CN203191552U - A beidou radio frequency baseband integrated module used for a beidou satellite navigation system user machine - Google Patents
A beidou radio frequency baseband integrated module used for a beidou satellite navigation system user machine Download PDFInfo
- Publication number
- CN203191552U CN203191552U CN 201220711198 CN201220711198U CN203191552U CN 203191552 U CN203191552 U CN 203191552U CN 201220711198 CN201220711198 CN 201220711198 CN 201220711198 U CN201220711198 U CN 201220711198U CN 203191552 U CN203191552 U CN 203191552U
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- radio frequency
- housing
- integrated module
- baseband integrated
- beidou
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Abstract
The utility model discloses a beidou radio frequency baseband integrated module used for a beidou satellite navigation system user machine. The beidou radio frequency baseband integrated module comprises a beidou radio frequency baseband integrated module main body. The beidou radio frequency baseband integrated module main body comprises a housing. A top cover plate and a bottom cover plate are fixed on the housing. A power and data interface signal connector is fixed on the sidewall of one end of the housing. A baseband power board and a radio frequency board are fixed on the inner wall of the housing. The power and data interface signal connector is arranged at one side in the housing and is connected with the baseband power board through a signal line. One end of the radio frequency board is connected with a radio frequency input signal connector. The other end of the radio frequency board is connected with an intermediate frequency output signal connector and a DC pin connector which are connected with the baseband power board. The beidou radio frequency baseband integrated module using beidou satellite communication is used for reconstructing a conventional station system and just needs to be equipped with a communication user terminal. The beidou radio frequency baseband integrated module has characteristics of a small size, easy installation and maintenance, and no newly-increased civil engineering cost.
Description
Technical field
The utility model belongs to satellite communication, and the supporting field of Beidou satellite navigation system subscriber computer is specifically related to a kind of Big Dipper radio frequency baseband integrated module for the Beidou satellite navigation system subscriber computer.
Background technology
China is since introducing first GPS receiver the eighties in last century, become GPS and used big country, benefit from gps system in many aspects, but also be limited by this system simultaneously, for degree of accuracy and the antijamming capability that improves navigation signal, must be at the Big Dipper (BD) satellite navigation system of China's independent development.
Beidou satellite navigation system is the Chinese independent development capability of implementing, the GPS (Global Position System) of independent operating.System's construction object is: build up independent, open compatibility, advanced technology, reliable and stable Beidou satellite navigation system covering the whole world, promote the satellite navigation industrial chain to form, form the perfect support of national satellite navigation application industry, popularization and security system, promote satellite navigation in the widespread use of national economy society every profession and trade.The Beidou satellite navigation system subscriber computer adopts CDMA direct sequence spread spectrum communication system, and signal transmission antijamming capability is strong, and transmission error rates is low.Can extensively be applied to the national economy field of water conservancy, meteorology, traffic, electric power, forestry and ocean.
At the demand of Beidou satellite navigation system subscriber computer miniaturization, nucleus module---radio frequency baseband integrated module of the Big Dipper of development miniaturization subscriber computer is for Big Dipper subscriber computer provides basic product applying of military domain and civil area.
The utility model content
The utility model provides a kind of Big Dipper radio frequency baseband integrated module for the Beidou satellite navigation system subscriber computer, adopts integral structure, solves the miniaturization issues of Beidou satellite navigation system subscriber computer.
For achieving the above object, the technical scheme that adopts of the utility model is:
A kind of Big Dipper radio frequency baseband integrated module for the Beidou satellite navigation system subscriber computer, it is characterized in that: comprise Big Dipper radio frequency baseband integrated module main body, described Big Dipper radio frequency baseband integrated module main body includes housing, upper cover plate is fixedly arranged on the housing, lower cover, power supply and data-interface signal connector are fixedly arranged on the sidewall of housing one end, one end of power supply and data-interface signal connector is positioned at the outside of housing, the other end stretches into the inside of housing, the base band power panel is fixedly arranged on the inwall of housing, rf board, the end that power supply and data-interface signal connector are positioned at enclosure interior is connected with the base band power panel by signal wire, one end of rf board is connected with the radio-frequency input signals connector, the other end of rf board is connected with intermediate frequency output signal connector, direct current row needle connector, intermediate frequency output signal connector, direct current row needle connector also is connected with the base band power panel simultaneously.
Described Big Dipper radio frequency baseband integrated module for the Beidou satellite navigation system subscriber computer, it is characterized in that: described base band power panel, rf board are fixed on the housing by screw respectively.
Described Big Dipper radio frequency baseband integrated module for the Beidou satellite navigation system subscriber computer is characterized in that: be provided with O-ring seal between described housing and the lower cover.
Described Big Dipper radio frequency baseband integrated module for the Beidou satellite navigation system subscriber computer, it is characterized in that: be integrated with funtion part and power units such as base band signal process, encoding and decoding control on the described base band power panel, be integrated with funtion parts such as low noise amplifier, receiving cable, transmission channel, power amplifier and frequency source on the described rf board.
Described Big Dipper radio frequency baseband integrated module for the Beidou satellite navigation system subscriber computer is characterized in that: the voltage range of the power unit on the described base band power panel is+and 9V～+ 36V.
Principle of work of the present utility model:
The satellite-signal of sending here from antenna enters by screw from the radio-frequency input signals connector and is fixed on rf board on the housing, deliver to receiving unit through amplifying through low noise amplifier filtering, after frequency conversion, filtering, amplification, give by screw by intermediate frequency output signal connector and to be fixed on base band power panel on the housing, send by the power supply and the data-interface signal connector that are fixed on the housing through after the base band signal process; Need the data of emission to deliver to the base band power panel by the power supply and the data-interface signal connector that are fixed on the housing, after handling, the baseband signal coding gives rf board by intermediate frequency output signal connector, give the power amplifier part after modulation, frequency conversion, filtering, signal is launched by antenna through amplifying the back.
Useful technique effect of the present utility model is:
1, adopt big-dipper satellite communication, be used for existing station system is transformed, then only need set up Big Dipper communication type user terminal, volume is little, and is convenient for installation and maintenance, do not have newly-increased civil engineering costs; Be used for newly-increased monitoring station, make that then the telemetry station addressing is freer, be not subjected to the influence of geographical environment, movable signal coverage rate; Simultaneously, the multiple spot user concurrent communication capacity of big-dipper satellite communication is strong, and maximum can be handled 500,000 user terminal communication requests simultaneously, the channel jam when can be good at overcoming integral point and observing and predicting.
2, by the different software codec agreement of customization in single-chip microcomputer, make Big Dipper communication type subscriber computer not only can use in water conservancy flood control field, can also be used in fields such as electric power, traffic, meteorology, forestry, fishery.
Description of drawings
Fig. 1 is one-piece construction synoptic diagram of the present utility model.
Fig. 2 is the inner structure synoptic diagram of Big Dipper radio frequency baseband integrated module main body of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described by embodiment.
As Fig. 1, shown in 2, a kind of Big Dipper radio frequency baseband integrated module for the Beidou satellite navigation system subscriber computer, comprise Big Dipper radio frequency baseband integrated module main body 1, Big Dipper radio frequency baseband integrated module main body 1 includes housing 102, upper cover plate 109 is fixedly arranged on the housing 102, lower cover 108, power supply and data-interface signal connector 101 are fixedly arranged on the sidewall of housing 102 1 ends, one end of power supply and data-interface signal connector 101 is positioned at the outside of housing 102, the other end stretches into the inside of housing 102, base band power panel 103 is fixedly arranged on the inwall of housing 102, rf board 106, the end that power supply and data-interface signal connector 101 are positioned at housing 102 inside is connected with base band power panel 103 by signal wire, one end of rf board 106 is connected with radio-frequency input signals connector 104, the other end of rf board 106 is connected with intermediate frequency output signal connector 110, direct current row needle connector 111, intermediate frequency output signal connector 110, direct current row needle connector 111 also is connected with base band power panel 103 simultaneously.
Base band power panel 103, rf board 106 are fixed on the housing 102 by screw 1, screw 2 105 respectively.
Be provided with O-ring seal 112 between housing 102 and the lower cover 108.
Be integrated with funtion part and power units such as base band signal process, encoding and decoding control on the base band power panel 103, be integrated with funtion parts such as low noise amplifier, receiving cable, transmission channel, power amplifier and frequency source on the described rf board 106.The voltage range of the power unit on the base band power panel 103 is+9V～+ 36V.
Finish the transmission of intermediate-freuqncy signal and power supply between base band power panel 103 and the rf board 106 by intermediate frequency output signal connector 110 and direct current row needle connector 111, outside power supply and data-signal are finished transmission by the power supply and the data-interface signal connector 101 that are fixed on the housing 102.
Claims (5)
1. Big Dipper radio frequency baseband integrated module that is used for the Beidou satellite navigation system subscriber computer, it is characterized in that: comprise Big Dipper radio frequency baseband integrated module main body (1), described Big Dipper radio frequency baseband integrated module main body (1) includes housing (102), housing (102) is gone up fixedly upper cover plate (109), lower cover (108), power supply and data-interface signal connector (101) are fixedly arranged on the sidewall of housing (102) one ends, one end of power supply and data-interface signal connector (101) is positioned at the outside of housing (102), the other end stretches into the inside of housing (102), base band power panel (103) is fixedly arranged on the inwall of housing (102), rf board (106), power supply and data-interface signal connector (101) are positioned at the inner end of housing (102) and are connected with base band power panel (103) by signal wire, one end of rf board (106) is connected with radio-frequency input signals connector (104), the other end of rf board (106) is connected with intermediate frequency output signal connector (110), direct current row needle connector (111), intermediate frequency output signal connector (110), direct current row's needle connector (111) also is connected with base band power panel (103) simultaneously.
2. the Big Dipper radio frequency baseband integrated module for the Beidou satellite navigation system subscriber computer according to claim 1, it is characterized in that: described base band power panel (103), rf board (106) are fixed on the housing (102) by screw one (107), screw two (105) respectively.
3. the Big Dipper radio frequency baseband integrated module for the Beidou satellite navigation system subscriber computer according to claim 1 is characterized in that: be provided with O-ring seal (112) between described housing (102) and the lower cover (108).
4. the Big Dipper radio frequency baseband integrated module for the Beidou satellite navigation system subscriber computer according to claim 1, it is characterized in that: be integrated with funtion part and power units such as base band signal process, encoding and decoding control on the described base band power panel (103), described rf board is integrated with funtion parts such as low noise amplifier, receiving cable, transmission channel, power amplifier and frequency source on (106).
5. the Big Dipper radio frequency baseband integrated module for the Beidou satellite navigation system subscriber computer according to claim 4 is characterized in that: the voltage range of the power unit on the described base band power panel (103) is+and 9V～+ 36V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711198 CN203191552U (en) | 2012-12-20 | 2012-12-20 | A beidou radio frequency baseband integrated module used for a beidou satellite navigation system user machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711198 CN203191552U (en) | 2012-12-20 | 2012-12-20 | A beidou radio frequency baseband integrated module used for a beidou satellite navigation system user machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203191552U true CN203191552U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220711198 Expired - Lifetime CN203191552U (en) | 2012-12-20 | 2012-12-20 | A beidou radio frequency baseband integrated module used for a beidou satellite navigation system user machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203191552U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873000A (en) * | 2017-03-31 | 2017-06-20 | 安徽四创电子股份有限公司 | A kind of ship emergency position indicating device based on big-dipper satellite |
| CN114915330A (en) * | 2022-03-31 | 2022-08-16 | 航天恒星科技有限公司 | Satellite terminal with integrated baseband and radio frequency |
-
2012
- 2012-12-20 CN CN 201220711198 patent/CN203191552U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873000A (en) * | 2017-03-31 | 2017-06-20 | 安徽四创电子股份有限公司 | A kind of ship emergency position indicating device based on big-dipper satellite |
| CN106873000B (en) * | 2017-03-31 | 2018-11-02 | 安徽四创电子股份有限公司 | A kind of ship emergency position indicating device based on big-dipper satellite |
| CN114915330A (en) * | 2022-03-31 | 2022-08-16 | 航天恒星科技有限公司 | Satellite terminal with integrated baseband and radio frequency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |
|
| CX01 | Expiry of patent term |