CN104154015B - Compressor - Google Patents
Compressor Download PDFInfo
- Publication number
- CN104154015B CN104154015B CN201310178943.9A CN201310178943A CN104154015B CN 104154015 B CN104154015 B CN 104154015B CN 201310178943 A CN201310178943 A CN 201310178943A CN 104154015 B CN104154015 B CN 104154015B
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- Prior art keywords
- air
- valve
- compressor
- conduit
- opening
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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
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of compressor, including: for compressed-air actuated compression unit；Driven by motor and carry out opening and closing, and the described air sprayed from described compression unit can be discharged to outside air bleeding valve from the ejection side conduit of described compression unit；And opening speed is faster than described air bleeding valve, and the air in the conduit of described ejection side can be discharged to outside relief valve rapidly.Accordingly, in the case of the driven for opening and closing being exhausted valve by motor, it is possible to promptly by the air release in the ejection side conduit of compression unit to outside.
Description
Technical field
The present invention relates to be compressed to air etc. the compressor of the pressure specified.
Background technology
Patent document 1 discloses that a kind of centrifugal compressor.Conduit in the ejection side of centrifugal compressor is provided with air bleeding valve.Air bleeding valve
It is opened, by the air release in the conduit of ejection side to outside, to suppress this to lead during pressure rising etc. in the conduit spraying side
Pressure in pipe or the rising of suppression pressure.
Driving source generally, as the opening and closing being exhausted valve uses air type actuator.Supply the instrument to air type actuator
Table air (instrument air) (generally being provided by client) aridity sometimes is bad, and this becomes air type actuator particularly localizer
(positioner) reason broken down.As the method avoiding this situation, it is considered to actuator to be set as electronic (motor) formula.
But, if as above using motor as the driving source of air bleeding valve, then the speed opening air bleeding valve is slow, it is impossible at needs
Promptly by outside for the air release in the conduit of ejection side during open air bleeding valve.Therefore, the pressure in described conduit surpasses sometimes
Cross the higher limit during use of centrifugal compressor.
Patent documentation 1: Japanese Laid-Open Patent Publication 2004-316462
Summary of the invention
It is an object of the invention to provide a kind of compressor, in the case of the driven for opening and closing being exhausted valve by motor, it is possible to fast
Speed ground is by outside for the air release in the ejection side conduit of compression unit.
An aspect of of the present present invention relates to compressor, including: compression unit, for compressed air；Air bleeding valve, is driven by motor and enters
Row opening and closing, and the described air sprayed from described compression unit can be discharged to outside from the ejection side conduit of described compression unit；And
Relief valve rapidly, opening speed is faster than described air bleeding valve, and can discharge the air in the conduit of described ejection side to outside.
In accordance with the invention it is possible to promptly by the air release in the ejection side conduit of compression unit to outside, it is possible to suppression ejection
Pressure in the conduit of side or the pressure spraying in the conduit of side can be suppressed to rise.
Accompanying drawing explanation
Fig. 1 is the skeleton diagram of the compressor involved by the first embodiment.
Fig. 2 is the figure of the control when explanation carries out emergency open in described compressor.
Fig. 3 is the skeleton diagram of the compressor involved by the second embodiment.
Detailed description of the invention
First embodiment of the present invention is described referring to Fig. 1 to Fig. 2.
Fig. 1 is the summary construction diagram of the compressor involved by the first embodiment, and Fig. 2 is to enter in described compressor for explanation
The figure of control during row emergency open.
As it is shown in figure 1, the compressor 10 involved by present embodiment includes filter by suction 11, suction volume adjustment portion 12, conduct
The compressor 13 of compression unit, heat exchanger 14, exhaust portion 15, rapidly relief valve 16, deafener 17, check-valves the 18, first pressure
Meter 19A, the second piezometer 19B and controller 20.It addition, compressor 10 include attracting side conduit 30, ejection side conduit 32,
And release conduit 34.Attract side conduit 30, be disposed with filter by suction 11 and suction volume adjustment portion 12 from upstream side,
And downstream is connected to the suction port 131 of compressor 13.Ejection side conduit 32 is provided with heat exchanger 14.Spray the upper of side conduit 32
Trip end is connected to the ejiction opening 132 of compressor 13, and downstream is connected to check-valves 18.After check-valves 18 connects and has compression
Air is delivered to supply the most female pipe 50 of conduit of destination.
Release conduit 34 includes the first conduit 34A and the second conduit 34B.One end of first conduit 34A is connected to spray side conduit
The position in the downstream of the heat exchanger 14 in 32, and the other end is connected to deafener 17.Set in the middle part of the first conduit 34A
It is equipped with air bleeding valve 150.One end of second conduit 34B is connected to spray the heat exchanger 14 and the one of the first conduit 34A in side conduit 32
Between the position that end is connected, the other end is connected between the deafener 17 in the first conduit 34A and air bleeding valve 150.Lead second
The middle part of pipe 34B is provided with electromagnetic valve the most rapidly relief valve 16 more small-sized than air bleeding valve 150.Additionally, the first conduit 34A
One end may also connect to spray the position between compressor 13 and the heat exchanger 14 in side conduit 32.Now, the second conduit 34B
One end and the first piezometer 19A are also connected to the position between described compressor 13 and heat exchanger 14.
Filter by suction 11 is from by by attracting side conduit 30 to be sucked into the air of compressor 13 removing rubbish etc..
Suction volume adjustment portion 12 includes inlet valve the 120, first electric actuator 121 and the first localizer 122, and adjusts quilt
It is sucked into the flow of the air of compressor 13.
Inlet valve 120 is Inlet Guide Vane (inlet guide vane), is the valve that can adjust aperture.First electric actuator 121
With the first motor M1 as power source.First localizer 122 controls the first electronic cause based on indication signal Sig.1 from controller 20
Dynamic device 121, thus adjust the aperture of inlet valve 120.In inlet valve 120, by changing the aperture of inlet valve 120, it is attracted
Changes in flow rate to the air of compressor 13.
Compressor 13 has compressor main body 130 and main motor 133.The compressor 13 of present embodiment is so-called turbo-compressor.
Compressor main body 130 has the impeller omitting diagram, and is rotated by described impeller and compress the air of attraction and spray.Main motor
133 make the described impeller of compressor main body 130 rotate with appointment rotary speed.Inlet valve 120 is controlled so that quilt by controller 20
It is attracted to the air capacity change of compressor 13, thus controls the electric power of supply extremely main motor 133.Compressor main body 130 is arranged
Having the effusion meter omitting diagram, its detection is from the flow of the air of compressor 13 ejection, and would correspond to the flow letter of described flow
Number output to controller 20.Additionally, controller 20 can also use value based on the electric power being provided to main motor 133 and obtain from
The structure of the flow of the air of compressor 13 ejection.
Heat exchanger 14 makes to carry out heat exchange with the cooling fluid (water etc.) of low temperature, with cooling from compressor from the air of compressor 13 ejection
The air of 13 ejections.
Exhaust portion 15 includes air bleeding valve the 150, second electric actuator 151 and the second localizer 152.
Second electric actuator 151 is with the second motor M2 as power source.Air bleeding valve 150 is the valve that can adjust aperture.Second location
Device 152 controls the second electric actuator 151 based on indication signal Sig.2 from controller 20, thus adjusts opening of air bleeding valve 150
Degree.In exhaust portion 15, by opening air bleeding valve 150, the air in ejection side conduit 32 discharged by the first conduit 34A to
Outside.In the present embodiment, air bleeding valve 150 is 30 seconds to one minute degree from the time of full-shut position conversion to full-gear.
Relief valve 16 carries out on-off action based on indication signal sig.3 from controller 20 rapidly.By opening relief valve 16 rapidly,
Air in ejection side conduit 32 is discharged to outside by the second conduit 34B.The diameter of the second conduit 34B is than the first conduit 34A
Diameter little, flow-rate ratio the first conduit 34A of air discharged from the second conduit 34B is little.It addition, relief valve 16 compares aerofluxus rapidly
Valve 150 is smaller, and the opening speed of relief valve 16 is faster than the opening speed of air bleeding valve 150 rapidly.I.e., rapidly relief valve 16 from
Full-shut position conversion is shorter, in the present embodiment, from full-shut position than the air bleeding valve 150 being opened and closed driving to the time of full-gear
Conversion is one second to two seconds degree to the time of full-gear.
Deafener 17 carries out noise reduction to being discharged to exhaust sound during outside from release conduit 34 by air.
In check-valves 18 prevents towards the air inversion of supply destination ejection to compressor 10.
First piezometer 19A is arranged between heat exchanger 14 and the check-valves 18 of ejection side conduit 32, detection ejection side conduit 32
Interior pressure, and pressure signal is exported to controller 20.Second piezometer 19B is arranged on female pipe 50, in the female pipe 50 of detection
Pressure, and by pressure signal export to controller 20.
In controller 20, by performing program, functionally constitute and run control portion 201 and exhaust control portion 202.
Run control portion 201 and control suction volume adjustment portion 12 and compressor 13.When compressor 10 runs, run control portion 201
After the main motor 133 making compressor 13 drives, control suction volume adjustment portion 12 and increase the aperture of inlet valve 120.Air leads to
Cross filter by suction 11 and be attracted to compressor 13 and compressed, and spray from the ejiction opening 132 of compressor 13.This is ejected
Air become high temperature by compression, but be cooled by heat exchanger 14.Thus, desired pressure is sprayed from compressor 10
Power and the air of temperature.
Exhaust control portion 202 controls the opening and closing of air bleeding valve 150 and relief valve 16 rapidly.It addition, exhaust control portion 202 is judging needs
During emergency open, by open air bleeding valve 150 and rapidly relief valve 16 and carry out emergency open.This emergency open refers to by first
The pressure that piezometer 19A (or second piezometer 19B) measures rises and close to designated value set in advance (in the example shown in Fig. 2 is
Emergency open force value) time, or the air sprayed from compressor 13 flow reduce and close to designated value set in advance (at Fig. 2
Shown example is emergency open flow value) time, open air bleeding valve 150 and rapidly relief valve 16 and will be in ejection side conduit 32
Air release is to outside action.And, emergency open force value is the value bigger than ejection pressure target value when generally running, and is
Each structure member etc. of the supply destination of air after being risen the limit or compressor 10 by the pressure of turbo-compressor and compressed
The value that pressure performance etc. determine.It addition, emergency open flow value is to spray the value (stall margin (surge that flow-rate ratio surge produces
Line)) the value that big mode sets, is determined by the flow of the air of release when opening air bleeding valve 150 and relief valve 16 rapidly etc..
Specific as follows.
First, about because of the usage amount minimizing etc. of the air in supply destination, by the first piezometer 19A (or second piezometer 19B)
The control when pressure of detection rises illustrates.Additionally, as in figure 2 it is shown, aerofluxus initiation pressure value is less than emergency open force value,
Ejection pressure target value is less than aerofluxus initiation pressure value.
Run control portion 201 and become ejection pressure target value with the pressure measured by the first piezometer 19A (or second piezometer 19B)
Mode control compressor 13.Further, if the usage amount minimizing etc. of the air because of supply destination, detected pressure is from spray
Go out pressure target value to rise and reach aerofluxus initiation pressure value, then exhaust control portion 202 exports indication signal to the second localizer 152
Sig.2, to drive the second electric actuator 151 to start to open at air bleeding valve 150.But, the air bleeding valve of present embodiment 150 dozens
Open speed slow, start to open up the air that can not discharge q.s, if the rate of pressure rise in ejection side conduit 32 is fast,
The pressure that then can not be adequately suppressed in ejection side conduit 32 rises.Now, if detected pressure reaches emergency open pressure
Value, then exhaust control portion 202 exports indication signal Sig.3 to relief valve 16 rapidly and opens relief valve 16 rapidly.Relief valve rapidly
16 opening speeds are fast, therefore, it is possible to promptly by the air release in ejection side conduit 32 to outside.Its result, by opening rapidly
Put the opening of valve 16, it is possible to the rising of the pressure in suppression ejection side conduit 32.Further, during the rate of climb of suppression pressure,
By air bleeding valve 150 close to full-gear, it is possible to enough flows by the air release in ejection side conduit 32 to outside.Pass through
Action discussed above, it is possible to prevent from spraying the higher limit of the pressure performance etc. that the pressure in side conduit 32 exceedes compressor 10.
Terminate emergency open time, exhaust control portion 202 to the second localizer 152 and rapidly relief valve 16 export indication signal
Sig.2, Sig.3, close air bleeding valve 150 and relief valve 16 rapidly.
Then, operation control portion 201, after the main motor 133 making compressor 13 drives, controls suction volume adjustment portion 12 and increases
The aperture of inlet valve 120.Now, from the cooling fluid provider being connected with compressor 10 in advance (such as, when cooling fluid is water
Time, for cooling tower, running water pipe etc.) by cooling fluid supply to heat exchanger 14.
Then, the main motor 133 about compressor 13 stops because of fault etc. and reduces from the ejection flow of the air of compressor 13 ejection
Time or the ejection flow of compressor 13 illustrate because of control when other reasons reduces.Additionally, as in figure 2 it is shown, emergency open stream
It is little that magnitude ratio aerofluxus starts flow value, and stall margin is less than emergency open flow value.
If the detected ejection flow from compressor 13 reduces and reaches aerofluxus and start flow value, then exhaust control portion 202
Export indication signal Sig.2 to the second localizer 152, drive the second electric actuator 151 to start to open at air bleeding valve 150.In spray
When outflow is reduced to emergency open flow value, exhaust control portion 202 exports indication signal Sig.3 to open urgency to relief valve 16 rapidly
Speed relief valve 16.Thereby, it is possible to promptly by the air release in ejection side conduit 32 to outside.So by opening rapidly
Relief valve 16 reduces the pressure in ejection side conduit 32 rapidly, it is possible to prevent from spraying the air inversion in side conduit 32 to compressor
Phenomenon in the 13 i.e. generation of surge.When terminating emergency open, as it has been described above, exhaust control portion 202 closes air bleeding valve 150 He
Relief valve 16 rapidly.
Above, in the compressor 10 involved by present embodiment, when emergency open, need to open air bleeding valve 150 and incite somebody to action
Air release in ejection side conduit 32 is to time outside, by opening relief valve 16 rapidly, it is possible to promptly discharged by described air
To outside.Therefore, in the period fully being opened air bleeding valve 150 by the driving of the second motor M2, by side conduit 32 will be sprayed
Interior air discharges to outside from relief valve 16 rapidly, it is possible to the pressure in suppression ejection side conduit 32 or the rising of suppression pressure.
Additionally, the compressor 10 of present embodiment can also open air bleeding valve 150 and relief valve 16 rapidly simultaneously.
Then, with reference to Fig. 3, second embodiment of the present invention is described, wherein, the structure identical with above-mentioned first embodiment is made
By same-sign detailed, only describe different structures in detail.
Difference in the structure of the compressor 10A of present embodiment and the compressor 10 of the first embodiment is with rapidly
Opening valve portion 160 replaces relief valve 16 rapidly.
The valve of the opening rapidly portion 160 of present embodiment include supply aerofluxus switching part 161, pilot valve (relief valve rapidly) 162, with
And speed adjusts valve 163.Connect in opening valve portion 160 rapidly and have the part guiding of the air sprayed from compressor 10A
Open with the guiding conduit 165 in valve portion 160 rapidly to this.In the guiding conduit 165 of present embodiment, it is connected to open rapidly use
The end of the opposition side of the end in valve portion 160 is connected to female pipe 50.Thereby, it is possible to will the humidity change by cooling at heat exchanger 14
Low air supply is to opening valve portion 160 rapidly, it is possible to prevent the fault etc. produced because moisture enters.
Supply aerofluxus switching part 161 possesses the electromagnetic valve being carried out open and close controlling by controller 20, and is connected to guide the end of conduit 165
Portion.It addition, supply aerofluxus switching part 161 is connected with pilot valve 162 by connecting tube 164.Further, supply aerofluxus switching part 161
Constitute as follows, it may be assumed that by opening electromagnetic valve, the air guiding conduit 165 to guide be supplied by connecting tube 164
To pilot valve 162, and by closing electromagnetic valve, the air in pilot valve 162 is vented to outside by connecting tube 164.At this
In the supply aerofluxus switching part of embodiment, discharged by deafener 17 in the way of outside by the air from pilot valve 162 aerofluxus
Carry out conduit setting.
Pilot valve 162 has open and close valve 166 and cylinder part 167.Open and close valve 166 is arranged at the second conduit 34B, opening and closing the second conduit
Stream in 34B.Cylinder part 167 driven opening/closing valve 166.Specifically, if cylinder part 167 is supplied the sky of the pressure specified
Gas, then piston rod 167A extends and opens open and close valve 166, if described air is by aerofluxus, then piston rod 167A retracts and closes
Open and close valve 166.
The pilot valve 162 of present embodiment is supplied the air of the pressure specified by cylinder part 167, and by open and close valve from fully closed shape
State is set as e.g. one second to the two seconds time degree of full-gear.
Speed adjusts valve 163 and is arranged at connecting tube 164.Speed adjusts valve 163 and includes restriction 163A and check-valves 163B.From confession
Answer aerofluxus switching part 161 towards the air of cylinder part 167 mainly by check-valves 163B.It addition, from cylinder part 167 to supply row
The air of gas switching part 161 aerofluxus passes through restriction 163A.Therefore, cylinder part 167 is flowed into compared to from supply aerofluxus switching part 161
Air mass flow, be vented to supply aerofluxus switching part 161 air mass flow little.Thus, speed adjusts valve 163 by open and close valve 166
Closedown time speed be set as less than speed when opening.
With reference to Fig. 2, the compressor 10A of the present embodiment action when emergency open is described.If because of the sky in supply destination
The usage amount minimizing etc. of gas, is reached aerofluxus initiation pressure by the pressure detected by the first piezometer 19A (or second piezometer 19B)
Value, then exhaust control portion 202 exports indication signal Sig.2 to the second localizer 152, drives the second electric actuator 151 to open
Air bleeding valve 150.Identical with the first embodiment, air bleeding valve 150 opening speed is slow, so can not will spray starting to open up
Air in side conduit 32 fully discharges to outside, and therefore, the rate of climb such as the pressure in ejection side conduit 32 is fast, then can not
The pressure being adequately suppressed in ejection side conduit 32 rises.Now, if detected pressure reaches emergency open force value, then
Exhaust control portion 202 opens the electromagnetic valve of supply aerofluxus switching part 161, by by guide conduit 165 and from the directed sky of female pipe 50
Gas supplies the cylinder part 167 to pilot valve 162.Thus, the piston rod 167A of cylinder part 167 towards biasing springs direction extend and
Promptly open open and close valve 166.Thereby, it is possible to promptly by the air release in ejection side conduit 32 to outside.Passing through opening and closing
The period of the rate of climb rising or suppressing pressure of the pressure in the open suppression ejection side conduit 32 of valve 166, air bleeding valve 150 connects
Nearly full-gear such that it is able to enough flows by the air release in ejection side conduit 32 to outside.It is as a result, it is possible to prevent
Pressure in ejection side conduit 32 exceedes the higher limit of the pressure performance etc. of compressor 10A.
When terminating emergency open, exhaust control portion 202 is to the supply aerofluxus switching part 161 of the second localizer 152 and pilot valve 162
Electromagnetic valve output indication signal Sig.2, Sig.3, close air bleeding valve 150 and open and close valve 166.Now, in present embodiment
In compressor 10A, reduce the flow of the air discharged from cylinder part 167, thus slowly closing by being adjusted valve 163 by speed
Open and close valve 166.Thereby, it is possible to the pressure in suppression ejection side conduit 32 steeply rises.
Then, the main motor 133 about compressor 13 stops because of fault etc. and reduces from the ejection flow of the air of compressor 13 ejection
Time or the ejection flow of compressor 13 illustrate because of control when other reasons reduces.
If the detected ejection flow from compressor 13 reduces and reaches aerofluxus and start flow value, then exhaust control portion 202
Export indication signal Sig.2 to the second localizer 152, drive the second electric actuator 151 to open air bleeding valve 150.Further,
When spraying flow and reaching emergency open flow value, exhaust control portion 202 opens the electromagnetic valve of supply aerofluxus switching part 161, and will
By guide conduit 165 and from the cylinder part 167 of the directed air supply of female pipe 50 to pilot valve 162.Thus, open and close valve 166
Open rapidly.Therefore, it is possible to promptly by the air release in ejection side conduit 32 to outside.So by open and close valve 166
Open and drastically reduce the pressure in ejection side conduit 32 such that it is able to prevent the generation of surge.Terminate action and the spray of emergency open
The action going out exhaust control portion 202 when pressure in side conduit 32 rises is identical.
Above, in the compressor 10A involved by present embodiment, when emergency open, by opening pilot valve 162, in detail
By opening open and close valve 166 for Xi, it is possible to promptly by the air release in ejection side conduit 32 to outside.Therefore, passing through
The period of air bleeding valve 150 is fully opened in the driving of the second motor M2, by by the air in ejection side conduit 32 from pilot valve 162
Release is to outside, it is possible to the pressure in suppression ejection side conduit 32 or the rising of suppression pressure.
Additionally, the compressor of the present invention is not limited to the above-mentioned first and second embodiment, certainly can be without departing from this
Various change is carried out in the range of bright purport.
The compressor 13 of the above-mentioned first and second embodiment is so-called turbo-compressor but it also may be such as helical-lobe compressor
Deng other form compressors.
It addition, in the compressor 10A of the second embodiment, carry out open and close valve 166 by the cylinder part 167 utilizing air pressure
Driven for opening and closing, but also be able to by utilizing other the cylinder part of fluid pressure of oil or water etc. to carry out.
Guide conduit 165 is also connected to spray side with the end that end is opposition side in valve portion 160 leads with being connected to open rapidly
Pipe 32.
[summary of embodiment]
Sum up above embodiment as follows.
That is, the above-mentioned compressor involved by embodiment includes: compression unit, for compressed air；Air bleeding valve, is driven by motor
Dynamic and carry out opening and closing, and can by the described air that sprays from described compression unit from the ejection side conduit release of described compression unit to
Portion；And relief valve rapidly, opening speed is faster than described air bleeding valve, and can discharge the air in the conduit of described ejection side to outward
Portion.
According to this structure, needing to open air bleeding valve by the air release in the conduit of ejection side to time outside, open rapidly by opening
Put valve, it is possible to promptly by the release of described air to outside.Therefore, in the period fully being opened air bleeding valve by the driving of motor,
By the air in the conduit of ejection side is discharged to outside from relief valve rapidly, it is possible to the pressure in the conduit of suppression ejection side or suppression pressure
The rising of power.
In described compressor, described relief valve rapidly is made up of electromagnetic valve.
Compared with the valve being carried out driven for opening and closing by motor, the opening and closing speed of electromagnetic valve faster, will spray so opening air bleeding valve at needs
When going out the air release in the conduit of side to outside, by opening this electromagnetic valve, it is possible to promptly by the release of described air to outside.
In described compressor, the pilot valve that described relief valve rapidly is carried out opening and closing by the pressure utilizing fluid is constituted.
Compared with the valve being carried out driven for opening and closing by motor, the opening and closing speed of pilot valve faster, will spray so opening air bleeding valve at needs
When going out the air release in the conduit of side to outside, by opening this pilot valve, it is possible to promptly by the release of described air to outside.
Described compressor also includes a part for the air sprayed from described compression unit is guided the guiding conduit to described pilot valve,
Wherein, the air of the air that the utilization of described pilot valve sprays from described compression unit is pressed and is carried out opening and closing.
According to this structure, even if the most additionally arranging the air supplies etc. of the driven for opening and closing of pilot valve, it is also possible to make pilot valve opening and closing.
Described compressor also includes that the flow making the air of discharge is adjusted less than the speed of the flow of the air flowing into described pilot valve
Whole valve.
According to this structure, when closing air bleeding valve, carry out this pilot valve of slowly closing by reducing the flow from the air of pilot valve discharge,
The pressure being prevented from spraying in the conduit of side steeply rises.
Industrial applicability
Even if the present invention provides in the case of the driven for opening and closing being exhausted valve by motor, it is also possible to promptly by the ejection of compression unit
Air release in the conduit of side is to outside compressor.
Claims (5)
1. a compressor, including:
Compression unit, for compressed air；
Characterized by further comprising:
Air bleeding valve, is driven by motor and carries out opening and closing, and can be discharged to outside from the ejection side conduit of described compression unit by the described air that spray from described compression unit；And
Relief valve rapidly, opening speed is faster than described air bleeding valve, and can discharge the air in the conduit of described ejection side to outside.
Compressor the most according to claim 1, it is characterised in that:
Described relief valve rapidly is made up of electromagnetic valve.
Compressor the most according to claim 1, it is characterised in that:
The pilot valve that described relief valve rapidly is carried out opening and closing by the pressure utilizing fluid is constituted.
Compressor the most according to claim 3, it is characterised in that also include:
A part for the air that sprays from described compression unit is guided the guiding conduit to described pilot valve, wherein,
The air of the air that the utilization of described pilot valve sprays from described compression unit is pressed and is carried out opening and closing.
Compressor the most according to claim 4, it is characterised in that also include:
The flow making the air of discharge adjusts valve less than the speed of the flow of the air flowing into described pilot valve.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310178943.9A CN104154015B (en) | 2013-05-15 | 2013-05-15 | Compressor |
| JP2014093011A JP6300624B2 (en) | 2013-05-15 | 2014-04-28 | Compression device |
| KR1020140056431A KR101812375B1 (en) | 2013-05-15 | 2014-05-12 | Compression apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310178943.9A CN104154015B (en) | 2013-05-15 | 2013-05-15 | Compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104154015A CN104154015A (en) | 2014-11-19 |
| CN104154015B true CN104154015B (en) | 2016-08-17 |
Family
ID=51879606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310178943.9A Expired - Fee Related CN104154015B (en) | 2013-05-15 | 2013-05-15 | Compressor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6300624B2 (en) |
| KR (1) | KR101812375B1 (en) |
| CN (1) | CN104154015B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102251736B1 (en) * | 2014-11-26 | 2021-05-14 | 현대중공업터보기계 주식회사 | Multi-stage compressor and method for protecting surge |
| KR102634759B1 (en) * | 2021-09-30 | 2024-02-07 | 주식회사 남원터보원 | Blow off valve structure for motor efficiency increasing of turbo blower |
| WO2023095968A1 (en) * | 2021-11-29 | 2023-06-01 | 주식회사 남원터보원 | Method for safely controlling motor driving of turbo blower |
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-
2013
- 2013-05-15 CN CN201310178943.9A patent/CN104154015B/en not_active Expired - Fee Related
-
2014
- 2014-04-28 JP JP2014093011A patent/JP6300624B2/en not_active Expired - Fee Related
- 2014-05-12 KR KR1020140056431A patent/KR101812375B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CN104154015A (en) | 2014-11-19 |
| JP2014224530A (en) | 2014-12-04 |
| KR101812375B1 (en) | 2017-12-26 |
| KR20140135103A (en) | 2014-11-25 |
| JP6300624B2 (en) | 2018-03-28 |
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Granted publication date: 20160817 |