CN208768219U - A kind of protective device of POE power supplying switch - Google Patents
A kind of protective device of POE power supplying switch Download PDFInfo
- Publication number
- CN208768219U CN208768219U CN201820982465.5U CN201820982465U CN208768219U CN 208768219 U CN208768219 U CN 208768219U CN 201820982465 U CN201820982465 U CN 201820982465U CN 208768219 U CN208768219 U CN 208768219U
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- CN
- China
- Prior art keywords
- power supplying
- cable
- protective device
- poe power
- supplying switch
- 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.)
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Abstract
The utility model discloses a kind of protective devices of POE power supplying switch, including non-standard POE power supplying switch, cable, further include protective device, and described protective device one end is straight through cable connector, for connecting with non-standard POE power supplying switch；The protective device other end is straight through cable socket, for connecting with cable；Protection circuit is provided in the protective device, the protection circuit includes sequentially connected separated time module, protective module, link block, and the separated time module is connect with straight through cable socket, and the link block is connect with straight through cable connector；The protective module includes self-recovery fuse, 48V voltage-stabiliser tube.When cable accesses non-standard POE power supplying switch port, due to having damaged the short circuit that causes of IP terminal, and then cause the damage of non-standard POE power supplying switch.And after being provided with protection circuit, after correcting the corresponding IP terminal of wrong, non-standard POE power supplying switch restores to work normally.
Description
Technical field
The utility model relates to POE power supplying switch field, in particular to a kind of protective device of POE power supplying switch.
Background technique
With the rapid development of the new business such as WLAN, VoIP, Network Video Surveillance, a large amount of Wireless LAN AP, IP
The IP-based terminal such as Phone, IP Camera appears in us and lives around.These equipment are usually large number of, position is special
Very, power supply line wiring is complicated, equipment power-extracting is difficult, manpower and material resources is not only consumed during practical networking, but also increase and build
The cost of net.
POE technology then by the Ethernet data cable of standard to the network equipment connected, such as Wireless
The method that LAN AP, IP Phone, IP Camera etc. carry out remote power feeding, avoiding will be in each IP network terminal equipment
On the problem of all installing individual power-supply device can so that need not be the individual power-supply system of deployed with devices in use site
Greatly reduce the wiring and management cost of deployment terminal device.
The main application fields of POE interchanger are that wireless aps, IP phone, IP network camera etc. are produced based on IP terminal at present
The network application of product, power demand are usually no more than 15.4W.By in a network apply POE technology, solve wireless aps,
The problem troublesome in ceiling, corridor, the first-class power supply of door such as web camera.Simultaneously POE interchanger can also provide QoS, VLAN,
The management functions such as ACL, the needs of meeting network to equipment performance and functionally.
But many enterprises are at present for save the cost, usually can also buy the off-gauge POE interchanger of selection, it is this kind of
Usually not POE controls chip inside POE interchanger, does not detect the function whether IP terminal supports POE, and the POE used
Connecting line is no different in shape with common cable, therefore there is the hidden danger for burning IP terminal, and then non-standard POE power supply is caused to be handed over
It changes planes damage.
Summary of the invention
The purpose of this utility model is that: a kind of protective device of POE power supplying switch is provided, POE interchanger is solved
Inside usually not POE controls chip, does not detect the function whether IP terminal supports POE, and the POE connecting line used with it is general
Logical cable is no different in shape, therefore there is the hidden danger for burning IP terminal, and then leads to non-standard POE power supplying switch damage
Problem.
The technical solution adopted in the utility model is as follows:
A kind of protective device of POE power supplying switch, including non-standard POE power supplying switch, cable further include protection dress
It sets, described protective device one end is straight through cable connector, for connecting with non-standard POE power supplying switch；The protective device
The other end is straight through cable socket, for connecting with cable；Protection circuit, the protection circuit are provided in the protective device
Including sequentially connected separated time module, protective module, link block, the separated time module is connect with straight through cable socket, described
Link block is connect with straight through cable connector；The protective module includes self-recovery fuse, 48V voltage-stabiliser tube.It is accessed in cable
When non-standard POE power supplying switch port, due to having damaged the short circuit that causes of IP terminal, and then causes non-standard POE power supply and hand over
The damage changed planes.And after being provided with protection circuit, after correcting the corresponding IP terminal of wrong, non-standard POE power supplying switch is extensive
It is multiple to work normally.Protective device one end be straight through cable connector, the other end be straight through cable socket, can effectively realize dismounting and
It is extensive, using more flexible convenient.Separated time module is used to isolate 8 pin export lines of cable, draws 8 companies from pin
Wiring；Protective module includes self-recovery fuse, 48V voltage-stabiliser tube, collectively forms protection circuit.Link block is for connecting
Protective device and non-standard POE power supplying switch.
Further, the protective module is additionally provided with disconnect switch.4,5 lines of cable extraction are arranged in disconnect switch
On, power supply when this two sections of circuits are using the free time, to increase one layer of protection again.
Further, light emitting diode is provided in the protective module.Whether the light emitting diode is for prompting to have
Electricity.
Further, the separated time module carries out separated time to 4,5,7,8 feet of straight through cable.Referring to IEEE80 2.3af's
Regulation, 4,5 feet are connected as anode when the idle foot of the application of cable being allowed to power, and 7,8 feet are connected as cathode.Therefore, to 4,5,7,8
The purpose that foot carries out separated time is to efficiently separate out the cable pin charged, convenient for the subsequent action of protective module.
Further, in the link block, 1,2,3,6 feet and straight through cable connector of cable are connected by multiple twin mode
It connects.Twisted pair is most common transmission medium in a kind of generic cabling engineering, is by two copper conductors with insulating protective layer
Composition.The copper conductor of two eradication edge is twisted mutually together by certain density, what each conducting wire radiated in the transmission
The electric wave that electric wave can be issued on another single line is offset, and the degree of signal interference is effectively reduced.
Further, the self-recovery fuse uses polymeric PPTC fuse, as the utility model
Preferred embodiment.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1. a kind of protective device of POE power supplying switch, can the non-standard POE power supplying switch of effective protection, avoid sending out
It is raw to be shorted.
2. a kind of protective device of POE power supplying switch, can effectively realize dismounting and extensive, using it is more flexible just
It is prompt.
3. a kind of protective device of POE power supplying switch has design rationally, convenient and practical feature.
Detailed description of the invention
The utility model will illustrate by example and with reference to the appended drawing, in which:
Fig. 1 is the structural schematic diagram of the utility model protective device
Fig. 2 is the circuit diagram of the utility model protective device；
In figure, 1. non-standard POE power supplying switches, 2. cables, 3. protective devices, 31. straight through cable connectors, 32. quasi- nets
Line jack, 33. protection circuits, 331. restore fuse, 332.8V voltage-stabiliser tube, 333. way switch, 334. optical diodes.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Below with reference to Fig. 1, Fig. 2, elaborate to the utility model.
A kind of protective device of POE power supplying switch, including non-standard POE power supplying switch 1, cable 2 further include protection
Device 3, described 3 one end of protective device is straight through cable connector 31, for connecting with non-standard POE power supplying switch 1；The guarantor
3 other end of protection unit is straight through cable socket 32, for connecting with cable 2；Protection circuit is provided in the protective device 3
33, the protection circuit 33 includes sequentially connected separated time module, protective module, link block, the separated time module and standard
Network cable jack 32 connects, and the link block is connect with straight through cable connector 31；The protective module includes self-recovery fuse
331,48V voltage-stabiliser tube 332.Separated time module is used to isolate 8 pin export lines of cable 2, draws 8 connecting lines from pin and is
It can；Protective module includes self-recovery fuse 331,48V voltage-stabiliser tube 332.
Working principle/the course of work of the utility model are as follows: access non-standard 1 port of POE power supplying switch in cable 2
When, due to having damaged the short circuit that causes of IP terminal, and then cause the damage of non-standard POE power supplying switch 1.And it is provided with protection
After circuit 33, after correcting the corresponding IP terminal of wrong, non-standard POE power supplying switch 1 restores to work normally.Protective device 3
One end be straight through cable connector 31, the other end be straight through cable socket 32, can effectively realize dismounting and it is extensive, using more
Flexibly convenient, link block is for connecting protective device 3 and non-standard POE power supplying switch 1.The protective module is additionally provided with
Disconnect switch 333.Disconnect switch 333 is arranged on 4,5 lines of the extraction of cable 2, power supply when this two sections of circuits are using the free time,
To increase one layer of protection again.Light emitting diode 334 is provided in the protective module.The light emitting diode 334 is used for
Whether prompt has electricity.The separated time module carries out separated time to 4,5,7,8 feet of straight through cable.Referring to the rule of IEEE80 2.3af
Fixed, 4,5 feet are connected as anode when the idle foot of the application of cable 2 being allowed to power, and 7,8 feet are connected as cathode.Therefore, to 4,5,7,8
The purpose that foot carries out separated time is to efficiently separate out 2 pin of cable charged, convenient for the subsequent action of protective module.The connection mould
In block, 1,2,3,6 feet of cable 2 are connected by multiple twin mode.Twisted pair is most common transmission in a kind of generic cabling engineering
Medium is made of two copper conductors with insulating protective layer.The copper conductor of two eradication edge is twisted mutually by certain density
Together, the electric wave that the electric wave that each conducting wire radiates in the transmission can be issued on another single line is offset, and is effectively reduced
The degree of signal interference.
The cable 2 uses but is not limited to CAT5E UTP cable, six class lines, surpasses six class lines, seven class lines；The self-recovery fuse
331 use but do not limit the SMD1210 type fuse for protecting the logical PROTECTOM of electricity；The 48V voltage-stabiliser tube 332 is used but is not limited
SEMTECH/ senko LL-34 type zener diode；The light emitting diode 334 uses but does not limit the color fast shwoot of macro continent electronics seven
Optical diode.
The above, only preferred embodiments of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art, can be without creative labor in the technical scope disclosed by the utility model
The dynamic change or replacement expected, should be covered within the scope of the utility model.Therefore, the protection model of the utility model
Enclosing be determined by the scope of protection defined in the claims.
Claims (6)
1. a kind of protective device of POE power supplying switch, it is characterised in that: including non-standard POE power supplying switch (1), cable
(2), which is characterized in that further include protective device (3), described protective device (3) one end be straight through cable connector (31), for
Non-standard POE power supplying switch (1) connection；Protective device (3) other end is straight through cable socket (32), is used for and cable
(2) it connects；Protection circuit (33) is provided in the protective device (3), the protection circuit (33) includes sequentially connected point
Wire module, protective module, link block, the separated time module are connect with straight through cable socket (32), the link block and mark
Quasi- Network Cable Connector (31) connection；The protective module includes self-recovery fuse (331), 48V voltage-stabiliser tube (332).
2. a kind of protective device of POE power supplying switch according to claim 1, it is characterised in that: the protective module
It is additionally provided with disconnect switch (333).
3. a kind of protective device of POE power supplying switch according to claim 1, it is characterised in that: the protective module
On be provided with light emitting diode (334).
4. a kind of protective device of POE power supplying switch according to claim 1, it is characterised in that: the separated time module
Separated time is carried out to 4,5,7,8 feet of straight through cable.
5. a kind of protective device of POE power supplying switch according to claim 1, it is characterised in that: the link block
In, 1,2,3,6 feet of cable (2) are connect with straight through cable connector (31) by multiple twin mode.
6. a kind of protective device of POE power supplying switch according to claim 1, it is characterised in that: the self- recoverage is protected
Dangerous silk (331) uses polymeric PPTC fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820982465.5U CN208768219U (en) | 2018-06-25 | 2018-06-25 | A kind of protective device of POE power supplying switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820982465.5U CN208768219U (en) | 2018-06-25 | 2018-06-25 | A kind of protective device of POE power supplying switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208768219U true CN208768219U (en) | 2019-04-19 |
Family
ID=66127545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820982465.5U Expired - Fee Related CN208768219U (en) | 2018-06-25 | 2018-06-25 | A kind of protective device of POE power supplying switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208768219U (en) |
-
2018
- 2018-06-25 CN CN201820982465.5U patent/CN208768219U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 Termination date: 20190625 |