CN2648674Y - Electric injector - Google Patents
Electric injector Download PDFInfo
- Publication number
- CN2648674Y CN2648674Y CN 03272036 CN03272036U CN2648674Y CN 2648674 Y CN2648674 Y CN 2648674Y CN 03272036 CN03272036 CN 03272036 CN 03272036 U CN03272036 U CN 03272036U CN 2648674 Y CN2648674 Y CN 2648674Y
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- electric power
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- interface
- power injector
- power
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Abstract
The utility model provides a power injector device, at least containing a voltage transformation device to receive an alternating current and transform the alternating current to conform to a certain specification, a rectifying device that is coupled with the voltage transformation device and transforms the alternating current into a direct current, a first interface that is coupled with the rectifying device to output the direct current, a second interface that is coupled with a computer network to transfer the computer network signal and a third interface that is coupled with the second interface and the rectifying device to output the direct current and transfer the computer network signal. The power injector device provided by the utility model can receive two types of power patterns and output power to equipments that need power, wherein, one type of the power is power from the network and the other is alternating current power, thus increasing the freedom of equipments needing power to choose power source.
Description
Technical field
The utility model relates to a kind of electric power injector apparatus, and particularly relates to a kind of electric power injector apparatus that electric power can be injected the network signal transmission line.
Background technology
In the past, the network equipment uses two leads independent of each other to carry out the transmission of " data " and " power supply " usually, the lead that wherein is used for transmitting data uses the combination of RJ-45 connector and four pairs of twisted-pair feeders (twisted pair) usually, but, owing in the transmission of data, only need to use two pairs of twisted-pair feeders, therefore, four pin positions the (the 4th on the RJ-45 connector, 5,7,8 pin positions) and two pairs of twisted-pair feeders just left unused, therefore in order to make full use of existing device resource, also for the convenience on using, industry develops " power supply login technique " (Power over Ethernet; POE).Its original intention is to utilize this idle pin position and twisted-pair feeder to carry out the transmission of power supply.So, the network equipment no longer needs the power supply unit that adds, and its required power supply can be unified by a central network device provisioning, and the central network device UPS (UPS) of also can arranging in pairs or groups, when guaranteeing to have a power failure, but coupled all-network equipment normal operation.
Because the unification of target, the power supply login technique has become the indispensable function of wireless network base stations gradually.Because the characteristic of wireless network, often must be placed on commanding elevation in the space to base station to strengthen the reception scope, supply socket can not designed usually in these places, therefore, unless yield to the position of supply socket, otherwise just must carry out extra distribution engineering, like this, not possess economic benefit really.Yet then can make the installing of base station not be subject to the position of power supply by the power supply login technique but also have the elasticity that is provided with.
Yet; framework traditionally usually can suffer from some problems; if for example this central network equipment is not supported the power supply login technique, or required power supply supplied greater than central network equipment maximum power supply the time, this moment, the conventional central network equipment was promptly undesirable.
Summary of the invention
Main purpose of the present utility model is to provide a kind of electric power injector apparatus, and it can provide two kinds of power sources simultaneously, and one is to transmit power source by network, and one is by the commercial power supply power source, increases the elasticity on using.
Another purpose of the present utility model is to provide a kind of electric power injector apparatus, can avoid the maximum power supply supplied greater than network switch or hub because of the required power supply of terminal equipment, causes terminal equipment to use.
For realizing the above purpose, the utility model provides a kind of electric power injector apparatus, and it comprises at least: a potential device, in order to receive an alternating current and to change this alternating current to meet a set specification; One rectifying device, being coupled to this potential device and changing this alternating current becomes a direct current; One first interface is coupled to this rectifying device, in order to export this direct current; One second interface is coupled to a computer network, in order to transmit a computer network signal; And one the 3rd interface, be coupled to this second interface and this rectifying device, in order to export this direct current and to transmit this computer network signal.
The electric power injector apparatus that the utility model provides can provide terminal equipment two kinds of power sources, one is to transmit power source by Ethernet, one is by the commercial power supply power source, therefore when maximum power supply that the required power supply of terminal equipment is supplied greater than network switch or hub, this terminal equipment can be selected by the commercial power supply power source, therefore can avoid making terminal equipment to use because of power shortage, and in the tolerance band of terminal equipment, also can select to transmit power source by Ethernet.
Brief description of drawings
Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by embodiment of the present utility model is described in detail.
In the accompanying drawing,
Figure 1 shows that electric power injector schematic diagram according to the utility model first embodiment;
Figure 2 shows that the electric power injector according to first embodiment of the present utility model provides the schematic diagram of power supply to terminal equipment;
Figure 3 shows that the electric power injector according to first embodiment of the present utility model provides the another schematic diagram of power supply to terminal equipment;
Figure 4 shows that electric power injector schematic diagram according to the utility model second embodiment;
Figure 5 shows that the electric power injector according to second embodiment of the present utility model provides the schematic diagram of power supply to terminal equipment.
Embodiment
Use electric power injector apparatus of the present utility model, two kinds of power sources can be provided simultaneously, one is to transmit power source by network, one is by the commercial power supply power source, therefore electric power injector of the present utility model can be avoided the maximum power supply supplied greater than network switch or hub because of the required power supply of terminal equipment, causes terminal equipment to use.Application of the present utility model is when being not limited only to the concrete of the following stated
Embodiment.
Referring to shown in Figure 1, be electric power injector schematic diagram according to the utility model first embodiment, this electric power injector 100 has two RJ-45 (Registered Jack-45) connector 102 and 104.Accepting the data signal of Ethernet transmission when RJ-45 connector 102 after, can connect another RJ-45 connector 104, and this RJ-45 connector 104 is in order to provide the usefulness of terminal equipment connection, wherein this terminal equipment can be a networking telephone (Voice over IP, VOIP), wireless network connector (Access Point) or other network equipment.The one conductor wire 108 RJ-45 connector 104 so far that the power supply that electric main 110 is provided can be coupled, and this RJ-45 connector 104 and one or eight line twisted-pair feeders are incited somebody to action data transmission and electric power simultaneously, and wherein electric power is to utilize wherein different twisted-pair feeders to transmit respectively with data.
Consult shown in Figure 1ly once more, another power source that the utility model electric power injector 100 is provided is provided by electric main 110.The AC power that this electric main 110 provides, by transformer 112 of the present utility model and rectifier 114 rectifications become flow power supply always after, filter after the noise by filter 116, again by a fuse 118, cause terminal equipment to damage to avoid excessive electric current to inject, after the electromagnetic interface filter 120 of an anti-electromagnetic interference, except giving the follow-up terminal equipment by a connector (DC Jack) 122 out-put supplies, by a conductor wire 108 electric power is provided to RJ-45 connector 104 simultaneously, allow the eight line twisted-pair feeders that connect RJ-45 connector 104 wherein outside the 4 line cocoa transmission data, other 4 line then can transmit power supply and give follow-up terminal equipment, and wherein this connector 122 is a direct current jack.
When using above-mentioned electric power injector apparatus 100, user's follow-up terminal equipment, can select to connect RJ-45 connector 104 or connector 122, in other words, if the employed terminal equipment of user is supported the power supply login technique, can select to connect RJ-45 connector 104 and receive data and electric power simultaneously this moment.If employed terminal equipment is the network enabled power supply not, can select to connect connector 122 this moment provides electric power, and uses other transmission line to come the transmission data.
Consult and Figure 2 shows that according to first embodiment of the present utility model, the electrification injector provides the schematic diagram of power supply to terminal equipment, wherein this terminal equipment 200 can be a networking telephone (Voice over IP, VOIP), wireless network connector (Access Point) or other network equipment.Suppose if this terminal equipment is supported the power supply login technique, can join the RJ-45 connector 204 of terminal equipment 200 this moment by the RJ-45 connector 104 of eight line twisted-pair feeders 300 with electric power injector 100 of the present utility model, by obtaining data and electric power simultaneously on the eight line twisted-pair feeders 300, and this data is transmitted by four wherein different line twisted-pair feeders respectively with electric power.The electric power of being obtained can avoid excessive electric current injection to cause current-limiting circuit 212, a testing circuit 214 and a switched power supplier 216 of terminal equipment damage, an anti-inrush current (inrush current) to supply with terminal equipments by electromagnetic interface filter 206, rectifier 208, a fuse 210 of an anti-electromagnetic interference again.Wherein testing circuit 214 is to be used for the usefulness whether verification terminal equipment meets the power supply login technique, after the feeder ear that meets the power supply login technique confirms that by testing circuit 214 the receipts electrical characteristics of terminal equipments are to meet the requirement of POE, electric power output can be caused this terminal equipment and the design of power suppliew switching 216 can be selected frameworks such as flyback (Flyback) design, forward type (Forward) design, push-pull type (Push-pull) design, semibridge system (Half-bridge) or full-bridge type (Full-bridge) design for use.
Consult the electric power injector that Figure 3 shows that according to the utility model first embodiment the another schematic diagram of power supply to terminal equipment is provided, wherein this terminal equipment 200 can be a networking telephone (Voice over IP, VOIP), wireless network connector (Access Point) or other network equipment.Suppose that this terminal equipment do not support the power supply login technique, then the connector 218 of terminal equipment 200 joins by cable 302 and connector 122 of the present utility model, is powered by civil power.And on the other hand, one Ethernet (not shown) can connect the RJ-45 connector 204 of this terminal equipment in order to data transmission, in other words, when this terminal equipment is not supported the power supply login technique, can directly select the electric main power supply by the utility model, therefore and do not require and therefore also meet the requirement of the benefit that reduces cost by an adapter (Adaptor) on framework and the utility model carries out the work of voltage stabilizing by the transformer of terminal equipment.
On the other hand, consult shown in Figure 4, for according to the utility model second embodiment electric power injector 400 schematic diagrames, in the RJ-45 connector 102 that also can utilize in this embodiment after a coupler 106 will be accepted a data signal, be connected with another RJ-45 connector 104, one conductor wire 108 that connects this coupler 106 is sent to coupler 106 with the power supply that electric main 110 is provided, and inputs to RJ-45 connector 104 by coupler 106.This moment, electric power was to be coupled in the identical twisted-pair feeder to send terminal equipment to data.
When using above-mentioned electric power injector apparatus 400, user's follow-up terminal equipment, can select to connect RJ-45 connector 104 or connector 122 equally, in other words, if when the employed terminal equipment of user was supported the power supply login technique, can select to connect RJ-45 connector 104 and receive data and electric power simultaneously this moment.Otherwise, if when employed terminal equipment is not supported the power supply login technique, can select to connect connector 122 electric power is provided, and use other transmission line to come the transmission data.
Consult the electric power injector that Figure 5 shows that according to the utility model second embodiment the schematic diagram of power supply to terminal equipment is provided, wherein this terminal equipment is supported the power supply login technique, and this terminal equipment 200 can be a networking telephone (Voice over IP, VOIP), wireless network connector (Access Point) or other network equipment.Can join the RJ-45 connector 204 of terminal equipment 200 this moment by the RJ-45 connector 104 of twisted-pair feeder 300 with the utility model electric power injector 100, by obtaining data and electric power on the twisted-pair feeder 300 simultaneously, and the data of being transmitted is coupled in together with electric power and transmits by identical twisted-pair feeder.Be with the maximum difference of the electric power injector that uses first embodiment this moment, because the data of being transmitted is coupled in electric power, therefore the electromagnetic interface filter of the RJ-45 connector 204 of this terminal equipment 200 and anti-electromagnetic interference is 206, the data and the electric power de that need use one decoupler 220 to transmit simultaneously by twisted-pair feeder 300.
In sum, electric power injector of the present utility model can provide terminal equipment two kinds of power sources simultaneously, one is to transmit power source by Ethernet, one is by the commercial power supply power source, therefore when maximum power supply that the required power supply of terminal equipment is supplied greater than network switch or hub, this terminal equipment can be selected by the commercial power supply power source, therefore can avoid making terminal equipment to use because of power shortage, and in the tolerance band of terminal equipment, also can select to transmit power source, therefore can increase the elasticity in the use by Ethernet.
The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection range of the utility model accompanying Claim.
Claims (16)
1. electric power injector apparatus is characterized in that it comprises at least:
One potential device is in order to receive an alternating current and to change this alternating current to meet a set specification;
One rectifying device, being coupled to this potential device and changing this alternating current becomes a direct current;
One first interface is coupled to this rectifying device, in order to export this direct current;
One second interface is coupled to a computer network, in order to transmit a computer network signal; And
One the 3rd interface is coupled to this second interface and this rectifying device, in order to export this direct current and to transmit this computer network signal.
2. electric power injector apparatus according to claim 1 is characterized in that, this alternating current is an electric main.
3. electric power injector apparatus according to claim 1 is characterized in that, this first interface is a direct current jack.
4. electric power injector apparatus according to claim 1 is characterized in that, this second interface and the 3rd interface are respectively a RJ-45 connector.
5. electric power injector apparatus according to claim 1 is characterized in that, this computer network is an Ethernet.
6. electric power injector apparatus according to claim 1 is characterized in that it also comprises a filter, is coupled to this rectifying device, in order to filter this galvanic noise.
7. electric power injector apparatus according to claim 1 is characterized in that it also comprises safeties, is coupled to this rectifying device, in order to this galvanic size of current of restriction.
8. electric power injector apparatus according to claim 1 is characterized in that, it also comprises an anti-Electromagnetic interference filter, is coupled to this rectifier.
9. electric power injector apparatus is characterized in that it comprises at least:
One potential device is in order to receive an alternating current and to change this alternating current to meet a set specification;
One rectifying device, being coupled to this potential device and changing this alternating current becomes a direct current;
One first interface is coupled to this rectifying device, in order to export this direct current;
One second interface is coupled to a computer network, in order to transmit a computer network signal;
One coupling device is coupled to this second interface and this rectifying device, in order to this direct current and this computer network signal of being coupled; And
One the 3rd interface is coupled to this coupling device, in order to export direct current and this computer network signal after this coupling.
10. electric power injector apparatus according to claim 9 is characterized in that, this alternating current is an electric main.
11. electric power injector apparatus according to claim 9 is characterized in that, this first interface is a direct current jack.
12. electric power injector apparatus according to claim 9 is characterized in that, this second interface and the 3rd interface are respectively a RJ-45 connector.
13. electric power injector apparatus according to claim 9 is characterized in that, this computer network is an Ethernet.
14. electric power injector apparatus according to claim 9 is characterized in that it also comprises a filter, is coupled to this rectifying device, in order to filter this galvanic noise.
15. electric power injector apparatus according to claim 9 is characterized in that it also comprises safeties, is coupled to this rectifying device, in order to this galvanic size of current of restriction.
16. electric power injector apparatus according to claim 9 is characterized in that, it also comprises an anti-Electromagnetic interference filter, is coupled to this rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03272036 CN2648674Y (en) | 2003-06-20 | 2003-06-20 | Electric injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03272036 CN2648674Y (en) | 2003-06-20 | 2003-06-20 | Electric injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2648674Y true CN2648674Y (en) | 2004-10-13 |
Family
ID=34330828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03272036 Expired - Lifetime CN2648674Y (en) | 2003-06-20 | 2003-06-20 | Electric injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2648674Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104221263B (en) * | 2012-03-30 | 2017-07-28 | 施耐德电气动力驱动有限公司 | The rectifier circuit injected with electric current |
| EP3273563A1 (en) * | 2016-07-22 | 2018-01-24 | Rockwell Automation Technologies, Inc. | Intelligent power tap for providing power and communicating in industrial automation applications |
| EP3273564A3 (en) * | 2016-07-22 | 2018-04-25 | Rockwell Automation Technologies, Inc. | Intelligent power tap with zone control and safety zone control |
| US10108216B2 (en) | 2016-07-22 | 2018-10-23 | Rockwell Automation Technologies, Inc. | Power tap with adjustable configuration |
| US10154006B2 (en) | 2016-07-22 | 2018-12-11 | Rockwell Automation Technologies, Inc. | Systems, methods and apparatus for supporting multiple network addressing modes |
| US10218699B2 (en) | 2016-07-22 | 2019-02-26 | Rockwell Automation Technologies, Inc. | Systems and methods for adding a non-inherent component to a device key of a networked device |
| US10440620B2 (en) | 2016-07-22 | 2019-10-08 | Rockwell Automation Technologies, Inc. | Systems and methods for bidirectional network geography delivery |
-
2003
- 2003-06-20 CN CN 03272036 patent/CN2648674Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104221263B (en) * | 2012-03-30 | 2017-07-28 | 施耐德电气动力驱动有限公司 | The rectifier circuit injected with electric current |
| EP3273563A1 (en) * | 2016-07-22 | 2018-01-24 | Rockwell Automation Technologies, Inc. | Intelligent power tap for providing power and communicating in industrial automation applications |
| CN107645179A (en) * | 2016-07-22 | 2018-01-30 | 罗克韦尔自动化技术公司 | Electric power and the intelligent electric power coupler of communication are provided in industrial automation application |
| EP3273564A3 (en) * | 2016-07-22 | 2018-04-25 | Rockwell Automation Technologies, Inc. | Intelligent power tap with zone control and safety zone control |
| US10108238B2 (en) | 2016-07-22 | 2018-10-23 | Rockwell Automation Technologies, Inc. | Intelligent power tap for providing power and communicating in industrial automation applications |
| US10108216B2 (en) | 2016-07-22 | 2018-10-23 | Rockwell Automation Technologies, Inc. | Power tap with adjustable configuration |
| US10126799B2 (en) | 2016-07-22 | 2018-11-13 | Rockwell Automation Technologies, Inc. | Intelligent power tap with zone control and safety zone control |
| US10154006B2 (en) | 2016-07-22 | 2018-12-11 | Rockwell Automation Technologies, Inc. | Systems, methods and apparatus for supporting multiple network addressing modes |
| US10218699B2 (en) | 2016-07-22 | 2019-02-26 | Rockwell Automation Technologies, Inc. | Systems and methods for adding a non-inherent component to a device key of a networked device |
| US10440620B2 (en) | 2016-07-22 | 2019-10-08 | Rockwell Automation Technologies, Inc. | Systems and methods for bidirectional network geography delivery |
| CN107645179B (en) * | 2016-07-22 | 2020-11-20 | 罗克韦尔自动化技术公司 | Intelligent power tap to provide power and communications in industrial automation applications |
| US10860075B2 (en) | 2016-07-22 | 2020-12-08 | Rockwell Automation Technologies, Inc. | Intelligent power tap with zone control and safety zone control |
| EP3849037A1 (en) * | 2016-07-22 | 2021-07-14 | Rockwell Automation Technologies, Inc. | Intelligent power tap with zone control and safety zone control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130620 Granted publication date: 20041013 |