CN205478250U - A control system for diaphragm pump - Google Patents
A control system for diaphragm pump Download PDFInfo
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- CN205478250U CN205478250U CN201521135152.9U CN201521135152U CN205478250U CN 205478250 U CN205478250 U CN 205478250U CN 201521135152 U CN201521135152 U CN 201521135152U CN 205478250 U CN205478250 U CN 205478250U
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Abstract
The utility model relates to a control system for diaphragm pump, include propulsion oil pump (3), energy storage ware (4), benefit vent valve subassembly (9) and the hydro -cylinder that connect gradually through the pipeline, propulsion oil pump (3) still through filling valve (1) and the outside oil line connection that gives, benefit vent valve subassembly (9) including filling oil valve (92) and vent valve (91) that set up side by side, the one end of filling oil valve (92) and vent valve (91) be connected with energy storage ware (4) through mending the oil pipe way and arranging the oil pipe way respectively, main valve mouth (8) of hydro -cylinder are all put through to the other end through the tube coupling, row oil pipe way still be equipped with oil extraction stop valve (6) between vent valve (91) and energy storage ware (4), three way connection (7) of being connected outside pipeline still are equipped with at oil extraction stop valve (6) and vent valve (91). Compared with the prior art, the utility model has the advantages of operation degree of automation is high, the oily oil extraction process control of benefit is stable, and the accuracy is high.
Description
Technical field
This utility model relates to a kind of control system, especially relates to a kind of control system for membrane pump.
Background technology
Membrane pump is the reciprocating pump that a kind of special conveying contains granule medium, it is the product that collection is mechanical, electrical, instrument is integrated, pump is driven toggle in power end by mair motor by gear reduction unit, and rotary motion becomes linear motion, drives piston reciprocating.Piston makes barrier film make concavo-convex motion by oil medium, and the volume making barrier film contain makees cyclically-varying.Thus complete the conveying of slurry.Barrier film in chamber of septum is membrane pump vital part, the most important thing, the most large-scale barrier film, the accuracy of its material and curve shape and benefit oil extraction signal is the principal element determining membrane life, and then be also the key factor directly affecting equipment operation reliability, directly affect its economic benefit for a user.Thus in order to prevent barrier film excessive deformation, needing, a set of diaphragm Travel Control System is set hydraulic oil in diaphragm cavity is carried out normal repairing and oil extraction control.
Utility model content
Defect that the purpose of this utility model is contemplated to overcome above-mentioned prior art to exist and a kind of control system for membrane pump is provided.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of control system for membrane pump, including the propelling oil pump being sequentially connected with by pipeline, accumulator, mend draining valve assembly and oil cylinder, described propelling oil pump is connected with outside oil supply pipeline also by inlet valve, described mends Fill valve and the draining valve that draining valve assembly includes being arranged side by side, described Fill valve and one end of draining valve are connected with accumulator by repairing pipeline and drain line respectively, the other end all connects the primary valve connecting oil cylinder by pipeline, described drain line is additionally provided with oil extraction stop valve between draining valve and accumulator, it is additionally provided with the three way cock being connected exterior line with draining valve at oil extraction stop valve.
Described Fill valve and draining valve are two position two-way valve, and described draining valve assembly of mending also includes the two position three-way valve of the switch for controlling Fill valve and draining valve, and this two position three-way valve connects PLC system.
Described two position three-way valve connects Fill valve and draining valve by repairing pneumatic control circuit and oil extraction pneumatic control circuit respectively, and described two position three-way valve is also connected with external compression air pipe line.
Being additionally provided with intake valve on described external compression air pipe line, this intake valve connects air compressor machine, is additionally provided with the air filter for purification of compressed air between intake valve and air compressor machine.Owing to whole system pipeline is all placed in outside barrier film pump chamber, it is easy in compressed air be mixed into oil, water and other molecule impurity, and then affect the accuracy that the spool in two position two-way valve switches, and by arranging air filter, these impurity can be removed easily, thus prevent the commutation of the spool to two position two-way valve from impacting.
Being additionally provided with the second pressure controller between described air compressor machine and air filter, this second pressure controller is all connected with PLC system with air compressor machine.Feedback control system by the second pressure controller, air compressor machine and PLC system composition, it is ensured that the compressed-air actuated minimum operating pressure of air compressor machine conveying.
Described accumulator and mending is additionally provided with the first pressure controller of operating pressure in control system pipeline between draining valve assembly, and this first pressure controller is all connected with PLC system with propelling oil pump.When the pressure in system pipeline is less than certain value, the first pressure controller i.e. feeds back signal to PLC system, and then controls to start propelling oil pump, and system pipeline supplements the operating pressure that must be kept.
It is additionally provided with bitubular oil filter between described propelling oil pump and inlet valve.By impurity such as the gases that bitubular oil filter can effectively be discharged in intrasystem oil, in preventing system pipeline, there is the phenomenons such as pipeline idle running.
Outside oil supply pipeline of the present utility model is toward oil supply in control system pipeline, now two position three-way valve is at initial station, repairing pneumatic control circuit and oil extraction pneumatic control circuit are all opened, and then lock Fill valve and draining valve, inlet valve is normally opened, propelling oil pump remains on, thus to system pipeline supercharging, and by accumulator oil in reserve pressure energy；
When needing repairing in oil cylinder, two position three-way valve switches to opens oil extraction pneumatic control circuit, and draining valve cuts out, and Fill valve is opened, and accumulator drives the oil in pipeline to enter in Fill valve from repairing pipeline, then enters in oil cylinder from primary valve, completes oil cylinder repairing action；
When needing oil extraction in oil cylinder, two position three-way valve switches to opens repairing pneumatic control circuit, and Fill valve is closed, oil extraction stop valve is closed, and draining valve is opened, and in-oil cylinder oil enters in draining valve along pipeline from primary valve, and discharge from drain line, and then enter in exterior line from three way cock；
By above-mentioned repairing or oil extraction process, can realize controlling the purpose of diaphragm deflection amount.
Compared with prior art, this utility model has the advantage that
(1) this utility model is by using the first pressure controller, can effectively maintain the pressure stability in system pipeline, automatically start propelling oil pump when system oil pressure arrives upper and lower marginal value, thus be effectively guaranteed in PF system the oil compensation pressure maintained；
(2) can ensure that and enter the compressed-air actuated minimum operating pressure of two position two-way valve by arranging the second pressure controller, so that it is guaranteed that repairing, being smoothed out of oil extraction；
(3) two-position three way magnetic valve of the present utility model receives the signal mending oil extraction probe on diaphragm cavity, automatically control the corresponding repairing of switching and oil extraction pneumatic control circuit, and then control corresponding repairing and oil extraction process, thus effectively control the deformation quantity of barrier film, whole system process operation is accurate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
In figure, 1-inlet valve, 2-bitubular oil filter, 3-advances oil pump, 4-accumulator, 5-the first pressure controller, 6-oil extraction stop valve, 7-three way cock, 8-primary valve, 9-mends draining valve assembly, 10-air filter, 11-intake valve, 12-the second pressure controller, 91-draining valve, 92-Fill valve, 93-two position three-way valve.
Detailed description of the invention
With specific embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
nullA kind of control system for membrane pump，Its structure is as shown in Figure 1，Including the propelling oil pump 3 being sequentially connected with by pipeline、Accumulator 4、Mend draining valve assembly 9 and oil cylinder，Oil pump 3 is advanced to be connected with outside oil supply pipeline also by inlet valve 1，Mend Fill valve 92 and draining valve 91 that draining valve assembly 9 includes being arranged side by side，One end of Fill valve 92 and draining valve 91 is connected with accumulator 4 by repairing pipeline and drain line respectively，The other end all connects the primary valve 8 connecting oil cylinder by pipeline，Drain line is additionally provided with oil extraction stop valve 6 between draining valve 91 and accumulator 4，It is additionally provided with the three way cock 7 being connected exterior line with draining valve 91 at oil extraction stop valve 6，Fill valve 92 and draining valve 91 are two position two-way valve，Mend draining valve assembly 9 and also include the two position three-way valve 93 of the switch for controlling Fill valve 92 and draining valve 91，This two position three-way valve 93 connects PLC system，Two position three-way valve 93 connects Fill valve 92 and draining valve 91 by repairing pneumatic control circuit and oil extraction pneumatic control circuit respectively，Two position three-way valve 93 is also connected with external compression air pipe line，Intake valve 11 it is additionally provided with on external compression air pipe line，This intake valve 11 connects air compressor machine，The air filter 10 for purification of compressed air it is additionally provided with between intake valve 11 and air compressor machine，The second pressure controller 12 it is additionally provided with between air compressor machine and air filter 10，This second pressure controller 12 is all connected with PLC system with air compressor machine.Feedback control system by the second pressure controller 12, air compressor machine and PLC system composition, can ensure that the compressed-air actuated minimum operating pressure that air compressor machine carries, accumulator 4 and mending is additionally provided with the first pressure controller 5 of operating pressure in control system pipeline between draining valve assembly 9, this first pressure controller 5 is all connected with PLC system with advancing oil pump 3, advances and is additionally provided with bitubular oil filter 2 between oil pump 3 and inlet valve 1.By impurity such as the gases that bitubular oil filter 2 can effectively be discharged in intrasystem oil, in preventing system pipeline, there is the phenomenons such as pipeline idle running.
During work, outside oil supply pipeline is toward oil supply in control system pipeline, now two position three-way valve 93 is at initial station, repairing pneumatic control circuit and oil extraction pneumatic control circuit are all opened, and then lock Fill valve 92 and draining valve 91, inlet valve 1 is normally opened, advances oil pump 3 to remain on, thus to system pipeline supercharging, and by accumulator 4 oil in reserve pressure energy；
When needing repairing in oil cylinder, two position three-way valve 93 switches to opens oil extraction pneumatic control circuit, and draining valve 91 cuts out, Fill valve 92 is opened, accumulator 4 drives the oil in pipeline to enter in Fill valve 92 from repairing pipeline, then enters in oil cylinder from primary valve 8, completes oil cylinder repairing action；
When needing oil extraction in oil cylinder, two position three-way valve 93 switches to opens repairing pneumatic control circuit, Fill valve 92 is closed, oil extraction stop valve 6 is closed, draining valve 91 is opened, in-oil cylinder oil enters in draining valve 91 along pipeline from primary valve 8, and discharges from drain line, and then enters in exterior line from three way cock 7；
By above-mentioned repairing or oil extraction process, can realize controlling the purpose of diaphragm deflection amount.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use utility model.These embodiments obviously easily can be made various amendment by person skilled in the art, and General Principle described herein is applied in other embodiments without through performing creative labour.Therefore, this utility model is not limited to above-described embodiment, and those skilled in the art should be within protection domain of the present utility model according to announcement of the present utility model, the improvement made without departing from this utility model category and amendment.
Claims (7)
- null1. the control system for membrane pump，It is characterized in that，Including the propelling oil pump (3) being sequentially connected with by pipeline、Accumulator (4)、Mend draining valve assembly (9) and oil cylinder，Described propelling oil pump (3) is connected with outside oil supply pipeline also by inlet valve (1)，Described benefit draining valve assembly (9) includes Fill valve (92) and the draining valve (91) being arranged side by side，Described Fill valve (92) and one end of draining valve (91) are connected with accumulator (4) by repairing pipeline and drain line respectively，The other end all connects the primary valve (8) connecting oil cylinder by pipeline，Described drain line is additionally provided with oil extraction stop valve (6) between draining valve (91) and accumulator (4)，It is additionally provided with the three way cock (7) being connected exterior line with draining valve (91) at oil extraction stop valve (6).
- A kind of control system for membrane pump the most according to claim 1, it is characterized in that, described Fill valve (92) and draining valve (91) are two position two-way valve, described benefit draining valve assembly (9) also includes the two position three-way valve (93) of the switch for controlling Fill valve (92) and draining valve (91), and this two position three-way valve (93) connects PLC system.
- A kind of control system for membrane pump the most according to claim 2, it is characterized in that, described two position three-way valve (93) connects Fill valve (92) and draining valve (91) by repairing pneumatic control circuit and oil extraction pneumatic control circuit respectively, and described two position three-way valve (93) is also connected with external compression air pipe line.
- A kind of control system for membrane pump the most according to claim 3, it is characterized in that, intake valve (11) it is additionally provided with on described external compression air pipe line, this intake valve (11) connects air compressor machine, is additionally provided with the air filter (10) for purification of compressed air between intake valve (11) and air compressor machine.
- A kind of control system for membrane pump the most according to claim 4, it is characterized in that, being additionally provided with the second pressure controller (12) between described air compressor machine and air filter (10), this second pressure controller (12) is all connected with PLC system with air compressor machine.
- A kind of control system for membrane pump the most according to claim 1, it is characterized in that, described accumulator (4) and mending is additionally provided with first pressure controller (5) of operating pressure in control system pipeline between draining valve assembly (9), this first pressure controller (5) is all connected with PLC system with propelling oil pump (3).
- A kind of control system for membrane pump the most according to claim 1, it is characterised in that be additionally provided with bitubular oil filter (2) between described propelling oil pump (3) and inlet valve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135152.9U CN205478250U (en) | 2015-12-31 | 2015-12-31 | A control system for diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135152.9U CN205478250U (en) | 2015-12-31 | 2015-12-31 | A control system for diaphragm pump |
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| Publication Number | Publication Date |
|---|---|
| CN205478250U true CN205478250U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521135152.9U Active CN205478250U (en) | 2015-12-31 | 2015-12-31 | A control system for diaphragm pump |
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| Country | Link |
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| CN (1) | CN205478250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431747A (en) * | 2020-11-23 | 2021-03-02 | 西安交通大学 | Full-automatic diaphragm compressor oil way system and starting method thereof |
-
2015
- 2015-12-31 CN CN201521135152.9U patent/CN205478250U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431747A (en) * | 2020-11-23 | 2021-03-02 | 西安交通大学 | Full-automatic diaphragm compressor oil way system and starting method thereof |
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