189results about How to "Good constant temperature effect" patented technology

The invention discloses a constant-temperature control method of a gas water heater. The constant-temperature control method comprises the following steps that the water inlet temperature and the water inlet flow of the gas water heater are detected; the heat load required by the gas water heater to heat inlet water from the water inlet temperature to a preset temperature according to the water inlet temperature, the water inlet flow and the preset temperature; the current of a proportional valve of the gas water heater is adjusted according to the heat load and an initial adjusting rule so asto enable the water outlet temperature of the gas water heater to reach the preset temperature; when the water outlet temperature reaches the preset temperature, the current of the proportional valveand the current heat load of the gas water heater are acquired; and the initial adjusting rule is updated according to the current of the proportional valve and the current heat load so as to adjustthe current of the proportional valve according to the updated adjusting rule. According to the constant-temperature control method, the startup overshoot of the gas water heater can be reduced, start-up constant-temperature time is shortened, and therefore the constant-temperature performance of the gas water heater can be improved. The invention further provides a constant-temperature control device of the gas water heater and the gas water heater.

The invention is a pollutant aerobic-biodegradation breathing measuring method and device, relating to a method and device for measuring oxygen utilization ratio in the course of processing waste water by aerobes. And the measuring method comprises the steps of: checking dissolved oxygen sensor, keeping temperature of water tank constant, putting in microbial mixed solution, blending, circulating mixed solution, setting parameters, putting in to-be-measured sample and calculating; and the measuring device comprises water tank, magnetic blending mechanism, aeration mechanism, aeration chamber, breathing chamber, measuring chamber, pH sensor, dissolved oxygen sensor, signal transmit lines, transducer terminal box, computer and oxygen utilization ratio measuring software. And the invention has advantages of less interference, high testing accuracy and frequency, high instrument automation degree, etc. and it is applied to the aspects of city sewage composition characterization, inlet water toxicity detection, evaluation and early- warning in sewage factory, process control and operation management in sewage factory, etc.

The invention relates to a constant temperature cabinet. The constant temperature cabinet comprises a constant temperature cavity, a temperature senor and a temperature regulating device, wherein the constant temperature cavity comprises a cover body and a drawer groove, and the cover body is used for accommodating the drawer groove; the temperature sensor is connected with the constant temperature cavity and used for detecting the temperature inside the constant temperature cavity; the temperature regulating device is connected with the constant temperature cavity and used for regulating the temperature inside the constant temperature cavity. The constant temperature cabinet adopts a drawer type structure, an opening of a box body is arranged in a side face with small area, and the heat rising to the top of the sealed box body also can be prevented from overflowing, so that the good constant temperature effect can be achieved.

The invention discloses a method and a device for the continuous up-casting of copper-clad steel. The method comprises the key points that: a preheated steel core wire enters from the bottom of a continuous casting furnace, and then is vertically dragged out of the upper part of the continuous casting furnace after continuous casting and cladding in melted copper in the furnace in sequence. The preheating temperature of the steel core wire is between 600 and 700 DEG C; the temperature of the melted copper is controlled to between 1,150 and 1,110 DEG C; the cladding distance of the steel core wire in copper liquid is controlled to between 8 and 17cm; and the speed at which the copper-clad steel core wire after the continuous casting is extracted from the furnace is between 100 and 120m/min. Meanwhile, the device makes the continuous casting furnace keep constant temperature and ensures the quality of products because a melting furnace, a heat preserving furnace and the continuous casting furnace are connected with one another; and moreover, because the device is provided with a furnace body lifting device, the device can conveniently transfer the melted copper in the continuous casting furnace so as to facilitate maintenance.

The invention discloses a wind induction intelligent constant-temperature ecological curtain wall system and a temperature control method and belongs to the field of curtain walls. The system and method solve the problem of high energy consumption of an air-conditioning system. Through combination of a computer system and a constant-temperature curtain wall, multiple work modes are realized, intelligent selection and switch of work modes are achieved according to the temperature in a room, the temperature of a hollow interlayer, the temperature outside the room and the air speed outside the room, so that intelligent temperature control is achieved, energy consumption of the air-conditioning system is reduced during heating and cooling, and energy saving effect and environment adaptability are good.

The invention relates to a process method for carrying out integral soldering on an armature. Before the armature is subjected to integral soldering, a commutator pre-tinning process is added; a spiral wound gasket is used for replacing an asbestos cord; the spiral wound gasket is placed between a tin pan and the armature; the tin pan is made of titanium alloy; and a PID (Proportion Integration Differentiation) intelligent control instrument is adopted to carry out temperature control and maintenance. The commutator pre-tinning process is designed from the economy, the practicality and the manufacturability and takes an important effect in the process method for carrying out integral soldering on the armature. After the pre-tinning is carried out, the reliability of the integral soldering of the armature is improved, the pseudo soldering and the missing soldering are avoided, the repair rate of the armature is reduced and the motor quality is fundamentally improved. According to the method, the armature soldering efficiency is improved for dozens of times; the temperature control and constant temperature effects are good; the liquidity of molten tin, the welding strength and the welding reliability are improved; and the integral soldering quality of the armature is improved.

The invention discloses a multi-channel high-density wavelength division multiplexing high-speed optical device. The optical device comprises a laser module, an optical path conversion module, a wavelength division multiplexing module, an optical fiber coupling module and an optical fiber which are sequentially arranged along the optical axis direction. The optical device is characterized in thatthe wavelength division multiplexing module comprises a first Z-Block module with four channels and a second Z-Block module with four channels; eight paths of divergent light emitted by the laser module are converted into eight paths of parallel light through the light path conversion module; and eight paths of parallel light are divided into two groups according to four paths as a group, one group of coupled light passes through a first Z-Block module and then is combined into one path, the other group of coupled light passes through a second Z-Block module and then is combined into a secondpath, and two paths of light from the first Z-Block module and the second Z-Block module pass through a wave combining module and then are combined into one path. The multi-channel high-density wavelength division multiplexing high-speed optical device can greatly shorten the optical path.

The invention relates to an air quality-inducing intelligent constant temperature ecological curtain wall system and a temperature control method, belongs to the field of curtain walls and solves the problem that an air conditioning system is high in energy consumption. The system is combined with a constant temperature curtain wall by virtue of a computer system, so that the system has multiple working modes; the working modes are intelligently selected and switched according to the indoor and outdoor temperatures, the temperature of a hollow interlayer and an outdoor air quality, and intelligent temperature control is realized, so that the energy consumption of the air conditioning system in heating and refrigerating processes is reduced, and the system has a good energy-saving effect and an ability of coping with environmental changes.

The invention provides a temperature-adjustable constant temperature heating system. Reference voltage in a temperature signal processing unit and a sensor signal output end are respectively connected with two input ends of a signal amplifying circuit; the signal output end of the signal amplifying circuit is connected with the signal input end of a hysteresis comparison circuit in a temperature control unit; the signal output end of a temperature adjustment circuit in the temperature control unit is connected with the other signal input end of the hysteresis comparison circuit; and the signal output end of the hysteresis comparison circuit is connected with a control electrode of a power switch transistor in a power starting unit. Through adjusting backlash voltage of a hysteresis comparator, system temperature errors can be well controlled in an expected range, and excellent constant temperature effects are achieved.

The invention discloses an integrated rain induction intelligent constant-temperature ecological curtain wall system and a temperature control method and belongs to the field of curtain walls. The problem that an air conditioning system is high in energy consumption is solved. According to the integrated rain induction intelligent constant-temperature ecological curtain wall system and the temperature control method, a constant-temperature curtain wall is combined with a computer system so as to have a plurality of working modes, the working modes are intelligently selected and switched according to an indoor hollow interlayer, the outdoor temperature and the outdoor rainfall, and intelligent temperature control is achieved; and thus, energy consumption of an air conditioning system in heating and refrigerating processes is reduced, and a good energy-saving effect and good environmental change response capacity are achieved.

The invention discloses a gas water heater and a control method thereof. The gas water heater is a sectional type gas water heater and at least comprises a first fire grate assembly and a second fire grate assembly, and the gas water heater further comprises a proportional valve for adjusting the gas supply amount as well as a first section valve and a second section valve communicating or closing gas entering the first fire grate assembly and the second fire grate assembly. The control method comprises the following steps: detecting that the change of heat demand; calculating a fire transfer point load caused by the change of the heat demand; and controlling the opening degree of the proportional valve to be adjusted to a valve switching point corresponding to the fire transfer point load. A fixed valve switching point during fire transfer is not set for the proportional valve, but a corresponding valve switching point suitable for the change of the heat demand is automatically calculated according to the heat demand, so that a controller controls a burner to be switched in different section modes, the temperature of the outlet water flow is more constant during switching, and meanwhile, the gas can be saved.

The invention discloses a compound humectant. A method used for manufacturing the compound humectant comprises: water retention agent with the weight ratio of 20-40% is mixed with water soluble fertilizer, and then the mixture is stirred and heated at the temperature of 80-90 DEG C; the mixture is dried. The compound humectant has the characteristics of avoiding fertilizer and pesticide from draining away and dissipating, preventing fertilizer and pesticide from polluting the environment, leading the soil to form crumb structure, improving soil, saving water source and lowering planting cost.

The invention discloses a fully-automatic energy-saving drip molding method which is characterized by comprising the following steps: positioning, namely placing a mold on a one-cylinder four-claw system; carrying out drip molding, namely pushing the mold into a drip molding system through a telescopic cylinder; heating, namely pushing the mold into a heating system through the telescopic cylinderafter a product is formed on the mold through drip molding; cooling, namely heating the drip molded product on the mold, and pushing the mold into a cooling system through the telescopic cylinder; transferring, namely pushing the cooled mold into a transferring system 5 through the telescopic cylinder; clamping, namely transferring the mold into a clamping system; and demolding, namely pushing the mold into a demolding system through the telescopic cylinder. Through steps of positioning, drip molding, heating, cooling, transferring, clamping and demolding, a spraying molding product is moldedon one production line, fully-automatic production is achieved, and the production efficiency is improved.

The invention relates to the technical field of bedding and particularly relates to a multifunctional pillow which comprises a pillow case and a pillow interior, wherein the pillow interior is arranged in the pillow case; the pillow interior comprises a water bag, an upper-layer pillow interior and a lower-layer pillow interior which are sequentially arranged from top to bottom; the upper-layer pillow interior is filled with silks; the lower-layer pillow interior is filled with a Chinese herbal medicine mixture; the water bag is arranged at the middle, which is away from the surface of the lower-layer pillow interior, of the upper-layer pillow interior; the middle parts of the left and right ends of the pillow case are sewn with fabric strips; the front ends of the fabric strips are provided with magic tapes so as to ensure that the left and right ends of the pillow case can be bound together. The multifunctional pillow has the beneficial effects that softness and health-care property are achieved, and the effects of repelling mosquitoes, soothing the nerves, helping sleep and treating headache are achieved; the water bag can be filled with cold water and hot water; the multifunctional pillow is warm in winter and cool in summer; the multifunctional pillow is heated by hot water, so that blood circulation of the head and neck of a human body are accelerated, fatigue is relieved, and the sleep quality of people can be effectively improved.

The invention consists of body case, heater in body case, heat transfer body, thermal reaction coil, temperature control and test meter,and temperature sensor. The heat transfer body is mounted on the heater. The thermal reaction coil is around the heat transfer body, and its liquor feeding end and liquor outputting end are threaded out body case. The temperature sensor is located in the temperature field formed by heat transfer body, and its output end is connected with input end of temperature control and test meter. The output end of temperature control and test is connected with the power of electric heater to control onoff of the power. A lagging can be sleeved on heat transfer body and heater.

The invention relates to a novel toughened-glass homogenizing furnace which comprises a box-type furnace body, a control device, a track and a glass frame. Two sides of a furnace chamber are provided with two heating chambers, and the two heating chambers are provided with at least one group of heating wires along a height extending direction. The bottom end of each heating chamber extends to the bottom of the furnace chamber through a thermal-cycling air outlet. The top end of each heating chamber extends to the top of the furnace chamber and extends to the middle of the top of the furnace chamber to form a transverse-spread hollow chamber communicated with the heating chamber, and a thermal-cycling air inlet is arranged in the transverse bottom surface of each transverse-spread hollow chamber. The top end of the furnace body corresponding to the transverse-spread hollow chamber is provided with an axial flow fan, and wind wheels in driving connection with the axial flow fan are arranged in the transverse-spread hollow chambers corresponding to the thermal-cycling air inlets. A hot-air vent is arranged between the two transverse-spread hollow chambers of the top end of the box-type furnace body, and an air drafting fan is arranged on the corresponding hot-air vent. The novel toughened-glass homogenizing furnace has the advantages that structure is simple and reasonable, the constant temperature effect in the furnace body is uniform, the cooling time is short, and the working efficiency is effectively improved.

The invention discloses a mini vapour-phase chromatography room belongs to chromatography field, the intention is conquering poor constant temperature effects, big bulk and weight of current vapour-phase chromatography analyzer chromatography room. The invention is composed by inputting sample unit, separating unit and detecting unit, the inputting sample unit and detecting unit are fixed on the two sides of the separating unit chromatography room cavity lid; the chromatography room cavity is columniform; the invention uses double gas route, single column and single detecting equipment structure; the mini fan conversing blowing to heat abstraction. The applied novel invention has good constant temperature effect, the whole bulk is only 1/13 of former chromatography room, the whole weight is only 1/11 of former chromatography room, the controlling temperature precision reaches +-0.1 deg.C, it is portable instrument, and can be used to on line continuous analysis, especially providing a effective method of insulating oil on line detecting for electric power system.

The embodiment of the invention provides a refrigerator, and relates to the technical field of refrigeration or cold storage devices. The refrigerator can slow down loss of cold air in the refrigerator. The refrigerator comprises a refrigerator body, a refrigerator door and a door seal arranged between a frame of the refrigerator body and the refrigerator door. The door seal comprises a magnetic strip. Contact faces between the frame of the refrigerator body and the magnetic strip include at least one bent face.

The invention provides a constant-temperature control method and device for a water heater. A bypass tube is bridged between a main water inlet pipeline and a main water outlet pipeline of the water heater. The method comprises that a first water server is arranged on the main water inlet pipeline; according to the water flow, all the incoming water of the water heater, excepting the water flowing through the bypass tube, flows through the first water server; when the total incoming water flow fluctuates or the set temperature of the water heater changes, the first water server can be controlled to adjust the bypassing ratio of the water flow so as to keep the constant temperature of the outgoing water of the water heater. According to the constant-temperature control method and device for the water heater, the water server capable of accurately adjusting the bypassing ratio of the water flow is additionally arranged on the water heater equipped with the bypass tube, so that the time of a gas water heater reaching the constant temperature can be further decreased, the problem of temperature delay can be solved, and the constant temperature performance of the gas water heater can be improved.

The invention relates to municipal energy-saving walls, in particular to an ecological three-dimensional municipal greening curtain wall. The problem that during common wall surface greening, vine plants are used for climbing on a wall or green plants are directly hung on the wall through a planting box, parts, not covered with the green plants, of the wall are likely to occur, and accordingly thegreening wall cannot meet the heat preservation requirement is solved. According to the technical scheme, the ecological three-dimensional municipal greening curtain wall is characterized by comprising a wall body and greening groups, a support making the greening groups connected is fixedly arranged on the side edge of the wall body, the support comprises a first supporting body and a second supporting body which are parallel to the wall body, and the greening groups comprise a plurality of first greening units fixedly arranged on the first supporting body and a plurality of second greeningunits fixedly arranged on the second supporting body. The thickness of the greening wall is increased, and the heat preservation effect of the greening wall is improved.