52results about How to "Avoid forgetting to close" patented technology

In the protector of a cylinder lock arranged such that a shutter plate is reset automatically from open position to closed position as a mechanical key is withdrawn from a key hole, a spring means (57), first and second engaging members (58, 59), and a cam means (60) for operating the engaging members are housed in a casing (22) to operate along a plane intersecting the axis of a key hole (28) perpendicularly. The cam means makes the first engaging member (58) engage with the shutter plate (34) in response to operation of the shutter plate to the open position, makes the second engaging member (59) engage with the shutter plate in response to insertion of the mechanical key (33), disengages the first engaging member from the shutter plate in response to rotary operation to the on position, and disengages the second engaging member from the shutter plate in response to withdrawal of the mechanical key. Since the mechanical key is not required to be formed long, the protector of a cylinder lock can be constituted compactly.

The invention discloses a cloud service power distribution cabinet capable of automatically dissipating heat, and relates to the technical field of cloud services. The cloud service power distributioncabinet comprises a control cabinet, wherein the inner wall of the control cabinet is fixedly connected with a mounting base, the middle of the mounting base is provided with a movable groove, the inner wall of the movable groove is fixedly connected with a spring I, and the inner side of the spring I is fixedly connected with a piston rod I. According to the cloud service power distribution cabinet capable of automatically dissipating heat, a bimetallic strip is matched with a magnetic control device in use, the bimetallic strip is bent upwards after being heated and is in contact with a conducting strip when the temperature in the power distribution cabinet is too high, a circuit of the magnetic control device is connected to generate magnetism, the air in the movable groove is heated and begins to expand, a cabinet door is opened so as to facilitate the discharge of hot air in the power distribution cabinet and the heat dissipation, when the temperature returns to normal, the bimetallic strip returns to the initial state, the expanded air in the movable groove is exhausted, and the cabinet door is automatically closed, so that the effect of automatic heat dissipation is achieved, the cabinet door is automatically closed after heat dissipation, and equipment in the power distribution cabinet is prevented from being damaged.

The present invention discloses a display device, comprising a display, a control process unit and an eye detection component. The eye detection component is used for detection of eye state, the control process unit includes a control module which is used for controlling switch of the display according to the eye state detected through the eye detection component, and the display device automatically switches on or off the display according to a user's eye state so as to avoid energy wasting since the user forgets to switch off the display. The present invention further discloses a display control method with an energy-saving effect.

The invention relates to a washstand, in particular to a public art fountain washstand. The technical problem to be solved by the present invention is to provide a public artistic fountain-type washstand that can spray multiple water columns in multiple directions and is more beautiful. In order to solve the above-mentioned technical problems, the present invention provides such a public art fountain-type washstand, which includes an installation frame, an annular pipe, a small nozzle, a high-pressure water inlet pipe, a first valve, etc.; the top of the installation frame is connected with an annular pipe , the inner side of the annular pipe is evenly connected with a small nozzle, the bottom of the annular pipe is connected with a high-pressure water inlet pipe, the high-pressure water inlet pipe is provided with a first valve, the left side of the first valve is connected with a switch mechanism, and the switch mechanism is connected with the installation frame. The present invention is first provided with a switch mechanism, which achieves the effect of opening the first valve through the switch mechanism, spraying water through the high-pressure water inlet pipe, making the water flow into the annular pipe, and then spraying inward through the small nozzle.

A high pressure discharge lamp lighting device can prevent the deformation of electrodes by stabilizing an arc start position of a discharge lamp under the condition of low-power operation of a high pressure discharge lamp with a mercury seal volume of 0.20mg / mm3. A lighting device which has a buck circuit (1) and a full-bridge circuit (2) can supply power to the high pressure discharge lamp (10) so as to lighten the high pressure discharge lamp. Under the condition of lightening with a rated power or a dimming power (which is about 60 to 80% of the rated power), a rectangle wave alternating current is supplied to the discharge lamp (10) for lighting. Besides, the high pressure discharge lamp can be lightened by supplying an asymmetrical rectangular wave alternated current in a driving period when the lamp is operated by electric power of 0.5P (W) or less, the maximum operation power P (W) in a steady lighting state except an initial lighting period is immediately after starting, a first polarity driving period of a rectangle wave alternating current is Ta (seconds), a second polarity driving period is Tb (seconds), the second polarity driving period Tb is 5 ms or less (Tb is less than or equal to 5 ms) and a ratio Tb / Ta of these two driving periods is 0.1 or less (Tb / Ta is less than or equal to 0.1).

The invention discloses a high-voltage energy saving device, comprising a bottom shell and a box body, wherein the top of the bottom shell is fixedly connected with the bottom of the box body througha connecting shell, a high-voltage host is fixedly connected in the box body, a box door is hinged on a front face of the box body through a hinge, fixing shells are fixedly connected to left and right sides in the box body, slide blocks are slidably connected in the fixing shells through rolling balls, a connecting strip is fixedly connected to one side of each slide block, and the invention relates to the technical field of high voltage. The high-voltage energy saving device can drive the slide blocks to slide on the inner surfaces of the fixing shells through the cooperation among the box body, a first rotating rod and a second rotating rod, so that when the box door is opened, a first switch can be turned on, thereby turning on an illuminating lamp, and when the box door is closed, theilluminating lamp can be conveniently turned off, the high-voltage energy saving device is safe and convenient to be used and can prevent a worker from forgetting to turn off the illuminating lamp when leaving, thus improving the intelligence degree of the device, and the high-voltage energy saving device is relatively energy-saving to be used.

The present invention provides a high pressure discharge lamp lighting apparatus and a projector, which restrains an interruption when an extra low power is used for converting an ultra low power to a rated power when the high pressure discharge lamp operates. Lighting is performed through supplying power to the high pressure discharge lamp from the lighting apparatus with a step down chopper circuit and a full bridge circuit. When lighting is performed with the rated power or modulated light power, a rectangle wave alternating current is supplied to the discharge lamp for performing lighting. Additionally, when the lighting is performed with a power less than 50% of the rated power consumption, a rectangle wave alternating current comprises a first time unit and a second time unit, and wherein the discharge lamp is driven by repeating the first and second time units, and the first time unit has a time width t1 and the second time unit is formed by repeating a time width t2, five times or more.

Provided is a paper currency processing device having a freely opening and closing paper currency conveyance path whereupon paper currency identification sensors are positioned and a freely installable and removable paper currency storage unit, which is small and configured so as to prevent forgetting to close the paper currency conveyance path. The paper currency processing device comprises: a paper currency identification unit (3); a paper currency storage unit (6) which is mounted to be freely installable and removable with respect to a device main body; and a paper currency conveyance path (2) which guides paper currency to the paper currency storage unit (6) and has paper currency identification sensors positioned in interior wall faces (31, 41) of the paper currency identification unit (3). The paper currency processing device is configured such that, with the paper currency storage unit (6) removed, the opening-closing part (4) of the paper currency identification unit (3) can be spread open in the direction in which the paper currency storage unit (6) is positioned such that the interior wall faces (31, 41) of the paper currency conveyance path (2) in the paper currency identification unit (3) are exposed.

The invention discloses an industrial system flow monitoring and adjusting system based on the Internet of Things, belongs to the technical field of industrial control systems, and solves the problemthat equipment is damaged or the production cost is wasted due to wrong control caused by the fact that next-shift workers do not know the operation condition of the equipment due to unclear handover.The system comprises a process monitoring system, an equipment state acquisition system, a safety monitoring system, a mobile phone terminal and a computer terminal, the equipment state acquisition system and the safety monitoring system are respectively in bidirectional data connection with the process monitoring system, and the mobile phone terminal and the computer terminal are respectively inbidirectional data connection with the process monitoring system; the process monitoring system comprises a fault processing system, an equipment control system, a work ticket system, a spare part management system, an overhaul project state system and a cost accounting system, monitors and adjusts the equipment operation process, and manages the equipment faults, an invoicing overhaul system, anoverhaul project, spare part management and cost at the same time.

The invention relates to the field of new energy automobiles, in particular to a new energy automobile charging pile. The new energy automobile charging pile comprises a charging pile body, a base board, a lifting support assembly, a telescopic transverse frame assembly, a drive control device, a tensioning transmission wheel assembly, a charging gun storage box assembly and a charging gun body. The charging pile body is fixedly connected to the base board. The lifting support assembly is fixedly connected to the base board. One end of the telescopic transverse frame assembly is fixedly connected to the upper end of the lifting support assembly. The other end of the telescopic transverse frame assembly is fixedly connected with the charging gun storage box assembly. The drive control device is connected to the lifting support assembly and is in transmission connection with the lifting support assembly. The new energy automobile charging pile is provided, the height and the horizontal position of the charging gun storage box assembly containing the charging gun body can be adjusted according to the actual requirements, a charging line of the charging gun body does not need to be toolong, and the situation that the charging line is likely to be worn or an accident is likely to happen is avoided.

The invention relates to daily necessities and particularly relates to a smart gas tank and an ignition system of a gas stove. A sensor is arranged on the gas stove; an automatic switch is arranged at a gas outlet of the gas tank; a micro-computer is used for transmitting, controlling ignition and controlling the opening and the closing of a valve in the overall system. According to the smart gas tank and the ignition system of the gas stove, a fire is intelligently controlled; a series of troublesome steps of opening and closing the gas tank and the gas stove are saved; the smart gas tank and the ignition system of the gas stove are convenient to operate, simple in structure, convenient, practical and humanized in design and is capable of preventing accidents.

The invention relates to the field of office equipment, in particular to a drawer capable of being opened and closed by a fingerprint. The drawer capable of being opened and closed by the fingerprint comprises a cabinet body, a drawer, a driving device, a controller, a fingerprint identifying device, a mechanical lock cylinder, a storage module, an infrared sensor and a power module, wherein the drawer comprises a drawer panel; the drawer panel is arranged in front of the drawer; a rack is arranged on a drawer body; the drawer is arranged in the cabinet body; the driving device is arranged in the cabinet body; a gear is arranged on a rotating shaft of the driving device; the gear is meshed with the rack; the mechanical lock cylinder is arranged on the drawer panel and is electrically connected with the controller; the fingerprint identifying device, the storage module, the driving device and the infrared sensor are electrically connected with the controller respectively; the power module is used for supplying power for each module of the drawer capable of being opened and closed. The drawer capable of being opened and closed by the fingerprint realizes that the fingerprint can control the drawer to automatically open and close, and has high efficiency, safety and confidentiality.

The invention relates to the field of charging piles, in particular to a waterproof protective cover for a charging gun of an automobile charging pile. The waterproof protective cover at least comprises a box body of a charging pile and further comprises a base frame, a protective cover body, a waterproof part, a sealing ring and an electric telescopic rod, the base frame is fixed outside the box body, a charging gun opening of the charging pile is located in the base frame, openings are formed in the two sides of the protective cover body, a notch is formed in the lower surface of the protective cover body, an opening in one side of the protective cover body is hinged to the base frame, the waterproof part is arranged in an opening in the other side of the protective cover body, the sealing ring is embedded in the base frame and makes contact with the protective cover body, and the connecting end of the electric telescopic rod is hinged to the box body. Due to the adoption of a rubber mold or waterproof canvas, the problem of special-shaped bulge of the charging gun is effectively solved, the waterproof protective cover can adapt to the shape of the charging gun, a larger waterproof cover is not needed, and the practicability of the waterproof protective cover is further improved. Due to the fact that the electric telescopic rod is adopted, the protective cover can be automatically opened and closed, operation steps of a user are reduced, and meanwhile the user can be prevented from forgetting to close the protective cover.

The invention relates to the technical field of manhole covers, in particular to a manhole cover lock and a manhole cover. The manhole cover lock comprises a locking plate. The locking plate cooperates with locking rod assemblies and a rotary assembly. The rotary assembly is provided with a driving part and a rotary part. Each locking rod assembly comprises a locking rod, a locking rod guide seatand a connecting part. The driving part is connected with the rotary part. The rotary part is connected with locking rods through corresponding connecting parts. The locking rods are driven to act byrotation of the rotary part. The locking rod guide seats are fixedly configured on the locking plate. The locking rods are slidingly connected to the locking rod guide seats. Meanwhile, the manhole cover with the manhole cover lock is provided. According to the manhole cover lock, the structure of the manhole cover lock is optimized; structural stability of the manhole cover lock is improved; thelocking rods are controlled to act through the driving part; and change of the state of the manhole cover lock is achieved.

The invention discloses an educational data acquisition pen based on the internet of things technology. The educational data acquisition pen comprises a pen body and a cover body; the pen body and thecover body form a plugging fit; a main battery is arrange in the pen body; a receiving groove is formed in the pen body; a base and a lighting member are arranged in the receiving groove; the base ishinged to the pen body; the lighting member is arranged on the base; an auxiliary battery is arranged in the base; static contacts are arranged on an inner wall of the receiving groove; the base hastwo movable contacts for contacting the corresponding static contacts respectively; a locking device is also disposed on the base; a storage battery and a charging interface are arranged on the coverbody; a plugging-in port is also formed in the cover body; power supply contacts are arranged in the plugging-in port; the power supply contacts are electrically connected with the storage battery; first charging contacts are arranged on the base; second charging contacts are arranged on the pen body; and the first charging contacts and the second charging contacts are arranged on the pen body atthe same height. The invention provides an auxiliary lighting device and has a convenient auxiliary power storage and charging device.

The invention relates to a multifunctional image obtaining device, comprising a base, a connecting rod and a camera module. The connecting rod is a hollow structure; the lower end of the connecting rod is in fixed connection with the base; the camera module is arranged at the upper end of the connecting rod; the base is internally provided with a main control circuit board; the main control circuit board is in electric connection with the camera module, and an external device; one side of the connecting rod extends outwardly to be provided with a lamp; the lamp is in electric connection with the main control circuit board; the main control circuit board is provided with a lighting switch which extends out of the upper surface of the base. The multifunctional image obtaining device has the characteristics of simple structure, reasonable design, convenient use, space saving, strong practicality, convenient operation, high performance and great using effect; the upper portion is provided with the camera module and the light, allowing a keyboard to be seen clearly, and facilitating the usage of a computer under low light conditions; according to the invention, the body can move without restriction of wearing a headset, a sound working environment is guaranteed.

The present invention provides a display screen automatic opening and closing system. The system comprises a host body and a display screen, and further comprises a relay, a detection unit configured to detect an opening or closing state of the host, a first power source circuit, and a second power source circuit. The detection unit is electrically connected to a host power source unit via the first power source circuit. The display screen is electrically connected to the host power source unit via the second power source circuit, and the switch of the display screen is electrically connected to the second power source circuit. The detection unit comprises a host state detection unit, an infrared sensor, and a single-chip computer. The host state detection unit is electrically connected to the infrared sensor and the single-chip computer. The infrared detection unit is arranged on the display screen. The single-chip computer is electrically connected to the second power source circuit via the relay. According to the present invention, opening or closing of the host is controlled by detecting opening or closing of the host. Therefore, the system according to the present invention is more intelligent, and is simpler to operate.

The invention relates to an intelligent laboratory system, which belongs to the laboratory system field. Using the intelligent laboratory system, problems that the time and effort are wasted for changing lines and the automation degree is low according to the existing laboratory system. The intelligent laboratory system comprises a box body; a 24-V voltage-stabilizing power supply is arranged inside the box body; an air hose connected with a fan is arranged inside the box body and the lower end of the air hose extends out of the box body. The part, extending out of the box body, of the air hose is divided into three segments; the three segments of air hose parts are connected by cardan shafts; and a suction hood is fixed at the bottom segment of the air hose. An upper end of an electric lifter is fixed in the box body and a student-control power box is arranged at the lower end of the electric lifter; and an LCD touch screen is arranged on the student-control power box. Besides, the intelligent laboratory system also includes a teaching bench; a teacher-control power box is installed on the teaching bench; and an LCD touch screen is arranged on the teacher-control power box. The student-control power box and the teacher-control power box are connected with the 24-V voltage-stabilizing power supply arranged inside the box body by leads. The intelligent laboratory system has advantages of being capable of changing pipelines easily and having a high automation degree.

A computer communication equipment anti-interference device disclosed by the present invention comprises a box body. The periphery of the outer surface of the box body is fixedly connected with mounting sheets, one end of the lower end surface of the box body is fixedly connected with a grounding wire, the front end surface of the box body is rotatably connected with a cabinet door through a hinge, and one end of the upper end surface of the box body is fixedly connected with a closing device. One side of an inner cavity of the box body is fixedly connected with a side plate, the upper end and the lower end of one side of the side plate are fixedly connected with a first placing plate and a second placing plate respectively, the upper end face of the first placing plate is fixedly connected with communication equipment, the upper end face of the second placing plate is fixedly connected with a processing device, and one end of the upper end face of the box body is fixedly connected with a directional antenna. An air inlet device is installed in the middle of the lower end face of the box body. The invention relates to the technical field of anti-interference of computer communication equipment. The problem that traditional computer communication equipment is easily interfered by external signals during use is solved.

The invention relates to a combustion-gas timing energy-saving device. Severe potential safety hazards may be caused by ignoring of burning combustion gas in kitchens when people are busy with other things. A timer of the combustion-gas timing energy-saving device is connected with a one way check valve; and the timer and the one way check valve are connected with a gas source in series; and a one way check valve unit, i.e. a cam of the timer, is connected with a usually-twisted one-way valve. The combustion-gas timing energy-saving device is capable of realizing preset close controlling in fuel supply; timing can be carried out based on cooking demands, and neglecting of fire source closing in cooking caused by other matters is avoided; fuel is saved; accidents are prevented; and the combustion-gas timing energy-saving device is simple in operation.

The invention provides an anti-radiation brain-eye-protecting learning lamp, including a base seat and two lamp head parts. The two lamp head parts are symmetrically arranged on the base seat, lamp head switches matched with the lamp heads are arranged on the base seat, and the lamp head switches are connected to the base seat in a sliding mode, wherein one of the lamp head switches is fixedly connected with a driven plate, a driving plate matched with the driven plate is connected to the base seat in a sliding mode, the driving plate is connected with a sliding connecting plate in a sliding mode, and the driven plate passes through the sliding connecting plate; and the inner wall of the base seat is fixedly connected with a motor part, and the inner wall of the base seat is connected with a first gear, a second gear and a transmission gear shaft in a sliding mode. According to the anti-radiation brain-eye-protecting learning lamp, bright is provided in multiple directions during learning and working, and the influence of shadows on a working state is reduced, at the same time, preset extinguishing time duration of single lamplight is controlled, and learners can be reminded to rest and relieve eye fatigue.