CN107517337A - A kind of Homeplug transmitting, monitoring video camera - Google Patents
A kind of Homeplug transmitting, monitoring video camera Download PDFInfo
- Publication number
- CN107517337A CN107517337A CN201710742693.5A CN201710742693A CN107517337A CN 107517337 A CN107517337 A CN 107517337A CN 201710742693 A CN201710742693 A CN 201710742693A CN 107517337 A CN107517337 A CN 107517337A
- Authority
- CN
- China
- Prior art keywords
- slip ring
- video camera
- homeplug
- plc
- transmitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- 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
Abstract
The invention discloses a kind of Homeplug transmitting, monitoring video camera,PLC,Shell,Shake axis,Base portion,Sensor and pitching motor,I/O interface A is installed below PLC,Communication extension modules A and communication extension module B are disposed with the right side of PLC,I/O expansion module is connected with the right side of communication extension module B,Annular rocking gear is fixed with hollow cylindrical core,Through hole is provided with the middle part of hollow cylindrical core,Electrical interface is installed inside base portion,Enclosure is fixed with housing,Enclosure interior is provided with sensor,Sensor external is provided with window,Annular bearing seal and bearing seal are installed between base portion and housing,Pitching motor is attached on planomural,Conductor A is connected between electrical interface and slip ring stator,Inner fovea part is provided with below pitching motor,The present invention improves message transmission rate,Expand network coverage,Add attachable expanded mode block number,It is flexible to monitor angle,Clear data,The visual field is broader.
Description
Technical field
The present invention relates to PLC technology field, specially a kind of Homeplug transmitting, monitoring video camera.
Background technology
In present industry spot application, PLC is all based on wired mode and carries out I/O expansion, passes through bus backplane, extension
Module is attached with CPU module, the number for the expansion module that the length limitation of core bus can connect in certain space
Amount, its maintenance and repair is also considerably complicated after wired extensions, because core bus with connector needs to connect by metal stitch
Connect, cause message transmission rate to be limited, the application of core bus and connector causes outside the locality connection of PLC and expansion module
Dew, deteriorate PLC EMC characteristics corresponding with expansion module, monitored video camera system is generally used for retail shop, bank, public place of entertainment
Wait to monitor the action in given area, traditional shake Tilt Zoom type CCTV camera is only capable of clapping in any preset time
The fraction in field may entirely be shot by taking the photograph, by that can not be connected using Tilt Zoom type video camera is shaken by personnel or policing algorithm
The continuous whole room of monitoring, therefore we make improvement to this, propose a kind of Homeplug transmitting, monitoring video camera.
The content of the invention
It is an object of the invention to provide a kind of Homeplug transmitting, monitoring video camera, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides following technical scheme：A kind of Homeplug transmitting, monitoring video camera, including
PLC, shell, axis, base portion, sensor and pitching motor are shaken, be provided with the right side of I/O interface A, PLC and set gradually below PLC
There are communication extension modules A and communication extension module B, I/O expansion module, communication extension module are connected with the right side of communication extension module B
Communication interface A is installed inside A, communication interface B is installed inside communication extension module B, IO is provided with below I/O expansion module
Interface B, shake axis both sides and be symmetrically arranged with hollow cylindrical core, annular rocking gear is fixed with hollow cylindrical core, in
Empty cylindrical core both sides are provided with slip ring stator and slip ring, and through hole is provided with the middle part of hollow cylindrical core, is installed inside base portion
Have an electrical interface, enclosure is fixed with housing, and enclosure interior is provided with sensor, and sensor external is provided with window, base portion and
Annular bearing seal and bearing seal are installed between housing, are provided with planomural on the inside of shell, pitching motor is attached at flat
On wall, little gear is provided with the right side of pitching motor, conductor A is connected between electrical interface and slip ring stator, is set below pitching motor
It is equipped with inner fovea part.
Preferably, slip ring is made up of slip-ring rotor and slip ring stator, and slip-ring rotor is attached to housing and determined with slip ring
Connected and coordinated by bearing between son, bearing is cooperated to maintain the fixed range and phase between slip-ring rotor and slip ring stator
To aligning, and slip-ring rotor is also enabled to be rotated with the frictional force of limited extent relative to slip ring stator around axis is shaken
Or shake.
Preferably, slip ring stator is regularly attached or is fastened to the outer surface of hollow cylindrical core, is set on slip ring stator
Annular dynamic electrical contact element is equipped with, contact element can equably be spaced vertically along slip-ring rotor, and can match slip ring
Stator.
Preferably, conductor C is connected between electrical interface and sensor, sensor is wide area type, is surrounded by fixed station
Frame, wide area type sensor provides the overall input that can be observed respectively from the image of video camera, from wide area type sensor
Image can be incorporated into camera review or be complemented at camera review and be observed.
Preferably, shell includes outer buttress, two opposite side walls and two opposite end walls, and end wall can have through hole
Or transparent window, video camera can catch image by the through hole or transparent window.
Preferably, I/O expansion module, communication extension modules A, between communication extension module B and PLC be wireless connection side
Formula is connected, and has the interconnection of other expansion modules of the expansion module wireless connection of radio communication function or extension, and increase PLC can be connected
Expansion module quantity, expand network coverage.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention has by setting radio connections of the PLC with expansion module using near-field communication NFC or ultra wide band UWB
The structure for imitating the wired mode connection PLC to break traditions and expansion module limits, and assigning the great flexibility of user can with equipment
Maintainability, message transmission rate is improved, expand network coverage, added attachable expanded mode block number, avoid
EMC characteristics caused by the wired connection of PLC and expansion module deteriorate.
2nd, the present invention can catch the wide angle picture in the visual field below sensor, sense by setting wide area type sensor
The visual field of device is in the range of the hemisphere arc of about 180 degree, and the scope can be defined as the space below plane, by sensing
The image that device is caught can be by the image processing algorithm analysis in the controller of external equipment or by can be on a video monitor
Observation catches operator's analysis of image, and in the case where implementing building or building safety measure, algorithm or operator can be with
Determine whether effractor or other mobile objects appear in and catch in image.
Brief description of the drawings
Fig. 1 is integrated testability cross-sectional view of the present invention；
Fig. 2 is the cross sectional side structural representation of fixed rack of the present invention；
Fig. 3 is the bottom view of monitor camera device of the present invention.
In figure：1-PLC；2-IO interfaces A；3- communication extension modules As；4- communication interfaces A；5- communication extension modules B；6- leads to
Believe interface B；7-IO interfaces B；8-IO expansion modules；9- shells；10- annular bearings seals；11- annular rocking gears；12- axles
Hold；13- through holes；14- shakes axis；15- conductors A；16- base portions；17- electrical interfaces；18- hollow cylindrical cores；19- slip rings are determined
Son；20- contact elements；21- slip rings；22- ring-type end walls；23- slip-ring rotors；24- windows；25- sensors；26- conductors C；27-
Bearing seal；28- end walls；29- inner fovea parts；30- conductors B；31- little gears；32- pitching motors, 33- side walls；34- housings；
35- external annulus；36- planomurals；The outer buttress of 37-；38- fixed racks.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：A kind of Homeplug transmitting, monitoring video camera, including PLC1,
Shell 9, axis 14, base portion 16, sensor 25 and pitching motor 32 are shaken, be provided with below PLC1 on the right side of I/O interface A2, PLC1
Communication extension modules A 3 and communication extension module B5 are disposed with, I/O expansion module 8 is connected with the right side of communication extension module B5,
Communication interface A4 is installed inside communication extension modules A 3, communication interface B6, I/O expansion are installed inside communication extension module B5
The lower section of module 8 is provided with I/O interface B7, shakes the both sides of axis 14 and is symmetrically arranged with hollow cylindrical core 18, hollow cylindrical core 18
On be fixed with annular rocking gear 11, the both sides of hollow cylindrical core 18 are provided with slip ring stator 19 and slip ring 21, hollow barrel-type
The middle part of core body 18 is provided with through hole 13, and electrical interface 17 is provided with inside base portion 16, housing 34, housing 34 are fixed with inside shell 9
Inside is provided with sensor 25, and window 24 is provided with outside sensor 25, annular bearing is provided between base portion 16 and housing 34
Seal 10 and bearing seal 27, the inner side of shell 9 are provided with planomural 36, and pitching motor 32 is attached on planomural 36, pitching electricity
The right side of machine 32 is provided with little gear 31, and conductor A15 is connected between electrical interface 17 and slip ring stator 19, and the lower section of pitching motor 32 is set
It is equipped with inner fovea part 29.
Slip ring 21 is made up of slip-ring rotor 23 and slip ring stator 19, and slip-ring rotor 23 is attached to housing 34 and and slip ring
Connected and coordinated by bearing 12 between stator 19, bearing 12 is cooperated to maintain between slip-ring rotor 23 and slip ring stator 19
Fixed range and it is relative align, and also enable slip-ring rotor 23 with the frictional force of limited extent relative to slip ring stator 19
Rotate or shake around shake axis 22, slip ring stator 19 is regularly attached or be fastened to the appearance of hollow cylindrical core 18
Face, annular dynamic electrical contact element 20 is provided with slip ring stator 19, contact element 20 can equably erect along slip-ring rotor 23
Directly separate, and slip ring stator 19 can be matched, conductor C26 is connected between electrical interface 17 and sensor 25, sensor 25 is
Wide area type, is surrounded by fixed rack 38, and wide area type sensor 25 provides what can be observed respectively from the image of video camera
Overall input, the image from wide area type sensor 25 can be incorporated into camera review or be complemented at camera review and be seen
Examine, shell 34 includes outer 37, two opposite side walls 33 of buttress and two opposite end walls 28, and end wall 28 there can be through hole 13
Or transparent window 24, video camera can catch image, I/O expansion module 8, communication extension mould by through hole 13 or transparent window 24
It is radio connection connection between block A3, communication extension module B5 and PLC1, the expansion module with radio communication function
The interconnection of other expansion modules of wireless connection or extension, increase the quantity of the attachable expansion modules of PLC1, expand the network coverage
Scope
Operation principle：After the present invention establishes configuration by expansion module and host computer, expansion module is set by host computer
Parameter, expansion module is set normally to be interacted with PLC1, expansion module is connected and communicated with PLC1 using wireless mode, backboard
Bus no longer needs to be connected by metal stitch with connector, therefore the message transmission rate of expansion module is unrestricted, PLC1
Control instruction is sent to expansion module 2, when corresponding expansion module is not found, PLC1, which is sent, seeks footpath signal, is sought the expansion in footpath
Exhibition module is received and responded when seeking footpath signal, and is established and communicate with PLC1, therefore, both realized PLC1 and expansion module 2 it
Between high speed data transfer, solve expansion module address distribution inaccuracy in configuration again and lead to not the control that receives PLC1
The problem of instruction, it is OFDM power line communications that transmission method, which is based on, under the differential modulation pattern of zero passage slot transmission, by described in
Frame synchronizing signal is configured to the phase shift for having pi/2 relative to the positive symbol, under the associated modulation pattern of zero passage slot transmission,
The frame synchronizing signal is configured to have relative to the positive symbol to the-phase shift of pi/2, or, in the zero passage slot transmission
Differential modulation pattern under, the frame synchronizing signal is configured to have relative to the positive symbol to the-phase shift of pi/2, in zero passage
Under the associated modulation pattern of slot transmission, phase shift that the frame synchronizing signal is configured to have pi/2 relative to the positive symbol,
Wide area type sensor 25 is electrically connected to outside electric controller by electric conductor, and can be supplied to sensor signal automatically controlled
Device processed, sensor signal can be delivered to electric controller via conductor 26 and electrical interface 17 from sensor 25, and electric controller is again
Signal is established without expansion module wireless connection, finally transmitted to video to PLC1, PLC1 by OFDM line communication transmissions
Monitor.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of Homeplug transmitting, monitoring video camera, including PLC（1）, shell（9）, shake axis（14）, base portion（16）, sensing
Device（25）And pitching motor（32）, it is characterised in that：PLC（1）Lower section is provided with I/O interface A（2）, PLC（1）Right side is set gradually
There is communication extension modules A（3）With communication extension module B（5）, communication extension module B（5）Right side is connected with I/O expansion module（8）,
Communication extension modules A（3）Inside is provided with communication interface A（4）, communication extension module B（5）Inside is provided with communication interface B
（6）, I/O expansion module（8）Lower section is provided with I/O interface B（7）, shake axis（14）Both sides are symmetrically arranged with hollow cylindrical core
（18）, hollow cylindrical core（18）On be fixed with annular rocking gear（11）, hollow cylindrical core（18）Both sides are provided with cunning
Ring stator（19）And slip ring（21）, hollow cylindrical core（18）Middle part is provided with through hole（13）, base portion（16）Inside is provided with electricity
Interface（17）, shell（9）Inside is fixed with housing（34）, housing（34）Inside is provided with sensor（25）, sensor（25）Outside
Portion is provided with window（24）, base portion（16）And housing（34）Between annular bearing seal is installed（10）And bearing seal
（27）, shell（9）Inner side is provided with planomural（36）, pitching motor（32）It is attached at planomural（36）On, pitching motor（32）Right side
It is provided with little gear（31）, electrical interface（17）With slip ring stator（19）Between be connected with conductor A（15）, pitching motor（32）Lower section
It is provided with inner fovea part（29）.
A kind of 2. Homeplug transmitting, monitoring video camera according to claim 1, it is characterised in that：Slip ring（21）Turned by slip ring
Son（23）With slip ring stator（19）Composition, slip-ring rotor（23）It is attached to housing（34）And with slip ring stator（19）Between lead to
Cross bearing（12）Connection coordinates.
A kind of 3. Homeplug transmitting, monitoring video camera according to claim 1, it is characterised in that：Slip ring stator（19）Consolidated
Surely it is attached or is fastened to hollow cylindrical core（18）Outer surface, slip ring stator（19）On be provided with annular dynamic electrical contact member
Part（20）.
A kind of 4. Homeplug transmitting, monitoring video camera according to claim 1, it is characterised in that：Sensor（25）For wide area
Type, it is surrounded by fixed rack（38）, electrical interface（17）And sensor（25）Between be connected with conductor C（26）.
A kind of 5. Homeplug transmitting, monitoring video camera according to claim 1, it is characterised in that：Shell（9）Including bowed out
Wall（37）, two opposite side walls（33）The opposite end wall with two（28）.
A kind of 6. Homeplug transmitting, monitoring video camera according to claim 1, it is characterised in that：I/O expansion module（8）, it is logical
Believe expansion module A（3）, communication extension module B（5）With PLC（1）Between be radio connection connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742693.5A CN107517337A (en) | 2017-08-25 | 2017-08-25 | A kind of Homeplug transmitting, monitoring video camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742693.5A CN107517337A (en) | 2017-08-25 | 2017-08-25 | A kind of Homeplug transmitting, monitoring video camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107517337A true CN107517337A (en) | 2017-12-26 |
Family
ID=60724176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710742693.5A Pending CN107517337A (en) | 2017-08-25 | 2017-08-25 | A kind of Homeplug transmitting, monitoring video camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107517337A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103477625A (en) * | 2011-02-16 | 2013-12-25 | 罗伯特·博世有限公司 | Surveillance camera with integral large-domain sensor |
| CN104284071A (en) * | 2014-10-20 | 2015-01-14 | 中山市安领星电子科技有限公司 | Infrared high-definition surveillance camera based on transmission of power modulator-demodulators |
| CN106933182A (en) * | 2017-04-29 | 2017-07-07 | 成都工鼎科技有限公司 | A kind of method based on wireless mode expansion technique of PLC |
| CN207117789U (en) * | 2017-08-25 | 2018-03-16 | 南京南业电子科技有限公司 | A kind of Homeplug transmitting, monitoring video camera |
-
2017
- 2017-08-25 CN CN201710742693.5A patent/CN107517337A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103477625A (en) * | 2011-02-16 | 2013-12-25 | 罗伯特·博世有限公司 | Surveillance camera with integral large-domain sensor |
| CN104284071A (en) * | 2014-10-20 | 2015-01-14 | 中山市安领星电子科技有限公司 | Infrared high-definition surveillance camera based on transmission of power modulator-demodulators |
| CN106933182A (en) * | 2017-04-29 | 2017-07-07 | 成都工鼎科技有限公司 | A kind of method based on wireless mode expansion technique of PLC |
| CN207117789U (en) * | 2017-08-25 | 2018-03-16 | 南京南业电子科技有限公司 | A kind of Homeplug transmitting, monitoring video camera |
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