CN110225277A - A method of extending law-enforcing recorder cruise duration - Google Patents
A method of extending law-enforcing recorder cruise duration Download PDFInfo
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- CN110225277A CN110225277A CN201910448725.XA CN201910448725A CN110225277A CN 110225277 A CN110225277 A CN 110225277A CN 201910448725 A CN201910448725 A CN 201910448725A CN 110225277 A CN110225277 A CN 110225277A
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- image
- law
- enforcing recorder
- dynamic
- power supply
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to law-enforcing recorder fields.Purpose is to provide a kind of method for extending law-enforcing recorder cruise duration, method includes the following steps: (1) increases image dynamic detection energy supply control module, regulated power supply module in law-enforcing recorder；(2) image information of image sensitive device information is obtained；(3) the image change rate of picture profile and image dynamic change is calculated；(4) image change rate is subjected to dynamic classification；(5) voltage change of power supply is controlled.The present invention is able to extend the cruise duration of law-enforcing recorder, different supply current voltage is provided to different picture profiles, dynamic variable quantity in dynamic scene, it can be in the case where same battery capacity, obtain longer cruise duration, not only the performance of product significantly improves, cost is also increased without, also more environmentally-friendly.
Description
Technical field
The invention belongs to law-enforcing recorder fields, and in particular to a method of extend law-enforcing recorder cruise duration.
Background technique
Currently, law enfrocement official exercises a public function when needing to record field condition, it will usually need using camera shooting or
Camera installation records the enforcing law of law enfrocement official.Law-enforcing recorder incorporates collection digital vedio recording, words are sent in digital photographing, intercommunication
The function of device, can be to dynamic, static field condition digitized record be carried out, convenient for public security cadres and police various in enforcing law
It enforces the law and uses in environment.Law-enforcing recorder can be commanded by providing effective field image data for case, detection and procuratorial work
Official's evidence obtaining, has small in size, the functions such as easy to carry.
Law-enforcing recorder is convenient for carrying due to small, but but also law-enforcing recorder internal battery capacity relatively
It is small.Law enfrocement official is on duty outside to charge or replaces outside battery all and inconvenience, it is also possible to puzzlement can be brought to enforcing law,
Influence the efficiency of law enforcement.When law-enforcing recorder captures picture, the energy consumption that the difference of scene is required is not also identical, according to dynamic field
Scape carries out Current Voltage control and saves energy consumption, less to this research at present.And it is longer by increasing battery capacity acquisition at present
Mode, not only increased the weight of law-enforcing recorder, also increased cost cruise duration.
Summary of the invention
In view of this, the present invention provides a kind of method for extending law-enforcing recorder cruise duration, this method extends law enforcement
It improves properties of product and has saved cost the cruise duration of recorder.
For achieving the above object, the technical scheme adopted by the invention is that:
A kind of law-enforcing recorder, the master chip of the image information including the acquisition of acceptable images photoreceptor, the master chip
On be provided with the image dynamic detection energy supply control module that can handle the image information, the master chip and regulated power supply module
It is electrically connected, according to treated image information, passes through image dynamic detection energy supply control module and adjust regulated power supply module
Output voltage.
The master chip is also electrically connected with sound transducer and display module respectively.
Preferably, the regulated power supply module includes the single-chip microcontroller being electrically connected with master chip, defeated on the single-chip microcontroller
Exit port respectively with circuit connection to be regulated, circuit >=1 group, each circuit respectively with the law-enforcing recorder respectively to
Power supply facilities connection.
Correspondingly, a method of extending law-enforcing recorder cruise duration, comprising the following steps:
(1) described image photoreceptor acquires image information, and the image information is transferred on the master chip；
(2) described image dynamic detection energy supply control module calculate the picture profile of the image information complexity and
Image dynamic variable quantity is converted into image change rate；
(3) dynamic classification is carried out according to described image change rate, wherein picture profile includes 1~10 grade, and image dynamic becomes
Change includes 1~10 grade；
(4) it is grouped according to output voltage of the dynamic classification to the regulated power supply module, and passes through control
The regulated power supply module turns down each group output voltage；
(5) each group voltage after the regulated power supply module will be turned down is respectively transmitted to each facility to be powered of law-enforcing recorder
On, it is powered.
Preferably, the specific steps of the step (2) are as follows: this frame image that will acquire is compared with previous frame image
Compared with the different degree of image being converted to image change rate, range is 0%~100%.
Preferably, the dynamic classification is specially the image change rate every 10, is divided into a grade.
Preferably, in the step (4), when dynamic classification is 1~4 grade, the output voltage is divided into three groups, each group output
Voltage adjustment is respectively as follows: 3.3V and is adjusted to 3.0V, and 1.2V is adjusted to 1.05V, and 1.8V is adjusted to 1.65V.
Preferably, in the step (4), dynamic hierarchical data passes through I2C mode is communicated.
The method have the benefit that: in the inventive solutions, increase image dynamic in law-enforcing recorder
Energy supply control module is detected, the image information of image sensitive device information is obtained by master chip, and calculates picture profile and image
The image change rate of dynamic change, then dynamic classification is carried out, the voltage change of power supply is controlled according to dynamic classification, to save electricity
The energy consumption in source extends cruise duration.Compared with prior art, the present invention can obtain in the case where same battery capacity
Take longer cruise duration, test proves, under ordinary circumstance use, can lengthen working hours 50%, traditional law enforcement recorder
Working time is 8 hours, and the method for the present invention can will be increased to 12 hours the working time.And the present invention makes law-enforcing recorder more
Add energy conservation and environmental protection, also improves the performance of product.
Detailed description of the invention
Fig. 1 is law-enforcing recorder control principle block diagram of the present invention；
Fig. 2 is that there are the schematic diagrames of three output control terminal single-chip microcontrollers by the present invention；
Fig. 3 is that the 1st road voltage controling end of the invention controls output voltage circuit diagram；
Fig. 4 is that the 2nd road voltage controling end of the invention controls output voltage circuit diagram；
Fig. 5 is that the 3rd road voltage controling end of the invention controls output voltage circuit diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
As shown in connection with fig. 1, a kind of law-enforcing recorder, including master chip 1, image sensitive device 4, sound transducer 5 show mould
Block 6.Image dynamic detection energy supply control module 2, regulated power supply module 3 are increased in law-enforcing recorder；Master chip 1 is acceptable
The image information that image sensitive device 4 acquires, and the image dynamic detection that can handle the image information is provided on master chip 1
Energy supply control module 2, master chip 1 and regulated power supply module 3 are electrically connected, according to treated image information, dynamic by image
State detects the output voltage that energy supply control module 2 adjusts regulated power supply module 3.Regulated power supply module 3 includes electrical with master chip 1
The single-chip microcontroller of connection, output port on single-chip microcontroller respectively with circuit connection to be regulated, circuit >=1 group, each electricity
Road is connect with each facility to be powered of law-enforcing recorder respectively.
Law-enforcing recorder can also include battery 7, power supply module 8, Flash12, USB11, video input 13, button interfaces
9, storage card 10.Power supply module 8 and regulated power supply module 3 are electrically connected, and regulated power supply module 3 and battery 7 are electrically connected, battery
7 can power to master chip 1 by regulated power supply module 3.Power supply module 8 can charge to battery 7 by regulated power supply module 3.Sound
Sound sensor 5, display module 6, Flash12, USB11, video input 13, button interfaces 9, storage card 10 are electric with master chip 1
Gas connection, carries out the exchange of the information such as corresponding video, voice.Law-enforcing recorder can also include voice and video processing module,
The first-class law-enforcing recorder common apparatus of connector for flexible printed circuit board, optical frames, but it is not law-enforcing recorder in the present invention
In necessary nucleus module and connection type, no longer do and excessively repeat herein.
The present invention is controlled in dynamic scene by Current Voltage, and the method in law-enforcing recorder cruise duration is extended, including
Following steps:
(1) described image photoreceptor 4 acquires image information, and the image information is transferred on the master chip 1；
(2) the image dynamic detection energy supply control module 2 on the master chip 1 calculates the picture profile of the image information
Complexity and image dynamic variable quantity, be converted into image change rate；
(3) dynamic classification is carried out according to described image change rate, wherein picture profile includes 1~10 grade, and image dynamic becomes
Change includes 1~10 grade；
(4) it is grouped according to output voltage of the dynamic classification to the regulated power supply module 3, and passes through control
The regulated power supply module 3 turns down each group output voltage；
(5) each group voltage after the regulated power supply module 3 will be turned down is respectively transmitted to that law-enforcing recorder is each to be powered to be set
Shi Shang is powered.
Further, the particular content of the step (1) are as follows: obtained by the master chip 1 of law-enforcing recorder and come from image
Picture profile, the Image Motional Information of photoreceptor 4.
Further, the particular content of the step (2) are as follows: first by the present frame got from image sensitive device 4
Image information is compared with the image data of previous frame, according to the overlapping cases of two images, judges the not phase of two field pictures
With degree, be translated into image change rate, for example, if two field pictures be it is identical, this frame image is upper
Do not change after one frame image, no change has taken place for picture, is equivalent to still picture, then image change rate is 0%；If it is
Two field pictures be completely it is different, illustrate that this frame picture converted scene, then image change rate be 100%.
Further, the particular content of the step (3) are as follows: the image change rate being calculated by step (2) is carried out
Quantization divides, and is divided into different brackets, judges that capture picture is simple as profile, image dynamic variable quantity is small to facilitate.
It has been subjected to 1~10 dynamic classification according to the range of image change rate in the present invention, specially every 10 figure
As change rate, it is divided into a grade.
Further, the particular content of the step (4) are as follows: when equipment judges that capture picture simply, dynamically becomes for profile
Change is measured under small scene, and the energy consumption of primary processor and photoreceptor can be smaller, according to the variation of this scene, passes through image
Dynamic detection energy supply control module 2 adjusts the supply current and voltage of primary processor and photoreceptor.Primary processor will in the present invention
The data I of dynamic classification2The mode of C gives single-chip microcontroller U500, and the dynamic classification of image is determined as profile letter at 1~4
Scene single, dynamic variable quantity is small.It is single by regulated power supply module 3 to be illustrated in figure 2 image dynamic detection energy supply control module 2
Piece machine U500 controls three road output voltages, 3.3V is respectively adjusted to 3.0V, 1.2V is adjusted to 1.05V, and 1.8V is adjusted to
1.65V。
Further, in the step (4), three road output voltages of regulated power supply module 3 control the specific of potential circuit
Structural schematic diagram such as Fig. 3~5:
PWC_PSEQ3, the resistance of 1st road voltage controling end connection the 1st foot EN connection master chip 1 of circuit sy8088 chip
The one end R20, resistance R20 other end ground connection, the 2nd foot GND of sy8088 chip ground connection, the 4th foot VIN of sy8088 chip connect power supply, electricity
Hold the one end C160,160 other end of capacitor ground connection, the 3rd foot OUT of sy8088 chip connects the one end inductance L14, another termination of inductance L14
The one end capacitor C159, the one end resistance R19, VCC3_3V, the capacitor C159 other end, resistance R19 other end ground connection；Sy8088 chip
5th foot BP connects the one end the resistance R21, the one end resistance R22, the one end resistance R501, the one end capacitor C161, the resistance R22 other end
Ground connection, the capacitor C161 other end, the one end another termination capacitor C159 of R21, resistance R501 meet the 1st road voltage controling end CON_
01。
The PWC_PSEQ1, sy8089 of 2nd road voltage controling end connection the 1st foot EN connection master chip 1 of circuit sy8089 chip
The 2nd foot GND of chip ground connection, the 4th foot VIN of sy8089 chip connect power supply, the one end the capacitor C157, and 157 other end of capacitor is grounded,
The 3rd foot OUT of sy8089 chip meets the one end inductance L13, another termination SOC_VDDA1_1 of inductance L13, the one end capacitor C156, resistance
The one end R15, the one end resistance R47, the capacitor C156 other end, resistance R15 other end ground connection, another termination capacitor C121 of resistance R47
One end, SOC_VDDA1_1, capacitor C121 other end ground connection；The 5th one end foot BP connecting resistance R18 of sy8089 chip, resistance R17 mono-
End, the one end resistance R502, the one end capacitor C158, resistance R18 other end ground connection, the capacitor C158 other end, another termination capacitor of R17
The one end C156, the 2nd road voltage controling end CON_02 of another termination of resistance R502；
3rd road voltage controling end connects the 1st foot VIN connection POWER of circuit LC1463CB5ATR18 chip,
LC1463CB5ATR18 chip third foot EN is connected to PWC_PSEQ2, and the 2nd foot VSS of LC1463CB5ATR18 chip is grounded,
The 5th foot OUT of LC1463CB5ATR18 chip is connected to SOC_VDDA18, the one end capacitor C187, the one end resistance R9, and capacitor C187 is another
End, resistance R9 other end ground connection, the 4th one end foot BP connecting resistance R503 of LC1463CB5ATR18 chip, another termination of resistance R503
3rd road voltage controling end CON_03.
As a result, when image dynamic detection energy supply control module 2 is in the dynamic classification for providing image, judge it for 1~4 grade
When, using three road voltage control circuits of regulated power supply module 3, it can reach the purpose to electric power output voltage decompression, respectively
3.3V is adjusted to 3.0V, 1.2V is adjusted to 1.05V, and 1.8V is adjusted to 1.65V.At this point, entire processing system electric current is by 368mA
Drop to 275mA, under same battery capacity, the working time was increased to 12 hours by 8 hours.
The present invention is able to extend the cruise duration of law-enforcing recorder, in dynamic scene, according to the profile and dynamic of picture
Variation carries out the control of Current Voltage, so that can obtain longer cruise duration in the case where same battery capacity.This hair
Bright not need not only to increase cost, also more energy conservation and environmental protection, properties of product significantly improve.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of law-enforcing recorder, it is characterised in that:
The master chip (1) of image information including acceptable images photoreceptor (4) acquisition, being provided on the master chip (1) can
Handle the image dynamic detection energy supply control module (2) of the image information, the master chip (1) and regulated power supply module (2)
It is electrically connected, according to treated image information, passes through image dynamic detection energy supply control module (2) and adjust regulated power supply module
(3) output voltage；
The master chip (1) is also electrically connected with sound transducer (5) and display module (6) respectively.
2. law-enforcing recorder according to claim 1, it is characterised in that: the regulated power supply module (3) include with it is described
The single-chip microcontroller that master chip (1) is electrically connected, output port and circuit connection to be regulated on the single-chip microcontroller, the circuit >=
1 group, each circuit is connect with each facility to be powered of law-enforcing recorder respectively.
3. a kind of method for extending law-enforcing recorder cruise duration described in claim 1, it is characterised in that: the following steps are included:
(1) described image photoreceptor (4) acquires image information, and the image information is transferred on the master chip (1)；
(2) described image dynamic detection energy supply control module (2) calculate the picture profile of the image information complexity and
Image dynamic variable quantity is converted into image change rate；
(3) dynamic classification is carried out according to described image change rate, wherein picture profile includes 1~10 grade, image dynamic change packet
Include 1~10 grade；
(4) it is grouped according to output voltage of the dynamic classification to the regulated power supply module (3), and passes through control institute
Regulated power supply module (3) is stated to turn down each group output voltage；
(5) it is each to be powered that each group voltage after regulated power supply mould (3) block will be turned down is respectively transmitted to the law-enforcing recorder
On facility, it is powered.
4. a kind of method for extending law-enforcing recorder cruise duration according to claim 3, it is characterised in that: the step
(2) specific steps are as follows: this frame image that will acquire is compared with previous frame image, and the different degree of image is converted
For image change rate, range is 0%~100%.
5. a kind of method for extending law-enforcing recorder cruise duration according to claim 3, it is characterised in that: described is dynamic
State classification is specially the image change rate every 10, is divided into a grade.
6. a kind of method for extending law-enforcing recorder cruise duration according to claim 3, it is characterised in that: the step
(4) in, when dynamic classification is 1~4 grade, the output voltage is divided into three groups, and the adjustment of each group output voltage is respectively as follows: 3.3V adjustment
It is adjusted to 1.05V to 3.0V, 1.2V, 1.8V is adjusted to 1.65V.
7. a kind of method for extending law-enforcing recorder cruise duration according to claim 3, it is characterised in that: the step
(4) in, dynamic hierarchical data passes through I2C mode is communicated.
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Cited By (1)
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| CN114189642A (en) * | 2021-12-06 | 2022-03-15 | 海能达通信股份有限公司 | Law enforcement recorder management method and device, server and storage medium |
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Application publication date: 20190910 |