Railway electricity storage thermoelectric generator

Abstract

The utility model discloses a kind of thermoelectric generators for railway electricity storage, including support, for the generator is erected;Heat-absorbing end, the heat-absorbing end is built-in liquid cavity, the liquid cavity is filled with heat storage liquid;Thermoelectric conversion device, the thermoelectric conversion device is used to convert the heat energy of heat-absorbing end into electric energy, the thermoelectric conversion device is electrically connected by rectifier and detection device;Cooling end, the cooling end is used to heat dissipation for thermoelectric conversion device;Cooling assembly, the cooling assembly includes heat sink and heat pipe, the heat sink and heat pipe are fixedly connected with cooling end;Glass cover, the glass cover cover is fixed in the top of the liquid cavity.The utility model provides a kind of thermoelectric generators for railway electricity storage by heat-absorbing end absorption solar energy, the heat storage liquid of internal liquid cavity carries out heat storage, so by thermoelectric conversion device can be relatively durable to generate electricity, power supply detection device by thermoelectric conversion device, low in cost, without complex circuit.

Description

Technical Field

[0001] This utility model relates to the field of power generation device technology, and in particular to a thermoelectric generator for railway energy storage. Background Technology

[0002] In recent years, my country's road construction has been in full swing, striving to achieve "road access to every village" to make people's travel more convenient and connections closer. Some places have complex geological conditions, which may pose safety hazards such as subsidence, landslides, and collapses. In order to ensure the safety of vehicles during driving, detection devices are installed on these roads and bridges. However, due to the complex geological conditions, the laying of circuits, battery life, and cost control have become major challenges. Therefore, it is urgent to invent a technology that can meet the power supply needs while saving money. Utility Model Content

[0003] The purpose of this application is to provide a thermoelectric generator for railway energy storage to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this application provides the following technical solution: a thermoelectric generator for railway energy storage, including a support frame for supporting the generator;

[0005] The heat-absorbing end has a built-in liquid cavity filled with a heat-storing liquid.

[0006] A thermoelectric conversion device, which converts thermal energy at the heat absorption end into electrical energy, is electrically connected to a rectifier and a detection device.

[0007] A cooling end, which is used to dissipate heat from the thermoelectric conversion device;

[0008] A cooling assembly, comprising a heat sink and a heat pipe, wherein the heat sink and the heat pipe are fixedly connected to a cooling end;

[0009] A glass cover is provided and fixed to the top of the liquid cavity.

[0010] Preferably, the heat pipe is vertically fixed to the bottom end of the cooling end and inserted into the ground.

[0011] Preferably, the heat sink is disposed on the outside of the bracket, and a plurality of parallel heat sink fins are fixedly connected to the outside of the heat sink.

[0012] Preferably, the outer wall of the heat-absorbing end is fixed with a heat-insulating coating.

[0013] Preferably, a pressure relief valve is fixedly installed on one side of the heat absorption end, and the inner end of the pressure relief valve is connected to the interior of the liquid chamber.

[0014] Preferably, the heat-absorbing end and the cooling end are arranged in parallel and both are fixed on the bracket, the heat-absorbing end is located above the cooling end, and the hot end and the cold end of the thermoelectric conversion device are fixedly connected to the heat-absorbing end and the cooling end, respectively.

[0015] In summary, the technical effects and advantages of this utility model are as follows:

[0016] Compared to solar power generation, this invention has the following advantages:

[0017] 1. Simple structure and low cost;

[0018] 2. No battery is required, reducing battery replacement costs;

[0019] 3. The current supply is stable and reliable, and there is a stable energy supply even at night. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of a thermoelectric generator for railway energy storage in an embodiment of this application;

[0022] Figure 2 This is a cross-sectional view of a thermoelectric generator for railway energy storage in an embodiment of this application;

[0023] Figure 3 This is a schematic diagram of the power supply structure of a railway energy storage thermoelectric generator according to an embodiment of this application.

[0024] In the diagram: 1. Support frame; 2. Thermoelectric conversion device; 3. Heat absorption end; 4. Cooling end; 5. Liquid chamber; 6. Heat storage liquid; 7. Glass cover; 8. Thermal insulation coating; 9. Pressure relief valve; 10. Heat dissipation plate; 11. Heat dissipation fins; 12. Heat conduction pipe. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] In the description of this disclosure, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "top," and "bottom," 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 disclosure and simplifying the description, and do not 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 disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] It should also be noted that all standard parts used in this application are commercially available, and can be custom-made according to the description and drawings. Unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances, and unless explicitly limited, machinery, parts, and equipment can all adopt conventional models in the prior art.

[0028] In this document, the term "comprising" is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] Example: Reference Figure 1-3 The illustrated railway energy storage thermoelectric generator includes a support frame 1 for mounting the generator.

[0030] The heat-absorbing end 3 has a built-in liquid cavity 5, which is filled with heat-storing liquid 6.

[0031] Thermoelectric conversion device 2, which is used to convert the heat energy of the heat absorption end into electrical energy, is electrically connected to a rectifier and a detection device;

[0032] Cooling end 4, the cooling end 4 is used to dissipate heat for thermoelectric conversion device 2;

[0033] A cooling assembly, comprising a heat sink 10 and a heat pipe 12, wherein the heat sink 10 and the heat pipe 12 are fixedly connected to the cooling end 4;

[0034] The glass cover 7 is fixed on the top of the liquid chamber 5. The thermoelectric generator for railway energy storage provided by this invention absorbs solar energy through the heat absorption end and stores heat in the heat storage liquid in the internal liquid chamber. In this way, it can generate electricity for a relatively long time through the thermoelectric conversion device. The electricity generated by the thermoelectric conversion device is supplied to the detection device. It has low cost and does not require complicated wiring.

[0035] With the above structure, the heat pipe 12 is vertically fixed to the bottom end of the cooling end 4 and inserted into the ground to facilitate heat dissipation using underground cold sources.

[0036] With the above structure, the heat sink 10 is disposed on the outside of the bracket 1, and a number of parallel heat sink fins 11 are fixedly connected to the outside of the heat sink 10 to facilitate air cooling.

[0037] With the above structure, the outer wall of the heat-absorbing end 3 is fixed with a heat-insulating coating 8 to keep the internal heat-storing liquid warm.

[0038] With the above structure, a pressure relief valve 9 is fixedly installed on one side of the heat absorption end 3. The inner end of the pressure relief valve 9 is connected to the inside of the liquid chamber 5 to facilitate pressure relief and avoid expansion damage to the device.

[0039] With the above structure: the heat-absorbing end 3 and the cooling end 4 are arranged in parallel and are both fixed on the bracket 1. The heat-absorbing end 3 is located above the cooling end 4. The hot end and cold end of the thermoelectric conversion device 2 are fixedly connected to the heat-absorbing end 3 and the cooling end 4, respectively.

[0040] The working principle of this embodiment is as follows: When sunlight shines on the glass cover, the heat storage liquid in the liquid chamber absorbs heat. The heat is exchanged with the thermoelectric conversion device through the heat absorption end. The thermoelectric conversion device generates electricity using the temperature difference. The generated electricity is rectified by the rectifier and supplied to the detection device.

[0041] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A thermoelectric generator for railway energy storage, characterized in that: include: Support bracket (1) is used to support the generator; The heat-absorbing end (3) has a built-in liquid cavity (5) and the liquid cavity (5) is filled with heat-storing liquid (6); Thermoelectric conversion device (2) is used to convert the heat energy of the heat absorption end into electrical energy. The thermoelectric conversion device (2) is electrically connected through a rectifier and a detection device. Cooling end (4), the cooling end (4) is used to dissipate heat for thermoelectric conversion device (2); The cooling assembly includes a heat sink (10) and a heat pipe (12), which are fixedly connected to the cooling end (4). A glass cover (7) is fixed to the top of the liquid cavity (5).

2. The thermoelectric generator for railway energy storage according to claim 1, characterized in that: The heat pipe (12) is vertically fixed to the bottom end of the cooling end (4) and inserted into the ground.

3. A thermoelectric generator for railway energy storage according to claim 1, characterized in that: The heat sink (10) is disposed on the outside of the bracket (1), and a plurality of heat sink fins (11) arranged in parallel to each other are fixedly connected to the outside of the heat sink (10).

4. A thermoelectric generator for railway energy storage according to claim 1, characterized in that: The outer wall of the heat-absorbing end (3) is fixed with a heat-insulating coating (8).

5. A thermoelectric generator for railway energy storage according to claim 1, characterized in that: A pressure relief valve (9) is fixedly installed on one side of the heat absorption end (3), and the inner end of the pressure relief valve (9) is connected to the inside of the liquid chamber (5).

6. A thermoelectric generator for railway energy storage according to claim 1, characterized in that: The heat-absorbing end (3) and the cooling end (4) are arranged in parallel and are both fixed on the bracket (1). The heat-absorbing end (3) is located above the cooling end (4). The hot end and the cold end of the thermoelectric conversion device (2) are fixedly connected to the heat-absorbing end (3) and the cooling end (4) respectively.

Images