CN107559197A - A kind of three operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines - Google Patents
A kind of three operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines Download PDFInfo
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- CN107559197A CN107559197A CN201710924409.6A CN201710924409A CN107559197A CN 107559197 A CN107559197 A CN 107559197A CN 201710924409 A CN201710924409 A CN 201710924409A CN 107559197 A CN107559197 A CN 107559197A
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Abstract
The invention discloses a kind of three operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines, including PLC, diesel engine, screw air compressing main frame, gs-oil separator and air-path control system；The PLC connects dc source, and PLC is sequentially connected diesel engine and screw air compressing main frame；The input of the screw air compressing main frame is connected by air inlet valve module with air cleaner, and its output end is connected with gs-oil separator；The air inlet valve module and gs-oil separator are connected with air-path control system.Three operating modes multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machine of the present invention realizes a machine three-use, or even a tractor serves several purposes, reduces the purchase machine cost of user, improves efficiency of construction.
Description
Technical field
The present invention relates to air compressor machine technical field, more particularly to a kind of three operating mode multifunctional mobile exhaust end base of oil injection threaded bolt pneumatics
Machine.
Background technology
In current compressor control field, the control mode and type on control system are more, automatically control,
Also there is Mechanical course.Automatically control and be generally used for operating mode ideal, AC DC electric resources are abundant, and low blast and low tolerance are consolidated
Fixed pattern electric air compressor；And Mechanical course is then mainly used in that use environment is harsh, it is only capable of providing the outdoor work of direct current
The control system of journey screw air compressor.
The control system automatically controlled, PLC program is read using controller, controls the co-ordination of each electric elements,
This control mode, simple in construction, easy to operate, automaticity is high, fast response time, in fixing type electric air compressor machine industry
It is with the obvious advantage.But this structure is related to many electronic valve members and circuit, and the requirement to protection is higher, if applied in family
The field of air compressor of outer engineering construction, fault rate is higher, and maintenance cost is also very big.
The control system of Mechanical course, the work of valve member being controlled using gas circuit, cost is low, easy care, but complicated,
Pipeline is more, and trouble point is more, and response speed is slow during work.
But above two structure is difficult to meet construction environment to different pressures and air quantity simultaneously in air compressor machine application
Demand.
The content of the invention
The drawbacks of it is an object of the invention to overcome above two control mode to exist, with reference to the excellent of two kinds of control modes
Point, there is provided a kind of mounting structure is simple, and good reliability and fast response time simultaneously can be by the integrated one kind of a variety of applying working conditions
Three operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines.
The present invention is that solve above-mentioned technical problem by following technical proposals：
A kind of three operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines, including PLC, diesel engine, screw rod are empty
Press main frame, gs-oil separator and air-path control system；The PLC connects dc source, and PLC is sequentially connected bavin
Oil turbine and screw air compressing main frame；The input of the screw air compressing main frame is connected by air inlet valve module with air cleaner
Connect, its output end is connected with gs-oil separator；The air inlet valve module and gs-oil separator are connected with air-path control system
Connect.
Preferably, the air inlet valve module include intake valve, bleeder valve, engine governed speed cylinder air inlet, it is described enter
The air inlet of air valve is connected with air cleaner, and the gas outlet of intake valve is connected with bleeder valve, the engine governed speed cylinder
Air inlet is connected with bleeder valve, and the engine governed speed cylinder air inlet and bleeder valve are connected with air-path control system.
Preferably, be provided with mass air flow sensor at the air inlet of the intake valve, the intake valve and air cleaner it
Between the dirty stifled alarm of air filter is installed, the dirty stifled alarm of mass air flow sensor and air filter is connected with PLC.
Preferably, engine governed speed sensor, the engine are installed on the engine governed speed cylinder air inlet
Speed governing sensor is connected with PLC.
Preferably, oil return is provided with the oil returning tube of the screw air compressing main frame and gs-oil separator blocks alarm
Device, the oil return blocking warner are electrically connected with PLC.
Preferably, the air-path control system includes three groups of gas circuits, first group of gas circuit includes the 4th magnetic valve, gas
Road is entered in intake valve air inlet valve module from gs-oil separator by the 4th magnetic valve；Second group of gas circuit includes aqueous vapor mistake
Filter and pressure regulator valve, the pipeline are connected with aqueous vapor filter and pressure regulator valve from gs-oil separator pass-out, entered by pressure regulator valve
To engine governed speed cylinder air inlet and bleeder valve control gas entrance；The 3rd group of gas circuit is that oil water separator is straight by pipeline
Connect and be connected with bleeder valve air pressure bleed outlet.
Preferably, second group of gas circuit is provided with three branches, a pressure regulation is mounted in each branch
Valve, engine speed and pressure unloading corresponding to three pressure regulator valves differ, and three pressure regulator valves are and intake valve
On bleeder valve connection.
Preferably, the front end of the two of which of three pressure regulator valves is respectively provided with a normally closed solenoid valve, institute respectively
Normally closed solenoid valve is stated with even PLC to be connected.
The present invention has the advantages that compared with prior art：
1st, present invention employs three operating modes technology in parallel, a machine three-use, or even a tractor serves several purposes is realized, reduces user
Purchase machine cost, improve efficiency of construction.
2nd, the present invention is by being provided with the dirty stifled alarm of air filter, the dirty stifled report of air filter between the intake valve and air cleaner
Alert device uses buzzing alarm technique instead of the alarm technique based on differential pressure indicator and differential pressure pickup on the market, to make pneumatics
The use of machine is more stable, reduces the badly damaged risk of unit, saves the cost of the unit maintenance maintenance of user, because
Differential pressure indicator is simple in construction, reliable and stable, but not directly perceived, it is necessary to artificially observe, and operator easily neglects, not too much in fact
With；Differential pressure pickup fast response time, data are accurate, and user can be clear that fault alarm, but this mode price is held high
It is expensive, need to connect light current during use, cabling and safeguard cumbersome, be easily out of order.
3rd, the present invention installs oil return blocking warner in return line, and oil return blocking warner blocks buzzing alarm using oil
Technology, make the use of air compressor machine more stable, reduce the badly damaged risk of unit, save the unit maintenance maintenance of user
Cost because return line is dirty stifled, the separative efficiency of oil gas can be had a strong impact on, cause substantial amounts of screw rod oil stream to be lost, compressed gas
Body oil content is big, and the hidden danger of high temperature occurs in screw compression host machine.
4th, introduced in the present invention shut down automatic evacuation and water discharge technology come replace manual drainage used in the industry at present and
Timing automatic water discharge technology, because either manual drainage or timing automatic draining all be present：Manual drainage needs
Very important person regularly discharges water for active, cumbersome, and waterproof valve hand switch repeatedly, fragile；Timing automatic draining is
Under unit working condition, passage time relay and magnetic valve collective effect, to discharge a water, but this at regular intervals
Kind mode can cause the loss of tolerance and the fluctuation of system pressure；It can accelerate oil by shutting down automatic evacuation and water discharge technology
The shutdown emptying speed of gas tank, improves the automaticity of unit, realizes unattended duty, extend carbonated drink filter uses the longevity
The reliability of life and unit gas circuit control performance.
Brief description of the drawings
Fig. 1 is the structural framing figure of three operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines of the invention；
Fig. 2 is intake valve modular construction composition schematic diagram of the present invention；
Fig. 3 is that three operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines of the invention obtain control system schematic diagram.
Shown in figure：1st, intake valve, 2, the dirty stifled alarm of air filter, 3, mass air flow sensor, 4, engine governed speed sensor, 5,
Engine governed speed cylinder air inlet, 6, bleeder valve air pressure bleed outlet, 7, bleeder valve control gas entrance, 8, bleeder valve, 9, air mistake
Filter, 10, screw compression host machine, 11, oil return blocking warner, 12, pressure regulator valve, 12-1, the first pressure regulator valve, 12-2, second are adjusted
Pressure valve, 12-3, the 3rd pressure regulator valve, 13, normally closed solenoid valve, 13-1, the first normally closed solenoid valve, 13-2, the second normally closed type electricity
Magnet valve, 13-3, the 3rd normally closed solenoid valve, 13-4, the 4th normally closed solenoid valve, 14, air water filter, 15, gs-oil separator,
16th, throttle orifice, 17, PLC, 18, diesel engine.
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 Figures 1 to 3, the embodiment of the present invention provides a kind of three operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines, bag
Include PLC 17, diesel engine 18, screw air compressing main frame 10, gs-oil separator 15 and air-path control system；The PLC
Controller 17 connects dc source, and PLC 17 is sequentially connected diesel engine 18 and screw air compressing main frame 10；The screw rod
The input of pneumatics main frame 10 is connected by air inlet valve module with air cleaner 9, its output end and the phase of gs-oil separator 15
Connection；The air inlet valve module and gs-oil separator 15 are connected with air-path control system.
Referring to shown in Fig. 2 to 3, air inlet valve module of the present invention includes intake valve 1, the dirty stifled alarm 2 of air filter, air
Flowmeter 3, engine governed speed sensor 4, engine governed speed cylinder air inlet 5, bleeder valve air pressure bleed outlet 6 and bleeder valve control
Gas entrance 7.The air inlet of intake valve 1 and the air cleaner 9 of front end connect, and the gas outlet of intake valve 1 is connected with bleeder valve 8
Connect, the engine governed speed cylinder air inlet 5 is connected with bleeder valve 8, the engine governed speed cylinder air inlet 5 and bleeder valve 8
It is connected with air-path control system.Air inlet valve module and the air cleaner of front end 9 connect, and constitute control system intake section
The basis divided.Air inlet valve module and helical-lobe compressor 10 below, constitute the main body of gas handling system.
Referring to shown in Fig. 1 to 3, being provided with mass air flow sensor 3, the intake valve 1 and air at the air inlet of the intake valve 1
Air filter dirty stifled alarm 2 is installed, the dirty stifled alarm 2 of mass air flow sensor 3 and air filter controls with PLC between filter 9
Device 17 is connected.The dirty stifled alarm 2 of air filter makes the use of air compressor machine more stable, reduces the badly damaged risk of unit, section
The cost of the unit maintenance maintenance of user is saved.Engine governed speed sensing is installed on the engine governed speed cylinder air inlet 5
Device 4, the engine governed speed sensor 4 are connected with PLC 17.Engine governed speed sensor 4 is the displacement of cylinder driving
Sensor, stroke is bigger, and rotating speed is lower, and control engine governed speed cylinder air inlet 5 connects with the outlet of pressure regulator valve 12.The screw rod
Pneumatics main frame 10 on the oil returning tube of gs-oil separator 15 with being provided with oil return blocking warner 11, the oil return blocking warner
11 are electrically connected with PLC 17.
Bleeder valve 8 and external three pressure regulator valves 12 (i.e. the first pressure regulator valve 12-1, the second pressure regulator valve 12- on intake valve 1
2 and the 3rd pressure regulator valve 12-3) connection, and pressure regulator valve 12 is used for controlling the unlatching size of intake valve 1, and exhaust outlet of compressor
Pressure size.Before pressure regulator valve 12, setting two normally closed solenoid valves 13 altogether, (i.e. the second normally closed solenoid valve 13-2 and the 3rd is normal
Enclosed magnetic valve 13-3), the executive component as change working.Magnetic valve 13 connects machine set PLC controller 17 and is used for controlling three
Some in individual pressure regulator valve (i.e. the first pressure regulator valve 12-1, the second pressure regulator valve 12-2 and the 3rd pressure regulator valve 12-3) plays work
With.Engine speed and pressure unloading corresponding to three pressure regulator valves 12 differ, and user can be according to the actual demand of oneself
Suitable air quantity and pressure are selected, realizes a machine three-use.Bleeder valve 8 on intake valve 1 controls engine governed speed cylinder air inlet 5
Export and connect with pressure regulator valve 12, bleeder valve air pressure bleed outlet 6 is connected with especially separator 15, the outlet of bleeder valve air pressure bleed outlet
Straight-through bleeder valve air pressure bleed outlet 9, plays blowback bleeder valve air pressure bleed outlet 9, delays dirty stifled effect.Wherein, air mass flow
Meter 3 is plug-in type mass air flow sensor, by front and rear pressure differential of popping one's head in, is converted into voltage signal, passes to PLC 17,
Real-time air flow value is shown, it is connected on the porch of intake valve 1, and automatically controlled circuit is connected with PLC 17.It is further excellent
Change, the dirty stifled alarm 2 of air filter is combined by a negative pressure inductor and buzzer.When negative pressure value is less than some setting value
When, negative pressure understands the valve block in adhesive inductor, connects buzzer circuit, buzzer warning.Oil return blocking warner 11 and sky
Filter that the dirty structure of stifled alarm 2 is similar, be connected to screw compression host machine 10 with the oil returning tube before gs-oil separator 15.Work as oil
When the oil return of gas separating device 15 is smooth, 0.2MPa or so pressure is had in pipeline, oil return blocking warner does not work.When oil gas point
When being blocked from the throttle orifice 16 between device 15, due to being negative pressure in compression main frame, the valve block in meeting adhesive inductor, make honeybee
The device that rings is alarmed.
The present invention operation principle be：
As shown in Fig. 2 to 3, idling mode, when unit, which is started shooting, to be run, diesel engine 18 is PLC in rotating speed
Operated under the idling of 17 settings, screw compression host machine 10 is started working, and air is entered in intake valve 1 from air cleaner 9.When
When unit internal pressure is not reaching to 0.5MPa, the 4th magnetic valve 13-4 is opened, and gas circuit passes through air water mistake from gs-oil separator 15
Filter 14 enters the bleeder valve 8 on intake valve 1 and controlled in entrance 7, and bleeder valve 8 acts, and unit air inflow and the amount of releasing are basic
Balance is maintained, system internal pressure can be slowly raised to the idling pressure of the setting of PLC 17.
As shown in Fig. 2 to 3, working condition, when system internal pressure reaches 0.5MPa, PLC 17 is set by PLC
Program, the 4th magnetic valve 13-4 is closed, while set under the rotating speed of diesel engine 18 is lifted to current working rapidly
Highest working speed, unit enter stress state.In the present embodiment, the operating pressure that the first pressure regulator valve 12-1 is set as
3.5MPa, to meet that unit air quantity is 38m3/ min, it is most rational to utilize the power output of diesel engine 18, corresponding diesel oil hair
The speed setting of motivation 18 is 1800rpm；The operating pressure that second pressure regulator valve 12-2 is set is 3.0MPa, to meet that unit air quantity is
40m3/ min, the power output of diesel engine 18 reasonably most is utilized, the corresponding speed setting of diesel engine 18 is
1850rpm；The operating pressure that 3rd pressure regulator valve 12-3 is set is 2.4MPa, to meet that unit air quantity is 43m3/ min, most rationally
Utilize the power output of diesel engine 18, the corresponding speed setting of diesel engine 18 is 1900rpm.
When unit is giving tacit consent to gear work aerogenesis, second solenoid valve 13-2, the 3rd magnetic valve 13-3, the 4th magnetic valve
13-4 is powered off and is not turned on, and the aerogenesis parameter of unit is 3.5MPa-38m3.When client's construction environment changes, it is necessary to adjust
When operating mode, unit by the low air quantity Operating condition adjustment of high pressure are low-pressure high air quantity, it is only necessary to by control panel (not shown)
Gear key (not shown) switches to II or III grade from I grade.Now, second solenoid valve 13-2 or the 3rd magnetic valve 13-3 is obtained electric, by
Off-state is changed into conducting state.
Unloading condition, when unit pressure reaches the pressure value of the setting of pressure regulator valve 12, pressure regulator valve 12 is changed into from closed mode
Conducting state, engine governed speed sensor 4 increase in the boosting down stroke of cylinder, and engine speed declines.Meanwhile pressure regulator valve 12
The air pressure of outlet can be led at the control end entrance 7 of bleeder valve 8, and bleeder valve is started working.
When pressure regulator valve 12 is when reaching maximum, the amount of releasing of bleeder valve also reaches maximum, and now the valve block of intake valve is complete
Contract fully, unit enter unloading condition, and the rotating speed of engine enters idling mode, and the pressure in oil gas tank maintains pressure regulator valve
Set pressure.
Stopped status, when unit is stopped using, then unit is shut down after cooling first continually and steadily in idling mode.
After shutdown, the first magnetic valve 13-1 is opened after postponing three seconds, the residual gas row in the water and oil gas tank in moisture trap 14
Go out to beyond unit, the automatic dead electricity closures of the first magnetic valve 13-1, these processes pass through PLC by PLC 17 after 1 minute
Program is completed.In addition, bleeder valve 8 is automatically turned on due to the effect of the pressure of screw compression host machine 10, will be residual inside machine set system
Residual air body quick-discharging is to air filter mouth.
Unit continuous service under bad working environments, the air cleaner 9 of screw compression host machine 10 can occur quickly it is dirty stifled, such as
Fruit can not learn and handle in time, and the service efficiency of unit can drastically reduce, oil consumption increase, the damage of admission line compressive deformation.
The dirty stifled alarm 2 of air filter in embodiment, is connected in the valve pocket of intake valve with G1/4 pipe screw thread, utilizes high-ductility
Property compression spring and annular seal space, acted on by the adhesive of internal negative pressure, realize the energization of buzzer siren, play warning user and
When the effect maintained, safely and effectively, cost is cheap.When air filter clear up complete or change filter core after, negative pressure disappear, alarm due to
The effect of spring force, automatic rebounding, buzzing alarm release.Oil return clogging sensor 11 in embodiment, with G1/4 pipe screw thread
It is connected to and has in pipeline, using high tenacity compression spring and annular seal space, is acted on by the adhesive of internal negative pressure, realize buzzing report
The energization of alert device, play a part of warning user to clear up smart point oil pick-up tube and return line in time, safely and effectively, cost is cheap.
After the completion of oil returning tube cleaning, negative pressure disappears, and alarm is due to the effect of spring force, automatic rebounding, buzzing alarm release.
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. three operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines, it is characterised in that：Including PLC, diesel engine Machine, screw air compressing main frame, gs-oil separator and air-path control system；The PLC connects dc source, PLC It is sequentially connected diesel engine and screw air compressing main frame；The input of the screw air compressing main frame passes through air inlet valve module and air Filter is connected, and its output end is connected with gs-oil separator；The air inlet valve module and gs-oil separator with gas circuit control System processed is connected.
- 2. three operating modes multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machine according to claim 1, it is characterised in that：The air inlet Valve module includes intake valve, bleeder valve, engine governed speed cylinder air inlet, and air inlet and the air cleaner of the intake valve connect Connect, the gas outlet of intake valve is connected with bleeder valve, and the engine governed speed cylinder air inlet is connected with bleeder valve, described to start Machine speed governing cylinder air inlet and bleeder valve are connected with air-path control system.
- 3. three described operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines according to claim 2, it is characterised in that：Institute State and mass air flow sensor is provided with the air inlet of intake valve, air filter dirty stifled alarm is installed between the intake valve and air cleaner Device, the dirty stifled alarm of mass air flow sensor and air filter are connected with PLC.
- 4. the three described operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines according to Claims 2 or 3, its feature exist In：Engine governed speed sensor, the engine governed speed sensor and PLC are installed on the engine governed speed cylinder air inlet Controller is connected.
- 5. three described operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines according to claim 1 or 2, its feature exist In：Oil return blocking warner is installed, the oil return blocks on the oil returning tube of the screw air compressing main frame and gs-oil separator Alarm is electrically connected with PLC.
- 6. three described operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines according to claim 1, it is characterised in that：Institute Stating air-path control system includes three groups of gas circuits, and first group of gas circuit includes the 4th magnetic valve, and gas circuit is passed through from gs-oil separator 4th magnetic valve is entered in intake valve air inlet valve module；Second group of gas circuit includes aqueous vapor filter and pressure regulator valve, described Pipeline is connected from gs-oil separator pass-out with aqueous vapor filter and pressure regulator valve, and entering engine governed speed cylinder by pressure regulator valve enters Gas port and bleeder valve control gas entrance；The 3rd group of gas circuit is that oil water separator is directly released by pipeline with bleeder valve air pressure Mouth is connected.
- 7. three described operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines according to claim 6, it is characterised in that：Institute State second group of gas circuit and be provided with three branches, be mounted on a pressure regulator valve in each branch, corresponding to three pressure regulator valves Engine speed and pressure unloading differ, and three pressure regulator valves are connected with the bleeder valve on intake valve.
- 8. three described operating mode multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines according to claim 7, it is characterised in that：Three The front end of the two of which of the individual pressure regulator valve is respectively provided with a normally closed solenoid valve respectively, and the normally closed solenoid valve is with connecting PLC is connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924409.6A CN107559197B (en) | 2017-09-30 | 2017-09-30 | A kind of three operating condition multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924409.6A CN107559197B (en) | 2017-09-30 | 2017-09-30 | A kind of three operating condition multifunctional mobile exhaust end base of oil injection threaded bolt air compressor machines |
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| CN107559197A true CN107559197A (en) | 2018-01-09 |
| CN107559197B CN107559197B (en) | 2019-10-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576490A (en) * | 2020-11-27 | 2021-03-30 | 苏州寿力气体设备有限公司 | Control method and device for mobile air compressor |
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| CN206129538U (en) * | 2016-10-31 | 2017-04-26 | 萨震压缩机（上海）有限公司 | Air compressor machine lubricating oil system of two oil filter automatic switch -overs |
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| JPS59110895A (en) * | 1982-12-15 | 1984-06-26 | Iwata Tosouki Kogyo Kk | Operation controller for oil-cool rotary compressor |
| EP0684385B1 (en) * | 1994-03-30 | 1998-01-07 | Hoerbiger Ventilwerke Aktiengesellschaft | Compressor with pressure reducing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112576490A (en) * | 2020-11-27 | 2021-03-30 | 苏州寿力气体设备有限公司 | Control method and device for mobile air compressor |
| CN112576490B (en) * | 2020-11-27 | 2023-02-17 | 苏州寿力气体设备有限公司 | Control method and device for mobile air compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107559197B (en) | 2019-10-25 |
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