CN203800348U - Hand-held Beidou satellite navigation terminal - Google Patents
Hand-held Beidou satellite navigation terminal Download PDFInfo
- Publication number
- CN203800348U CN203800348U CN201420184692.5U CN201420184692U CN203800348U CN 203800348 U CN203800348 U CN 203800348U CN 201420184692 U CN201420184692 U CN 201420184692U CN 203800348 U CN203800348 U CN 203800348U
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- CN
- China
- Prior art keywords
- circuit board
- contact pin
- satellite navigation
- hand
- beidou satellite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000008054 signal transmission Effects 0.000 claims abstract description 4
- 238000005538 encapsulation Methods 0.000 claims description 24
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- Radio Relay Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model discloses a hand-held Beidou satellite navigation terminal. The hand-held Beidou satellite navigation terminal comprises a terminal body. The terminal body is provided with an antenna and a low-noise power amplifier module. The hand-held Beidou satellite navigation terminal further comprises a switch module. The switch module comprises a radio frequency repeater circuit board, at least two pin connectors and at least two jack connectors. The antenna is electrically connected with the radio frequency repeater circuit board through the at least two pin connectors and the at least two jack connectors, and the low-noise power amplifier module is electrically connected with the radio frequency repeater circuit board through the at least two pin connectors and the at least two pin connectors, such that radiofrequency signals are transmitted between the antenna and the low-noise power amplifier module through the radio frequency repeater circuit board. According to the utility model, the switching module composed of the radio frequency repeater circuit board, the pin connectors, the jack connectors and the like is employed as a bridge for radiofrequency signal transmission between the antenna and the low-noise power amplifier module. Compared to the adoption of a radio frequency cable in the prior art, the hand-held Beidou satellite navigation terminal has the advantages of compact structure, small overall size, no radiofrequency signal loss, and the like.
Description
Technical field
The utility model relates to a kind of terminal equipment, particularly relates to a kind of hand-hold type Beidou satellite navigation terminal.
Background technology
At present, along with the fast development of Beidou satellite navigation industry, the various ground receiving terminal demands based on dipper system are also constantly expanded, particularly little, the portable portable equipment of volume.Due to portable equipment small volume, make its compactedness for internal structure and electromagnetic shielding require higher.At present, prior art hand-held Beidou satellite navigation terminal, mostly adopt radio frequency cable as transmitting the bridge of radiofrequency signal between its antenna and LNA power amplifier module (being low noise amplification and power amplifier module), yet, adopt radio frequency cable to have following weak point: can lose certain radiofrequency signal; Need to integrate, connect up, require to have larger taking up room.Thereby this hand-hold type Beidou satellite navigation terminal of prior art is difficult to meet user demand.
Utility model content
The purpose of this utility model is to overcome the deficiency of prior art, and a kind of hand-hold type Beidou satellite navigation terminal is provided, its have compact conformation, volume little, can not lose the features such as radiofrequency signal.
The utility model solves the technical scheme that its technical problem adopts: a kind of hand-hold type Beidou satellite navigation terminal, comprise terminal body, and this terminal body is equipped with antenna and LNA power amplifier module; Also comprise an interconnecting module, this interconnecting module comprises a RF repeating circuit board, at least two contact pin connectors and at least two receptacle connectors; Antenna is electrically connected with RF repeating circuit board mutually by least two contact pin connectors or at least two receptacle connectors, LNA power amplifier module is electrically connected with RF repeating circuit board mutually by least two receptacle connectors or at least two contact pin connectors, makes by RF repeating circuit board, to carry out radiofrequency signal transmission between antenna and LNA power amplifier module.
Further, one end of described each contact pin connector is welded in respectively the wherein one side of described RF repeating circuit board, and the other end of each contact pin connector is plugged in respectively described antenna; One end of described each receptacle connector is welded in respectively the another side of described RF repeating circuit board, and the other end of each receptacle connector is plugged in respectively described LNA power amplifier module; Each contact pin connector forms corresponding one by one with each receptacle connector respectively.
Further, described RF repeating circuit board is provided with at least two PCB encapsulation and at least two the 2nd PCB encapsulation, and each PCB encapsulation is corresponding one by one with each the 2nd PCB encapsulation respectively, and forms electrical connection; One end of described each contact pin connector is welded in respectively a PCB encapsulation, and one end of described each receptacle connector is welded in respectively the 2nd PCB encapsulation.
Further, described interconnecting module also comprises a container cavity, described RF repeating circuit board, each contact pin connector and each receptacle connector are coated on respectively in this container cavity, and the chamber wall of this container cavity is provided with the resigning hole that supplies the other end of described each contact pin connector and the other end of described each receptacle connector to stretch out.
Further, also comprise radome, described antenna package is overlying in this radome.
Further, described contact pin connector and described receptacle connector have respectively three; Described RF repeating circuit board has three PCB encapsulation and three the 2nd PCB encapsulation.
Further, described terminal body comprises upper cover plate assembly and lower cover assembly, and upper cover plate assembly and lower cover assembly connect fixing up and down, and surrounds one for holding the inner chamber of described antenna, LNA power amplifier module and interconnecting module.
The beneficial effects of the utility model are:
1, the utility model adopts the interconnecting module consisting of RF repeating circuit board, at least two contact pin connectors and at least two receptacle connectors etc., the bridge transmitting as radiofrequency signal between antenna and LNA power amplifier module, adopt compared to existing technology radio frequency cable, have compact conformation, overall volume little, can not lose the features such as radiofrequency signal;
2, because interconnecting module also comprises a container cavity, described RF repeating circuit board, each contact pin connector and each receptacle connector are coated on respectively in this container cavity, make the utility model RF repeating circuit board can be sealed in to container cavity inside, thereby can farthest reduce the electromagnetic interference of radiofrequency signal to terminal inner.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But a kind of hand-hold type Beidou satellite navigation terminal of the present utility model is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is exploded perspective view of the present utility model;
Fig. 2 is the exploded perspective view of interconnecting module of the present utility model;
Fig. 3 is the structural representation of RF repeating circuit board of the present utility model.
Embodiment
Embodiment, refers to shown in Fig. 1, Fig. 2, and a kind of hand-hold type Beidou satellite navigation terminal of the present utility model, comprises terminal body, and this terminal body is equipped with antenna 2, LNA power amplifier module 4 and an interconnecting module 4.Specifically, this interconnecting module 4 comprises a RF repeating circuit board 33, three contact pin connectors 31 and three receptacle connectors 35; Antenna 2 is electrically connected with RF repeating circuit board 33 mutually by three contact pin connectors 31, LNA power amplifier module 4 is electrically connected with RF repeating circuit board 33 mutually by three receptacle connectors 35, makes by RF repeating circuit board 33, to carry out radiofrequency signal transmission between antenna 2 and LNA power amplifier module 4.
As a kind of preferred, one end of described each contact pin connector 31 is welded in respectively the wherein one side of described RF repeating circuit board 33, and the other end of each contact pin connector 31 is plugged in respectively described antenna 2; One end of described each receptacle connector 35 is welded in respectively the another side of described RF repeating circuit board 33, and the other end of each receptacle connector 35 is plugged in respectively described LNA power amplifier module 4; Each contact pin connector 31 forms corresponding one by one with each receptacle connector 35 respectively.
As shown in Figure 3, described RF repeating circuit board is provided with 331 and three the 2nd PCB encapsulation 332 of three PCB encapsulation, and each PCB encapsulation 331 is corresponding one by one with each the 2nd PCB encapsulation 332 respectively, and forms electrical connection; One end of described each contact pin connector 31 is welded in respectively a PCB encapsulation 331, and one end of described each receptacle connector 35 is welded in respectively the 2nd PCB encapsulation 332.
As a kind of preferred, described interconnecting module 4 also comprises a container cavity, described RF repeating circuit board 33, each contact pin connector 31 and each receptacle connector 35 are coated on respectively in this container cavity, and the chamber wall of this container cavity is provided with the resigning hole that supplies the other end of described each contact pin connector 31 and the other end of described each receptacle connector 35 to stretch out.Specifically, described interconnecting module 4 also comprises a housing, and described container cavity is located in this housing.Here, housing specifically comprises that one is provided with shell 32 and a cover plate 34 of opening, cover plate 34 is fixed in the opening part of shell 32, and the bottom surface of cover plate 34 and shell 32 is respectively equipped with three resigning holes, the other end of above-mentioned each contact pin connector 31 stretches out by the resigning hole of shell bottom surface respectively, and the other end of above-mentioned each receptacle connector 35 stretches out by three resigning holes on cover plate 34 respectively.
As a kind of preferred, the utility model also comprises radome 1, and described antenna 2 is coated in this radome 1.Described terminal body comprises upper cover plate assembly 6 and lower cover assembly 5, and upper cover plate assembly 6 and lower cover assembly 5 connect fixing up and down, and surrounds one for holding the inner chamber of described antenna 2, LNA power amplifier module 4 and interconnecting module 4.
A kind of hand-hold type Beidou satellite navigation terminal of the present utility model, the contact pin connector 31 and the receptacle connector 35 that in its interconnecting module 4, use are SMP type, this connector is a kind of subminiature blind radio frequency connector of joining, have frequency of utilization high, connect fast, vibration resistance is strong, allow axially and radially to have certain features such as amount of mismatch.Use this connector easy accessibility, and can reduce the required space of inner cabling, make compact overall structure.Its RF repeating circuit board 33 mainly plays the electrical connection effect of radiofrequency signal, this RF repeating circuit board 33 adopts FR4 sheet material, its three PCB encapsulation 331(are PCB pad) input of S frequency, the input of L frequency, the input of B3 frequency of corresponding big-dipper satellite antenna respectively, its three the 2nd PCB encapsulation 332(are PCB pad) output of S frequency, the output of L frequency, the output of B3 frequency of corresponding big-dipper satellite antenna respectively.Corresponding input and output are coupled together, and when connecting wiring, to pay special attention to control line impedence be 50 ohm.Adopt this interconnecting module, can farthest reduce the decay of radiofrequency signal.Meanwhile, the utility model transmits radiofrequency signal by RF repeating circuit board 33, and RF repeating circuit board 33 is sealed in container cavity, thereby can farthest reduce radiofrequency signal terminal inner generation electromagnetic interference.
A kind of hand-hold type Beidou satellite navigation terminal of the present utility model, it adopts RF repeating circuit board 33 to coordinate three receptacle connectors 35 and three contact pin connectors 31 is that low noise amplifies and power amplifier module as antenna 2 and LNA power amplifier module 4() between the bridge that transmits of radiofrequency signal, for antenna 2 a plurality of frequency signals of transmitting-receiving and transmit clock signals.Here, the quantity of contact pin connector 31 and receptacle connector 35 is not limited to three, can for example carry out Function Extension according to actual needs, increases the quantity of contact pin connector 31 and receptacle connector 35, for antenna 2 other frequency signals of transmission.In addition, antenna 2 is to coordinate with contact pin connector or coordinate with receptacle connector, is to be jack or contact pin according to what arrange on antenna 2.In like manner, LNA power amplifier module 4 is to coordinate with contact pin connector or coordinate with receptacle connector, is to be also jack or contact pin according to what arrange on LNA power amplifier module 4.
Above-described embodiment is only used for further illustrating a kind of hand-hold type Beidou satellite navigation terminal of the present utility model; but the utility model is not limited to embodiment; any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all fall in the protection range of technical solutions of the utility model.
Claims (7)
1. a hand-hold type Beidou satellite navigation terminal, comprises terminal body, and this terminal body is equipped with antenna and LNA power amplifier module; It is characterized in that: also comprise an interconnecting module, this interconnecting module comprises a RF repeating circuit board, at least two contact pin connectors and at least two receptacle connectors; Antenna is electrically connected with RF repeating circuit board mutually by least two contact pin connectors or at least two receptacle connectors, LNA power amplifier module is electrically connected with RF repeating circuit board mutually by least two receptacle connectors or at least two contact pin connectors, makes by RF repeating circuit board, to carry out radiofrequency signal transmission between antenna and LNA power amplifier module.
2. hand-hold type Beidou satellite navigation terminal according to claim 1, is characterized in that: one end of described each contact pin connector is welded in respectively the wherein one side of described RF repeating circuit board, and the other end of each contact pin connector is plugged in respectively described antenna; One end of described each receptacle connector is welded in respectively the another side of described RF repeating circuit board, and the other end of each receptacle connector is plugged in respectively described LNA power amplifier module; Each contact pin connector forms corresponding one by one with each receptacle connector respectively.
3. hand-hold type Beidou satellite navigation terminal according to claim 2, it is characterized in that: described RF repeating circuit board is provided with at least two PCB encapsulation and at least two the 2nd PCB encapsulation, and each PCB encapsulation is corresponding one by one with each the 2nd PCB encapsulation respectively, and forms electrical connection; One end of described each contact pin connector is welded in respectively a PCB encapsulation, and one end of described each receptacle connector is welded in respectively the 2nd PCB encapsulation.
4. hand-hold type Beidou satellite navigation terminal according to claim 2, it is characterized in that: described interconnecting module also comprises a container cavity, described RF repeating circuit board, each contact pin connector and each receptacle connector are coated on respectively in this container cavity, and the chamber wall of this container cavity is provided with the resigning hole that supplies the other end of described each contact pin connector and the other end of described each receptacle connector to stretch out.
5. hand-hold type Beidou satellite navigation terminal according to claim 1, is characterized in that: also comprise radome, described antenna package is overlying in this radome.
6. hand-hold type Beidou satellite navigation terminal according to claim 3, is characterized in that: described contact pin connector and described receptacle connector have respectively three; Described RF repeating circuit board has three PCB encapsulation and three the 2nd PCB encapsulation.
7. hand-hold type Beidou satellite navigation terminal according to claim 1, it is characterized in that: described terminal body comprises upper cover plate assembly and lower cover assembly, upper cover plate assembly and lower cover assembly connect fixing up and down, and surround one for holding the inner chamber of described antenna, LNA power amplifier module and interconnecting module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420184692.5U CN203800348U (en) | 2014-04-16 | 2014-04-16 | Hand-held Beidou satellite navigation terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420184692.5U CN203800348U (en) | 2014-04-16 | 2014-04-16 | Hand-held Beidou satellite navigation terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203800348U true CN203800348U (en) | 2014-08-27 |
Family
ID=51382537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420184692.5U Expired - Lifetime CN203800348U (en) | 2014-04-16 | 2014-04-16 | Hand-held Beidou satellite navigation terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203800348U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785362A (en) * | 2016-12-02 | 2017-05-31 | 上海无线电设备研究所 | A kind of antenna and its application for array antenna monitoring |
| CN109708536A (en) * | 2018-12-06 | 2019-05-03 | 湖北航天飞行器研究所 | A kind of compact miniaturization integrated form STT missile device |
-
2014
- 2014-04-16 CN CN201420184692.5U patent/CN203800348U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785362A (en) * | 2016-12-02 | 2017-05-31 | 上海无线电设备研究所 | A kind of antenna and its application for array antenna monitoring |
| CN109708536A (en) * | 2018-12-06 | 2019-05-03 | 湖北航天飞行器研究所 | A kind of compact miniaturization integrated form STT missile device |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |