Centrifugal radial turbine

Abstract

The centrifugal radial turbine comprises a shell, one end of the shell is open, and a shaft is fixed to the axis of the shell; the device further comprises a guide assembly. The guiding assembly is composed of a guiding piece and a rebounding piece, one end of the guiding piece is rotationally arranged on the inner wall of one end of the shell, the rebounding piece is arranged between the guiding piece and the shell, and the rebounding piece ejects the guiding piece towards the outer portion of the opening of the shell; the guide piece comprises an air guide plate, the air guide plate is provided with two inclined parts, namely an air inlet part and an air blocking part, and the gradient of the air blocking part is smaller than that of the air inlet part; through the designed guide assembly, when working medium gas enters the shell, the blowing-in force of the gas part can be converted into the function of rotating the shell, the utilization of the working medium gas is maximized, the turbine efficiency is improved, and the guide assembly is simple in structure, convenient to disassemble and assemble and high in overall flexibility; the defects of an existing structure in use are overcome.

Description

Technical Field

[0001] The invention belongs to the technical field of turbines, and in particular relates to a centrifugal radial turbine. Background Art

[0002] Centrifugal turbines are newly developed small and medium-sized thermal generators, commonly used for waste heat power generation, geothermal power generation, solar power generation, etc. Centrifugal turbines have a simple structure and three-dimensional flow blades, which can enable the unit design to achieve higher efficiency at the optimal speed ratio and reaction degree.

[0003] Publication No. CN106761943A discloses a centrifugal radial turbine with a blade tip bearing. The patent adopts a blade tip bearing structure formed by a shroud, a sliding groove, a bearing bush or a rolling body, which can support the moving blades while making the moving blade disk stable. However, it does not disclose how to improve the efficiency of the working gas driving the casing to rotate, so there is room for improvement. Summary of the invention

[0004] The object of the present invention is to provide a centrifugal radial turbine to solve the problem in the above background technology that the existing radial turbine does not have the function of improving the efficiency of driving the shell to rotate by the working gas.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a centrifugal radial turbine, comprising a shell, one end of which is open and a shaft is fixed at its axis; and also comprising a guide assembly; the guide assembly is composed of a guide member and a rebound member, wherein one end of the guide member is rotatably arranged at the inner wall of one end of the shell, and the rebound member is arranged between the guide member and the shell, and the rebound member pushes the guide member out toward the outside of the shell opening, and in the incoming air, it can first contact the working gas through the guide member and drive the guide member to rotate, and after the guide member rotates, it will synchronously drive the shell to rotate, and during the rotation process, the rebound member always pushes the guide member out in the opposite direction of the working gas blowing in, so as to realize the later position recovery of the guide member, and can The angle of the guide member is adjusted according to the blowing intensity of the working fluid gas to guide the blown working fluid gas into the interior of the shell; the guide member includes an air guide plate, which has two inclined parts, namely an air inlet part and a wind shield part, the inclination of the wind shield part is smaller than that of the air inlet part, and the air inlet part is arranged toward the interior of the shell. In use, the wind shield part can guide the wind force and drive the entire air guide plate to rotate, and under the pressing action of the rebound member, drive the rotation of the entire shell, and the air inlet part can guide the working fluid gas to the interior of the shell to realize subsequent operations on the working fluid gas; the rebound member includes a spring connected to the wind shield part, and a fixed plate fixed to the inner wall of the shell, the fixed plate is pressed against the spring to rebound and press the air guide plate tightly.

[0006] Preferably, a placement groove is provided on the side of the fixing plate facing the spring, and a pressure sensor is placed inside the placement groove. The pressure sensor is against the spring. Through the setting of the pressure sensor, the extrusion force generated when the spring is compressed can be detected, thereby judging the degree of conversion of the working fluid gas by the air guide plate.

[0007] Preferably, a hole is opened at the end of the wind shielding portion, a rotating shaft is inserted into the hole, the bottom end of the rotating shaft is inserted into one end of the shell, and the wind guide plate rotates around the rotating shaft.

[0008] Preferably, it also includes a support, a workbench is installed on the top of the support, a working machine is installed on the top of the workbench, the working machine is fixedly connected to the shaft at the axis center of the shell, and the working machine is driven to rotate by the rotation of the shell. For the specific working principle, please refer to the announcement number.

[0009] Preferably, a rotatable ball is provided on the top of the workbench, and the ball is rollingly connected to the shaft of the shell, thereby achieving auxiliary support for the shell.

[0010] Preferably, a support plate is fixed to one end of the support, an arc groove is provided at the top end of the support plate, and one end of the shell is externally arranged in the arc groove, thereby supporting the shell.

[0011] Preferably, the inner wall of the arc groove is provided with holes at equal angles, and a rotatable rolling column is inserted into each hole. The rolling column is connected to the outside of one end of the shell in a rolling manner, so as to achieve the purpose of support and auxiliary rolling.

[0012] Preferably, an arc hole penetrating all the insertion holes is opened on the top of the support plate, and lubricating oil is injected through the arc hole to achieve lubrication of the rolling column.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] Through the designed guide assembly, when the working gas enters the shell, the force of part of the gas blowing in can be converted into the function of rotating the shell itself, thereby maximizing the utilization of the working gas and improving the turbine efficiency. In addition, the guide assembly has a simple structure, is easy to disassemble and assemble, has high overall flexibility, and improves the shortcomings of the existing structure in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention;

[0016] Figure 2 For the present invention Figure 1 A magnified schematic diagram of the middle A area;

[0017] Figure 3 is a side view of the present invention;

[0018] Figure 4 It is a schematic diagram of the connection between the support and the support plate of the present invention;

[0019] Figure 5 For the present invention Figure 4 A magnified schematic diagram of area B.

[0020] In the figure:

[0021] 100. Shell;

[0022] 200, wind guide plate; 200a, air inlet; 200b, wind shield; 201, fixing plate; 202, rotating shaft; 203, spring; 204, pressure sensor; 205, placement slot;

[0023] 300, support; 301, support plate; 302, work table; 303, working machine; 304, ball bearing; 305, rolling column; 306, arc groove; 307, socket; 308, arc hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figures 1 to 5 The present invention provides a technical solution: a centrifugal radial turbine, comprising

[0026] The housing 100 has an open end and a shaft fixed at its axis;

[0027] Also includes

[0028] The guide assembly is composed of a guide member and a rebound member, wherein

[0029] One end of the guide is rotatably arranged at the inner wall of one end of the shell 100, and the rebound member is arranged between the guide and the shell 100, and the rebound member pushes the guide toward the direction of the outer opening of the shell 100. When the wind enters, it can first contact the working gas through the guide and drive the guide to rotate. After the guide rotates, it will synchronously drive the shell 100 to rotate. During the rotation process, the rebound member always pushes the guide in the opposite direction of the working gas blowing in, so as to realize the position recovery of the guide in the later stage, and the angle of the guide can be adjusted according to the blowing intensity of the working gas, so as to guide the blown working gas into the interior of the shell 100;

[0030] The guide member includes an air guide plate 200, and the air guide plate 200 has two inclined parts, namely, an air inlet part 200a and a wind shield part 200b. The inclination of the wind shield part 200b is smaller than that of the air inlet part 200a. The air inlet part 200a is arranged toward the inner direction of the housing 100. In use, the wind shield part 200b can guide the wind force and drive the entire air guide plate 200 to rotate, and under the tight action of the rebound member, drive the rotation of the entire housing 100, and the air inlet part 200a can guide the working gas to the interior of the housing 100 to realize the subsequent operation of the working gas.

[0031] The rebound member includes a spring 203 connected to the wind shielding portion 200 b and a fixing plate 201 fixed to the inner wall of the housing 100 . The fixing plate 201 abuts against the spring 203 , thereby rebounding and tightening the wind guide plate 200 .

[0032] In this embodiment, preferably, a placement groove 205 is opened on the side of the fixed plate 201 facing the spring 203, and a pressure sensor 204 is placed inside the placement groove 205. The pressure sensor 204 is against the spring 203. Through the setting of the pressure sensor 204, the extrusion force generated when the spring 203 is compressed can be detected, thereby judging the degree of conversion of the working fluid gas by the air guide plate 200.

[0033] In this embodiment, preferably, a hole is opened at the end of the wind shield 200 b , a rotating shaft 202 is inserted into the hole, a bottom end of the rotating shaft 202 is inserted into one end of the shell 100 , and the wind guide plate 200 rotates around the rotating shaft 202 .

[0034] In this embodiment, preferably, it also includes a support 300, a workbench 302 is installed on the top of the support 300, a working machine 303 is installed on the top of the workbench 302, the working machine 303 is fixedly connected to the shaft at the axis center of the shell 100, and the working machine 303 is driven to rotate by the rotation of the shell 100. For the specific working principle, please refer to the announcement number CN106761943A.

[0035] In this embodiment, preferably, a rotatable ball 304 is provided on the top of the workbench 302 , and the ball 304 is rollingly connected to the shaft of the shell 100 , thereby realizing auxiliary support for the shell 100 .

[0036] In this embodiment, preferably, a support plate 301 is fixed to one end of the support 300 , an arc groove 306 is provided at the top of the support plate 301 , and one end of the shell 100 is externally arranged in the arc groove 306 , thereby supporting the shell 100 .

[0037] In this embodiment, preferably, the inner wall of the arc groove 306 is provided with insertion holes 307 at equal angles, and a rotatable rolling column 305 is inserted into each insertion hole 307. The rolling column 305 is connected to the outside of one end of the shell 100 in a rolling manner, so as to achieve the purpose of support and auxiliary rolling.

[0038] In this embodiment, preferably, an arc hole 308 penetrating all the insertion holes 307 is opened on the top of the support plate 301 , and lubricating oil is injected through the arc hole 308 to achieve lubrication of the rolling column 305 .

[0039] Although embodiments of the present invention have been shown and described (see the above detailed description for details), it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A centrifugal radial turbine, comprising: The housing (100) has an open end and a shaft fixed at its axis; Features: Also includes The guide assembly is composed of a guide member and a rebound member, wherein One end of the guide is rotatably arranged on the inner wall of one end of the housing (100), and the rebound member is arranged between the guide and the housing (100), and the rebound member pushes the guide toward the outside of the opening of the housing (100); The guide member comprises an air guide plate (200), the air guide plate (200) having two inclined portions, namely an air inlet portion (200a) and a wind shield portion (200b), the wind shield portion (200b) having an inclination smaller than that of the air inlet portion (200a), and the air inlet portion (200a) being arranged toward the interior of the housing (100); The resilient member comprises a spring (203) connected to the wind shield (200b), and a fixing plate (201) fixed to the inner wall of the housing (100), wherein the fixing plate (201) abuts against the spring (203).

2. A centrifugal radial turbine according to claim 1, characterized in that: A placement groove (205) is provided on the side of the fixing plate (201) facing the spring (203), a pressure sensor (204) is placed inside the placement groove (205), and the pressure sensor (204) abuts against the spring (203).

3. A centrifugal radial turbine according to claim 1, characterized in that: A hole is provided at the end of the wind shield (200b), a rotating shaft (202) is inserted into the hole, the bottom end of the rotating shaft (202) is inserted into one end of the shell (100), and the wind guide plate (200) rotates around the rotating shaft (202).

4. A centrifugal radial turbine according to claim 1, characterized in that: It also includes a support (300), a workbench (302) is installed on the top of the support (300), a working machine (303) is installed on the top of the working table (302), and the working machine (303) is fixedly connected to the shaft at the axis center of the shell (100).

5. A centrifugal radial turbine according to claim 4, characterized in that: A rotatable ball bearing (304) is disposed on the top of the workbench (302), and the ball bearing (304) is rollingly connected to the shaft of the housing (100).

6. A centrifugal radial turbine according to claim 5, characterized in that: A support plate (301) is fixed to one end of the support seat (300), an arc groove (306) is provided at the top end of the support plate (301), and one end of the housing (100) is externally arranged in the arc groove (306).

7. A centrifugal radial turbine according to claim 6, characterized in that: The inner wall of the arc groove (306) is provided with insertion holes (307) at equal angles, and a rotatable rolling column (305) is inserted into each insertion hole (307). The rolling column (305) is connected to the outside of one end of the housing (100) in a rolling manner.

8. A centrifugal radial turbine according to claim 7, characterized in that: The top of the support plate (301) is provided with an arc hole (308) that passes through all the insertion holes (307).

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