CN205959218U - Vehicular vehicle auto -tracing system - Google Patents
Vehicular vehicle auto -tracing system Download PDFInfo
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- CN205959218U CN205959218U CN201620739823.0U CN201620739823U CN205959218U CN 205959218 U CN205959218 U CN 205959218U CN 201620739823 U CN201620739823 U CN 201620739823U CN 205959218 U CN205959218 U CN 205959218U
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Abstract
The utility model discloses a vehicular vehicle auto -tracing system relates to the vehicle and follows the trail of technical field, and this system's mountable can be followed the place vehicle and search the predeterminated target in real time and follow the tracks of in the road on arbitrary vehicle, and the public security officer of being convenient for carries out the pursuit task more high -efficiently. Including installing the front end camera device on the vehicle and setting up at command center's terminal handling unit, front end camera device includes front processor and the front end wireless transmission module, video acquisition module, GPS orientation module and the voice module that are connected with front processor respectively, the terminal handling unit includes terminal handling ware and the terminal wireless transmission module, data storage module, path analysis module, vehicle license plate recognition module and the motion target detection module that are connected with the terminal handling ware respectively, front processor passes through front end wireless transmission module and terminal wireless transmission module and terminal processor wireless connection.
Description
Technical field
This utility model is related to car tracing technical field and in particular to vehicle carried type vehicle automatic tracking system.
Background technology
In current security monitoring system, conventional images collecting device is completed using fixed point photographic head mostly.By mounting bar
Part and the visual field require impact, and these fixed point photographic head often install aloft and position is fixed although having larger field of view,
But because there is certain distance on road surface relatively, the observation for specific objective (as a certain license plate number) or seizure lack effective means,
And it is subject to cost impact in some areas, the coverage density of fixed point photographic head does not reach public security demand in itself.Therefore, design one kind
Mobile vehicle carried type vehicle automatic tracking system seems very necessary.
Utility model content
This utility model is that there is above-mentioned deficiency to solve existing fixed point image capture device, provides a kind of structure letter
Single, reliability is high, is easy to use, may be installed on any vehicle, and search in real time is predetermined in the road can to follow place vehicle
Target is simultaneously followed the tracks of, and is easy to public security officer and more efficiently executes the vehicle carried type vehicle automatic tracking system following the trail of task.
To achieve these goals, this utility model employs the following technical solutions：
Vehicle carried type vehicle automatic tracking system, including the front end camera head being arranged on vehicle and be arranged on command centre
Terminal processing units；Front end camera head includes FEP and the front end that is connected with FEP respectively is wirelessly passed
Defeated module, video acquisition module, d GPS locating module and voice module；Terminal processing units include terminal handler and respectively with
Terminal wireless transport module, data memory module, trajectory analysis module, Car license recognition module and motion that terminal handler connects
Module of target detection；FEP passes through front end wireless transport module and terminal wireless transport module is wireless with terminal handler
Connect.
The vehicle carried type vehicle automatic tracking system of this programme may be installed in arbitrary common vehicle.By video acquisition mould
Block obtains video data, using front end wireless transport module and terminal wireless transport module, data is reached the terminal of command centre
In processor.The Car license recognition module real-time detection coupling suspected vehicles of terminal, detect this suspicion with moving object detection module
Doubtful vehicle, obtains moving direction in monitored picture for the suspected vehicles and displacement in real time, feeds data back to voice mould simultaneously
Block carrys out control voice navigation hint.Additionally, trajectory analysis module is to this car GPS position information obtaining from d GPS locating module
It is further analyzed, to facilitate the scheduling tracking to suspected vehicles for other vehicles.This programme structure is simple, and reliability is high, is easy to
Use, may be installed on any vehicle, place vehicle can be followed and search predeterminated target in the road in real time and followed the tracks of, just
More efficiently execute tracking task in public security officer.
Preferably, front end camera head also includes the head that can rotate, video acquisition module includes photographic head, photographic head
It is fixed on head, the control end of head and the control end of photographic head are connected with FEP respectively.Terminal handler is by number
According to the rotary taking feeding back to head and controlling photographic head, reliability is high.
Preferably, video acquisition module also includes brightness detection sensor and shoots illuminating lamp, described brightness detection passes
The control end of sensor and shooting illuminating lamp is connected with FEP respectively.
This programme structure is simple, and reliability is high, and identification is clear, is easy to public security officer and more efficiently executes tracking work appoint
Business.
Preferably, video acquisition module also includes peak power limits control circuit, described peak power limits and controls
Circuit includes：Power Groud GND, resistance R1, resistance R2, electric capacity C2, operational amplifier, resistance R3, electric capacity C3, a junction point,
No. two junction points, No. three junction points, reference voltage terminal Vref, resistance R4, resistance R5, signal ground SGND, diode D4 and No. four companies
Contact；
Power Groud GND is connected on a junction point；One end of electric capacity C2 is connected on a junction point, and electric capacity C2's is another
One end is connected on No. two junction points；One end of resistance R1 is connected on a junction point, and the other end of resistance R1 is connected to electricity
On one end of resistance R2；The other end of resistance R2 is connected on No. two junction points；One end of resistance R3 is connected on No. two junction points,
The other end of resistance R3 is connected on one end of electric capacity C3, and the other end of electric capacity C3 is connected on No. three junction points；Operation amplifier
The electrode input end IN+ of device is connected on No. two junction points, and the negative input IN of operational amplifier is connected to reference voltage
End VrefOn, the outfan of operational amplifier is connected on No. three junction points, and one end of resistance R4 is connected on No. three junction points,
The other end of resistance R4 is connected on No. four junction points, and one end of resistance R5 is connected on No. four junction points, and resistance R5's is another
End is connected on signal ground SGND；The positive terminal of diode D4 is connected on No. four junction points, and the negative pole end of diode D4 connects
On the light modulation foot shooting illuminating lamp.
In this programme, resistance R1 is signal sampling resistance, and the electric current that resistance R1 is major loop is flow through in detection, resistance R2 and
Electric capacity C2 constitutes wave filter and the signal on resistance R1 is converted, and the signal sampling is changed into average value signal.Signal
Relatively in change-over circuit, operational amplifier, resistance R3 and electric capacity C3 constitute a comparator.Resistance R3, electric capacity C3 constitute integration
Circuit.In the circuit of two-stage or multistage APFC, APFC provides one not to this programme
The constant busbar voltage changing with input voltage change, by the electricity sampled on the major loop of APFC rear end
Stream, thus calculate output.Because busbar voltage is fixed value, the meansigma methodss of sample rate current are proportional to output, then
The change of sample rate current meansigma methodss can be with the change of direct reaction output.Use this current sampling signal, achievable maximum work
Rate controls.By passing through electric current on sampling resistor R1, meansigma methodss are changed into by the RC filter circuit that resistance R2 and electric capacity C2 form
Signal, then passes through signal conversion module process signal, finally controls shooting to shine using through comparing the output signal after process
The light modulation foot of bright lamp, thus realize maximum power control.
Resistance R1 is signal sampling resistance, and the current signal on sampling resistor R1 consists of resistance R2 and electric capacity C2
Filter circuit, obtains a current average signal, then compares process circuit by signal, by sampled signal and standard value ratio
Relatively, it is converted to output signal, to realize maximum power control below.Then pass through signaling conversion circuit, obtaining one can
To control the signal of the light modulation foot shooting illuminating lamp, control the working condition of the light modulation foot shooting illuminating lamp, control mode is permissible
It is controlling switch frequency, reference level of dutycycle or sample circuit etc., realize the limitation function of peak power.In signal ratio
Compared with change-over circuit, first carry out a signal and compare, if the signal that prime signal processing comes is more than the reference signal setting,
Illustrate that output exceeds the peak power setting, then signaling conversion circuit can export high level signal, if at prime signal
Manage the signal coming and be less than or equal to the reference signal setting, illustrate output without departing from the peak power setting, signal
Change-over circuit is inoperative, and the light modulation foot shooting illuminating lamp works on by current operating state.
When output signal is high level, a voltage signal is obtained by resistance R4, resistance R5 partial pressure, thus triggering shooting
The light modulation foot work of illuminating lamp, and set specific pulse width modulating signal, control circuit presses new working condition work, real
Existing maximum power control, inoperative when output signal low level, continue to press current operating state work.
This utility model can reach following effect：
This utility model structure is simple, and reliability is high, is easy to use, may be installed on any vehicle, can follow place
Vehicle is searched predeterminated target in the road in real time and is followed the tracks of, and is easy to public security officer and more efficiently executes tracking task.
Brief description
Fig. 1 is a kind of circuit theory attachment structure schematic block diagram of the present utility model.
Fig. 2 is that the peak power on the light modulation foot being connected in this utility model embodiment 2 and shooting illuminating lamp limits control
A kind of circuit theory attachment structure schematic diagram of circuit part.
Specific embodiment
Below by embodiment, and combine accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment 1：Vehicle carried type vehicle automatic tracking system, shown in Figure 1, including the front end shooting being arranged on vehicle
The device s1 and terminal processing units s8 being arranged on command centre；Front end camera head include FEP s7 and respectively with
Front end wireless transport module s3, video acquisition module s2, d GPS locating module s4 and voice module s5 that FEP connects；
Terminal processing units include terminal handler s14 and the terminal wireless transport module s9 being connected respectively, data with terminal handler
Memory module s10, trajectory analysis module s11, Car license recognition module s12 and moving object detection module s13；FEP leads to
Cross front end wireless transport module and terminal wireless transport module is wirelessly connected with terminal handler.Front end camera head also includes energy
The head s6 rotating, video acquisition module includes photographic head, and photographic head is fixed on head, the control end of head and photographic head
Control end is connected with FEP respectively.
The vehicle carried type vehicle automatic tracking system of the present embodiment 1 may be installed in arbitrary common vehicle.Adopted by video
Collection module obtains video data, using front end wireless transport module and terminal wireless transport module, data is reached command centre
In terminal handler.The Car license recognition module real-time detection coupling suspected vehicles of terminal, with the detection of moving object detection module
This suspected vehicles, obtains moving direction in monitored picture for the suspected vehicles and displacement in real time, feeds data back to language simultaneously
Sound module carrys out control voice navigation hint.Additionally, trajectory analysis module is to this car GPS location obtaining from d GPS locating module
Information is further analyzed, to facilitate the scheduling tracking to suspected vehicles for other vehicles.Terminal handler feeds data back to cloud
Controlling the rotary taking of photographic head, reliability is high for platform.The present embodiment 1 structure is simple, and reliability is high, is easy to use, can install
On any vehicle, place vehicle can be followed and search predeterminated target in the road in real time and followed the tracks of, be easy to public security officer
More efficiently task is followed the trail of in execution.
Embodiment 2, participates in shown in Fig. 1, Fig. 2, embodiment 2 is from the different of embodiment 1：Video acquisition module also includes
Brightness detection sensor s18 and shoot illuminating lamp s19, described brightness detection sensor and shoot illuminating lamp control end respectively with
FEP connects.
Video acquisition module also includes peak power and limits control circuit s23, and described peak power limits control circuit bag
Include：Power Groud GND, resistance R1, resistance R2, electric capacity C2, operational amplifier, resistance R3, electric capacity C3, a junction point 11, No. two
Junction point 22, No. three junction points 33, reference voltage terminal Vref, resistance R4, resistance R5, signal ground SGND, diode D4 and No. four companies
Contact 44.
Power Groud GND is connected on a junction point；One end of electric capacity C2 is connected on a junction point, and electric capacity C2's is another
One end is connected on No. two junction points；One end of resistance R1 is connected on a junction point, and the other end of resistance R1 is connected to electricity
On one end of resistance R2；The other end of resistance R2 is connected on No. two junction points；One end of resistance R3 is connected on No. two junction points,
The other end of resistance R3 is connected on one end of electric capacity C3, and the other end of electric capacity C3 is connected on No. three junction points；Operation amplifier
The electrode input end IN+ of device is connected on No. two junction points, and the negative input IN- of operational amplifier is connected to reference voltage terminal
VrefOn, the outfan of operational amplifier is connected on No. three junction points, and one end of resistance R4 is connected on No. three junction points, electricity
The other end of resistance R4 is connected on No. four junction points, and one end of resistance R5 is connected on No. four junction points, the other end of resistance R5
It is connected on signal ground SGND；The positive terminal of diode D4 is connected on No. four junction points, and the negative pole end of diode D4 is connected to
Shoot on the light modulation foot of illuminating lamp.
In example 2, resistance R1 is signal sampling resistance, and the electric current that resistance R1 is major loop, resistance R2 are flow through in detection
Constitute wave filter with electric capacity C2 the signal on resistance R1 is converted, the signal sampling is changed into average value signal.Letter
Number compare in change-over circuit, operational amplifier, resistance R3 and electric capacity C3 constitute a comparator.Resistance R3, electric capacity C3 constitute long-pending
Parallel circuit.In the circuit of two-stage or multistage APFC, APFC provides one to embodiment 2
The constant busbar voltage not changing with input voltage and changing, by the electricity sampled on the major loop of APFC rear end
Stream, thus calculate output.Because busbar voltage is fixed value, the meansigma methodss of sample rate current are proportional to output, then
The change of sample rate current meansigma methodss can be with the change of direct reaction output.Use this current sampling signal, achievable maximum work
Rate controls.By passing through electric current on sampling resistor R1, meansigma methodss are changed into by the RC filter circuit that resistance R2 and electric capacity C2 form
Signal, then passes through signal conversion module process signal, finally controls shooting to shine using through comparing the output signal after process
The light modulation foot of bright lamp, thus realize maximum power control.
Resistance R1 is signal sampling resistance, and the current signal on sampling resistor R1 consists of resistance R2 and electric capacity C2
Filter circuit, obtains a current average signal, then compares process circuit by signal, by sampled signal and standard value ratio
Relatively, it is converted to output signal, to realize maximum power control below.Then pass through signaling conversion circuit, obtaining one can
To control the signal of the light modulation foot shooting illuminating lamp, control the working condition of the light modulation foot shooting illuminating lamp, control mode is permissible
It is controlling switch frequency, reference level of dutycycle or sample circuit etc., realize the limitation function of peak power.In signal ratio
Compared with change-over circuit, first carry out a signal and compare, if the signal that prime signal processing comes is more than the reference signal setting,
Illustrate that output exceeds the peak power setting, then signaling conversion circuit can export high level signal, if at prime signal
Manage the signal coming and be less than or equal to the reference signal setting, illustrate output without departing from the peak power setting, signal
Change-over circuit is inoperative, and the light modulation foot shooting illuminating lamp works on by current operating state.
When output signal is high level, a voltage signal is obtained by resistance R4, resistance R5 partial pressure, thus triggering shooting
The light modulation foot work of illuminating lamp, and set specific pulse width modulating signal, control circuit presses new working condition work, real
Existing maximum power control, inoperative when output signal low level, continue to press current operating state work.
Embodiment 2 limits to the peak power shooting illuminating lamp, substantially increases the reliability shooting illuminating lamp, and
The service life shooting illuminating lamp can be extended.Embodiment 2 structure is simple, and reliability is high, is easy to use, may be installed any vehicle
On, place vehicle can be followed and search predeterminated target in the road in real time and followed the tracks of, be easy to public security officer and more efficiently hold
Row follows the trail of task.
The embodiment of the present utility model above in conjunction with Description of Drawings, but do not limited by above-described embodiment when realizing, this
Field those of ordinary skill can make a variety of changes within the scope of the appended claims or change.
Claims (4)
1. vehicle carried type vehicle automatic tracking system is it is characterised in that include front end camera head and the setting being arranged on vehicle
Terminal processing units in command centre；Front end camera head is included FEP and is connected with FEP respectively
Front end wireless transport module, video acquisition module, d GPS locating module and voice module；Terminal processing units include terminal processes
Device and the terminal wireless transport module being connected with terminal handler respectively, data memory module, trajectory analysis module, Car license recognition
Module and moving object detection module；FEP passes through front end wireless transport module and terminal wireless transport module and terminal
Processor wirelessly connects.
2. vehicle carried type vehicle automatic tracking system according to claim 1 is it is characterised in that front end camera head also includes
The head that can rotate, video acquisition module includes photographic head, and photographic head is fixed on head, the control end of head and photographic head
Control end is connected with FEP respectively.
3. vehicle carried type vehicle automatic tracking system according to claim 2 is it is characterised in that video acquisition module also includes
Brightness detection sensor and shoot illuminating lamp, described brightness detection sensor and shoot illuminating lamp control end respectively with front end at
Reason device connects.
4. vehicle carried type vehicle automatic tracking system according to claim 3 is it is characterised in that video acquisition module also includes
Peak power limits control circuit, and described peak power limits control circuit and includes：Power Groud GND, resistance R1, resistance R2, electricity
Hold C2, operational amplifier, resistance R3, electric capacity C3, a junction point (11), No. two junction points (22), No. three junction points (33), bases
Quasi- voltage end Vref, resistance R4, resistance R5, signal ground SGND, diode D4 and No. four junction points (44)；
Power Groud GND is connected on a junction point；One end of electric capacity C2 is connected on a junction point, the other end of electric capacity C2
It is connected on No. two junction points；One end of resistance R1 is connected on a junction point, and the other end of resistance R1 is connected to resistance R2
One end on；The other end of resistance R2 is connected on No. two junction points；One end of resistance R3 is connected on No. two junction points, resistance
The other end of R3 is connected on one end of electric capacity C3, and the other end of electric capacity C3 is connected on No. three junction points；Operational amplifier
Electrode input end IN+ is connected on No. two junction points, and the negative input IN- of operational amplifier is connected to reference voltage terminal Vref
On, the outfan of operational amplifier is connected on No. three junction points, and one end of resistance R4 is connected on No. three junction points, resistance R4
The other end be connected on No. four junction points, one end of resistance R5 is connected on No. four junction points, and the other end of resistance R5 connects
On signal ground SGND；The positive terminal of diode D4 is connected on No. four junction points, and the negative pole end of diode D4 is connected to shooting
On the light modulation foot of illuminating lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620739823.0U CN205959218U (en) | 2016-07-11 | 2016-07-11 | Vehicular vehicle auto -tracing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620739823.0U CN205959218U (en) | 2016-07-11 | 2016-07-11 | Vehicular vehicle auto -tracing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205959218U true CN205959218U (en) | 2017-02-15 |
Family
ID=57970824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620739823.0U Expired - Fee Related CN205959218U (en) | 2016-07-11 | 2016-07-11 | Vehicular vehicle auto -tracing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205959218U (en) |
-
2016
- 2016-07-11 CN CN201620739823.0U patent/CN205959218U/en not_active Expired - Fee Related
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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: 20170215 Termination date: 20200711 |