CN203189848U - Pneumatic double-acting control valve manual-automatic control system - Google Patents

Pneumatic double-acting control valve manual-automatic control system Download PDF

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Publication number
CN203189848U
CN203189848U CN 201320208884 CN201320208884U CN203189848U CN 203189848 U CN203189848 U CN 203189848U CN 201320208884 CN201320208884 CN 201320208884 CN 201320208884 U CN201320208884 U CN 201320208884U CN 203189848 U CN203189848 U CN 203189848U
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CN
China
Prior art keywords
valve
pneumatic
control
hand
double
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201320208884
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Chinese (zh)
Inventor
粟飞
骆群华
杨月富
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ZHEJIANG ZHONGDE AUTOMATIC CONTROL TECHNOLOGY CO., LTD.
Original Assignee
ZHEJIANG ZHONGDE AUTOMATIC CONTROL VALVE CO Ltd
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Priority to CN 201320208884 priority Critical patent/CN203189848U/en
Application granted granted Critical
Publication of CN203189848U publication Critical patent/CN203189848U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a pneumatic double-acting control valve manual-automatic control system which comprises a pneumatic double-acting control valve and a manual-automatic control system. The pneumatic double-acting control valve comprises a valve body and a pneumatic double-acting executing mechanism connected to the valve body. The manual-automatic control system comprises a first pneumatic control valve, a second pneumatic control valve, a magnetic valve, a manual-automatic switching valve, a manual control valve, an air filter pressure reducing assembling part and an air source, wherein the air source, the air filter pressure reducing assembling part, the magnetic valve, the first air pneumatic control valve and an upper air cylinder of the pneumatic double-acting executing mechanism are sequentially connected in series, and a lower air cylinder of the pneumatic double-acting executing mechanism, the second pneumatic control valve and the magnetic valve are sequentially connected in series. The manual-automatic switching valve is connected between the air filter pressure reducing assembling part and the signal port of the first pneumatic control valve in parallel, the signal port of the first pneumatic control valve is connected with the signal port of the second pneumatic control valve, and the manual control valve is connected between the air filter pressure reducing assembling part and the pneumatic double-acting executing mechanism in parallel. The pneumatic double-acting control valve manual-automatic control system is simple to control, convenient to operate, high in reliability and low in cost.

Description

A kind of pneumatic double-action control-valve hand automatic control system
[technical field]
The utility model relates to the technical field of pneumatic control valve hand automatic control system, is specially adapted to the technical field that valve needs remote auto control and on-site manual to control in the industrial automatic control.
[background technique]
The field control of existing pneumatic control valve, major part partly increases handwheel devices at pneumatic actuator and realizes.And handwheel devices generally adopts gear transmission, causes the speed of opening/shutting valve slower.Before the handwheel devices operation, need to confirm that automatic control section switches to manual operation state fully, the process more complicated is often because site operation personnel's misoperation causes damage.Moreover, because pneumatic single-acting actuator inside has spring, need overcome spring force during manually-operable, cause the site operation personnel need could opening/shutting valve with bigger power.Another part employing carries manually operated import solenoid valve and controls, but carries manually operated solenoid valve price general charged costliness, and the delivery cycle is longer, causes the control section cost very high, is not used generally speaking.
[model utility content]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of pneumatic double-action control-valve hand automatic control system, not only control simple, easy to operate, and reliable performance, cost is low.
For achieving the above object, the utility model proposes a kind of pneumatic double-action control-valve hand automatic control system, comprise pneumatic double-action control-valve and hand automatic control system, described pneumatic double-action control-valve comprises valve, be connected to the pneumatic double-action actuator on the valve, described hand automatic control system comprises first Pneumatic valve, second Pneumatic valve, solenoid valve, the hand automatic transfer valve, hand control valve, air-filtering decompression group component and source of the gas, described source of the gas, air-filtering decompression group component, solenoid valve, the upper cylinder of first Pneumatic valve and pneumatic double-action actuator is connected successively, the lower cylinder of pneumatic double-action actuator, second Pneumatic valve, solenoid valve is connected successively, described hand automatic transfer valve is connected between the signal port of air-filtering decompression group component and first Pneumatic valve, the signal port of first Pneumatic valve is connected with the signal port of second Pneumatic valve, described hand control valve is connected between air-filtering decompression group component and the pneumatic double-action actuator, described pneumatic double-action actuator, first Pneumatic valve, second Pneumatic valve, solenoid valve, the hand automatic transfer valve, hand control valve, air-filtering decompression group component connects to form complete hand automatic control system by some gas circuit pipelines and cutting ferrule joint.
As preferably, described first Pneumatic valve is bi-bit bi-pass normal open type Pneumatic valve, the suction port of first Pneumatic valve links to each other with first air outlet of solenoid valve, the air outlet of first Pneumatic valve links to each other with the upper cylinder of pneumatic double-action actuator, and the signal port of first Pneumatic valve links to each other with the air outlet of hand automatic transfer valve; Second Pneumatic valve is bi-bit bi-pass normal open type Pneumatic valve, the air outlet of second Pneumatic valve links to each other with the lower cylinder of pneumatic double-action actuator, the suction port of second Pneumatic valve links to each other with second air outlet of solenoid valve, and the signal port of second Pneumatic valve communicates with the signal port of first Pneumatic valve and is connected the air outlet of automatic transfer valve in one's hands.
As preferably, described solenoid valve adopts two automatically controlled two five-way guide electromagnetic valves, the suction port of described two automatically controlled two five-way electromagnetic valves links to each other with air-filtering decompression group component, two automatically controlled two five-way electromagnetic valves have two states, state for the moment, suction port communicates with first air outlet, and second air outlet communicates and communicates with second relief opening; During state two, suction port communicates with second air outlet, and first air outlet communicates and communicates with first relief opening.
As preferably, first relief opening, second relief opening of described solenoid valve communicate with atmosphere respectively, on first relief opening, second relief opening baffler are installed all.
As preferably, described hand automatic transfer valve adopts two-position three way machinery hand control valve, and the suction port of hand automatic transfer valve links to each other with air-filtering decompression group component, and the air outlet of hand automatic transfer valve links to each other with the signal port of first Pneumatic valve and the signal port of second Pneumatic valve.
As preferably, the relief opening of described hand automatic transfer valve communicates with atmosphere, on the relief opening of hand automatic transfer valve baffler is installed.
As preferably, described hand control valve adopts the closed mechanical hand control valve of 3-position 4-way meta, the suction port of described hand control valve links to each other with air-filtering decompression group component, first air outlet of hand control valve links to each other with the upper cylinder of double-action actuator, and second air outlet of hand control valve links to each other with the lower cylinder of double-action actuator.
As preferably, the relief opening of described hand control valve communicates with atmosphere, on the relief opening of hand control valve baffler is installed.
The beneficial effects of the utility model: the utility model is by installing the hand automatic control system at pneumatic double-action control-valve, control valve can be realized telecontrol, also can realize scene manually control on the spot, efficiently solve the problem that the various faults owing to on-the-spot handwheel devices cause valve normally not open and close.The utility model control is simple, easy to operate, the reliability height, and cost is low.
Feature of the present utility model and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is the structural representation of the pneumatic double-action control-valve hand of the utility model automatic control system;
Fig. 2 is the structural representation of manual control panel in the pneumatic double-action control-valve hand of the utility model automatic control system;
Fig. 3 is the structural representation of solenoid valve state two in the pneumatic double-action control-valve hand of the utility model automatic control system.
Among the figure: 1-valve, the pneumatic double-action of 2-actuator, 3-first Pneumatic valve, 4-second Pneumatic valve, 5-solenoid valve, 6-on-site manual control panel, 7-air-filtering decompression group component, 8-hand automatic transfer valve, 9-hand control valve.
[embodiment]
Consult Fig. 1, the pneumatic double-action control-valve hand of the utility model automatic control system comprises valve 1, pneumatic double-action actuator 2, first Pneumatic valve 3, second Pneumatic valve 4, solenoid valve 5, on-site manual control panel 6, air-filtering decompression group component 7 and source of the gas.Described valve 1 and pneumatic double-action actuator 2 form pneumatic control valves, described first Pneumatic valve 3, second Pneumatic valve 4, solenoid valve 5, on-site manual control panel 6, air-filtering decompression group component 7 and some gas circuit pipelines and cutting ferrule joint are formed hand automatic control control system, come the control valve action.The upper cylinder of described pneumatic double-action actuator 2 links to each other with the air outlet of first Pneumatic valve 3, second Pneumatic valve 4 by gas circuit pipeline and cutting ferrule joint respectively with lower cylinder, establish the triplet card bell and spigot joint respectively between the upper cylinder of described pneumatic double-action actuator 2 and first Pneumatic valve 3, lower cylinder and second Pneumatic valve 4, its branch is connected with hand automatic control panel 6.The signal port of described first Pneumatic valve 3 and second Pneumatic valve 4 all is connected with hand automatic control panel 6, the suction port of described first Pneumatic valve 3 links to each other with the first air outlet b of solenoid valve 4, the suction port of described second Pneumatic valve 4 links to each other with the second air outlet d of solenoid valve 5, the suction port a of described solenoid valve 5 links to each other with air-filtering decompression group component 7, the first relief opening c, the second relief opening e of solenoid valve 5 all are equipped with baffler, communicate with atmosphere.Described air-filtering decompression group component 7 another termination sources of the gas.Be provided with a triplet card bell and spigot joint equally between described solenoid valve 5 and the air-filtering decompression group component 7, its branch is connected with hand automatic control panel 6.Aforesaid solenoid valve 5 is two automatically controlled two five-way electromagnetic valves, comprises suction port a, the first air outlet b, the first relief opening c, the second air outlet d, the second relief opening e.
Consult Fig. 2, comprise hand automatic transfer valve 8, hand control valve 9.Described hand automatic transfer valve 8 is used valve as switching between on-site manual control and the remote auto control, the air outlet c of hand automatic transfer valve 8 links to each other with the signal port of the signal port of first Pneumatic valve 3 and second Pneumatic valve 4, the relief opening a of hand automatic transfer valve 8 is equipped with baffler, communicate with atmosphere, the suction port b of described hand automatic transfer valve 8 links to each other with triplet card bell and spigot joint branch between solenoid valve 5 and the air-filtering decompression group component 7.Described hand control valve 9 is as on-site manual behaviour Operating valve, the first air outlet A of hand control valve 9 links to each other with the upper cylinder of pneumatic double-action actuator 2 and the triplet card bell and spigot joint branch between first Pneumatic valve 3, the second air outlet B of hand control valve 9 links to each other with the lower cylinder of pneumatic double-action actuator 2 and the triplet card bell and spigot joint branch between second Pneumatic valve 4, the relief opening R of hand control valve 9 is equipped with baffler, communicate with atmosphere, the suction port P of described hand control valve 9 also with solenoid valve 4 and air-filtering decompression group component 6 between triplet card bell and spigot joint branch link to each other.
Consult Fig. 1,3, solenoid valve is in state one among Fig. 1, and solenoid valve is in state two among Fig. 3.Solenoid valve is in state shown in Figure 1 for the moment, the suction port a of solenoid valve 5 communicates with the first air outlet b, air in the source of the gas is introduced in the upper cylinder of pneumatic double-action actuator 2 by first Pneumatic valve 3 then, air in the lower cylinder of pneumatic double-action actuator 2 is by behind second Pneumatic valve 4, enter the second air outlet d of solenoid valve 5, discharged by the second relief opening e, realize valve closing control.When solenoid valve is in state two shown in Figure 3, the suction port a of solenoid valve 5 communicates with the second air outlet d, air in the source of the gas is introduced in the lower cylinder of pneumatic double-action actuator 2 by second Pneumatic valve 4 then, air in the upper cylinder of pneumatic double-action actuator 2 is by behind first Pneumatic valve 3, enter the first air outlet b of solenoid valve 5, discharged by the first relief opening c, realize valve opening.
The concrete principle of implementing:
During remote auto control, envelope position in earlier hand control valve 9 in the hand automatic control panel 6 being switched to, this moment, hand control valve 9 was in the complete closed state; Again hand automatic transfer valve 8 is switched to the normal open position, this moment, hand automatic transfer valve 8 air outlet c communicated with relief opening a, the equal no signal of the signal port of the signal port of first Pneumatic valve 3, second Pneumatic valve 4, the suction port of first Pneumatic valve 3 communicates with the air outlet, and the suction port of second Pneumatic valve 4 communicates with the air outlet.Realize that by to solenoid valve 5 signals valve opens or closes this moment, thereby realize remote auto control.
When needing on-site manual control, earlier hand automatic transfer valve 8 in the hand automatic control panel 6 is switched to normally closed position, the air outlet c of hand automatic transfer valve 8 communicates with suction port b at this moment, bleed pressure enters the signal port of first Pneumatic valve 3, second Pneumatic valve 4 by hand automatic transfer valve 8, first Pneumatic valve 3, second Pneumatic valve 4 are switched, realize that first Pneumatic valve, 3 suction ports and air outlet cut off, second Pneumatic valve, 4 suction ports and air outlet cut off.The manually-operable hand control valve 9 then, and this moment, no matter whether solenoid valve is charged valve all can be realized manually controlling on the spot.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any scheme after the utility model simple transformation is all belonged to protection domain of the present utility model.

Claims (8)

1. pneumatic double-action control-valve hand automatic control system, it is characterized in that: comprise pneumatic double-action control-valve and hand automatic control system, described pneumatic double-action control-valve comprises valve, be connected to the pneumatic double-action actuator on the valve, described hand automatic control system comprises first Pneumatic valve, second Pneumatic valve, solenoid valve, the hand automatic transfer valve, hand control valve, air-filtering decompression group component and source of the gas, described source of the gas, air-filtering decompression group component, solenoid valve, the upper cylinder of first Pneumatic valve and pneumatic double-action actuator is connected successively, the lower cylinder of pneumatic double-action actuator, second Pneumatic valve, solenoid valve is connected successively, described hand automatic transfer valve is connected between the signal port of air-filtering decompression group component and first Pneumatic valve, the signal port of first Pneumatic valve is connected with the signal port of second Pneumatic valve, and described hand control valve is connected between air-filtering decompression group component and the pneumatic double-action actuator.
2. a kind of pneumatic double-action control-valve hand automatic control system as claimed in claim 1, it is characterized in that: described first Pneumatic valve is bi-bit bi-pass normal open type Pneumatic valve, the suction port of first Pneumatic valve links to each other with first air outlet of solenoid valve, the air outlet of first Pneumatic valve links to each other with the upper cylinder of pneumatic double-action actuator, and the signal port of first Pneumatic valve links to each other with the air outlet of hand automatic transfer valve; Second Pneumatic valve is bi-bit bi-pass normal open type Pneumatic valve, the air outlet of second Pneumatic valve links to each other with the lower cylinder of pneumatic double-action actuator, the suction port of second Pneumatic valve links to each other with second air outlet of solenoid valve, and the signal port of second Pneumatic valve communicates with the signal port of first Pneumatic valve and is connected the air outlet of automatic transfer valve in one's hands.
3. a kind of pneumatic double-action control-valve hand automatic control system as claimed in claim 2, it is characterized in that: described solenoid valve adopts two automatically controlled two five-way guide electromagnetic valves, the suction port of described two automatically controlled two five-way guide electromagnetic valves links to each other with air-filtering decompression group component, two automatically controlled two five-way guide electromagnetic valves have two states, state for the moment, suction port communicates with first air outlet, and second air outlet communicates and communicates with second relief opening; During state two, suction port communicates with second air outlet, and first air outlet communicates and communicates with first relief opening.
4. a kind of pneumatic double-action control-valve hand automatic control system as claimed in claim 3, it is characterized in that: first relief opening, second relief opening of described solenoid valve communicate with atmosphere respectively, on first relief opening, second relief opening baffler are installed all.
5. a kind of pneumatic double-action control-valve hand automatic control system as claimed in claim 1, it is characterized in that: described hand automatic transfer valve adopts two-position three way machinery hand control valve, the suction port of hand automatic transfer valve links to each other with air-filtering decompression group component, and the air outlet of hand automatic transfer valve links to each other with the signal port of first Pneumatic valve and the signal port of second Pneumatic valve.
6. a kind of pneumatic double-action control-valve hand automatic control system as claimed in claim 5, it is characterized in that: the relief opening of described hand automatic transfer valve communicates with atmosphere, on the relief opening of hand automatic transfer valve baffler is installed.
7. as each described a kind of pneumatic double-action control-valve hand automatic control system in the claim 1 to 6, it is characterized in that: described hand control valve adopts the closed mechanical hand control valve of 3-position 4-way meta, the suction port of described hand control valve links to each other with air-filtering decompression group component, first air outlet of hand control valve links to each other with the upper cylinder of double-action actuator, and second air outlet of hand control valve links to each other with the lower cylinder of double-action actuator.
8. a kind of pneumatic double-action control-valve hand automatic control system as claimed in claim 7, it is characterized in that: the relief opening of described hand control valve communicates with atmosphere, on the relief opening of hand control valve baffler is installed.
CN 201320208884 2013-04-22 2013-04-22 Pneumatic double-acting control valve manual-automatic control system Expired - Fee Related CN203189848U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320208884 CN203189848U (en) 2013-04-22 2013-04-22 Pneumatic double-acting control valve manual-automatic control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320208884 CN203189848U (en) 2013-04-22 2013-04-22 Pneumatic double-acting control valve manual-automatic control system

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486325A (en) * 2013-09-29 2014-01-01 中科隆声(北京)科技有限责任公司 Device capable of achieving automatic switching between electric control and manual control of electric valve
CN103727294A (en) * 2014-01-20 2014-04-16 河南华润电力首阳山有限公司 Control device and pneumatic system
CN103862387A (en) * 2014-03-20 2014-06-18 无锡威孚精密机械制造有限责任公司 Dual-gas-circuit input linked system of shot blasting machine
CN104020011A (en) * 2014-06-19 2014-09-03 广西南宁双阳科技有限公司 Automatic sampling mechanism of packing scale
CN108779874A (en) * 2016-03-11 2018-11-09 横河电机株式会社 Valve opens and closes system and control valve device
CN109282051A (en) * 2017-07-21 2019-01-29 上海梅山钢铁股份有限公司 High pressure descaling injection valve
CN109538560A (en) * 2018-10-29 2019-03-29 乔治洛德方法研究和开发液化空气有限公司 For being gradually opened the Pneumatic control circuit, automatic valve device and method of automatic valve
CN112357045A (en) * 2020-11-23 2021-02-12 上海外高桥造船有限公司 Pneumatic single-action driving head closed gas circuit device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486325A (en) * 2013-09-29 2014-01-01 中科隆声(北京)科技有限责任公司 Device capable of achieving automatic switching between electric control and manual control of electric valve
CN103727294A (en) * 2014-01-20 2014-04-16 河南华润电力首阳山有限公司 Control device and pneumatic system
CN103862387A (en) * 2014-03-20 2014-06-18 无锡威孚精密机械制造有限责任公司 Dual-gas-circuit input linked system of shot blasting machine
CN103862387B (en) * 2014-03-20 2016-05-04 无锡威孚精密机械制造有限责任公司 The two gas circuit input of compressed air shotblasting machine linked system
CN104020011A (en) * 2014-06-19 2014-09-03 广西南宁双阳科技有限公司 Automatic sampling mechanism of packing scale
CN108779874A (en) * 2016-03-11 2018-11-09 横河电机株式会社 Valve opens and closes system and control valve device
CN109282051A (en) * 2017-07-21 2019-01-29 上海梅山钢铁股份有限公司 High pressure descaling injection valve
CN109538560A (en) * 2018-10-29 2019-03-29 乔治洛德方法研究和开发液化空气有限公司 For being gradually opened the Pneumatic control circuit, automatic valve device and method of automatic valve
CN112357045A (en) * 2020-11-23 2021-02-12 上海外高桥造船有限公司 Pneumatic single-action driving head closed gas circuit device

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GR01 Patent grant
C14 Grant of patent or utility model
CP03 Change of name, title or address
C56 Change in the name or address of the patentee

Owner name: ZHEJIANG ZHONGDE AUTOMATIC CONTROL TECHNOLOGY CO.,

Free format text: FORMER NAME: ZHEJIANG ZHONGDE AUTOMATIC CONTROL VALVE CO., LTD.

CP03 Change of name, title or address

Address after: 313100 No. 659 Changxin Avenue, Taihu street, Zhejiang, Changxing County

Patentee after: ZHEJIANG ZHONGDE AUTOMATIC CONTROL TECHNOLOGY CO., LTD.

Address before: 313100, No. three, No. 659, Changxin Economic Development Zone, Huzhou, Zhejiang

Patentee before: Zhejiang Zhongde Automatic Control Valve Co., Ltd.

Address after: 313100 No. 659 Changxin Avenue, Taihu street, Zhejiang, Changxing County

Patentee after: ZHEJIANG ZHONGDE AUTOMATIC CONTROL TECHNOLOGY CO., LTD.

Address before: 313100, No. three, No. 659, Changxin Economic Development Zone, Huzhou, Zhejiang

Patentee before: Zhejiang Zhongde Automatic Control Valve Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130911

Termination date: 20190422

CF01 Termination of patent right due to non-payment of annual fee