Cement-based seat based on thermoelectric effect

Abstract

The invention relates to the technical field of cement-based seats, and discloses a cement-based seat based on thermoelectric effect, comprising: a top plate; the supporting legs comprise the first supporting leg and the second supporting leg, and the first supporting leg and the second supporting leg are arranged at the two ends of the bottom of the top plate correspondingly and fixedly connected with the top plate; wherein the first supporting leg is a cement-based P-type material composite supporting leg, and the second supporting leg is a cement-based N-type material composite supporting leg; the thermoelectric modules are embedded in the supporting legs and located at the ends, close to the top plate, of the supporting legs, the thermoelectric modules are electrically connected through the first supporting legs and the second supporting legs, and the top plate is electrically connected with the thermoelectric modules through conductive connecting materials to form a closed circuit; the hot end material plate is arranged at the bottom of each supporting leg and is used for forming a temperature difference with the external environment; the temperature sensors are arranged in the top plate and at the bottom of the seat; and the control module is connected with the temperature sensor and the thermoelectric module. Intelligent adjustment of the seat temperature can be achieved through the thermoelectric effect.

Description

Technical Field

[0001] This invention relates to the field of cement-based seating technology, and more specifically, to a cement-based seating based on the thermoelectric effect. Background Technology

[0002] Traditional cement-based seats have limited functionality, offering only basic support and rest, and cannot adjust to environmental changes or individual needs. In hot summers, the surface temperature of cement seats becomes excessively high, making it difficult to sit for extended periods; conversely, in cold winters, the seats become extremely cold, causing discomfort. Furthermore, existing cement-based seats do not respond appropriately to varying levels of sunlight, failing to meet the increasing demands for comfort. As people's living standards improve, they have higher expectations for the functionality and comfort of seating. Therefore, it is necessary to design a cement-based seat based on the thermoelectric effect to address the problems existing in current technology. Summary of the Invention

[0003] In view of this, the present invention proposes a cement-based seat based on the thermoelectric effect, aiming to solve the above problems.

[0004] This invention proposes a cement-based seat based on the thermoelectric effect, comprising: roof; The support leg includes a plurality of first support legs and second support legs. All the first support legs are connected in series to form a first support leg group, and all the second support legs are connected in series to form a second support leg group. The first support leg group and the second support leg group are respectively disposed at both ends of the bottom of the top plate and fixedly connected to the top plate. The first support leg is a cement-based P-type composite support leg, and the second support leg is a cement-based N-type composite support leg. A thermoelectric module is embedded inside each of the legs and located at one end of the leg near the top plate. The thermoelectric module is electrically connected through the first leg and the second leg. The top plate is electrically connected to the thermoelectric module through a conductive connecting material to form a closed circuit. A hot-end material plate is set at the bottom of each of the legs to create a temperature difference with the external environment; Temperature sensors are located inside the top plate and at the bottom of the seat; The control module is connected to the temperature sensor and the thermoelectric module.

[0005] Furthermore, the cement-based P-type composite leg is composed of bismuth telluride-doped P-type semiconductor material and cement.

[0006] Furthermore, the cement-based N-type material composite leg is composed of bismuth telluride-doped N-type semiconductor material and cement.

[0007] Furthermore, the conductive connecting material is a corrosion-resistant metal material or a conductive composite material.

[0008] Furthermore, the control module includes a data acquisition unit, a judgment unit, an adjustment unit, and an execution unit; wherein, The acquisition unit is configured to acquire the temperature difference between the top plate and the bottom of the seat, and determine the operating mode and initial operating parameters of the thermoelectric module based on the temperature difference. The judgment unit is configured to collect historical temperature difference values ​​between the top plate and the bottom of the seat at n consecutive time points, determine the temperature difference change trend characteristics, and determine whether to adjust the initial working parameters based on the temperature difference change trend characteristics. The adjustment unit is configured to, when it is determined that the initial operating parameters need to be adjusted, collect the ambient temperature at the location of the seat, determine the adjustment amount of the initial operating parameters based on the ambient temperature, and obtain the final operating parameters. The actuator is configured to control the thermoelectric module according to the final operating parameters.

[0009] Furthermore, when determining the operating mode and initial operating parameters of the thermoelectric module based on the temperature difference, the process includes: If the temperature difference is positive, then the operating mode of the thermoelectric module is determined to be cooling mode; If the temperature difference is negative, the thermoelectric module is determined to be in heating mode.

[0010] Furthermore, when determining the operating mode and initial operating parameters of the thermoelectric module based on the temperature difference, the method further includes: The temperature difference is compared with a first temperature difference and a second temperature difference, and the initial operating parameters are determined based on the comparison result; wherein the first temperature difference is less than the second temperature difference. When the temperature difference is less than or equal to the first temperature difference, the initial operating parameter is determined to be the first operating parameter; When the temperature difference is greater than the first temperature difference and less than or equal to the second temperature difference, the initial operating parameter is determined to be the second operating parameter. When the temperature difference is greater than the second temperature difference, the initial operating parameter is determined to be the third operating parameter.

[0011] Furthermore, when determining whether to adjust the initial operating parameters based on the temperature difference change trend characteristics, the following steps are included: If the temperature difference change trend characteristic shows that the temperature difference continues to increase and exceeds the preset first change threshold, it is determined that the initial working parameters need to be adjusted. If the temperature difference change trend characteristic shows that the temperature difference continues to decrease and is less than the preset second change threshold, it is determined that the initial working parameters need to be adjusted. If the temperature difference change trend characteristics show that the temperature difference fluctuates within a preset stable range, then it is determined that no adjustment to the initial working parameters is required.

[0012] Further, when determining the adjustment amount of the initial operating parameters based on the ambient temperature and obtaining the final operating parameters, the process includes: The ambient temperature includes the air temperature around the seat and the radiant temperature of the environment to which the seat surface is exposed; A temperature feature vector is constructed based on the air temperature and radiation temperature; The temperature feature vector is compared with the historical temperature set, and the adjustment amount is determined based on the comparison result; If there exists a historical temperature feature vector in the historical temperature set that is the same as the temperature feature vector, the historical adjustment amount corresponding to the historical temperature feature vector shall be used as the adjustment amount. If there is no historical temperature feature vector in the historical temperature set that is the same as the temperature feature vector, the adjustment amount is determined based on the temperature feature vector. The final operating parameters are obtained by adding the adjustment amount to the initial operating parameters.

[0013] Further, determining the adjustment amount based on the temperature feature vector includes: The air temperature is compared with an air temperature threshold, and the radiation temperature is compared with a radiation temperature threshold. The adjustment amount is determined based on the comparison results. When the air temperature is greater than or equal to the air temperature threshold and the radiation temperature is greater than or equal to the radiation temperature threshold, the adjustment amount is determined to be the first adjustment amount; When the air temperature is greater than or equal to the air temperature threshold and the radiation temperature is less than the radiation temperature threshold, the adjustment amount is determined to be the second adjustment amount; When the air temperature is less than the air temperature threshold and the radiation temperature is greater than or equal to the radiation temperature threshold, the adjustment amount is determined to be the third adjustment amount; When the air temperature is less than the air temperature threshold and the radiation temperature is less than the radiation temperature threshold, the adjustment amount is determined to be the fourth adjustment amount.

[0014] Compared with existing technologies, the advantages of this invention are as follows: The cement-based seat based on the thermoelectric effect provided by this invention can achieve intelligent temperature regulation of the seat using the thermoelectric effect. Due to the use of cement-based P-type and N-type composite legs, combined with a thermoelectric module to form a closed circuit, the thermoelectric module generates current when a temperature difference is formed between the hot-end material plate and the external environment. Temperature sensors monitor the temperature of the top plate and the bottom of the seat in real time, and the control module can accurately determine the working mode and initial operating parameters of the thermoelectric module based on the temperature difference. In cooling mode, it can effectively reduce the seat temperature, providing a cool and comfortable experience for the user; in heating mode, it can increase the seat temperature, providing warmth in cold environments. Furthermore, the various parts of the control module work collaboratively: the acquisition unit accurately collects the temperature difference value, the judgment unit determines whether to adjust the operating parameters based on the temperature difference change trend, the adjustment unit accurately determines the adjustment amount based on the ambient temperature, and the execution unit controls the thermoelectric module according to the final operating parameters. This intelligent control method allows the seat to dynamically adjust the temperature according to the actual environment and the user's needs, resulting in higher comfort and energy efficiency compared to traditional seats. Meanwhile, the use of corrosion-resistant metal materials or conductive composite materials as conductive connection materials ensures the stability and reliability of the circuit and extends the service life of the seat. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a structural diagram of a cement-based seat based on the thermoelectric effect, provided for an embodiment of the present invention.

[0017] In the diagram: 100, top plate; 111, first leg; 112, second leg; 120, hot end material plate. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] See Figure 1 As shown, in some embodiments of this application, this embodiment provides a cement-based seat based on the thermoelectric effect, comprising: Top plate 100; The support legs include several first support legs 111 and second support legs. All first support legs 111 are connected in series to form a first support leg group, and all second support legs 112 are connected in series to form a second support leg group. The first support leg group and the second support leg group are respectively located at both ends of the bottom of the top plate 100 and are fixedly connected to the top plate 100. Among them, the first support leg 111 is a cement-based P-type composite support leg, and the second support leg 112 is a cement-based N-type composite support leg. The thermoelectric module is embedded inside each leg and located at the end of the leg near the top plate 100. The thermoelectric module is electrically connected through the first leg 111 and the second leg 112. The top plate 100 is electrically connected to the thermoelectric module through a conductive connecting material to form a closed circuit. A hot-end material plate 120 is set at the bottom of each support leg to create a temperature difference with the external environment; Temperature sensors are located inside the top panel 100 and at the bottom of the seat; The control module is connected to the temperature sensor and the thermoelectric module.

[0021] It is understood that the cement-based seat based on the thermoelectric effect provided in this embodiment can achieve intelligent temperature regulation of the seat using the thermoelectric effect. Due to the use of cement-based P-type and N-type composite legs, combined with a thermoelectric module to form a closed circuit, the thermoelectric module generates current when a temperature difference is formed between the hot-end material plate 120 and the external environment. By monitoring the temperature of the top plate 100 and the bottom of the seat in real time through temperature sensors, the control module can accurately determine the operating mode and initial operating parameters of the thermoelectric module based on the temperature difference. In cooling mode, it can effectively reduce the seat temperature, providing a cool and comfortable experience for the user; in heating mode, it can increase the seat temperature, providing warmth in cold environments. Furthermore, the various parts of the control module work collaboratively: the acquisition unit accurately collects the temperature difference value, the judgment unit determines whether to adjust the operating parameters based on the temperature difference change trend, the adjustment unit accurately determines the adjustment amount based on the ambient temperature, and the execution unit controls the thermoelectric module according to the final operating parameters. This intelligent control method allows the seat to dynamically adjust the temperature according to the actual environment and the user's needs, resulting in higher comfort and energy efficiency compared to traditional seats. Meanwhile, the use of corrosion-resistant metal materials or conductive composite materials as conductive connection materials ensures the stability and reliability of the circuit and extends the service life of the seat.

[0022] Specifically, the cement-based P-type composite leg is made of bismuth telluride-doped P-type semiconductor material and cement.

[0023] Understandably, bismuth telluride-doped p-type semiconductor materials possess excellent thermoelectric properties. Combining bismuth telluride with cement to form cement-based p-type composite legs retains the robust and durable characteristics of cement while also providing thermoelectric conversion capabilities. Cement, as the matrix material, provides sufficient strength and stability for the legs, enabling them to withstand various pressures and external forces encountered in daily use. Meanwhile, the bismuth telluride-doped p-type semiconductor material endows the legs with thermoelectric properties, allowing the generation of current when a temperature difference exists.

[0024] Specifically, the cement-based N-type material composite leg is made of bismuth telluride-doped N-type semiconductor material and cement.

[0025] Understandably, bismuth telluride-doped N-type semiconductor materials also possess excellent thermoelectric properties. When combined with cement to form cement-based N-type composite legs, the advantages of cement are effectively combined with thermoelectric conversion capabilities. The high strength and stability of cement ensure that the legs will not be easily damaged during long-term use, adapting to different application scenarios and environments. Meanwhile, the bismuth telluride-doped N-type semiconductor material, under the influence of temperature differences, interacts with the cement-based P-type composite legs to generate current in a closed circuit.

[0026] Specifically, the conductive connection material is a corrosion-resistant metal material or a conductive composite material.

[0027] Understandably, copper or stainless steel are preferred corrosion-resistant metal materials due to their excellent electrical conductivity and corrosion resistance. Copper's excellent conductivity allows for smooth current transmission in closed circuits, reducing energy loss and ensuring the normal operation of the thermoelectric module. Stainless steel not only has good conductivity but also strong corrosion resistance, enabling its use in various harsh environments without easily rusting or being damaged, thus ensuring the stability and reliability of the circuit connection. The conductive composite material is preferably a combination of carbon nanotubes and polymers. Carbon nanotubes possess excellent electrical properties; their unique one-dimensional nanostructure endows them with extremely high carrier mobility and good conductivity, enabling rapid and efficient current conduction. Polymer materials, on the other hand, have good flexibility and processing properties, allowing for excellent dispersion of carbon nanotubes to form a uniform and stable composite material.

[0028] Specifically, the control module includes an acquisition unit, a judgment unit, an adjustment unit, and an execution unit; among which, The acquisition unit is configured to acquire the temperature difference between the top plate 100 and the bottom of the seat, and determine the working mode and initial working parameters of the thermoelectric module based on the temperature difference. The judgment unit is configured to collect historical temperature difference values ​​between the top plate 100 and the bottom of the seat at n consecutive time points, determine the temperature difference change trend characteristics, and determine whether to adjust the initial working parameters based on the temperature difference change trend characteristics. The adjustment unit is configured to collect the ambient temperature at the location of the seat when it is determined that the initial operating parameters need to be adjusted, determine the adjustment amount of the initial operating parameters based on the ambient temperature, and obtain the final operating parameters. The actuator is configured to control the thermoelectric module according to the final operating parameters.

[0029] It is understandable that the initial operating parameters are the initial cooling power or the initial heating power.

[0030] Understandably, n is preferably between 3 and 5. Selecting 3 to 5 time points to collect historical temperature difference values ​​is appropriate. If the value of n is too small, such as n=1 or 2, the amount of historical data collected is too small, making it difficult to accurately determine the trend characteristics of temperature difference changes. This may lead to inaccurate decisions by the judgment unit, making it impossible to adjust the operating parameters of the thermoelectric module in a timely and accurate manner, thus affecting the seat temperature regulation effect. On the other hand, if the value of n is too large, such as n>5, although more historical data can be obtained, it will increase the complexity and time cost of data processing. The control module will need to spend more time and resources to process this data, which may lead to a slower response speed and an inability to adjust the operation of the thermoelectric module in a timely manner according to actual temperature changes, reducing the real-time performance and flexibility of seat temperature regulation.

[0031] Specifically, when determining the operating mode and initial operating parameters of the thermoelectric module based on the temperature difference, the following are included: If the temperature difference is positive, the thermoelectric module is determined to be in cooling mode. If the temperature difference is negative, the thermoelectric module is determined to be in heating mode.

[0032] Understandably, when the temperature difference is positive, it indicates that the temperature of the headliner 100 is higher than the temperature of the seat bottom. In this case, the system is in cooling mode, and the thermoelectric module starts working, transferring heat from the headliner 100 to the seat bottom, thus lowering the temperature of the headliner 100 and providing a cooling sensation for the user. Conversely, when the temperature difference is negative, it indicates that the temperature of the headliner 100 is lower than the temperature of the seat bottom, and the system is in heating mode. In this case, the thermoelectric module works in the opposite direction, transferring heat from the seat bottom to the headliner 100, raising the temperature of the headliner 100 and providing warmth for the user in cold environments. Furthermore, the initial operating parameters are set based on the absolute value of the temperature difference. A larger absolute value indicates a greater adjustment range is needed, and the initial operating power of the thermoelectric module will be increased accordingly to reach the appropriate temperature more quickly. Conversely, a smaller absolute value indicates a smaller initial operating power of the thermoelectric module, avoiding excessive adjustment and energy waste.

[0033] Specifically, determining the operating mode and initial operating parameters of the thermoelectric module based on the temperature difference also includes: The temperature difference is compared with the first temperature difference and the second temperature difference, and the initial operating parameters are determined based on the comparison results; wherein the first temperature difference is less than the second temperature difference. When the temperature difference is less than or equal to the first temperature difference, the initial operating parameter is determined to be the first operating parameter. When the temperature difference is greater than the first temperature difference and less than or equal to the second temperature difference, the initial operating parameter is determined to be the second operating parameter. When the temperature difference is greater than the second temperature difference, the initial operating parameters are determined to be the third operating parameters.

[0034] Understandably, the first operating parameter is less than the second, which is less than the third. By comparing the temperature difference with the first and second temperature differences, the initial operating parameters of the thermoelectric module can be determined more precisely. The first, second, and third operating parameters correspond to different temperature difference ranges, each representing a different level of workload. When the temperature difference is less than or equal to the first temperature difference, it indicates a small temperature difference. In this case, the first operating parameter is used, and the thermoelectric module operates at a lower power, meeting certain temperature regulation needs while avoiding excessive energy consumption. When the temperature difference is between the first and second temperature differences, it indicates a moderate temperature difference. The second operating parameter is used, and the thermoelectric module operates at a medium power, ensuring effective temperature regulation while achieving good energy savings. When the temperature difference is greater than the second temperature difference, it indicates a large temperature difference, requiring the use of the third operating parameter. In this case, the thermoelectric module operates at a higher power to quickly regulate the seat temperature and meet the user's temperature requirements. This method of determining different operating parameters based on different temperature difference ranges makes the operation of the thermoelectric module more scientific and reasonable. While achieving effective temperature regulation, it maximizes energy utilization efficiency and further demonstrates the energy-saving advantages of this cement-based seat based on the thermoelectric effect.

[0035] Specifically, when determining whether to adjust the initial operating parameters based on the trend of temperature difference changes, the following should be included: If the temperature difference trend shows that the temperature difference continues to increase and exceeds the preset first change threshold, it is determined that the initial working parameters need to be adjusted. If the temperature difference trend shows that the temperature difference continues to decrease and is less than the preset second change threshold, it is determined that the initial working parameters need to be adjusted. If the temperature difference trend shows that the temperature difference fluctuates within the preset stable range, then it is determined that no adjustment to the initial working parameters is required.

[0036] Understandably, when the temperature difference continues to increase and exceeds the preset first threshold, it indicates that the current operating parameters of the thermoelectric module are no longer able to effectively control the expansion of the temperature difference. Continuing to operate according to the initial operating parameters may lead to an increasingly larger deviation between the seat temperature and the user's needs, affecting the user experience. Therefore, it is necessary to adjust the initial operating parameters to enhance the working effect of the thermoelectric module and reduce the temperature difference. When the temperature difference continues to decrease and is less than the preset second threshold, it means that the thermoelectric module may be working too intensely, causing the temperature difference to decrease too quickly, which may result in over-temperature regulation. In this case, adjusting the initial operating parameters can prevent over-temperature regulation and ensure that the seat temperature is within a suitable range. When the temperature difference fluctuates within the preset stable range, it indicates that the current operating parameters of the thermoelectric module can maintain the stability of the temperature difference well, and there is no need to adjust the initial operating parameters. This reduces unnecessary parameter adjustment operations, lowers the workload of the control module, and improves the stability and reliability of the entire system. Through this judgment method based on the characteristics of temperature difference change, the control module can more accurately control the operation of the thermoelectric module, making seat temperature regulation more intelligent and efficient.

[0037] It is understandable that the first change threshold, the second change threshold, and the preset stable range refer to the limit value and stable range of temperature difference change set in advance based on experiments or actual usage. The first change threshold is a critical value when the temperature difference continues to increase. When the temperature difference increases beyond this value, it indicates that the current operating parameters are no longer effective in dealing with temperature changes and adjustments are needed. For example, in hot weather, if the temperature difference between the top plate 100 and the bottom of the seat continues to increase and exceeds the first change threshold, it indicates that the cooling effect is poor and the operating power of the thermoelectric module needs to be increased. The second change threshold is a critical value when the temperature difference continues to decrease. When the temperature difference decreases to less than this value, it means that the thermoelectric module may be working too intensely and its power needs to be reduced. For example, in heating mode, if the temperature difference decreases too quickly and falls below the second change threshold, the heating power of the thermoelectric module needs to be appropriately reduced to prevent the temperature from becoming too high. The preset stable range is a range within which temperature difference fluctuations are allowed. Within this range, the operating parameters of the thermoelectric module can keep the temperature difference relatively stable. For example, by setting a stable range of ±1℃, as long as the temperature difference fluctuates within this range, there is no need to adjust the initial operating parameters. This avoids frequent parameter adjustments and ensures system stability and energy efficiency. By reasonably setting the first and second temperature change thresholds and the preset stable range, the control module can more accurately control the thermoelectric module based on the temperature difference trend, achieving intelligent and efficient regulation of the seat temperature and providing users with a more comfortable experience.

[0038] Specifically, when determining the adjustment amount of the initial operating parameters based on the ambient temperature and obtaining the final operating parameters, the process includes: Ambient temperature includes the air temperature around the seat and the radiant temperature of the environment to which the seat surface is exposed; Construct a temperature feature vector based on air temperature and radiation temperature; The temperature feature vector is compared with the historical temperature set, and the adjustment amount is determined based on the comparison results. If there exists a historical temperature feature vector in the historical temperature set that is the same as the temperature feature vector, the historical adjustment amount corresponding to the historical temperature feature vector shall be used as the adjustment amount. If there is no historical temperature feature vector in the historical temperature set that is the same as the temperature feature vector, the adjustment amount is determined based on the temperature feature vector. The final operating parameters are obtained by adding the adjustment amount to the initial operating parameters.

[0039] It is understandable that ambient air temperature and radiant temperature have a significant impact on seat temperature regulation. Air temperature directly affects the heat exchange environment around the seat, while radiant temperature reflects the heat radiation from the exposed environment on the seat surface. By constructing a temperature feature vector, these two key factors can be considered together. Comparing the temperature feature vector with a historical temperature set is an effective method based on empirical data. The historical temperature set records the temperature feature vectors and corresponding adjustment amounts under different ambient temperature conditions in the past. If the same historical temperature feature vector exists, its corresponding historical adjustment amount can be directly adopted. This allows for the quick and accurate determination of the adjustment amount using existing experience, improving control efficiency and accuracy. When no matching historical temperature feature vector exists in the historical temperature set, the adjustment amount needs to be determined based on the current temperature feature vector.

[0040] Specifically, determining the adjustment amount based on the temperature feature vector includes: The air temperature is compared with the air temperature threshold, and the radiation temperature is compared with the radiation temperature threshold. The adjustment amount is determined based on the comparison results. When the air temperature is greater than or equal to the air temperature threshold and the radiation temperature is greater than or equal to the radiation temperature threshold, the adjustment amount is determined as the first adjustment amount. When the air temperature is greater than or equal to the air temperature threshold and the radiation temperature is less than the radiation temperature threshold, the adjustment amount is determined as the second adjustment amount. When the air temperature is lower than the air temperature threshold and the radiation temperature is greater than or equal to the radiation temperature threshold, the adjustment amount is determined as the third adjustment amount. When the air temperature is less than the air temperature threshold and the radiation temperature is less than the radiation temperature threshold, the adjustment amount is determined to be the fourth adjustment amount.

[0041] Understandably, the adjustment amounts are arranged in such a way that the first adjustment amount is greater than the second and third adjustments, and the sizes of the second and third adjustments need to be further determined based on the actual situation, but both are greater than the fourth adjustment amount. When both the air temperature and the radiant temperature are high, i.e., both are greater than or equal to their respective thresholds, it indicates that the overall ambient heat is high, and the thermoelectric module needs a larger adjustment amount to meet the seat temperature regulation requirements, so the first adjustment amount is the largest. When the air temperature is high but the radiant temperature is low, or the air temperature is low but the radiant temperature is high, the ambient heat situation is relatively milder than the former, so the second and third adjustment amounts are relatively smaller. When both the air temperature and the radiant temperature are low, i.e., both are less than their respective thresholds, the ambient heat is low, and the thermoelectric module needs the smallest adjustment amount, so the fourth adjustment amount is the smallest. By determining the adjustment amount based on the comparison between the air temperature and the radiant temperature and their respective thresholds, the operating parameters of the thermoelectric module can be adjusted more accurately in conjunction with the ambient temperature, making the seat temperature regulation more in line with the actual environmental needs, further improving user comfort and the system's energy efficiency.

[0042] In the description of this invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0043] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A cement-based seat based on the thermoelectric effect, characterized in that, include: roof; The support leg includes a plurality of first support legs and second support legs. All the first support legs are connected in series to form a first support leg group, and all the second support legs are connected in series to form a second support leg group. The first support leg group and the second support leg group are respectively disposed at both ends of the bottom of the top plate and fixedly connected to the top plate. The first support leg is a cement-based P-type composite support leg, and the second support leg is a cement-based N-type composite support leg. A thermoelectric module is embedded inside each of the legs and located at one end of the leg near the top plate. The thermoelectric module is electrically connected through the first leg and the second leg. The top plate is electrically connected to the thermoelectric module through a conductive connecting material to form a closed circuit. A hot-end material plate is set at the bottom of each of the legs to create a temperature difference with the external environment; Temperature sensors are located inside the top plate and at the bottom of the seat; The control module is connected to the temperature sensor and the thermoelectric module.

2. The cement-based seat based on thermoelectric effect according to claim 1, characterized in that, The cement-based P-type composite leg is made of bismuth telluride-doped P-type semiconductor material and cement.

3. The cement-based seat based on thermoelectric effect according to claim 2, characterized in that, The cement-based N-type material composite leg is made of bismuth telluride-doped N-type semiconductor material and cement.

4. The cement-based seat based on thermoelectric effect according to claim 3, characterized in that, The conductive connecting material is a corrosion-resistant metal material or a conductive composite material.

5. The cement-based seat based on thermoelectric effect according to claim 4, characterized in that, The control module includes a data acquisition unit, a judgment unit, an adjustment unit, and an execution unit; wherein, The acquisition unit is configured to acquire the temperature difference between the top plate and the bottom of the seat, and determine the operating mode and initial operating parameters of the thermoelectric module based on the temperature difference. The judgment unit is configured to collect historical temperature difference values ​​between the top plate and the bottom of the seat at n consecutive time points, determine the temperature difference change trend characteristics, and determine whether to adjust the initial working parameters based on the temperature difference change trend characteristics. The adjustment unit is configured to, when it is determined that the initial operating parameters need to be adjusted, collect the ambient temperature at the location of the seat, determine the adjustment amount of the initial operating parameters based on the ambient temperature, and obtain the final operating parameters. The actuator is configured to control the thermoelectric module according to the final operating parameters.

6. The cement-based seat based on thermoelectric effect according to claim 5, characterized in that, When determining the operating mode and initial operating parameters of the thermoelectric module based on the temperature difference, the following are included: If the temperature difference is positive, then the operating mode of the thermoelectric module is determined to be cooling mode; If the temperature difference is negative, the thermoelectric module is determined to be in heating mode.

7. The cement-based seat based on thermoelectric effect according to claim 6, characterized in that, When determining the operating mode and initial operating parameters of the thermoelectric module based on the temperature difference, the method further includes: The temperature difference is compared with a first temperature difference and a second temperature difference, and the initial operating parameters are determined based on the comparison result; wherein the first temperature difference is less than the second temperature difference. When the temperature difference is less than or equal to the first temperature difference, the initial operating parameter is determined to be the first operating parameter; When the temperature difference is greater than the first temperature difference and less than or equal to the second temperature difference, the initial operating parameter is determined to be the second operating parameter. When the temperature difference is greater than the second temperature difference, the initial operating parameter is determined to be the third operating parameter.

8. The cement-based seat based on thermoelectric effect according to claim 7, characterized in that, When determining whether to adjust the initial operating parameters based on the temperature difference change trend characteristics, the following are included: If the temperature difference change trend characteristic shows that the temperature difference continues to increase and exceeds the preset first change threshold, it is determined that the initial working parameters need to be adjusted. If the temperature difference change trend characteristic shows that the temperature difference continues to decrease and is less than the preset second change threshold, it is determined that the initial working parameters need to be adjusted. If the temperature difference change trend characteristics show that the temperature difference fluctuates within a preset stable range, then it is determined that no adjustment to the initial working parameters is required.

9. The cement-based seat based on thermoelectric effect according to claim 8, characterized in that, When determining the adjustment amount of the initial operating parameters based on the ambient temperature and obtaining the final operating parameters, the process includes: The ambient temperature includes the air temperature around the seat and the radiant temperature of the environment to which the seat surface is exposed; A temperature feature vector is constructed based on the air temperature and radiation temperature; The temperature feature vector is compared with the historical temperature set, and the adjustment amount is determined based on the comparison result; If there exists a historical temperature feature vector in the historical temperature set that is the same as the temperature feature vector, the historical adjustment amount corresponding to the historical temperature feature vector shall be used as the adjustment amount. If there is no historical temperature feature vector in the historical temperature set that is the same as the temperature feature vector, the adjustment amount is determined based on the temperature feature vector. The final operating parameters are obtained by adding the adjustment amount to the initial operating parameters.

10. The cement-based seat based on thermoelectric effect according to claim 9, characterized in that, Determining the adjustment amount based on the temperature feature vector includes: The air temperature is compared with an air temperature threshold, and the radiation temperature is compared with a radiation temperature threshold. The adjustment amount is determined based on the comparison results. When the air temperature is greater than or equal to the air temperature threshold and the radiation temperature is greater than or equal to the radiation temperature threshold, the adjustment amount is determined to be the first adjustment amount; When the air temperature is greater than or equal to the air temperature threshold and the radiation temperature is less than the radiation temperature threshold, the adjustment amount is determined to be the second adjustment amount; When the air temperature is less than the air temperature threshold and the radiation temperature is greater than or equal to the radiation temperature threshold, the adjustment amount is determined to be the third adjustment amount; When the air temperature is less than the air temperature threshold and the radiation temperature is less than the radiation temperature threshold, the adjustment amount is determined to be the fourth adjustment amount.

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