Thermoelectric power generation device easy to disassemble and assemble

Abstract

A thermoelectric power generation device easy to disassemble and assemble comprises a stove, a thermoelectric power generation piece and a heat dissipation piece and further comprises a heat conduction plate and a square pipe, the heat dissipation piece is arranged in the square pipe, one end of the heat conduction plate is inserted into the stove, the other end of the heat conduction plate is inserted into the square pipe, one side of the heat dissipation piece is connected with the inner wall of the square pipe, and the other side of the heat dissipation piece is connected with the outer wall of the square pipe. The thermoelectric power generation piece is connected between the heat conduction plate and the other side of the heat dissipation piece in a pressed mode, and a switch key and a type-c interface are arranged on the outer wall of the square pipe. A ventilation channel is defined by the heat dissipation piece and the square pipe jointly, an air pipe is arranged on one side of the square pipe, one end of the air pipe is inserted into the stove, the other end of the air pipe is communicated with one end of the ventilation channel, and an air supply structure used for reducing the surface temperature of the heat dissipation piece is arranged at the other end of the ventilation channel. And the air supply structure comprises a motor bracket which is used for mounting a motor and is connected with the square tube. The utility model has the characteristic of simple structure.

Description

Technical Field

[0001] The utility model relates to a temperature difference power generation device which is easy to assemble and disassemble. Background Art

[0002] Chinese patent document No. CN 111779644 A disclosed on October 16, 2020 a temperature difference assisted power generation system, including a support module, a conversion module and an evaporation module. The support module includes a base plate, a wall, a heat absorbing plate, a temperature conducting plate, an external unit, an internal unit, a temperature conducting block and a refrigeration diode. The upper surface of the base plate is fixedly connected to the wall, and both sides of the inner wall of the wall are fixedly connected to the temperature conducting plates. The opposite back surfaces of the two temperature conducting plates are fixedly connected to the refrigeration diode through the temperature conducting blocks. The outer side of the refrigeration diode is fixedly connected to the heat absorbing plate, the top of the inner wall of the wall is fixedly connected to the internal unit, and the top of the outer surface of the wall is fixedly connected to the external unit; the conversion module includes a DC motor, a conversion intermediate gear bracket, a conversion intermediate gear, a conversion side gear, a bidirectional gear, a generator, a generator bracket, an execution power generation gear, an execution power generation gear bracket, a gear ring bracket, an output gear, a gear ring, a DC motor bracket and an input gear. A DC motor is provided on the side of the wall, and the DC motor and the upper surface of the base plate are connected by a DC motor support. The output shaft of the DC motor is fixedly connected to the output gear, the outer surface gear of the output gear is connected to the gear ring, the side of the gear ring is fixedly connected to the gear ring bracket, the gear ring bracket is fixedly connected to the upper surface of the base plate via the executing power generation gear bracket, the side of the executing power generation gear bracket is rotatably connected to the executing power generation gear, the executing power generation gear and the executing power generation gear bracket are fixedly connected via a connecting shaft, the outer surface gear of the executing power generation gear is connected to the conversion intermediate gear, the conversion intermediate gear and the executing power generation gear bracket are rotatably connected via the conversion intermediate gear bracket, the lower surface gear of the conversion intermediate gear is connected to the conversion lateral gear, the conversion lateral gear is rotatably connected to the base plate, the outer surface of the conversion lateral gear is rotatably connected to the bidirectional gear via the base plate, the outer surface gear of the bidirectional gear is connected to the input gear, a generator is arranged above the input gear, the output shaft of the generator is fixedly connected to the input gear, and the generator is fixedly connected to the base plate via the generator bracket. This temperature difference assisted power generation system has a complex structure and needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to provide a temperature difference power generation device with a simple structure and easy disassembly, so as to overcome the shortcomings of the prior art.

[0004] A readily detachable thermoelectric power generation device designed for this purpose comprises a stove, a thermoelectric power generation sheet and a heat sink. Its structural feature is that it further comprises a heat conducting plate and a square tube. The heat sink is arranged in the square tube. One end of the heat conducting plate is located in the area where the fire source or heat source is located, and the other end of the heat conducting plate is inserted into the square tube. One side of the heat sink is connected to the inner wall of the square tube. The thermoelectric power generation sheet is pressed between the heat conducting plate and the other side of the heat sink. A switch button and a Type-C interface are provided on the outer wall of the square tube.

[0005] Furthermore, the fire source includes a stove, one end of the heat conduction plate is inserted into the stove, the heat sink and the square tube together form a ventilation channel, an air duct is provided on one side of the square tube, one end of the air duct is inserted into the stove, the other end of the air duct is connected to one end of the ventilation channel, and the other end of the ventilation channel is provided with an air supply structure for reducing the surface temperature of the heat sink, the air supply structure includes a motor bracket for installing a motor and connected to the square tube, and the fan blades are connected to the drive shaft of the motor.

[0006] Furthermore, the thermoelectric power generation chip is electrically connected to the motor through the switch button, one end of the type-c interface is connected between the thermoelectric power generation chip and the motor, and the other end of the type-c interface is connected between the switch button and the motor; when the switch button is in the on mode, the external power supply or the built-in power supply supplies power to the motor, and the air supply structure starts to supply air; when the switch button is in the off mode, the thermoelectric power generation chip generates electricity to the outside, and the air supply structure supplies air, and the type-c interface charges to the outside.

[0007] Furthermore, a front fixing plate is provided on one side of the square tube, and one end of the air duct is inserted into the positioning hole on the front fixing plate. A rear fixing plate with ventilation holes is provided on the other side of the square tube, and a limiting hole is also provided on the rear fixing plate, and the end of the driving shaft of the motor is inserted into the limiting hole.

[0008] Furthermore, six-sided fixing nuts are provided on the inner wall of the square tube, and the front fixing plate, the rear fixing plate and the motor bracket are fastened to the six-sided fixing nuts by mounting screws respectively.

[0009] Furthermore, the air duct is located below the heat conducting plate.

[0010] Furthermore, the heat conduction plate includes a first heat conduction plate and a second heat conduction plate, one end of the first heat conduction plate is inserted into the stove, one end of the second heat conduction plate is inserted into the square tube, the other end of the first heat conduction plate is pressed onto the other end of the second heat conduction plate, and the thermoelectric power generation plate is pressed between the second heat conduction plate and the heat sink.

[0011] Furthermore, a first assembly hole is provided at one end of the first heat conducting plate, a third assembly hole is provided at one end of the second heat conducting plate, and a second assembly hole is provided at the other end of the second heat conducting plate. A first fastening screw passes through the first assembly hole and the second assembly hole in sequence to connect the first heat conducting plate and the second heat conducting plate as a whole, and the second fastening screw passes through the second assembly hole and is connected to the heat sink; fourth assembly holes are respectively provided on both sides of the heat sink, and fifth assembly holes are respectively provided on both sides of the square tube, and a third fastening screw passes through the fifth assembly hole and the fourth assembly hole in sequence to connect the square tube and the heat sink as a whole.

[0012] Furthermore, one end portion of the first heat conducting plate abuts against the end surface of the square tube, and the top surface of the first heat conducting plate is flush with the top surface of the square tube.

[0013] Furthermore, the front fixing plate is provided with an assembly groove for mounting the first heat conducting plate.

[0014] Furthermore, the second heat conducting plate is connected to the inner wall of the square tube through a heat insulating aluminum foil.

[0015] The heat sink in the present invention is arranged in the square tube, one end of the heat conduction plate is inserted into the stove, and the other end of the heat conduction plate is inserted into the square tube. One side of the heat sink is connected to the inner wall of the square tube, and the temperature difference power generation plate is pressed between the heat conduction plate and the other side of the heat sink. A switch button and a type-c interface are provided on the outer wall of the square tube. When in use, the heat conduction plate is inserted into the stove, and the switch button is pressed to start operation, and fast external charging can be achieved through the type-c interface.

[0016] The heat sink and the square tube in the present invention together form a ventilation channel, and an air duct is provided on one side of the square tube, one end of the air duct is inserted into the stove, and the other end of the air duct is connected to one end of the ventilation channel, and the other end of the ventilation channel is provided with an air supply structure for reducing the surface temperature of the heat sink, and the air supply structure includes a motor bracket for installing a motor and connected to the square tube, and the fan blades are connected to the drive shaft of the motor; the cold side of the thermoelectric power generation plate can be cooled by the air supply structure to increase the temperature difference, and the air supply structure can also be used to blow air into the stove to help the stove burn more vigorously, so that the first heat conduction plate can obtain more heat, thereby obtaining a larger temperature difference on both sides of the thermoelectric power generation plate and increasing the power generation.

[0017] Six-sided fixing nuts are provided on the inner wall of the square tube in the utility model, and the front fixing plate, the rear fixing plate and the motor bracket are respectively fastened to the six-sided fixing nuts by mounting screws; a first assembly hole is provided at one end of the first heat conducting plate, a third assembly hole is provided at one end of the second heat conducting plate, and a second assembly hole is provided at the other end of the second heat conducting plate, and a first fastening screw passes through the first assembly hole and the second assembly hole in sequence to connect the first heat conducting plate and the second heat conducting plate as a whole, and the second fastening screw passes through the second assembly hole and is connected to the heat dissipation component; all parts of this product are packaged and transported in the form of loose parts, which can not only reduce the volume and cost of packaging and transportation, but also meet the user's requirements for manual assembly, thereby improving the applicability of the product.

[0018] The second heat conduction plate in the present invention is connected to the inner wall of the square tube through the heat-insulating aluminum foil. By adding the heat-insulating aluminum foil, the external heat radiation can be effectively reduced, the outer wall temperature of the square tube can be prevented from being too high, and the chance of the user being scalded can be reduced, thereby improving the thermal energy utilization rate of the product and improving the safety performance of the product.

[0019] In summary, the utility model has the characteristic of simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of a first partial exploded structure of an embodiment of the present invention.

[0021] Figure 2 This is a schematic diagram of the second partial decomposition structure of the present invention.

[0022] Figure 3 This is a schematic diagram of the structure of the utility model in use state.

[0023] Figure 4 This is a circuit connection diagram of the utility model.

[0024] In the figure: 1 is the thermal insulation aluminum foil, 2 is the screw, 3 is the first heat conduction plate, 3.1 is the first assembly hole, 4 is the thermoelectric power generation plate, 5 is the second heat conduction plate, 5.1 is the second assembly hole, 5.2 is the third assembly hole, 6 is the heat sink, 6.1 is the fourth assembly hole, 7 is the square tube, 7.1 is the fifth assembly hole, 8 is the six-sided fixing nut, 9 is the air duct, 10 is the front fixing plate, 10.1 is the positioning hole, 10.2 is the assembly slot, 11 is the motor bracket, 12 is the motor, 13 is the fan blade, 14 is the rear fixing plate, 14.1 is the ventilation hole, 14.2 is the limit hole, 15 is the switch button, 16 is the type-c interface, 17 is the stove, 18 is the mobile phone, and 19 is the handle. DETAILED DESCRIPTION

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0026] See also Figures 1-4 A thermoelectric power generation device that is easy to disassemble and assemble includes a stove 17, a thermoelectric power generation sheet 4 and a heat sink 6, and also includes a heat conduction plate and a square tube 7. The heat sink 6 is arranged in the square tube 7. One end of the heat conduction plate is located in the area where the fire source or heat source is located, and the other end of the heat conduction plate is inserted into the square tube 7. One side of the heat sink 6 is connected to the inner wall of the square tube 7. The thermoelectric power generation sheet 4 is pressed between the heat conduction plate and the other side of the heat sink 6. A switch button 15 and a type-c interface 16 are provided on the outer wall of the square tube 7.

[0027] In this embodiment, the thermoelectric power generation sheet may be a commercially available TEG thermoelectric power generation sheet.

[0028] In this embodiment, the fire source includes a stove 17, one end of the heat conduction plate is inserted into the stove 17, the heat sink 6 and the square tube 7 together form a ventilation channel, and an air duct 9 is provided on one side of the square tube 7. One end of the air duct 9 is inserted into the stove 17, and the other end of the air duct 9 is connected to one end of the ventilation channel. The other end of the ventilation channel is provided with an air supply structure for reducing the surface temperature of the heat sink 6, and the air supply structure includes a motor bracket 11 for installing a motor 12 and connected to the square tube 7, and the fan blade 13 is connected to the drive shaft of the motor 12.

[0029] In this embodiment, air is blown to the furnace 17 through the air duct 9 to increase oxygen and make combustion more complete. At the same time, it can also increase the temperature difference and increase the power generation.

[0030] In this embodiment, for the application of heat source, you can refer to the following usage scenarios: place one end of the heat conduction plate of this product under the sun in hot summer or insert it into boiling water, and place the heat dissipation component 6 of this product in a cool place or soak it in water.

[0031] A front fixing plate 10 is provided on one side of the square tube 7, and one end of the air duct 9 is inserted into the positioning hole 10.1 on the front fixing plate 10. A rear fixing plate 14 with a ventilation hole 14.1 is provided on the other side of the square tube 7. A limiting hole 14.2 is also provided on the rear fixing plate 14, and the end of the driving shaft of the motor 12 is inserted into the limiting hole 14.2.

[0032] A six-sided fixing nut 8 is provided on the inner wall of the square tube 7 , and the front fixing plate 10 , the rear fixing plate 14 and the motor bracket 11 are fastened to the six-sided fixing nut 8 by mounting screws respectively.

[0033] The air duct 9 is located below the heat conducting plate.

[0034] The heat conducting plate includes a first heat conducting plate 3 and a second heat conducting plate 5. One end of the first heat conducting plate 3 is inserted into the stove 17, one end of the second heat conducting plate 5 is inserted into the square tube 7, the other end of the first heat conducting plate 3 is pressed onto the other end of the second heat conducting plate 5, and the thermoelectric power generation sheet 4 is pressed between the second heat conducting plate 5 and the heat sink 6.

[0035] A first assembly hole 3.1 is provided at one end of the first heat conducting plate 3, a third assembly hole 5.3 is provided at one end of the second heat conducting plate 5, and a second assembly hole 5.1 is provided at the other end of the second heat conducting plate 5. A first fastening screw passes through the first assembly hole 3.1 and the second assembly hole 5.1 in sequence to connect the first heat conducting plate 3 and the second heat conducting plate 5 as a whole, and a second fastening screw passes through the second assembly hole 5.1 and connects to the heat sink 6.

[0036] In this embodiment, the heat conducting plate is made into two pieces and then connected by a first fastening screw. The purpose is that when the first heat conducting plate extending into the furnace is burned, it can be replaced in time, and it is also convenient to equip first heat conducting plates of more lengths.

[0037] In this embodiment, fourth assembly holes 6.1 are respectively provided on both sides of the heat sink 6, and fifth assembly holes 7.1 are respectively provided on both sides of the square tube 7. The third fastening screw passes through the fifth assembly hole 7.1 and the fourth assembly hole 6.1 in sequence to connect the square tube 7 and the heat sink 6 as a whole.

[0038] One end of the first heat conducting plate 3 abuts against the end surface of the square tube 7 , and the top surface of the first heat conducting plate 3 is flush with the top surface of the square tube 7 .

[0039] The front fixing plate 10 is provided with an assembly groove 10 . 2 for mounting the first heat conducting plate 3 .

[0040] The second heat conducting plate 5 is connected to the inner wall of the square tube 7 through the heat insulating aluminum foil 1 .

[0041] When this product is working, the temperature of the first heat-conducting aluminum plate is about 200°C. In order to prevent the outer wall temperature of the square tube from being too high and causing burns to the user, the second heat-conducting plate 5 is connected to the inner wall of the square tube 7 through the insulating aluminum foil 1.

[0042] See also Figure 4The thermoelectric power generation sheet 4 is electrically connected to the motor 12 through the switch button 15, one end of the type-c interface 16 is connected between the thermoelectric power generation sheet 4 and the motor 12, and the other end of the type-c interface 16 is connected between the switch button 15 and the motor 12; when the switch button 15 is in the on mode, the external power supply or the built-in power supply supplies power to the motor 12, and the air supply structure starts to supply air; when the switch button 15 is in the off mode, the thermoelectric power generation sheet 4 generates electricity to the outside, and the air supply structure supplies air, and the type-c interface 16 charges to the outside.

[0043] In this embodiment, the driving power of the motor can be provided by the thermoelectric generator during operation. In this case, a lithium battery can also be provided to store electrical energy for use in the motor.

[0044] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

[0045] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. An easily detachable thermoelectric power generation device, comprising a thermoelectric power generation sheet (4) and a heat sink (6), characterized in that It also includes a heat conduction plate and a square tube (7), the heat sink (6) is arranged in the square tube (7), one end of the heat conduction plate is located in the area where the fire source or heat source is located, and the other end of the heat conduction plate is inserted into the square tube (7), one side of the heat sink (6) is connected to the inner wall of the square tube (7), the temperature difference power generation sheet (4) is pressed between the heat conduction plate and the other side of the heat sink (6), and a switch button (15) and a Type-C interface (16) are provided on the outer wall of the square tube (7).

2. The easily detachable thermoelectric power generation device according to claim 1, characterized in that The fire source comprises a stove (17), one end of the heat conducting plate is inserted into the stove (17), the heat sink (6) and the square tube (7) together form a ventilation channel, an air duct (9) is provided on one side of the square tube (7), one end of the air duct (9) is inserted into the stove (17), the other end of the air duct (9) is connected to one end of the ventilation channel, and an air supply structure for reducing the surface temperature of the heat sink (6) is provided at the other end of the ventilation channel, the air supply structure comprises a motor bracket (11) for mounting a motor (12) and connected to the square tube (7), and a fan blade (13) is connected to the drive shaft of the motor (12).

3. The easily detachable thermoelectric power generation device according to claim 2, characterized in that The thermoelectric power generation chip (4) is electrically connected to the motor (12) via the switch button (15); one end of the type-c interface (16) is connected between the thermoelectric power generation chip (4) and the motor (12); the other end of the type-c interface (16) is connected between the switch button (15) and the motor (12); when the switch button (15) is in an on mode, an external power supply or a built-in power supply supplies power to the motor (12), and at this time, the air supply structure starts to supply air; when the switch button (15) is in an off mode, the thermoelectric power generation chip (4) generates electricity externally, and at this time, the air supply structure supplies air, and the type-c interface (16) charges externally.

4. The easily detachable thermoelectric power generation device according to claim 2, characterized in that A front fixing plate (10) is provided on one side of the square tube (7), and one end of the air duct (9) is inserted into a positioning hole (10.1) on the front fixing plate (10). A rear fixing plate (14) with a ventilation hole (14.1) is provided on the other side of the square tube (7). A limiting hole (14.2) is also provided on the rear fixing plate (14), and an end of the drive shaft of the motor (12) is inserted into the limiting hole (14.2).

5. The easily detachable thermoelectric power generation device according to claim 4, characterized in that Six-sided fixing nuts (8) are provided on the inner wall of the square tube (7); the front fixing plate (10), the rear fixing plate (14) and the motor bracket (11) are respectively fastened to the six-sided fixing nuts (8) by mounting screws; the air duct (9) is located below the heat conducting plate.

6. The easily detachable thermoelectric power generation device according to claim 4, characterized in that The heat conducting plate comprises a first heat conducting plate (3) and a second heat conducting plate (5), one end of the first heat conducting plate (3) is inserted into the stove (17), one end of the second heat conducting plate (5) is inserted into the square tube (7), the other end of the first heat conducting plate (3) is pressed onto the other end of the second heat conducting plate (5), and the temperature difference power generation plate (4) is pressed between the second heat conducting plate (5) and the heat sink (6).

7. The easily detachable thermoelectric power generation device according to claim 6, characterized in that A first assembly hole (3.1) is provided at one end of the first heat conducting plate (3), a third assembly hole (5.3) is provided at one end of the second heat conducting plate (5), and a second assembly hole (5.1) is provided at the other end of the second heat conducting plate (5). A first fastening screw passes through the first assembly hole (3.1) and the second assembly hole (5.1) in sequence to connect the first heat conducting plate (3) and the second heat conducting plate (5) as a whole. A second fastening screw passes through the second assembly hole (5.1) and is connected to the heat dissipation element (6). Fourth assembly holes (6.1) are respectively provided on both sides of the heat dissipation element (6), and fifth assembly holes (7.1) are respectively provided on both sides of the square tube (7). A third fastening screw passes through the fifth assembly hole (7.1) and the fourth assembly hole (6.1) in sequence to connect the square tube (7) and the heat dissipation element (6) as a whole.

8. The easily detachable thermoelectric power generation device according to claim 7, characterized in that One end portion of the first heat conducting plate (3) abuts against the end surface of the square tube (7), and the top surface of the first heat conducting plate (3) is flush with the top surface of the square tube (7).

9. The easily detachable thermoelectric power generation device according to claim 6, characterized in that The front fixing plate (10) is provided with an assembly groove (10.2) for mounting the first heat conducting plate (3).

10. The easily detachable thermoelectric power generation device according to claim 8, characterized in that The second heat conducting plate (5) is connected to the inner wall of the square tube (7) via a heat insulating aluminum foil (1).

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