CN205691987U - The electrical connection arrangement of communication interface - Google Patents
The electrical connection arrangement of communication interface Download PDFInfo
- Publication number
- CN205691987U CN205691987U CN201620552258.7U CN201620552258U CN205691987U CN 205691987 U CN205691987 U CN 205691987U CN 201620552258 U CN201620552258 U CN 201620552258U CN 205691987 U CN205691987 U CN 205691987U
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- communication interface
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- communication
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Abstract
The utility model discloses the electrical connection arrangement of a kind of communication interface, it includes main control singlechip, DC DC power module, LDO chip, RS485 communication interface chip and RS232 communication interface chip, and wherein DC DC power module in order to become+5V output by the+29V voltage of power bus；LDO chip is other chip power supply of circuit in order to+5V to reduce to+3.3V；RS485 communication interface chip is in order to realize the connection of main control singlechip UART communication interface and mwd system RS485 communication bus；RS232 communication interface chip is in order to realize the connection of main control singlechip UART communication interface and resistivity instrument RS232 communication bus.RS485 interface can be changed by this utility model with RS232 communication interface, it is achieved that the communication connection of MWD and resistivity instrument, and this device reliability is strong, it is simple to install, easy to use, maintenance cost is low.
Description
Technical field
This utility model relates to a kind of oil drilling industry underground equipment measurement while-drilling instrument, especially a kind of communication interface
Electrical connection arrangement.
Background technology
The communication interface of existing mwd system is RS485, and the communication interface of resistivity instrument is RS232, it is impossible to directly enter
Row communication.On the basis of not changing existing apparatus structure, it is achieved MWD and the communication of resistivity, it is necessary for designing a kind of science
The electrical connection arrangement of the communication interface of rationally, reliable and stable and simple in construction.
Summary of the invention
The technical problems to be solved in the utility model is to provide the electrical connection of a kind of simple and reasonable communication interface
Device.
In order to solve above-mentioned technical problem, this utility model include main control singlechip, DC-DC power module, LDO chip,
RS485 communication interface chip and RS232 communication interface chip, wherein
Described DC-DC power module in order to become+5V output by the+29V voltage of power bus；
Described LDO chip is other chip power supply of circuit in order to+5V to reduce to+3.3V；
Described RS485 communication interface chip is in order to realize main control singlechip UART communication interface and mwd system RS485 communication
The connection of bus；
Described RS232 communication interface chip is in order to realize main control singlechip UART communication interface and resistivity instrument RS232
The connection of communication bus.
The beneficial effects of the utility model are: RS485 interface and RS232 communication interface can be carried out turning by this utility model
Changing, it is achieved that MWD and the communication connection of resistivity instrument, this device reliability is strong, it is simple to install, easy to use, maintenance cost
Low.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the electrical connection arrangement of this utility model communication interface.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings:
Seeing Fig. 1, the electrical connection arrangement of communication interface of the present utility model includes main control singlechip, DC-DC power source mould
Block, LDO chip, RS485 communication interface chip and RS232 communication interface chip, wherein
Described DC-DC power module in order to become+5V output by the+29V voltage of power bus；
Described LDO chip is other chip power supply of circuit in order to+5V to reduce to+3.3V；
Described RS485 communication interface chip is in order to realize main control singlechip UART communication interface and mwd system RS485 communication
The connection of bus；
Described RS232 communication interface chip is in order to realize main control singlechip UART communication interface and resistivity instrument RS232
The connection of communication bus.
The electrical connection arrangement of a kind of communication interface of the present utility model, is carried out RS485 interface with RS232 communication interface
Conversion, uses this device to connect mwd system and resistivity instrument, can realize the communication connection of two kinds of instruments.
In sum, content of the present utility model is not limited in the above embodiments, and those skilled in the art can
To propose other embodiment within technological guidance's thought of the present utility model, but these embodiments are included in this practicality newly
Within the scope of type.
Claims (1)
1. the electrical connection arrangement of a communication interface, it is characterised in that: include main control singlechip, DC-DC power module, LDO
Chip, RS485 communication interface chip and RS232 communication interface chip, wherein
Described DC-DC power module in order to become+5V output by the+29V voltage of power bus；
Described LDO chip is other chip power supply of circuit in order to+5V to reduce to+3.3V；
Described RS485 communication interface chip is in order to realize main control singlechip UART communication interface and mwd system RS485 communication bus
Connection；
Described RS232 communication interface chip is in order to realize main control singlechip UART communication interface and resistivity instrument RS232 communication
The connection of bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620552258.7U CN205691987U (en) | 2016-06-02 | 2016-06-02 | The electrical connection arrangement of communication interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620552258.7U CN205691987U (en) | 2016-06-02 | 2016-06-02 | The electrical connection arrangement of communication interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205691987U true CN205691987U (en) | 2016-11-16 |
Family
ID=57261051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620552258.7U Expired - Fee Related CN205691987U (en) | 2016-06-02 | 2016-06-02 | The electrical connection arrangement of communication interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205691987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108228508A (en) * | 2017-11-07 | 2018-06-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Communication interface circuit and communication means |
-
2016
- 2016-06-02 CN CN201620552258.7U patent/CN205691987U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108228508A (en) * | 2017-11-07 | 2018-06-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Communication interface circuit and communication means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210918 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106 Bohai Drilling Engineering Co., Ltd. science and Technology Development Office Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |