CN202032156U - Temperature controlled pneumatic valve - Google Patents
Temperature controlled pneumatic valve Download PDFInfo
- Publication number
- CN202032156U CN202032156U CN2011201536465U CN201120153646U CN202032156U CN 202032156 U CN202032156 U CN 202032156U CN 2011201536465 U CN2011201536465 U CN 2011201536465U CN 201120153646 U CN201120153646 U CN 201120153646U CN 202032156 U CN202032156 U CN 202032156U
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- valve
- cylinder
- temperature
- pneumatic valve
- gas
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Abstract
The utility model provides a temperature controlled pneumatic valve, and mainly solves the problems of the conventional pneumatic control valve such as incapability of forming multiple control and poor security. The temperature controlled pneumatic valve is characterized by further comprising a gas storage tank (4) communicated with a gas source; the gas storage tank (4) is connected with an electromagnetic valve (3) through a gas-guide tube (6); a spring energy storage device is arranged in an air cylinder (2); and the spring energy storage device is used for providing motive power for the operation of the air cylinder (2). As the gas storage tank and a temperature controller are arranged, the temperature controlled pneumatic valve is free of influence of external gas source state, can realize multiple control, is safe and reliable, and is simultaneously used for monitoring the environmental temperature; and the valve can be closed or opened automatically when the environmental temperature is higher.
Description
Technical field
The utility model relates to a kind of control valve that is used for inflammable and explosive occasion or fire-fighting system, is specifically related to a kind of temperature control pneumatic valve.
Background technique
At present, often adopt the pneumatic control valve controlling plumbing fixtures to carry out fed sheet of a media in inflammable and explosive occasion or fire-fighting system, valve mainly is in 2 kinds of states of opening and closing, meeting accident or can closing or open valve apace during urgency, is convenient to control.Existing pneumatic control valve mainly is made up of power source, valve, cylinder and solenoid valve, and the commutation by solenoid valve realizes the bidirectional-movement of cylinder, again by the opening and closing of cylinder control valve door.When being used for inflammable and explosive occasion, the valve normality is in opening state, when meeting urgency, need close valve; Be used for fire-fighting system valve normality and be in closed condition, during fire, valve need be opened the connection firing-fighting medium.Use this pneumatic control valve to have following defective in inflammable and explosive occasion or fire-fighting system: 1, cylinder directly links to each other with the source of the gas in the external world, there is not gas holder, when urgency, as source of the gas conduit failure or disconnection, just can't control pneumatic control valve, can not form multiple control, poor stability.2, can not monitor ambient temperature, can not close automatically or Open valve when ambient temperature is higher.
The model utility content
Can not form multiple control in order to overcome existing pneumatic control valve, the deficiency of poor stability, the utility model provides a kind of more safe and reliable temperature control pneumatic valve that is used for inflammable and explosive occasion or fire-fighting system, this temperature control pneumatic valve is provided with gas holder and temperature controller, be not subjected to the influence of extraneous source of the gas state, can realize multiple control, safe and reliable; Simultaneously, can monitor, when ambient temperature is higher, close automatically or Open valve ambient temperature.
The technical solution of the utility model is: this temperature control pneumatic valve comprises valve, cylinder, control room and handwheel, cylinder links to each other with valve by controller, cylinder links to each other with solenoid valve and is commutated by electromagnetic valve, solenoid valve is electrically connected with the anti-explosion terminal box that is communicated with the control room by cable, rotation hand wheel can be controlled closing or opening of valve, also include the gas holder that communicates with source of the gas, gas holder links to each other with solenoid valve by air pipe; Be provided with spring energy storage device in the cylinder, described spring energy storage device can provide the power of cylinder action.
Described temperature control pneumatic valve also includes the temperature controller of testing environment temperature, and described temperature controller places in the explosion-resistant enclosure, and the probe on the described temperature controller is exposed at outside the explosion-resistant enclosure; Described temperature controller is electrically connected with anti-explosion terminal box by cable.
Described temperature control pneumatic valve also includes the emergency switch that is electrically connected with anti-explosion terminal box, directly control electromagnetic valve commutation of emergency switch.
Described solenoid valve places in the fireproof heat insulating cover.
Described gas holder is provided with pressure-relief valve, blowdown valve and pressure gauge.
The utlity model has following beneficial effect: owing to take such scheme, increased gas holder, when accident takes place, when dying the source, can utilize the pressurized air that stores in the gas holder with valve closing, can provide source of the gas for cylinder reliably, as power interruptions, spring energy storage device in the solenoid valve dead electricity, cylinder can piston rod move, and realizes closing or Open valve, it is not enough simultaneously when spring energy storage device also lost efficacy to deposit tolerance as gas holder, can also close or Open valve by the manually-operable handwheel, realized multiple control valve, safe and reliable.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is structural representations of another mode of execution of the utility model.
Accompanying drawing 3 is mounting structure schematic representation of temperature controller 8 among Fig. 1.
1-valve among the figure, 2-cylinder, 3-solenoid valve, 4-gas holder, 5-anti-explosion terminal box, 6-air pipe, the 7-cable, 8-temperature controller, 9-explosion-resistant enclosure, 10-probe, 11-emergency switch, 12-control room, 13-fireproof heat insulating cover, 14-pressure-relief valve, 15-blowdown valve, 16-pressure gauge, 17-handwheel.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
By Fig. 1 in conjunction with shown in Figure 2, this temperature control pneumatic valve comprises valve 1, cylinder 2, control room 12 and handwheel 17, cylinder 2 links to each other with valve 1 by controller, cylinder 2 links to each other with solenoid valve 3 and is commutated by solenoid valve 3 controls, solenoid valve 3 is electrically connected with the anti-explosion terminal box 5 that is communicated with control room 12 by cable 7, rotation hand wheel 17 can be controlled closing or opening of valve, also includes the gas holder 4 that communicates with source of the gas, and gas holder 4 links to each other with solenoid valve 3 by air pipe 6; Be provided with spring energy storage device in the cylinder 2, described spring energy storage device can provide the power of cylinder 2 actions.Owing to increased gas holder 4 and spring energy storage device, when urgency, be not subjected to the influence of extraneous source of the gas state, when accident takes place, when dying the source, can utilize the pressurized air that stores in the gas holder 4 that valve 1 is closed, can be reliably for cylinder 2 provides source of the gas, as power interruptions, solenoid valve 3 dead electricity, spring energy storage device in the cylinder 2 can piston rod move, realization is closed or Open valve 1, and it is not enough simultaneously when spring energy storage device also lost efficacy to deposit tolerance as gas holder 4, can also close or Open valve 1 by manually-operable handwheel 17, realized multiple control to valve 1, safe and reliable.In addition, gas holder 4 has also played the effect of pressurize, voltage stabilizing, makes cylinder 2 stable working, fast.Fig. 1 is the structural drawing of gate valve for valve 1, and Fig. 2 is that valve 1 is the structural drawing of ball valve, and valve 1 also can be the valve of other pneumatic control certainly.
In conjunction with Fig. 2, shown in Figure 3, described temperature control pneumatic valve also includes the temperature controller 8 of testing environment temperature by Fig. 1, and described temperature controller 8 places in the explosion-resistant enclosure 9, and the probe 10 on the described temperature controller 8 is exposed at outside the explosion-resistant enclosure 9; Described temperature controller 8 is electrically connected with anti-explosion terminal box 5 by cable 7.Temperature controller 8 can be regulated the temperature of setting according to ambient temperature, when temperature controller 8 detects ambient temperature and is higher than the temperature of setting, signal feed back to control room 12, and is sent instruction by control room 12 and made solenoid valve 3 actions, close or Open valve 1.When temperature higher (as fire etc.), abnormal high temperature, temperature controller 8 can cut out or open by control valves automatically, plays the effect of cutting off media flow or opening the fire water passage.
In conjunction with shown in Figure 2, described temperature control pneumatic valve also includes the emergency switch 11 that is electrically connected with anti-explosion terminal box 5 by Fig. 1, directly control electromagnetic valve 3 commutations of emergency switch 11.Emergency switch 11 is being installed at a distance from the scene of valve, in case emergency case (as fire etc.), when being difficult to, can play a protective role promptly rapidly artificially with valve closing near valve.
Described solenoid valve 3 places in the fireproof heat insulating cover 13.13 insulation effects of fireproof heat insulating cover, can avoid ambient temperature to raise influences the performance of solenoid valve 3.
Described gas holder 4 is provided with pressure-relief valve 14, blowdown valve 15 and pressure gauge 16.When gas holder 4 internal pressures are too high,, can regularly discharge impurity in the gas holder 4 by blowdown valve 15 by pressure-relief valve 14 releases.Pressure gauge 16 can directly demonstrate the pressure in the gas holder 4, and it is convenient to observe.
Claims (5)
1. temperature control pneumatic valve, comprise valve (1), cylinder (2), control room (12) and handwheel (17), cylinder (2) links to each other with valve (1) by controller, cylinder (2) links to each other with solenoid valve (3) and is commutated by solenoid valve (3) control, solenoid valve (3) is electrically connected with the anti-explosion terminal box that is communicated with control room (12) (5) by cable (7), rotation hand wheel (17) can be controlled closing or opening of valve, it is characterized in that: also include the gas holder (4) that communicates with source of the gas, gas holder (4) links to each other with solenoid valve (3) by air pipe (6); Cylinder is provided with spring energy storage device in (2), and described spring energy storage device can provide the power of cylinder (2) action.
2. temperature control pneumatic valve according to claim 1, it is characterized in that: the temperature controller (8) that also includes the testing environment temperature, described temperature controller (8) places in the explosion-resistant enclosure (9), and the probe (10) on the described temperature controller (8) is exposed at outside the explosion-resistant enclosure (9); Described temperature controller (8) is electrically connected with anti-explosion terminal box (5) by cable (7).
3. temperature control pneumatic valve according to claim 1 and 2 is characterized in that: also include the emergency switch (11) that is electrically connected with anti-explosion terminal box (5), directly control electromagnetic valve (3) commutation of emergency switch (11).
4. temperature control pneumatic valve according to claim 1 and 2 is characterized in that: solenoid valve (3) places in the fireproof heat insulating cover (13).
5. temperature control pneumatic valve according to claim 1 and 2 is characterized in that: gas holder (4) is provided with pressure-relief valve (14), blowdown valve (15) and pressure gauge (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201536465U CN202032156U (en) | 2011-05-16 | 2011-05-16 | Temperature controlled pneumatic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201536465U CN202032156U (en) | 2011-05-16 | 2011-05-16 | Temperature controlled pneumatic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202032156U true CN202032156U (en) | 2011-11-09 |
Family
ID=44894453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201536465U Expired - Lifetime CN202032156U (en) | 2011-05-16 | 2011-05-16 | Temperature controlled pneumatic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202032156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493749A (en) * | 2011-12-02 | 2012-06-13 | 广州中船黄埔造船有限公司 | Pneumatic and manual full-shading type chimney shutter |
| CN103206424A (en) * | 2013-04-22 | 2013-07-17 | 浙江中德自控阀门有限公司 | Manual and automatic control system for realizing single-action control through pneumatic double-action executing mechanism with gas storage tank |
-
2011
- 2011-05-16 CN CN2011201536465U patent/CN202032156U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493749A (en) * | 2011-12-02 | 2012-06-13 | 广州中船黄埔造船有限公司 | Pneumatic and manual full-shading type chimney shutter |
| CN102493749B (en) * | 2011-12-02 | 2015-01-14 | 广州中船黄埔造船有限公司 | Pneumatic and manual full-shading type chimney shutter |
| CN103206424A (en) * | 2013-04-22 | 2013-07-17 | 浙江中德自控阀门有限公司 | Manual and automatic control system for realizing single-action control through pneumatic double-action executing mechanism with gas storage tank |
| CN103206424B (en) * | 2013-04-22 | 2015-09-09 | 浙江中德自控科技股份有限公司 | A kind of hand automatic control system of Pneumatic double-acting actuation mechanism band gas holder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111109 |
|
| CX01 | Expiry of patent term |