138results about How to "Achieve disconnection" patented technology

The invention discloses a coaxial contact element and an electric coupler using the same. The coaxial contact element comprises an inner conductor and an outer conductor, wherein the front end of the outer conductor is provided with a canular outer conductor splicing end arranged around an inner conductor splicing end; the outer diameter of the canular outer conductor splicing end is bigger than one subsequent integrally-extending part thereof so as to form a first convex annular table structure on the front end of the outer floating conductor; the outer wall of the outer conductor is provided with a second convex annular table structure in the position far away from the splicing end; the outer wall of the outer conductor is successively sheathed with a spring and a sliding sleeve from front to back between the corresponding annular end surface of the first annular table structure and the second annular table structure; the outer wall of the sliding sleeve is provided with an axially-fixed bulge which is detachable with the corresponding structure in the case of an adaptive connector. The contact element of the invention can realize tight inserting and contact under the action of spring force, and the electrical length of the connector does not change so as to realize the phase stabilizing function of the connector and improve the anti-vibration performance and the impact performance of the connector.

The invention provides a new energy vehicle charging system, which includes a charging pile, a horizontal moving component and a vertical alignment component. The horizontal moving component is installed on the ground on the right side of the charging pile, the vertical alignment component is installed at the upper end of the horizontal movement component, the horizontal moving component includes an installation seat, a first small motor, a first screw rod, a front fixing frame, a first ball nut seat, a rear fixing frame, a rack, a second small motor, a fixing seat, a rotating shaft, a first gear, a second gear, a second rotating shaft and a bottom plate, and the vertical alignment component comprises a moving frame, a second lead screw, a charging plug, a cylinder, a carrier, a third small motor (306), a limit frame, a spring, an iron ring and an electromagnet. Compared with the prior art, the new energy vehicle charging system has the following beneficial effects that adjustment of the horizontal position of the charging plug is convenient, adjustment of the vertical position of the charging plug is further convenient, automatic connection and disconnection of the charging plug are realized, and charging completion reminder can be conducted.

The invention provides a visual reality capsule endoscope, and relates to the medical technical field. The visual reality capsule endoscope comprises an endoscope body. Two camera shooting devices are arranged inside the endoscope body. Each camera shooting device comprises a CCD imaging sensor and a camera shooting lens. The included angle of the camera shooting direction of the two camera shooting devices ranges from 3 degrees to 5 degrees. Each CCD imaging sensor is connected with an image processing module, and the image processing module is connected with a wireless communication module. The endoscope body is connected with a display screen through the wireless communication module in a wireless communication mode. By arranging the two camera shooting devices inside the endoscope body, double-eye stereoscopic visual observation is achieved. Two collected images are displayed on the display screen through wireless transmission by the camera shooting devices. Due to the included angle of the camera shooting direction of the two camera shooting devices, two images with a horizontal parallax are obtained. Due to the fact that the images which are collected by the two CCD imaging sensors are displayed on the same display screen, a three-dimensional image is observed.

The invention relates to a zero-current switched-off solid state relay, which comprises a power voltage zero-crossing pulse generation circuit, a switching-off pulse generation circuit, an external control switch signal circuit, a switch master control circuit and a switch transistor circuit, wherein the output end of the power voltage zero-crossing pulse generation circuit is electrically connected with the voltage signal input end of the switch master control circuit; the output end of the switching-off pulse generation circuit is electrically connected with the switching-off signal input end of the switch master control circuit; the output end of the external control switch signal circuit is electrically connected with the control signal input end of the switch master control circuit; and the control signal output end of the switch master control circuit is electrically connected with the input end of the switch transistor circuit. The solid state relay can be switched on in the zero-crossing of a power voltage and switched off in the zero-crossing of a load current, avoids relatively more intensive impact to a switch at the moment of switching a circuit on and off, protects the switch and prolongs the service life of the switch.

The invention provides a circuit for realizing the soft off of a computer, and a control method thereof. A double-pole single-throw reset switch is arranged; moreover, one group of contacts of the double-pole single-throw reset switch are connected with a logic control circuit; and another group of contacts of the double-pole single-throw reset switch are connected with a relay in parallel, and then the ends of the contacts connected with the relay in parallel are connected with an AT power supply, therefore, the soft off function can be realized by using the logic control circuit to control the connection of the relay and the complete disconnection of the circuit can be realized by using the logic control circuit to control the disconnection of the relay so as to satisfy use occasions with higher safety requirements.

The invention discloses an oil cylinder driving lifting mechanism and a dynamic compactor. The oil cylinder driving lifting mechanism comprises a fixed pulley block, a movable pulley block, a lifting rope, a driving oil cylinder and an automatic connection device, wherein a first end of the driving oil cylinder is connected with a vehicle body of the dynamic compactor; a second end of the driving oil cylinder is connected with the movable pulley block in a removable manner; and when the second end of the driving oil cylinder moves to a connection position from a disconnection position, the automatic connection device is disconnected from the second end of the driving oil cylinder and is connected with the movable pulley block. After the movable pulley block is driven to a set position which corresponds to the disconnection position, the driving oil cylinder can be connected with the movable pulley block in the removable manner, and a pounder is released to perform tamping. Tamping energy loss caused by the driving oil cylinder is avoided.

The invention discloses a combined type parking valve and other vehicles. The combined parking valve comprises an operating rod, a push rod, a valve body, a first sub-valve and a second sub-valve, wherein the operating rod is suitable for pushing the push rod toward a first direction or a second direction; the valve body is provided with an air inlet, a first valve port and a second valve port, the first valve port and the second valve port are respectively connected with a first parking system and a second parking system; the first sub-valve and the second sub-valve are arranged in the valvebody. The operating rod pushes the push rod toward the first direction, the push rod drives the first sub-valve to move, thereby cutting off the communication between the air inlet and the first valveport, and the push rod drives the second sub-valve to move, thereby cutting off the communication between the air inlet and the second valve port; the operating rod pushes the push rod toward the second direction, and the push rod drives the second sub-valve to move, thereby cutting off the air inlet and the second valve port. According to the combined type parking valve, the combined type parking valve is controlled to control the first parking system and the second parking system, the operation is simple, the arrangement space is saved, the production cost is reduced, and the driving experience of a driver is improved.

The invention discloses a high-speed punching hydraulic circuit of a hydraulic punching machine. The high-speed punching hydraulic circuit comprises an oil cylinder, a high-voltage circuit, a low-voltage circuit, a change valve, a high-voltage pump used for supplying oil to the high-voltage circuit and a low-voltage pump used for supplying oil to the low-voltage circuit; the change valve is used for changing directions of an upper cavity of the oil cylinder, a pipeline formed after the high-voltage circuit and the low-voltage circuit are converged, and a return pipeline; a low-voltage energy accumulator, a one-way valve and a low-voltage unloading valve are arranged on the low-voltage circuit; a lower cavity of the oil cylinder is connected with the low-voltage circuit; a high-voltage unloading valve, a one-way valve, a high-voltage energy accumulator and a directly-operated type balanced normally open logic valve are arranged on the high-voltage circuit; an oil discharge outlet of the logic valve is connected with the upper cavity of the oil cylinder, and a pressure guide hole of the logic valve is connected with the lower cavity of the oil cylinder; and an oil outlet of the high-voltage unloading valve is connected with the low-voltage circuit. According to the high-speed punching hydraulic circuit of the hydraulic punching machine, the opening and the closing of the logic valve are controlled through pressure change of the upper and lower cavities of the oil cylinder, so that the connection of the high-voltage circuit is controlled, and automatic connection and disconnection of pressure oil from the high-voltage circuit to the low-voltage circuit can be implemented.

The invention discloses a coalbed methane well automatic drainage gas recovery device, the structure of which comprises a gas well main body, a water outlet pipe, a rock formation, an automatic drainage mechanism, a coal seam, a coalbed methane discharge pipe, and a water pipe outlet. The gas well main body penetrates through the rock formation and is connected to the bottom coal seam , the water outlet pipe runs through the inside of the main body of the gas well, the outlet of the water pipe is arranged on the top of the water outlet pipe, and is fixedly connected by a connector, the coal seam is arranged below the rock layer, and the coalbed methane discharge pipe is arranged above the main body of the gas well, and passed through Bolts are fixed, and the automatic drainage mechanism is composed of a waterproof protective case, a water inlet mechanism, a transmission mechanism, a circuit closing device, and a drainage pump. The waterproof protective case is welded to the side of the drainage pump. The gas device can accurately detect whether there is water seepage at the bottom of the coalbed methane well, and automatically start the drainage pump to drain water, avoiding water flooding and damage caused by untimely detection of drainage, effectively ensuring the normal operation of the coalbed methane well, and helping to increase production.

The invention discloses a relay contact performance detection device applied to a relay protection device. A 220V direct current voltage is connected to one end of a relay contact through a first control switch, the other end of the relay contact is connected to a 30W circuit and a 1000W circuit, the 1000W circuit is connected to the relay contact through a second control switch, the operations and on-off of the relay contact are controlled by the relay protection device; a direct current voltage transmitter is used for acquiring the voltage of the relay contact; an Event (EV) manager conditions the circuit output through Pulse Width Modulation (PWM) waves to drive the control switches; a voltage acquisition circuit makes output to an Analog to Digital Converter (ADC) module; the states ofthe control switches are fed back to an Input/Output (IO) interface of a Digital Signal Processing (DSP) controller through a digital circuit; a communication module of the DSP controller communicates with a host computer through an Ethernet circuit. The invention is used for judging whether the relay has been damaged, and counting the number of operations of the relay, thus facilitating detection of the relay contact applied to relay protection.

The invention discloses a fixed-range pulling device for textile yarns, and belongs to the field of textile processing machinery and equipment. The outer side of a pulling belt is provided with a pulling rack, a pulling motor is in transmission connection with the pulling belt by adopting a transmission belt, a reciprocating guide plate is slidably arranged in a reciprocating guide rod, a pullingplate gear is in engaged connection with the pulling rack, a backward tension spring is horizontally connected between the reciprocating guide plate and a reciprocating base, the side, along a forwardstop lever, above the reciprocating guide plate is fixedly provided with a yarn supporting connecting plate, the ends of the upper and lower sides of a pulling bracket are horizontally and rotationally connected with a yarn inlet rotating roller and a yarn outlet rotating roller respectively, and a drafting assistance rotating roller is horizontally arranged between an upper drafting rotating roller and a lower drafting rotating roller. The fixed-range pulling device for the textile yarns has the advantages that the structural design is reasonable, pulling processing can be conducted on the textile yarns rapidly and stably, the horizontal pulling amplitude can be adjusted according to the types and specifications of the textile yarns, the automation degree of yarn pulling processing is improved, and the processing and use needs are met.

The invention provides a car carrying board, a stereo parking garage and a charging system and method. The car carrying board is provided with a placement part which can be used for placing a chargingconnector. A first electrical contact body is fixed to the car carrying board, and the first electrical contact body is electrically connected with the charging connector. When the car carrying boardis located at a first position, the first electrical contact body communicates with a second electrical contact body, and the second electrical contact body is used for communicating with a chargingpile. The stereo parking garage includes the car carrying board. By using the car carrying board, the need for users to climb stairs frequently to charge vehicles is eliminated, and convenience and efficiency are achieved. The charging system and method realize automatic control over parking and charging of the vehicles, and manpower and time are saved.

The invention discloses bridge construction equipment. The bridge construction equipment comprises a cabinet body and an electric connector, which is inserted in the cabinet body, and is connected with the cabinet body in a cooperated way. The four corners of the bottom part of the cabinet body are fixedly provided with supporting columns, the bottom parts of which are provided with rolling wheels rotatably. A clamping groove having an opened end facing forward is disposed in the cabinet body, and the rear end part of the clamping groove is provided with a penetrating cavity communicated with the clamping groove. An electric connection groove communicated with the penetrating cavity is disposed in the rear end part of the penetrating cavity, and control grooves communicated with the penetrating cavity are symmetrically disposed in the cabinet body on the left side and the right side of the electric connection groove. Closing devices used to closing the electric connection groove are symmetrically disposed in the cabinet body on the left side and the right side of the electric connection groove. The bridge construction equipment has advantages of simple structure, safe and stable power supply, safe and reliable integrated operation, adaptability in popularization and application, and ability of effectively reducing electric shock accidents in daily life.

The invention belongs to the field of new energy automobiles, and particularly relates to a new energy vehicle charging gun. The new energy vehicle charging gun comprises a gun body, wherein the frontend of the gun body is fixedly connected with a plug, the gun body is internally provided with a cavity and a cooling cavity which are filled with insulation liquid, and the cavity communicates withthe cooling cavity through a connection channel. The cavity is internally provided with: a conductive plate fixedly connected at the side wall of the cavity, wherein the conductive plate is electrically connected with the plug; a movable plate arranged with the conductive plate side by side; a memory spring, wherein two ends of the memory spring are respectively fixedly connected with insulation blocks, and the two insulation blocks are respectively fixedly connected with the movable plate and the side wall of the conductive plate; and a first conductive barrel fixedly connected with the sidewall of the conductive plate, wherein the first conductive barrel is formed by a conductive ring and an insulation ring. When the charging gun is high in temperature, the automatic outage protection can be achieved to cool the internal portion of the charging gun so as to greatly reduce the accidents due to too high temperature in the charging process.

The invention discloses a safe welding device. The safe welding device comprises a frame body and an electric connector inserted in the frame body for matching connection, wherein fixed plates are fixedly mounted at the lower end parts of the left side and the right side of the frame body; a fixed hole which runs through up and down is formed in each fixed plate; a clamping groove is formed in the frame body, and an opening of the clamping groove is forward; an inserting groove communicating with the clamping groove is formed in the rear end part of the clamping groove; an electric connection groove communicating with the inserting groove is formed in the rear end part of the inserting groove; control grooves communicating with the inserting groove are symmetrically formed in the frame body on the left side and the right side of the electric connection groove; sealing devices for sealing the electric connection groove are further symmetrically formed in the frame body on the left side and the right side of the electric connection groove; a sliding groove is further formed in the frame body; and a pipe barrel cavity extending backwards is arranged at the middle part of the rear end part of the sliding groove. The safe welding device is simple in structure, safe and stable in power supply and safe and reliable in overall operation, the accidents of electric shocks in daily life are effectively reduced, and the device is applicable for popularization and application.

The invention discloses an electric control distance-adjusting type gas spark switch used for an electromagnetic pulse simulator, and belongs to the pulse power device technology field. During the use, a power switch is closed, and an electromagnetic coil is electrified to generate electromagnetic force, and is used to drive an electromagnetic core to move a compression spring upwards, and thereafter an insulation rod is used to drive a trigger electrode to move upwards, and a trigger gap between an input electrode and an output electrode is reduced for triggering, and therefore an input end and an output end are conducted. The power switch is disconnected, and the electromagnetic coil is not electrified, and the electromagnetic force disappears, and then the electromagnetic core moves downwards under the action of the elastic force of the compression spring, and therefore the insulation rod is used to drive the trigger electrode to move downwards, and the trigger gap between the input electrode and the output electrode is increased, and therefore the input end and the output end are disconnected. The electric control distance-adjusting type gas spark switch is advantageous in that the structure is simple, and the operation is convenient; an ability of bearing high voltage and high air pressure is strong; good sealing performance and good shielding performance are provided; pulse source rising time is reduced, and the immunity to external interferences of the switch is enhanced, and therefore waveform quality is improved.

The invention discloses a dynamic coupling and separating device, a hybrid power system and a crane, and relates to the field of engineering machinery. The dynamic coupling and separating device is used for disconnecting transmission chains in the hybrid power system simply and conveniently. The power coupling and separating device comprises a power take-off and a clutch, wherein the power take-off is connected with a pump/motor via the clutch; the clutch can be used for connecting and disconnecting the transmission chains between the power take-off and the pump/motor. The power coupling and separating device provided by the technical scheme can conveniently disconnect the power chains between a transmission and the pump/motor by disconnecting the clutch when requiring, and the operation is very simple, convenient and reliable.

The invention belongs to the field of new energy automobiles, and particularly relates to an anti-off mechanism for new energy automobile charging. The anti-off mechanism includes a charging head anda limit slot arranged in an automobile charging port. The charging head includes a conductive head and a grip head. The conductive head is provided with a plug at the front end, the back end of the conductive head is a first conductive surface, and a first permanent magnet piece is embedded into the conductive head. The back end of the grip head is electrically connected with an external power line, and the front end of the grip head is a second conductive surface. Power transmission between the conductive head and the grip head is realized through the contact between the first conductive surface and the second conductive surface. A second permanent magnet piece is embedded into the grid head. The first permanent magnet piece and the second permanent magnet piece attract each other becauseof opposite poles. The conductive head and the grip head are connected by a connector. The safety of the charging gun in the use process can be improved. An overheating protection mechanism is arranged, which not only can prolong the service life of the charging gun, but also can reduce the occurrence of accidents caused by overheating.

The invention relates to a system and method for automatically testing on-off of a memory network. The system comprises a background, an intelligent switch, a switch and a memory; the background is respectively in network connection with the intelligent switch and the memory; the intelligent switch is connected with a power supply of the switch; and the switch is in network connection with the memory. The method comprises the following steps: building an automatic test environment based on the background, the intelligent switch, the switch and the memory; running automatic test scripts in thebackground, sending a command to the intelligent switch, and driving a corresponding circuit to control the connection and disconnection of the memory network; configuring the test scripts through thebackground, and performing the storage network on-off test according to different test scripts; and collecting test data in the background and saving the test data. According to the system for automatically testing the on-off of the memory network provided by the invention, the storage network on-off test can be completed remotely, the test time can be shortened, the human input can be reduced, the test efficiency can be improved, and frequent repeated test can be carried out on the on-off of the memory network.

The invention provides electronic equipment and a control method, and relates to the technical field of communication. The electronic equipment comprises a shell with an accommodating space, wherein the shell is provided with a groove around the accommodating space, and the bottom surface of the groove is provided with a first electrode and a second electrode; a watch frame, wherein at least one part of the watch frame is arranged in the groove. When the watch frame is located at the first position of the groove, the first electrode and the second electrode are conducted; under the condition that the watch frame is located at the second position of the groove, the first electrode and the second electrode are disconnected. The scheme of the invention is used for solving the problem that theoperation is inconvenient because the dial plate is small in size because the finger shields the dial plate during the operation of the existing scheme.

The invention discloses an intelligent power supply control system and an intelligent power supply control method. The control system comprises a relay driving circuit, a relay, a controlled loading loop, a central control unit, an infrared sensor and a door movement monitoring unit, wherein the relay is connected with a control output end of the relay driving circuit; the ON/OFF of the controlled loading loop is controlled by the relay; the central control unit is connected with a control input end of the relay driving circuit; and the infrared sensor is used for the central control unit to control the ON/OFF of the controlled loading loop when an infrared mobile signal is monitored. The control method comprises the following steps that: the infrared sensor monitors that the infrared mobile signal exists in the room, the central control unit controls the relay to conduct the controlled loading loop through the relay driving circuit; and when the door movement monitoring unit monitors the door open or close action, and the infrared sensor monitors that the infrared mobile signal does not exist in the room in the preset time, the central control unit controls the relay to cut off the controlled loading loop through the relay driving circuit so as to realize automatic starting or cutting off of a load power.

The invention provides an elevator door vane which comprises a bottom plate (1), a left vane arm (2), a right vane arm (3), an upper connecting rod (4) and a lower connecting rod (5). The two ends of the upper connecting rod (4) are movably connected with the left vane arm (2) and the right vane arm (3) respectively, and the two ends of the lower connecting rod (5) are movably connected with the left vane arm (2) and the right vane arm (3) respectively. The elevator door vane further comprises a lock hook assembly (12), a positioning plate (13) and a swing arm (14). The lock hook assembly (12) comprises a lock hook (121), a contact (122) and an unlocking connecting part (123), and the lock hook (121), the positioning plate (13) and the swing arm (14) are fixed in a riveted mode and movably connected to the bottom plate (1) through a third connecting shaft (63). The elevator door vane has the advantages that the lock hook assembly, the positioning plate and the swing arm are fixed and then movably installed on the bottom plate so that synchronization of unlocking of the lock hook and the disconnection of the switch contact on the swing arm can be achieved, and the smoothness and the safety of door opening and closing when an elevator is at a flat bed are improved.

The invention discloses an anti-slippery bio-based rubber shoe sole and a preparation method and a mold thereof. The anti-slippery bio-based rubber shoe sole comprises the following components in parts by weight: 50 parts of bio-based solution polymerized styrene-butadiene rubber, 26 to 34 parts of carboxylated nitrile rubber, 16 to 24 parts of epoxidized natural rubber, 35 to 50 parts of white carbon black, 2.1 to 2.8 parts of a silane coupling agent, 1.2 to 1.5 parts of stearic acid, 1.0 to 1.3 parts of an anti-aging agent, 1.9 to 2.5 parts of an active agent, 4 to 6 parts of zinc oxide, 1.2 to 1.5 parts of polyethylene wax, 1.4 to 1.8 parts of an anti-frosting agent, 1.3 to 1.7 parts of tackifying resin, 1.0 to 1.2 parts of a vulcanization accelerator, and 1.1 to 1.5 parts of insoluble sulfur. When the bio-based solution polymerized styrene-butadiene rubber is prepared and polymerized, carboxylated solution polymerized styrene-butadiene rubber, zinc oxide, stearic acid and epoxidized soybean oil are internally mixed in an internal mixer to construct an ester group cross-linked network structure, and the advantage that oil is not separated out is achieved. Besides, during vulcanization molding, ion pairs formed by zinc ions and carboxyl group in a rubber material can be used as reinforcing points, so a crosslinking degree is improved, and the mechanical properties of a bio-based rubber outsole are improved.

The invention relates to a network line interface which comprises a plug main body and an external model, wherein a short elastic sheet is arranged at the front end part of the plug main body, and a limiting through slot is formed at the rear end part of the plug main body by upward bulging. The network line interface is provided with a pushing element which is movably matched with the network line interface, wherein the pushing element penetrates through the limiting through slot and is matched with the short elastic sheet in a pushing-pressing manner. Compared with the prior art, the network line interface provided by the invention has the advantages that an elastic sheet protector of the network line interface in the prior art is cancelled, an elastic sheet in the prior art is replaced by the short elastic sheet, and the cut-off between the network line interface and a butting interface is realized through the pushing-pressing matching between the pushing element with a key function and the short elastic sheet. According to the network line interface, the condition that the short elastic sheet easily slides out of the butting interface because the short elastic sheet is touched by an external force can be avoided, and the connectivity and service safety of a network can also be improved.

A high pressure regulating valve (1) has a valve body (2) provided with an inlet (20) and an outlet (21), and a sealing element (4) mounted on a valve seat (3) and comprising a valve bore (30). The valve seat (3) is disposed on the valve body (2) between the inlet (20) and the outlet (21). An operating element (5) is formed along a longitudinal axis and movably supported by and suitably configured to be operated by an electromagnet (6). An armature (62) of the electromagnet (6) and the operating element (5) are executed as separate unconnected components.