Thermoelectric power generation device and heat dissipating device

Abstract

The utility model discloses a thermoelectric device and heat dissipation device, the thermoelectric device includes a heat dissipation device, a plurality of thermoelectric piece, a heat conduction device and a charge -discharge circuit, the front of thermoelectric piece is installed in the top surface of heat conduction device, the back of thermoelectric piece is pasted with heat dissipation device through heat conduction material, the bottom surface of heat conduction device is pasted with heat supply pipeline, the input of thermoelectric piece is connected with charge -discharge circuit, and charge -discharge circuit includes voltage stabilizing circuit, and the output of charge -discharge circuit is connected with electric load. The heat dissipation device of the utility model can reach good heat dissipation effect, and the voltage and current produced by thermoelectric piece satisfy target requirement, and continuously provide electric energy for sensor in the downhole or pipeline periphery.

Description

Technical Field

[0001] This utility model relates to a thermoelectric generator and a heat dissipation device. Background Technology

[0002] A heating system refers to the general term encompassing boilers in boiler rooms, heat exchange units, outdoor heating pipe networks, and radiators. Heating systems are beginning to shift towards intelligent and low-carbon technologies.

[0003] In older urban areas, directly buried heating pipes often leak due to corrosion and other reasons, leading to a decline in heating quality during winter. Outdoor heating pipes are buried several meters below the surface, making it difficult to locate leaks visually or by sound in their early stages.

[0004] In the existing technology, the measurement of pipeline leaks requires the detection of pipeline vibration by sensors to infer the location of the leak, and these sensors require electrical power to operate.

[0005] Currently, the way to provide power to sensors is to reserve wires or generate electricity by using the temperature difference between pipes and the environment. However, current thermoelectric power generation devices have the drawback of insufficient power supply, which cannot meet the needs of sensors. Utility Model Content

[0006] The technical problem to be solved by this utility model is to overcome the defect of insufficient power supply in the existing thermoelectric power generation device, which cannot meet the needs of the sensor. It provides a thermoelectric power generation device and heat dissipation device that can achieve good heat dissipation effect, so that the voltage and current generated by the thermoelectric power generation chip meet the target requirements, and continuously provide power to the sensor in the well or outside the pipeline.

[0007] The present invention solves the above-mentioned technical problems through the following technical solution:

[0008] A thermoelectric generator for use in a heating pipeline, characterized in that the thermoelectric generator includes a heat dissipation device, a plurality of thermoelectric generating plates, a heat conduction device, and a charging and discharging circuit.

[0009] The front side of the thermoelectric generator is mounted on the top surface of the heat-conducting device, and the back side of the thermoelectric generator is attached to the heat dissipation device through a heat-conducting material.

[0010] The bottom surface of the heat-conducting device is in contact with the heating pipe;

[0011] The thermoelectric generators are all connected to the input terminal of the charging and discharging circuit, which includes a voltage regulator circuit.

[0012] The output terminal of the charging and discharging circuit is connected to the electrical load.

[0013] Preferably, the heat dissipation device includes a square base and a plurality of heat dissipation columns disposed on the square base, the height of the heat dissipation columns increasing in each target direction, the target direction being the direction from the midpoint of one side of the square to the center of the square.

[0014] Preferably, the heat dissipation column includes several heat dissipation column groups, each heat dissipation column group is square in shape, the heat dissipation columns in the same group are of the same height, the centers of all heat dissipation column groups coincide and the corresponding sides of the square are parallel, and the height of the heat dissipation column group increases uniformly towards the center.

[0015] Preferably, each heat dissipation column is aligned horizontally and vertically along the sides of the square base.

[0016] Preferably, the number of heat dissipation pillars is 7, and the rectangular base has a side length of 145mm and a thickness of 45mm.

[0017] The height of the first heat dissipation column assembly is 10mm;

[0018] The height of the second heat dissipation column assembly is 20mm;

[0019] The height of the third heat dissipation column is 30mm;

[0020] The height of the fourth heat dissipation column is 40mm;

[0021] The height of the fifth heat dissipation column is 50mm;

[0022] The height of the sixth heat dissipation column is 60mm;

[0023] The height of the seventh heat dissipation column is 70mm;

[0024] The gap between adjacent heat dissipation pillars is 5mm, and the length and width of the heat dissipation pillars are both 5mm.

[0025] Preferably, the heat-conducting device includes thermally conductive silicone.

[0026] Preferably, the heat-conducting device includes an arched support, the top surface of which is flat, the bottom surface of which matches the outer surface of the heating pipe, and thermally conductive silicone is provided between the arched support and the heating pipe.

[0027] Preferably, the thermoelectric generator is laid flat on the top surface of the arched support using thermally conductive silicone, and the top surface of the thermoelectric generator is attached to the bottom surface of the heat dissipation device using thermally conductive silicone.

[0028] Preferably, the charging and discharging circuit includes a voltage regulator circuit, the electrical load includes a battery or a sensor, the thermoelectric generator is divided into two groups, the thermoelectric generators in the same group are connected in series, and the two groups of thermoelectric generators are connected in parallel and then connected to the charging and discharging circuit.

[0029] This utility model also provides a heat dissipation device, characterized in that the heat dissipation device is used in the thermoelectric power generation device as described above.

[0030] The present invention also provides a pipeline leak detection device, which is used in the thermoelectric generator as described above.

[0031] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.

[0032] The positive and progressive effects of this utility model are as follows:

[0033] The heat dissipation device of this utility model can achieve a good heat dissipation effect, so that the voltage and current generated by the thermoelectric generator meet the target requirements and continuously provide power to the sensor in the well or outside the pipeline. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the thermoelectric power generation device according to Embodiment 1 of this utility model.

[0035] Figure 2 This is another structural schematic diagram of the thermoelectric power generation device according to Embodiment 1 of this utility model.

[0036] Figure 3 This is another structural schematic diagram of the thermoelectric power generation device according to Embodiment 1 of this utility model.

[0037] Figure 4 This is a schematic diagram of the pipeline leakage detection device according to Embodiment 1 of this utility model.

[0038] Figure 5 This is another structural schematic diagram of the thermoelectric power generation device according to Embodiment 1 of this utility model.

[0039] Figure 6 This is a schematic diagram illustrating the effect of the thermoelectric power generation device in Embodiment 1 of this utility model. Detailed Implementation

[0040] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described herein.

[0041] Example 1

[0042] See Figures 1 to 6 This embodiment provides a thermoelectric generator for use in heating pipelines. The thermoelectric generator includes a heat dissipation device 11, a plurality of thermoelectric generator plates 12, a heat conduction device 13, and a charging and discharging circuit.

[0043] The front side of the thermoelectric generator 12 (semiconductor material) is mounted on the top surface of the heat conduction device 13, and the back side of the thermoelectric generator is attached to the heat dissipation device through a heat-conducting material (thermal conductive silicone).

[0044] The bottom surface of the heat-conducting device is in contact with the heating pipe 21;

[0045] The thermoelectric generators are all connected to the input terminal of the charging and discharging circuit, which includes a voltage regulator circuit.

[0046] The output terminal of the charging and discharging circuit is connected to the electrical load.

[0047] The heat dissipation device 11 includes a square base 111 and a plurality of heat dissipation columns 112 disposed on the square base. The height of the heat dissipation columns increases in each target direction, and the target direction is the direction from the midpoint of one side of the square to the center of the square.

[0048] The heat dissipation column includes several heat dissipation column groups, each heat dissipation column group is square in shape, the heat dissipation columns in the same group are the same height, the centers of all heat dissipation column groups coincide and the corresponding sides of the square are parallel, and the height of the heat dissipation column group increases uniformly towards the center.

[0049] Each heat dissipation column is aligned horizontally and vertically along the sides of the square base.

[0050] The number of heat dissipation pillars is 7, and the rectangular base has a side length of 145mm and a thickness of 45mm.

[0051] The height of the first heat dissipation column assembly is 10mm;

[0052] The height of the second heat dissipation column assembly is 20mm;

[0053] The height of the third heat dissipation column is 30mm;

[0054] The height of the fourth heat dissipation column is 40mm;

[0055] The height of the fifth heat dissipation column is 50mm;

[0056] The height of the sixth heat dissipation column is 60mm;

[0057] The height of the seventh heat dissipation column is 70mm;

[0058] The gap between adjacent heat dissipation pillars is 5mm, and the length and width of the heat dissipation pillars are both 5mm.

[0059] The heat-conducting device includes thermally conductive silicone.

[0060] Using the aforementioned heat dissipation device, the heat dissipation column can be higher than the insulation layer 31 of the heating pipe, thus playing a good role in heat dissipation and realizing power generation based on temperature difference.

[0061] The heat-conducting device 13 includes an arched support, the top surface of which is a plane, and the bottom surface of which matches the outer surface of the heating pipe. A heat-conducting silicone 14 is provided between the arched support and the heating pipe.

[0062] The thermoelectric generator is laid flat on the top surface of the arched support using thermally conductive silicone, and the top surface of the thermoelectric generator is attached to the bottom surface of the heat dissipation device using thermally conductive silicone.

[0063] The charging and discharging circuit includes a voltage regulator circuit, the electrical load includes a battery or a sensor, the thermoelectric generator is divided into two groups, the thermoelectric generators in the same group are connected in series, and the two groups of thermoelectric generators are connected in parallel and then connected to the charging and discharging circuit.

[0064] in Figure 6 This is for reference only and is not intended to limit the scope of protection.

[0065] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.

Claims

1. A thermoelectric generator for use in heating pipelines, characterized in that, The thermoelectric power generation device includes a heat dissipation device, several thermoelectric power generation plates, a heat conduction device, and a charging and discharging circuit. The front side of the thermoelectric generator is mounted on the top surface of the heat-conducting device, and the back side of the thermoelectric generator is attached to the heat dissipation device through a heat-conducting material. The bottom surface of the heat-conducting device is in contact with the heating pipe; The thermoelectric generators are all connected to the input terminal of the charging and discharging circuit, which includes a voltage regulator circuit. The output terminal of the charging and discharging circuit is connected to the electrical load.

2. The thermoelectric power generation device as described in claim 1, characterized in that, The heat dissipation device includes a square base and several heat dissipation columns disposed on the square base. The height of the heat dissipation columns increases in each target direction, which is the direction from the midpoint of one side of the square to the center of the square.

3. The thermoelectric power generation device as described in claim 2, characterized in that, The heat dissipation column includes several heat dissipation column groups, each heat dissipation column group is square in shape, the heat dissipation columns in the same group are the same height, the centers of all heat dissipation column groups coincide and the corresponding sides of the square are parallel, and the height of the heat dissipation column group increases uniformly towards the center.

4. The thermoelectric power generation device as described in claim 3, characterized in that, Each heat dissipation column is aligned horizontally and vertically along the sides of the square base.

5. The thermoelectric power generation device as described in claim 3, characterized in that, The number of heat dissipation pillars is 7, and the rectangular base has a side length of 145mm and a thickness of 45mm. The height of the first heat dissipation column assembly is 10mm; The height of the second heat dissipation column assembly is 20mm; The height of the third heat dissipation column is 30mm; The height of the fourth heat dissipation column is 40mm; The height of the fifth heat dissipation column is 50mm; The height of the sixth heat dissipation column is 60mm; The height of the seventh heat dissipation column is 70mm; The gap between adjacent heat dissipation pillars is 5mm, and the length and width of the heat dissipation pillars are both 5mm.

6. The thermoelectric power generation device as described in claim 1, characterized in that, The heat-conducting device includes thermally conductive silicone.

7. The thermoelectric power generation device as described in claim 1, characterized in that, The heat-conducting device includes an arched support, the top surface of which is flat, and the bottom surface of which matches the outer surface of the heating pipe. Thermally conductive silicone is provided between the arched support and the heating pipe.

8. The thermoelectric power generation device as described in claim 7, characterized in that, The thermoelectric generator is laid flat on the top surface of the arched support using thermally conductive silicone, and the top surface of the thermoelectric generator is attached to the bottom surface of the heat dissipation device using thermally conductive silicone.

9. The thermoelectric power generation device as described in claim 1, characterized in that, The charging and discharging circuit includes a voltage regulator circuit, the electrical load includes a battery or a sensor, the thermoelectric generator is divided into two groups, the thermoelectric generators in the same group are connected in series, and the two groups of thermoelectric generators are connected in parallel and then connected to the charging and discharging circuit.

10. A heat dissipation device, characterized in that, The heat dissipation device is used in the thermoelectric power generation device as described in any one of claims 1 to 9.

Images