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Technique of controlling and cooling hot-rolled seamless tube online
ActiveCN101157096AControl cooling effectImprove cooling effectTemperature control deviceMetal rolling arrangementsRoom temperatureChain type
The invention provides a method for the on line controlled cooling process of a hot rolling seamless steel pipe, the method is realized by a controlled cooling system, and the method comprises the steps that a blower fan and a water pump are started up; the controlled cooling device starts working; the rolled temperature of the seamless steel pipe which is rolled by a three-roller slight tension sizing mill is between 950 DEG C and 980 DEG C, when the tail of the seamless steel pipe is not completely rolled out from the end of the mill housing of the sizing mill, the rotation of the seamless steel pipe can not happen; when the tail of the seamless steel pipe completely breaks away from the end of the mill housing, and is detected by a thermometal detector, meanwhile a changeable angle roller way declines on the horizontal plane according to a set angle, to lead the seamless steel pipe to go forward in spiral way along the rolling direction by the own axis till the whole seamless steel pipe passes through completely; the cooling speed of the process requirement can be achieved finally; subsequently the seamless steel pipe enters into a chain-type cooling bed to implement the air cooling to the room temperature. The invention has the advantages that the controlled cooling process controls the cooling speed of the hot rolling seamless steel pipe after the rolling through the air-mist cooling, to meet the purpose of improving the metallographic structure and the comprehensive mechanical property of the seamless steel pipe.
Owner:TIANJIN STEEL PIPE MFG CO LTD
Solar heating system combined with bedding apparatus
InactiveCN101476750AReduce heating energy consumptionReduce areaCentral heating with accumulated heatLighting and heating apparatusCollector deviceHeating system
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
Method and device for assisting supersonic vibration in laser cladding
PendingCN106917086AImprove organizationImprove performanceMetallic material coating processesLaser processingSupersonic waves
The invention relates to the technical field of laser processing, in particular to a method and a device for assisting supersonic vibration in laser cladding. The method comprises the following steps: a laser beam conducted by a laser cladding head is radiated to a cladding element along a vertical direction, meanwhile, the supersonic vibration indirectly acts in a laser molten pool along a horizontal direction, and a cladding layer is formed on the cladding element. The device comprises a base, a supersonic vibration system, a support and a supporting plate, wherein the supersonic vibration system comprises a supersonic wave generator, an energy converter and an amplitude-change pole used for enhancing a mechanical vibration amplitude; the supersonic wave generator is connected with the energy converter through a cable; the energy converter is fixedly connected with the amplitude-change pole. According to the method, an additionally adding energy field, i.e., supersonic vibration which is horizontally introduced, is used for improving the tissue and the performance of the laser cladding layer, and cooling water is introduced into a cooling water tank to lower heat transferred to the energy converter in a laser cladding process so as to improve the production efficiency of laser cladding processing. The device has the advantages of simple structure, convenience in operation, long service life and the like.
Owner:JIANGSU UNIV OF TECH
Automatic wheel hub cleaning device, automatic wheel hub cleaning system, and automatic wheel hub cleaning method
InactiveCN104084395AAutomate operationImprove work efficiencyFurnace typesCleaning using liquidsMechanical engineeringControl function
The invention discloses an automatic wheel hub cleaning device. The automatic wheel hub cleaning device comprises a trough body, a conveying device, a sensor, and a controller, wherein the trough body stores a cleaning solution used for cleaning a wheel hub; the conveying device is arranged above the trough body and used for supporting and conveying the wheel hub; the sensor is used for detecting whether the wheel hub is in place; the controller is used for the automatic switching between vertical ascending / descending and horizontal conveying of the conveying device relative to the trough body according to signals of the sensor, so that the wheel hub can enter or exit from the trough body, and horizontally move on the conveying device. The invention has the advantages that the conveying device, the sensor and the controller are arranged, the positioning function of the sensor and the control function of the controller are combined, and the conveying device achieves the switching between horizontal conveying and vertical ascending / descending through the controller, so that the wheel hub can automatically enter or exit from the trough body.
Owner:苏州久工自动化科技有限公司
Method and device for controlling heat radiation of air conditioner
ActiveCN104566798AControl cooling effectSolve the low heat dissipation efficiencyMechanical apparatusSpace heating and ventilation safety systemsRunning timeComputer engineering
The invention discloses a method and a device for controlling heat radiation of an air conditioner. The control method comprises the following steps of according to the collected first environment temperature of an air conditioner indoor unit, determining the setting temperature of a heating mode; controlling the air conditioner indoor unit to work in the heating mode, and recording the first running time of the second environment temperature of the air conditioner indoor unit reaching the setting temperature; after the second environment temperature of the air conditioner indoor unit reaches the setting temperature, spacing the first preset time period, and controlling the running of a first air shift of the air conditioner indoor unit; judging whether the third environment temperature of the air conditioner indoor unit is higher than the preset temperature or not in the second preset time period, recording the second running time of the first air shift; using the first running time and the second running time to control the heat radiating of the air conditioner indoor unit. The method solves the problem that when the air conditioner mounting position is higher, the heat radiating of the air conditioner is manually controlled, and the heat radiating efficiency is low. The method can realize the effect of controlling the heat radiating of the air conditioner.
Owner:GREE ELECTRIC APPLIANCES INC
Subzero treatment device
PendingCN107345729ASimple compositionReduce energy consumptionLighting and heating apparatusCooling fluid circulationAir volumeFresh air
The invention provides a subzero treatment device. The original fan design is replaced by adopting a liquid-gas ejector, the pressure of liquid nitrogen as a cooling medium is reduced, the speed is increased, partial vacuum is formed in the liquid-gas ejector, and fresh air is introduced so as to be uniformly mixed with the liquid nitrogen, so that partial gasification of the liquid nitrogen is realized, and a workpiece is preferably cooled after the air volume is increased; driving fluid in the ejector comes from low-temperature nitrogen in a box body of subzero equipment, and the cooling capacity of the driving fluid is recycled, so that the utilization rate of the cooling capacity can be further increased, and the problems of frosting and blockage are avoided.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Semiconductor liquid-cooling radiator
InactiveCN104851855APrevent moistureSimple structureSemiconductor/solid-state device detailsSolid-state devicesEngineeringSemiconductor
The invention relates to a semiconductor liquid-cooling radiator, which comprises a semiconductor refrigeration device and a liquid-cooling radiator, wherein a cold end of the semiconductor refrigeration device is arranged on a high-power electronic component, and is used for cooling the high-power electronic component; and a hot end of the semiconductor refrigeration device is connected with the liquid-cooling radiator, and is cooled through the liquid-cooling radiator. The semiconductor liquid-cooling radiator utilizes a semiconductor refrigeration technology for cooling the high-power electronic component, and cools the hot end of the semiconductor refrigeration device through the liquid-cooling radiator, so as to meet the cooling requirement of high-power electronic equipment.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Automatic dispersing device for carbon nano tube conductive slurry
ActiveCN106179711AIncrease the amount addedIncrease add speedMaterial resistanceGrain treatmentsElectrical resistance and conductanceFoaming agent
The invention discloses an automatic dispersing device for carbon nano tube conductive slurry. The automatic dispersing device comprises a ceramic grinding barrel; a controller with a timer therein is arranged on the bottom of the ceramic grinding barrel; a snakelike circulating water pipe is uniformly wound on the periphery of the side wall of the ceramic grinding barrel; the ceramic grinding barrel is filled with carbon nano tube conductive slurry, a liquid level sensor and a temperature sensor; a liquid outlet is formed in the bottom of a de-foaming agent storage tank; a solenoid valve and a flow sensor are arranged in the liquid outlet; a dispersing effect tester comprises an electrode a, an electrode b and a resistance meter; a distance between the electrode a and the electrode b is constant; and after being guided out through guide wires separately, the electrode a and the electrode b are connected to the resistance meter. The automatic dispersing machine can automatically add the de-foaming agent in a dispersing process, can give out a time node for dispersing and stirring the carbon nano tube slurry, and avoids excessive stirring.
Owner:WUXI DONGHENGNEWENERGYTECHNOLOGYCO LTD
Method for preventing generation of roll marks on hot rolled steel strips with medium and high content of carbon
ActiveCN109226258AControl the threading speedAvoid damageTemperature control deviceMetal rolling stand detailsStrip steelWater cooling
The invention belongs to the technical field of manufacturing of steel and discloses a method for preventing generation of roll marks of hot rolled steel strips with a medium and high content of carbon. The method comprises the steps of obtaining hot rolling final rolling temperature and values of the thickness and width of the steel strips after hot rolling; according to the hot rolling final rolling temperature and the values of the thickness and width of the steel strips after hot rolling, separately controlling closing or opening of each water cooling device in a finishing rolling unit alone and controlling the maximum strip passing speed of the steel strips in a rack of a seventh finishing rolling machine. By comprehensively controlling closing or opening of each water cooling devicein the finishing rolling unit, controlling the strip passing speed of the rack of the seventh finishing rolling machine and controlling the diameter of a working roller of the rack of the seventh finishing rolling machine, the generation of the roll marks on the steel strips can be effectively controlled.
Owner:湖南华菱涟源钢铁有限公司
Chip-style radiating module and radiating method thereof
InactiveCN1819162AControl input powerControl cooling effectSemiconductor/solid-state device detailsSolid-state devicesApplication softwareHeat sink
The invention is for use in cooling CPU in operation. It includes a metal cover plate, a first case, a thermoelectric cooler, a heat sink, a second case, a first fan and a second fan. With the metal cover plate the heat source from CPU is isolated, and then the thermoelectric cooler reduces temperature of CPU and conducts the heat to the heat sink. The first and second fans vent the heat out. The working power of thermoelectric cooler and switch of first and second fans are controlled by application software.
Owner:MACS TECH
Precious liquid transportation device capable of automatically adjusting refrigeration temperature for automobile transportation
InactiveCN112046380AControl manufacturing volumeControl cooling effectAir-treating devicesRefrigerated goods vehicleCool storageRefrigeration temperature
The invention relates to the technical field of automobile transportation, and discloses a precious liquid transportation device capable of automatically adjusting refrigeration temperature for automobile transportation. The precious liquid transportation device comprises a piezoelectric plate, wherein the left side and the right side of the piezoelectric plate are movably connected with extrusionplates, the left sides of the extrusion plates are movably connected with extrusion springs, the left sides of the extrusion springs are movably connected with transition plates, impact rods are movably connected to the left sides of the transition plates, a connecting circuit is movably connected to the bottom of the piezoelectric plate, a refrigerator is movably connected to the bottom of the connecting circuit, the impact rods are movably connected with an external packaging box, due to the fact that the automobile can continuously jolt in the driving process, therefore, the packaging boxcan continuously impact the impact rods to generate thrust on the impact rods, the piezoelectric plate is extruded to generate currents to drive the refrigerator to operate, the currents generated bythe piezoelectric plate of different bumping degrees of the automobile are different, the cooling effect is controlled, and the effect of automatically adjusting the refrigeration temperature in the transportation process is achieved.
Owner:赵仙菊
Battery temperature control method and device for new energy vehicle
ActiveCN112615080AMeet the needs of thermal managementControl cooling effectCell temperature controlThermodynamicsHeat management
The invention discloses a battery temperature control method and device for a new energy vehicle, belonging to the technical field of battery temperature control. The method comprises the following steps: acquiring a basic value of refrigerant flow of a battery cooler according to a water inlet temperature value of a battery and a cell temperature value of the battery; acquiring a correction value of the refrigerant flow of the battery cooler according to the superheat degree of the refrigerant outlet of the battery cooler; and acquiring a final value of the refrigerant flow of the battery cooler according to the basic value of the refrigerant flow and the correction valuere of the frigerant flow. According to the method, the refrigerant flow of the battery cooler is dynamically adjusted according to the water inlet temperature value of the battery, the cell temperature value of the battery and the superheat degree of the refrigerant outlet of the battery cooler so as to meet requirements on thermal management of the battery.
Owner:BAIC MOTOR CORP LTD
Heat abstractor
InactiveCN105552051AControl cooling effectPlay a cooling effectSemiconductor/solid-state device detailsSolid-state devicesPower componentMagnetic line
The invention relates to a heat abstractor, and belongs to the technical field of heat dissipation. The heat abstractor comprises a heat-conducting pipe, a cooling liquid and a power component, wherein the power component comprises a pipe body, a pair of electrode plates and a pair of magnets; one end of the pipe body is connected with one end of the heat-conducting pipe; the other end of the pipe body is connected with the other end of the heat-conducting pipe; the pipe body is communicated with the heat-conducting pipe to form a closed cavity; the cooling liquid is arranged in the cavity and is an electrolyte solution; the pair of electrode plates is arranged in the pipe body; the pair of magnets is arranged outside the pipe body; and when the pair of electrode plates is electrified, a magnetic line between the pair of magnets intersects a power line between the pair of electrode plates. According to the heat abstractor, the flow velocity of the electrolyte solution is adjusted by adjusting the current intensity between the pair of electrode plates, so that the role of controlling the heat dissipation effect of the heat abstractor is put into a play.
Owner:XIAOMI INC
Water-cooling temperature reducing device for welding
InactiveCN107262986AControl feed rateControl cooling effectDomestic cooling apparatusLighting and heating apparatusCooling effectEngineering
The invention discloses a water-cooling temperature reducing device for welding. The water-cooling temperature reducing device comprises a base, a plurality of supporting devices and a plurality of water-cooling devices are arranged on the base, wherein the supporting devices and the water-cooling devices are arranged alternately; each water-cooling device comprises a cooling water pipe, one end of each cooling water pipe is a water inlet, the other end of each cooling water pipe is a water outlet, the cooling water pipes are fixed on spiral supports, the spiral supports are mounted on the base, and can lift relative to the base, and the cooling devices are spirally wound on the outer side surfaces of a to-be-cooled steel pipe; and each supporting device comprises a supporting frame, the lower ends of the supporting frames are mounted on the base, and can move left and right along the base, the upper ends of the supporting frames are arranged to be inwards-sunken arc surfaces, and a plurality of balls are arranged on each arc surface. According to the water-cooling temperature reducing device for welding, the structural arrangement is reasonable, conveying of steel pipes is stable, and the cooling effect is good.
Owner:江苏久日数控机床有限公司
Multi-mode dustproof heat dissipation case
ActiveCN111240433AAvoid accumulationGuaranteed cleanlinessDigital processing power distributionTemperature controlEngineering
The invention relates to a multi-mode dustproof heat dissipation case which effectively solves the problem that dust prevention and heat dissipation of a case cannot be achieved at the same time. According to the technical scheme, the case comprises a box plate, two through holes are formed in the box plate, and fans are installed in the through holes; three layers of filter screens are fixed at the left side of the box plate; three baffles are arranged outside three layers of filter screens; a plurality of transverse outer guide rods and a plurality of transverse inner guide rods penetrate through the box plate, the outer guide rods can push the outer-layer filter screen to move, the inner guide rods can push the middle-layer filter screen to move, permanent magnets are fixed to the rightends of the outer guide rods and the right ends of the inner guide rods, and a plurality of outer electromagnets matched with the permanent magnets on the outer guide rods in a one-to-one mode are fixed to the box plate; a plurality of inner electromagnets in one-to-one fit with the permanent magnets on the inner guide rods are fixed on the box plate; and the outer electromagnets and the inner electromagnets are controlled by a temperature control system to be powered on and off. The case is small in size, low in weight and capable of automatically adjusting the dustproof effect according totemperature change.
Owner:金品计算机科技(天津)有限公司
Automatic defoaming agent adding device for dispersing conductive slurry of carbon nano-tube
ActiveCN106155149AIncrease the amount addedIncrease or decrease water flowSimultaneous control of multiple variablesAutomatic controlCarbon nanotube
The invention discloses an automatic defoaming agent adding device for dispersing conductive slurry of a carbon nano-tube. The device comprises a vertical grinding barrel, wherein a controller is arranged at the bottom of the vertical grinding barrel, and a timer is arranged in the controller; an S-shaped circulating water pipe uniformly winds the periphery of the side wall of the vertical grinding barrel; the vertical grinding barrel is filled with conductive slurry of a carbon nano-tube, a liquid level sensor and a temperature sensor; a defoaming agent storage tank is arranged above the vertical grinding barrel, and a liquid outlet directing to the inside of the vertical grinding barrel is formed in the bottom of the defoaming agent storage tank; an electromagnetic valve and a flow sensor are arranged on the liquid outlet; and the opening degree of the electromagnetic valve can be adjusted, and the flow sensor is used for detecting the flow rate of the defoaming agent flowing in the vertical grinding barrel. According to the device, the defoaming agent can be automatically added in the dispersing process, the adding amount of the defoaming agent can be automatically determined according to the liquid level and temperature of the conductive slurry of the carbon nano-tube, and heat generated in the dispersing process can be automatically controlled.
Owner:WUXI DONGHENGNEWENERGYTECHNOLOGYCO LTD
Self-adaptive oil cooling device and system of numerical control machine tool
PendingCN112589529ASolve the problem of not working for a long timeControl cooling effectMaintainance and safety accessoriesNumerical controlThermodynamics
The invention discloses a self-adaptive oil cooling device and system of a numerical control machine tool. The device comprises an oil cooler which is used for cooling a main shaft of the numerical control machine tool. The oil cooler comprises a first cavity which is used for containing oil, a first temperature sensor and a heating assembly, wherein the first temperature sensor is used for detecting a first working temperature of the oil cooler, and the heating assembly is located in the first cavity and used for heating the oil when the first working temperature is lower than a first threshold value so as to enable the oil cooler to work. With the self-adaptive oil cooling device and system of the numerical control machine tool, the problem that the oil cooler does not work for a long time when the environment temperature is low is solved, the oil cooler can adapt to environments at various temperatures, the refrigerating effect of the oil cooler is better controlled, the condensation phenomenon is effectively avoided, and the service life of the numerical control machine tool is prolonged.
Owner:NANTONG GUOSHENG INTELLIGENCE TECH GRP CO LTD
Multistage jacketed chlorinated paraffin reaction tower
InactiveCN103923701AControl cooling effectAdequate responsePetroleum chemical modificationBiochemical engineeringParaffin oils
The invention relates to a multistage jacketed chlorinated reaction tower, and belongs to the field of paraffin processing equipment. The multistage jacketed chlorinated paraffin reaction tower includes a cylindrical tower body and end covers arranged at both ends of the tower body; the tower body is provided with at least two ring jackets and, each jacket is provided with at least a circulating liquid outlet and at least one circulating liquid inlet. According to the multistage jacketed chlorinated paraffin reaction tower, the multistage jackets are externally arranged on the reaction tower, the cooling effectiveness of the multistage jackets can be controlled when in use, so that materials in each part of the reaction tower can be fully reacted, and the production efficiency is improved.
Owner:DALIAN LONSIN NEW MATERIALS
Sizing box for producing PC (poly carbonate) extrusion molding products
The invention discloses a sizing box for producing PC (poly carbonate) extrusion molding products. Cooling water rings are produced and fixed on a box body; a plurality of small holes are uniformly distributed in the peripheries of the cooling water rings, and are connected with a water distributor B through a steel wire flexible pipe; the cooling water rings can move back and forth in the box body, so that the cooling effect is controlled; the water distributor B is provided with a ball valve capable of controlling water feed quantity of the two cooling water rings; a liquidometer is fixed on the box body, and can control the liquid level of the box body up and down, so that immersion cooling or spraying cooling can be selected when different structural products are produced; a heater and a cooler are fixed in a water tank; the heater can heat up cooling water in the water tank, so that the best cooling effect is achieved, and meanwhile thermal stress of the products is removed; and the cooler plays the role of controlling the water temperature to be within the set range so as to achieve the balanced effect.
Owner:ZHANGJIAGANG BEIER MACHINERY
Calcium carbide cooling device and method
ActiveCN105571333AReduce cool down timeLow investment costConveyorsCalcium carbideForced convectionTransfer system
The invention relates to a calcium carbide cooling device and method. The calcium carbide cooling device comprises a calcium carbide cooling tower. A sand inlet is formed in the upper end of the calcium carbide cooling tower, and a sand outlet is formed in the lower end of the calcium carbide cooling tower. A cooling pan track is arranged in the calcium carbide cooling tower. A closed type cooling pan used for containing calcium carbide is placed on the cooling pan track. The sand inlet and the sand outlet of the calcium carbide cooling tower communicate with a sand transfer system, so that a sand transfer loop is formed. The cooling device adopts sand as a cooling medium. Mobility of the sand and gravity of the sand are utilized to form forced convection with the calcium carbide cooling pan, so that cooling is accelerated, and time for cooling consumption is effectively shortened. Investment cost of cooling equipment is reduced to a great extent. Occupied space is reduced. Operation safety stability and economy are improved. The problems that much time is consumed and occupied space is large in the traditional calcium carbide cooling process are solved. Meanwhile, sand circulation is completed by means of the sand transfer system, the speed of the sand transfer system is adjusted and the calcium carbide cooling effect can be effectively controlled.
Owner:XI AN JIAOTONG UNIV
Computer dustproof heat dissipation case
ActiveCN111367380AAvoid accumulationGuaranteed cleanlinessDispersed particle filtrationTransportation and packagingEngineeringPower apparatus
The invention relates to a computer dustproof heat dissipation case which effectively solves the problem that dust prevention and heat dissipation of a case cannot be achieved at the same time. According to the technical scheme, the computer dustproof heat dissipation case comprises a box plate, two through holes are formed in the box plate, and fans are installed in the through holes; three layers of filter screens are fixed on the left side of the box plate; a baffle is arranged on each layer of filter screen; brushes are arranged on the inner side surfaces of the third filter screen and thesecond filter screen; two power devices corresponding to the second filter screen and the third filter screen respectively are fixed on the box plate, and each power device is composed of a main piston cavity fixed on the box plate and a plurality of auxiliary piston cavities corresponding to the main piston cavity; the main piston cavity is communicated with the plurality of auxiliary piston cavities through pipelines; an auxiliary piston rod is arranged in the auxiliary piston cavity, penetrates through the box plate and is fixed with the second filter screen or the third filter screen; after the main piston cavity is compressed, the second filter screen or the third filter screen is pushed to move leftwards through the auxiliary piston rod in the auxiliary piston cavity, the size is small, the weight is light, and the dustproof effect can be automatically adjusted according to temperature changes.
Owner:深圳市金卡科技有限公司
Portable live shrimp transport device
The invention discloses a portable live shrimp transport device. An oxygen increasing mechanism and a refrigeration mechanism are arranged in a container and used for controlling the temperature and oxygen amount of water in the container respectively, an oxygen amount sensor detects the oxygen concentration in the transport container and transmits the oxygen concentration to a control box, the control box controls a regulating valve to be opened or closed, and correspondingly the oxygen amount generated by a contact reaction between hydrogen peroxide and manganese dioxide is limited, so thatshrimps are prevented from suffocating and dying due to lack of oxygen; at the same time, other side effects caused by too high oxygen concentration are avoided, so that the oxygen amount of the waterin the container is maintained within a set range; a temperature sensor detects the temperature of the water in the transport container and transmits the temperature to the control box, the control box controls the amount of current passing through semiconductor refrigeration sheets, and correspondingly a cooling effect of the semiconductor refrigeration sheets on the container can be controlled,so that the temperature of the water in the container is kept within a set range, and the survival rate of the live shrimps collected in a field during transport is increased. The device is used fortransporting the live shrimps.
Owner:FOSHAN UNIVERSITY
Long dropper forming die
Owner:玉环楚港模具科技有限公司
Heat insulation structure for generator end cover
ActiveCN224154059URealize detachable installationEasy to maintain laterCooling/ventillation arrangementSupports/enclosures/casings
The utility model relates to the technical field of generator heat insulation, and discloses a heat insulation structure for a generator end cover, which comprises an end cover body and a heat dissipation assembly which is detachably arranged on the end cover body, a plurality of heat dissipation grooves are arranged on the end cover body close to the outer edge in a penetrating manner and are annularly distributed relative to the end cover body; the end, close to the heat dissipation assembly, of the end cover body is fixedly provided with a connecting fence, the end, away from the heat dissipation assembly, of the connecting fence is provided with an air guide frame in an inserted mode, the frame, close to the connecting fence, of the air guide frame is designed in a beveling mode, and the connecting fence is provided with positioning bolts from top to bottom. According to the heat insulation structure for the generator end cover, when the air guide frame is installed, the insertion blocks are aligned with the insertion grooves of the connecting fences to be inserted until the air guide frame is completely embedded into the positioning grooves, the air guide frame can be conveniently, rapidly and accurately installed, the beveled frame design can guide airflow to smoothly pass through the heat dissipation grooves, and the heat dissipation efficiency of the end cover is improved; meanwhile, the insertion blocks are matched with the insertion grooves and the positioning grooves to prevent the air guide frame from shaking, and stable work of the air guide frame is guaranteed.
Owner:SHANGHAI SHUNCHAO HARDWARE MASCH MFG CO LTD
Load tester for standby generating set
InactiveCN106066455AStable resistanceConstant resistance in stable periodDynamo-electric machine testingElectrical resistance and conductanceGrating
The invention relates to the field of machinery and particularly relates to a load tester for a standby generating set. The load tester comprises a load box arranged on the base of the standby generating set. A resistance wire rack is placed flatwise in the load box and the resistance value of the resistance wire rack is 20-30% the power of the standby generating set. The load box is provided with a bottom plate and an air inlet is formed in the bottom plate. A fan is mounted at the air inlet, and the area of the air inlet is larger than the area of the fan. The wind generated by the fan blows to one side of the resistance wire rack with the surface area thereof to be largest and parallel to the fan. The motor of the fan is also mounted in the load box. Bar gratings are arranged on one side of the panel of the load box and the left and right sides of the load box respectively. The region of the bar gratings covers the resistance wire rack and is higher than the fan. According to the technical scheme of the invention, the no-load operation of the standby generating set during the testing process is avoided, and the running time thereof is prolonged. Meanwhile, the standby generating set is good in load radiating effect and stable in resistance value. the protection level reaches the IP 24-level and insulation level reaches the F-level. Moreover, the operation is simple and convenient and the manufacturing cost is low.
Owner:CHENGDU KECHUANG JIASI TECH
A hydraulic clutch cooling device
ActiveCN106438750BReduce flow rateImprove cleanlinessFluid actuated clutchesFluid-pressure actuator componentsLiquid temperatureAir filter
The invention discloses a hydraulic clutch cooling device which comprises a cooling oil recovery tank, a hydraulic power unit and an oil cooler, wherein the cooling oil recovery tank comprises a cooling oil recovery cover, a sealing ring, a cutoff ball valve, a cooling oil recovery cover base and an oil sump; the hydraulic power unit comprises a shock absorption bar, an oil tank, a valve block, a liquid level and liquid temperature meter, a butterfly valve, an alternating current motor, a coupler, a hydraulic pump, a flexible pipe, a one-way throttle valve, a cutoff ball valve, a flowmeter, a filter, a pressure gauge, a pressure measurement joint, an overflow valve, an air filter, a liquid level meter and a bell jar. With the adoption of the hydraulic clutch cooling device, complete recovery of cooling oil of a clutch can be realized. The hydraulic clutch cooling device has the advantages that an oil recovery device is arranged flexibly, the recovery efficiency and the cooling efficiency are high, and the oil filtration effect is good.
Owner:ZHEJIANG UNIV
Calcium carbide cooling device and method thereof
ActiveCN105571333BControl cooling effectLow investment costConveyorsCalcium carbideCooling towerTransfer system
Owner:XI AN JIAOTONG UNIV
Control method and device of refrigeration equipment, controller and refrigeration equipment
ActiveCN113803957AControl cooling effectGuaranteed cooling effectLighting and heating apparatusCooling fluid circulationControl engineeringSystem pressure
The invention relates to a control method and device of refrigeration equipment, a controller and the refrigeration equipment. After it is determined that a condensation fan has a stalling fault, a refrigeration fan and a compressor are maintained to operate for a period of time and then are sequentially closed, and therefore the situation that the temperature of a condenser is too high and the system pressure is too large can be avoided, and the refrigeration effect of the refrigeration equipment is maintained to the maximum degree. In addition, after the compressor is closed for a period of time, along with natural heat dissipation, after the temperature of the condenser is reduced to a reasonable range, the compressor is started again, and therefore the refrigeration process can be recovered again, and damage to stored objects is avoided.
Owner:GREE ELECTRIC APPLIANCES INC
A refrigeration equipment control system and control method
The invention discloses a refrigerating device control system which comprises a control device, a detecting device, a throttling expansion device and a load. The control device is connected with the load and in communication connection with the detecting device and used for receiving a detecting result of the detecting device and adjusting the load based on the detecting result. The detecting device is arranged in a work circuit of a refrigerating system and used for detecting the degree of superheat of an evaporator, is in communication connection with the control device and transmits the detecting result to the control device. The throttling expansion device is arranged between a condenser and the evaporator and comprises a rotor which is driven by a refrigerating agent and a stator coil arranged outside the rotor. When the rotor rotates, induced currents are generated in the stator coil. A rotation speed of the rotor is affected by variation of currents in the stator coil. The load is arranged at the induced current output end of the throttling expansion device and consumes the induced currents to operate. The involved load is adjusted by the control device so as to adjust the induced currents in the stator coil. The flow of the refrigerating agent is changed and the refrigerating effect of the refrigerating device is adjusted.
Owner:ENN SCI & TECH DEV
A cooling system for a combustion engine and a further object
InactiveCN109154227AControl cooling effectLiquid coolingCoolant flow controlCombustionInternal combustion engine
The present invention relates to a cooling system configured to cool a combustion engine (2) and at least one further object (18) in a vehicle (1). The cooling system comprises a main radiator (8), amain radiator bypass line (9) directing coolant past the main radiator (8), a first valve device (6) receiving coolant from a coolant line (5) and directing it to the main radiator line (7) and the main radiator bypass line (9), an auxiliary circuit (14) directing coolant to the further object (13, 28), a main radiator outlet line (7b) directing at least a part of the coolant leaving the main radiator (8) to the auxiliary circuit (14), and a second valve device (20) receiving coolant from the main radiator (11) and / or the main radiator bypass line (9) and directing it to the auxiliary circuit(14) and / or the engine inlet line (3). The auxiliary circuit (14) comprises an auxiliary radiator (15) and an auxiliary radiator bypass line (17) directing coolant past the auxiliary radiator (15) which are arranged in an upstream position of the further object (13, 28) in the auxiliary circuit (14) and a bypass valve (18) configured to control the coolant flow through the auxiliary radiator bypass line (17).
Owner:SCANIA CV AB