CN112768982B - Temperature-resistant pressure-bearing electric connector for liquid resistivity sensor - Google Patents
Temperature-resistant pressure-bearing electric connector for liquid resistivity sensor Download PDFInfo
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- CN112768982B CN112768982B CN202011581024.2A CN202011581024A CN112768982B CN 112768982 B CN112768982 B CN 112768982B CN 202011581024 A CN202011581024 A CN 202011581024A CN 112768982 B CN112768982 B CN 112768982B
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- contact pin
- pin
- temperature
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- ring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
Abstract
The invention relates to the technical field of sensors and electric connectors, which are used for connecting measuring instruments in a high-temperature and high-pressure environment, in particular to a temperature-resistant pressure-bearing electric connector for a liquid resistivity sensor. The temperature-resistant pressure-bearing electric connector for the liquid resistivity sensor comprises a shell, a first contact pin, a second contact pin, a third contact pin, a fourth contact pin and an insulator; the fourth contact pin is of a columnar structure, one end of the fourth contact pin is a spherical surface, and the other end of the fourth contact pin is provided with a thread; the shell is provided with three threaded through holes, the first contact pin, the second contact pin and the third contact pin are respectively inserted into the threaded through holes, and the insulator is arranged between the contact pins and the threaded through holes; a threaded blind hole is formed in the shell from top to bottom, and the lower end of the fourth contact pin is matched with the threaded blind hole. The invention aims to design a temperature-resistant pressure-bearing electric connector for a liquid resistivity sensor, which is packaged by adopting a glass sintering mode, has a simple structure, is convenient to install and can be stably used at high temperature and high pressure.
Description
Technical Field
The invention relates to the technical field of sensors and electric connectors, which are used for connecting measuring instruments in a high-temperature and high-pressure environment, in particular to a temperature-resistant pressure-bearing electric connector for a liquid resistivity sensor.
Background
In the field of oil exploration or well logging, a sensor is required to carry out signal transmission when the resistivity or the electrical property of liquid such as oil is measured, the sensor usually works in a high-temperature and high-pressure environment such as a downhole environment or a seabed environment, a connector of the existing sensor is usually packaged by high polymer materials which can resist certain temperature such as polyetheretherketone, but the connector packaged by the method cannot bear high pressure, and the high polymer materials have the risk of aging.
Disclosure of Invention
The invention aims to design a temperature-resistant pressure-bearing electric connector for a liquid resistivity sensor. In order to achieve the purpose, the invention adopts the following technical scheme:
a temperature-resistant pressure-bearing electric connector for a liquid resistivity sensor comprises a shell, a first contact pin, a second contact pin, a third contact pin, a fourth contact pin and an insulator; the fourth contact pin is of a columnar structure, one end of the fourth contact pin is a spherical surface, and the other end of the fourth contact pin is provided with a thread; the shell is provided with three threaded through holes, the first contact pin, the second contact pin and the third contact pin are respectively inserted into the threaded through holes, and the insulator is arranged between the contact pins and the threaded through holes; a threaded blind hole is formed in the shell from top to bottom, and the lower end of the fourth contact pin is matched with the threaded blind hole; a counter bore is formed in the shell from bottom to top, three annular grooves are formed in the counter bore, a first copper ring, a second copper ring and a third copper ring are arranged in the three annular grooves respectively, a first insulating ring is arranged between the first copper ring and the inner wall of the shell, a second insulating ring is arranged between the first copper ring and the second copper ring, and a third insulating ring is arranged between the second copper ring and the third copper ring; the first contact pin, the second contact pin and the third contact pin are insulated from the shell, the fourth contact pin is communicated with the shell, the first contact pin is communicated with the second copper ring in a contact mode, the second contact pin is communicated with the third copper ring in a contact mode, and the third contact pin is communicated with the first copper ring in a contact mode.
Furthermore, the first contact pin, the second contact pin and the third contact pin are of annular columnar structures, one end of each of the first contact pin, the second contact pin and the third contact pin is a spherical surface, and the other end of each of the first contact pin, the second contact pin and the third contact pin is a plane.
Furthermore, the first contact pin, the second contact pin and the third contact pin are connected with the shell in a sintering mode with the insulator, and the fourth contact pin is connected with the shell in a screwing mode through threads.
Furthermore, a concave sealing groove capable of placing a rubber sealing ring is formed in the shell.
Furthermore, the first copper ring, the second copper ring and the third copper ring are connected with the first insulating ring, the second insulating ring and the third insulating ring through sintering.
Further, the materials of the first insulating ring, the second insulating ring and the third insulating ring are glass or ceramic or a mixture of glass and ceramic.
Furthermore, the first pin, the second pin, the third pin and the fourth pin are made of stainless steel or nickel-based alloy.
Further, the material of the shell is nickel-based alloy.
Further, the insulator is made of glass or ceramic or a mixture of glass and ceramic.
The beneficial effects brought by the invention are as follows:
the invention designs a temperature-resistant pressure-bearing electric connector for a liquid resistivity sensor, which mainly comprises five parts, namely a contact pin, an insulator, a shell, a copper ring and an insulating ring, wherein the contact pin is divided into two types, namely an insulating contact pin connected with the shell and a contact pin communicated with the shell, the shell is made of a metal alloy material capable of bearing high temperature and high pressure, the insulator is made of an inorganic non-metal material, the copper ring and the insulating ring are used in a matched clearance manner, and one copper ring is only contacted with one contact pin.
A portion of the pins are insulated from the housing and a portion of the pins are in communication with the housing. And one part of the contact pin is connected with the shell in a sintering mode with the insulator, and the other part of the contact pin is connected with the shell in a screwing mode.
The shell is provided with a concave sealing groove for placing a rubber sealing ring. The copper ring and the insulating ring are connected with the shell in a sintering mode. One contact pin is in contact communication with only one copper ring.
The invention adopts a glass sintering mode to package the connector, and the connector has simple structure and convenient installation and can be stably used at high temperature and high pressure.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a cross-sectional view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is an isometric view of the present invention.
Detailed Description
The values and preparation methods of the components of the present invention are further described in detail by the following examples:
as shown in fig. 1 to 4, a temperature-resistant and pressure-bearing electric connector for a liquid resistivity sensor comprises a housing 5, a first contact pin 1, a second contact pin 2, a third contact pin 3, a fourth contact pin 4 and an insulator 6; the fourth contact pin 4 is of a columnar structure, one end of the fourth contact pin is a spherical surface, and the other end of the fourth contact pin is provided with a thread; the shell 5 is provided with three threaded through holes, the first contact pin 1, the second contact pin 2 and the third contact pin 3 are respectively inserted into the threaded through holes, and the insulator 6 is arranged between the contact pins and the threaded through holes; a threaded blind hole is formed in the shell 5 from top to bottom, and the lower end of the fourth contact pin 4 is matched with the threaded blind hole; a counter bore is formed in the shell 5 from bottom to top, three annular grooves are formed in the counter bore, a first copper ring 8, a second copper ring 10 and a third copper ring 12 are respectively arranged in the three annular grooves, a first insulating ring 7 is arranged between the first copper ring 8 and the inner wall of the shell 5, a second insulating ring 9 is arranged between the first copper ring 8 and the second copper ring 10, and a third insulating ring 11 is arranged between the second copper ring 10 and the third copper ring 12; the first contact pin 1, the second contact pin 2 and the third contact pin 3 are insulated from the shell 5, the fourth contact pin 4 is communicated with the shell 5, the first contact pin 1 is communicated with the second copper ring 10 in a contact mode, the second contact pin 2 is communicated with the third copper ring 12 in a contact mode, and the third contact pin 3 is communicated with the first copper ring 8 in a contact mode.
In this embodiment, the first pin 1, the second pin 2, and the third pin 3 are annular cylindrical structures, one end of which is a spherical surface and the other end of which is a flat surface.
In this embodiment, the first pin 1, the second pin 2, and the third pin 3 are connected to the housing 5 by being sintered to the insulator 6, and the fourth pin 4 is connected to the housing 5 by being screwed.
In this embodiment, the housing 5 is provided with a concave sealing groove 13 for placing a rubber sealing ring.
In this embodiment, the first copper ring 8, the second copper ring 10, and the third copper ring 12, the first insulating ring 7, the second insulating ring 9, and the third insulating ring 11 are further connected to the outer shell 5 by sintering.
In this embodiment, the materials of the first insulating ring 7, the second insulating ring 9, and the third insulating ring 11 are glass or ceramic or a mixture of glass and ceramic.
In this embodiment, the first pin 1, the second pin 2, the third pin 3, and the fourth pin 4 are made of stainless steel or nickel-based alloy.
In this embodiment, the material of the housing 5 is a nickel-based alloy.
In this embodiment, the insulator 6 is made of glass or ceramic or a mixture of glass and ceramic.
In the present invention, the principle and the implementation of the present invention are explained by applying the specific embodiments, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; for those skilled in the art, the invention can be modified in the specific embodiments and applications according to the spirit of the present invention, and therefore the content of the present description should not be construed as limiting the invention.
Claims (9)
1. A temperature-resistant pressure-bearing electric connector for a liquid resistivity sensor is characterized by comprising a shell (5), a first contact pin (1), a second contact pin (2), a third contact pin (3), a fourth contact pin (4) and an insulator (6); the fourth contact pin (4) is of a columnar structure, one end of the fourth contact pin is a spherical surface, and the other end of the fourth contact pin is provided with a thread; the shell (5) is provided with three threaded through holes, the first contact pin (1), the second contact pin (2) and the third contact pin (3) are respectively inserted into the threaded through holes, and the insulator (6) is arranged between the contact pins and the threaded through holes; a threaded blind hole is formed in the shell (5) from top to bottom, and the lower end of the fourth contact pin (4) is matched with the threaded blind hole; a counter bore is formed in the shell (5) from bottom to top, three annular grooves are formed in the counter bore, a first copper ring (8), a second copper ring (10) and a third copper ring (12) are arranged in the three annular grooves respectively, a first insulating ring (7) is arranged between the first copper ring (8) and the inner wall of the shell (5), a second insulating ring (9) is arranged between the first copper ring (8) and the second copper ring (10), and a third insulating ring (11) is arranged between the second copper ring (10) and the third copper ring (12); first contact pin (1), second contact pin (2), third contact pin (3) are insulating with shell (5), fourth contact pin (4) and shell (5) intercommunication, first contact pin (1) and second copper ring (10) contact intercommunication, second contact pin (2) and third copper ring (12) contact intercommunication, third contact pin (3) and first copper ring (8) contact intercommunication.
2. The temperature-resistant pressure-bearing electric connector for the liquid resistivity sensor according to claim 1, characterized in that the first pin (1), the second pin (2) and the third pin (3) are of annular columnar structures, one end of each of which is a spherical surface and the other end of each of which is a plane.
3. The temperature-resistant pressure-bearing electric connector for the liquid resistivity sensor according to claim 1, characterized in that the first pin (1), the second pin (2) and the third pin (3) are connected with the housing (5) in a manner of sintering with the insulator (6), and the fourth pin (4) is connected with the housing (5) in a manner of screwing.
4. The temperature-resistant pressure-bearing electric connector for the liquid resistivity sensor according to claim 1, wherein the housing (5) is provided with a concave sealing groove (13) in which a rubber sealing ring can be placed.
5. The temperature-resistant pressure-bearing electric connector for the liquid resistivity sensor according to claim 1, wherein the first copper ring (8), the second copper ring (10) and the third copper ring (12) are connected with the first insulating ring (7), the second insulating ring (9) and the third insulating ring (11) through sintering and are connected with the outer shell (5).
6. The temperature-resistant pressure-bearing electric connector for the liquid resistivity sensor according to claim 1, characterized in that the materials of the first insulating ring (7), the second insulating ring (9) and the third insulating ring (11) are glass or ceramic or a mixture of glass and ceramic.
7. The temperature-resistant pressure-bearing electric connector for the liquid resistivity sensor according to claim 1, characterized in that the materials of the first pin (1), the second pin (2), the third pin (3) and the fourth pin (4) are stainless steel or nickel-based alloy.
8. The temperature and pressure resistant electrical connector for a liquid resistivity sensor according to claim 1, characterized in that the material of the housing (5) is a nickel-based alloy.
9. The temperature-resistant pressure-bearing electric connector for the liquid resistivity sensor according to claim 1, characterized in that the insulator (6) is made of glass or ceramic or a mixture of glass and ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011581024.2A CN112768982B (en) | 2020-12-28 | 2020-12-28 | Temperature-resistant pressure-bearing electric connector for liquid resistivity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011581024.2A CN112768982B (en) | 2020-12-28 | 2020-12-28 | Temperature-resistant pressure-bearing electric connector for liquid resistivity sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112768982A CN112768982A (en) | 2021-05-07 |
| CN112768982B true CN112768982B (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011581024.2A Active CN112768982B (en) | 2020-12-28 | 2020-12-28 | Temperature-resistant pressure-bearing electric connector for liquid resistivity sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN112768982B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200212A (en) * | 2021-10-28 | 2022-03-18 | 西安赛尔电子材料科技有限公司 | High-temperature pressure-bearing mud resistivity sensor |
Citations (11)
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|---|---|---|---|---|
| GB1324769A (en) * | 1970-09-16 | 1973-07-25 | Hubbell Inc Harvey | Electrically insulating bodies |
| JP2007525809A (en) * | 2004-02-27 | 2007-09-06 | グリーン， ツイード オブ デラウェア， インコーポレイテッド | Sealed electrical connector |
| BRPI1002446A2 (en) * | 2010-07-16 | 2012-03-20 | Robert Bosch Limitada | electrical connector assembly |
| CN202737222U (en) * | 2012-08-24 | 2013-02-13 | 杭州开普电子技术有限公司 | High-voltage withstanding electrical connector |
| CN104638450A (en) * | 2015-02-12 | 2015-05-20 | 苏州华旃航天电器有限公司 | Electric connector with temperature-resistant bearing structure |
| CN204391338U (en) * | 2015-02-06 | 2015-06-10 | 深圳市华韵电子科技有限公司 | A kind of high temperature resistant connector |
| CN105428874A (en) * | 2015-12-15 | 2016-03-23 | 贵州航天电器股份有限公司 | Hydraulic seal electrical connector |
| CN205303776U (en) * | 2015-12-29 | 2016-06-08 | 西安赛尔电子材料科技有限公司 | Glass sealing multicore connector of nai pressurization |
| CN206059789U (en) * | 2016-08-26 | 2017-03-29 | 陕西斯达防爆安全科技股份有限公司 | A kind of explosion-proof charging inlet of the encapsulation electric for flame-proof type explosion-proof |
| CN110518401A (en) * | 2019-08-15 | 2019-11-29 | 苏州华旃航天电器有限公司 | A kind of ceramic support loads in mixture multi-core electrical connector |
| CN210723447U (en) * | 2019-09-29 | 2020-06-09 | 中国航空工业集团公司上海航空测控技术研究所 | Packaging and electrical transfer device |
-
2020
- 2020-12-28 CN CN202011581024.2A patent/CN112768982B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1324769A (en) * | 1970-09-16 | 1973-07-25 | Hubbell Inc Harvey | Electrically insulating bodies |
| JP2007525809A (en) * | 2004-02-27 | 2007-09-06 | グリーン， ツイード オブ デラウェア， インコーポレイテッド | Sealed electrical connector |
| BRPI1002446A2 (en) * | 2010-07-16 | 2012-03-20 | Robert Bosch Limitada | electrical connector assembly |
| CN202737222U (en) * | 2012-08-24 | 2013-02-13 | 杭州开普电子技术有限公司 | High-voltage withstanding electrical connector |
| CN204391338U (en) * | 2015-02-06 | 2015-06-10 | 深圳市华韵电子科技有限公司 | A kind of high temperature resistant connector |
| CN104638450A (en) * | 2015-02-12 | 2015-05-20 | 苏州华旃航天电器有限公司 | Electric connector with temperature-resistant bearing structure |
| CN105428874A (en) * | 2015-12-15 | 2016-03-23 | 贵州航天电器股份有限公司 | Hydraulic seal electrical connector |
| CN205303776U (en) * | 2015-12-29 | 2016-06-08 | 西安赛尔电子材料科技有限公司 | Glass sealing multicore connector of nai pressurization |
| CN206059789U (en) * | 2016-08-26 | 2017-03-29 | 陕西斯达防爆安全科技股份有限公司 | A kind of explosion-proof charging inlet of the encapsulation electric for flame-proof type explosion-proof |
| CN110518401A (en) * | 2019-08-15 | 2019-11-29 | 苏州华旃航天电器有限公司 | A kind of ceramic support loads in mixture multi-core electrical connector |
| CN210723447U (en) * | 2019-09-29 | 2020-06-09 | 中国航空工业集团公司上海航空测控技术研究所 | Packaging and electrical transfer device |
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| CN112768982A (en) | 2021-05-07 |
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