2115 results about "Heat transmission" patented technology

The invention provides a power plant heat tracing system intelligent optimization method based on environment temperature fluctuation, and relates to the technical field of temperature control of a power plant heat tracing system, and the method comprises the following steps: S1, data collection and preprocessing: deploying a sensor array, collecting an operation data signal # imgabs0 # of a power plant heat tracing pipeline, carrying out the preprocessing of the operation data signal # imgabs1 #, and storing the preprocessed operation data signal # imgabs0 #; outputting a standardized feature vector; s2, model establishment and parameter optimization: constructing a physical-data dual-drive heat transfer model, and inputting standardized feature vector optimization initial parameters; compared with the prior art, the method has the following beneficial effects: firstly, control parameters can be automatically adjusted according to factors such as thermal load change, external environment temperature fluctuation and equipment aging; and secondly, the temperature trend in the future short time can be predicted by constructing a heat transfer dynamic model, the control strategy is adjusted in advance, the temperature is prevented from being out of control, heat dissipation can be increased in advance or heat source input can be adjusted in advance, and safe and efficient operation of the system is effectively guaranteed.

The invention provides a performance optimization and regulation method for a high-temperature sintering furnace, and belongs to the technical field of intelligent regulation, and the performance optimization and regulation method comprises the following steps: arranging sensors in each heating area of the high-temperature sintering furnace, and monitoring the heating areas in real time; constructing a heating area operation state database, comparing the collected real-time data with a preset sintering process parameter range, and analyzing to obtain a performance analysis set of each heating area; establishing a three-dimensional heat conduction model, simulating heat flow distribution of each heating area under different heating powers and temperature settings, determining a thermal coupling effect of each heating area in different stages, and determining a heat transfer coefficient between adjacent heating areas; and an initial strategy of the high-temperature sintering furnace is determined, the initial strategy is optimized based on the auxiliary parameters of all the heating areas, and all the heating areas of the high-temperature sintering furnace are regulated and controlled according to the optimization strategy. The problems of inaccurate temperature control, single parameter analysis, insufficient thermal coupling effect processing and the like in the traditional regulation and control technology are effectively solved.

A repulpable container defines a cavity and a cavity opening at a top end of the repulpable container, both the cavity and the opening defined by a film layer, the film layer disposed on a first paper layer, the film layer configured to reduce heat transfer between the cavity and the first paper layer, the first paper layer arranged proximate to a second paper layer with at least one void therebetween.

The invention discloses a control method and system suitable for a massage physiotherapy instrument, and relates to the technical field of physiotherapy equipment, and the method comprises the steps: collecting the physical sign parameters of a user in real time, analyzing the muscle, meridian and pain states, and generating matched personalized treatment parameters; based on the personalized treatment parameters, the negative pressure adsorption force of the target area is dynamically adjusted, and the adsorption state is monitored in real time; applying an intermediate-frequency electric pulse to a target area on the basis of negative-pressure adsorption, and dynamically adjusting an electric pulse parameter in combination with an adsorption state; on the basis of feedback data of the target area after the medium-frequency electric pulse effect, controllable heat is transferred to the deep tissue through a heat energy device in the negative pressure adsorption area; after controllable heat transfer is completed, high-frequency sound waves are released in the negative-pressure adsorption area for cell gap micro-vibration; according to feedback data, a heat energy transfer mechanism accurately acts on deep tissues, blood flow is improved, and muscle relaxation is promoted.

The invention discloses an energy-saving control method and system for drying equipment, relates to the technical field of energy saving, and aims to remarkably improve the drying efficiency and reduce the energy consumption by accurately controlling heat flow transfer and optimizing the heating process. Comprising the steps of firstly obtaining material parameters and establishing a heat flow simulation model; the power of a heating source is controlled through a multi-layer heat transfer adjusting mechanism, and it is ensured that each layer of material reaches the preset heat transfer condition in the whole drying process; dynamically adjusting heating source power and airflow parameters according to material surface temperature, humidity and airflow data detected in real time; optimizing a heat transfer efficiency function by using a genetic algorithm to improve heat distribution efficiency; the heating source power and the airflow direction are adjusted by monitoring the material moisture change in real time. The system comprises a data acquisition module, a heat flow simulation module, a feedback control module, a genetic algorithm optimization module, a moisture monitoring module and an increment updating module, the energy efficiency of the drying equipment is improved, and energy consumption is reduced.

The invention discloses a two-phase immersed liquid cooling device which is applied to the technical field of heat dissipation equipment. The device comprises a closed container, wherein cooling liquid is arranged in the closed container; the condensation circulating mechanism is used for cooling the cooling liquid in the closed container; the heat source is immersed in the cooling liquid; the movement mechanism comprises a movement part and a driving part; at least part of the moving part is immersed in the cooling liquid, and the immersed part of the moving part is fixedly connected with the heat source; the driving part is in transmission connection with the moving part, and transmission of the driving part is used for moving and / or rotating the heat source to change distribution of cooling liquid around the heat source. After the heat source is driven to move, the position of the heat source is changed, so that the heat source is transferred from the original cooling liquid with higher temperature to the cooling liquid with lower temperature and drives the cooling liquid around the heat source to move, the cooling liquid is prevented from being still all the time, the heat transfer capacity of the cooling liquid is improved, and the heat dissipation effect of the two-phase immersed liquid cooling is further improved.

A three-dimensional heat transfer device includes a vapor chamber and a plurality of flatten heat pipes. The flatten heat pipes are disposed on the vapor chamber and arranged along an extension direction of a short side of the vapor chamber. Major axes of cross-sections of the flatten heat pipes are parallel to a long side of the vapor chamber.

A polyimide film production line, comprising a steel belt casting machine (A), a peeling transition unit (B), a transverse stretching machine (C), an inspection unit (D), an annealing unit (E) and a winding unit (F) which are sequentially arranged, wherein a drying oven (1) of the steel belt casting machine (A) comprises a frame (11), outer thermally-insulating structures (5) arranged on two sides of the frame (11), and an upper air duct assembly (193) and a lower air duct assembly (194) which are arranged on the frame (11); the frame (11) comprises a bottom thermally-insulating layer (111), a middle-lower heat thermally-insulating layer (112), a middle-upper thermally-insulating layer (113) and a top thermally-insulating layer (114) which are sequentially spaced apart from each other from bottom to top and are parallel to each other; and the transverse stretching machine (C) comprises a transverse pulling box body (7) and a conveying system, and inner tracks (85) located in the transverse pulling box body (7) and outer tracks (86) located outside the transverse pulling box body (7) are provided between a driving sprocket assembly (82) and a driven sprocket assembly (81) of the conveying system. The polyimide film production line effectively reduces the total heating space in the drying box (1) and in the transverse pulling box body (7), the structure is more compact, and the heat loss during heat transfer is reduced, such that the energy consumption can be reduced, and the production cost is reduced.

The invention discloses a motor with heat pipe integrated arc-shaped radiating fins, and relates to the technical field of motors. In order to solve the problems that in the long-time operation process of an existing motor, due to the fact that internal assemblies such as a winding and an iron core generate a large amount of heat, straight-strip-shaped or blade-shaped cooling fins are adopted, the cooling effect is poor, the motor is overheated, and then the driving efficiency of the motor is reduced. A plurality of arc-shaped heat dissipation fins are evenly arranged on the outer surface of a shell in the circumferential direction, each arc-shaped heat dissipation fin comprises a channel, an evaporation section and a condensation section, the condensation section is in an arc shape, the evaporation section and the condensation section are connected end to end, the channels are machined in the evaporation section and the condensation section in the length direction, the surface area is increased through the arc-shaped heat dissipation fins, and the heat dissipation efficiency is improved. The air flow path is optimized, the heat pipes are arranged in the channels in the arc-shaped heat dissipation fins, heat on the surface of the shell is better transmitted to the outer sides of the fins through the heat pipes, heat transmission is accelerated, and the temperature rise of the motor during working is effectively reduced. The invention is suitable for the field of motor heat dissipation.

Structural insulated wall and roof sheathing systems for use in building construction designed to provide a structural building envelope that is moisture permeable but protects from bulk water, excess air, and thermal transfer.

The invention relates to the technical field of data processing, and discloses a heat supply network heat supply system control method based on a prediction model, and the method comprises the steps: S1, collecting historical operation data and real-time operation data of a heat supply network heat supply system, S2, carrying out the preprocessing of the historical operation data and the real-time operation data, and generating a standardized heat supply data set; by constructing a prediction model based on historical data and real-time data, the thermal load demand change in a future time period can be dynamically predicted, the problem of adjustment lag caused by dependence on a static model in a traditional control method is solved, the response ability of a heat supply system to extreme weather and user demand sudden change is improved, and the heat supply efficiency is improved. The stability and reliability of heat supply quality are guaranteed, the time hysteresis between a regulation and control instruction and the actual heat supply effect is reduced by analyzing the heat transmission characteristic and the delay effect of each node of the pipe network in real time, the phenomena of insufficient heat supply and energy waste caused by untimely regulation of the system are avoided, and the energy consumption is reduced. And the operation efficiency and the energy utilization rate of the heat supply system are improved.

The invention discloses a planning design and optimized operation method for a heat supply system introducing a long-distance heat source, which comprises the following steps: acquiring basic data of the long-distance heat source to be introduced into the heat supply system in a heating season, and analyzing the operation mode change and dynamic characteristic change of a heat supply network of the existing heat supply system after the long-distance heat source is introduced; performing quantitative analysis and comparison on the plurality of heat supply network planning and design schemes in combination with external heat supply industry evolution data in a heat supply season to obtain an optimal heat supply network planning and design scheme; spatial characteristic data and time characteristic data related to the heat supply system are obtained, a space-time model of the heat supply system is established, and heat load prediction of each heat supply network area is carried out in combination with the heat load multi-dimensional influence data; and according to the heat load prediction value of each heat supply network area, combining the multi-dimensional heat supply loss, the heat source output characteristic and the heat supply network heat transmission and distribution characteristic of the long-distance heat source and the traditional heat source, and considering a heat source optimization operation target and a heat supply network regulation and control target, establishing a multi-time scale optimization operation model, and obtaining a corresponding optimization operation strategy.

The embodiment of the utility model relates to the technical field of energy storage equipment, and provides a liquid-cooled bus and power equipment, the liquid-cooled bus comprises a first busbar and a second busbar, at least part of the first busbar is used for being installed in a cabinet body of the power equipment, and the second busbar is used for being installed in the cabinet body of the power equipment. The second busbars and the first busbars are arranged along the extension direction of the liquid-cooled bus, and the first busbars corresponding to the adjacent cabinet bodies are detachably connected through the second busbars. The first busbar and the second busbar extend along a first direction, and the larger surfaces of the first busbar and the second busbar are vertically arranged; the first busbar and / or the second busbar are / is internally provided with a cavity, and the cavity is used for containing a cooling medium. According to the invention, the first busbar and / or the second busbar are / is cooled in a heat transfer manner, so that the normal operation of the power equipment is ensured.

According to the aerosol generating product and the aerosol generating system provided by the embodiment of the invention, the aerosol generating product comprises the medium section, the functional section and the filtering section which are sequentially arranged in the first direction, and the medium section and the functional section are both of an integrated structure; at least one first air passage hole is formed in the medium section and penetrates through at least one end, in the first direction, of the medium section; at least one second air channel hole is formed in the functional section and penetrates through at least one end, in the first direction, of the functional section. According to the aerosol generating product provided by the embodiment of the invention, the medium section and the functional section are of the integrated structure, so that the high-temperature resistance of the functional section is improved, the structural stability of the functional section is improved, the functional section is not prone to deformation and fusion after being heated, the conditions of miscellaneous gas release, suction resistance influence and airway blockage can be improved to a certain extent, and the aerosol generating effect is improved. Therefore, the use experience of the user is improved. In addition, the surface area of the medium section can be increased through the first air channel holes, heat transfer is facilitated, and the heating efficiency is improved.

The invention relates to the technical field of welding, in particular to a battery shell laser welding process method and device.The battery shell laser welding process method comprises the steps that a battery shell joint face is subjected to laser fine tuning treatment, and image data are obtained; obtaining a lattice structure data set of the micro lattices, adjusting the arrangement direction and the grain boundary position of the micro lattices to optimize the lattice structure data set, and obtaining an optimized grain distribution data set; microtopography data in the surface state of the joint face are recognized to obtain surface roughness data, thermal stress simulation analysis is conducted, region division processing is conducted on the thermal stress distribution situation to obtain a thermal stress gradient data set, and the thermal conductivity difference of the joint face is analyzed based on the thermal stress gradient data set to obtain a thermal transfer data set; and the heat transfer data set and the grain distribution data set are combined, optimal laser welding parameters are obtained, and a welding robot is controlled to conduct welding. Welding defects caused by uneven thermal stress in the battery shell welding process are reduced, and the consistency of welding quality is improved.

The invention relates to an anti-explosion high-temperature-resistant explosion test pipeline design method based on finite element simulation, and belongs to the field of pipeline design and application. According to the method, mechanical and heat transfer behaviors of the pipeline under the combined action of high temperature and explosive shock waves are analyzed by simulating extreme working conditions such as explosion, fire blast and detonation, and the safety performance of the pipeline is improved. The method comprises the following specific steps: firstly, setting explosion working condition parameters based on test requirements and related standards; secondly, establishing a three-dimensional finite element model, and performing fluid dynamic simulation analysis; then, through thermodynamics and explosion impact data analysis, temperature, pressure and stress distribution is obtained, and design parameters such as the geometric structure, the material and the wall thickness of the pipeline are optimized; and finally, verifying the safety and the stability through experiments. The method improves the design efficiency and reliability, and is suitable for high-risk experiment environments such as petrochemical engineering and mines.

The invention relates to an energy efficiency optimization method for a dynamic load of a central air conditioner, which comprises the following steps of: establishing a response relationship among a cold and heat source, a transmission and distribution system and end equipment, identifying a nonlinear decoupling characteristic of a cold and heat response behavior by monitoring operation deflection of each level of equipment under a low-load working condition, and defining and updating a cooling capacity response deviation threshold in real time; on the basis of the cooling capacity response deviation threshold, delay compression control is conducted on response actions of the refrigerant side and the air medium side, and by adjusting the air side response time sequence in advance, dynamic thermodynamic equilibrium is formed between refrigerant transfer delay and air medium response in advance; by establishing the response relationship among the cold and heat source, the transmission and distribution system and the end equipment and introducing a cold capacity response deviation threshold dynamic updating mechanism, nonlinear coupling mismatch in a cold and heat transmission chain can be accurately identified, so that the system is more flexible to operate under low-load and variable-load conditions, frequent start and stop or redundant operation of the cold and heat source is avoided, and the system reliability is improved. And therefore, the overall COP value of the system is remarkably increased, and unit cooling capacity consumption is reduced.

To provide a heat transfer suppression sheet that can further suppress the propagation of heat between battery cells in the event of an abnormality and suppress the destruction of the battery case and the deterioration of battery performance due to deformation of the battery cells, and to provide a battery pack that can suppress the destruction of the battery case and the deterioration of battery performance while suppressing the propagation of heat between the battery cells, and that is easy to design and assemble.SOLUTION: A heat transfer suppression sheet 50 has: an insulating material 10 having inorganic particles 4 and organic fibres 1 or inorganic fibres 15; and an elastic sheet 51 laminated on at least one of a first surface 10a and a second surface 10b that are perpendicular to the thickness direction of the insulating material 10. In addition, a battery pack 100 has a plurality of battery cells 20a, 20b, 20c and the heat transfer suppression sheet 50. The plurality of battery cells 20a, 20b, 20c are connected in series or in parallel.SELECTED DRAWING: Figure 1A

The embodiment of the invention discloses a pipeline heat loss prediction method and device based on online monitoring and a medium. The method comprises the following steps: monitoring thermal parameters of the heat supply pipeline in real time through monitoring equipment deployed on the heat supply pipeline; according to the failure days, the failure range and the failure probability of the heat supply pipeline heat preservation layer, a theoretical formula for calculating heat loss through the heat supply parameters is constructed; the theoretical formula is used as a control equation, and a finite element analysis method is used for conducting simulation analysis on the heat transfer process of the heat pipeline; correcting the theoretical formula by using monitoring data, theoretical data and simulation data to obtain a heat loss prediction model of the heat pipeline; and utilizing the prediction model to predict the heat loss under any heat supply parameter setting. According to the embodiment, the accuracy of heat loss prediction can be improved.

The invention provides a multi-area temperature collaborative management method and system for a high-low temperature all-in-one machine. According to the method, the temperature gradient data of each temperature region and the thermal imaging data of the surface of the non-uniform material are collected in real time, and the recognition of the abnormal region of the heat conduction path is combined, so that the heat transfer lag characteristics of the material are extracted, and the region thermal inertia compensation coefficient map is generated. An infrared reflectivity distribution matrix is further constructed according to the dynamic change trend of the atlas, and the infrared reflectivity of each area is adjusted to optimize the distribution parameters of the heat absorptivity. And finally, carrying out spatial correlation on the thermal response delay evolution path and the thermal absorption rate parameter to generate a multi-region collaborative temperature regulation and control instruction. Through thermal inertia compensation and thermal absorption rate dynamic adjustment, accurate matching and dynamic balance control of a multi-region temperature field of the non-uniform material are realized. The efficiency and precision of multi-area temperature collaborative management of the high and low temperature all-in-one machine can be improved.

The present invention discloses a cryogenic liquid insulated tank truck, comprising a traction pin assembly arranged on an outer container tank body of a double-layer tank body, a wave-proof device arranged in an inner container of the double-layer tank body, and a liquid phase damper for pressure measurement arranged on the double-layer tank body; the traction pin assembly comprises a traction chamber arranged in a traction base, and a composite elastic deformation body installed in the traction chamber, the composite elastic deformation body comprises a rigid body slidably arranged in the traction chamber in a horizontal direction, and an elastic body arranged on the rigid body, an elastic deformation connection is formed between the elastic body in the composite elastic deformation body and the traction chamber in a horizontal direction, and a traction pin is vertically arranged on the rigid body in the composite elastic deformation body; a wave-absorbing module is arranged on the wave-proof device; and a heat transfer balance automatic compensator is arranged on the liquid phase damper for pressure measurement. The present invention improves the safety of cryogenic liquid insulated tank trucks.

The embodiment of the invention provides a temperature monitoring optical cable and a cable assembly, and belongs to the field of optical cables. The temperature monitoring optical cable comprises a heating cable body, a heat transfer layer, at least one pressure sensing unit, a heat preservation buffer layer and a temperature sensing layer. The heat transfer layer covers the heating cable body so as to transfer heat of the heating cable body; the pressure sensing unit is arranged on the outer side of the heat transfer layer and extends in the length direction of the heating cable body; the temperature sensing layer wraps the pressure sensing unit, the temperature sensing layer is configured to apply pressure to one side of the pressure sensing unit according to temperature change, the pressure sensing unit generates a strain signal when being subjected to pressure so as to feed back the temperature of the temperature sensing layer, and the heat preservation buffer layer is used for preventing heat of the heating cable body from being transmitted to the temperature sensing layer. According to the temperature monitoring optical cable provided by the embodiment of the invention, the temperature of the environment where the superconducting cable of the cable assembly is located can be continuously monitored, and the working temperature monitoring precision of the superconducting cable is improved.

The invention provides an ultrathin liquid metal thermal interface material based on dynamic infiltration regulation and a preparation method, the ultrathin liquid metal thermal interface material is composed of a high-purity liquid metal main body and liquid metal dynamic infiltration adhesion layers connected to the two sides of the high-purity liquid metal main body, the material of the liquid metal dynamic infiltration adhesion layer is the same as that of the high-purity liquid metal main body, and the liquid metal dynamic infiltration adhesion layer is spread on the surface of the heating substrate and the surface of the heat dissipation substrate respectively. According to the method, the ultrathin metal liquid layer formed through dynamic infiltration is directly used as a heat transfer medium, molecular-level seamless attachment between the liquid metal and the substrate material interface is achieved, the ultrathin thermal interface with the minimum thickness of only nanoscale 1-1000 nm can be obtained, the contact thermal resistance is greatly reduced, the actually measured interface thermal conductivity can reach 25.9-47.1 W / m <-1 >. K <-1 >, and the thermal conductivity of the interface is greatly improved. The measured value far exceeds the measured value of the current commercial thermal interface material; the dynamic infiltration regulation and control means provided by the invention has universality and can be widely applied to various different heating and heat dissipation substrate materials.

The invention discloses an automatic experiment method capable of covering more reaction types, and belongs to the technical field of chemical synthesis. The unit operation is divided into material transmission (solid-liquid-gas feeding), heat transfer (evaporation and condensation), treatment processes (distillation, extraction and adsorption) and thermal processes (temperature, pressure and liquefaction) according to chemical operation units. All equipment and mechanisms are operated, the accuracy of feeding, reaction and the like can be kept, and the conditions of cross contamination and work errors are reduced; the device has the advantages that the device is simple in structure and convenient to operate, harm to experimenters caused by toxic substances can be effectively reduced without manual operation, all-weather use can be achieved through programs and equipment, a Python instruction can be directly copied and used, different reactants can be prepared according to different requirements, and compared with labor, the device has the advantages that the cost is lower, and benefits are higher.

The present invention discloses a plate heat exchanger. The plate heat exchanger includes a plurality of heat transfer plates, and heat exchange spaces formed between adjacent heat transfer plates of the plurality of heat transfer plates, the heat exchange spaces including a plurality of first heat exchange spaces for a first heat transfer medium, a plurality of second heat exchange spaces for a second heat transfer medium, and a plurality of third heat exchange spaces for a third heat transfer medium, and each of the plurality of first heat exchange spaces and the plurality of second heat exchange spaces being adjacent to one or two of the plurality of third heat exchange spaces in an overlapping direction of the heat transfer plates, wherein the number of the plurality of first heat exchange spaces is different from the number of the plurality of second heat exchange spaces. By using the plate heat exchanger according to the embodiments of the present invention, the heat transfer area of each circuit can be optimized, so as to improve the heat exchange efficiency.

According to the temperature value calculation method, the air conditioner control method and the air conditioner, the temperature output function built in an intelligent power module is utilized, and the characteristic that the intelligent power module and a power factor correction module in an air conditioner driving board have the same or similar heat transfer structures is combined; and establishing a temperature calculation method based on the heat transfer model. The temperature (third temperature value) of the intelligent power module is calculated by obtaining the environment temperature (second temperature value) and the power value of the intelligent power module, and the accuracy of the heat transfer model is verified according to the temperature (third temperature value). And under the condition that the model verification is passed, further combining the power value of the power factor correction module and the environment temperature, and calculating the temperature (fourth temperature value) of the power factor correction module through a heat transfer model of the power factor correction module. According to the method, the temperature of the power device of the power factor correction module in the air conditioner driving board can be accurately calculated on the premise of not adding an additional temperature sensor.

The invention relates to the technical field of data processing, in particular to a bridge construction structure health state real-time monitoring system, which acquires temperature data including temperatures at a plurality of moments at different positions of a bridge construction structure in real time in the pouring process of the bridge construction structure, and calculates the health state of the bridge construction structure according to the temperature data at the different positions. And determining the temperature change correlation between different positions at each moment, and determining the heat transfer influence degrees of the different positions at each moment according to the temperature change correlation, so as to determine the target temperature anomaly degrees of the different positions at each moment according to the temperature data of the different positions, the temperature change correlation and the heat transfer influence degrees. According to the temperature anomaly degree and the preset anomaly threshold, the health states of the different positions are determined, and the temperature change correlation and the heat transfer influence degree between the different positions are considered, so that the target temperature anomaly degree of the different positions is more accurate, and the monitoring accuracy of the health states is improved.

An assembly for selectively aerating and heating or cooling a beverage. The assembly includes a body that receives the beverage, a heat transfer element having a control temperature, a diverter in communication with and coupled to the body, and an aerator in communication with the diverter, the aerator including a plurality of flow features and an outlet. The heat transfer element carried by the body, such that the heat transfer element is arranged to change a temperature of the beverage in the body using the control temperature. When the diverter is in a first position, the flow features are accessible and the beverage flows through the body portion, along the plurality of flow features, and through the outlet. When the diverter member is in a second position, the flow features are not accessible and the beverage flows through the body portion and through the outlet while bypassing the flow features.

Retrofit kit (1) for an existing central heating system (2), wherein the central heating system (2) comprises at least one primary heat source (3) operable by means of fuels, in particular a boiler and / or a gas boiler, at least one heat exchanger (4), preferably a radiator for heating a building, and at least one domestic hot water storage tank (5), wherein a heat transfer fluid (6), in particular water, can be heated by means of the primary heat source (3), wherein the heat transfer fluid (6) can be conveyed to and / or through the heat exchanger (4) by means of a heat pump (7), and wherein the heat transfer fluid (6) can be conveyed to the domestic hot water storage tank (5) for heating domestic hot water (9) temporarily stored in the domestic hot water storage tank (5), namely for heat transfer from the heat transfer fluid (6) to the domestic hot water (9) through or adjacent to the domestic hot water storage tank (5),wherein the primary heat source (3) has a central heating control and / or regulation device (10) for its control and / or regulation, wherein the retrofit kit (1) and / or the central heating system (2) has at least one electrically operated heat pump (11), wherein the heat transfer fluid (6) can be heated by means of the heat pump (11), wherein the heat transfer fluid (6) can be conveyed to and / or through the heat pump (11) for its heating, and wherein the heat transfer fluid (6) can be conveyed to and / or through the primary heat source (3) by means of the heating pump (7) and / or the storage pump (8), characterized in that the retrofit kit (1) has a temperature sensor (13.1) and a separate heat pump control and / or regulation device (14) for the heat pump (11), wherein the temperature sensor (13.1) is connected to the separate heat pump control and / or regulation device (14) for control / is connected or connectable via signal and / or data technology,wherein the heat pump (11) is connected and / or connectable to the separate heat pump control and / or regulation device (14) for control purposes, wherein the separate heat pump control and / or regulation device (14) is designed and / or implemented such that the heat pump (11) is controlled based on the actual domestic hot water temperature (T) measured by means of the temperature sensor (13.1) in a lower area of ​​the domestic hot water storage tank (5) or adjacent to this lower area of ​​the domestic hot water storage tank (5). B1 ) is controllable and / or adjustable, wherein the temperature sensor (13.1) is used as a first temperature sensor (13.1) for determining a first actual domestic hot water temperature (T B1 ) is implemented, wherein a second temperature sensor (13.2) is located in a vertically viewed middle or upper area of ​​the domestic hot water storage tank (5) for measuring and / or determining a second actual domestic hot water temperature (T B2) is arranged, wherein the second temperature sensor (13.2) is connected to the central heating control and / or regulating device (10) in a control / signal / and / or data-related manner, wherein the central heating control and / or regulating device (10) is designed and / or implemented such that the primary heat source (3) is adjusted depending on the second actual domestic hot water temperature (T B2 ) is controllable and / or adjustable, wherein the separate heat pump control and / or regulation device (14) is designed and / or implemented such that the heat pump (11) can be operated and / or activated for heating the heat transfer fluid (6) with the aid of the separate heat pump control and / or regulation device (14) when the first actual domestic hot water temperature (T) measured, determined and / or calculated with the aid of the first temperature sensor (13.1) B1 ) a first limiting temperature (T B1G ) falls below.

The invention discloses a fixing method of a mechanical vibration resistant profound hypothermia lens group. The fixing method is suitable for assembling a mechanical vibration resistant low-stress lens group applied to profound hypothermia. The lens group is composed of a lens, a lens seat and epoxy glue. On the premise that heat transmission, low stress and high reliability are ensured, the required glue filling amount is determined according to the borne external force, the glue joint strength, the lens diameter and the lens base diameter, good mechanical strength can be achieved, and the strength requirement can be met; the epoxy glue adopts four-section symmetrical glue joint and is cured at room temperature, and the surface type of the lens meets the use requirement after verification; the device is simple in structure, convenient to operate, good in compatibility and high in reliability. The method can be applied to various mechanical vibration resistant profound hypothermia lens group fixing processes.