working state all the time, and the service life of the humidity sensor can be prolonged. The invention further discloses a humidity detection device used for the air conditioner and the air conditioner with the humidity detection device.

The invention discloses a tray balance. The tray balance comprises a foundation, a suspension bracket and a knife rest, wherein the middle portion of the foundation is provided with a horizontal ruler, a lower end of the suspension bracket is provided with a vertical supporting arm, the vertical supporting arm is a leading screw, an upper end of the vertical supporting arm is provided with a nut, the nut is in rotatable connection with the vertical supporting arm, the middle portion of the suspension bracket is provided with a scale, the middle portion of the knife rest is provided with an edge, the suspension bracket and the scale are in rotatable connection, one side of the scale is provided with a rider, an upper end of the suspension bracket is provided with a tray, an upper end of the knife rest is provided with an index dial, a lower end of the index dial is provided with a pointer, an upper end of the pointer is provided with a magnifier, and the magnifier is fixedly connected with the pointer. The tray balance is advantaged in that the tray balance in an idle static mode can effectively protect the edge, a measurement result is convenient to acquire, and the measurement result is accurate.

The invention provides a mobile vehicle wireless charging system. The system comprises a vehicle position detecting device composed of a vehicle-mounted wireless signal transmission module and a ground wireless signal receiving module, a resonance energy transmission circuit laid underground and a resonance vehicle-mounted energy receiving device; when an electric vehicle detects that a battery is in the electricity lack state, and wants to enter in the charging segment, a vehicle-mounted information transmission device is started and emits signals; when the ground signal receiving device receives the emitted signals, an energy transmission coil laid under the charging segment is started, and the pre-charging preparation state is executed. On the one hand, the problem that in the process of moving of the electric vehicle in the charging segment, charging preparation is slow is solved; on the other hand, the problem that the energy transmission coil is in the work state all the time, and energy losses are caused is solved.

The invention relates to a soft-switch full wave rectifying push-pull normal shock inverter, which is characterized in that the inverter comprises two switch pipes S1 and S2 on a primary side, a clamping capacitor Cc, two rectifying diodes D1 and D2 on a secondary side, a filtering inductor L1, a filtering capacitor C1, a transformer (the transformer comprises two primary side windings and two secondary side windings) and a resonance unit (the resonance unit comprises a resonance inductor Lr, a resonance capacitor Cr, three diodes D3, D4 and D5 and a switch pipe S3). According to the inverter, a connection and a disconnection without current of a primary switch pipe are realized, the problem of a hard on-off working state of the primary side switch pipe of the push-pull normal shock inverter is solved, meanwhile the rectifying diodes on the secondary side are disconnected without current, and the phenomenon of a reverse recovery peak of the rectifying diode is eliminated.

The invention relates to the field of elevators, in particular to an elevator door lock switch. The elevator door lock switch comprises a switch bottom box, a main contact device, a secondary contact device and a circuit system, wherein the secondary contact device is connected with the circuit system; one side of the switch bottom box is provided with a mounting hole, the surface of the switch bottom box is covered by a cover plate, and the switch bottom box is provided with a rotating rod connecting assembly; and the rotating rod connecting assembly comprises a bolt pin and a rotating shaft which are mutually rotationally connected, the bolt pin passes through the mounting hole, the rotating shaft is rotationally arranged on the switch bottom box, the rotating shaft is connected with a telescopic device for recovering the position of the rotating shaft, a metal contact sheet connected with the main contact device and a safety device for protecting the safety are arranged on the boltpin, and the rotating shaft passes through the cover plate and is connected with a rocker arm assembly. The elevator door lock switch has the advantages that: the switch can play a role of a switch of a safety door lock under the conditions of simultaneous mechanical and electric control and simultaneous action, and the switch is safer and more reliable.

The invention provides a high voltage distribution box, which relates to the field of automotive high voltage electrical systems. The high voltage distribution box comprises a box body, a fan bottom bin, a fan, a mounting plate, a heating device, a fan switch, and a temperature detection device, wherein the side surfaces of the box body are provided with air outlets; the fan bottom bin is fixedly connected with the box body; the box body and the fan bottom bin form accommodating space; the fan is arranged in the accommodating space and is fixedly arranged on the fan bottom bin; the mounting plate is arranged above the fan, and the mounting plate is fixedly connected with the box body; the heating device and the fan switch are fixed on the mounting plate; the temperature detection device is arranged in the accommodating space; and the temperature detection device and the fan switch are respectively connected with a battery management system. The temperature in the accommodating space is detected through the temperature detection device, the battery management system judges the temperature, if the temperature is higher than a preset value, the fan works, air enters from air inlets and air is exhausted from the air outlets in the side surfaces of the box body, or otherwise, the fan stops working. Thus, the fan can be prevented from being in a constant working state, the temperature in the high voltage distribution box can be effectively reduced, and the service life of an electrical device can be prolonged.

The invention provides a UUV carrying, laying and recovering device. The device comprises a lifting module, a rotating module and a carrying module. The lifting module can be lifted to a certain height under traction of a three-phase asynchronous motor, loads on the rotating module and the carrying module are lifted out of a submarine body, and after the submarine body reaches a designated workingposition, a brake of the three-phase asynchronous motor can fix the position of a lifting platform, so that subsequent steps continue to be conducted at the correct position. The rotating module starts to work after the lifting module reaches a designated working position and is locked, a rotating plate is driven by a hydraulic cylinder to be overturned to be horizontal, and then a pressing rotating lock driven by a stepping motor is triggered to achieve circumferential locking of the rotating plate. During recovery, the UUV automatically gets close to the recovery device, the carrying modulehydraulic cylinder, a normally-closed electromagnetic lock, the stepping motor, a rotary hydraulic cylinder and the three-phase asynchronous motor work in sequence according to the process opposite to the laying process, and recovery operation is completed.

The invention discloses an automatic triggering starting circuit integrating the reset function and HMD equipment. The automatic triggering starting circuit integrating the reset function comprises a power supply device and a control unit and further comprises a power source voltage detection terminal and a multimedia interface voltage detection terminal, wherein the power source voltage detection terminal is used for detecting the input voltage of a power interface, and the multimedia interface voltage detection terminal is used for detecting the input voltage of a multimedia interface. Both the power source voltage detection terminal and the multimedia interface voltage detection terminal are connected with the enable signal output end of the power supply device. One path of the enable signal output end of the power supply device is connected with the control signal input end of a switching circuit. The control signal output end of the switching circuit is connected with a reset terminal of the control unit. The other path of the enable signal output end of the power supply device is connected with the control signal input end of the switching circuit through a time-delay switching circuit. The automatic triggering starting circuit integrating the reset function is low in power consumption, reset signals are generated by building a reset circuit, and reliability is high.

The invention discloses a pavement sweeping device, which has a broom, wherein the handle of the broom is linked with a swing rod; the swing rod is provided with a chute in which a sliding block capable of sliding along the chute is arranged; the end part of the swing rod is provided with a spherical hinge fixed on a machine body of power equipment; the sliding block is connected with a crank through another spherical hinge; and the other end of the crank is connected with a power shaft by a pair of bevel gear. The device can be conveniently driven by power provided by a pedal-powered trishaw,an electro-tricycle and other small vehicles to realize the manual simulation of sweeping performed by single person with a broom in hands. In each rotation circle of the crank, a circulation of 'lowering, sweeping, lifting and offsetting' of the broom is completed. An environmental protection worker in front of the vehicle face forward to avoid directly facing dust while working, so labor intensity is reduced and sanitation condition is improved. Compared with large-sweeping machine, the device greatly reduces equipment investment and operation cost.

The invention discloses a fully-automatic FOG bonding machine Teflon plate clamping mechanism. The fully-automatic FOG bonding machine Teflon plate clamping mechanism comprises a rotation shaft (9) which is driven to rotate by a motor (1); the front end of the rotation shaft (9) is sequentially sleeved with a disc-type rear plate baffle (10), a plate guiding piece (12) and a front plate baffle (13); four plate clamping pieces (11) are fixed circumferentially at equal angular distance intervals between the rear plate baffle (10) and the plate guiding piece (12) through bolts; each plate clamping piece (11) comprises a rotating body and an inclined triangular prism structural body extending outwardly from one side wall of the rotating body; and the outer end of the front plate baffle (13) is positioned and clamped through a ball head plunger (14) arranged in the rotation shaft (9) in a penetrating mode. According to the Teflon plate clamping mechanism provided by the invention, the labor-consuming and time-consuming working state for replacement of the original plate can be solved, the adjustment time is saved, operation continuity is ensured, and the efficiency is improved.

The invention provides a slope workbench special for wire connection of installation boards. The problem that workers bend down to work for a long time is effectively solved, the fatigue degree of the workers is reduced, and the work efficiency of the workers is ensured. The slope workbench comprises a base; the base is provided with supporting legs; a top beam is arranged on the upper portion of the base; the top beam is arranged parallel to the two sides of the base; multiple parallel connection inclined beams are arranged between the top beam and the two sides of the base; lower fixing boards are fastened on two sides of the base. The slope workbench further comprises upper fixing boards located on the two sides of the top beam; the upper fixing boards on the two sides are located between the lower fixing boards and the top beam; the upper fixing boards are in welded connection with the connection inclined beams in the corresponding positions; the upper fixing boards are parallel to the lower fixing boards.

A lift car purification system relates to the technical field of lifts. The lift car purification system comprises a car, a pressure sensor is arranged on the bottom of the car, and is connected with a trigger switch of an air purifier, and the air purifier is positioned on the top of the car. An exhaust is arranged on the top of the car. The structure of the lift car purification system is simple, and the lift car purification system can effectively replace the air quality in the car to provide fresh air for passengers.

The invention provides a high voltage distribution box, which relates to the field of automotive high voltage electrical systems. The high voltage distribution box comprises a box body, a fan bottom bin, a fan, a mounting plate, a heating device, a fan switch, and a temperature detection device, wherein the side surfaces of the box body are provided with air outlets; the fan bottom bin is fixedly connected with the box body; the box body and the fan bottom bin form accommodating space; the fan is arranged in the accommodating space and is fixedly arranged on the fan bottom bin; the mounting plate is arranged above the fan, and the mounting plate is fixedly connected with the box body; the heating device and the fan switch are fixed on the mounting plate; the temperature detection device is arranged in the accommodating space; and the temperature detection device and the fan switch are respectively connected with a battery management system. The temperature in the accommodating space is detected through the temperature detection device, the battery management system judges the temperature, if the temperature is higher than a preset value, the fan works, air enters from air inlets and air is exhausted from the air outlets in the side surfaces of the box body, or otherwise, the fan stops working. Thus, the fan can be prevented from being in a constant working state, the temperature in the high voltage distribution box can be effectively reduced, and the service life of an electrical device can be prolonged.

The invention discloses a counter balance for middle school teaching. The counter balance comprises a base and vertical support arms. Insert holes are formed in the upper surface of the base. The bottom portion of each vertical support arm is provided with a first magnet. A rotating disk fixedly inserted to a fulcrum shaft is arranged under each insert hole. The outer circle side wall of each rotating disk is provided with a plurality of convex teeth. Second magnets and third magnets are arranged alternately on the plurality of convex teeth. The second magnet and one end of a first magnet areopposite poles, and the third magnet and one end of the first magnet are same poles. A through hole is formed in the bottom portion of the insert hole. An external thread is formed on the outer wall of each vertical support arm. An adjusting gear pressed against the upper surface of the base is screwed in each vertical support arm. One side of each adjusting gear is engaged with a horizontal toothbar. The two adjusting gears at the two sides of the base are engaged to the two sides of the tooth bar respectively. A placement groove is formed in the upper surface of the base. The tooth bars areinserted into the placement groove. The two-end inner walls of the placement groove are respectively provided with a magnet layer. The two ends of the tooth bar are respectively provided with an ironlayer. The counter balance can effectively protect edges when placed.

The invention discloses an LED dimming driving device. The LED dimming driving device comprises a DAC control signal generation unit and an LED driving signal generation unit. The DAC control signal generation unit generates a first control signal and a second control signal, the first control signal is input to the LED drive signal generation unit to generate a first drive current I1, and the second control signal is input to the LED drive signal generation unit to generate a second drive current I2. The first driving current I1 is smaller than the corresponding maximum power current value Ipeak under the LED peak power, and the second driving current I2 is larger than the corresponding maximum power current value Ipeak under the LED peak power; the time length of a clock period of a control signal generated by the DAC control signal generation unit is T, the duration of a first control signal is T1 and the duration of a second control signal is T2 in every clock period, and T1 + T2 = T; the brightness of the LED light-emitting component can be adjusted by adjusting the duration T1 of the first control signal and the duration T2 of the second control signal.

The present invention provides a UUV carrying deployment and recovery device, which includes a lifting module, a rotating module and a carrying module. After getting out of the submarine body and reaching the designated working position, the brake of the three-phase asynchronous motor will fix the position of the lifting platform to ensure that the subsequent steps continue at the correct position. The rotating module starts to work after the lifting module reaches the designated working position and is locked. The hydraulic cylinder drives the rotating plate to turn it over to the level, and then triggers the push rotation lock driven by the stepping motor to realize the circumferential locking of the rotating plate. When recovering, the UUV approaches the recovery device by itself, equipped with modular hydraulic cylinders, normally closed electromagnetic locks, stepping motors, rotating hydraulic cylinders, and three-phase asynchronous motors, which work in sequence in accordance with the reverse process of deployment to complete the recovery operation.

A charging control system for walking robots includes a front charging interface, a back charging interface, a manual charging interface and a controller. The front charging interface is used for accessing a charging power supply from the front of a robot, and the front charging interface at least has a first power terminal, a first ground terminal and a first detection signal terminal. The back charging interface is used for accessing the charging power supply from the back of the robot, and the back charging interface at least has a second power terminal, a second ground terminal and a second detection signal terminal. The manual charging interface at least has a third power terminal, a third ground terminal and a third detection signal terminal. The controller is at least used for identifying signals from the manual charging interface at the robot end. The beneficial effect of the application is that the current charging state (front charging, back charging or manual charging) of the robot can be quickly and accurately identified. Thus, the current working status of the robot can be easily identified, and various workflows can be handled first.

The invention relates to a soft-switch full wave rectifying push-pull normal shock inverter, which is characterized in that the inverter comprises two switch pipes S1 and S2 on a primary side, a clamping capacitor Cc, two rectifying diodes D1 and D2 on a secondary side, a filtering inductor L1, a filtering capacitor C1, a transformer (the transformer comprises two primary side windings and two secondary side windings) and a resonance unit (the resonance unit comprises a resonance inductor Lr, a resonance capacitor Cr, three diodes D3, D4 and D5 and a switch pipe S3). According to the inverter, a connection and a disconnection without current of a primary switch pipe are realized, the problem of a hard on-off working state of the primary side switch pipe of the push-pull normal shock inverter is solved, meanwhile the rectifying diodes on the secondary side are disconnected without current, and the phenomenon of a reverse recovery peak of the rectifying diode is eliminated.

The invention discloses an adjusting method for preventing flying of a high speed pantograph type current collector. The pantograph type current collector comprises insulators (1), a pantograph type current collector mounting seat (2), a lower arm (3), a lower guide rod (4), an upper arm (5) and a pantograph head (6); the lower end of the lower arm (3) and the lower end of the lower guide rod (4)are mounted to the pantograph type current collector mounting seat (2) in a hinged manner; the upper end of the lower arm (3) and the upper end of the lower guide rod (4) are hinged to each other through a connecting rod; the lower end of the upper arm (5) is hinged to the upper end of the lower arm (3); the pantograph head (6) is mounted at the upper end of the upper arm (5); the pantograph typecurrent collector mounting seat (2) is mounted on the three insulators (1) and is obliquely arranged; one end of the lower arm (3) is higher than one end with the lower guide rod (4); and the lower arm (3) is parallel to a reference plane of a roof, or an included angle between the lower arm (3) and the reference plane of the roof is a negative angle so that the lower arm (3) is inclined to the bottom of the reference plane of the roof. On the premise of keeping an existing four-connecting-rod structure and the size of the pantograph type current collector invariable, the aerodynamic characteristic of the pantograph type current collector under a high speed operation condition is optimized, the air lifting force borne on the pantograph type current collector during operating as a spare folding pantograph is reduced to prevent the spare folding pantograph from flying; and therefore, the safety operation reliability of the pantograph type current collector of a multiple unit train is enhanced.

A charging control system suitable for a walking robot includes: a front charging interface, a rear charging interface, a manual charging interface and a controller. The front charging interface is used to access the charging power source from the front side of the robot, and the front charging interface has at least a first power terminal, a first ground terminal and a first detection signal terminal. The rear charging interface is used to access the charging power from the rear side of the robot, and the front charging interface has at least a second power terminal, a second ground terminal and a second detection signal terminal. The manual charging interface has at least a third power terminal, a third ground terminal and a third detection signal terminal. The controller is at least used to identify the signal from the manual charging interface on the robot side. The benefit of this application is that it can quickly and accurately identify the current charging state of the robot, whether it is front charging, rear charging, or hand charging. In this way, the current working status of the robot can be conveniently resolved, and various workflows can be prioritized.

The invention relates to a textile machine, comprising a plurality of stations having at least one consumer, in particular an electric drive, and a power supply unit having a plurality of power sources for supplying the at least one consumer with electrical energy. The power sources are designed in such a way that each power source supplies electrical energy independently of one another to at least some of the stations and is connected in parallel on the output side in order to jointly supply the power consumer. In order to provide a textile machine with high fail-safe performance, it is provided that the power sources are designed to detect and transmit the power data and / or operating temperature thereof to the control unit.

The invention discloses a liquid level detection circuit, a power supply control circuit and a disinfectant manufacturing machine. The disinfectant manufacturing machine comprises a control circuit; aliquid level detection circuit which is electrically connected with the control circuit; a power supply control circuit which is electrically connected with the control circuit; and an electrolysis device which is connected with the power supply circuit in the power supply control circuit. Through the arrangement, when the water level in the liquid storage container of the disinfectant manufacturing machine is low or no water exists, the control circuit can automatically control the signal source to output a low level, so that the power supply is automatically turned off, the disinfectant manufacturing machine is controlled to stop electrolysis, the disinfectant manufacturing machine is prevented from being in a working state all the time, and normal use of the disinfectant manufacturingmachine is guaranteed.

The invention provides a workbench with a copper bar bending machine. The work state that workers bend down to work for a long time is effectively avoided, the fatigue of the workers is relieved, the work efficiency of the workers is ensured, products cannot be disengaged from a whole workbench table board, and the work order on the site is ensured. The workbench with the copper bar bending machine comprises the table board and the copper bar bending machine, wherein the bottom of the copper bar bending machine is supported on the upper end face of the table board. The workbench is characterized in that the table board is supported on upper end parallel supporting points formed by combining multiple stand columns; the periphery of the table board upwards protrudes to form a guardrail.

The invention relates to the field of elevators, in particular to an elevator door lock switch. The elevator door lock switch comprises a switch bottom box, a main contact device, a secondary contact device and a circuit system, wherein the secondary contact device is connected with the circuit system; one side of the switch bottom box is provided with a mounting hole, the surface of the switch bottom box is covered by a cover plate, and the switch bottom box is provided with a rotating rod connecting assembly; and the rotating rod connecting assembly comprises a bolt pin and a rotating shaft which are mutually rotationally connected, the bolt pin passes through the mounting hole, the rotating shaft is rotationally arranged on the switch bottom box, the rotating shaft is connected with a telescopic device for recovering the position of the rotating shaft, a metal contact sheet connected with the main contact device and a safety device for protecting the safety are arranged on the boltpin, and the rotating shaft passes through the cover plate and is connected with a rocker arm assembly. The elevator door lock switch has the advantages that: the switch can play a role of a switch of a safety door lock under the conditions of simultaneous mechanical and electric control and simultaneous action, and the switch is safer and more reliable.