CN207164551U - Big Dipper intelligent terminal with long-range oil-break power break function - Google Patents
Big Dipper intelligent terminal with long-range oil-break power break function Download PDFInfo
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- CN207164551U CN207164551U CN201721225522.7U CN201721225522U CN207164551U CN 207164551 U CN207164551 U CN 207164551U CN 201721225522 U CN201721225522 U CN 201721225522U CN 207164551 U CN207164551 U CN 207164551U
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Abstract
The utility model discloses the Big Dipper intelligent terminal with long-range oil-break power break function, it is characterised in that：Including main computer unit, positioning unit, optical coupling isolation circuit, power control line, wireless communication unit, positioning unit includes GPS device and big-dipper satellite device, GPS device and big-dipper satellite device also include relay, relay input is connected with arm processor control, and relay output end is connected with automobile power source control line.The beneficial effects of the utility model are：The long-range oil-break power break of automobile is realized by the combination of each several part hardware circuit；Positioning unit collection vehicle positional information, ensure that positional information is more accurate using dual system positioner；Optical coupling isolation circuit is set, reduces the interference caused by the connection of electricity between two parts circuit, there is the characteristics of strong antijamming capability, working stability；Multiple radio communication devices can avoid communication blind district, make the information of transmission have real-time.
Description
Technical field
It the utility model is related to car-mounted terminal, more particularly to the Big Dipper intelligent terminal with long-range oil-break power break function.
Background technology
With science and technology and the continuous development of traffic technique, increasing vehicle is fitted with car-mounted terminal, existing
Car-mounted terminal has navigation feature in technology, but with the continuous development and progress of the communication technology, people are to car-mounted terminal
It is required that improve constantly, most important the problems such as being exactly traffic safety, it can realize and remotely oil-break power break function and whether can
Automobile information is transmitted to the emphasis for being all automotive field and communications field research in real time.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides the Big Dipper intelligence with long-range oil-break power break function eventually
End, hardware circuit is simple, and integration is strong, can realize long-range oil-break by Control automobile fuel pump system and automobile power line
Power down function, realize the real-time Transmission of automobilism information.
Technical scheme is the Big Dipper for having long-range oil-break power break function used by the utility model solves its technical problem
Intelligent terminal, including main computer unit, positioning unit, optical coupling isolation circuit, relay, wireless communication unit；
The main computer unit is connected including arm processor, winding displacement interface, flash, flash with arm processor serial ports；
The positioning unit includes GPS device and big-dipper satellite device, the data-out port of the GPS device and
The data-out port of big-dipper satellite device is connected with the serial communication interface of wireless communication unit；
The signal input part of the optical coupling isolation circuit and the output end serial ports of arm processor connect, optical coupling isolation circuit
Signal output part be connected with Control end；
The wireless communication unit includes TD-SCDMA communicators, gsm communication device and GPRS communicators, described
Data output of the data input pin of TD-SCDMA communicators, gsm communication device and GPRS communicators with positioning unit
End is connected, and TD-SCDMA communicators, the data output end of gsm communication device and GPRS communicators and main computer unit serial ports connect
Connect.
Further, the optical coupling isolation circuit includes optocoupler pipe, and the optocoupler pipe input connects with ARM output ends serial ports
Connect, the output end of optocoupler pipe connects amplification NPN transistor base by base resistance, and the output end of optocoupler pipe also passes through current limliting electricity
Resistance connection power supply, the amplification NPN triode grounded emitter, colelctor electrode connect power supply by collector resistance, amplify NPN tri-
The signal output part of pole pipe current collection extremely optical coupling isolation circuit, signal output part are connected with Control end.
Further, in addition to sensor interface unit, sensor interface unit include：Temperature sensor, displacement sensing
Device, velocity sensor, pressure sensor, alcohol sensor and multiple ADC, the temperature sensor, displacement transducer, speed pass
Sensor, pressure sensor, the data output end of alcohol sensor are connected with ADC data input pin respectively, adc data output end
It is connected by winding displacement interface with arm processor serial ports.
Further, in addition to display, the display are connected with main computer unit serial ports.
Further, big-dipper satellite positioner and GPS positioning device also include data link, the data link bag
The mixing and filtering section of two series connection is included, the mixing and filtering section includes a frequency mixer, a bandpass filter, the frequency mixer
Output end and the input of bandpass filter connect, the output end of the input of frequency mixer and bandpass filter is filtered as mixing
The input and output end of wave band, the output end of mixing and filtering section connect a power splitter, an output end of the power splitter
Connect next section of mixed frequency band, another output end of power splitter connects the first a/d converter input, the first a/d converter it is defeated
Go out end to be connected with the serial communication interface of arm processor, one of the power splitter being connected with second mixing and filtering section output end
Output end is connected with the second a/d converter input, and the data input pin of another output end of power splitter and low-noise amplifier connects
Connect, power splitter input is connected with the output end of second mixing and filtering section, the output end and arm processor of the second a/d converter
Serial communication interface connection.
The beneficial effects of the utility model are：
First：The long-range oil-break power break of automobile is realized by the combination of each several part hardware circuit；
Second：Positioning unit collection vehicle positional information, ensure that positional information is more accurate using dual system positioner；
3rd：Optical coupling isolation circuit is set between arm processor and relay, reduced between two parts circuit because of electricity
Disturbed caused by connection, there is the characteristics of strong antijamming capability, working stability；
4th：Wireless communication unit includes TD-SCDMA communicators, gsm communication device and GPRS communicators, multiple
Radio communication device can avoid communication blind district, make the information of transmission have real-time.
Brief description of the drawings
Fig. 1 is a kind of embodiment structural representation of the present utility model.
Fig. 2 is a kind of embodiment structural representation of optical coupling isolation circuit described in the utility model.
Fig. 3 is a kind of embodiment structural representation of data link described in the utility model.
Reference：1- frequency mixers, 2- bandpass filters, 3- power splitters, the a/d converters of 41- first, the AD of 42- the 2nd turn
Parallel operation, the a/d converters of 43- the 3rd, the a/d converters of 44- the 4th, the a/d converters of 45- the 5th, the a/d converters of 46- the 6th, 47- the 7th
A/d converter, R1- diode current-limiting resistances, R2- current-limiting resistances, R3- collector resistances, R4 base resistances, NPN- amplifications NPN tri-
Pole pipe.
Embodiment
More detailed description is done to embodiment of the present utility model below in conjunction with accompanying drawing and reference, makes to be familiar with ability
The technology people in domain can implement according to this after this specification is studied carefully.It should be appreciated that specific embodiment described herein is only solving
The utility model is released, is not used to limit the utility model.
Embodiment 1：Referring to accompanying drawing 1 to Big Dipper intelligent terminal accompanying drawing 3 Suo Shi with long-range oil-break power break function, including master
Machine unit, positioning unit, optical coupling isolation circuit, relay, wireless communication unit；
The main computer unit is connected including arm processor, winding displacement interface, flash, flash with arm processor serial ports；
The positioning unit includes GPS device and big-dipper satellite device, the data-out port of the GPS device and
The data-out port of big-dipper satellite device is connected with the serial communication interface of wireless communication unit；
The signal input part of the optical coupling isolation circuit and the output end serial ports of arm processor connect, optical coupling isolation circuit
Signal output part be connected with Control end；
The wireless communication unit includes TD-SCDMA communicators, gsm communication device and GPRS communicators, described
Data output of the data input pin of TD-SCDMA communicators, gsm communication device and GPRS communicators with positioning unit
End is connected, and TD-SCDMA communicators, the data output end of gsm communication device and GPRS communicators and main computer unit serial ports connect
Connect.
Vehicle operating information will be passed through radio communication list by GPS device and big-dipper satellite device in real time in the utility model
Member is transferred to main computer unit, sets double positioner to ensure that vehicle operating information is more accurate, reduces position error, radio communication list
Member includes TD-SCDMA communicators, gsm communication device and GPRS communicators, and multiple radio communication devices can avoid communicating blind
Area, makes the information of transmission have real-time；Treat that information of vehicles is communicated as arm processor input end signal by TD-SCDMA to fill
Put, the data output end of gsm communication device and GPRS communicators is transmitted to the arm processor of main computer unit, output end signal
Relay will be reached by optical coupling isolation circuit, relay can both connect with automobile power source control line, also be controlled with automobile fuel pump
Cascade System, arm processor control the power supply connected with relay by the disconnection of control relay control terminal with closing
Control line and automobile fuel pump control system, long-range oil-break power break function is realized, if exception occurs in vehicle, wireless data can be passed through
Network sends instruction to the main computer unit on vehicle, by Control automobile fuel pump control system and power control line, and
Data positioning vehicle is beamed back according to positioning unit, expatriate personnel go to disposal, and flash will be used as memory recording information of vehicles.
Preferably, the optical coupling isolation circuit includes optocoupler pipe, and the optocoupler pipe input connects with ARM output ends serial ports
Connect, the output end of optocoupler pipe amplifies NPN triode NPN base stages by base resistance R4 connections, and the output end of optocoupler pipe also passes through
Current-limiting resistance R2 connection power supplys, the amplification NPN triode NPN grounded emitters, colelctor electrode are connected by collector resistance R3
Power supply, amplification NPN triode NPN collector are the signal output part of optical coupling isolation circuit, signal output part and Control
End connection.
A kind of embodiment of optical coupling isolation circuit as shown in Figure 2, from arm processor signal output part and optocoupler pipe
Signal input part connection, optical coupling isolator forms by optical coupling isolator NPN triode and diode package, and diode one end leads to
Cross diode current-limiting resistance R1 and be connected to power supply, realize the conversion of electrical-optical-electrical, from the output end connection amplification NPN tri- of optocoupler pipe
Pole pipe NPN base stages, for purpose to amplify the output signal, whether amplification NPN triode NPN turns on determines Control end
Closure, disconnection and closure control automobile power source bus and automobile fuel pump control system by Control end.Such as：When
When arm processor output signal is low level, the diode current flow in optocoupler pipe makes LED lighting, and caused photoelectric current reaches
Optical coupling isolator triode, because optical coupling isolator transistor base is high level, grounded emitter, make the pole of optical coupling isolator three
Pipe turns on, and the base stage for the amplification NPN triode NPN being connected with optocoupler pipe output end is high level, amplification NPN triode NPN's
Grounded emitter, so the signal output part of the NPN conductings of amplification NPN triode, relay and optical coupling isolation circuit connects, relay
Device control terminal is low level, so relay disconnects, causes power control line and the automobile fuel pump control system connected with relay
System disconnects, and is stopped, realizes long-range oil-break power break；
When arm processor output signal is high level, the diode in optocoupler pipe is not turned on making diode not light, nothing
Photoelectric current caused by method, so optical coupling isolator transistor base is low level, grounded emitter, make optical coupling isolator triode
It is not turned on, the base stage for the amplification NPN triode NPN being connected with optocoupler pipe output end is low level, amplification NPN triode NPN's
Grounded emitter, so amplification NPN triode NPN is not turned on, the signal output part connection of relay and optical coupling isolation circuit, after
Electrical equipment control end is high level, so relay closes, causes power control line and the automobile fuel pump control connected with relay
System worked well, vehicle can continue to travel.
Set optical coupling isolation circuit to realize that electrical-optical-electrical is changed, avoid electricity-electricity of arm processor and relay from directly connecting
Connect, strong antijamming capability, working stability.
Preferably, further, in addition to sensor interface unit, sensor interface unit include：Temperature sensor, position
Displacement sensor, velocity sensor, pressure sensor, alcohol sensor and multiple ADC, the temperature sensor, displacement transducer,
Velocity sensor, pressure sensor, the data output end of alcohol sensor are connected with AD data input pin respectively, and the 3rd AD turns
Parallel operation 43 connects temperature sensor, the 4th a/d converter 44 connection displacement transducer, the connection speed of the 5th a/d converter 45 sensing
Device, the 6th a/d converter 46 connection pressure sensor, the 7th a/d converter 47 connection alcohol sensor, each a/d converter data
Output end is connected by winding displacement interface with arm processor serial ports, in addition to display, the display and main computer unit serial ports
Connection.
Multiple sensors can be with the collection vehicle information of multi-angle, and the information of vehicles of collection will be by arm processor aobvious
Show that device is shown, information is intuitively fast communicated to driver.
Preferably, big-dipper satellite positioner and GPS positioning device also include data link, and the data link includes
The mixing and filtering section of two series connection, the mixing and filtering section include 1, bandpass filter 2 of a frequency mixer, the frequency mixer
1 output end is connected with the input of bandpass filter 2, and the input of frequency mixer 1 is with the output end of bandpass filter 2 as mixed
The input and output end of frequency filter section, output end one power splitter 3 of connection of mixing and filtering section, one of the power splitter 3
Output end connects next section of mixed frequency band, 3 another output end of power splitter connection input of the first a/d converter 41, and the first AD turns
The output end of parallel operation 41 and the serial communication interface of arm processor connect, the work(being connected with second mixing and filtering section output end
An output end of device 3 is divided to be connected with the input of the second a/d converter 42, another output end of power splitter 3 and low-noise amplifier
Data input pin connection, the input of power splitter 3 is connected with the output end of second mixing and filtering section, the second a/d converter 42
The serial communication interface of output end and arm processor connects.
After the signal generator of positioning unit gets information of vehicles in the utility model, big-dipper satellite positioning dress is transferred to
Put and GPS positioning device, data link can be first passed through before transmitting to low-noise amplifier, satellite-signal is typically in high frequency
Section, by mixing frequency band, signal is mixed and down coversion, the frequency mixer in mixing and filtering section is by reception signal and local oscillator
Signal is mixed, and the frequency band signals that needs are then selected by bandpass filter are transmitted to next mixing and filtering section, by two
Individual mixing and filtering section just can obtain being suitable for the low-band signal of terrestrial transmission, then the low-band signal is transferred into low noise and put
Big device realizes signal gain, then transmits to wireless communication unit and realize that signal transmits.In multiple conversion process, easily believe
Number distorting transformation, so being provided with power splitter in each mixed frequency band output end, signal is divided into two-way, made all the way by power splitter
For normal signal transmission, another way converts analog signals into data signal by ADC and is used to analyze with normal signal transmission
Contrast, reduce distorted signal.
Above content is to combine the further description that specific preferred embodiment is made to the utility model, it is impossible to is recognized
Determine specific embodiment of the present utility model and be confined to these explanations.For the common skill of the utility model art
For art personnel, the other embodiment that is drawn in the case where not departing from the technical solution of the utility model should be included in this practicality
In new protection domain.
Claims (5)
1. the Big Dipper intelligent terminal with long-range oil-break power break function, it is characterised in that：Including main computer unit, positioning unit, light
Coupling isolation circuit, relay, wireless communication unit；
The main computer unit is connected including arm processor, winding displacement interface, flash, flash with arm processor serial ports；
The positioning unit includes GPS device and big-dipper satellite device, the data-out port and the Big Dipper of the GPS device
The data-out port of satellite equipments is connected with the serial communication interface of wireless communication unit；
The signal input part of the optical coupling isolation circuit and the output end serial ports of arm processor connect, the letter of optical coupling isolation circuit
Number output end is connected with Control end；
The wireless communication unit includes TD-SCDMA communicators, gsm communication device and GPRS communicators, the TD-
Data output end phase of the data input pin of SCDMA communicators, gsm communication device and GPRS communicators with positioning unit
Even, the data output end of TD-SCDMA communicators, gsm communication device and GPRS communicators is connected with main computer unit serial ports.
2. the Big Dipper intelligent terminal according to claim 1 with long-range oil-break power break function, it is characterised in that：The light
Coupling isolation circuit includes optocoupler pipe, and the optocoupler pipe input is connected with ARM output end serial ports, and the output end of optocoupler pipe passes through base
Electrode resistance（R4）Connection amplification NPN triode（NPN）Base stage, the output end of optocoupler pipe also pass through current-limiting resistance（R2）Connection electricity
Source, the amplification NPN triode（NPN）Grounded emitter, colelctor electrode pass through collector resistance（R3）Power supply is connected, amplifies NPN
Triode（NPN）The signal output part of current collection extremely optical coupling isolation circuit, signal output part are connected with Control end.
3. the Big Dipper intelligent terminal according to claim 1 with long-range oil-break power break function, it is characterised in that：Also include
Sensor interface unit, sensor interface unit include：Temperature sensor, displacement transducer, velocity sensor, pressure sensing
Device, alcohol sensor and multiple ADC, the temperature sensor, displacement transducer, velocity sensor, pressure sensor, alcohol pass
The data output end of sensor is connected with ADC data input pin respectively, and adc data output end is by winding displacement interface and ARM
Manage the connection of device serial ports.
4. the Big Dipper intelligent terminal according to claim 1 with long-range oil-break power break function, it is characterised in that：Also include
Display, the display are connected with main computer unit serial ports.
5. the Big Dipper intelligent terminal according to claim 1 with long-range oil-break power break function, it is characterised in that：The Big Dipper is defended
Star positioner and GPS positioning device also include data link, and the data link includes the mixing and filtering section of two series connection,
The mixing and filtering section includes a frequency mixer（1）, a bandpass filter（2）, the frequency mixer（1）Output end and band logical
Wave filter（2）Input connection, frequency mixer（1）Input and bandpass filter（2）Output end as mixing and filtering section
Input and output end, the output end of mixing and filtering section connect a power splitter（3）, the power splitter（3）One output
Next section of mixed frequency band of end connection, power splitter（3）Another output end connects the first a/d converter（41）Input, the first AD turn
Parallel operation（41）Output end and arm processor serial communication interface connect, be connected with second mixing and filtering section output end
Power splitter（3）An output end and the second a/d converter（42）Input connects, power splitter（3）Another output end and low noise
The data input pin connection of acoustic amplifier, power splitter（3）Input is connected with the output end of second mixing and filtering section, the 2nd AD
Converter（42）Output end and arm processor serial communication interface connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721225522.7U CN207164551U (en) | 2017-09-22 | 2017-09-22 | Big Dipper intelligent terminal with long-range oil-break power break function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721225522.7U CN207164551U (en) | 2017-09-22 | 2017-09-22 | Big Dipper intelligent terminal with long-range oil-break power break function |
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| Publication Number | Publication Date |
|---|---|
| CN207164551U true CN207164551U (en) | 2018-03-30 |
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ID=61723598
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721225522.7U Expired - Fee Related CN207164551U (en) | 2017-09-22 | 2017-09-22 | Big Dipper intelligent terminal with long-range oil-break power break function |
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| Country | Link |
|---|---|
| CN (1) | CN207164551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955228A (en) * | 2019-11-29 | 2020-04-03 | 佛山华科芯软科技有限公司 | Automobile remote control system |
-
2017
- 2017-09-22 CN CN201721225522.7U patent/CN207164551U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955228A (en) * | 2019-11-29 | 2020-04-03 | 佛山华科芯软科技有限公司 | Automobile remote control system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20180330 Termination date: 20180922 |