CN202421501U - Handheld geographic information system (GIS) receiver - Google Patents
Handheld geographic information system (GIS) receiver Download PDFInfo
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- CN202421501U CN202421501U CN2011205625059U CN201120562505U CN202421501U CN 202421501 U CN202421501 U CN 202421501U CN 2011205625059 U CN2011205625059 U CN 2011205625059U CN 201120562505 U CN201120562505 U CN 201120562505U CN 202421501 U CN202421501 U CN 202421501U
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Abstract
The utility model discloses a handheld geographic information system (GIS) receiver, which comprises a global positioning system (GPS) receiving module for acquiring global navigation satellite system (GNSS) information and generating geographic information according to the acquired GNSS information, a central processing module which is connected with the GPS receiving module by a serial port and is used for acquiring the geographic information and processing and storing the geographic information and a communication module which is connected with the central processing module and external equipment, wherein a single-frequency point positioning unit and a static backward difference unit which are used for acquiring the geographic information are arranged in the GPS receiving module. By the handheld GIS receiver, the geographic information can be acquired and transmitted at high accuracy, so the handheld GIS receiver is convenient to use and high in practicality.
Description
Technical field
The utility model relates to digital GIS-Geographic Information System and GPS field, especially relates to a kind of hand-held GIS receiver.
Background technology
Gps system is through nearly ten years development and application; The notion of GPS is more and more paid close attention to by people; In China, the development of GPS is also more and more universal with application, particularly since 2007; Along with the fast development of information science subjects such as digital GIS-Geographic Information System GIS, electronic chart, in the practice of the project of various digital GIS-Geographic Information System, utilize application that the GPS GPS carries out the GIS data acquisition also more and more widely.
Existing GIS receiver can only connect mobile phone or other equipment land GPRS network through bluetooth or dedicated data line; But under the situation of no external mobile phone or other equipment, can't carry out real-time high-precision difference location; Therefore use extremely inconvenient; And the precision of existing GIS receiver data acquisition is low, the serious demand that can not satisfy society.
The utility model content
The utility model technical matters to be solved is, a kind of simple in structure, practical and hand-held GIS receiver that degree of accuracy is high is provided.
In order to solve the problems of the technologies described above, the utility model provides a kind of hand-held GIS receiver, comprises the GPS receiver module that is used to obtain GNSS information and generates geography information according to said GNSS information; Be connected through serial port with said GPS receiver module, be used to the central processing module that obtains said geography information and said geography information is handled and stored; Be connected with said central processing module, be used for the communication module that is connected with external equipment; Be provided with the single-frequency single-point positioning unit and the static back difference unit that are used to obtain said geography information in the said GPS receiver module.
As the improvement of such scheme, said central processing module comprises: the data processor that is used for generating according to said geography information notice information; Be connected with said data processing unit, be used to store the storage unit of said notice information.
As the improvement of such scheme, said communication module comprises: be connected with external equipment, be used to obtain the communication unit of communication information; Be connected with said communication unit, be used to receive or transmit the linkage unit of said communication information and notice information.
As the improvement of such scheme, also be provided with the difference unit and the real time differential unit that are used for accurately obtaining geography information in the said GPS receiver module.
As the improvement of such scheme, said static back difference unit comprises: the collecting unit that is used to obtain GNSS information; Be connected with said collecting unit, be used for generating the converting unit of static data information according to said GNSS information; Be connected with said converting unit, be used to store the static data storage unit of said static data information; Be connected with said static data storage unit, be used for generating the unit that resolves of geography information according to said static data information.
As the improvement of such scheme, said communication unit comprises: be used for the GPRS communication unit that is connected by communication and connects through GPRS with external equipment; Be used for the radio communication unit that is connected through WLAN communication with external equipment; Be used for the bluetooth unit that is connected through bluetooth communication with external equipment; Be used for the USB unit that is connected through USB interface with external equipment.
As the improvement of such scheme, be provided with gps antenna in the said GPS receiver module; Be provided with ceramic receiving antenna in the said communication module.
As the improvement of such scheme, said linkage unit receives or transmits said communication information and notice information through serial port and serial data interface.
Owing to be provided with communication module in the utility model; The GPRS communication unit is arranged in the said communication module; Can land GPRS network through the GPRS communication unit and obtain differential data; In conjunction with received gps satellite signal position resolve after, can greatly must improve the bearing accuracy of GIS data acquisition.Be provided with single-frequency single-point positioning unit and static back difference unit in the GPS receiver module, can improve the precision of hand-held GIS receiver greatly.In addition, be provided with gps antenna in the GPS receiver module, be provided with ceramic antenna in the wireless communication module, thereby can better receive extraneous information.Also be provided with radio communication unit, bluetooth unit and USB unit in the said communication module, can make things convenient for user's multiple choices.
In a word, hand-held GIS receiver has good practicality, pinpoint accuracy, easy to operate.
Description of drawings
Fig. 1 is the structural representation of a kind of hand-held GIS receiver of the utility model;
Fig. 2 is the structural representation of central processing module 1 in a kind of hand-held GIS receiver of the utility model;
Fig. 3 is the structural representation of communication module 3 in a kind of hand-held GIS receiver of the utility model;
Fig. 4 is the structural representation of GPS receiver module 2 in a kind of hand-held GIS receiver of the utility model;
Fig. 5 is the structural representation of static back difference unit 22 in a kind of hand-held GIS receiver of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model is done further to describe in detail below.
Fig. 1 is the structural representation of a kind of hand-held GIS receiver of the utility model.
As shown in Figure 1, said hand-held GIS receiver comprises:
Be used to obtain GNSS information and generate the GPS receiver module 2 of geography information according to said GNSS information.
Be connected through serial port with said GPS receiver module 2, be used to the central processing module 1 that obtains said geography information and said geography information is handled and stored.
Be connected with said central processing module 1, be used for the communication module 3 that is connected with external equipment.
Be provided with the single-frequency single-point positioning unit 21 and the static back difference unit 22 that are used to obtain said geography information in the said GPS receiver module.
Need to prove; Said GPS receiver module 2 can be real-time the GNSS information of obtaining; And according to said GNSS information generation geography information; Said GPS receiver module 2 and central processing module 1 are connected through serial port, can said geography information be forwarded to central processing module 1 through serial port, and said central processing module 1 can carry out conversion processing and storage to geography information; Said communication module 3 is connected with central processing module 1, and the communication module 3 that is used for being connected with external equipment can be transmitted to the communication information of external equipment central processing module 1.
Fig. 2 is the structural representation of central processing module 1 in a kind of hand-held GIS receiver of the utility model.
As shown in Figure 2, said central processing module 1 comprises:
Be used for generating the data processor 11 of notice information according to said geography information.
Be connected with said data processing unit 11, be used to store the storage unit 12 of said notice information.
Need to prove; Said central processing module 1 also comprises keyboard, photographing module, audio-frequency module and tangible formula LCD; Data processing unit 11 can be with generating notice information according to said geography information; Notice information shows geography information through tangible formula LCD for the user, and said notice information is stored to storage unit 12.In addition; Photographing module can obtain geography information through shooting, and is convenient feasible, and keyboard can user-friendly said hand-held GIS receiver; Audio-frequency module can make the user send operational order through sound to said hand-held GIS receiver, thereby can satisfy user's different demands.
Fig. 3 is the structural representation of communication module in a kind of hand-held GIS receiver of the utility model.
As shown in Figure 3, said communication module 3 comprises:
Be connected with external equipment, be used to obtain the communication unit 32 of communication information.
Be connected with said communication unit, be used to receive or transmit the linkage unit 31 of said communication information and notice information.
Need to prove; Communication unit 32 carries out the exchange of information through wire communication or radio communication and external equipment; Linkage unit 31 is connected with communication unit 32; Said communication unit 32 can obtain communication information from external equipment through the mode of wired or wireless telecommunications, and said communication unit 32 can be forwarded to data processing unit 11 with said communication information through said linkage unit 31; Said data processing unit 11 can be forwarded to communication unit 32 with said notice information through said linkage unit 31; Said communication unit 32 can be forwarded to external equipment with said notice information, thereby accomplishes the information communication of external equipment and said hand-held GIS receiver.
Fig. 4 is the structural representation of GPS receiver module 2 in a kind of hand-held GIS receiver of the utility model.
As shown in Figure 4, also be provided with the difference unit 23 and the real time differential unit 24 that are used for accurately obtaining geography information in the said GPS receiver module 2.
Need to prove; The provincialism GPS wide area differential GPS enhanced system that said difference unit 23 utilizes geostationary orbit satellite to set up is carried out data processing and is resolved and generate geography information said GNSS information, and said geography information is sent to data processing unit 11 through serial port.Said communication unit 32 can obtain differential data through external equipment; And said differential data is forwarded to data processing unit 11 through said linkage unit 31; Said real time differential unit 24 can receive differential datas and the GNSS information that combines self to receive is carried out difference processing from data processing unit 11 through serial port, thereby obtains high-precision geography information.
Fig. 5 is the structural representation of static back difference unit 22 in a kind of hand-held GIS receiver of the utility model.
As shown in Figure 5, said static back difference unit comprises:
Be used to obtain the collecting unit 211 of GNSS information.
Be connected with said collecting unit 211, be used for generating the converting unit 222 of static data information according to said GNSS information.
Be connected with said converting unit 222, be used to store the static data storage unit 223 of said static data information.
Be connected with static data storage unit 223, be used for resolving unit 224 according to what said static data information generated geography information.
Need to prove; Said collecting unit 221 can be real-time collection GNSS information; Said converting unit 222 generates static data information and said static data information stores is arrived 223 li of static data storage unit according to said GNSS information, and field work is got back to the indoor data processing of carrying out after accomplishing; Is static data information high-precision coordinate points position through software processes; According to the time of collection point, use the coordinate of the high-precision dot bit data corrigendum collection point of handling, make that the some position of collection point is very accurate.
As shown in Figure 6, said communication unit 32 comprises:
Be used for the GPRS communication unit 321 that is connected by communication and connects through GPRS with external equipment.
Be used for the radio communication unit 322 that is connected through WLAN communication with external equipment.
Be used for the bluetooth unit 323 that is connected through bluetooth communication with external equipment.
Be used for the USB unit 324 that is connected through USB interface with external equipment.
More preferably, said linkage unit 31 receives or transmits said communication information and notice information through serial port and serial data interface.
Need to prove; Can land GPRS network through said GPRS communication unit 321 and obtain communication information; When obtaining geography information through obtaining real time differential unit 24; Said GPRS communication unit 321 can obtain differential data through GPRS network, and said differential data information is forwarded to data processing unit 11 through linkage unit 31.Said wireless communication unit 322 can obtain communication information through landing wireless local area, and bluetooth unit 323 can directly obtain communication information with the external equipment with Bluetooth function through bluetooth communication.USB unit 324 can directly connect through data line and external equipment, thereby can be connected with external equipment in several ways, thereby satisfies client's multiple demand.
More preferably, be provided with gps antenna in the said GPS receiver module 2; Be provided with ceramic receiving antenna in the said communication module.
Need to prove; Gps antenna and ceramic receiving antenna are through module-integrated design; Avoided gps antenna receiving GNSS information and ceramic receiving antenna when receiving communication information; The mutual interference mutually of signal between GNSS information and the communication information, thus the difficult problems such as signal impedance coupling of GNSS signal under no feeder line transmission mounting means solved.
Said hand-held GIS receiver is provided with GPS receiver module 2; Be used to receive GNSS information; And according to GNSS information generation geography information; Said GPS receiver module comprises single-frequency single-point positioning unit 21, static back difference unit 22, difference unit 23 and real time differential unit 24; The step that said static back difference unit 24 obtains geography information comprises the GNSS information of obtaining, generates static data information according to said GNSS information, and said static data confidence is stored and said static data information is resolved processing and obtained geography information, and said static back difference unit 22 needs the process of an indoor data processing; After operation is in the open air accomplished; Get back to and indoorly in static data storage unit 223, obtain static data information, and said static data information resolved handle and generate geography information, can obtain point-device geography information through said static back difference unit 22 according to said static data information; Said GPS receiver module 2 is forwarded to central processing module 1 through serial port with said geography information; Said central processing module 1 can carry out data processing and storage to said geography information, and said geography information is forwarded to communication module 3, and said communication module 3 is connected with external equipment through GPRS communication, WLAN communication, bluetooth communication and USB interface.Thereby said communication module 3 can obtain the communication information of external equipment or said geography information is forwarded to external equipment.In addition, said communication module 3 can be forwarded to central processing module 1 with said communication information; Said central processing module 1 can be forwarded to GPS receiver module 2 with said communication information.
The above is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also are regarded as the protection domain of the utility model.
Claims (8)
1. a hand-held GIS receiver is characterized in that, said hand-held GIS receiver comprises:
Be used to obtain GNSS information and generate the GPS receiver module of geography information according to said GNSS information;
Be connected through serial port with said GPS receiver module, be used to the central processing module that obtains said geography information and said geography information is handled and stored;
Be connected with said central processing module, be used for the communication module that is connected with external equipment;
Be provided with the single-frequency single-point positioning unit and the static back difference unit that are used to obtain said geography information in the said GPS receiver module.
2. hand-held GIS receiver as claimed in claim 1 is characterized in that said central processing module comprises:
Be used for generating the data processor of notice information according to said geography information;
Be connected with said data processing unit, be used to store the storage unit of said notice information.
3. hand-held GIS receiver as claimed in claim 1 is characterized in that said communication module comprises:
Be connected with external equipment, be used to obtain the communication unit of communication information;
Be connected with said communication unit, be used to receive or transmit the linkage unit of said communication information and notice information.
4. hand-held GIS receiver as claimed in claim 1 is characterized in that, also is provided with the difference unit and the real time differential unit that are used for accurately obtaining geography information in the said GPS receiver module.
5. hand-held GIS receiver as claimed in claim 1 is characterized in that, said static back difference unit comprises:
Be used to obtain the collecting unit of GNSS information;
Be connected with said collecting unit, be used for generating the converting unit of static data information according to said GNSS information;
Be connected with said converting unit, be used to store the static data storage unit of said static data information;
Be connected with said static data storage unit, be used for generating the unit that resolves of geography information according to said static data information.
6. hand-held GIS receiver as claimed in claim 2 is characterized in that said communication unit comprises:
Be used for the GPRS communication unit that is connected by communication and connects through GPRS with external equipment;
Be used for the radio communication unit that is connected through WLAN communication with external equipment;
Be used for the bluetooth unit that is connected through bluetooth communication with external equipment;
Be used for the USB unit that is connected through USB interface with external equipment.
7. hand-held GIS receiver as claimed in claim 1 is characterized in that,
Be provided with gps antenna in the said GPS receiver module;
Be provided with ceramic receiving antenna in the said communication module.
8. hand-held GIS receiver as claimed in claim 2 is characterized in that, said linkage unit receives or transmit said communication information and notice information through serial port and serial data interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205625059U CN202421501U (en) | 2011-12-29 | 2011-12-29 | Handheld geographic information system (GIS) receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205625059U CN202421501U (en) | 2011-12-29 | 2011-12-29 | Handheld geographic information system (GIS) receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202421501U true CN202421501U (en) | 2012-09-05 |
Family
ID=46746251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205625059U Expired - Fee Related CN202421501U (en) | 2011-12-29 | 2011-12-29 | Handheld geographic information system (GIS) receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202421501U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974436A (en) * | 2016-06-15 | 2016-09-28 | 华南农业大学 | Handheld high-precision GNSS positioning acquisition unit and acquisition method thereof |
| CN107289909A (en) * | 2016-04-13 | 2017-10-24 | 北京四维益友信息技术有限公司 | A kind of geographical information collection device |
| CN111123319A (en) * | 2019-12-31 | 2020-05-08 | 泰斗微电子科技有限公司 | Satellite positioning device, satellite signal receiver and terminal equipment |
-
2011
- 2011-12-29 CN CN2011205625059U patent/CN202421501U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289909A (en) * | 2016-04-13 | 2017-10-24 | 北京四维益友信息技术有限公司 | A kind of geographical information collection device |
| CN105974436A (en) * | 2016-06-15 | 2016-09-28 | 华南农业大学 | Handheld high-precision GNSS positioning acquisition unit and acquisition method thereof |
| CN111123319A (en) * | 2019-12-31 | 2020-05-08 | 泰斗微电子科技有限公司 | Satellite positioning device, satellite signal receiver and terminal equipment |
| CN111123319B (en) * | 2019-12-31 | 2022-04-22 | 泰斗微电子科技有限公司 | Satellite positioning device, satellite signal receiver and terminal equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20171229 |