CN209707002U - A kind of minute-pressure device for fast detecting - Google Patents
A kind of minute-pressure device for fast detecting Download PDFInfo
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- CN209707002U CN209707002U CN201920647486.6U CN201920647486U CN209707002U CN 209707002 U CN209707002 U CN 209707002U CN 201920647486 U CN201920647486 U CN 201920647486U CN 209707002 U CN209707002 U CN 209707002U
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- pressure
- minute
- fast detecting
- conduit
- guiding pipe
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Abstract
The utility model relates to a kind of minute-pressure device for fast detecting, the seal being made of including one conduit, sealing rubber ring and rubber plug；One end of conduit sequentially passes through hole and the sealing rubber ring of the central axis of rubber plug, pressure guiding pipe is arranged in the other end of conduit, one end of pressure guiding pipe is connected by conduit with seal, and U-typed differential manometer is arranged in the other end of pressure guiding pipe；Minute-pressure device for fast detecting is set to be connected with thief hatch by seal.Straight line is carried out using flange configuration and compresses sealing, and pressure leads to integrated U-typed differential manometer by pressure guiding pipe and carries out pressure instruction, and measured real-time pressure value is then calculated according to local air pressure.The utility model have the advantages that structure it is simple, convenient for operation, for ease of maintenaince, measurement precisely, long service life, small investment.
Description
Technical field
The utility model relates to a kind of pressure-detecting devices, survey especially suitable for reading accurate survey calculation fastly under low pressure
Measure a kind of minute-pressure device for fast detecting of the real-time pressure value of point.
Background technique
As China's chemical industry rapidly develops, domestic production device is also higher and higher to the precision of pressure requirements, raw
Pressure measuring unit in production system often exists long neglected and in disrepair and repairs constant equal factors, and the deviation for eventually leading to measurement can not
Control not only it cannot be guaranteed that the accuracy of data monitoring, but also will also result in unnecessary interference to the normal operation of production system.
The utility model patent disclosed in Chinese patent CN203745126U discloses a kind of pressure-inducting device and pressure inspection
Examining system is related to pressure sensing arts, sets Wei that can solve filter medium clogging pipeline and pressure-detecting device overtemperatute simultaneously
Meter.The pressure-inducting device, is connected with pressure-detecting device, including pressure guiding pipe, and the pressure guiding pipe is zigzag shape, zigzag shape pressure guiding pipe
Each corner be smooth arc transition, one end of the zigzag shape pressure guiding pipe filled with water connects the pressure detecting dress
It sets.The manograph for ease of maintenaince, stablize, long service life by operational safety, mainly for reducing measuring medium temperature to measurement member
The influence of device.
A kind of method of accurate calibration micro-pressure detection is disclosed in Chinese patent CN101672714A, is mainly: adjustment U
Shape pipe makes the liquid level difference zero at its both ends；Assembling minute-pressure generating device；Three-way connection is closed before calibration, is added dropwise one to U-tube
Quantitative water, the liquid level at U-tube both ends will appear potential difference at this time, records above-mentioned liquid level difference and to be calibrated minute-pressure detection system defeated
Detection pressure value out；A certain amount of water is added dropwise to U-tube again later, then U-tube both ends form new liquid level difference again, record
This new liquid level difference and the new detection pressure value for being calibrated the output of minute-pressure detection system；Repeat above-mentioned dropwise addition water and record liquid level
The operation of difference and the detection pressure value for being calibrated the output of minute-pressure detection system, at least in triplicate；By the liquid level of above-mentioned record
Difference fastens mapping in rectangular co-ordinate with the corresponding detection pressure value for being calibrated the output of minute-pressure detection system.The present invention can essence
It really controls faint pressure detecting nominal pressure and reduces calibration cost.
Both minute-pressures detection has the disadvantage in that first is that pressure-inducting device resistance loss of pipeline, be easy to cause measured deviation,
And it is inconvenient, increase cost；Second is that measurement range is small, limitation is big.
Summary of the invention
The purpose of the utility model is to overcome drawbacks described above of the existing technology, and then provide a kind of be suitable for low
Pressure quick and precisely calculates the minute-pressure device for fast detecting of the real-time pressure true value of measurement point.
The technical solution of the utility model is: minute-pressure device for fast detecting described in the utility model, including one by leading
The seal of pipe, sealing rubber ring and rubber plug composition；One end of conduit sequentially passes through hole and the sealing rubber ring of the central axis of rubber plug,
Pressure guiding pipe is set in the other end of conduit, one end of pressure guiding pipe is connected by conduit with seal, and the other end of pressure guiding pipe is set
Set U-typed differential manometer；Minute-pressure device for fast detecting is set to be connected with thief hatch by seal.The rubber plug of conduit and tilt angle
Between install sealing rubber ring additional and prevent conduit and rubber plug from using gas leakage for a long time.
The minute-pressure device for fast detecting, further includes pressing device and lever；Thief hatch is flange form thief hatch；It compresses
One end of device passes through the screw hole of flange form thief hatch, and the other end is connect with lever；Quickly will by pressing device and lever
Seal and flange form thief hatch carry out vertical compression sealing.Pressing device can fast implement the sealing of thief hatch, complete to survey
Measure the acquisition of data.
The minute-pressure device for fast detecting, rubber plug and thief hatch are pressed into contact with sealing using bolt-type.
The minute-pressure device for fast detecting, the pressure guiding pipe are several fonts, each corner of a few font pressure guiding pipes
It is smooth arc transition.
The minute-pressure device for fast detecting, described in U-typed pressure difference be calculated as integrated U-typed differential manometer.
The minute-pressure device for fast detecting, described in rubber plug be section be trapezoidal soft rubber plug.
The minute-pressure device for fast detecting, the Each part of minute-pressure device for fast detecting are corrosion-resistant material.
The minute-pressure device for fast detecting, feature can be used as electronic surveying element and exist in the accuracy of measured value
The reference or comparison value of line correction.
The minute-pressure device for fast detecting, is all made of modularization, assembles and easy to maintenance.
Minute-pressure device for fast detecting provided by the utility model can not only realize the fast slowdown monitoring of minute-pressure, and can protect
The accuracy for demonstrate,proving data, to improve safety production efficiency.With it is structurally reasonable, convenient for operation, for ease of maintenaince, small investment it is excellent
Point, and then saved cost, improved production efficiency, realize pressure detector under minute-pressure state fast-holding installation and
The dynamic sealing of line pressure value measures.The utility model can be widely applied to during the on-line measurement of minute-pressure, especially with
During needing online to be corrected pressure measuring value according to production requirement needs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is pressing device and lever connection schematic diagram.
In Fig. 1-2: 1 being conduit, 2 be sealing rubber ring, 3 be rubber plug, 4 be pressure guiding pipe, 5 be U-typed differential manometer, 6
It is lever for pressing device, 7,8 is thief hatch.
Specific embodiment
Referring to attached drawing 1-2, a kind of minute-pressure device for fast detecting, including one by conduit (1), sealing rubber ring (2) and rubber plug
(3) seal formed；One end of conduit sequentially passes through hole and the sealing rubber ring of the central axis of rubber plug, in the other end of conduit
It is arranged pressure guiding pipe (4), one end of pressure guiding pipe is connected by conduit with seal, and U-typed pressure difference is arranged in the other end of pressure guiding pipe
It counts (5)；Minute-pressure device for fast detecting is set to be connected with thief hatch (8) by seal.
Another embodiment the difference is that, further include pressing device and lever；Thief hatch is flange form thief hatch；Pressure
One end of tight device passes through the screw hole of flange form thief hatch, and the other end is connect with lever；It is quick by pressing device and lever
Seal and flange form thief hatch are subjected to vertical compression sealing.
Another embodiment the difference is that, rubber plug and thief hatch are pressed into contact with sealing using bolt-type.
Another embodiment the difference is that, the pressure guiding pipe be several fonts, each corner of a few font pressure guiding pipes
It is smooth arc transition.
Another embodiment the difference is that, described in U-typed pressure difference be calculated as integrated U-typed differential manometer.
Another embodiment the difference is that, the Each part of minute-pressure device for fast detecting is corrosion-resistant material.
Another embodiment the difference is that, survey pressure when, there is one end of sealing rubber ring (2) to be put into thief hatch seal
(8), seal is quickly compressed by pressing device (6) and lever (7) and is sealed by the other end, is led to pressure by pressure guiding pipe (4)
U-typed differential manometer (5) carries out data record, then calculates pressure tap actual condition pressure according to local atmospheric pressure.
The working principle that the utility model is created: when surveying pressure, according to thief hatch size, suitable rubber plug is selected to carry out dynamic
Sealing, pressing device carry out forced seal, and pressure is led to U-typed differential manometer by pressure guiding pipe and carries out data record, then basis
Local atmospheric pressure calculates car locking point actual condition pressure, and timeliness is fast, and measurement and transmission are fast, and measured value is accurate, can be used for micro-
The check and correction of pressure field electronic pressure transmitter.
Claims (7)
1. a kind of minute-pressure device for fast detecting, it is characterised in that the sealing being made of including one conduit, sealing rubber ring and rubber plug
Body；One end of conduit sequentially passes through hole and the sealing rubber ring of the central axis of rubber plug, and pressure guiding pipe is arranged in the other end of conduit, draws
One end of pressure pipe is connected by conduit with seal, and U-typed differential manometer is arranged in the other end of pressure guiding pipe；Made by seal micro-
Pressure device for fast detecting is connected with thief hatch.
2. minute-pressure device for fast detecting according to claim 1, it is characterised in that further include pressing device and lever；Sampling
Mouth is flange form thief hatch；One end of pressing device passes through the screw hole of flange form thief hatch, and the other end is connect with lever；Pass through
Seal and flange form thief hatch are quickly carried out vertical compression sealing by pressing device and lever.
3. minute-pressure device for fast detecting according to claim 1, it is characterised in that rubber plug and thief hatch use bolt-type pressure
Close contact sealing.
4. minute-pressure device for fast detecting according to claim 1, it is characterised in that the pressure guiding pipe is several fonts, several fonts
Each corner of pressure guiding pipe is smooth arc transition.
5. minute-pressure device for fast detecting according to claim 1, it is characterised in that the U-typed pressure difference is calculated as integrated
U-typed differential manometer.
6. minute-pressure device for fast detecting according to claim 1, it is characterised in that the rubber plug is that section is trapezoidal
Soft rubber plug.
7. minute-pressure device for fast detecting according to any claim from 1 to 6, it is characterised in that minute-pressure is quickly examined
The Each part for surveying device is corrosion-resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920647486.6U CN209707002U (en) | 2019-05-08 | 2019-05-08 | A kind of minute-pressure device for fast detecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920647486.6U CN209707002U (en) | 2019-05-08 | 2019-05-08 | A kind of minute-pressure device for fast detecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209707002U true CN209707002U (en) | 2019-11-29 |
Family
ID=68650910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920647486.6U Active CN209707002U (en) | 2019-05-08 | 2019-05-08 | A kind of minute-pressure device for fast detecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209707002U (en) |
-
2019
- 2019-05-08 CN CN201920647486.6U patent/CN209707002U/en active Active
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