Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

83results about How to "Function as a switch" patented technology

Feedback-type pneumatic-control pressure stress cell culture device

The invention relates to a feedback-type pneumatic-control pressure stress cell culture device and is characterized in that a high-pressure gas storage tank is connected with a three-way pipe (a) through a switch, a pressure relief valve and a connecting pipe; the three-way pipe (a) is communicated with a lower connecting pipe and the connecting pipe respectively; a syringe is connected with a micro pressure pump; the connecting pipe is connected with a three-way pipe (b); the three-way pipe (b) is connected with a pipe, a pressure meter and the upper end of an aseptic filtration device respectively; the lower end of the aseptic filtration device is communicated with a needle; a rubber stopper is arranged on a measuring cylinder type glass container; an upper outer reinforcement plate is arranged on the rubber stopper; a lower outer reinforcement plate is arranged below the measuring cylinder type glass container; the needle passes through the rubber stopper and enters the inside of the measuring cylinder type glass container; and a cell culture dish is arranged at the bottom of the measuring cylinder type glass container. The invention solves the problems that a closed container is difficult to open or close and can not tolerate a higher pressure stress. With the smart combination of the micro pressure pump and the pressure stress cell culture device, the pressure stress cellculture device has a simple structure, is convenient to operate, has a reliable effect and is applied to biological scientific research institutions.
Owner:THE AFFILIATED DRUM TOWER HOSPITAL MEDICAL SCHOOL OF NANJING UNIV

Dish washing machine

The invention provides a dish washing machine. Adjustment of a bowl basket in high position and low position is completed through the action among a triggering piece, a regulating sheet and a regulating bracket. The regulating bracket and the bowl basket can move synchronously; the regulating bracket is connected with the triggering piece; the triggering piece achieves the switch effect; the regulating sheet is self-fixed; when the bowl basket is in the high position, the triggering piece abuts against the limiting end of the regulating sheet; when the bowl basket needs to be descended from the high position to the low position, the triggering piece only needs to rotate and the triggering piece is separated from the limiting end at the moment; and the bowl basket is at the relatively highposition, the bowl basket can drive the regulating bracket and the triggering piece under the action of the own gravity to fall at the moment. The limiting end of the regulating sheet is stilled embedded in a sliding groove, the up-and-down movement of the regulating bracket can be maintained stably, and the motion stability of the bowl basket is improved. Meanwhile, the regulating bracket is convenient to manufacture, and the sliding groove is formed in the regulating bracket, so that the effect of stabilizing the regulating sheet can be achieved.
Owner:GREE ELECTRIC APPLIANCES INC

Elevator door lock switch

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.
Owner:NINGBO ARTTEC CO LTD

Notebook computer keyboard without bottom board

The invention relates to the technical field of computer keyboards, and especially relates to a notebook computer keyboard without a bottom board. The notebook computer keyboard without a bottom board is characterized in that the notebook computer keyboard is only composed of an integrated key cap formed by flexible glue and hard pieces, a notebook computer upper cover with a square bracket, a printed circuit film arranged under the integrated key cap, and a notebook computer bottom cover under the film. The integrated key cap formed by the flexible glue and the hard pieces is composed of several adjacent flexible glue key surfaces, the hard pieces pasted on the flexible glue key surfaces, a flexible glue pedestal, a flexible glue support body connecting the flexible glue pedestal with the flexible glue key surfaces, and flexible glue convex elastic switch bodies which extend downwards from the flexible glue key surfaces and penetrate through holes the hard pieces and are connected with the bottom surfaces of the flexible glue key surfaces into one body. The integrated key cap is an integrated key formed by the flexible glue and the hard pieces in the same mold by means of one-step injection molding. The notebook computer keyboard has less parts, and is low in cost and simple to assemble, and is ultrathin and ultralight, and meets today's market demand.
Owner:深圳源创塑胶电子科技有限公司

Switch gear of small-sized electronic product

The invention discloses a switch gear of a small-sized electronic product. The switch gear comprises a battery box, a battery and a toggle button, wherein the battery is arranged in the battery box; a fixed conductive sheet and an elastic element are arranged at one side which is close to a battery cathode; the fixed conductive sheet is connected with the battery cathode through the elastic element and the fixed conductive sheet is an output end of a power supply cathode; a notch is arranged at one side of the battery box, which is close to a battery anode; a movable conductive sheet is arranged outside the battery box and one end of the movable conductive sheet is a fixed end and is used as an output end of a power supply anode; the other end of the movable conductive sheet is a movable end and is provided with a convex contact; the front part of the toggle button is provided with a clamping groove or is wedge-shaped; by toggling the movable conductive sheet by the toggle button, the convex contact on the movable conductive sheet is connected or disconnected with the battery anode through the notch on the battery box. The switch gear of the small-sized electronic product, provided by the invention, has the advantages of saving a power supply switch of the electronic product, reducing use quantity of elements, reducing manufacturing flows, reducing manufacturing cost, and assuring that the battery is not consumed when the electronic product is not used.
Owner:梁清晖

Control circuit based on prolonging service lives of multiple electrochemical sensors

The invention discloses a control circuit based on prolonging service lives of multiple electrochemical sensors. The control circuit comprises four transistors and four metal oxide semiconductor (MOS) switches. Five power supplies are arranged in the circuit; a power supply SVCC is supplied by a power supply circuit; a power supply SVCC-1, a power supply SVCC-2, a power supply SVCC-3 and a power supply SVCC-4 are used for providing voltage for the sensors and are connected onto four power wires of four sensors; base electrodes of the transistors are respectively connected onto four general input/output (I/O) ports of a microprogrammed control unit (MCU) through resistors; collector electrodes of the transistors are connected to second pins or fourth pins of the MOS switches SI9947DY; the emitting electrodes of the transistors are grounded; third pins of the MOS switches are connected onto the power supply SVCC; fifth pins and sixth pins or seventh pins and eighth pins of the MOS switches are connected to power ports of the sensors; and the power supply SVCC-1, the power supply SVCC-2, the power supply SVCC-3 and the power supply SVCC-4 are connected onto the respective power wires of the four sensors. The control circuit disclosed by the invention is simple in structure; the sensors are controlled by utilizing the general purpose input/output (GPIO) ports of the MCU to power up all the sensors periodically, therefore, the goal of prolonging the service lives of the electrochemical sensors is achieved.
Owner:NORTH CHINA UNIVERSITY OF TECHNOLOGY

Stop motion animation shooting teaching device

The invention discloses a stop motion animation shooting teaching device which comprises a rotating ring frame, a rotating shaft, a sliding mechanism, a connecting handle and a sliding rod. One end of the rotating shaft is fixedly installed on a ceiling, the rotating ring frame is pivoted to the bottom of the rotating shaft, a plurality of keels are fixedly installed in the rotating ring frame around a center line, a notch is formed in the rotating ring frame around the axis, the sliding mechanism is arranged in the notch in a sliding fit mode, a first fixing piece is pivoted to the bottom of a fixing block, one end of the connecting handle is hinged to the bottom of the first fixing piece, a second fixing piece is hinged to the bottom of the connecting handle, a bottom plate is pivoted to the bottom of the second fixing piece, the sliding rod is fixedly installed at the bottom of the bottom plate, a sliding rod sliding block is arranged on the sliding rod in a sliding fit mode, and a camera fixing mechanism is fixedly installed on one side of the sliding rod sliding block. According to the device, a rack is meshed with a rack gear, a first threaded rod and a second threaded rod are driven through rotation of a belt to tighten the hinged position, the connecting handle cannot move, and therefore the purpose of stability is achieved.
Owner:KEYI COLLEGE OF ZHEJIANG SCI TECH UNIV

Anti-toppling control switch, anti-toppling warning device and movable lamp provided with anti-toppling warning device

An anti-toppling control switch comprises an angle control box, an upper conducting ring, a lower conducting ring and a conducting ball, wherein the angle control box is used for controlling an inclination angle and comprises an upper shell and a lower shell, a containing cavity is formed by the upper shell and the lower shell together, and the lower shell comprises a ring-shaped sloped sidewall; the upper conducting ring is arranged on the inner wall of the upper shell and close to an upper opening; the upper conducting ring is provided with an upper externally connected conducting electrode used for being electrically connected with a conducting wire; the lower conducting ring is arranged on the sloped sidewall of the lower shell and close to a lower opening, the lower conducting ring and the upper conducting ring are arranged oppositely in a spaced mode, and the lower conducting ring is provided with a lower externally connected conducting electrode used for being electrically connected with the conducting wire; the conducting ball is contained in the containing cavity and can roll in the lower shell, and the conducting ball can roll to a position between the upper conducting ring and the lower conducting ring along the sloped sidewall and makes the upper conducting ring and the lower conducting ring be electrically connected. The anti-toppling control switch can play a toppling warning switching role and is suitable for a lamp. The invention further provides an anti-toppling warning device and the movable lamp provided with the anti-toppling warning device.
Owner:SHENZHEN OCEANS KING LIGHTING ENG CO LTD +1

Viaduct guardrail rotary cleaning machine and manufacturing and using method thereof

The invention discloses a viaduct guardrail rotary cleaning machine and a manufacturing and using method thereof. The viaduct guardrail rotary cleaning machine comprises a main body, a first water guide pipe, a control valve, an adjusting plate, a motor, a sprayer, rollers and a supporting block, wherein a bottom plate is arranged at the bottom of the main body, the first water guide pipe is connected with the upper portion of a water tank, the right side of the first water guide pipe is connected with a water pump, and the sprayer is arranged on one side of the adjusting plate; the rollers are arranged at the bottom of the main body, a first clamping groove is formed in the left side of each roller, a telescopic rod is arranged in a support, and a first fixing hole is formed in one side of the telescopic rod; a second fixing hole is formed below the first fixing hole, and the supporting block is connected with the bottom of the telescopic rod. According to the cleaning machine used for viaduct guardrail cleaning and capable of conveniently adjusting the spraying angle and the using method thereof, the control valve is arranged, and the water flow inside the water pump can be controlled; the function of a switch can be achieved by increasing the pressure so that the water flow can be conveniently controlled; after the water pump is connected with the sprayer, a bridge can be conveniently cleaned.
Owner:张朝利

Subway automatic ticket vending machine

The invention relates to a subway automatic ticket vending machine. The subway automatic ticket vending machine comprises a cabinet, a payment device and a PLC (Programmable Logic Controller) respectively mounted on the cabinet and electrically connected to each other, and further comprises a first inclined rail, a guide rod, a sleeve, a first air cylinder, a second air cylinder and a push plate.Cross section of the first inclined rail is circular and the lower end opening edge of the first inclined rail has a vertical guide hole; the guide rod pass through and is slidably connected to the vertical guide hole; diameter of the sleeve is equal to a sum of length of the guide rod and the diameter of the first inclined rail; an end opening of the sleeve is disposed opposite to a lower end opening of the inclined rail and an edge top of the end opening is connected to a top of the guide rod; a first push rod of the first air cylinder is vertically upward disposed; the second air cylinder is horizontally fixed to the first push rod and the second push rod of the second air cylinder towards the the other end opening of the sleeve; the push plate is vertically fixed to the second push rodand the push plate is located in cylindrical cavity of the sleeve; the first air cylinder and the second air cylinder are electrically connected to the PLC.
Owner:福建神威系统集成有限责任公司

Gantry crane rail clamping device

The invention relates to the technical field of rail traffic, and discloses a gantry crane rail clamping device which is characterized in that a clamping block is movably sleeved with a sliding groove, a hydraulic control cavity communicated with a machine body is formed in the position, between a hydraulic cavity and a hydraulic hole, in the machine body, and a sliding block is movably sleeved with the hydraulic control cavity; a sleeve is fixedly installed at the position, close to the air guide hole, of the inner side of the hydraulic cavity, a one-way valve is fixedly installed in the air guide hole, an adjusting column is movably connected into the sleeve in a sleeved mode, a limiting groove is formed in the adjusting column in a cross shape, and a sliding rod is movably connected into the limiting groove in a sleeved mode. The stability and power-off self-locking of the rail clamping device are achieved through the arrangement of bottom rolling wheels, a sliding block and an electromagnet, meanwhile, a sleeve is arranged in a hydraulic cavity and connected with an adjusting column in a sleeving mode, and a limiting groove is formed in the adjusting column and connected with a sliding rod in a sleeving mode, so that it can be guaranteed that the rail clamping device still keeps stable due to friction influence in the working process.
Owner:葛丹丹

Infrared focal plane array and infrared sensor reading circuit

An infrared sensor reading circuit disclosed by the present invention comprises a first transistor, a second transistor, a sensor, an integrating capacitor and a hysteresis comparator. The source of the first transistor is connected with a power supply, the drain of the first transistor is connected with the first end of the sensor, and the grid of the first transistor is connected with the outputend of the hysteresis comparator. The source electrode of the second transistor is grounded, the drain electrode of the second transistor is connected with the first end of the sensor, and the grid electrode of the second transistor is connected with the output end of the hysteresis comparator. The second end of the sensor is respectively connected with the first end of the integrating capacitorand the input end of the hysteresis comparator, the first end of the integrating capacitor is connected with the input end of the hysteresis comparator, and the second end of the integrating capacitoris grounded. The first transistor and the second transistor play a switching role, the resistance is far less than that of the sensor, only the sensor consumes energy, and the energy utilization rateof the sensor is close to 100%, so that the energy utilization rate is improved. The invention further provides the infrared focal plane array with the above advantages.
Owner:苏州睿新微系统技术有限公司

Shifting-type stepless limit guardrail opening and closing structure

The invention provides a shifting-type stepless limit guardrail opening and closing structure. The guardrail opening and closing structure comprises a hollow fixed sleeve which is provided with a guardrail installation insertion hole penetrating through the top and the bottom of the hollow fixed sleeve; a fixed seat is arranged at the outer side of the hollow fixed sleeve, a linear sliding slot extending to two ends is formed in the side face of the fixed seat, an extension line of the linear sliding slot penetrates through the hollow fixed sleeve, a sliding block is arranged in the linear sliding slot in a matched mode, and a clamping plate is arranged at the end, close to the hollow fixed sleeve, of the sliding block; and an opening is formed in the position, corresponding to the clamping plate, on the side wall of the hollow fixed sleeve, and the clamping plate moves in a straight line along with the sliding block to stretch into or retreat from the hollow fixed sleeve through the opening. According to the opening and closing structure, the clamping plate is made to slide leftwards to block the lower end of the opening of a guardrail frame, and the whole guardrail frame cannot be lifted up and then cannot rotate; and reversely, the clamping plate is made to slide rightwards to move away from the top of the lower end of the opening of the guardrail frame, then the guardrail frame can be lifted up and rotate, and the opening and closing functions through guardrail rotation are achieved.
Owner:HOUFU MEDICAL EQUIP

A subway ticket vending machine

The invention relates to a subway automatic ticket vending machine. The subway automatic ticket vending machine comprises a cabinet, a payment device and a PLC (Programmable Logic Controller) respectively mounted on the cabinet and electrically connected to each other, and further comprises a first inclined rail, a guide rod, a sleeve, a first air cylinder, a second air cylinder and a push plate.Cross section of the first inclined rail is circular and the lower end opening edge of the first inclined rail has a vertical guide hole; the guide rod pass through and is slidably connected to the vertical guide hole; diameter of the sleeve is equal to a sum of length of the guide rod and the diameter of the first inclined rail; an end opening of the sleeve is disposed opposite to a lower end opening of the inclined rail and an edge top of the end opening is connected to a top of the guide rod; a first push rod of the first air cylinder is vertically upward disposed; the second air cylinder is horizontally fixed to the first push rod and the second push rod of the second air cylinder towards the the other end opening of the sleeve; the push plate is vertically fixed to the second push rodand the push plate is located in cylindrical cavity of the sleeve; the first air cylinder and the second air cylinder are electrically connected to the PLC.
Owner:福建神威系统集成有限责任公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products