237results about How to "Effective heating" patented technology

The invention provides a battery heating control system for vehicles and a control method thereof. The battery heating control system comprises a heating control module and a battery heating unit; the heating control module is electrically connected with the battery heating unit; the battery heating unit is used for heating a battery; the heating control module is used for starting the heating ofthe battery by the battery heating unit when the condition of heating starting is met and stopping the heating of the battery by the battery heating unit when the condition of heating stop is met, wherein the starting of the battery heating unit meets the following conditions simultaneously that: the ambient temperature K ambient of the system reaches a temperature set value K1; the battery temperature K battery reaches a temperature set value K2; and the battery state of charge (SOC) reaches a set value SOC1 of the battery SOC. The battery heating control system for the vehicles and the control method can better protect the battery.

The invention relates to a thermodynamic system for improving heat supply unit electric output adjusting capacity. The thermodynamic system is characterized in that main steam or reheating section steam is subject to temperature and pressure reduction to directly serve as heat source steam for industrial heat users; an absorption heat pump 23 of a first-stage heat exchange device serves as a heatsource of a first-stage heat exchange station 25 in the heating period to supply heat to heat users 29 and supplies cold to the users in the non-heat supply period; a high-pressure electric boiler 24of a second-stage heat exchange device improves the boiler water feeding temperature, reduces heat absorbed by boiler fed water in an economizer 4, accordingly improves the boiler tail smoke discharging temperature, and guarantees normal running of an SCR denitration device 5; and according to a three-stage heat exchange device, exhaust steam of a turbine intermediate pressure cylinder 8 serves asheat source steam of a third-stage heat exchange station 27, the unit heat load is guaranteed, and the heat using requirement of the heat users 29 is met. The electric output adjusting capacity of the heat supply unit can be improved, it is guaranteed that the unit heat supply capacity is not decreased under the low load running working conditions, pyroelectric decoupling is achieved, and the electric output adjusting capacity of the heat supply unit is improved.

The heating apparatus allows an outlet of a heating nozzle to get opposed to an electronic component during detachment of the electronic component from a printed wiring board. Hot air blown out of the outlet of the heating nozzle is utilized to heat the electronic component. Electrically-conductive terminals thus melt between the electronic component and the printed wiring board. An air discharge nozzle is located in the vicinity of the heating nozzle. The air discharge nozzle serve to generate airflow at a location distanced from the heating nozzle. The airflow serves to suppress rise in the temperature in the vicinity of the electronic component. Other electronic component in the vicinity of the electronic component is reliably prevented from rise in temperature. The other electronic component is thus prevented from destruction.

A sort of electric cooker, includes a main body(2) which accommodate the up-and-down nonmetallic pot(1) freely, and a cover component which is used to switch the main body and the nonmetallic pot, heaters(4b1,4b2) which generate heat by electromagnetic influence was set on the nonmetallic pot's surface or inner surface or inside and the heaters(4b1,4b2) is activated using the electromagnetic influence of calefaction loops(4a1,4a2) next to the main body(2),and a heat-resistant board is provided between the nonmetallic pot(1) and the heating loop(4a2),which is used to separate the heat from the nonmetallic pot(1) with the heater(4b1,4b2) to protect the heating loop(4a2) and use the reflection of the energy to reheat the nonmetallic pot(1). This character combined with the character that it is easy to obturate the heat helps to achieve the goal corresponding to this invention that makes meals with symmetrical and sufficient heating.

The invention provides a combined circulating energy supplying system, and belongs to the technical field of heat energy utilization and heat pumps. An air-steam forward circulating system is constituted by an air compressor, a boiler, an air turbine, a steam turbine, a waste heat boiler, a circulating pump and a heat exchanger, a compressed backward circulating system is constituted by a compressor , a second condenser, an evaporator, a low-temperature throttling valve, a second low-temperature throttling valve and a low-temperature heat exchanger, and an absorption type backward circulating system is constituted by an absorber, a generator, a condenser, the evaporator, a throttling valve, a solution pump and a solution heat exchanger; the air-steam forward circulating system provides power for the compressed backward circulating system and provides driving heat load for the absorption type backward circulating system, the compressed backward circulating system obtains low temperature heat load and respectively provides heat for the outside through the second condenser and the absorption type backward circulating system through the evaporator, and the absorption type backward circulating system provides the heat for the outside through the absorber and the condenser, so that the combined circulating energy supplying system is formed.

The invention provides a heat pump type hot water supply apparatus, comprising a cascade circulation unit, comprising: a cascade circulation heat exchanger making a first coolant of a low temperature refrigeration circulation perform heat exchange with a second coolant of a high temperature refrigeration circulation, the water coolant heat exchanger heating water during condensation of the secondcoolant of the high temperature refrigeration circulation is connected with a position requiring heat supply and a water circulating path. The heat pump type hot water supply apparatus comprises a coolant injection path and a gaseous coolant adjustment valve. The coolant injection path may be split between a cascade heat exchanger and an evaporator of a low temperature refrigeration cycle to inject coolant into a low pressure side compressor, or between a water coolant heat exchanger and a cascade heat exchanger to inject coolant into a high pressure side compressor of a high temperature refrigeration cycle. The gaseous coolant adjustment valve may be provided in the coolant injection path and is adjusted to correspond to a load of a destination. Via the above structure, high temperature water can be effectively supplied to places requiring hot water supply, reduction of heating efficiency due to outdoor low temperature in cold zones can also be effectively prevented.

The invention relates to a CO2 heat pump system with heating/cooling balance and a realization method thereof, belonging to the filed of heat conversion and utilization. The system comprises a CO2 compressor with a heating/cooling energy balancing loop formed by connecting pipelines, a hot water heat exchanger, an expansion device, a cryogen distributor, an air heat exchanger, a cold water heat exchanger, a control system and a temperature sensor, wherein the cold water heat exchanger is connected in parallel with the air heat exchanger in the loop; and the control system is respectively connected with the temperature sensor and the cryogen distributor. The method comprises the following steps of: setting a permissible temperature range of the outlet temperature of water side of the cold water heat exchanger in advance; during the heat pump system working, detecting the outlet temperature of the water side of the cold water heat exchanger by the control system in real time; and controlling the flow direction and the flow rate of the cryogen according to the detected temperature and the preset permissible temperature range. The heat pump system can effectively balance the heating/cooing amount.

The invention provides a method and a device for controlling the heating of a battery. The method comprises the following steps of: when the starting heating condition is met, starting heating the battery; and when the stopping heating condition is met, stopping heating the battery, wherein the stopping heating condition is one of the following conditions that: the state of charge (SOC) of the battery is no smaller than an SOC set value and the discharge current of the battery reaches the rated current of the battery or heating time reaches first maximum heating time; and the SOC of the battery is smaller than the SOC set value and time for keeping the discharge current of the battery unchanged reaches set time or the discharge current is reduced or the heating time reaches second maximumheating time. The stopping heating condition is improved; and compared with the mode of stopping heating by single temperature judgment in the prior art, the method and the device provided by the invention have more diversified considered factors, better meet the requirement of the battery in different states of charge, cannot damage the battery and prolong the service life of the battery.

The invention relates to a heating processing technology of a wear-resistant cutting board, in which a shaped wear-resistant cutting board workpiece is preheated, heated under high temperature, and then is subjected to high-strength quenching and tempering. The technology comprises the following steps: A. preheating: the preheating temperature is 450-550 DEG C, and the preheating time is 0.5-1.125min/mm; B. high temperature heating: the temperature is 870-890 DEG C, and the holding time is 0.5-1.125min/mm; C. high-strength quenching: whole spray water time of high-strength quenching is 70-700 seconds, and time in intensified spray is 15-20 seconds; D. tempering: low temperature tempering is carried out, followed by air cooling to room temperature; high pressure cooling water used in the invention is recyclable. The invention has the advantages of making full use of reasonable heating processing technology under the premise of ensuring fine property of the wear-resistant cutting board, improving production efficiency and saving energy consumption, thus lowering production cost of the wear-resistant cutting board.

The invention provides a combined circulating energy supply system and belongs to the technical field of heat energy utilization and heat pumps. An air turbine device forward circulating system is formed by an air compressor, a boiler and an air turbine mechanism. A compressing type reverse circulating system is formed by a compressor, a second compressor, a second condenser, an evaporator, a low-temperature throttling valve, a second low-temperature throttling valve and a low-temperature heat exchanger. An absorbing type reverse circulating system is formed by an absorber, a generator, a condenser, the evaporator, a throttling valve, a solution pump and a solution heat exchanger. Air turbine device forward circulation supplies power to compressing type reverse circulation, and supplies driving heat loads to absorbing type reverse circulation. Compressing type reverse circulation obtains low-temperature heat loads, supplies heat outwards through the second condenser and supplies heat to absorbing type reverse circulation through the evaporator. Absorbing type reverse circulation supplies heat outwards through the absorber and the condenser, and the combined circulating energy supply system is formed.

The invention provides a thermally-insulated packaging mid-infrared-emitting panel (TIMEP for short) for heating and physiotherapy and a preparation method thereof. The mid-infrared-emitting panel comprises a top surface covering layer, a first gas thermal insulation layer, a first mid-infrared transmitting plastic thermal insulation layer, a second gas thermal insulation layer, a second mid-infrared transmitting plastic thermal insulation layer, a third gas thermal insulation layer, a first electric insulation layer, an electric-to-mid-infrared emission film layer, a second electric insulation layer and a bottom surface covering layer which are sequentially arranged in a laminated mode, wherein the mid-infrared transmissivity of the top surface covering layer and the thermal insulation layer is greater than or equal to 90%, the bottom surface covering layer is thermally insulated, and the mid-infrared emissivity is less than or equal to 10%; and the material of the electric-to-mid-infrared emission film layer comprises a low-cost coal-based nano carbon plastic compound. The innovativeness of the TIMEP is derived from unusual combination of the quantifiable attributes, the defect of high energy consumption of hot air convection heating is overcome through high thermal insulation, electricity can be efficiently transmitted to a user by converting to mid-infrared rays, and comfortable warm feeling and mid-infrared physiotherapy effect are provided for the user.

The invention provides an air conditioning system and a control method thereof, and relates to the air conditioning technology field. The air conditioning system and the control method thereof solve the technical problem that a part of gaseous refrigerant is mixed in refrigerant after being throttled by an existing air conditioning system, and therefore heat exchange effect of an indoor heat exchanger is influenced. The air conditioning system comprises a compressor, a condenser, a throttling device, a switching device, an evaporator and a flash evaporator, wherein the compressor is provided with a plurality of air cylinders, the evaporator is composed of a plurality of heat exchangers, the flash evaporator comprises a first flash evaporator and a second flash evaporator which are connected in parallel, the compressor, the condenser, the throttling device, the second flash evaporator and the evaporator can form a refrigeration or dehumidification circuit, the compressor and he evaporator can form a heating circuit, and temperature and humidity independent control is realized by changing flow paths of the refrigerant discharged from the compressor and the condenser through the switching device. The flash evaporator collects and separates the gaseous refrigerant in the refrigerant after being throttled, avoids the situation that the gaseous refrigerant enters the heat exchangersand then influences heat exchange efficiency of the heat exchangers, and reduces power consumption of the compressor, thereby improving the energy efficiency level of the compressor.

The invention provides a method and a device for controlling battery heating. The method comprises the following steps of: starting heating a battery when a condition of starting heating is met; and stopping heating the battery when a condition of stopping heating is met. The condition of stopping heating is one of the following conditions: the temperature of the battery reaches the temperature of stopping heating; the time of keeping a discharge current of the battery invariable reaches a set time length or the discharge current is reduced; and the heating time reaches the maximum heating time. The method and the device improve the condition of stopping heating. Compared with the single temperature-judging way for stopping heating in the prior art, the method has the advantage of controlling the battery heating according to various factors. Various factors such as temperature, discharge current and heating time are considered respectively, so that the method and the device can meet the requirements of the battery in actual environments, cannot damage the battery and can prolong the service life of the battery.

The invention relates to a variable-temperature variable-pressure curing device for a well cementing slurry test mold. The variable-temperature variable-pressure curing device comprises a curing box, a temperature-control circulating system and a pressurizing system. The curing box is mounted on the ground through a supporting seat, and a test mold support is arranged at the inner bottom of the curing box. A temperature-control circulating bath cover is arranged outside the side walls of the curing box in a wrapping mode. A sealed cavity is formed between the temperature-control circulating bath cover and the side walls of the curing box. The temperature-control circulating bath cover is provided with a water inlet and a water outlet, and the water inlet and the water outlet communicate with the cavity and are connected with the temperature-control circulating system through pipelines correspondingly. An air inlet is formed in the top of the curing box and connected with the pressurizing system through a pipeline. The variable-temperature variable-pressure curing device has the advantages of being simple in structure, convenient to use and operate, low in production cost, capable of fully simulating the actual underground temperature, and capable of fully simulating the actual underground pressure condition by pressurizing the interior of the curing box through nitrogen, and enabling the cement slurry curing environment to approximate to the actual environment so that test mold performance measuring results can be more accurate.

The invention discloses a ventilation heating system for tunnels in high-altitude and cold regions as well as a ventilation heating construction method. The ventilation heating system comprises an axial-flow ventilator, an air pipe and a ventilation heating pipe for heating cold air introduced into a tunnel, wherein the ventilation heating pipe is mounted on the air pipe and comprises a round heating pipe, an air outlet and an air inlet; the round heating pipe comprises an outer steel pipe, an inner steel pipe and a ventilation heating device mounted in the inner steel pipe. The ventilation heating construction method comprises the following steps: 1, mounting the axial-flow ventilator; 2, excavating the tunnel and performing ventilation heating construction; adopting the axial-flow ventilator for press-in ventilation and adopting the ventilation heating pipe to heat the cold air introduced by the axial-flow ventilator in a tunnel excavating construction process. The ventilation heating system and the ventilation heating construction method have the advantages as follows: the design is reasonable, the construction is convenient, the use effect is good, and the problems of influence caused by proneness to collision on tunnel construction, poorer heating effect, failure in meeting the heating requirement in a low-temperature environment and the like when the existing tunnel environment heating method is adopted can be solved.

The invention provides an exhaust of a heating barrel of an injection molding machine so that water and tarry material-like gas will not be easily generated due to plasticization of molding raw materials in decompression atmosphere in the heating barrel of the injection molding machine. According to the invention, molding raw materials (M) are plasticized in decompression atmosphere by the exhaust of the heating barrel of the injection molding machine (10), water and gas generated in the heating barrel (27) is absorbed through a vacuum source (35) and discharged to the atmosphere, a heating control device (45) structured by an electric heater (22) for heating control by a control device (41) is disposed on the inner surface of a raw material falling path (34) disposed above an upper opening (33) of the heating barrel with the molding raw material (M) supplied.

The invention relates to a heat pump air conditioner and hot water device with high-efficiency running adapting in wide temperature circumstance, comprising indoor and outdoor air heat exchanger and energy coupling heat exchanger; special low-temperature air-source heat pump in winter constituted by low-temperature compressor, first end of coupling heat exchanger, expansion valve and outdoor heat exchanger; artificial-source high-temperature heat pump heated by the special low-temperature air-source heat pump constituted by middle-high-temperature compressor, four-way reversing valve, indoor heat exchanger, expansion valve and second end of coupling heat exchanger; heating air-source heating pump with single compressor in winter with low temperature constituted by low-temperature compressor, indoor heat exchanger, expansion valve and outdoor heat exchanger; refrigeration air-source heat pump in summer with single compressor constituted by middle-high-temperature compressor, four-way reversing valve, outdoor heat exchanger, expansion valve and indoor heat exchanger; and heat pump for bath heating and heating hot water constituted by bath heat exchanger in air conditioner system and water heater. The invention is suitable for high-efficiency heating and refrigeration in circumstance temperature from -45deg.C to 45deg.C and provides hygiene hot water and bath heating at the same time.

The invention provides a solid oxide fuel cell apparatus which can release the uneven temperature of a fuel cell module, can ensure the evaporating performance of water in a steam generator, improve the heat exchanging performance of a heat exchanger, and can effectively raise the temperature during starting. A solid oxide fuel cell apparatus has: multiple fuel cell units; a module case housing multiple fuel cell units; a heat insulating material disposed to cover the area around the module case; a reformerfor reforming raw fuel gas using steam, thereby producing fuel gas; a combustion chamber for combusting residual fuel gas and heating the reformer; a heat exchanger for exchanging heat between oxidant gas and exhaust gas; and a steam generator, disposed within the heat insulating material and on the outside of the module case, for exchanging heat between exhaust gas and water immediately after heat is exchanged in the heat exchanger, thereby producing steam.

The invention provides a cold accumulation bed and a magnetic refrigeration system. The cold accumulation bed comprises a first chamber and a second chamber, wherein the first chamber comprises a first region and a second region, the second chamber comprises a third region and a fourth region, a first magnetic working medium and a fourth magnetic working medium both made of positive effect magneto-thermal materials are arranged in the first region and the fourth region respectively, and second magnetic working medium and third magnetic working medium both made of negative effect magneto-thermal materials are arranged in the second region and the third region respectively; and the cold accumulation bed is further provided with a first magnetic generating device, wherein the cold accumulation bed and the first magnetic generating device can move relative to each other, when being opposite to the first region and the third region, the first magnetic generating device is not opposite to the second region and the fourth region, and when being opposite to the second region and the fourth region, the first magnetic generating device is not opposite to the first region and the third region. According to the cold accumulation bed and the magnetic refrigeration system, magnetizing and demagnetizing effects on the magnetic working media can be realized at the same time, the refrigeratingtime or the heating time of the system is prolonged, and the problem that the refrigerating time of a flow path of the single cold accumulation bed is short is solved.

The invention provides a combined cycle energy supply system, and belongs to the technical field of thermal energy utilization and heat pumps. A steam power device forward cycle system is composed of a turbine, a boiler, a condenser and a cycle pump. A compression type reverse cycle system is composed of a compressor, a cooler, an expansion machine, a low-temperature heat exchanger and a heat regenerator. An absorption type reverse cycle system is composed of an evaporator, an absorber, a generator, a condenser, a throttle valve, a solution pump and a solution heat exchanger. The steam power device forward cycle system provides power for the compression type reverse cycle system or provides a driving heat load for the absorption type reverse cycle system. The compression type reverse cycle system obtains the low-temperature thermal load and supplies heat to the outside through the cooler. The absorption type reverse cycle system absorbs the low-temperature thermal load and supplies heat to the outside through the absorber and the condenser, and the combined cycle energy supply system is formed.