CN203164419U - Global positioning system (GPS) device and navigation system - Google Patents
Global positioning system (GPS) device and navigation system Download PDFInfo
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- CN203164419U CN203164419U CN 201220728699 CN201220728699U CN203164419U CN 203164419 U CN203164419 U CN 203164419U CN 201220728699 CN201220728699 CN 201220728699 CN 201220728699 U CN201220728699 U CN 201220728699U CN 203164419 U CN203164419 U CN 203164419U
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- audio frequency
- power amplifier
- gps
- over switch
- control port
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Abstract
The utility model provides a global positioning system (GPS) device and a navigation system. The global positioning system (GPS) device and the navigation system respectively include the following components of: a GPS system provided with a first control port and a second control port; an audio frequency switching switch which is connected with the first control port of the GPS system, and switches audio frequency sources according to audio frequency switching signals outputted by the first control port, wherein the audio sources include GPS audio frequency or Bluetooth audio frequency; a power amplification drive circuit which is connected with the audio frequency switching switch, and performs power amplification on audio frequency signals outputted by the audio frequency switching switch; and two paths of power amplification switching switches which are connected with the second control port of the GPS system and the power amplification drive circuit, and switch power amplification signals of the GPS system or amplification signals of a CD system according to power amplification switching signals outputted by the second control port. The global positioning system (GPS) device provided by the utility model does not have limitations.
Description
Technical field
The utility model relates to the communications field, in particular, relates to a kind of global position system GPS equipment and navigational system.
Background technology
Generally all dispose CD system in the vehicle, but do not possess gps system.
Can increase gps system at the original C d system in the prior art, require CD system to have control interface and control protocol this moment, when CD system detects gps system and needs playing audio-fequency data, be the AUX pattern according to control protocol with current working mode change, gps system just can be sent to voice data in the CD system by control interface, CD system is being play, when if CD system does not possess control interface and control protocol, the existing C d system can only be looked into dismounting, gps system is installed then.
To sum up, under the situation of not removing CD system, gps system is installed needs CD system to possess control interface and control protocol in the prior art, GPS is installed have certain limitation, can not be widely used.
The utility model content
In view of this, the utility model provides a kind of global position system GPS equipment and navigational system, need CD system to possess control interface and control protocol to overcome in the prior art because case is adorned gps system, cause GPS to install and have certain circumscribed problem.
For achieving the above object, the utility model provides following technical scheme:
A kind of global position system GPS equipment comprises:
Be provided with the gps system of first control port and second control port;
Link to each other with first control port of described gps system, carry out the audio frequency change-over switch that switch in the audio frequency source according to the audio frequency switching signal of described first control port output, described audio frequency source comprises GPS audio frequency or Bluetooth audio frequency;
Link to each other the power amplifier driving circuit that the sound signal of described audio frequency change-over switch output is carried out power amplification with described audio frequency change-over switch;
Link to each other with second control port and the described power amplifier driving circuit of described gps system respectively, switch to the two-way power amplifier change-over switch of the power amplifier signal of the power amplifier signal of described gps system or CD system according to the power amplifier switching signal of described second control port output, described two-way power amplifier change-over switch links to each other with external loudspeaker and external described CD system respectively.
Wherein, described gps system also is provided with the multimedia audio output port:
Described gps system links to each other by described multimedia audio output port and described CD system, described gps system transfers to CD system with the multimedia audio signal that receives by the multimedia audio output port, so that described CD system is exported described multimedia audio signal by described two-way power amplifier change-over switch.
Wherein, described multimedia audio signal comprises DVD audio frequency, IPOD audio frequency or TV audio frequency.
A kind of navigational system comprises:
Be provided with the gps system of first control port and second control port;
Link to each other with first control port of described gps system, carry out the audio frequency change-over switch that switch in the audio frequency source according to the audio frequency switching signal of described first control port output, described audio frequency source comprises GPS audio frequency or Bluetooth audio frequency;
Link to each other the power amplifier driving circuit that the sound signal of described audio frequency change-over switch output is carried out power amplification with described audio frequency change-over switch;
Link to each other with second control port and the described power amplifier driving circuit of described gps system respectively, switch to the two-way power amplifier change-over switch of the power amplifier signal of the power amplifier signal of described gps system or CD system according to the power amplifier switching signal of described second control port output;
The loudspeaker that links to each other with described two-way power amplifier change-over switch;
The CD system that links to each other with described two-way power amplifier change-over switch.
Wherein, described gps system also is provided with the multimedia audio output port:
Described gps system links to each other by described multimedia audio output port and described CD system, when described gps system is judged current audio signals and is the multimedia audio signal, by described multimedia audio output port described multi-media signal is transferred to CD system, so that described CD system is exported described multimedia audio by described two-way power amplifier change-over switch.
Wherein, described multimedia audio comprises DVD audio frequency, IPOD audio frequency or TV audio frequency.
Via above-mentioned technical scheme as can be known, compared with prior art, a kind of GPS equipment that the utility model embodiment provides, gps system in this equipment is provided with first control port and second control port, gps system can be exported corresponding audio frequency switching signal by first control port according to the audio frequency source, audio frequency switching controls switch can carry out the switching in audio frequency source according to the audio frequency switching signal, corresponding audio frequency will be transferred to the power amplifier driving circuit by the audio frequency change-over switch after switching, because audio driven loudspeaker sounding need have certain power, after GPS detects the audio frequency source, can be by first control port output power amplifier switching signal, it is by the gps system output audio or by the CD system output audio that two-way power amplifier change-over switch can be selected according to the power amplifier switching signal, the utility model embodiment controls gps system output audio and the switching of CD system output audio by the power amplifier switching signal of second control port output, do not need CD system to possess control interface, do not need CD system to possess control protocol yet, the port that CD system links to each other with two-way power amplifier change-over switch can be existing power amplifier input port on the CD system, so when the gps system that original C d system increase present embodiment provides, CD system can have control interface and control protocol, also can not possess control interface and control protocol, do not have limitation so GPS installs, can be widely used.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
The structural representation of first kind of GPS equipment that Fig. 1 provides for the utility model embodiment;
The structural representation of second kind of GPS equipment that Fig. 2 provides for the utility model embodiment.
Embodiment
For quote and know for the purpose of, the hereinafter explanation of the technical term of Shi Yonging, write a Chinese character in simplified form or abridge and be summarized as follows:
GPS: GPS, Global Positioning System.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
See also accompanying drawing 1, the structural representation of the first kind of global position system GPS equipment that provides for the utility model embodiment, this GPS equipment comprises:
Audio frequency change-over switch 102 links to each other with first control port 1011 of gps system 101.
The audio frequency switching signal of first control port, 1011 outputs can be controlled audio frequency change-over switch 102 and carry out the switching of audio frequency source, and described audio frequency source comprises GPS audio frequency or Bluetooth audio frequency.Be that gps system 101 transfers to audio frequency change-over switch 102 by first control port 1011 with the audio frequency switching signal.
Power amplifier driving circuit 103 links to each other with audio frequency change-over switch 102.
Power amplifier driving circuit 103 carries out power amplification with the sound signal of audio frequency change-over switch 102 outputs, only carries out power amplification sound signal afterwards and just can drive the loudspeaker sounding.
Two-way power amplifier change-over switch 104 links to each other with second control port 1012 and the power amplifier driving circuit 103 of gps system respectively.
Gps system can be by second control port, 1012 output power amplifier switching signals, and two-way power amplifier change-over switch 104 can switch to the power amplifier signal of gps system or the power amplifier signal of CD system according to the power amplifier switching signal.
Two-way power amplifier change-over switch links to each other with external loudspeaker 301 and external described CD system 302 respectively.
A kind of GPS equipment that the utility model embodiment provides, gps system in this equipment is provided with first control port and second control port, gps system can be exported corresponding audio frequency switching signal by first control port according to the audio frequency source, audio frequency switching controls switch can carry out the switching in audio frequency source according to the audio frequency switching signal, corresponding audio frequency will be transferred to the power amplifier driving circuit by the audio frequency change-over switch after switching, because audio driven loudspeaker sounding need have certain power, after GPS detects the audio frequency source, can be by first control port output power amplifier switching signal, it is by the gps system output audio or by the CD system output audio that two-way power amplifier change-over switch can be selected according to the power amplifier switching signal, the utility model embodiment controls gps system output audio and the switching of CD system output audio by the power amplifier switching signal of second control port output, do not need CD system to possess control interface, do not need CD system to possess control protocol yet, the port that CD system links to each other with two-way power amplifier change-over switch can be existing power amplifier input port on the CD system, so when the gps system that original C d system increase present embodiment provides, CD system can have control interface and control protocol, also can not possess control interface and control protocol, do not have limitation so GPS installs, can be widely used.
Embodiment two
See also Fig. 2, the structural representation of second kind of global position system GPS equipment that the utility model embodiment provides, this GPS equipment comprises:
Audio frequency change-over switch 102 links to each other with first control port 1011 of gps system 101.
The audio frequency switching signal of first control port, 1011 outputs can be controlled audio frequency change-over switch 102 and carry out the switching of audio frequency source, and described audio frequency source comprises GPS audio frequency or Bluetooth audio frequency.
Power amplifier driving circuit 103 links to each other with audio frequency change-over switch 102.
Power amplifier driving circuit 103 carries out power amplification with the sound signal of audio frequency change-over switch 102 outputs, only carries out power amplification sound signal afterwards and just can drive the loudspeaker sounding.
Two-way power amplifier change-over switch 104 links to each other with second control port 1012 and the power amplifier driving circuit 103 of gps system respectively.
Gps system can be by second control port, 1012 output power amplifier switching signals, and two-way power amplifier change-over switch 104 can switch to the power amplifier signal of gps system or the power amplifier signal of CD system according to the power amplifier switching signal.
Two-way power amplifier change-over switch links to each other with external loudspeaker 301 and external described CD system 302 respectively.
When needs CD system DVD playing back audio frequency, IPOD audio frequency or TV audio frequency, need elder generation that the work at present pattern of CD system is converted to the AUX pattern, the multimedia audio signal in the gps system just can transfer to CD system by the multimedia audio output port at this moment.
The mode of operation of CD system can be switched by key control and the control of CD panel mode key by bearing circle.
The utility model embodiment not only has the beneficial effect of embodiment one, when gps system need send the multimedia audio signal, can send by CD system, because the power amplification system of CD system is better, the effect of the sound signal of sending is better, so can improve the tonequality of gps system sound signal.
Embodiment three
Be a kind of navigational system that the utility model embodiment provides, this navigational system comprises:
The annexation of gps system 101, audio frequency change-over switch 102, power amplifier driving circuit 103, two-way power amplifier change-over switch 104, loudspeaker 301 and CD system 302 with the effect all with embodiment one in identical.
Preferably, gps system also is provided with the multimedia audio output port, identical with described in the embodiment two of the function of this port and annexation.
Owing to may possess a plurality of loudspeakers in a car, the two-way power amplifier change-over switch 104 of the navigational system among the utility model embodiment can link to each other with a loudspeaker or a plurality of loudspeaker, if two-way power amplifier change-over switch 104 does not link to each other with all loudspeakers in the vehicle, if two-way power amplifier change-over switch 104 switched to gps system and played sound this moment, the loudspeaker that links to each other with two-way power amplifier change-over switch 104 is so play the sound signal of gps system, and other the loudspeaker sound signal of play CD system still.So just realized the audio mixing output of gps system and CD system.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a global position system GPS equipment is characterized in that, comprising:
Be provided with the gps system of first control port and second control port;
Link to each other with first control port of described gps system, carry out the audio frequency change-over switch that switch in the audio frequency source according to the audio frequency switching signal of described first control port output, described audio frequency source comprises GPS audio frequency or Bluetooth audio frequency;
Link to each other the power amplifier driving circuit that the sound signal of described audio frequency change-over switch output is carried out power amplification with described audio frequency change-over switch;
Link to each other with second control port and the described power amplifier driving circuit of described gps system respectively, switch to the two-way power amplifier change-over switch of the power amplifier signal of the power amplifier signal of described gps system or CD system according to the power amplifier switching signal of described second control port output, described two-way power amplifier change-over switch links to each other with external loudspeaker and external described CD system respectively.
2. according to the described GPS equipment of claim 1, it is characterized in that described gps system also is provided with the multimedia audio output port:
Described gps system links to each other by described multimedia audio output port and described CD system, described gps system transfers to CD system with the multimedia audio signal that receives by the multimedia audio output port, so that described CD system is exported described multimedia audio signal by described two-way power amplifier change-over switch.
3. according to the described GPS equipment of claim 2, it is characterized in that described multimedia audio signal comprises DVD audio frequency, IPOD audio frequency or TV audio frequency.
4. a navigational system is characterized in that, comprising:
Be provided with the gps system of first control port and second control port;
Link to each other with first control port of described gps system, carry out the audio frequency change-over switch that switch in the audio frequency source according to the audio frequency switching signal of described first control port output, described audio frequency source comprises GPS audio frequency or Bluetooth audio frequency;
Link to each other the power amplifier driving circuit that the sound signal of described audio frequency change-over switch output is carried out power amplification with described audio frequency change-over switch;
Link to each other with second control port and the described power amplifier driving circuit of described gps system respectively, switch to the two-way power amplifier change-over switch of the power amplifier signal of the power amplifier signal of described gps system or CD system according to the power amplifier switching signal of described second control port output;
The loudspeaker that links to each other with described two-way power amplifier change-over switch;
The CD system that links to each other with described two-way power amplifier change-over switch.
5. according to the described navigational system of claim 4, it is characterized in that described gps system also is provided with the multimedia audio output port:
Described gps system links to each other by described multimedia audio output port and described CD system, when described gps system is judged current audio signals and is the multimedia audio signal, by described multimedia audio output port described multi-media signal is transferred to CD system, so that described CD system is exported described multimedia audio by described two-way power amplifier change-over switch.
6. according to the described navigational system of claim 5, it is characterized in that described multimedia audio comprises DVD audio frequency, IPOD audio frequency or TV audio frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220728699 CN203164419U (en) | 2012-12-26 | 2012-12-26 | Global positioning system (GPS) device and navigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220728699 CN203164419U (en) | 2012-12-26 | 2012-12-26 | Global positioning system (GPS) device and navigation system |
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| Publication Number | Publication Date |
|---|---|
| CN203164419U true CN203164419U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220728699 Expired - Lifetime CN203164419U (en) | 2012-12-26 | 2012-12-26 | Global positioning system (GPS) device and navigation system |
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| CN (1) | CN203164419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064088A (en) * | 2012-12-26 | 2013-04-24 | 深圳市诺威达科技有限公司 | Global position system (GPS) device and guided system |
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2012
- 2012-12-26 CN CN 201220728699 patent/CN203164419U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064088A (en) * | 2012-12-26 | 2013-04-24 | 深圳市诺威达科技有限公司 | Global position system (GPS) device and guided system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |