82results about How to "Wide range of temperature control" patented technology

The invention discloses a micro temperature-sensitive magnetic control switch which comprises an upper shell and a rotary sliding sleeve. wherein the upper shell is internally provided with a soft magnet which is made of temperature-sensitive ferrite materials; a hard magnet is arranged below the soft magnet; a spring is arranged between the soft magnet and the hard magnet; the upper end of the spring is connected with the soft magnet; the lower end of the spring is connected with the hard magnet; a heat conduction outer shell tightly contacts above the soft magnet; a connecting rod stretches into the inside of the upper shell from the bottom of the upper shell and is fixedly connected with the hard magnet; the rotary sliding sleeve is internally provided with an electric conducting sheet; an electric conducting elastic sheet is arranged dead below the electric conducting sheet in a tight matched mode; the electric conducting sheet and the electric conducting elastic sheet are respectively connected with a wiring terminal; the connecting rod stretches into the rotary sliding sleeve and is tightly matched with the electric conducting elastic sheet; when the connecting rod leaves away the electric conducting elastic sheet, the electric conducting sheet contacts with a contact point on the electric conducting elastic sheet, thus the whole circuit is conducted; and when the connecting rod moves downward and pushes the electric conducting elastic sheet to move downward, and the electric conducting sheet is separated from the contact point on the electric conducting elastic sheet, thus the whole circuit is disconnected. According to the invention, the temperature control sensitivity is high, the performance is stable, and the temperature control accuracy is high.

The temperature control device for fast heating and cooling plastic mold includes one heating unit, one cooling unit, one high temperature power unit, one low temperature power unit, one loop control switch and one control unit. The heating unit, the high temperature power unit and the plastic mold are connected by pipeline filled with heating medium and equipped with control switches to form one circular heating loop; the cooling unit, the low temperature power unit and the plastic mold are connected by pipeline filled with cooling medium and equipped with control switches to form one circular cooling loop; and the control unit is connected electrically to the heating unit, the cooling unit and the control switches. The present invention can fast timely mold heating and cooling, wide temperature control range, high control precision and capacity of producing high quality plastic product.

The invention provides a temperature control device and method applicable to an automobile head-up display device. The temperature control device comprises an upper plastic housing, a lower metal housing, a semiconductor cooler, a fan, cooling fins, a heat-conducting adhesive, temperature sensors and a control circuit, wherein the control circuit is located on a main circuit board, one side of the semiconductor cooler is bonded with a core display chip on the main circuit board through the heat-conducting adhesive, the other side of the semiconductor cooler is bonded with the lower metal housing through the heat-conducting adhesive, and the control circuit is connected with the temperature sensors, the fan and the semiconductor cooler respectively. The invention further provides a method utilizing the device to perform temperature control. The temperature control device has the advantages of being simple in structure, wide in temperature control range, high in response speed, low in overall cost and the like.

An electronic silicone oil fan clutch comprises a shell, a front cover, an oil storage cover, a driving shaft plugged in the shell and a driving board arranged on the driving shaft, and is characterized by also comprising a valve ring, a mandril, a resetting member and an electromagnetic valve; the valve ring is fixed on the tail of the mandril, axially penetrates through the hollow driving shaft and moves back and forth; the electromagnetic valve is connected with an engine electronic control unit by a wire bundle, generates magnetic field after powered up to suck the mandril to move forwards to realize control on openness degree of the oil outlet hole by the valve ring. Compared with the prior art, the invention has the advantages that various information is collected by the electronic control unit through preset parameters, according to the magnitude of current transmitted by the electronic control unit, the clutch generates a magnetic field corresponding to the magnitude, so that the mandril drives the valve block to move to realize connection and disconnection of silicone oil between an oil storage cavity and a meshing cavity, thus being capable of notifying in advance, and having the advantages of fast response, little influence by external, diverse control factors and high control preciseness.

The invention discloses a method for repairing damage to a broken rubber conveying belt and a heating device thereof and belongs to the technical field of conveying belt repairing. In order to solve technical problems, the invention provides the method for repairing the broken rubber conveying belt and the heating device thereof, which are not limited by the environment temperature, only need lowtemperature heating and are convenient to operate. The invention adopts a technical scheme that the method for repairing the broken rubber conveying belt comprises the following steps of: polishing, conveying belt surface chemical treatment, adhesive coating, heating to activate adhesiveness, bonding, rolling and hammering. In the heating device for performing the method for repairing the broken rubber conveying belt, both a reflecting plate and a shell are n-shaped; the reflecting plate is positioned in the shell; a heating body is arranged at the top in the reflecting plate; two aluminium angle steels are symmetrically arranged below the shell and the reflecting plate; a protective net is arranged below the aluminium angle steels; one end of the side surface of the shell is a control area; and a switch is arranged in the control area. The method and the device can be popularized and applied to the repairing the broken conveying belt.

The invention discloses a control system applicable to wide temperature ranges of surface source black bodies under a vacuum condition. The control system comprises a temperature control instrument, a program-controlled power supply, a temperature sensor, a refrigerating plant, a heating sheet and a surface source black body radiation source; the heating sheet and the temperature control instrument are respectively arranged on the surface source black body radiation source, a first control signal output end of the temperature control instrument is connected with the heating sheet by the program-controlled power supply, a second control signal output end of the temperature control instrument is connected with a control end of the refrigerating plant, and the refrigerating plant is connected with the surface source black body radiation source; the temperature sensor is connected with a signal input end of the temperature control instrument. The control system has the advantages that the temperature control ranges of the surface source black bodies can be effectively expanded by the aid of the control system, particularly, a control temperature lower limit of each surface source black body can reach 190K owing to a refrigerating mode, and a vacuum low-temperature infrared radiation standard source can be vividly simulated.

A precise temperature control instrument belongs to the instrument for biological experiments, in particular to a device whose partial environmental temperature is precisely measured and controlled. The purpose of the invention is that the invention is suitable for being looked at under a microscope, and the invention has the advantages of refined circuit, excellent stability, and simple control. The invention comprises an AD transformation circuit, a data processing unit, a DA transformation circuit, an electric current drive amplifying circuit, and a heating and cooling device. The heating and cooling device comprises a culture dish, a carrier of the culture dish, a lower plate of the carrier, a clamping piece of the culture dish, and a freezing plate of a semi-conductor. The invention solves a problem of real-time control of a temperature condition under the viewing field of the microscope, and the invention provides an accurate temperature environment in order to research biology such as nematodes and the like, and the control precision can research +_ 0.2 degrees, the invention can simultaneously achieves heating and cooling, which greatly widen a temperature control range, and the invention is applicable in various life science researches which needs to be accurately controlled, in particular to research a warmth sensation mechanism of nematodes.

The invention relates to a semiconductor refrigeration vacuum freezing dryer capable of realizing energy recovery. The semiconductor refrigeration vacuum freezing dryer capable of realizing energy recovery comprises an annular side wall, a temperature equalizing plate, a semiconductor refrigerator, a water catcher, a water-cooling radiator, a material chamber, a vacuum chamber, a vacuum meter, a thermostat, a controllable power supply, a vacuum pump and a valve. By adopting a semiconductor refrigerating/heating mode and according to the characteristic of energy consumption in the freeze-drying process, heat released from the freezing process is used for defrosting/deicing and heat released from the condensation process is used as heat of sublimation. The semiconductor refrigeration vacuum freezing dryer capable of realizing energy recovery has the advantages of saving energy by over 30 percent through energy recovery and complementation at different stages, saving freeze-drying time by over 20 percent, effectively improving drying capacity, expanding application and having advantages when applied in the fields of experiments, process research, underbrush and the like, along with simple and compact system, flexibility, convenience, wide temperature controlling range and rapid response.

The invention discloses a high low temperature cycle control system comprising a refrigeration medium source, a flow control valve, a temperature control device, a tested device, a blower fan and a control unit; the refrigeration medium source, the flow control valve, the temperature control device, the blower fan and the tested device are connected in serial in sequence; the refrigeration medium source is used for providing a refrigeration medium so as to change the temperature of the tested device; the temperature control device comprises a heating unit and a convey unit used for conveying the refrigeration medium; the heating unit is used for heating the convey unit so as to convey the refrigeration medium; the input end of the convey unit is connected with the flow control valve; the output end of the convey unit is connected with the input end of the tested device; the output end of the tested device is also connected with the input end of the refrigeration medium convey unit; the system and method are wide in temperature control scope, can adjust the temperature in a range from -175 to 150 DEG C, and can precisely control the temperature rising speed or dropping speed.

The invention provides a method for solving wrinkle of a dried separator of a lithium ion battery. The method comprises a first scheme or a second scheme. The first scheme comprises the following steps of pouring a solvent into a processing pool, maintaining constant temperature of the processing pool and constant height of a liquid level, immersing the separator before cutting in the solvent, allowing the separator to pass through the processing pool at a constant speed, performing drying, and obtaining after drying is completed. The second scheme comprises the following steps of pouring thesolvent into the processing pool, maintaining constant temperature of the processing pool and constant height of the liquid level, immersing a battery lamination piece or the separator before windingin the solvent, allowing the separator to pass through the processing pool at the constant speed, performing drying, and obtaining after drying is completed. The solvents in the first scheme and the second scheme are same or different. The method for solving the wrinkle of the dried separator of the lithium ion battery is relatively wide in processing time and temperature control range, the selection surface of the processing solvent is relatively wide, the solvent can be recycled, and the process is simple and is relatively mature.

The invention relates to a method for producing high-purity ammonium vanadate through low-temperature precipitation. A mixture of vanadium-containing materials, vanadium residues and vanadium precipitation bottom residues is taken as a vanadium-containing raw material and mixed with sodium salt and precipitation mother liquor uniformly for aging, and a clinker is obtained through sodium roasting; the clinker is treated at a leaching stage and leached, and a vanadium solution is obtained; calcium chloride is added to the vanadium solution for phosphorus removal, ammonium polyvanadate crystals are obtained after precipitation, filtration and washing and then calcined, and vanadium pentoxide is obtained. The method has the advantages as follows: the process is simple, reasonable and easy to operate, vanadium-containing waste residues are taken as the raw material, the cost is low, and waste recycling is realized; no industrial wastewater is drained in the whole production process, environmental protection requirements are met, and the produced product has high purity and good yield.

Disclosed in the invention is a temperature control system comprising a control unit, a drive module, a thermoelectric cooler (TEC), and a ceramic heating plate. The control unit, the TEC, and the ceramic heating plate are connected with the drive module; and the TEC and the ceramic heating plate are connected with a controlled object. The control unit is used for obtaining a real-time temperature value of the controlled object, obtaining a temperature control signal according to the real-time temperature value and a target temperature value, and sending the temperature control signal to the drive module. The drive module is used for driving the TEC based on the temperature control signal to enable the TEC to cooling the controlled object or is used for driving the ceramic heating plate according to the temperature control signal to enable the ceramic heating plate to heat the controlled object. According to the invention, the temperature of the controlled object is controlled under the joint effect of the TEC and the ceramic heating plate. Compared with the way of controlling the temperature of the controlled object by cooling and heating of the TEC in the prior art, the provided temperature control system has advantages of high control precision and wide temperature control range.

The invention discloses an industrial constant-temperature film developer which comprises a cuboid-shaped mainframe box, a console, a developing tank, a developing stop tank, a fixing tank, a rinsing tank, a film viewing illuminator and a darkroom red lamp, wherein the console is arranged on the upper end surface of the mainframe box, the film viewing illuminator and the darkroom red lamp are arranged on the console, the developing tank comprises a developing box body, a cooling tube arranged on the side wall of a first box body and a first heating tube arranged at the bottom of the developing box body, the developing stop tank comprises a second box body, the fixing tank comprises a third box body and a second heating tube arranged at the bottom of the third box body, the rinsing tank comprises a fourth box body, the first heating tube can be heated to the highest temperature of 120 DEG C, the lowest cooling temperature of the cooling tube is -40 DEG C, and the highest heating temperature of the second heating tube is 120 DEG C. According to the industrial constant-temperature film developer, the film viewing illuminator and the darkroom red lamp are additionally arranged on the console, the operation steps are simplified, and the production efficiency is improved; in addition, the temperature regulation scope is wide, so as to meet various film developing requirements.

The invention belongs to the field of air conditioners, and particularly provides an indoor unit of a suspension angle air conditioner. The indoor unit solves the problem of higher noise caused by higher rotating speed of an air supplier at the time of needing high-air-volume output by the indoor unit of the suspension angle air conditioner. The indoor unit of the suspension angle air conditionercomprises an outer shell; the outer shell is provided with an air inlet and an air outlet; a heat exchange channel is formed between the air inlet and the air outlet; and a heat exchanger and an air supplier are arranged in the heat exchange channel. The outer shell is provided with an air supply inlet; an air supply channel is formed between the air supply inlet and the heat exchange channel; andan air supply machine is arranged in the air supply channel. Through arrangement of the air supply channel, the air supply rotating speed of the air supplier is reduced, so that the noise is lowered.

The invention provides a device and method for measuring the heat conductivity coefficient of transformer insulating oil under a low-temperature condition, and the device can simulate the real working condition of the insulating oil in an extremely cold region, and comprises a closed container, a heat conductivity coefficient measurement instrument, a temperature and humidity sensor and a temperature and humidity regulation and control device. The closed container is provided with an experiment door, an objective table and a beaker, transformer insulating oil is contained in the beaker, and a probe of the heat conductivity coefficient measuring instrument is immersed in the insulating oil; and the temperature and humidity sensor is arranged in the closed container, the temperature and humidity regulation and control device comprises a cooling and heating device, a humidifying and dehumidifying device and a pipeline fan, and the temperature and humidity regulation and control device is communicated with the closed container through a pipeline. According to the measuring method, the humidity environment of the insulating oil is accurately controlled, the temperature is rapidly increased or decreased or the temperature and the temperature range are accurately controlled by reasonably arranging, regulating and controlling the refrigerating device, the heating device, the dehumidifying device and the humidifying device, the change condition of the heat conductivity coefficient of the insulating oil under different real working conditions is monitored, and reference is provided for measurement of the heat conductivity coefficient of the transformer oil under the low-temperature condition.

The invention relates to a device and method for testing the bonding strength of a composite pipe under the hot loading condition and belongs to the technical field of testing the bonding strength performance of a composite pipe. The device comprises a high-strength pressure-bearing frame, a pressure system, a heating and heat preservation box and an adjustable support. The pressure system is fixed in the high-strength pressure-bearing frame; a variable-diameter pressure head is inserted into the heating and heat preservation box; a composite pipe to be tested is placed on the variable-diameter pressure head; the upper end surface of the variable-diameter pressure head only makes contact with the lower end surface of an inner pipe of the composite pipe to be tested, and the height of the heating and heat preservation box body is basically flush with the upper end surface of a test pipe section; a heating and heat preservation box upper cover is covered to make the heating and heat preservation box upper cover contacted with the high-strength frame and the lower surface of the heating and heat preservation box upper cover only contacted with the upper end surface of an outer pipe ofthe composite pipe to be tested; a power source of the heating and heat preservation box is turned on to carry out heating till reaching a required test temperature, and the temperature is maintainedwhen the temperature is stable; pressure is loaded and change of pressure is observed; and when the pressure reaches the maximum and begins to drop significantly, it is indicated that shear failure has occurred to the composite pipe, and the pressure value in the process is recorded.

The invention discloses a temperature control system, a photoetching device and a temperature control method. The temperature control system comprises: a temperature control medium supply module whichis used for providing temperature control air flow for a cold and heat output module; the cold and heat output module which comprises a vortex tube in multi-stage series connection and is used for outputting cold and/or heat to a temperature control object; a temperature control detection module which is used for detecting temperature control parameters, wherein the temperature control parametersat least comprise cold air flow and cold air temperature corresponding to output cold and/or hot air flow and heat temperature corresponding to output heat and the temperature of the temperature control object; and a control module which is used for adjusting the cold air flow and the cold temperature and/or the hot air flow and the heat temperature according to the temperature control parametersso as to enable the temperature of the temperature control object to reach a target temperature. The system increases the output of cold or heat, enlarges the temperature control range of the vortextube, simultaneously carries out the rapid output of the heat and the cold and solves the problem of energy waste.

The invention relates to a full-function medical refrigerator with a turnable box body and dual control over cold and heat. The full-function medical refrigerator includes the box body, a refrigeration assembly, a heating assembly, a temperature control assembly and a remote control platform. The refrigeration assembly, the heating assembly and the temperature control assembly are all arranged inthe box body. The box body is internally provided with a liner. The liner is used for holding medicine. The refrigeration assembly is used for lowing the temperature of the liner. The heating assemblyis used for increasing the temperature of the liner. The refrigeration assembly and the heating assembly are both connected with the temperature control assembly. The temperature control assembly isused for monitoring the temperature of the liner and adjusting the refrigeration assembly or the heating assembly so as to keep the temperature of the liner within a preset range. The medical refrigerator of the invention can be turned over at will without stopping the refrigerator, has a large temperature adjustable range, can achieve both cooling and heating, and has the advantages of small size, low weight and wide application fields.

The invention provides a medium-carbon boron-containing steel which includes the chemical components in percentage by mass: 0.37% to 0.45% of C, 0.17% to 0.37% of Si, 0.60% to 0.90% of Mn, 0.020% to 0.060% of Al, 0.0008% to 0.0035% of B, 0.030% to 0.060% of Ti, less than or equal to 0.025% of P, less than or equal to 0.025% of S, less than or equal to 0.25% of Cr, less than or equal to 0.20% of Ni, less than or equal to 0.10% of Mo, less than or equal to 0.20% of Cu; and the balance of Fe and inevitable impurities. A controlled rolling and controlled cooling method suitable for online normalizing treatment for the medium-carbon boron-containing steel sequentially includes the following steps of heating, rough rolling, finish rolling, water cooling and cold bed slow cooling. The medium-carbon boron-containing steel can meet the requirements that the hardness is 190-220 HBW, the actual grain size is larger than or equal to grade 7, and the banded structure is smaller than or equal to grade 2.

The invention relates to a device and a method for heating and heat preserving of optical devices, in particular to a device and a method for temperature control of optical devices in operation at low temperature, which belong to the photoelectronic technical field. The device for heating and heat preserving of optical devices comprises a heater, a heat insulation layer, a waterproof coating, a cavity shell, a control circuit, a thermocouple, a heater lead and a thermocouple lead. Low-temperature heating of optical devices is controlled by the device and the method to enable the devices to operate normally in the low-temperature environment, and the problem that the optical devices cannot be used normally in severe environments is solved. Heating and heat preserving of the optical devices are automatically controlled by means of the control circuit to enable the optical devices to operate normally in a wide temperature range, and the device and the circuit have the advantage of wide temperature control range. The heat insulation layer I used for temperature isolation of the controlled optical device from an external environment, the waterproof coating is arranged outside the heat insulation layer and used for closing, and the cavity shell is used for packaging integrally, so that heating and heat preserving efficiency can be improved, and power consumption in heating and heat preserving is reduced.

The invention discloses a high-precision dynamically controllable temperature simulation device. The temperature simulation device is used for controlling the temperature of the spacecraft load; the temperature simulation device comprises vacuum cold black environment simulation equipment, a low-temperature platform, a radiation boundary temperature control structure and a conduction boundary temperature control structure. The conduction boundary temperature control structure is arranged on the low-temperature platform; the spacecraft load is arranged on the conduction boundary temperature control structure, the radiation boundary temperature control structure covers the spacecraft load, the radiation boundary temperature control structure and the conduction boundary temperature control structure cooperate to control the temperature of the spacecraft load, the temperature control modes are diversified, the temperature control range is large, and the temperature control precision is high. The radiation boundary temperature control structure and the conduction boundary temperature control structure are not in contact with each other and do not influence each other, so that the control logic is more convenient.