64results about How to "Avoid uneven temperature distribution" patented technology

A heater of the invention includes a substrate; a first conductive element and a second conductive element which are provided on the substrate along a longitudinal direction of the substrate; a heat generating element which is provided between the first conductive element and the second conductive element and generates heat with power supplied via the first conductive element and the second conductive element; and an electrode to which a conductive member for supplying power is connected, in which a heat generation amount of a region corresponding to a position at which an electrode of the heat generating element is provided is set to be greater than a heat generation amount of other regions.

The invention relates to a temperature consistency control system and method for the power battery of a new-energy automobile. The system comprises a first expansion kettle, a first water pump, a first three-way water valve, a PTC water heater, a first cooling water temperature sensor, a battery cooling plate, a second cooling water temperature sensor, a battery cooler, a second three-way water valve and the first expansion kettle, which are sequentially connected to form a battery heating/cooling water circulation circuit, wherein the battery cooling plate is arranged at a position where power battery is located; the power battery is provided with a plurality of battery temperature sensors respectively connected with battery cores inside the power battery; a branch circulation loop is arranged between the first three-way water valve and the second three-way water valve and parallelly connected with two ends of a cascaded line of the first water pump and the first expansion kettle; andthe branch circulation loop is provided with a second expansion kettle and a second water pump. Compared with the prior art, the invention has the advantage that good temperature consistency of the battery cores of the power battery of the new-energy automobile is maintained by switching the water inlet and the water outlet of a water cooling plate, so the service life of the battery is prolonged.

The invention relates to a laser thermal therapy probe based on a photothermal effect of an optical fiber material. The laser thermal therapy probe comprises a light transmission optical fiber, a protective sleeve, an optical fiber temperature sensor and a photothermal probe. The front end or the back end of the photothermal probe is connected with the optical fiber temperature sensor; the optical fiber temperature sensor on the back end is connected with the light transmission optical fiber; the protective sleeve wraps outside the light transmission optical fiber, the optical fiber temperature sensor and the photothermal probe. In a therapy process, the thermal therapy probe is put into a tissue requiring a treatment, the imported laser is converted into a thermal energy by the photothermal probe, and the thermal energy is conducted and radiated all around by centering on the probe, accordingly forming a certain temperature field distribution in the tissue. A complete distributed measurement of temperature distribution field temperature information around the tissue is achieved by the optical fiber temperature sensor. Being simple in structure, low in cost, small in size, and easy to manufacture, the laser thermal therapy probe based on the photothermal effect of the optical fiber material can measure the temperature distribution in real time, thereby providing a safe and highly practical probe structure as well as a small-size point heat source device with precise temperature control to the laser-induced interstitial thermal therapy.

The invention discloses a household garbage incinerator. A furnace door is arranged at the top of a furnace cavity of the incinerator. Materials are put into the furnace cavity through a feeding system. At least two rows of fire grates used for carrying garbage are arranged in the furnace cavity. The garbage entering the furnace cavity is dried and combusted on the fire grates. A slag discharging and dust removing door is arranged at the bottom of the furnace cavity. A plurality of injection pipes are arranged on the side wall of the furnace cavity. The injection pipes are connected with an air blower and used for injecting air to the interior of the furnace cavity. An exhaust port is formed in the top of the furnace cavity, arranged in the tangential direction of the furnace cavity, connected with an induced draft fan and used for pumping smoke in the furnace cavity. According to the household garbage incinerator, the movable fire grates are adopted, layered combustion is achieved, the garbage is evenly distributed, and the purpose of controlling the combustion condition in the incinerator can be achieved by controlling the induced air amount and air blowing amount. Through the arrangement of the injection pipes, the smoke temperature in the incinerator can be distributed more evenly, the retention time of the smoke is greatly prolonged, harmful matter such as dioxin can be completely decomposed, and sufficient combustion of the garbage is achieved.

A power amplifier circuit is capable of restraining uneven temperature distribution among a plurality of unit transistors while restraining the deterioration of the characteristics of the power amplifier circuit. The power amplifier circuit includes: a first transistor group which includes a plurality of unit transistors and which amplifies an input signal and outputs an amplified signal; a bias circuit which supplies a bias current or a bias voltage to a base or a gate of each unit transistor of the first transistor group; a plurality of first resistive elements, each of which is connected between the base or the gate of each unit transistor of the first transistor group and an output of the bias circuit; and a plurality of second resistive elements, each of which is connected between an emitter or a source of each unit transistor of the first transistor group and a reference potential.

A fuel cell includes a separator having a circular disk. On one surface of the circular disk, a fuel gas channel is provided for supplying a fuel gas to an anode, and on the other surface of the circular disk, an oxygen-containing gas channel is provided for supplying air to a cathode. The fuel gas channel has an end point at an outer circumferential end of the anode. A fuel gas discharge channel is connected to an end point of the fuel gas channel, such that the consumed fuel gas is emitted to an oxygen-containing gas supply unit, from a position spaced outwardly from the outer circumference of an electrolyte electrode assembly.

The invention discloses an air conditioning system and a control method thereof. The air conditioning system can provide fluid which is fully dehumidified and heated for the indoor space in an energy-saving mode and has the function of providing hot water. The air conditioning system comprises an outdoor unit, a dehumidifying and heating indoor unit and a refrigerating fluid water heat exchange unit, wherein the outdoor unit, the dehumidifying and heating indoor unit and the refrigerating fluid water heat exchange unit are connected through a first connecting pipe, a second connecting pipe and a third connecting pipe; one end of the third connecting pipe is connected to a discharge pipe connected to the discharge side of a compressor, the dehumidifying and heating indoor unit is provided with a second indoor side pipe, a second indoor side refrigerating fluid adjusting device and a second heat exchanger are arranged in the middle of the second indoor side pipe, and the other end of the third connecting pipe is connected to the other end of the second indoor side pipe; and the refrigerating fluid water heat exchange unit is provided with a refrigerating fluid pipe, a water loop and a refrigerating fluid water heat exchanger, one end of the refrigerating fluid pipe is connected to the first connecting pipe, and the other end of the refrigerating fluid pipe is connected to the third connecting pipe.

Method for preparing enzyme granules (A) by spray drying, is new. Method for preparing enzyme granules (A) comprises: (a) spraying at least one liquid enzyme formulation into a gas stream laden with solid particles; (b) subjecting the liquid-wetted particles in the heated gas stream to drying and granulation; (c) the particles, after a residence time in the gas stream, are separated and recycled in the process volume; (d) the particles are passed to the gas inlet region; (e) fine particles, dust and particles entrained in the process gas are separated and returned to the process as seed material for granule formation; and (f) a circuit-like flow of solid is generated in the axial direction of the reaction volume by supplying material to the gas stream. An independent claim is also included for enzyme granules (A) prepared by the new method.

The invention discloses a device for realizing a high temperature plane strain compression test on a thermal simulation test machine. High hardness profiled pressure heads are located at upper and lower ends of a sample. Insulation and high pressure-resistant side base plate and end base plate are respectively located in grooves in the end surface and inner side of a high-strength fixed plate. Thecombined fixed plates are respectively located in left and right sides of the sample. The combined fixed plates are fixed through four through holes of the fixed plate, high-strength bolts, washers and nuts to limit the deformation of the sample in the normal line of the fixed plate so that plane strain is formed. Compared with the existing test device, the device has the characteristics of uniform temperature distribution of the sample, high accuracy of the test data, small size, simple structure and convenient disassembling.

The invention discloses a gluing device for protective film production, relates to the technical field of protective film production, and aims to solve the problem that the production quality of a protective film is affected due to a relatively single internal gluing structure of an existing gluing device. A shell is fixedly arranged at the upper end of a base, a protective film is arranged between an unwinding roller and a winding roller, a temperature adjusting box is arranged in the middle of the upper end of the base, a heat exchange cavity is formed in the temperature adjusting box, a condenser is fixedly arranged at the bottom of the heat exchange cavity, a glue storage box is arranged at the upper end of the condenser, a first heat exchange pipe is fixedly arranged on the inner wall of the temperature adjusting box, first glue delivery rollers are installed on the two sides of the upper end of a first glue suction roller, a second glue suction roller is installed above the position between second glue delivery rollers, a gluing mechanism is installed at the upper end of the second glue suction roller, a trowelling mechanism is installed in the middle of the interior of the shell, and a drying device is installed on one side of the trowelling mechanism.

The therapeutic device for treating a living tissue, has jaws and serving as a pair of openable/closable holding portions each having a distal end portion configured to hold the living tissue, and a heating plate provided on at least one of the jaws and, and used to treat the living tissue, wherein a plurality of heat generating mechanism provided independently controllable are provided on the heating plate.

The invention relates to a method for controlling the addition amount of a VPO (vanadium phosphorus oxide) catalyst assistant water in the MAH (maleic anhydride) preparation process. The method is characterized in that a water control valve connected to a shell-and-tube fixed bed reactor for preparing MAH is connected with an atmospheric thermohygrograph and a calculating module, the atmospheric thermohygrograph measures the ambient temperature T and the relative humidity RH, measured values are input into the calculating module, and the addition amount of the assistant water is calculated according to a formula and can be accurately controlled. The method realizes the accurate control of the addition amount of the catalyst bed assistant water to make the humidity of a butane mixed gas entering the reactor keep constant and be not affected by the humiture, improves the selectivity of a catalyst by 2.1%, improves the yield by 2.4%, and avoids uneven temperature distribution of the reactor, caused by concentration of phosphide at the feed inlet of the reactor due to too low amount of water, and increase of byproducts, caused by the excessive amount of the water.

The invention discloses a reaction kettle with accurate temperature control. The reaction kettle comprises a driving motor, a bearing pedestal, a rotating shaft, a stirring paddle and a kettle body, and a heating ring is arranged in the main shaft heating cavity. Three temperature measuring elements which are uniformly arranged on the outer side of a heating jacket at equal intervals are used forcarrying out multi-point real-time monitoring on the temperature of a material in the kettle body; the heating jacket arranged on the outer side of the kettle body is used for heating and preserving heat of materials in the kettle body from the outer side; meanwhile, the main shaft heating cavity is formed in the rotating shaft arranged in the kettle body; the heating ring is arranged in the heating cavity and is filled with heat conduction liquid; materials are heated from the interior of the materials through the rotating shaft, meanwhile, the materials are stirred under the action of the stirring blade, so that the materials are heated more uniformly, the phenomenon that the temperature of the materials is not distributed uniformly is avoided, and the material temperature control precision of the device is improved.

The invention relates to a parallel type pulse tube machine. The parallel type pulse tube machine comprises compressors and a fixed part. The compressors are internally provided with n working cavities; the fixed part comprises an air reservoir, an inertia tube, a pulse tube, a first heat exchanger, a second heat exchanger and N heat regenerators parallelly arranged between the first heat exchanger and the second heat exchanger; and n and N are both integers larger than or equal to one. The two ends of each heat regenerator communicate with the working cavity of the common compressor; or, one end of each heat regenerator communicates with the working cavity of the corresponding compressor, and the other end of each heat regenerator communicates with the working cavity of the common compressor; or, one end of each heat regenerator communicates with the working cavity of the corresponding compressor, and the other end of each heat regenerator communicates with the working cavity of the another corresponding compressor. Compared with the prior art, the parallel type pulse tube machine is simple in integral structure, capable of being correspondingly expanded or shrunk according to the different working conditions, economical, practical and convenient to operate.

The invention provides an automatic stirring system. A stirring device is added into a sintering insulation box for making a superhigh temperature thermosensitive resistance material to solve the problems of poor temperature distribution uniformity in the sintering insulation box and poor mixing of materials. The automatic stirring system comprises an automatic control device, an insulation box, and stirring blades, a connection rod, a device for controlling the stirring blades to rise and fall and a device of controlling the stirring blades to rotate which are arranged in the insulation box. The material in the insulation box is stirred at the premise of not affecting crystallization of the material in the insulation box, ribs distributed evenly on the stirring blades help transfer heat in the insulation box, poor temperature distribution uniformity of mixing materials is effectively avoided, and stability of the manufactured high temperature thermosensitive resistance material can be improved.

The invention provides a cooling device for a transition area of a smelting reduction furnace. The cooling device is set to be of a layered structure and comprises a hot surface cooling layer and a cold surface protection layer. The hot surface cooling layer is attached to a refractory layer, and comprises a first metal shell and a cooling pipeline arranged inside the first metal shell, wherein the cooling pipeline penetrates out of the first metal shell and extends to form a liquid inlet pipe and a liquid outlet pipe. The cold surface protection layer is attached to the hot surface cooling layer, and the cold surface protection layer and the refractory layer jointly clamp the hot surface cooling layer. The cold surface protection layer comprises a second metal shell, a liquid inlet through hole and a liquid outlet through hole, wherein the liquid inlet through hole and the liquid outlet through hole penetrate through the second metal shell, the liquid inlet pipe penetrates through the liquid inlet through hole, and the liquid outlet pipe penetrates through the liquid outlet through hole. The cooling device is arranged in the transition area of the smelting reduction furnace, and therefore the cooling device can reduce the surface temperature of the refractory layer, a stable slag iron solidification layer can be formed on the surface of the refractory layer in the transition area to protect the refractory layer, and the service life of the smelting reduction furnace is prolonged.

The invention provides an evaporator assembly and refrigeration equipment. The evaporator assembly comprises a first evaporator and a second evaporator, wherein the first evaporator is arranged on the outer surface of the top wall of a liner, and the second evaporator is formed in a way that an evaporating pipe is wound on the outer wall surface of the liner. According to the evaporator assembly provided by the invention, the second evaporator is formed to supply the cooling capacity to a cavity enclosed by the liner, and the first evaporator is arranged on the top wall of the liner so as to supplement the cooling capacity to the top of the cavity, so that the problem of uneven temperature distribution in the cavity due to the sinking of the cooling capacity is solved. In addition, the first evaporator is further arranged on the outer surface of the top wall of the liner, so that the containing capability of the liner is guaranteed, the first evaporator can be installed and welded outside the liner, the operation of construction personnel is facilitated, and additionally, the appearance of the liner is prevented from being destroyed by high temperature and smoke which are generated by welding, thereby relatively increasing the quality of a product.

The invention provides a cylindrical battery, which comprises a pole, a pole piece, a hollow pipe and confluence plates, wherein the confluence plates are arranged at the two ends of the hollow pipe, the pole piece is wound on the periphery of the hollow pipe, and the pole piece is electrically connected with the confluence plates and is in heat conduction with the confluence plates; one surface, far away from the hollow pipe, of the confluence plate is connected with the pole, and heat conduction is performed between the confluence plate and the pole. The cylindrical battery provided by the invention solves the problem of poor heat dissipation effect of the existing cylindrical battery.