45results about How to "Guaranteed temperature" patented technology

The present application relates to liquid cooling heat dissipation technical field, specifically propose a kind of liquid cooling cooling system of charging pile, comprising: liquid cooling part, transfer part and heat removal part;Liquid cooling part is set on power module, and it is provided with flow channel for fluid passing in it;Transfer part is provided with transfer cavity for fluid passing, and the water inlet of flow channel is communicated with transfer cavity, and the water outlet of flow channel and transfer cavity are connected in parallel with first channel and second channel;Heating assembly is provided in transfer cavity;Heat removal part is set on first channel;When the temperature of fluid is higher than first preset temperature, first channel opens, and second channel closes;When the temperature of fluid is lower than second preset temperature, second channel opens, and first channel closes.Overcome the problem of waiting for temperature to rise, avoid the temperature of power module too low and cannot normally start, improve cooling efficiency, also can avoid temperature too low, so as to maintain the temperature of power module in normal range, to ensure charging efficiency.

The utility model discloses a novel device of energy storage air cooling air duct, it includes top frame, the top frame front surface is provided with the air inlet, the top frame lower surface is fixedly connected with the mounting panel, the mounting panel side surface is fixedly connected with the air frame, the air frame inboard wall is fixedly connected with the air channel, the air channel top end is provided with the big wind hole, the air channel bottom end is provided with the small wind hole, the air channel side surface is fixedly connected with the support frame, the box body, the box body front surface is rotatably connected with the box door, the box body inboard wall is fixedly connected with the electrical frame, the electrical frame inboard wall is fixedly connected with the electrical cabin, the electrical frame side surface is fixedly connected with the energy storage frame. Through above -mentioned structure, the air channel is inclined to set, makes the front plane section of two air channels located in the middle part of energy storage battery be trapezoidal, according to venturi effect, the air flow speed inside air channel gradually accelerates from top to bottom, will not appear air flow speed gradually reduces, leads to the condition of uneven heat dissipation effect.

The application provides a green tea hydrotherapy device and method. The green tea hydrotherapy device comprises a bottom plate, a protection box is fixedly installed on the top of the bottom plate, a brewing mechanism is arranged on the top of the protection box, a refrigeration box is arranged on one side of the protection box and installed on the top of the bottom plate, a constant-temperature water injection mechanism is arranged on the top of the refrigeration box, a refrigeration mechanism is arranged on one side of the refrigeration box and installed on the top of the bottom plate, and conveying mechanisms are arranged in the protection box and the refrigeration mechanism; the constant-temperature water injection mechanism is used for adding hot water into the brewing mechanism; the brewing mechanism is used for brewing green tea bags by using the hot water added by the constant-temperature water injection mechanism and pouring the brewed green tea water into the conveying mechanisms. The green tea hydrotherapy device and method have the advantages of convenient use and automatic brewing and refrigeration of green tea.

The utility model relates to a slagging mechanism field, concretely relates to a slagging mechanism of industrial waste oil reaction kettle, including the slagging bucket for the reaction kettle industrial waste oil slagging, the upper cover is screwed on the top of slagging bucket. The utility model relates to a slagging mechanism of industrial waste oil reaction kettle, through the setting of slagging bucket, drive motor, connecting shaft, transmission rod, stirring vane, heating tube, discharge port and the conveyance spiral vane, the anti -blocking property in the slagging process is strengthened, the slag that the reaction kettle discharged enters the slagging bucket, through the opening drive motor switch, drives the connecting shaft and the transmission rod of lower butt joint rotates, when transmission rod rotates and drives stirring vane rotation stirring, avoid the inside to cause the situation of jam, simultaneously transmission rod rotates in the process and drives the conveyance spiral vane inside discharge port rotation, can stably convey and discharge the impurity, the heating tube in the inner chamber of the slagging bucket is matched, maintains the waste oil temperature, ensures its fluidity, avoids the viscosity sudden increase or solidification and jams the slagging bucket.

A kind of copper clad steel grounding wire is used to straightening device, it is related to copper clad steel grounding wire straightening technical field, including mounting plate and the support frame for supporting mounting plate, a group of straightening rollers for extruding grounding wire is rotationally arranged on mounting plate, and once straightening area is formed between two straightening rollers, which can be passed through by grounding wire, first sliding plate capable of sliding along the direction perpendicular to the movement direction of grounding wire is arranged on mounting plate, and another straightening roller is rotationally connected with first sliding plate;Multiple auxiliary rollers are arranged on the side of straightening roller away from the entry of grounding wire, and multiple auxiliary rollers are respectively located at the two sides of grounding wire, so that secondary straightening area is formed between the two sides of auxiliary roller of grounding wire, which can be passed through by grounding wire, multiple second sliding plates capable of sliding along the direction perpendicular to the movement direction of grounding wire are arranged on mounting plate, and second sliding plate is located at the same side with first sliding plate, corresponding second sliding plate is rotationally connected with the side auxiliary roller, and the interval between straightening rollers can be adjusted to adapt to grounding wire of different diameters.

This invention discloses a cable chain forging device, belonging to the field of hardware forging technology. It includes a base, with an auxiliary mechanism featuring a processing table mounted on the top of the base. The processing table is fixedly mounted on the top of the base. A flow-dispersing mechanism with a ring frame is located near the top of the base and the ring frame is rotatably mounted on the top of the processing table. A long plate is connected to the surface of the ring frame near the processing table, and multiple air nozzles for blowing and dispersing air onto the cable chain are connected to the surface of the long plate near the processing table. This invention uses a heating box and an air pump to deliver heat to the ring frame and blows air onto the cable chain on the processing table through the air nozzles on the long plate, providing a stable and suitable temperature environment for the cable chain. It can also more accurately maintain the temperature of the cable chain during the forging process, avoiding changes in material properties due to temperature fluctuations, thereby effectively ensuring the quality and precision of the cable chain forging and improving the mechanical properties and stability of the finished cable chain.

The application discloses a carbon gasification high-temperature pyrolysis furnace, which comprises a pyrolysis furnace body and a gasification furnace body stacked up and down, a feeding hopper is fixedly installed on the upper surface of the pyrolysis furnace body, and an ash discharging hopper is fixedly installed on the lower surface of the gasification furnace body, a first sealing plate is rotatably installed at the lower end of the feeding hopper and the lower end of the pyrolysis furnace body, the first sealing plate is driven by an external control motor, and a heater for igniting fuel is fixedly installed on the inner wall of the gasification furnace body. The carbon gasification high-temperature pyrolysis furnace is characterized in that fuel is heated to ignition point by the heater after entering the gasification furnace, sufficient oxygen is provided into the gasification furnace by a second gas supply pipe at the same time, the transmission lead screw in the lifting mechanism rotates, the connecting sliding block externally penetrated by threads is driven to move the second connecting rod, the second connecting rod pushes the supporting plate to move upwards, the flame of combustion is closer to the upper pyrolysis furnace, and the temperature in the pyrolysis furnace is ensured.

The utility model discloses a kind of waste gas purification combustion devices, comprising: air inlet base, combustion chamber is fixedly installed at its top end, the outer wall of the combustion chamber is fixedly sleeved with temperature insulation protective sleeve, and the inner wall of the combustion chamber is equidistantly provided with multiple heat-collecting spiral grooves, maintain the temperature inside combustion chamber, improve waste gas combustion effect.The utility model is through the flame of spiral distribution and the flame of the flame projector towards central axis, form high-temperature vortex area, force waste gas to flow to high-temperature area, ensure sufficient combustion;Fuel spiral pipe covers combustion chamber inner wall, eliminates combustion dead angle, cooperate heat-collecting spiral groove to maintain chamber temperature, improve combustion efficiency;Temperature insulation protective sleeve covers combustion chamber and exhaust pipe, reduce heat loss, maintain high-temperature environment, strengthen waste gas decomposition effect;Spiral air guide pipe penetrates circulating water tank, when high-temperature waste gas passes, quickly transfer heat to water flow, reduce waste gas temperature, avoid waste gas high temperature influence gas filter.

The utility model discloses a kind of electric heating device for FSRU cabin warming system, it is related to the technical field of cabin warming system;And the utility model includes control cabinet and pressure vessel, one end of pressure vessel away from control cabinet is fixed with gas outlet, the inside of pressure vessel is provided with electric heating element, the inside of pressure vessel is provided with several symmetrical distribution baffles;Pressure vessel has good protection and explosion-proof effect, the pressure vessel can be well insulated by insulation layer, while ensuring that the device operates well in low temperature environment, by baffle, the BOG natural gas entering is turned back, and the BOG natural gas behind is mixed to ensure uniform heating, which can avoid the unstable heating of BOG natural gas, so as to improve the stability of heating;Through cylinder control pull rod linkage plate moves, linkage plate is driven by slide bar baffle and turns over along the pivot as the axis, which can adjust the angle of baffle, so as to meet the purpose of different needs.

The utility model relates to the technical field of coking wastewater treatment of steel mills, in particular to efficient wastewater purification and waste heat recovery integrated equipment for coking of steel mills, which comprises a rough filtration tank, an aeration tank is fixedly mounted on the outer surface of the rough filtration tank, and a heat preservation water tank is buried on the ground of one side of the rough filtration tank. And heat dissipation fins are fixedly mounted in the filtering sedimentation tank. According to the efficient wastewater purification and waste heat recovery integrated equipment for coking in the steel mill, wastewater is filtered by a filtering fence after being discharged into a coarse filtering box and then enters a filtering and settling pond to be filtered step by step, and when the wastewater flows through the filtering and settling pond, heat of the wastewater is absorbed by heat dissipation fins, so that the heat dissipation efficiency of the wastewater is improved. At the moment, the first circulating water pump is started to pump out the water in the heat preservation water tank and take away heat, so that the temperature can be reduced while impurities in the waste water are settled, the temperature can be stored in the heat preservation water tank, and the heat of the waste water can be recycled for other purposes.

The utility model discloses a kind of air-conditioning gas compressors of high efficiency heat dissipation, it is related to gas compressor technical field, and it includes: air compressor;Face expanding mechanism, it is equipped with two groups, two groups face expanding mechanism are all located on air compressor, to increase the contact area of air compressor and outside, each group face expanding mechanism includes laminating plate and multiple face expanding teeth, laminating plate is wrapped and set on the outer surface of air compressor, multiple face expanding teeth are equidistant fixedly connected on laminating plate;Butt joint mechanism, it is equipped with two groups.The air-conditioning gas compressor of high efficiency heat dissipation, by the use of face expanding mechanism, can increase the outer surface area of air compressor, improve the effect of heat transfer, improve the cooling effect in the use process of air compressor, ensure use, the air-conditioning gas compressor of high efficiency heat dissipation, by the use of liquid cooling mechanism, can be circulated, reduce the temperature of face expanding tooth, ensure the temperature in the use process of air compressor, and simple structure, easy to use.

This utility model relates to a uniform glue coating device for printing rollers, belonging to the field of printing roller transfer equipment. It includes a glue tank mechanism and a glue tank adjustment mechanism. The glue tank mechanism includes a glue tank plate, a scraper, a glue tank bottom plate, glue tank blocks, and block positioning plates. The glue tank plate is fixedly mounted on the glue tank bottom plate by fasteners. The scraper is clamped between the glue tank plate and the glue tank bottom plate, with its edge in contact with the surface of the printing roller. The scraper, printing roller, arc-shaped concave surface, and glue tank blocks on both sides together form a semi-enclosed glue tank. The glue tank adjustment mechanism is used to adjust the position of the glue tank mechanism relative to the printing roller. A heat conduction channel is provided within the body of the glue tank plate, and a temperature sensor is installed on the glue tank plate. A heat conduction channel is also provided within the body of the glue tank bottom plate, and a temperature sensor is installed on the glue tank bottom plate. By controlling the temperature of the glue tank plate and the glue tank bottom plate, this application solves the technical problem of uneven glue coating on the printing roller caused by the thermal deformation of the scraper.

This utility model belongs to the field of cooling tower technology, specifically disclosing a cooling tower circulating water filtration device, including a cooling tower body and a shell. The shell is located below the cooling tower body, and a groove is provided at the center of the top of the shell. Corrugated pipes are fixed to both sides of the groove, and sleeves are fixed to the sides of the corrugated pipes. A movable groove is provided horizontally below the groove. This cooling tower circulating water filtration device, by fixing sleeves to the sides of the corrugated pipes and installing the shell on the lower outer side of the cooling tower body, pushes the shell from back to front, bringing the sleeves of the corrugated pipes on both sides close to the water outlet and water inlet. After starting the motor, the worm gear is rotated, thereby pushing the worm wheel and the double-ended screw, forcing the sleeves connected to the threaded block to approach the water inlet and water outlet from both sides, forming a sealed circulating filtration structure. The liquid is then adsorbed and purified by bamboo charcoal particles in the filter box, solving the problem of inconvenient disassembly and installation.

The utility model discloses a gas chromatogram device for medical intermediate detects, specifically related to medical intermediate detection technical field, including the gas washing bottle, the inside one side of gas washing bottle is installed with the air inlet pipe, and the inside one side of gas washing bottle is installed with the U -shaped tube away from air inlet pipe, and the one side of U -shaped tube is provided with heating cylinder away from air inlet pipe, and the one end bottom of heating cylinder is installed with chromatograph away from gas washing bottle, the outer wall of gas washing bottle is installed with heating ring, and the inside one side of gas washing bottle is close to air inlet pipe and is installed with liquid inlet pipe, and the bottom of the one side of gas washing bottle is close to U -shaped tube and is installed with the conveying pipe, and the inside of heating cylinder is installed with the central tube, and the one end of air inlet pipe is installed with atomizing nozzle close to the inside of gas washing bottle, and the inside of gas washing bottle is provided with a plurality of current -distributing plates in parallel. The utility model has the advantages of avoiding producing larger bubble, improving the gas washing efficiency, and the advantage that it is convenient to heat gas.

The utility model discloses an automatic laser depainting assembly mechanism for an electric horn enameled wire, which comprises a working table, a frame is detachably mounted on one side of the top of the working table, a fixing frame is fixedly mounted on the top of the frame, an adjusting screw rod is rotatably mounted in the fixing frame, the bottom end of the adjusting screw rod penetrates into the frame, and the bottom end of the adjusting screw rod is fixedly connected with the working table. According to the laser transmitter adjusting device, the structural design that the height of the laser transmitter can be adjusted is adopted, the laser transmitter can be positioned at the proper height through debugging before working, and the laser transmitter can be adjusted to be at the proper height. The temperature of the focus point of the laser transmitter is ensured to be within a set temperature value range, and the separation of the coating and the base material is quickly realized on the basis of ensuring no damage to the base material, so that the paint removal speed and efficiency of the enameled wire are improved, and convenience is provided for the work and use of a user.

This invention belongs to the field of stirrers, specifically relating to a magnetic levitation stirrer and stirring method. The magnetic levitation stirrer includes a container, a stirring shaft assembly, a stirring shaft positioning assembly, and a power assembly. The container includes an upper main cavity and a lower stirring shaft mounting cavity that are interconnected. The stirring shaft assembly includes an impeller and a rotating shaft that are interconnected. The impeller is disposed without contact within the main cavity, and the rotating shaft is disposed without contact within the stirring shaft mounting cavity. The stirring shaft positioning assembly includes at least two sets of axially arranged suspension bearings disposed outside the stirring shaft mounting cavity of the container, with the at least two sets of suspension bearings levitizing the rotating shaft axially and radially. The power assembly is used to drive the rotating shaft to rotate without contact. This invention truly achieves zero contact between the stirring shaft assembly and the container, and is convenient to install, has a larger capacity, and provides better stirring effect.

The utility model relates to molten iron transfer equipment technical field especially relates to a molten iron transfer equipment with protection function, the utility model provides such a molten iron transfer equipment with protection function, including support frame, transport pipe, collection frame and electronic valve, a plurality of support frames have transport pipe jointly fixed connection, the upper end of transport pipe is connected and has the collection frame, is provided with electronic valve on collection frame, still include the connecting plate, temperature insulation cotton and screw, the outer side of transport pipe is detachably provided with multiple connecting plates, the two connecting plates of mutual contact jointly screw a plurality of screws, and the inner wall of connecting plate is provided with temperature insulation cotton, and temperature insulation cotton is closely contacted with transport pipe, in the transportation process, temperature insulation cotton effectively reduces the heat loss of molten iron through transport pipe wall outward, keeps the molten iron temperature, prevents its premature solidification, simultaneously, temperature insulation cotton insulates the high temperature of transport pipe surface, protects the operator from scalding, and reduces the heat radiation to the surrounding environment.

The utility model relates to waterproof graphene electric heating rescue gloves belong to rescue gloves technical field, including waterproof gloves main part, graphene electric heating film, magic tape arm band, waterproof battery, waterproof gloves main part sets up neoprene thermal layer and wear -resisting layer, waterproof gloves main part sets up and places the groove with graphene electric heating film, waterproof gloves main part sets up moisture absorption sweat fabric lining, waterproof gloves main part sets up magic tape wrist band, magic tape arm band sets up battery storage bag, waterproof battery is placed in battery storage bag. The utility model, glove outer configuration has antiskid layer, inside configuration has graphene heating film, configuration and battery placement area, can be used for power supply to graphene heating film when configuring waterproof battery under water diving or winter water area rescue, make overwater rescue more convenient, prevent hand stiff because of cold, can give consideration to protectivity, flexibility and comfort in extreme environment, improve rescue efficiency.

The application discloses an air duct structure of an air conditioner and an air outlet control method thereof. The air duct structure comprises a split indoor unit and an outdoor unit, the indoor unit and the outdoor unit are connected with each other through an air pipe and a liquid pipe, the indoor unit comprises indoor air fans which are arranged below a side of a device to be cooled respectively, a refrigeration circuit, a return air / new air outlet, a temperature sensor and an electric control box. The refrigeration circuit comprises a gas circuit connected with the air pipe and a liquid circuit connected with the liquid pipe, and the refrigeration circuit cools the indoor air fans through an evaporator. The return air / new air outlet switches the return air outlet or the new air outlet according to the air outlet temperature of the indoor air fan. The temperature sensor detects the air outlet temperature and the ambient temperature at the air outlet of each indoor air fan respectively. The electric control box controls the switching of the return air outlet and the new air outlet according to the detected air outlet temperature and ambient temperature, and adjusts the frequency of the air conditioner. The air outlet is arranged at the side and the bottom of different charging devices, the air outlet is accurately sent to the corresponding device, the air supply is more reasonable and uniform, and the temperature regulation efficiency of the air conditioner is improved.

The utility model relates to the technical field of reaction kettle discloses a stirring reaction kettle for glutamic acid dehydrogenase, including support, kettle body and kettle cover, kettle body is located below the support, and the kettle cover is located between the support and kettle body, and is provided with the moving piece between the kettle cover and support, be provided with stirring assembly on the kettle cover for stirring to the kettle body, stirring assembly includes the first motor of detachable installation on the kettle cover, and the first motor end portion detachable installation has the rotary rod, and the rotary rod detachable installation has the first gear on, and the first gear side surface is connected with the fifth gear and is meshed, and the rotary rod rotatably connects with the fourth gear, and is provided with transmission between the fourth gear and the first gear, and is provided with the stirring piece below the fourth gear, and the fourth gear side surface is connected with the sixth gear and is meshed, and is provided with the grinding piece between the sixth gear and the fifth gear, the utility model discloses through stirring assembly, solved the problem that the reaction kettle cannot smash the solid material of adding, leads to the waste manpower, influence the problem of making efficiency.

This utility model discloses a ladybug hatching device, belonging to the field of hatching devices. It includes a hatching base and a hatching cover inserted at the top of the hatching base. The hatching cover contains hatching components for hatching ladybug eggs. Each hatching component includes multiple egg-hatching trays (I), each with an egg-hatching tray (II) above it. Each egg-hatching tray (I) has a sliding plate at its bottom, and broad bean seedlings are cultivated inside. Each egg-hatching tray (II) contains a flat substrate bag. The front surface of the hatching cover has multiple mounting openings adapted to the sliding plate and egg-hatching trays (II). This utility model, by using multiple egg-hatching trays (I and II) to hatch ladybug eggs, can increase the hatching volume. Furthermore, both egg-hatching trays (I and II) can be pulled out, facilitating the quick removal of a certain number of eggs and newly hatched larvae by workers, saving time in picking out newly hatched larvae, and thus improving the hatching efficiency of ladybug eggs.

A coffee machine with a preheating function comprises a rack, a heating assembly is installed above the rack, a brewing assembly is connected with the heating assembly through a guide pipe, hot water is heated by the heating assembly and conveyed into the brewing assembly, a heat conduction plate is arranged between the heating assembly and the brewing assembly, one end of the heat conduction plate is connected with the heating assembly, and the other end of the heat conduction plate is connected with the brewing assembly. The other end of the heat conduction plate is connected with the brewing assembly, and heat generated by the heating assembly is transmitted to the brewing assembly through the heat conduction plate so as to conduct preheating and heat preservation on the brewing assembly. The brewing machine has the advantages that the heat conduction plate is arranged between the heating assembly and the brewing assembly, heat of the heating assembly is effectively transferred into the brewing assembly, energy conservation and environmental protection are achieved, the temperature of the brewing assembly is kept, and preheating and heat preservation are conducted on the brewing assembly.

The invention relates to a battery device, in particular for a motor vehicle or for a battery storage in a building. The battery device has a core structure (10) and at least one battery cell (14), which core structure forms at least one battery cell receiving space (12) and a cooling channel (16) extending in a flow plane. Here, the cooling channel (16) is formed for a cooling fluid to flow through in the flow plane and the at least one battery cell (14) is arranged in the battery cell receiving space (12). The core structure (10) forms a longitudinal profile with a constant cross section, wherein the longitudinal profile extends transversely to the flow plane. Furthermore, the invention relates to a manufacturing method for producing a battery device.

The invention provides a two-stage needle coke production device and method. A two-section type needle coke production device comprises a heat exchange device, a raw material preheating furnace, a fractionating tower and an adjusting device, the heat exchange device is connected with the raw material preheating furnace through a pipeline, the raw material preheating furnace is connected with the fractionating tower through a pipeline, and the adjusting device is respectively connected with the raw material preheating furnace and the fractionating tower.

The utility model discloses a raw material processing device for aluminum alloy production relates to aluminum alloy production technical field, including smelting furnace, the top of smelting furnace is connected with top cover, and the top cover is connected with stirring mechanism between smelting furnace, and stirring mechanism includes rotary rod and stirring vane. The utility model discloses rotary plate side edge is connected with the fender, to prevent the raw material overflow, and the top of feeding box is connected with rotary plate, and the board is equipped with pressure sensor, is used for monitoring the feeding pressure of raw material, when adding to certain weight, and the rotary plate is connected through the rotating mechanism between feeding box, and is driven rotation by rotary motor, and the gear ring is engaged in the outer periphery of gear, and is connected on the rotary plate through the rotary frame, and the gear ring drives the rotary frame rotation, imports the raw material on the rotary plate into feeding box, and the raw material is guided to realize raw material input through the guide plate, and rotary motor drives the rotary plate rotation, and raw material is conveyed from the rotary plate to feeding box through the rotating mechanism, realizes the automation of feeding process, and improves production efficiency.

This utility model discloses a steel strip degreasing device, relating to the field of steel strip processing technology. It includes a base and a support column. The first oil-absorbing mechanism includes a support rod, a fixed plate, a first mounting seat, a first mounting plate, a first socket, and a first oil-absorbing strip. The fixed plate is fixedly mounted on the support rod, and the first mounting seat is fixedly mounted on the fixed plate. The first mounting seat has a first mounting groove, and the first mounting plate is inserted into the first mounting groove. The first socket is fixedly mounted on the first mounting plate, and the first socket has a first slot. The first oil-absorbing strip is inserted into the first slot. By setting two sets of first and second oil-absorbing mechanisms, the surface oil stains of the steel strip are double-absorbed and cleaned, thereby improving the degreasing effect. Furthermore, the insertion and arrangement of the first mounting plate, the first oil-absorbing strip, the second mounting plate, and the second oil-absorbing strip allows for quick and convenient replacement of the first and second oil-absorbing strips. The operation is simple and convenient, and it has strong practicality.

The utility model relates to the field related to tea set, especially a heat preservation type double -deck ceramic tea set, including ceramic cup body, handle, recess, annular groove, support cylinder, extension pipe, screw boss, screw groove, heat preservation piece, first magnet piece, second magnet piece and screw cavity etc. The utility model discloses the ceramic cup body is divided into two layers of inside and outside through setting up annular groove, and sets up the heat preservation piece made of polyurethane foam material in annular groove, to improve the heat preservation effect of ceramic tea set whole, is favorable to keeping the temperature of ceramic tea set internal liquid, makes tea water to slow down with the slower speed cooling down, is favorable to the temperature feeling of drinking tea person when drinking tea, improves the joy of drinking, is favorable to improving the practicality of ceramic tea set.

The utility model application provides a kind of food machinery precision constant temperature control device, it relates to food machinery technical field.This kind of food machinery precision constant temperature control device, food processing machine main body is fixed with constant temperature room, constant temperature room is fixed with temperature sensor, temperature sensor line is connected with control circuit, constant temperature room is fixed with suction pipe, suction pipe is fixed with fan, fan is fixed with temperature rising air inlet, temperature rising air inlet is fixed with temperature rising assembly, temperature rising assembly is fixed with temperature rising exhaust, fan is fixed with temperature drop air inlet, temperature drop air inlet is fixed with temperature drop assembly, temperature drop assembly is fixed with temperature drop exhaust.This application is in by constant temperature room setting temperature sensor and temperature rising assembly, temperature drop assembly cooperation use, so that temperature sensor is adjusted according to constant temperature room real-time temperature constantly, until temperature sensor monitors that constant temperature room temperature meets the requirement, forms closed loop control, to form closed loop control to food processing machinery precision constant temperature control.