100results about How to "Avoid excessive heat" patented technology

The invention discloses anti-disorder winding equipment for electronic transformer manufacturing, and relates to the technical field of winding equipment.The anti-disorder winding equipment comprises a support, the support is fixedly installed at the top of a base, the support is hook-shaped, a through hole is formed in an opening in the top of the support, a connecting plate is rotatably connected to the interior of the through hole, and a middle plate is fixedly connected to the outer side of the connecting plate; the top of the middle plate is fixedly connected with an elastic plate, the elastic plate is fixedly connected with the inner wall of the through hole, the end, away from the support, of the connecting plate is rotationally connected with a limiting wheel, and the outer side of the limiting wheel is fixedly connected with a guide block. According to the anti-disorder winding equipment for manufacturing the electronic transformer, through the elastic force effect of the elastic plate, the limiting wheel at the top makes close contact with the top of the framework, so that the limiting wheel can be attached to the framework according to the actual shape of the framework, and the framework is round, oval or provided with some tiny irregular contours; and during working, the limiting wheel can be in close contact with irregular parts on the outer side of the framework, so that the framework is better fixed.

The utility model discloses full-automatic heat treatment equipment for screws, which comprises first rotating rollers, a grating, a second rotating roller, a quenching tank, a collecting pipe, a compressor, a support beam, a controller and a flow dividing pipe, the grating is arranged in the quenching tank, the first rotating rollers are arranged on two sides of the upper surface of the grating, the second rotating roller is arranged on the upper surface of the grating, and the compressor is arranged on the second rotating roller. One end of the first rotating roller and one end of the second rotating roller are both connected with servo motors, a compressor is installed on the upper surface of the bottom support, a controller is arranged on one side of the compressor, a collecting pipe and a flow dividing pipe are arranged on the outer walls of the two sides of the quenching tank correspondingly, and a cooling pipe penetrating through the interior of the quenching tank is connected between the collecting pipe and the flow dividing pipe; and temperature sensors are embedded in the inner walls of the two sides of the upper end of the quenching tank. According to the screw quenching device, heated screws can be continuously conveyed through the grating, continuous quenching treatment can be carried out in the quenching tank, meanwhile, quenching oil in the quenching tank can be cooled, and the situation that the quenching effect is affected due to the fact that the oil quenching temperature is too high is prevented.

The invention discloses a chip packaging module structure and an electronic product, and relates to the technical field of chip packaging, the chip packaging module structure comprises a PCB, an insulating substrate, a first radiator and a second radiator; the insulation substrate is arranged on the PCB, the insulation substrate is provided with a first side and a second side, the insulation substrate is provided with a first chip in an integrated mode, the first chip is located on the second side of the insulation substrate, the insulation substrate is provided with a plurality of via holes penetrating through the first side and the second side, metal is arranged in each via hole, at least part of the via holes are conductive holes, and the first chip is arranged on the first side of the insulation substrate. The metal in the conductive hole is used as a part of an electric connection structure between the PCB and the plurality of chips; the first radiator is in thermal conduction connection with the first chip; the second radiator is arranged on the other side of the PCB, and a longitudinal heat conduction structure is formed between the second radiator and the first chip, so that the second radiator is in heat conduction connection with the first chip; the technical scheme provided by the invention aims to improve the heat dissipation efficiency.

The belt transmission device comprises a bottom plate and a cover body, the cover body and the bottom plate are connected to form a containing cavity, a first belt wheel, a second belt wheel and a belt are arranged in the containing cavity, an air inlet opposite to the end face of the first belt wheel is formed in the cover body, and an air outlet opposite to the end face of the second belt wheel is formed in the cover body. A spoke of the first belt wheel is provided with an air channel, the first belt wheel is provided with air guide blades, and the bottom plate is provided with an air outlet opposite to the end face of the first belt wheel. According to the scheme, the problem that in the prior art, a belt is prone to being poor in durability due to too high temperature is solved.

The invention provides a method for assisting and strengthening a chemical reaction of a flow battery based on local ultrasound, which comprises the following steps of: (1) arranging ultrasonic transducers on bipolar plates of a positive half battery and a negative half battery of the flow battery, the arrangement position of the ultrasonic transducer on the bipolar plate and the size of the ultrasonic transducer enable the action area of ultrasound applied by the ultrasonic transducer to cover the flow dead zone in the porous electrode; (2) connecting a signal generator with an ultrasonic transducer through a power amplifier; and (3) in the operation process of the flow battery, starting the signal generator and the power amplifier to apply ultrasound to the flow battery through the ultrasonic transducer, and improving the flow velocity and the flow uniformity of the electrolyte in the porous electrode by utilizing the ultrasound so as to strengthen the chemical reaction of the flow battery. According to the method, the flow uniformity of the electrolyte in the porous electrode can be effectively improved, the flexible regulation and control of the flow field in the porous electrode of the flow battery are realized, and the ultrasonic power consumption of the regulation and control of the flow field in the electrode is reduced.

The present invention provides an engine waste heat heat exchange device, which is used to exchange the heat dissipated into the air by a gas engine arranged in an insulated box and the heat of the flue gas to a refrigerant, and has the following characteristics, including: a first shell, which is a closed shell, and has a flue gas inlet and a flue gas outlet; a second shell, which is a closed shell, connected to the first shell, and has a hot air inlet and a hot air outlet; a fan, which is arranged at the hot air inlet, and is used to blow the hot air in the insulated box into the hot air inlet; a refrigerant heat exchange unit, including a refrigerant inlet, a heat exchange component and a refrigerant outlet, a part of the heat exchange component is arranged in the first shell, another part is arranged in the second shell, and the rest is arranged outside the first shell and the second shell; a wastewater treatment box, which is arranged below the first box body, and is used to treat condensed water dissolved with nitrogen oxides produced in the first box body due to flue gas heat exchange.

The invention discloses a heat dissipation module and display equipment, the heat dissipation module comprises a plurality of radiators, a plurality of heat conduction pipes, a heat dissipation main body and a first support, a first cavity is formed in the heat dissipation main body, a second cavity is formed in each heat conduction pipe, and a valve is arranged at the joint of the heat dissipation main body and each heat conduction pipe; the first cavity and the second cavity are communicated or disconnected through a valve; the first cavity is filled with cooling liquid; a controller is arranged in the heat dissipation main body, a sensor is arranged in each heat conduction pipe, the sensors are electrically connected with the controller, the controller is electrically connected with each valve, and when the sensors detect that the heat conduction pipes reach a first preset state, the controller controls the valves in the corresponding heat conduction pipes to be opened; and when the sensor detects that the heat conduction pipe reaches a second preset state, the controller controls the valve in the corresponding heat conduction pipe to be closed. In this way, targeted cooling is formed on the local high-temperature area of the heat dissipation module, so that the heat dissipation stability of the heat dissipation module is guaranteed.

The invention provides a connecting cable, a vehicle and vehicle charging equipment. The connecting cable comprises a cable structure and a flexible cooling pipe at least used for containing a cooling medium. The cable structure comprises a rigid conductor tube and a first insulating layer arranged on the peripheral side of the rigid conductor tube, and the rigid conductor tube is electrically connected between a power supply and a load; the flexible cooling pipe can extend into the rigid conductor pipe through one end of the rigid conductor pipe and is in heat conduction contact with the rigid conductor pipe; and the end part of the cable structure is provided with a fixing piece, and the fixing piece is used for fixing the flexible cooling pipe on the cable structure after the flexible cooling pipe extends into the rigid conductor pipe, so that the current-carrying capability of the connecting cable can be improved.

The present application provides a kind of diuron granule moisture drying device, it is related to drying device technical field, including drying frame body and quartz heating tube, quartz heating tube is arranged on the inner wall of drying frame body, bottom support is arranged below the inside of drying frame body, the central position of bottom support top is equipped with heat dissipation cylinder, the bottom support top of heat dissipation cylinder outside is rotatably equipped with inner spiral and outer spiral, the diameter of inner spiral is less than outer spiral, hollow ring is arranged on the bottom support between inner spiral and outer spiral, clearance is left between the lower end of hollow ring and bottom support, the inside of drying frame body is equipped with rotating shaft.The slow rotation of inner spiral and outer spiral can lift the material originally located at the bottom to the upper, and drop from the upper end of hollow ring to the bottom, so circulation, not only can realize the mixing of material horizontal direction, but also can realize the mixing of up and down position, avoid the material located at the bottom is always not lifted, cause the problem of the material temperature of bottom to be too high.

The utility model discloses a flow battery guide plate for reducing electrolyte concentration difference, which comprises a body, the body is in a rectangular plate shape, and a positive electrode liquid inlet hole and a negative electrode liquid inlet hole which are used for feeding liquid and a positive electrode liquid outlet hole and a negative electrode liquid outlet hole which are used for discharging liquid are respectively arranged on two sides of a long edge of the body; a reaction chamber is arranged in the middle of the body, and two sides of the reaction chamber are respectively communicated with the positive electrode liquid outlet hole and the positive electrode liquid inlet hole through two diversion trenches; the diversion trench is communicated with the liquid storage tank, bosses are arranged between the liquid storage tank and the reaction chamber, and a permeation channel capable of allowing electrolyte to circulate is reserved between every two adjacent bosses; a flow guide block is arranged in the flow guide groove. The guide plate is provided with the liquid storage tank and the boss, so that the electrolyte can enter the reaction chamber from a plurality of parts at the same time, and the distance between the liquid inlet and the liquid outlet is reduced, so that the problems that the concentration difference of the electrolyte is increased and the local temperature of the battery is too high are avoided, and the service life of the battery is prolonged.

The utility model relates to the technical field of electric heating towel racks, in particular to an electric heating towel rack which comprises a storage box, a first shell, a second shell and a hollow connecting column, towels are hung on the second shell, a heating module is arranged in the second shell, and a heating plate in the heating module can heat and dry the towels. A control module is further arranged in the towel rack and comprises a light-emitting part and a light sensing part which are arranged on the first shell and the second shell respectively, whether the towel is hung on the second shell or not is sensed through cooperation of the light-emitting part and the light sensing part, and therefore whether the heating plate is heated or not is controlled, and the towel rack can heat the towel more intelligently and efficiently.

The invention relates to the technical field of stuffing grinding, and particularly discloses mung bean stuffing grinding treatment equipment which comprises an equipment base, a servo motor is fixedly mounted at the top of the equipment base, and a mixing assembly, a grinding assembly, a pretreatment assembly and a discharging hopper are further arranged at the top of the equipment base; the wall breaking mechanism can preliminarily smash and stir steamed mung beans through blades, the contact time of the mung beans and the mung beans is shortened, the problem that the temperature is too high due to long-time contact is avoided, then the smashed mung beans are thrown into the extrusion mechanism through centrifugal force, and the mung beans are extruded through the extrusion mechanism and pushed to the grinding assembly to be subjected to coarse and fine grinding; the mung beans can be stably ground and discharged, and are prevented from being attached to the inner wall of the grinding cylinder, so that the grinding quality is guaranteed, the grinding time is shortened, and the phenomenon that the nutritional value of a mung bean stuffing finished product is influenced by temperature rise due to long-time grinding is avoided.

The utility model relates to the technical field of stamping dies, and discloses a liquid cooling plate double-layer structure stamping die which comprises a bottom die and a top die, a support is fixed on the bottom die, an air injection pipe is fixed at one end, far away from the bottom die, of the support, a plurality of air injection openings are formed in the air injection pipe, two air supply structures are arranged on the bottom die, and the two air supply structures are arranged on the top die. The two air supply structures are arranged on the two sides of the bottom die correspondingly and communicate with the air spraying pipe. Through the continuous cooling effect, the temperature of the die and the temperature of a workpiece in the stamping process are effectively controlled, the problems of workpiece size deviation, poor shape and the like caused by thermal deformation and thermal fatigue are reduced, the stability and accuracy of stamping quality are guaranteed, the stamping quality is guaranteed through the effective cooling design, and the production efficiency is improved. And the maintenance period and the downtime of the die are reduced, and the production efficiency and the working continuity are improved.

The utility model provides two-stage sterilization equipment for bagged acidic drinks. The equipment comprises a feeding module, an enhanced heat transfer sterilization module and a cooling module which are connected in sequence, the enhanced heat transfer sterilization module comprises a fluid oscillation treatment section, a rapid heating section and a heating maintaining section; the fluid oscillation treatment section comprises a first chamber for accommodating raw materials to be treated and an oscillation element for driving the first chamber to generate mechanical oscillation with preset frequency and amplitude; the rapid heating section comprises a first heat exchange pipe and a first heating channel, the inner wall of the first heat exchange pipe is in a specific geometrical shape, and the specific geometrical shape comprises a continuous corrugated structure extending in the axial direction of the first heat exchange pipe, a spiral groove-shaped structure formed along the inner wall of the first heat exchange pipe and a static mixing structure fixedly arranged in the first heat exchange pipe. And a higher heating rate and more uniform temperature distribution can be realized in the rapid heating section, so that thermosensitive components in the natural acid beverage can be better protected while the sterilization effect is ensured, and the product quality is improved.

The utility model provides a lead-acid storage battery container formation acid mist filtering device which comprises a filtering box and a filtering mechanism, the filtering mechanism comprises a second U-shaped frame, the second U-shaped frame is installed in the filtering box in a drawing mode, and a detachable sealing plate is installed at the end of the second U-shaped frame; the two porous filter plates are distributed up and down at an interval and are mounted in the second U-shaped frame in a drawing manner. The filter mechanism is mounted in the filter box in a drawing manner, so that the filter mechanism is convenient to mount and dismount, meanwhile, the two porous filter plates which are distributed up and down at an interval and the ceramic porous filler placed in the two porous filter plates form a filter part, and the porous filter plates are mounted in the second U-shaped frame in a drawing manner, so that the filter mechanism is convenient to mount and dismount. The porous filter plate is convenient to mount and dismount, the porous filter plate is convenient to clean and maintain, new ceramic porous filler is convenient to replace, and the use performance of the filter device is ensured.

The utility model discloses an electromagnetic cooking utensil, and belongs to the technical field of kitchen utensils, the cooking utensil comprises a shell and an electromagnetic wire coil arranged in the shell, and further comprises a nonmetal first wave-absorbing shielding piece located between the shell and the electromagnetic wire coil, the first wave-absorbing shielding member is pasted and fixed on one side, facing the electromagnetic wire coil, of the housing. According to the application, an additional space for accommodating a fastener and a mechanical fixing structure is not needed in a sticking and fixing mode, so that the internal space of the cooking utensil can be more effectively utilized, reasonable utilization of the space is realized, on one hand, miniaturization of the whole cooking utensil is facilitated, on the other hand, the distance between the magnetic isolation sheet and the electromagnetic wire coil can be optimized, and the service life of the electromagnetic wire coil is prolonged. The probability of resonance of the magnetism isolating sheet under the action of magnetic field force is reduced, the mounting position of the magnetism isolating sheet is guaranteed, and therefore the magnetism isolating effect is guaranteed.

The present invention discloses a battery protection chip, a battery protector and a battery module, comprising a target control loop, a target selection pad and a target control pad; a target drive circuit connected to the target selection pad, the target control pad and the control end of each target switch tube; if the target selection pad is suspended or coupled to the negative electrode of the battery, and the battery protection chip detects a battery abnormality signal, the target drive circuit controls each target switch tube to be turned off; if the target selection pad is coupled to the positive electrode of the battery, each target switch tube is controlled to be turned off according to the target control signal received by the target control pad, when the battery protector comprises at least two battery protection chips connected in parallel, the Rds (ON) in the battery protector is reduced, and at the same time, it is avoided that the target switch tube in one battery protection chip is turned on and the target switch tube in another battery protection chip is turned off, thereby reducing the overall impedance of the battery protector, thereby improving the efficiency of the battery protector.

The application discloses a wafer pedestal, a chemical vapor deposition device and a use method. The wafer pedestal comprises a heater for heating a wafer to be processed; a plurality of bosses are arranged on the heater at intervals; one end of each boss is connected with the heater; and the height of each boss exposed above the heater is adjustable, so that the other end of each boss supports the wafer. By adjusting the height of each boss exposed above the heater, the wafer pedestal can support different types of wafers and adjust the heat distribution on the wafers, so that different types of wafers are uniformly heated and uniformly stressed.

The invention relates to the technical field of environmental restoration, and discloses a method for preserving high-activity iron particles based on a synergistic polysaccharide polymer network structure. The method comprises the following steps: (1) preparing a polysaccharide polymer A aqueous solution and a polysaccharide polymer B aqueous solution; the concentration of the polysaccharide polymer A aqueous solution is 2-20g / L; (2) adding the polysaccharide polymer A aqueous solution into high-activity iron particles, and performing first stirring to obtain mixed slurry I; and (3) adding the mixed slurry I into the aqueous solution of the polysaccharide polymer B, carrying out secondary stirring to obtain mixed slurry II, standing, and after the polymer is fully crosslinked, forming a compact three-dimensional network structure to obtain the semi-solid composite system with the storage modulus being greater than or equal to 3Pa and the loss modulus being greater than or equal to 40Pa. The method provided by the invention not only improves the safety of the high-activity iron particles, but also effectively maintains the chemical activity of the high-activity iron particles.

This utility model relates to the field of motor cooling technology and provides an axial thermal expansion compensation interface for a heat exchanger, including a corrugated cooling main pipe; a flow divider cone, which is riveted to the end inlet of the corrugated cooling main pipe by multiple reinforcing ribs welded to its periphery; a high thermal conductivity collar, which is movably connected to the outside of the corrugated cooling main pipe; a compensation extension pipe, which is connected to one end of the high thermal conductivity collar; and a base, which is disposed on one side of the compensation extension pipe and whose bottom is stably connected to the end of the compensation extension pipe by a quick connector; wherein, the length of the corrugated cooling main pipe covers the entire axial length of a single motor, and its structure is continuous and seamless, with three-dimensional corrugated microribs spun on the inner wall. This utility model, through the corrugated cooling main pipe and the high thermal conductivity collar, rapidly conducts local heat, guides the uniform flow of the medium, significantly reduces the temperature difference of hot spots in the motor, and improves the stability and lifespan of the motor.

The utility model discloses an annular array light source for microbiological detection, which comprises a substrate, a plurality of integrated light sources are arranged on the end face of one side of the substrate along annular paths with different diameters, and the integrated light sources can emit different wavelength ranges and different polychromatic lights; a transparent annular cover is arranged outside the integrated light source along an annular path, and a soft light TIR lens is arranged at the position, corresponding to the integrated light source, of the transparent annular cover. A water cooling disc is arranged on the end face of the other side of the substrate, and a heat transfer piece is arranged around the integrated light source and connected with the water cooling disc. According to the utility model, organisms in sewage are uniformly irradiated at a specific light beam angle in an annular arrangement manner, and the working temperature of the light sources which are densely arranged can be effectively reduced.

The invention provides high-protein low-sugar milk shake capable of improving memory and a preparation method of the high-protein low-sugar milk shake. The high-protein low-sugar milk shake comprises the following components: fresh milk, soybean protein isolate, dihydroquercetin powder, maltodextrin, resistant dextrin, ginseng powder, coconut milk powder, erythritol, multivitamins, mineral powder, folic acid, N-acetylneuraminic acid and peach gum. Compared with existing milkshake which is single in nutritional ingredient, the dihydroquercetin powder is formed by modifying dihydroquercetin through amino acid, biocompatibility and water solubility are obviously improved, and the dihydroquercetin milkshake has good free radical scavenging and anti-inflammatory effects and promotes growth of neurons. If the traditional Chinese medicine composition is used, the synthesis of acetylcholine in the brain is promoted, the neurotransmission effect is enhanced, and the memory is improved by cooperating with dihydroquercetin.

The invention relates to a light-emitting element control circuit, a control method and electronic equipment. The light-emitting element control circuit comprises a power output module and a driving module, the power output module is electrically connected with the driving module; the driving module is electrically connected with the light-emitting element; the driving module is used for providing driving voltage for the light-emitting element and feeding back the driving voltage to the power output module; and the power output module is used for providing working voltage for the driving module and controlling the voltage difference between the working voltage and the driving voltage to be constant according to the acquired driving voltage. According to the invention, the heating phenomenon of the driving module can be improved, the number of light-emitting element channels conducted by the driving module can be increased, and the channel utilization rate is improved.

The invention belongs to the technical field of sewage treatment, and particularly discloses a box type biological sewage treatment device which comprises a base, a sewage treatment box is fixedly connected to the upper end of the base, a layering plate is fixedly connected to the bottom of the inner side of the sewage treatment box, and a materialization mechanism is arranged on the side, close to the layering plate, of the bottom of the inner side of the sewage treatment box. A treatment mechanism is arranged on the inner side of the sewage treatment box, a communication isolation plate is fixedly connected to the side, close to the physicochemical mechanism, of the bottom of the inner side of the sewage treatment box, and a water pump is installed on the front side, close to the sewage treatment box, of the upper end of the base. Through cooperation of the treatment mechanism and the physicochemical mechanism, a biological agent can be added for pretreatment, the fusion reaction efficiency of the biological agent and sewage is improved, the sewage and the biological agent are fused, meanwhile, the sewage can be filtered more finely, and the whole device is relatively simple to operate.

According to the temperature early warning method based on electric energy control and the terminal, the energy storage voltage value and the temperature data are obtained, whether the temperature change of the current detected device is abnormally increased or decreased or not is judged, and when it is detected that the energy storage voltage value and the temperature change both exceed the voltage threshold value and the temperature threshold value, the temperature early warning is performed. The current temperature value can be directly reported without waiting for the next data reporting period, in this way, the problem that the temperature is too high due to the fact that the data reporting period is too long and data reporting is not timely is avoided, data reporting can be conducted in advance for abnormal temperature, and the temperature early warning function is achieved. After data reporting is completed in advance, the work cycle is dynamically adjusted according to the energy storage voltage value, so that it is guaranteed that the device supplements electric energy consumed by data reporting in the dormancy period, and power failure shutdown caused by insufficient electric energy is avoided.

The utility model provides a kind of PFA hollow fiber membrane coating equipment, it is related to PFA hollow fiber membrane processing technical field, and it includes: vacuum coating machine body, the vacuum coating machine body lower end fixed support has base frame, the vacuum coating machine body vacuum chamber right side is provided with moving stage, the moving stage upper end is connected with the central shaft of hot-pressing guide roller by fixed plate frame, the central shaft of hot-pressing guide roller rear side is connected with motor by belt drive pulley, the hot-pressing guide roller front and rear end is connected with heat conducting oil heater by hot oil input hose and hot oil output hose respectively, the hot-pressing guide roller outer side end is compounded and is provided with heat exchange outer roller surface, oil passage is arranged between the hot-pressing guide roller and heat exchange outer roller surface, the hot-pressing guide roller left and right side is distributed with unwinding roller and winding roller.The utility model solves the problem that the existing technology causes PFA hollow fiber membrane coating local excessive heating or insufficient damage in winding due to the temperature difference between the two ends and the middle of hot-pressing roller caused by thermal inertia.

The utility model relates to the technical field of fuel cells, in particular to a temperature control device of a fuel cell. Comprising a fuel battery pack, a lithium battery pack and an auxiliary assembly, the auxiliary assembly comprises a first electric control valve, a first guide pipe, a second guide pipe, a first temperature sensor, a one-way valve, a conveying component and a self-discharging component, and during work, high-temperature tail gas generated during work of the fuel battery pack is conveyed into the lithium battery pack through the conveying component; cooler airflow in the lithium battery pack can pass through the first electric control valve on one side, the first guide pipe, the one-way valve, the second guide pipe and the first electric control valve on the other side to lead to the fuel battery pack, circulating convection is formed, uniform heating of the lithium battery pack is achieved, too high local heating of the lithium battery pack is avoided, circulating convection can be formed during use, and the service life of the lithium battery pack is prolonged. Uniform heating of the lithium battery pack is facilitated, overhigh local heating of the lithium battery pack is avoided, and use is facilitated.

The combustion chamber of the air cooling structure comprises a combustor and a combustion chamber frame, the upper portion and the lower portion of the combustion chamber frame are open, the periphery of the combustion chamber frame is provided with side walls, the combustor is arranged at the bottom of the combustion chamber frame, and the opposite side walls of the combustion chamber frame are each composed of three layers of structural plates. The other opposite side wall of the combustion chamber frame is composed of two layers of structural plates, a gap between every two adjacent structural plates forms an air channel, each layer of structural plate is provided with a ventilation opening, and the ventilation openings in every two adjacent structural plates are arranged in a staggered mode. A coil pipe of the heat exchanger is omitted, a combustion chamber on the lower portion of the heat exchanger is changed into the combustion chamber of an air cooling structure, the phenomena of coil pipe corrosion and combustion chamber wall corrosion can be effectively avoided, the risks of water leakage, flue gas deterioration, flame overflow and the like are reduced, and the problem that the surface temperature of the combustion chamber is too high due to the fact that the coil pipe is omitted can be solved.

The present invention provides an engine waste heat heat exchange device, which is used to exchange the heat dissipated into the air by a gas engine arranged in an insulated box and the heat of the flue gas to a refrigerant, and is characterized in that it has the following features, including: a first shell, which is a closed shell, having a flue gas inlet and a flue gas outlet; a second shell, which is a closed shell, connected to the first shell, and having a hot air inlet and a hot air outlet; a fan, which is arranged at the hot air inlet, and is used to blow the hot air in the insulated box into the hot air inlet; a refrigerant heat exchange unit, including a heat exchange component, a part of the heat exchange component is arranged in the first shell, another part is arranged in the second shell, and the rest is arranged outside the first shell and the second shell.