CN108200349A - A kind of POE power supplies camera - Google Patents
A kind of POE power supplies camera Download PDFInfo
- Publication number
- CN108200349A CN108200349A CN201810230027.8A CN201810230027A CN108200349A CN 108200349 A CN108200349 A CN 108200349A CN 201810230027 A CN201810230027 A CN 201810230027A CN 108200349 A CN108200349 A CN 108200349A
- Authority
- CN
- China
- Prior art keywords
- power supply
- supplementary lighting
- lighting sources
- poe
- supply circuit
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 210000003205 muscle Anatomy 0.000 abstract description 4
- 230000001052 transient effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000005286 illumination Methods 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
- H04N23/60—Control of cameras or camera modules
- H04N23/65—Control of camera operation in relation to power supply
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Studio Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The embodiment of the invention discloses a kind of POE power supply cameras, including isolating device group, supplementary lighting sources device, network interface, isolated power supply circuit and non-isolated power supply circuit.Isolating device group includes CPU, photosensitive element, Ethernet chip and network transformer, and network transformer is connected with network interface one end.Isolated power supply circuit is powered for isolating device group, and one end is connected with isolating device group, and the other end is connected with network interface.Non-isolated power supply circuit is powered for supplementary lighting sources device, and one end is connected with supplementary lighting sources device, and the other end is connected with network interface.The application separates the devices uses isolated power supply circuit such as CPU, effectively prevent the interference of transient high-current that supplementary lighting sources device generates during quick-fried sudden strain of a muscle to circuits such as CPU, the stability of photosensitive element and CPU operations is improved, ensures the image quality of POE power supply cameras；In addition, non-isolated power supply circuit is used to be powered for supplementary lighting sources device, the manufacture cost of POE power supply cameras is reduced.
Description
Technical field
The present invention relates to video-photographic equipment technical field, more particularly to a kind of POE power supply cameras.
Background technology
With the fast development of optical technology and computer networking technology, POE (Power Over Ethernet, Ethernet
Power supply) to be used for the application being powered for camera more and more extensive for module.
It is being one in the case of not made any changes based on existing Ethernet Cat.5 wirings architecture that POE technologies, which are,
While a little IP-based terminal (such as IP telephone machine, wireless local network connecting point AP, web camera) transmission data-signals,
Kind equipment provides the technology of direct current supply thus.Utilize transmission data and electrical power while existing standard Ethernet transmission cable
Newest standards specification, maintain the compatibility with existing Ethernet system and user.
When being powered using POE modules for camera, supplementary lighting sources can generate instantaneous big electricity during quick-fried sudden strain of a muscle light filling
Stream so as to generate larger interference to power circuit, can not only cause supply voltage wink drop to lead to CPU (Central
Processing Unit, central processing unit) it resets, it can also cause photosensitive element sampling abnormal since power supply is unstable, and then lead
Picture imaging noise is caused to increase, camera imaging is ineffective.
Invention content
The purpose of the embodiment of the present invention is to provide a kind of POE power supplies camera, improves the stabilization of CPU and photosensitive element
Property, so as to improve the imaging definition and image resolution ratio of POE power supply cameras.
In order to solve the above technical problems, the embodiment of the present invention provides following technical scheme：
An embodiment of the present invention provides a kind of POE power camera, including：
Isolating device group, supplementary lighting sources device, network interface, isolated power supply circuit and non-isolated power supply circuit；
The isolating device group includes CPU, photosensitive element, Ethernet chip and network transformer, the network transformer
It is connected with described network interface one end；
The isolated power supply circuit on one side is connected with the isolating device group, and the other end is connected with the network interface；With
It is powered in for the isolating device group；
The non-isolated power supply circuit on one side is connected with the supplementary lighting sources device, the other end and the network interface phase
Even；For being powered for the supplementary lighting sources device.
Optionally, it further includes：
Light control switch, described light control switch one end are connected with the supplementary lighting sources device, the other end with it is described
Non-isolated power supply circuit is connected, and the instruction for being sent according to the CPU carries out closed procedure.
Optionally, the light control switch is managed for mos.
Optionally, the supplementary lighting sources device is the array of source being made of multiple LED light sources.
Optionally, the supplementary lighting sources device includes LED light source array and the electricity of energy is provided for the LED light source array
Hold array.
Optionally, the network interface is RJ45 or M12.
Optionally, the camera lens bayonet of the POE power supplies camera is M12 or CS bayonets or C bayonets.
An embodiment of the present invention provides a kind of POE power supply cameras, are connect including isolating device group, supplementary lighting sources device, network
Mouth, isolated power supply circuit and non-isolated power supply circuit.Wherein, isolating device group include CPU, photosensitive element, Ethernet chip and
Network transformer, network transformer are connected with network interface one end.Isolated power supply circuit is used to be powered for isolating device group,
One end is connected with isolating device group, and the other end is connected with network interface.Non-isolated power supply circuit is used for as supplementary lighting sources device
It is powered, one end is connected with supplementary lighting sources device, and the other end is connected with network interface.
The CPU of camera, photosensitive element, Ethernet chip and network transformer are utilized isolated power supply by technical scheme
Circuit separates, and effectively prevents the transient high-current that supplementary lighting sources device generates during quick-fried sudden strain of a muscle and the circuits such as CPU are done
It disturbs, improves the stability of photosensitive element and CPU operations, ensure the image quality of POE power supply cameras, improve POE power supply cameras
Imaging definition and image resolution ratio；In addition, using non-isolated power supply circuit be individually for circuit in supplementary lighting sources device into
The manufacture cost and use cost of POE power supply cameras greatly reduces in row power supply.
Description of the drawings
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present invention or the prior art
Attached drawing is briefly described needed in technology description, it should be apparent that, the accompanying drawings in the following description is only this hair
Some bright embodiments, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 powers camera in a kind of structure diagram of specific embodiment for POE provided in an embodiment of the present invention；
Fig. 2 is structure diagram of the POE provided in an embodiment of the present invention power supply cameras in another specific embodiment.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment be only part of the embodiment of the present invention rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
Term " first ", " second ", " third " " in the description and claims of this application and above-mentioned attached drawing
Four " etc. be for distinguishing different objects rather than for describing specific sequence.In addition term " comprising " and " having " and
Their any deformations, it is intended that cover non-exclusive include.Such as contain the process of series of steps or unit, method,
The step of system, product or equipment are not limited to list or unit, but the step of may include not listing or unit.
Referring to Fig. 1, Fig. 1 is the structure of POE power supplies camera under a kind of specific embodiment provided in an embodiment of the present invention
Block diagram.
POE power supply cameras may include isolating device group 1, supplementary lighting sources device 2, network interface 3,4 and of isolated power supply circuit
Non-isolated power supply circuit 5.
Isolating device group 1 may include CPU, photosensitive element, Ethernet chip and network transformer, network transformer and network
One end of interface 3 is connected.Certainly, isolating device group 1 may also comprise magazine other and need to avoid what transient high-current interfered
Device, ensures the stability of device operation, and the application does not do this any restriction.
When supplementary lighting sources device 2 is for carrying out Image Acquisition to camera, light filling is carried out, to ensure image image quality.
The type and number for the supplementary lighting sources that supplementary lighting sources device includes can be chosen according to practical application scene and user demand,
The application does not do this any restriction.
In a kind of specific embodiment, when infrared light supply carries out light filling, it can be obtained when external ambient lighting is relatively low
Preferable image taking effect, supplementary lighting sources device 2 can be the light source being made of multiple infrared light supplies and multiple visible light sources
Array, wherein, the number of infrared light supply and visible light source can be chosen according to practical application scene and user demand, the application
Any restriction is not done to this.Consider the manufacture cost of POE power supply cameras, supplementary lighting sources device can be to be made of multiple LED light sources
Array of source.
Optionally, supplementary lighting sources device 2 can be to provide the capacitance of energy including LED light source array and for LED light source array
Array, the capacitance number that capacitor array includes can be according to the power of the number of light source and each light source on supplementary lighting sources device 2 come really
It is fixed.Certainly or other kinds of energy-storage travelling wave tube, if for each light source can provide needed for point amount light it.
Optionally, network interface 3 can be RJ45 or M12, certainly or other kinds of network interface, the application couple
This is not limited in any way.
Specifically, replaceable camera lens can be used in POE power supply cameras, camera lens bayonet can be M12 or CS bayonets or C bayonets.
Certainly or other kinds of camera lens bayonet, the application are not limited in any way this.
Isolated power supply circuit 4 is isolated by supplementary lighting sources device 2 and isolating device group 1, ensures 2 He of supplementary lighting sources device
Isolating device group 2 is individually powered, and prevents one of module because bringing disaster to other after being led to damage by electrion or other reasons
Module, each module work independently, and without interruption, are conducive to improve the stability of each device operation in isolating device group 1.Specifically
, the circuit structure of isolated power supply circuit 4 can refer to the isolated power supply circuit of the prior art, and the application repeats no more.
Non-isolated power supply circuit 5 is individually for supplementary lighting sources device 2 and is powered, and can reduce the manufacture of POE power supply cameras
Cost, specifically, the circuit structure of non-isolated power supply circuit 5 can refer to the isolated power supply circuit of the prior art, the application is no longer
It repeats.
In technical solution provided in an embodiment of the present invention, by the CPU of camera, photosensitive element, Ethernet chip and network
Transformer is separated using isolated power supply circuit, effectively prevents the instantaneous big electricity that supplementary lighting sources device generates during quick-fried sudden strain of a muscle
The interference to circuits such as CPU is flowed, improves the stability of photosensitive element and CPU operations, ensures the image quality of POE power supply cameras,
Improve the imaging definition and image resolution ratio of POE power supply cameras；In addition, light filling light is individually for using non-isolated power supply circuit
Circuit in source device is powered, and the manufacture cost and use cost of POE power supply cameras greatly reduces.
When shooting environmental brightness is larger, generally can also obtain preferable shooting effect without light filling, setting when into
During row light filling, when shooting environmental brightness is too big, the shooting effect of acquisition is bad instead.In consideration of it, the phase referring to Fig. 2, POE powers
Machine can also set light control switch 6, and 6 one end of light control switch is connected with supplementary lighting sources device 2, the other end and non-isolated electricity
Source circuit 5 is connected.
Optionally, light control switch 6 can be that mos is managed, and certainly, other kinds of control switch, the application can also be used
This is not limited in any way.
Light control switch 6 is isolation design, and light control switch 6 carries out closed procedure according to the instruction that CPU is sent, with
The supplementary lighting sources being turned on and off in supplementary lighting sources device 2.
For example, when shooting environmental brightness is larger, generally preferable shooting effect can also be obtained without light filling
Fruit is set when carrying out light filling, and when shooting environmental brightness is too big, the shooting effect of acquisition is bad instead.CPU is by comparing camera
The illumination of current shooting environment and the relationship of default illumination threshold value, it is determined whether open supplementary lighting sources.When current shooting environment
When intensity of illumination is less than default illumination threshold value, CPU sends the instruction for opening supplementary lighting sources device 2, light source to light control switch 6
6 closures of opening the light are controlled, non-isolated power supply circuit 5 is powered for supplementary lighting sources device 2, lights the light in supplementary lighting sources device 2
Source array；When the intensity of illumination when current shooting environment is more than default illumination threshold value, when the light source battle array in supplementary lighting sources device 2
When row are in illuminating state, CPU sends the instruction for closing supplementary lighting sources device 2 to light control switch 6, and light source control opens the light 6
It opens, non-isolated power supply circuit 5 stops being powered for supplementary lighting sources device 2, and array of source is not lighted, when array of source is in
During non-lit up state, electric CPU does not make any operation.
By setting light control switch 6, when ambient lighting deficiency, CPU control the switch be closed, be Image Acquisition into
The real-time light filling of row.Not only the imaging effect of camera had been ensured, but also the confession electric flux of camera can be saved, so as to reduce customer using cost.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with it is other
The difference of embodiment, just to refer each other for same or similar part between each embodiment.For dress disclosed in embodiment
For putting, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related part is referring to method part
Explanation.
Professional further appreciates that, with reference to each exemplary list of the embodiments described herein description
Member can realize with the combination of electronic hardware, computer software or the two, can in order to clearly demonstrate hardware and software
Interchangeability generally describes each exemplary composition and step according to function in the above description.These functions are actually
It is performed with hardware or software mode, specific application and design constraint depending on technical solution.Professional technician
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
A kind of POE power supplies camera provided by the present invention is described in detail above.It is used herein specifically a
Example is expounded the principle of the present invention and embodiment, and the explanation of above example is only intended to help to understand the present invention's
Method and its core concept.It should be pointed out that for those skilled in the art, the principle of the invention is not being departed from
Under the premise of, can also to the present invention some improvement and modification can also be carried out, these improvement and modification also fall into the claims in the present invention
Protection domain in.
Claims (7)
- The camera 1. a kind of POE powers, which is characterized in that including：Isolating device group, supplementary lighting sources device, network interface, isolated power supply circuit and non-isolated power supply circuit；The isolating device group includes CPU, photosensitive element, Ethernet chip and network transformer, the network transformer and institute Network interface one end is stated to be connected；The isolated power supply circuit on one side is connected with the isolating device group, and the other end is connected with the network interface；For for The isolating device group is powered；The non-isolated power supply circuit on one side is connected with the supplementary lighting sources device, and the other end is connected with the network interface；With It is powered in for the supplementary lighting sources device.
- The camera 2. POE as described in claim 1 powers, which is characterized in that further include：Light control switch, described light control switch one end are connected with the supplementary lighting sources device, the other end with it is described it is non-every It is connected from power circuit, the instruction for being sent according to the CPU carries out closed procedure.
- The camera 3. POE as claimed in claim 2 powers, which is characterized in that the light control switch is managed for mos.
- The camera 4. POE as described in claim 1 powers, which is characterized in that the supplementary lighting sources device is by multiple LED light sources The array of source of composition.
- 5. such as claim 1-3 any one of them POE power supply cameras, which is characterized in that the supplementary lighting sources device includes LED Array of source and the capacitor array that energy is provided for the LED light source array.
- The camera 6. POE as claimed in claim 5 powers, which is characterized in that the network interface is RJ45 or M12.
- The camera 7. POE as claimed in claim 6 powers, which is characterized in that the camera lens bayonet of the POE power supplies camera is M12 Or CS bayonets or C bayonets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810230027.8A CN108200349B (en) | 2018-03-20 | 2018-03-20 | POE power supply camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810230027.8A CN108200349B (en) | 2018-03-20 | 2018-03-20 | POE power supply camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108200349A true CN108200349A (en) | 2018-06-22 |
| CN108200349B CN108200349B (en) | 2024-05-17 |
Family
ID=62596031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810230027.8A Active CN108200349B (en) | 2018-03-20 | 2018-03-20 | POE power supply camera |
Country Status (1)
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108200349B (en) | 2024-05-17 |
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