CN109540375A - A kind of anti-corrosion explosion-proof type pressure gauge - Google Patents
A kind of anti-corrosion explosion-proof type pressure gauge Download PDFInfo
- Publication number
- CN109540375A CN109540375A CN201811562712.7A CN201811562712A CN109540375A CN 109540375 A CN109540375 A CN 109540375A CN 201811562712 A CN201811562712 A CN 201811562712A CN 109540375 A CN109540375 A CN 109540375A
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- CN
- China
- Prior art keywords
- pipe
- watchcase
- pipeline
- voltage discharging
- area
- 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.)
- Pending
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 22
- 239000005357 flat glass Substances 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 230000003628 erosive effect Effects 0.000 claims abstract description 6
- 239000002253 acid Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 5
- 238000004880 explosion Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0618—Overload protection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0627—Protection against aggressive medium in general
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0663—Flame protection; Flame barriers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
Abstract
The invention discloses a kind of anti-corrosion explosion-proof type pressure gauges, including watchcase, dial plate and the first sheet glass, the skin surface is equipped with erosion resistant coating, demarcation plate is equipped with inside the dial plate, the demarcation plate will be divided into inside watchcase surveys pressure area and voltage discharging area, relief pipeline is equipped in the voltage discharging area, the relief pipeline includes first pipe, second pipe and third pipeline, the second pipe is conical pipe, the first pipe top passes through watchcase and is connected to ambient atmosphere, the second pipe larger diameter end is connected to first pipe bottom end, the second pipe smaller diameter end is connected to third pipeline top, third pipeline bottom end is connected to voltage discharging area, regulating part and elastic component are equipped in the first pipe, ball sealer is equipped in the second pipe, described elastic component one end connects regulating part, the other end connects ball sealer, beneficial effects of the present invention are : it can adapt to acid, alkaline working environment, improve the accuracy rate of pressure gauge, have the function of releasing pressure automatically, guarantee the safety of staff.
Description
Technical field
The invention belongs to test instrumentation technical field more particularly to a kind of anti-corrosion explosion-proof type pressure gauges.
Background technique
Pressure gauge refers to the instrument for measuring and indicating using elastic element as sensing element higher than environmental pressure, using extremely
Generally, it almost spreads all industrial flow and scientific research field, and existing pressure gauge can all have special in actual use
Operation instruction and requirement, but still can there is a phenomenon where maloperations, especially using mistake pressure gauge go to measure it is larger
But will occur the phenomenon that explosion when pressure carrier, and existing pressure gage surface is fitted with sheet glass, caused by explosion
Pressure release generates strong air-flow when breaking through sheet glass, can cause centainly to injure to operator, and in actual use, meets
When to corrosive acid-base material, a degree of corrosion can be caused to pressure gauge, influences the knot of entire gauge measurement
Fruit.
Summary of the invention
In view of the above deficiencies, the present invention provides a kind of anti-corrosion explosion-proof type pressure gauges, can adapt to acid, alkaline building ring
Border improves the accuracy rate of pressure gauge, has the function of releasing pressure automatically, guarantees the safety of staff.
The present invention is achieved by the following technical solutions: a kind of anti-corrosion explosion-proof type pressure gauge, including watchcase, dial plate and
One sheet glass, the skin surface are equipped with erosion resistant coating, and the watchcase front is fixed with the first sheet glass, is equipped with inside the dial plate
Demarcation plate, the demarcation plate will be divided into inside watchcase surveys pressure area and voltage discharging area, and the dial plate setting is being surveyed in pressure area, the pressure release
Relief pipeline is equipped in area, the relief pipeline includes first pipe, second pipe and third pipeline, and the second pipe is cone
Shape pipe, the first pipe top pass through watchcase and are connected to ambient atmosphere, and the second pipe larger diameter end is connected to first pipe
Bottom end, the second pipe smaller diameter end are connected to third pipeline top, and third pipeline bottom end is connected to voltage discharging area, and described the
It is equipped with regulating part and elastic component in one pipeline, ball sealer is equipped in the second pipe, described elastic component one end connects regulating part,
The other end connects ball sealer, and the diameter of the ball sealer is described between second pipe major diameter and minor diameter size
Watchcase bottom is equipped with admission line, and the admission line is communicated with survey pressure area and voltage discharging area respectively.
As an improvement of the present invention, the admission line be tapered hollow pipe, the admission line smaller diameter end with
Watchcase bottom is connected to, restriction ball in the admission line, and the restriction ball is connected by the bottom of filament and demarcation plate, and current limliting
The diameter of ball is between admission line major diameter and minor diameter size.
As an improvement of the present invention, communicating passage is equipped at the top of the watchcase, communicating passage one end connection is surveyed
Pressure area, the other end are connected to voltage discharging area.
As an improvement of the present invention, the second sheet glass is equipped between first sheet glass and dial plate.
Compared with prior art, it the invention has the benefit that by setting relief pipeline and admission line, is realizing certainly
Admission line is closed while dynamic pressure release, prevents the Fluid pressure more than pressure gauge maximum range from entering in pressure gauge, has good
Good explosion prevention function, it is ensured that the safety of staff, shell exterior are equipped with erosion resistant coating, so that pressure gauge can adapt to acid, alkalinity
Working environment, improve the accuracy of gauge measurement.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural representation enlarged drawing of relief pipeline in the present invention.
Reference signs list: 1, watchcase；2, dial plate；3, the first sheet glass；4, erosion resistant coating；5, demarcation plate；6, the second glass
Piece；7, pressure area is surveyed；8, voltage discharging area；9, relief pipeline；10, first pipe；11, second pipe；12, third pipeline；13, it adjusts
Part；14, elastic component；15, ball sealer；16, admission line；17, restriction ball；18, communicating passage.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remote
Direction from geometric center of specific component.
As depicted in figs. 1 and 2, a kind of anti-corrosion explosion-proof type pressure gauge, including watchcase 1, dial plate 2 and the first sheet glass 3, it is described
1 surface of watchcase is equipped with erosion resistant coating 4, and 1 front of watchcase is fixed with the first sheet glass 3, is equipped with demarcation plate 5 inside the dial plate 1,
The demarcation plate 5 will be divided into inside watchcase 1 surveys pressure area 7 and voltage discharging area 8, and the setting of dial plate 2 is being surveyed in pressure area 7, the pressure release
It is equipped with relief pipeline 9 in area 8, the relief pipeline includes first pipe 10, second pipe 11 and third pipeline 12, and described second
Pipeline 11 is conical pipe, and 10 top of first pipe passes through watchcase 1 and is connected to ambient atmosphere, 11 major diameter of second pipe
End connection 10 bottom end of first pipe, 11 smaller diameter end of second pipe are connected to 12 top of third pipeline, the third pipeline 12
Bottom end is connected to voltage discharging area 8, and regulating part 13 and elastic component 14 are equipped in the first pipe 10, is equipped in the second pipe 11
Ball sealer 15, described 14 one end of elastic component connect regulating part 13, and the other end connects ball sealer 15, and the diameter of the ball sealer 15 is big
It is small between 11 major diameter of second pipe and minor diameter size, 1 bottom of watchcase be equipped with admission line 16, the air inlet pipe
Road 16 is communicated with survey pressure area 8 and voltage discharging area 9 respectively.
In pressure gauge before use, according to the maximum range of pressure gauge, regulating part 13 is adjusted, is applied to adjusting elastic component 14
The elastic pressure of ball sealer 15, wherein elastic pressure is equal to the Maximum safe pressure that pressure gauge can be born, and when normal work, needs
The pressure to be measured is entered by admission line 16 surveys pressure area 7, shows pressure value, ball sealer 15 and second pipe by dial plate 2
The conical surface be in contact, first pipe 10 and voltage discharging area 8 are not turned on, when from admission line 16 enter survey pressure area 7 and voltage discharging area 8 pressure
When power is more than elastic pressure, the pressure in relief pipeline will push ball sealer 15 and can leave the conical surface of second pipe 11 transports upwards
It is dynamic, so that first pipe 10 is connected by second pipe 11 and third pipeline 12 and voltage discharging area 8, and then to survey pressure area 7 and pressure release
Fluid in area 8 carries out pressure release, avoids the damage for leading to dial plate more than elastic pressure due to the pressure for surveying pressure area 7.
As a kind of embodiment of the invention, the admission line 16 is tapered hollow pipe, and the admission line 16 is small straight
Diameter end is connected to 1 bottom of watchcase, restriction ball 17 in the admission line 16, and the restriction ball 17 passes through filament and demarcation plate 5
Bottom connection, and the diameter of restriction ball 17 is located between 16 major diameter of admission line and minor diameter size, when from air inlet pipe
When road 16 enters the pressure for surveying pressure area 7 and voltage discharging area 8 more than elastic pressure, under the action of pressure difference, restriction ball 17 and air inlet pipe
The conical surface in road 16 is in contact, and reduces the flow that fluid flows into shell.
As a kind of embodiment of the invention, communicating passage 18, the communicating passage 18 1 are equipped at the top of the watchcase 1
Pressure area 7 is surveyed in end connection, and the other end is connected to voltage discharging area 8, is accelerated voltage discharging area 8 when needing pressure release and is surveyed the flowing of 9 fluid of pressure area, will
The intracorporal fluid of shell is discharged as early as possible.
As a kind of embodiment of the invention, it is equipped with the second sheet glass 6 between first sheet glass 3 and dial plate 1, adds
The explosion prevention function of strong pressure table, under the double action of the first glass plate 3 and the second glass plate 6, it can be ensured that under explosive event,
Protect the personal safety of staff.
Finally, it should be noted that being not intended to restrict the invention the foregoing is merely preferred embodiment of the invention, to the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention
Within the scope of shield.
Claims (4)
1. a kind of anti-corrosion explosion-proof type pressure gauge, it is characterised in that: including watchcase, dial plate and the first sheet glass, the skin surface
Equipped with erosion resistant coating, the watchcase front is fixed with the first sheet glass, is equipped with demarcation plate inside the dial plate, and the demarcation plate is by table
It is divided into inside shell and surveys pressure area and voltage discharging area, the dial plate setting is being surveyed in pressure area, and relief pipeline is equipped in the voltage discharging area, described
Relief pipeline includes first pipe, second pipe and third pipeline, and the second pipe is conical pipe, the first pipe top
It is connected to across watchcase with ambient atmosphere, the second pipe larger diameter end is connected to first pipe bottom end, and the second pipe is small straight
Diameter end is connected to third pipeline top, and the third pipeline bottom end be connected to voltage discharging area, in the first pipe equipped with regulating part with
Elastic component, the second pipe is interior to be equipped with ball sealer, and described elastic component one end connects regulating part, and the other end connects ball sealer, institute
The diameter of ball sealer is stated between second pipe major diameter and minor diameter size, the watchcase bottom is equipped with air inlet pipe
Road, the admission line are communicated with survey pressure area and voltage discharging area respectively.
2. anti-corrosion explosion-proof type pressure gauge according to claim 1, it is characterised in that: the admission line is tapered hollow
Pipe, the admission line smaller diameter end are connected to watchcase bottom, and restriction ball in the admission line, the restriction ball passes through filament
It is connect with the bottom of demarcation plate, and the diameter of restriction ball is between admission line major diameter and minor diameter size.
3. anti-corrosion explosion-proof type pressure gauge according to claim 1, it is characterised in that: it is logical to be equipped with connection at the top of the watchcase
Pressure area is surveyed in road, communicating passage one end connection, and the other end is connected to voltage discharging area.
4. anti-corrosion explosion-proof type pressure gauge according to claim 1, it is characterised in that: first sheet glass and dial plate it
Between be equipped with the second sheet glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562712.7A CN109540375A (en) | 2018-12-20 | 2018-12-20 | A kind of anti-corrosion explosion-proof type pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562712.7A CN109540375A (en) | 2018-12-20 | 2018-12-20 | A kind of anti-corrosion explosion-proof type pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109540375A true CN109540375A (en) | 2019-03-29 |
Family
ID=65855886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811562712.7A Pending CN109540375A (en) | 2018-12-20 | 2018-12-20 | A kind of anti-corrosion explosion-proof type pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109540375A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112642373A (en) * | 2020-11-23 | 2021-04-13 | 宁波职业技术学院 | Full-automatic chemical reaction device |
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|---|---|---|---|---|
| FR1404522A (en) * | 1964-05-19 | 1965-07-02 | Air Liquide | Direct acting regulator |
| DE2142394A1 (en) * | 1970-10-16 | 1972-04-20 | Grove Valve & Regulator Co | Shut-off element, in particular a valve with an expandable pipe for low dispensing pressure and a pressure control or regulation system |
| DE10007818A1 (en) * | 2000-02-21 | 2001-08-23 | Mahrt Karl Heinz | High pressure capability compact precision measurement head, has pressure protected area where received beam is evaluated, and front section having volume of 0.5 cubic millimeter |
| CN2586149Y (en) * | 2002-12-13 | 2003-11-12 | 天津市泰菲特仪器仪表技术有限公司 | Anti-corrosion dual-needle, dual-tube manometer |
| CN201028075Y (en) * | 2007-04-20 | 2008-02-27 | 陈艳 | Compressed spring type barometric automatic drain valve |
| CN202522368U (en) * | 2012-04-23 | 2012-11-07 | 童纪国 | Highly sealed high anti-corrosion shock-proof pressure meter |
| CN202893607U (en) * | 2012-09-28 | 2013-04-24 | 中国石油天然气股份有限公司 | Bidirectional pressure controlled internal extrusion coating anti-corrosive device for oil-gas pipeline |
| CN203275019U (en) * | 2013-04-26 | 2013-11-06 | 江苏杰克仪表有限公司 | Novel anti-corrosion pressure gauge |
| CN103616125A (en) * | 2013-12-19 | 2014-03-05 | 东南大学 | Digital pressure meter used in extreme site environment |
| CN204330205U (en) * | 2015-01-08 | 2015-05-13 | 李金凤 | A kind of explosion-proof type tensimeter of improvement |
| CN107449547A (en) * | 2017-09-29 | 2017-12-08 | 无锡市凯丰压力表有限公司 | The anti-strong rotten diaphragm of one kind |
| CN207095765U (en) * | 2017-07-08 | 2018-03-13 | 慈溪市华东压力表有限公司 | A kind of pressure gauge with relief valve |
| CN207280654U (en) * | 2017-09-21 | 2018-04-27 | 天津市泰菲特仪器仪表技术有限公司 | A kind of anti-explosion safe pressure gauge |
| CN207296933U (en) * | 2017-04-01 | 2018-05-01 | 高洁 | A kind of oil field tubing string conveying device |
| CN108534946A (en) * | 2018-04-10 | 2018-09-14 | 浙江海宁和金电子科技有限公司 | A kind of power-adjustable type pressure gauge of solar water heater |
| CN209197979U (en) * | 2018-12-20 | 2019-08-02 | 安徽天康(集团)股份有限公司 | A kind of anti-corrosion explosion-proof type pressure gauge |
-
2018
- 2018-12-20 CN CN201811562712.7A patent/CN109540375A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1404522A (en) * | 1964-05-19 | 1965-07-02 | Air Liquide | Direct acting regulator |
| DE2142394A1 (en) * | 1970-10-16 | 1972-04-20 | Grove Valve & Regulator Co | Shut-off element, in particular a valve with an expandable pipe for low dispensing pressure and a pressure control or regulation system |
| DE10007818A1 (en) * | 2000-02-21 | 2001-08-23 | Mahrt Karl Heinz | High pressure capability compact precision measurement head, has pressure protected area where received beam is evaluated, and front section having volume of 0.5 cubic millimeter |
| CN2586149Y (en) * | 2002-12-13 | 2003-11-12 | 天津市泰菲特仪器仪表技术有限公司 | Anti-corrosion dual-needle, dual-tube manometer |
| CN201028075Y (en) * | 2007-04-20 | 2008-02-27 | 陈艳 | Compressed spring type barometric automatic drain valve |
| CN202522368U (en) * | 2012-04-23 | 2012-11-07 | 童纪国 | Highly sealed high anti-corrosion shock-proof pressure meter |
| CN202893607U (en) * | 2012-09-28 | 2013-04-24 | 中国石油天然气股份有限公司 | Bidirectional pressure controlled internal extrusion coating anti-corrosive device for oil-gas pipeline |
| CN203275019U (en) * | 2013-04-26 | 2013-11-06 | 江苏杰克仪表有限公司 | Novel anti-corrosion pressure gauge |
| CN103616125A (en) * | 2013-12-19 | 2014-03-05 | 东南大学 | Digital pressure meter used in extreme site environment |
| CN204330205U (en) * | 2015-01-08 | 2015-05-13 | 李金凤 | A kind of explosion-proof type tensimeter of improvement |
| CN207296933U (en) * | 2017-04-01 | 2018-05-01 | 高洁 | A kind of oil field tubing string conveying device |
| CN207095765U (en) * | 2017-07-08 | 2018-03-13 | 慈溪市华东压力表有限公司 | A kind of pressure gauge with relief valve |
| CN207280654U (en) * | 2017-09-21 | 2018-04-27 | 天津市泰菲特仪器仪表技术有限公司 | A kind of anti-explosion safe pressure gauge |
| CN107449547A (en) * | 2017-09-29 | 2017-12-08 | 无锡市凯丰压力表有限公司 | The anti-strong rotten diaphragm of one kind |
| CN108534946A (en) * | 2018-04-10 | 2018-09-14 | 浙江海宁和金电子科技有限公司 | A kind of power-adjustable type pressure gauge of solar water heater |
| CN209197979U (en) * | 2018-12-20 | 2019-08-02 | 安徽天康(集团)股份有限公司 | A kind of anti-corrosion explosion-proof type pressure gauge |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112642373A (en) * | 2020-11-23 | 2021-04-13 | 宁波职业技术学院 | Full-automatic chemical reaction device |
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