CN107240870A - A kind of power distribution cabinet for base station Self Adaptive Control - Google Patents
A kind of power distribution cabinet for base station Self Adaptive Control Download PDFInfo
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- CN107240870A CN107240870A CN201710645378.0A CN201710645378A CN107240870A CN 107240870 A CN107240870 A CN 107240870A CN 201710645378 A CN201710645378 A CN 201710645378A CN 107240870 A CN107240870 A CN 107240870A
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- 238000001514 detection method Methods 0.000 claims description 11
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- 239000002390 adhesive tape Substances 0.000 claims description 6
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- 230000000877 morphologic effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/40—Scenes; Scene-specific elements in video content
- G06V20/41—Higher-level, semantic clustering, classification or understanding of video scenes, e.g. detection, labelling or Markovian modelling of sport events or news items
- G06V20/42—Higher-level, semantic clustering, classification or understanding of video scenes, e.g. detection, labelling or Markovian modelling of sport events or news items of sport video content
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/38—Hinged covers or doors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30196—Human being; Person
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computational Linguistics (AREA)
- Software Systems (AREA)
- Multimedia (AREA)
- Traffic Control Systems (AREA)
Abstract
The present invention relates to a kind of power distribution cabinet for base station Self Adaptive Control, including water-proof type door, radiator structure, CMOS vision sensors and MSP430 single-chip microcomputers, CMOS vision sensors are used to traffic intersection is carried out image taking to obtain high definition the image of crossing, MSP430 single-chip microcomputers are used to determine pedestrian's quantity at traffic intersection based on high definition the image of crossing, and the signal transmit-receive intensity of base station platform near traffic intersection is calculated, water-proof type door and radiator structure are all disposed within the cabinet of power distribution cabinet.By the present invention, the application for the power distribution cabinet expanded near traffic intersection can seek equalization point between base station radiation and base station efficiency.
Description
The application be Application No. 201610083254.3, the applying date be on 2 4th, 2016, it is entitled " one kind use
In base station self-adaptation control method " patent divisional application.
Technical field
The present invention relates to power distribution cabinet field, more particularly to a kind of power distribution cabinet for base station Self Adaptive Control.
Background technology
Power distribution cabinet sub-power power distribution cabinet and light distribution cabinet, metering cabinet, are the final stage devices of distribution system.Power distribution cabinet is electricity
The general designation of motivation control centre.Power distribution cabinet is used in the occasion that load is more dispersed, loop is less；Motor control center is used for
The occasion that load is concentrated, loop is more.They distribute to the electric energy of a certain circuit of upper level controller switching equipment load nearby.This
Level equipment reply load provides protection, monitoring and controlled.
Power distribution cabinet be may be provided at traffic intersection, and the traffic lights for traffic intersection are controlled, or attached for traffic intersection
Near Street lamps control, it is also possible to for providing electric power branch for the capture apparatus violating the regulations near traffic intersection, urban service equipment
Hold.But the effect of traffic intersection power distribution cabinet of the prior art is only limitted to this, not yet there is traffic intersection power distribution cabinet near
The technical scheme of base station signal strength control.Indeed, it is possible to exist, communication equipment is seldom in compass of competency but base station is also protected
The situation of higher signal transmitting and receiving power is held, causes the waste of base station resource, it is also possible to there is in compass of competency communication equipment very
Many but base station also keeps the situation of fixed signal transmitting and receiving power, causes base station signal not support all logical in compass of competency
Believe equipment.
Accordingly, it would be desirable to a kind of new traffic intersection power distribution cabinet, can make full use of the power distribution cabinet at each traffic intersection,
Make it as the collection carrier of neighbouring communication equipment quantity, provide strong for the signal power control of the base station near traffic intersection
Data supporting, so as to improve the service quality of each base station.
The content of the invention
In order to solve the above problems, the invention provides a kind of power distribution cabinet for base station Self Adaptive Control, it can utilize
The power distribution cabinet of existing traffic intersection determines pedestrian target quantity, based on row as data acquisition platform based on the data collected
People's destination number determines base station signal strength, and the base station signal strength of determination is sent into base nearby using wireless communication technology
Stand, to avoid the waste of neighbouring base station resource or the situation of deficiency from occurring.
There is provided a kind of power distribution cabinet for base station Self Adaptive Control, the power distribution cabinet bag according to an aspect of the present invention
Water-proof type door, radiator structure, CMOS vision sensors and MSP430 single-chip microcomputers are included, CMOS vision sensors are used for traffic
Crossing carries out image taking to obtain high definition the image of crossing, and MSP430 single-chip microcomputers are used to determine traffic road based on high definition the image of crossing
Pedestrian's quantity at mouthful, and the signal transmit-receive intensity of base station platform near traffic intersection is calculated, water-proof type door and radiating are tied
Structure is all disposed within the cabinet of power distribution cabinet.
More specifically, in the power distribution cabinet for base station Self Adaptive Control, including：Power distribution cabinet main body, including cabinet,
Water-proof type door and radiator structure；Cabinet use thickness for 1.5 millimeters cold-rolled steel sheet and with stiffened panel and floor；Waterproof
Formula door includes inside door, external door, door hinge, waterproof adhesive tape and door stop, and external door uses double-fold structure, outer for increasing
The intensity on four sides of door simultaneously strengthens water-proof function, and door hinge is 3 alloy hinges, for external door to be connected with cabinet, door stop
On inside door, for realizing that the self-adapting locking of inside door is spacing when inside door is opened or closed, waterproof adhesive tape is set outside
On door madial wall；Radiator structure includes axial flow blower, steam vent, air admission hole and dustproof filter screen, and axial flow blower is arranged on cabinet top
Wall inner central position, the exchange for accelerating gas inside and outside cabinet, steam vent is arranged on the top of cabinet, and air admission hole is arranged on
The lower section of cabinet, dustproof filter screen is arranged on air admission hole；Luminance sensor, is embedded on cabinet, for detecting ambient brightness, root
Determined according to ambient brightness and export corresponding ambient light levels；CMOS vision sensors, are embedded on cabinet, for traffic
Crossing is shot, and to obtain high definition the image of crossing, the resolution ratio of high definition the image of crossing is 3840 × 2160；Mobile hard disk, if
Put in cabinet, for prestoring multiple Benchmark brightness the image of crossing, each Benchmark brightness the image of crossing one ring of correspondence
Border brightness degree, each Benchmark brightness the image of crossing be correspondence ambient light levels under CMOS vision sensors to traffic road
Mouth carries out shooting obtained image in advance under without any pedestrian's state, and mobile hard disk is additionally operable to prestore preset difference value threshold
Value, aspect ratio range and symmetry scope, aspect ratio range are that multiple benchmark pedestrian images are carried out to count after aspect ratio calculating
Scope, symmetry scope is to carry out the scope that counts after symmetry calculating to multiple benchmark pedestrian images；Foreground selection equipment,
It is arranged in cabinet, is connected respectively with luminance sensor and mobile hard disk, the environment exported based on current time luminance sensor
Brightness degree is found corresponding Benchmark brightness the image of crossing in mobile hard disk and exported as target background image；Background is complicated
Detection device is spent, is arranged in cabinet, is connected with CMOS vision sensors, for receiving high definition the image of crossing, and calculate high definition
The severe degree that pixel color changes in the image of crossing is to be used as the output of background complexity；Moving region detection device, is arranged on
In cabinet, it is connected respectively with CMOS vision sensors, mobile hard disk, Foreground selection equipment and background complexity detection device, base
The first weighted value and the second weighted value are determined in background complexity, the first weighted value and the second weighted value sum are 1, and background is complicated
Degree is bigger, and the first weighted value is smaller, and the second weighted value is bigger, and the high definition crossing at current time is received by CMOS vision sensors
Image and the high definition the image of crossing at next second of current time, respectively as the first high definition the image of crossing and the second high definition crossing figure
Picture, the gray value of each pixel of the first high definition the image of crossing is subtracted the pixel of correspondence position in the second high definition the image of crossing
Gray value and take absolute value to obtain the first absolute value, the gray value of each pixel of the first high definition the image of crossing is subtracted
The gray value of the pixel of correspondence position and take absolute value to obtain the second absolute value, the first weighted value and in target background image
One absolute value is multiplied to obtain the first product, and the second weighted value and the second absolute value are multiplied to the second product of acquisition, multiplies when first
When product and the second product are all that the absolute value of difference between non-zero and the first product and the second product is less than preset difference value threshold value,
The respective pixel of first high definition the image of crossing is confirmed as moving pixel, otherwise, the respective pixel quilt of the first high definition the image of crossing
It is defined as static pixel, the image of all motion pixel compositions in the first high definition the image of crossing is exported as moving image, transported
Motion video is made up of one or more moving regions；Morphological image process equipment, is arranged in cabinet, is detected with moving region
Equipment is connected, for receiving moving pictures, and carries out denoising to each moving region to obtain denoising subgraph, is filled up
Denoising subgraph interior void simultaneously connects the breakpoint in denoising subgraph to obtain shaping subgraph, exports one or more shapings
Subgraph；Feature extracting device, is arranged in cabinet, is connected with morphological image process equipment, extracts each shaping subgraph
The horizontal maximum number of pixels of picture and longitudinal maximum number of pixels, by longitudinal maximum number of pixels divided by horizontal maximum number of pixels
To obtain aspect ratio, and calculate the symmetry of each shaping subgraph；MSP430 single-chip microcomputers, are arranged in cabinet, with feature
Extraction equipment and mobile hard disk are connected respectively, by the aspect ratio and symmetry of each shaping subgraph respectively with aspect ratio range
It is compared with symmetry scope, when the aspect ratio of shaping subgraph falls in aspect ratio range and symmetry falls in symmetry model
When enclosing, corresponding shaping subgraph is confirmed as pedestrian's subgraph, and the number of calculating pedestrian's subgraph is simultaneously defeated as pedestrian's quantity
Go out；Power distribution cabinet Wireless Telecom Equipment, is embedded on cabinet, is connected with MSP430 single-chip microcomputers, pedestrian's quantity is received, based on pedestrian's number
Amount determine base station signal strength grade, and by wireless communication link by base station signal strength grade be sent near including
The base station platform of base station communication interface, base station controller and multiple base station transceivers, in order to which base station controller is based on base station
Signal strength scale controls the signal transmit-receive intensity of multiple base station transceivers, and pedestrian's quantity is more, base station signal strength grade
Bigger, the signal transmit-receive intensity of base station transceiver is higher.
More specifically, in the power distribution cabinet for base station Self Adaptive Control, in addition to：Connecting terminal block, is arranged on
In cabinet.
More specifically, in the power distribution cabinet for base station Self Adaptive Control：MSP430 single-chip microcomputers and connecting terminal block
Connection.
More specifically, in the power distribution cabinet for base station Self Adaptive Control, in addition to：Analog input interface, if
Put in cabinet.
More specifically, in the power distribution cabinet for base station Self Adaptive Control：Analog input interface is adjusted including signal
Manage circuit, genlock circuit and analog to digital conversion circuit.
Brief description of the drawings
Embodiment of the present invention is described below with reference to accompanying drawing, wherein：
Fig. 1 is the block diagram of the power distribution cabinet for base station Self Adaptive Control according to embodiment of the present invention.
Reference：1 water-proof type door；2 radiator structures；3CMOS vision sensors；4MSP430 single-chip microcomputers
Embodiment
The embodiment to the power distribution cabinet for base station Self Adaptive Control of the present invention is carried out in detail below with reference to accompanying drawings
Explanation.
The classification of power distribution cabinet is as follows：(1) one-level controller switching equipment, is referred to as motive power distribution center.They are installed concentratedly in enterprise
The transformer station of industry, distributes to electric energy subordinate's controller switching equipment of different location.This first device only leans on step-down transformer, therefore electrically
Parameter request is higher, and output circuit capacity is also larger；(2) graduation two electric equipment, is dynamic power distribution cabinet and motor control center
General designation.Dynamic power distribution cabinet is used in the occasion that load is more dispersed, loop is less；Motor control center is used for load collection
In, the more occasion in loop.They distribute to the electric energy of a certain circuit of upper level controller switching equipment load nearby.This grade of equipment
Load is tackled protection, monitoring are provided and controlled；(3) final distribution equipment is collectively referred to as illuminating dynamic power distribution cabinet.They are away from power supply
Center, is scattered low capacity controller switching equipment.
Power distribution cabinet application of the prior art is excessively single, it is impossible to adapt to the development trend of intelligent city, in fact, handing over
Have greatly can phase, such as interaction with neighbouring base station for the expanded function of power distribution cabinet at path mouthful；Each is handed in the prior art simultaneously
Base station signal power ratio near path mouthful is relatively fixed, and signal transmitting is carried out generally according to power as big as possible, to prevent pipe
Local communication equipment lacks signal and causes situation about can not communicate to occur, and such emission mode, which can not be followed in region, to be led to
Believe the quantity of equipment and adaptively adjusted, necessarily cause the waste of base station resource.
In order to overcome above-mentioned deficiency, the present invention has built a kind of power distribution cabinet for base station Self Adaptive Control, improves existing
Traffic intersection power distribution cabinet structure, increase high accuracy, targetedly pedestrian's quantity identification equipment and Wireless Telecom Equipment with
Realize the identification of traffic intersection pedestrian's quantity and the determination of neighbouring reference signal transmit-receive intensity.
Fig. 1 is the block diagram of the power distribution cabinet for base station Self Adaptive Control according to embodiment of the present invention,
The power distribution cabinet includes water-proof type door, radiator structure, CMOS vision sensors and MSP430 single-chip microcomputers, CMOS visual sensings
Device is used to carry out image taking to traffic intersection to obtain high definition the image of crossing, and MSP430 single-chip microcomputers are used to be based on high definition crossing figure
As determining pedestrian's quantity at traffic intersection, and calculate the signal transmit-receive intensity of base station platform near traffic intersection, water-proof type door
Structure and radiator structure are all disposed within the cabinet of power distribution cabinet.
Then, continue to carry out further the concrete structure of the power distribution cabinet for base station Self Adaptive Control of the present invention
It is bright.
The power distribution cabinet includes：Power distribution cabinet main body, including cabinet, water-proof type door and radiator structure；Cabinet is using thick
Spend the cold-rolled steel sheet for 1.5 millimeters and there is stiffened panel and floor；Water-proof type door includes inside door, external door, door hinge, waterproof
Adhesive tape and door stop, external door use double-fold structure, for increasing the intensity on the side of external door four and strengthening water-proof function, door hinge
For 3 alloy hinges, for external door to be connected with cabinet.
Door stop is arranged on inside door, for realizing that the self-adapting locking of inside door is spacing when inside door is opened or closed,
Waterproof adhesive tape is arranged on external door madial wall；Radiator structure includes axial flow blower, steam vent, air admission hole and dustproof filter screen, axle stream
Blower fan is arranged on cabinet roof inner central position, and the exchange for accelerating gas inside and outside cabinet, steam vent is arranged on cabinet
Top, air admission hole is arranged on the lower section of cabinet, and dustproof filter screen is arranged on air admission hole.
The power distribution cabinet includes：Luminance sensor, is embedded on cabinet, for detecting ambient brightness, according to ambient brightness
It is determined that and exporting corresponding ambient light levels.
The power distribution cabinet includes：CMOS vision sensors, are embedded on cabinet, for being shot to traffic intersection, with
High definition the image of crossing is obtained, the resolution ratio of high definition the image of crossing is 3840 × 2160.
The power distribution cabinet includes：Mobile hard disk, is arranged in cabinet, for prestoring multiple Benchmark brightness crossings figure
Picture, each Benchmark brightness the image of crossing one ambient light levels of correspondence, each Benchmark brightness the image of crossing is in correspondence
CMOS vision sensors carry out what shooting in advance was obtained to traffic intersection under without any pedestrian's state under ambient light levels
Image, mobile hard disk is additionally operable to prestore preset difference value threshold value, aspect ratio range and symmetry scope, aspect ratio range for pair
Multiple benchmark pedestrian images carry out the scope counted after aspect ratio calculating, and symmetry scope is that multiple benchmark pedestrian images are carried out
The scope that symmetry is counted after calculating.
The power distribution cabinet includes：Foreground selection equipment, is arranged in cabinet, connects respectively with luminance sensor and mobile hard disk
Connect, the ambient light levels exported based on current time luminance sensor find corresponding Benchmark brightness crossing in mobile hard disk
Image is simultaneously exported as target background image.
The power distribution cabinet includes：Background complexity detection device, is arranged in cabinet, is connected with CMOS vision sensors,
For receiving high definition the image of crossing, and the severe degree of pixel color change in high definition the image of crossing is calculated to be used as background complicated
Degree output.
The power distribution cabinet includes：Moving region detection device, is arranged in cabinet, hard with CMOS vision sensors, movement
Disk, Foreground selection equipment and background complexity detection device are connected respectively, and the first weighted value and are determined based on background complexity
Two weighted values, the first weighted value and the second weighted value sum are 1, and background complexity is bigger, and the first weighted value is smaller, the second weight
Value is bigger, and high definition the image of crossing and the high definition crossing at next second of current time at current time are received by CMOS vision sensors
Image, respectively as the first high definition the image of crossing and the second high definition the image of crossing, by each picture of the first high definition the image of crossing
The gray value of element subtracts in the second high definition the image of crossing the gray value of the pixel of correspondence position and taken absolute value exhausted to obtain first
To value, the gray value of each pixel of the first high definition the image of crossing is subtracted into the pixel of correspondence position in target background image
Gray value simultaneously takes absolute value to obtain the second absolute value, and the first weighted value and the first absolute value are multiplied to obtain the first product, the
Two weighted values and the second absolute value are multiplied to obtain the second product, when the first product and the second product are all non-zero and the first product
When the absolute value of difference between the second product is less than preset difference value threshold value, the respective pixel of the first high definition the image of crossing is true
It is set to motion pixel, otherwise, the respective pixel of the first high definition the image of crossing is confirmed as static pixel, by the first high definition crossing figure
The image of all motion pixel compositions is exported as moving image as in, and moving image is made up of one or more moving regions.
The power distribution cabinet includes：Morphological image process equipment, is arranged in cabinet, connects with moving region detection device
Connect, carry out denoising to obtain denoising subgraph for receiving moving pictures, and to each moving region, fill up denoising
Image interior void simultaneously connects the breakpoint in denoising subgraph to obtain shaping subgraph, exports one or more shaping subgraphs
Picture.
The power distribution cabinet includes：Feature extracting device, is arranged in cabinet, is connected, carries with morphological image process equipment
Take the horizontal maximum number of pixels and longitudinal maximum number of pixels of each shaping subgraph, by longitudinal maximum number of pixels divided by
Horizontal maximum number of pixels calculates the symmetry of each shaping subgraph to obtain aspect ratio.
The power distribution cabinet includes：MSP430 single-chip microcomputers, are arranged in cabinet, distinguish with feature extracting device and mobile hard disk
Connection, the aspect ratio and symmetry of each shaping subgraph are compared with aspect ratio range and symmetry scope respectively,
When the aspect ratio of shaping subgraph falls in aspect ratio range and symmetry falls in symmetry scope, corresponding shaping subgraph
It is confirmed as pedestrian's subgraph, calculates the number of pedestrian's subgraph and exported as pedestrian's quantity.
The power distribution cabinet includes：Power distribution cabinet Wireless Telecom Equipment, is embedded on cabinet, is connected, connects with MSP430 single-chip microcomputers
Pedestrian's quantity is received, base station signal strength grade is determined based on pedestrian's quantity, and by wireless communication link by base station signal strength
Grade be sent near include the base station platform of base station communication interface, base station controller and multiple base station transceivers, so as to
The signal transmit-receive intensity of multiple base station transceivers is controlled based on base station signal strength grade in base station controller, pedestrian's quantity is got over
Many, base station signal strength bigger grade, and the signal transmit-receive intensity of base station transceiver is higher.
Alternatively, in the power distribution cabinet, in addition to：Connecting terminal block, is arranged in cabinet；MSP430 single-chip microcomputers are with connecing
Line terminals row's connection；Also include analog input interface, be arranged in cabinet；Analog input interface can include signal condition
Circuit, genlock circuit and analog to digital conversion circuit.
In addition, CMOS (Complementary Metal-Oxide-Semiconductor), Chinese scientific name is complementary metal
Oxide semiconductor, he is originally a kind of important chip in computer system, saves the most basic data of System guides.CMOS
Manufacturing technology and general computer chip do not have difference, mainly use what silicon and germanium both elements were made partly to lead
Body, makes it co-exist the semiconductor with N (band-electricity) and P (band+electricity) level, the electricity produced by the two complementary effects on CMOS
Stream, which can be processed, chip record and is interpreted to image.Found that CMOS can also be used as the figure in digital photography by processing later
As sensor.
For the portable use independently of power network, the CMOS technology famous with low power consumption characteristic is bright with one
Aobvious advantage：Cmos image sensor is designed for 5V and 3.3V supply voltages.And CCD chip then needs about 12V
Supply voltage, therefore have to using electric pressure converter, so as to cause power consumption to increase.In terms of total power consumption, control
Another benefit will be brought by being integrated into systemic-function in cmos sensor：He eliminates all outer with other semiconductor elements
Portion's connecting line.Nowadays the driver of its high power consumption has been abandoned, because the consumed energy that communicated in chip internal
It is more much lower than outside implementation by PCB or substrate.
Cmos sensor can also be subdivided into passive type element sensor (Passive Pixel Sensor CMOS) and active
Formula element sensor (Active Pixel Sensor CMOS).
Passive type element sensor (Passive Pixel Sensor, abbreviation PPS), is called passive type element sensor,
He is made up of the photodiode and a switching tube of a reverse bias.Photodiode is substantially one is partly led by p-type
The PN junction of body and N-type semiconductor composition, he can be equivalent to reverse bias diode and a mos capacitance parallel connection.When opening
When closing pipe unlatching, photodiode is connected with vertical alignment (Column bus).Charge integration positioned at alignment end amplifies
Device reading circuit (Charge integrating amplifier) holding column line voltage is a constant, when photodiode storage
Signal charge when being read, its voltage is reset to column line voltage level, at the same time, the electric charge being directly proportional to optical signal by
Charge integration amplifier is converted to electric charge output.
Active pixel sensor (Active Pixel Sensor, abbreviation APS), is called active element sensor.It is several
While CMOS PPS dot structures are invented, it is rapidly be recognized that buffer or amplifier are introduced in pixel to be changed
The performance of kind pixel, there is the amplifier of oneself in CMOS APS in each pixel.The amplifying transistor for being integrated in surface subtracts
Lack the effective surface area of pixel element, reduced " packaging density ", reflected 40%~50% incident light.This sensing
Another problem of device is that have preferable matching between the multi-channel amplifier for how making sensor, and this can be residual by reducing
The fixed pattern noise of remaining level is preferably realized.Quilt during only being read herein due to each amplifier in CMOS APS pixels
Excite, so CMOS APS power dissipation ratio ccd image sensor is also small.
, can not be with for prior art base station signal strength using the power distribution cabinet for base station Self Adaptive Control of the present invention
The technical problem being adjusted with service object's situation, using the power distribution cabinet of traffic intersection in the prior art as data acquisition platform,
By increasing the Self Adaptive Control of identification equipment and communication equipment completion to neighbouring base station signal strength in power distribution cabinet so that base
Signal intensity of standing can follow the change of compass of competency one skilled in the art's quantity and accordingly be changed.
Although it is understood that the present invention is disclosed as above with preferred embodiment, but above-described embodiment and being not used to
Limit the present invention.For any those skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible variations and modification are all made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of change.Therefore, every content without departing from technical solution of the present invention, the technical spirit pair according to the present invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments, still fall within the scope of technical solution of the present invention protection
It is interior.
Claims (2)
1. a kind of power distribution cabinet for base station Self Adaptive Control, the power distribution cabinet includes water-proof type door, radiator structure, CMOS
Vision sensor and MSP430 single-chip microcomputers, CMOS vision sensors are used to traffic intersection is carried out image taking to obtain high definition road
Mouth image, MSP430 single-chip microcomputers calculate traffic road for determining pedestrian's quantity at traffic intersection based on high definition the image of crossing
The signal transmit-receive intensity of base station platform near mouthful, water-proof type door and radiator structure are all disposed within the cabinet of power distribution cabinet.
2. power distribution cabinet as claimed in claim 1, it is characterised in that the power distribution cabinet includes：
Power distribution cabinet main body, including cabinet；
Cabinet use thickness for 1.5 millimeters cold-rolled steel sheet and with stiffened panel and floor；
Water-proof type door includes inside door, external door, door hinge, waterproof adhesive tape and door stop, and external door uses double-fold structure, uses
In increase external door four side intensity and strengthen water-proof function, door hinge is 3 alloy hinges, for external door to be connected with cabinet,
Door stop is arranged on inside door, for realizing that the self-adapting locking of inside door is spacing when inside door is opened or closed, waterproof adhesive tape
It is arranged on external door madial wall；
Radiator structure includes axial flow blower, steam vent, air admission hole and dustproof filter screen, during axial flow blower is arranged on the inside of cabinet roof
Position is entreated, the exchange for accelerating gas inside and outside cabinet, steam vent is arranged on the top of cabinet, and air admission hole is arranged under cabinet
Side, dustproof filter screen is arranged on air admission hole；
Luminance sensor, is embedded on cabinet, for detecting ambient brightness, is determined according to ambient brightness and exports corresponding environment
Brightness degree；
CMOS vision sensors, are embedded on cabinet, for being shot to traffic intersection, to obtain high definition the image of crossing, high
The resolution ratio of clear the image of crossing is 3840 × 2160；
Mobile hard disk, is arranged in cabinet, for prestoring multiple Benchmark brightness the image of crossing, each Benchmark brightness crossing
Image one ambient light levels of correspondence, each Benchmark brightness the image of crossing is the CMOS visions under correspondence ambient light levels
Sensor carries out the obtained image of shooting in advance to traffic intersection under without any pedestrian's state, and mobile hard disk is additionally operable in advance
Preset difference value threshold value, aspect ratio range and symmetry scope are stored, aspect ratio range is that multiple benchmark pedestrian images are indulged
The horizontal scope than being counted after calculating, symmetry scope is the model to being counted after the progress symmetry calculating of multiple benchmark pedestrian images
Enclose；
Foreground selection equipment, is arranged in cabinet, is connected respectively with luminance sensor and mobile hard disk, based on current time brightness
The ambient light levels of sensor output find corresponding Benchmark brightness the image of crossing and as target background in mobile hard disk
Image is exported；
Background complexity detection device, is arranged in cabinet, is connected with CMOS vision sensors, for receiving high definition crossing figure
Picture, and the severe degree of pixel color change in high definition the image of crossing is calculated to be used as the output of background complexity；
Moving region detection device, is arranged in cabinet, with CMOS vision sensors, mobile hard disk, Foreground selection equipment and the back of the body
Scape complexity detection device is connected respectively, and the first weighted value and the second weighted value, the first weighted value are determined based on background complexity
It is 1 with the second weighted value sum, background complexity is bigger, and the first weighted value is smaller, and the second weighted value is bigger, passes through CMOS visions
Sensor receives the high definition the image of crossing and the high definition the image of crossing at next second of current time at current time, high respectively as first
Clear the image of crossing and the second high definition the image of crossing, subtract second high by the gray value of each pixel of the first high definition the image of crossing
The gray value of the pixel of correspondence position and taken absolute value in clear the image of crossing to obtain the first absolute value, by the first high definition crossing figure
The gray value of each pixel of picture subtracts in target background image the gray value of the pixel of correspondence position and takes absolute value to obtain
The second absolute value is obtained, the first weighted value and the first absolute value are multiplied to obtain the first product, the second weighted value and the second absolute value
It is multiplied to obtain the second product, when the first product and the second product are all the differences between non-zero and the first product and the second product
Absolute value when being less than preset difference value threshold value, the respective pixel of the first high definition the image of crossing is confirmed as moving pixel, otherwise, the
The respective pixel of one high definition the image of crossing is confirmed as static pixel, by all motion pixel compositions in the first high definition the image of crossing
Image exported as moving image, moving image is made up of one or more moving regions；
Morphological image process equipment, is arranged in cabinet, is connected with moving region detection device, for receiving moving pictures,
And each moving region is carried out denoising to obtain denoising subgraph, fill up denoising subgraph interior void and connect and go
The breakpoint made an uproar in subgraph exports one or more shaping subgraphs to obtain shaping subgraph；
Feature extracting device, is arranged in cabinet, is connected with morphological image process equipment, extracts each shaping subgraph
Horizontal maximum number of pixels and longitudinal maximum number of pixels, by longitudinal maximum number of pixels divided by horizontal maximum number of pixels to obtain
Aspect ratio is obtained, and calculates the symmetry of each shaping subgraph；
MSP430 single-chip microcomputers, are arranged in cabinet, are connected respectively with feature extracting device and mobile hard disk, by each shaping
The aspect ratio and symmetry of image are compared with aspect ratio range and symmetry scope respectively, when the aspect ratio of shaping subgraph
Fall in aspect ratio range and symmetry fall in symmetry scope, corresponding shaping subgraph is confirmed as pedestrian's subgraph,
Calculate the number of pedestrian's subgraph and exported as pedestrian's quantity；
Power distribution cabinet Wireless Telecom Equipment, is embedded on cabinet, is connected with MSP430 single-chip microcomputers, pedestrian's quantity is received, based on pedestrian
Quantity determines base station signal strength grade, and by wireless communication link by base station signal strength grade be sent near, bag
The base station platform of base station communication interface, base station controller and multiple base station transceivers is included, in order to which base station controller is based on base
Signal strength scale of standing controls the signal transmit-receive intensity of multiple base station transceivers, and pedestrian's quantity is more, base station signal strength etc.
Level is bigger, and the signal transmit-receive intensity of base station transceiver is higher；
Wherein, the CMOS vision sensors be passive type element sensor, i.e. passive type element sensor, by one reversely partially
The photodiode put and a switching tube are constituted, and the photodiode is one and is made up of P-type semiconductor and N-type semiconductor
PN junction, can be equivalent to reverse bias diode and a mos capacitance parallel connection, when switching tube is opened, photosensitive two
Pole pipe is connected with vertical alignment, and the charge integration amplifier reading circuit positioned at alignment end keeps column line voltage to be one normal
Number, when the signal charge that photodiode stores is read, its voltage is reset to column line voltage level, at the same time, with
The electric charge that optical signal is directly proportional is converted to electric charge output by charge integration amplifier；
Connecting terminal block, is arranged in cabinet.
Analog input interface, is arranged in cabinet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710645378.0A CN107240870A (en) | 2016-02-04 | 2016-02-04 | A kind of power distribution cabinet for base station Self Adaptive Control |
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| CN201710645378.0A CN107240870A (en) | 2016-02-04 | 2016-02-04 | A kind of power distribution cabinet for base station Self Adaptive Control |
| CN201610083254.3A CN105633815B (en) | 2016-02-04 | 2016-02-04 | One kind is used for base station self-adaptation control method |
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| CN106437469B (en) * | 2016-08-31 | 2018-01-05 | 宁波法米莱美妆工具有限公司 | A kind of windowing mode control method based on sand-dust particulates detection |
| CN107231572B (en) * | 2017-01-16 | 2018-05-22 | 宁皓 | Include the vehicle of the trusted computer system based on cloud framework |
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| CN105633815A (en) | 2016-06-01 |
| CN105633815B (en) | 2017-11-17 |
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Application publication date: 20171010 |