17results about How to "Rapid temperature control" patented technology

The invention discloses a method and device for simultaneously detecting qnr1, qnr2 and qnr3 and application. A sample is irradiated by a coaxial reflection LED light source outside 808nm, a sensitizer Sb2WO6 coated NiS provides photoelectrons and heat for LAMP through light driving, a target gene is used as a template to initiate an amplification reaction, and a large number of double-chain DNALAMP light induction products are obtained. Sb2WO6 (at) NiS is modified by a nucleic acid chain to obtain a signal probe, an LAMP light-induced product and the signal probe are captured by a detection region in a sandwich form, a photo-thermal temperature change signal positively related to the content of the LAMP light-induced product is given, and qnr1, qnr2 and qnr3 in a sample are quantified according to the temperature change signal. Photoelectron and photothermal effects are generated by using the photoinduced activity of the sensitizer Sb2WO6 at NiS, the temperature is rapidly controlled, the sensitizer is in direct contact with an amplification system on a molecular level, then photothermal analysis test paper color development detection is performed, and the photothermal efficiency is remarkably improved.

The utility model discloses a nut baking production line's self -adaptation temperature control turnover mechanism relates to temperature control turnover mechanism field, including baking cylinder and power axle, is provided with first auxiliary support on power axle, is provided with second auxiliary support on first auxiliary support, power axle, first auxiliary support and second auxiliary support are all hollow circular tubular structure, and power axle, first auxiliary support and second auxiliary support are sequentially communicated and set up. The utility model temperature sensor can be used for monitoring the temperature of the corresponding area in the baking cylinder, especially the temperature of the position that is not easy to measure in the nut material stack, when the corresponding temperature sensor monitors that the temperature is too high, then this information is fed back to the control chip in the electrical cabinet that is matched and is arranged outside the baking cylinder, and the control chip controls the electromagnetic valve of the corresponding position to close, so that the hot gas no longer discharges through the second auxiliary support of this position, reaches the purpose of quick temperature control, solves the problem that even temperature control can not control the temperature in the nut material stack in the prior art.

The invention discloses a real gas flow high and low temperature verification system, which is characterized by comprising a verification real gas circulation loop, a real gas supply system, a standard module, a verification module and a flow driving regulation and control module, the device further comprises a temperature adjusting system and a verification control system. The real gas supply system is used for continuously outputting gas for verification used in the verification process, and an electric control valve is installed on a gas conveying pipeline at the output end of the real gas supply system. The etalon module comprises a standard meter; the verification module comprises at least one detected station which is connected in series; the flow driving regulation and control module comprises a fan and a flow regulation sonic nozzle group which are hermetically connected in series in the verification real gas circulation loop and are both adjustable in speed; the fan is a circulating fan, a centrifugal fan or an axial flow fan; the flow adjusting sonic nozzle set is composed of a plurality of critical flow venturi sonic nozzles which are connected in parallel and have multiple specifications of flow. The temperature control module is used for regulating and controlling the temperature of a conveying gas medium in the verification real gas circulation loop and the temperature of the environment where the verification module and the etalon module are located; and the verification control system is used for controlling the real gas supply system, the flow driving regulation and control module and the temperature control module.

The invention relates to the field of shoe material forming equipment, in particular to outsole hot-pressing equipment for shoes, an extrusion part comprises a second bottom plate and a heating plate which is mounted in the second bottom plate and moves up and down, the heating plate moves up and down through a first adjuster mounted at the top of the second bottom plate, and a base plate matched with a sliding rod is arranged on the side edge of the second bottom plate; a push frame is further installed at the top of the second bottom plate, the second bottom plate is connected with a push rod through the push frame, the improved device drives the second bottom plate to move up and down through a first adjustor, the contact time between the heating plate and the second bottom plate is controlled, and then temperature control is conducted quickly, and ribs matched with guide grooves and joint grooves are arranged on the surface of the second bottom plate. The first hot plate and the second hot plate can move under the control of the second adjustor, the use intensity of the second bottom plate can be improved, the second adjustor is used for controlling the movement of the first hot plate and the second hot plate to change the center of a heat source, and the temperature control device can be suitable for temperature control of different areas between molds.

The utility model relates to the technical field of catering equipment, and discloses a liquid circulating cooking barrel. The liquid circulation cooking barrel comprises a heating barrel, a barrel cover is arranged at the top of the heating barrel, a heating cavity and a ventilation cavity located below the heating cavity are formed in the heating barrel, a fan communicated with the ventilation cavity is arranged on the front side of the heating barrel, and ventilation holes communicated with the ventilation cavity are formed in the rear side of the heating barrel. The device has the advantages of being rapid in temperature control and the like, and solves the problems that in the prior art, a cooking barrel can only be simply heated, constant temperature can only be achieved through staged heating, and if the temperature is too high, the cooking barrel can not be heated, and the cooking barrel can not be heated. The problems that heating can only be stopped to lower the temperature, but the lowering process is slow, and some white cut products paying attention to the taste are poor in taste due to too high temperature are solved.

This utility model relates to the field of liquid preparation device technology, specifically a liquid preparation device for the preparation of epoxy-terminated allyl alcohol ethers. It includes a reaction vessel body, a rotating shaft, a first flow chamber, a second flow chamber, stirring blades, and a liquid outlet mechanism. The rotating shaft is rotatably connected to the top cover of the reaction vessel body via a drive mechanism. The output end of the input valve extends into the first flow chamber. Multiple sets of stirring blades are evenly installed on both sides of the outer circumference of the rotating shaft. The liquid outlet mechanism is located at the bottom of the reaction vessel body. This utility model, through the arrangement of the rotating shaft, stirring blades, and stirring plates, facilitates uniform stirring of the raw material liquid in the reaction vessel body. Simultaneously, the arrangement of the rotating shaft, first flow chamber, second flow chamber, stirring blades, and liquid outlet mechanism ensures that the temperature control medium fully contacts the raw material liquid in the reaction vessel body through the stirring blades, enabling rapid temperature control, reducing the impact of temperature anomalies on liquid preparation, and improving the quality and efficiency of epoxy-terminated allyl alcohol ether preparation.

The invention provides a photovoltaic air conditioner and a control method and device thereof, a storage medium and a program product. The method comprises the steps that in a dehumidification mode, the frequency of a compressor, the rotating speed of an outer draught fan and the rotating speed of an inner draught fan are controlled according to the humidity difference value between the indoor environment humidity and the set humidity; in the temperature control dehumidification mode, the photovoltaic air conditioner is controlled to operate according to the photovoltaic generating capacity of the photovoltaic air conditioner and / or the battery capacity of the photovoltaic air conditioner; and under the refrigeration mode or the heating mode, according to the indoor environment temperature and the set temperature, the photovoltaic generating capacity of the photovoltaic air conditioner and / or the battery capacity of the photovoltaic air conditioner are / is combined to control the photovoltaic air conditioner to operate. According to the scheme provided by the invention, photovoltaic clean energy can be fully utilized, and energy consumption is reduced while the use comfort of a user is ensured.

The utility model discloses a kind of reaction systems for organic peroxidation, belong to chemical experiment equipment technical field.It includes reaction unit and stirring unit, reaction unit includes reaction cavity, it is used to accommodate reactant in it, stirring unit inserts reaction cavity, the reactant in reaction cavity is stirred, further include foam collecting unit, the foam collecting unit includes foam collection chamber, foam drainage pipe and foam trapping tank, the foam collection chamber is fixed in reaction cavity inner wall, foam drainage pipe one end communicates foam collection chamber inside, foam drainage pipe other end connects foam trapping tank, wherein, the nozzle of foam drainage pipe is towards the notch of foam trapping tank, reaction end line is set on foam collection chamber.The utility model aims at accurate judgment reaction end.

The invention provides a reflow soldering selective temperature control device and method based on neural network PID control, and relates to the technical field of selective temperature control, visual scanning monitoring of distribution of elements with different heat capacities is carried out on a PCB, temperature field data is acquired from visual scanning information, and real-time element size information of a preset key area is extracted; performing control quantity analysis, and outputting the control quantity of the independent temperature control module corresponding to the preset key area; carrying out selective temperature compensation analysis on a preset key area, carrying out selective temperature compensation control according to compensation analysis data, carrying out adjustment analysis on adjustment parameters of a micro heater, carrying out parameter adjustment control on the micro heater according to adjustment analysis data, and obtaining selective temperature control data; dynamic and accurate local temperature compensation can be realized for elements with different heat capacities on the same PCB, so that the temperature difference between the elements is remarkably reduced, and welding defects caused by different heat capacities of large and small elements are avoided.

The invention discloses a method and a device for light-driven amplification-photothermal analysis of sul1, sul2 and sul3, a sample is irradiated by a coaxial reflection LED light source outside 808nm, a light activator Sb2MoO6 at-NiFeS2 provides photoelectrons and heat for LAMP through light driving, a target gene is used as a template to initiate an amplification reaction, and a large number of double-stranded DNA amplification products are obtained. Sb2MoO6-coated NiFeS2 is modified by a nucleic acid chain to obtain a signal probe, an amplification product and the signal probe are captured by a photo-thermal lateral flow chromatography test paper detection area in a sandwich form, a photo-thermal temperature change signal positively correlated with the content of the amplification product is given, and sul1, sul2 and sul3 in a sample are quantified according to the photo-thermal temperature change signal. Photoelectron and photothermal effects are generated by using the photoactivity of the photoactivator Sb2MoO6-coated NiFeS2, the temperature is quickly controlled, the photoactivator is in direct contact with an LAMP system on a molecular level, and then photothermal lateral flow chromatography test paper color development detection is performed, so that the photothermal efficiency is remarkably improved.

The invention discloses a method and a device for simultaneously detecting aroA1, aroA2 and aroA3 and application, a sample tube is simultaneously irradiated by a coaxial reflection LED light source outside 808nm, a photosensitizer CsYF4 (at) Yb2O3 provides photoelectrons and heat for LAMP (loop-mediated isothermal amplification) through light triggering, a target gene is used as a template to initiate an amplification reaction, and a large number of double-stranded DNA (deoxyribonucleic acid) products are obtained. A nucleic acid chain is used for modifying CsYF4 (at) Yb2O3 to obtain a signal probe, a photothermal detection test paper detection area captures an amplification product and the signal probe in a sandwich form, a photothermal temperature change signal positively related to the content of the amplification product is given, and the aroA1, aroA2 and aroA3 in a sample are quantified according to the temperature change signal. Photoelectron and photothermal effects are generated by using the photoactivity of the photosensitizer CsYF4 (at) Yb2O3, the temperature is rapidly controlled, the photosensitizer is in direct contact with an amplification system on a molecular level, and then photothermal detection test paper detection is performed, so that the photothermal efficiency is remarkably improved.

The invention relates to the technical field of cold and hot air converters, and discloses a cold and hot air converter which comprises two end shells, a plurality of connecting shells are arranged on the inner sides of the two end shells, heat exchange assemblies are arranged on the inner sides of the end shells and the inner sides of the connecting shells correspondingly, and each heat exchange assembly comprises a heat exchange unit. The two ends of each heat exchange unit are provided with a heat carrier flowing cavity and a heat exchange fluid flowing cavity respectively, the heat carrier flowing cavity and the heat exchange fluid flowing cavity between every two adjacent heat exchange units are communicated with each other, and distribution assemblies are arranged on the two end shells. The distribution assembly comprises a three-way pipe arranged at the end, away from the connecting shell, of the end shell. Through the connecting shell, the end shell, the connecting shell, the heat exchange assembly, the communicating assembly, the distribution assembly, the three-way valve and the temperature sensing probe, rapid and accurate temperature control and efficient heat exchange are achieved, meanwhile, energy consumption is reduced, temperature stability is improved, the equipment size is reduced, and maintenance convenience is enhanced.

The invention provides an analysis method for screening fetus trisomy 21 syndrome, and belongs to the technical field of inspection and detection.According to the method, methylated HLCS, C21orf25 and RASSF1A genes from placenta are detected at the same time, and the method comprises the following steps that methylation sensitive restriction enzyme cutting is conducted, specifically, after maternal peripheral blood is collected, DNA is extracted, and unmethylated CGCG loci are selectively cut through BstUI; light-driven amplification: carrying out isothermal amplification under the irradiation of an external coaxial reflection LED light source by utilizing a photosensitizer Bi2MoO6 (at) NiS, and initiating a multiple light-driven LAMP reaction by taking placenta-derived methylated HLCS, C21orf25 and RASSF1A genes in maternal peripheral blood as templates respectively, so as to obtain a double-chain structure DNA amplification product; detecting by using photo-thermal test paper: modifying Bi2MoO6 (at) NiS by using three nucleic acid chains to obtain three photo-thermal signal probes; and mixing the amplification product with a photo-thermal signal probe, and carrying out photo-thermal temperature change detection to obtain a photo-thermal temperature change signal positively correlated with the content of the amplification product. According to the analysis method disclosed by the invention, the simultaneous amplification and efficient detection of the HLCS, C21orf25 and RASSF1A genes of the placenta specific genes, namely the highly methylated CGCG site are realized.

The utility model relates to mixed device technical field discloses a kind of engine coolant compound raw material uniform mixing device, including reaction kettle outer tank, the upper inlet of the rear end top of the reaction kettle outer tank is provided with, the right side of the upper inlet is connected with water suction pump, the bottom of the water suction pump is connected with delivery pipe, the rear end bottom of the reaction kettle outer tank is provided with drain, the inside of the reaction kettle outer tank is provided with inner mixing tank, the outside of the inner mixing tank is equipped with temperature control coil pipe.The utility model is convenient to control temperature structure by setting, when using, water is sent to the temperature control coil pipe inside between reaction kettle outer tank and inner mixing tank by the upper inlet of the front end of reaction kettle outer tank by water suction pump, liquid heats or cools the inside of inner mixing tank in the inside of temperature control coil pipe, then liquid will be discharged by the drain of the rear end of reaction kettle outer tank, it is convenient to control temperature to the inside of inner mixing tank quickly, to realize the function of being convenient to control temperature.

The utility model provides a constant temperature control system of an oil chromatography on-line monitoring device, which comprises a base plate, a frame is fixedly arranged at the top of the base plate, a bearing plate is fixedly arranged at the top of the frame, a box body is fixedly arranged at the top of the bearing plate, and a driving mechanism is arranged at the rear end of the box body. A bearing mechanism is fixedly installed on the front face, located in the box body, of the driving mechanism. According to the device, the driving mechanism is matched with the bearing mechanism, the use efficiency of the device can be further improved, and in the temperature control process during use, a driving motor drives a gear, a gear ring and a slip ring to rotate, so that the bearing mechanism rotates and drives the chromatographic column to rotate between an inner heating wire and an electric heating wire to realize uniform temperature rise, or the chromatographic column is in full contact with heat dissipation air to improve the heat dissipation effect; the closed door on the front side of the box body is fixed through the locking screw rod, when the chromatographic column needs to be taken and placed, the screw rod is loosened, the sliding plate is pulled out, and the bearing net cylinder can be conveniently assembled and disassembled, so that the operation process is simplified and the convenience and flexibility of device use are enhanced.

The short-time accurate thermal control system comprises a liquid storage device, one end of the liquid storage device is communicated with the inlet end of a working medium conveying pump, the other end of the liquid storage device is communicated with a temperature control valve, and the outlet end of the working medium conveying pump is communicated with the inlet end of a flow channel of the high-power device. The flow channel outlet end of the high-power device is communicated with the temperature control valve; the temperature control valve is further communicated with one end of the working medium reflux pump, the other end of the working medium reflux pump is communicated with one end of the cold box, and the other end of the cold box is communicated with the heat dissipation assembly; and a one-way valve is arranged between the flow channel outlet end of the high-power device and the temperature control valve. According to the short-time accurate thermal control system for the high-power device, different flow requirements can be met for different high-power devices, the flow and the flow velocity of a working medium are controllable, meanwhile, the temperature of the inlet end of a flow channel of the high-power device and the temperature of the outlet end of the flow channel of the high-power device are controlled to be constant, and accurate temperature control is achieved.

This utility model discloses an automatic continuous feeding and temperature control device for alkylation reactions, relating to the field of alkylation reaction technology. The upper end of the feed pipe is connected to a spiral feeding pipe. A feeding motor is installed on one side of the spiral feeding pipe, and a material box is mounted on the upper surface of the spiral feeding pipe. An mounting plate is screwed onto the upper surface of the material box. An electric lifting rod is installed on the upper surface of the mounting plate, and a lifting plate is installed below the mounting plate. Anti-blocking rods are symmetrically arranged on the lower surface of the lifting plate. A heating plate is installed on the lower surface of the reactor body. Heating tubes are symmetrically arranged inside the reactor body on the upper surface of the heating plate, and a heating disc is installed inside the heating plate. The operation of the electric lifting rod allows the anti-blocking rods to move up and down inside the material box, thus preventing blockage of the material box's discharge port and avoiding disruption to continuous feeding.