CN205484819U - Device for GPS signal transmission based on automobile power line - Google Patents
Device for GPS signal transmission based on automobile power line Download PDFInfo
- Publication number
- CN205484819U CN205484819U CN201620097051.5U CN201620097051U CN205484819U CN 205484819 U CN205484819 U CN 205484819U CN 201620097051 U CN201620097051 U CN 201620097051U CN 205484819 U CN205484819 U CN 205484819U
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- gps
- signal
- power line
- modulation
- gps signal
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- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Device based on car power cord carries out GPS signal transmission includes: the GPS active antenna is used for receiving GPS satellite signals, the GPS signal modulation transmitter is used for modulating the GPS signals and then coupling the GPS signals to a power line, and the GPS modulation signal demodulator is used for receiving the GPS modulation signals on the power line and then demodulating the GPS modulation signals into GPS signals; the GPS signal modulation emitter is respectively connected with the GPS active antenna and the power line, and the power line is also connected with the GPS modulation signal demodulator. The utility model discloses only need installation GPS active antenna, saved the resource and the cost is reduced.
Description
Technical field
This utility model belongs to gps signal transmission field, a kind of based on automobile power source
Line carries out the device of gps signal transmission.
Background technology
At present in-vehicle navigation apparatus is the most all dependent on what gps signal carried out positioning, thus wants
Ask and one gps antenna will be installed for connecing for gps receiver on each in-vehicle navigation apparatus
Receiving satellite signal.If being mounted with in a car that the navigation of many platform independent or location equipment will
The multiple gps antennas of corresponding installation, this results in the wasting of resources and add cost.
Utility model content
In order to solve the problems referred to above, this utility model provides one to be carried out based on automobile power line
The device of gps signal transmission, only need to install a GPS active antenna, save resource and fall
Low cost.
For achieving the above object, the technical solution of the utility model is, enters based on automobile power line
The device of row gps signal transmission, including: for receiving the active sky of GPS of gps satellite signal
Line, the gps signal modulation transmitter being modulated gps signal being then coupled on power line,
Receive GPS modulated signal on power line and be then demodulated to the GPS modulated signal demodulation of gps signal
Device；Described gps signal modulation transmitter is connected with GPS active antenna, power line respectively,
Described power line is also connected with GPS modulation signal modulator.
Further, described gps signal modulation transmitter, including: the signal that order is connected
Amplifying circuit, modulation circuit, signal amplification circuit and coupling circuit.
Further, described GPS modulation signal modulator, including: the coupling that order is connected
Circuit, signal filter circuit, signal amplification circuit and demodulator circuit.
Further, GPS active antenna is connected with gps signal modulation transmitter by feeder line.
Further, GPS modulation signal modulator leads on overcoupled circuits reception power line
GPS modulated signal.
This utility model is owing to using above technical scheme, it is possible to obtain following technique effect:
Only a GPS active antenna need to be installed, save resource and reduce cost, as long as being connected to
Power line just can receive GPS information, and it is convenient to share；And use the signal that this device receives
Effective.
Accompanying drawing explanation
This utility model has accompanying drawing 1 width:
Fig. 1 is structured flowchart of the present utility model.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described in further detail.Hereinafter implement
Example is only used for clearly illustrating the technical solution of the utility model, and can not limit with this
Protection domain of the present utility model.
Embodiment 1
The device of gps signal transmission is carried out based on automobile power line, including:
GPS active antenna: be used for receiving gps satellite signal；
Gps signal modulation transmitter: be used for the gps signal that will receive from GPS active antenna
It is modulated, then modulated signal is coupled on automobile power line；Described gps signal is modulated
Emitter includes: order be connected signal amplification circuit, modulation circuit, signal amplification circuit and
Coupling circuit.
GPS modulation signal modulator: logical overcoupled circuits receive the GPS modulation letter on power line
Number, then it is demodulated to gps signal；Described GPS modulation signal modulator, including: sequentially phase
Coupling circuit, signal filter circuit, signal amplification circuit and demodulator circuit even.
This utility model solves the technical problem that and is: only need to install a GPS active antenna, joint
Save resource and reduced cost；Solve the technological means mainly dependence that this technical problem uses
Annexation between each device and each device；Modulation /demodulation used in this application
Journey, signal processing are all the common knowledges of this area.
Of the present utility model ultimate principle, principal character and advantage have more than been shown and described.This
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, above-mentioned
Principle of the present utility model is simply described, without departing from this reality described in embodiment and description
On the premise of novel spirit and scope, this utility model also has various changes and modifications, this
In the range of a little changes and improvements both fall within claimed this utility model.This utility model requirement
Protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. carry out the device of gps signal transmission based on automobile power line, it is characterised in that including:
For receiving the GPS active antenna of gps satellite signal, gps signal being modulated then coupling
Close GPS modulated signal on the gps signal modulation transmitter on power line, reception power line right
After be demodulated to the GPS modulation signal modulator of gps signal；Described gps signal modulate emission
Device is connected with GPS active antenna, power line respectively, and described power line is also believed with GPS modulation
Number demodulator is connected.
The device carrying out gps signal transmission based on automobile power line the most according to claim 1,
It is characterized in that, described gps signal modulation transmitter, including: the signal that order is connected is put
Big circuit, modulation circuit, signal amplification circuit and coupling circuit.
The device carrying out gps signal transmission based on automobile power line the most according to claim 1,
It is characterized in that, described GPS modulation signal modulator, including: the coupling electricity that order is connected
Road, signal filter circuit, signal amplification circuit and demodulator circuit.
The device carrying out gps signal transmission based on automobile power line the most according to claim 1,
It is characterized in that, GPS active antenna is connected with gps signal modulation transmitter by feeder line.
The device carrying out gps signal transmission based on automobile power line the most according to claim 1,
It is characterized in that, GPS modulation signal modulator leads to overcoupled circuits and receives the GPS on power line
Modulated signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620097051.5U CN205484819U (en) | 2016-01-29 | 2016-01-29 | Device for GPS signal transmission based on automobile power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620097051.5U CN205484819U (en) | 2016-01-29 | 2016-01-29 | Device for GPS signal transmission based on automobile power line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484819U true CN205484819U (en) | 2016-08-17 |
Family
ID=56672958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620097051.5U Active CN205484819U (en) | 2016-01-29 | 2016-01-29 | Device for GPS signal transmission based on automobile power line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205484819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112653444A (en) * | 2020-12-18 | 2021-04-13 | 施镇乾 | Signal transmission circuit, power line and equipment |
-
2016
- 2016-01-29 CN CN201620097051.5U patent/CN205484819U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112653444A (en) * | 2020-12-18 | 2021-04-13 | 施镇乾 | Signal transmission circuit, power line and equipment |
| CN112653444B (en) * | 2020-12-18 | 2024-05-03 | 施镇乾 | Signal transmission circuit, power line and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |