CN204101229U - The device for pressure measurement that receptacle separates - Google Patents
The device for pressure measurement that receptacle separates Download PDFInfo
- Publication number
- CN204101229U CN204101229U CN201420253090.0U CN201420253090U CN204101229U CN 204101229 U CN204101229 U CN 204101229U CN 201420253090 U CN201420253090 U CN 201420253090U CN 204101229 U CN204101229 U CN 204101229U
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- CN
- China
- Prior art keywords
- pressure
- piston
- receptacle
- pressure measurement
- measurement according
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- 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.)
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Classifications
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- 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
- G01L19/0007—Fluidic connecting means
- G01L19/0046—Fluidic connecting means using isolation membranes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/04—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
Abstract
The utility model relates to the device for pressure measurement that receptacle separates.This device for pressure measurement is by the measuring sensor of Bourdon tube or form of film, and the calculation element connected be presented on display part is formed by force value, this pressure apparatus has pressure connecting channels, this pressure connecting channels is filled with pressure transmission medium, and separated by receptacle and process, and wherein, pressure connecting channels has loads adapter or connecting tubes, and wherein, receptacle is by move, piston-forming part is formed, it is supported in the region of press-in connection hydrodynamic reciprocating sealing, and wherein, process pressure acts on pressure transmission medium and measuring sensor by piston-forming part and receptacle.
Description
Technical field
The utility model relates to and a kind ofly has by managing or the device for pressure measurement of measuring sensor that colorimetric sensor films is formed, wherein, the pressure of process side passes through receptacle (Vorlage) to be separated with pressure transducer path, and wherein, the durability under extreme service condition is improved.
Background technology
At device for pressure measurement used so far, process pressure by separately-film transfer to having in the measurement structure of filling with oil of sensing device and calculation of pressure device, pressure-path.Especially, under extreme conditions, crack when the strong alternating bending of film, result in the durability of device for pressure measurement under extreme service condition poor.
Utility model content
The purpose of this utility model is, provides a kind of solution of low cost, for improvement of the use persistence under rigor condition.This should be prevented by the receptacle strengthened, and makes the particle in self and process medium or impurity strong collision that measurement mechanism can not be caused to shut down.This object is realized by the structure described in the independent claim.
The utility model based on following manner, that is, should realize useful receptacle-structure, wherein, even if under extreme conditions also should to realize maximum fastness at low cost.This is especially to vibration, impact under vacuum condition with to run through receptacle due to the strong shock of impurity effective.Especially, use at deep-sea and air-breathing in seabed and cleaning process time, when to suck rock for a long time in seabed and be remaining, cause at utmost different compression shocks and lost material to damage.
According to the utility model, device for pressure measurement is by the measuring sensor of Bourdon tube or form of film, and the calculation element connected be presented on display part is formed by force value, this device for pressure measurement has pressure connecting channels, this pressure connecting channels is filled with pressure transmission medium, and separated by receptacle and process, and wherein, pressure connecting channels has loads adapter or connecting tubes, and wherein, receptacle is by move, piston-forming part is formed, it is supported in the region of press-in connection hydrodynamic reciprocating sealing, and wherein, process pressure acts on pressure transmission medium and measuring sensor by piston-forming part and receptacle.
In addition, piston-forming part is provided with loss safety apparatus, and it prevents piston-forming part from press-in connection region exceedingly out or loss under vacuum condition.
Loss safety apparatus are made up of the interior section with recess, and safety apparatus are engaged in this recess.
The stroke of piston-forming part and receptacle is restricted to 2-8mm.
The thickness of piston shape receptacle is 3-35mm, or wherein, the diameter of piston shape receptacle is 10-70mm, or wherein, piston shape receptacle in press-in connection region inner support on 2 sealing rings, or wherein, the coated or polishing of piston chamber.
Device for pressure measurement is made up of bottom Process part and top measure portion substantially, and wherein, Process part holds piston shape receptacle, and wherein, measure portion holds calculation of pressure device, and it is characterized in that, Process part and measure portion couple by thread seal or be welded to each other.
Press-in connection and piston shape receptacle are made up of stainless steel, or wherein, the measuring sensor as film is calculated for bending electronically.
Piston shape receptacle is sealed to press-in connection by means of at least one O shape ring.
Internal loss safety apparatus are formed by used ring, it utilizes gap to extend in the safety apparatus of piston shape receptacle, or wherein, be placed in the gap that outside ring restriction passes to process, or wherein, gap is limited by crimping, or wherein, loss safety apparatus are made up of pin, and this pin is fixed in through-holes hermetically in piston.
Press-in connection has external screw-thread or Flange joint.
Accompanying drawing explanation
fig. 1 illustratesa cross section according to the device for pressure measurement in embodiment of the present utility model;
Fig. 2 illustrates another cross section according to the device for pressure measurement in embodiment of the present utility model;
Fig. 3 illustrates another cross section according to the device for pressure measurement in embodiment of the present utility model; And
Fig. 4 illustrates another cross section according to the device for pressure measurement in embodiment of the present utility model.
Embodiment
Fig. 1 illustrates a cross section according to the device for pressure measurement in embodiment of the present utility model.
Device for pressure measurement 1 is made up of the measuring sensor of the such as form of film 2 described herein, and this film is preferably provided with strain measurement element (Dehnungsmesselement), and is connected with the calculation element 3 of electronic circuit board form thereon.But measuring sensor equally also may be embodied in this unshowned Bourdon tube form, couples the marking tools as calculation element thereon.When computing electronics, circuit board is preferably placed in columniform housing 20, and the plug type that this housing upwards has with sensor contacts portion 31 connects.By the attachment plug 18 of plugging, measured value and force value are transferred to operation panel (Warte) by means of signal wire 19, and the force value measured by this is presented on display part.
In addition, as pressure pass on body (Druckmittler), device for pressure measurement has pressure connecting channels 4, its be such as oil pressure transmission medium filling.For general pressure transfer body, before film is positioned at pressure connecting channels, pressure process is transmitted fluid 5 by pressure and is passed to pressure transducer by it.Stop impurity to enter measuring sensor by the measuring system of filling with oil, and block Measurement channel or measuring sensor, and can be influenced in its function aspects.Certainly, general film very thin, and be easy crackle.Therefore the structure of such as also known observation film breaks.For at this according to embodiment of the present utility model, replace general pressure transfer body film, by the receptacle of the piston 6A forming process side of specific, motion separately.To this, as the piston be supported in pressure transfer body bottom 7 of the receptacle for process side 7, have sealing ring 11A, it transmits fluid 5 for pressure and has sealing effectiveness, is bearing on its outer piston diameter D1 by piston 6A ground, process side passive movement in low portion 8 simultaneously.
Preferably, the diameter D1 of piston 6A is 10-70mm, and diameter preferably at 20-50mm, and is highly 3-35mm, is preferably 6-20mm, and is preferably made up of stainless steel.
In addition, in this embodiment, pressure intermediate bottom has process side and is threaded, and its diameter D2 is such as 30-60mm is provided with screw thread.
Flange 14 can be used as and screws in baffle plate and hold seal, and meanwhile, flange 14 or pressure transfer body bottom are provided with such as hexagonal instrumental purpose face on the outside, and it can be used for device for pressure measurement to screw in process opening.
Especially, for this embodiment, piston 6A is provided with loss safety apparatus, and the gap (Spiel) of its simultaneously limited piston, limits especially forward.To this, after ring 12 is fixed on piston 6A, it forms opening 20A, and pressure intermediate fluid may flow through this opening, also forms central opening and hole 34, and the loss safety apparatus of the pin 10A form be connected with piston 6A are through acting on this opening.This pin preferably by means of around weld part 15 be fixed in the center pit in piston 6A.Preferably, when device completes, parts and pressure transfer body bottom 8, piston 6A and pin 10A concordant (buendig) close in process 7.
To this, especially, as loss safety apparatus, act on protuberance or recess 13A by ring 12, it is as the baffle plate preventing piston from skidding off.Especially, can arrange the gap S of loss safety apparatus like this, that is, the recess 13A acted on by ring 12 has gap, making when O shape ring 11A impacts can not from pressure transfer body bottom 8 out, or as evenly placing with the bottom process coupling face of low portion 8 of above having described.When pressure process raises, piston 6A preferably inwardly moves.According to design, pressure transfer body bottom 8 realizes the whole height h of 40-80mm.
Device for pressure measurement is favourable to be built into two-part, that is, be made up of pressure transfer body bottom 8 and Sensor section 16, it supports hermetically measures film 2.Preferably, the connection that these two module sections can be sealed mutually by the connecting portion 17 of thread forms, it produces the press-in connection to measuring film by the passage 4 of low portion simultaneously.
For stuffing pressure measurement mechanism 1, it is empty that it preferably has closed filling.In embodiment shown here, filler opening 7 is placed in pressure measurement sensor part 16, and is sealed shut after filling by means of stopper.
Fig. 2 illustrates another cross section according to the device for pressure measurement in embodiment of the present utility model.
For this embodiment, measure pressure P m and separated with pressure process P1 by piston shape receptacle 6B, this pressure acts on piston area.Form part that move, piston shape, be bearing in the region of press-in connection at this by shape seal 11B seal-moving, pressure process is acted on pressure transmission medium 4 by piston-forming part 6B, receptacle, and acts on this unshowned measuring sensor.At this, place baffle plate 25 as the external baffle passing to process, its can be used as around baffle rings or realize by means of baffle plate section.The flange 26 that pressure transfer body bottom is formed of the fixed orifice 23 circumferentially had is used as process and connects.
In process, it has stair-stepping sealing geometry in addition, and it is coated with encapsulant 27, or is provided with coating 27, even if it can make in adverse conditions and again dismantle pressure transfer body bottom simply after long dead time.As material, plastics or ductile metal are preferably used to this, such as PTEE, PFA, aluminium or copper.
Preferably, seal 11B is the disk seal part of the radius with formation, this radius is coated with slip adminicle.Extended surface 8B in pressure transfer body bottom is same, and on this face, sealing ring, when applying pressure, is coated with coating slidably, or preferably polished relative to surfaceness, preferably by abrasive pastes.As an alternative, surface can polished or electropolishing and plating, metallic coating.
Fig. 3 illustrates another cross section according to the device for pressure measurement in embodiment of the present utility model.
To this, the loss safety apparatus for piston are realized by pin 10B, and it is engaged in the recess 13D of piston 6C.Recess 13B is preferably formed around ground at this.Preferably, the filling opening for the pressure transfer body fluid of filling channel system 4 and piston chamber 5 realizes as the stopper 7B that can screw in.
Piston seal 11C is preferably built into two-part, and wherein, slide outside ring (hacures illustrate) implements sealing function, and below, the O shape circulating application be positioned under it adds sealing force.
Fig. 4 illustrates another cross section according to the device for pressure measurement in embodiment of the present utility model, wherein, being preferably welded in pin 10C in piston 6D is engaged in the part 33 of pressure transfer body bottom 8 as loss safety apparatus with its bending recess 13C, the bottom of its room 5 that is formed as being tightly connected.As optimization, it is except having other openings 20B for the center pit 34 of fulcrum post 10C, and when can be implemented in pressure alternation by it, pressure transmits the uncrossed flowing of fluid.
At this, piston 6D is bearing in piston chamber by 2 hermetic units separately, and it is bearing on the periphery of piston in two grooves separated.Therefore, piston bending and collision on piston wall is prevented best.
The utility model is not by the restriction of shown embodiment or be limited to this, and other embodiment is also possible.
Claims (10)
1. a device for pressure measurement, it is by the measuring sensor of Bourdon tube or form of film, and the calculation element connected be presented on display part is formed by force value, it is characterized in that, this device for pressure measurement has pressure connecting channels, this pressure connecting channels is filled with pressure transmission medium, and separated by receptacle and process, and wherein, pressure connecting channels has loads adapter or connecting tubes, and wherein, receptacle is by move, piston-forming part is formed, it is supported in the region of pressure transfer body bottom hydrodynamic reciprocating sealing, and wherein, process pressure acts on pressure transmission medium and measuring sensor by piston-forming part and receptacle.
2. pressure apparatus according to claim 1, is characterized in that, piston-forming part is provided with loss safety apparatus, and it prevents piston-forming part from press-in connection region exceedingly out or loss under vacuum condition.
3. device for pressure measurement according to claim 2, is characterized in that, loss safety apparatus are made up of the interior section with recess, and safety apparatus are engaged in this recess.
4. device for pressure measurement according to claim 1, is characterized in that, the stroke of piston-forming part and receptacle is restricted to 2-8mm.
5. device for pressure measurement according to claim 1, it is characterized in that, the thickness of piston shape receptacle is 3-35mm, or wherein, the diameter of piston shape receptacle is 10-70mm, or wherein, piston shape receptacle in press-in connection region inner support on 2 sealing rings, or wherein, the coated or polishing of piston chamber.
6. device for pressure measurement according to claim 1, it is characterized in that, device for pressure measurement is made up of bottom Process part and top measure portion substantially, wherein, Process part holds piston shape receptacle, and wherein, measure portion holds calculation of pressure device, and Process part and measure portion couple by thread seal or be welded to each other.
7. device for pressure measurement according to claim 1, is characterized in that, pressure transfer body bottom and piston shape receptacle are made up of stainless steel, or wherein, the measuring sensor as film carries out electronics calculating for bending.
8. device for pressure measurement according to claim 1, is characterized in that, piston shape receptacle is sealed to pressure transfer body bottom by means of at least one O shape ring.
9. device for pressure measurement according to claim 3, it is characterized in that, internal loss safety apparatus are formed by used ring, and it utilizes gap to extend in the safety apparatus of piston shape receptacle, or wherein, be placed in the gap that outside ring restriction passes to process, or wherein, gap is limited by crimping, or wherein, loss safety apparatus are made up of pin, and this pin is fixed in through-holes hermetically in piston.
10. device for pressure measurement according to claim 1, is characterized in that, pressure transfer body bottom has external screw-thread or Flange joint.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013021025.9 | 2013-12-17 | ||
| DE102013021025.9A DE102013021025A1 (en) | 2013-12-17 | 2013-12-17 | Pressure gauge with template separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204101229U true CN204101229U (en) | 2015-01-14 |
Family
ID=52269648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420253090.0U Active CN204101229U (en) | 2013-12-17 | 2014-05-16 | The device for pressure measurement that receptacle separates |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204101229U (en) |
| DE (1) | DE102013021025A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109642844A (en) * | 2016-08-16 | 2019-04-16 | 恩德莱斯和豪瑟尔欧洲两合公司 | For reducing the obturator of the volume of pressure measurement room |
| US11402287B2 (en) * | 2019-09-10 | 2022-08-02 | Structural Group, Inc. | Mechanical formwork pressure sensor for in-situ measurement of fluid pressure during concrete matertal placement and method of using the same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022102680A1 (en) | 2022-02-04 | 2023-08-10 | Endress+Hauser SE+Co. KG | Piston seal and system comprising a pressure transducer and a piston seal |
| DE102022102675A1 (en) | 2022-02-04 | 2023-08-10 | Endress+Hauser SE+Co. KG | Piston seal and system comprising a pressure transducer and a piston seal |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1038308B (en) * | 1954-12-31 | 1958-09-04 | Fred Ninnelt Dr Ing | Method and device for measuring large pressure areas |
| DE3625842A1 (en) * | 1986-07-30 | 1988-02-04 | Pfister Gmbh | PRESSURE MEASURING CELL |
| JP3570800B2 (en) * | 1995-11-01 | 2004-09-29 | 株式会社東海理化電機製作所 | Catheter with sensor function |
| DE19753874A1 (en) * | 1997-12-05 | 1999-06-17 | Bosch Gmbh Robert | Minute, linear pressure sensor with integral signal conditioning circuitry |
| DE10143020A1 (en) * | 2001-09-01 | 2003-03-27 | Messer Griesheim Gmbh | Device for determining the content of containers |
-
2013
- 2013-12-17 DE DE102013021025.9A patent/DE102013021025A1/en active Pending
-
2014
- 2014-05-16 CN CN201420253090.0U patent/CN204101229U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109642844A (en) * | 2016-08-16 | 2019-04-16 | 恩德莱斯和豪瑟尔欧洲两合公司 | For reducing the obturator of the volume of pressure measurement room |
| US10969287B2 (en) | 2016-08-16 | 2021-04-06 | Endress+Hauser SE+Co. KG | Filling body for reducing a volume of a pressure measurement chamber |
| CN109642844B (en) * | 2016-08-16 | 2021-09-28 | 恩德莱斯和豪瑟尔欧洲两合公司 | Filling body for reducing the volume of a pressure measuring chamber |
| US11402287B2 (en) * | 2019-09-10 | 2022-08-02 | Structural Group, Inc. | Mechanical formwork pressure sensor for in-situ measurement of fluid pressure during concrete matertal placement and method of using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013021025A1 (en) | 2015-06-18 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |