CN106286254B - A kind of air compressor machine of full-automatic unmanned supervision - Google Patents
A kind of air compressor machine of full-automatic unmanned supervision Download PDFInfo
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- CN106286254B CN106286254B CN201610880430.6A CN201610880430A CN106286254B CN 106286254 B CN106286254 B CN 106286254B CN 201610880430 A CN201610880430 A CN 201610880430A CN 106286254 B CN106286254 B CN 106286254B
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- valve
- compressor machine
- air compressor
- plc
- air
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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
- 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
-
- 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
- F04B35/002—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 driven by internal combustion engines
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
-
- 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
- F04B49/10—Other safety measures
-
- 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
- F04B49/20—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 by changing the driving speed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a kind of air compressor machine of full-automatic unmanned supervision, including PLC, engine, air compressor machine, gs-oil separator and air-path control system；The PLC connects dc source, and PLC is sequentially connected engine and air compressor machine；The input of the air compressor machine is connected with air cleaner by pipeline, and its output end connects gs-oil separator by pipeline；The air-path control system is provided with temperature sensor and pressure sensor, and the temperature sensor and pressure sensor are connected with PLC.Control mode of the present invention is accurate, and energy-saving effect is notable, extends the service life of air compressor machine.
Description
Technical field
The present invention relates to air compressor machine technical field, more particularly to a kind of air compressor machine of full-automatic unmanned supervision.
Background technology
Movable screw air compressor is used for the industries such as builds to foundation engineering, drilling well, oil, shipyard, is carried for various equipment
For endlessly compressed air.Movable screw air compressor is generally used for than in relatively rugged environment, existing screw rod is empty
The control mode of air compressor is mostly to switch air inlet valve loading and unloading to adjust air pressure, i.e., when gas consumption is reduced, air pressure
Increase, when reaching pressure upper limit, imported valve is closed, air compressor machine is in Light Condition, extruded without gas, at this moment air compressor machine
Flogging a dead horse, when air pressure is less than threshold pression, air inlet valve opens loading, and this working method can bring air pressure not
Surely, product quality is influenceed.The load increase of motor, power consumption increase when air pressure is high.When air pressure is low, air compressor machine unloading, electricity
Machine is in Light Condition, flogs a dead horse, and is wasting the energy.And when air pressure is high, pipe leakage is also a kind of table of power consumption
It is existing.Above-mentioned working method can not meet the development of modern industry.
In the prior art, energy saving system for air compressor switchs air inlet valve loading and unloading to adjust compared to past
It is more advanced for air pressure, it is to be controlled using computerized control system mostly, however, most control modes is inaccurate, section
Energy effect is poor, and system is influenceed greatly by rush of current, and use quality is difficult to obtain Reliable guarantee.
The content of the invention
It is an object of the invention to overcome the defect of prior art, there is provided a kind of air pressure of energy accurate adjustment air compressor machine, make
Intake valve plus-minus load is synchronous with the release of pressure, while and can saves the energy, improves the air compressor machine of pneumatic element service life.
The present invention is that solve above-mentioned technical problem by following technical proposals：
A kind of air compressor machine of full-automatic unmanned supervision, including PLC, engine, air compressor machine, gs-oil separator are gentle
Path control system；The PLC connects dc source, and PLC is sequentially connected engine and air compressor machine；The pneumatics
The input of machine is connected with air cleaner by pipeline, and its output end connects gs-oil separator by pipeline；The gas circuit control
System processed is provided with temperature sensor and pressure sensor, the temperature sensor and pressure sensor with PLC phase
Even.
Preferably, the PLC includes fault detection module, the PLC passes through fault detection module
It is connected with air compressor machine main body.
Preferably, the PLC includes human-computer interface module, human-computer interface module connects the PLC
Input.
Preferably, the air-path control system includes two groups of gas circuits, first group of gas circuit includes plus unloading magnetic valve,
From gs-oil separator pass-out with adding the inlet end of unloading magnetic valve to be connected, the outlet side that magnetic valve is unloaded by adding picks out pipeline, then
It is connected to by four-way interface on the valve block of intake valve, makes the gas outlet phase of the pipeline and intake valve by adding unloading magnetic valve to pick out
Connection；Second group of gas circuit includes feather valve, and pipeline connects from the air inlet of gs-oil separator pass-out and feather valve, feather valve
Gas outlet be divided into two pipelines, a pipeline is connected to the gas outlet on the valve block of intake valve with intake valve by four-way interface
It is connected；Another pipeline is connected to be connected with the air inlet of intake valve.
Preferably, described plus unloading magnetic valve loads magnetic valve and the first off-load solenoid valve block by the first of interlocking-type
Into.
Preferably, the pipeline of first group of gas circuit is provided with pressure-reducing valve and drain valve, the pressure-reducing valve is arranged on electricity
At the air inlet of magnet valve, drain valve is arranged on the exit of gs-oil separator.
Preferably, setting an off-loading branch road in first group of gas circuit, the off-loading branch road is provided with the first off-loading pipeline
With the second off-loading pipeline.
Preferably, it is respectively equipped with first pressure regulating valve and second pressure on the first off-loading pipeline and the second off-loading pipeline
Regulating valve, second solenoid valve is additionally provided with the air inlet of the first pressure regulating valve of the first off-loading pipeline.
Preferably, the PLC uses ID-DCU master controllers.
The present invention has the advantages that compared with prior art：
1st, screw air compressor of the present invention comes to carry out double-direction control to engine and air compressor machine by using PLC, adopts
The opening and closing of intake valve are controlled with two groups of gas circuits of parallel connection, intake valve plus-minus is carried synchronous with the release of pressure and then comes
Control the rotating speed of engine；User according to the size of gas consumption, can automatically adjust the rotating speed of engine.
2nd, the present invention by first group of gas circuit an in parallel off-loading branch road realize under Double-working-condition to the difference of air demand
Demand, greatly reduce labor intensity and the oil consumption of operator.
3rd, the air compressor machine of the full-automatic unmanned supervision of the present invention is man-machine direct right with realizing by PLC
Words, by the PLC Programmings to ID-DCU master controllers, can make to the specific operational factor of engine and timely become
More and monitor, realize the control to air compressor machine actual motion；Meanwhile ID-DCU master controllers timely can join the items of machine
Number timely intuitively feeds back to operator by LCDs, finally realizes man-machine direct dialogue.
Brief description of the drawings
Fig. 1 is a kind of air compressor machine control principle drawing of full-automatic unmanned supervision of the present invention；
Fig. 2 is a kind of schematic diagram of the air compressor machine air-path control system of full-automatic unmanned supervision of the present invention.
Shown in figure：1st, air compressor machine, 2, engine, 3, PLC, 4, gs-oil separator, 5 plus unloading magnetic valve,
51st, the first loading magnetic valve, the 52, first off-load magnetic valve, 6, pressure-reducing valve, 7, drain valve, 8, air cleaner, 9, minimum pressure
Valve, 10, safety valve, 11, second solenoid valve, 12, first pressure regulating valve, 13, second pressure regulating valve, 14, feather valve, 15,
Throttle orifice, 16, intake valve, 17, temperature sensor, 18, pressure sensor.
Embodiment
In order that the purpose, technical scheme and advantage of the embodiment of the present invention are clearer, implement below in conjunction with the present invention
Technical scheme in example carries out clear, complete description, it is clear that and described embodiment is the section Example of the present invention, and
It is not all of embodiment.Based on embodiments of the invention, those of ordinary skill in the art are not before creative work is paid
The every other embodiment obtained is put, belongs to protection scope of the present invention.
As shown in figure 1, a kind of air compressor machine of full-automatic unmanned supervision, including PLC 3, engine 2, air compressor machine 1,
Gs-oil separator 4 and air-path control system；The PLC 3 connects dc source, and PLC 3 is sequentially connected engine
2 and air compressor machine 1；The input of the air compressor machine 1 is connected with air cleaner 8 by pipeline, and its output end is connected by pipeline
Gs-oil separator 4；The air-path control system is provided with temperature sensor 17 and pressure sensor 18, the temperature sensor 17
It is connected with pressure sensor 18 with PLC 3.
The PLC 3 that the present invention uses is ID-DCU master controller, and switch on power ID-DCU master controllers and engine
2 and the ECM communications of air compressor machine main body 1, the exhaust outlet of compressor main body 1 pass through blast pipe and connect gs-oil separator 4, compress owner
Intake valve 16 is additionally provided with the air inlet of body 1, the piston cavity of resorption of wherein intake valve 16 is connected with the air inlet of air compressor machine 1, entered
Air cleaner 8 is connected with the piston upper chamber of air valve 16, two groups of gas circuits are provided between gs-oil separator 4 and intake valve 16；Institute
Stating first group of gas circuit includes plus unloads magnetic valve 5, and pipeline is from the pass-out of gs-oil separator 4 with adding the inlet end of unloading magnetic valve 5 to connect
Connect, by adding the outlet side of unloading magnetic valve 5 to pick out, then be connected to by four-way interface on the valve block of intake valve 16, make to be unloaded by adding
The pipeline that magnetic valve 5 picks out is carried with the gas outlet of intake valve 16 to be connected；Second group of gas circuit includes feather valve 14, pipeline from
The pass-out of gs-oil separator 4 is connected with the air inlet of feather valve 14, and the gas outlet of feather valve 14 is divided into two pipelines, and a pipeline leads to
The gas outlet that four-way interface is connected on the valve block of intake valve 16 with intake valve 16 is crossed to be connected；Another pipeline is connected to and air inlet
The air inlet of valve 16 is connected.
As shown in Fig. 2 preferably described plus unloading magnetic valve 5 loads the He of magnetic valve 51 by the first of interlocking-type in the present embodiment
First off-load magnetic valve 52 forms, and the first loading magnetic valve 51 and the load magnetic valve 52 that subtracts the first are mutual lock controls during use, and one
Individual electric so another dead electricity simultaneously.
As the preferred structure of the present embodiment, the pipeline of first group of gas circuit is provided with pressure-reducing valve 7 and drain valve 8, institute
State pressure-reducing valve 7 to be arranged at the air inlet of magnetic valve, drain valve 8 is arranged on the exit of gs-oil separator, and drain valve is to be used for
In steam pipe system and equipment, condensate, air and other noncondensing gas can be automatically drained out.
As the preferred structure of the present embodiment, an off-loading branch road is set in first group of gas circuit, on the off-loading branch road
Provided with the first off-loading pipeline and the second off-loading pipeline, first pressure tune is respectively equipped with the first off-loading pipeline and the second off-loading pipeline
Valve 12 and second pressure regulating valve 13 are saved, the second electricity is additionally provided with the air inlet of the first pressure regulating valve 12 of the first off-loading pipeline
Magnet valve 11.
As the preferred structure of the present embodiment, minimum pressure valve 9, institute are also associated with the cover plate of the gs-oil separator 4
State minimum pressure valve 9 and be provided with escape pipe, the general 0.4MPA of the Opening pressure of minimum pressure valve 9, preferentially built by minimum pressure valve 9
Circulating pressure needed for vertical lubrication ensures lubrication due to keeping minimum pressure valve opening pressure, this ensure that oil gas mixture with than
More normal speed passes through gs-oil separator.
As the preferred structure of the present embodiment, the side of the gs-oil separator 4 is provided with safety valve 10, system pressure setting
Improper, outlet obstruction or other flow resistances, gs-oil separator cylinder pressure is higher than rated discharge pressure by 10%, and the work of safety valve 10 makes
Pressure is reduced to setting pressure at expulsion.
As the preferred structure of the present embodiment, throttle orifice 15 is provided with the air inlet of the unloading valve 14, unloads He valves 14
Throttle orifice 15 communicates with hydraulic oil, has sub-fraction oil to inject the top of unloading valve 14 by throttle orifice 15 in operation and produces pressure,
Overcome the effect of spring force, convex shoulder is pressed down, block hydraulic oil drain tap, after protection act AST Safety oils lose, throttling
Oil pressure behind hole just pushes up out non-return valve from quickly releasing without pushing back oil pipe line, and spring force is let out convex shoulder toward pull-up, such hydraulic oil
Hydraulic fluid port is switched on, and hydraulic oil is released from pushing back oil pipe rapidly, and porthole is closed rapidly under spring force.
As the preferred structure of the present embodiment, the PLC 3 also includes fault detection module, the PLC
3 connect air-path control system by fault detection module, if air-path control system breaks down, fault detection module is by the failure
Signal is transmitted to PLC 3, PLC 3 is stopped, and anti-locking system damages.
As the preferred structure of the present embodiment, the PLC 3 also includes human-computer interface module, human-computer interface module
The input of the PLC 3 is connected, staff only very can need to easily operate PLC by human-computer interface module
Controller 3, whole operation process are simple and directly perceived.
As shown in Fig. 1~2, operation principle of the invention is：
First, PLC program is required according to actual functional capability, PLC program is imported into PLC 3；Preparation is finished
Afterwards, the PLC that switches on power 3 is realized carries out ECM communications with engine 2；Start button is pressed, PLC 3 provides startup
Instruction, engine 2 start to start；When the rotating speed of engine 2 reaches 800rpm/min, PLC 3 provides opening bypass electricity
Magnet valve is instructed, and bypass is opened, and is set up the internal pressure needed for machine rapidly, when system detectio reaches setting value to internal pressure, can be stood
Horse closes bypass, air compressor machine 1 is maintained the pressure state with balance, and now, engine 2 is in idling mode.Air compressor machine 1
Start button is pressed, PLC 3 provides enabled instruction, and engine 2 starts to start, if not pressing load button now, PLC
Controller 3 can provide the instruction that rotating speed maintains 1350rpm/min；Now, air compressor machine 1 is in off-load state；Loaded when pressing
After button, PLC 3 can provide the instruction that rotating speed rises to maximum speed to engine 2, now, the first loading magnetic valve 51
Electric-opening, the dead electricity of the first off-load magnetic valve 52 close (loading magnetic valve and off-load magnetic valve are mutual lock controls, one it is electric
So another simultaneously dead electricity.) compressed gas from first loading magnetic valve 51 enter intake valve 4 valve opening chamber, intake valve 16
Valve block open, now, compressor head can pull at into one big strand of gas, allow gs-oil separator 4 initial fuel injection pressure in 30 seconds
10bar or so pressure is established, when injection pressure reaches setting value in system detectio to oil tank, resolute meeting loads first
The dead electricity of magnetic valve 51, the first off-load magnetic valve 52 must be electric, and one compressed gas enters the pass valve pocket of intake valve 16, by intake valve 16
Valve block close, now air compressor machine 1 enter off-load state.Compressor by more than act, realize air compressor machine 1 save it is fuel-efficient
Purpose.
When client stops using gas, when the air pressure in gs-oil separator 4 is close to setting pressure, unloading valve 14 is slowly beaten
Open, the gas in gs-oil separator 4 is gradually discharged by intake valve 5, the curved decline of the pressure in gs-oil separator 4, air inlet
Piston stop motion in valve 16, the residual gas in gs-oil separator 4 is emitted.
When client does not have to gas temporarily, the pressure of gs-oil separator 4 rises sharply, now, the off-loading in first group of gas circuit
Pressure-regulating valve on branch road is opened, and is arranged in the air cleaner that gas is quickly discharged on intake valve 16 from gs-oil separator 4
Run out, make the gas pressure in gs-oil separator 4 stable within the scope of setting, avoid because instantaneous pressure changes to gas
Impact caused by pressing element.As the preferred structure of the present embodiment, two gears are provided with the off-loading branch road, one grade and two
Gear (the i.e. one grade branch road for first pressure regulating valve 12, two grades of branch roads for second pressure regulating valve 13), due to the present embodiment
In full-automatic unmanned supervision air compressor machine be mainly used in down-the-hole water drilling rig, one grade mainly suitable for below 200m depth,
When being less than 500m more than 200m, then using two gears, if using two gears always, fuel economy is good without the former.One
Shelves pressure at expulsion is 24bar (i.e. the Opening pressure of first pressure regulating valve), and two gears use 35bar, and (i.e. first pressure is adjusted
Save the Opening pressure of valve), when client does not have to gas, the second solenoid valve 11 on one grade must be electric, and first pressure regulating valve 12 is opened,
Compressed gas enters valve pocket of entering the GATT, and valve block is closed, and air compressor machine enters off-loading state.Two gear operation principles are identical with one grade.
Any failure of the energy of PLC 3 detection device of the present invention, once faulty appearance, can be according to the serious of failure
Grade, sending fault pre-alarming alarm to client, (failure is lighter, does not interfere with normal use, such as excessive discharge temperature but still is pacifying
In gamut, the early warning of fuel oil position remind client timely supplement fuel oil etc.) and protect stopping alarm (such as pressure superelevation, temperature surpass
High, too low alarm of engine water tank water level etc.).
The present invention is rational in infrastructure, ingenious in design, whole air compressor system is monitored by PLC, by temperature
The cooperation of sensor 17 and pressure sensor 18 is spent, (i.e. air compressor machine 3 uses gas to the temperature and pressure of acquisition air compressor system in real time
The size of amount) situation of change, so as to automatically adjust the operating efficiency of air compressor machine by PLC 3, control mode is accurate,
Energy-saving effect is notable, and its power saving rate is reachable
40%~50%.Meanwhile present invention, avoiding the rush of current situation that air compressor machine is subject in frequent open, extend
The service life of system, it is ensured that the use quality of system.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (8)
- A kind of 1. air compressor machine of full-automatic unmanned supervision, it is characterised in that：Including PLC, engine, air compressor machine, oil gas Separator and air-path control system；The PLC connects dc source, and PLC is sequentially connected engine and pneumatics Machine；The input of the air compressor machine is connected with air cleaner by pipeline, and its output end connects gs-oil separator by pipeline； The air-path control system is provided with temperature sensor and pressure sensor, the temperature sensor and pressure sensor with PLC is connected；The air-path control system includes two groups of gas circuits, and first group of gas circuit includes plus unloading magnetic valve, pipe Road, with adding the inlet end of unloading magnetic valve to be connected, by adding the outlet side of unloading magnetic valve to pick out, then leads to from gs-oil separator pass-out Cross four-way interface to be connected on the valve block of intake valve, make with the gas outlet of intake valve to be connected by the pipeline for adding unloading magnetic valve to pick out It is logical；Second group of gas circuit includes feather valve, and pipeline connects from the air inlet of gs-oil separator pass-out and feather valve, feather valve Gas outlet is divided into two pipelines, and a pipeline is connected to the gas outlet phase on the valve block of intake valve with intake valve by four-way interface Connection；Another pipeline is connected to be connected with the air inlet of intake valve.
- 2. the air compressor machine of full-automatic unmanned supervision according to claim 1, it is characterised in that：The PLC includes Fault detection module, the PLC are connected by fault detection module with air-path control system.
- 3. the air compressor machine of full-automatic unmanned supervision according to claim 2, it is characterised in that：The PLC includes Human-computer interface module, human-computer interface module connect the input of the PLC.
- 4. the air compressor machine of full-automatic unmanned supervision according to claim 1, it is characterised in that：It is described plus unloading magnetic valve by Interlocking-type first loading magnetic valve and the first off-load solenoid valve block into.
- 5. the air compressor machine of full-automatic unmanned supervision according to claim 1, it is characterised in that：The pipe of first group of gas circuit Road is provided with pressure-reducing valve and drain valve, and the pressure-reducing valve is arranged at the air inlet of magnetic valve, and drain valve is arranged on Oil-gas Separation The exit of device.
- 6. the air compressor machine of full-automatic unmanned supervision according to claim 5, it is characterised in that：Set in first group of gas circuit One off-loading branch road, the off-loading branch road are provided with the first off-loading pipeline and the second off-loading pipeline.
- 7. the air compressor machine of full-automatic unmanned supervision according to claim 6, it is characterised in that：First off-loading pipeline and second First pressure regulating valve and second pressure regulating valve are respectively equipped with off-loading pipeline, is adjusted in the first pressure of the first off-loading pipeline The air inlet of valve is additionally provided with second solenoid valve.
- 8. the air compressor machine of the full-automatic unmanned supervision according to any one of claim 1 to 7, it is characterised in that：The PLC controls Device processed uses ID-DCU master controllers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610880430.6A CN106286254B (en) | 2016-10-08 | 2016-10-08 | A kind of air compressor machine of full-automatic unmanned supervision |
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| CN201610880430.6A CN106286254B (en) | 2016-10-08 | 2016-10-08 | A kind of air compressor machine of full-automatic unmanned supervision |
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| CN106286254B true CN106286254B (en) | 2018-01-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107559197B (en) * | 2017-09-30 | 2019-10-25 | 湖北特威特动力科技股份有限公司 | A kind of three operating condition multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines |
| CN108930645A (en) * | 2018-08-06 | 2018-12-04 | 广西柳工机械股份有限公司 | Multi-state Diesel Driven air compressor machine |
| JP7384860B2 (en) * | 2021-06-28 | 2023-11-21 | 本田技研工業株式会社 | Depressurization system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5114315A (en) * | 1989-03-02 | 1992-05-19 | Wabco Westinghouse Fahrzeugbremsen Gmbh | Clutch control system for an air compressor |
| DE102006023728A1 (en) * | 2006-05-19 | 2007-11-29 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Compressed air supply device for a commercial vehicle |
| CN202707499U (en) * | 2012-06-20 | 2013-01-30 | 湖北特威特动力科技有限公司 | Automatic operation control system of compressor |
| CN203023056U (en) * | 2013-01-11 | 2013-06-26 | 成都倍特药业有限公司 | Air compressor |
| CN204663896U (en) * | 2014-12-31 | 2015-09-23 | 深圳市冠瑞达能源装备有限公司 | A kind of pneumatic control system of natural gas screw compressor |
| CN204493160U (en) * | 2015-03-25 | 2015-07-22 | 厦门能控自动化科技有限公司 | Air compressor intelligent frequency-conversion energy-saving control system |
| CN204703758U (en) * | 2015-06-04 | 2015-10-14 | 四川吉赛特科技有限公司 | A kind of air compression system of rig |
| CN104948438A (en) * | 2015-07-14 | 2015-09-30 | 潍柴动力股份有限公司 | Control device of air compressor |
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