CN204118718U - The system that a kind of POE Ethernet provides surge energy to control - Google Patents
The system that a kind of POE Ethernet provides surge energy to control Download PDFInfo
- Publication number
- CN204118718U CN204118718U CN201420532633.2U CN201420532633U CN204118718U CN 204118718 U CN204118718 U CN 204118718U CN 201420532633 U CN201420532633 U CN 201420532633U CN 204118718 U CN204118718 U CN 204118718U
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- China
- Prior art keywords
- poe
- ethernet
- discharge tube
- gas discharge
- control
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Abstract
To the system that POE Ethernet provides surge energy to control, Ethernet input terminal unit holding wire on be connected with network transformer, power input subelement is connected on the former limit centre tap of network transformer, by network transformer, power supply and ethernet signal are carried out conjunction road, and by POE lead-out terminal unit export, each POE lead-out terminal in POE lead-out terminal unit over the ground between be connected to multilayer gap gas discharge tube.The utility model have employed Multiple level discharge tube and self-start circuit, increases arc voltage blow-out, thus avoids the ceramic gas discharge tube starting the arc fever phenomenon because DC power supply does not have zero passage to cause.Carry start-up circuit, avoid Multiple level high voltage start-up study.Network transformer is used in the multichannel decoupling circuit of signal and power supply by it, and network protection element carries current sensing abilities, and when exceeding spilling electric current, surge current is blocked and cannot be worked the mischief to rear class equipment by circuit.
Description
Technical field
The utility model discloses a kind of POE system, particularly a kind of system providing surge energy to control to POE Ethernet.
Background technology
POE(Power Over Ethernet) refer to when existing Ethernet Cat.5 wiring architecture does not make any changes, for the equipment of some IP-based terminals is if IP telephone machine, wireless local network connecting point AP, POE network printer or web camera etc. are while transmission of data signals, for it provides direct current supply.POE is also referred to as electric power system (the Power over LAN based on local area network (LAN), be called for short POL), active Ethernet (Active Ethernet) or Power over Ethernet etc., be the newest standards specification transmitting data and electrical power while of utilizing existing standard Ethernet transmission cable, and maintain the compatibility with existing Ethernet system and user.
Along with the development of the Internet, in various New technical use to product, POE is as a kind of new the Internet power solution, is used widely.During the Ethernet product adopting POE to power, the digital signal higher due to frequency multiplexing in netting twine and DC power supply, when the external world is disturbed by lightning surge, common POE mixer cannot bear high voltage and thunder and lightning em induced current, cause surge to be impacted by cable and enter Ethernet and civil power, cause user's rear end equipment to be damaged.Due to the surge of electric power that thunder and lightning and electromagnetic induction cause, usually endanger internet interface, cause network to lose connection, cause network outage to happen occasionally, make troubles to production and life.
Summary of the invention
For the shortcoming of the surge of electric power that the above-mentioned POE of the prior art mentioned can cause due to thunder and lightning and electromagnetic induction, the utility model provides a kind of system providing surge energy to control to POE Ethernet, it adopts special circuit structure design, effectively solve the problem, a kind of surge protection product being effectively used in POE network environment is provided.
The technical scheme that the utility model solves the employing of its technical problem is: a kind of system providing surge energy to control to POE Ethernet, system comprises power input subelement, Ethernet input terminal unit and POE lead-out terminal unit, the holding wire of Ethernet input terminal unit on be connected with network transformer, power input subelement is connected on the former limit centre tap of network transformer, by network transformer, power supply and ethernet signal are carried out conjunction road, and exported by POE lead-out terminal unit, each POE lead-out terminal in POE lead-out terminal unit over the ground between be connected to multilayer gap gas discharge tube.
The technical scheme that the utility model solves the employing of its technical problem further comprises:
Described multilayer gap gas discharge tube comprises the gas discharge tube G5 be connected to ground and the gas discharge tube that each POE lead-out terminal is connected, and the gas discharge tube that each POE lead-out terminal connects is connected in series with gas discharge tube G5 respectively.
Described gas discharge tube G5 is connected in parallel to self-start circuit.
Described self-start circuit comprises the thermistor VR1 and electric capacity C1 that are connected in parallel, and thermistor VR1 corresponds to gas discharge tube G5 and arranges.
Each Ethernet input terminal of described Ethernet input terminal unit is serially connected with an electric impulse absorber device.
Between two signal terminals of each holding wire centering of described Ethernet input terminal unit, cross-over connection has a TVS pipe.
Between the positive power line of described power input subelement and negative power line, cross-over connection has TVS pipe.
The positive power line of described power input subelement is serially connected with protective tube.
Between the positive power line of described power input subelement and negative power line, cross-over connection has power supply indicator.
The positive power line of described power input subelement and negative power line are serially connected with decoupling component respectively.
The beneficial effects of the utility model are: the utility model have employed Multiple level discharge tube and self-start circuit, increase arc voltage blow-out, thus avoid the ceramic gas discharge tube starting the arc fever phenomenon because DC power supply does not have zero passage to cause.And carry start-up circuit, avoid Multiple level high voltage start-up study.Network transformer is used in the multichannel decoupling circuit of signal and power supply by the utility model, and network protection element carries current sensing abilities, and when exceeding spilling electric current, surge current is blocked and cannot be worked the mischief to rear class equipment by circuit.Mixer in the utility model carries temperature control and current control device, and can provide Indication of Losing Efficacy.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is the utility model perspective view.
Fig. 2 is the utility model circuit block diagram.
Fig. 3 is the utility model circuit theory diagrams.
In figure, 1-shell, 2-panel, 3-Ethernet input port, 4-POE mixer output port, 5-power input interface, 6-status indicator lamp, 7-protects ground wire.
Embodiment
The present embodiment is the utility model preferred implementation, and other its principles all are identical with the present embodiment or approximate with basic structure, all within the utility model protection range.
Please refer to accompanying drawing 1, the utility model comprises shell 1, panel 2 and internal control circuit, panel 2 is fixedly mounted on shell 1, it is inner that internal control circuit is arranged on shell 1, panel 2 is provided with Ethernet input port 3, POE mixer output port 4 and power input interface 5, wherein, Ethernet input port 3 and power input interface 5 are respectively used to input, POE mixer output port 4 is for exporting, in the present embodiment, panel 2 is also provided with status indicator lamp 6, be used to indicate operating state of the present utility model, in the present embodiment, panel 2 is provided with protection ground wire 7, for ground connection.
Incorporated by reference to referring to accompanying drawing 2 and accompanying drawing 3, in the utility model, internal control circuit mainly comprises power input subelement, the meticulous surge protection unit of power supply (in the utility model, so-called meticulous surge protection refers to the surge protection unit adopting more than two-stage or two-stage to protect), power supply decoupling unit, Ethernet input terminal unit, Energy control overflows unit, the meticulous protected location of ethernet signal, multiple signals and power supply multiplexed network transformer, multilayer gap gas discharge tube and self-start circuit unit and POE lead-out terminal unit, wherein, power input subelement, the meticulous surge protection unit of power supply and power supply decoupling unit belong to power input part and divide, Ethernet input terminal unit, Energy control overflows unit, the meticulous protected location of ethernet signal and multiple signals and power supply multiplexed network transformer belong to ethernet signal input unit, multilayer gap gas discharge tube and self-start circuit unit and POE lead-out terminal unit belong to segment signal output, power input subelement is power input interface 5, input for power supply, power input terminal is for inputting 48VDC, positive supply after input and negative supply are divided into two-way respectively, the positive power line on every road and negative power line are connected in series with a diode respectively, can prevent electric power polarity from connecing and instead cause damage, between the galvanic positive pole in every road and negative pole, cross-over connection has current-limiting resistance and the light-emitting diode of series connection, use as work instruction.In the present embodiment, between the positive power line and negative power line of protective tube rear class, cross-over connection has TVS pipe, the direct current positive power line of power input terminal rear end is serially connected with protective tube, in the present embodiment, protective tube can adopt temperature-sensitive protective tube, and the TVS pipe that temperature-sensitive protective tube corresponds on positive-negative power line is arranged, when and the TVS pipe connect is struck by lightning or surge conducting adstante febre, protective tube resistance raises, and can reach the object blocking circuit, thus reduces the damage to circuit.Ethernet input terminal unit includes 8 input terminals, be divided into four groups of lines to (in the present embodiment, Ethernet input terminal unit wires adopts conventional technology to division methods, namely 1-2,3-6,4-5,7-8 tetra-to), the input of wherein every signal line is in series with an electric impulse absorber device respectively, when there is the big current suddenlyd change on the signal line of Ethernet input terminal, electric impulse absorber device then can disconnect, and prevents rear end equipment and device failure; When electric current on circuit recovers normal, electric impulse absorber device can recover conducting again, and electric impulse absorber device can play fine inhibitory action to the overcurrent on circuit.In the present embodiment, Ethernet input terminal unit often pair of holding wire between cross-over connection have a TVS pipe, TVS pipe can play inhibitory action to the overvoltage of holding wire, and the rear end of often pair of holding wire is all connected with a network transformer.Four power lines that power input part divides are connected on the centre tap on a former limit of network transformer, thus realize the object of power supply and network signal being carried out compound.In the present embodiment, be connected in series with a decoupling component (decoupling resistance or decoupling inductance can be adopted to realize, and in the present embodiment, decoupling component adopts decoupling resistance T2, T3, T4, T5) respectively at every bar power line.The output of network transformer is connected to a POE lead-out terminal, settling signal exports (in the present embodiment, Ethernet input terminal can adopt the rule of correspondence in routine techniques with the rule of correspondence of corresponding POE lead-out terminal or adopt user-defined rule), in the present embodiment, multilayer gap gas discharge tube is all connected with between each POE lead-out terminal and ground, namely the gas discharge tube that more than two-stage is connected in series is connected with, in the present embodiment, gas discharge tube G5 one end ground connection, the other end is electrically connected with each POE lead-out terminal of POE interface respectively by a gas discharge tube, in the present embodiment, gas discharge tube G1, gas discharge tube G2, gas discharge tube G3 and gas discharge tube G4 all adopts three-end air discharging pipe, its two ends are connected on the right one end of POE lead-out terminal holding wire, 3rd end is connected on gas discharge tube G5, by gas discharge tube G5 ground connection, namely formed POE lead-out terminal over the ground between be connected with multilayer gap gas discharge tube structure, in the present embodiment, thermistor VR1 and electric capacity C1 is connected in parallel to gas discharge tube G5, thermistor VR1 corresponds to gas discharge tube G5 and arranges, when multilayer gap gas discharge tube works, thermistor VR1 is used for discharge tube blow-out, avoid the ceramic gas discharge tube starting the arc fever phenomenon because DC power supply does not have zero passage to cause, electric capacity C1 is parallel to gas discharge tube G5, light a fire step by step for multistage discharge tube, after surge or thunderbolt terminate, gas discharge tube can not recover automatically, so, when when the thermistor VR1 that corresponding gas discharge tube G5 is arranged is heated gradually, resistance reduces, thermistor VR1 can drag down the magnitude of voltage at gas discharge tube G5 two ends, gas discharge tube G5 is resumed work, thus arrive self-starting object.
The utility model is by new circuit design; (structural design of the present utility model meets message transmission rate 1000mbps standard to realize message transmission rate 10/100/1000Mbps Adaptive Transmission; it can the message transmission rate of backward compatible 10/100Mbps) and the power supply of 48VDC/30W power multiplexing, and provide effective energy partition-type surge protection.Close road module work principle, surge protection adopts three grades of new protection, the first order, adopts Multiple level discharge tube and self-start circuit; The second level, is adopted network transformer decoupling, and DC power supply is introduced by network transformer former limit centre cap; The third level, is divided into network signal part in network transformer secondary output digit signals side, adds low economize on electricity and holds TVS pipe and big current spilling isolation circuitry, decayed by secondary side electric current and voltage.Power unit, adopts former limit centre cap extension to add low magnetic permeability inductance decoupling, and forms rear class protection by high-power TVS pipe and Thermal Cutoffs.The utility model adopts electric current and voltage synchronously to suppress surge energy separating technology, solves general lightning protection device and is only suppressed by voltage, and cause surge energy to continue transmission enter the internet equipment end, cause interface chip to damage.Also carry mixer checkout gear in the utility model, provide power-on self-test to mixer, normal green light, inefficacy green light goes out.
The utility model have employed Multiple level discharge tube and self-start circuit, increases arc voltage blow-out, thus avoids the ceramic gas discharge tube starting the arc fever phenomenon because DC power supply does not have zero passage to cause.And carry start-up circuit, avoid Multiple level high voltage start-up study.Network transformer is used in the multichannel decoupling circuit of signal and power supply by the utility model; network protection element uses electric impulse absorber utensil to have current sensing abilities; when exceeding spilling electric current, surge current is blocked and cannot be worked the mischief to rear class equipment by circuit.Mixer in the utility model carries temperature control and current control device, and can provide Indication of Losing Efficacy.
Claims (10)
1. the system providing surge energy to control to POE Ethernet, it is characterized in that: described system comprises power input subelement, Ethernet input terminal unit and POE lead-out terminal unit, the holding wire of Ethernet input terminal unit on be connected with network transformer, power input subelement is connected on the former limit centre tap of network transformer, by network transformer, power supply and ethernet signal are carried out conjunction road, and exported by POE lead-out terminal unit, each POE lead-out terminal in POE lead-out terminal unit over the ground between be connected to multilayer gap gas discharge tube.
2. the system providing surge energy to control to POE Ethernet according to claim 1, it is characterized in that: described multilayer gap gas discharge tube comprises the gas discharge tube G5 be connected to ground and the gas discharge tube that each POE lead-out terminal is connected, and the gas discharge tube that each POE lead-out terminal connects is connected in series with gas discharge tube G5 respectively.
3. the system providing surge energy to control to POE Ethernet according to claim 2, is characterized in that: described gas discharge tube G5 is connected in parallel to self-start circuit.
4. the system providing surge energy to control to POE Ethernet according to claim 3, is characterized in that: described self-start circuit comprises the thermistor VR1 and electric capacity C1 that are connected in parallel, and thermistor VR1 corresponds to gas discharge tube G5 and arranges.
5. the system providing surge energy to control to POE Ethernet according to claim 1 or 2 or 3 or 4, is characterized in that: each Ethernet input terminal of described Ethernet input terminal unit is serially connected with an electric impulse absorber device.
6. the system providing surge energy to control to POE Ethernet according to claim 1 or 2 or 3 or 4, is characterized in that: between two signal terminals of each holding wire centering of described Ethernet input terminal unit, cross-over connection has a TVS pipe.
7. the system providing surge energy to control to POE Ethernet according to claim 1 or 2 or 3 or 4, is characterized in that: between the positive power line of described power input subelement and negative power line, cross-over connection has TVS pipe.
8. the system providing surge energy to control to POE Ethernet according to claim 1 or 2 or 3 or 4, is characterized in that: the positive power line of described power input subelement is serially connected with protective tube.
9. the system providing surge energy to control to POE Ethernet according to claim 1 or 2 or 3 or 4, is characterized in that: between the positive power line of described power input subelement and negative power line, cross-over connection has power supply indicator.
10. the system providing surge energy to control to POE Ethernet according to claim 1 or 2 or 3 or 4, is characterized in that: the positive power line of described power input subelement and negative power line are serially connected with decoupling component respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420532633.2U CN204118718U (en) | 2014-09-17 | 2014-09-17 | The system that a kind of POE Ethernet provides surge energy to control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420532633.2U CN204118718U (en) | 2014-09-17 | 2014-09-17 | The system that a kind of POE Ethernet provides surge energy to control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118718U true CN204118718U (en) | 2015-01-21 |
Family
ID=52335998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420532633.2U Withdrawn - After Issue CN204118718U (en) | 2014-09-17 | 2014-09-17 | The system that a kind of POE Ethernet provides surge energy to control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204118718U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201662A (en) * | 2014-09-17 | 2014-12-10 | 深圳科安达电子科技股份有限公司 | System for providing surge energy control for POE (power over Ethernet) Ethernet |
| CN107332675A (en) * | 2017-07-31 | 2017-11-07 | 博为科技有限公司 | PoE equipment without network transformer |
-
2014
- 2014-09-17 CN CN201420532633.2U patent/CN204118718U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201662A (en) * | 2014-09-17 | 2014-12-10 | 深圳科安达电子科技股份有限公司 | System for providing surge energy control for POE (power over Ethernet) Ethernet |
| CN107332675A (en) * | 2017-07-31 | 2017-11-07 | 博为科技有限公司 | PoE equipment without network transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150121 Effective date of abandoning: 20180102 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150121 Effective date of abandoning: 20180102 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |