CN210859074U

CN210859074U - Portable solar Stirling generator

Info

Publication number: CN210859074U
Application number: CN201922008697.8U
Authority: CN
Inventors: 司洋; 邬宗鹏; 李永港
Original assignee: Anhui University of Technology AHUT
Current assignee: Anhui University of Technology AHUT
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-26
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a portable solar energy stirling generator belongs to the solar power system field. It includes stirling, motor, stand, fixed arm and concave mirror, the fixed arm can be rotatory from top to bottom and install in the bottom of stand, installs the concave mirror on the fixed arm, stirling fixed mounting is on the top of stand, the motor is installed on the stand, and its pivot passes through transmission and stirling transmission links to each other. The utility model discloses utilize solar energy to provide the heat for the stirling engine, rethread stirling engine drives the motor and generates electricity to can satisfy small-size electrical equipment such as cell-phone, camera and electric light work electric power demand under emergency effectively, and its simple structure, use in a flexible way, small, convenient to carry, work efficiency is high, and is energy-concerving and environment-protective.

Description

Portable solar Stirling generator

Technical Field

The utility model belongs to the solar power system field, more specifically say, relate to a portable solar energy stirling generator.

Background

With the rapid development of science and technology, many small electrical devices, such as mobile phones, tablet computers, cameras, electric lamps, etc., are widely used, and these devices are related to communication, entertainment and life of people, and have become one of the necessary articles for people to go out. If the small-sized electrical equipment is placed outside for a long time, the small-sized electrical equipment inevitably faces the problem of electric energy exhaustion, so that the communication and entertainment functions cannot be realized, and the personal safety of people is influenced in serious cases.

At present, when power is supplied to the small-sized electrical equipment which needs to be frequently shifted, particularly when power needs to be supplied to the small-sized electrical equipment in an emergency, the following two power generation measures are generally adopted: one is to carry a solar panel, but the method has lower efficiency and higher cost, and can not supply power emergently; the other type is a directly-carried generator, but most of the generators are too heavy, have high noise, are complex in structure and difficult to maintain, and are inconvenient to carry due to the fact that fuel is needed. At present, the Stirling generator is adopted to generate electricity for small-sized electrical equipment in the prior art, although the electricity generation mode is relatively high in electricity generation efficiency and low in noise, most of the existing Stirling generators are relatively large in size, sometimes need to use fuel, are inconvenient to carry and are not suitable for the small-sized electrical equipment.

For example, the chinese patent application No. 201721176593.2 discloses a stirling generator, which comprises a fuel burner, a hot cylinder, a cold cylinder, a generator, a single chip microcomputer, and a storage battery, wherein the fuel burner heats the tail of the hot cylinder, the rear end of the hot cylinder is connected with the rear end of the cold cylinder through a heat pipe, a piston a is assembled in the hot cylinder, and a piston B is assembled in the cold cylinder; the piston A and the piston B are connected together through a crankshaft connecting rod mechanism, and the crankshaft connecting rod mechanism drives the generator. Although the Stirling generator is convenient to move and can supply power for small-sized electrical equipment, the Stirling generator generates power by burning fuel, so that fuel consumption is high, operation is complex and the Stirling generator is not practical.

SUMMERY OF THE UTILITY MODEL

1. Problems to be solved

An object of the utility model is to solve among the prior art to the inconvenient problem of the small-size electrical equipment power supply of frequent shift positions such as cell-phone, camera and electric light, provide a portable solar energy stirling generator. Adopt the technical scheme of the utility model small-size electrical equipment such as cell-phone, camera and electric light work electric power demand under emergency can be satisfied effectively, and its simple structure, use in a flexible way, and is small, convenient to carry, and work efficiency is high, and is energy-concerving and environment-protective.

2. Technical scheme

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

the utility model discloses a portable solar energy stirling generator, including stirling, motor, stand, fixed arm and concave mirror, the fixed arm is rotatory from top to bottom and is installed in the bottom of stand, installs the concave mirror on the fixed arm, stirling fixed mounting is on the top of stand, the motor is installed on the stand, and its pivot passes through transmission and stirling transmission links to each other.

Furthermore, the fixed arm is connected with the upright post through a ratchet wheel adjustable device.

Furthermore, the adjustable device of ratchet includes connecting piece and engaging lug board, the connecting piece is installed in the one end that the fixed arm is close to the stand, and is equipped with the picture peg on the connecting piece, and processing has the ratchet on the picture peg, the engaging lug board is installed on the stand, links to each other through the round pin axle between picture peg and the engaging lug board, and processing has the reverse ratchet with ratchet matched with on the engaging lug board.

Furthermore, the connecting ear plate is arranged on the upright post through a fixing ring.

Furthermore, the fixed arm adopts a telescopic structure, a universal joint is arranged on the fixed arm, and the concave mirror is arranged on the fixed arm through the universal joint.

Furthermore, the column is provided with at least two concave mirrors which are distributed at intervals along the circumferential direction of the column.

Furthermore, the Stirling engine is a single-cylinder Stirling engine and comprises a heating chamber, a cooling chamber, a flywheel, a connecting rod and a mounting frame, the heating chamber and the cooling chamber are fixed on the mounting frame, the heating chamber is communicated with the cooling chamber, the flywheel is rotatably mounted on the mounting frame and is rotatably connected with one end of the connecting rod through an eccentric shaft, and the other end of the connecting rod is hinged to a piston in the cooling chamber.

Furthermore, a large belt wheel is rotatably mounted on the mounting frame and is coaxially connected with the flywheel, the eccentric shaft is arranged on the large belt wheel, and the large belt wheel is connected with a small belt wheel on the motor rotating shaft through a belt.

Further, the motor is a 280 motor, and the concave mirrors are hexagonal concave mirrors with coatings on the surfaces.

Furthermore, a base is further installed at the bottom of the upright column, and a support frame capable of being retracted and gathered is arranged on the base.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a portable solar energy stirling generator, through installing the fixed arm bottom at the stand in the rotation from top to bottom, and install the concave mirror on the fixed arm, pass through transmission with the pivot of motor and link to each other with the stirling engine transmission, thereby can utilize solar energy to provide the heat for the stirling engine effectively, drive the motor through the stirling engine and generate electricity, and then can satisfy the cell-phone, small-size electrical equipment such as camera and electric light work electric power demand under emergency, and its simple structure, small, high durability and convenient carrying, high working efficiency, energy saving and environmental protection.

(2) The utility model discloses a portable solar energy stirling generator links to each other through adopting the adjustable device of ratchet between with fixed arm and stand to can guarantee that the fixed arm can not receive the influence of gravity and relocation or pine take off after the installation finishes, make it can upwards rotate suitable position after-fixing, and then guarantee that the concave mirror can focus on the stirling effectively, provide the heat for the stirling.

(3) The utility model discloses a portable solar energy stirling generator is through adopting extending structure with the fixed arm to pass through the concave mirror universal joint and install on the fixed arm, thereby can diversely adjust the concave mirror on the fixed arm, further guaranteed the focus effect of concave mirror on stirling engine.

(4) The utility model discloses a portable solar energy stirling generator is through two at least concave mirrors that are equipped with interval distribution at the stand along its circumferencial direction to can utilize solar energy effectively for the heat supply of stirling engine, strengthen the heating effect of stirling engine, further improve its work efficiency.

(5) The utility model discloses a portable solar energy stirling generator installs the base through the bottom at the stand to be equipped with the support frame that can contract and draw together on the base, thereby can contract at any time or expand the support frame according to the use needs, and its simple structure, use in a flexible way, convenient to carry.

Drawings

Fig. 1 is a schematic structural diagram of a portable solar stirling generator according to the present invention;

fig. 2 is a schematic structural view of the fixing arm of the present invention;

fig. 3 is a schematic structural view of the connecting member of the present invention;

fig. 4 is a schematic structural view of the fixing ring of the present invention;

fig. 5 is a schematic diagram of the stirling engine of the present invention.

In the figure: 1. a Stirling engine; 101. a heating chamber; 102. a cooling chamber; 103. a large belt pulley; 104. a flywheel; 105. an eccentric shaft; 106. a connecting rod; 107. a mounting frame; 2. a motor; 3. a column; 4. a fixing ring; 401. connecting the ear plates; 402. a reverse ratchet; 5. a fixed arm; 6. a connecting member; 601. inserting plates; 602. a ratchet; 603. a universal joint; 7. a concave mirror; 8. a base; 9. a support frame.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

Example 1

As shown in fig. 1, the portable solar stirling generator of the embodiment comprises a stirling engine 1, a motor 2, a stand column 3, a fixing arm 5 and a concave mirror 7, wherein the fixing arm 5 is rotatably mounted at the bottom of the stand column 3 up and down, and the concave mirror 7 is mounted on the fixing arm 5, so that the concave mirror 7 can be focused on the stirling engine 1 by vertically adjusting the fixing arm 5, and heat is provided for the stirling engine 1. The Stirling engine 1 is fixedly installed at the top end of the stand column 3, the motor 2 is installed on the stand column 3, and a rotating shaft of the motor is in transmission connection with the Stirling engine 1 through a transmission device, so that the motor 2 is driven to generate electricity through the Stirling engine 1, the working power requirements of small electrical equipment such as mobile phones, cameras and electric lamps under emergency can be met, the working efficiency is effectively improved, and the Stirling generator of the embodiment is simple in structure, small in size, convenient to carry, energy-saving and environment-friendly.

Example 2

The portable solar stirling generator of the embodiment is basically the same as the embodiment 1 in structure, and the difference is mainly that: the fixed arm 5 is connected with the upright post 3 through a ratchet wheel adjustable device.

Specifically, as shown in fig. 2, fig. 3 and fig. 4, the ratchet wheel adjustable device includes a connecting piece 6 and a connecting ear plate 401, the connecting piece 6 is installed at one end of a fixing arm 5 close to a column 3, and is provided with an inserting plate 601 on the connecting piece 6, a ratchet 602 is processed on the inserting plate 601, the connecting ear plate 401 is installed on a fixing ring 4, the fixing ring 4 is sleeved on the column 3, the inserting plate 601 is connected with the connecting ear plate 401 through a pin shaft, a reverse ratchet 402 matched with the ratchet 602 is processed on the connecting ear plate 401, and by connecting the fixing arm 5 with the column 3 through the ratchet wheel adjustable device, the fixing arm 5 is not influenced by gravity and can not change position or loose after the installation is finished, so that the fixing arm can be fixed after being rotated to a proper position, and further, the concave mirror 7 can be effectively focused on the stirling engine 1 to provide heat for the stirling engine 1, the concave mirror is prevented from shaking along with the fixed arm 5 to influence the focusing effect.

Example 3

The portable solar stirling generator of the embodiment is basically the same as the embodiment 2 in structure, and the difference is mainly that: fixed arm 5 adopts scalable structure, and fixed arm 5 is in the same place by two external member suits, and fixes a position through holding screw between two external members to can adjust the position of concave mirror 7 through the length of adjusting fixed arm 5, make it focus on stirling engine 1. Be equipped with universal joint 603 on fixed arm 5, thereby concave mirror 7 passes through universal joint 603 and installs on fixed arm 5, thereby can adjust concave mirror 7 on fixed arm 5 diversely through setting up universal joint 603, has further guaranteed the focusing effect of concave mirror 7 on stirling engine 1. The stand 3 is equipped with two at least concave mirrors 7 of interval distribution along its circumferencial direction, and concave mirror 7 adopts the hexagon concave mirror that the surface has the coating, and the concave mirror body can use the material that the price is lower, the quality is lighter to make the shape, then covers with the effectual and heat-resisting wear-resisting cladding material of reflection of light (can adopt aluminizing to cover here and handle) in the one side that needs the reflection of light to the cost of manufacture has been practiced thrift. By arranging the concave mirrors 7 on the upright post 3, solar energy can be effectively utilized to supply heat to the Stirling engine 1, the heating effect of the Stirling engine 1 is enhanced, and the working efficiency of the Stirling engine is further improved. Base 8 is still installed to the bottom of stand 3, solid fixed ring 4 is located the top of base 8 to can utilize base 8 to support solid fixed ring 4, prevent solid fixed ring 4 from sliding down or coming off. The base 8 is provided with a support frame 9 which can be contracted and gathered, so that the whole Stirling generator can be supported, and the stability of the Stirling generator is improved. The support frame 9 includes threely, and evenly distributed is at base 8 along its circumferencial direction, and adopts between support frame 9 and the base 8 articulated linking to each other to can contract or expand support frame 9 as required at any time, use in a flexible way, portable.

Example 4

As shown in fig. 1 and 5, the portable solar stirling generator of the present embodiment is basically the same as embodiment 3 in structure, and mainly differs therefrom in that: the Stirling engine 1 is a single-cylinder Stirling engine and comprises a heating chamber 101, a cooling chamber 102, a flywheel 104, a connecting rod 106 and a mounting frame 107, wherein the heating chamber 101 and the cooling chamber 102 are fixed on the mounting frame 107, the heating chamber 101 is communicated with the cooling chamber 102, the flywheel 104 is rotatably mounted on the mounting frame 107 and is rotatably connected with one end of the connecting rod 106 through an eccentric shaft 105, and the other end of the connecting rod 106 is hinged with a piston in the cooling chamber 102.

Specifically, rotatable big band pulley 103 of installing on the mounting bracket 107, and big band pulley 103 and flywheel 104 adopt same root shaft to link to each other and be located the both sides of mounting bracket 107 respectively, eccentric shaft 105 is established at big band pulley 103, and big band pulley 103 links to each other through the belt with the epaxial little band pulley of motor 2 commentaries on classics, links to each other through belt drive between Stirling engine 1 and the motor 2 to can utilize Stirling engine 1 to drive the rotatory electricity generation of pivot of motor 2. The motor 2 is a 280 motor, and the motor 2 is mounted on the pillar 3 by being fixed to the mounting bracket 107.

When the present embodiment is used, solar energy is used as an energy source, light rays of the solar energy are focused on the heating chamber 101 of the stirling engine 1 by adjusting the fixing arm 5 and the concave mirror 7 to heat the heating chamber 101, and when the heating chamber 101 is heated to a certain temperature, the flywheel 104 is rotated to drive the large pulley 103 to initially rotate. Because the gas in the heating chamber 101 is heated and expanded, the piston in the cooling chamber 102 can move outwards, and after the gas in the cooling chamber 102 is cooled, the piston in the cooling chamber 102 can move inwards, so that the connecting rod 106 can drive the large belt pulley 103 to rotate all the time, the large belt pulley 103 can drive the small belt pulley on the rotating shaft of the motor 2 to rotate, and the rotating shaft of the motor 2 is driven to rotate all the time, and power generation is realized.

Claims

1. A portable solar Stirling generator, comprising: including stirling (1), motor (2), stand (3), fixed arm (5) and concave mirror (7), fixed arm (5) can be rotated from top to bottom and install in the bottom of stand (3), installs concave mirror (7) on fixed arm (5), stirling (1) fixed mounting is on the top of stand (3), motor (2) are installed on stand (3), and its pivot passes through transmission and stirling (1) transmission links to each other.

2. A portable solar stirling generator in accordance with claim 1 wherein: the fixed arm (5) is connected with the upright post (3) through a ratchet wheel adjustable device.

3. A portable solar stirling generator in accordance with claim 2 wherein: the adjustable device of ratchet includes connecting piece (6) and engaging lug board (401), connecting piece (6) are installed in the one end that fixed arm (5) are close to stand (3), and are equipped with picture peg (601) on connecting piece (6), and processing has ratchet (602) on picture peg (601), install on stand (3) connecting lug board (401), link to each other through the round pin axle between picture peg (601) and engaging lug board (401), and processing has reverse ratchet (402) with ratchet (602) matched with on connecting lug board (401).

4. A portable solar stirling generator in accordance with claim 3, wherein: the connecting ear plate (401) is arranged on the upright post (3) through a fixing ring (4).

5. A portable solar Stirling generator according to any one of claims 1 to 4, wherein: fixed arm (5) adopt extending structure, and be equipped with universal joint (603) on it, concave mirror (7) are installed on fixed arm (5) through universal joint (603).

6. A portable solar Stirling generator according to any one of claims 1 to 4, wherein: the upright post (3) is provided with at least two concave mirrors (7) which are distributed at intervals along the circumferential direction.

7. A portable solar Stirling generator according to any one of claims 1 to 4, wherein: the Stirling engine (1) is a single-cylinder Stirling engine and comprises a heating chamber (101), a cooling chamber (102), a flywheel (104), a connecting rod (106) and a mounting frame (107), wherein the heating chamber (101) and the cooling chamber (102) are fixed on the mounting frame (107), the heating chamber (101) is communicated with the cooling chamber (102), the flywheel (104) is rotatably installed on the mounting frame (107) and is rotatably connected with one end of the connecting rod (106) through an eccentric shaft (105), and the other end of the connecting rod (106) is hinged to a piston in the cooling chamber (102).

8. A portable solar stirling generator in accordance with claim 7, wherein: the large belt wheel (103) is rotatably mounted on the mounting frame (107), the large belt wheel (103) is coaxially connected with the flywheel (104), the eccentric shaft (105) is arranged on the large belt wheel (103), and the large belt wheel (103) is connected with the small belt wheel on the rotating shaft of the motor (2) through a belt.

9. A portable solar Stirling generator according to any one of claims 1 to 4, wherein: the motor (2) is a 280 motor, and the concave mirror (7) is a hexagonal concave mirror with a coating on the surface.

10. A portable solar Stirling generator according to any one of claims 1 to 4, wherein: the base (8) is further installed at the bottom of the upright column (3), and a support frame (9) capable of being contracted and gathered is arranged on the base (8).