CN103727294A - Control device and pneumatic system - Google Patents

Control device and pneumatic system Download PDF

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Publication number
CN103727294A
CN103727294A CN201410026122.8A CN201410026122A CN103727294A CN 103727294 A CN103727294 A CN 103727294A CN 201410026122 A CN201410026122 A CN 201410026122A CN 103727294 A CN103727294 A CN 103727294A
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China
Prior art keywords
valve
interface
control valve
manual switchover
described control
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CN201410026122.8A
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Chinese (zh)
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CN103727294B (en
Inventor
赵寒冰
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China Resources Power Henan Shouyangshan Co Ltd
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China Resources Power Henan Shouyangshan Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/14Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

The embodiment of the invention discloses a control device. A manual changeover valve is additionally arranged between a control valve and air cylinders of a plurality of pneumatic valves, secondary changeover can be conducted to air ways of the air cylinders of the plurality of pneumatic valves through the manual changeover valve in the on state of the pneumatic valve so as to realize the simultaneous control on the air cylinders of the plurality of pneumatic valves, one or more valves can be separately switched off without the need of switching off all the valves or stopping a system when a part of technological pipeline does not work. Compared with the prior art, according to the control device, the manual changeover valve is not required from being additionally arranged and electromagnetic valves are not separately used, so that the arrangement of a control line using a control coil to work can be avoided while the usage amount of coils can be reduced, therefore the cost can be lowered. The embodiment of the invention further discloses a pneumatic system.

Description

A kind of control gear and pressure system
Technical field
The present invention relates to boiler technology field, more particularly, relate to a kind of control gear and pressure system.
Background technique
For large-scale process system, due to the complexity of flow process, need to pipeline 2 ' on air-driven type valve is set so that fluid is wherein controlled, wherein part valve need to be opened simultaneously or close when system is moved, but under urgent or abnormal conditions, need air-driven type valve wherein to close separately, cut off wherein fluid.For the conventional control unit of air-driven type valve be two-position-five-way solenoid valve 3 ', as shown in Figure 1,2 coils of two-position-five-way solenoid valve 3 ' have, when coil is charged respectively, can control the switching of gas circuit, make to drive cylinder 1 ' air feed or the exhaust of air-driven type valve, thereby realize, open or close air-driven type valve.When coil D1 is charged, source of the gas passes into from suction port P1, and from interface A1 output, now, interface B1 is communicated with relief opening S2; In like manner, when coil D2 is charged, source of the gas passes into from suction port P1, and from interface B1 output, now, interface A1 is communicated with relief opening S1.
At present, control gear as shown in Figure 2, in this control gear, for all air-driven type valves, pass through 1 two-position-five-way solenoid valve 3 ' control, be that source of the gas is inputted from this solenoid valve suction port P1, output interface A1, interface B1 respectively by branch line and the 1st cylinder 1 ' to n cylinder 1 ' interface be connected, as long as source of the gas caliber is reasonable in design, just realizes the unification of all air-driven type valves is opened or closed.Can realize the 1st cylinder 1 ' control to n cylinder 1 ' simultaneously, but need to close all valves when part process pipe 2 ' fault, the whole system of even stopping transport, cannot realize one of them or several valve are closed separately.
For this reason, control gear as shown in Figure 3, a two-position-five-way solenoid valve 3 of cylinder 1 to every air-driven type valve in this control gear ' arrange separately ', source of the gas can access respectively or unified access, simultaneously to two-position-five-way solenoid valve 3 ' coil send instruction, can realize the 1st cylinder 1 ' control to n cylinder 1 ' simultaneously.Can realize the 1st cylinder 1 ' control to n cylinder 1 ' simultaneously, when part process pipe 2 ' fault, can realize one of them or several valve are closed separately, not need to close all valves.But this kind of design need all be controlled 2 of every deck valve door ' individual coil, if calculate again solenoid valve, source of the gas pipeline, cable expense, the controlling cost about more than 5000 yuan of every deck valve door, if valve is many or place is far away, whole cost will be very expensive.
Therefore, how to reduce the cost of control gear, become those skilled in the art's technical problem urgently to be resolved hurrily.
Summary of the invention
In view of this, first object of the present invention is to provide a kind of control gear, to realize the object reducing costs.Second object of the present invention is to provide a kind of pressure system.
For realizing above-mentioned first object, the invention provides following technological scheme:
A kind of control gear, comprise a control valve and multiple air-driven type valve, also comprise multiple manual switchover valves, the 3rd interface of described manual switchover valve is communicated with the suction port of the cylinder of described air-driven type valve, the 4th interface of described manual switchover valve is communicated with the air outlet of the cylinder of described air-driven type valve, the first interface of multiple described manual switchover valves is communicated with the first interface of described control valve, the second interface of multiple described manual switchover valves is communicated with the second interface of described control valve, the suction port of described control valve is communicated with described source of the gas, wherein
When described control valve is during in the first working state, the first interface conducting of the suction port of described control valve and described control valve, the second interface conducting of the relief opening of described control valve and described control valve; When described control valve is during in the second working state, the second interface conducting of the suction port of described control valve and described control valve, the first interface conducting of the relief opening of described control valve and described control valve;
When described manual switchover valve is during in the 3rd working state, the 3rd interface conducting of the first interface of described manual switchover valve and described manual switchover valve, the 4th interface of described manual switchover valve and the second interface conducting of described manual switchover valve; When described manual switchover valve is during in the 4th working state, the 3rd interface of the first interface of described manual switchover valve and described manual switchover valve and the 4th interface of described manual switchover valve are non-conduction, or the 3rd interface of the second interface of described manual switchover valve and described manual switchover valve and the 4th interface of described manual switchover valve non-conduction.
Preferably, in above-mentioned control gear, the relief opening of described control valve comprises first row gas port and second row gas port, when described control valve is during in the first working state, the first interface conducting of the suction port of described control valve and described control valve, the second interface conducting of the second row gas port in the relief opening of described control valve and described control valve;
When described control valve is during in the second working state, the second interface conducting of the suction port of described control valve and described control valve, the first row gas port in the relief opening of described control valve and the first interface conducting of described control valve.
Preferably, in above-mentioned control gear, described control valve is two-position-five-way solenoid valve.
Preferably, in above-mentioned control gear, described manual switchover valve is two-position four-way solenoid valve.
Preferably, in above-mentioned control gear, described manual switchover valve is two-position five-way manual valve.
From technique scheme, can find out, control gear in the present invention installs respectively manual switchover valve additional between control valve and the cylinder of multiple air-driven type valves, at air-driven type valve open state, can be by manual switchover valve the gas circuit of the cylinder to multiple air-driven type valves carry out secondary switching, realization is controlled the cylinder of multiple air-driven type valves simultaneously, can when part process pipe fault, can realize one of them or several valve are closed separately again, not need to close all valves or stoppage in transit system.This control gear compared with prior art, owing to not needing to increase to manual switching valve compared with using respectively solenoid valve, is avoided the setting of the control wiring that uses control coil work when having reduced the use of coil, therefore, reduced cost.
In order to realize above-mentioned second object, the invention also discloses a kind of pressure system, comprise control gear and multiple pipeline, described control gear is the control gear described in above-mentioned any one technological scheme, and the air-driven type valve in described control gear is arranged on described pipeline.
Because above-mentioned control gear has above-mentioned effect, the pressure system of applying above-mentioned control gear also has corresponding effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic diagram of a kind of two-position-five-way solenoid valve that Fig. 1 provides for prior art;
The schematic diagram of a kind of control gear that Fig. 2 provides for prior art;
The schematic diagram of the another kind of control gear that Fig. 3 provides for prior art;
A kind of control gear schematic diagram that Fig. 4 provides for the embodiment of the present invention;
The another kind of control gear schematic diagram that Fig. 5 provides for the embodiment of the present invention;
A kind of manual switchover valve schematic diagram that Fig. 6 provides for the embodiment of the present invention.
Wherein, in Fig. 1 to Fig. 6:
1 ' be cylinder, 2 ' be pipeline, 3 ' for two-position-five-way solenoid valve;
1 is that cylinder, 2 is that pipeline, 3 is that control valve, 4 is manual switchover valve.
Embodiment
Core of the present invention is open a kind of control gear, to realize the object reducing costs.Below, with reference to accompanying drawing, embodiment is described.In addition the summary of the invention that the embodiment shown in, does not record claim plays any restriction effect.The solution of the invention that in addition,, the full content of the represented formation of embodiment is not limited to record as claim is necessary.
As shown in Figure 4, this control gear comprises a control valve 3 and multiple air-driven type valve, also comprise multiple manual switchover valves 4, the 3rd interface A2 of manual switchover valve 4 is communicated with the suction port of the cylinder 1 of air-driven type valve, the 4th interface B2 of manual switchover valve 4 is communicated with the air outlet of the cylinder 1 of air-driven type valve, the first interface P2 of multiple manual switchover valves 4 is communicated with the first interface A1 of control valve 3, the second interface S3 of multiple manual switchover valves 4 is communicated with the second interface B1 of control valve 3, the suction port P1 of control valve 3 is communicated with source of the gas, wherein
When control valve 3 is during in the first working state, the first interface A1 conducting of the suction port P1 of control valve 3 and control valve 3, the second interface B1 conducting of the relief opening S of control valve 3 and control valve 3; When control valve 3 is during in the second working state, the second interface B1 conducting of the suction port P1 of control valve 3 and control valve 3, the first interface A1 conducting of the relief opening S of control valve 3 and control valve 3;
When manual switchover valve 4 is during in the 3rd working state, the 3rd interface A2 conducting of the first interface P2 of manual switchover valve 4 and manual switchover valve 4, the second interface S3 conducting of the 4th interface B2 of manual switchover valve 4 and manual switchover valve 4; When manual switchover valve 4 is during in the 4th working state, the 3rd interface A2 of the first interface P2 of manual switchover valve 4 and manual switchover valve 4 and the 4th interface B2 of manual switchover valve 4 are non-conduction, or the 4th interface B2 of the second interface S3 of manual switchover valve 4 and the 3rd interface A2 of manual switchover valve 4 and manual switchover valve 4 is non-conduction.
Control gear installs respectively manual switchover valve 4 additional between control valve 3 and the cylinder 1 of multiple air-driven type valves, at air-driven type valve open state, can be by manual switchover valve 4 gas circuit of the cylinder 1 to multiple air-driven type valves carry out secondary switching, realization is controlled the cylinder 1 of multiple air-driven type valves simultaneously, can when part process pipe 2 fault, can realize one of them or several valve are closed separately again, not need to close all valves or stoppage in transit system.This control gear compared with prior art, owing to not needing to increase to manual switching valve 4 compared with using respectively solenoid valve, is avoided the setting of the control wiring that uses control coil work when having reduced the use of coil, therefore, reduced cost.
In above-mentioned control valve 3, relief opening can be one and also can be two, as shown in Figure 5, in the embodiment of the present invention, the relief opening S of control valve 3 comprises first row gas port and second row gas port, when control valve 3 is during in the first working state, the first interface A1 conducting of the suction port P1 of control valve 3 and control valve 3, the second interface B1 conducting of the second row gas port in the relief opening S of control valve 3 and control valve 3;
When control valve 3 is during in the second working state, the second interface B1 conducting of the suction port P1 of control valve 3 and control valve 3, the first interface A1 conducting of the first row gas port in the relief opening S of control valve 3 and control valve 3.
Control valve 3 is two-position-five-way solenoid valve, two-position-five-way solenoid valve as shown in Figure 1, and when the first working state, coil D1 is charged, and source of the gas passes into from suction port P1, and from first interface A1 output, now, the second interface B1 is communicated with relief opening S2; When the second working state, coil D2 is charged, and source of the gas passes into from suction port P1, and from the second interface B1 output, now, first interface A1 is communicated with relief opening S1.
Manual switchover valve 4 is two-position four-way solenoid valve or two-position five-way manual valve.When being two-position five-way manual valve, please refer to shown in Fig. 5, manual switchover valve 4 structural principles and control valve 3 are similar, but there is no control coil, two diverse locations by handle are realized the switching of controlling gas circuit, thereby make valve drive cylinder 1 air feed or exhaust, open or close valve.Handle is in position 1, and source of the gas passes into from first interface P2, and from the 3rd interface A2 output, now, the 4th interface B2 interface is communicated with the second interface S3; Handle is in position 2, and source of the gas passes into from first interface P2 interface, and from the 4th interface B2 output, now, the 3rd interface A2 is communicated with the 5th interface S4, wherein, and the 5th interface S4 blocking-up.
When the control valve 3 in the embodiment of the present invention is two-position-five-way solenoid valve, when manual switchover valve 4 is two-position five-way manual valve, as shown in Figure 5, when n air-driven type valve of the 1st air-driven type valve to the need to be opened simultaneously, the handle of all hand-operated direction valves is in primary importance.
When cylinder 1 left side air inlet, the suction port P1 of control valve 3 and first interface A1 conducting, the second row gas port S2 conducting of the second interface B1 of control valve 3 and control valve 3, the handle of hand-operated direction valve is in position 1, first interface P2 and the 3rd interface A2 conducting, the second interface S3 and the 4th interface B2 conducting, source of the gas is entered in the left side cylinder of cylinder 1 by suction port P1, first interface A1, first interface P2 and the 3rd interface A2, and the gas that is positioned at the right side cylinder of cylinder 1 is discharged through the 4th interface B2, the second interface S3, the second interface B1 and second row gas port S2.
When cylinder 1 right side air inlet, the suction port P1 of control valve 3 and the second interface B1 conducting, the first row gas port S2 conducting of the first interface A1 of control valve 3 and control valve 3, the handle of hand-operated direction valve is in position 1, first interface P2 and the 3rd interface A2 conducting, the second interface S3 and the 4th interface B2 conducting, source of the gas is entered in the right side cylinder of cylinder 1 by suction port P1, the second interface B1, the second interface S3 and the 4th interface B2, and the gas that is positioned at the left side cylinder of cylinder 1 is discharged through the 3rd interface A2, first interface P2, first interface A1 and first row gas port S1.
When needs to one of them or several while closing separately, the handle of corresponding manual switchover valve 4 is positioned at position 2, due to now, the 3rd interface A2 is communicated with the 5th interface S4, and the 3rd interface A2 and first interface P2 and the second interface S3 are non-conduction, wherein, the 5th interface S4 blocking-up, therefore, realized closing of corresponding air-driven type valve.
In order to realize above-mentioned second object, the invention also discloses a kind of pressure system, comprise control gear and multiple pipeline 2, control gear is the control gear of above-mentioned any one technological scheme, the air-driven type valve in control gear is arranged on pipeline 2.
Because above-mentioned control gear has above-mentioned effect, the pressure system of applying above-mentioned control gear also has corresponding effect, repeats no more herein.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To these embodiments' multiple modification, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (6)

1. a control gear, comprise a control valve and multiple air-driven type valve, it is characterized in that, also comprise multiple manual switchover valves, the 3rd interface of described manual switchover valve is communicated with the suction port of the cylinder of described air-driven type valve, the 4th interface of described manual switchover valve is communicated with the air outlet of the cylinder of described air-driven type valve, the first interface of multiple described manual switchover valves is communicated with the first interface of described control valve, the second interface of multiple described manual switchover valves is communicated with the second interface of described control valve, the suction port of described control valve is communicated with described source of the gas, wherein,
When described control valve is during in the first working state, the first interface conducting of the suction port of described control valve and described control valve, the second interface conducting of the relief opening of described control valve and described control valve; When described control valve is during in the second working state, the second interface conducting of the suction port of described control valve and described control valve, the first interface conducting of the relief opening of described control valve and described control valve;
When described manual switchover valve is during in the 3rd working state, the 3rd interface conducting of the first interface of described manual switchover valve and described manual switchover valve, the 4th interface of described manual switchover valve and the second interface conducting of described manual switchover valve; When described manual switchover valve is during in the 4th working state, the 3rd interface of the first interface of described manual switchover valve and described manual switchover valve and the 4th interface of described manual switchover valve are non-conduction, or the 3rd interface of the second interface of described manual switchover valve and described manual switchover valve and the 4th interface of described manual switchover valve non-conduction.
2. control gear as claimed in claim 1, it is characterized in that, the relief opening of described control valve comprises first row gas port and second row gas port, when described control valve is during in the first working state, the first interface conducting of the suction port of described control valve and described control valve, the second interface conducting of the second row gas port in the relief opening of described control valve and described control valve;
When described control valve is during in the second working state, the second interface conducting of the suction port of described control valve and described control valve, the first row gas port in the relief opening of described control valve and the first interface conducting of described control valve.
3. control gear as claimed in claim 2, is characterized in that, described control valve is two-position-five-way solenoid valve.
4. control gear as claimed in claim 2, is characterized in that, described manual switchover valve is two-position four-way solenoid valve.
5. control gear as claimed in claim 2, is characterized in that, described manual switchover valve is two-position five-way manual valve.
6. a pressure system, comprises control gear and multiple pipeline, it is characterized in that, described control gear is the control gear described in any one in claim 1 to 5, and the air-driven type valve in described control gear is arranged on described pipeline.
CN201410026122.8A 2014-01-20 2014-01-20 Control device and pneumatic system Active CN103727294B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103982952A (en) * 2014-05-16 2014-08-13 广东美的集团芜湖制冷设备有限公司 Air pressure transmission device of air conditioner, vertical type air conditioner indoor unit and air conditioner
CN106979359A (en) * 2017-04-25 2017-07-25 新乡市新华液压机械有限公司 A kind of three position five-way valve

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4768339A (en) * 1986-01-25 1988-09-06 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system
CN1779277A (en) * 2004-10-20 2006-05-31 鲁卡斯液压有限公司 Control device
US20120090308A1 (en) * 2010-10-15 2012-04-19 Qinghui Yuan Hybrid hydraulic systems for industrial processes
CN103119306A (en) * 2010-08-12 2013-05-22 鲁卡斯液压有限公司 Control apparatus for a first tool and a second tool
CN203189848U (en) * 2013-04-22 2013-09-11 浙江中德自控阀门有限公司 Pneumatic double-acting control valve manual-automatic control system
CN203880199U (en) * 2014-01-20 2014-10-15 河南华润电力首阳山有限公司 Control device and pressure system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4768339A (en) * 1986-01-25 1988-09-06 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system
CN1779277A (en) * 2004-10-20 2006-05-31 鲁卡斯液压有限公司 Control device
CN103119306A (en) * 2010-08-12 2013-05-22 鲁卡斯液压有限公司 Control apparatus for a first tool and a second tool
US20120090308A1 (en) * 2010-10-15 2012-04-19 Qinghui Yuan Hybrid hydraulic systems for industrial processes
CN203189848U (en) * 2013-04-22 2013-09-11 浙江中德自控阀门有限公司 Pneumatic double-acting control valve manual-automatic control system
CN203880199U (en) * 2014-01-20 2014-10-15 河南华润电力首阳山有限公司 Control device and pressure system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103982952A (en) * 2014-05-16 2014-08-13 广东美的集团芜湖制冷设备有限公司 Air pressure transmission device of air conditioner, vertical type air conditioner indoor unit and air conditioner
CN103982952B (en) * 2014-05-16 2016-10-19 广东美的集团芜湖制冷设备有限公司 The pneumatic actuator of air-conditioning, vertical air-conditioner indoor unit and air-conditioning
CN106979359A (en) * 2017-04-25 2017-07-25 新乡市新华液压机械有限公司 A kind of three position five-way valve

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Inventor after: Zhao Hanbing

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