Patents
Literature

2696results about How to "reduce volume" patented technology

Automatic washing and dewatering combined device of rotary type mop

InactiveCN102370447Areduce volumeSimple structure
The invention relates to an automatic washing and dewatering combined device of a rotary type mop, which comprises the rotary type mop and a washing and dewatering barrel, wherein the washing and dewatering barrel contains a barrel body, a dewatering basket and a lifting and fixing device of the dewatering basket, the lower part of the barrel body is provided with a washing area, the upper part of the barrel body is provided with a dewatering area, and the dewatering basket is arranged in the barrel body; the lifting and fixing device of the dewatering basket is arranged in the barrel body and is also connected with the dewatering basket, and the dewatering basket rotates around a main shaft of the lifting and fixing device of the dewatering basket; when the mop is washed, the dewatering basket is positioned in the washing area at the lower part of the barrel body; and when the mop is dewatered, the dewatering basket is lifted into the dewatering area at the upper part of the barrel body by the lifting and fixing device of the dewatering basket. By the device, the functions of washing and dewatering are integrated according to the design of human body mechanics. The device has the characteristics of small washing and dewatering volume, simple and scientific structure, small water consumption, low manufacturing cost, safe and convenient operation, strong practicability, attractive appearance and the like, and the time and the labor are saved.
Owner:上海祥美网络科技有限公司 +1

Miniaturized single feed point dual-frequency and dual-polarization microstrip antenna

ActiveCN101740870Areduce volumelow profile
The invention relates to a miniaturized single feed point dual-frequency and dual-polarization microstrip antenna. The upper surface of a substrate base plate is provided with a first radiation patch and a second radiation patch; the first radiation patch and the second radiation patch are chamfering patches which are symmetrically chamfered in a diagonal position; the second radiation patch is annular, the first radiation patch is positioned in a cavity of the second radiation patch, and the first radiation patch and the second radiation patch have a same center; the lower surface of the substrate base plate is provided with a conduction grounding plate; coaxial probe feed vertically penetrates through the substrate base plate and is directly connected with the first radiation patch to generate electric coupling, and the second radiation patch is electromagnetically coupled with the first radiation patch. The invention realizes dual-frequency circular polarization, has the characteristics of small size, low section, simple manufacture process, low cost, favorable axial ratio bandwidth and higher low-elevation gain and can be used for a high-performance satellite navigation systemreceiver. Meanwhile, the requirements of vehicle-carried equipment on the volume and weight of the antenna can be met.
Owner:CHINA ELECTRONICS TECH GRP NO 26 RES INST

Micro liquid fuel propulsion system used in micro-nano satellite

InactiveCN101445160Areduce volumereduce weight
The invention discloses a micro liquid fuel propulsion system used in a micro-nano satellite. The micro liquid fuel propulsion system comprises a pressurized gas generator, a micro propeller and a fuel storage tank for supplying liquid fuel to the micro propeller, the pressurized gas generator is used for inflating and pressurizing the fuel storage tank; the inside of the fuel storage tank is comparted by a diaphragm into a liquid storage part for storing the liquid fuel and a gas storage part which is communicated with the pressurized gas generator by a gas transmission pipeline, and two ends of the gas transmission pipeline are provided with a pressure sensor and a gas charge-discharge valve respectively; the liquid storage part is communicated with the micro propeller by a liquid transmission pipeline, and two ends of the liquid transmission pipeline near the liquid storage part are provided with a liquid fuel charge-discharge valve and a safety valve respectively; and the liquid transmission pipeline is further sequentially provided with a diaphragm valve, a filter and an solenoid valve. The micro liquid fuel propulsion system avoids the disadvantage of a clumsy structure of a high pressure cylinder which is used in the traditional liquid fuel satellite propulsion system for pressurizing the fuel, and can meet the requirements of the micro-nano satellite for small size, light weight and low energy consumption.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI

Rail type conveyer

InactiveCN101368806ASimple structurereduce volume
A track-type conveyor comprises a machine rack, a drive belt wheel, a drive belt wheel, a synchronous belt, a motor, a long linear guide rail, clips and a clip support mechanism; the drive belt wheel and the driven belt wheel are respectively fixed on the machine rack; the long linear guide rail is arranged on the machine rack; the clips are respectively positioned on two clip spacer plates on the clip support mechanism which can realize the displacement transformation among clips; each clip spacer plate in the clip support mechanism is matched with a short linear guide rail in the clip support mechanism through a clip slider connected with the clip spacer plate; the clip spacer plate is driven by a drive mechanism which is fixed in a short guide rail mounting plate to enable the two clip spacer plates to be furled and opened along the short linear guide rail; and the short guide rail mounting plate of the clip support mechanism is connected with the synchronous belt and also matched with the long linear guide rail through a main slider connected with the short guide rail mounting plate. The invention is characterized by simple structure, small size, easy installation and detachment, as well as fast delivery speed, which can rapidly deliver the packages conveyed from an automatic clip feeder to the predetermined locations in accordance with the scheduled itinerary.
Owner:湖北恒普自动化装备有限公司

All-solid-state carbonate ion selective electrode and manufacture method of all-solid-state carbonate ion selective electrode

InactiveCN102156157Areduce volumeHigh mechanical strength and toughness
The invention discloses an all-solid-state carbonate ion selective electrode and a manufacture method of the all-solid-state carbonate ion selective electrode. The all-solid-state carbonate ion selective electrode comprises a metal wire, solid electrolyte, a carbonate ion sensitive film and a heat shrinking tube. The solid electrolyte is covered on the metal wire; the carbonate ion sensitive filmis covered on the solid electrolyte layer; and the heat shrinking tube is covered on the part of the metal wire, where is not covered with the carbonate ion sensitive film. The invention also discloses a manufacture method and a calibration method of the all-solid-state carbonate ion selective electrode; the solid electrolyte and the carbonate ion sensitive film are coated on the surface of the metal wire in layers by a coating method; and the concentration of the carbonate ions in the solution can be detected fast and accurately by pairing the selective electrode and an external reference electrode. The exploring electrode provided by the invention has quite high mechanical strength and toughness, has the characteristics of small volume, convenience in carrying and operation, fast response and low manufacture cost, and is suitable for online detecting and long term monitoring the contents of carbonate ions in natural water, chemical and chemical industrial water mediums.
Owner:ZHEJIANG UNIV

Pneumatic propulsion device of welding fixture positioning pin for automobile body and work method thereof

The invention discloses a pneumatic propulsion device of a welding fixture positioning pin for an automobile body, comprising the positioning pin. The pneumatic propulsion device is characterized by consisting of a driving part and a positioning part, wherein the driving part is fixed on a clamp body; a gas source is input from the input end of the driving part; the out end of the driving part is connected with the welding fixture positioning pin for the automobile body; and the positioning part is fixedly arranged on the driving part. The work method of the pneumatic propulsion device comprises the following steps of: arranging the positioning pin on a front-end guide rod of an air cylinder driving rod of the air cylinder; arranging a stamping part for installing the positioning pin on a corresponding clamp; connecting the gas source to push out the air cylinder driving rod and allowing the positioning pin to penetrate into a preserved positioning hole in the stamping part; and finishing the accurate positioning of the positioning pin on the stamping part in the welding process of the automobile body. The pneumatic propulsion device has the advantages of small size, simple work flow, stable work state, convenience for installation and operation and capable of positioning the positioning pin on the stamping part accurately; and with low construction cost of the device, the cost of the production flow can be greatly reduced.
Owner:天津天汽模车身装备技术有限公司

3D printing robot capable of freely moving

InactiveCN104527067Acompact structurereduce volume
The invention relates to a 3D printing robot capable of freely moving. The 3D printing robot capable of freely moving comprises an omni-directional mobile platform mechanism, a Z-axis lifting mechanism, a 3D printing mechanism and a feedback/communication/control circuit. The 3D printing robot capable of freely moving is characterized in that the Z-axis lifting mechanism is fixedly connected to the omni-directional mobile platform mechanism, the 3D printing mechanism is fixedly connected to the Z-axis lifting mechanism, the feedback/communication/control circuit is installed on the omni-directional mobile platform mechanism simultaneously, and the omni-directional mobile platform mechanism and the Z-axis lifting mechanism are controlled by virtue of the feedback/communication/control circuit to drive the 3D printing mechanism to realize printing of a strip-shaped object without a dimensional limit in a three-dimensional space. The 3D printing robot capable of freely moving has the characteristics of compact structure, small size, no printed object dimensional limit of the traditional 3D printer, high movement flexibility and high printing speed; meanwhile, the cooperative communication of any multiple printing robots is realized, and the 3D printing efficiency is further enhanced. The 3D printing robot capable of freely moving is especially suitable for low-cost and high-efficiency printing of large-distance strip-shaped objects such as building walls.
Owner:SHANGHAI UNIV

Frequency domain power distributor for AMPSK (Asymmetric M-ary Phase Shift Keying) simultaneous wireless information and power transfer system

ActiveCN104135454ASimple and cheap circuitreduce volume
The invention discloses a frequency domain power distributor for an AMPSK (Asymmetric M-ary Phase Shift Keying) simultaneous wireless information and power transfer system, which is different from the conventional time domain power distribution scheme, a receiving signal is decomposed to two parts on a frequency domain by the power distributor, wherein a carrier frequency component is used for energy harvesting, and a sideband component is used for information demodulation; through the power distributor, demodulation of a modulating signal can be completed while carrier energy of the receiving signal is extracted for supplying power to equipment, therefore, simultaneous transfer of information and energy can be really achieved through sending one way of signals only. The power distributor is a three-port network formed by a 3dB branch directional coupler and a power synthesis circuit. According to the frequency domain power distributor, on the premise of keeping the advantages of high spectral efficiency of the AMPSK modulating signal, quick information throughput rate and the like, the potential of a sine-like mechanism reserving the carrier is fully explored, and the frequency domain power distributor is one of constituent parts of the AMPSK simultaneous wireless information and power transfer system.
Owner:SOUTHEAST UNIV

Remote-control electric scooter capable of being transformed into electric bicycle

InactiveCN102632952Areduce volumeeasy to carry
The invention discloses a remote-control electric scooter capable of being transformed into an electric bicycle. The remote-control electric scooter comprises a plate body, a folding mechanism, a circuit system, wheels and a remote controller. The remote-control electric scooter capable of being transformed into the electric bicycle is characterized in that a combined handlebar is arranged on a plate face; a foldable saddle is arranged in the internal space formed by a chassis and the plate face; the plate face is movably connected with one end of the chassis; the foldable saddle is provided with an angle adjuster; a plate body is of a hollow structure; the circuit system is internally arranged in the plate body; the wheels are formed by coating tyres on the periphery of wheel hub motors;and the remote controller is provided with a wireless signal transmitter. The remote-control electric scooter capable of being transformed into the electric bicycle has the advantages that the mutualtransformation between an electric scooter and the electric bicycle can be realized, the remote-control electric scooter capable of being transformed into the electric bicycle is a remote-control electric scooter when the remote-control electric scooter capable of being transformed into the electric bicycle is in a folded state, and has the characteristics of small volume and convenience in carrying and storage, and the remote-control electric scooter capable of being transformed into the electric bicycle is transformed into the electric bicycle when the remote-control electric scooter capable of being transformed into the electric bicycle is in an unfolded state, and has the characteristics of fashionable appearance and generous structure, so that the needs of people on entertainment body building and traffic transportation are met, and the psychological need of people on the pursuit of novelty and fashion in modern society is also met.
Owner:路海燕

Topological magnetic integrated converter suitable for LLC resonance series

According to the defect that the magnetic member of the existing LLC resonant converter has a larger volume, the invention provides a magnetic integrated converter suitable for LLC resonant series topology, pertaining to the direct current converter. The converter designs the transformer and inductances in the original circuit of the converter into an integrated magnetic member, the converter not only can decrease the volume of the magnetic members, but also allows the leakage inductance to be easy to control, wherein the leakage inductance are centralized at primary side. The converter includes a direct-current power supply, an LLC resonant transformer, a primary circuit and a secondary rectification circuit, the converter uses the integrated magnetic member as a magnetic integrated converter, wherein, the integrated magnetic member includes a couple of relative setup EE iron cores, the iron cores are respectively winded with a primary winding and a secondary winding, part of the primary winding and entire secondary winding are winded at the middle pole, the other part of the primary winding are winded at the left side pole or right side pole; the input end of the primary winding is connected to the primary circuit, the output end of the secondary winding is connected to the secondary rectification circuit.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Convenient water-saving all-composite nano-filtration and reverse osmosis water purifier

InactiveCN103755051Acompact structurereduce volume
The invention relates to a convenient water-saving all-composite nano-filtration and reverse osmosis water purifier. The convenient water-saving all-composite nano-filtration and reverse osmosis water purifier comprises a shell, a filter element and a micro booster pump, wherein a clean water outlet nozzle is arranged on the shell; the filter element and the micro booster pump are arranged in the shell; the filter element is a composite filter element; the composite filter element adopts a cylindrical and radial multi-layer composite structure; a filter element seat is arranged in the shell; the composite filter element is arranged on the filter element seat in the shell; a space is reserved in the outer wall of the composite filter element to form a water inlet cavity; a water outlet cavity is separated from the water inlet cavity by a filter layer of the composite filter element; a water inlet connector and a washing water connector are also arranged on the shell. According to the convenient water-saving all-composite nano-filtration and reverse osmosis water purifier, the composite filter element with a multi-layer filter layer is arranged in the shell, so that the structure is compact, the volume is small, the water purifier is mounted at the required placed and is mounted without help of professionals; meanwhile, the washing water connector is arranged, so that waste water can be recovered and recycled to fulfill the aim of saving water.
Owner:饶桂华

Wearable fetus education bellyband system with fetus sound monitoring, fetus movement detection and fetus movement trajectory induction functions

InactiveCN104306018Areduce volumeeasy to wear
The invention relates to a wearable fetus education bellyband system with fetus sound monitoring, fetus movement detection and fetus movement trajectory induction functions. The wearable fetus education bellyband system comprises a flexible substrate, a sound pickup array, a sound acquisition and detection module, a voice-based fetus education storage and play module, a light-based fetus education LED (Light Emitting Diode) lamp array, a system control module and a system power supply module. The sound pickup array transmits acquired fetus sound and fetus movement signals to the sound acquisition and detection module, and the position of the strongest fetus sound signal is obtained through the optimum channel selection algorithm of the system control module, wherein the position of the strongest fetus sound signal is the position of the heart of a fetus, the head of the fetus and the body posture of the fetus are judged according and thus light-based fetus education and voice-based fetus education can be conducted at positions close to the head of the fetus. In addition, the fetus can be stimulated and induced to move by using voice and light signals at different positions, so that the movement direction and trajectory of the fetus can be changed. On one hand, the situation that the umbilical cord of the fetus is twisted on the neck of the fetus can be prevented and reduced, and on the other hand, the autonomous monitoring and fetus education of a pregnant woman can be realized.
Owner:CHONGQING UNIV OF TECH
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