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64results about How to "No electricity" patented technology

Anti-reverse-connection circuit, method and device for power line of variable-frequency air conditioner, and air conditioner

The invention discloses an anti-reverse-connection circuit, method and device for a power line of a variable-frequency air conditioner, and the air conditioner. A detection unit is connected with an indoor unit and an outdoor unit through a null line, connected with the indoor unit through a first communication line and connected with the outdoor unit through a second communication line, and thusthe detection unit is further connected with a switch unit; the switch unit is connected with the indoor unit through a first firing line and connected with the outdoor unit through a second firing line; the detection unit obtains the output voltage of the indoor unit, the external interruption time is obtained according to the output voltage, and whether the first firing line is in reverse connection with the first communication line or not is judged according to the external interruption time; and the switch unit is disconnected with the indoor unit and the outdoor unit during reverse connection. The external interruption time is obtained through the detection unit, whether the power line is in reverse connection or not is detected according to the external interruption time, a detectionloop is simple, accurate, high in speed and low in cost, a main control panel of the outdoor unit is not powered on in the case of wrong line connection, and thus the possibility of board burning iseradicated.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Automatic magnetizing and demagnetizing equipment of magnetic workpieces

The invention discloses automatic magnetizing and demagnetizing equipment of magnetic workpieces. The equipment comprises a workpiece conveying device, a magnetizing and demagnetizing device and a workpiece processing device , wherein the workpiece conveying device is provided with a feeding station, a magnetizing and demagnetizing station and a discharging station along a conveying direction, andthe workpiece conveying device is also provided with a processing station positioned at an upstream position or a downstream position of the magnetizing and demagnetizing station; the magnetizing anddemagnetizing device is arranged at the magnetizing and demagnetizing station and includes a first permanent magnet and a second permanent magnet, and a workpiece placing space is formed between thefirst permanent magnet and the second permanent magnet; the workpiece processing device is arranged at the processing station; the workpiece conveying device bears a workpiece at the feeding station,and when a workpiece is conveyed to the magnetizing and demagnetizing station through the workpiece conveying device and enters the workpiece placing space, the workpiece is magnetized or demagnetized; and when the workpiece is conveyed to the processing station, the workpiece processing device processes the workpiece, and at the discharging station, the workpiece leaves the workpiece conveying device. According to the automatic magnetizing and demagnetizing equipment of the magnetic workpieces, the magnetic workpiece magnetizing and demagnetizing efficiency and the automatic processing efficiency of other procedures are greatly improved, and universality and accuracy are good.
Owner:茵诺麦格(杭州)自动化设备有限公司

Vehicle-mounted fresh-keeping and refrigerating container structure

The invention relates to the technical field of refrigerating containers, and discloses a vehicle-mounted fresh-keeping and refrigerating container structure. The vehicle-mounted fresh-keeping and refrigerating container structure comprises an outer container and an inner container, wherein a heat insulation layer is arranged between the outer container and the inner container; a cover is arranged at the opened end of the outer container; a heat conducting plate is arranged at a bottom plate of the inner container; a freezing chamber is formed between the heat conducting plate and the bottom part of the inner container; a flat cold storing tank is arranged in the freezing chamber; liquid carbon dioxide fills the cold storing tank; a cold storing pipe is connected with the inner container through an exhausting pipe; a vertical liquid storing pipe is arranged at the inner wall of the left side of the inner container; hydrargyrum is stored in the liquid storing pipe; a slide sleeve in which a piston capable of being lifted up and down is arranged is fixed to the lower end of the liquid storing pipe; a propping rod is fixed to the lower end of the piston; a mechanical valve on which a valve rod is mounted is arranged at a position, on the lower end of the slide sleeve, of the exhausting pipe; a returning spring is arranged at the lower end of the valve rod, and the upper end of the valve rod is propped to the slide sleeve; a pressure limiting valve is arranged on the cover. The vehicle-mounted fresh-keeping and refrigerating container structure is capable of automatically adjusting and keeping the inner container in a low-temperature environment without electricity consumption, so that the product storing time, such as the meat product storing time, can be prolonged.
Owner:WM MOTOR TECH GRP CO LTD

Zero-power consumption naturally-cooled outdoor cabinet

The present invention discloses a zero-power consumption naturally-cooled outdoor cabinet. The zero-power consumption naturally-cooled outdoor cabinet comprises a cabinet body, a front door assembly and a rear door assembly; the front door assembly is locked to the cabinet body through hinges; the rear door assembly is locked to the cabinet body by screws; the front door assembly includes a front door plate, a front frame and a flow guide assembly; the flow guide assembly includes a front sealing plate, a flow guide frame body and flow guide bodies; the bore diameter of the air inlet of each flow guide body is larger than the bore diameter of the air outlet of the flow guide body; according to an air natural compression and cooling principle, when natural wind enters the cabinet through the flow guide bodies, air is cooled due to pressure difference, and the temperature of the natural wind drops, so that cooling and heat dissipation effects can be achieved for the cabinet; and the flow guide bodies do not consume electricity, so that flow guide bodies have no power consumption, and therefore, not only can the cooling of the cabinet be realized, but also natural cooling can be achieved, and thus, energy can be save, and the zero-power consumption naturally-cooled outdoor cabinet are more energy efficient and environmentally friendly.
Owner:SHENZHEN TAIHE EAST TECH

Automatic type pure chlorine dioxide water body purifier capable of floating on water surface

The invention relates to an automatic type pure chlorine dioxide water body purifier capable of floating on water surface, in particular to purification equipment, which comprises a purifier main body, wherein the purifier main body is a sealed container made of metal or nonmetal and capable of floating on the water surface; inorganic salt containing chlorine and generation raw materials are placed into the sealed container; the sealed container is connected with water body to be processed through a conduit; a valve is arranged on the conduit to regulate the generation quantity of chlorine dioxide; the purifier floating on the water surface is connected with the water body to be processed when using; and the purifier automatically generates and continuously and uniformly releases pure chlorine dioxide and protective gas into the water body. The purifier is a real green environment-protection disinfection product, and has the advantages of automatic generation, no electricity requirement and good market prospects, is an generation-substituting product for disinfectants of stability chlorine dioxide, chlorine preparations and the like, can be widely applied to the antifouling purification and the algae harm prevention of large-sized water bodies of rivers, ponds, reservoirs and the like and can be used for purifying drinking water in water head sites.
Owner:范祥

Mechanical vacuum liquid level control valve

The invention discloses a mechanical vacuum liquid level control valve. The mechanical vacuum liquid level control valve comprises a fixing part, a valve body and a triggering part, wherein the fixingpart comprises a base used for fixing and installing and a guide pipe vertically arranged on the base, the valve body is arranged at the top end of the guide pipe, a working hole, a negative pressurehole and an emptying hole which communicate with one another are formed in the valve body, the working hole, the negative pressure hole and the emptying hole communicate with one another through a connecting cavity, a magnetic bead is movably arranged in the connecting cavity, the negative pressure hole is vertically formed, the emptying hole communicates with the interior of the guide pipe, thetriggering part comprises a triggering assembly and a floating assembly arranged at the bottom of the triggering assembly, the triggering assembly is movably arranged in the guiding pipe in the axialdirection of the guide pipe, the bottom end of the triggering assembly penetrates out of the base in a sliding mode, a magnetic block is arranged at the top end of the triggering assembly, and the magnetic block and the emptying hole are coaxially arranged. The mechanical vacuum liquid level control valve is simple and reasonable in structure, low in manufacturing cost, free of electricity, reliable in performance and long in service life.
Owner:HANGZHOU JUCHUAN ENVIRONMENTAL PROTECTION TECH CO LTD

Rapid drainage device and method for fuel pool

The invention discloses a rapid drainage device and method for a fuel pool. The rapid drainage device for the fuel pool comprises a drainage pipe, a drainage control valve, an air extractor and an air extraction pipe; the first end of the drainage pipe is used for stretching into the fuel pool; the drainage control valve is connected to the second end of the drainage pipe and controls on-off of the drainage pipe or adjusts the drainage flow of the drainage pipe; the air extraction pipe is connected between the second end of the drainage pipe and the air extractor; and the air extractor extracts air in the drainage pipe through the air extraction pipe, water in the fuel pool enters the drainage pipe, and inverted siphon is established. According to the rapid drainage device and method for the fuel pool, the air extractor extracts air in the drainage pipe to form inverted siphon, water in the fuel pool is drained through the siphon effect, rapid online water changing is achieved, air extraction does not need to be conducted beside the fuel pool, the risk that foreign matter is introduced into the fuel pool is avoided, the personnel falling risk and the operation risk in the fuel pool are avoided, and tests such as a PTR system flushing test, a cooling pump performance test and a purification test are smoothly conducted.
Owner:中广核工程有限公司 +2

Solar bathroom anti-freezing faucet based on water freezing volume expansion principle

The invention relates to the technical field of solar bathrooms, and discloses a solar bathroom anti-freezing faucet based on a water freezing volume expansion principle. The anti-freezing faucet comprises a faucet body, wherein a water outlet, a water flowing groove, a sliding groove, an extrusion bin and a ventilation groove are arranged in the faucet body, a solar panel is arranged at the upperportion of a wall body, a heating sheet is arranged at the lower side of an adjusting valve, the right end of an L-shaped rod is connected with an extrusion block, the right side of the interior of acontrol device is connected with a first metal sheet, and the first metal sheet is correspondingly provided with a second metal sheet. According to the anti-freezing faucet, the heating sheet is arranged under the position between the adjusting valve and the L-shaped rod, heat emitted by the heating sheet is transmitted to the lower end of the adjusting valve through a wire and then is further transmitted to the upper portion of the adjusting valve and the L-shaped rod, then it is guaranteed that after ice in the faucet body becomes an ice-water mixture, reset flowing can be conducted on theL-shaped rod, the structure enables the ice in the faucet body to be changed into the ice-water mixture, and the ice is not completely melted, so that the effect of low energy consumption is achieved.
Owner:杭州秦夜商贸有限公司

Building formwork connecting frame for civil engineering

The invention discloses a building formwork connecting frame for civil engineering, and relates to the technical field of civil engineering equipment. A fixing plate is suspended on the upper side ofa base, wherein the lower surfaces of the front side and the rear side of the fixing plate are fixedly connected with the upper end of a first internal threaded pipe in a supporting mechanism; an adjusting mechanism is arranged on the upper surface of the fixing plate; limiting plates are fixed to the front side and the rear side of a first sliding block on the front side and the rear side of theupper side of the adjusting mechanism; the limiting plates are fixed to the lower surface of a building formwork; the outer side of the building formwork is sleeved with graphite rings; and the outeredges of every two adjacent graphite rings are arranged in a contact mode. The building formwork is fixed to the first sliding block on the adjusting mechanism, the position of the building formwork can be adjusted through the adjusting mechanism, the adjusting mechanism is fixed to the fixing plate, the fixing plate is fixed to the first internal threaded pipe in the supporting mechanism, the height of the building formwork is adjusted through the supporting mechanism, and then the building formwork connecting frame is suitable for buildings with different storey heights. The building formwork connecting frame has the advantages of being reasonable in arrangement, low in manufacturing cost and the like.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER

Automatic alarm system for runaway of person under guardianship

InactiveCN106981181ALarge sensing surfaceImprove reliabilityAlarmsElectricityIdentification device
The invention discloses an automatic alarm system for runaway of a person under guardianship, and relates to an alarm device. At present, positioning tools such as a GPS (Global Positioning System) is placed on a person under guardianship in order to find the runaway person in time, and the positioning tools are high in power consumption and lose effectiveness when being out of power, thereby being poor in reliability. In addition, the measures are taken after an event, thereby wasting time and energy. The automatic alarm system comprises a monitoring chip arranged in a shoe, an induction device arranged at the gate, a receiving recognition device connected with the induction device and an alarm device, wherein the induction device comprises a ground induction coil arranged on the ground or underground, induction information is generated when the runaway person walks up to the induction coil, and the receiving recognition device receives the induction information, recognizes the induction information and alarms through the alarm device. According to the technical scheme, runaway can be prevented, an alarm can be given immediately when the person under guardianship approaches to the gate, and the person is avoided from walking out of the gate, so that the safety is effectively improved. Meanwhile, the burden of a person in charge is reduced, and the use is safe and reliable. The monitoring chip does not need to be powered, so that the operation reliability is improved, and the cost is low.
Owner:金佳珉
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