40results about How to "Improve the temperature sensing effect" patented technology

The invention discloses a temperature-controlled mixing valve structure which comprises a valve body assembly, a temperature controller and a constant temperature controller, wherein a reset spring of the constant temperature controller supports a sliding bar assembly which is in dynamic fit with a thermo-sensitive element; the sliding bar assembly comprises a sliding bar, a water mixer, a spring pad and a protection spring, wherein the sliding bar is supported between a valve-body upper cover and a mixed water outlet by the reset spring; the sliding bar is provided with an inner sleeve and an outer sleeve, and a water channel is formed between the inner sleeve and the outer sleeve; the upper part of the water mixer is distributed with a plurality of water inlet holes, and the lower part thereof is fixed at the upper end of the inner sleeve of the sliding bar; the spring pad is supported by the protection spring and positioned in the inner sleeve of the sliding bar; the thermo-sensitive element is arranged in the water mixer, the spring pad and the inner sleeve of the sliding bar in sequence in a penetrating way; the upper end of the spring pad is matched with the thermo-sensitive in a contacting way; the upper part of the sliding bar, the upper cover and the external wall of the water mixer form a first water mixing cavity; and the internal wall of the upper part of the water mixer and the external wall of the thermo-sensitive element form a second water mixing cavity. Cold water and hot water are mixed for twice, thus improving the water mixing effect and achieving the purpose of controlling the stability of the water temperature. In addition, a sealing pad is arranged at the hot water end of the valve body, thus improving the performance of losing efficacy of cold water, and realizing excellent safety in use.

The invention provides a manufacturing method for temperature-changed water transfer printing. In the method, temperature-changed printing ink is prepared by mixing uniformly temperature-changed powder and a transparent polyester resin or a colored polyester resin according to a certain weight ratio, and a temperature-changed induction effect can be reflected on the printed material by water transfer printing without adding any hardener. By using the method, a pattern or some part of the pattern can realize temperature-changed induction, and can be combined with the printed material so as to achieve permanent wear resistance and especially favorable resistance to water boiling, water washing and acid and alkali solvent wiping. After the pattern is transferred on the surface of the printed material, the hand feeling is smooth, and the color is brilliant and bright. The method is especially applicable to transfer printing decoration on non-planar metal and glass utensils.

The invention relates to a low-temperature aromatic hydrocarbon oil road modified asphalt, and a preparation method thereof. The low-temperature aromatic hydrocarbon oil road modified asphalt is prepared from an asphalt modification component A, a modification component B, and the like, and weight ratio of the asphalt modification component A to the modification component B is 20-25:80-75; EVA is shorted for ethylene/vinyl acetate copolymer; the content of VA is 41%. According to the preparation method, asphalt is delivered into a constant temperature modification device, and is heated to 165 DEG C; 3% of EVA, 0.2% of an aromatic hydrocarbon oil, an asphalt diluent, the asphalt modification component A, the modification component B, a cross-linking agent, and a catalyst are added; and an obtained mixture is subjected to 2.5h of Shear mixing using an agitator tank for modification at a temperature is controlled to be 165 to 170. Advantages of the preparation method are that: cheap coal and coke are taken as the asphalt modifiers, and traditional physical method is used for modifying common asphalt, so that high and low temperature performance of asphalt is improved greatly, combination with existing technology can be realized without adding any novel equipment, and cost of asphalt modification with coal and coke is reduced greatly.

The invention discloses a preparation method for a rubber asphalt modifier. The preparation method comprises the following steps: 1) removing metal, fiber and foreign materials in waste and old rubber and then crushing the waste and old rubber into small-grain flocculent rubber powder; 2) carrying out activation, desulphurization and regeneration on the flocculent rubber powder obtained in the step 1) by using microwave radiation; 3) placing the regenerated rubber powder obtained in the step 2) in an enclosed agitator tank, spraying heated abietic acid type resin acid and carrying out a reaction; and 4) after completion of the reaction in the step 3), carrying out cooling so as to prepare the rubber asphalt modifier. The rubber asphalt modifier can effectively reduce viscosity of modified asphalt in production, decreases production temperature of the modified asphalt, energy consumption and pollution, improves mechanical properties like anti-stripping performance of rubber asphalt and enhances compatibility and temperature-sensitive performance of the modified asphalt.

The invention provides a high-accuracy wall temperature measuring device. The high-accuracy wall temperature measuring device comprises a base part, a probe part and a metal guide tube, wherein the tail end of the metal guide tube is elastically connected with the base part, while the front end of the metal guide tube is movably connected with the probe part; the probe part comprises a metal wire tube, a probe body, a temperature-sensing element and a metal contact piece, all of which are orderly and fixedly connected with each other, and wherein one end of the metal wire tube is nested into the metal guide tube and the other end of the metal wire tube is fixedly connected with the probe body. The high-accuracy wall temperature measuring device is fixed above the wall; the probe is kept into close contact with the wall by virtue of the elastic force of a spring in the probe base to measure the temperature of the wall; besides, the device is high in temperature sensing capability, high in output signal strength and high in measurement accuracy.

The invention relates to a thermosetting surgical knife device, mainly consisting of a main machine and a surgical knife assembly, wherein the surgical knife assembly is composed of a surgical knife blade and a surgical knife handle; the surgical knife blade is platelike; one side of the front end of the surgical knife blade is provided with a knife edge; the peripheral connected part of the knife edge is provided with a knife body which takes the shape of a multilayer plate; the substrate of the knife body is insulated; the knife body is composed of a heating piece, an insulated packaging layer and Teflon coating from inside to outside; an electrode is arranged at the rear part of the knife body, inserted into the front end of the surgical knife handle, and integrally fixedly connected with the same; an external heater and an external temperature sensor are attached to the exterior of the a surgical knife blade, and the external heater is a heating circuit; the heating piece is a looped heating strip; the knife blade surface adopts an external heating style that an external heating circuit is arranged at the outer part of the surgical knife blade surface, and controlled by an accurate control system composed of computer systems, so that the knife blade is warm but not electrified, and thereby the use safety of the surgical knife is ensured.

Modified asphalt is provided. The modified asphalt includes matrix asphalt and a modifier. The modifier includes palm fruit shell ash and waste engine oil. The palm fruit shell ash is ash generated after palm fruit shell is combusted. The waste engine oil is engine oil wasted after vehicle maintenance. A large amount of palm fruit shell is adopted, thus providing a beneficial supplement for the flourishing palm oil industry at present, reducing pollution caused by secondary treatment of the palm fruit shell ash and the waste engine oil, reducing the fuel using amount during modified asphalt production, and meeting the social requirements of energy conservation and emission reduction at present. A construction process is convenient, the cost is low, and the effective utilization rate is increased. The modified asphalt can be widely used in highway and building projects, and has significant economic benefit and social benefit.

The invention discloses a temperature sensor, an injection molding packaging mold and an injection molding packaging method. The part to be packaged of a sensor assembly is subjected to injection molding and packaging through the injection molding packaging method, and glue is injected into the part to be packaged of the sensor assembly in a step-by-step glue filling mode to finally form a plasticshell capable of directly wrapping the part to be packaged, so that the packaging of the sensor assembly is completed. The injection molding packaging mold is used for achieving the injection moldingpackaging method. According to the temperature sensor, the plastic shell is formed through the injection molding packaging method so as to directly warp a temperature sensing element, the connectingpoint between the temperature sensing element and a cable A and the periphery of the cable A. Therefore, the appearance consistency is good, the cost is reduced, the hidden danger of water leakage isreduced, the temperature sensing performance is improved, and the damage to the temperature sensing element caused by misoperation in assembly and glue filling process is reduced.

The invention relates to a photonic crystal fiber temperature sensor and a measuring method thereof. Light emitted by a wide-spectrum light source is divided into two beams of coherent light through a 3dB coupler, the two beams of coherent light are transmitted along opposite light paths in a photonic crystal fiber and then enter a spectrum analyzer through coherent superposition, an output spectrum is obtained, and the sensitivity of the temperature sensor is obtained according to the change relation of the formant peak value position of the transmission spectrum along with the movement of the temperature. According to the invention, the photonic crystal fiber is adopted, and the photonic crystal fiber has the excellent characteristics of infinite cutoff single-mode transmission characteristic, dispersion characteristic, large mode field area, high nonlinearity, birefringence characteristic and the like. Ethanol liquid is doped into the fiber core, so that the temperature sensing sensitivity is improved, a better temperature sensing effect can be achieved under a smaller sensing length, and integration and miniaturization are easy.

The invention discloses a novel high-strength and wear-resistant thermochromic glass milk bottle and a preparation process thereof. The milk bottle comprises a milk bottle body and a bottle cap, wherein the milk bottle body is in threaded and sealed connection with the bottle cap; a nipple connector in threaded and sealed connection with the bottom cap is arranged at the upper end of the bottle cap and is connected with a nipple in a sealed manner; a thermochromic groove is vertically formed in the milk bottle body, and a plurality of thermochromic parts are arranged in the thermochromic groove in parallel in the longitudinal direction. The milk bottle is simple in structure and can conveniently, quickly and accurately sense the temperature in the bottle milk, the safety is improved when a baby drinks milk in the milk bottle, and besides, the milk bottle prepared with the preparation process has high strength, high thermal resistance, good wear resistance and high production efficiency.

The invention provides a cooling device for an engine, which is provided with a thermostat at the cooling water outlet of the engine, and at the same time, the water inlet pipe of the heater is connected with the cooling water outlet to maintain the temperature sensitivity of the thermostat at a high degree, and make the thermostat The thermostat of the cooling water outlet and the connection structure of the radiator water inlet pipe and the heater water inlet pipe become simple and compact. According to the engine cooling device of the present invention, the cooling water flowing out from the engine is provided to the radiator through the thermostat and the radiator water inlet pipe, and at the same time provided to the heater through the heater water inlet pipe, it is characterized in that the cooling device includes a throttle Thermostat connector, the thermostat connector includes a connecting conduit, the connecting conduit is detachably assembled on the engine body, in the connecting conduit, the radiator connecting channel and the heater connecting channel are integrally formed, and the radiator connecting channel is set There is a thermostat and it is connected to the radiator water inlet pipe, while the heater connection channel is connected to the heater water inlet pipe.

The invention relates to the technical field of building designing, in particular to a concave curved-roof-surface waterproof structure and a construction technology thereof. The concave curved-roof-surface waterproof structure comprises a waterproof structure body, a concrete layer is arranged at the bottom of the waterproof structure body, a waterproof layer is connected to the top face of the concrete layer, a heat preservation layer is arranged on the top face of the waterproof layer, a rigid waterproof layer is arranged on the top face of the heat preservation layer, and a house decorating layer is connected to the top face of the rigid waterproof layer. The construction technology of the waterproof structure body includes the following steps that steel is rolled, a steel frame is placed, concrete is poured, the top face of the concrete is poured into a concave curved structure after fine building, the waterproof layer is laid, the heat preservation layer is sprayed, concrete is poured, and the decorating layer is laid. According to the concave curved-roof-surface waterproof structure and the construction technology thereof, the waterproof layer is directly arranged on the concrete structure layer, construction is simple, the construction procedure is simple, and the waterproof effect of the curved roof surface is good.

Disclosed is a asphalt mixture, in particular a modified asphalt mixture suitable for pavement in highway tunnel and capable of causing flame-proof effect, which comprises ground substance asphalt, plasticoelastic member, inactive filler, bittern combustion inhibitor, hydrate of metallic oxide and combustion inhibitor containing aza rings.

The invention discloses a refrigerator. The refrigerator comprises a body, a door body, a refrigerating chamber evaporator, a temperature induced tube and a compensating heater, wherein a refrigerating chamber and a freezing chamber are defined in the body; the door body is installed on the body; the refrigerating chamber evaporator is arranged in the refrigerating chamber; the temperature induced tube is adjacent to the refrigerating chamber evaporator and is used for detecting the surface temperature of the refrigerating chamber evaporator; and the compensating heater is arranged on the temperature induced tube and is used for heating the refrigerating chamber when the temperature of the external environment in which the refrigerator is positioned is lower than the preset threshold. The refrigerator has the following advantages that: by arranging the compensating heater on the temperature induced tube, sealing between the periphery of the compensating heater and the refrigerating chamber evaporator and the temperature induced tube can be realized and then void sticking and covering and foaming agent leakage between the compensating heater and the evaporator can be avoided, thus improving the heating efficiency of the refrigerator and reducing the heat losses.

A human head wearing physical cooling device ice belt comprise a cold guide plate, soft gel, a wearing belt, a water bag, temperature sensors and Velcro tapes. The ice belt is characterized in that the feature that the soft gel is made of plastic is utilized, grooves and holes are formed in the cold guide plate, and the cold guide plate is injected into the soft gel directly by the injection molding machining process; the feature that the wearing belt and the soft gel are made of plastic is utilized, and the wearing belt and the soft gel are welded by the high frequency or ultrasonic welding machining process; holes are formed in left and right sides of the cold guide plate, and the soft gel penetrates the holes to form blind holes for installing the temperature sensors; a water injecting pipe and a plug are arranged on one side of the water bag independently for water injection; the Velcro tapes are arranged on left and right belt units to wear a product. By the aid of the human head wearing physical cooling device ice belt, the product reliability, temperature sensing effect, practicality and wearing comfort are improved comprehensively.