CN214898494U

CN214898494U - Thermoelectric power generation tube

Info

Publication number: CN214898494U
Application number: CN202120884822.6U
Authority: CN
Inventors: 杨昊川; 张士举; 费之奎; 徐玲俐; 郑成松; 丁嘉骏; 邓玉芳; 唐艺珂
Original assignee: Panzhihua University
Current assignee: Panzhihua University
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-26
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a thermoelectric generation pipe relates to thermoelectric generation technical field, a thermoelectric generation pipe, including a plurality of annular series circuit units, annular series circuit unit includes a plurality of P type semiconductor thermoelectric element, a plurality of N type semiconductor thermoelectric element and a plurality of conducting strip, P type semiconductor thermoelectric element and N type semiconductor thermoelectric element establish ties into cyclic annular formation through the conducting strip is crisscross annular series circuit unit, annular series circuit unit is including two electrically conductive ports, and is a plurality of annular series circuit unit forms the tubular structure through electrically conductive port electric connection. The utility model discloses a set up the thermoelectric generation structure into tubular structure, with the heat source setting at the inner ring, the inner chamber of thermoelectric generation pipe promptly for the heat source is by abundant utilization, and the outer loop is owing to be open space, and the heat dissipation is rapider, makes the utility model discloses a power generation effect reaches the best, thereby the utility model discloses can the efficient utilize used heat to generate electricity.

Description

Thermoelectric power generation tube

Technical Field

The utility model relates to a thermoelectric generation technical field, concretely relates to thermoelectric generation pipe.

Background

Waste heat in life and industry is ubiquitous, and high-temperature gas in a range hood, high-temperature tail gas discharged by automobiles, high-temperature liquid discharged by metallurgical steel-making enterprises and the like are all reusable heat sources, and huge utilization value is contained in the waste heat.

At present, the utilization rate of waste heat in industry or life is extremely low, and the example of reusing the waste heat by using the thermoelectric power generation tube in life is almost zero.

Therefore, a temperature difference power generation device is urgently needed at present, which can make full use of the waste heat source in life to perform thermoelectric conversion, realize efficient secondary utilization of energy and achieve the purposes of energy conservation and emission reduction.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a thermoelectric generation pipe that can high efficiency utilize used heat is provided.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a thermoelectric generation pipe, includes a plurality of annular series circuit units, annular series circuit unit includes a plurality of P type semiconductor thermoelectric element, a plurality of N type semiconductor thermoelectric element and a plurality of conducting strip, P type semiconductor thermoelectric element and N type semiconductor thermoelectric element pass through the conducting strip crisscross series connection cyclic annular formation annular series circuit unit, annular series circuit unit is including two electrically conductive ports, and is a plurality of annular series circuit unit passes through electrically conductive port electric connection and forms the tubular structure.

Preferably, a plurality of the annular series circuit units are connected in parallel through conductive ports to form the annular tubular structure.

Further, the annular tubular structure comprises an inner ring and an outer ring, the inner ring and the outer ring are both provided with insulators, and the conducting strip is located between the two insulators.

Preferably, the inner ring is a hot end of the thermoelectric generation tube, and the outer ring is a cold end of the thermoelectric generation tube.

Preferably, the insulator is a ceramic sheet.

Furthermore, the shell structure also comprises an inner ring shell and an outer ring shell, wherein the inner ring shell is matched with the insulator positioned on the inner ring, the outer ring shell is matched with the insulator positioned on the outer ring, and the insulator is positioned between the inner ring shell and the outer ring shell.

Further, still include the cooling tube, the cooling tube is inlayed in outer ring casing, the cooling tube includes cooling tube water inlet and cooling tube delivery port, and is provided with the coolant liquid in the cooling tube.

The utility model has the advantages that:

1. the utility model discloses a set up the thermoelectric generation structure into tubular structure, set up the inner ring into the hot junction of thermoelectric generation pipe, the outer loop sets up into the cold junction of thermoelectric generation pipe to better utilization the utility model discloses a structural feature sets up the heat source in the inner ring, namely the inner chamber of thermoelectric generation pipe for the heat source is fully utilized, the outer loop is because open space, and the heat dissipation is more rapid, makes the utility model discloses a generating effect reach the best, thereby the utility model discloses can utilize used heat to generate electricity by the high efficiency;

2. the annular series circuit unit of the utility model has radian and can be perfectly attached to a high temperature source, thereby further improving the power generation efficiency;

3. the utility model discloses arrange the intensive law of P type semiconductor thermoelectric element and N type semiconductor thermoelectric element for semiconductor thermoelectric element space utilization obtains improving, thereby the utility model discloses higher thermoelectric conversion efficiency has.

4. The utility model discloses owing to be the tubular structure, can directly overlap and establish on the heat source, for example heat pipe, hot furnace wall etc. when facilitating the use, have more efficient waste heat utilization ratio.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the circular series circuit unit of the present invention;

fig. 3 is a perspective view of the circular series circuit unit of the present invention;

shown in the figure: 1-a circular series circuit unit; 101-P type semiconductor thermoelectric elements; 102-N type semiconductor thermoelectric elements; 103-a conductive sheet; 104-a conductive port; 2-inner ring; 3-the outer loop; 4-an insulator; 5-an inner ring shell; 6-outer ring shell; 7-a cooling pipe; 701-a water inlet of a cooling pipe; 702-cooling tube water outlet.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1, fig. 2 and fig. 3, the thermoelectric power generation tube of the present invention comprises a plurality of annular series circuit units 1, each annular series circuit unit 1 comprises a plurality of P-type semiconductor thermoelectric elements 101, a plurality of N-type semiconductor thermoelectric elements 102 and a plurality of conductive sheets 103, the P-type semiconductor thermoelectric elements 101 and the N-type semiconductor thermoelectric elements 102 are alternately connected in series by the conductive sheets 103 to form an annular structure, the annular series circuit unit 1 comprises two conductive ports 104, and the annular series circuit unit 1 is electrically connected by the conductive ports 104 to form a tubular structure. The ring-shaped series circuit unit 1 is shown in fig. 2, the P-type semiconductor thermoelectric elements 101 and the N-type semiconductor thermoelectric elements 102 are alternately connected in series through the conductive sheets 103 to form a ring shape, that is, the P-type semiconductor thermoelectric elements 101 and the N-type semiconductor thermoelectric elements 102 are arranged at intervals around the circumference to form a ring shape, and are sequentially connected in series through the conductive sheets 103 to form a ring-shaped series circuit unit 1 having an inner ring 2 and an outer ring 3, the ring-shaped series circuit unit 1 includes two conductive ports 104, one port 104 is a positive electrode, the other port 104 is a negative electrode, the thermoelectric power generation tube of the present invention is composed of a plurality of ring-shaped series circuit units 1, the ring-shaped series circuit unit 1 and the ring-shaped series circuit unit 1 are electrically connected through the conductive ports 104 to form a tubular structure, as shown in fig. 1, when in use, wires can be connected at the two conductive ports 104, therefore, power is supplied to the outside, one annular series circuit unit 1 is a power supply, and a plurality of annular series circuit units 1 are combined together to form a large power supply, namely the thermoelectric generation tube of the utility model; the utility model discloses a through set up the thermoelectric generation structure into tubular structure, form the difference in temperature between inner ring 2 and the outer loop 3, thereby carry out thermoelectric generation, inner ring 2 is the closed space, have the heat preservation effect, make the temperature of inner ring 2 fully utilized, namely improved the utilization ratio of temperature, and with outer loop 3 be the open space, have the heat dissipation effect, thereby form an inner ring 2 heat preservation between inner ring 2 and the outer loop 3, the structural feature of outer loop 3 heat dissipation, preferentially set up inner ring 2 as the hot junction of thermoelectric generation pipe, outer loop 3 sets up as the cold junction of thermoelectric generation pipe, thereby better utilization the structural feature of the utility model, set up the heat source in inner ring 2, namely the inner chamber of thermoelectric generation pipe, make the heat source fully utilized, outer loop 3 is because open space, the heat dissipation is more rapid, make the power generation effect of the utility model reach the best, therefore, the utility model can efficiently utilize waste heat to generate electricity, and simultaneously, the annular series circuit unit 1 of the utility model has radian and can perfectly attach to a high temperature source, thereby further improving the generating efficiency; the utility model discloses arrange the intensive law of P type semiconductor thermoelectric element 101 and N type semiconductor thermoelectric element 102 for semiconductor thermoelectric element space utilization obtains improving, thereby the utility model discloses higher thermoelectric conversion efficiency has. The utility model discloses owing to be the tubular structure, can directly overlap and establish on the heat source, for example heat pipe, hot furnace wall etc. when facilitating the use, have more efficient waste heat utilization ratio.

The connection mode between the annular series circuit unit 1 can be for parallelly connecting, also can be for establishing ties, also can establish ties and parallelly connected the usefulness certainly, for the convenience of connecting, reduces simultaneously the utility model discloses the situation of generating heat, in this embodiment, a plurality of annular series circuit unit 1 passes through the parallelly connected formation of electrically conductive port 104 annular tubular structure. The whole thermoelectric generation tube has larger current due to parallel connection, is convenient to connect and reduces the heat productivity.

The annular tubular structure comprises an inner ring 2 and an outer ring 3, both the inner ring 2 and the outer ring 3 are provided with insulators 4, and a conducting strip 103 is located between the two insulators 4. Insulator 4 is the one deck non-conductive material promptly for prevent the utility model discloses the electric leakage.

According to the utility model discloses a structure inner ring 2 can be for the hot junction of thermoelectric generation pipe, also can be for the cold junction of thermoelectric generation pipe, and outer loop 3 can be for the hot junction of thermoelectric generation pipe with the reason, also can be for the cold junction of thermoelectric generation pipe, but, for the structural feature of rational utilization thermoelectric generation pipe, in this embodiment, inner ring 2 is the hot junction of thermoelectric generation pipe, outer loop 3 is the cold junction of thermoelectric generation pipe for the heat in hot junction is by abundant utilization, and the cold junction obtains abundant heat dissipation.

The insulator 4 is a non-conductive material, which may be plastic, rubber, glass, etc., and in this embodiment, the insulator 4 is a ceramic sheet. The ceramic wafer has high heat transfer efficiency and good heat dissipation effect.

The composite insulator further comprises an inner ring shell 5 and an outer ring shell 6, wherein the inner ring shell 5 is matched with the insulator 4 positioned on the inner ring 2, the outer ring shell 6 is matched with the insulator 4 positioned on the outer ring 3, and the insulator 4 is positioned between the inner ring shell 5 and the outer ring shell 6. By arranging the inner ring shell 5 and the outer ring shell 6, the whole power generation device is arranged in one shell, so that the use and the installation are convenient.

Still include cooling tube 7, cooling tube 7 inlays in outer ring casing 6, cooling tube 7 includes cooling tube water inlet 701 and cooling tube delivery port 702, and is provided with the coolant liquid in the cooling tube 7. Through setting up cooling tube 7, make the utility model discloses a cold junction heat dissipation is rapider for the difference in temperature is bigger, and the size of the difference in temperature that keeps that can be stable has kept stable electricity generation, and generating efficiency further obtains improving.

Claims

1. The utility model provides a thermoelectric generation pipe which characterized in that: the ring-shaped thermoelectric element comprises a plurality of ring-shaped series circuit units (1), wherein each ring-shaped series circuit unit (1) comprises a plurality of P-type semiconductor thermoelectric elements (101), a plurality of N-type semiconductor thermoelectric elements (102) and a plurality of conducting strips (103), the P-type semiconductor thermoelectric elements (101) and the N-type semiconductor thermoelectric elements (102) are connected in series in a staggered mode through the conducting strips (103) to form a ring shape to form the ring-shaped series circuit unit (1), each ring-shaped series circuit unit (1) comprises two conducting ports (104), and the ring-shaped series circuit units (1) are electrically connected through the conducting ports (104) to form a ring-shaped tubular structure.

2. The thermoelectric power generation tube according to claim 1, wherein: a plurality of the annular series circuit units (1) are connected in parallel through conductive ports (104) to form the annular tubular structure.

3. The thermoelectric power generation tube according to claim 1 or 2, wherein: the annular tubular structure comprises an inner ring (2) and an outer ring (3), the inner ring (2) and the outer ring (3) are both provided with insulators (4), and the conducting strip (103) is located between the two insulators (4).

4. The thermoelectric power generation tube according to claim 3, wherein: the inner ring (2) is the hot end of the thermoelectric generation tube, and the outer ring (3) is the cold end of the thermoelectric generation tube.

5. The thermoelectric power generation tube according to claim 4, wherein: the insulator (4) is a ceramic chip.

6. The thermoelectric power generation tube according to claim 5, wherein: the insulating ring is characterized by further comprising an inner ring shell (5) and an outer ring shell (6), wherein the inner ring shell (5) is matched with the insulator (4) located on the inner ring (2), the outer ring shell (6) is matched with the insulator (4) located on the outer ring (3), and the insulator (4) is located between the inner ring shell (5) and the outer ring shell (6).

7. The thermoelectric power generation tube according to claim 6, wherein: still include cooling tube (7), inlay in outer ring casing (6) cooling tube (7), cooling tube (7) include cooling tube water inlet (701) and cooling tube delivery port (702), and are provided with the coolant liquid in cooling tube (7).