Downhole sensor modular structure

Abstract

The utility model relates to the technical field of well detection devices, in particular to an underground sensor modular structure, which can be independently replaced when a fault occurs due to modular arrangement, is convenient to overhaul and replace, and is favorable for reducing the maintenance cost. Comprising a main cylinder, a detection module, a wiring module, a central control module and an installation module, the central control module is installed in the main cylinder, the bottom of the main cylinder is connected with the detection module, the top of the main cylinder is connected with the wiring module, and the outer wall of the main cylinder is connected with the installation module.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of well detection device, in particular to a downhole sensor modular structure. BACKGROUND

[0002] Sensor is a kind of detection device, can feel the information of measured quantity, and can the information felt, according to certain rule change becomes electric signal or other required form information output, to meet the transmission, processing, storage, display, recording and control etc. requirements of information, downhole sensor is mainly used to perceive the temperature of surrounding environment.The downhole mine sensor structure of prior art announcement No.CN212779651U is provided, including the metal shell body that is arranged vertically, and the sensor in the metal shell body interior, including the metal shell body is divided into three parts from top to bottom, the upper shell is smooth metal shell, the telescopic lead-out wire is installed in the upper shell interior and is connected with the outside along the lead-out port of its top;The middle shell is the metal shell with the concave-convex structure that is arranged on the surface and is beneficial to heat dissipation, circuit board is installed in the middle shell interior, and the controller of connecting sensor probe is provided on the circuit board;Heat insulation layer is filled between the middle shell and the lower shell;The lower shell is the metal shell with hollow hole on the surface, and detection head is installed in the lower shell interior.But the overall setting, the part probe is damaged, and it is not convenient to individually dismount and maintain, and it is not easy to overhaul and replace. CONTENT OF UTILITY MODEL

[0003] To solve the above technical problem, the utility model provides a kind of modularization setting, when fault occurs, it can be individually replaced, it is convenient to overhaul and replace, it is beneficial to reduce maintenance cost downhole sensor modular structure.

[0004] The utility model discloses a kind of downhole sensor modular structures, including main body cylinder, detection module, wiring module, central control module and installation module, central control module is installed in main body cylinder interior, main body cylinder bottom is connected with detection module, main body cylinder top is connected with wiring module, installation module is connected on the outer wall of main body cylinder;When using, installation module is installed on main body cylinder, main body cylinder is installed in use position by installation module, downhole temperature is detected by detection module, wiring module is connected with upper controller, central control module can the information felt, according to certain rule change becomes electric signal or other required form information output, to meet the transmission, processing, storage, display, recording and control etc. requirements of information, modularization setting can be individually replaced when each part fails, it is convenient to overhaul and replace, it is beneficial to reduce maintenance cost.

[0005] Preferably, the detection module comprises a data plug, a connecting sleeve, a detection seat and a protection assembly, the bottom of the main body cylinder is fixedly connected with the data plug, the detection seat is fixedly installed in the connecting sleeve, a plug-in groove matched with the data plug is formed in the top of the detection seat, a detection head is arranged at the bottom of the detection seat, a threaded cylinder is arranged at the bottom of the main body cylinder, a connecting groove is arranged on the outer wall of the upper portion of the connecting sleeve, and an external thread matched with the threaded cylinder is arranged on the outer wall of the upper portion of the connecting sleeve; the threaded cylinder at the bottom of the main body cylinder is made to enter the connecting groove by rotating the connecting sleeve, the connecting sleeve and the bottom of the main body cylinder are threadedly connected, the detection seat is driven to be connected upward, the data plug is made to enter the plug-in groove, connection and data transmission are completed, and detection is performed through the detection head.

[0006] Preferably, the protection assembly comprises a connecting sleeve, a protective sleeve, a plurality of sealing rings and a plurality of second sealing rings, a threaded groove is formed in the bottom of the connecting sleeve, the connecting sleeve is threadedly connected in the threaded groove, the second sealing rings are installed on the two sides of the threaded groove at the bottom of the connecting sleeve, a sealing groove matched with the second sealing rings is arranged on the connecting sleeve, the protective sleeve is fixedly installed at the bottom of the connecting sleeve, a plurality of hollow holes are formed in the protective sleeve, and the plurality of sealing rings are sleeved on the upper portion of the connecting sleeve; the sealing property of connection can be ensured through the sealing rings when the connecting sleeve is connected with the main body cylinder, the protective sleeve can protect the detection head at the bottom of the detection seat when the connecting sleeve is connected at the bottom of the connecting sleeve, damage caused by external force is prevented, the connecting sleeve is rotated and removed at the bottom of the connecting sleeve when the protective sleeve is broken, and the protective sleeve can be replaced alone.

[0007] Preferably, the central control module comprises a plurality of sliding rods, a mounting plate, a plurality of sets of damping springs, a circuit board and a drying inner ring, the plurality of sliding rods are axially and uniformly installed in the main body cylinder, the mounting plate is slidingly installed on the outer wall of the sliding rod, the damping springs are sleeved on the upper and lower sides of the sliding rod, the damping springs are located at the upper and lower ends of the mounting plate, the circuit board is installed in the middle of the mounting plate, and the drying inner ring is installed on the outer wall of the main body cylinder; information sensed by the circuit board is transformed into an electric signal or other required form of information output according to a certain rule to meet the requirements of information transmission, processing, storage, display, recording and control, the mounting plate and the damping springs are cooperated to slide on the sliding rod, the damping buffer of the circuit board is realized, damage of the circuit board caused by excessive external impact force is avoided, the service life is improved, and the drying inner ring can ensure the dryness of the inside of the main body cylinder, and interference on the circuit board is avoided.

[0008] Preferably, the wiring module comprises a terminal block, a threaded sleeve, a shell, a flexible lead, a sponge sleeve and a sealing washer, the terminal block is installed on the top of the main cylinder, the bottom of the flexible lead is inserted into the terminal block, the threaded sleeve is installed on the top of the main cylinder, the shell is threadedly connected to the threaded sleeve, the sealing ring groove is arranged on the top of the main cylinder, the sealing washer is installed on the bottom of the shell and located in the sealing ring groove, the sponge sleeve is installed on the top of the shell, and the flexible lead extends out of the shell through the sponge sleeve; in use, the flexible lead is pulled out of the sponge sleeve and connected to the interface at the distal end, the sealing washer is used to increase the sealing between the shell and the main cylinder, the sponge sleeve can seal the inside of the shell to prevent dust from falling into the shell, the shell can be rotated and detached from the threaded sleeve, and the flexible lead can be replaced alone after being damaged, thereby reducing the maintenance cost.

[0009] Preferably, the installation module comprises a fixed plate, two connecting plates, two screws, a sliding block, a fixed frame and a screw rod, the connecting plates are installed on the upper and lower ends of the fixed plate, screw holes are formed in the upper and lower ends of the outer wall of the main cylinder, the screws are installed on the connecting plates, the sliding cavity is formed in the fixed plate, the sliding block is slidingly installed in the sliding cavity, the screw rod is screw-connected to the upper portion of the sliding block, the vertical groove is formed in the inner wall of the sliding cavity, the fixed frame is connected to the lower portion of the left side wall of the sliding block, and the fixing hole is formed in the fixed frame.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the installation module is installed on the main cylinder in use, the main cylinder is installed at the use position through the installation module, the downhole temperature is detected through the detection module, the wiring module is connected with the upper controller, the central control module can transform the sensed information into electric signals or other required form information output according to certain rules, so as to meet the requirements of information transmission, processing, storage, display, recording and control, the modularization can be individually replaced when each part fails, the maintenance and replacement are facilitated, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the structural schematic diagram of the utility model;

[0012] Figure 2 It is the three-dimensional structural schematic diagram of the utility model;

[0013] Figure 3 It is the internal structural schematic diagram of the utility model;

[0014] Figure 4 It is the front view sectional structure schematic diagram of the utility model;

[0015] Figure 5 is a schematic diagram of the upper section structure of the utility model;

[0016] Marked in the drawing: 1, main body cylinder; 2, data plug; 3, connecting sleeve; 4, detection seat; 5, connecting screw sleeve; 6, protective sleeve; 7, sealing ring; 8, second sealing ring; 9, wiring seat; 10, threaded sleeve; 11, shell; 12, flexible lead-out wire; 13, sponge sleeve; 14, sealing washer; 15, sliding rod; 16, mounting plate; 17, shock absorbing spring; 18, circuit board; 19, dry inner ring; 20, fixed plate; 21, connecting plate; 22, screw; 23, sliding block; 24, fixed frame; 25, screw rod. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0018] Example 1

[0019] As shown in Figure 1 , Figure 3 , Figure 4 and Figure 5 , the bottom of the main body cylinder 1 is fixedly connected with a data plug 2, the detection seat 4 is fixedly installed in the connecting sleeve 3, the top of the detection seat 4 is provided with a plug-in groove matched with the data plug 2, the bottom of the detection seat 4 is provided with a detection head, the bottom of the main body cylinder 1 is provided with a threaded cylinder, the outer wall of the upper part of the connecting sleeve 3 is provided with a connecting groove, and the outer wall of the upper part of the connecting sleeve 3 is provided with external threads matched with the threaded cylinder, a plurality of sliding rods 15 are axially and uniformly installed inside the main body cylinder 1, the mounting plate 16 is slidingly installed on the outer wall of the sliding rod 15, the shock absorbing springs 17 are sleeved on the upper and lower sides of the sliding rod 15, the shock absorbing springs 17 are located at the upper and lower ends of the mounting plate 16, the circuit board 18 is installed in the middle of the mounting plate 16, the dry inner ring 19 is installed on the outer wall of the main body cylinder 1, the wiring seat 9 is installed on the top of the main body cylinder 1, the bottom of the flexible lead-out wire 12 is plugged into the wiring seat 9, the threaded sleeve 10 is installed on the top of the main body cylinder 1, the shell 11 is threadedly connected to the threaded sleeve 10 at the lower part, the main body cylinder 1 is provided with a sealing ring groove at the top, the shell 11 is provided with a sealing washer 14 at the bottom, the sealing washer 14 is located in the sealing ring groove, the sponge sleeve 13 is installed on the top of the shell 11, and the flexible lead-out wire 12 passes through the sponge sleeve 13 and extends to the outside of the shell 11.

[0020] The rotation of the connecting sleeve 3 makes the threaded sleeve at the bottom of the main body cylinder 1 enter the connecting groove, and the threaded connection between the connecting sleeve 3 and the bottom of the main body cylinder 1 drives the detection seat 4 to be connected upward, so that the data plug 2 enters the plug-in groove, the connection and data transmission are completed, the detection is performed through the detection head, the information sensed through the circuit board 18 is transformed into electrical signals or other required forms of information output according to certain rules, so as to meet the requirements of information transmission, processing, storage, display, recording and control, etc., the circuit board 18 can be cushioned through the cooperation of the mounting plate 16 and the damping spring 17 on the sliding rod 15, so as to avoid damage to the circuit board 18 caused by excessive external impact force and improve the service life, the dry inner ring 19 can ensure the dryness inside the main body cylinder 1, so as to avoid interference to the circuit board 18, when in use, the telescopic lead-out wire 12 is pulled out of the sponge sleeve 13 and connected to the interface at the far end, the sealing gasket 14 is used to increase the sealing property between the shell 11 and the main body cylinder 1, and at the same time, the sponge sleeve 13 can seal the inside of the shell 11, so as to avoid dust from falling into it, the shell 11 is rotated on the threaded sleeve 10 to be detached, so that the shell 11 can be replaced individually after the telescopic lead-out wire 12 is damaged, thereby reducing the maintenance cost.

[0021] Embodiment 2

[0022] As shown in Figure 2 , Figure 4 and Figure 5 , on the basis of embodiment 1, the bottom of the connecting sleeve 3 is provided with a threaded groove, a connecting screw sleeve 5 is threadedly connected in the threaded groove, the bottom of the connecting sleeve 3 is provided with a second sealing ring 8 on both sides of the threaded groove, the connecting screw sleeve 5 is provided with a sealing groove matched with the second sealing ring 8, the connecting screw sleeve 5 is fixedly provided with a protective sleeve 6 at the bottom, a plurality of hollow holes are formed in the protective sleeve 6, a plurality of sealing rings 7 are sleeved on the outer wall of the upper part of the connecting sleeve 3, a connecting plate 21 is mounted on the upper and lower ends of a fixed plate 20, screw holes are formed in the outer wall of the main body cylinder 1 at the upper and lower ends, a screw 22 is mounted on the connecting plate 21, a sliding cavity is formed in the inside of the fixed plate 20, a sliding block 23 is slidingly mounted in the sliding cavity, a screw rod 25 is screwed on the upper part of the sliding block 23, a vertical groove is formed in the inner wall of the sliding cavity, a fixed frame 24 is connected to the lower part of the left side wall of the sliding block 23, and a fixed hole is formed in the fixed frame 24;

[0023] The sealing ring 7 can ensure the sealing of the connection when the connecting sleeve 3 is connected with the main body cylinder 1, and the connecting screw 5 can be connected at the bottom of the connecting sleeve 3 to protect the detection head at the bottom of the detection seat 4, so that the damage caused by external force is prevented; when the protective sleeve 6 is broken, the connecting screw 5 is rotated and removed at the bottom of the connecting sleeve 3, so that the protective sleeve 6 can be replaced alone; according to the actual installation position, the sliding block 23 is moved in the sliding cavity, the sliding block 23 is fixed by the tightening screw 25, the main body cylinder 1 is fixed by the fixing frame 24, the stability during use is ensured, the screw 22 is unscrewed, the fixing plate 20 can be removed from the main body cylinder 1, and the fixing plate 20 can be replaced alone.

[0024] As shown in Figures 1 to 5 the utility model discloses a downhole sensor modular structure, when working, according to actual installation position, make sliding block 23 move in sliding cavity, tighten screw 25 to fixed sliding block 23, through fixed frame 24 to fixed main body cylinder 1, rotate connecting sleeve 3 to make the thread cylinder at the bottom of main body cylinder 1 enter connecting groove, carry out the thread connection with the bottom of main body cylinder 1 with connecting sleeve 3, drive detection seat 4 to connect upwards, make data plug 2 enter the insertion slot, complete connection and data transmission, detect through detection head, pull out flexible lead 12 in sponge cover 13 and connect with the interface of remote end, and sponge cover 13 can seal the inside of shell 11, avoid dust falling in, connecting screw 5 is connected at the bottom of connecting sleeve 3 to make protective sleeve 6 protect the detection head at the bottom of detection seat 4, prevent damage caused by external force, through circuit board 18, the information that is felt is transformed into electric signal or other required form information output according to certain rule, to satisfy the transmission, processing, storage, display, record and control of information and other requirements, through the cooperation of mounting plate 16 and shock absorbing spring 17 on the sliding of slide rod 15, the shock absorbing of circuit board 18 can be buffered, avoid the damage of circuit board 18 caused by excessive external impact force, and the modularization setting can replace separately when each part fails.

[0025] The detection seat 4, the circuit board 18, the flexible lead 12 and the dry inner ring 19 of the utility model are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0026] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a plurality of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the utility model.

Claims

1. A modular structure for downhole sensors, comprising: The utility model provides a kind of detection device, including main body cylinder (1), detection module, wiring module, central control module and installation module, central control module is installed in main body cylinder (1) inside, main body cylinder (1) bottom is connected with detection module, main body cylinder (1) top is connected with wiring module, installation module is connected on the outer wall of main body cylinder (1).

2. A modular downhole sensor structure as defined in claim 1, wherein, Detection module includes data plug (2), connecting sleeve (3), detection seat (4) and protection assembly, data plug (2) is fixedly connected in the bottom of main body cylinder (1), detection seat (4) is fixedly installed in connecting sleeve (3), the top of detection seat (4) is provided with the insertion slot matched with data plug (2), detection head is provided at the bottom of detection seat (4), the bottom of main body cylinder (1) is provided with threaded cylinder, connecting groove is provided on the upper outer wall of connecting sleeve (3), and the outer thread matched with threaded cylinder is provided on the upper outer wall of connecting sleeve (3).

3. A modular downhole sensor structure as defined in claim 2, wherein, Protection assembly includes connecting screw sleeve (5), protective sleeve (6), multiple sealing rings (7) and multiple second sealing rings (8), threaded groove is provided in the bottom of connecting sleeve (3), connecting screw sleeve (5) is threadedly connected in threaded groove, second sealing ring (8) is installed on both sides of threaded groove in the bottom of connecting sleeve (3), sealing groove matched with second sealing ring (8) is provided on connecting screw sleeve (5), protective sleeve (6) is fixedly installed in the bottom of connecting screw sleeve (5), multiple hollow holes are provided on protective sleeve (6), multiple sealing rings (7) are sleeved on the upper outer wall of connecting sleeve (3).

4. A modular downhole sensor structure as defined in claim 1, wherein, Central control module includes multiple slide rods (15), mounting plate (16), multiple sets of damping springs (17), circuit board (18) and dry inner ring (19), multiple slide rods (15) are evenly installed in the inside of main body cylinder (1) in axial direction, mounting plate (16) is slidably installed on the outer wall of slide rod (15), damping spring (17) is sleeved on the upper and lower sides of slide rod (15), damping spring (17) is located at the upper and lower ends of mounting plate (16), circuit board (18) is installed in the middle of mounting plate (16), and dry inner ring (19) is installed on the outer wall of main body cylinder (1).

5. A modular downhole sensor structure as defined in claim 1, wherein, Wiring module includes wiring seat (9), threaded sleeve (10), shell (11), telescopic lead-out wire (12), sponge sleeve (13) and sealing washer (14), wiring seat (9) is installed on the top of main body cylinder (1), the bottom of telescopic lead-out wire (12) is inserted into wiring seat (9), threaded sleeve (10) is installed on the top of main body cylinder (1), shell (11) is threadedly connected on the bottom of threaded sleeve (10), sealing ring groove is provided on the top of main body cylinder (1), sealing washer (14) is installed on the bottom of shell (11), sealing washer (14) is located in sealing ring groove, sponge sleeve (13) is installed on the top of shell (11), and telescopic lead-out wire (12) passes through sponge sleeve (13) and extends to the outside of shell (11).

6. A downhole sensor modular structure as defined in claim 1, wherein, The installation module comprises a fixed plate (20), two connecting plates (21), two screws (22), a sliding block (23), a fixed frame (24) and a screw rod (25), the upper and lower ends of the fixed plate (20) are provided with the connecting plates (21), screw holes are formed in the upper and lower ends of the outer wall of the main body cylinder (1), the connecting plates (21) are provided with the screws (22), the inside of the fixed plate (20) is provided with a sliding cavity, the sliding block (23) is slidingly installed in the sliding cavity, the upper part of the sliding block (23) is provided with the screw rod (25), vertical grooves are formed in the inner wall of the sliding cavity, and the left side wall of the sliding block (23) is connected with the fixed frame (24), and the fixed frame (24) is provided with a fixed hole.

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