CN209325115U - High pressure gas closed container releasing pressure automatically pressure-keeping mechanism - Google Patents
High pressure gas closed container releasing pressure automatically pressure-keeping mechanism Download PDFInfo
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- CN209325115U CN209325115U CN201822107530.2U CN201822107530U CN209325115U CN 209325115 U CN209325115 U CN 209325115U CN 201822107530 U CN201822107530 U CN 201822107530U CN 209325115 U CN209325115 U CN 209325115U
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- pressure
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- piston
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- 230000007246 mechanism Effects 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a kind of high pressure gas closed container releasing pressure automatically pressure-keeping mechanism, solve the problems, such as that existing high-pressure bottle cannot remain to automatically keep design pressure after releasing pressure automatically.Valve body piston (4) are provided in tubular valve body cylinder body (3), it is mobile inner cavity (7) that the centre of cylinder body top cover (6) is provided with piston rod, the top setting of piston rod (5) is in piston rod mobile inner cavity (7), pressure spring (14) are socketed on piston rod (5) between cylinder body top cover (6) lower end surface and the upper surface of valve body piston (4), the upper end of piston rod (5) is provided with limiting through hole (11), limit steel ball (15) is provided between steel-ball limiting groove (8) and the left port of limiting through hole (11), the output shaft (12) of solenoid valve (10) extend into the rear right end apical grafting with limit steel ball (15) in limiting through hole (11).The utility model single unit system structure is relatively easy, and Reliability of Microprocessor is high.
Description
Technical field
The present invention relates to a kind of high pressure gas closed container pressure release pressure-keeping mechanisms, in particular to one kind can be close to high pressure gas
It closes in container and occurs to carry out releasing pressure automatically when super pressure and mechanism and the side of air pressure can be kept constant after releasing pressure automatically
Method.
Background technique
As pressure vessel is in industrial, civilian and field of scientific study extensive use, the safety of pressure vessel by
More concerns, and the safety of pressure vessel depends on the stability of its internal pressure mostly.Since general pressure vessel belongs to
High-pressure closed vessel can induce explosion, for secure context once its internal pressure increases suddenly allows the upper limit beyond its pressure
The considerations of, be provided with pressure relief device on general pressure vessel, although existing pressure relief device can to high-pressure closed vessel into
Row pressure release, but pressure release amount can not accurately be controlled, so that container is still able to maintain design pressure after the completion of pressure release.
Summary of the invention
The present invention provides a kind of high pressure gas closed container releasing pressure automatically pressure-keeping mechanism and releasing pressure automatically pressure maintaining method, solutions
Existing high-pressure bottle of having determined cannot remain to the technical issues of automatically keeping design pressure after releasing pressure automatically.
The present invention is to solve the above technical problem by the following technical programs:
A kind of high pressure gas closed container releasing pressure automatically pressure-keeping mechanism, including high pressure gas vapor tight tank, it is close in high pressure gas
It closes on tank and is provided with relief valve mounting hole, tubular valve body cylinder body is fixedly installed on relief valve mounting hole, in tubular valve body cylinder
It is provided with valve body piston in body, piston rod is fixedly installed on the upper top surface of valve body piston, in the top surface of tubular valve body cylinder body
On be fixedly installed cylinder body top cover, the centre of cylinder body top cover is provided with the mobile inner cavity of piston rod, the top setting of piston rod
In the mobile inner cavity of piston rod, the upper cover of piston rod between cylinder body top cover face and the upper surface of valve body piston is connected to pressure
Spring is provided with limiting through hole in the upper end of piston rod, and the piston rod on the left of limiting through hole is provided with steel ball limit on mobile inner cavity
Position groove, is provided with sloped top face on the upper top surface of steel-ball limiting groove, is arranged in the cylinder body top cover on the right side of limiting through hole
There is solenoid valve, limit steel ball is provided between steel-ball limiting groove and the left port of limiting through hole, the output shaft of solenoid valve is stretched
After entering into limiting through hole together with the right end apical grafting of limit steel ball, pressure sensing is provided in high pressure gas vapor tight tank
Device, the output end of pressure sensor are electrically connected with the solenoid valve together, pressure release through-hole are provided on high pressure gas vapor tight tank, is let out
The side of the interior side port and valve body piston of pressing through-hole is connected together, and the exterior side port of pressure release through-hole is communicated with the atmosphere.
Sealing ring is provided between valve body piston and tubular valve body cylinder body.
A kind of high pressure gas closed container releasing pressure automatically pressure maintaining method, comprising the following steps:
The first step is provided with relief valve mounting hole on high pressure gas vapor tight tank, is fixedly installed on relief valve mounting hole
Valve body piston is arranged in tubular valve body cylinder body in tubular valve body cylinder body, is fixedly installed piston on the upper top surface of valve body piston
Cylinder body top cover is fixedly installed in bar on the top surface of tubular valve body cylinder body, and it is mobile that the centre of cylinder body top cover is provided with piston rod
Inner cavity, the top setting of piston rod in the mobile inner cavity of piston rod, the upper surface of cylinder body top cover face and valve body piston it
Between upper cover of piston rod be connected to pressure spring, limiting through hole is set in the upper end of piston rod, piston rod on the left of limiting through hole is mobile
It is provided with steel-ball limiting groove on inner cavity, is provided with sloped top face on the upper top surface of steel-ball limiting groove, on the limiting through hole right side
It is provided with solenoid valve in the cylinder body top cover of side, the setting limit steel ball between steel-ball limiting groove and the left port of limiting through hole,
The output shaft of solenoid valve is extend into limiting through hole afterwards together with the right end apical grafting of limit steel ball, in high pressure gas vapor tight tank
It is provided with pressure sensor, the output end of pressure sensor is electrically connected with the solenoid valve together, sets on high pressure gas vapor tight tank
It is equipped with pressure release through-hole, the interior side port of pressure release through-hole and the side of valve body piston are connected together, the exterior side port of pressure release through-hole
It is communicated with the atmosphere；
Second step, when in high pressure gas vapor tight tank air pressure be more than limit value when, the output end output voltage of pressure sensor
Signal makes electromagnetism valve events, and the output shaft of solenoid valve retracts, while limiting steel ball and entering in limiting through hole, makes to limit steel ball
The limit of piston rod is released with the output shaft of solenoid valve, valve body piston and the piston rod over-pressure gas in high pressure gas vapor tight tank
Under the action of move up, pressure spring is further compressed, when moving on to the interior side port and high pressure for making pressure release through-hole on valve body piston
When confined gas tank inner cavity is connected to, the gas in high pressure gas vapor tight tank is leaked by pressure release through-hole into atmosphere；
Third step, with the leakage of the gas in high pressure gas vapor tight tank, air pressure decline, valve body in high pressure gas vapor tight tank
Piston and piston rod move down under the action of pressure spring, when air pressure drops to normal value in tank, the output of pressure sensor
Output voltage signal is held, electromagnetism valve events are made, the output shaft of solenoid valve protrudes into limiting through hole, the limit of output shaft apical grafting
Steel ball re-enters into limit steel ball in steel-ball limiting groove, and the interior side port of pressure release through-hole is again by valve body piston at this time
Closing, makes the pressure in high pressure gas vapor tight tank be maintained at normal value.
Single unit system structure of the present invention is relatively easy, and Reliability of Microprocessor is high, reusable, and cost is relatively low.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of the pressure release through-hole 13 on high pressure gas vapor tight tank 1 of the invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
A kind of high pressure gas closed container releasing pressure automatically pressure-keeping mechanism, including high pressure gas vapor tight tank 1, it is close in high pressure gas
It closes on tank 1 and is provided with relief valve mounting hole 2, tubular valve body cylinder body 3 is fixedly installed on relief valve mounting hole 2, in tubular valve
It is provided with valve body piston 4 in body cylinder body 3, is fixedly installed piston rod 5 on the upper top surface of valve body piston 4, in tubular valve body cylinder
It is fixedly installed cylinder body top cover 6 on the top surface of body 3, the centre of cylinder body top cover 6 is provided with the mobile inner cavity 7 of piston rod, piston
Work of the top setting of bar 5 in the mobile inner cavity 7 of piston rod, between 6 lower end surface of cylinder body top cover and the upper surface of valve body piston 4
It is socketed with pressure spring 14 on stopper rod 5, the upper end of piston rod 5 is provided with limiting through hole 11, the piston rod in 11 left side of limiting through hole
It is provided with steel-ball limiting groove 8 on mobile inner cavity 7, sloped top face 9 is provided on the upper top surface of steel-ball limiting groove 8, is limiting
Be provided with solenoid valve 10 in the cylinder body top cover 6 on the position right side of through-hole 11, the left port of steel-ball limiting groove 8 and limiting through hole 11 it
Between be provided with limit steel ball 15, right end top with limit steel ball 15 after the output shaft 12 of solenoid valve 10 is extend into limiting through hole 11
It is connected together, pressure sensor is provided in high pressure gas vapor tight tank 1, output end and the solenoid valve 10 of pressure sensor are electrically connected
It is connected together, pressure release through-hole 13, the interior side port and valve body piston 4 of pressure release through-hole 13 is provided on high pressure gas vapor tight tank 1
Side be connected together, the exterior side port of pressure release through-hole 13 is communicated with the atmosphere.
Sealing ring 16 is provided between valve body piston 4 and tubular valve body cylinder body 3.
A kind of high pressure gas closed container releasing pressure automatically pressure maintaining method, comprising the following steps:
The first step is provided with relief valve mounting hole 2 on high pressure gas vapor tight tank 1, and fixation is set on relief valve mounting hole 2
Tubular valve body cylinder body 3 is set, valve body piston 4 is set in tubular valve body cylinder body 3, is fixedly installed on the upper top surface of valve body piston 4
There is piston rod 5, cylinder body top cover 6 is fixedly installed on the top surface of tubular valve body cylinder body 3, is provided in the centre of cylinder body top cover 6
Piston rod moves inner cavity 7, and the top setting of piston rod 5 is in the mobile inner cavity 7 of piston rod, in 6 lower end surface of cylinder body top cover and valve body
It is socketed with pressure spring 14 on piston rod 5 between the upper surface of piston 4, limiting through hole 11 is set in the upper end of piston rod 5, is being limited
It is provided with steel-ball limiting groove 8 on the mobile inner cavity 7 of piston rod in 11 left side of through-hole, is set on the upper top surface of steel-ball limiting groove 8
It is equipped with sloped top face 9, solenoid valve 10 is provided in the cylinder body top cover 6 on 11 right side of limiting through hole, in steel-ball limiting groove 8 and limit
Setting limit steel ball 15 between the left port of position through-hole 11, the output shaft 12 of solenoid valve 10 extend into limiting through hole 11 rear and limit
The right end apical grafting of position steel ball 15 together, is provided with pressure sensor, the output of pressure sensor in high pressure gas vapor tight tank 1
End is electrically connected with solenoid valve 10, and pressure release through-hole 13, the inside of pressure release through-hole 13 are provided on high pressure gas vapor tight tank 1
Port and the side of valve body piston 4 are connected together, and the exterior side port of pressure release through-hole 13 is communicated with the atmosphere；
Second step, when in high pressure gas vapor tight tank 1 air pressure be more than limit value when, the output end output voltage of pressure sensor
Signal acts solenoid valve 10, and the output shaft 12 of solenoid valve 10 retracts, while limiting steel ball 15 and entering in limiting through hole 11,
Release the output shaft 12 for limiting steel ball 15 and solenoid valve 10 to the limit of piston rod 5, valve body piston 4 and piston rod 5 are in high pressure
It is moved up under the action of over-pressure gas in confined gas tank 1, (4 are further compressed pressure spring, make when moving on on valve body piston 4
When the interior side port of pressure release through-hole 13 is connected to 1 inner cavity of high pressure gas vapor tight tank, the gas in high pressure gas vapor tight tank 1 is by letting out
Pressure through-hole 13 is leaked into atmosphere；
Third step, with the leakage of the gas in high pressure gas vapor tight tank 1, air pressure decline, valve in high pressure gas vapor tight tank 1
Body piston 4 and piston rod 5 move down under the action of pressure spring 14, when air pressure drops to normal value in tank, pressure sensor
Output end output voltage signal, act solenoid valve 10, the output shaft 12 of solenoid valve 10 protrudes into limiting through hole 11,
Output shaft 12 apical grafting limits steel ball 15, makes to limit steel ball 15 and re-enters into steel-ball limiting groove 8, at this time pressure release through-hole 13
Interior side port is closed by valve body piston 4 again, and the pressure in high pressure gas vapor tight tank 1 is made to be maintained at normal value.
Claims (2)
1. a kind of high pressure gas closed container releasing pressure automatically pressure-keeping mechanism, including high pressure gas vapor tight tank (1), close in high pressure gas
It closes on tank (1) and is provided with relief valve mounting hole (2), tubular valve body cylinder body (3) is fixedly installed on relief valve mounting hole (2),
It is characterized in that, being provided with valve body piston (4) in tubular valve body cylinder body (3), fixation is set on the upper top surface of valve body piston (4)
Piston rod (5) are equipped with, cylinder body top cover (6) are fixedly installed on the top surface of tubular valve body cylinder body (3), in cylinder body top cover (6)
Centre is provided with piston rod movement inner cavity (7), and the top setting of piston rod (5) is in piston rod mobile inner cavity (7), in cylinder body
Pressure spring (14) are socketed on piston rod (5) between top cover (6) lower end surface and the upper surface of valve body piston (4), in piston rod (5)
Upper end be provided with limiting through hole (11), steel ball limit is provided on piston rod on the left of limiting through hole (11) mobile inner cavity (7)
Position groove (8), is provided with sloped top face (9), the cylinder on the right side of limiting through hole (11) on the upper top surface of steel-ball limiting groove (8)
It is provided with solenoid valve (10) in body top cover (6), is provided between steel-ball limiting groove (8) and the left port of limiting through hole (11)
It limits steel ball (15), the output shaft (12) of solenoid valve (10) extend into the rear right end with limit steel ball (15) in limiting through hole (11)
Apical grafting together, is provided with pressure sensor, the output end and solenoid valve of pressure sensor in high pressure gas vapor tight tank (1)
(10) it is electrically connected, is provided on high pressure gas vapor tight tank (1) pressure release through-hole (13), the inner end of pressure release through-hole (13)
The side of mouth and valve body piston (4) is connected together, and the exterior side port of pressure release through-hole (13) is communicated with the atmosphere.
2. a kind of high pressure gas closed container releasing pressure automatically pressure-keeping mechanism according to claim 1, which is characterized in that in valve
Sealing ring (16) are provided between body piston (4) and tubular valve body cylinder body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822107530.2U CN209325115U (en) | 2018-12-16 | 2018-12-16 | High pressure gas closed container releasing pressure automatically pressure-keeping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822107530.2U CN209325115U (en) | 2018-12-16 | 2018-12-16 | High pressure gas closed container releasing pressure automatically pressure-keeping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209325115U true CN209325115U (en) | 2019-08-30 |
Family
ID=67726908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822107530.2U Withdrawn - After Issue CN209325115U (en) | 2018-12-16 | 2018-12-16 | High pressure gas closed container releasing pressure automatically pressure-keeping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209325115U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404578A (en) * | 2018-12-16 | 2019-03-01 | 山西汾西重工有限责任公司 | High pressure gas closed container releasing pressure automatically pressure-keeping mechanism and releasing pressure automatically pressure maintaining method |
| CN113080639A (en) * | 2021-04-09 | 2021-07-09 | 重庆电子工程职业学院 | Multifunctional drawing equipment |
-
2018
- 2018-12-16 CN CN201822107530.2U patent/CN209325115U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404578A (en) * | 2018-12-16 | 2019-03-01 | 山西汾西重工有限责任公司 | High pressure gas closed container releasing pressure automatically pressure-keeping mechanism and releasing pressure automatically pressure maintaining method |
| CN109404578B (en) * | 2018-12-16 | 2024-05-28 | 山西汾西重工有限责任公司 | Automatic pressure relief and pressure maintaining mechanism and automatic pressure relief and pressure maintaining method for high-pressure gas airtight container |
| CN113080639A (en) * | 2021-04-09 | 2021-07-09 | 重庆电子工程职业学院 | Multifunctional drawing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190830 Effective date of abandoning: 20240528 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190830 Effective date of abandoning: 20240528 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |