CN212614680U - Direct-reading type underground pressure transmitter - Google Patents
Direct-reading type underground pressure transmitter Download PDFInfo
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- CN212614680U CN212614680U CN202021269840.5U CN202021269840U CN212614680U CN 212614680 U CN212614680 U CN 212614680U CN 202021269840 U CN202021269840 U CN 202021269840U CN 212614680 U CN212614680 U CN 212614680U
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Abstract
The utility model relates to the technical field of sensors, in particular to a direct-reading underground pressure transmitter, which comprises a pressure transmitter controller and a pressure transmitter probe, wherein the pressure transmitter probe comprises a pressure probe assembly body and a detection probe rod; the pressure probe assembly body is internally hollow to form a circuit board sealed chamber, one end of the pressure probe assembly body forms a horn beam opening, and a cable sealed rear cover for sealing the tensile cable is correspondingly arranged on the horn beam opening; the other end of the pressure probe assembly body is coaxially and fixedly connected with a first sealing element and a second sealing element in sequence, and the detection probe rod is hermetically connected with the second sealing element; the far end of the detection probe rod is correspondingly provided with a pressure probe sealing cover and is connected with the circuit board through a waterproof wire. The utility model relates to a rationally novel, compact structure has good sealed, waterproof and anticorrosive performance, can be in real time with the pressure data transmission in the detection well to the pressure transmitter controller and carry out the digital display, has wide application prospect.
Description
Technical Field
The utility model relates to a sensor technical field, concretely relates to direct-reading type is pressure transmitter in pit.
Background
In the fields of formation testing, stable well testing, isochronous well testing, pulse well testing, interference well testing, pressure recovery well testing, other general well testing and the like of coal mine and oil field exploration and development, a pressure transmitter is required to be used for detecting underground pressure in real time. Because the depth of the detection well is thousands of meters or even tens of thousands of meters, at present, the commonly used pressure transmitter for detecting the pressure of the underground liquid medium is mainly a storage type pressure transmitter, and the real-time performance of the storage type pressure transmitter in the working process is poor, so that the underground change condition cannot be mastered at any time, and the production and the life of enterprises are influenced; in addition, when pressure detection is carried out in a detection well with large depth, the pressure transmitter is required to have excellent sealing performance, so that the ultrahigh pressure resistance is ensured.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the embodiment of the utility model provides a direct-reading type is pressure transmitter in pit, the utility model discloses a realize through following technical scheme to the purpose.
A direct-reading type underground pressure transmitter comprises a pressure transmitter controller fixedly arranged on a detection well and a pressure transmitter probe which is electrically connected with the pressure transmitter controller through a tensile cable and immersed in a liquid medium of the detection well, wherein the pressure transmitter probe comprises a pressure probe assembly body and a detection probe rod;
the pressure probe assembly body is internally hollow to form a circuit board sealing chamber for mounting a circuit board, one end of the pressure probe assembly body is communicated with the circuit board sealing chamber to form a horn beam opening, and a cable sealing rear cover for sealing a tensile cable is correspondingly arranged on the horn beam opening;
the other end of the pressure probe assembly body is coaxially and fixedly connected with a first sealing element and a second sealing element in sequence, the detection probe rod is connected with the second sealing element in a sealing mode, a threaded area A is arranged on the inner circumference of the second sealing element, and a threaded area B is arranged on the outer circumference of one end of the detection probe rod and matched with the threaded area A;
a threaded area C is formed in the inner circumference of the other end of the detection probe rod, and an annular step is formed on the inner side of the detection probe rod corresponding to the threaded area C; the detection probe rod is provided with a pressure probe sealing cover in a corresponding mode at the far end, is arranged in the pressure probe sealing cover in a sealing mode and is connected with a pressure probe through a waterproof wire and a circuit board, a threaded area D is arranged on the outer circumference of the pressure probe sealing cover in a matched mode with the threaded area C, and the pressure probe sealing cover and the detection probe rod are located at an annular step and are tightly pressed to form a sealing gasket.
Furthermore, the lower end of the pressure probe assembly body, the first sealing element, the second sealing element and the detection probe rod are correspondingly provided with a pressure taking cover cylinder.
Further, a smooth counter bore corresponding to the first sealing element is formed in the inner circumference of one end of the pressure taking cover cylinder; and the inner circumference of the pressure taking cover cylinder is provided with a threaded area E corresponding to the second sealing element.
Furthermore, a plurality of annular clamping grooves are formed in the outer circumference of the first sealing element and correspond to the smooth counter bores, and the diameter of the outer circumference of the first sealing element is smaller than that of the inner circumference of the smooth counter bores of the pressure taking cover cylinder.
Furthermore, the ring-shaped clamping groove is movably clamped with a first sealing ring, and the diameter of the first sealing ring is larger than the inner diameter of the smooth counter bore.
Further, a threaded area F is arranged on the outer circumference of the second sealing element corresponding to the threaded area E.
Furthermore, a plurality of groups of pressure taking holes are radially formed in the far end of the pressure taking cover cylinder.
Further, the cable sealing rear cover and the pressure probe sealing cover are made of corrosion-resistant rubber materials or stainless steel materials.
Compared with the prior art the utility model discloses gain technical effect: the utility model has the advantages of reasonable and novel design, compact structure and convenient operation, and can transmit the pressure data of the liquid medium in the detection well to the pressure transmitter controller in real time and carry out digital display, thereby providing technical guarantee for enterprise production; the utility model discloses a pressure transmitter probe has good sealed, waterproof and corrosion resisting property, has extensive usage, is applicable to pressure detection operating modes such as the stratum test of colliery, oil field exploration and development, stable well testing, wait time well testing, pulse well testing, interference well testing, pressure recovery well testing.
Drawings
Fig. 1 is a schematic structural view of a pressure detection system in an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of a probe of the pressure transmitter of the present embodiment;
FIG. 3 is an enlarged cross-sectional view taken along line A of FIG. 2;
FIG. 4 is an enlarged cross-sectional view taken along line B in FIG. 2;
FIG. 5 is an enlarged cross-sectional view taken at C in FIG. 2;
FIG. 6 is an exploded view of a first perspective three-dimensional structure of the pressure transmitter probe in this embodiment;
FIG. 7 is an exploded view of a second perspective view of the pressure transmitter probe of this embodiment;
FIG. 8 is a schematic view of a first assembly view of the pressure transmitter probe of this embodiment;
FIG. 9 is a structural diagram of a second assembly view of the pressure transmitter probe in this embodiment;
FIG. 10 is a schematic view of a third assembly view of the pressure transmitter probe of this embodiment;
fig. 11 is a structural diagram of a fourth assembly view of the pressure transmitter probe in this embodiment.
In the figure:
100. detecting a well;
200. a pressure transmitter controller;
300. a tensile cable;
400. a pressure transmitter probe; 410. a cable sealing rear cover; 420. a circuit board sealing chamber; 430. a circuit board; 440. a pressure probe assembly; 441. a horn beam opening; 450. a first seal member; 451. an annular neck; 460. a second seal member; 470. taking a pressure cover cylinder; 471. pressure tapping; 480. detecting the probe rod; 490. sealing the pressure probe; 4100. a pressure probe; 4110. a wire passage; 4120. a first seal ring; 4130. a sealing gasket; 4140. a second seal ring; 4150. a waterproof wire;
500. a sleeve;
600. a well pipe;
700. clamping a hoop;
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
Example (b):
referring to fig. 1-11, the embodiment of the utility model discloses a direct reading formula pressure transmitter in pit, including fixed pressure transmitter controller 200 that sets up on detecting well 100 and through tensile cable 300 and pressure transmitter controller 200 electricity federation and submergence in the pressure transmitter probe 400 of detecting well 100 liquid medium, detect well 100 upper end fixed be provided with to the well casing 600 that detects well 100 shaft bottom extension, and the well casing 600 overcoat is equipped with sleeve pipe 500, tensile cable 300 sets up between well casing 600 and sleeve pipe 500 through a plurality of clamps 700 that the interval set up, tensile cable 300 lower extreme extends to detecting well 100 bottom and is connected with pressure transmitter probe 400.
In this embodiment, the pressure transmitter controller 200 includes a main control module, and a power module, a display module, a communication module, and a touch module connected thereto; the main control module can adopt a single chip microcomputer to realize on-line detection control on the viscosity; the display module is a liquid display screen and is used for displaying pressure data of the measured liquid medium in real time; the communication module can adopt a Bluetooth module or a wireless transmission module, and can conveniently receive a detection command of the central control room or feed back pressure data of a liquid medium to be detected to the central control room; the power module is through external power supply or battery module of power protection circuit and host system electricity federation, external power supply voltage can be 220V or 360V, battery module can be the module that the multiunit battery is constituteed, the battery can be preferred to use the lithium cell that the efficiency is high, touch module includes the control panel with host system electricity federation, can be convenient through the control panel open or close the pressure measurement process, this pressure transmitter controller 200 passes through tensile cable 300 transmission control command and gives pressure transmitter probe 400, and receive the pressure measurement signal of pressure transmitter probe 400 transmission, this pressure transmitter controller 200 can carry out pressure measurement and digital display to the liquid medium in the inspection well 100 in real time, the on-the-spot production management of being convenient for. In this embodiment, each electronic component can be obtained by purchase and the functions thereof can be obtained by integration.
Referring to FIGS. 2-3, therein, a pressure transmitter probe 400 includes a pressure probe assembly 440 and a sensing probe 480; the pressure probe assembly 440 is internally hollow to form a circuit board sealed chamber 420 for mounting the circuit board 430, one end of the pressure probe assembly 440 is communicated with the circuit board sealed chamber 420 to form a horn beam opening 441, a cable sealed rear cover 410 for sealing the tensile cable 300 is correspondingly arranged on the horn beam opening 441, and a threaded area G is arranged on the inner circumference of the horn beam opening 441; the cable sealing rear cover 410 is cylindrical, a threaded area H is arranged on the outer circumference of the cable sealing rear cover 410 corresponding to the threaded area G, the cable sealing rear cover 410 can be made of corrosion-resistant plastic materials or corrosion-resistant stainless steel materials, a second sealing ring 4140 is arranged on the inner side of the threaded connection between the cable sealing rear cover 410 and one end of the pressure probe assembly 440, the second sealing ring 4140 is not shown in the figure, and the second sealing ring is made of flexible plastic materials.
Referring to fig. 4, a first sealing member 450 and a second sealing member 460 are coaxially and fixedly connected to the other end of the pressure probe assembly 440 in turn, the detection probe 480 is hermetically connected to the second sealing member 460, a threaded area a is disposed on the inner circumference of the second sealing member 460, and a threaded area B is disposed on the outer circumference of one end of the detection probe 480 and is matched with the threaded area a; the inner side of the threaded connection between the second sealing element 460 and one end of the detection probe 480 can be provided with a second sealing ring 4140 in a pressing manner, and the second sealing ring 4140 is made of flexible plastic materials.
Referring to fig. 5, a threaded area C is formed on an inner circumference of the other end of the detection probe 480, and an annular step is formed on the detection probe 480 corresponding to an inner side of the threaded area C; the far end of the detection probe rod 480 is correspondingly provided with a pressure probe sealing cover 490 and a pressure probe 4100 which is hermetically arranged in the pressure probe sealing cover 490 and is connected with the circuit board 430 through a waterproof wire 4150, a threaded area D is arranged on the outer circumference of the pressure probe sealing cover 490 in a matching way with the threaded area C, and the pressure probe sealing cover 490 and the detection probe rod 480 are positioned at the annular step and are tightly pressed and provided with a sealing gasket 4130.
In this embodiment, the cable sealing rear cover 410, the detection probe 480, and the pressure probe assembly 440 are all provided with wire passing channels 4110 for the waterproof wires 4150 of the connection circuit board 430 to pass through.
Referring to fig. 2 and 6-9, the pressure probe assembly 440 has a pressure measuring jacket 470 at its lower end corresponding to the first sealing member 450, the second sealing member 460 and the sensing probe 480; a smooth counterbore on the inner circumference of one end of the pressure extraction housing 470 corresponding to the first seal 450; a plurality of annular clamping grooves 451 are formed in the outer circumference of the first sealing element 450 and correspond to the smooth counter bores, a first sealing ring 4120 is movably clamped in each annular clamping groove 451, and the diameter of each first sealing ring 4120 is larger than the inner diameter of each smooth counter bore; the outer circumferential diameter of the first seal 450 is less than the inner circumferential diameter of the smooth counterbore of the pressure extraction housing canister 470. Preferably, the diameter of the outer circumference of the first sealing element 450 is slightly smaller than the inner diameter of the light ring counter bore, the diameter of the outer circumference of the first sealing ring 4120 is slightly larger than the inner diameter of the smooth counter bore, and the inner diameter of the first sealing ring 4120 is smaller than the outer diameter of the first sealing element 450, so that the first sealing element 450 and the first sealing ring 4120 can realize efficient sealing connection between the pressure taking cover cylinder 470 and the first sealing element 450.
The inner circumference of the pressure-taking cover cylinder 470 is provided with a threaded area E corresponding to the second sealing element 460, the outer circumference of the second sealing element 460 is provided with a threaded area F corresponding to the threaded area E, the threaded area E and the threaded area F can realize the firm connection between the pressure-taking cover cylinder 470 and the pressure probe assembly 440, and further ensure the firmness and the closure of the connection between the pressure-taking cover cylinder 470 and the pressure probe assembly 440.
Referring to fig. 6-7, the pressure-tapping cover cylinder 470 is provided with a plurality of sets of pressure-tapping holes 471 along the radial direction away from the end.
In this embodiment, the cable sealing rear cover 410 and the pressure probe cover 490 are made of a corrosion-resistant rubber material or a stainless steel material, which is a material conventionally used in the art, and in this embodiment, it is preferable to use a corrosion-resistant rubber material.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a direct-reading type is pressure transmitter in pit, includes fixed pressure transmitter controller (200) that sets up on inspection shaft (100) and passes through tensile cable (300) and pressure transmitter controller (200) electricity federation and immerse pressure transmitter probe (400) in inspection shaft (100) liquid medium which characterized in that: the pressure transmitter probe (400) includes a pressure probe assembly (440) and a sensing probe (480);
a circuit board sealing chamber (420) for mounting a circuit board (430) is formed in the pressure probe assembly body (440) in a hollow mode, one end of the pressure probe assembly body (440) is communicated with the circuit board sealing chamber (420) to form a horn beam opening (441), and a cable sealing rear cover (410) for sealing the tensile cable (300) is correspondingly arranged on the horn beam opening (441);
the other end of the pressure probe assembly body (440) is coaxially and fixedly connected with a first sealing element (450) and a second sealing element (460) in sequence, the detection probe rod (480) is hermetically connected with the second sealing element (460), a threaded area A is arranged on the inner circumference of the second sealing element (460), and a threaded area B is arranged on the outer circumference of one end of the detection probe rod (480) and matched with the threaded area A;
a threaded area C is formed in the inner circumference of the other end of the detection probe rod (480), and an annular step is formed on the inner side of the detection probe rod (480) corresponding to the threaded area C; the detection probe rod (480) is provided with a pressure probe sealing cover (490) at a far end in a corresponding mode, the pressure probe (4100) is arranged in the pressure probe sealing cover (490) in a sealing mode and is connected with the circuit board (430) through a waterproof wire (4150), a threaded area D is arranged on the outer circumference of the pressure probe sealing cover (490) in a matched mode with the threaded area C, and the pressure probe sealing cover (490) and the detection probe rod (480) are located at the annular step and are tightly pressed to form a sealing gasket (4130).
2. A direct-reading downhole pressure transmitter as claimed in claim 1, wherein: and the lower end of the pressure probe assembly body (440) is provided with a pressure taking cover cylinder (470) corresponding to the first sealing element (450), the second sealing element (460) and the detection probe rod (480).
3. A direct-reading downhole pressure transmitter as claimed in claim 2, wherein: the inner circumference of one end of the pressure-taking cover cylinder (470) is provided with a smooth counter bore corresponding to the first sealing element (450); the inner circumference of the pressure-taking cover cylinder (470) is provided with a threaded area E corresponding to the second sealing element (460).
4. A direct-reading downhole pressure transmitter as claimed in claim 3, wherein: a plurality of annular clamping grooves (451) are formed in the outer circumference of the first sealing element (450) corresponding to the smooth counter bore, and the diameter of the outer circumference of the first sealing element (450) is smaller than that of the inner circumference of the smooth counter bore of the pressure-taking cover barrel (470).
5. The direct-reading downhole pressure transmitter of claim 4, wherein: the annular clamping groove (451) is movably clamped with a first sealing ring (4120), and the diameter of the first sealing ring (4120) is larger than the inner diameter of the smooth counter bore.
6. A direct-reading downhole pressure transmitter as claimed in claim 3, wherein: the second sealing member (460) is provided with a threaded zone F on the outer circumference corresponding to the threaded zone E.
7. A direct-reading downhole pressure transmitter as claimed in claim 2, wherein: the far end of the pressure-taking cover cylinder (470) is radially provided with a plurality of groups of pressure-taking holes (471).
8. A direct-reading downhole pressure transmitter as claimed in any one of claims 1 to 6, wherein: the cable sealing rear cover (410) and the pressure probe sealing cover (490) are made of corrosion-resistant rubber materials or stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021269840.5U CN212614680U (en) | 2020-07-02 | 2020-07-02 | Direct-reading type underground pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021269840.5U CN212614680U (en) | 2020-07-02 | 2020-07-02 | Direct-reading type underground pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212614680U true CN212614680U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021269840.5U Active CN212614680U (en) | 2020-07-02 | 2020-07-02 | Direct-reading type underground pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212614680U (en) |
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2020
- 2020-07-02 CN CN202021269840.5U patent/CN212614680U/en active Active
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