83results about How to "Rapid temperature control" patented technology

The invention designs an automatic temperature control circuit which has exact control, reliable and stable performance and complete protective measures, and is used for executing effective real time control on the temperature of a tube core of a pump laser in ASE broadband light source. The control device adopts the design proposal of a temperature control system based on Proportion Integration Differentiation (PID) control and pulse-width modulation (PWM) braking mechanism and realizes the designs by adopting a pure hardware circuit; the control device comprises a reference voltage circuit, a pumping tube core temperature testing circuit, a thermoelectric voltage amplifier circuit, a PID controller, a pumping refrigeration current limiting protective threshold set circuit, an efficient PWM control driver, a pumping semiconductor refrigerator and a pumping tube core temperature out-of-limit close protective circuit. The whole circuit has simple and compact design, high reliability as well as heating and refrigerating efficiency, and little self heating, thereby greatly reducing the power consumption and volume of a pumping temperature controller; as the control device has the complete protective function, when the temperature of the pumping tube core exceeds the set range of operating temperature, the circuit sends out the gang control signal to automatically close a drive circuit of the pumping. The pumping refrigeration current limiting protective circuit limits the refrigeration current within the range of the preset maximum refrigeration current range to prevent the pumping from being damaged.

The invention relates to a control method of an electronic cigarette and the electronic cigarette. The control method of the electronic cigarette includes the following steps that S1, the resistance value of a heating body when a start unit of the electronic cigarette is triggered for the first time is acquired through a resistance value detection unit, and the resistance value is stored as the initial resistance value of the heating body; S2, the target temperature of the heating body is acquired, and the target resistance value of the heating body is acquired according to the initial resistance value; S3, the first real-time resistance value corresponding to first preset time after the start unit is triggered every time is acquired, the resistance value change of the heating body withinthe first preset time is calculated, and whether the resistance value change is larger than a first preset value or not is determined; if yes, the input power of the heating body is switched off, andif not, S4 is executed; S4, the real-time resistance value of the heating body is acquired through the resistance value detection unit according to a preset rule, and then the input power of the heating body is controlled to enable the real-time resistance value of the heating body to be the target resistance value. Temperature control over the electronic cigarette can be rapidly carried out underthe condition that battery energy is saved, and meanwhile anti-dry-burning heating is achieved.

The present invention relates to an air conditioner for vehicle including a front seat air conditioning unit and a rear seat air conditioning unit. The rear seat air conditioning unit has a rear seat air conditioning casing provided with a rear seat evaporator disposed in generally horizontal direction to air flow passages therein, with a rear seat heater core disposed over the rear seat evaporator, with vent outlets and floor outlets disposed on the upper and lower portions of the exit end thereof for discharging the air flowing from the air conditioner to the rear seats of the vehicle, with a rear seat partition wall adapted to divide the air flow passages into two areas, with rear seat temperature doors disposed between the rear seat evaporator and the rear seat heater core, for adjusting the temperatures of the divided areas by the rear seat partition wall, with rear seat mode doors disposed adjacent to the vent outlets and the floor outlets for controlling the degree of opening of the vent outlets and the floor outlets, and with a rear seat blower housed at one side thereof for blowing the air to the rear seat air conditioning casing.

The invention provides a device and a method for detecting mechanical parameters of hydrate-containing sediments based on X-CT. The device comprises a reaction kettle, a shear loading unit, a back pressure control unit, an unloading pressure loading unit and a strain measurement unit, wherein the reaction kettle body is a beryllium or carbon fiber pressure-resistant pipe, and the two end are sealed with end covers; the outer side of the lower end cover is connected with an axial pressure loading counter-force mechanism; an upper sample adjusting cushion block, a sediment sample, a lower sampleadjusting cushion block and an axial pressure loading piston are arranged in the reaction kettle from top to bottom. According to the device and the method, high-pressure conditions required for synthesizing the methane hydrate are met, and the axial temperature of the sample can be precisely controlled, so that the sample is uniformly distributed; the sample preparation efficiency can be improved through the rapid temperature control, the sample size can be adjusted, and the purpose of controlling height-diameter ratios of the different samples is achieved; and the synchronous detection of astress-strain curve of the sediments containing the natural gas hydrate and the internal destructive microstructures of the sediments can be achieved, and the constant strain shearing and the constant stress creep tests can be realized.

The invention discloses a process hot air circulating device for a tobacco charging machine and a control method for the device. The hot air circulating passage of the device consists of a drum, a front drum chamber, a rear drum chamber and a conduit communicated with the front drum chamber and the rear drum chamber; the hot air circulating conduit is provided with an air supply pipe communicatedwith a radiator, the air supply pipe is provided with an air supply port with an electric angle actuator, an axial flow fan is arranged on the hot air circulating conduit and positioned between the front drum chamber and the air supply pipe, and the hot air circulating conduit is also provided with a temperature sensor; and the radiator is also connected with the electric angle actuator. The front drum chamber and the rear drum chamber are also communicated with an air pipe, and a dehumidifying fan is arranged on the air pipe. The air supply pipe is provided with a temperature sensor. The radiator is positioned below the drum. Compared with the circulating hot air control mode of the prior art, the device has the advantages of effectively preventing the radiator from scaling, improving the heat exchange efficiency of the radiator and adjusting the temperature of the process circulating hot air more effectively and quickly.

An anilox roller for flexographic printing machines, which comprises a sleeve cylinder rotatably supported about its own axis by the fixed structure of a flexographic printing machine, and an anilox sleeve, which has a tubular body provided, on its outer side wall, with an anilox surface which can be axially fitted on and removed from the sleeve cylinder. Forced circulation of a temperature control fluid within the tubular body is further provided.

The invention provides an automatic compensation method for supply air temperature of a variable-air-volume air conditioner. The automatic compensation method comprises the following steps: acquiringthe data of a terminal device by utilizing an air conditioning terminal controller; building am LS-SVR temperature imbalance prediction model, wherein the air conditioning terminal controller adopts cascade PID control; calculating a required air volume value and an air valve opening degree value according to a temperature set value and a measured temperature value; meanwhile, predicting whether aroom temperature is imbalanced according to the air conditioning terminal controller and sending a prediction result to an air conditioning set controller; and automatically setting and adjusting a set temperature of an electric water valve of a coiled tube of an air conditioning set by using the air conditioning unit controller so as to control the opening degree of the electric water valve by using a PID algorithm and compensate the supply air temperature ahead of time. The automatic compensation method provided by the invention has the beneficial effects of predicting the trend of the roomtemperature ahead of time, adjusting the opening degree of the water valve in time by resetting a supply air temperature control valve, preventing possible system shock caused by adjustment after thetemperature is over-adjusted traditionally, realizing control of the supply air temperature as required, realizing rapid temperature control and running comfortably.

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 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 and a heat exchanger, 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. The cabinet air conditioner disclosed by the invention can be effectively adjusted in air output and air output mode so that the temperature of indoor air can effectively and quickly reach a set temperature.

A particle sensor including a diaphragm, a diaphragm heater, and at least two measuring electrodes situated on the diaphragm, for electrical conductivity measurement, the diaphragm having a thickness of less than or equal to 50 μm, in order to allow a calorimetric particle quantity determination.

The present invention relates to an air conditioner for vehicle including a front seat air conditioning unit and a rear seat air conditioning unit. The rear seat air conditioning unit has a rear seat air conditioning casing provided with a rear seat evaporator disposed in generally horizontal direction to air flow passages therein, with a rear seat heater core disposed over the rear seat evaporator, with vent outlets and floor outlets disposed on the upper and lower portions of the exit end thereof for discharging the air flowing from the air conditioner to the rear seats of the vehicle, with a rear seat partition wall adapted to divide the air flow passages into two areas, with rear seat temperature doors disposed between the rear seat evaporator and the rear seat heater core, for adjusting the temperatures of the divided areas by the rear seat partition wall, with rear seat mode doors disposed adjacent to the vent outlets and the floor outlets for controlling the degree of opening of the vent outlets and the floor outlets, and with a rear seat blower housed at one side thereof for blowing the air to the rear seat air conditioning casing.

The invention discloses a feed grain drying machine convenient to operate and easy in temperature control. The feed grain drying machine comprises a drying box, a hot-air blower and a PLC controller, wherein a temperature controller is mounted inside the inner cavity of the drying box; a heating device is mounted on the left side of the bottom of the inner cavity of the drying box; a heating tube is communicated with the air outlet of the heating device; the air outlet of the hot-air blower is communicated with the heating tube and the air outlet of the heating device through pipelines respectively; an air outlet tube is communicated with the right side wall of the drying box; a filtering device is mounted at the air inlet of the hot-air blower; a drying conveying device is mounted inside the drying box; the drying conveying device comprises a rotating shaft, a convex ring disc, a connecting rod and a concave ring disc; a variable frequency motor is mounted on the top of the drying box. The feed grain drying machine convenient to operate and easy in temperature control has the advantages of simplicity in operation, rapid temperature control, high drying efficiency, energy conservation and the like, and is applicable to large-scale popularization.

Provided is a method for heating plastic preforms, wherein the plastic parison are transported along a predetermined transport path and are heated during this transport, wherein at least one first heating section with at least one first heating element as well as at least one second heating section with at least one second heating element is arranged along the transport path, by a first temperature measuring device an actual temperature of the plastic preforms is measured in or before a start region of the transport path, and as a function of this actual temperature of the plastic preforms the at least one first heating element is controlled in such a way that the plastic preforms reach a predetermined target temperature after heating by this at least one first heating element.

The invention relates to a temperature-controlled beverage holder (0) for vehicles for holding a beverage container (1), comprising, at least one temperature-control device (3) for controlling the temperature of the beverage container (1) at least one temperature-control fluid circuit (2) for controlling the temperature of the temperature-control device (3) by means of a temperature-control fluid, at least one first heat transfer device (21) for transferring heat flow between the temperature-control device (3) and the temperature-control fluid circuit (2), and at least one temporary fluid reservoir (23) for temporarily storing the temperature-control fluid. According to the invention, the first heat transfer device (21) and the temporary fluid reservoir (23) are arranged directly adjacent to one another or are produced from one piece.

The invention discloses a circulating fluid system for an electrostatic adsorption chuck. The base body of the electrostatic adsorption chuck contains a cooling liquid circulating water path. The circulating fluid system includes a cooler connected to the cooling liquid circulating water path, and the cooler is configured to be capable of simultaneously pumping a first circulating fluid and a second circulating fluid having different temperatures, wherein when one of the circulating fluids circulates through the cooling liquid circulating water path, the other circulating liquid circulates outside the electrostatic adsorption chuck. By introducing a dual-channel cooler with two independent circulating liquids of two temperatures, the temperature-stabilizing circulating liquids entering thebase body of the electrostatic adsorption chuck can be switched between the circulating liquids of two temperatures, which shortens the circulating liquid temperature increasing and decreasing time between high and low temperature processes, achieving rapid temperature control of the electrostatic adsorption chuck in different temperature processes, and avoiding damage to the electrostatic adsorption chuck due to excessive heating power of the electrostatic adsorption chuck.

The invention relates to a backwash rolling mill uniform fast-cooling header pipe. The backwash rolling mill uniform fast-cooling header pipe comprises a water inlet pipe and a header pipe body connected with the water inlet pipe. A backwash opening is formed in the other end of the header pipe body. The water inlet end of the water inlet pipe is connected with a water inlet valve through a water inlet flange. A laminar flow cavity is installed in the side wall of the header pipe body. A plurality of overflow holes which are evenly distributed to the side wall of the header pipe body are formed between the laminar flow cavity and the header pipe body. The laminar flow cavity is provided with a plurality of nozzles which are evenly distributed. The water inlet flange is connected with a blow-down valve through a blow-off pipe. The backwash rolling mill uniform fast-cooling header pipe is simple in structure; turbulent cooling water in the header pipe body can jet out uniform jet streams from the nozzles, uniform heat exchange can be formed on the surface of a steel plate, and therefore the temperature of the steel plate can be quickly lowered to an ideal temperature, and steel with a superior mechanical property can be produced and manufactured; and when dregs are deposited and precipitated in the header pipe body, a backwash valve can be opened regularly, meanwhile, the water inlet valve is closed, the blow-down valve is opened, and accordingly the dregs can be washed away from the blow-down valve and normal operation of production working procedures is guaranteed.

The embodiment of the invention provides a temperature control method and device, a terminal and a computer readable storage medium. The temperatures of a plurality of heating components in the terminal are obtained; according to a first temperature control strategy corresponding to each heating component in the plurality of heating components and the temperature of each heating component, determining a temperature level to which the temperature of each heating component belongs; wherein the first temperature control strategy is used for determining specified operation parameters adopted when the heating parts corresponding to the first temperature control strategy are at different temperature levels; and adjusting the current operation parameter of each heating component according to a specified operation parameter corresponding to the temperature level so as to control the temperature of the terminal, corresponding temperature control strategies are adopted for different heating components in the terminal, the temperature of the whole terminal can be rapidly controlled, and therefore normal operation of the terminal is guaranteed.

The present invention discloses a sample analyzer comprising a heater and a sample feeding carrier, wherein the heater and the sample feeding carrier are integrally formed, such that the positional relation between the sample feeding carrier and the heater is fixed. Compared with the prior art, since the heater and the sample feeding carrier of present invention is formed integrally, the positional relation between the sample feeding carrier and the heater is fixed, accordingly, the consistency in heating-up of the sample is enhanced. Moreover, because the sample feeding carrier and the heater are made of low capacity material, the change of the temperature is rapid during the heating process, as a consequence, the analyzer consumes less power and could achieve a rapid temperature control.

The invention relates to the technical field of automatic production of polyurethane, and discloses an operation method for a reaction kettle applied to automatic production of a high polymer material, namely polyurethane. The reaction kettle comprises a top seat, wherein symmetrically distributed hydraulic rods are fixedly connected to two sides of the bottom of the top seat, and a groove is formed in the bottom of the top seat. According to the operation method of the reaction kettle for automatically producing polyurethane, a fixed pile is fixedly connected to the outer part of a rotating rod, cylindrical holes which are uniformly distributed are formed in the outer side of the fixed pile, stirring rods which are symmetrically distributed are fixedly connected into the cylindrical holes in the outer side of the fixed pile, and meanwhile, a stirring ring is fixedly connected to the outer part of the fixed pile. According to the invention, the outer part of the stirring rod is in a curved surface shape and the stirring ring is spirally arranged, so the reaction kettle can be ensured to quickly stir materials, and the problem that a stirring device is difficult to operate when the motor of an existing device is started is solved.

The invention discloses a rapid and accurate temperature control method for a medical refrigeration box and the medical refrigeration box. The method comprises the steps that the in-box actual temperature of the medical refrigeration box is obtained, and the preset temperature difference between an in-box target temperature and the in-box actual temperature is calculated; if the temperature difference is larger than a condition threshold value delta M, a proportionality coefficient KP (C) is calculated according to the environment temperature C of the environment where the medical refrigeration box is located, and the working frequency F of an inverter compressor is obtained through P control; otherwise, a proportionality coefficient KP (S) and an integral coefficient KI (S) are calculated according to the preset in-box target temperature S, the working frequency F of the inverter compressor is obtained through PI control, the rotating speed of the inverter compressor is controlled according to the working frequency F, and one-time temperature control over the medical refrigeration box is achieved. According to the rapid and accurate temperature control method for the medical refrigeration box and the medical refrigeration box, rapid and accurate temperature control is achieved.

The invention discloses a temperature control, aeration and stirring integrated environmental pollutant photochemical transformation studying device. The device comprises a photochemical reaction module, a temperature-controlling module, an aeration module and a connecting module, and is characterized in that the photochemical reaction module is a cylindrical container and comprises a light source (1), a sample cup (2), an illuminating room (3), an illuminating room top turning door (4), a light-filtering film clamping groove top turning door (5), a light-filtering film (6), an annular vertical clapboard (7) and an aeration pipe (8). Aeration, stirring and temperature control are integrated by aerating in solution and adjusting the temperature of gas used by aeration, so that precise and quick temperature control is realized, a stirring effect is achieved, the overall uniformity of the solution is realized, the photochemical reaction module is simplified, and the cost is reduced; meanwhile, the illumination wavelength can also be controlled, a plurality of experiments can be simultaneously performed at one time, and the experiment efficiency and the comparability of an experiment result are improved.

The present invention proposes a device and method for detecting mechanical parameters of hydrate-containing sediments based on X-CT. The device includes a reactor, the body of the reactor is a beryllium or carbon fiber pressure-resistant tube, the end covers at both ends are sealed, and the outer side of the lower end cover is connected to the The axial pressure loading reaction mechanism is connected, and the interior of the reactor is from top to bottom: the upper sample adjustment pad, the sediment sample, the lower sample adjustment pad and the axial pressure loading piston, and also includes a shear loading unit, a back pressure control unit, Unload the pressure loading unit and the strain measurement unit. The invention satisfies the high-pressure conditions required for the synthesis of methane hydrate, and can accurately control the axial temperature of the sample to make it evenly distributed; it can also quickly control the temperature to improve the efficiency of sample preparation, and can adjust the size of the sample to achieve control of different The purpose of the aspect ratio of the sample is that the invention can realize the simultaneous detection of the stress-strain curve of the gas hydrate-containing sediment and the internal damage microstructure of the sediment, and can realize the constant-strain shear and constant-stress creep test.

The invention relates to a rapid combustion chamber temperature adjusting device which comprise a shell, wherein a high-temperature flue gas inlet is formed in the shell; a high-temperature flue gas adjusting valve is arranged at the inner end of the high-temperature flue gas inlet; a low-temperature flue gas inlet is formed in the shell beside the high-temperature flue gas inlet; a mixed flue gasoutlet is formed in the shell beside the high-temperature flue gas inlet; a uniform low-temperature flue gas distributor is arranged on the shell between the low-temperature flue gas inlet and the high-temperature flue gas adjusting valve; a guide mechanism is arranged inside the shell between the mixed flue gas outlet and the high-temperature flue gas adjusting valve; and a temperature controller is arranged outside the shell. By adopting the device, heat of a combustion chamber can be rapidly released, metals can be effectively prevented from high-temperature oxidation, the energy consumption can be reduced, and the service life can be prolonged.

The present invention provides a chip-level ultra-miniature refrigerator for an uncooled infrared detector. The chip-level ultra-miniature refrigerator comprises an outer-layer package layer structureand an inner-layer refrigerator structure; the outer-layer package layer structure comprises a vacuum package housing, an anti-radiation layer and a radiation layer, and the top portion of the vacuumpackage housing is provided with an infrared sensitive window; the inner-layer refrigerator structure comprises an upper-layer structure, a middle-layer structure and a lower-layer structure. The chip-level ultra-miniature refrigerator performs heating and cooling of a nano-film thermoelectric layer to maintain a constant temperature so as to effectively block the heat exchange between a supportstructure and an external environment through a substrate, and a heat insulation layer is laid at the bottom portion of the substrate to further inhibit the heat conduction of the external environment. An annular cantilever beam and the support structure further avoid heat conduction, the heat insulation layer is arranged to further inhibit the internal heat conduction and exchange so as to achieve heat insulation between the infrared detector and the external environment. The anti-radiation layer is deposited and grown to inhibit heat radiation, and a vacuum package method is employed to avoid heat convection and exchange of the internal portion and the external portion.

The invention provides a vehicle-mounted temperature-control assembly and a vehicle. The vehicle-mounted temperature-control assembly comprises at least one semiconductor assembly which further comprises an outer end of a semiconductor structure compartment and an inner end of the semiconductor structure compartment. The outer end of the semiconductor structure compartment and the inner end of the semiconductor structure compartment are connected in series. The outer end of the semiconductor structure compartment is arranged outside a compartment body. The inner end of the semiconductor structure compartment is arranged inside the compartment body. The vehicle-mounted temperature-control assembly comprises a renewable energy source module, an electric load output end of which is connected with an input end of the at least one semiconductor assembly so that the electric load is correspondingly applied to the at least one semiconductor assembly in accordance with a heating instruction. The vehicle-mounted temperature-control assembly and the vehicle have following beneficial effects: by means of the technical scheme, temperature control effects such as low power consumption and ultra-silence in the compartment body are achieved with temperature-controlled efficiency ensured; the renewable energy source module is utilized for providing the electric load for a temperature control process; and therefore power consumption and noise interference are further reduced in order to improve user's experience.

The invention discloses an airplane ground icing active detection method and device, a terminal and a storage medium, and relates to the technical field of civil aviation ground guarantee detection. The detection device is embedded into the surface of the simulation wing, the first wing skin and the surrounding second wing skin are at the same height, the second wing skin is a one-third wing part, the operation environment is a parking apron, and the detection is installed at the height of an airplane through a support. The lower port of the shell is fixed at the edge of the bottom sealing plate, and the two are of open net structures; a finned radiator is arranged in the shell, and the bottom of the finned radiator is connected with a fan. The wireless communication module is used for communication, wiring is solved, cost is saved, civil aviation workers can conveniently use the system, early warning information is timely and effectively provided, and resources such as deicing equipment are reasonably allocated according to the early warning information. The active cooling and icing early warning function is achieved through driving and temperature control of the device, the flight safety and the punctuality rate are ensured, and the device is particularly important for research of the field of airport icing.

The invention discloses a winter water pipe-antifreezing solar water heater. The winter water pipe-antifreezing solar water heater comprises a hot water storage tank and a solar heat collecting plate, and further comprises an antifreezing system, wherein a cold water inlet pipe and a hot water supply pipe are connected under the hot water storage tank; the antifreezing system comprises a hot pipe and a thermal insulation pipe; the hot pipe comprises a condensation section, a heat insulation section and an evaporation section; parts, exposed outdoors, of the cold water inlet pipe and the hot water supply pipe and the condensation section of the hot pipe are arranged in the thermal insulation pipe; and the evaporation section of the hot pipe is arranged indoors. Compared with the prior art, the winter water pipe-antifreezing solar water heater has the beneficial effects that the evaporation section of the hot pipe absorbs indoor heat and supplies heat to low-temperature inlet water of the cold water inlet pipe and cooled low-temperature water staying in a water pipe for a long time, water temperature in the cold water inlet pipe and the water pipe is increased, the water pipe is prevented from freezing, outlet water temperature of the hot water supply pipe can be moderately increased as well, cold water discharge is reduced, other energy does not need to be consumed, and double effects of low temperature freezing prevention and energy conservation are achieved.

The present invention relates to an inclined internal heat type liquid vapor combustion performance testing device, the inclined internal heat type liquid vapor combustion performance testing device comprises a support arranged on a horizontal plane, an inclined internal heat unit which is arranged obliquely in relative to the horizontal plane and fixed on the support, a vapor ignition nozzle tube which is vertically arranged and connected with the internal heat unit, and a combustion test unit which is matched with the inclined internal heat unit and the vapor ignition nozzle tube. Compared with the prior art, the inclined internal heat type liquid vapor combustion performance testing device has the advantages of simple and compact overall structure, wide application range, small amount of a test sample, fast and flexible operation, high testing precision, reduction of the amount of the test sample, quick adjustment of temperature by use of an internal heating element, energy saving, increase of safety, and very good application prospects.

The invention relates to a thermocoagulation surgical system comprising a main unit, a surgical knife assembly, and a pedal control system. A computer system, an analog-digital conversion circuit, a temperature control system, an operation prompt circuit and a display circuit are arranged inside the main unit. A power isolation transformer disposed inside the main unit converts mains supply into direct current which is output to the computer system, a display and an electric / heat power converter. The surgical knife assembly comprises a surgical blade and a surgical handle; a heating element is disposed inside the surgical blade and comprises a heating member, an insulating coating layer and a Teflon coating. The pedal control system comprises a pedal switch and a main unit pedal switch socket connected with the same through a wire. The heating member is a looped heating tape in a loop shape; the surface of the surgical blade is externally heated; an external heating circuit is arranged outside the surface of the surgical blade and is precisely controlled by the computer system to be 'hot' or 'unchanged', and usage safety of the surgical blade is ensured.

The invention comprises a temperature control cavity mounted in the rapid determination meter. It features the following: said temperature control cavity uses the heated air to control the temperature in the control cavity. The invention also provides a BOD rapid determination meter comprising a case, and both microbial electrode and the temperature controller mounted in the case.