CN220732616U - Thermoelectric power generation device of heating power pipe network and heating power pipe network system - Google Patents

Abstract

The utility model relates to the technical field of waste heat utilization of a heating power pipe network, in particular to a heating power pipe network temperature difference power generation device and a heating power pipe network system. The heating power pipe network thermoelectric generation device comprises: a hot-end heat pipe, a cold-end heat pipe and a thermoelectric generation sheet; the first end of the hot-end heat pipe is used for being in contact with the outer wall of the water supply pipeline, the second end of the hot-end heat pipe is in contact with the hot end of the thermoelectric generation sheet, the first end of the cold-end heat pipe is used for being in contact with a cold source with lower temperature than the outer wall of the water supply pipeline, and the second end of the cold-end heat pipe is in contact with the cold end of the thermoelectric generation sheet. The thermoelectric power generation device of the heating power pipe network and the waste heat of domestic hot water or heating by using the heating power pipe network can realize automatic power generation under the heating power well so as to supply electricity to the electricity utilization components in the heating power well.

Description

Thermoelectric power generation device of heating power pipe network and heating power pipe network system

Technical Field

The utility model relates to the technical field of waste heat utilization of a heating power pipe network, in particular to a heating power pipe network temperature difference power generation device and a heating power pipe network system.

Background

The heat supply pipe network is a pipe network system for conveying and distributing heat supply media to users by a heat supply source. The thermodynamic well is an important facility for heat supply network management and is used for underground thermodynamic pipeline construction, maintenance, switch inspection and the like, and electricity utilization components exist in the thermodynamic well, but compared with the temperature in the well of other municipal network, the internal temperature of the thermodynamic well is higher, so that the difficulty of using a battery to supply electricity in the thermodynamic well is high.

Disclosure of Invention

The utility model aims to provide a heating power pipe network temperature difference power generation device and a heating power pipe network system so as to solve the technical problems to a certain extent.

The utility model provides a thermoelectric power generation device of a heating power pipe network, which comprises: a hot-end heat pipe, a cold-end heat pipe and a thermoelectric generation sheet; the first end of the hot-end heat pipe is used for being in contact with the outer wall of the water supply pipeline, the second end of the hot-end heat pipe is in contact with the hot end of the thermoelectric generation sheet, the first end of the cold-end heat pipe is used for being in contact with a cold source with lower temperature than the outer wall of the water supply pipeline, and the second end of the cold-end heat pipe is in contact with the cold end of the thermoelectric generation sheet.

The water supply line is used for delivering hot water, and the temperature of the water supply line is relatively high compared to its surroundings, i.e. the temperature of the cold source, for example: the temperature of the hot water in the water supply pipeline can reach more than 80 ℃, and the external environment temperature of the water supply pipeline in the thermodynamic well chamber is below 50 ℃; the first end of the hot-end heat pipe is contacted with the outer wall of the water supply pipeline, the second end of the hot-end heat pipe is contacted with the hot end of the thermoelectric generation sheet, and the hot-end heat pipe can convey the heat of the water supply pipeline to the hot end of the thermoelectric generation sheet; the first end of the cold-end heat pipe is contacted with the cold source, the second end of the cold-end heat pipe is contacted with the cold end of the thermoelectric generation sheet, and the cold-end heat pipe can transfer heat between the cold source and the thermoelectric generation sheet; the temperature of the hot end of the thermoelectric generation sheet is different from the temperature of the cold end of the thermoelectric generation sheet, and a temperature difference exists, so that thermoelectromotive force is generated, and the thermoelectric generation sheet can be used for generating electricity.

The thermoelectric power generation device of the heating power pipe network and the waste heat of the living hot water or heating of the heating power pipe network can realize the self-power generation under the heating power well, so that the power utilization of power utilization components (such as a sensor or detection equipment and the like) in the heating power well can be realized, the dependence of the power utilization components arranged in the heating power well on battery replacement can be reduced, the endurance time of the heating power well is prolonged, the maintenance period of the heating power well is prolonged, and further the labor cost, the time cost and the maintenance cost of the maintenance and operation of the heating power well are reduced; the automatic power generation can be realized in the thermodynamic well, the continuous operation of underground electric equipment can be realized, and the electric equipment which needs continuous power supply is free from the limit of battery capacity, so that the electric equipment with higher power consumption, better precision and more types can be installed; the waste heat is utilized to generate electricity, so that energy can be further utilized, and the energy consumption is reduced. In addition, the hot-end heat pipe is adopted as a heat transfer element between the heat source and the thermoelectric generation sheet, and the cold-end heat pipe is adopted as a heat transfer element between the cold source and the thermoelectric generation sheet.

Further, the first end of the cold end heat pipe is used for being in contact with the outer wall of the water return pipeline.

Further, the hot side heat pipe is located below the cold side heat pipe.

Further, a hot end arc-shaped section is arranged at the first end of the hot end heat pipe, the hot end arc-shaped section protrudes to the direction away from the cold end heat pipe, and the hot end arc-shaped section is used for wrapping the outer wall of the water supply pipeline.

Further, a heat source end heat conduction layer is filled between the hot end arc section and the water supply pipeline; and a gap between the second end of the hot-end heat pipe and the thermoelectric generation sheet is filled with a hot-end heat conduction layer.

Further, the first end of the cold-end heat pipe is provided with a cold-end arc-shaped section, the cold-end arc-shaped section protrudes to the direction away from the hot-end heat pipe, and the cold-end arc-shaped section is used for wrapping the outer wall of the water return pipeline.

Further, a cold source end heat conduction layer is filled between the cold end arc section and the water return pipeline; and a gap between the second end of the cold-end heat pipe and the thermoelectric generation sheet is filled with a cold-end heat conduction layer.

Further, the heat pipe network thermoelectric power generation device further comprises heat insulation fixing plates which are arranged oppositely, one heat insulation fixing plate is arranged on one side, far away from the thermoelectric power generation sheet, of the hot-end heat pipe, and the other heat insulation fixing plate is arranged on one side, far away from the thermoelectric power generation sheet, of the cold-end heat pipe; the two heat insulation fixing plates are connected and fixed with each other.

The utility model provides a heating power pipe network system which comprises a water supply pipeline, a cold source and the heating power pipe network thermoelectric power generation device, wherein the first end of a hot end heat pipe is contacted with the outer wall of the water supply pipeline, and the first end of a cold end heat pipe is contacted with the cold source.

Further, the cold source is a water return pipeline, and the first end of the cold-end heat pipe is in contact with the outer wall of the water return pipeline.

It is to be understood that both the foregoing general description and the following detailed description are for purposes of example and explanation and are not necessarily limiting of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the present disclosure. Meanwhile, the description and drawings are used to explain the principles of the present disclosure.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a thermoelectric power generation device of a thermodynamic pipe network according to an embodiment of the present utility model;

FIG. 2 is a cut-away view of the thermoelectric power generation device of the thermal network shown in FIG. 1;

FIG. 3 is a schematic diagram of a part of the thermoelectric power generation device of the thermodynamic pipe network shown in FIG. 1;

fig. 4 is a schematic structural diagram of a heat pipe network system according to an embodiment of the present utility model.

Icon: 10-a hot-end heat pipe; 20-cold end heat pipes; 30-thermoelectric generation sheets; 40-a first heat insulation fixing plate; 50-a second insulating fixing plate; 60-water supply pipes; 70-a water return pipeline; 80-bolts; 11-a hot end arc segment; 21-cold end arc section.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of 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 specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 3, the present utility model provides a thermoelectric power generation device for a thermal power grid, comprising: a hot-end heat pipe 10, a cold-end heat pipe 20 and a thermoelectric generation sheet 30; the first end of the hot side heat pipe 10 is used for contacting with the outer wall of the water supply pipeline 60, the second end of the hot side heat pipe 10 is used for contacting with the hot side of the thermoelectric generation sheet 30, the first end of the cold side heat pipe 20 is used for contacting with a cold source with a temperature lower than that of the outer wall of the water supply pipeline 60, and the second end of the cold side heat pipe 20 is contacted with the cold side of the thermoelectric generation sheet 30.

In this embodiment, the water supply pipe 60 is used for supplying hot water, and the temperature of the water supply pipe 60 is higher than the temperature of the surrounding environment, i.e. the cold source, for example: the temperature of the hot water in the water supply pipe 60 may be up to 80 degrees or more, and the external ambient temperature of the water supply pipe 60 in the thermodynamic well chamber is 50 degrees or less; the first end of the hot-end heat pipe 10 contacts with the outer wall of the water supply pipeline 60, the second end of the hot-end heat pipe 10 contacts with the hot end of the thermoelectric generation sheet 30, and the hot-end heat pipe 10 can convey the heat of the water supply pipeline 60 to the hot end of the thermoelectric generation sheet 30; the first end of the cold-end heat pipe 20 is contacted with the cold source, the second end of the cold-end heat pipe 20 is contacted with the cold end of the thermoelectric generation sheet 30, and the cold-end heat pipe 20 can transfer heat between the cold source and the thermoelectric generation sheet 30; the temperature of the hot end of the thermoelectric generation sheet 30 is different from the temperature of the cold end of the thermoelectric generation sheet 30, and there is a temperature difference, so that a thermoelectric electromotive force is generated, and thus the thermoelectric generation sheet can be used for generating electricity.

The thermoelectric power generation device of the heating power pipe network and the waste heat of the living hot water or heating of the heating power pipe network can realize the self-power generation under the heating power well, so that the power utilization of power utilization components (such as a sensor or detection equipment) in the heating power well can be realized, the dependence of the power utilization components arranged in the heating power well on battery replacement can be reduced, the endurance time of the heating power well is prolonged, the maintenance period of the heating power well is prolonged, and further the labor cost, the time cost and the maintenance cost of the maintenance and operation of the heating power well are reduced; the automatic power generation can be realized in the thermodynamic well, the continuous operation of underground electric equipment can be realized, and the electric equipment which needs continuous power supply is free from the limit of battery capacity, so that the electric equipment with higher power consumption, better precision and more types can be installed; the waste heat is utilized to generate electricity, so that energy can be further utilized, and the energy consumption is reduced. In addition, the hot-end heat pipe 10 is adopted as a heat transfer element between a heat source and the thermoelectric generation sheet 30, and the cold-end heat pipe 20 is adopted as a heat transfer element between a cold source and the thermoelectric generation sheet 30, and the heat pipe makes full use of the heat conduction principle and the rapid heat transfer property of a refrigerating medium, so that the heat of a heating object is rapidly transferred to the outside of the heat source through the heat pipe, the heat pipe has high heat conductivity, the heat transfer efficiency can be improved, and the power generation efficiency of the thermoelectric generation device with the heating power pipe network of the embodiment can be improved.

It should be noted that the thermoelectric power generation device of the thermal power pipe network may further include a transformer, a power storage device, and other structures, so as to be capable of stably storing power and stably transmitting power.

The cold source may be air around the water supply pipe 60, the outside of other components (e.g., exposed steel pipes outside of a compensator, a fixing bracket, etc.), the wall of a thermodynamic well, the soil outside of a thermodynamic well, etc.

Alternatively, the first end of the cold side heat pipe 20 is adapted to contact the outer wall of the return pipe 70, that is, the return pipe 70 acts as a cold source. In this embodiment, the temperature of the backwater in the backwater pipe 70 is low, and the temperature difference between the backwater and the hot water in the water supply pipe 60 can reach 40 to 60 degrees, so that the temperature difference between the hot end and the cold end of the thermoelectric generation sheet 30 is larger, which is beneficial to improving the power generation efficiency.

As shown in fig. 1 and 4, the hot-end heat pipe 10 is located below the cold-end heat pipe 20, that is, the heat source is located below and the cold source is located above with respect to the thermoelectric generation sheet 30, so that the heat conduction efficiency of the phase-change heat conduction material in the hot-end heat pipe 10 and the cold-end heat pipe 20 can be improved, which is beneficial to improving the power generation efficiency.

As shown in fig. 1 to 4, a hot-end arc-shaped section 11 is disposed at a first end of the hot-end heat pipe 10, the hot-end arc-shaped section 11 protrudes away from the cold-end heat pipe 20, and the hot-end arc-shaped section 11 is used for wrapping an outer wall of the water supply pipeline 60.

In this embodiment, the first end (i.e. the end connected to the water supply pipeline 60) of the hot-end heat pipe 10 is provided with a hot-end arc segment 11, the hot-end arc segment 11 protrudes away from the cold-end heat pipe 20, i.e. the hot-end arc segment 11 protrudes downward, the hot-end arc segment 11 can be adapted to the outer wall of the water supply pipeline 60 and can be wrapped around the lower portion of the outer wall of the water supply pipeline 60, so that the contact between the hot-end heat pipe 10 and the outer wall of the water supply pipeline 60 is more sufficient, and heat transfer is more facilitated.

Further, on the basis of the above embodiment, a heat source end heat conduction layer is filled between the hot end arc section 11 and the water supply pipeline 60; the gap between the second end of the hot-end heat pipe 10 and the thermoelectric generation sheet is filled with a hot-end heat conduction layer.

In this embodiment, the heat source end heat conducting layer is arranged to fill up the gap between the hot end arc section 11 and the outer wall of the water supply pipeline 60, and the heat end heat conducting layer is arranged to fill up the gap between the second end of the hot end heat pipe 10 and the thermoelectric generation sheet 30, so as to improve the heat transfer efficiency.

The heat source end heat conducting layer and the heat end heat conducting layer can be made of heat conducting silicone grease or heat conducting sheets and the like.

As shown in fig. 1 to 3, further, based on the above embodiment, the first end of the cold-end heat pipe 20 is provided with a cold-end arc-shaped section 21, the cold-end arc-shaped section 21 protrudes away from the hot-end heat pipe 10, and the cold-end arc-shaped section 21 is used to wrap the outer wall of the water return pipe 70.

In this embodiment, the first end (i.e. the end connected to the water return pipe 70) of the cold-end heat pipe 20 is provided with a cold-end arc segment 21, the cold-end arc segment 21 protrudes away from the hot-end heat pipe 10, i.e. the cold-end arc segment 21 protrudes upwards, the cold-end arc segment 21 can be adapted to the outer wall of the water return pipe 70 and can be wrapped on the upper portion of the outer wall of the water return pipe 70, so that the cold-end heat pipe 20 contacts with the outer wall of the water return pipe 70 more sufficiently, and heat transfer is more facilitated.

That is, the cold end arc section 21 is higher than the hot end arc section 11, so that the heat pipe can be used for playing the characteristics of the heat pipe, the working medium in the heat pipe is changed into gas from liquid after being heated, the gas flows from the heating section to the condensing section, the gas releases heat and condenses into liquid in the condensing section, and the liquid flows back to the heating section under the action of capillary force and gravity, so that the reciprocating closed cycle is performed.

Further, on the basis of the above embodiment, a cold source end heat conduction layer is filled between the cold end arc section 21 and the water return pipeline 70; the gap between the second end of the cold side heat pipe 20 and the thermoelectric generation sheet is filled with a cold side heat conducting layer.

In this embodiment, the gap between the cold end arc section 21 and the outer wall of the water return pipeline 70 can be filled by the heat conducting layer at the cold source end, and the gap between the second end of the cold end heat pipe 20 and the thermoelectric generation sheet 30 can be filled by the heat conducting layer at the cold end, so that the heat transfer efficiency is improved.

As shown in fig. 1 and 2, further, on the basis of the above embodiment, the thermoelectric power generation device of the thermal power pipe network further includes heat insulation fixing plates which are oppositely arranged, one heat insulation fixing plate is arranged on one side of the hot end heat pipe 10 far away from the thermoelectric power generation sheet 30, and the other heat insulation fixing plate is arranged on one side of the cold end heat pipe 20 far away from the thermoelectric power generation sheet 30; the two heat insulation fixing plates are connected and fixed with each other.

In this embodiment, one of the two heat insulation fixing plates is a first heat insulation fixing plate 40, and the other is a second heat insulation fixing plate 50, the first heat insulation fixing plate 40 is disposed on one side of the hot-end heat pipe 10 far away from the thermoelectric generation sheet 30, the second heat insulation fixing plate 50 is disposed on one side of the cold-end heat pipe 20 far away from the thermoelectric generation sheet 30, and the first heat insulation fixing plate 40 and the second heat insulation fixing plate 50 are connected with each other, so that the hot-end heat pipe 10, the thermoelectric generation sheet 30 and the cold-end heat pipe 20 between the two are clamped, so that the hot-end heat pipe 10 and the thermoelectric generation sheet 30 are in tight contact with each other, and the cold-end heat pipe 20 and the thermoelectric generation sheet 30 are tightly contacted with each other, thereby ensuring the power generation efficiency.

Wherein, the first heat insulation fixing plate 40 and the second heat insulation fixing plate 50 can be connected by welding, and the first heat insulation fixing plate 40 and the second heat insulation fixing plate 50 can be connected by buckling; optionally, the first heat-insulating fixing plate 40 and the second heat-insulating fixing plate 50 are connected by bolts 80 or screws, so that on one hand, the installation is convenient, and on the other hand, the distance between the first heat-insulating fixing plate 40 and the second heat-insulating fixing plate 50 can be adjusted, and the tightness degree of clamping the parts between the first heat-insulating fixing plate 40 and the second heat-insulating fixing plate can be adjusted.

It should be noted that the number of the hot-end heat pipes 10 may be one, or may be two, three, or four, or the like, and the number of the cold-end heat pipes may be one, or may be two, three, or four, or the like, accordingly. When the number of the hot side heat pipes 10 and the cold side heat pipes 20 is plural, the hot side heat pipes 10 and the cold side heat pipes 20 are arranged in pairs side by side at intervals.

The embodiment of the utility model also provides a heating power pipe network system, which comprises a water supply pipeline 60, a cold source and the heating power pipe network thermoelectric generation device in any technical scheme, wherein the first end of the hot-end heat pipe 10 is contacted with the outer wall of the water supply pipeline 60, and the first end of the cold-end heat pipe 20 is contacted with the cold source.

In this embodiment, the water supply pipe 60 is used for supplying hot water, and the temperature of the water supply pipe 60 is higher than the temperature of the surrounding environment, i.e. the cold source, for example: the temperature of the hot water in the water supply pipe 60 may be up to 80 degrees or more, and the external ambient temperature of the water supply pipe 60 in the thermodynamic well chamber is 50 degrees or less; the first end of the hot-end heat pipe 10 contacts with the outer wall of the water supply pipeline 60, the second end of the hot-end heat pipe 10 contacts with the hot end of the thermoelectric generation sheet 30, and the hot-end heat pipe 10 can convey the heat of the water supply pipeline 60 to the hot end of the thermoelectric generation sheet 30; the first end of the cold-end heat pipe 20 is contacted with the cold source, the second end of the cold-end heat pipe 20 is contacted with the cold end of the thermoelectric generation sheet 30, and the cold-end heat pipe 20 can transfer heat between the cold source and the thermoelectric generation sheet 30; the temperature of the hot end of the thermoelectric generation sheet 30 is different from the temperature of the cold end of the thermoelectric generation sheet 30, and there is a temperature difference, so that a thermoelectric electromotive force is generated, and thus the thermoelectric generation sheet can be used for generating electricity. The heating power pipe network system provided by the embodiment can realize self-power generation, save energy consumption and reduce the frequency of replacing batteries of electric equipment.

The cold source may be air around the water supply pipeline 60, the outside of other components (such as a compensator, a steel pipe with exposed outside such as a fixed bracket, etc.), the wall of a thermodynamic well, soil outside the thermodynamic well, etc.

Alternatively, the cold source is a return water pipe 70, and the first end of the cold side heat pipe 20 is in contact with the outer wall of the return water pipe 70. In this embodiment, the temperature of the backwater in the backwater pipe 70 is lower, and the temperature difference between the backwater and the hot water in the water supply pipe 60 can reach 40 to 60 degrees, so that the temperature difference between the hot end and the cold end of the thermoelectric generation sheet 30 is larger, which is beneficial to improving the power generation efficiency.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model. In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments.

Claims (10)

1. A thermal network thermoelectric power generation device, comprising: a hot-end heat pipe (10), a cold-end heat pipe (20) and a thermoelectric generation sheet (30); the first end of the hot-end heat pipe (10) is used for being in contact with the outer wall of the water supply pipeline (60), the second end of the hot-end heat pipe (10) is in contact with the hot end of the thermoelectric generation sheet (30), the first end of the cold-end heat pipe (20) is used for being in contact with a cold source with a temperature lower than that of the outer wall of the water supply pipeline (60), and the second end of the cold-end heat pipe (20) is in contact with the cold end of the thermoelectric generation sheet (30).

2. A heat pipe network thermoelectric power generation device according to claim 1, wherein the first end of the cold end heat pipe (20) is adapted to contact the outer wall of the return pipe (70).

3. A heat pipe network thermoelectric power generation device according to claim 2, wherein the hot side heat pipe (10) is located below the cold side heat pipe (20).

4. A heat pipe network thermoelectric power generation device according to claim 3, wherein a first end of the hot end heat pipe (10) is provided with a hot end arc section (11), the hot end arc section (11) protrudes in a direction away from the cold end heat pipe (20), and the hot end arc section (11) is used for wrapping an outer wall of the water supply pipeline (60).

5. The heat pipe network thermoelectric power generation device according to claim 4, wherein a heat source end heat conduction layer is filled between the hot end arc section (11) and the water supply pipeline (60); and a gap between the second end of the hot-end heat pipe (10) and the thermoelectric generation sheet is filled with a hot-end heat conduction layer.

6. A heat pipe network thermoelectric power generation device according to claim 3, wherein a first end of the cold end heat pipe (20) is provided with a cold end arc section (21), the cold end arc section (21) protrudes in a direction away from the hot end heat pipe (10), and the cold end arc section (21) is used for wrapping an outer wall of the water return pipe (70).

7. The heat pipe network thermoelectric power generation device according to claim 6, wherein a cold source end heat conduction layer is filled between the cold end arc section (21) and the water return pipeline (70); and a gap between the second end of the cold-end heat pipe (20) and the thermoelectric generation sheet is filled with a cold-end heat conduction layer.

8. A thermodynamic pipe network thermoelectric generation device according to any one of claims 1 to 7 wherein the thermodynamic pipe network thermoelectric generation device further comprises oppositely arranged heat insulation fixing plates, one of which is arranged on the side of the hot side heat pipe (10) remote from the thermoelectric generation sheet (30) and the other of which is arranged on the side of the cold side heat pipe (20) remote from the thermoelectric generation sheet (30); the two heat insulation fixing plates are connected and fixed with each other.

9. A heating power pipe network system, characterized by comprising a water supply pipeline (60), a cold source and a heating power pipe network thermoelectric generation device according to any one of claims 1-8, wherein a first end of the hot end heat pipe (10) is in contact with an outer wall of the water supply pipeline (60), and a first end of the cold end heat pipe (20) is in contact with the cold source.

10. The heat pipe network system according to claim 9, wherein the cold source is a return pipe (70), and the first end of the cold side heat pipe (20) is in contact with an outer wall of the return pipe (70).