CN204154897U - A kind of gps system - Google Patents
A kind of gps system Download PDFInfo
- Publication number
- CN204154897U CN204154897U CN201420518398.3U CN201420518398U CN204154897U CN 204154897 U CN204154897 U CN 204154897U CN 201420518398 U CN201420518398 U CN 201420518398U CN 204154897 U CN204154897 U CN 204154897U
- Authority
- CN
- China
- Prior art keywords
- module
- gps
- comparer
- control module
- triode
- 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 - Fee Related
Links
Landscapes
- Navigation (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The utility model relates to a kind of gps system, and comprise some GPS locating devices, GPS locating device comprises: GPS module, the control module be connected with GPS module by a conditioning module, and control module is connected with GPRS communication module; Channel selection unit comprises: comparer, the end of oppisite phase of comparer accesses a reference voltage, the output terminal of this comparer is connected with the base stage of NPN triode, PNP triode respectively, the collector of NPN triode, the emitter of PNP triode are connected with power end respectively, and the emitter of NPN triode, the collector of PNP triode are connected with the feeder ear of first passage unit, second channel unit respectively; The in-phase end of comparer is also connected with the input end of first, second channel unit respectively; First passage unit comprises: for carrying out the bleeder circuit of step-down to input signal, the output terminal of bleeder circuit is connected with the input end of the first voltage follower.
Description
Technical field
The utility model relates to a kind of gps system, and specifically GPS locates and electronic map match system immediately.
Background technology
At present, Satellite Navigation Technique is widely used in navigating instrument, for numerous drivers provide best traffic route.But the renewal speed of the map data adopted due to traffic route does not catch up with the speed that these route road conditions change in real time far away, so-called best traffic route is therefore usually caused to be not the situation of real best traffic route.
Utility model content
The purpose of this utility model is to provide a kind of gps system, and native system is that GPS locates and electronic map match system immediately, and it is nursed one's health the signal that GPS module exports, so that control module receives.
In order to solve the problems of the technologies described above, the utility model provides a kind of gps system, comprise: some GPS locating devices, described GPS locating device comprises: GPS module, by the control module that a conditioning module is connected with this GPS module, this control module is also connected with GPRS communication module with user's load module, storage unit; GPS module, sends to control module by on-site for the target collected latitude and longitude coordinates; User's load module, is suitable for the transport information that user inputs road; Storage unit, storing electronic map; Control module, is suitable for the described latitude and longitude coordinates received to do with electronic chart to mate, and obtains the real-time road of corresponding road according to described transport information; GPRS communication module, receives real-time road condition information from other GPS locating devices or sends real-time road condition information to other GPS locating devices; Further, in order to solve the technical matters nursed one's health the various voltage ranges of GPS module output; Described conditioning module comprises: first, second channel unit, channel selection unit, described channel selection unit comprises: comparer, the in-phase end of this comparer is as the input end of conditioning unit, end of oppisite phase accesses a reference voltage, the output terminal of this comparer is connected with the base stage of NPN triode, PNP triode respectively, the described collector of NPN triode, the emitter of PNP triode are connected with power end respectively, and the emitter of described NPN triode, the collector of PNP triode are connected with the feeder ear of first passage unit, second channel unit respectively; The in-phase end of described comparer is also connected with the input end of first, second channel unit respectively, and first passage unit comprises: for carrying out the bleeder circuit of step-down to input signal, the output terminal of bleeder circuit is connected with the input end of the first voltage follower; Second channel unit comprises: the second voltage follower, and the output terminal of first, second voltage follower described is connected as the signal output part of conditioning unit.Described bleeder circuit is consisted of two resistant series;
Preferably, described comparer and first, second voltage follower adopt the first integrated operational amplifier, the second integrated operational amplifier, the 3rd integrated operational amplifier respectively.
Described control module is also connected with a LCD MODULE, and this LCD MODULE is suitable for showing described real-time road.In order to solve the technical matters that phonetic entry controls, described control module is also connected with dio Output Modules with audio decoder module, and described audio decoder module is connected with a microphone, and described dio Output Modules is connected with a loudspeaker.
Described control module is also connected with TF card card reading module with USB interface, SD card.
Technique scheme of the present utility model has the following advantages compared to existing technology: the utility model not only can provide cartographic information, the traffic information in other these sections of user can also be reminded according to the current road conditions of user, namely GPS is achieved, accomplish that user's road information is shared, had more real-time than traditional static map; Improve the adaptive faculty of control module to the collection of GPS module output signal by conditioning module, effectively solve the conditioning to multiple voltage scope.
Accompanying drawing explanation
Fig. 1 is the theory diagram one of gps system;
Fig. 2 is the theory diagram two of described gps system;
Fig. 3 is the circuit diagram of conditioning module of the present utility model;
Fig. 4 is the circuit diagram of first, second channel unit of the present utility model.
Embodiment
As shown in Figure 1, a kind of gps system, comprise: some GPS locating devices, described GPS locating device comprises: GPS module, the control module that this GPS module is connected with this GPS module by a conditioning module is connected, and this control module is also connected with GPRS communication module with user's load module, storage unit; GPS module, sends to control module by on-site for the target collected latitude and longitude coordinates; User's load module, is suitable for the transport information that user inputs road; Storage unit, storing electronic map; Control module, is suitable for the described latitude and longitude coordinates received to do with electronic chart to mate, and obtains the real-time road of corresponding road according to described transport information; GPRS communication module, receives real-time road condition information from other GPS locating devices or sends real-time road condition information to other GPS locating devices.
User's load module adopts input through keyboard or phonetic entry mode to realize, and namely keyboard is connected with described control module, according to phonetic entry, then see following examples.Control module adopts embedded chip, such as SPCA3052 chip, S3C2410 chip.Wherein, described control module is suitable for the described latitude and longitude coordinates received to do with electronic chart to mate, and the technical scheme of the real-time road of corresponding road is obtained according to described transport information, author: Ma Liang, this technical scheme is described in detail in Master's thesis disclosed in 2008 " in vehicle positioning system the making of electronic chart and map match ".
When user finds that present road gets congestion, namely issued the real-time road of corresponding road by GPS locating device, other users can receive this real-time road, to obtain in real time, traffic information accurately.
As shown in Figure 2, described control module is also connected with a LCD MODULE the further embodiment of described gps system, and this LCD MODULE is suitable for showing described real-time road.
Described control module is also connected with dio Output Modules with audio decoder module, and described audio decoder module is connected with a microphone, and described dio Output Modules is connected with a loudspeaker.Concrete, gathered the voice command of user by microphone, and carry out signal extraction through audio decoder module, realize command adapted thereto to realize control module.Dio Output Modules is suitable for real-time broadcasting traffic information, to remind user's real-time road.Described control module is also connected with TF card card reading module with USB interface, SD card; Achieve data transmission by above-mentioned module, and map can be read by corresponding SD card and TF card.
Described channel selection unit comprises: comparer U1A, the in-phase end of this comparer U1A is as the input end of conditioning unit, end of oppisite phase accesses a reference voltage, the output terminal of this comparer is connected with the base stage of NPN triode T1, PNP triode T2 respectively, the described collector of NPN triode T1, the emitter of PNP triode T2 are connected with power end respectively, and the emitter of described NPN triode T1, the collector of PNP triode T2 are connected with the feeder ear of first passage unit, second channel unit respectively; The in-phase end of described comparer U1A is also connected with the input end of first, second channel unit respectively, and first passage unit comprises: for carrying out the bleeder circuit of step-down to input signal, the output terminal of bleeder circuit is connected with the input end of the first voltage follower; Second channel unit comprises: the second voltage follower, and the output terminal of first, second voltage follower described is connected as the signal output part of conditioning unit.
Wherein, described bleeder circuit is in series by resistance R2 and resistance R3, one end access input signal ui of resistance R2, the other end of resistance R2 is connected with one end of resistance R3, and as the output terminal of described bleeder circuit, and resistance R2 or resistance R3 can adopt adjustable potentiometer (multiturn potentiometer) to regulate its output voltage.Described comparer and first, second voltage follower adopt the first integrated operational amplifier U1A, the second integrated operational amplifier U1B, the 3rd integrated operational amplifier U1C respectively.
The principle of work of conditioning module of the present utility model is, compared by reference voltage and input voltage, such as reference voltage adopts 5V, namely, input voltage range is greater than 5V, then by first passage unit, voltage is reduced, adjust within 5V scope by bleeder circuit, access control system after the first voltage follower, if input voltage range is less than 5V, then directly carry out control system by the first voltage follower in second channel, therefore, the utility model all can be able to be nursed one's health the input signal being greater than or less than reference voltage, improve the versatility of modulate circuit.Because the process of divider resistance to signal is linear, therefore, signal transacting can not distortion.
Claims (1)
1. a gps system, is characterized in that, comprising: some GPS locating devices, and described GPS locating device comprises: GPS module, the control module be connected with this GPS module by a conditioning module, and this control module is also connected with GPRS communication module;
Described conditioning module comprises: first, second channel unit, channel selection unit;
Described channel selection unit comprises: comparer, the in-phase end of this comparer is as the input end of conditioning unit, end of oppisite phase accesses a reference voltage, the output terminal of this comparer is connected with the base stage of NPN triode, PNP triode respectively, the described collector of NPN triode, the emitter of PNP triode are connected with power end respectively, and the emitter of described NPN triode, the collector of PNP triode are connected with the feeder ear of first passage unit, second channel unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420518398.3U CN204154897U (en) | 2014-09-10 | 2014-09-10 | A kind of gps system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420518398.3U CN204154897U (en) | 2014-09-10 | 2014-09-10 | A kind of gps system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420797530.9U Division CN204347251U (en) | 2014-09-10 | 2014-09-10 | Gps system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204154897U true CN204154897U (en) | 2015-02-11 |
Family
ID=52512998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420518398.3U Expired - Fee Related CN204154897U (en) | 2014-09-10 | 2014-09-10 | A kind of gps system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204154897U (en) |
-
2014
- 2014-09-10 CN CN201420518398.3U patent/CN204154897U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104501803A (en) | Portable intelligent device geological navigation and geological mapping method based on Andriod | |
| CN103390377A (en) | Tourist attraction navigation broadcasting system based on prestored map data | |
| CN203722704U (en) | Intelligentized monitoring camera capable of discriminating geographic positions and monitoring directions | |
| CN201837397U (en) | Intelligent navigation system based on Bluetooth technology | |
| CN204166375U (en) | The multi-modal Process Control System of the large data-driven of industry | |
| CN204255375U (en) | A kind of blue tooth vehicular navigational system | |
| CN204154897U (en) | A kind of gps system | |
| CN204347251U (en) | Gps system | |
| CN204255376U (en) | A kind of Split-type vehicle-carrying navigational system | |
| CN203909516U (en) | Ship navigation channel management system | |
| CN105758407A (en) | Data generation method and data generation device | |
| CN204128563U (en) | GPS locates and electronic map match system immediately | |
| CN203310998U (en) | Indoor positioning device | |
| CN103674035A (en) | Navigation device for searching point of interest in any region and control method thereof | |
| CN204557103U (en) | Multiple analog quantity sensor data acquisition system (DAS) | |
| CN204269125U (en) | A kind of vehicle-mounted voice navigational system based on Bluetooth technology | |
| CN103093039A (en) | Engineering application method of collecting traffic road data from electronic map | |
| CN204255374U (en) | Be suitable for the onboard navigation system of road conditions real-time update | |
| CN201476794U (en) | Blind people communication navigation device | |
| CN204255379U (en) | A kind of can the onboard navigation system of speech recognition | |
| CN211698216U (en) | Underground water monitoring well positioning navigation system | |
| CN204255377U (en) | The dual-purpose C-Pad navigational system of hand-held, car machine | |
| Li et al. | Design of dynamic vehicle navigation terminal based on GPS/GPRS | |
| CN104516911A (en) | News information searching and acquisition system | |
| CN202794527U (en) | Multifunctional GPS vehicle-mounted terminal |
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 |
Granted publication date: 20150211 Termination date: 20150910 |
|
| EXPY | Termination of patent right or utility model |