111results about How to "Improve heat exchange efficiency" patented technology

The utility model relates to the technical field of heating equipment, and provides a heating device. The heating device comprises a box body, an air blowing component and a heat exchange assembly. Wherein a cavity is formed in the box body, an air outlet is formed in one end of the box body, an air inlet is formed in the other end of the box body, and the air outlet and the air inlet are both communicated with the cavity; the air blowing component is arranged in the cavity and used for forming air flow in the cavity, and the air flow flows from the air inlet to the air outlet; the heat exchange assembly is arranged in the box body and used for conveying heat in the warm air into the cavity. A first cover body is arranged at the air outlet and is used for blocking the air outlet; the air inlet is provided with a second cover body which is used for blocking the air inlet. According to the utility model, the defect that the heating equipment for directionally controlling the warm air in the prior art cannot utilize heat in the warm air is overcome, and the heating equipment which can utilize the heat in the warm air and can directionally and centrally control the flow direction of the warm air is realized.

The utility model discloses an unmanned vehicle line control chassis high -efficient heat dissipation structure relates to vehicle chassis equipment technical field, is provided with the heat dissipation portion on the chassis, the heat dissipation portion is provided with a plurality of mutually parallel heat dissipation grating, and the inner airflow passage is formed between two adjacent heat dissipation grating, is provided with a plurality of mutually parallel heat dissipation fin on the upper end surface of a plurality of heat dissipation grating, and the outer heat dissipation passage is formed between two adjacent heat dissipation fins, and the interval between two adjacent heat dissipation grating is less than the interval between two adjacent heat dissipation fins, the heat dissipation fin upper edge contour line is extended from both sides to the center symmetry, and one side contour line section includes side horizontal section, large angle drop section, small angle rise section, central horizontal section in proper order, and the scheme simple structure can be high -efficient heat dissipation under the scene such as static parking, low -speed driving, high -speed operation etc.

This invention discloses a liquid-cooled heat dissipation chip structure and its packaging method, relating to the field of chip technology. The liquid-cooled heat dissipation chip structure includes: a chip with accommodating channels formed therein, and coolant filled into the accommodating channels; a substrate, on which the chip is packaged; and a cooling fan mounted on the side of the chip away from the substrate. This invention solves the problem of chip overheating leading to decreased chip computing performance and slowed data processing speed.

This utility model relates to an embedded water tank mechanical agitation and scraping powdery material cooler, belonging to the technical field of powdery material cooling devices. The aim is to provide an embedded water tank mechanical agitation and scraping powdery material cooler with a large heat exchange area, high efficiency, and good cooling effect on powdery materials. The technical solution adopted is as follows: multiple cooling water tanks and a mechanical agitation device are installed inside the tank. The structure of the mechanical agitation device is as follows: a horizontally positioned main shaft is rotatably installed in the upper part of the tank, and a lower shaft is parallel to and below the main shaft. The main shaft is connected to the lower shaft through at least two sets of chain drive components. Multiple long, strip-shaped scraper frames are fixed at intervals around the circumference of the chain drive components, and multiple scrapers are fixed on each scraper frame. Multiple cooling water tanks are arranged in two rows on both sides of the main shaft and the lower shaft. The multiple scrapers on the scraper frames correspond to and are inserted into the gaps of the cooling water tanks. This utility model is used for rapid cooling of high-temperature powdery materials.

The application belongs to the technical field of household appliances, and particularly relates to a fan rotating speed control method and a heat pump equipment. The fan rotating speed control method provided by the application comprises the following steps: obtaining suction temperature T s of a compressor suction port of a heat pump air conditioner, defrosting temperature T ev of an evaporator of the heat pump air conditioner, and liquid pipe temperature T li of a pipeline between a condenser and an expansion valve of the heat pump air conditioner; when the heat pump air conditioner is in a heating mode or a cooling mode, the running rotating speed of a fan is adjusted according to at least two of the suction temperature T s , the defrosting temperature T ev , the liquid pipe temperature T li , a running frequency f nom of the compressor of the heat pump air conditioner, and a maximum running frequency f max . The fan rotating speed control method and the heat pump equipment provided by the application reduce the energy consumption of the heat pump air conditioner.

This invention discloses an industrial control board testing device, comprising: an insulated box with an inlet and a second conveyor belt; a first conveyor belt disposed on the outer side of the second conveyor belt away from the insulated box; a testing unit disposed above the feeding section of the first conveyor belt; a cylinder mounted on the side of the first conveyor belt opposite to a transition plate; a strip-shaped baffle disposed on the side of the second conveyor belt opposite to the transition plate; a first guide plate and a second guide plate disposed on the side of the strip-shaped baffle opposite to the first conveyor belt and above the second conveyor belt; and a guide portion formed at the other end of the second guide plate that is inclined toward the second conveyor belt opposite to the first guide plate. This invention can quickly screen out defective products based on the test results through the cooperation between the testing unit and the cylinder, and can also achieve stable connection and high-precision transport of good products, facilitating the direct feeding of good products into the insulated box for high and low temperature testing, thus improving testing efficiency.

This utility model discloses a cooling device for precipitation of phenylhydrazine hydrochloride mother liquor, comprising a refrigeration compressor, an oil separator fixedly connected to the output end of the refrigeration compressor, an evaporative condenser fixedly connected to the main outlet of the oil separator, an auxiliary ammonia storage tank fixedly connected to the outlet of the evaporative condenser via a first pipeline, an ammonia tank fixedly connected to the outlet of the auxiliary ammonia storage tank via a second pipeline, a shut-off valve installed at the connection between the ammonia tank and the second pipeline, and a thin-film evaporator fixedly connected to the outlet of the ammonia tank via a third pipeline. The main outlet of the thin-film evaporator is fixedly connected to a brine tank. Through the above structure, a buffer system is formed by the interlocking of the ammonia tank, the auxiliary ammonia storage tank, and the double shut-off valves, which can quickly isolate the ammonia source in case of emergency shutdown. In addition, the use of a closed-loop system with a low-temperature brine medium can effectively reduce energy consumption, thereby preventing the waste of cooling capacity caused by intermittent production.

The utility model belongs to the technical field of biological reagent detection, and particularly relates to biological reagent detection equipment. The utility model provides biological reagent detection equipment and aims to solve the problem of low temperature control efficiency of biological reagent detection equipment in the prior art. Biological reagent detection equipment comprises a reagent loading assembly used for loading a thin film chip with a built-in reagent; the temperature control assembly is used for heating or cooling the reagent; the light analysis component is used for analyzing light emitted by the reagent; and the optical assembly is used for guiding the light emitted by the reagent to the light analysis unit. The reagent loading assembly is used for loading the thin film chip with the reagent inside, and the thin film chip is thin and high in heat exchange efficiency, so that the biological reagent detection equipment is high in temperature control efficiency, the thin film chip is low in heat transfer loss, and the temperature increasing and decreasing speed is high.

The invention discloses a cooling device for efficient heat dissipation of a gearbox, and relates to the technical field of transmission devices. The radiator fan is rotatably mounted in the radiator main frame and is rigidly connected with the fan motor; one side of the cooling fan is provided with a cooling pipeline which is connected with a temperature control valve, and the other side of the cooling fan is provided with a cooling plate; an air inlet of the radiator is provided with an anti-flocculation net, and an air outlet of the radiator is provided with an air duct which is communicated with the cabin; the heat dissipation plates are of an integral aluminum magnesium alloy structure. The cooling pipeline is a double-layer high-elasticity fiber and steel wire winding rubber pipe; the temperature control valve is of a spring pressure type; the anti-flocculation net comprises an aluminum alloy frame and a diamond net; the surface of the radiator is coated with a graphene-containing coating; the ventilating duct and the exhaust hood are made of military silica gel coating glass fiber cloth; the cooling fan and the like form a penetrating type heat exchange core body; a reinforcing lifting lug is arranged on the main frame; the cooling capacity is guaranteed, the operation stability of the gearbox is improved, and the service life is prolonged.

This utility model discloses a refrigerator utilizing heat pipe technology. The refrigerator includes a cabinet, a storage compartment within the cabinet, a cooling tank above the storage compartment containing coolant, a heat pipe assembly fixedly installed in the cooling tank, a refrigeration system, and a fan assembly with an air inlet connected to the storage compartment. The heat pipe assembly consists of multiple gravity heat pipes, each with a condensing section, an adiabatic section, and an evaporating section. The condensing section is located inside the cooling tank and immersed in the coolant, while the evaporating section is located inside the storage compartment. The refrigeration system includes a refrigeration component located below the storage compartment and an evaporator mounted on the cooling tank and immersed in the coolant. This utility model optimizes conventional refrigeration systems by incorporating heat pipe technology, achieving efficient heat transfer and improving the refrigerator's refrigeration performance and energy efficiency. Simultaneously, the compressor's start-up and shutdown have a slow response to the refrigerator's internal temperature, resulting in smaller temperature fluctuations, which is beneficial for the preservation of goods.

The utility model relates to the technical field of waste heat recovery, and disclose an energy -conserving and environment -friendly coffee baking waste heat recovery device, including base, the base top is provided with recovery mechanism, the recovery mechanism top is provided with the equalizing mechanism. The device sets up recovery mechanism, can effectively recycle the waste heat produced in the coffee baking process. The air inlet pipe is connected with the exhaust pipe of coffee baking machine, and the high-temperature waste gas produced in the baking process is introduced into the first box body, and the heat in the waste gas is transmitted to the water in the second box body through the circulating pipeline, realizing the effective recovery and utilization of heat, improving the energy utilization efficiency, meeting the concept of energy saving and environmental protection, the filter plate design in the recovery mechanism can filter the impurities in the waste gas, prevent the impurities from entering the subsequent circulating system, and ensure the stable operation of the system. The filter plate is fixed through the rotating plate and the bolt, and is convenient to disassemble, convenient for regular cleaning or replacement, reduces the maintenance cost, and prolongs the service life of the equipment.

This utility model relates to the field of automotive parts technology, specifically an automotive brake disc, including an outer disc body and an inner disc body disposed on the back of the outer disc body. A connecting member is disposed between the outer disc body and the inner disc body. The outer disc body has several first heat dissipation holes, which are connected to the interior of a heat dissipation cavity. This automotive brake disc, through the coordinated use of the outer disc body, inner disc body, heat dissipation cavity, connecting member, first heat dissipation holes, mounting part, mounting hole, and second heat dissipation holes, allows for rapid heat generation due to friction between the brake disc and brake pads during braking. The heat dissipation grooves, first heat dissipation holes, and second heat dissipation holes on the surfaces of the outer and inner disc bodies, with their unique structure and layout, guide air to form a complex airflow when the brake disc rotates, increasing the contact time and area between the air and the brake disc surface, significantly improving heat exchange efficiency and enhancing heat dissipation performance. Furthermore, the heat dissipation grooves increase the effective heat dissipation area of ​​the brake disc.

The utility model discloses a circulating ventilation device for improving the material melting stability of a shaft kiln, which comprises a shaft kiln body, a preheating zone, a calcining zone and a cooling zone are sequentially arranged in the shaft kiln body from top to bottom, and the bottom of the cooling zone is communicated with a ventilation pipeline through an air inlet. The upper end of the ventilation pipeline communicates with an air outlet in the top of the preheating zone, and one end of the right side of the ventilation pipeline is connected with a frequency conversion fan. The circulating ventilation system is arranged, hot air exhausted by the cooling belt is used for preheating cold air, heat recycling is achieved, the energy utilization efficiency is improved, energy consumption in the production process is reduced, the frequency conversion draught fan and the flow adjusting valve on the ventilation pipeline can accurately adjust the ventilation quantity and the air quantity of all the air spraying openings, and the production efficiency is improved. And the uniformity of ventilation in the kiln is ensured, so that materials can be uniformly heated in the calcining process, the stability of material melting is effectively improved, and the improvement of the product quality is facilitated.

The utility model discloses a river water condenser and ship, this river water condenser includes the casing, is equipped with circulating water import and circulating water export on the casing, and circulating water import and circulating water export all are linked to the shell inner chamber, and the casing both ends are connected with front end cover and tail end cover respectively, and the water inlet and water outlet are in parallelly arranged on the front end cover, and the cooling pipe is equipped in the casing, and the cooling pipe includes cooling inlet pipe and cooling outlet pipe, and the cooling inlet pipe is linked to the water inlet, and the cooling outlet pipe is linked to the water outlet, and the tail end cover is equipped with the self -cleaning mechanism, adopts the river water condenser of the utility model, and heat exchange effect is good, and the pipeline is few and is long in service life.

The utility model relates to a combined dry cooler, including heat exchange fin, air inlet pipeline, exhaust pipeline, the right side top of exhaust pipeline is provided with overflow valve, heat exchange fin includes fixed frame and a plurality of rectangle piece, the inside of the most right side rectangle piece is provided with a plurality of baffle, baffle is used to divide the most right side rectangle piece inside into a plurality of chambers, overflow valve is connected with the chamber of right side, the bottom of the most right side chamber is provided with blowdown, through adopting above technical scheme, when low temperature low pressure steam flows in a plurality of rectangle piece, when flowing to the inside of the most right side rectangle piece, the heat that is not taken away completely by heat exchange fin is absorbed through the water of the inside of the most right side rectangle piece, when pressure accumulates to certain value, water flow discharges from blowdown, airflow flows out from overflow valve at this time, the inside of heat exchange fin is relieved, makes heat exchange fin can stagnate low temperature low pressure steam for a long time, and makes low temperature low pressure steam recool into condensate water and is used by thermal power generator.

The utility model belongs to heating equipment field especially, it is a kind of graphite liquid phase coating agent heating equipment, including support frame, the top of support frame is equipped with weighing frame, and is equipped with heating bucket on weighing frame, and is equipped with graphite liquid phase coating agent stirring mechanism on heating bucket;The inner bag is installed in the heating bucket, and heating chamber is equipped between inner bag and heating bucket, and the side of heating bucket is provided with membrane temperature machine, and injection pipe is installed on membrane temperature machine, and injection pipe is connected with heating chamber intercommunication, and the side top of heating chamber is equipped with the return liquid pipe connected with membrane temperature machine, and spiral guide plate for the heat conducting medium direction is equipped in heating chamber, the top of heating bucket is equipped with feed pipe.

This application relates to a rotor assembly, a motor, and an electric vehicle. The rotor assembly includes an annular rotor and a plurality of magnets fixed to the inner ring of the annular rotor. Between adjacent magnets, a flowing substance that can be magnetically attracted under the influence of its magnetic field is gathered. The flowing substance has two opposing outer sides along the axial direction of the annular rotor, at least one of which is a space. And / or at least one of the magnets can be mounted from one side of the inner ring of the annular rotor along the axial direction of the annular rotor. The rotor assembly of this application improves heat transfer between the rotor assembly and the stator by gathering a flowing substance that can be magnetically attracted under the influence of its magnetic field between adjacent magnets on the annular rotor, thereby ensuring good heat dissipation of the motor.

The utility model discloses an equipment of artemisia argyi essential oil distillation layered extraction belongs to artemisia argyi essential oil distillation technical field. An equipment of artemisia argyi essential oil distillation layered extraction, including distillation kettle and install the condensing tank body on the steam exhaust end of distillation kettle, the end surface of condensing tank body is equipped with air inlet and liquid discharge port respectively, and the circumference of condensing tank body is equipped with water inlet pipe and drain pipe respectively, still include: mounting piece, rotates and is installed in the condensing tank body, and mounting piece defines the condensing area, and the cross installation of spiral condensing pipe is arranged in the condensing area, and both ends of condensing pipe are communicated with air inlet and liquid discharge port respectively, and the outer periphery of the pipe wall of condensing pipe is provided with fin, the utility model discloses through condensing pipe cooperation fin uses, makes condensing pipe rotate in the condensing tank body, thereby makes steam fully with condensing pipe inner wall contact, avoids part steam difficultly fully contacts the effective heat exchange surface of condensing pipe, leads to steam and condensing pipe wall between heat exchange not enough fully, reduces the problem of condensing efficiency.

This utility model relates to the field of heat exchanger technology and discloses a PTFE-graphene composite membrane heat exchanger, including a heat recovery core. The heat recovery core comprises several honeycomb flow channel cores spliced ​​together, each of which adopts a graphene-PTFE composite membrane structure. The honeycomb flow channel core is set at a 15° inclination angle relative to the primary air inlet. The graphene-PTFE composite membrane structure, from the inside out, includes a graphene inner coating, a PTFE microporous base membrane layer, and a SiO2 nano-hydrophobic layer fixed together. The hexagonal honeycomb flow channel core of the graphene-PTFE composite membrane structure and the 15° inclination improve heat exchange efficiency and gas handling capacity. The turbulence control strategy further enhances the system performance, improves sensible heat efficiency, avoids water accumulation and frost formation, and makes the system more stable and efficient.

This utility model discloses a photovoltaic-thermal module for an evaporator, including a photovoltaic module, a heat absorber plate, a heat absorption channel, and a frame. A junction box is provided inside the photovoltaic module. The heat absorber plate is fixedly connected to the back of the photovoltaic module, and the heat absorption channel is fixedly connected to the heat absorber plate. Refrigerant circulates within the heat absorption channel. The heat absorption channel includes a manifold and branch pipes. The manifold has a closed design at both ends and is connected to a connecting pipe. The branch pipes are internally threaded thin tubes with a diameter of 3-10 mm. Both ends of the branch pipes are connected to the manifold, and one or more semi-circular bends are provided along the length of the same branch pipe. Using this photovoltaic-thermal module significantly reduces the risk of photovoltaic panel deformation and microcracks in the solar cells, simplifies the manufacturing process, reduces costs, and optimizes heat exchange efficiency.

The utility model relates to new energy special vehicle technical field, and disclose new energy special vehicle environmental protection emission reduction purification box, including hybrid power engine and emission reduction box body, and hybrid power engine surface is fixed with a plurality of radiating fins, and the emission reduction box body includes expansion water tank, the utility model discloses through the heat exchange element to the radiating fin of hybrid power engine carries out heat conduction, makes the cooling liquid enter the heat exchange element with the heat that takes out through the water inlet pipe, then leaves and enters the expansion water tank by the water outlet pipe, and the expansion water tank prevents the influence that cooling liquid heated volume expansion causes to the pipeline, and the cooling liquid of heating -up simultaneously exchanges with the heat water tank, makes the cooling liquid in the heat water tank heat -up, and even the heat is transmitted to the cooling liquid in the heat exchange water tank, and the heat exchange water tank supplies into the vehicle heating path again, forms heat exchange and heat recovery through water cooling, greatly reduces the waste of heat, thereby reduces the consumption of new energy, improves the endurance of new energy special vehicle, realizes energy -conserving and emission reduction and environmental purification.

This utility model discloses a plate heat exchanger with a reinforcement device, comprising: a heat exchange core formed by stacking multiple heat exchange plates sequentially, a reinforcement device disposed on the outside of the heat exchange core, the reinforcement device comprising oppositely arranged reinforcement components, each set of reinforcement components comprising a transverse reinforcement member and a longitudinal reinforcement member, the transverse reinforcement member being disposed along the width direction of the heat exchange core and abutting against the edge of the heat exchange plate, the longitudinal reinforcement member being disposed along the height direction of the heat exchange core and having both ends connected to the transverse reinforcement member, the transverse reinforcement member and the longitudinal reinforcement member forming a reinforcement frame to apply radial constraint force to the heat exchange core. By the transverse reinforcement member and the longitudinal reinforcement member of the reinforcement device enclosing and forming a reinforcement frame, the radial constraint force applied to the heat exchange core can effectively resist the impact of fluid pressure fluctuations on the heat exchange core, reduce the overall shaking or dispersion of the core formed by stacking multiple heat exchange plates due to uneven force, and significantly improve the overall structural stability of the heat exchange core.

This invention provides a cooling device for a wind turbine gearbox, comprising a wind turbine gearbox; a housing and a cooling tank are respectively arranged on both sides of the gearbox; a heat exchanger is fixedly installed on one side of the housing, one end of the heat exchanger is fixedly connected to a first cooling pipe, the other end of the first cooling pipe is fixedly connected to a delivery pump, and the input end of the delivery pump is fixedly connected to a second cooling pipe. This invention, by setting up a housing and a cooling tank on both sides of the wind turbine gearbox and fixing a heat exchanger on one side of the housing, forms a closed-loop coolant circulation, achieving rapid heat conduction and uniform heat dissipation inside the wind turbine gearbox. The coolant circulates through the first, second, and third cooling pipes and the cooling tank, carrying the gearbox heat to the cooling tank and releasing it to the outside air through the heat exchanger, effectively reducing the gearbox temperature and improving the operational stability of the equipment.

The utility model relates to the technical field of shell and tube condenser, especially to a shell and tube condenser for 3, 5 - dimethyl benzoic acid, including shell and tube condenser body, the bottom of shell and tube condenser body is provided with support plate, is provided with clamping mechanism on the support plate, the bottom of support plate is provided with base, and the base is connected with support plate through lifting mechanism, and the opposite side of two clamping blocks is provided with rubber pad no.

The application discloses a graphite / silicon carbide composite phase change energy storage unit and a preparation method thereof. The graphite / silicon carbide composite phase change energy storage unit is prepared by the following basic processes: (1) 3D printing of mixed powder; (2) selective laser sintering of a phase change energy storage unit blank; (3) multiple carbonization and vacuum pressure impregnation densification pretreatment; (4) molten silicon infiltration sealing strengthening treatment; (5) loading of high-temperature molten salt; and (6) packaging. The graphite / silicon carbide composite phase change energy storage unit provided by the application has the advantages of simple preparation process, low cost, easy industrial production, high-temperature resistance, corrosion resistance, good mechanical properties, good packaging performance, high loading rate and the like. The existence of the three-dimensional porous graphite skeleton improves the energy conversion efficiency and heat transfer uniformity, and multiple phase change energy storage units are assembled together to form an energy storage device, which is expected to be applied to peak load shifting, waste heat recycling and reuse and periodic new energy rapid storage and release.

This utility model relates to the field of underwear molded cup technology, specifically disclosing a breathable underwear molded cup, including an underwear molded cup body. The underwear molded cup body is composed of a skin-friendly breathable layer, a three-dimensional support skeleton layer, and an outer shaping layer, arranged in the following order from the inside out: the underwear molded cup body consists of the skin-friendly breathable layer, the three-dimensional support skeleton layer, and the outer shaping layer. The three-dimensional support skeleton layer has a three-dimensional mesh structure and is filled with phase change temperature-regulating microcapsules. An air convection channel is formed between the three-dimensional support skeleton layer and the outer shaping layer. This utility model forms a self-driven air circulation system through a three-stage linkage of rapid moisture wicking by the skin-friendly breathable layer → vapor permeability through the mesh gaps of the three-dimensional support skeleton layer → active heat dissipation through the air convection channel, improving the breathability efficiency by more than 40% compared to traditional molded cups; at the same time, the phase change temperature-regulating microcapsules absorb / release heat when body temperature fluctuates, reducing the duration of stuffiness by 50%.

The application belongs to the field of batteries, and particularly relates to a battery pack and a heat transfer pipe. The application overcomes the problem of local high heat of a single battery pole in an existing battery pack, which causes thermal runaway. The battery pack comprises a plurality of battery components; the battery components comprise a battery module and two heat transfer pipes; the battery module comprises a plurality of single batteries; the two heat transfer pipes are arranged on total positive terminals and total negative terminals of the battery module respectively; each heat transfer pipe is provided with two mutually isolated sub-channels; in the plurality of battery components, the heat transfer pipes are connected in series in a set order; after cooling liquid enters a total liquid inlet end, the cooling liquid flows through one sub-channel in each heat transfer pipe in turn, and then flows through the other sub-channel in each heat transfer pipe in turn through a loop turning node, and finally flows out from a total liquid outlet end. The application directly contacts the heat transfer pipe with the polarity terminals of the single batteries, and simultaneously realizes efficient and balanced heat dissipation of the polarity terminals based on the series connection structure of the heat transfer pipes.

The utility model provides a high and low temperature impact test box, including impact test box, the inside of impact test box is high temperature test area and low temperature test area, is provided with test basket in test area, test basket is connected with the lifting assembly behind impact test box inside, is used for drive test basket to lift between high temperature test area and low temperature test area, the side surface of high temperature test area and low temperature test area is provided with the exchange hole, and the exchange hole is communicated to temperature control component, is used for controlling the temperature of high temperature test area and low temperature test area. The utility model, through setting first capillary and second capillary, and cooperate with the flow divider, can accurate distribution refrigerant's flow according to high and low temperature test area's refrigeration demand, both satisfy low temperature area forced cold load, and avoid high temperature area excessive refrigeration, reduce refrigerant invalid circulation, reduce compressor energy consumption, improve whole machine temperature control precision and energy saving nature.

The utility model belongs to biological sample detection technical field, concretely relates to a biological sample detection box. The utility model provides a biological sample detection box, aims at solving the problem of big volume and low detection efficiency of biological sample detection equipment in prior art. The utility model provides a biological sample detection box, including the membrane type micro -fluidic chip integrated in the box body, the preheating assembly for preheating in the sample extraction process, the drive assembly for driving liquid flow in the membrane type micro -fluidic chip and the temperature control assembly for heating or cooling the sample after extraction in the membrane type micro -fluidic chip. Adopting the membrane type micro -fluidic chip, the membrane type micro -fluidic chip and preheating assembly and temperature control assembly have greater contact area, so as to improve the heat exchange efficiency, and further improve the sample extraction and detection efficiency.