CN103836244B - A kind of mechanical delay device using gas exterior to control - Google Patents
A kind of mechanical delay device using gas exterior to control Download PDFInfo
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- CN103836244B CN103836244B CN201410078292.0A CN201410078292A CN103836244B CN 103836244 B CN103836244 B CN 103836244B CN 201410078292 A CN201410078292 A CN 201410078292A CN 103836244 B CN103836244 B CN 103836244B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/38—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/34—Excess-flow valves in which the flow-energy of the flowing medium actuates the closing mechanism
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/06—Devices, e.g. valves, for venting or aerating enclosures for aerating only
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Safety Valves (AREA)
Abstract
The present invention discloses a kind of mechanical delay device using gas exterior to control, including valve body and air reservoir；Valve body is provided with air inlet and gas outlet, is provided with driving piston only in this valve body, and this driving piston only is arranged with back-moving spring；The upper end driving piston only is provided with the flap that the communication channel controlled between air inlet and gas outlet opens and closes, and the air flue offering up/down perforation in this driving piston only and the pore being connected with air reservoir, air flue is provided with the breeder tube being connected with pore；The upper shed of air flue connects with air inlet, under shed and the charge valve unit phase airtight connection being located at outside valve body；Being provided with in air flue can be axially displaced to control the regulating piston that breeder tube is connected with pore or ends along air flue.Utilizing extraneous gas directly to control delay time, delays time to control is accurate, stable and reliable, and under ensureing chronotron reusability and operability premise, it is achieved the quick release action of gas, it is ensured that whole system safe and reliable operation.
Description
Technical field
The present invention relates to mechanical delay device field, specifically refer to a kind of mechanical delay device using gas exterior to control.
Background technology
Chronotron is a kind of control device to being operated by operation object artificial time delay intervals, its application
Field is widely.Along with science and technology is constantly brought forth new ideas, as a example by act chronotron is applied in fire fighting gas fire extinguishing system, in order to not gone out
The fault impacts such as the power supply of fire system or outfiring alarm controller, electric-control system, have abandoned the conditional electronic formula time the most substantially
Relay, and use pneumatic type mechanical delay device.The structure of pneumatic machinery chronotron is similar at present, and operation principle is to make gas
Body is put aside in compression chamber via choke valve and produces pressure, when the pressure of compression chamber reaches to set pressure, promotes flap to beat
Open walk, finally realizes the time delay effect of giving vent to anger.
Described existing pneumatic machinery chronotron all use internal restriction valve arrangement to realize delay working, delay time length
Depending primarily on the throttle orifice size of choke valve, thus the required precision to throttle orifice is higher, is generally difficult to accomplish height in practice
Precision delays time to control effect；And the length of chronotron delay time is usually fixed nonadjustable at present, when needing to adjust, only
Chronotron can be taken apart and manually debug, not only complex operation, and adjust precision and also be difficult to ensure.It addition, chronotron
Time delay needs after using to discharge pressurization indoor gas, and a kind of mode is can be made soon by opening time-delaying device bonnet
Rapid release is put, but its exist dismounting lay equal stress on polyphony examination trouble, also can to whole system run bring potential safety hazard；Another way is
Employing throttle orifice discharges, but its rate of release is extremely slow, the most impracticable, so existing chronotron exist in gas release operation can
The best problem of operability, reusability.Further, its inside of Pneumatic time-delay device is joined between each parts, particularly slide unit at present
Close inadequate compact and reasonable, thus can serve uncontrollable interference factor by band, thus affect chronotron time delay stability and can
By property.
Summary of the invention
It is an object of the invention to provide a kind of mechanical delay device using gas exterior to control, utilize extraneous gas direct
Control delay time, delays time to control and time delay regulation and control accurate, stable and reliable, and ensure chronotron reusability and behaviour
Under the property made premise, it is possible to realize the quick release action of gas, it is ensured that whole system safe and reliable operation.
In order to reach above-mentioned purpose, the solution of the present invention is:
A kind of mechanical delay device using gas exterior to control, including valve body and the gas storage being arranged in this valve body lower end portion
Cylinder；Described valve body is provided with air inlet and gas outlet, is provided with driving piston only in this valve body, and this driving piston only overlaps
It is provided with two ends and supports the back-moving spring on this driving piston only and described valve body respectively；Described driving piston only is provided with
Control the flap that the communication channel between described air inlet and gas outlet opens and closes, in this driving piston only, offer the gas of up/down perforation
Road and the pore being connected with described air reservoir, described air flue is provided with the breeder tube being connected with described pore；Described gas
The upper shed in road connects with described air inlet, and under shed is mutually airtight with the charge valve unit being located at outside described valve body by a pipeline
Connect；It is provided with in described air flue and can be connected with pore along this air flue is axially displaced or end controlling described breeder tube
Regulating piston.
It is also equipped with pressure stopwatch on described charge valve unit.
In described air flue, the top position of corresponding described breeder tube is provided with filter mechanism.
Described driving piston only includes driving body and body under driving piston on piston, and on this driving piston, body leads to
Crossing and drive body under piston described in thread connection, described flap is by driving body on piston described in thread connection.
Described regulating piston has the taper piston head that can stretch into and seal described breeder tube.
Described regulating piston includes taper piston head, pars intermedia and the afterbody being connected with the most successively, described afterbody
Face area is more than the cross-sectional area of described pars intermedia.
After using such scheme, the present invention having the beneficial effects that relative to prior art: before system starts, first
By charge valve unit, this inflation valve body end being filled default pressed gas, this pressed gas directly acts on regulating piston
Lower surface, regulating piston moves up, and breeder tube is carried out mechanical seal.During system starts, drive gas from valve body
Air inlet enter communication channel and flap pressed, communication channel is realized sealing by flap, and gas cannot be discharged by gas outlet, and
It is that the upper shed from air flue is directly entered in air flue, drives gas can act on regulation by certain pressure when arriving breeder tube
Piston, the downward trace of regulating piston keeps stable after moving, forms certain gap, now drive between regulating piston and breeder tube
Taking offence body can be by gap, via in pore entrance air reservoir (time delay starts).Through certain time, drive gas the most past
Air reservoir inflating pressure, produces certain pressure and acts on the bottom driving piston only, thus produce certain power and overcome portion
The frictional force of part and the pretightning force of back-moving spring, and then drive driving piston only and flap to form a slide unit and upwards move
Dynamic；Now flap opens communication channel, drives gas can carry over communication channel smoothly, discharges from gas outlet, reaches time delay effect with this
Really.
This case mechanical delay device utilizes extraneous gas, by gas control and regulation piston two ends pressure extent, controls
And the size in the gap formed between breeder tube, it is achieved number of seconds controls delay time effect, compares existing throttle valve control mode,
This case delays time to control has high accurancy and precision, high stability and reliability advantage.This case invention mechanical delay device only need to control to fill
The tolerance of the pressed gas preset, gets final product the number of seconds regulation and control of simple realization time delay length, and regulation and control are accurate, the most convenient.Further,
When discharging gas after system delay, regulating piston can be directly utilized and must discharge the quickest for the gas work in air reservoir, protect
Demonstrate,prove chronotron reusability and operability, so that it is guaranteed that whole system safe and reliable operation.
Accompanying drawing explanation
The schematic cross-section of Fig. 1 present invention mechanical delay device；
Fig. 2 is the partial enlarged drawing of Fig. 1.
Label declaration
Valve body 1 air inlet 11
Gas outlet 12 inlet suction port 14
Air outlet adapter 15 air reservoir 2
Drive piston only 3 air flue 31
Upper shed 311 under shed 312
Breeder tube 313 pore 32
Regulating piston 33 taper piston head 331
Pars intermedia 332 afterbody 333
Body 34 on piston is driven to drive body 35 under piston
Back-moving spring 4 flap 5
Flap sealing gasket 51 charge valve unit 6
Inflation valve body 61 pipeline 62
Check valve 63 one-way valve spring 64
Inflation spool 65 inflates valve gap 66
Pipe box 67 pipe joint nut 68
Inflation threeway 7 pressure stopwatch 8
Pressure tapping 81 filter mechanism 9
Clamp nut 91
Detailed description of the invention
With detailed description of the invention, this case is described in further detail below in conjunction with the accompanying drawings.
This case relates to a kind of mechanical delay device using gas exterior to control, and as shown in Figure 1-2, mainly includes valve body 1, storage
Cylinder 2, driving piston only 3 and charge valve unit 6.Air reservoir 2 is connected with on the bottom of valve body 1, the upper end of valve body 1 and
Air inlet 11 and gas outlet 12 is offered respectively on sidewall.Piston only 3 is driven to be arranged in valve body 1, and can be along valve body 1
Axially shift back and forth.Driving and be arranged with a back-moving spring 4 on piston only 3, the two ends up and down of this back-moving spring 4 support respectively
Drive on piston only 3 and valve body 1.Valve body 1 connects air inlet 11 and the company of gas outlet 12 with driving to be formed with between piston only 3
Passage 13.(preferably in upper end) on piston only 3 is driven to be provided with flap 5, adjustable by between this flap 5 and valve body 1
Cooperation is used, it is achieved control the purpose being turned on or off of communication channel 13.
Air flue 31 and pore 32 is offered in driving piston only 3.Air flue 31 is along driving the axial in up and down of piston only 3
Through, correspondence has upper shed 311 and under shed 312.The air inlet 11 of valve body 1 is the most right with the upper shed about 311 of air flue 31
Connection, the under shed 312 of valve body 1 is by a pipeline and the charge valve unit 6 phase airtight connection being located at outside valve body 1.Pore 32
Two ends connection air flue 31 and air reservoir 2, corresponding air flue 31 is provided with the breeder tube 313 being connected with pore 32.In air flue 31
It is provided with and can be connected with pore 32 or end controlling breeder tube 313 along the axially displaced regulating piston 33 of air flue 31.
Before system starts, first pass through charge valve unit 6 and inflation valve body end is filled default pressed gas, this pressure
Gas directly acts on the lower surface of regulating piston 33, and regulating piston 33 moves up accordingly, thus realizes breeder tube 313
Carry out milli machine sealing.Chronotron internal drive piston only 3, acts on by back-moving spring 4, it is achieved flap 5 is to communication channel
13 close sealing, the passageway break between air inlet 11 and gas outlet 12.During system starts, drive gas 3 entering from valve body 1
QI KOU 11 enters communication channel 13 and presses flap 5, and communication channel 13 is realized sealing by flap 5, thus drives gas to pass through
Gas outlet 12 is discharged, but is directly entered in air flue 31 from the upper shed 311 of air flue 31, drives gas to arrive breeder tube 313
Time can act on regulating piston 33 by certain pressure, the downward trace of regulating piston 33 keeps stable after moving, regulating piston 33
And between breeder tube 313, form certain gap, now drive gas can enter air reservoir by this gap via pore 32
In 2 (now time delay starts).Along with driving gas is constantly toward air reservoir 2 inflating pressure, after certain time, in air reservoir 2
Gas produces certain pressure P3 and acts on the bottom driving piston only 3, thus produces certain power and overcome the friction of parts
Power and the pretightning force of back-moving spring 4, and then drive driving piston only 3 and flap 5 to form a slide unit and move up.This
Time flap 5 open communication channel 13, drive gas can carry over communication channel 13 smoothly, discharge from gas outlet 12, reach time delay with this
Give vent to anger effect.
This case mechanical delay device utilizes extraneous gas originally, controls to adjust the big of piston 33 two ends pressure reduction by gas
Little, thus control and the size in the gap of formation between breeder tube 313, it is achieved controlling delay effect, delays time to control precisely arrives
Number of seconds, compares existing throttle valve control mode, and this case delays time to control has high accurancy and precision, high stability and reliability advantage.And
And, present invention mechanical delay device only needs the tolerance simply controlling to fill default pressed gas, can simple realization time delay length
Number of seconds regulation and control, regulation and control precisely, the most convenient.During further, need to discharge gas after system delay, regulation can be directly utilized and live
Plug 33(discharges charge air conditioning especially by charge valve unit 6, makes regulating piston 33 move down, thus and between breeder tube 313
It is formed with big gap), the gas in air reservoir 2 is quickly discharged, it is ensured that chronotron reusability and operability, it is ensured that whole
Individual security of system reliability service.
Described charge valve unit 6 can be existing known charge valve mechanism, as this case provides a preferred embodiment, inflation
Valve cell 6 mainly includes inflating valve body 61, pipeline 62 and check valve 63.Pipeline 62 preferably uses flexible pipe, and it is sealedly connected on
Between the under shed 312 of inflation valve body 61 and driving piston only 3, check valve 63 is arranged on inflation valve body by one-way valve spring 64
In 61, inflation spool 65 is arranged in inflating valve body 61 by the outside of corresponding check valve 63, the most also on inflation valve body 61
Spiral shell is provided with an inflation valve gap 66.During inflation, first inflation valve gap 66 is taken off, utilize female thread and the inflation valve body 61 of aerating device
External screw thread sealingly connect, then inflation spool 65 turned down make sealing open, pressed gas successively via check valve 63, inflate
Valve body 61 inner chamber, pipeline 62, until in driving the cavity of corresponding regulating piston 33 bottom in piston only 3.
Preferably, charge valve unit 6 is provided with pressure stopwatch 8, a concrete embodiment, charge valve unit 6 also sets
Having inflation threeway 7, the first logical inflation valve body 61 that is tightly connected of inflation threeway 7, second crosses pipe box 67, pipe joint nut 68 all
Being tightly connected pipeline 62, threeway is provided with pressure stopwatch 8, specifically this pressure stopwatch 8 is sealed by pressure tapping 81
It is arranged in inflation threeway 7.Present invention mechanical delay device by reaching to control the mesh of delay time to the control of gas pressure
, the size of the blowing pressure is converted into time number of seconds by pressure stopwatch 8 and demonstrates, thus system needs the time of time delay to pass through
The number of seconds of pressure stopwatch 8 display can be shown out intuitively.In gas replenishment process, time needed for pressure stopwatch 8 demonstrates system
Between number of seconds time, can stop inflation, screw out aerating device, screwing-charging valve gap 66, the most simply complete pressure at external inflation valve
Fill.
Preferably, piston only 3 is driven to include driving body 34 and body 35 under driving piston, this driving piston on piston
Upper body 34 drives body 35 under piston, flap 5 to drive body 34 on piston by thread connection by thread connection.Drive and live
Plug body 3 is divided into upper and lower two parts to be easy to structure assembled formation, drives body 34 on piston, drives body 35 and flap under piston
5 use thread connection constitute holistic slide units, this structure designing and arranging except in chronotron internal sliding member structure some
Uncontrollable unfavorable interference factor, it is possible to make in chronotron control more precisely reliable.
Preferably, regulating piston 33 is used for and forms milli machine between breeder tube 313 sealing, and provides one and preferably implements
Example, the position that seals of regulating piston 33 has the taper piston head 331 that can stretch into also sealing ventilation aperture 313, and pore 32 is corresponding
Preferably use the inclined hole structure being obliquely installed.
As in figure 2 it is shown, when regulating piston 33 is in mechanical seal critical state with breeder tube 313, regulating piston 33
By the F that makes a concerted effort upwardsClose=(π/4) * D2 2*P2, when chronotron is started working, from the driving gas pressure of air inlet 11 air inlet
P1Constant, regulating piston 33 is by the downward F that makes a concerted effortUnder conjunction=(π/4) * D1 2*P1.As shown in Figure 2, now regulating piston will be to moving down
Dynamic, make the gas compression in pipeline 62, pressure P2Increasing, make regulating piston 33 stress reach balance, regulating piston 33 is steady
Fixed motionless.Now, regulating piston 33 is moved downwardly certain distance, makes the upper conical surface of regulating piston be formed with breeder tube 313
Certain gap (size in this gap is corresponding with the number of seconds of pressure stopwatch 8), drives gas to enter air reservoir 1 by this gap
In, time delay starts.When regulating piston 33 stress reaches balance, FClose=FUnder conjunction, obtain (π/4) * D2 2*P2=(π/4) * D1 2*P1, wherein P1
It is a constant value, just can realize the control to gap size by the value changing precharge of gas P2, i.e. realize outside chronotron
The direct number of seconds in portion controls delay time.
Further as in figure 2 it is shown, regulating piston 33 includes taper piston head 331, the pars intermedia being connected with the most successively
332 and afterbody 333, the face area of afterbody 333 is more than the cross-sectional area of pars intermedia 332.Thus D1 < D2 during stress balance, i.e.
P1 > P2, can realize the control utilizing low-pressure gas to realize chronotron internal high-pressure gas in outside, by gas low pressure control
The new ideas of high pressure are transformed in the control of chronotron time delay number of seconds dexterously.Certainly regulating piston 33 not necessarily in above-mentioned successively
Three part-structures being connected with, as long as size (i.e. D1, D2) such as the above-mentioned size of the both ends compression face of design regulating piston 33 is closed
It is.
The cutoff hole area in the gap formed between the upper conical surface of above-mentioned regulating piston 3 and breeder tube 313 must be much smaller than
Driving the diameter of gas in air flue, thus guarantee works as guard plot breaking out of fire, and during system start-up, chronotron reaches certain
Time-lag action.In order to prevent described gap by foreign matters from being blocked, it is preferable that in air flue 3, correspondence is positioned at the position above breeder tube 313
The place of putting is provided with filter mechanism 9, and this filter mechanism 9 is specifically as follows filter screen, and it is arranged on and drives the position, top of body 34 on piston
Put, and fixed by clamp nut 91.The aperture of sieve meshes is much smaller than above-mentioned gap, thus plays filtration well,
Prevent gap by foreign matters from being blocked, it is ensured that product is perfectly safe reliably.
Preferably, design can be respectively equipped with inlet suction port 14 on the air inlet 11 of valve body 1 and gas outlet 12 and give vent to anger
Joint 15, in order to be connected with external agency.
Preferably, in order to ensure sealing structure, the plurality of positions of this case mechanical delay device is equipped with ring structure, than
As between valve body 1 and air reservoir 2, valve body 1 and drive between piston only 3, drive between piston only 3 and flap 5, inflation valve body 61 with
Between inflation valve gap 66, between inflation valve body 61 and inflation threeway 7, between inflation threeway 7 and pipeline 62, regulating piston 33 and air flue 31
Between, etc..Needing exist for stressing, in valve body 1, corresponding communication channel 13 position is provided with for convex with what flap 5 phase sealed
Edge structure, the relevant position of flap 5 is provided with flap sealing gasket 51, plays excellent seal effect.Inflation valve body 61 is provided with and fills
The sealing ring that air valve cap 66 phase seals, also functions to seal mutually effect with aerating device when inflation.
The foregoing is only the preferred embodiments of the present invention, all impartial changes done with scope of the invention as claimed and
Modify, the scope of the claims in the present invention all should be belonged to.
Claims (6)
1. use the mechanical delay device that gas exterior controls, including valve body and the gas storage being arranged in this valve body lower end portion
Cylinder；Described valve body is provided with air inlet and gas outlet, it is characterised in that: driving piston only is installed, this driving in this valve body
It is arranged with two ends on piston only and supports the back-moving spring on this driving piston only and described valve body respectively；Described driving is lived
Plug body is provided with the flap that the communication channel controlled between described air inlet and gas outlet opens and closes, and offers in this driving piston only
The air flue of up/down perforation and the pore being connected with described air reservoir, described air flue is provided with the ventilation being connected with described pore
Aperture；The upper shed of described air flue connects with described air inlet, and under shed passes through a pipeline and the inflation being located at outside described valve body
Valve cell phase airtight connection；It is provided with in described air flue and can be connected with pore with the described breeder tube of control along this air flue is axially displaced
Regulating piston that is logical or that end.
A kind of mechanical delay device using gas exterior to control the most as claimed in claim 1, it is characterised in that: described charge valve
Pressure stopwatch it is also equipped with on unit.
A kind of mechanical delay device using gas exterior to control the most as claimed in claim 1, it is characterised in that: in described air flue
The top position of corresponding described breeder tube is provided with filter mechanism.
A kind of mechanical delay device using gas exterior to control the most as claimed in claim 1, it is characterised in that: described driving is lived
Plug body includes driving body and body under driving piston on piston, and on this driving piston, body is by driving described in thread connection
Body under piston, described flap is by driving body on piston described in thread connection.
A kind of mechanical delay device using gas exterior to control the most as claimed in claim 1, it is characterised in that: described regulation is lived
Plug has the taper piston head that can stretch into and seal described breeder tube.
6. a kind of mechanical delay device using gas exterior to control as described in claim 1 or 5, it is characterised in that: described
Regulating piston includes taper piston head, pars intermedia and the afterbody being connected with the most successively, and the face area of described afterbody is more than
The cross-sectional area of described pars intermedia.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078292.0A CN103836244B (en) | 2014-03-05 | 2014-03-05 | A kind of mechanical delay device using gas exterior to control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078292.0A CN103836244B (en) | 2014-03-05 | 2014-03-05 | A kind of mechanical delay device using gas exterior to control |
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| CN103836244A CN103836244A (en) | 2014-06-04 |
| CN103836244B true CN103836244B (en) | 2016-11-23 |
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| CN201410078292.0A Active CN103836244B (en) | 2014-03-05 | 2014-03-05 | A kind of mechanical delay device using gas exterior to control |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121408A (en) * | 2014-06-27 | 2014-10-29 | 宁波市永航消防设备有限公司 | Fire-fighting pneumatic delayer |
| CN105904259B (en) * | 2016-06-08 | 2017-11-21 | 广东长盈精密技术有限公司 | Fixture and its air pressure time-delay valve |
| CN108612898B (en) * | 2018-07-13 | 2024-08-02 | 深圳市摩控自动化设备有限公司 | Gas circuit conversion device for electric valve positioner and electric valve positioner |
| CN114576401B (en) * | 2022-03-17 | 2023-08-25 | 宁波广知电子科技有限公司 | Mechanical delay valve for fire-fighting system and operation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201992173U (en) * | 2010-11-25 | 2011-09-28 | 南京消防器材股份有限公司 | Pneumatic time-delay valve |
| CN202402762U (en) * | 2011-12-22 | 2012-08-29 | 天广消防股份有限公司 | Novel gas delay device |
| CN202868002U (en) * | 2012-10-19 | 2013-04-10 | 天广消防股份有限公司 | Pneumatic balance type start delayer |
| CN203730880U (en) * | 2014-03-05 | 2014-07-23 | 天广消防股份有限公司 | Mechanical delayer adopting external gas control |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5632914B2 (en) * | 2010-06-15 | 2014-11-26 | 株式会社コスメック | Time delay valve |
-
2014
- 2014-03-05 CN CN201410078292.0A patent/CN103836244B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201992173U (en) * | 2010-11-25 | 2011-09-28 | 南京消防器材股份有限公司 | Pneumatic time-delay valve |
| CN202402762U (en) * | 2011-12-22 | 2012-08-29 | 天广消防股份有限公司 | Novel gas delay device |
| CN202868002U (en) * | 2012-10-19 | 2013-04-10 | 天广消防股份有限公司 | Pneumatic balance type start delayer |
| CN203730880U (en) * | 2014-03-05 | 2014-07-23 | 天广消防股份有限公司 | Mechanical delayer adopting external gas control |
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| CN103836244A (en) | 2014-06-04 |
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