Turbine jet thermoelectric power generation device
By using a turbojet temperature differential power generation device in a turbojet engine, the heat from the high-temperature part of the turbine generates current, the problem of large shaft power load of small and medium-sized turbojet engines is solved, extending the life of the turbine and achieving energy conservation and emission reduction.
Patent Information
- Application Number
- CN202510012240.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-02-28
AI Technical Summary
Small and medium-sized turbojet engines have shortened turbine life under large shaft power loads, and the long-term power supply of airborne equipment depends on the turbine engine, affecting the aerodynamic layout and flight speed of the drone.
A turbojet temperature difference power generation device is adopted, which includes a PN semiconductor ring, a heat dissipation aluminum ring, a copper ring and a fastening screw. Through heat conduction and temperature difference effects, the heat from the high-temperature part of the turbine is used to generate a current.
There is no need to increase the blade load of the turbine, greatly extend the life of the turbine, and achieve energy-saving and emission reduction effects by efficiently utilizing the heat of the turbojet part.
Smart Images
Figure CN119543701A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the field of turbine aircraft engines, and in particular relates to a turbine jet temperature difference power generation device. Background Art
[0002] Currently, drones use small and medium-sized turbojet engines and mechanically drive generators. The shaft power load of small and medium-sized turbojet engines increases greatly, and the life of the turbine will be greatly reduced. The turbine is a key device placed in the high-temperature part of the turbojet engine. The shaft is connected to the compressor and fan device, and it is also the key technology that determines the turbojet engine. The smaller its load torque, the longer the life of the turbine engine and the better the reliability.
[0003] The long-term power supply of airborne equipment is inseparable from the power supply of the turbine engine. The capacity of the onboard battery is limited. The separate generator with blades is externally connected to the fuselage of the UAV and relies on the airflow of the aircraft to drive power generation, which greatly affects the aerodynamic layout of the UAV and greatly reduces the flight speed. Summary of the invention
[0004] The invention provides a turbojet temperature difference power generation device and provides the following technical solution. The technical solution adopts; it includes a PN semiconductor ring, a heat dissipation aluminum ring, a copper ring, a fastening screw, and a lead wire. The PN semiconductor ring is provided with multiple layers or multiple pieces, arranged in a ring, the hot surface of the PN semiconductor ring is attached to the outer ring of the copper ring, the inner ring of the copper ring is attached to the high temperature part of the turbine, and the cold surface of the PN semiconductor ring is attached to the inner ring of the heat dissipation aluminum ring.
[0005] A further configuration is that fastening holes are provided on the sides of the PN semiconductor ring, the heat dissipation aluminum ring and the copper ring, and the fastening screws pass through the outer layer of the heat dissipation aluminum ring and are tightened to the screw holes of the high-temperature part of the turbine housing.
[0006] A further configuration is that the heat dissipation aluminum ring (2) is provided with a plurality of transverse plates, one end of the base is fastened to the aluminum ring, and the plates are arranged in a circular pattern at intervals, and are placed in the cold air duct of the turbine fan to take away heat and form a temperature difference, and the copper ring (3) absorbs heat from the high-temperature part of the turbine and conducts it to the hot surface of the PN semiconductor ring (1).
[0007] A further configuration is that the multiple pieces are electrically connected to the multi-layer PN semiconductor in a ring shape and are connected in series or in parallel to the lead wires to provide the required voltage.
[0008] The beneficial progress is that there is no need to increase the blade load of the turbine, which greatly extends the life of the turbine. In the present technical solution, the turbine jet temperature difference power generation device directly generates electricity with the device, and the heat of the turbine jet is efficiently utilized to achieve energy saving and emission reduction. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] In order to more clearly illustrate the embodiments of the present invention or the existing technical solutions, a brief introduction to the drawings required for the description is given.
[0010] Figure 1 It is the position structure diagram of the device of the present invention.
[0011] Figure 2 It is an exploded structural diagram of the device of the present invention.
[0012] Figure 3 This is a front and side structural diagram of the present invention.
[0013] Figure 4 This is a diagram of the NP semiconductor structure of the present invention.
[0014] In the figure, it includes a PN semiconductor ring (1), a P-zone semiconductor (101), an N-zone semiconductor (102), a mounting hole (103), a heat dissipation aluminum ring (2), a transverse heat sink (201), an aluminum ring (201), a mounting hole (203), a copper ring (3), a mounting hole (301), a fastening screw (4), a lead wire (5), and a body hole (6). DETAILED DESCRIPTION
[0015] The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention. 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 indicate positions or positional relationships based on the positions 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 orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
[0016] See also Figure 1 The annular sleeve of the turbojet temperature difference power generation device shown is placed at the high temperature position of the turbine, in the outer duct through which cold air flows, and the high-temperature and high-pressure gas energy flows through the inner duct and is transferred to the temperature difference power generation device through heat conduction.
[0017] Figure 2 As shown, the decomposition includes a PN semiconductor ring (1), a heat dissipation aluminum ring (2), a copper ring (3), a fastening screw (4), and a lead wire (5). The PN semiconductor ring (1) is provided with multiple layers or multiple pieces, which are arranged in a ring. The hot surface of the PN semiconductor ring (1) is attached to the outer ring of the copper ring (3), the inner ring of the copper ring (3) is attached to the high-temperature part of the turbine, and the cold surface of the PN semiconductor ring (1) is attached to the inner ring of the heat dissipation aluminum ring (2).
[0018] Figure 3 As shown, the PN semiconductor ring (1) and the heat dissipation aluminum ring (2) and the copper ring (3) are provided with mounting holes (103), mounting holes (203) and mounting holes (301) on their sides, and the fastening screws (4) pass through the outer layer of the heat dissipation aluminum ring (2) and are screwed into the screw holes of the body holes (6) of the casing at the high temperature part of the turbine.
[0019] Figure 3 As shown, the heat dissipation aluminum ring (2) is provided with a plurality of transverse heat dissipation fins (201), one end of the transverse fins being fastened to the aluminum ring (201) at the base, being arranged in a circular pattern at intervals, and being placed in the cold air duct of the turbine fan to take away heat and form a temperature difference. The copper ring (3) absorbs heat from the high temperature part of the turbine and conducts it to the hot surface of the PN semiconductor ring (1).
[0020] Figure 4 As shown, the multiple pieces and layers of P-region semiconductors (101) and N-region semiconductors (102) are electrically connected and connected in series or in parallel to a lead wire (5) to provide the required voltage.
[0021] Working process and principle control; PN semiconductor is placed in the high temperature position of the turbine, in the outer duct through which cold air flows. High temperature and high pressure gas energy flows through the inner duct and is transferred to the PN semiconductor through heat conduction. The PN semiconductor generates a temperature difference when it is powered on. When it is also placed in a temperature difference environment, a potential difference is generated in the reverse direction to form a current that can be loaded. This is the principle of the Parr effect and Shell effect of PN semiconductors. At present, the material of PN semiconductor is a ternary solid solution alloy of bismuth telluride P-type (Bi2Te3-SbTe3) and N-type (Bi2Te3-BiTe3). According to the technical performance, different materials are doped to obtain a single performance improvement.
[0022] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. Turbojet temperature difference power generation device, characterized in that The invention comprises a PN semiconductor ring (1), a heat dissipation aluminum ring (2), a copper ring (3), a fastening screw (4), and a lead wire (5); the PN semiconductor ring (1) is provided with multiple layers or multiple pieces arranged in a ring; the hot surface of the PN semiconductor ring (1) is attached to the outer ring of the copper ring (3); the inner ring of the copper ring (3) is attached to the high-temperature part of the turbine; and the cold surface of the PN semiconductor ring (1) is attached to the inner ring of the heat dissipation aluminum ring (2).
2. According to claim 1, the turbojet temperature difference power generation device is characterized in that: The PN semiconductor ring (1), the heat dissipation aluminum ring (2) and the copper ring (3) are provided with fastening holes on their sides, and the fastening screws (4) pass through the outer layer of the heat dissipation aluminum ring (2) and are screwed into the screw holes of the casing at the high temperature part of the turbine.
3. According to claim 1, the turbojet temperature difference power generation device is characterized in that: The heat dissipation aluminum ring (2) is provided with a plurality of transverse plates, one end of the base is fastened to the aluminum ring, and the plates are arranged in a circular pattern at intervals and placed in the cold air duct of the turbine fan to take away heat and form a temperature difference. The copper ring (3) absorbs heat from the high-temperature part of the turbine and conducts it to the hot surface of the PN semiconductor ring (1).
4. According to claim 1, the turbojet temperature difference power generation device is characterized in that: The multiple pieces are electrically connected to the multilayer PN semiconductor ring (1) and are connected in series or in parallel to the lead wire (5) to provide the required voltage.