199 results about "Mercury switch" patented technology

The invention relates to a full-automatic utility pole centralizer comprising a hoop, a hydraulic mechanism, a length adjuster, a connecting shaft, a right hand thread screw, a left hand thread screw, a base, a mercury switch and an electric hydraulic pump. The hoop is connected with the hydraulic mechanism through the connecting shaft. The hydraulic mechanism and the right hand thread screw are welded together. The right hand thread screw and the left hand thread screw are screwed in two ends of the length adjuster, respectively. A limit stopper is arranged at the end of each of the screws screwed into the length adjuster. The other end of the left hand thread screw is connected with the base through the connecting shaft. The hydraulic mechanism is provided with a relief valve and a hydraulic joint. The electric hydraulic pump is connected with the hydraulic joint through a high-pressure rubber pipe. The mercury switch is parallelly attached to a utility pole and is connected with the electric hydraulic pump through a circuit. The full-automatic utility pole centralizer has the advantages that when tilting, the utility pole can be automatically centralized with no power outage; power supply reliability is ensured, work efficiency is improved, and risks caused by power outage are reduced.

An autonomous device for warning drivers of automobiles of excessive speed of turning around a curve. The device is compact with both the sensing means and alarm audio and / or visual signal producing means. The sensing means comprises two, alternatively activated and differentially calibrated by means of a proposed calibration device, pair of mercury switches, each pair comprising two oppositely inclined mercury switches for monitoring right and left turns of the vehicle, wherein the first pair is adapted for use in conditions of dry road surface by calibration at a predetermined value of inclination and a second pair is adapted for use in conditions of wet road surface by calibration at a different predetermined value of inclination.

A computer workstation having a desktop / work surface defined by a central aperture and a pivoting liquid crystal display (LCD) support panel mounted on pivot shafts in the aperture. In addition, a sliding input device platform is mounted on telescoping roller brackets underneath the front edge of the work surface. Lever arms are rotatably engaged with the pivot shafts and are linked to the roller brackets. The lever arms automatically pivot the LCD support panel to an upright position upon extension of the input device platform, and vice versa, and a hydraulic damper brings the LCD support panel to a safe, gentle stop. Aa mercury switch turns the LCD on and off automatically upon opening or closing. Two or more such LCD support panels and associated hardware can be included in a single desktop / work surface for a computer training and / or conferences.

A self-leveling bed support frame provides an automatically-controlled level sleeping surface in the sleeper cab of a semi-trailer rig. The self-leveling bed support frame is comprised first of a rectangular lower frame with four pneumatic actuators in each corner. A rectangular upper frame is above the lower frame and engages at its corners with the pneumatic actuators. An automatic control system operates the four pneumatic actuators to maintain a level upper frame by utilizing two pair of mercury switches disposed on two independent control axes. Each pair of mercury switches control the positioning of a pair of the pneumatic actuators, disposed at either end of a diagonal across the upper frame. An adjustable seat back assembly is also provided which can elevate one end of a mattress on the upper frame, using a pair of scissor jack mechanisms, which provide fine control when utilized with a pneumatically controlled actuator.

A system for guiding of the visually handicapped includes a continuous electrical conductor, in the nature of a wire or strip, having a substantially uniform conductivity embedded within a walkway to be traversed by the handicapped person. The system also including a proximity for detecting the conductor in which the detector may be in a shoe of the user or a tip of a walking cane. The system further includes a signalling element, in the nature of a vibrator, in electrical communication with the detector such that, through the presence of such vibration, the visually handicapped person is able to determine his proximity to the electrical conductor to determine that he is proceeding in a proper direction within or along the walkway. The signalling element is preferably provided with a switch, for example, a mercury switch, so that the shoe or cane circuit will become energized only upon the occurrence of movement or motion of the shoe or cane within which the proximity detector is located. The approach by a user to a location of interest along the walkway, such as an intersection, bathroom, or Braille telephone, may be indicated through the provision of a pattern of irregularity of the conductivity within the continuous electrical conductor. Different patterns of irregularity may indicate different advisories to the user.

The invention discloses a nanosecond rising edge high-voltage square wave pulse generator, which comprises a direct current high-voltage power supply, a resistor, a pulse forming line, a pulse transmission line, a mercury switch and a control circuit, wherein the direct current high-voltage power supply is sequentially connected with the resistor, the pulse forming line, the mercury switch, the pulse transmission line and a load; and the control circuit controls the turning on and turning off of the mercury switch. By the nanosecond rising edge high-voltage square wave pulse generator, the divider ratio and response time of a voltage divider can be accurately calibrated; not only the rise time of output square waves is ensured, but also the output voltage of the direct current high-voltage power supply can be continuously regulated; the low-voltage control circuit and a high-voltage main circuit are electrically isolated; and the adopted mercury switch is inevitably at a broken position when a control end is broken, so that electrical connection is cut off, and the whole device is safer.

A computer workstation having a desktop / work surface defined by a central aperture and a pivoting liquid crystal display (LCD) support panel mounted on pivot shafts in the aperture. In addition, a sliding input device platform is mounted on telescoping roller brackets underneath the front edge of the work surface. Lever arms are rotatably engaged with the pivot shafts and are linked to the roller brackets. The lever arms automatically pivot the LCD support panel to an upright position upon extension of the input device platform, and vice versa, and a hydraulic damper brings the LCD support panel to a safe, gentle stop. Aa mercury switch turns the LCD on and off automatically upon opening or closing. Two or more such LCD support panels and associated hardware can be included in a single desktop / work surface for a computer training and / or conferences.

The invention provides an auxiliary light assembly which is disposed on and secured to a predetermined portion of a motorcycle and which is operatively coupled to a source of voltage for illuminating a ground surface forward of the motorcycle being ridden with its front wheel elevated above the ground surface. A switch is operatively coupled to the light assembly for selectively supplying the voltage and terminating voltage supply. According to one embodiment, the present invention contemplates the use of a mercury switch which is mounted within the light assembly.

An electronic wall safe is intended to fit between the support beams of a typical building, bolting into the beams on either side of the safe. A panel is provided around the safe to prevent cutting into the wall to remove the safe. The safe includes numerous electronic features, which are powered by running an electrical wire to the safe, as well as battery backup. The CPU includes a connection for a telephone line, as well as wireless communication. The safe utilizes a fast-opening mechanism such as a fingerprint scanner. A panic button is provided to alert authorities and / or others on the premises of the emergency. The safe includes a mercury switch so that, if the safe is moved, then the opening mechanism will be disabled, and police will be notified. The safe includes cut wire detection circuitry. One possible variation of the safe includes a door having a shatter-resistant window, as well as internal lighting, so that the contents of the safe can be displayed or verified without opening the safe.

Devices, apparatus, and methods of using a solar powered, battery operated, light sensitive toilet seat LED (light emitting diode) lid light device that removably clamps to an edge of the outside toilet seat lid. A solar panel is visible on outside of toilet seat is used to recharge a battery in the device. The underside of device contains the secured battery, circuit board, mercury switch and photocell. When the lid and device are in upright position the mercury switch closes. The photocell senses absence of light and the LED light illuminates the toilet bowl and surrounding area.

The invention relates to a powder-type insulated high-speed minisize impact switch. A current glass mercury switch has a large volume. There is a blind spot during working. Consistency and repeatability are not stable. By using the impact switch of the invention, the above problems can be effectively solved. The impact switch comprises: a sealed cavity, mercury and an insulation skeleton. The insulation skeleton is provided with the sealed cavity. A first electrode and a second electrode, which are mutually insulated with each other, are arranged in the skeleton and extend out of the skeleton. Contacts of the first electrode and the second electrode are communicated with the cavity. The cavity is filled with the mercury. A layer of an insulation powder is adsorbed on an inner surface of the cavity and the mercury. In the invention, a structure is compact. The switch is small and unique. Usage is convenient. Working is reliable and stable. The impact switch belongs to the innovation of a microelectronic switch.

The invention discloses a well lid monitoring and warning system and method. The well lid monitoring and warning system comprises a well lid body. A drive piece and a control box are arranged on the lower surface of the well lid body. A mercury switch device is arranged on the drive piece. A positive and negative electrode contact jaw and a mercury movable ball are arranged inside the mercury switch device, wherein the mercury movable ball can move inside the mercury switch device and can make electric contact with the positive and negative electrode contact jaw or can be electrically separated from the positive and negative electrode contact jaw, and the positive and negative electrode contact jaw is electrically connected with the control box through a wire; one end portion of the drive piece is hinged to the lower surface of the well lid body, and the other end portion of the drive piece is flush with the edge of the outer circle of the well lid body. The well lid monitoring and warning system is novel in structure, ingenious in design and high in detection feedback speed, and the well lid anti-theft effect can be simply, conveniently and rapidly achieved. The drive piece with the mercury switch device is arranged on a well lid. When the well lid moves, the mercury switch device will immediately change from a turned-on state to a turned-off state, and the control box can detect state change information and transmits the state change information to a monitoring center or warning equipment.

The invention is used in the field of military medical treatment, develops a fully electric humanized eight-wheel driving full ground multi-function robot, and has the functions of a satellite or unmanned aerial vehicle navigation and TV remote control. The electrical signals issued by the wounded can be found out on the battlefield, or the wounded can be automatically found out according to the route set by the unmanned aerial vehicle. An induction device adjusts the posture automatically according to a position of the wounded, falls down the fuselage, and uses five machine arms (1) insertedfrom the sides of the wounded into the wounded, and then lifts the body, so that the wounded body is completely flat. The induction device is only 18CM from the ground. Light armors are hanged on bothsides of the wounded, and marked Red Cross logo are added on both sides of the wounded, so that the safety of the wounded is ensured. In the course of transportation, a mercury switch is arranged onthe robot, so that the wounded in the condition of uneven pavement (13 degrees in the horizontal direction of the fuselage, 8 degrees in the longitudinal direction) to keep a level state, and can cross the 35CM vertical obstacle. In case of a special circumstance, the TV remote control can be operated by an operator. Military equipment can be carried in the case of off-road line, and the cooker follows the soldiers in front to carry the electric pulse signal automatically. The battlefield rescue robot is a machine mule without eating forage.

The invention relates to large-scale machine equipment special for automatic mechanical tunnelling construction and adopted for well-sinking engineering, in particular to a well-sinking vertical tunnelling machine. A disc-type milling cutter is adopted for foot excavation based on an earthwork excavation construction work method, even excavation layer by layer is achieved in the modes of face excavation through a rolling-type milling cutter and simultaneous excavation and rotation, and muck is boxed and hoisted onto the ground to be loaded in time through special muck collection equipment; inorder to achieve engineering continuity, prefabricated building block masonry construction is adopted on the well wall, a hydraulic nitrogen impact hammer controlled by a level gauge conducts deviation correction during excavation at any time, the working principle of the hydraulic nitrogen impact hammer is that when encountering soil layers with uneven hardness, a mercury switch arranged in the machine starts the nitrogen hydraulic impact hammer to conduct high-frequency vibration when passing through the hard soil layer, and thus blade feet are cut into the hard soil layer; and meanwhile, the depth of the disc-type milling cutter is increased, through methods of simultaneous excavation and masonry, and simultaneous excavation and deviation correction, the construction efficiency is greatly improved, the construction cost is greatly lowered, and thus the construction quality is obviously guaranteed.

The invention relates to a float switch formed by assembling nuts, a support rod, a nylon-knitted flexible wire, a spiral electric wire, a heat-shrinkable tubing, a floater, a ball switch (or mercury switch), a shield and an installation seat. The floater floats up and down through the function of liquid floatage so that the ball switch (or the mercury switch) is switched on or switched off, thereby obtaining a liquid level switch having the advantages of wide adaptability, safety and reliability, simple maintenance, smaller size, lower cost, long service life, simpler electronic control line, no influences of ferromagnetic impurities in liquid, the resistance change of the liquid and the transparency of the liquid and no electromagnetic interference from the outside.

The invention relates to a multifunctional infant intelligent caring machine, in particular to wireless monitoring equipment which is mainly used for assisting mothers in daily caring infants in life. The multifunctional infant intelligent caring machine achieves the aims of warning that the infants kick off quilts and get cold, turn over and fall off beds, have pee and cry after waking up and remotely monitoring the infants by short messages of mobile phones. A multi-path wireless remote control transmitter is conducted to send signals by a principle of a temperature control switch, a photosensitive resistor, a mercury switch, an acoustic control switch and a urine pad induction transistor amplifier; and a receiving module receives signals, plays professional voice alarm through voice IC (integrated circuit) and makes the received signals conduct a short message transmitter to realize the remote monitoring. The multifunctional infant intelligent caring machine has the functions of wireless voice prompt that the infants have bedwetting, kick off the quilts, cry and turn over, music brain health, lullaby and intelligent dialogues. The multifunctional infant intelligent caring machine has the advantages of low cost, high safety, extremely simple operation, power saving and high durability, can greatly reduce burden of mothers for caring the infants and achieves the aim of scientifically caring the infants to make the infants healthily grow up.

The invention relates to an on-line fault monitoring method and device for a drop-out fuse, and belongs to the field of emergency protection devices. According to the invention, a fuse tube of the fuse is provided with a mercury switch, and the fuse tube of the fuse is provided with a magnetic induction coil in a sleeved manner; logical comparison is performed on an output signal of the mercury switch and an output signal of the magnetic induction coil; and the position of the fuse tube of the fuse and whether there is current flowing through a fuse wire of the fuse tube or not are simultaneously detected so as to serve as a logical judgment basis for whether the drop-out fuse has a fault or not, thereby being capable of reflecting the actual operating state of the drop-out fuse more authentically and more accurately, fundamentally avoiding the possibility of a missed alarm and a false alarm, and providing more reliable help to the normal operation of the whole power grid system and rapid judgment of fault points. The on-line fault monitoring method and device can be widely applied to the fields of on-line fault monitoring and operation management for various drop-out fuses.

A control system of profundal netted case for detecting wind and wave and automatic sinking is composed of a single-chip computer, wind and wave sensor consisting of 8 Hg switches, 4 buoys with water inlet valve and netted case.

An embodiment of the invention provides a coaxial mercury relay. The coaxial mercury relay comprises a shielding shell, a hollow coil, a first center conductor, a second center conductor, a mercury tube, a coaxial connector and a shielding layer, wherein the hollow coil is arranged on the inner side of the shielding shell; the shielding layer is arranged on the inner side of the hollow coil; the first center conductor, the second center conductor and the mercury tube are all arranged on the inner side of the shielding layer, and the first center conductor and the second center conductor are connected with the two ends of the mercury tube in the central position of the hollow coil respectively; the end parts, not connected with the mercury tube, of the first center conductor and the secondcenter conductor are both connected with the coaxial connector; the coaxial connectors, the first center conductor, the second center conductor and the mercury tube are coaxial; and a high-pressure-resistant insulating material is filled in the shielding layer. The coaxial mercury relay provided by the invention is of a single-pole single-throw type, and the problems that contact points of a current coaxial switch are oxidized, an arc is easily generated and the high-voltage resistance is insufficient are solved; and meanwhile, the problem of impedance mismatching of existing mercury switch ports is solved.

The invention discloses a device for an acceleration test of a slope. The device comprises an inclined sliding plate, a horizontal sliding plate, a ticker-tape timer, paper tape and a trolley. The lower end of the inclined sliding plate is in smooth connection with the horizontal sliding plate, the ticker-tape timer is installed on the upper portion of the inclined sliding plate, and the paper tape penetrates through the ticker-tape timer and is connected with the rear end of the trolley; the trolley comprises a trolley body and a braking mechanism; a rear wheel shaft is installed at the rearportion of the trolley body, and the middle of the rear wheel shaft is sleeved with a first absorption part; the braking mechanism comprises a power source, a first electromagnet, a mercury switch, atension spring and a tension spring base; the power source, the first electromagnet and the mercury switch are sequentially connected in series through a wire, the first electromagnet is arranged on the front side of the first absorption part, an arc-shaped groove is formed in the rear of the first electromagnet, the tension spring base is fixed to the front side of the first electromagnet, and the two ends of the tension spring are connected with the tension spring base and the first electromagnetic respectively. When moving to a planar sliding plate, the trolley of the device gets braked automatically through a brake, braking is reliable and safe, and therefore it is effectively avoided that the trolley is damaged under collision.

The invention discloses an alarming walking stick, which is formed by arranging an alarming system in a common walking stick. The alarming system is formed by sequentially connecting a mercury switch,an alarming device and a power supply, wherein the mercury switch is a mercury switch sold in the market; the alarming device is an alarming device sold in the market; when the walking stick is in avertical state, a contact in the mercury switch is open; however, when the walking stick is inclined or laid down horizontally, the mercury in the mercury switch close the contact to turn on the powersupply to close a circuit and the alarming device gives an alarm for help; and after a person stands up, the walking stick restores the vertical state, the mercury switch is turned off to cut off power supply. The alarming walking stick is suitable for the disabled and the old who need the walking stick for assistance during walking due to foot and leg problems.

The invention provides a hydrological flood monitoring cableway buoy positioning automatic putting method and a hydrological flood monitoring cableway buoy positioning automatic putting device. On the existing hydrological cableway, a storage battery and a buoy storage box are hung, a plurality of buoys are arranged in the buoy storage box in an overlapped way, a buoy outlet is formed under the box body, an electric magnet is arranged on the box wall, a displacement iron core of the electric magnet is connected with a buoy conducting rod, the electric magnet is conducted with a power supply of the storage battery through a mercury switch, a floating ball is arranged under a fish lead, a floating ball guide rod upwards penetrates through a guide hole formed in the belly part of the fish lead to be connected with one end of a mercury switch body, the fish lead falls down, the floating ball contacts with water, and the floating ball guide rod upwards moves, so that mercury in the mercury switch flows to the other end, the electric magnet and the power supply of the storage battery are conducted, the buoy guide rod moves, and one buoy arranged at the bottom of the buoy storage box is guided out of the water surface. When the fish lead is lifted up, the floating ball falls down under the gravity effect, the floating ball guide rod is linked with the mercury switch to cutoff the power, the buoy guide rod returns the original position under the effect of a reset spring, and the next buoy falls down to a position to be released under the gravity effect.

The invention relates to a ship with an automatic side turn-preventing function. The ship is characterized in that more than one air bag box is embedded into an air bag groove on each side; each of the air bag boxes is divided into a bottom box and a box cover, the box cover faces outward and is hermetically buckled with the bottom box, an inflated air bag is hidden in each of the air bag boxes, and the air bag root, together with the bottom box, is located in the bottom of the air bag groove through a fastener by virtue of a pressing plate, so that the air bag prevents the air bag box from being in contact with the outer side; each of the air bags is provided with an air inlet pipe and a one-way valve connected to the air inlet pipe in series, and is connected to a gas generator through the one-way valve; each of the air bags is provided with a pressure reducing valve, the gas generator is electrically connected to a controller, explosive inflation of the air bags on the left and right sides of the ship is controlled by left and right mercury switches, and the mercury switches are electrically connected to the controller. The ship provided by the invention has the characteristics of being high in safety and reliability, fast in inflating speed, simple in structure and free of high pressure gas sources, that is, high pressure gas cylinders.

The invention relates to an inclined well lid alarm system and an alarm method. The inclined well lid alarm system comprises a well lid seat ring, an outer cover for sealing the well lid seat ring is arranged on the upper portion of the well lid seat ring, an inner cover is arranged in the well lid seat ring, the inner cover is provided with a groove for containing a sealed waterproof box, at least two symmetric glass containers are obliquely arranged in the sealed waterproof box, and mercury switches for detecting inclination of the inner cover are arranged in the glass containers. A circuit board is arranged in the sealed waterproof box, and provided with an MCU, a power module, a communication module and a driving module, the power module, the communication module and the driving module are connected with the MCU, and the driving module is used for driving the mercury switches. The inclined well lid alarm system is simple in circuit function, when a well lid is opened, long conductors and short conductors are connected through sliding of mercury in the mercury switches, and therefore a well lid opening alarm is given out.

The invention discloses an ultrasonic probe stabilizing device used for a water depth tester, comprising an ultrasonic probe body, a speed measurement propeller, a sealed chamber and an empennage, wherein the speed measurement propeller is arranged at the front end of the sealed chamber, and the ultrasonic probe body, a rotary encoder, a driving motor and a control box are arranged in the sealed chamber; a controller is arranged in the control box; a rotating shaft of the driving motor penetrates through the sealed chamber and then is connected with a rotating sleeve in a driving manner; and adriving propeller is fixed on the outer wall, far away from the sealed chamber, of the rotating sleeve. The invention also provides an ultrasonic probe stabilizing method used for a water depth tester, comprising the following steps: the speed measurement propeller rotates, the rotary encoder converts rotating information of the speed measurement propeller into a Z phase signal which is sent to the controller; the controller processes the Z phase signal to obtain the flow velocity of water and the acting force of water flow; on and off of mercury switches SK1 and SK2 are judged; the driving motor is operated, and the operating speed of the driving motor is adjusted. According to the device and the method disclosed by the invention, the testing accuracy of the water depth tester for waterdepth can be improved.

The invention discloses an intelligent well cover alarm system and method, and an application. A warning rod is arranged somewhere near to a shaft port in a shaft, the warning rod is enabled to be connected with the inner wall of the shaft through a rotation base, the warning rod is hollow inside and is provided with a warning circuit board, and the warning circuit board comprises a power supply module, a mercury switch and an alarm signal radio communication module. When a sealing cover of a well cover is at the shaft port, the warning rod is in contact with the bottom of the well cover and is at a transverse state, and the mercury switch is switched off; when the well cover is off the shaft port, the warning rod rotates around the end connected with the rotation base to show a vertical state, and the mercury switch is switched on; and the alarm signal radio communication module, after being energized, automatically sends alarm signals to a monitoring terminal in a wireless mode through a gateway. According to the invention, an alarm can be given in real time when the well cover is stolen, management personnel can take action timely, the time difference between loss and action is shortened, at the same time, pedestrians and vehicles can also be warned, and safety hidden risks can be reduced to the maximum.

The invention discloses a voice help-seeking and alarming functional crutch. A complete recording and reproducing circuit consisting of a battery, a language recording and reproducing module, a mercury switch, a recording microphone, a master switch, a recording switch, an annular LED (Light-Emitting Diode) lamp and a loudspeaker is combined together with the crutch. Language information is recorded into the language recording and reproducing module in advance, the mercury switch is used for automatically switching on a reproducing trigger circuit in the falling process of an aged or a handicapped patient, language help-seeking information is transmitted, and the annular LED lamp flickers, so that the attention of pedestrians is drawn, and in-time rescue of the aged or handicapped patients is realized.

The invention relates to an anti-theft alarming device capable of moving with an article. The anti-theft alarming device is characterized by comprising a 4.5V direct-current power supply, a moveable sensor, a unidirectional thyristor control circuit, a positive feedback oscillating circuit and a loudspeaker YS, wherein the moveable sensor and the unidirectional thyristor control circuit consist of mercury switches (1), unidirectional thyristors SCR and resistors R1; the positive feedback oscillating circuit consists of a resistor R2, an NPN type transistor VT1, a resistor R3, a PNP type transistor VT2, a capacitor C1, a resistor R4 and a loudspeaker YS. Nearly all the anti-theft devices in the market are fixed for use. The anti-theft alarming device capable of moving with the article, disclosed by the invention, can be fixedly arranged at a proper position of an anti-theft move-preventing device in use, such as a motorcar or a bicycle, a precious article and a cultural relic in a museum. When the article is moved, the alarming device gives sound, so that the aims of threatening uninvited guests and causing the attention of a person on duty are fulfilled.

The invention discloses a lift control device of an electric clothing storage cradle. The device is safe and reliable to use and can not easily damage the motor. The device comprises a bracket, a motor and a controller, wherein a tilting plate is hinged with one side of the bracket; one end of the tilting plate is heavier than the other end thereof; the heavier end is provided with a mercury switch; the lighter end is tied with a lifting rope; a permanent magnet is tied below the lifting rope; and the mercury switch is electrically connected with a cradle ascending control circuit on the controller. Since the motor is only controlled by the switch, heavy current can not occur, the coil can not be damaged by heating, and the motor has longer service life. Meanwhile, the abrasion between a motor reducing mechanism and the lifting rope is greatly reduced.