32results about How to "Guaranteed power off" patented technology

The invention relates to the field of life, in particular to a sitting posture correcting method. A correcting chair adopted in the method comprises a warning mechanism, a control mechanism, a backupplate, a fixing mechanism, a front protective plate, a supporting mechanism, a placing mechanism, a rotating shaft, a pull-up mechanism and an adjusting mechanism; the warning mechanism is arranged inthe backup plate. A switch is switched on, if the body of a user deviates towards the backup plate when the user uses the device to correct the sitting posture, an abutting plate moves backwards to extrude a spring, a first stop block is electrically connected with a second stop block, a loudspeaker gives an alarm to remind the user to correct the sitting posture, and the correcting effect is good; the adjusting mechanism is arranged at the top of the supporting mechanism, the switch is switched off, a first copper sheet and the loudspeaker are powered off, it is guranateed that the loudspeaker is powered off when the first copper sheet makes contact with the second copper sheet, the adjusting mechanism provides a rest place according to the user's height, and the use diversity of the device is improved; a slider is slidingly connected in the backup plate, the user can rapidly adjust the height of the slider according to his or her height, and the operation is easy.

The present disclosure relates to a Type-C adapter including a Type-C interface connected to the Type-C interface of a terminal, wherein when the Type-C interface is connected to the Type-C interface,the idle pin of the Type-C interface is connected to a first component and the first component is connected to a first level; an audio interface connected to the plug of an audio device; a first spring disposed in the audio interface and connected to the idle pin; and a second spring disposed in the audio interface and connected to the second component of the audio interface, wherein the second component is connected to a second level. When the audio interface is disconnected from the plug of the audio device, the first spring and the second spring are disconnected. According to the embodiment of the present disclosure, the MIC pin can be powered off in a shorter time while the plug of the audio device is pulled out of the audio interface, so as to ensure that the MIC pin has been poweredoff when the GND pin of the plug of the audio device comes to contact with the MIC pin, thereby preventing the current in the MIC pin from flowing into the plug of the audio device and causing POP tones.

The invention belongs to the technical field of automobile control systems and provides a vehicle-mounted charging mode end phase control method. The method comprises steps as follows: whether a vehicle-mounted charging relay is disconnected is detected after a command for disconnecting the vehicle-mounted charging relay is sent; if yes, whether a main positive sequence relay and a main negative sequence relay are disconnected is detected after a command for disconnecting the main positive sequence relay and the main negative sequence relay is sent; if the main positive sequence relay and the main negative sequence relay are both disconnected, the vehicle-mounted charging relay is successfully disconnected. With the adding of the process of detecting whether a vehicle-mounted charger, the main positive sequence relay and the main negative sequence relay are disconnected, disconnection of the whole high-voltage relay is guaranteed, damage to a battery pack due to unsuccessful disconnection of the high-voltage relay is avoided, and the service life of the battery pack is prolonged. Meanwhile, the safety level of the vehicle is improved with the control method, and the vehicle performance is optimized.

A power cord winder, which includes a winding box, a winding wheel located in the winding box and wire limiting rings at both ends, a coil spring connected to the winding shaft core at one end inside the winding sleeve, and is characterized in that An electrical connection assembly consisting of a conductive outer layer, an insulating inner layer and a conductive shaft core is provided on the protruding part of the bobbin sleeve; the outer side of the wire limiting ring is provided with a stopping rod connected to a vertical terminal to prevent the reel from rotating. Detent engagement assembly that simultaneously engages a set of electrical contacts. The synchronous interlocking function of the stopper and the electrical connection of the present invention can reduce the tension of the plug and the power cord so that the plug and the socket can be joined firmly, and there is no electricity when winding the wire, which increases the safety of household appliances and can effectively prevent random winding or breaking in the box. Knot.

The invention discloses a mechanical error-proof locking device for a 6kV high-voltage switchgear, relates to the technical field of high-voltage switch control, and solves the problem that the currently used anti-mistake locking device is mainly controlled by a mechanical lock, and the operation is cumbersome. Sometimes, it is inconvenient to control the revolving door from the inner position of the revolving door. A 6kV high-voltage switch cabinet mechanical anti-mistake locking device, including a cabinet body; the front side of the cabinet body is twisted and connected with a revolving door; the inner side of the revolving door is fixed with an intermediate frame; the cabinet body There is a control shaft rotating at the lower part of the inner side of the inner side. By setting the control rack, the revolving door can be fixed. The revolving door can be controlled from the outside by using the hand wheel, and the revolving door can be controlled from the inside by using the knob. The control is convenient. Through the control The shaft drives the main control gear to rotate and then engages the control rack to move to one side. The control rack can be used to align the revolving door with the front inner wall of the cabinet and fix it with the insert block.

The present disclosure relates to a Type-C adapter including a Type-C interface connected to the Type-C interface of a terminal, wherein when the Type-C interface is connected to the Type-C interface,the idle pin of the Type-C interface is connected to a first component and the first component is connected to a first level; an audio interface connected to the plug of an audio device; a first spring disposed in the audio interface and connected to the idle pin; and a second spring disposed in the audio interface and connected to the second component of the audio interface, wherein the second component is connected to a second level. When the audio interface is disconnected from the plug of the audio device, the first spring and the second spring are disconnected. According to the embodiment of the present disclosure, the MIC pin can be powered off in a shorter time while the plug of the audio device is pulled out of the audio interface, so as to ensure that the MIC pin has been poweredoff when the GND pin of the plug of the audio device comes to contact with the MIC pin, thereby preventing the current in the MIC pin from flowing into the plug of the audio device and causing POP tones.

The invention discloses a repeatable connecting and separating device. The repeatable connecting and separating device comprises a shell, a motor, a driving part, a locking hook, a guide part and pinshafts, wherein the motor is installed on the shell, the locking hook, the driving part and the shell sleeve the guide part in sequence, after the pin shafts are fixedly connected with the locking hook, the two ends of the pin shafts protrude on the surface of the locking hook, one ends of the pin shafts are clamped into first curve grooves of the guide part, and the other ends of the pin shafts are clamped into second curve grooves of the driving parts; the shell is fixedly connected with the guide part; the motor drives the driving part to rotate horizontally, the driving part horizontally rotates to make the pin shafts relatively move in the second curve grooves of the driving part, and meanwhile, the relative motion of the pin shafts is limited by the first curve grooves of the guide part; the pin shafts drive the locking hook to stretch out of or draw back from the shell; the locking hook is used for locking or unlocking an outer connecting and separating device. A fastening separating device of a modularized spacecraft comprises a compressing releasing device and the repeatable connecting and separating device.

The invention discloses a spraying station XY shafting safety detection system. According to the technical scheme, the system comprises a transversely-arranged safety grating and a longitudinally-arranged safety grating, the transversely-arranged safety grating and the longitudinally-arranged safety grating are used for detecting operators entering a spraying station, when the gratings are blocked, the transversely-arranged safety grating or the longitudinally-arranged safety grating outputs a blocking signal, the transversely-arranged safety grating and the longitudinally-arranged safety grating are both coupled with a processor, the processor outputs a control signal when receiving the blocking signals output by the safety gratings, the processor is further coupled with a relay, the normally-closed contact of the relay is coupled with a power supply circuit of the spraying station, when the relay receives the blocking signals, the normally-closed contact is controlled to be disconnected, and therefore the occurrence of accidents caused when the operators enter the spraying station can be reduced.

The invention relates to an electric hoist for mechanical equipment transferring in a workshop manufacturing and scheduling process. The problem that in the prior art, safety is poor when outages and overload often happen is effectively solved. According to the technical scheme, the electric hoist comprises a lifting device and a braking device. The braking device comprises a first driving rotating shaft, wherein the first driving rotating shaft drives a roller to rotate. A rolling wheel is arranged on the first driving rotating shaft, and a brake is arranged on the rolling wheel. A clamping plate is connected to a fixing plate in a rotating mode, the end of the clamping plate makes contact with a first protruding block of a cross-shaped rotating plate, an arc-shaped groove is formed in the lower end of the clamping plate, and a push rod is arranged in the arc-shaped groove. A first sliding shaft is arranged at the lower end of the fixing plate, a push rod sleeve is arranged on the first sliding shaft, and one end of the push rod abuts against the arc-shaped groove so that the push rod cannot penetrate through the clamping plate. Push plates are connected with the two ends of the cross-shaped rotating plate in a rotating mode, and the two push plates are connected through a first spring with high toughness. A second protruding block is arranged on the push rod, the push plates are blocked by the second protruding block, and the ends of the push plates are connected with the brake. By the adoption of the electric hoist, the situation that the danger appears is greatly reduced.