CN202538217U - Subarea control valve - Google Patents
Subarea control valve Download PDFInfo
- Publication number
- CN202538217U CN202538217U CN2012200326483U CN201220032648U CN202538217U CN 202538217 U CN202538217 U CN 202538217U CN 2012200326483 U CN2012200326483 U CN 2012200326483U CN 201220032648 U CN201220032648 U CN 201220032648U CN 202538217 U CN202538217 U CN 202538217U
- Authority
- CN
- China
- Prior art keywords
- valve
- water
- control valve
- control
- subarea
- Prior art date
- 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 - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000013016 damping Methods 0.000 claims abstract description 22
- 230000005611 electricity Effects 0.000 claims abstract description 3
- 230000006837 decompression Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 230000004224 protection Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a subarea control valve for controlling through electric driven, machine, and non-electric remote; the appearance of the subarea control valve is in the shape of an imitated-hammer, the subarea control valve is in a pressurizing driving piston structure, belongs to the fields of fire control, water supply and drainage and can be used for solving the problems that a regular raining alarm valve opens the water discharge wrongly when water is cut off and water pressure is fluctuated wildly; automatic turn on/off control cannot be carried out, the water hammer impact cannot be removed, the remote control cannot be carried out when an electric control loop fails. The subarea control valve is provided with three function cavities including a control cavity, a driving cavity and a damping cavity; when the water source pressure is fluctuated wildly or water is cut off, the subarea control valve is always in a closing state and does not mistakenly pray; the damping cavity can play the damping effect at the moment of turning off/turning on, so that the water hammer damage is removed; a non-electric remote interface is allocated, therefore, under the condition of electric control failure, the function of turning off/turning on the subarea control valve can be operated remotely. The subarea control valve is composed of upper/lower valve bodies, a top cover, a valve base, a locking button, a core shaft, a sealing ring, a sealing bottom plate, a damping piston, a convex lens type filter screen, a sealing pressing plate, an O-shaped sealing ring, a spring and a driving component. The subarea control valve has wide application prospect in electricity, chemical industry, metallurgy, subway, tunnel and the like.
Description
Technical field
The utility model relate to a kind of water spray, in/the low pressure fine water mist fire-extinguishing system in; Control through the long-range On/Off that carries out of electronic, mechanical, non-electricity; Make water automatically folk prescription to flowing into the subregion control valve that water injection system is reported to the police simultaneously; Profile is hammer-imitation type, is the pressurised driving piston structure, belongs to fire-fighting, plumbing field.
Background technology
The existing GB GB5135.3-2003 alarm valve that drenches with rain.Rated operating pressure is on the low side, is 1.2MPa; Material: cast iron/steel; Intensity is lower, and not corrosion-resistant, service life is shorter.
Opening time: 45S responds fast inadequately; To burning rapidly, spreading fire rapidly, it is slower that the alarm valve that drenches with rain is opened water outlet fire extinguishing reaction.
The alarm valve undamped that drenches with rain chamber: On/Off is with impact of water hammer, and is bigger to the pipe network behind the valve, fixed support, shower nozzle vibration hazard.
The alarm valve control mode that drenches with rain is a decompression starting: flap was opened water outlet when control chamber pressure reduced.When water pressure fluctuations was frequent, the alarm valve control chamber pressure that drenches with rain was kept opening by mistake when incessantly promptly causing non-fire and is opened sprinkling, and influence just produces, causes water damage.After the water system maintenance is cut off the water, must operate the alarm valve that drenches with rain again makes it to set up; At large-scale zone of protections such as metallurgy, electric power, chemical industry, traffic tunnel, papermaking, the place that fire water supply is shared, troublesome maintenance; Misoperation takes place often, causes unnecessary economic loss.
The present alarm valve that drenches with rain can be opened water outlet automatically, can not close automatically; Can't accomplish to repeat automatically open and close control.Can't accomplish transregional interlocking fire extinguishing.Can not close automatically after the fire extinguishing or remote manual control is closed, the protection zone water damage is bigger.Often be not less than the loss of fire for its water damages such as buried cable tunnel, underground Hydraulic Station/lubricating oil station, subway, vcehicular tunnels.The escorting of new industry, harmonious development have been inappropriate for.
Summary of the invention
In order to solve the misoperation performance of the alarm valve that drenches with rain, realize automatic/remote opening, closing control, improve rated operating pressure, shorten and open the water outlet time, reduce unlatching, the impact of water hammer when closing; The utility model provides a kind of subregion control valve; Be provided with three acting chambers in the utility model valve: control chamber, actuator chamber, damping cavity, by: following valve body (7), top cover (1), valve seat (3), tight locking button (9), mandrel (11), sealing ring (6), seal base (12), damping piston (5), protrudent sphere filter screen (10), sealing clamp (8), O RunddichtringO (2), bolt (4), spring (13), driven plunger (14), upper valve body (15) are formed.Valve body is contained in the valve seat up and down, and adopts valve seat cylindrical location; Be provided with driven plunger, damping piston in the valve seat, top cover is tightened in the valve seat upside; Tightened driven plunger and damping piston on the mandrel, sealing ring is by seal base, sealing clamp clamping; To control chamber, the acting in conjunction that the control chamber source pressure adds upper spring is in core assembly and closes sealing state fire water supply through the internal channel of protrudent sphere filter screen, mandrel at ordinary times; During unlatching, pressure source is caused actuator chamber, core assembly moves toward outlet side under the acting in conjunction of driven plunger and source pressure, and water control valve is promptly opened water outlet; When closing, the cut-out pressure source, the actuator chamber decompression, core assembly moves to inlet side and to close sealing under the acting in conjunction of control chamber source pressure and spring force.
The utility model is achieved in that by valve body, top cover, valve seat, tight locking button, mandrel, sealing ring, seal base, damping piston, protrudent sphere filter screen, sealing clamp, O RunddichtringO, bolt, spring, driven plunger, upper valve body are formed down.Valve body is contained in the valve seat up and down, and adopts valve seat cylindrical location; Be provided with driven plunger, damping piston in the valve seat, top cover is tightened in the valve seat upside; Tightened driven plunger and damping piston on the mandrel, sealing ring is by seal base, sealing clamp clamping; At ordinary times fire water supply through the internal channel of protrudent sphere filter screen, mandrel to control chamber; The acting in conjunction that the control chamber source pressure adds upper spring is in core assembly and closes sealing state; When pressure of supply water fluctuation acute big, frequent or when cutting off the water supply, this valve remains at closes sealing state.When the generation condition of a fire need start; Open and start magnetic valve or emergency start ball valve/long-range emergency start ball valve on the spot; To drive the water source or source of the gas causes actuator chamber, core assembly moves toward outlet side under the acting in conjunction of driven plunger and source pressure, and the subregion control valve is promptly opened water outlet.When need stopping water outlet after the fire extinguishing and spurting, close and start magnetic valve or emergency start ball valve/long-range emergency start ball valve on the spot, actuator chamber pressure reduces, and core assembly moves to inlet side and to close sealing under the acting in conjunction of control chamber source pressure and spring force.
The utility model has following several kinds of control modes:
Electrical control
During fire, the magnetic valve that the automatic united opening of control centre is corresponding or press the start button of corresponding protection zone subregion control valve in control centre starts magnetic valve and opens, and makes this differentiation district control valve open water outlet, fire extinguishing rapidly.After the fire extinguishing, press the stop button in this district, the subregion control valve is closed, and stops to spurt.Emergency start on the spot
During fire, open the emergency start ball valve in the subregion control valve group, the actuator chamber supercharging makes the subregion control valve open water outlet, fire extinguishing rapidly.After the fire extinguishing, close emergency start ball valve on the spot, the actuator chamber decompression, the subregion control valve resets and closes, and stops to spurt.
Non-electric Long-distance Control
The non-electric RCI of subregion control valve is connected with non-electric remote control box, and the urgent ball valve in the non-at ordinary times electric remote control box is normally closed.During fire, open the urgent ball valve in the non-electric remote control box of corresponding protection zone, make the pressure source of driven medium be input to actuator chamber, make the subregion control valve open water outlet, fire extinguishing rapidly.After the fire extinguishing, close urgent ball valve, actuator chamber pressure reduces, and the subregion control valve resets and closes, and stops to spurt.
The beneficial effect of the utility model is: reached non-electric remote opening/closing control function and repeated the control function of opening, closing; Unlatching, the impact of water hammer when closing have been eliminated; Cut off the water supply or source pressure fluctuation under prevent to open by mistake open, water outlet; Improve rated operating pressure, shortened the unlatching water outlet time.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the section of structure of the utility model.
Fig. 2 is the outline drawing of the utility model.
Fig. 3 is the vital part in the utility model: the mandrel profile.
Fig. 4 is the vital part in the utility model: the upper valve body profile.
Upper valve body: the valve body blank can be general up and down, and the upper valve body through hole is processed as nominal diameter; Reduced the flow resistance loss.
Mandrel: spring is set in the outlet, and water inlet is equipped with the protrudent sphere filter screen, and water inlet end is milled with tightens groove, has processed the straight thread that matches with driven plunger, damping piston, sealing clamp.
Valve seat: cylindrical is processed with the sluicing aperture in Parallel to the flow direction in the spoke duct, and the outside when valve events is opened sluices and is improved to inner sluicing, has reduced the draining adapter, has reduced the flow resistance loss simultaneously.The technical scheme that its technical problem of the utility model solution is taked is:
Through in the subregion control valve, being designed with three plunger shaft: control chamber, actuator chamber, damping cavity.Actuator chamber pressure increases core assembly and opens water outlet, reaches the purpose of pressurization opening, has solved decompression type drench valve effectively and has been prone to the accident that misoperation is spurted; The instantaneous damping action that plays that damping cavity is closed/opened at the subregion control valve has been eliminated the water hammer infringement.
The subregion control valve has disposed non-electric remote interface.Dispose non-electric remote interface and realized under the situation of electrical control fault, function that also can remote-controlled operation subregion control valve On/Off.
The specific embodiment
Valve body is contained in the valve seat up and down, adopts valve seat cylindrical location; Be provided with driven plunger, damping piston in the valve seat, top cover is tightened in the valve seat upside; Mandrel water outlet endoporus is with spring, and water inlet is equipped with the protrudent sphere filter screen, has tightened driven plunger and damping piston on the mandrel, and sealing ring is loaded on mandrel water inlet front end by seal base, sealing clamp clamping; To control chamber, the acting in conjunction that the control chamber source pressure adds upper spring is in core assembly and closes sealing state fire water supply through the internal channel of protrudent sphere filter screen, mandrel at ordinary times; During unlatching, open and start magnetic valve or emergency start ball valve/long-range emergency start ball valve on the spot, pressure source is caused actuator chamber, core assembly past outlet side under the acting in conjunction of driven plunger and source pressure moves, and the subregion control valve is promptly opened water outlet; When closing; Close and start magnetic valve or emergency start ball valve/long-range emergency start ball valve on the spot; The cut-out pressure source; The spoke duct cylindrical sluicing aperture drainage and step-down of actuator chamber through valve seat, core assembly move to inlet side and to close sealing under the acting in conjunction of control piston source pressure and spring force.
1) material: except that rubber parts, adopt stainless steel, intensity is high, and is corrosion-resistant, long service life, reliable operation.
2) rated operating pressure: 2.5MPa.
3) working pressure range: 0.14-2.5MPa.
4) valve body hydraulic pressure intensity: 10.0MPa, non-leakage, indeformable.
5) flow resistance loss: 0.03MPa.
6) mounting means: upright, level, oblique, swing to installation.
7) opening time :≤15S; The shut-in time resets :≤30S.
8) non-electric RCI: the DN15 pipeline reaches 60 meters with subregion control valve furthest; When fire control loop accident power-off, also can be in the open and close of far distance controlled subregion control valve.
9) the utility model possesses the hydraulic pressure resistance fluctuating nature: solved that the conventional alarm valve that drenches with rain opening by mistake in water pressure fluctuations, after cutting off the water supply opened, the water outlet phenomenon.
10) the utility model possess repeat to open/close automatic control function, realized that transregional interlocking follows the tracks of the practical applications requirement of fire extinguishing.
Claims (4)
1. one kind is carried out On/Off control through electronic, mechanical, non-electricity is long-range; Make water automatically folk prescription to flowing into the subregion control valve that water injection system is reported to the police simultaneously; It is characterized in that being provided with three acting chambers: control chamber, actuator chamber, damping cavity; Profile is hammer-imitation type, is the pressurised driving piston structure; By: following valve body (7), top cover (1), valve seat (3), tight locking button (9), mandrel (11), sealing ring (6), seal base (12), damping piston (5), protrudent sphere filter screen (10), sealing clamp (8), O RunddichtringO (2), bolt (4), spring (13), driven plunger (14), upper valve body (15) are formed; Valve body is contained in the valve seat up and down, and adopts valve seat cylindrical location; Be provided with driven plunger, damping piston in the valve seat, top cover is tightened in the valve seat upside; Tightened driven plunger and damping piston on the mandrel, sealing ring is by seal base, sealing clamp clamping; To control chamber, the acting in conjunction that the control chamber source pressure adds upper spring is in core assembly and closes sealing state fire water supply through the internal channel of protrudent sphere filter screen, mandrel at ordinary times; During unlatching, pressure source is caused actuator chamber, core assembly moves toward outlet side under the acting in conjunction of driven plunger and source pressure, and water control valve is promptly opened water outlet; When closing, the cut-out pressure source, the actuator chamber decompression, core assembly moves to inlet side and to close sealing under the acting in conjunction of control chamber source pressure and spring force.
2. subregion control valve according to claim 1 is characterized in that the valve body blank can be general up and down, and the upper valve body through hole is processed as nominal diameter.
3. subregion control valve according to claim 1 is characterized in that mandrel, and spring is set in the outlet, and water inlet is equipped with the protrudent sphere filter screen, and water inlet end is milled with tightens groove, has processed the straight thread that matches with driven plunger, damping piston, sealing clamp.
4. subregion control valve according to claim 1 is characterized in that valve seat, and cylindrical is processed with the sluicing aperture in Parallel to the flow direction in the spoke duct, and the outside when valve events is opened sluices and is improved to inner sluicing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200326483U CN202538217U (en) | 2012-02-02 | 2012-02-02 | Subarea control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200326483U CN202538217U (en) | 2012-02-02 | 2012-02-02 | Subarea control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202538217U true CN202538217U (en) | 2012-11-21 |
Family
ID=47158915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200326483U Expired - Lifetime CN202538217U (en) | 2012-02-02 | 2012-02-02 | Subarea control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202538217U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244718A (en) * | 2012-02-02 | 2013-08-14 | 上海靓消消防装备有限公司 | Subregion control valve |
| CN103721364A (en) * | 2014-01-09 | 2014-04-16 | 浙江快达消防设备有限公司 | Rain alarm valve |
| CN104455664A (en) * | 2014-12-08 | 2015-03-25 | 浙江快达消防设备有限公司 | Drench alarm valve |
-
2012
- 2012-02-02 CN CN2012200326483U patent/CN202538217U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244718A (en) * | 2012-02-02 | 2013-08-14 | 上海靓消消防装备有限公司 | Subregion control valve |
| CN103721364A (en) * | 2014-01-09 | 2014-04-16 | 浙江快达消防设备有限公司 | Rain alarm valve |
| CN104455664A (en) * | 2014-12-08 | 2015-03-25 | 浙江快达消防设备有限公司 | Drench alarm valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI NANXIAO FIRE PROTECTION ENGINEERING EQUIP Free format text: FORMER OWNER: SHANGHAI XINGHUI METAL TECHNOLOGY CO., LTD. Effective date: 20140723 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI XINGHUI METAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANGHAI LIANGXIAO FIRE EQUIPMENT CO., LTD. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201612 SONGJIANG, SHANGHAI TO: 201600 JIADING, SHANGHAI |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 201612 1108, three North Road, new temple, Xinqiao Town, Shanghai, Songjiang District Patentee after: Shanghai shining metal Technology Co.,Ltd. Address before: 201612 1108, three North Road, new temple, Xinqiao Town, Shanghai, Songjiang District Patentee before: SHANGHAI LIANGXIAO FIRE FIGHTING EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140723 Address after: 118, room 201600, 3 west side, 3131 Jinsha River Road, Shanghai, Jiading District Patentee after: SHANGHAI NANXIAO FIRE EQUIPMENT Co.,Ltd. Address before: 201612 1108, three North Road, new temple, Xinqiao Town, Shanghai, Songjiang District Patentee before: Shanghai shining metal Technology Co.,Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhu Qi Document name: Notification of Passing Examination on Formalities |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190327 Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |