CN203278994U - A network camera and a power supplying apparatus thereof - Google Patents
A network camera and a power supplying apparatus thereof Download PDFInfo
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- CN203278994U CN203278994U CN 201320246886 CN201320246886U CN203278994U CN 203278994 U CN203278994 U CN 203278994U CN 201320246886 CN201320246886 CN 201320246886 CN 201320246886 U CN201320246886 U CN 201320246886U CN 203278994 U CN203278994 U CN 203278994U
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Abstract
The utility model discloses a network camera and a power supplying apparatus thereof. The power supplying apparatus comprises a power converter and at least one pair of uplink RJ-45 interface and downlink RJ-45 interface. The input end of the power converter is connected with an AC power supply in order that the power converter converts AC input voltage into DC power required by the network camera. The positive pole of the output end of the power converter is connected with the pins 4 and 5 of the downlink RJ-45 interface while the negative pole of the output end of the power converter is connected with the pins 7 and 8 of the downlink RJ-45 interface. Therefore, a power signal is provided for the downlink RJ-45 interface. The output end of the downlink RJ-45 interface is connected with a RJ-45 interface of the network camera through an Ethernet cable in order to provide DC power for the network camera. The network camera and the power supplying apparatus thereof reduce design difficulty and equipment cost and has simple and convenient engineering construction.
Description
Technical field
The utility model relates to power technique fields, relates in particular to a kind of web camera and electric supply installation thereof.
Background technology
Web camera claims again the IP video camera, and it is the digitalized image equipment that traditional cameras technology and modern network technology combine, and an IP node as on network can carry out distributed arrangement usually, uses very flexible.The Video Supervision Technique of video camera Network Based is forming rapidly a huge market in fields such as family, retailing, bank, traffic and municipal public safeties, becomes the main flow in following security protection video monitoring market.
At present, the supply power mode of web camera mainly contains 2 kinds: a kind of is to provide power supply by laying special-purpose power line for web camera; Another kind is to utilize POE(Power Over Ethernet Power over Ethernet) technology, provide power supply by the Ethernet netting twine for web camera.
For the supply power mode of laying power source wire, the Power Management Design of web camera is fairly simple, but engineering construction is complicated, needs to lay special-purpose power line, and construction cost is high.For the POE supply power mode, power by the Ethernet netting twine, need not to lay special power line, engineering construction is simple and convenient, but the network shooting electromechanical source need to be according to the PD(Power Device power receiving equipment that defines in the IEEE802.3af/at standard) standard designs, and need to use the special equipment that satisfies the PSE standard that defines in the IEEE802.3af/at standard to power, greatly increased the cost of equipment.
The utility model content
In view of this, the technical problems to be solved in the utility model is to provide a kind of electric supply installation of web camera, provides power supply to realize utilizing the Ethernet netting twine by external this electric supply installation as web camera.
According to an aspect of the present utility model, the electric supply installation of a kind of web camera that provides comprises power supply changeover device and at least one pair of first line of a couplet RJ-45 interface and second line of a couplet RJ-45 interface, wherein:
The input of power supply changeover device is connected to AC power, is used for AC-input voltage is converted to the required DC power supply of web camera; The positive pole of output is connected on 4 pin and 5 pin of second line of a couplet RJ-45 interface, and the negative pole of output is connected on 7 pin and 8 pin of second line of a couplet RJ-45 interface, and being used for provides power supply signal to second line of a couplet RJ-45 interface; The output of second line of a couplet RJ-45 interface is connected to the RJ-45 interface of web camera to provide DC power supply to web camera by the Ethernet netting twine.
Preferably, the input of first line of a couplet RJ-45 interface is connected to external data port by the Ethernet netting twine, 1 pin of output, 2 pin, 3 pin and 6 pin are connected with 1 pin, 2 pin, 3 pin and 6 pin of input of second line of a couplet RJ-45 interface in this docking port respectively, are used to web camera that the passage of network data transmission is provided.
Preferably, 4 pin of the output of first line of a couplet RJ-45 interface and 5 pin, 7 pin and 8 pin are unsettled.
Preferably, power supply changeover device comprises: AC/DC transducer or power supply adaptor.
Further above-mentioned electric supply installation also comprise one with the suitable supply socket of power supply adaptor, supply socket is connected to the positive pole of the power supply of power supply adaptor input on 4 pin and 5 pin of all second line of a couplet RJ-45 interfaces, the negative pole of the power supply of power supply adaptor input is connected to 7 pin and 8 pin of all second line of a couplet RJ-45 interfaces.
According to another aspect of the present utility model, a kind of web camera that provides comprises video camera main frame and power module, also comprise the RJ-45 interface that is connected with above-mentioned electric supply installation by the Ethernet netting twine, 4 pin of RJ-45 interface input, 5 pin, 7 pin and 8 pin are connected with 4 pin, 5 pin, 7 pin and 8 pin of the second line of a couplet RJ-45 interface of electric supply installation respectively, are used for receiving the power supply signal that electric supply installation provides; 4 pin of RJ-45 interface output are connected with the positive pole of power module input with 5 pin, 7 pin are connected with the negative pole of 8 pin with the power module input, be used for providing DC power supply to power module, power module is exported to the video camera main frame with the operating voltage that DC power supply is converted to video camera main frame needs.
Preferably, 1 pin of RJ-45 interface input, 2 pin, 3 pin and 6 pin are connected with 1 pin, 2 pin, 3 pin and 6 pin of the second line of a couplet RJ-45 interface of electric supply installation respectively, 1 pin of RJ-45 interface output, 2 pin, 3 pin and 6 pin are connected with the video camera main frame, are used for providing the network data transmission passage.
Adopt the system of the utility model embodiment, by external this electric supply installation, utilize the Ethernet netting twine to provide power supply for web camera, both need not to lay special power line, need not again the higher PSE power supply unit of use cost, and web camera need not to follow the PD standard.Reduced the difficulty of design and the cost of equipment, and engineering construction is simple, convenient.
Description of drawings
The electric supply installation structure chart of a kind of web camera that Fig. 1 provides for the utility model embodiment;
A kind of network camera structure figure schematic diagram that Fig. 2 provides for the utility model embodiment;
A kind of web camera electric power system structure chart that Fig. 3 provides for the utility model preferred embodiment one;
A kind of web camera electric power system structure chart that Fig. 4 provides for the utility model preferred embodiment two;
A kind of web camera electric power system structure chart that Fig. 5 provides for the utility model preferred embodiment three.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, clear, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The electric supply installation structure chart of a kind of web camera that provides for the utility model embodiment as Fig. 1, this electric supply installation comprises power supply changeover device 103 and at least one pair of first line of a couplet RJ-45 interface 101 and second line of a couplet RJ-45 interface 102, wherein:
The input of first line of a couplet RJ-45 interface 101 is connected to FPDP by the Ethernet netting twine, 1 pin of output, 2 pin, 3 pin and 6 pin respectively with this docking port in second line of a couplet RJ-45 interface 102 input 1 pin, 2 pin, 3 pin and 6 pin are corresponding is connected, be used for providing the passage of network data transmission.4 pin of the output of first line of a couplet RJ-45 interface 101 and 5 pin, 7 pin and 8 pin are unsettled.
The input of power supply changeover device 103 is connected to AC power, is used for AC-input voltage is converted to the required DC power supply of web camera; The positive pole of output is connected on 4 pin and 5 pin of second line of a couplet RJ-45 interface 102, and the negative pole of output is connected on 7 pin and 8 pin of second line of a couplet RJ-45 interface 102, and being used for provides power supply signal to second line of a couplet RJ-45 interface 102.
1 pin of the input of second line of a couplet RJ-45 interface 102,2 pin, 3 pin and 6 pin respectively with this docking port in first line of a couplet RJ-45 interface 101 output 1 pin, 2 pin, 3 pin and 6 pin are corresponding is connected, be used for providing transmitting network data; 4 pin of input with are connected pin and connect the positive pole of power supply changeover device 103 outputs, 7 pin with are connected pin and connect the negative pole of power supply changeover device 103 outputs, output is connected to the input port of the RJ-45 interface of web camera by the Ethernet netting twine, being used for provides DC power supply to web camera.
Preferably, the power supply changeover device in the present embodiment 103 can be realized by AC/DC transducer or power supply adaptor.When adopting power supply adaptor, electric supply installation also comprise one with the suitable supply socket of power supply adaptor, supply socket is connected to the positive pole of the power supply of power supply adaptor input on 4 pin and 5 pin of all second line of a couplet RJ-45 interfaces, the negative pole of the power supply of power supply adaptor input is connected to 7 pin and 8 pin of all second line of a couplet RJ-45 interfaces.
Adopt the electric supply installation of the utility model embodiment, both need not to lay special power line, need not again the higher PSE power supply unit of use cost, and can utilize the Ethernet netting twine to provide power supply for web camera, reduced the difficulty of design and the cost of equipment, and engineering construction is simple, convenient.
As a kind of network camera structure figure schematic diagram that Fig. 2 provides for the utility model embodiment, this web camera comprises video camera main frame 203, power module 202 and the RJ-45 interface 201 that is connected with above-mentioned electric supply installation by the Ethernet netting twine, wherein:
1 pin of RJ-45 interface 201 inputs, 2 pin, 3 pin and 6 pin are connected with 1 pin, 2 pin, 3 pin and 6 pin of the second line of a couplet RJ-45 interface of electric supply installation respectively, 1 pin of RJ-45 interface 201 outputs, 2 pin, 3 pin and 6 pin are connected with the video camera main frame, are used for providing the network data transmission passage.
4 pin of RJ-45 interface 201 inputs, 5 pin, 7 pin and 8 pin are connected with 4 pin, 5 pin, 7 pin and 8 pin of the second line of a couplet RJ-45 interface of electric supply installation respectively, are used for receiving the power supply signal that electric supply installation provides; 4 pin of RJ-45 interface 201 outputs are connected with the positive pole of power module 202 inputs with 5 pin, 7 pin are connected with the negative pole of 8 pin with power module 202 inputs, and being used for provides DC power supply to power module 202.
The web camera that the present embodiment provides need not to follow the PD design specification, as long as just can utilize the Ethernet netting twine that power supply is provided by an external electric supply installation, has reduced the difficulty of design.
Embodiment one
As a kind of web camera electric power system structure chart that Fig. 3 provides for the utility model preferred embodiment 1, this system comprises electric supply installation 10, web camera 20, router/switch 30 and electricity network 40, wherein:
Electric supply installation 10 comprises a pair of RJ-45 interface, and namely first line of a couplet RJ-45 interface 101 and second line of a couplet RJ-45 interface 102, support the power supply of single network video camera 20.The input of first line of a couplet RJ-45 port one 01 is connected to the FPDP of network router/switches 30 by the Ethernet netting twine, output 1/2,3/6 holding wire are connected on 1/2,3/6 holding wire of second line of a couplet RJ-45 interface 102, for web camera 20 provides data transmission channel; 4/5,7/8 holding wire unsettled (not using) of first line of a couplet RJ-45 port one 01 output does not provide power supply.4/5 holding wire of second line of a couplet RJ-45 port one 02 is connected with the positive pole of the output of AC/ DC transducer 1031,7/8 holding wire is connected with the negative pole of the output of AC/DC transducer 1031, for web camera 20 provides transmission by the conversion of AC/DC transducer 1031 and the passage of the dc power signal that obtains after processing.Second line of a couplet RJ-45 interface 102 is connected to the RJ-45 interface 201 of web camera 20 by the Ethernet netting twine, for web camera 20 provides data transmission channel and power supply.
The input of the AC/DC transducer 1031 of electric supply installation 10 is connected to 220V electric main network 40, and with after 220V AC-input voltage process transformation, rectification, filtering and voltage stabilizing, produce the required dc power supply (as direct current 12V) of web camera, and the positive pole of DC power supply is connected on 4/5 holding wire of second line of a couplet RJ-45 interface 102, negative pole () be connected on 7/8 holding wire of second line of a couplet RJ-45 interface 102, like this, second line of a couplet RJ-45 interface 102 has just added the required dc power supply of web camera 20 on 4/5,7/8 holding wire.
The RJ-45 interface 201 of web camera 20 connects the second line of a couplet RJ-45 interface 102 of electric supply installation 10 by the Ethernet netting twine, web camera 20 just can obtain required input DC powers from the RJ-45 interface 201 of self, and goes out the required various operating voltages of web camera 20 by self power module 201 conversion.Web camera 20 collects vision signal by optical lens and imageing sensor, after processing through analog/digital conversion, Digital Video Processing, video compression etc., arrives back-end processing equipment by Internet Transmission.Network router/switches 30 provides network exchange and network transmission function for web camera 20, and the view data that web camera 20 is gathered and transmits forwards.
A kind of alternative as the utility model embodiment, AC/DC transducer 1031 can replace with power supply adaptor, can realize the purpose of this utility model equally by the power supply adaptor socket that external power adapter connects in electricity network 40 and electric supply installation 10.
Embodiment two
A kind of web camera electric power system structure chart that provides for the utility model preferred embodiment 2 as Fig. 4; This system also comprises electric supply installation 10, web camera 20, router/switch 30 and electricity network 40, with Fig. 3 difference is, this electric supply installation comprises many to first line of a couplet port and second line of a couplet port, supports a plurality of web cameras 20.Every pair of port comprises 2 RJ-45 interfaces, comprises first line of a couplet RJ-45 interface 101-1 and second line of a couplet RJ-45 interface 102-1 as first pair of port ..., N comprises first line of a couplet RJ-45 interface 101-N and second line of a couplet RJ-45 interface 102-N to port.The FPDP 1 that the input of first line of a couplet RJ-45 interface 101-1 to 101-N is connected to network router/switches 30 by the Ethernet netting twine respectively is to FPDP N, for web camera 20-1 and web camera 20-N provide data transmission channel.Second line of a couplet RJ-45 interface 102-1 to 102-N is connected respectively to the RJ-45 interface 203-1 of web camera 20-1 to the RJ-45 interface 203-N of web camera 20-N by the Ethernet netting twine respectively, provides data transmission channel and power supply for web camera 20-1 to web camera 20-N.All first line of a couplet ports do not provide power supply, all second line of a couplet ports by electric supply installation conversion and process after all can be web camera 20-1 and provide power supply to web camera 20-N.After each first line of a couplet port entered electric supply installation, 4/5,7/8 holding wire unsettled (not using), 1/2,3/6 holding wire were connected on 1/2,3/6 holding wire of corresponding second line of a couplet interface, and the Ethernet data transmission channel is provided.AC/DC conversion module 1031 in electric supply installation, its input is connected to 220V electric main network 40, and with 220V AC-input voltage process transformation, rectification, after the circuit such as filtering and voltage stabilizing, produce the required dc power supply (as direct current 12V) of web camera 20, and the positive pole of DC power supply is connected to all second line of a couplet ports is that second line of a couplet RJ-45 interface 102-1 is to 4/5 holding wire of second line of a couplet RJ-45 interface 102-N, negative pole () be connected to second line of a couplet RJ-45 interface 102-1 to 7/8 holding wire of second line of a couplet RJ-45 interface 102-N, like this, through on all second line of a couplet ports after electric supply installation all 4/5, added the required dc power supply of web camera 20 on 7/8 holding wire.After web camera 20-1 is connected to the second line of a couplet port of electric supply installation to web camera 20-N by the Ethernet netting twine, just can obtain required input DC power from the RJ-45 interface 201-N connector of the RJ-45 interface 201-1 connector of web camera 20-1 and web camera 20-N, and by web camera 20-1 to the power module 202-1 to 202-N of web camera 20-N self respectively conversion go out network shooting machine host 203-1 to the required various operating voltages of network shooting machine host 203-N.
Embodiment three
As a kind of web camera electric power system structure chart that Fig. 5 provides for the utility model preferred embodiment 3, this system comprises electric supply installation 10, web camera 20, router/switch 30 and electricity network 40.Compare with Fig. 4, difference only is that AC/DC conversion module 1031 in electric supply installation 10 changes into power supply adaptor 50 and replaces, by the power supply adaptor socket 1032 in external power adapter 50 connection electricity networks 40 and electric supply installation 10.Power supply adaptor 50 is very ripe and uses Power supply equipment widely, and can select as required different output voltages and different output power, can be more convenient, provide power supply for web camera 20 more neatly.When using external power adapter 50, only need in electric supply installation 10 to place one with the suitable supply socket 1032 of power supply adaptor 50, and will get final product on the positive pole of the power supply of power supply adaptor 50 input and 4/5 and 7/8 holding wire that negative pole is connected respectively to all second line of a couplet RJ-45 interfaces by supply socket 1032, other parts are constant.
The miscellaneous part of the present embodiment is identical with embodiment two, no longer repeats here.
The web camera and the electric supply installation thereof that provide according to the utility model embodiment, by external this electric supply installation, utilize the idle signal line of Ethernet interface to provide power supply for web camera, both need not to lay special power line, reduced difficulty of construction and cost, need not again the higher PSE power supply unit of use cost, reduced equipment cost, and web camera need not to follow the PD standard, reduced the difficulty of design, engineering construction is simple, convenient, economical and practical.
Above with reference to the accompanying drawings of preferred embodiment of the present utility model, not thereby limit to interest field of the present utility model.Those skilled in the art do not break away from scope of the present utility model and essence, can have multiple flexible program to realize the utility model, obtain another embodiment such as the feature as an embodiment can be used for another embodiment.Allly using any modification of doing within technical conceive of the present utility model, be equal to and replace and improve, all should be within interest field of the present utility model.
Claims (7)
1. the electric supply installation of a web camera, is characterized in that, described electric supply installation comprises: power supply changeover device and at least one pair of first line of a couplet RJ-45 interface and second line of a couplet RJ-45 interface, wherein:
The input of described power supply changeover device is connected to AC power, is used for AC-input voltage is converted to the required DC power supply of web camera; The positive pole of output is connected on 4 pin and 5 pin of described second line of a couplet RJ-45 interface, and the negative pole of output is connected on 7 pin and 8 pin of described second line of a couplet RJ-45 interface, and being used for provides power supply signal to described second line of a couplet RJ-45 interface; The output of described second line of a couplet RJ-45 interface is connected to the RJ-45 interface of web camera to provide DC power supply to web camera by the Ethernet netting twine.
2. the electric supply installation of web camera according to claim 1, it is characterized in that, the input of described first line of a couplet RJ-45 interface is connected to external data port by the Ethernet netting twine, 1 pin of output, 2 pin, 3 pin and 6 pin are connected with 1 pin, 2 pin, 3 pin and 6 pin of input of second line of a couplet RJ-45 interface in this docking port respectively, are used to web camera that the passage of network data transmission is provided.
3. the electric supply installation of web camera according to claim 1, is characterized in that, 4 pin of the output of described first line of a couplet RJ-45 interface and 5 pin, 7 pin and 8 pin are unsettled.
4. the electric supply installation of web camera according to claim 1, is characterized in that, described power supply changeover device comprises: AC/DC transducer or power supply adaptor.
5. the electric supply installation of web camera according to claim 4, it is characterized in that, described electric supply installation also comprise one with the suitable supply socket of described power supply adaptor, described supply socket is connected to the positive pole of the power supply of described power supply adaptor input on 4 pin and 5 pin of all second line of a couplet RJ-45 interfaces, the negative pole of the power supply of described power supply adaptor input is connected to 7 pin and 8 pin of all second line of a couplet RJ-45 interfaces.
6. web camera, comprise video camera main frame and power module, it is characterized in that, also comprise by Ethernet netting twine and the RJ-45 interface that is connected as the described electric supply installation of claim 1-5 any one, 4 pin of described RJ-45 interface input, 5 pin, 7 pin and 8 pin are connected with 4 pin, 5 pin, 7 pin and 8 pin of the second line of a couplet RJ-45 interface of described electric supply installation respectively, are used for receiving the power supply signal that described electric supply installation provides; 4 pin of described RJ-45 interface output are connected with the positive pole of described power module input with 5 pin, 7 pin are connected with the negative pole of 8 pin with described power module input, be used for providing DC power supply to described power module, described power module is exported to described video camera main frame with the operating voltage that described DC power supply is converted to described video camera main frame needs.
7. web camera according to claim 6, it is characterized in that, 1 pin of described RJ-45 interface input, 2 pin, 3 pin and 6 pin are connected with 1 pin, 2 pin, 3 pin and 6 pin of the second line of a couplet RJ-45 interface of described electric supply installation respectively, 1 pin of described RJ-45 interface output, 2 pin, 3 pin and 6 pin are connected with described video camera main frame, are used for providing the network data transmission passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320246886 CN203278994U (en) | 2013-05-09 | 2013-05-09 | A network camera and a power supplying apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320246886 CN203278994U (en) | 2013-05-09 | 2013-05-09 | A network camera and a power supplying apparatus thereof |
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| CN203278994U true CN203278994U (en) | 2013-11-06 |
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| CN 201320246886 Expired - Fee Related CN203278994U (en) | 2013-05-09 | 2013-05-09 | A network camera and a power supplying apparatus thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722029A (en) * | 2019-03-21 | 2020-09-29 | 杭州海康威视数字技术股份有限公司 | Detection device and method for power supply mode of network camera and network camera |
-
2013
- 2013-05-09 CN CN 201320246886 patent/CN203278994U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722029A (en) * | 2019-03-21 | 2020-09-29 | 杭州海康威视数字技术股份有限公司 | Detection device and method for power supply mode of network camera and network camera |
| CN111722029B (en) * | 2019-03-21 | 2023-03-07 | 杭州海康威视数字技术股份有限公司 | Detection device and method for power supply mode of network camera and network camera |
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