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57results about How to "Realize continuous heating" patented technology

Air conditioning system being able to achieve continuous heating

The invention provides an air conditioning system being able to achieve continuous heating; a compressor, a switching device, an outdoor heat exchanger, a throttle element and an indoor heat exchanger are sequentially connected in order to form a refrigeration loop; a heat accumulation device is cascaded between the first end of the throttle element and the switching device; the second end of the throttle element is communicated with the outdoor heat exchanger; the air conditioning system has a first heating mode and a second heating mode; under the first heating mode, the refrigerant discharged by the compressor sequentially enters the indoor heat exchanger, the throttle element, and the outdoor heat exchanger via the switching device; under the second heating mode, the refrigerant discharged by the compressor passes through the switching device, one path thereof enters the indoor heat exchanger, the other path enters the outdoor heat exchanger; the refrigerant flows out from the outdoor heat exchanger and the indoor heat exchanger enters an air suction end of the compressor via the heat accumulation device. The air conditioning system being able to achieve continuous heating enables the heat pump air conditioner to heat continuously while the air conditioner is working to heat; the flux of refrigerant flows into the indoor heat exchanger and the outdoor heat exchanger are easier to be distributed.
Owner:GREE ELECTRIC APPLIANCES INC

Multi-connected air conditioning system and defrosting control method thereof

The invention discloses a multi-connected air conditioning system and a defrosting control method thereof. The multi-connected air conditioning system comprises an indoor unit module and a plurality of outdoor unit modules connected in parallel, wherein each outdoor unit module comprises a compressor, a four-way valve, an outdoor heat exchanger, a first throttling element, a first control valve, a second control valve, a third control valve, a fourth control valve, and a fifth control valve; each first control valve is connected between the corresponding first throttling element and the indoor unit module; each second control valve is connected with the corresponding first throttling element; and each second control valve is connected to a first public pipeline; each third control valve is connected with a corresponding fourth control valve port; each third control valve is connected to a second public pipe; and the second public pipe is connected with the indoor unit module; each fourth control valve is connected with a second valve port and the first public pipe; each fifth control valve is connected with a first valve port and the second public pipe. According to the invention, continuous heating during defrosting is realized, and the indoor unit module does not stop, so that comfortability is improved.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1

High-temperature continuous nitrogen heater

The invention provides a high-temperature continuous nitrogen heater. The high-temperature continuous nitrogen heater comprises a cylinder, a water cooling positive electrode, a water cooling negative electrode and a heating element; the heating element is mounted on the axis of the cylinder, and one end thereof is connected with the water cooling positive electrode through a slide transfer piece; the water cooling positive electrode is connected with a power supply by penetrating out of a water cooling end surface flange tightly connected to one end of the cylinder; the other end of the heating element penetrates out of a graphite baffle plate at the other end of the closed cylinder; upper and lower two water cooling negative electrodes mounted on the heating element through an electrode transfer disc are connected with the power supply after penetrating out of through holes in the wall of the cylinder; the heating element is a sandwich layer structure consisting of a graphite straight pipe on the outer layer and a graphite straight pipe with a spiral fin on the outer pipe wall on the inner layer; a spiral channel is formed between the outer-layer pipe and the inner-layer pipe through the spiral fin; and a through hole is formed in the slide transfer piece connected to one end of the heating element. The high-temperature continuous nitrogen heater solves the difficulties of thermal expansion of the heating element and high-current electric conduction, and can realize continuous heating of nitrogen currents.
Owner:BEIJING AEROSPACE YISEN WIND TUNNEL ENG TECH

Cooking appliance and electric heating device for same

The invention discloses a cooking appliance and an electric heating device for the cooking appliance. The electric heating device comprises an interactive interface, a first inductor, an IGBT, a resonance coil, a first capacitor, a second capacitor, a third capacitor, a switching assembly and a control circuit. The first end of the first inductor is connected with a power source, the first end of the IGBT is grounded, the first end of the resonance coil is connected with the second end of the first inductor, the second end of the resonance coil is connected with the second end of the IGBT, the first end of the first capacitor is connected with the first end of the resonance coil, the second end of the first capacitor is grounded, the first end of the second capacitor is connected with the first end of the resonance coil, the first end of the third capacitor is grounded, the second end of the third capacitor is connected with the second end of the resonance coil, the first end of the switching assembly is connected with the second end of the second capacitor, the second end of the switching assembly is connected with the second end of the third capacitor, and the control circuit is used for controlling on-off of the IGBT and the switching assembly according to user instructions, so that by changing resonance parameters of a resonance circuit, the power range of continuous heating is expanded, and user cooking experience is improved.
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD +1

Air source heat pump unit capable of realizing continuous heat supply

The invention relates to an air source heat pump unit capable of realizing continuous heat supply. The air source heat pump unit comprises a compressor unit, an indoor water heat exchange unit, a quasi-second-stage compression unit, an outdoor air heat exchange unit and a defrosting branch unit. According to the air source heat pump unit disclosed by the invention, the new technical scheme of quasi-second-stage compression, water-side double-stage heat exchange, and multi-branch heat taking and alternating defrosting, of an air source heat pump under the working condition of low environment temperature is adopted, firstly, a compressor is additionally provided with an air supplementing port, and a middle plate heat exchanger is additionally arranged in a system, so as to form heat pump circulation with the quasi-second-stage compression; secondly, double-stage heat exchange is adopted for the indoor water heat exchange unit, and two stages of heat exchangers are arranged, so as to furthest increase the temperature of circulating water, and the temperatures of supply and return water; and finally, an outdoor air heat exchanger of the air source heat pump is configured to be at leasttwo branched heat taking and defrosting systems capable of independently running, and defrosting operation is carried out on a fluorine-air heat exchange mechanism in each branch in an alternating manner one by one, so that alternating accurate defrosting and continuous heat supply are realized.
Owner:卡林热泵技术有限公司

Solar-powered efficient moisture absorption-thermochemical reaction heat pump system

InactiveCN104089431AImprove cycle moisture absorptionImprove energy flowMechanical apparatusClimate change adaptationCyclic processMoisture absorption
The invention relates to a solar-powered efficient moisture absorption-thermochemical reaction heat pump system. The solar-powered efficient moisture absorption-thermochemical reaction heat pump system comprises a solar heat collector (1), a hot water tank (7), an absorption-thermochemistry heat pump set (37), an evaporator (55), a heat supply tank (61) and a heating pipe (65). The absorption-thermochemistry heat pump set comprises a left absorption bed (30), a left condenser (32), a left evaporator (35), a right absorption bed (31), a right condenser (34) and a right evaporator (36). A circulation process comprises the steps of absorption of moisture absorption salt, crystalalization of the moisture absorption salt and a thermochemical reaction. Compared with the prior art, the solar-powered efficient moisture absorption-thermochemical reaction heat pump system can realize continuous heat supply and built-in type energy storage, heat supply is conducted only when needed, and built-in type energy storage and heat supply can be realized without additionally arranging an external auxiliary energy storage device; in the energy storage process, the working medium salt and refrigerant are mutually isolated, and loss is barely caused.
Owner:SHANGHAI JIAO TONG UNIV

Electric vehicle air conditioning system, electric vehicle and control method for electric vehicle air conditioning system

The invention provides an electric automobile air conditioning system which comprises a compressor, a four-way valve, an extra-automobile heat exchanger, a first intra-automobile heat exchanger, a second intra-automobile heat exchanger, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, a first control valve and a second control valve. When the extra-automobile heat exchanger needs to be used for defrosting, a first end opening of the four-way valve communicates with a fourth end opening, a second end opening communicates with a third end opening, and a second branch communicates with the first pipeline and the second pipeline; and the first control valve controls the third pipeline to be connected, the second control valve controls the fourth pipeline to be connected, and a first branch is disconnected from the first pipeline and the second pipeline. The invention further provides an electric automobile and a control method of the electric automobile air conditioning system. By the adoption of the electric automobile air conditioning system, the electric automobile and the control method of the electric automobile air conditioning system, continuous heating in the automobile can be achieved in the defrosting process of the extra-automobile heat exchanger, and the comfort in the automobile is guaranteed.
Owner:GREE ELECTRIC APPLIANCES INC

Air source heat pump unit in continuous heat supplying

PendingCN108387033AIncreased operational stability and energy efficiencyWide range of applicationsMechanical apparatusHeat pumpsEngineeringAir source heat pumps
The invention relates to an air source heat pump unit in continuous heat supplying. The air source heat pump unit in continuous heat supplying comprises a compressor unit, an indoor water heat exchanging unit, a quasi-second level compression unit, an outdoor air heat exchanging unit and a defrosting branch circuit unit; due to the comprehensive technical scheme with quasi-second level compressioncombined with the temporal and spatial segmentation principle, on one hand, a compressor is additionally provided with a gas supplementing port, and a middle plate type heat exchanger is additionallyarranged in the system so that a quasi-second level compression heat pump cycle can be formed; and on the other hand, an air source heat pump outdoor air heat exchanger is arranged into at least twobranch circuit heat taking and defrosting systems capable of independently running, a fluorine-air heat exchanging mechanism in each branch circuit is subjected to defrosting operation in turns one byone, and therefore in-turn accurate defrosting and continuous heat supplying are achieved.
Owner:卡林热泵技术有限公司

Itinerant recovery system and method for sensible heat of discharged liquid calcium carbide

The invention provides an itinerant recovery system and method for sensible heat of discharged liquid calcium carbide. The system comprises a calcium carbide furnace, a launder and a calcium carbide pot; and one end of the launder is connected with a liquid outlet of the calcium carbide furnace, and the other end of the launder extends to the position above the calcium carbide pot. A fan housing is arranged over the calcium carbide pot; the upper end of the fan housing is connected with an inlet of an air hose; an outlet of the air hose is connected with heat using equipment; and the heat using equipment is connected with a draft fan. The air hose is provided with a recovery valve. According to the itinerant recovery system and method for the sensible heat of the discharged liquid calcium carbide, heat exchange is conducted with the flowing calcium carbide through induced air, heat of liquid calcium carbide flow is absorbed, and other substances are heated through the induced air with the temperature raised. By means of the system and method, the sensible heat, with the temperature being 1000 DEG C or above, of the calcium carbide can be recovered without changing the existing production process, or increasing the number of calcium carbide pots, or increasing the plant area or increasing production equipment or devices, and the recovered heat accounts for approximately 50% of the whole sensible heat of the calcium carbide, so that significant energy conservation and emission reduction are achieved. Compared with natural cooling, by means of system and method, cooling time of the calcium carbide is greatly shortened, and calcium carbide production efficiency is improved.
Owner:北京天蓝华兴能源科技有限公司

Fluid compensation type air conditioning system, control method, computer equipment and terminal

The invention belongs to the technical field of air conditioners, and discloses a fluid compensation type air conditioning system, a control method, computer equipment and a terminal. Under a heating mode, a high-temperature refrigerant discharged from a compressor enters an evaporator to exchange heat, and flows into a flow distributor through a throttling device; at an initial moment, a B-direction channel of the flow distributor is closed, so that all refrigerant flows out from a C-direction channel, enters from the lower end of a micro-channel heat exchanger to reversely circulate in an S-shaped mode, and flows out from the upper end of the heat exchanger; a pressure measuring meter and a temperature measuring meter are arranged at the outlet to detect pressure and temperature at the outlet every 30s; and a saturated temperature value Tpn is calculated according to a measured saturated pressure value Pn, and a test value Tn is compared with the calculated value Tpn. Heating performance under the heating mode of the micro-channel heat exchanger can be improved, so that the problem that a micro-channel is liable to frost is solved, continuous heating is realized, heating comfort is improved, and a frosting condition of the air conditioner is effectively improved.
Owner:GREE ELECTRIC APPLIANCES INC

Low-temperature continuous heating oil return system, oil return control method and air conditioning equipment

The invention discloses a low-temperature continuous heating oil return system, an oil return control method and air conditioning equipment. The system comprises an oil return pipeline, an oil returncapillary and an oil return electromagnetic valve, wherein the oil return pipeline is arranged between an air suction port of a compressor and an electric heating component; the oil return capillary and the oil return electromagnetic valve are arranged on the oil return pipeline, one end of the oil return capillary is connected with the bottom of the electric heating component, and the other end of the oil return capillary is connected with one end of the oil return electromagnetic valve; and the other end of the oil return electromagnetic valve is connected with the air suction port of the compressor. According to the low-temperature continuous heating oil return system, the oil return control method and the air conditioning equipment, the oil return pipeline is arranged between the air suction port of the compressor of the air conditioning equipment and the electric heating component, and the oil return capillary and the oil return electromagnetic valve are also arranged, so that lubricating oil in the electric heating component flows back to the air suction port of the compressor through the oil return pipeline. Therefore, the problem of oil storage in the electric heating component is solved, the operation reliability of a unit is ensured, the low-temperature heating capacity of the unit is improved, continuous heating in a low-temperature environment is realized, the indoor environment temperature is more stable, and the use comfort of users is ensured.
Owner:GREE ELECTRIC APPLIANCES INC

Phase change vacuum electric heating furnace

The invention discloses a phase change vacuum electric heating furnace which comprises a furnace body, a liquid injection tube, a first exhaust tube, a second exhaust tube, a liquid guide tube, an expansion water tank, a heating coil, an electric heater, a pressure sensor, a first liquid level sensor, a second liquid level sensor and a controller; the expansion water tank has the action of overflowing excess water and also supplies micro-positive pressure for the interior of the furnace body to ensure the quantity of non-condensable gas to be zero; a liquid level control valve controls a liquid level in the furnace body; a gas release valve exhausts the non-condensable gas; a liquid injection valve injects water into the furnace body; the electric heater heats liquid at the lower part in the heating furnace body to enable the liquid to evaporate; evaporated liquid condenses into liquid to fall back into the liquid at the lower part in the heating furnace body again after heating the heating coil at the upper part in the furnace body; and the controller is connected with the electric heater, the pressure sensor, the first liquid level sensor, the second liquid level sensor, the liquid injection valve, the gas release valve and the liquid level control valve and controls the electric heater, the pressure sensor, the first liquid level sensor, the second liquid level sensor, the liquid injection valve, the gas release valve and the liquid level control valve to act. The phase change vacuum electric heating furnace is simple and reliable in structure, liable to operate, convenient to maintain, long in service life, high in efficiency and wide in application range.
Owner:ANBANG ELECTRICAL GRP

Straw bundling semi-gasification combustion boiler

ActiveCN106196176ATake advantage ofRealize bundling and semi-gasification combustion heatingChemical industryStove/ranges for heating waterCombustion chamberCombustor
The invention discloses a straw bundling semi-gasification combustion boiler mainly comprising semi-gasification combustion chambers, a gas mixing device and a heat source combustor; the semi-gasification combustion chambers are double combustion chambers, and vent holes are respectively formed in the bottom and middle of the semi-gasification combustion chambers; the gas mixing device is of a sleeve-shaped structure and is provided with a smoke channel at the outer ring and an air channel at the inner ring; the heat source combustor comprises a feeding device and a porous slot-type fire grate, and a cavity at the upper part of the porous slot-type fire grate is a fire bed; an inlet is formed at the rear end of the gas mixing device, the smoke channel at the outer ring communicates with a smoke vent of the semi-gasification combustion chambers, and the air channel at the inner ring is connected with a draught fan; and the front end of the gas mixing device is a smoke and air mixing end corresponding to the position of the fire bed located on the heat source combustor. The structure is an innovation in the field of direct straw bundling gasification combustion, is clean, environmental-friendly, sufficient in combustion, high in heat utilization efficiency, capable of realizing standardized discharge and low in cost and is a breakthrough in the field of boiler heating for village and township enterprises and public institutions.
Owner:LIAONING HEBAIYI BIOMASS TECH DEV

Power choking coil and electromagnetic induction heater adopting same

The invention relates to a power choking coil, which comprises an annular magnetizer and a coil winding encircled on the annular magnetizer, wherein the outer surface of the annular magnetizer (1) is coated with an insulating layer. The power choking coil is characterized in that the coil winding is formed by twisting more than three strands of enamelled wires. An electromagnetic induction heater provided by the invention comprises a coil panel and a resonance capacitance in parallel, and is characterized in that the power choking coil is serially connected between the coil panel and the resonance capacitance, and switching devices are respectively connected onto the two ends of the power choking coil. Compared with the prior art, the invention has the following beneficial effects that: since the electromagnetic induction heater is additionally provided with the power choking coil on the front end of the coil panel, when low-power heating is required, the power chocking coil is connected into the circuit through the switching devices, the existing resonance state is changed, zero-voltage switch of an IGBT (Insulated Gate Bipolar Transistor) is realized, the heat loss of the IGBT is small, and the system is safe, therefore, not only is the low-power continuous heating realized, but also the heating effect of the electromagnetic induction heater is better.
Owner:MIDEA GRP CO LTD

A fully automatic device for heating nut blanks

The invention discloses a full-automatic device for nut blank heating. The full-automatic device comprises a vertical lifting system, a material conveying system, a material rotating heating system and a heated blank transmission separation system that are arranged sequentially; after being lifted by the vertical lifting system, blanks are sent into a bearing guide rail of the material conveying system, then are conveyed to a material receiving plate of the material rotating heating system by a feeding plate of the material conveying system; the irregular blanks return to a stock bin through a material receiving disc of the vertical lifting system, and the regular blanks are sent to a material rotating plate of the material rotating heating system, and are pushed into a heating coil to be heated uniformly; the blanks coming out after heating are subjected to temperature detection separation; and the blanks having qualified temperatures enter a forming process. Compared with the prior art, the full-automatic device has the positive effects that with the adoption of the full-automatic device, the product heating continuity is guaranteed, the product temperature stability is ensured, the product quality is improved, the labor intensity is reduced, and the working efficiency is improved to a great extent.
Owner:CHINA RAILWAY LONGCHANG MATERIALS

High temperature continuous nitrogen heater

The invention provides a high-temperature continuous nitrogen heater. The high-temperature continuous nitrogen heater comprises a cylinder, a water cooling positive electrode, a water cooling negative electrode and a heating element; the heating element is mounted on the axis of the cylinder, and one end thereof is connected with the water cooling positive electrode through a slide transfer piece; the water cooling positive electrode is connected with a power supply by penetrating out of a water cooling end surface flange tightly connected to one end of the cylinder; the other end of the heating element penetrates out of a graphite baffle plate at the other end of the closed cylinder; upper and lower two water cooling negative electrodes mounted on the heating element through an electrode transfer disc are connected with the power supply after penetrating out of through holes in the wall of the cylinder; the heating element is a sandwich layer structure consisting of a graphite straight pipe on the outer layer and a graphite straight pipe with a spiral fin on the outer pipe wall on the inner layer; a spiral channel is formed between the outer-layer pipe and the inner-layer pipe through the spiral fin; and a through hole is formed in the slide transfer piece connected to one end of the heating element. The high-temperature continuous nitrogen heater solves the difficulties of thermal expansion of the heating element and high-current electric conduction, and can realize continuous heating of nitrogen currents.
Owner:BEIJING AEROSPACE YISEN WIND TUNNEL ENG TECH
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