CN215574801U - Integrated multi-probe layered scanning high-precision measurement probe rod structure - Google Patents
Integrated multi-probe layered scanning high-precision measurement probe rod structure Download PDFInfo
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- CN215574801U CN215574801U CN202121610519.3U CN202121610519U CN215574801U CN 215574801 U CN215574801 U CN 215574801U CN 202121610519 U CN202121610519 U CN 202121610519U CN 215574801 U CN215574801 U CN 215574801U
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Abstract
The utility model provides an integrated multi-probe layered scanning high-precision measurement probe rod structure which comprises a measurement probe rod extending into a measurement pipeline, wherein the measurement probe rod consists of an integrated rod, a double-sided flexible copper-clad plate and a plastic insulating sleeve, the integrated rod is externally connected with the double-sided flexible copper-clad plate, the double-sided flexible copper-clad plate is externally connected with the plastic insulating sleeve, and the top of the double-sided flexible copper-clad plate is connected with a data acquisition circuit board. The utility model has the advantages that: structural design is reasonable, promotes sealed effect, improves measurement accuracy, increase of service life.
Description
Technical Field
The utility model relates to the technical field of petroleum water content measurement, in particular to an integrated multi-probe layered scanning high-precision measurement probe structure.
Background
In the crude oil water content measurement industry, the measurement method of the conventional product of our company adopts the synergistic effect of a plurality of electrode probes, uniformly places a plurality of metal electrode probes for measurement at the center of a pipeline from top to bottom, enables each sensor to detect the dielectric constant value of liquid existing between the sensor and a shell, identifies the liquid level and an oil-water interface in the pipeline according to the numerical value, and calculates the oil-water ratio by combining the volume value corresponding to each electrode probe and the volume of the total volume of the pipeline and the volume of each metal sensor in proportion.
Although the measuring method effectively solves the problems of high gas content, small measuring range, poor adjustability, unstable dielectric constant and the like, and improves the measuring precision, a plurality of metal electrode probes and insulating rings are split, and are assembled into the measuring probe rod in a stacking type matching way, the outer diameter of the measuring probe rod has the phenomenon of unevenness due to the existence of processing errors and the influence of assembling precision, and the outer plastic sleeve generates deformation under the influence of pressure and temperature to cause leakage; and because metal electrode probe and insulating ring are split type, the pressure of leaking can leak to inside along its handing-over department, causes the circuit unusual.
Disclosure of Invention
The utility model aims to provide an integrated multi-probe layered scanning high-precision measurement probe structure which is reasonable in structural design, improves the sealing effect, improves the measurement precision and prolongs the service life.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the integrated multi-probe layered scanning high-precision measurement probe structure comprises a measurement probe extending into a measurement pipeline, wherein the measurement probe consists of an integrated bar, a double-sided flexible copper-clad plate and a plastic insulating sleeve, the integrated bar is externally connected with the double-sided flexible copper-clad plate, the double-sided flexible copper-clad plate is externally connected with the plastic insulating sleeve, and the top of the double-sided flexible copper-clad plate is connected with a data acquisition circuit board.
Furthermore, the double-sided flexible copper-clad plate is uniformly provided with a plurality of electrode probes from top to bottom in an integrated manner, the width of each electrode probe is more than or equal to 10mm, the distance between the electrode probes is less than or equal to 3mm, and the total length between the electrode probes at the upper end and the lower end is consistent with the height of the liquid level when the measuring pipeline is full of liquid.
Furthermore, a temperature measuring hole is formed in the center of the integrated bar of the measuring probe, and a temperature sensor is arranged in the temperature measuring hole.
Furthermore, the top of the measuring probe penetrates into the base and the gauge outfit base, the base and the gauge outfit base are fastened by bolts, the integrated bar and a limiting pressing plate at the top of the gauge outfit base are fastened by bolts, and the top of the double-sided flexible copper-clad plate is connected with the data acquisition circuit board.
Further, the bottom of the measuring probe penetrates into the center of the bottom of the measuring pipeline and is fixed through a fastening pipe.
Compared with the prior art, the utility model has the following advantages:
the integrated multi-probe layered scanning high-precision measurement probe rod structure is reasonable in structural design, improves the sealing effect, improves the measurement precision and prolongs the service life.
The double-sided flexible copper clad laminate has excellent mechanical property and electrical property, is adhered to the surface of the solid insulating rod, ensures the consistency of the outer diameter dimension and prolongs the service life of the plastic sleeve on the surface; the double-sided flexible copper clad laminate is used, and a plurality of integrated electrodes are contained, so that the problem of sealing leakage at multiple positions caused by the matching of a split type electrode ring and an insulating ring is solved.
The liquid is scanned up and down by adopting the multi-stage probe, and the liquid is compared and calculated with the fixed volume of the cavity, so that the influence of high gas content is effectively solved, the measurement precision is improved, and the applicable occasions are increased.
The integrated bar is used as the double-sided flexible copper-clad plate base material, so that the double-sided flexible copper-clad plate base material has excellent electrical insulation performance and mechanical strength, is less influenced by temperature, and improves the stability of data; the integrated bar stock is a bar stock with insulation, heat conduction, high strength and water absorption.
The plastic sleeve with excellent performance is adopted to coat the double-sided flexible copper clad laminate, so that the influence of pressure, water vapor and impurities on a circuit is effectively isolated, and the measurement precision is improved.
And a temperature sensor is arranged in the moisture content measuring device, and the moisture content measuring result can be subjected to temperature compensation by the instrument without an external temperature transmitter.
The gauge head adopts an explosion-proof design and is suitable for various complex working conditions and application occasions.
Drawings
FIG. 1 is a schematic view of the structure of a measuring tube according to the present invention.
Fig. 2 is a schematic structural diagram of a measuring probe head according to the present invention.
FIG. 3 is a schematic diagram of the distribution of electrode probes of the double-sided flexible copper-clad plate of the utility model.
Reference numerals: 1. measuring a pipeline; 2. measuring the probe rod; 21. a ceramic rod; 211. a temperature measuring hole; 22. a double-sided flexible copper clad laminate; 221. an electrode probe; 23. a plastic insulating sleeve; 3. a base; 4. a gauge head base; 5. a limiting pressure plate; 6. adapting the bolt; 7. data acquisition circuit board.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in figure 1, the integrated multi-probe layered scanning high-precision measurement probe structure comprises a measurement probe 2 extending into a measurement pipeline 1, wherein the measurement probe 2 and the measurement pipeline 1 are concentrically arranged, a sealing ring 3 is arranged at the joint for sealing, and the sealing ring 3 is specifically a fluorine rubber Y-shaped ring. The measurement probe rod 2 is composed of a ceramic rod 21, a double-sided flexible copper clad laminate 22 and a plastic insulating sleeve 23, the ceramic rod 21 is externally connected with the double-sided flexible copper clad laminate 22, the double-sided flexible copper clad laminate 22 is externally connected with the plastic insulating sleeve 23, and the plastic insulating sleeve 23 can isolate a measured liquid from the double-sided flexible copper clad laminate 22. Specifically, the ceramic has the characteristics of insulation, pressure resistance, wear resistance, high hardness and the like, and the ceramic rod 21 provides a good supporting effect for the double-sided flexible copper clad laminate 22; the double-sided flexible copper clad laminate 22 has excellent heat resistance, dimensional stability and chemical resistance, can be perfectly attached to the outer circle surface of the ceramic rod 21 as a flexible circuit board material, and is internally provided with the plurality of layers of electrode probes 221 in parallel from top to bottom, so that the measurement precision can be improved; the plastic insulating sleeve 23 has good acid and alkali resistance, corrosion resistance, non-adhesiveness and high temperature resistance, effectively isolates liquid from the flexible circuit board, and can play an important role in protection and insulation. An annular channel formed between the inner wall of the measuring pipeline 1 and the measuring probe 2 is a measuring area, and the liquid level, the oil-water interface and the water content ratio are judged according to data detected by electrode probes 221 at different positions of the double-sided flexible copper-clad plate 22.
As shown in FIG. 3, the double-sided flexible copper clad laminate 22 is integrally and uniformly provided with a plurality of electrode probes 221 from top to bottom, the width of each electrode probe 221 is larger than or equal to 10mm, the distance between the electrode probes 221 is smaller than or equal to 3mm, and the total length between the electrode probes 221 at the upper end and the lower end is consistent with the height of the liquid level when the measuring pipeline 1 is full of liquid. The flexibility of the double-sided flexible copper clad laminate 22 means that the copper clad laminate has certain elasticity and strength and can be bent like an explosion-proof flexible pipe.
The center of the ceramic rod 21 of the measuring probe 2 is provided with a temperature measuring hole 211, and a temperature sensor is arranged in the temperature measuring hole 211. The temperature sensor is a pt1000 temperature sensor bare chip, and the temperature measuring hole 211 is encapsulated by silica gel. The temperature detection can compensate the measurement data detected by the electrode probes 221, and the measurement precision is improved.
As shown in fig. 2, the top of the measurement probe 2 penetrates into the base 3 and the gauge outfit base 4, the base 3 and the gauge outfit base 4 are fastened by bolts and fix the top of the measurement probe 2 therein, the ceramic rod 21 is fastened with the limiting pressure plate 5 at the top of the gauge outfit base 4 by bolts, the limiting pressure plate 5 is fastened with the gauge outfit base 4 by bolts and the adapting bolt 6, and the top of the double-sided flexible copper-clad plate 22 is connected with the data acquisition circuit board 7 by welding. The connecting structure enhances the assembly strength of the measuring probe 2 and improves the practicability.
The bottom of the measuring probe 2 penetrates into the center of the bottom of the measuring pipeline 1 and is fixed through a fastening pipe.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the spirit of the present invention, and these modifications and improvements should also be considered as within the scope of the present invention.
Claims (5)
1. Integrated multi-probe layered scanning high-precision measurement probe rod structure, which is characterized in that: the device comprises a measurement probe extending into a measurement pipeline, wherein the measurement probe consists of an integrated bar stock, a double-sided flexible copper-clad plate and a plastic insulating sleeve, the integrated bar stock is externally connected with the double-sided flexible copper-clad plate, the double-sided flexible copper-clad plate is externally connected with the plastic insulating sleeve, and the top of the double-sided flexible copper-clad plate is connected with a data acquisition circuit board.
2. The integrated multi-probe layered scanning high precision measurement probe structure according to claim 1, wherein: the double-sided flexible copper-clad plate is integrally and uniformly distributed with a plurality of electrode probes from top to bottom, the width of each electrode probe is more than or equal to 10mm, the distance between the electrode probes is less than or equal to 3mm, and the total length between the electrode probes at the upper end and the lower end is consistent with the liquid level height of a measuring pipeline when the measuring pipeline is full of liquid.
3. The integrated multi-probe layered scanning high precision measurement probe structure according to claim 2, wherein: a temperature measuring hole is formed in the center of the integrated bar of the measuring probe, and a temperature sensor is arranged in the temperature measuring hole.
4. The integrated multi-probe layered scanning high precision measurement probe structure according to claim 1, wherein: the top of the measuring probe penetrates into the base and the gauge outfit base, the base and the gauge outfit base are fastened by bolts, and the integrated bar and the limiting pressing plate at the top of the gauge outfit base are fastened by bolts.
5. The integrated multi-probe layered scanning high precision measurement probe structure according to claim 1, wherein: the bottom of the measuring probe penetrates into the center of the bottom of the measuring pipeline and is fixed through a fastening pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121610519.3U CN215574801U (en) | 2021-07-15 | 2021-07-15 | Integrated multi-probe layered scanning high-precision measurement probe rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121610519.3U CN215574801U (en) | 2021-07-15 | 2021-07-15 | Integrated multi-probe layered scanning high-precision measurement probe rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215574801U true CN215574801U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121610519.3U Active CN215574801U (en) | 2021-07-15 | 2021-07-15 | Integrated multi-probe layered scanning high-precision measurement probe rod structure |
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|---|---|
| CN (1) | CN215574801U (en) |
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2021
- 2021-07-15 CN CN202121610519.3U patent/CN215574801U/en active Active
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