CN213150100U

CN213150100U - Multi-cylinder swash plate Stirling engine model

Info

Publication number: CN213150100U
Application number: CN202022068267.8U
Authority: CN
Inventors: 叶东阳; 叶晓明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-05-07
Anticipated expiration: 2030-09-21

Abstract

The utility model relates to the technical field of engines, in particular to a multi-cylinder swash plate Stirling engine model, which comprises a base, a bracket arranged on the base and an engine arranged on the bracket, wherein one end of the bracket is fixed on the base through a screw, and the other end of the bracket is connected with the engine through a damping plate; the engine comprises a hot cylinder, a cold cylinder and blades, wherein a first piston is arranged in the hot cylinder, a second piston is arranged in the cold cylinder, a matched linkage mechanism is arranged on the first piston and the second piston, the cold cylinder and the hot cylinder are connected through an exchange air pipe, and a gas joint and a fire barrier are arranged at the bottom of the hot cylinder. The utility model relates to a multi-cylinder sloping cam plate stirling engine model converts thermal energy into mechanical energy, converts mechanical energy into electric energy again, has realized the interconversion of heat energy, mechanical energy and electric energy, through the utility model discloses a demonstration, this transformation process that can audio-visual seeing out.

Description

Multi-cylinder swash plate Stirling engine model

Technical Field

The utility model relates to the technical field of engines, in particular to multi-cylinder sloping cam plate stirling engine model.

Background

The Stirling Engine (Stirling Engine) is an externally heated closed cycle piston Engine. In this type of machine, a working medium (typically hydrogen, helium or air) is enclosed in a circulation loop, and the flow direction of the working medium in the closed circulation loop is controlled by the variation ratio of the cylinder volume; working fluid is compressed at a lower temperature and pressure and expanded at a higher temperature and pressure to obtain positive cycle work. The thermodynamic process is carried out according to the stirling cycle.

Stirling engine is the key point of mechanical profession teaching and demonstration, but in current teaching, generally through there being no physical explanation, the student can not be fine understanding Stirling engine's working process, also can not actually operate, and some Stirling engine's teaching model, general design is comparatively crude, only includes the essential element, this kind has the operation danger in the demonstration process. The invention provides a multi-cylinder swash plate Stirling engine model which can show typical structural features of a Stirling engine, is convenient to demonstrate, simple in structure and safe to operate, and is a high-quality teaching model and a high-quality demonstration model.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned among the prior art not enough, the utility model provides a multi-cylinder sloping cam plate stirling engine model, its simple structure, convenient popularization.

A multi-cylinder swash plate Stirling engine model comprises a base, a support arranged on the base and an engine mounted on the support, wherein the support is of a U-shaped structure, one end of the support is fixed on the base through a screw, and the other end of the support is connected to the engine through a damping plate;

the engine includes hot jar, cold jar and paddle, be equipped with the first piston of making linear motion in the hot jar, be equipped with the second piston in the cold jar, first piston with be equipped with assorted link gear on the second piston, the cold jar with be equipped with first master, second master, third master and fourth master between the hot jar in proper order, the cold jar with connect through the exchange trachea between the hot jar, trachea seat sealing connection is passed through to exchange tracheal junction, the paddle by first piston with the second piston drives, the bottom of hot jar is equipped with gas joint and fire-proof bars, gas joint is used for connecting outside fuel, fire-proof bars are used for keeping apart open fire.

Preferably, the damping plate is a rubber support plate.

Preferably, a gasket is arranged between the bracket and the base.

Preferably, the hot cylinder comprises eight heating pipes, the cold cylinder comprises eight cooling pipes, and the eight gas exchange pipes are respectively communicated with the heating pipes and the cooling pipes.

Preferably, the linkage mechanism is in transmission connection with the first piston and the second piston respectively, and drives the first piston and the second piston to reciprocate in the hot cylinder and the cold cylinder respectively.

Preferably, the hot cylinder and the cold cylinder are externally provided with an outer cover and a tail cover, respectively.

The utility model has the advantages that:

1) the utility model relates to a multi-cylinder sloping cam plate stirling engine model converts heat energy into mechanical energy, converts mechanical energy into electric energy again, has realized the interconversion of heat energy, mechanical energy and electric energy, through the utility model discloses a demonstration, this conversion process that can be directly perceived;

2) the fuel of the Stirling engine is combusted in the hot cylinder, and the fire barrier is arranged, so that scalding caused by mistaken touch is avoided, and the Stirling engine is safer in the teaching or display process;

3) the utility model discloses structurally compact, it is fixed through base and support, the structure is succinct, and it is convenient to remove or carry.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

fig. 2 is a schematic view of the structure of the present invention;

1-base, 2-support, 21-damping plate, 22-gasket, 3-hot cylinder, 31-first main disc, 32-second main disc, 33-third main disc, 34-fourth main disc, 4-cold cylinder, 5-paddle, 6-linkage mechanism, 7-exchange air pipe and 71-air pipe seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention easier to be clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in the attached drawing, the multi-cylinder swash plate Stirling engine model comprises a base 1, a support 2 arranged on the base 1 and an engine arranged on the support 2, wherein the support 2 is in a U-shaped structure, one end of the support 2 is fixed on the base 1 through a screw, and the other end of the support 2 is connected to the engine through a damping plate 21;

the engine comprises a hot cylinder 3, a cold cylinder 4 and a paddle 5, wherein a first piston which moves linearly is arranged in the hot cylinder 3, a second piston is arranged in the cold cylinder 4, a linkage mechanism 6 which is matched with the first piston and the second piston is arranged on the first piston and the second piston, a first main disc 31, a second main disc 32, a third main disc 33 and a fourth main disc 34 are sequentially arranged between the cold cylinder 4 and the hot cylinder 3, the cold cylinder 4 and the hot cylinder 3 are connected through an exchange air pipe 7, the connection part of the exchange air pipe 7 is hermetically connected through an air pipe seat 71, the paddle 5 is driven by the first piston and the second piston, a gas joint and a fire barrier are arranged at the bottom of the hot cylinder 3, the gas joint is used for connecting external fuel, and the fire barrier is used for isolating open fire.

In this embodiment, the damping plate 21 is a rubber support plate, and the damping plate 21 can reduce the vibration of the machine when the machine does work.

In this embodiment, a gasket 22 is disposed between the bracket 2 and the base 1, so that the fixing is firmer.

In this embodiment, the hot cylinder 3 includes eight heating pipes, the cold cylinder 4 includes eight cooling pipes, and the number of the exchanging air pipes 7 is eight, and the eight exchanging air pipes are respectively communicated with the heating pipes and the cooling pipes.

In this embodiment, the linkage mechanism 6 is in transmission connection with the first piston and the second piston, and the linkage mechanism drives the first piston and the second piston to reciprocate in the hot cylinder 3 and the cold cylinder 4, respectively.

In this embodiment, the outer portions of the hot cylinder 3 and the cold cylinder 4 are respectively provided with an outer cover and a tail cover, which can reduce noise and protect internal equipment.

The working principle is as follows:

when teaching was used or was demonstrateed, with the external gas pipe of the gas joint of 3 bottoms on the jar that heats, ignite the gas, stir paddle 5, give a primary power, paddle 5 can continuously rotate this moment, carries out gaseous interaction in 3 and the cold jar 4 on the jar that heats, and the machine normally works. According to the principle of thermal expansion and cold contraction, the gas in the hot cylinder 3 is heated to expand and enter the cold cylinder 4 and push the first piston to move, the gas in the cold cylinder 4 contracts when being cooled to enable the second piston to retract, meanwhile, the gas returns to the first piston again to be heated under the action of the second piston, and the gas is repeatedly expanded and contracted, so that mechanical reciprocating motion is obtained;

the utility model relates to a multi-cylinder sloping cam plate stirling engine model converts heat energy into mechanical energy, converts mechanical energy into electric energy again, has realized the interconversion of heat energy, mechanical energy and electric energy, through the utility model discloses a demonstration, this conversion process that can be directly perceived; the fuel of the Stirling engine is combusted in the hot cylinder, and the fire barrier is arranged, so that scalding caused by mistaken touch is avoided, and the Stirling engine is safer in the teaching or display process; the utility model discloses structurally compact, it is fixed through base and support, the structure is succinct, and it is convenient to remove or carry.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A multi-cylinder swash plate Stirling engine model is characterized by comprising a base (1), a support (2) arranged on the base (1) and an engine installed on the support (2), wherein the support (2) is of a U-shaped structure, one end of the support (2) is fixed on the base (1) through a screw, and the other end of the support (2) is connected to the engine through a damping plate (21);

the engine comprises a hot cylinder (3), a cold cylinder (4) and a paddle (5), a first piston which moves linearly is arranged in the hot cylinder (3), a second piston is arranged in the cold cylinder (4), a matched linkage mechanism (6) is arranged on the first piston and the second piston, a first main disc (31), a second main disc (32), a third main disc (33) and a fourth main disc (34) are sequentially arranged between the cold cylinder (4) and the hot cylinder (3), the cold cylinder (4) and the hot cylinder (3) are connected through an exchange air pipe (7), the connection part of the exchange air pipe (7) is hermetically connected through an air pipe seat (71), the paddle (5) is driven by the first piston and the second piston, a gas joint and a fire barrier are arranged at the bottom of the hot cylinder (3), and the gas joint is used for connecting external fuel, the fire barrier is used for isolating open fire.

2. A multi-cylinder swash plate stirling engine model according to claim 1 wherein: the damping plate (21) is a rubber supporting plate.

3. A multi-cylinder swash plate stirling engine model according to claim 1 wherein: a gasket (22) is arranged between the support (2) and the base (1).

4. A multi-cylinder swash plate stirling engine model according to claim 1 wherein: the hot cylinder (3) comprises eight heating pipes, the cold cylinder (4) comprises eight cooling pipes, and eight exchange air pipes (7) are respectively communicated with the heating pipes and the cooling pipes.

5. A multi-cylinder swash plate stirling engine model according to claim 1 wherein: the linkage mechanism (6) is in transmission connection with the first piston and the second piston respectively, and the linkage mechanism (6) drives the first piston and the second piston to move in the hot cylinder (3) and the cold cylinder (4) in a reciprocating mode respectively.

6. A multi-cylinder swash plate stirling engine model according to claim 1 wherein: and an outer cover and a tail cover are respectively arranged outside the hot cylinder (3) and the cold cylinder (4).