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5211results about How to "Extended service life" patented technology

Fracturing manifold quick connecting device

The invention discloses a fracturing manifold quick connecting device. A first movable elbow, a linear pipe, a second movable elbow, a plug valve and a check valve are connected in sequence. A supportis fixedly connected with the second movable elbow. One end of an oil cylinder is connected with the linear pipe. The other end of the oil cylinder is connected with the support. The oil cylinder candrive the linear pipe to rotate around the second movable elbow. A control unit controls the oil cylinder through a hydraulic system, and accordingly, rotation of the linear pipe is controlled. The fracturing manifold quick connecting device has the beneficial effects that a one-way valve enables one-way flowing of fracturing fluid from fracturing equipment to a manifold package to be achieved, the situation that reflux of the fracturing fluid damages the fracturing equipment is avoided, the one-way valve can further gather fluctuation caused by a pressure difference to the position where thequick connecting device is connected with the manifold package, vibration of the whole quick connecting device is reduced, and the service life is prolonged; the plug valve achieves on-off of drainage of the single fracturing equipment, and the maintenance cost is lowered; and the hydraulic system achieves automatic adjustment of the quick connecting device, no manual uplifting or pressing is needed, the control unit enables remote control to be achieved, time and labor are saved, and the manual operation difficulty is lowered.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH

Electronic cigarette atomizer

InactiveCN104939326AAvoid Leakage ProblemsExtended service life
The invention discloses an electronic cigarette atomizer which is characterized by including a cigarette holder with a smoking hole and an atomizer body detachably connected with the cigarette holder, wherein the cigarette holder includes a cigarette holder body and a sealing part; the cigarette holder body is in threaded connection with the sealing part; the atomizer body includes an atomizing bin and a fixing base; the atomizing bin is in threaded connection with the fixing base. According to the electronic cigarette atomizer provided by the invention, air inlets are formed in the top of the electronic cigarette atomizer, which utilizes the theory that air inflows through the top of the atomizer to form air recirculation, and inner pipes inside the atomizer are connected with an atomizing core at the bottom of the atomizer in a sealing manner, so that liquid leakage of an electronic cigarette is avoided; a liquid guide structure is adopted for sucking nicotine liquid automatically from a liquid storage chamber, so that a large amount of external air enters an atomizing chamber, sufficient air is provided for the atomization of nicotine liquid, the nicotine liquid can be fully atomized to ensure that a large amount of smoke is generated, the dry burning problem caused by insufficient supply of nicotine liquid is avoided, and the service life of the atomizer is prolonged.
Owner:杨卫东

Pixel compensating circuit

InactiveCN103035202AExtended service lifeOvercoming Process Variations and Current Drops
The invention provides a pixel compensating circuit which comprises a first switch, a second switch, a third switch, a fourth switch, a fifth switch and an organic light emitting diode. A first end of the first switch is connected with a data signal. A control end of the switch is connected with a first control signal. A first end of the second switch is connected with a first voltage. A control end of the second switch is connected with a second control signal. A control end of the third switch is connected with a second end of the first switch. A first capacitance is arranged between a first end and the control end of the third switch. A first end of the fourth switch is connected with the second end of the first switch. A control end of the fourth switch is connected with a third control signal. A control end of the fifth switch is connected with a fourth control signal. An anode of the organic light emitting diode is connected with a second end of the fifth switch. A cathode of the organic light emitting diode is connected with a second voltage. Adopting the pixel compensating circuit, service life of the organic light emitting diode (OLED) is prolonged due to the fact that the fifth switch is in an open state only in the lighting period. In addition, electric current which flows through the OLED is only in relation to reference voltage and data voltage and influences such as difference of processing and fall of the electric current are overcome.
Owner:AU OPTRONICS CORP

Method for treating and recycling lead-zinc sulfide ore dressing wastewater

The invention provides a technique for treating and recycling lead-zinc ore dressing wastewater and aims to solve the problems of influence on the ore dressing index due to the recycling of the ore dressing wastewater for production and environmental pollution caused by drainage. The novel technique for treating and recycling the lead-zinc sulfide ore dressing wastewater comprises the steps of: adjusting the pH value of the total wastewater of an ore dressing plant; adding ferrous sulfate and flocculant into the wastewater to perform oxidation-coagulation treatment; and oxidizing the treated water by using chlorine dioxide, and performing catalytic oxidation and adsorption by using an active carbon bed, so that the treated water reaches the relevant discharge standard of China; and totally recycling the treated water by adopting the combined application of potential-controlled flotation and an environmental-protection collector. Compared with the field process technique, the method saves the cyanide flotation process and improves the recovery rates of lead, zinc and gold. The method provides whole technical integration of the combined application technique of the potential-controlled flotation and the environmental-protection collector and the wastewater treatment technique for the treatment and recycling of the lead-zinc ore dressing wastewater, and realizes recycling of the ore dressing wastewater.
Owner:HUNAN HERMES SAFE ENVIRONMENT PROTECTION SCI

System for online monitoring faults of electric power line

InactiveCN103487726AImprove job stability and reliabilityExtended service life
The invention relates to a system for online monitoring faults of an electric power line. The system comprises a remote terminal device and a monitoring master station, wherein the remote terminal device comprises a fault indicator and a line fault data collector which are in communication connection by an RF (radio frequency) network, the monitoring master station comprises a handheld mobile terminal and a microprocessor control terminal, the line fault data collector communicates with the data receivers of the handheld mobile terminal and the microprocessor control terminal through a GSM/GPRS (global system for mobile/general packet radio service) communication module by a mobile communication network, and the upper computer of the microprocessor control terminal communicates with the handheld mobile terminal through a GSM/GPRS generating and receiving data module of the data receiver by the mobile communication network. According to the system, intelligent monitoring is realized; in the manners of on-site indication and remote fault alarm, the fault types and fault points are confirmed, the faults are located accurately and timely; as two terminals are adopted, the faults are alarmed timely, reasonable dispatch is realized, the fault elimination efficiency is improved, and the power distribution reliability is improved.
Owner:ZHEJIANG BIZMAN ELECTRIC

Method for manufacturing embedded type multi-layer compound film cutting temperature sensor

The invention relates to a method for manufacturing an embedded multi-layer composite thin-film cutting temperature sensor, in particular to a method for measuring the transient cutting temperature of a cutter point during cutting and manufacturing, and belongs to the temperature sensor field. SiO2 insulating film deposition on a cutter body is carried out for a plurality of times, so as to form a multi-layer composite thin film; then a thin-film thermocouple is formed through sputtering deposition of a NiCr thin-film electrode and a NiSi thin-film electrode; and then the prepared thin-film thermocouple is embedded into a protective layer. The radio-frequency reactive unbalanced magnetron sputtering technology is enhanced by adopting a microwave ECR plasma; the prepared thin-film thermocouple is embedded into the protective layer, so as to be prepared into an embedded multi-layer composite thin-film temperature measurement sensor integrating the cutting and the temperature measurement. The sensor has the advantages of long service life and cost-effectiveness. The thermocouple has the advantages of minimum size of a hot end and short response time, thereby achieving the submicrosecond level. A compensation conducting wire is hidden in a cutter head, so that the anti-interference capability is strong. Therefore, the cutting temperature of the cutter point can be measured rapidly, accurately and stably by the method.
Owner:DALIAN UNIV OF TECH

Mixed-type high-voltage DC breaker and implementation method thereof

ActiveCN105281303AReduce on-state lossExtended service life
The invention discloses a mixed-type high-voltage DC breaker and an implementation method thereof. The DC breaker is connected in a DC system in series and concretely comprises the following branches connected in parallel: an on-state branch, a pre-transfer branch, a re-transfer branch and an energy-dissipating branch. The on-state branch comprises at least one quick mechanical switch and a first current transfer module including a full control device, and the quick mechanical switch and the first current transfer module are connected in series. The pre-transfer branch comprises the following parts connected in series: a first inductor, a first semi-control device thyristor serial connection module, and a second current transfer module including a full control device. The re-transfer branch comprises the following parts connected in series: a second inductor, a second semi-control device thyristor serial connection module, and a capacitor. The energy-dissipating branch is formed by a non-linear resistor. The implementation method comprises corresponding operations when the DC system runs normally or when a short circuit fault happens to the DC system. With the prerequisites including a fast enough breaking speed and low losses ensured, the DC breaker employs the semi-control device thyristors, so that the capability of breaking current is good, the voltage-withstanding level is high, and the cost is greatly reduced.
Owner:NR ELECTRIC CO LTD +1

Quick shredding device for medical abandoned medicine packaging boxes

InactiveCN106179641AProtection of rotating electrical machinesExtended service life
The invention relates to a shredding device for abandoned medicine packaging boxes, in particular to a quick shredding device for medical abandoned medicine packaging boxes. The technical aim to be achieved is to provide the quick shredding device which is simple in structure, easy and convenient to operate and high in practicability and is used for the medical abandoned medicine packaging boxes. In order to achieve the technical aim, the quick shredding device for the medical abandoned medicine packaging boxes is provided and comprises a bottom plate, a left frame, a first slide rail, a first slide block, a shredding frame, a rack, a second slide rail, a guide plate, a second slide block, a right frame, a fixed plate, a misshapen gear and the like. The left frame, the first slide rail, the second slide rail and the right frame are sequentially arranged on the top of the bottom plate from left to right. The guide plate is arranged on the middle portion of the right side of the left frame. A guide hole is formed in the right portion of the guide plate. By means of the shredding device, the effect of the high practicability is achieved, the structure is simple, the manufacturing cost of the device is low, meanwhile, the device is easy and convenient to operate, and workers can rapidly learn to operate the shredding device.
Owner:李汉文
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