A compressor intake pressure stabilizing device

Abstract

This application relates to a compressor intake pressure stabilizing device, including a compressor with an intake port; characterized in that the compressor intake pressure stabilizing device further includes an intake pipe, a regulating component, a venturi tube, a first flow monitor, a second flow monitor, and a central control module; the outlet end of the intake pipe is connected to the intake port; the regulating component is disposed on the intake pipe and located at the intake port; the regulating component has a degree of freedom to move radially along the intake pipe for opening and closing the intake port; the venturi tube is coaxially disposed within the intake pipe; the first flow monitor is disposed at the intake end of the intake pipe; the second flow monitor is disposed between the regulating component and the intake port; the central control module is electrically connected to the power sources of the first flow monitor, the second flow monitor, and the regulating component respectively; this application has the technical effect of automatically adjusting the air pressure before entering the compressor and improving the service life of the compressor.

Description

Technical Field

[0001] This application relates to the technical field of compressor pressure stabilizing devices, and in particular to a compressor intake pressure stabilizing device. Background Technology

[0002] A compressor is a mechanical device that compresses gas to increase its pressure. It converts mechanical energy into pressure energy of the gas by reducing the volume of the gas or increasing the kinetic energy of the gas molecules.

[0003] During compressor operation, intake stability plays a decisive role in its performance and service life. The gases entering the compressor are diverse, and external factors such as temperature and humidity can affect the stability of compressor operation. When humid gas enters the compressor, a drainage and gas sampling process is required to remove the moisture. When used in areas with large temperature differences between day and night, the water discharged from the humid gas can easily freeze and clog the drainage equipment, leading to frequent switching of the equipment and a sudden increase in pressure inside the compressor. If this is not adjusted in time, the compressor unit will alarm and shut down due to excessively high instantaneous intake pressure, directly affecting the plant's production output.

[0004] Currently, every time the equipment is switched on or off, the site maintenance personnel need to manually control the intake pressure of the compressor unit to ensure its safe and stable operation. This operation is not only frequent but also lasts for a long time.

[0005] Regarding the aforementioned technologies, the inventors believe that adjusting the air pressure at the compressor's inlet is time-consuming and labor-intensive. Summary of the Invention

[0006] To address the aforementioned technical problems, this application provides a compressor intake pressure stabilizing device.

[0007] This application provides a compressor intake pressure stabilizing device, which adopts the following technical solution:

[0008] A compressor intake pressure stabilizing device includes a compressor having an intake port; the compressor intake pressure stabilizing device further includes:

[0009] An air intake pipe, wherein the air outlet of the air intake pipe is connected to the air inlet;

[0010] A control component is disposed on the air intake pipe and located at the air intake port; the control component has a degree of freedom to move radially along the air intake pipe for opening and closing the air intake port;

[0011] The venturi tube is coaxially mounted inside the intake pipe;

[0012] A first flow monitor is installed at the air inlet end of the air inlet pipe;

[0013] A second flow monitor is disposed between the control component and the air inlet;

[0014] The central control module is electrically connected to the power sources of the first flow monitor, the second flow monitor, and the control component, respectively.

[0015] By adopting the above technical solution, a Venturi tube is installed in the intake pipe. The Venturi tube can optimize the gas flow state, causing the complex gas flowing into the intake pipe to gather, and then dispersed by the arc-shaped sidewall inside the Venturi tube, so that the gas enters the regulating component evenly, ensuring a stable and continuous supply of gas to the compressor. The regulating component adjusts the amount of gas entering the compressor, maintaining a reasonable amount of gas. The first and second flow monitors detect the gas pressure before and after the regulation, respectively. By comparing the gas data before and after regulation, the central control module can promptly control the regulating component to regulate the amount of gas entering the compressor, avoiding excessive pressure changes in the compressor and improving the service life of the equipment.

[0016] Preferably, the intake pipe is connected to a diversion pipe; one end of the diversion pipe is connected to the intake end of the intake pipe, and the other end is connected to the control component; both ends of the intake pipe are respectively provided with sealing elements.

[0017] By adopting the above technical solution, a diversion pipe is set between the intake pipe and the control component, and seals are set at both ends of the diversion pipe. When the pressure in the intake pipe is too high, some gas can enter the diversion pipe, which avoids the pressure in the intake pipe being too high, reduces the working pressure of the venturi tube, and provides sufficient time for the air pressure control in the intake pipe.

[0018] Preferably, the diversion pipe is provided with a buffer assembly; the buffer assembly includes:

[0019] A rotating shaft is coaxially rotatably disposed within the diversion pipe;

[0020] Multiple guide vanes; one end of each guide vane is fixed to the side wall of the rotating shaft, and the other end is attached to the inner wall of the diversion pipe; the multiple guide vanes are evenly distributed around the rotating shaft; an air inlet channel is formed between adjacent guide vanes.

[0021] By adopting the above technical solution, a rotating shaft is set inside the diversion pipe, and multiple first spiral guide vanes are set on the rotating shaft. The gas entering the diversion pipe can push the first spiral guide vanes and drive the rotating shaft to rotate, so that part of the gas pressure is converted into the kinetic energy of the rotating shaft, thereby reducing the gas pressure. Furthermore, the multiple first spiral guide vanes adjust the gas flow direction and divide it into multiple airflows, making the airflow regularly dispersed, further reducing the gas pressure, stabilizing the airflow entering the control component, and reducing the working pressure of the control component.

[0022] Preferably, the buffer component further includes:

[0023] Two buffer chambers are symmetrically arranged on the rotating shaft; each buffer chamber has an air inlet and an air outlet.

[0024] A sealing plate is rotatably disposed within the buffer chamber; the sealing plate covers the air inlet and the air outlet;

[0025] The sealing plate has a first state of closing the air inlet and a second state of closing the air outlet.

[0026] By adopting the above technical solution, two buffer chambers are set in the diversion pipe to reduce the gas pressure generated after the gas enters the buffer chamber. By setting a sealing plate in the buffer chamber, the two sealing plates are in the first state and the second state respectively during operation, so that the two buffer chambers work alternately, so that the gas entering the separation pipe flows out in batches, shortening the time for the airflow to enter the control component. In conjunction with the rotating shaft and the first spiral guide plate, the effect of graded adjustment of gas pressure is achieved, and the gas pressure control efficiency is improved.

[0027] Preferably, the buffer chamber is hemispherical; the outer wall of the buffer chamber is fitted with the side wall of the diversion pipe; the sealing plate is an arc-shaped plate; and the sealing plate is fitted with the inner wall of the buffer chamber.

[0028] By adopting the above technical solution, the hemispherical buffer chamber can fit tightly against the side wall of the separation pipe, providing a good sealing effect and allowing gas to fully enter the buffer chamber; the curved plate can easily block the air inlet or outlet after rotation, improving the sealing effect of the buffer chamber; after the airflow enters the buffer chamber from the air inlet, it can diffuse inside the buffer chamber, reducing the gas pressure.

[0029] Preferably, a ventilation pipe is provided between the two buffer chambers, and the two ends of the ventilation pipe are respectively connected to the two buffer chambers.

[0030] By adopting the above technical solution, a ventilation pipe is installed between the two buffer chambers. When one buffer chamber is venting, a small amount of gas in the other buffer chamber can enter the buffer chamber through the ventilation pipe, allowing the gas to be discharged quickly. The ventilation pipe also plays a buffering role, preventing the gas in the diversion pipe from becoming too stagnant when the gas pressure in the buffer chamber is too high during the gas collection state, thus preventing excessive pressure at the first spiral guide plate. This achieves the effect of regulating the gas pressure in the buffer chamber during the gas collection state.

[0031] Preferably, the buffer component further includes:

[0032] The gear ring is coaxially mounted on the diversion pipe;

[0033] Two gears are coaxially fixed at one end of the two sealing plates; multiple gears mesh with the gear ring.

[0034] By adopting the above technical solution, a gear ring is installed inside the diversion pipe, and a gear is installed at one end of the sealing plate, so that the energy of the airflow driving the rotating shaft can be rationally utilized, avoiding energy waste.

[0035] Preferably, the venturi tube is provided with a spiral guide vane.

[0036] By adopting the above technical solution, the second spiral guide plate can accurately guide the gas flow, stably merge the airflow in the venturi tube, and effectively adjust the pressure of the venturi tube, providing a stable airflow for the control component.

[0037] Preferably, the control component includes:

[0038] The driving component is disposed on the side wall of the intake duct;

[0039] A valve is disposed on the power output end of the drive component; the valve is located inside the air intake pipe.

[0040] Preferably, the valve is a flexible diaphragm.

[0041] By adopting the above technical solution, the valve is set as a flexible diaphragm, so that when the air pressure at the control component changes, the air pressure squeezes the flexible diaphragm to deform, effectively buffering and regulating the gas pressure.

[0042] In summary, this application includes at least one of the following beneficial technical effects:

[0043] By installing a Venturi tube inside the intake pipe, the gas flow is optimized. The complex gas flowing into the intake pipe is concentrated and then dispersed by the curved sidewalls of the Venturi tube, ensuring a uniform gas supply to the regulating component and a stable, continuous gas supply to the compressor. The regulating component adjusts the amount of gas entering the compressor, maintaining a reasonable flow rate. A first flow monitor and a second flow monitor detect the gas pressure before and after regulation, respectively. By comparing the data before and after regulation, the central control module promptly controls the regulating component to adjust the amount of gas entering the compressor, preventing excessive pressure fluctuations and extending the equipment's lifespan.

[0044] Two buffer chambers are installed in the diversion pipe to reduce the gas pressure generated after the gas enters the buffer chambers. By installing sealing plates in the buffer chambers, the two sealing plates are in the first state and the second state respectively during operation, so that the two buffer chambers work alternately, allowing the gas entering the separation pipe to flow out in batches. In conjunction with the rotating shaft and the first spiral guide plate, the effect of graded gas pressure regulation is achieved, which improves the gas pressure regulation efficiency. Attached Figure Description

[0045] Figure 1 This is a schematic diagram of the compressor intake pressure stabilizing device.

[0046] Figure 2 This is a schematic diagram of the buffer component in the embodiment.

[0047] Figure 3 This is a schematic diagram of the buffer chamber in the embodiment.

[0048] Figure 4 This is a schematic diagram of the ventilation duct structure in the embodiment.

[0049] Explanation of reference numerals in the attached figures:

[0050] 1. Compressor; 11. Air inlet;

[0051] 2. Air intake pipe;

[0052] 3. Control components; 31. Drive components; 32. Valves;

[0053] 4. Venturi tube; 41. Spiral guide vane;

[0054] 5. First flow monitor;

[0055] 6. Second flow monitor;

[0056] 7. Diversion pipes; 71. Seals; 72. Buffer space;

[0057] 8. Buffer assembly; 81. Rotating shaft; 82. Deflector plate; 83. Buffer chamber; 831. Air inlet; 832. Air outlet; 833. Ventilation duct; 84. Sealing plate; 85. Gear ring; 86. Gear;

[0058] 9. Central control module. Detailed Implementation

[0059] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0060] This application discloses a compressor intake pressure stabilizing device. (Refer to...) Figure 1The compressor 1 intake pressure stabilizing device includes a compressor 1, an intake pipe 2, a regulating component 3, a venturi tube 4, a first flow monitor 5, a second flow monitor 6, and a central control module 9. The compressor 1 has an intake port 11, and the outlet end of the intake pipe 2 is connected to the intake port 11 of the compressor 1. The regulating component 3 is installed on the intake pipe 2 and located at the intake port 11. The regulating component 3 has a degree of freedom to move radially along the intake pipe 2. The regulating component 3 is used to open and close the intake port 11 to control the amount of gas entering the compressor 1. The venturi tube 4 is coaxially installed on the intake pipe. 2. The diameter of the inlet 11 and the outlet 11 of the Venturi tube 4 are kept within a specific ratio range, that is, the ratio of the diameter of the inlet 11 to the outlet 11 of the Venturi tube 4 is 1:0.8 to 1:1.2. Within this ratio range, the Venturi tube 4 can guide the gas to accelerate and decelerate reasonably within its cavity, reducing the generation of turbulence. The length of the cavity inside the Venturi tube 4 is set to 3 to 5 times the diameter of its inlet 11, which ensures that the gas has enough space for pressure equalization and flow adjustment, and avoids unnecessary energy loss and space occupation caused by excessive cavity length.

[0061] The diameter of the venturi tube 4 is determined by the formula. The calculations show that d is the inner diameter of the Venturi tube 4; Q refers to the volume of fluid passing through a certain cross section of the Venturi tube 4 per unit time, in cubic meters per second; and v is the flow velocity, which is the speed at which the fluid flows inside the Venturi tube 4, in meters per second.

[0062] The first flow monitor 5 is located at the inlet end of the inlet pipe 2; the second flow monitor 6 is located between the control component 3 and the inlet 11; both the first flow monitor 5 and the second flow monitor 6 consist of a high-frequency pressure sensor and a flow meter; the high-frequency pressure sensor has an ultra-high sampling rate, ≥1kHz, which can quickly capture instantaneous changes in gas pressure and accurately record subtle fluctuations in pressure data; the flow meter can accurately measure the gas flow rate, ensuring comprehensive monitoring of the gas flow state. The central control module 9 is electrically connected to the power source of the first flow monitor 5, the second flow monitor 6, and the control component 3 respectively; the first flow monitor 5 and the second flow monitor 6 can accurately capture subtle changes in pressure and instantaneous fluctuations in flow rate, and quickly convert physical signals into electrical or digital signals, and transmit them to the central control module 9. The central control module 9 can compare the gas data before and after control based on the received information, use the Fast Fourier Transform (FFT) algorithm to perform in-depth spectral analysis of pressure fluctuations, accurately determine their characteristics, and adjust the gas flow rate entering the compressor 1 by controlling the operation of the control component 3.

[0063] The central control module 9 is connected to a communication module that supports multiple communication protocols and can establish a stable connection with remote monitoring equipment or local operation terminals. Using this control cabinet, operators can both operate and monitor the device locally and remotely control it via communication, obtaining real-time operating status and parameters, flexibly adjusting operating strategies, and achieving intelligent and convenient management.

[0064] Reference Figure 2-4 The intake pipe 2 is connected to a diversion pipe 7; one end of each pipe is connected to the intake end of the intake pipe 2, and the other end is connected to the control component 3; both ends of the intake pipe 2 are provided with seals 71; the seals 71 include cylinders and sealing doors, and the cylinders are electrically connected to the central control module 9; to prevent confusion in the attached drawings, the connection relationship between the cylinders and the central control module 9 is not shown in the figures; a buffer component 8 is provided inside the diversion pipe 7; the buffer component 8 includes a rotating shaft 81, a sealing plate 84, a gear ring 85, two gears 86, two buffer chambers 83, and multiple guide plates 82; the rotating shaft 81 is coaxially rotatably disposed inside the diversion pipe 7; one end of the guide plate 82 is fixed to the side wall of the rotating shaft 81, and the other end is connected to the inner wall of the diversion pipe 7. The components are: a baffle plate 82 evenly distributed around the circumference of the rotating shaft 81; an air inlet channel is formed between adjacent baffle plates 82; two buffer chambers 83 are symmetrically arranged on the rotating shaft 81; the buffer chamber 83 has an air inlet 831 and an air outlet 832; the buffer chamber 83 is hemispherical; the outer wall of the buffer chamber 83 is fitted with the side wall of the diversion pipe 7; a sealing plate 84 is rotatably arranged inside the buffer chamber 83; the sealing plate 84 is an arc-shaped plate; so that the sealing plate 84 can perfectly fit with the inner wall of the buffer chamber 83; increasing the sealing performance of the buffer chamber 83; the sealing plate 84 covers the air inlet 831 and the air outlet 832; wherein, the sealing plate 84 has a first state of closing the air inlet 831 and a second state of closing the air outlet 832. The gear ring 85 is coaxially mounted on the diversion pipe 7; the gear 86 is fixed at one end of the sealing plate 84; both gears 86 mesh with the gear ring 85; after the rotating shaft 81 rotates, it can drive the sealing plate 84 to rotate through the gear 86 and the rack; a ventilation pipe 833 is provided between the two buffer chambers 83, and the two ends of the ventilation pipe 833 are respectively connected to the two buffer chambers 83.

[0065] Reference Figure 1The control component 3 includes a drive element 31 and a valve 32. The drive element 31 is mounted on the side wall of the intake pipe. The valve 32 is mounted on the power output end of the drive element 31. The valve 32 is a flexible diaphragm located inside the intake pipe. The flexible diaphragm is made of a composite material of pressure-resistant rubber and Kevlar. Kevlar has high strength and low density. When combined with pressure-resistant rubber, the diaphragm can not only withstand high pressure but also has excellent flexibility and fatigue resistance. The maximum deformation of the flexible diaphragm can reach ±20% of the cavity volume. This characteristic allows it to flexibly adjust its shape when the gas pressure changes, thereby effectively buffering and regulating the gas pressure. The drive element 31 is either a linear motor or a piezoelectric ceramic actuator. The linear motor has the advantages of high precision, high speed, and rapid response; the piezoelectric ceramic actuator has excellent micro-displacement control capability. Both can ensure that the stroke accuracy of the valve 32 displacement reaches ±0.1mm, achieving precise control of gas flow and pressure. The drive unit 31 can also be replaced with a hydraulic piston assembly, with a piston diameter Φ between 80 and 150 mm and a hydraulic pressure range of 0.5 to 3 MPa. The hydraulic piston assembly can provide greater driving force, making it suitable for some operating conditions requiring high driving power, thus expanding the application possibilities of the actuator. Practical verification has shown that the flexible diaphragm driven by the linear motor can control the intake pressure fluctuation range within a very small range, ensuring that the compressor 1 operates under stable intake pressure and significantly improving the compression efficiency of the compressor 1. The operational stability of the compressor 1 is significantly enhanced, effectively reducing abnormal vibration and noise caused by pressure fluctuations.

[0066] See Figure 1 The venturi tube 4 is equipped with spiral guide vanes 41, forming a spiral channel that precisely guides the gas flow. The spiral angle is set between 15° and 45°, which effectively guides the gas to form a stable spiral flow, promoting gas mixing and pressure equalization. The spacing between the guide vanes is controlled at 0.2 to 0.5 times the diameter of the venturi tube 4 inlet 11. Practical verification shows that when the spiral angle is 20° and the spacing is 0.3 times the diameter of the venturi tube 4 inlet 11, the guiding effect is particularly ideal, minimizing gas flow resistance and turbulence.

[0067] A damping plate is provided inside the venturi tube 4, and multiple through holes are provided on the damping plate; the diameter φ of the through holes is in the range of 2 to 5 mm, and the opening rate of the damping plate is maintained at 60% to 80%; the gas is finely damped and diverted through the through holes, which can achieve the effect of stabilizing the airflow and reducing fluctuations. The structure of the damping plate is relatively simple, so it is not shown in the attached figure.

[0068] The central control module 9 is connected to a human-machine interface (HMI), providing operators with an intuitive and convenient operating platform. The HMI not only supports pressure setting, allowing operators to easily set target intake pressure values ​​according to the operating requirements of compressor 1, but also possesses powerful fault diagnosis capabilities. Through real-time analysis of system operating data, it quickly and accurately locates fault points and provides corresponding solutions. The central control module 9 is also connected to a storage module with historical data storage capabilities. Using the Modbus communication protocol, it interacts with the HMI for data exchange. The Modbus communication protocol is characterized by its strong versatility and good compatibility, perfectly matching the communication protocol of compressor 1 in the field, enabling fast and stable data transmission. This provides strong support for operators to retrospectively analyze the operating status of compressor 1 and optimize equipment operating parameters.

[0069] The working principle of the compressor intake pressure stabilizing device in this application is as follows:

[0070] Before entering the compressor 1, the gas is detected by the first flow monitor 5. The first flow monitor 5 transmits the detected pressure and flow data to the central control module 9, which stores the data in the storage module. The central control module 9 has a first pressure range value. When the pressure value detected by the first flow monitor 5 is equal to or less than the first pressure range value, the gas normally enters the intake pipe 2, then passes through the venturi tube 4. The venturi tube 4 can initially buffer the intake gas, change the gas flow rate, and reduce the pressure fluctuation amplitude. Finally, it enters the regulating component 3, at which point the regulating component 3 is activated. In the open state, the gas passes through the regulating component 3 and then through the second flow monitor 6. The second flow monitor 6 transmits the detected value to the central control module 9. The central control module 9 has a second pressure range value. When the pressure value detected by the second flow monitor 6 is greater than the second pressure range value, the central control module 9 controls the driving component 31 to drive the flexible diaphragm to move and reduce the air inlet 11 of the compressor 1. When the pressure value detected by the second flow monitor 6 is within or less than the second pressure range value, the central control module 9 controls the driving component 31 to drive the flexible diaphragm to increase the air inlet 11 of the compressor 1.

[0071] When the pressure value detected by the first flow monitor 5 is within or below the first pressure range, the central control module 9 controls the seal 71 to open, and a portion of the gas enters the diversion pipe 7. The gas impacts the guide plate 82, causing the shaft 81 to rotate. The gear 86, under the meshing of the rack, causes the sealing plate 84 to rotate continuously, constantly switching between the first and second states. The first and second states of the sealing plate 84 in the two buffer chambers 83 are opposite, so that one of the two buffer chambers 83 releases gas and the other collects gas. There is a buffer space 72 between the buffer chamber 83 and the first spiral guide plate 82. After the airflow passes through the first spiral guide plate 82 and is dispersed into multiple airflows, it enters the buffer space 72. The buffer space 72 can buffer the airflow and prevent excessive air pressure in local areas. The airflow then enters one of the buffer chambers 83, and a small amount of gas can enter the other buffer chamber 83 through the ventilation pipe 833. When the other buffer chamber 83 exhausts, the gas can be quickly discharged and finally enter the control component 3.

[0072] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A compressor intake pressure stabilizing device, comprising a compressor (1) having an intake port (11); characterized in that, The compressor intake pressure stabilizing device also includes: An air intake pipe (2) is provided, the outlet of which is connected to the air inlet (11). A control component (3) is disposed on the air intake pipe (2) and located at the air intake port (11); the control component (3) has a degree of freedom to move radially along the air intake pipe (2) and is used to open and close the air intake port (11); The venturi tube (4) is coaxially disposed inside the intake pipe (2); A first flow monitor (5) is installed at the air inlet end of the air inlet pipe (2); A second flow monitor (6) is disposed between the control component (3) and the air inlet (11); The central control module (9) is electrically connected to the power source of the first flow monitor (5), the second flow monitor (6) and the control component (3), respectively; The intake pipe (2) is connected to a diversion pipe (7); one end of the diversion pipe is connected to the intake end of the intake pipe (2), and the other end is connected to the control component (3); both ends of the intake pipe (2) are respectively provided with sealing elements (71); a buffer component (8) is provided inside the diversion pipe (7); the buffer component (8) includes: A rotating shaft (81) is coaxially rotatably disposed within the diversion pipe (7); Multiple guide plates (82); one end of the guide plate (82) is fixed on the side wall of the rotating shaft (81), and the other end is attached to the inner wall of the diversion pipe (7); the multiple guide plates (82) are evenly distributed around the rotating shaft (81); an air inlet channel is formed between adjacent guide plates (82).

2. The compressor intake pressure stabilizing device according to claim 1, characterized in that, The buffer component (8) also includes: Two buffer chambers (83) are symmetrically arranged on the rotating shaft (81); each buffer chamber (83) has an air inlet (831) and an air outlet (832); A sealing plate (84) is rotatably disposed within the buffer chamber (83); the sealing plate (84) covers the air inlet (831) and the air outlet (832); The sealing plate (84) has a first state of closing the air inlet (831) and a second state of closing the air outlet (832).

3. The compressor intake pressure stabilizing device according to claim 2, characterized in that: The buffer chamber (83) is hemispherical; the outer wall of the buffer chamber (83) is in contact with the side wall of the diversion pipe (7); the sealing plate (84) is an arc-shaped plate; the sealing plate (84) is in contact with the inner wall of the buffer chamber (83).

4. The compressor intake pressure stabilizing device according to claim 2, characterized in that: A ventilation pipe (833) is provided between the two buffer chambers (83), and the two ends of the ventilation pipe (833) are respectively connected to the two buffer chambers (83).

5. The compressor intake pressure stabilizing device according to claim 2, characterized in that, The buffer component (8) also includes: A gear ring (85) is coaxially mounted on the diversion pipe (7); Two gears (86) are coaxially fixed at one end of the two sealing plates (84); multiple gears (86) mesh with the gear ring (85).

6. The compressor intake pressure stabilizing device according to claim 1, characterized in that: The Venturi tube (4) is provided with a spiral guide vane (41).

7. The compressor intake pressure stabilizing device according to claim 1, characterized in that, The control component (3) includes: A drive unit (31) is disposed on the side wall of the intake pipe; A valve (32) is disposed on the power output end of the drive member (31); the valve (32) is located inside the air intake pipe.

8. The compressor intake pressure stabilizing device according to claim 7, characterized in that, The valve (32) is a flexible diaphragm.

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