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88results about How to "No shock" patented technology

Solar heating system combined with bedding apparatus

The invention relates to a solar energy heating system combined with a sitting and lying appliance, which comprises a sitting and lying appliance, a solar energy collector, an auxiliary heat source, a circulating pump, and correlative pipelines and valves, wherein a sealed inner shell is arranged in the sitting and lying appliance, a phase change heat-accumulating material is filled in the sealed inner shell, a heat exchange pipe is embedded in the phase change heat-accumulating material, the inlet and outlet ends of the heat exchange pipe are provided with valves, the heat exchange pipe is connected with the inlet and outlet valves, the circulating pump and the solar energy collector through a pipeline to form a closed loop, and a heat transfer fluid is filled in the heat exchange pipe. The heat exchange pipe can be a series type coil pipe or a parallel connection coil pipe, and can be arranged in a single layer or a plurality of layers. The sitting and lying appliance has the functions of both a heat accumulator and a heat radiator. The solar energy heating system making use of the solar energy, phase change heat accumulation and the sitting and lying appliance combination is clean, comfortable and safe, and can greatly reduce the area of the heat accumulator to improve the efficiency of the heat accumulator while building a local heat comfortable environment.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Epoxy mortar for bridge expansion joints and construction method thereof

The invention relates to an epoxy mortar for bridge expansion joints and construction method thereof, and belongs to the technical field of building materials. The epoxy mortar material consists of a liquid A, a liquid B and a filler; and diamines D2000 and D230 are mixed as an epoxy curing agent. The curing agent has low viscosity, good compatibility with the epoxy resin, long working life, high bonding strength, good flexibility and thermal shock resistance, and can be applied to the epoxy mortar material capable of absorbing the stress. The epoxy mortar material mixed from the liquid A, liquid B and filler for construction of bridge expansion joints changes the condition that rigid concrete, which can to be easily damaged under impact stress, needs profile steel for protection in the traditional bridge expansion joint; epoxy mortar material substitutes the rigid concrete in traditional expansion joints, avoids a steel structure, and has good waterproof and seal performance; the expansion joints have color consistent with the color of the adjacent concrete or asphalt, so that the bridge is more beautiful; the expansion joints cannot cause vibration of vehicles when the vehicles pass by the expansion joints; and the noise generated by the vehicles is lower.
Owner:HEERON TECH (WUHAN) NEW MATERIALS CO LTD

Storage battery voltage balancing device

The invention discloses a storage battery voltage balancing device and belongs to intelligent charging and discharging control devices of storage battery packs for direct-current power sources in an electrical power system. A storage battery charging control circuit is connected with a single chip, a storage battery managing chip is connected with the single chip via an SPI (serial peripheral interface) bus. In a storage battery voltage acquisition circuit, a storage battery pack is formed by a plurality of storage batteries which are mutually serially connected, and a positive electrode of every storage battery in the storage battery pack is connected with the storage battery managing chip. In a storage battery discharging control circuit, the positive electrode of every storage battery is connected with a source electrode D of a P-type MOSFET (metal-oxide -semiconductor field effect transistor), and the negative electrode of every storage battery is connected with the storage battery managing chip. During discharging, only overcharged batteries are discharged; and during charging, only batteries with low capacities are charged. The storage battery voltage balancing device is small in size, low in noise, high in reliability and real-time in control.
Owner:STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST +2

Intelligent real-time seamless switching two unit standby method

The invention discloses an intelligent real-time seamless switching two unit standby method. The method is based on a two unit standby system, wherein a major state server and a standby state server are registered through two unit standby protocols and then form the two unit standby system. The method particularly includes the following steps that (1) the standby state server sends a request for entering two unit standby and judges request reply information; (2) the standby state server determines whether standby connection is established or not according to the request reply information; (3) after the standby connection is established, the standby state server waits for receiving a heartbeat request, if the heartbeat request is received, the standby state server sends a heartbeat request reply, waits for standby operation, and backups data sent by the major state server, if the heartbeat request is not received, the standby state server is initiatively switched to the major state server through the two unit standby protocols. The method further includes the working process of the major state server. Intelligence and real-time performance of the system are guaranteed, network oscillation generated in the process of switching the major state server and the standby state server is avoided, and operation of network users can not be affected.
Owner:苏州迈科网络安全技术股份有限公司

Health elevator device

The invention discloses a health elevator device. The health elevator device consists of an elevator control cabinet transformer unit, a single-phase inverter power module unit, a boosting transformer unit, a normal/power failure conversion circuit unit, a voice player, a fan, a negative ion generator, a single-phase inverter pulse width modulation (PWM) wave generator, a storage battery and a charging/discharging unit, wherein negative ions of the negative ion generator are fed into a cage by using the fan; when an external power grid is operated normally, the power of the negative ion generator and the power of the fan are supplied by the external power grid; when the external power grid is operated abnormally, the power of the negative ion generator and the power of the fan are supplied by a backup reverse power supply; and when the power fails, the power of the voice player is supplied by the storage battery, and the voice player plays light music and calm voice. The health elevator device can not only be used for a new elevator, but also be used for changing a control system of an old elevator. When the power fails, a backup power supply is adopted for supplying power, an airenvironment of the cage cannot change badly because of the failure of the power, and the light music and the calm voice are played in time, so that intense sentiment, generated because of the power failure, of passengers is eased.
Owner:GUIZHOU TIANYI ELEVATOR COMPLETE SET EQUIP

Air feeding and discharging adjustment system with multiple connection pipes

The invention discloses an air feeding and discharging adjustment system with multiple connection pipes in the technical field of internal combustion engines. The air feeding and discharging adjustment system comprises an air compressor, a turbine, an engine, the connection pipes, a volumetric cavity, a moving body, penetration pipes and an elastic part, wherein the first penetration pipe and the second penetration pipe penetrate through the upper wall surface and the lower wall surface of the moving body; and the right wall surface of the moving body is connected with the right wall surface of the volumetric cavity through the elastic part. In the working process of the engine, the moving body can move in the volumetric cavity left and right; under a working condition of low speed, the pressure of the left side of the moving body is relatively low, so that the moving body moves towards the left, the first connection pipe and the third connection pipe are communicated with each other, the air feeding amount of the air compressor is relatively increased, and the air compressor does not surge; and under a working condition of high speed, the pressure of the left side of the moving body is relatively high, so that the moving body moves towards the right, the fifth connection pipe and the sixth connection pipe are communicated with each other, the air feeding amount of the engine is relatively reduced, and the detonation pressure of each cylinder is reduced. The air feeding and discharging adjustment system is rational in design and suitable for turbine pressurization systems of engines and has a simple structure.
Owner:SHANGHAI JIAO TONG UNIV

Abdomen massage device for shaking of waist parts of two sides

The invention relates to an abdomen massage device for shaking of waist parts of two sides. The abdomen massage device comprises an outer casing and a motor, wherein the motor is arranged at the top part of the interior of the outer casing, an eccentric wheel and a first rotor are sequentially and fixedly arranged on an output shaft of the motor, the extending end of the output shaft of the motor is movably connected with the bottom part of the interior of the outer casing, connecting handles are respectively arranged at the left part and the right part of the eccentric wheel along the circumferential direction, a waist support is arranged at the extending end of each connecting handle, one end of a transmission shaft is movably connected with the top part of the interior of the outer casing, the other end of the transmission shaft extends out of the outer casing, the transmission shaft is movably connected with the bottom part of the outer casing, a second rotor is fixedly arranged on the transmission shaft, and is connected with the first rotor by a conveying belt, the extending end of the transmission shaft is connected with a horizontal support frame, and a massage hammer sleeves the end part of the support frame. The abdomen massage device has the advantages that the massage hammer rotates and rolls on an abdomen of a human body to assist the left and right swinging of the waist supports, the muscle of the abdomen is exercised, and the purposes of gastrointestinal peristalsis, digestion and absorbing of foods, weight losing, body building and the like can be promoted.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV

Compressor and turbine homo-mechanism regulating mechanism

A compressor and turbine homo-mechanism regulating mechanism in the technical field of internal combustion engines comprises a compressor, a turbine, an engine, connecting pipes, a containing cavity, a moving part, penetrating pipes and an elastic part. Both the first penetrating pipe and the second penetrating pipe penetrate an upper wall and a lower wall of the moving part. A left wall of the moving part is connected with a left wall of the containing cavity through the elastic part. During operation of the engine, the moving part can move left and right in the containing cavity. At low operating speed, left pressure of the moving part is low, the moving part moves to the left, the first connecting pipe and the third connecting pipe are communicated with each other, air intake of the compressor increases relatively, and the compressor barely surges. At high operating speed, left pressure of the moving part is high, the moving part moves to the right, the fifth connecting pipe and the sixth connecting pipe are communicated with each other, air intake of the engine decreases relatively, and detonation pressure of cylinders lowers. The compressor and turbine homo-mechanism regulating mechanism is reasonable in design, simple in structure and applicable to turbocharging systems of engines.
Owner:SHANGHAI JIAO TONG UNIV

Regulating device for air intake and discharge flow of supercharger

The invention belongs to the technical field of internal combustion engines and relates to a regulating device for air intake and discharge flow of a supercharger. The regulating device comprises a compressor, a turbine, the engine, a connecting pipe, a volume chamber, a moving member and an elastic component, wherein the moving member is installed in the volume chamber, contacts with the inner wall surface of the volume chamber in a sealing mode and is connected with the right wall surface of the volume chamber through the elastic component. During operation of the engine, the moving member can move left and right in the volume chamber. Under a low-speed working condition of the engine, the moving member moves right, a first connecting pipe is communicated with a second connecting pipe, and the flow of the compressor is relatively large, so that the surge of the compressor can be prevented; and under a high-speed working condition of the engine, the moving member moves left, a third connecting pipe is communicated with a fourth connecting pipe, the performance of the turbine is reduced, the air intake of the engine is relatively reduced, and detonation pressures of the cylinders are reduced. The regulating device for the air intake and discharge flow of the supercharger is reasonable in design, simple in structure and suitable for turbine pressurization systems of engines.
Owner:SHANGHAI JIAO TONG UNIV

Remote intelligent control system for musical instrument loudspeaker

The present invention relates to the technical field of loudspeaker control systems and particularly relates to a remote intelligent control system for musical instrument loudspeaker. The remote intelligent control system comprises a communication system, a remote control end, a power amplifier system, a low-pass filter circuit, a protection circuit, a bus system, and a central processing system. The power amplifier system is used for amplifying a weak signal from a sound source or a preamplifier, the signal is converted by the central processing system and then is transmitted to the remote control end through fiber communication, and the remote intelligent control is realized. The low-pass filter circuit allows a low frequency signal to pass and does not allow middle and high frequency signals to pass, the low-pass filter circuit has the effects that the middle and high pitch components in the audio signal are filtered, a low pitch component is enhanced to drive a low pitch unit of the loudspeaker, and the low pitch experience sense of the speaker can be increased. The protection circuit has the advantages of large output power, a small gain difference of two sound channels, no impact sound of the loudspeaker in turn-on and turn-off, and reliable overheat and overload short circuit protection. The remote intelligent control system has the advantages of a simple structure, a high degree of intelligence, a wide application range, and high creativity.
Owner:安徽井利电子有限公司

Construction method for static pressure carrier pile

The invention provides a construction method for a static pressure carrier pile. The construction method for the static pressure carrier pile includes the steps that firstly, an outer pipe is clasped by a clamping system of a static pile driver, and an inner pipe is sleeved with the outer pipe in an overlapped manner; secondly, the outer pipe is pressed by the designed depth in a static pressing manner; thirdly, the inner pipe is clasped by the clamping system; fourthly, the inner pipe is lifted up, a gap between the inner pipe and the outer pipe is filled with a fine particle packing material, the inner pipe is clasped, and the packing material is pressed downwards; fifthly, downward-pressing operation of the packing material is repeated till a carrier is formed at the bottom end of the pile, and the tip resistance pressure numerical value is observed; and sixthly, a cast-in-situ or embedded concrete pile body is manufactured. The other construction method for the static pressure carrier pipe includes the steps that firstly, sinking of a pile casing is conducted; secondly, a prefabricated pile body is clasped by the clamping system of the static pile driver and is sunk into the pile casing; thirdly, the prefabricated pile body is lifted up, a gap between the pile casing and the prefabricated pile body is filled with the fine particle packing material, the prefabricated pile body is clasped, and the packing material is pressed downwards; fourthly, downward-pressing operation of the packing material is repeated till the carrier is formed at the bottom end of the pile, and the tip resistance pressure numerical value is observed; and fifthly, the gap between the pile casing and the prefabricated pile body is filled with cement mortar, the pile casing is lifted out, and the pile is formed.
Owner:王继忠

Breaker with function of vertical stress decomposing

InactiveCN104071729AEasy to operateThe breaking effect is safe and controllableOpening closed containersBottle/container closureMedical staffResultant force
The invention discloses a breaker with a function of vertical stress decomposing. The breaker comprises a guide portion. The guide portion is internally provided with a passage; the passage having a turn is divided two segments by the turn; one segment is provided with an entry in the surface of the guide portion; the length from the turn to the entry is larger than the height of a nipple of an ampule and that of the ampule. With the breaker, a medical worker can break the ampule just by directly inserting the ampule into the entry of the breaker in the height-wise direction and applying force in the same direction; during use of the breaker, resultant force borne by the ampule is from the height-wise direction, the stress is decomposed into breaking force whereby the nipple is broken and recoiling force deviating to the horizontal direction, the breaking process is stable and basically free of vibration, and transverse vibration in the traditional breaking process is avoided. The process of using the breaker is free of flying of broken glass and splashing of liquid medicines, the risks that foreign matters are mixed in the liquid medicines and the liquid medicines are mixed during the opening process of the ampules are decreased, and safety of medical staff is guaranteed effectively.
Owner:重庆莱美医疗器械有限公司

Automatic variable power transmission mechanism of electric motor car

The invention belongs to the technical field of the power transmission of an electric motor car, in particular to an automatic variable power transmission mechanism of an electric motor car, comprising a box body, and a motor is arranged on the side wall of the box body and is provided with a motor shaft. The box body is internally provided with an input shaft, an output keyway shaft and an axle, wherein the motor shaft is in transmission connection with the input shaft; the output keyway shaft is in transmission connection with the axle; the input shaft is provided with a high-speed driving gear and a low-speed driving gear; the output keyway shaft is provided with a clutch on which a high-speed driven gear is fixed, a one-way driver is arranged between the output keyway shaft and the low-speed driven gear, the output keyway shaft is provided with a driven keyway sleeve, a driven friction sheet and a driving friction sheet are arranged between the driven keyway sleeve and the clutch, a driving-driven keyway sleeve separating spring is arranged on the end surfaces of the friction sheets, a slope groove is arranged between either friction sheet and the bottom end of the clutch, an eccentric bead is arranged in the slope groove, and an eccentric axial repulsion mechanism is formed by the slope groove and the eccentric bead.
Owner:蔡旭阳

Constant image brightness automatic adjusting circuit

ActiveCN104349034ANo shockThe adjustment method is stable and reliableTelevision system detailsColor television detailsCamera imageMotor drive
The invention relates to the image brightness automatic control technology field and particularly relates to a constant image brightness automatic adjusting circuit. According to the adjusting circuit, a set gray value signal and an output signal of a position feedback loop connected with an input end of a contrast module A are respectively received by two input ends of the contrast module A, an output end of the contrast module A is directly connected with a position loop operation network, two input ends of a contrast module B are respectively connected with the position loop operation network and an output end of a rate feedback loop, an output end of the contrast module B is connected with a rate loop operation network, an output end of the rate loop operation network is sequentially connected with a digital analog converter (DAC) and a power amplification module, and a motor driving control signal is outputted. Through feedback proportion coefficients and a lead-lag network of the two loops in the adjusting circuit, the system realizes high dynamic following and no concussion. The adjusting method is stable and reliable, the camera image can be constantly maintained at the set gray value, and the response speed is fast.
Owner:BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH +1
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