CN106401906B - A kind of pipeline compressor and its control method - Google Patents
A kind of pipeline compressor and its control method Download PDFInfo
- Publication number
- CN106401906B CN106401906B CN201610787405.3A CN201610787405A CN106401906B CN 106401906 B CN106401906 B CN 106401906B CN 201610787405 A CN201610787405 A CN 201610787405A CN 106401906 B CN106401906 B CN 106401906B
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- China
- Prior art keywords
- flabellum
- working medium
- stepper motor
- tube body
- servo
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
Abstract
The invention discloses a kind of pipeline compressor and its control methods.Pipeline compressor includes tube body, flabellum and motor, and the flabellum connects motor output shaft, and flabellum motor is all mounted in tube body, and flabellum axis is overlapped with body central line, and motor is fixedly connected with tube body.Flabellum rotates under the drive of motor, pushes the working medium in tube body to accelerate flowing, increases the pressure of working medium in front of flabellum, to obtain compression effectiveness.Compared to existing compressor, this programme does not need specific piston and cylinder body, and compression process is completed in flowing, still maintains continuous with front and back working medium when fluid compression, fluency is more preferable.Pipe structure saves volume, flexible for installation.The occasion that this programme is suitable for having higher requirements to space hold.
Description
Technical field
The present invention relates to field of fluid control, more particularly, to a kind of pipeline compressor and its control method.
Background technology
Compressor（compressor）, it is a kind of driven fluid machinery that low-pressure gas is promoted to high pressure gas, is
The heart of refrigeration system.It from air intake duct suck low-temp low-pressure refrigerant gas, by motor operate band piston to its into
Row compression after, to exhaust pipe be discharged high temperature and pressure refrigerant gas, provide power for refrigeration cycle, to realize compress → it is cold
It is solidifying（Heat release）The refrigeration cycle of → expansion → evaporation (heat absorption).
Existing compressor is usually required for the components such as special piston, cylinder body, occupies larger volume, with condenser
Equal components are relatively independent, and Installation Flexibility is not high enough, and working medium is compressed in particular space, when being compressed with front and back working medium
Separation, flowing are not smooth enough.
State Intellectual Property Office of the People's Republic of China disclosed entitled on 2 25th, 2009《Capacitance compressor》's
Patent document（Publication number：CN101375059A）Comprising control device, the control device is according to the power component of converter
Temperature estimates compressor suction pressure, or using sensor directly to measure compressor suction pressure, or is inhaled according to compressor
Enter temperature or compression case temperature to estimate compressor suction pressure, according to motor speed and motor phase current and
Phase voltage calculates motor torque, according to compressor suction pressure and motor torque estimates compressor discharge pressure, and
Compressor discharge temperature is estimated according to compressor suction pressure and compressor discharge pressure.This scheme still have volume compared with
Greatly, not smooth enough the disadvantage of Working fluid flow.
Invention content
The present invention is mainly the technical problem that the volume present in the solution prior art is larger, flowing is not smooth etc. enough, is carried
Volume, the working medium compressed pipeline compressor in lasting flow process can be saved for a kind of.
What the present invention was mainly addressed by following technical proposals in view of the above technical problems：A kind of pipeline compression
Machine, including tube body, flabellum, stepper motor and servo-drive system, the flabellum connect stepper motor output shaft, flabellum and stepper motor
It is all mounted in tube body, flabellum axis is overlapped with body central line, and stepper motor is fixedly connected with tube body, servo-drive system connection step
The control terminal of stepper motor.
Flabellum rotates under the drive of stepper motor, pushes the working medium in tube body to accelerate flowing, increases working medium in front of flabellum
Pressure, to obtain compression effectiveness.Compared to existing compressor, this programme does not need specific piston and cylinder body, compression
Process is completed in flowing, still maintains continuous with front and back working medium when fluid compression, fluency is more preferable.Pipe structure saves
Volume, flexible for installation, the convenient occasion in some narrow spaces of arrangement.The refrigerating capacity and power of compressor, by stepper motor
Torque is controlled.Servo-drive system controls the step frequency and rotating speed of stepper motor by voltage and current, realizes to stepping electricity
Machine is precisely controlled, to control the flow and speed of compressed gas.
Additional heat sink can quickly disperse the heat of working medium on the outside of tube body, that is, the step of completing to condense, to reach
To compressor, condenser and the three-in-one effect of working medium passage.
Preferably, the flabellum and stepper motor all at least there are two, each flabellum and the cooperation of stepper motor connect
It connects, the thrust direction that all flabellums generate when being rotated under stepper motor drive is consistent in tube body, each stepper motor
All it is connect with servo-drive system.
Multiple flabellums pressurize step by step, can improve final compression degree.
Preferably, being fixed with boss circle on inboard wall of tube body, flabellum diameter is more than the minimum diameter of boss circle, boss circle position
In the exhausting side of flabellum, the one side of boss circle towards flabellum is vertical with flabellum axis.
Fitting is slided between flabellum and boss circle, boss circle can prevent sky of the working medium between flabellum and tube body when work
Gap reflux, it is ensured that compression effectiveness.
Preferably, the flabellum includes fixed part, active ring and central shaft, central shaft is fixed with stepper motor output shaft
Connection, one end of fixed part is fixedly connected with central shaft, and the other end is connect by slide bar with active ring, and active ring is towards boss circle
It is vertical with flabellum axis on one side.
When fan blade rotating dynamic pressure contracting working medium, active ring is fitted in power pressure lower swing on boss circle, that is, allows flabellum and pipe
Gap is not present between body, prevents the reflux pressure letdown of working medium.
Preferably, the active ring is adopted towards boss circle when while at least one face with boss circle towards flabellum
With self-lubricating material.
Preferably, the self-lubricating material is graphite or polytetrafluoroethylene (PTFE) or carbon fiber.
The operating for not influencing flabellum using self-lubricating material avoids motor load excessive.
Preferably, pipeline compressor further includes communication system, the communication system connects servo-drive system, the communication
System includes wireless communication module.
Communication system realizes telecommunication and control by WIFI or other modes, facilitates control in the occasion of some scales
The unified regulation and control of personnel processed.
Preferably, being designed with a pressure sensor, each pressure sensing on the inboard wall of tube body of every pair flabellum air side
Device is all electrically connected with servo-drive system.
Pressure sensor provides feedback information, thus it is apparent that whether every grade of pressurization reaches setting target, it is servo system
System accurately controls offer foundation.
A kind of pipeline compressor control method, servo system control stepper motor pressurize step by step to the working medium in tube body,
It is the 1st grade to enable the flabellum near working medium source direction, then themThe increased pressure Δ of gradeP m It is determined by following formula：
ΔP m =(K2-K1)/2 m 1≤m＜n
ΔP m =(K2-K1)/2 m-1 m=n
K1 is the original pressure of working medium,K2 be working medium finally pressure to be achieved（Target, pressure）,nFor the sum of flabellum, i.e.,
Total series.
It more pressurizes to below more difficult, can extend compression with the load of reasonable distribution motor by reducing amount of pressurization step by step
Machine service life improves working efficiency.
The substantial effect that the present invention is brought is to be combined into one the pipeline of transferring working medium and compressor, need not be special
Cylinder body and piston, reduce volume, and install more flexible, there is no cutout situation, system operatings in compression for working medium
It is more smooth, there is good sealing effect between flabellum and tube body.
Description of the drawings
Fig. 1 is a kind of tubular body structural schematic diagram of the present invention；
Fig. 2 is a kind of blade structure schematic diagram of the present invention；
In figure：1, central shaft, 2, fixed part, 3, active ring, 4, slide bar, 5, tube body, 6, stepper motor, 7, boss circle.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：A kind of pipeline compressor of the present embodiment, as shown in Figure 1, including tube body 5, flabellum, stepper motor 6
And servo-drive system, flabellum connect stepper motor output shaft, flabellum and stepper motor are all mounted in tube body, flabellum axis and tube body
Center line overlaps, and stepper motor is fixedly connected with tube body, and servo-drive system connects the control terminal of stepper motor.
Flabellum rotates under the drive of stepper motor, pushes the working medium in tube body to accelerate flowing, increases working medium in front of flabellum
Pressure, to obtain compression effectiveness.Compared to existing compressor, this programme does not need specific piston and cylinder body, compression
Process is completed in flowing, still maintains continuous with front and back working medium when fluid compression, fluency is more preferable.Pipe structure saves
Volume, flexible for installation, the convenient occasion in some narrow spaces of arrangement.The refrigerating capacity and power of compressor, by stepper motor
Torque is controlled.Servo-drive system controls the step frequency and rotating speed of stepper motor by voltage and current, realizes to stepping electricity
Machine is precisely controlled, to control the flow and speed of compressed gas.
Additional heat sink can quickly disperse the heat of working medium on the outside of tube body, that is, the step of completing to condense, to reach
To compressor, condenser and the three-in-one effect of working medium passage.
Flabellum and stepper motor all at least there are two, each flabellum and a stepper motor are connected, and all flabellums exist
Motor drives the thrust direction generated when lower rotation to be consistent in tube body.
Multiple flabellums pressurize step by step, can improve final compression degree.
Boss circle 7 is fixed on inboard wall of tube body, flabellum diameter is more than the minimum diameter of boss circle, and boss circle is located at flabellum
The one side of exhausting side, boss circle towards flabellum is vertical with flabellum axis.
Fitting is slided between flabellum and boss circle, boss circle can prevent sky of the working medium between flabellum and tube body when work
Gap reflux, it is ensured that compression effectiveness.
As shown in Fig. 2, flabellum includes fixed part 2, active ring 3 and central shaft 1, central shaft is fixed with stepper motor output shaft
Connection, one end of fixed part is fixedly connected with central shaft, and the other end is connect by slide bar 4 with active ring, and active ring is towards boss
Circle one side is vertical with flabellum axis.
Active ring can be moved up along slide bar in the axis of flabellum.When fan blade rotating dynamic pressure contracting working medium, active ring is in working medium pressure
Power lower swing fits on boss circle, that is, allows and gap is not present between flabellum and tube body, prevent the reflux pressure letdown of working medium.
The active ring uses self-lubricating towards boss circle when while at least one face with boss circle towards flabellum
Material.
The self-lubricating material is graphite or polytetrafluoroethylene (PTFE) or carbon fiber.
The operating for not influencing flabellum using self-lubricating material avoids motor load excessive.
Pipeline compressor further includes communication system, and the communication system connects servo-drive system, and the communication system includes
Wireless communication module.Communication system realizes telecommunication and control by WIFI or other modes, in the occasion of some scales
Facilitate the unified regulation and control of controllers.
It is designed with a pressure sensor, each pressure sensor and servo on inboard wall of tube body per pair flabellum air side
System is electrically connected.Pressure sensor provides feedback information, thus it is apparent that whether every grade of pressurization reaches setting target, it is servo
System accurately controls offer foundation.
A kind of pipeline compressor control method, servo system control stepper motor pressurize step by step to the working medium in tube body,
It is the 1st grade to enable the flabellum near working medium source direction, then themThe increased pressure Δ of gradeP m It is determined by following formula：
ΔP m =(K2-K1)/2 m 1≤m＜n
ΔP m =(K2-K1)/2 m-1 m=n
K1 is the original pressure of working medium,K2 be working medium finally pressure to be achieved,nFor the sum of flabellum, i.e., total series.
It more pressurizes to below more difficult, can extend compression with the load of reasonable distribution motor by reducing amount of pressurization step by step
Machine service life improves working efficiency.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although the terms such as flabellum, motor, boss circle are used more herein, be not precluded using other terms can
It can property.The use of these items is only for more easily describe and explain the essence of the present invention；It is construed as any one
The additional limitation of kind is all disagreed with spirit of that invention.
Claims (9)
1. a kind of pipeline compressor, which is characterized in that including tube body, flabellum, stepper motor and servo-drive system, the flabellum connects
Stepper motor output shaft is connect, flabellum and stepper motor are all mounted in tube body, and flabellum axis is overlapped with body central line, stepping electricity
Machine is fixedly connected with tube body, servo-drive system connect stepper motor control terminal, the servo-drive system in order to control stepper motor to pipe
The servo-drive system that working medium in body is pressurizeed step by step, it is the 1st grade to enable the flabellum near working medium source direction, then themGrade is increased
Pressure ΔP m It is determined by following formula：
ΔP m =(K2-K1)/2 m , 1≤m＜n
ΔP m =(K2-K1)/2 m-1,m=n
K1 is the original pressure of working medium,K2 be working medium finally pressure to be achieved,nFor the sum of flabellum, i.e., total series.
2. a kind of pipeline compressor according to claim 1, which is characterized in that the flabellum and stepper motor are all at least
There are two, each flabellum and a stepper motor are connected, and what all flabellums generated when being rotated under stepper motor drive pushes away
Force direction is consistent in tube body, and each stepper motor is connect with servo-drive system.
3. a kind of pipeline compressor according to claim 1 or 2, which is characterized in that be fixed with boss on inboard wall of tube body
Circle, flabellum diameter are more than the minimum diameter of boss circle, and boss circle is located at the exhausting side of flabellum, boss circle towards flabellum one side with
Flabellum axis is vertical.
4. a kind of pipeline compressor according to claim 3, which is characterized in that the flabellum includes fixed part, activity
Circle and flabellum axis, flabellum axis are fixedly connected with stepper motor output shaft, and one end of fixed part is fixedly connected with flabellum axis,
The other end is connect by slide bar with active ring, and active ring is vertical with flabellum axis towards boss circle one side.
5. a kind of pipeline compressor according to claim 4, which is characterized in that the active ring is towards boss circle one side
With boss circle self-lubricating material is used towards at least one face of the one side of flabellum.
6. a kind of pipeline compressor according to claim 5, which is characterized in that the self-lubricating material is graphite or gathers
Tetrafluoroethene or carbon fiber.
7. a kind of pipeline compressor according to claim 1, which is characterized in that further include communication system, the communication
System connects servo-drive system, and the communication system includes wireless communication module.
8. a kind of pipeline compressor according to claim 2, which is characterized in that per the inboard wall of tube body of pair flabellum air side
On be designed with a pressure sensor, each pressure sensor is electrically connected with servo-drive system.
9. a kind of pipeline compressor control method, which is characterized in that servo system control stepper motor is to the working medium in tube body
It pressurizes step by step, it is the 1st grade to enable the flabellum near working medium source direction, then themThe increased pressure Δ of gradeP m It is true by following formula
It is fixed：
ΔP m =(K2-K1)/2 m , 1≤m＜n
ΔP m =(K2-K1)/2 m-1,m=n
K1 is the original pressure of working medium,K2 be working medium finally pressure to be achieved,nFor the sum of flabellum, i.e., total series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610787405.3A CN106401906B (en) | 2016-08-31 | 2016-08-31 | A kind of pipeline compressor and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610787405.3A CN106401906B (en) | 2016-08-31 | 2016-08-31 | A kind of pipeline compressor and its control method |
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| Publication Number | Publication Date |
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| CN106401906A CN106401906A (en) | 2017-02-15 |
| CN106401906B true CN106401906B (en) | 2018-08-21 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1924319A (en) * | 2005-08-30 | 2007-03-07 | 李志文 | Rotary jet engine |
| JP4975328B2 (en) * | 2006-01-25 | 2012-07-11 | サンデン株式会社 | Electric compressor |
| CN100498265C (en) * | 2007-06-05 | 2009-06-10 | 西北工业大学 | Axial-flow compressor experiment device |
| WO2010090866A2 (en) * | 2009-01-21 | 2010-08-12 | Appollo Wind Technologies Llc | Turbo-compressor-condenser-expander |
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