448results about How to "Good temperature control effect" patented technology

The invention discloses a battery module for a vehicle. The battery module for the vehicle comprises a battery assembly, a micro-channel parallel flow heat exchanger, electric heating parts and a temperature equalizing plate, wherein the micro-channel parallel flow heat exchanger is arranged at the top and/or bottom of the battery assembly and comprises a first flow collecting pipe, a second flow collecting pipe and a plurality of flat pipes; the two ends of the flat pipes are connected with the first flow collecting pipe and the second flow collecting pipe respectively; the plurality of flat pipes are distributed at intervals in the axial direction of the flow collecting pipes; the electric heating parts are arranged on the sides, departing from the battery assembly, of the flat pipes; and the temperature equalizing plate is arranged between the battery assembly and the micro-channel parallel flow heat exchanger. The battery module for the vehicle, provided by the invention, has simple structure, high heat exchange efficiency and high working reliability.

The invention discloses a polyether-ether-ketone modified polytetrafluoroethylene composite material, a bearing retainer and a making method of the bearing retainer. The composite material comprises, by mass, 18-25% of polyether ether ketone, 5-8% of tungsten disulfide, and the balance of polytetrafluoroethylene. The composite material comprises polytetrafluoroethylene, polyether-ether-ketone and tungsten disulfide. Polyether-ether-ketone has good temperature resistance, hydrolysis resistance, compression strength and corrosion resistance, has a low friction coefficient and has wear fastness, tungsten disulfide has high compression strength and high oxidation resistance, and very low friction coefficient, and polyether-ether-ketone and tungsten disulfide are used to modify polytetrafluoroethylene as fillers, so the obtained composite material reserves the lubrication performance of polytetrafluoroethylene, improves the dimension stability, the compression strength and the wear resistance of polytetrafluoroethylene, and has a greatly higher thermal deformation temperature than a pure polytetrafluoroethylene material, thereby requirements of the material of the retainer by long life bearings are met.

The invention discloses a rotational molding forming device applying constant-temperature jet-propelled heating, belonging to the technical field of rotational molding. The rotational molding forming device is used for manufacturing large and medium plastic products with complicated shapes by using a rotational molding technology. The rotational molding forming device mainly comprises an air heating system, a forming die, a gas recycling cover, an insulating layer, a hot air distributing pipe, a nozzle, a rotational spindle cylinder, a crank arm, a hot air inlet pipe and a hot air distributing pipe air outlet pipe. Polymers capable of being applied to rotational molding forming can be processed into plastic products by using the device. According to the invention, the deficiency in several kinds of rotational molding more widely applied to the rotational molding forming device is solved to a certain degree. The novel rotational molding forming device has the advantages of high temperature control precision, good temperature uniformity, high heat exchange efficiency and low die cost, and overcomes the defects of large energy loss, long production period, low production efficiency and the like of the rotational molding forming device.

The invention relates to a sheet billet continuous casting and rolling production line and a production process thereof, and belongs to the technical field of sheet billet continuous casting and rolling. According to the technical scheme, the sheet billet continuous casting and rolling production line comprises a continuous casting machine (1), a 1#pendulum shear (3-1), a 1#tunnel type heating furnace (9-1), a 1#descaler (7-1), a roughing mill group (10), a 2#pendulum shear (3-2), a billet picking device (4), a 2#tunnel type heating furnace (9-2), a 2#descaler (7-2), a finishing mill group (11), a laminar cooling (18), a flying shear (19) and a reeling-up machine set (20) which are arranged in sequence according to a rolling sequence. When the continuous casting speed of the continuous casting machine (1) is less than 5m/min, single block rolling or semi-endless rolling is adopted; and when the continuous casting speed of the continuous casting machine (1) is greater than or equal to 5m/min, endless rolling is adopted. The sheet billet continuous casting and rolling production line and the production process thereof have the beneficial effects that the temperature uniformity and the surface quality of a casting blank can be ensured, and different rolling modes can be adopted according to the continuous casting speed of the continuous casting machine.

The invention provides a temperature control method and device of a unit as well as an air conditioning unit. The method comprises the following steps that load parameters of an indoor tail end are determined; the water outlet temperature of the unit is determined according to the determined load parameters of the indoor tail end; the unit is controlled to operate according to the determined wateroutlet temperature. By means of the mode, the problems that the energy consumption is too high and the temperature control effect is poor due to the fact that the water outlet temperature of the unitis irrelevant to the tail end load is solved, and the technical effects of effectively reducing the energy consumption and improving the temperature control effect are achieved.

The invention provides a test device for acquiring a plate thermoforming limit diagram. The device includes a universal tester, a mould, a strain measurement analysis apparatus, a heating control apparatus and a heat insulation apparatus. The universal tester includes a middle beam and a force sensor connected to the middle beam. The heating control apparatus consists of a temperature control unit and a heating component and a temperature sensing component that are respectively connected to the temperature control unit. The mould comprises a female die base, a blank-holding die and a male die. The female die base and the blank-holding die are assembled through a blank holding force control apparatus to form a plate clamping part for clamping plates. The strain measurement analysis apparatus consists of a controller, a metal corrosion marking unit and a CCD image sensor. The test device provided by the invention has a simplified overall structure, through combination of the universal tester, the mould, the strain measurement analysis apparatus, the heating control apparatus and the heat insulation apparatus, realizes precise control of the plate blank holding process and stamping forming process, and accurately acquires the plate thermoforming limit diagram.

The invention discloses a tester for concrete free deformation which has low manufacturing cost, high measuring precision, and easy operation for engineering personnel, and comprises a test box assembly, a temperature controlling assembly, a displacement sensing device, and a computer assembly. The test box assembly is a detachable closed container, and is composed of six movable assembled side plates; the temperature controlling assembly comprises an AC electric power regulator which can be controlled by the computer assembly, a silicone rubber heating film, a temperature signal conditioner, and a temperature sensor; the displacement sensing device is a displacement sensor which is disposed at the end part of a concrete test object and is in intimate contact with the object. The invention can simulate the in situ temperature of the concrete structure and measure the free deformation, has the advantages of low manufacturing cost, high measuring precision, and easy operation for users, can provide experimental basis for the optimization of mix proportion of concrete, and can furthest ensure the prevention or the inhibition of the expansion of concrete cracks so as to achieve the purpose of improving the control level and durability of concrete temperature cracks.

The invention discloses a temperature control device of a storage battery for a spacecraft. The temperature control device provided by the invention comprises a temperature control plate [2]. Storage battery structure blocks [1] are installed at an inner side of the temperature control plate [2]. Transverse heating pipes are pre-embedded in a side which belongs to the temperature control plate [2] and is close to a storage battery installation surface. Vertical heating pipes [6] are pre-embedded in parts close to the storage battery installation surface. A hot expanding plate [3] is arranged at a part close to the storage battery installation surface. The hot expanding plate [3] transversely extends out of a heat dissipation plate [4]. Sides of the storage battery structure blocks [1] are provided with heating devices. The temperature control device provided by the invention solves the problem of temperature control of a high-calorific value storage battery used for a spacecraft, and has good temperature control effects, high reliability and a flexible design.

The invention relates to a preparation method of a diamond micro-channel heat sink for superhigh heat flux cooling, and belongs to the field of semiconductor device cooling. The method comprises the steps: employing the special substrate technology and the improved CVD preparation technology for preparing a high-quality, no-crack and super-thick diamond self-supporting membrane; controlling the surface roughness of the super-thick diamond membrane through the mechanical grinding and polishing according to the requirements of a thermal contact interface; employing the unique laser processing technology for achieving the fixing of the structure size of the super-thick diamond membrane, carrying out the micro-channel engraving on the surface through a laser micro-beam flow, obtaining a diamond micro-channel heat exchanger with the size being matched with the groove type, and enabling the diamond micro-channel heat exchanger to meet the design requirements of a high heat flux heat exchangefor dissipation. The micro-channel heat sink can be used for the heat dissipation of a high-power-consumption electronic device of spatial loads, such as a phased array radar, a satellite, and a large-scale spacecraft.

The invention provides a battery container heat management system, comprising a box, an air conditioner, an air duct, a battery rack and a fan, wherein an air outlet gap of the air duct is arranged ata front end of the battery rack for outputting air flow, and a fan is arranged at a back end of the battery rack for extracting air flow. The whole heat management system adopts the circulation modeof front air outlet and back air return, the air flow is uniform, the required air pressure is small, the energy is saved, waterproof and dustproof effects are achieved, the temperature control effectis good, and the high rate current (fast) charging and discharging can be realized.

The invention provides a phase change temperature control fiber. The phase change temperature control fiber is characterized by comprising a microstructure fiber matrix and a phase change material, wherein the microstructure fiber matrix comprises three-dimensional communication holes, the phase change material fills the three-dimensional communication holes, and each three-dimensional communication hole is of a three-dimensional structure with two or more holes communicating with each other. Compared with the prior art, the phase change temperature control fiber has the following advantages:first, the filling loading capacity and cycling stability of the phase change material are improved through the fiber structure design; second, through fiber surface treatment and fiber internal doping technology, good water resistance and mechanical properties of the fiber are realized; finally, the phase change composite hydrophobic temperature control fiber provided by the invention has the functions of keeping warm and cooling in the aspect of temperature regulation and control; in the aspect of material selection, the universality is achieved, most of commercial fiber materials can be adopted, then the fiber is suitable for industrial amplification application, and meanwhile, different materials can be designed according to actual needs; and in the aspect of fabric forming, a phase change temperature control fabric can be directly woven by the phase-change fiber, and also can be woven after yarns are prepared.

The invention discloses a cabinet air conditioner, an air conditioner and an air output control method of the cabinet air conditioner. The cabinet air conditioner comprises a shell, two air outlets, at least two centrifugal fans, a heat exchanger and at least one driving motor, wherein an air channel is formed inside the shell; the two air outlets are horizontally formed at an interval in the shell, and each air outlet communicates with the air channel; each centrifugal fan is fixedly arranged at the shell and communicates with the air channel; the heat exchanger is fixedly arranged at the shell and is arranged between the two air outlets and the two centrifugal fans; each driving motor is used for driving the centrifugal fans to run and is fixedly connected to the shell through a fixing frame; each fixing frame comprises a mounting support and at least one mounting arm which is connected with the mounting support in a matching manner; the end part of each driving motor is clamped in a clamping space formed by one mounting arm and the corresponding mounting support. The cabinet air conditioner disclosed by the invention can be effectively adjusted in air output and air output mode and is also more stable in performances.

The invention provides a warm core floor, comprising a lower board and an upper board pressed on the lower board; a conductive heating plate is clamped between the upper board and the lower board, wherein the conductive heating plate comprises two layers of substrates; a grid shaped heating unit is pressed between the two layers of substrates; and conductors are respectively arranged on both sides of the heating unit. The warm core floor has the advantages that: 1, the grid structure is uniformly heated; 2, each grid is taken as a minimum heating unit and the temperature control performance is good; and 3, even if the warm core floor is damaged, the heating unit (grid) in the damage range is influenced, and the other heating units can heat normally.

A DPF system including a Venturi exhaust passage device, in which a temperature and a pressure in a high pressure passage are measured, together with a difference of pressures in the high pressure passage and a low pressure passage, while a pressure drop across a DPF is monitored. A PM amount and an exhaust flow rate, which are key parameters in DPF control, can be calculated with the measured values. With the Venturi exhaust passage device, a two-stage bootstrapping heating device with two DOCs and an electrical heater can be used to heat exhaust gas at a temperature lower than a light-off temperature, while a flow-back passage fluidly connected to an outlet of the DPF can be used for increasing exhaust flow-rate and making PM distribution in the DPF more uniform. These technologies decrease risks of thermal runaways, and enable a DPF system controlled without using engine operating parameters.

The invention relates to the technical field of road pavement. Directed at the problem of easy cracking of a pavement under the condition of a low temperature, the invention provides a frost-crackingproofing pavement. The frost-cracking proofing pavement comprises the following components by mass: 7 to 10 parts of asphalt, 50 to 70 parts of gravels, 15 to 20 parts of fine sand, 7 to 10 parts of mineral powder, 5 to 7 parts of waste rubber particles, 1 to 2 parts of a vulcanizing agent, 0.5 to 1 part of aniline, 1 to 1.5 parts of m-hydroxybenzoic acid and 3 to 4 parts of hollow glass beads. According to the invention, through addition of the waste rubber particles, wastes are easily recovered and utilized, and the natural environment is easily improved; meanwhile, toughness, tensile strength and frost-cracking resistance of the pavement are easily reinforced.

The invention discloses a portable thermal loading device for a temperature-acceleration composite environment test, comprising a radome having one end open and the other end closed, electric heating membranes and a fan. The radome is in connection with a centrifuge arm through main body bolts; a testpieces is installed on the centrifuge arm through a table top, and is located in the radome; in the radome, a thermal insulation layer is arranged between an outer wall and an inner wall; a plurality of electric heating membranes are uniformly bonded on the inner wall; the fan is installed on the inner wall and is close to the inner bottom center, and the air supply direction just faces the inner bottom center of the inner wall. The portable thermal loading device employs bonded electric heating membranes to realize heating, thereby synchronously controlling the temperature and acceleration, and improving the simulation capability of a temperature-acceleration composite environment test; the radome is of a three-layer structure, thereby reducing the overall mass, and improving insulation effects; the radome is internally provided with the fan, thereby improving the temperature uniformity and the convection heat exchange efficiency of a heating source.

The invention relates to a device for improving output stability of a deep ultraviolet laser. The device for improving the output stability of the deep ultraviolet laser comprises a deep ultraviolet frequency conversion crystal device, a metal device housing, cooling mediums and a temperature controller, wherein the deep ultraviolet frequency conversion crystal device is stuck between two rectangular prisms by deep ultraviolet frequency conversion crystals, the deep ultraviolet frequency conversion crystal device and the two rectangular prisms are combined together through the metal device housing, the rectangular prisms are cut according to a matching angle of the deep ultraviolet frequency conversion crystals and refractive indexes of the deep ultraviolet frequency conversion crystals and rectangular prism materials, incident light perpendicular to a rectangular end face of one rectangular prism enters and satisfies a phase matching condition when enters onto the deep ultraviolet frequency conversion crystals, hollow flow passages are respectively arranged inside the upper and the lower housing walls of the metal device housing, the cooling mediums are placed in the hollow flow passages, the cooling mediums in the hollow flow passages are communicated with the temperature controller, and the temperature controller is used for controlling working temperature of the deep ultraviolet frequency conversion crystals to remain unchanged. Accordingly, the device is simple in structure, stable in performance and practical.