A kind of electropneumatic booster pump
Technical field
The utility model belongs to pneumatic machinery field, is related to a kind of electropneumatic booster pump.
Background technology
Traditional, pneumatic booster pump is a kind of piston type booster pump using compressed air as power source at present, by cylinder, piston,
The compositions such as piston rod, various mandrils, spool, triple valve, check valve, inlet and outlet nozzle.The spool of booster pump Pneumatic valve when air inlet
Reciprocal switch operating, control supercharging pump piston make reciprocating action at a terrific speed, and supercharging reaches goal pressure.Although this gas
The dynamic pump that increases without power supply and automatically controlled, but can only multiple supercharging, low there are control accuracy, complicated, shape is huge, machinery therefore
Barrier is more, the problems such as manufacture cost height.
The content of the invention
The utility model for tradition increase pump can only multiple supercharging, low there are control accuracy, complicated, shape is huge
Greatly, mechanical breakdown is more, and the problems such as manufacture cost height propose a kind of new electropneumatic booster pump.
In order to achieve the above object, the utility model is realized using following technical solutions:
A kind of electropneumatic booster pump, including booster pump body, booster pump body includes electric-control system, unidirectional valve group, gas
Cylinder body and the piston and piston rod being arranged inside cylinder block, electric-control system include electronic pressure controller, solenoid valve, gas
Cylinder magnetic switch, the piston include left piston and right piston and are connected as a single entity by piston rod, cylinder block and left piston, right work
Plug four gas chambers of composition, two adjacent air cells of inside are connected for supercharging gas chamber and with unidirectional valve group, and outside 2 air chambers are driving gas
Room is simultaneously connected with solenoid valve;Left and right piston is separately installed with plunger magnetic ring, and cylinder magnetic switch is mounted on living on the outside of cylinder block
Fill in the final position of movement;Cylinder magnetic switch one end is connected with plunger magnetic ring magnetism, the other end and electronic pressure controller electricity
Property connection, the electronic pressure controller other end and solenoid valve are electrically connected.
Preferably, the booster pump body further includes muffler, muffler is connected with solenoid valve gas vent.
Preferably, muffler quantity is 2, the solenoid valve is to seal formula solenoid valve, electromagnetism in double automatically controlled 3 position-5 ways
Five ports of valve connect air inlet pipe, two driving gas chambers and two mufflers respectively.
Preferably, the unidirectional valve group includes four check valves, air inlet pipe, two supercharging gas chambers are connected respectively and are gone out
Tracheae.
The electropneumatic booster pump maximum boost ability of the utility model is to promote area and supercharging by driving gas chamber piston
Gas chamber piston promotes area ratio to determine.Booster pump maximum gas deliverability is by gas chamber piston volume to be promoted to determine.Electron pressure
Controller may be implemented in progress output pressure step-less adjustment between bleed pressure and maximum pressure boost.It is high with control accuracy,
The advantages such as simple in structure, installation space is small, and manufacture cost is low.
Compared with prior art, it is the advantages of the utility model with good effect:
The utility model use electronic pressure controller and solenoid valve control Pneumatic booster process, can stepless voltage regulation, control
Precision is high, and simple in structure, installation space is small, and manufacture is at low cost.This electropneumatic booster pump can be applied to mechanical-pneumatic supercharging
All purposes of pump.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Each reference numeral is:1 cylinder block, 2 right pistons, 3 piston rods, 4 left pistons, 5 cylinder magnetic switch, 6 piston magnetics
Ring, 7 unidirectional valve groups, 8 electronic pressure controllers, 9 solenoid valves, 10 mufflers, 11 air inlet pipe, 12 air outlet pipes.
Specific embodiment
In order to be more clearly understood that the above-mentioned purpose of the utility model, feature and advantage, with reference to specific implementation
Example is described further the utility model.It should be noted that in the case where there is no conflict, embodiments herein and implementation
Feature in example can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to implement using different from other modes described here, therefore, the utility model is not limited to be described below
The limitation of the specific embodiment of specification.
Embodiment 1, the present embodiment provides the concrete structure of electropneumatic booster pump, including booster pump body, booster pump sheet
Body includes electric-control system, unidirectional valve group 7, cylinder block 1 and the piston being arranged inside cylinder block 1 and piston rod 3.Piston bag
Left piston 4 and right piston 2 are included, and passes through piston rod 3 and links into an integrated entity.Left and right piston is respectively installed with the plunger magnetic ring of annular
6, it is respectively designated as left piston magnet ring and right piston magnet ring.Electric-control system includes electronic pressure controller 8, solenoid valve 9, cylinder magnetic
Property switch 5.Cylinder block 1 and left piston 4, right piston 2 form four gas chambers, two adjacent air cells of inside for supercharging gas chamber and with it is unidirectional
Valve group 7 is connected, and outside 2 air chambers are connected for driving gas chamber and with solenoid valve 9.Specifically, symmetrical two adjacent air cells are
Left and right supercharging gas chamber, symmetrical two outside gas chambers are left and right driving gas chamber, and respectively there are one stomata, left and right supercharging gas chambers for each gas chamber
Stomata couples unidirectional valve group 7, left and right driving gas chamber stomata connection solenoid valve 9.Cylinder magnetic switch 5 is mounted on 1 outside of cylinder block
The final position of piston motion;5 one end of cylinder magnetic switch is connected with 6 magnetism of plunger magnetic ring, and the other end is controlled with electron pressure
Device 8 is electrically connected, and 8 other end of electronic pressure controller is electrically connected with solenoid valve 9.Two be connected with electronic pressure controller 8
A or so magnetic switch is separately mounted to the corresponding left and right piston motion final position in 1 outside of cylinder block, when piston motion is to accordingly
During 5 location point of magnetic switch, plunger magnetic ring 6 triggers magnetic switch 5 and opens, and signal is fed back to electronic pressure controller 8, by
Pass through double electric control solenoid valves 9 switching supply to left and right driving gas chamber after the processing of electronic pressure controller 8.Left and right driving gas chamber switching
Work after driving left and right supercharging gas chamber gas boosting, is exported, target goal container by unidirectional valve group 7.
In order to reduce noise when electropneumatic increases pump work, booster pump body is also equipped with muffler 10, muffler
10 are connected with the gas vent of solenoid valve 9.10 quantity of muffler is 2, is connected respectively with two gas vents of solenoid valve 9.Electricity
Magnet valve 9 is that formula solenoid valve is sealed in double automatically controlled 3 position-5 ways, and five ports of solenoid valve 9 connect 11, two driving gas of air inlet pipe respectively
Room and two mufflers 10.Unidirectional valve group 7 includes four check valves, connect respectively 11, two supercharging gas chambers of air inlet pipe and
Air outlet pipe 12.
Electropneumatic booster pump maximum boost ability is by driving gas chamber piston area and supercharging gas chamber piston to be promoted to promote
Area ratio determines.Booster pump maximum gas deliverability is by gas chamber piston volume to be promoted to determine.Electronic pressure controller 8 can be realized
Output pressure step-less adjustment is carried out between bleed pressure and maximum pressure boost.It is high with control accuracy, simple in structure, installation
The advantages such as space is small, and manufacture cost is low.
Specific work process is:Power supply is connected with source of the gas first, source of the gas is pressurized by air inlet pipe 11 automatically into left and right
Gas chamber.Electronic pressure controller 8 detects whether 12 air pressure of air outlet pipe reaches goal pressure first.If less than goal pressure, electricity
Sub- pressure controller 8 is powered to solenoid valve 9, and acquiescence is connected in right logical position, the stomata P-A of solenoid valve 9 after solenoid valve 9 is powered,
Stomata B-R is connected, and source of the gas enters right driving gas chamber.Under bleed pressure promotion, right piston 2 and left piston 4 are to left movement, right increasing
Plenum chamber gas boosting, left driving gas chamber gas exhaust.When left piston 4 is pushed to whole journey, left piston magnet ring triggers left magnetism and opens
It closes and opens, and signal is fed back into electronic pressure controller 8, pass through double electric control solenoid valves after being handled by electronic pressure controller 8
Switching gas circuit.At this point, solenoid valve 9 is in left logical position, the stomata P-B of solenoid valve 9 is connected, and stomata A-S is connected, and source of the gas enters left drive
It takes offence room.Under bleed pressure promotion, right piston 2 and left piston 4 move right, left supercharging gas chamber gas boosting, right driving gas
Room gas exhaust.When right piston 2 is pushed to whole journey, right piston magnet ring triggers right magnetic switch and opens, and signal is fed back to electricity
Sub- pressure controller 8 passes through double electric control solenoid valves switching gas circuit again after being handled by electronic pressure controller 8.It so returns and cuts again
It changes, target container is continuously pressurized.When reaching goal pressure, the pressure sensor sensing of electronic pressure controller 8, to solenoid valve
9 power-off, solenoid valve 9 are resetted after powering off in middle envelope position.Left and right driving gas chamber is died simultaneously, and booster pump is stopped.If mesh
Container gas is marked, when goal pressure is not achieved in air pressure, the pressure sensor sensing of electronic pressure controller 8, turn on automatically electromagnetism
Valve 9, Pneumatic booster pump is resumed work, and supercharging again reaches goal pressure.For super high pressure-charging requirement, driving gas can be increased
Room piston promotes area and supercharging gas chamber piston to promote area ratio adjustment.For big flow requirement, can be used according to unit
Tolerance increases chamber volume and is adjusted.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation is applied to other fields, but every without departing from the content of the technical scheme of the utility model, according to this reality
Any simple modification, equivalent variations and the remodeling made with new technical spirit to above example, it is new to still fall within this practicality
The protection domain of type technical solution.