46results about How to "Prevent abnormal opening" patented technology

The invention provides an electric car motor controller active discharge control circuit, and belongs to the field of an active discharge control circuit. The electric car motor controller active discharge control circuit comprises an active discharge logic circuit, a discharge circuit, a bus capacitor, a power insertion circuit and a motor controller. The active discharge circuit emits active discharge switch driving signals to control the discharge circuit, a bus power supply output end is respectively connected with the input end of the discharge circuit and the input end of the bus capacitor, the input end of the power insertion circuit is connected with the output end of the discharge circuit and the output end of the bus capacitor, and the output end of the power inversion circuit is connected with the input end of the motor controller. The electric car motor controller active discharge control circuit is simple, safe and reliable, meets the requirement for rapid active discharge under the condition that a vehicle needs discharge, and can also prevents the active discharge circuit from being abnormally open due to a too large bus DC back electromotive force under the condition of high-speed zero load of a vehicle motor.

The invention discloses a refrigerator and storage box of the refrigerator. The storage box of the refrigerator comprises a body and a cover. The cover of the storage box is provided with a rotating shaft; a positioning sleeve with positioning lugs is fixed on the rotating shaft; two side plates of the storage box are provided with positioning sleeve holes for accommodating the positioning sleeve; two positioning slots are arranged on the positioning sleeve holes; when the cover of the storage box does not cover the storage box, the positioning lug boss is inserted into the first positioning slot; and when the cover of the storage box covers the storage box, the positioning lug boss is inserted into the second positioning slot. Because the storage box is provided with the positioning sleeve and the positioning sleeve holes, and the cover of the storage box is positioned by the positioning sleeve and the positioning structures on the positioning sleeve holes, the problems that the storage box with a cover in the prior art can not be positioned completely and is not stable are solved.

The invention discloses a control method of an intelligent safe box, is suitable for intelligent safe boxes subjected to wireless remote control unlocking / locking by adopting the Bluetooth communication technology. The intelligent safe box comprises a box body, a box door, a lock assembly, a Bluetooth receiving control module and a terminal equipment. According to the control method, before the Bluetooth receiving control module is connected with the terminal equipment, the operation manner switches between a broadcast state and a dormant state, so that on one hand, the connection request of the terminal equipment can be responded timely in the broadcast state, on the other hand, the broadcast state can be switched to the dormant state with low power consumption to achieve the energy saving purpose; in addition, as time goes on, the control method can relatively reduce the broadcast time and increase the dormant time while ensuring the timely response, so that the power consumption of the Bluetooth receiving control module can be further reduced.

The invention relates to the technical field of kitchen ware control, and discloses a control method and device of a dish-washing machine, the dish-washing machine and a readable storage medium. The method comprises the steps that the opening and closing state of a door of the dish washing machine in the washing process is detected; when it is detected that the door of the dish-washing machine is opened and closed again in the washing process, state parameters in a washing cavity of the dish-washing machine are obtained; and if the state parameter is greater than the state parameter preset value, the depressurization part is controlled to start a target duration and then starting the washing operation. By means of the dish-washing machine, the situation that cold air enters the washing cavity and expands at high temperature is avoided, the air pressure in the washing cavity is prevented from rising rapidly, the problem that a door of the dish-washing machine is opened abnormally is solved, and then the use safety and reliability of the dish-washing machine are guaranteed.

The invention relates to an intelligent compact shelf, and particularly relates to an automatic ventilation and dust removal intelligent compact shelf. The automatic ventilation and dust removal intelligent compact shelf can replace manual cleaning. The automatic ventilation and dust removal intelligent compact shelf comprises a cabinet body, cabinet doors, square plates, pressure sensors, and placing net plates, wherein the number of the cabinet doors is two, and the two cabinet doors are both installed on the cabinet body in a rotating mode; the number of the square plates is two, and the square plates are both installed on the cabinet body; the number of the pressure sensors is two, and the two pressure sensors are both installed on the square plates; and the number of the placing net plates is two, and the placing net plates are both installed on the pressure sensors. The interior of the cabinet body can be ventilated through a ventilation mechanism, dust in the cabinet body can be removed through a dust removal mechanism, the cabinet doors can be clamped through a clamping mechanism when the cabinet doors are not used, the cabinet doors are prevented from being opened abnormally, the size of the ventilation opening can be adjusted through an air opening adjusting mechanism, and ventilation is more convenient; and the cabinet body can be in a closed state through a sealing mechanism so that dust removal of the cabinet body is facilitated.

The invention relates to an inclined buckle vertical-press type box and a manufacturing technology. The inclined buckle vertical-press type box comprises a box body and a box cover, and the box body and the box cover are respectively provided with an inclined buckle vertical-press structure and an inclined face locating mechanism which are in bidirectional or single-direction inserted connection at the respective combination positions. End inclined buckle vertical-press structures are arranged on the other sides of the box body and the box cover perpendicular to the inclined buckle vertical-press structures. The manufacturing technology comprises the steps that guide sliding grooves and reinforcing ribs are arranged on the peripheral sides of the opening end of the box body, and foot pads are arranged at the four foot positions of the bottom end of the box body; inclined buckles are arranged at the positions, corresponding to the guide sliding grooves of the box body, of the box cover, an electronic lock mounting position is arranged on an inner plane of the box cover, wrench positions are arranged at the four corner ends of the box cover, foot pad containing positions are arranged on an outer plane of the box cover, and a penetrating opening is formed in the position, corresponding to the electronic lock portion of the box cover, of the box body; in the die opening process, the peripheral sides of the reinforcing ribs of the box body pass through sliding blocks, and the inclined buckles of the box cover pass through inclined tops; an electronic lock is clamped and locked in the inner plane of the box cover; the electronic lock is powered by an externally-hung power supply, and then an instruction is sent out through an intelligent lock remover or scanning terminal equipment with an unlocking instruction to control a locking dog in the electronic lock to be unlocked and locked.

The invention relates to a vomit collecting device, in particular to a vomit collecting device for the digestive system department, and provides the vomit collecting device for the digestive system department, which can be automatically cleaned after vomiting and isolate vomit smell. The vomit collecting device for the digestive system department comprises a shell, a movable basin and a rotating plate; the movable basin is mounted on the shell in a sliding manner; and the rotating plate is rotationally mounted on the shell. According to the invention, an opening assembly can open a clamping frame when a user vomits; vomit can be collected through a collecting assembly; meanwhile, the collecting frame can be clamped and prevented from being opened abnormally; a cleaning assembly can clean the movable basin; the situation that vomit is left and peculiar smell is generated is avoided; an automatic assembly can automatically flush water to clean the movable basin when the user vomits; meanwhile, the user does not need to support the movable basin all the time; and an auxiliary assembly can automatically loosen a fixing block to enable the movable basin to slide upwards to reset after flushing is completed.

The invention discloses a container door lock which comprises a lock body and a lock box. The lock body comprises a lock core, a lock seat, an upper hinged rod, a lower hinged rod, an upper lock rod,a lower lock rod and a lock cover tightly fixed on a door plate, the bottom of the lock core penetrates through a lock core hole of the lock cover till a lock head of the lock core abuts against the outer side surface of the lock cover, an upper end horizontal plate of the lock cover is provided with an upper direction guiding hole allowing the head portion of the upper lock rod stretching out, and a lower end horizontal plate of the lock cover is provided with a lower direction guiding hole allowing the head portion of the lower lock rod stretching out; and the lock box comprises a lock box body, an upper lock plate and a lower lock plate, the upper lock plate is provided with an upper position-limiting hole allowing the head portion of the upper lock rod inserting into, the lower lock plate is provided with a lower position-limiting hole allowing the head portion of the lower lock rod inserting into, and a cover plate of the lock box body is provided with a key hole allowing a specialized key inserting into. According to the container door lock, by means of the manner that the upper lock rod and the lower lock rod of the lock body are fixed at two ends, the lock box welded on a lock rod of the container is made to limit the rotation of the lock rod of the container, so that locking of the door plate is realized, and abnormal opening of the door plate is further prevented.

The invention discloses a control method of an intelligent safe box, is suitable for intelligent safe boxes subjected to wireless remote control unlocking / locking by adopting the Bluetooth communication technology. The intelligent safe box comprises a box body, a box door, a lock assembly, a Bluetooth receiving control module and a terminal equipment. According to the control method, before the Bluetooth receiving control module is connected with the terminal equipment, the operation manner switches between a broadcast state and a dormant state, so that on one hand, the connection request of the terminal equipment can be responded timely in the broadcast state, on the other hand, the broadcast state can be switched to the dormant state with low power consumption to achieve the energy saving purpose; in addition, as time goes on, the control method can relatively reduce the broadcast time and increase the dormant time while ensuring the timely response, so that the power consumption of the Bluetooth receiving control module can be further reduced.

The invention provides an active discharge control circuit of an electric vehicle motor controller, which belongs to the field of active discharge control circuits. The invention includes an active discharge logic circuit, a discharge circuit, a bus capacitor, a power inverter circuit, and a motor controller. The active discharge logic circuit sends out an active discharge switch drive signal to control the discharge circuit, and the bus power output ends are respectively connected to the The input end of the discharge circuit is connected to the input end of the bus capacitor, the input end of the power inverter circuit is connected to the output end of the discharge circuit and the output end of the bus capacitor, and the output end of the power inverter circuit is connected to the input end of the motor controller . The circuit of the invention is simple, safe and reliable, which not only satisfies the rapid and active discharge of the vehicle under the required discharge conditions, but also satisfies the excessively large DC back electromotive force of the busbar under the condition of high speed and no-load of the vehicle motor to prevent the active discharge circuit from being abnormally opened.

The invention relates to a new energy automobile charging pile, in particular to a new energy automobile charging pile with heat dissipation and rainproof functions. The technical problem to be solved is to provide the new energy automobile charging pile with the heat dissipation and rainproof functions, which is high in safety and long in service life. The new energy automobile charging pile with the heat dissipation and rainproof functions comprises a support and a first shell, wherein the first shell is connected on the upper side of the support; a pedal assembly which is mounted on the support; a rotating assembly, wherein the first shell is internally provided with the rotating assembly; and an opening and closing assembly which is mounted in the first shell. The first shell can be closed through the opening and closing assembly, rainwater is prevented from falling onto the charging module, electric leakage is avoided, safety is improved, the charging module can be cooled through the heat dissipation assembly, the temperature of the charging module is prevented from being too high, and therefore the service life of the charging module is not affected.

The invention discloses a double-hook locking device of a storage box for locking the storage box. The double-hook locking device comprises a support main body, an operation wrench, two driving arms, two reset springs and two locking hooks, wherein the inner surface of the operation wrench protrudes to form two contacts; the driving arms comprise driving arm bodies and driving arm shaft necks which are integrally formed, the outer surfaces of the driving arm bodies can form guiding inclined surfaces in the extruding manner, and the contacts can slide on the guiding inclined surfaces; when the storage box is in a locking state, end parts of the two locking hooks are clamped into lock catch holes in the side wall of the storage box, the two locking hooks are additionally provided with a turnover hinge of an outer cover plate of the storage box, and thus a four-point locking position is formed; the locking force distribution is uniform, and an assembling clearance and surface difference among the storage box and a periphery part are effectively controlled. Compared with the traditional mono-lock hook design, the double-hook locking device of the storage box can effectively avoid abnormal opening of the storage box, secondary harm to a passenger is avoided. The double-hook locking device of the storage box provided by the invention has the advantages that the structure is simple and compact, the space usage is small, and the service life is long.

The invention relates to gypsum crushing and falling-off equipment, in particular to gypsum crushing and falling-off equipment for the orthopedics department. The gypsum crushing and falling-off equipment for the orthopedics department is high in dismantling efficiency, capable of reducing the workload of medical staff and high in safety performance. The gypsum crushing and falling-off equipment for the orthopedics department comprises a base, a foot-shaped frame and a pedal; the foot-shaped frame is mounted on the base; and the pedal is mounted in the foot-shaped frame in a sliding mode. According to the device, the legs of a patient can be wrapped through a fixing assembly, gypsum can be conveniently broken, a first sliding rod can be clamped through a clamping assembly when the gypsum is broken, a first arc-shaped plate is prevented from being opened abnormally, the gypsum can be broken through a beating assembly, and the equipment can be moved through a moving assembly according to needs; and a worker can put down wheels more conveniently to support the equipment through a pulling assembly, knees of a patient can be protected through a knee protection assembly when gypsum is hit, a rack can be clamped through a limiting assembly when the equipment is supported by the wheels, and a rotating rod does not need to be manually fixed through a tool.

The invention provides a high-antitheft-level double-lock latch mechanism which comprises a latch and a double-lock device. The latch is mounted on a lock mounting plate, a first baseplate, a double-lock latch plate and a second baseplate are sequentially overlaid and fixed on the lock mounting plate, double-lock latches are arranged on two sides of the top end of the double-lock latch plate respectively and include a first double-lock latch and a second double-lock latch, the bottom end of a double-lock retaining plate is fixedly connected on the second baseplate, the double-lock retaining plate comprises a first double-lock column and a second double-lock column, a groove is arranged on each of the first double-lock column and the second double-lock column, two ends of a double-lock spring are connected with the first double-lock column and the second double-lock column respectively, the top ends of the first double-lock column and the second double-lock column are fixedly connected through a retaining plate, and a double-lock module is arranged at each of two ends of the retaining plate. The high-antitheft-level double-lock latch mechanism is high in double-lock sensitivity, high in adaptability, capable of effectively stopping safes from being abnormally opened, light and flexible, capable of being mounted on doors of the safes different in volume and suitable for high-level antitheft safes.

The invention relates to a cultural relic cabinet, in particular to an intelligent cultural relic cabinet with constant temperature and humidity. The technical problem is: to provide a constant temperature and humidity intelligent cultural relic cabinet which is easy to use and can well protect cultural relics. The technical solution of the present invention is: a constant temperature and humidity intelligent cultural relics cabinet, including a box body and a box cover, one side of the box body is hingedly connected with a box cover; a glass frame, the upper side of the box body is provided with a glass Frame; a placing platform, a placing platform is fixedly connected to the middle of the top of the box, and the placing platform is located in the glass frame. The present invention can radiate heat inside the glass frame through the cooperation of the temperature sensor and the heat dissipation component, and can ensure the humidity and temperature inside the glass frame through the cooperation of the humidity sensor and the constant temperature component, so that cultural relics can be well protected, and the use is convenient.