CN219222632U - Cogeneration device, thermoelectric power generation system and heating equipment - Google Patents
Cogeneration device, thermoelectric power generation system and heating equipment Download PDFInfo
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- CN219222632U CN219222632U CN202222785308.4U CN202222785308U CN219222632U CN 219222632 U CN219222632 U CN 219222632U CN 202222785308 U CN202222785308 U CN 202222785308U CN 219222632 U CN219222632 U CN 219222632U
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Abstract
The utility model belongs to the technical field of thermoelectricity, and particularly relates to a cogeneration device. A heat collector; the thermoelectric generation assembly is arranged on the heat collector, and one side end face of the thermoelectric generation assembly is contacted with the heat collector; the heat after the gas combustion is collected through the heat collector, one end of the thermoelectric generation assembly is heated by the heat, and the two ends of the thermoelectric generation assembly form a temperature difference, so that power generation is realized.
Description
Technical Field
The utility model belongs to the technical field of thermoelectricity, and particularly relates to a cogeneration device, a thermoelectric power generation system and heating equipment.
Background
Along with the development of science and technology, the application of thermoelectric generation technique is more and more extensive, for example on generator or outdoor electricity generation, and current thermoelectric generation equipment adopts the burning gas to heat the one end of thermoelectric generation piece, like biomass fuel thermoelectric generator among the prior art, its thermoelectric generation piece other end only adopts heat radiation structure to make thermoelectric generation piece both ends form the temperature difference, its heat radiation structure adopts heating panel and fin structure, utilize the radiating speed of this mode to receive ambient temperature influence, and provide under the environment of heat source based on the burning, ambient temperature also can rise simultaneously, lead to the temperature difference at thermoelectric generation piece both ends to reduce, influence the generating effect.
In addition, prior art portable combustion devices have a fuel source placed within the combustion chamber to burn, and a housing enclosing a TEG mounted to the side of the combustion chamber, the TEG producing an electrical output based on a temperature differential across the opposite sides. The heat conducting probe and the heat conducting probe base unit are arranged on the TEG shell and protrude into the combustion chamber through a small channel. In the scheme, the heat loss is large, and the problem of low power generation efficiency still exists.
Furthermore, the combustion power generation furnace and the power generation and charging method thereof in the prior art include: the furnace body is provided with an air port on the furnace body and is used for circulating air; a fuel inlet arranged on the furnace body; an opening arranged on the furnace body and used for installing the thermoelectric converter; the thermoelectric converter comprises a heat conduction piece connected with the hot end of the thermoelectric converter and a heat dissipation piece connected with the cold end of the thermoelectric converter; the heat conducting piece is positioned in the furnace body; the heat dissipation piece is positioned outside the furnace body. Aiming at the technical problem of low biomass power generation efficiency, the biomass power generation device can improve the power generation efficiency. However, in the practical structure, many factors influencing the power generation efficiency are also provided, and how to improve the power generation efficiency and stability through reasonable structural design is a technical difficulty of the thermoelectric power generation equipment.
Disclosure of Invention
The utility model aims to provide a cogeneration device, which is arranged in a reasonable structure, so that the cogeneration device can generate electricity through a thermoelectric power generation assembly through heat provided by combustion of fuel gas.
Based on this, the present utility model provides a cogeneration apparatus comprising:
a heat collector;
the thermoelectric generation assembly comprises a first thermoelectric generation assembly and a second thermoelectric generation assembly, and the first thermoelectric generation assembly and the second thermoelectric generation assembly are respectively arranged on two opposite end surfaces of the heat collector and are in contact with the heat collector;
the upper end face of the heat collector is higher than the upper end face of the thermoelectric generation assembly, and a compensation distance exists between the upper end face of the thermoelectric generation assembly and the upper end face of the heat collector. Is the offset distance.
The cogeneration device as described above, the first thermoelectric generation assembly at least comprises a plurality of first thermoelectric generation sheets disposed on one side surface of the heat collector, and the height of the heat collector satisfies: h=h+x±20mm;
wherein h is the total height of the plurality of first thermoelectric generation sheets after being distributed; x is the height of a single first thermoelectric generation sheet.
According to the cogeneration device, the heat collecting cavity is arranged in the heat collector, and the heat collecting pieces positioned in the heat collecting cavity are also arranged on the heat collector.
A cogeneration plant as described above, wherein the offset distance ranges from 12mm to 55mm.
A cogeneration plant as described above, wherein the offset distance is 42mm.
The cogeneration device further comprises a cold end component, wherein the cold end component is in contact with the end face of the other side of the thermoelectric generation component, and the two side end faces of the thermoelectric generation component form a temperature difference through a cold source.
The heat and power cogeneration device further comprises a heat exchanger, wherein the heat exchanger is arranged at the upper end of the heat collector, an exhaust port is arranged on the heat exchanger, and a fan assembly is further arranged in the heat exchanger.
The heat and power cogeneration device further comprises a combustion chamber, wherein the heat collector comprises a left shell and a right shell which are detachably connected with each other, the left shell and the right shell are mutually installed to form the heat collection chamber, and the combustion chamber is arranged on the lower side of the heat collector and communicated with the heat collection chamber;
the heat collecting piece comprises a plurality of first rib columns and a plurality of second rib columns, wherein the first rib columns are arranged in the left shell, and the second rib columns are arranged in the right shell.
According to the cogeneration device, the two side surfaces of the heat collector are also provided with the convex installation parts, the installation parts are provided with the temperature probe holes, and the temperature probe holes are provided with the temperature sensors.
The cogeneration device further comprises a first clamping plate and a second clamping plate, wherein the first clamping plate and the second clamping plate are connected with the heat collector through connecting rods.
The utility model also provides a thermoelectric power generation system which comprises the cogeneration device, a control system, a power storage device, a second heat exchanger and a water supply system;
the control system is electrically connected with the cogeneration device;
the electricity storage device is used for storing electric energy generated by the cogeneration device and supplying power or assisting power to an electric appliance, is provided with an output port and is electrically connected with the cogeneration device, the control system, the second heat exchanger and the water supply system;
the second heat exchanger is connected with the heat exchanger;
the water supply system is connected with the second heat exchanger and is used for providing a cold source for the cold end assembly.
The utility model also provides heating equipment, which comprises the heat collector, wherein the heat collector is provided with a heat collecting piece, and the outer side of the heat collector is also connected with a warm air guiding-out component.
The embodiment of the utility model has the following beneficial effects:
the utility model provides a cogeneration device, which collects heat after combustion of fuel gas through a heat collector, heats one end of a thermoelectric generation assembly by using the heat, and enables two ends of the thermoelectric generation assembly to form temperature difference, thereby realizing power generation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a cogeneration apparatus according to the present utility model;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a graph of compensation distance versus output power;
fig. 4 is a schematic diagram of a thermoelectric generation system according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 4, an embodiment of the present utility model provides a cogeneration apparatus including a heat collector 11 for inputting fuel gas combustion and providing heat; the thermoelectric generation assembly 2 comprises a first thermoelectric generation assembly and a second thermoelectric generation assembly, and the first thermoelectric generation assembly and the second thermoelectric generation assembly are respectively arranged on two opposite end surfaces of the heat collector 11 and are in contact with the heat collector 11; for outputting a current; and the cold end assembly 3 is contacted with the end face of the other side of the thermoelectric generation assembly 2 and is used for enabling the end faces of the two sides of the thermoelectric generation assembly 2 to form temperature difference through a cold source. The utility model provides a cogeneration device, which collects heat after combustion of fuel gas through a heat collector, heats one end of a thermoelectric generation assembly by using the heat, and enables two ends of the thermoelectric generation assembly to form temperature difference, thereby realizing power generation.
Further, in the embodiment of the utility model, the cogeneration device further comprises a cold end component 3, wherein the cold end component 3 is in contact with the end surface of the other side of the thermoelectric generation component 2, and the two side end surfaces of the thermoelectric generation component 2 form a temperature difference through a cold source. One end of the thermoelectric generation assembly is provided with the heat absorbing and collecting device 11, and the other end of the thermoelectric generation assembly is provided with the cold end assembly to improve the temperature difference of the two ends of the thermoelectric generation assembly.
The cold source in this scheme can be through cooling down by water-cooling, forced air cooling etc. directly to the one end of thermoelectric generation subassembly 2, also can make to adopt systematic formula, like water-cooling circulation system cools down, compares in the mode that adopts heat radiation structure now, and it can have more stable low temperature source to make thermoelectric generation subassembly 2's both ends form higher stability poor to promote the stability of power supply.
In the present utility model, the compensation distance L ranges from 12mm to 55mm. Since the power generation performance of the thermoelectric power generation module 2 is related to the temperature difference between the two ends thereof, as shown in fig. 3, it is known from experiments that the power generation amount is larger when the compensation distance is increased, and the lower the collector is, the value of the collector is unstable, and if the thermoelectric power generation sheet is, the heat is not uniform and the power generation efficiency is not high. From experimental data, the increase amplitude is smaller and smaller with the increase of L. Thus, l=42 mm is considered as the optimal compensation distance
And the slope of the hot side temperature becomes smaller as the compensation distance increases. For example, when l=12 mm, the hot side temperature drops from 521K to 465K, and when l=42 mm, the hot side temperature drops from 520K to 498K. Therefore, as the compensation length increases, the hot side temperature uniformity is improved, which is advantageous for releasing the potential of the thermoelectric generation assembly 2.
Therefore, the utility model ensures that the heat obtained by the thermoelectric generation assembly 2 at the hot end is more uniform through reasonable compensation distance design, and the structure is optimized to obtain higher power generation efficiency.
In the utility model, the thermoelectric generation assembly 2 comprises a plurality of first thermoelectric generation sheets 21 and a plurality of second thermoelectric generation sheet groups 22 which are arranged on two end surfaces of the heat collector 11; the cold end assembly 3 comprises a first cold end piece 31 arranged on the end face of the first thermoelectric generation set 21 and a second cold end piece 32 arranged on the end face of the second thermoelectric generation set 22. Through both sides electricity generation, promote efficiency greatly.
In addition, in the present utility model, when the plurality of first thermoelectric generation pieces 21 are arranged in a rectangular array, the height H of the heat collector 11 satisfies: h=a+1x±20; wherein a is the number of rows of the rectangular array; x is the height of the individual first thermoelectric generation pieces 21. According to the above analysis of the compensation distance L, the compensation distance between the first thermoelectric generation sheet 21 and the upper end of the heat collector 11 is an important factor affecting the power generation efficiency of the first thermoelectric generation sheet 21, and the cogeneration device adopts a structure of multiple thermoelectric generation sheets, so that the position of the thermoelectric generation sheets on the heat collector 11 and the parameters considering the compensation distance can cause the oversized heat collector 11, the present scheme provides a reasonable size parameter formula, and in addition, the height H of the heat collector 11 satisfies the following conditions: h=h+x±20; wherein h is the total height of the plurality of first thermoelectric generation sheets 21 after being arranged; x is the height of the individual first thermoelectric generation pieces 21.
In the utility model, the cogeneration device further comprises a heat exchanger 13, wherein the heat exchanger 13 is arranged at the upper end of the heat collector 11, an exhaust port is arranged on the heat exchanger 13, and a fan assembly is further arranged in the heat exchanger 13. The burned gas is discharged through the heat collector 11 and the heat exchanger 13, and the heat of the burned gas is absorbed by the heat collector 11 and transferred to the thermoelectric generation module 2.
And after the heat exchanger 13 discharges the burnt gas, the waste heat can be collected through parts such as an external heat exchanger, and the waste heat can be used for heating, heat supply, power generation and other purposes, so that the heat of the burnt gas is further utilized, the heat utilization rate is maximized, the environmental temperature of the fan is reduced, the fan is ensured to work at the working temperature, the working reliability of the fan is improved, and the whole equipment structure is more compact.
In the embodiment of the utility model, in order to further improve the heat transferred from the heat collector 11 to the thermoelectric generation assembly 2, a heat collecting cavity is arranged in the heat collector 11, and a plurality of heat collecting pieces positioned in the heat collecting cavity are further arranged on the heat collector 11. The heat in the heat collection cavity is absorbed through the heat collection piece, and is transferred to the thermoelectric generation assembly 2.
In addition, in the compensation distance L, the upper end face of the heat collector 11 refers to the uppermost heat collector in the heat collector 11, that is, the compensation distance L is the distance between the upper end face of the uppermost heat collector and the upper end face of the uppermost thermoelectric generation module 2.
Specifically, the cogeneration device further comprises a combustion chamber 12, the heat collector 11 comprises a left shell 111 and a right shell 112 which are detachably connected with each other, the left shell 111 and the right shell 112 form the heat collecting cavity, and the combustion chamber 12 is arranged at the lower side of the heat collector 11 and communicated with the heat collecting cavity; the heat collector includes a plurality of first ribs and a plurality of second ribs, the first ribs are disposed in the left housing 111, and the second ribs are disposed in the right housing 112. The burned gas is discharged from the upper side through the heat collecting chamber, and in order to effectively use the heat of the gas, the heat is extracted to the surfaces of the left and right cases 111 and 112 by the arrangement of the first and second rib columns to be transmitted to the thermoelectric generation assembly 2.
In the utility model, the rib post can be one of a circle, a square, a triangle or a polygon, and can also be made into a sheet shape, so that the main purpose is to increase the contact area with combustion gas, thereby improving the heat absorption.
The first rib columns and the second rib columns are arranged in 2 modes, and one of the first rib columns and the second rib columns are arranged oppositely one by one. And secondly, the first rib columns and the second rib columns are arranged in a staggered manner relatively, in addition, in the scheme, a plurality of first rib columns also form a multi-layer arrangement, wherein the arrangement can be arranged in a layer-by-layer sequence, and the heat absorption can be improved by adopting a mode of arranging two adjacent staggered positions, so that the heat utilization rate is improved.
In the embodiment of the utility model, in order to promote the heat absorption and collection of the heat collector, the heat collector is integrally manufactured by high heat conduction materials, and can be made of copper, aluminum, graphite and the like.
In addition, in the embodiment of the present utility model, the first cold end 31 and the second cold end 32 are both water heat exchangers. Similarly, the outputted hot water can be used as a heat output object, so that the function of the device is improved.
Further, in the embodiment of the present utility model, the two side surfaces of the heat collector 11 are further provided with protruding mounting portions 115, and the mounting portions 115 are provided with temperature probe holes 1151. The temperature probe hole 1151 is provided with a temperature sensor, and the temperature sensor is used for measuring the temperature of the hot end of the thermoelectric generation assembly 2, which is helpful for preventing the temperature of the hot end of the thermoelectric generation assembly 2 from being too high.
Furthermore, in the present utility model, the cogeneration apparatus further comprises a first clamping plate 41 and a second clamping plate 42, and the first clamping plate 41 and the second clamping plate 42 are connected to the heat collector 11 through a connecting rod (not shown). The structure is simple, and the installation is convenient.
The utility model also provides a thermoelectric power generation system, as shown in fig. 4, which comprises the cogeneration device, a control system 91, a power storage device 92, a second heat exchanger 93 and a water supply system 94; the control system 91 is electrically connected with the cogeneration device; the electricity storage device 92 is used for storing electric energy generated by the cogeneration device and supplying power or assisting power to an electric appliance, the electricity storage device 92 is provided with an output port 921, and the electricity storage device 92 is electrically connected with the cogeneration device, the control system 91, the second heat exchanger 93 and the water supply system 94; the second heat exchanger 93 is connected to the heat exchanger 13; the water supply system 94 is connected to the second heat exchanger 93 for providing a cold source to the cold end assembly 3. The system is added with a power storage device 92 to solve the problem of mismatching between power generation and equipment power consumption; when the electricity generation is greater than the electricity utilization of the equipment, the redundant electric quantity is transmitted to the electricity storage device 92 for energy storage; when the electricity production is less than the electricity consumption of the device, the electricity storage device 92 intervenes in supplying a part of the electricity to the device.
In addition, the water supply system 94 is added, and cold source input of the cold end assembly 3 can be realized through water circulation, specifically, the water supply system 94 comprises an expander 941 and a water pump 942 which are connected to a water outlet pipeline of the cold end assembly 3, and the water supply system is connected with a water inlet end of the cold end assembly 3 through a three-way valve, wherein the three-way valve can be externally connected with a water source inlet 943, and cold water can be supplemented through the water source inlet 943. While the expander 941 facilitates controlling the pressure of the outlet conduit, thermal expansion while facilitating heat dissipation. And in this aspect, the power of the water pump 942 may originate from the power store 92.
In this system, the second heat exchanger 93 is mainly used for cooling water in the water outlet pipeline of the cold end assembly 3, which may be added with a heat exchange fan 931, and the power of the heat exchange fan 931 may be derived from the electric storage device 92.
The utility model also provides a voltage control method of the thermoelectric generation fan, which comprises the following steps:
step 1: after the cogeneration device is started, controlling the voltage value of the fan assembly to an initial voltage value U 0 And obtains the current power P 0 。
Step 2: controlling the voltage value of the fan assembly to a first voltage U 1 Acquiring a first power generation P 1 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the U is 1 ＝U 0 +U P The U is P Is the cell voltage;
step 3: controlling windThe voltage value of the machine component reaches a first voltage U 2 Acquiring a second power P 2 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the U is 1 ＝U 0 -U P ；
Step 4: current power P 0 And the first power P 1 Second generation power P 2 Comparing;
step 5:
if the current power P 0 If the voltage value is the maximum value, the cogeneration device keeps the current voltage value to work-control is finished;
if the first power P 1 Power P of power generation before 0 Second generation power P 2 The maximum value of (2) is the previous power P 0 Is adjusted to P 1 Repeating the steps 2 to 5 until the control is finished;
if the second power P 2 Power P of power generation before 0 First power generation P 1 The maximum value of (2) is the previous power P 0 Is adjusted to P 2 And repeating the steps 2 to 5 until the control is finished.
In the above control method, the cell voltage U P The value of (2) may be 0.01, 0.1v, 1v, or may be defined by itself to be mainly used for obtaining the first power P after raising or lowering the first voltage by one unit voltage 1 Second generation power P 2 The cogeneration device adjusts the voltage value through the voltage control method to obtain an optimal working voltage value, and the working voltage value ensures that the equipment has the best thermal uniformity and the highest power generation efficiency.
The utility model also provides heating equipment, which comprises a heat collector 11, wherein the heat collector 11 is provided with a heat collecting piece, and the outer side of the heat collector 11 is also connected with a warm air guiding component. The warm air guiding component can adopt a fan arranged on the outer side of the heat collector 11, and after the heat collector 11 absorbs heat, the temperature guided by the fan is warmer, so that the heating effect is realized.
The utility model provides a cogeneration device, which collects heat after combustion of fuel gas through a heat collector, heats one end of a thermoelectric generation assembly by the heat, and the other end of the thermoelectric generation assembly provides a cold source through a cold end assembly to improve the temperature difference at two ends of the thermoelectric generation assembly.
It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the utility model. Furthermore, references to orientations or positional relationships of the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," etc. are based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
While the foregoing is directed to the preferred embodiments of the present utility model, it should be noted that modifications and variations could be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and variations are to be regarded as being within the scope of the utility model.
Claims (12)
1. A cogeneration apparatus comprising:
a heat collector (11);
the thermoelectric generation assembly (2), the thermoelectric generation assembly (2) comprises a first thermoelectric generation assembly and a second thermoelectric generation assembly, and the first thermoelectric generation assembly and the second thermoelectric generation assembly are respectively arranged on two opposite end surfaces of the heat collector (11) and are in contact with the heat collector (11);
the upper end face of the heat collector (11) is higher than the upper end face of the thermoelectric generation assembly (2), and a compensation distance (L) exists between the upper end face of the thermoelectric generation assembly (2) and the upper end face of the heat collector (11).
2. A cogeneration plant according to claim 1, wherein said first thermoelectric generation assembly comprises at least a plurality of first thermoelectric generation sheets (21) provided on one side of said heat collector (11), said heat collector (11) having a height (H) satisfying: h=h+x±20mm;
wherein h is the total height of the plurality of first thermoelectric generation sheets (21) after being distributed; x is the height of a single first thermoelectric generation sheet (21).
3. A cogeneration plant according to claim 1, wherein a heat collecting chamber is provided in said heat collector (11), and a plurality of heat collecting members are provided in said heat collecting chamber on said heat collector (11).
4. A cogeneration plant according to claim 1, wherein said compensation distance (L) ranges from 12mm to 55mm.
5. A cogeneration plant according to claim 1, wherein said compensation distance (L) is 42mm.
6. A cogeneration plant according to claim 1, further comprising a cold end assembly (3), wherein said cold end assembly (3) is in contact with the other side end face of said thermoelectric generation assembly (2), and wherein the temperature difference is formed between the two side end faces of the thermoelectric generation assembly (2) by a cold source.
7. A cogeneration apparatus according to claim 3, further comprising a heat exchanger (13), wherein said heat exchanger (13) is disposed at an upper end of said heat collector (11), an exhaust port is disposed on said heat exchanger (13), and a fan assembly is further disposed in said heat exchanger (13).
8. A cogeneration plant according to claim 7, further comprising a combustion chamber (12), wherein said heat collector (11) comprises a left housing (111) and a right housing (112) detachably connected to each other, and wherein said left housing (111) and right housing (112) are mounted to each other to form said heat collecting chamber, said combustion chamber (12) being provided on the underside of said heat collector (11) in communication with said heat collecting chamber;
the heat collecting piece comprises a plurality of first rib columns and a plurality of second rib columns, the first rib columns are arranged in the left shell (111), and the second rib columns are arranged in the right shell (112).
9. The cogeneration device according to claim 8, wherein the two sides of the heat collector (11) are further provided with a convex mounting portion (115), the mounting portion (115) is provided with a temperature probe hole (1151), and the temperature probe hole (1151) is provided with a temperature sensor.
10. A cogeneration plant according to claim 9, further comprising a first clamping plate (41) and a second clamping plate (42), said first clamping plate (41) and said second clamping plate (42) being connected to said heat collector (11) by means of a connecting rod.
11. A thermoelectric power generation system, characterized by comprising a control system (91), an electric power storage device (92), a second heat exchanger (93), a water supply system (94) and a cogeneration device according to any one of claims 1 to 10;
the control system (91) is electrically connected with the cogeneration device;
the electricity storage device (92) is used for storing electric energy generated by the cogeneration device and supplying power or assisting power to an electric appliance, the electricity storage device (92) is provided with an output port (921), and the electricity storage device (92) is electrically connected with the cogeneration device, the control system (91), the second heat exchanger (93) and the water supply system (94);
the second heat exchanger (93) is connected with the heat exchanger (13);
the water supply system (94) is connected with the second heat exchanger (93) and is used for providing a cold source.
12. A heating apparatus, characterized by comprising a heat collector (11) according to claim 1, wherein the heat collector (11) is provided with a heat collecting member, and a warm air guiding component is further connected to the outside of the heat collector (11).
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| CN202222785308.4U CN219222632U (en) | 2022-10-22 | 2022-10-22 | Cogeneration device, thermoelectric power generation system and heating equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024082689A1 (en) * | 2022-10-22 | 2024-04-25 | 浙江赛普能源有限公司 | Combined heat and power generation apparatus, thermoelectric power generation system, voltage control method and heating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024082689A1 (en) * | 2022-10-22 | 2024-04-25 | 浙江赛普能源有限公司 | Combined heat and power generation apparatus, thermoelectric power generation system, voltage control method and heating device |
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