CN109274935A - A kind of camera meter reading device and meter register method - Google Patents
A kind of camera meter reading device and meter register method Download PDFInfo
- Publication number
- CN109274935A CN109274935A CN201811081436.2A CN201811081436A CN109274935A CN 109274935 A CN109274935 A CN 109274935A CN 201811081436 A CN201811081436 A CN 201811081436A CN 109274935 A CN109274935 A CN 109274935A
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- meter
- reading
- main control
- dial plate
- control board
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V2201/00—Indexing scheme relating to image or video recognition or understanding
- G06V2201/02—Recognising information on displays, dials, clocks
Abstract
The invention discloses a kind of camera meter reading device and meter register methods, device includes main control board, photographic device, cover, sender unit, signal receiving device and diaphragm seal, main control board is arranged in cover, cover includes pedestal and the form that portion on the base is arranged, diaphragm seal is mounted between water meter dial plate and cover, and diaphragm seal includes isolation channel and spacer；Photographic device is arranged on main control board, sender unit is arranged inside water meter dial plate, for replacing the smallest pointer of numerical digit in dial plate, the surface of sender unit is equipped with sender unit, it is of coupled connections between sender unit and signal receiving device, photographic device and signal receiving device are connect with main control board respectively, and main control board includes microprocessor, communication module and image processor；Its effect is: accurate instantaneous flow and integrated flow is provided, so that the characteristic of water use for analysis resident lays the foundation.
Description
Technical field
The present invention relates to reading technique fields, and in particular to a kind of camera meter reading device and meter register method.
Background technique
Existing smart meter reading technology mainly has accumulated pulse method and position encoded method, these methods can realize table tool reading
Acquisition, but the device based on these methods all has a single function, and all there are data and table tool mechanical reading is inconsistent
It may.
Such as often having the case where losing pulse in impulse method practical application, the position encoded certain states of method will appear coding and turn
Mistake is changed, and the data user of these mistakes can not know mistake, these wrong data may form pay demand note and arrive
Mistake could be found when in user hand, so as to cause some user's disputes.
There are also position encoded methods and imaging identification method due to being direct-reading mode, only acquires integrated flow, can not provide instantaneous
Flow.
Although impulse method is capable of providing instantaneous flow, but integrated flow will be reset if power down, and in addition impulse method is held
It vulnerable to interference, is also easy to lose pulse, causes metering inaccurate and can not know whether data malfunction.
Summary of the invention
The object of the present invention is to provide a kind of camera meter reading device that can provide accurate instantaneous flow and integrated flow and
Meter register method.
First aspect: a kind of camera meter reading device, including main control board, photographic device and cover further include signal hair
Injection device, signal receiving device and diaphragm seal, the main control board are arranged in the cover, and the cover is in transparent
Shell structures are mounted on the top of water meter dial plate comprising pedestal and the top that the pedestal is arranged in are used to observe dial plate
The form of reading, the diaphragm seal are to be mounted on structural body transparent between water meter dial plate and the cover, which includes
It is sticked on water meter dial plate groove and with water meter dial plate groove type at the isolation channel of confining bed and along isolation channel upper edge water
Put down outwardly extending spacer；The photographic device is arranged on the main control board, for shooting dial reading, the letter
Number emitter is arranged inside water meter dial plate, for replacing the smallest pointer of numerical digit in dial plate, the sender unit
Surface is equipped with the signal receiving device, is of coupled connections between the sender unit and signal receiving device, to signal
The circle number of emitter rotation is counted, and the photographic device and signal receiving device connect with the main control board respectively
It connects, the main control board includes microprocessor, communication module and image processor.
Preferably, a kind of camera meter reading device further includes the clip being removably mounted on water meter dial plate outer wall,
Several clamp connection holes are evenly arranged on the clip excircle, the pedestal lower edge extends to form several horizontally outward
A pedestal connecting hole corresponding with the clamp connection hole, the cover are connected by passing through the pedestal connecting hole and the clip
The combined screw for connecing hole is fixed on water meter.
Preferably, several raised bands are evenly distributed on the inner wall of the clip, each raised band is along the clip
Axial progressive additive from the bottom to top.
Preferably, a kind of camera meter reading device, further includes sealing ring, and the sealing ring is folded in the diaphragm seal
Between the pedestal.
Preferably, the sealing ring corresponds to the pedestal connecting hole and offers sealing ring connecting hole, and the sealing ring passes through
It is close to wear the pedestal connecting hole, sealing ring connecting hole, the spacer connecting hole and the screw combination in the clamp connection hole
Envelope connection.
Preferably, the photographic device is mounted on the lower middle position of the main control board, the photographic device
Camera lens is towards the dial reading.
Preferably, the horizontal plane of the form and the pedestal is at 40 ° -50 ° of angle.
Preferably, the sender unit uses magnet steel.
Preferably, a kind of camera meter reading device, further includes spacer, and the spacer is arranged in the Water meter
Between disk and diaphragm seal.
Second aspect: a kind of meter register method is applied to a kind of kilowatt meter reading-out system, and the kilowatt meter reading-out system includes above-mentioned first aspect
A kind of described camera meter reading device and data center, which comprises
The reading image of photographic device acquisition water meter；
Image processor handles to obtain digital picture the reading image；
The digital picture is sent to the identification model being previously provided with and identified by microprocessor, to obtain the first identification
Data；
Turn signal of the signal receiving device in response to sender unit, sender unit per revolution, signal
Reception device output one counts pulse；
Microprocessor is calculated according to the number for counting pulse and the radix being previously provided with, instantaneously to be flowed
Amount, and data of water meter is obtained according to the first identification data and instantaneous flow；
The data of water meter is sent to the data center of distal end by communication module.
Preferably, described image processor handles to obtain digital picture and specifically include the reading image:
Image gray processing, geometric transformation, image enhancement, filtering and binary conversion treatment are used to reading image first, then
The character wheel that instrument is obtained using the method for image cut, using the picture with instrument character wheel as the digital picture.
Preferably, the method also includes:
When reaching the preset set time, the reading image that microprocessor triggering photographic device shoots current water meter is gone forward side by side
Row identifying processing is to obtain current data；
Current data is verified with the integrated flow obtained, replaces with integrated flow currently not if if verification
Data, and send a warning message to the terminal device of maintenance personnel.
Preferably, the method also includes:
Data establish the daily curves for water use of user based on the received for data center, and obtain user in the use of different periods
Water is sent on prompting message to the intelligent terminal of user if the water consumption of a certain period is more than preset value.
By adopting the above technical scheme, a kind of camera meter reading device and meter register method proposed by the present invention are had the advantage that,
The smallest pointer of numerical digit in dial plate is replaced by the sender unit being equipped with, when with water, drives sender unit rotation, letter
Number reception device counts the circle number of rotation according to movement of its rotation, passes through the processing of microprocessor on main control board
The dial plate data for obtaining instantaneous flow, while obtaining with photographic device, image processor and microprocessor carry out that water is calculated
The integrated flow of table, and the communication module by being equipped with externally sends instantaneous flow and integrated flow, consequently facilitating providing quasi-
True urbanite water consumption data.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the method schematic diagram in the embodiment of the present invention.
Specific embodiment
In order to keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and
Specific embodiment is described in detail, and the following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Shown in referring to Fig.1, a kind of camera meter reading device, including main control board 10, photographic device 20, diaphragm seal 40, cover
Body 50, sender unit 82, signal receiving device 90, the main control board 10 are arranged in the cover 50, the cover
Body 50 is transparent hollow shell-like structure, is mounted on the top of water meter dial plate comprising pedestal 51 and setting are in the pedestal 51
Top be used to observe the form 52 of dial reading 81, the diaphragm seal 40 is to be mounted between water meter dial plate and the cover 50
Transparent structural body, the diaphragm seal 40 include be sticked on water meter dial plate groove and with water meter dial plate groove type at confining bed every
From slot 41 and the spacer 42 extended horizontally outward along the isolation channel upper edge；The photographic device 20 is arranged in the master control
On circuit board 10, for shooting dial reading 81, the sender unit 82 is arranged inside water meter dial plate, is used for substitution table
The surface of the smallest pointer of numerical digit in disk, the sender unit 82 is equipped with the signal receiving device 90, the signal
It is of coupled connections between emitter 82 and signal receiving device 90, the circle number rotated to sender unit 82 counts, institute
It states photographic device 20 and signal receiving device 90 to connect with the main control board 10 respectively, the main control board 10 includes
Microprocessor, communication module and image processor.
Specifically, in application, the main control board 10 uses pcb board, pcb board is equipped with connecting terminal, connecting terminal
Including communication interface, switch interface, analog interface and power interface, connector 91 that signal receiving device 90 is equipped with
Main control board connects, and power module 30 is additionally provided on main control board 10, and the power module 30 is used to be each electrical equipment
Power supply is provided, battery power supply can be used, it can also be herein and unlimited in such a way that the power interface being equipped with is using external power supply
System, it will be understood by those skilled in the art that photographic device 20 uses camera, magnet steel is can be used in sender unit 82, by magnetic
Steel replaces the smallest pointer of numerical digit in dial plate, that is to say, that when useful water happens, sender unit 82, which will do it, to be turned
Dynamic, Hall sensor can be used in signal receiving device 90, and in this way in sender unit per revolution, Hall sensor is just
A pulse can be exported, be equivalent to for its rotation circle counting number, the flow of every revolution be it is fixed, therefore, pass through master control electricity
The processing of microprocessor obtains instantaneous flow, while the table obtained with photographic device, image processor and microprocessor on the plate of road
Disk data carry out the integrated flow that water meter is calculated, and the communication module by being equipped with is external by instantaneous flow and integrated flow
It sends, consequently facilitating providing accurate urbanite water consumption data, diaphragm seal 40, which is in addition arranged, ensure that water meter dial plate is in a ratio
More closed space on water meter dial plate and influences the clarity of dial reading to prevent water vapour to be adsorbed on.
Further, the photographic device 20 is mounted on the lower middle position of the main control board 10, the camera shooting
The camera lens of device is towards the dial reading.In application, camera uses miniature webcam, camera lens is conducive to standard towards dial plate
The true dial reading for taking water meter.
Further, in the present embodiment, the horizontal plane of form 52 and pedestal 51 can solve in this way at 40 ° -50 ° of angle
Certainly neighbouring two water meters 80 apart from it is shorter when can not manually read lower section dial reading 81 the problem of, to read dial reading
81 bring convenience.
Further, as shown in Figure 1, the camera meter reading device further includes the card being removably mounted on water meter dial plate outer wall
60 are bound round, is evenly arranged with several clamp connection holes 61 on 60 excircle of clip, 51 lower edge of pedestal extends to form horizontally outward
Several pedestal connecting holes 511 corresponding with clamp connection hole 61, cover 50 is by passing through pedestal connecting hole 511 and clamp connection
The combined screw in hole 61 is fixed on water meter, and several raised bands 62, each protrusion are evenly distributed on the inner wall of the clip 60
Band 62 is along the axial progressive additive from the bottom to top of clip 60.By the way that clip 60 is arranged, convenient for camera meter reading device is quick installed at
On water meter 80, while improving the stability of camera meter reading device.
As shown in Figure 1, corresponding to clamp connection hole 61 on the edge of spacer 42 opens up spacer connecting hole 43, diaphragm seal 40
Combined screw by wearing pedestal connecting hole 511, spacer connecting hole 43 and clamp connection hole 61 is fixed.
As shown in Figure 1, the camera meter reading device further includes sealing ring 70, sealing ring 70 is folded in diaphragm seal 40 and pedestal 51
Between.The corresponding pedestal connecting hole 511 of sealing ring 70 offers sealing ring connecting hole 71, and sealing ring 70 is by wearing pedestal connecting hole
511, the screw combination of sealing ring connecting hole 71, spacer connecting hole 43 and clamp connection hole 61 is tightly connected.Sealing ring is set
70 can provide a closed space to main control board 10 and camera 20, corrode master control to prevent water vapour from entering in cover 50
Circuit board 10 and camera 20 prolong its service life to ensure that the normal work of camera meter reading device.
Further, in order to preferably be conducive to apply in complex environment, described one kind, which has, detects small traffic engineering capability
Camera meter reading device, further include spacer 100, the spacer 100 is arranged between the water meter dial plate and diaphragm seal 40,
The size of the spacer 100 is adapted with the size of 41 bottom of isolation channel, to improve its using effect.
As shown in Fig. 2, a kind of meter register method, is applied to a kind of kilowatt meter reading-out system, the kilowatt meter reading-out system includes described above
A kind of camera meter reading device, data center and the multiple sensors being arranged on pipeline, which comprises
S101, photographic device obtain the reading image of water meter；
In particular it is required that camera takes pictures to the character wheel region on water meter dial plate, and acquisition is worked as when carrying out remote meter reading
Preceding reading image.
S102, image processor handle to obtain digital picture the reading image；
Specifically, image processor pre-processes reading image, comprising: uses image grayscale to reading image first
Then change, geometric transformation, image enhancement, filtering and binary conversion treatment obtain the character wheel of instrument using the method for image cut, will
Picture with instrument character wheel is as the digital picture, in this way conducive to the processing of subsequent step and raising dial plate data identification
Accuracy rate；One in component method, maximum value process, mean value method and weighted mean method can be used in image gray processing processing
Kind, geometric transformation passes through the processing modes such as translation, transposition, mirror image, rotation and scaling.
The digital picture is sent to the identification model being previously provided with and identified by S103, microprocessor, to obtain
One identification data；
Specifically, the number by trained 0 to 9 is stored in identification model, training process is regarded similar to machine
Character training (it will be understood by those skilled in the art that details are not described herein) in feel, to identify the number in each unit
Word, microprocessor obtain the data on dial plate after calculating.
S104, turn signal of the signal receiving device in response to sender unit, sender unit per revolution,
Signal receiving device output one counts pulse；
Specifically, magnet steel can be used in sender unit, and magnet steel is replaced the smallest pointer of numerical digit in dial plate, that is,
It says, when useful water happens, sender unit will do it rotation, and Hall sensor can be used in signal receiving device, this
For sample in sender unit per revolution, Hall sensor will export a pulse, be equivalent to the circle number meter for its rotation
Number.
S105, microprocessor is calculated according to the number for counting pulse and the radix being previously provided with, to obtain wink
Shi Liuliang, and identify that data and instantaneous flow obtain the integrated flow of water meter according to described first；
Specifically, the flow of every revolution is fixed, and the flow to turn around is one liter of water, and microcontroller is according to rotation
Number is enclosed, to calculate instantaneous flow, the integrated flow of water meter is obtained after the data of the two are combined.
The instantaneous flow and integrated flow are sent to the data center of distal end by S106, communication module.
Specifically, instantaneous flow and integrated flow are sent to data in a manner of wirelessly or non-wirelessly communicating by communication module
Center provides accurate instantaneous flow and integrated flow to realize.
By the use of the above method, it can be achieved that being detected to instantaneous flow, and in use, carried out with camera method
In conjunction with, can only carry out it is a small amount of take pictures, it is subsequent to be added up by the instantaneous flow of detection, to overcome the prior art
In, it is generated to realize power problems when needing constantly by shooting to obtain data.
Further, the method also includes:
When reaching the preset set time, the reading image that microprocessor triggering photographic device shoots current water meter is gone forward side by side
Row identifying processing is to obtain current data；
Current data is verified with the integrated flow obtained, replaces with integrated flow currently not if if verification
Data, and send a warning message to the terminal device of maintenance personnel.
Specifically, show that the method and step of current data is identical as the aforementioned process for obtaining the first identification data, herein not
It repeats again, the set time can be daily 12 points or 0 point, and the standard of verification is difference in preset error range
It is interior, it carries out data replacement and is conducive to correct a mistake promptly, send a warning message to the terminal device of maintenance personnel, be conducive to relevant people
Member carries out equipment in time and checks, carries out desk checking.
Further, the method also includes:
Data establish the daily curves for water use of user based on the received for data center, and obtain user in the use of different periods
Water is sent on prompting message to the intelligent terminal of user if the water consumption of a certain period is more than preset value.
Specifically, received data include that instantaneous and integrated flow, data center are stored with the historical record of curves for water use,
The period can be divided with regimen condition according to division period when being spaced fixed or according to the time that user cooks to every day,
If the water consumption of a certain period is more than preset value, send on prompting message to the intelligent terminal of user, preset value can be according to one
As urbanite water consumption situation set, correlation experience value can also be used, herein with no restrictions, by send prompting message, be convenient for
User has checked whether water leakage situation in time or has forgotten the case where turning off the switch；Such as water is used in late-late period, detection
Amount is more than peak water number or the variation for always existing prolonged small flow.
Further, the method also includes:
The acoustic signals of sensor collection tube road；
Microprocessor calculates received acoustic signals to obtain the location information of leakage point；
The location information is sent to the data center of distal end by communication module.
Specifically, the function of leak water detdction has been also equipped with while realizing function noted earlier using the above method,
To more application value, convenient for taking in treatment measures, especially household water leakage situation the leakage point of appearance in time, mostly
Again with small flow leak the case where, is in the majority.
Further, the microprocessor calculates received acoustic signals to obtain the location information of leakage point and adopt
With following formula: LX=(L-V*Td)/2；Wherein, Td is the time difference that leak acoustic signals travel to different sensors, L two
Duct length between sensor, V are the spread speed of acoustic signals in the duct, and LX is the position of leakage point.
Specifically, sensor can be used water and listen sensor, when according to pipe leakage, go out to generate leak sound wave in leak,
And the principle propagated by duct orientation, it is convenient for during carrying out meter reading in this way, while finding leak, moreover it is possible to relatively more accurate
Find leakage point, reduce water resource waste.
Finally, it should be noted that foregoing description is only a specific embodiment of the invention, but protection scope of the present invention
It is not limited thereto, anyone skilled in the art in the technical scope disclosed by the present invention, can readily occur in
Change or replacement, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of camera meter reading device, including main control board, photographic device and cover, which is characterized in that further include signal hair
Injection device, signal receiving device and diaphragm seal, the main control board are arranged in the cover, and the cover is in transparent
Shell structures are mounted on the top of water meter dial plate comprising pedestal and the top that the pedestal is arranged in are used to observe dial plate
The form of reading, the diaphragm seal are to be mounted on structural body transparent between water meter dial plate and the cover, which includes
It is sticked on water meter dial plate groove and with water meter dial plate groove type at the isolation channel of confining bed and along isolation channel upper edge water
Put down outwardly extending spacer；The photographic device is arranged on the main control board, for shooting dial reading, the letter
Number emitter is arranged inside water meter dial plate, for replacing the smallest pointer of numerical digit in dial plate, the sender unit
Surface is equipped with the signal receiving device, is of coupled connections between the sender unit and signal receiving device, to signal
The circle number of emitter rotation is counted, and the photographic device and signal receiving device connect with the main control board respectively
It connects, the main control board includes microprocessor, communication module and image processor.
2. a kind of camera meter reading device according to claim 1, which is characterized in that further include being removably mounted at Water meter
Clip on disk outer wall, several clamp connection holes are evenly arranged on the clip excircle, and the pedestal lower edge is horizontal
Several pedestal connecting holes corresponding with the clamp connection hole are extended outward to form, the cover connects by passing through the pedestal
The combined screw for connecing hole and the clamp connection hole is fixed on water meter.
3. a kind of camera meter reading device according to claim 2, which is characterized in that be uniformly distributed on the inner wall of the clip
There are several raised bands, each raised band is along the axial progressive additive from the bottom to top of the clip.
4. a kind of camera meter reading device according to claim 1, which is characterized in that the photographic device is mounted on the master
Control the lower middle position of circuit board, the camera lens of the photographic device is towards the dial reading.
5. a kind of camera meter reading device according to claim 1, which is characterized in that the sender unit uses magnetic
Steel.
6. a kind of meter register method, which is characterized in that be applied to a kind of kilowatt meter reading-out system, the kilowatt meter reading-out system includes the claims
A kind of any described camera meter reading device and data center in 1 to 5, which comprises
The reading image of photographic device acquisition water meter；
Image processor handles to obtain digital picture the reading image；
The digital picture is sent to the identification model being previously provided with and identified by microprocessor, to obtain the first identification number
According to；
Turn signal of the signal receiving device in response to sender unit, sender unit per revolution, signal receive
Device output one counts pulse；
Microprocessor is calculated according to the number for counting pulse and the radix being previously provided with, to obtain instantaneous flow, and
The integrated flow of water meter is obtained according to the first identification data and instantaneous flow；
The instantaneous flow and integrated flow are sent to the data center of distal end by communication module.
7. a kind of meter register method according to claim 6, which is characterized in that described image processor is to the reading image
It is handled to obtain digital picture and specifically include:
Image gray processing, geometric transformation, image enhancement, filtering and binary conversion treatment are used to reading image first, then used
The method of image cut obtains the character wheel of instrument, using the picture with instrument character wheel as the digital picture.
8. a kind of meter register method according to claim 6, which is characterized in that the method also includes:
When reaching the preset set time, microprocessor triggering photographic device shoots the reading image of current water meter and is known
It manages to obtain current data in other places；
Current data is verified with the integrated flow obtained, integrated flow is not replaced with into current number if if verification
According to, and send a warning message to the terminal device of maintenance personnel.
9. a kind of meter register method according to claim 6, which is characterized in that the method also includes:
Data establish the daily curves for water use of user based on the received for data center, and show that user uses water in different periods
Amount is sent on prompting message to the intelligent terminal of user if the water consumption of a certain period is more than preset value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811081436.2A CN109274935A (en) | 2018-09-17 | 2018-09-17 | A kind of camera meter reading device and meter register method |
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| CN201811081436.2A CN109274935A (en) | 2018-09-17 | 2018-09-17 | A kind of camera meter reading device and meter register method |
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| CN111340018A (en) * | 2020-05-18 | 2020-06-26 | 南昌冠东科技有限公司 | Meter reading system and method using sensor |
| CN114979820A (en) * | 2022-04-15 | 2022-08-30 | 深圳市安卫普科技有限公司 | Intelligent meter reading device, remote meter reading method and system |
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| CN111340018A (en) * | 2020-05-18 | 2020-06-26 | 南昌冠东科技有限公司 | Meter reading system and method using sensor |
| CN111340018B (en) * | 2020-05-18 | 2020-09-04 | 安徽东寻信息科技有限公司 | Meter reading system and method using sensor |
| CN114979820A (en) * | 2022-04-15 | 2022-08-30 | 深圳市安卫普科技有限公司 | Intelligent meter reading device, remote meter reading method and system |
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