WO2022002200A1

WO2022002200A1 - Connector for oil submerged drive device, connection module, and drive device

Info

Publication number: WO2022002200A1
Application number: PCT/CN2021/104006
Authority: WO
Inventors: 刘杰; 邢韬
Original assignee: 浙江都美电气技术股份有限公司
Priority date: 2020-07-01
Filing date: 2021-07-01
Publication date: 2022-01-06
Also published as: CN111725643A

Abstract

A connector (1) for an oil submerged drive device, a connection module, and a drive device. The connector (1) comprises a conductive component (11), a connector housing (12) used for accommodating the conductive component (11), and a first insulating member (131) and a second insulating member (132) which are arranged between the conductive component (11) and the connector housing (12), and spaced apart from each other along the length direction of extension of the conductive component (11). The conductive component (11) comprises a first conductive beam (112) consisting of multiple conductive columns (1121). Each conductive column (1121) passes through the first insulating member (131) and the second insulating member (132), and is insulated from the first insulating member (131) by using ceramics. The second insulating member (132) is made of an elastic insulation material, so that both the connector housing (12) and the conductive column (1121) are in close contact with the second insulating member (132). The connector (1) has a good sealing performance and insulation, can transfer an electrical energy or an electrical signal, and is simple in structure.

Description

Connectors, connection modules and drives for submersible drives

technical field

The invention relates to the technical field of oil extraction equipment control, in particular to a connector, a connection module and a driving device.

Background technique

Today, submersible motors are widely used in oil fields to drive submersible pumps to absorb crude oil. The traditional submersible pump system is driven by the ground control device to drive the submersible motor and submersible pump downhole. It is sent to the submersible motor downhole to realize the start and speed control of the submersible motor, which is a "remote drive" method. The power transmission efficiency of this method is low, it is difficult to ensure the driving performance under the conditions of starting and changing loads, and the energy conversion efficiency of the submersible motor is low. At present, although some submersible motors use downhole controllers to drive the submersible motors downhole, some have poor heat dissipation, some have complex structures, and some have safety problems such as poor insulation and sealing. In order to solve the above problems, it is urgent to provide a driving device that can not only directly drive the submersible motor to work in the well, but also has good heat dissipation performance and good sealing and insulation properties.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the problems of poor heat dissipation or complex structure or hidden safety hazards such as poor insulation and sealing in the prior art, and to provide a driving device, which can directly drive the submersible motor to work in the well, and has the advantages of Good heat dissipation performance, good sealing and insulation, and real-time detection of downhole temperature and pressure.

In order to achieve the above object, one aspect of the present invention provides a connector for a submersible driving device, the connector includes a conductive component, a connector housing for accommodating the conductive component, and a connector provided between the conductive component and the a first insulating member and a second insulating member arranged at intervals along the lengthwise extending direction of the conductive component between the connector housings; the conductive component includes a first conductive bundle composed of a plurality of conductive columns; each of the conductive components The conductive column is penetrated in the first insulating member and the second insulating member, and ceramic insulation is adopted between the first insulating member and the first insulating member; wherein, the second insulating member adopts an elastic insulating material to make the connection Both the device housing and the conductive column are in close contact with the second insulating member. Further, the conductive component includes a second conductive bundle connected to the first conductive bundle; an end of the second conductive bundle away from the first conductive bundle protrudes from the first end of the connector housing, One end of the first conductive bundle facing away from the second conductive bundle protrudes from the second end of the connector housing.

Further, the first insulating member includes a support body and a plurality of first through holes formed on the support body and extending along the length direction of the conductive component, and a plurality of first through holes installed in each of the first through holes. a ceramic sleeve; each of the conductive posts is respectively penetrated in the corresponding ceramic sleeve.

Further, the second insulating member includes a body and a second through hole formed on the body and extending along the length direction of the conductive component; an end of the conductive column facing away from the second conductive bundle passes through a corresponding The second through hole passes through the second end of the connector housing.

A second aspect of the present invention provides a connection module, the connection module includes the above-mentioned connector and a first connection unit; the first connection unit includes an axial direction formed at both ends of the first connection unit The extended first cavity and the second cavity and the partition separating the first cavity and the second cavity; the partition is formed to communicate the first cavity and the second cavity A first hole structure with two cavities, and the connector passes through the first hole structure.

Further, the connection module includes a first detection unit; the first connection unit includes a second hole structure formed on the partition plate and communicated with the first cavity and the second cavity; the The first detection unit is penetrated in the second hole structure.

Further, the connection module includes a first valve and a third hole structure opened on the partition plate and communicating with the second cavity and the third hole structure, and the first valve is installed in the third hole structure.

A third aspect of the present invention provides a drive device, the drive device includes the above-mentioned connection module and a driver body, an outer casing, and a bottom unit, wherein the connection module is configured as a head unit; the head unit and The bottom unit is respectively blocked at both ends of the outer casing, and the driver body is confined in the first accommodating cavity defined by the outer casing, the head unit and the bottom unit. The outer casing and the head unit and the second accommodating cavity defined by the bottom unit and the driver body are filled with insulating fluid.

Further, the driving device includes an airbag accommodated in the first accommodating cavity, the insulating fluid includes gas and liquid, and the gas is accommodated in the airbag.

Further, the bottom unit includes a bottom joint, the first accommodating cavity includes a fourth accommodating cavity formed on the bottom joint, and the airbag is accommodated in the fourth accommodating cavity.

Through the above technical solution, by accommodating a conductive component including a second conductive bundle composed of a plurality of conductive columns in a connector housing, and arranging a first insulating member and the first insulating member between the conductive component and the connector housing a second insulating member; wherein, each of the conductive pillars is penetrated in the first insulating member and the second insulating member, and ceramic insulation is used between the first insulating member and the first insulating member; the second insulating member An elastic insulating material is used; this makes the present invention have good sealing and insulating properties and can transmit electrical energy or electrical signals.

Description of drawings

1 is a schematic structural diagram of a connector according to a specific embodiment of the present application;

2 is a schematic structural diagram of a connection module having a specific embodiment of the connector in FIG. 1;

Fig. 3 is the structural representation of the head unit in Fig. 2;

Fig. 4 and Fig. 5 are structural representations of the first connection unit in Fig. 3;

Fig. 6 is the sectional view of the first connection unit in Fig. 3;

7 and 8 are schematic structural views of the connector body in FIG. 3;

Fig. 9 is the sectional view of the connector body in Fig. 3;

Fig. 10 is the structural representation of the bottom unit in Fig. 2;

Fig. 11 and Fig. 12 are the structural representations of the bottom joint in Fig. 10;

FIG. 13 is a cross-sectional view of the connector body of FIG. 10 .

Description of reference numerals

1-connector; 11-conductive component; 111-second conductive bundle; 112-first conductive bundle; 1121-conductive column; 12-connector shell; 122-line end cap; 121-line end housing; - Thread end cap; 124 - plate end housing; 125 - second sealing ring; 13 - insulating assembly; 131 - first insulating member; 1311 - supporting body; 1312 - first through hole; 132 - second insulating member ; 1321 - body; 1322 - second through hole; 2 - outer shell; 3 - head unit; 31 - connector assembly; 32 - first connection unit; 321 - first connection structure; 322 - second hole structure; 323-third hole structure; 324-second connection structure; 325-first cavity; 326-second cavity; 327-partition plate; 328-first hole structure; 33-first valve; 34-first 35-second connection unit; 351-third connection structure; 352-first annular groove; 353-fourth connection structure; 354-installation through hole; 36-first sealing gasket; 4-bottom unit; 41-bottom tray; 411-third through hole; 43-airbag; 44-bottom joint; 441-fifth connecting structure; 442-second annular groove; 443-fourth accommodating cavity; 444-fourth cavity; 445- the sixth connecting structure; 45- the second valve; 5- the main body of the driver.

detailed description

The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

In order to achieve the above object, one aspect of the present invention provides a connector for a submersible driving device. As shown in FIG. 1 , the connector 1 includes a conductive component 11 and a connector housing for accommodating the conductive component 11 12 and a first insulating member 131 and a second insulating member 132 disposed between the conductive component 11 and the connector housing 12 and spaced along the lengthwise extending direction of the conductive component 11; the conductive component 11 includes The first conductive bundle 112 composed of a plurality of conductive pillars 1121; Ceramic insulation is used between the two parts; the use of ceramic insulation can not only improve the insulation level but also provide the rigidity required by the conductive component 11, wherein the second insulating member 132 is made of elastic insulation material so that the connector housing 12 and the conductive post 1121 Both are in close contact with the second insulating member 132 , so that the second insulating member 132 plays a role of sealing while insulating. The present invention has good sealing and insulating properties, can transmit electrical energy or electrical signals, and has a simple structure.

Further preferably, the first insulating member 131 is provided with a positioning structure. The axial position of the second insulating member 132 can be defined by this positioning mechanism. Preferably, the conductive component 11 includes a second conductive bundle 111 connected to the first conductive bundle 112; the second conductive bundle 111 and the first conductive bundle 112 extend in the same direction and are connected end to end; the second conductive bundle The end of the first conductive bundle 111 away from the first conductive bundle 112 protrudes from the first end of the connector housing 12 , and the end of the first conductive bundle 112 away from the second conductive bundle 111 passes through the connector housing 12 . Out the second end. The transmission of power lines and/or signal lines from one end of the connector to the other end of the connector is achieved through the first conductive bundle 112 .

The connector housing 12 includes a wire end cap 122 , a wire end housing 121 , and a board end housing 124 , which are sequentially arranged in the connection direction from the second conductive bundle 111 to the first conductive bundle 112 . body 124 and the second sealing ring 125 . The wire end cap 122 , the wire end housing 121 , the board end housing 124 and the second sealing ring 125 define an open accommodating cavity with two ends open, and one end of the first conductive bundle 112 facing away from the second conductive bundle 111 The first end passing out of the connector housing 12 is realized by passing through the board end housing 124 ; the end of the second conductive bundle 111 facing away from the first conductive bundle 112 is accommodated in the board end housing 124 . The wire end cap 122 includes stepped sleeves with different radii; the large end of the stepped sleeve is threadedly connected to the wire end housing 121 , and the small end of the stepped sleeve is used for the entry and exit of the second conductive bundle 111 , The second conductive bundle 111 is composed of a copper wire and an insulating outer layer covering the copper wire, and the insulating outer layer is in close contact with the inner hole of the small end of the stepped sleeve; the second conductive bundle 111 passes through the copper wire and conducts electricity. The post 1121 is connected, and the wire end cap 122 and the wire end housing 121 are screwed together for locking; The two insulating members 132 are accommodated in the accommodating cavity defined by the cylindrical structure to play a protective role. The two ends of the cylindrical structure are provided with external threads, and the external threads at both ends of the structure connect the wire end cap 122 and the board end shell respectively. body 124.

Further preferably, the wire end housing 121 includes a flange connected to the outer periphery of the cylindrical structure for fixing the connector 1, and the end of the first conductive bundle 112 facing away from the second conductive bundle 111 is accommodated in the barrel in the structure. During operation, one end of the first conductive bundle 112 facing away from the second conductive bundle 111 is connected to the driver body 5 , so that the cylindrical structure can protect the first conductive bundle 112 from external force. The board end housing 124 and the wire end housing 121 are connected and locked through the board end housing 124 . A second sealing ring 125 is installed on the side of the board end housing 124 away from the wire end threaded cover 123 , and the second sealing ring 125 can not only play a sealing role, but also play an insulating role.

Preferably, the first insulating member 131 includes a support body 1311 and a plurality of first through holes 1312 formed on the support body 1311 and extending along the length direction of the conductive component 11 and installed on each of the first through holes 1312. A ceramic sleeve in a through hole 1312; each of the conductive posts 1121 is respectively penetrated in the corresponding ceramic sleeve. By arranging the ceramic sleeve, the insulation level between the conductive post 1121 and the connector housing 12 is improved. One end of the first conductive bundle 112 facing the second conductive bundle 111 passes through the first insulating member 131 and the second conductive bundle 111 is fixed on the first insulating member 131 and faces the second conductive bundle. 111 on the end face of one end.

Preferably, the second insulating member 132 includes a body 1321 and a second through hole 1322 formed on the body 1321 and extending along the length direction of the conductive component 11 ; the conductive column 1121 faces away from the second conductive bundle One end of 111 passes through the corresponding second through hole 1322 and then passes through the second end of the connector housing 12 . In this way, the conductive post 1121 is insulated from the connector housing 12 by the second insulating member 132 , and one end of the conductive post 1121 penetrates the second end of the connector housing 12 to connect the conductive post 1121 with other components.

The connector set by the above technology can achieve insulation resistance greater than 500 megohms, withstand voltage greater than 1700 volts, sealing protection type test pressure greater than 50 MPa, and ambient temperature resistance is -40 ℃ ~ 120 ℃. Insulation sealing under high temperature and high pressure environment is realized.

A second aspect of the present invention provides a connection module. As shown in FIG. 2 , the connection module includes the connector 1 described above and a first connection unit 32; A first cavity 325 and a second cavity 326 connecting two ends of the unit 32 and extending axially and a partition 327 separating the first cavity 325 and the second cavity 326; the A first hole structure 328 that communicates with the first cavity 325 and the second cavity 326 is formed on the partition plate 327 , and the connector 1 is inserted through the first hole structure 328 . With this arrangement, the isolation between the first cavity 325 and the second cavity 326 is ensured, and the circulation of the liquid between the first cavity 325 and the second cavity 326 can be effectively isolated. The connection module has the technical advantages of the above-mentioned connector.

Preferably, the connection module includes a plurality of connectors 1 mounted on the first connection unit 32 . As shown in Figures 2-3, two different connectors 1 are provided in the connection module to form a connector assembly 31; one of the two connectors 1 is a dedicated connector for power lines, and the other is a dedicated connector for signal lines Connector. In this way, the transmission of electrical signals and the transmission of electrical energy can be achieved through the connector assembly 31 .

Preferably, the connection module includes a first detection unit 34 ; the first connection unit 32 includes a second connection formed on the partition plate 327 and communicated with the first cavity 325 and the second cavity 326 The hole structure 322 ; the first detection unit 34 penetrates the second hole structure 322 . Wherein, the first detection unit 34 is set as a pressure transmitter, and real-time detection of pressure can be realized by setting the pressure transmitter.

Preferably, the connection module includes a first valve 33 and a first valve 33 which is opened in the partition plate 327 and communicates with the second cavity 326 and the third hole structure 323, and the first valve 33 is installed in the third hole structure 323. In the connection module shown in FIG. 3 , the first valve 33 is provided with a blocking screw, and by this setting, the gas can be discharged from the accommodating cavity communicating with the third hole structure 323 through the blocking screw.

Preferably, the connection module includes a second connection unit 35 that is detachably connected to the first connection unit 32; wherein the connector 1 is installed inside the first connection unit 32; the first connection unit 32 The end of the second connection unit 35 away from the second connection unit 35 is used to connect the submersible motor; the end of the second connection unit 35 away from the first connection unit 32 is used to connect to the driver body 5 .

A third aspect of the present invention provides a driving device. As shown in FIG. 2 , the driving device includes the above-mentioned connection module, a driver main body 5 , an outer casing 2 and a bottom unit 4 , wherein the connection module is configured as a head top unit 3; the head unit 3 and the bottom unit 4 are respectively blocked at both ends of the outer casing 2, and the driver main body 5 is restricted to the outer casing 2 and the head unit 3 and the first accommodating cavity defined by the bottom unit 4, and filled with insulating fluid in the second accommodating cavity defined by the outer casing 2 and the head unit 3 and the bottom unit 4 and the driver body 5 . The driver main body 5 includes a bracket, electronic devices and circuit boards fixed on the bracket, and both ends of the bracket are stretched by pre-tightening force to ensure that the devices fixed on the bracket will not touch the inner wall of the outer casing 2; all circuit board fixing holes are two Both ends are provided with elastic gaskets, which play the role of buffering and preventing vibration. The drive device ensures that the electrical energy and the electrical signal are communicated inside and outside the drive device and insulated from each other through the connector 1, and the drive device is dissipated by the insulating fluid.

Further, the driving device further includes a second temperature detection unit disposed on the driver main body 5 . The second temperature detection unit includes a temperature sensor, through which the temperature of the motor can be detected to realize real-time monitoring of the state of the motor.

In addition to the technical advantages of the above-mentioned connector 1, the driving device also has the technical advantages of good heat dissipation. Since the heat generated by the driver main body 5 can be conducted to the outer casing 2 through the insulating fluid and then dissipated, the accumulation of heat in the outer casing 2 is prevented.

Further, the driving device includes an airbag 43 accommodated in the first accommodating cavity, and the insulating fluid includes gas and liquid, wherein the liquid injected into the first accommodating cavity includes but is not limited to transformer oil. In this application , setting a part of the gas in the first accommodating chamber can prevent the influence of the whole driving device when the pressure changes caused by the thermal expansion and contraction of the liquid. In order to fix the gas in the set position, the gas is contained in the air bag 43 .

Further, the bottom unit 4 includes a bottom joint 44 , the first accommodating cavity includes a fourth accommodating cavity 443 formed on the bottom joint 44 , and the airbag 43 is accommodated in the fourth accommodating cavity 443 . In this way, the position of the gas is further limited by limiting the position of the airbag 43 to ensure that the liquid is covered around the driver main body 5. In this way, when the electrical components on the driver main body 5 work, the heat generated is transferred to the liquid, and the liquid is affected by When thermally expanded, the airbag 43 can be compressed to play a buffering role without affecting the heat dissipation effect.

Further preferably, as shown in FIGS. 2-3 , the connection module includes two of the connectors, and the first conductive bundle 112 in one of the two connectors includes five of the conductive columns 1121 . The connector acts as a power line connector; the first conductive bundle 112 in the other of the two connectors includes ten of the conductive posts 1121 , and the connector acts as a signal line connector. Of course, a plurality of connectors may be provided in the connection module, and the number of conductive pillars 1121 in the power line connector is not limited to five, and the number of conductive pillars 1121 in the signal line connector is not limited to ten. The number of conductive pillars 1121 is set according to actual needs. Wherein, the conductive pillars 1121 can be configured as copper pillars to improve the current that can be energized.

Preferably, the bottom unit 4 includes a bottom tray 41 covering the opening of the fourth accommodating cavity 443 and having a third through hole 411 . When the airbag 43 is accommodated in the fourth accommodating cavity 443 and is limited by the bottom tray 41 , the position of the airbag 43 in the first accommodating cavity is further limited. The air bag 43 is filled with gas and then closed, and then placed in the fourth accommodating cavity 443 ; the liquid can flow through the third through hole 411 to ensure that the space around the air bag 43 can be filled.

In order to inject or discharge the liquid into the first accommodating chamber, the driving device is provided with a first valve 33 as shown in FIG. 3 and a second valve 45 as shown in FIG. 10 ; wherein, the first valve 33 is installed in FIG. 4 In the third hole structure 323 of the head unit 3 shown in -6; the second valve 45 is installed in the fourth cavity 444 shown in FIG. 1 and FIG. 13 . The second valve 45 can be set as an oil filling valve, and the first valve 33 can be set as a blocking screw. In this way, the insulating liquid can be injected into the second accommodating cavity through the second valve 45, and at the same time, the blocking screw can be opened. The gas in the accommodating cavity is discharged from the third hole structure 323 for accommodating the blocking screw, so that the second accommodating cavity can be filled with insulating liquid. vice versa.

In the driver main body 5, the driver main body 5 includes a bracket, electronic devices and circuit boards fixed on the bracket, and both ends of the bracket are stretched by a pre-tensioning force, so as to ensure that the electronic device fixed on the bracket will not touch the outer casing 2 the inner wall, so the setting can effectively shock absorption. For further shock absorption, elastic spacers are provided at both ends of all electronic device fixing holes.

Wherein, the bottom tray 41 is threadedly connected to the outer casing 2 through external threads. The bottom tray 41 also includes a through hole for passing through a connecting bolt, and the connecting bolt is passed through the through hole and is connected to a bracket provided on the driver main body 5 with an inner threaded hole. In this way, when the driver main body 5 and the bottom tray 41 are connected by the connecting bolts, a pre-tightening force can be provided to the bracket, so that both ends of the bracket are stretched by the pre-tightening force, thereby ensuring that the bracket is The fixing is stable, thereby ensuring that the electronic device fixed on the bracket will not touch the inner wall of the outer casing 2 .

In the driving device, as shown in FIG. 3 in a specific embodiment of the head unit 3 , the head unit 3 includes a first connection unit 32 and two

connectors

1 and 3 mounted on the first connection unit 32 . The first valve 33 installed on the side wall of the first connection unit 32, the first detection unit 34 installed on the first connection unit 32, and the second connection unit 35 threadedly connected to the first connection unit 32; A detection unit 34 is used to detect the liquid pressure, and convert the detected signal into an electrical signal and provide it to the driver main body 5; as shown in FIG. The annular groove 352 encloses the first sealing gasket 36 as shown in FIG. 3 in the circumferential direction of the first annular groove 352 for sealing connection between the second connecting unit 35 and the outer casing 2 .

As shown in FIGS. 4-6 , the first connection unit 32 includes a first connection structure 321 which is an external thread, and is connected to the submersible motor through the first connection structure 321 . The end of the first connection structure 321 away from the submersible motor includes a second connection structure 324 with an external thread, and the second connection structure 324 is used to connect the second connection unit 35 . As shown in FIG. 6 , a first cavity 325 is provided at one end close to the first connecting structure 321 , a second cavity 326 is provided at one end close to the second connecting structure 324 , and a partition 327 is provided between the first cavity 325 and the second cavity 324 . Between the two cavities 326, a second hole structure 322 is provided on the partition plate 327, and the first detection unit 34 is penetrated in the second hole structure 322, wherein the shape of the inner wall of the second hole structure 322 and the first detection The profiles of the cells 34 are matched to ensure good sealing performance. A third hole structure 323 is provided on the side wall of the first connecting unit 32. The third hole structure 323 is divided into two parts, a radial hole and an axial hole. The radial hole is used for installing the first valve 33. The valve 33 and radial holes are used to discharge gas when the liquid flows from the first containment chamber into the second cavity 326 .

7-9 are schematic diagrams of the structure of the second connection unit 35, the second connection unit 35 is a cylindrical structure, as shown in FIG. 9, the second connection unit 35 includes a fourth connection structure 353 which is an external thread. The fourth connection structure 353 is connected with the inner thread of the outer casing 2 to fix the head unit 3 to the outer casing 2. At the same time, the second connection unit 35 further includes a The mounting through hole 354 is used to connect with the driver body 5 through the mounting through hole 354 . The end of the second connection unit 35 facing the first connection unit 32 includes a third connection structure 351 set as an internal thread. The third connection structure 351 is screwed for connection.

As shown in FIG. 10 , the bottom unit 4 of a specific embodiment is composed of a bottom tray 41 , a second sealing gasket 42 , an air bag 43 , a bottom joint 44 and a second valve 45 . The bottom tray 41 is used for connecting with the driver main body 5 and at the same time with the outer casing; the connection sealing between the bottom joint 44 and the outer casing 2 is realized by the second sealing gasket 42 ; the air bag 43 is set as a rubber air bag for fixing At the position of the gas in the first accommodating cavity, when the liquid in the first accommodating cavity expands and contracts with heat, the airbag 43 acts as a buffer, eliminating the influence of thermal expansion and contraction on the drive device without affecting heat dissipation; , the bottom joint 44 is used to install the air bag 43 and the second valve 45, and is connected with the outer casing 2; the second valve 45 is also used to inject oil into the first accommodating cavity. As shown in FIG. 13 , the bottom joint 44 includes a fourth accommodating cavity 443 and a fourth cavity 444 that are axially arranged and communicated with each other, wherein the fourth accommodating cavity 443 is used for accommodating the airbag 43 ; the fourth cavity 444 is used for installation The second valve 45; one end of the outer wall of the bottom joint 44 is provided with a fifth connection structure 441 with an external thread for connecting the outer casing 2; the other end away from the fifth connection structure 441 is provided with a sixth connection with an external thread The structure 445 is connected to the anchor through the sixth connecting structure 445 . A plurality of second annular grooves 442 are included on the outer circumference of the bottom joint 44 , and the sealing between the bottom joint 44 and the outer casing 2 is achieved by installing the second sealing gasket 42 in FIG. 10 in the second annular grooves 442 , to enhance the sealing effect of the drive device.

When this driving device is used to drive the downhole submersible motor, the motor can be directly driven downhole, so that the electricity utilization rate and oil pumping efficiency can be maximized. Through the first detection unit for pressure detection 34 and the second detection unit for temperature detection can directly sample the pressure and temperature in the well, and directly sample the motor encoder signal, thereby realizing real-time monitoring of the motor state, thereby improving the control ability of the motor.

Real-time detection of downhole temperature and pressure through the first detection unit 34 set as a pressure transmitter and the second detection unit set as a temperature sensor on the driving device effectively ensures that the submersible motor driven by the driving device can effectively detect the downhole temperature and pressure. It can adapt to the environment and realize the purpose of long-distance communication with the ground control device. The communication distance can exceed 2000 meters, so that the state of the well can be monitored in real time on the ground and various operation commands can be sent.

The preferred embodiments of the present invention have been described above in detail with reference to the accompanying drawings, however, the present invention is not limited thereto. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solutions of the present invention, including the combination of various specific technical features in any suitable manner. In order to avoid unnecessary repetition, the present invention will not describe various possible combinations. However, these simple modifications and combinations should also be regarded as the contents disclosed in the present invention, and all belong to the protection scope of the present invention.

Claims

A connector for a submersible oil drive device, characterized in that the connector comprises a conductive component (11), a connector housing (12) for accommodating the conductive component (11), and a connector housing (12) arranged on the conductive component (11). A first insulating member (131) and a second insulating member (132) spaced between the component (11) and the connector housing (12) along the lengthwise extending direction of the conductive component (11); the conductive component (11); The assembly (11) includes a first conductive bundle (112) composed of a plurality of conductive pillars (1121); each of the conductive pillars (1121) passes through the first insulating member (131) and the second insulating member Ceramic insulation is used in the part (132) and between the first insulating part (131); wherein, the second insulating part (132) is made of elastic insulating material so that the connector housing (12) and the The conductive pillars (1121) are all in close contact with the second insulating member (132).
The connector according to claim 1, wherein the conductive component (11) comprises a second conductive bundle (111) connected to the first conductive bundle (112); the second conductive bundle (111) ) one end away from the first conductive bundle (112) protrudes from the first end of the connector housing (12), and one end of the first conductive bundle (112) away from the second conductive bundle (111) Pass through the second end of the connector housing (12).
The connector according to claim 2, wherein the first insulating member (131) comprises a support body (1311) and a support body (1311) formed on the support body (1311) and along the conductive component (11) A plurality of first through holes (1312) extending in the length direction and a ceramic sleeve installed in each of the first through holes (1312); in a ceramic sleeve.
The connector according to claim 2, wherein the second insulating member (132) comprises a body (1321) and is formed on the body (1321) and extends along the length direction of the conductive component (11) The second through hole (1322) of the conductive column (1121); the end of the conductive column (1121) facing away from the second conductive bundle (111) passes through the corresponding second through hole (1322) and then passes out of the connector housing ( 12) at the second end.
A connection module, characterized in that the connection module comprises the connector according to any one of claims 1-4 and a first connection unit (32); the first connection unit (32) comprises a connector formed in a A first cavity (325) and a second cavity (326) extending axially at both ends of the first connecting unit (32) and connecting the first cavity (325) and the second cavity A partition (327) separated by cavities (326); a first hole structure (328) connecting the first cavity (325) and the second cavity (326) is formed on the partition (327) ), the connector passes through the first hole structure (328).
The connection module according to claim 5, characterized in that, the connection module includes a first detection unit (34); the first connection unit (32) includes a connection formed on the partition plate (327) and communicated with the The first cavity (325) and the second hole structure (322) of the second cavity (326); the first detection unit (34) is penetrated in the second hole structure (322).
The connection module according to claim 6, characterized in that, the connection module comprises a first valve (33) and a first valve (33) and a third hole opened in the partition plate (327) and communicating with the second cavity (326) and the third hole structure (323), the first valve (33) is installed in the third hole structure (323).
A driving device, characterized in that, the driving device comprises the connection module described in any one of claims 5-7, a driver main body (5), an outer casing (2), and a bottom unit (4), wherein the The connection module is configured as a head unit (3); the head unit (3) and the bottom unit (4) are respectively blocked at both ends of the outer casing (2), and the driver main body ( 5) Restricted in the first accommodating cavity defined by the outer casing (2) and the head unit (3) and the bottom unit (4), and in the outer casing (2) and the head The unit (3) and the second accommodating cavity defined by the bottom unit (4) and the driver body (5) are filled with insulating fluid.
The driving device according to claim 8, characterized in that the driving device comprises an air bag (43) accommodated in the first accommodating cavity, the insulating fluid comprises gas and liquid, and the gas is accommodated in the first accommodating cavity in the air bag (43).
The driving device according to claim 9, characterized in that the bottom unit (4) comprises a bottom joint (44), and the first accommodating cavity comprises a fourth accommodating cavity formed on the bottom joint (44) (443), the airbag (43) is accommodated in the fourth accommodating cavity (443).