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CN-121229419-B - High-speed compressor

CN121229419BCN 121229419 BCN121229419 BCN 121229419BCN-121229419-B

Abstract

The invention discloses a high-speed compressor, which comprises a high-speed compressor bracket and a protective shell, wherein the side surface of the high-speed compressor bracket is fixedly connected with the protective shell, the high-speed compressor bracket and the side surface of the protective shell are enclosed to form a driving space, the upper part of the side surface of the protective shell is penetrated and provided with a regulating and controlling component, the regulating and controlling component penetrates through the protective shell and extends into the driving space, one side of the regulating and controlling component, which is close to the high-speed compressor bracket, is provided with an inlet casing component, an inlet diversion section is an important part of an air inlet of a centrifugal compressor, the main function of the inlet diversion section is to keep the air flow entering the compressor stable and reduce the turbulence of the air flow, in the traditional design, the caliber of an air inlet pipe is usually larger, the air flow is easy to generate turbulence when entering from the atmosphere, and the impeller performance is influenced.

Inventors

  • ZHANG JUN
  • ZHANG ZICHENG
  • LI SHIYANG

Assignees

  • 杭州智新机电设计有限公司

Dates

Publication Date
20260505
Application Date
20251127

Claims (7)

  1. 1. The high-speed compressor comprises a high-speed compressor support (1) and a protective shell (2), and is characterized in that the side surface of the high-speed compressor support (1) is fixedly connected with the protective shell (2), and the high-speed compressor support (1) and the side surface of the protective shell (2) are enclosed to form a driving space (3); The upper part of the side surface of the protective shell (2) is penetrated with a regulating and controlling component (4), and the regulating and controlling component (4) partially penetrates through the protective shell (2) and extends into the driving space (3); An inlet casing component (5) is arranged on one side, close to the high-speed compressor bracket (1), of the regulating component (4), and the inlet casing component (5) is rotationally connected with the regulating component (4) and is positioned in the driving space (3); The protection shell (2) comprises a high-speed compressor volute (21), the side face of the high-speed compressor volute (21) is connected with the side face of the high-speed compressor bracket (1), an impeller front cover protection (22) is arranged on one side, far away from the high-speed compressor bracket (1), of the high-speed compressor volute (21), the impeller front cover protection (22) and the high-speed compressor bracket (1) are assembled and then are enclosed on the side face to form a driving space (3), and the upper part of the side wall, far away from the high-speed compressor volute (21), of the impeller front cover protection (22) is penetrated by a regulating and controlling component (4); The regulating and controlling assembly (4) comprises a nut (41), the nut (41) is fixedly connected with the upper portion of the side wall of the impeller front cover protection (22), a screw (42) is sleeved on the nut (41), the nut (41) is in threaded connection with the screw (42), and the screw (42) penetrates through the impeller front cover protection (22) and is in rotary connection with the inlet casing assembly (5).
  2. 2. A high-speed compressor as claimed in claim 1, wherein the side wall of the inlet casing assembly (5) is provided with a plurality of groups of limiting rods (51), one ends of the limiting rods (51) are fixedly connected with the inlet casing assembly (5), and the other ends penetrate through the impeller front cover protection (22) and are in sliding fit, so that the rotation deflection of the inlet casing assembly (5) is limited.
  3. 3. A high-speed compressor according to claim 2, characterized in that the inlet casing assembly (5) comprises an inlet casing (52), the inlet casing (52) is arranged in a horn shape, and the side walls of the inlet casing (52) are connected with a plurality of groups of limit bars (51).
  4. 4. A high-speed compressor according to claim 3, wherein the upper part of the side wall of the inlet casing (52) is rotatably connected to the screw (42).
  5. 5. A high-speed compressor according to claim 3, wherein the inlet casing (52) is provided with an inlet guide section (53), and the inlet guide section (53) is respectively communicated with the air inlet pipe (23) and the driving space (3).
  6. 6. The high-speed compressor as set forth in claim 5, wherein a splitter frame (54) is disposed in the inlet guide section (53), a plurality of groups of flow separation plates (55) are obliquely installed between the splitter frame (54) and the inlet casing (52), flow homogenization cavities (57) are disposed between two adjacent groups of flow separation plates (55), and the flow homogenization cavities (57) are communicated with the inlet guide section (53).
  7. 7. A high-speed compressor according to claim 6, wherein a diversion cavity (56) is arranged in the diversion frame (54), the diversion cavity (56) is communicated with the inlet diversion section (53), and the inlet diversion section (53) of the inlet casing assembly (5) is aligned with the air inlet pipe (23).

Description

High-speed compressor Technical Field The invention relates to the field of compressors, in particular to a high-speed compressor. Background In the current market demand, with the continuous improvement of energy efficiency, operation stability and environmental protection requirements of industrial production, the structural optimization of the centrifugal compressor is about to improve performance and reduce energy consumption and noise. On the one hand, with the continuous expansion of industrial scale and the continuous improvement of the performance requirement of the fan, the air quantity, the air pressure and the efficiency of the fan are further improved through structural optimization, and the requirement of large industrial projects on ventilation is a necessary trend. On the other hand, under the large background of environmental protection and energy saving, the structure is optimized to reduce the running energy consumption of the fan, reduce the influence on the environment, and be helpful for the fan to occupy the dominant place in the market competition. In addition, different application scenes have specific requirements on the fan structure, such as special environments of ships, mines and the like, and the fan is required to be compact in structure and high in reliability, so that development of structural designs adapting to various scenes has broad prospects. The typical structure of the current centrifugal compressor consists of a centrifugal impeller, a volute, an air inlet and a high-speed driving motor. The pneumatic efficiency of the control compressor mainly has three points, namely the blade shape of the centrifugal impeller, the inlet flow state and the gap between the impeller and the front cover. Aiming at the points, in the conventional design, the blade profile design of the centrifugal fan can achieve extremely high efficiency, the lifting difficulty is very high, the inlet of the centrifugal fan is directly connected with the air inlet, the flow state of the inlet of the centrifugal fan cannot be controlled, the gap between the impeller and the front cover is influenced by the processing level, and the process requirement is greatly improved when the gap is reduced by one point, so that the mass production difficulty is greatly improved. Disclosure of Invention The invention aims to provide a high-speed compressor so as to solve the problem that the inlet flow state of a centrifugal fan cannot be controlled in the prior art. In order to achieve the above purpose, the present invention provides the following technical solutions: The utility model provides a high-speed compressor, includes high-speed compressor support and protective housing, high-speed compressor support side and protective housing fixed connection, high-speed compressor support encloses with the protective housing side and closes and form the drive space, protective housing side upper portion runs through and is equipped with the regulation and control subassembly, regulation and control subassembly part runs through the protective housing and extends to in the drive space, one side that the regulation and control subassembly is close to high-speed compressor support is equipped with the entry receiver subassembly, and the entry receiver subassembly rotates with the regulation and control subassembly to be connected and be located the drive space. Preferably, the protective housing comprises a high-speed compressor volute, the side face of the high-speed compressor volute is connected with the side face of the high-speed compressor bracket, an impeller front cover protection is arranged on one side, far away from the high-speed compressor bracket, of the high-speed compressor volute, the impeller front cover protection and the high-speed compressor bracket are assembled to form a driving space in a surrounding mode on the side face, an air inlet pipe is arranged on one side, far away from the high-speed compressor volute, of the impeller front cover protection, and the upper portion of the side wall, far away from the high-speed compressor volute, of the impeller front cover protection is penetrated by a regulating and controlling component. Preferably, the upper surface of the high-speed compressor support is provided with a driving assembly, the driving assembly is partially inserted into the driving space and comprises a driving motor and a centrifugal impeller, the driving end of the driving motor is connected with the centrifugal impeller through a fastening bolt, and the centrifugal impeller is used for circulating air flow in the driving space. Preferably, the regulating and controlling assembly comprises a nut, the nut is fixedly connected with the upper part of the side wall protected by the impeller front cover, a screw is sleeved on the nut, the nut is in threaded connection with the screw, and the screw penetrates through the impeller front cover to be protected and is in rotary connection wit