CN206019903U - A kind of pipe explosion pressure sensor systems - Google Patents
A kind of pipe explosion pressure sensor systems Download PDFInfo
- Publication number
- CN206019903U CN206019903U CN201620891032.XU CN201620891032U CN206019903U CN 206019903 U CN206019903 U CN 206019903U CN 201620891032 U CN201620891032 U CN 201620891032U CN 206019903 U CN206019903 U CN 206019903U
- Authority
- CN
- China
- Prior art keywords
- sensor base
- tube wall
- piezoresistive transducer
- pipe explosion
- explosion pressure
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of pipe explosion pressure sensor systems, belong to sensor field.The system includes piezoresistive transducer, sensor base, gasket seal, sensor base is welded with tube wall at pipeline corresponding aperture, piezoresistive transducer is passed through and is fixed in the inner chamber of sensor base, the semiconductor gauge of piezoresistive transducer lower end, the lower end of sensor base are mutually maintained an equal level with the inner side of tube wall, and seamless between semiconductor gauge and sensor base；Gasket seal is fixed in the inner chamber of sensor base, while be sleeved on piezoresistive transducer, and the radial distance between gasket seal and sensor base and the welding position of tube wall is the 1/2 3/4 of pipe thickness.Pipe explosion pressure sensor systems simple structure, easy for installation, piezoresistive transducer, sensor base and tube wall connection fastening, sealing is tight reliable, and data acquisition effectiveness is strong.
Description
Technical field
This utility model is related to sensor field, more particularly to a kind of pipe explosion pressure sensor systems.
Background technology
In pipe explosion experimentation, in order to ensure that pipe explosion tests normal, safe carrying out, pressure drag is generally adopted
Formula pressure transducer is monitored to the pressure in pipeline and controls.Therefore, it is necessary to provide a kind of pipe explosion be passed with pressure
Sensor system.
Prior art provides such a pipe explosion pressure sensor systems, including piezoresistive transducer, sealing
Pad and sensor base, wherein, sensor base is welded with tube wall at pipeline corresponding aperture, and piezoresistive transducer is through simultaneously
Be fixed in sensor base, and the bottom of the semiconductor gauge that carries of piezoresistive transducer lower end and sensor base it
Between there is preset distance, gasket seal is fixed on the sensor base inner chamber that sensor base is mutually maintained an equal level with tube wall welding position
In, while being sleeved on the piezoresistive transducer to realize both sealings.Pressure in pipeline acts on semiconductor strain
Deform which on piece, cause resistance variations, produce output voltage, and then be converted into manifold pressure value.
Designer has found that prior art at least has problems with：
There is error, and sensor base and pipe in the pipeline pressure surveyed by the pressure sensor systems that prior art is provided
Welding stress between wall easily makes sealing surface deform and seal failure occurs, and then cannot obtain accurate pipeline pressure
Data.
Utility model content
This utility model embodiment technical problem to be solved is, there is provided a kind of pipe pressure sensor system,
Its simple structure, easy for installation, connection fastening between piezoresistive transducer, sensor base and tube wall, the tight reliability of sealing, pipe
In road blasting experiment, data acquisition effectiveness is strong.Concrete technical scheme is as follows：
A kind of pipe explosion pressure sensor systems, including piezoresistive transducer, sensor base, gasket seal, institute
State sensor base to weld with tube wall at pipeline corresponding aperture, the piezoresistive transducer is passed through and is fixed on the sensor
In the inner chamber of base, the semiconductor gauge of the piezoresistive transducer lower end, the sensor base lower end with described
The inner side of tube wall mutually maintains an equal level, and seamless between the semiconductor gauge and the sensor base；The gasket seal
It is fixed in the inner chamber of the sensor base, while be hermetically sleeved on the piezoresistive transducer, and the sealing
Radial distance between the welding position of pad and the sensor base and the tube wall is the 1/2-3/ of the pipe thickness
4.
Specifically, preferably, the gasket seal is red copper pad；The piezoresistive transducer include tubular body,
The tubulated ends being connected concentric with the lower end of the tubular body, the semiconductor gauge are arranged on oneself of the tubulated ends
By holding；Caliber of the caliber of the tubulated ends less than the tubular body, to form the top bar that Open Side Down；Correspondingly,
The inner chamber of the sensor base is made up of the upper cavity and lower chamber that are concentrically disposed with from top to bottom, and the upper cavity is used
In the tubular body is accommodated, the lower chamber is used for accommodating the tubulated ends, and cooperatively forms getting out of a predicament or an embarrassing situation for opening upwards；
The top bar and described get out of a predicament or an embarrassing situation between cooperatively form annular housing, the gasket seal be located at the annular housing in, with
When with the top bar and the close contact of getting out of a predicament or an embarrassing situation.
Specifically, preferably, being provided with female thread on the inwall of the upper cavity and the lower chamber, the tubulose sheet
It is provided with, on body, the outer wall of the tubulated ends, the external screw thread being adapted with the female thread；The piezoresistive transducer is with spiral shell
The mode of stricture of vagina connection is fixed in the inner chamber of the sensor base.
Specifically, preferably, the connection screw thread tooth number of the piezoresistive transducer and the sensor base be 18 teeth-
21 teeth.
Specifically, preferably, the aperture of the perforate is 20mm-35mm on the pipeline.
Specifically, preferably, the sensor base welds to be formed at the pipeline corresponding aperture with the tube wall
Girth joint.
Specifically, preferably, being provided with least one sealing ring between the sensor base and the tube wall.
The beneficial effect brought of technical scheme that this utility model embodiment is provided is：
The pipe explosion pressure sensor systems that this utility model is provided, due to the quasiconductor of piezoresistive transducer lower end
Foil gauge, the lower end of sensor base are mutually maintained an equal level with the inner side of tube wall, and between semiconductor gauge and sensor base
Seamless, therefore, carrying out to obtain more effective measurement result when pipe explosion is tested.By gasket seal is fixed on
In the inner chamber of sensor base, while be sleeved on piezoresistive transducer, and gasket seal and sensor base and tube wall
Radial distance between welding position is set to the 1/2-3/4 of pipe thickness, sealing surface can be made to avoid welding heat affected zone, entered
And sealing surface will not deform, it is ensured that the reliability of sealing.
Description of the drawings
For the technical scheme being illustrated more clearly that in this utility model embodiment, below will be to needed for embodiment description
Accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of the pipe explosion pressure sensor systems that this utility model embodiment is provided.
Reference is represented respectively：
1 piezoresistive transducer,
101 semiconductor gauges,
2 sensor base,
3 gasket seals,
4 tube walls,
5 girth joints.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Type embodiment is described in further detail.
This utility model provides a kind of pipe explosion pressure sensor systems, as shown in figure 1, the pipe explosion pressure
Force sensor system includes piezoresistive transducer 1, sensor base 2, gasket seal 3, and sensor base 2 is in pipeline corresponding aperture
Place is welded with tube wall 4, and piezoresistive transducer 1 is passed through and is fixed in the inner chamber of sensor base 2, further, and pressure resistance type is passed
The semiconductor gauge 101 of 1 lower end of sensor, the lower end of sensor base 2 are mutually maintained an equal level with the inner side of tube wall 4, and quasiconductor
Seamless between foil gauge 101 and sensor base 2.Gasket seal 3 is fixed in the inner chamber of sensor base 2, while sealing
Be sleeved on piezoresistive transducer 1, and the radial direction between the welding position of gasket seal 3 and sensor base 2 and tube wall 4
1/2-3/4 of the distance for 4 thickness of tube wall.
The pipe explosion pressure sensor systems that this utility model embodiment is provided, by making under piezoresistive transducer 1
The semiconductor gauge 101 at end, the lower end of sensor base 2 are mutually maintained an equal level with the inner side of tube wall 4, quasiconductor is answered
Change piece 101 directly senses seamless between internal pipe pressure, and semiconductor gauge 101 and sensor base 2, it is to avoid
In the cavity entered during gas high-speed motion outside pipeline, sensed pipeline pressure distortion is caused, therefore to carry out pipeline quick-fried
Accurate pipeline pressure data can be obtained during broken experiment.By making installation site and sensor base 2 and the pipe of gasket seal 3
Radial distance between the welding position of wall 4 is set to the 1/2-3/4 of 4 thickness of tube wall, and the sealing surface that formed can which is avoided
Welding heat affected zone, it is to avoid welded stress makes sealing surface deform, it is ensured that the reliability of sealing, for raising pipeline pressure
The measurement accuracy of power has great importance.
Wherein, above-mentioned radial distance refer to from the inside of tube wall 4 to tube wall 4 shown in thickness direction on away from
From.In this utility model embodiment, gasket seal 3 is red copper pad, and piezoresistive transducer 1 includes tubular body and tubulose
The tubulated ends that the lower end of body connects with one heart, the semiconductor gauge 101 are arranged on the free end of tubulated ends.Tubulated ends
Caliber less than tubular body caliber, to form the top bar that Open Side Down.Correspondingly, the inner chamber of sensor base 2 is by certainly
The upper cavity being concentrically disposed with above and lower chamber are constituted, and upper cavity is used for accommodating tubular body, and lower chamber is used for accommodating manages
Shape end, and cooperatively form getting out of a predicament or an embarrassing situation for opening upwards.The top bar and this get out of a predicament or an embarrassing situation between cooperatively form annular housing, seal
Pad 3 is located in the annular housing, at the same with top bar and close contact of getting out of a predicament or an embarrassing situation (i.e. the upper surface of the gasket seal 3 and under
Surface simultaneously with the top bar and the close contact of getting out of a predicament or an embarrassing situation).Wherein, it will be appreciated by persons skilled in the art that upper cavity
Internal diameter more than lower chamber internal diameter, and the internal diameter of upper cavity is preferably equal diameters with gasket seal 3, is easy to sealing gasket
Piece 3 is just put into top bar and gets out of a predicament or an embarrassing situation in the annular housing to be formed, and further ensures the reliability of sealing.By sealing
Pad 3 is set to red copper pad, is based not only on its resistant to elevated temperatures advantage, and can be in piezoresistive transducer 1 and biography based on which
Deform under the extruding of sensor base 2, when the gasket seal 3 is located in above-mentioned annular housing, and under piezoresistive transducer 1
The gasket seal 3 will be caused during pressure to deform, further improved close between piezoresistive transducer 1 and sensor base 2
Feng Xing.
In this utility model embodiment, used as pressure sensitive part, which is common by this area for piezoresistive transducer 1
, for example, include the phases such as process circuit, instrumentation amplifier, interface circuit in the tubular body of the piezoresistive transducer 1
Sensing element is closed, the tubulated ends of the piezoresistive transducer 1 are pasted with semiconductor gauge 101, and the semiconductor gauge
101 are electrically connected with interface circuit, and when semiconductor gauge 101 senses manifold pressure and produces deformation, quasiconductor should
The resistance for becoming piece 101 can change, due to can all constitute electric bridge inside semiconductor gauge 101, with the change of its resistance,
Electric bridge will produce corresponding uneven output, and the imbalance output is received and converted into curtage by interface circuit
Change, and is amplified by instrumentation amplifier, is transmitted further to process circuit and is processed be proportional to pressure change
The electric signal output of change, and then obtain real-time pipeline pressure value.
Further, in this utility model embodiment, preferably, the upper cavity and lower chamber in sensor base 2
Inwall on be provided with female thread, be provided with, on tubular body, the outer wall of tubulated ends, the external screw thread being adapted with the female thread；
The piezoresistive transducer 1 is fixed in the inner chamber of sensor base 2 threadably.By being arranged such, it is ensured that
Connection tightness between piezoresistive transducer 1 and sensor base 2, prevents which from collapsing from sensor base 2 de-, is easy to pressure
The replacing of resistive sensor 1.
On this basis, piezoresistive transducer 1 is -22 tooth of 18 tooth with the connection screw thread tooth number of sensor base 2, for example,
19 teeth, 20 teeth, 21 teeth etc..Being arranged such that makes the piezoresistive transducer 1 when pipeline pressure is larger also not collapse de- showing
As improve the measurement stability of the system.
In this utility model embodiment, by arranging on the tube wall 4 of pipeline pre-position and its inner space
Perforate carrys out install sensor base 2, preferably, the aperture of the perforate be 20mm-35mm, for example, 22mm, 25mm, 28mm,
30mm etc., by the aperture of perforate to be defined as above, it can be ensured that the damage caused by pipeline is less so that quick-fried in pipeline
In broken experimentation, pipeline is hardly damaged, and then makes the safety in pipe explosion experimentation be greatly improved.
In this utility model embodiment, in order to ensure the sensing system will not be because of the impact of pipeline pressure from pipeline
Tapping collapses de-, limits sensor base 2 and forms girth joint 5, i.e. sensor base with the welding of tube wall 4 at the pipeline corresponding aperture
All welded circumferential junction between 2 and pipeline tapping.
Further, in the pressure sensor systems that this utility model embodiment is provided, in order to ensure sensor base 2 with
The sealing between perforate on tube wall 4, it is ensured that pressure measxurement accuracy, be provided between sensor base 2 and tube wall 4 to
Few 1 sealing ring, such as 1,2,3,5 etc..Rubber-like O-ring seals are preferably used, which is with the increase energy of pressure
Sealing property is improved automatically.Specifically, when sealing ring is installed, at least one circle groove is opened up on the inwall of perforate, for
The sealing ring is accommodated, subsequently by sensor base 2 through the perforate with sealing ring, and then sensor base 2 and tube wall 4 is realized
Between static seal.
Preferred embodiment of the present utility model is the foregoing is only, not in order to limit protection domain of the present utility model,
All of the present utility model spirit and principle within, any modification, equivalent substitution and improvements that is made etc. should be included in this reality
Within new protection domain.
Claims (7)
1. a kind of pipe explosion pressure sensor systems, including piezoresistive transducer (1), sensor base (2), gasket seal
(3), sensor base (2) are welded with tube wall (4) at pipeline corresponding aperture, and described piezoresistive transducer (1) is through simultaneously
It is fixed in the inner chamber of the sensor base (2), it is characterised in that the quasiconductor of piezoresistive transducer (1) lower end should
Become piece (101), the lower end of the sensor base (2) mutually to maintain an equal level with the inner side of the tube wall (4), and the quasiconductor should
Become seamless between piece (101) and the sensor base (2)；
Gasket seal (3) are fixed in the inner chamber of the sensor base (2), while being hermetically sleeved on the pressure resistance type
On sensor (1), and between the gasket seal (3) and the welding position of the sensor base (2) and the tube wall (4)
Radial distance for the tube wall (4) thickness 1/2-3/4.
2. pipe explosion pressure sensor systems according to claim 1, it is characterised in that gasket seal (3)
For red copper pad；
Described piezoresistive transducer (1) includes the tubulated ends of tubular body connection concentric with the lower end of the tubular body, institute
State the free end that semiconductor gauge (101) is arranged on the tubulated ends；
Caliber of the caliber of the tubulated ends less than the tubular body, to form the top bar that Open Side Down；Correspondingly, institute
The inner chamber for stating sensor base (2) is made up of the upper cavity and lower chamber that are concentrically disposed with from top to bottom, the upper cavity
For accommodating the tubular body, the lower chamber is used for accommodating the tubulated ends, and cooperatively forms the leave from office of opening upwards
Rank；
The top bar and described get out of a predicament or an embarrassing situation between cooperatively form annular housing, described gasket seal (3) be located at the annular chamber
In vivo, at the same with the top bar and the close contact of getting out of a predicament or an embarrassing situation.
3. pipe explosion pressure sensor systems according to claim 2, it is characterised in that the upper cavity and described
Female thread is provided with the inwall of lower chamber, is provided with and the interior spiral shell on the tubular body, the outer wall of the tubulated ends
The external screw thread that stricture of vagina is adapted；
Piezoresistive transducer (1) is fixed in the inner chamber of the sensor base (2) threadably.
4. pipe explosion pressure sensor systems according to claim 3, it is characterised in that the piezoresistive transducer
(1) it is -21 tooth of 18 tooth with the connection screw thread tooth number of the sensor base (2).
5. pipe explosion pressure sensor systems according to claim 1, it is characterised in that described on the pipeline open
The aperture in hole is 20mm-35mm.
6. pipe explosion pressure sensor systems according to claim 1, it is characterised in that the sensor base
(2) girth joint (5) is formed with the tube wall (4) welding at the pipeline corresponding aperture.
7. pipe explosion pressure sensor systems according to claim 6, it is characterised in that the sensor base
(2) at least one sealing ring is provided between the tube wall (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620891032.XU CN206019903U (en) | 2016-08-16 | 2016-08-16 | A kind of pipe explosion pressure sensor systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620891032.XU CN206019903U (en) | 2016-08-16 | 2016-08-16 | A kind of pipe explosion pressure sensor systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206019903U true CN206019903U (en) | 2017-03-15 |
Family
ID=58248423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620891032.XU Active CN206019903U (en) | 2016-08-16 | 2016-08-16 | A kind of pipe explosion pressure sensor systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206019903U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243505A (en) * | 2019-07-10 | 2019-09-17 | 法施达科技有限公司 | A kind of pressure sensor washer |
| CN110553765A (en) * | 2019-09-19 | 2019-12-10 | 嘉兴学院 | Piezoresistive high-frequency high-temperature dynamic pressure sensor |
| CN112393674A (en) * | 2020-10-28 | 2021-02-23 | 江门市英合创展电子有限公司 | Non-contact displacement sensor |
-
2016
- 2016-08-16 CN CN201620891032.XU patent/CN206019903U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243505A (en) * | 2019-07-10 | 2019-09-17 | 法施达科技有限公司 | A kind of pressure sensor washer |
| CN110553765A (en) * | 2019-09-19 | 2019-12-10 | 嘉兴学院 | Piezoresistive high-frequency high-temperature dynamic pressure sensor |
| CN110553765B (en) * | 2019-09-19 | 2020-12-04 | 嘉兴学院 | Piezoresistive high-frequency high-temperature dynamic pressure sensor |
| CN112393674A (en) * | 2020-10-28 | 2021-02-23 | 江门市英合创展电子有限公司 | Non-contact displacement sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206019903U (en) | A kind of pipe explosion pressure sensor systems | |
| CN104595726A (en) | Natural gas pipeline system having leakage warming function | |
| JP6161811B2 (en) | High integrity process fluid pressure probe | |
| JP6174791B2 (en) | Pressure measuring system and manufacturing method thereof | |
| JP2008513699A (en) | Sensor or probe arrangement structure for measuring the state of tubes, etc. | |
| CN207649690U (en) | A kind of novel undergauge electromagnetic flowmeter | |
| KR101452639B1 (en) | Differential pressure·pressure transmitter | |
| CN210532092U (en) | Stress-strain nondestructive monitoring device for long-distance oil and gas pipeline | |
| CN204494094U (en) | Piped gas leakage alarm mechanism | |
| CN208902327U (en) | Precision differential pressure sensing device | |
| CN101802580B (en) | Improved bi-planar process fluid pressure measurement system | |
| CN204437719U (en) | There is the Natural gas pipeline system of leakage warning function | |
| CN108760137A (en) | A kind of teletransmission component and the teletransmission pressure transmitter including the teletransmission component | |
| CN204202549U (en) | The protective device that a kind of sensor immersion uses | |
| CN206035477U (en) | Hole deviation azimuthal measurement nipple joint | |
| CN206573251U (en) | High temperature teletransmission pressure difference transmitter | |
| CN205538089U (en) | Pressure gauge bellows pressure measurement protection device in pit | |
| CN110595677A (en) | Corrosion-resistant pressure transmitter equipment | |
| CN206772455U (en) | A kind of multipoint mode measures thermocouple | |
| CN206556811U (en) | A kind of device for detecting sealability of tin like members | |
| CN204154434U (en) | For the pressure transducer of subsurface equipment | |
| CN208621232U (en) | A kind of teletransmission component and teletransmission pressure transmitter | |
| CN202483563U (en) | Sensor and oil pipe structure | |
| CN207966674U (en) | A kind of novel electric power transformer oil storage measuring oil level using intelligence sensor | |
| CN202994322U (en) | Armored platinum resistor with segmented tube joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211117 Address after: Room 08-10, 6 / F, block a, No. 5, Dongtucheng Road, Chaoyang District, Beijing 100013 Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd. Address before: 100007 Oil Mansion, 9 North Avenue, Dongcheng District, Beijing, Dongzhimen Patentee before: PETROCHINA Co.,Ltd. |
|
| TR01 | Transfer of patent right |