CN102571365A - Power supply and data transmission device of wireless local area network access point - Google Patents
Power supply and data transmission device of wireless local area network access point Download PDFInfo
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- CN102571365A CN102571365A CN2011100086051A CN201110008605A CN102571365A CN 102571365 A CN102571365 A CN 102571365A CN 2011100086051 A CN2011100086051 A CN 2011100086051A CN 201110008605 A CN201110008605 A CN 201110008605A CN 102571365 A CN102571365 A CN 102571365A
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Abstract
The invention discloses a power supply and data transmission device of a wireless local area network access point, which comprises a data branching module, a digital signal modulator-demodulator, a power supply branching module, a power supply module and a POE (Power Over Ethernet) module, wherein the data branching module is used for dividing an original access data transmission cable of a first data transmission line accessing into a wireless communication base station and a second data transmission line accessing into a WLAN AP (Wireless Local Area Network Access Point); the digital signal modulator-demodulator is used for modulating and demodulating an analog or digital signal in the second data transmission line to an Ethernet data signal; the power supply branching module is used for dividing the original power supply cables of the wireless communication base station into a first power line accessing into the wireless communication base station and a second power line supplying power for the WLAN AP; the power supply module is used for supplying power for the digital signal modulator-demodulator and the POE module through an electrical signal of the second power line; and the POE module is used for synthesizing the electrical signal provided by the power supply module and the Ethernet data signal to obtain a composite signal input to the WLAN AP. The power supply and data transmission device of the wireless local area network access point provides data transmission and power supply resources for the WLAN AP by using the traditional supporting facilities of the wireless communication base station, thus the cost and the construction difficulty are reduced.
Description
Technical field
The present invention relates to the communication technology, especially a kind of wireless local network connecting point (Wireless Local Area Network Access Point, hereinafter to be referred as: power supply WLAN AP) and data transmission device.
Background technology
When WLAN AP carries out the exterior components installation, need to solve its power supply and return problem with wired side data.In the prior art, newly lay Long Range Ethernet transmission cable, that is: a netting twine in the outdoor mounted place.Through local area network (LAN) (local area network, hereinafter to be referred as: LAN) mode provides data transmission channel to WLAN AP; Simultaneously, (Power over Ethernet hereinafter to be referred as PoE) technical standard, uses this LAN transmission cable to supply power to WLAN AP to utilize IEEE 802.11af POE.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Because need lay a Long Range Ethernet transmission cable in the outdoor mounted place separately, and the ultimate range of this transmission cable can not be above 100 meters, therefore, construction is complicated, cost is high, the wasting of resources.
Summary of the invention
Embodiment of the invention technical problem to be solved is: power supply and data transmission device that a kind of wireless local network connecting point is provided; Return problem with transfer of data that makes full use of existing wireless communication base stations and power supply and the wired side data that the power supply resource solves WLAN AP; To reduce cost and difficulty of construction, improve resource utilization.
The embodiment of the invention provides power supply and the data transmission device of a kind of WLAN AP, comprising:
Data are divided wire module, are used for the former access data transmission cable of radio communication base station is divided into first data line and second data line that is used to insert wireless local network connecting point WLAN AP that is used to insert said radio communication base station;
Various digital signal modulator-demodulators, the analog or digital modulating and demodulating signal that is used for second data line is transmitted becomes the Ethernet data signal;
Power supply divides wire module, is used for the former access power cable of radio communication base station is divided into first power line and the second source line that is used to WLAN AP power supply that is used to insert said radio communication base station;
Supply module, being used for through the signal of telecommunication that said second source line provides is said digital signal modulator-demodulator and POE POE module for power supply;
The POE module, the signal of telecommunication and the said Ethernet data signal that are used for said supply module is provided synthesize, and obtain being used to import the composite signal of WLAN AP, and said composite signal comprises the said signal of telecommunication and said Ethernet data signal.
Telecom operators have millions of various radio communication base stations at present; For example: personal handyphone system (Personal Handy-phone System; Hereinafter to be referred as: PHS; Be also referred to as: Personal Handyphone System) base station, global system for mobile communications (Global System for Mobile Communications; Hereinafter to be referred as: GSM) base station, code division multiple access (Code Division Multiple Access, hereinafter to be referred as: CDMA) base stations in mobile communication system etc., these radio communication base stations all have auxiliary facilities such as perfect remote outdoor power supply and data transmission resources.Power supply and the data transmission device of the WLAN AP that the above embodiment of the present invention provides; Under the prerequisite that does not influence the operation of existing network radio communication base station; Former data transmission cable and the former power cable that will be used to insert a former radio communication base station respectively originally part along separate routes is used for WLAN AP is supplied power and transfer of data; And sending to WLAN AP after utilizing the POE technology that the signal of telecommunication and data-signal are synthesized, power supply and the data transmission resources that makes full use of former radio communication base station solves the difficult problem of outdoor WLAN AP project installation medium and long distance power supply and transfer of data, owing to need not to lay the Long Range Ethernet transmission cable separately in the outdoor mounted place; Compared with prior art; Reduce required cost and difficulty of construction, further saved telecommunication system resources, improved resource utilization.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the power supply of WLAN AP of the present invention and the structural representation of an embodiment of data transmission device;
Fig. 2 is the structural representation of an embodiment of supply module in the power supply of WLAN AP of the present invention and the data transmission device;
Fig. 3 is the structural representation of an embodiment of the general integrated box main body part of WLAN of the present invention;
Fig. 4 is the structural representation of an embodiment of casing in the embodiment of the invention;
Fig. 5 is the deployment scheme sketch map of an application implementation example of the general integrated case of WLAN of the present invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fig. 1 is the power supply of WLAN AP of the present invention and the structural representation of an embodiment of data transmission device.As shown in Figure 1, the power supply of embodiment of the invention WLAN AP and data transmission device comprise that data divide wire module 101, digital signal modulator-demodulator 102, power supply to divide wire module 103, supply module 104 and POE module 105.
Wherein, data divide wire module 101 to be used for the former access data transmission cable 11 of radio communication base station is divided into first data line 21 and second data line 22 that is used to insert WLAN AP that is used for the access to wireless communication base station.
Digital signal modulator-demodulator 102 divides wire module 101 to be connected with data, is used for the Ethernet data signal that becomes WLAN AP to receive second data line, the 22 original analog or digital modulating and demodulating signals that transmit.
Power supply divides wire module 103 to be used for the former access power cable 12 of radio communication base station is divided into first power line 23 and the second source line 24 that is used to WLAN AP power supply that is used for the access to wireless communication base station.
The present invention adopts power supply and the data transmission device of a kind of WLAN AP; Former power cable and former data transmission cable with original access to wireless communication base station is divided into two-way respectively; One road power cable and data transmission cable access to wireless communication base station are for radio communication base station provides power supply and data transmission channel; Another road power cable and data transmission cable are respectively applied for to WLAN AP provides and supply power and transfer of data; Send to WLAN AP after through WLAN POE technology the signal of telecommunication and data-signal being synthesized; Under the prerequisite that does not influence the operation of existing network radio communication base station; Utilize data line idle in the former data transmission cable of radio communication base station to transmit newly-increased Ethernet data signal, can effectively promote the utilance of former data transmission cable, the power supply that makes full use of radio communication base station and data transmission resources solve the difficult problem of outdoor WLAN AP project installation medium and long distance power supply and transfer of data; Owing to need not to lay the Long Range Ethernet transmission cable separately in the outdoor mounted place; Effectively reduce required cost and difficulty of construction, further save telecommunication system resources, improved resource utilization.
Radio communication base station in the embodiment of the invention can comprise: personal handyphone system (Personal Handy-phone System; Hereinafter to be referred as: PHS; Personal Handyphone System) or GSM base station or CDMA mobile communication system base station or CDMA2000 base stations in mobile communication system or WCDMA (Wideband Code Division Multiple Access be also referred to as:; Hereinafter to be referred as: WCDMA) base stations in mobile communication system or Time Division-Synchronous Code Division Multiple Access (Time Division-Synchronous Code Division Multiple Access; Hereinafter to be referred as: TD-SCDMA) (Long Term Evolution is hereinafter to be referred as LTE) base stations in mobile communication system for base stations in mobile communication system or Long Term Evolution.
As an instantiation of the present invention; In practical application; Digital signal modulator-demodulator 102 can select to adopt various digital subscriber lines (x Digital Subscriber Line according to the actual requirements; Hereinafter to be referred as: xDSL) modulator-demodulator or optical-electrical converter or ONT Optical Network Terminal (Optical Network Termination, hereinafter to be referred as: ONT) realize.For example: for existing P HS base station, owing to generally adopt copper cable as data transmission cable, according to the embodiment of the invention, the xDSL modulator-demodulator that can select ability modulation copper cable line signal is as the digital signal modulator-demodulator.XDSL is all kinds digital subscriber line (Digital Subscriber Line; Hereinafter to be referred as: general name DSL); Comprise Asymmetrical Digital Subscriber Line (Asymmetrical Digital Subscriber Line; Hereinafter to be referred as: ADSL), RADSL (Rate Adaptive Digital Subscriber Line; Hereinafter to be referred as: RADSL), Very High Speed Digital Subscriber Line (Very high bit rate Digital Subscriber Line; Hereinafter to be referred as: VDSL), Symmetric Digital Subscriber Line (symmetric digital subscriber line; Hereinafter to be referred as: SDSL), the IDSL road (ISDN Digital Subscriber Line, hereinafter to be referred as: IDSL) with the high-bit-rate digital subscriber line road (High bit-rate DSL, hereinafter to be referred as: HDSL) etc.XDSL modulation implement body can be with the xDSL mode, for example: modes such as ADSL2+, VDSL2, long distance is transmitted the Ethernet data signal, therefore can further save telecommunication system resources, improves resource utilization.
Because various radio communication base stations have similarly remote outdoor power supply facilities and data transmission resources; Among each embodiment below the present invention; Auxiliary facility with the PHS base station in the existing telecom operators is that example describes; For other radio communication base station, power supply and the data transmission device of the WLAN AP that all can provide with reference to various embodiments of the present invention are for WLAN AP provides power supply and data transport service.
In the practical application, generally below 100W, the power consumption of most of PHS base station is about 45w for the power consumption of PHS base station.And the power consumption of the outdoor high-power AP of WLAN is usually below 15W, and the power consumption of xDSL modulator-demodulator is usually less than 10W.Mains-supplied is mainly adopted in the PHS base station, and the peak power output of former access power cable 12 adopts the power supply of direct current remote power feeding system on a small quantity at least greater than 220W, and peak power output is up to 140W.Therefore, the power resources of existing network PHS base station can satisfy the power demands of PHS base station and WLANAP simultaneously.
In addition, the PHS base station lays 10 pairs of twisted-pair feeders of an outdoor version usually, and promptly former access data transmission cable 11 is as data transmission resources.Wherein, 2～4 pairs of twisted-pair feeders are used for the returning data of PHS base station, vacant 6～8 pairs of twisted-pair feeders.Therefore, if adopt the returning data mode of xDSL technology as WLAN AP, in the former access data transmission cable 11 except that inserting the PHS base station remaining twisted-pair feeder quantity can satisfy the transfer of data demand of WLAN AP simultaneously.
As the power supply of WLAN AP of the present invention and another embodiment of data transmission device; Because communication service all has branch cloth characteristics such as regular hour, region; Can formulate first strategy in advance according to the characteristic distributions of communication service; For example: the corresponding relation between the time period and first data line 21, second data line, 22 quantity; Data divide wire module 101 specifically can be first diverter switch; This first diverter switch specifically can be confirmed the quantity of first data line 21 and second data line 22, and in view of the above former access data transmission cable 11 is divided into first data line 21 and second data line 22 of respective numbers according to first strategy of formulating in advance.As shown in table 1 below, be a content instance of first strategy.
Table 1
In concrete the application, data divide wire module 101 can comprise a data line bank.What the data line bank was imported is the former access data transmission cable 11 of PHS base station; This former access data transmission cable 11 comprises 10 pairs of twisted-pair feeders, arranges by chromatogram and is followed successively by white orchid, Bai Cheng, green, white palm fibre, lime, red orchid, blood orange, red green, reddish brown, red ash in vain.What the data line bank was exported is first data line 21 and second data line 22.Wherein, first data line 21 is linked into the PHS base station, and to be used for the ISDN transfer of data of PHS base station, the initial number of first data line 21 can be 2～4 pairs in 10 pairs of twisted-pair feeders; Second data line 22 is linked into digital signal modulator-demodulator 102; To be used for the transfer of data of digital signal modulator-demodulator 102; That is: transmit the WLAN data-signal, the initial number of second data line 22 can be that 10 pairs of lists in the twisted-pair feeder are to twisted-pair feeder.
When telling first data line 21, can be right according to the used twisted-pair feeder in PHS base station, with the incoming line of data line bank and output line to docking correspondingly by identical chromatogram.For example: if white orchid, Bai Cheng, green, white brown 4 pairs of twisted-pair feeders are in vain used in the PHS base station; Then from former access data transmission cable of importing 11 and first data line of exporting 21, tell this 4 pairs of twisted-pair feeders respectively; And utilize the data line bank, they are coupled together by identical chromatogram correspondingly.
When telling second data line 22; Can from the former access data transmission cable 11 of input except that 4 pairs of twisted-pair feeders using of PHS base station residue line centering, pick out the transfer of data that a pair of loop resistance minimal data transmission line is used for digital signal modulator-demodulator 102.For example: the residue line centering except that 4 pairs of twisted-pair feeders that use the PHS base station of former access data transmission cable 11; The twisted-pair feeder loop resistance that records the red green spectrum is minimum; Such as 300 ohm; Then from former access data transmission cable 11, tell this twisted-pair feeder, and through the data line bank, the twisted-pair feeder that is connect with digital signal modulator-demodulator 102 is connected.
Similarly; As the power supply of WLAN AP of the present invention and another embodiment of data transmission device; Power supply divides wire module 103 specifically can be second diverter switch; This second diverter switch specifically can be confirmed the quantity of first power line 23 and second source line 24 according to second strategy of formulating in advance, and former access power cable 12 is divided into first power line 23 and second source line 24 of respective numbers in view of the above.
Formulate corresponding strategy according to the service distribution particular demands; Confirm to give along separate routes PHS base station and the power line of WLAN AP, the quantity of data line; And adopt diverter switch that the former access data transmission cable 21 of original access PHS base station is carried out smart allocation with former access data transmission cable 11, can realize to the communication resource further fully, the efficient utilization.
In addition, in the power supply and data transmission device of above-mentioned each the embodiment WLAN AP of the present invention, supply module 104 can comprise interconnective full-wave rectifying circuit unit 201 and direct current transformation circuit unit 202.As shown in Figure 2, be the structural representation of an embodiment of supply module in the power supply of WLAN AP of the present invention and the data transmission device.
Wherein, full-wave rectifying circuit unit 201 divides wire module 103 to be connected with power supply, is used for the electric current of second source line 24 of input is carried out full-wave rectification and Filtering Processing, the primary current unification in the second source line 24 is shaped to the direct current of predeterminated voltage value.Wherein, The electric current that is input to full-wave rectifying circuit unit 201 from second source line 24 can be 220V alternating current (Alternating Current; Hereinafter to be referred as: AC) or 220V direct current (direct current; Hereinafter to be referred as: DC), also can be the alternating current or the direct current of other magnitude of voltage, an instantiation of predeterminated voltage value be like 220V.Direct current transformation circuit unit 202 is used for the direct current of the predeterminated voltage value of full-wave rectifying circuit unit 201 outputs is changed into the dc signal of the operational voltage value of digital signal modulator-demodulator 102 and POE module 105, to be respectively digital signal modulator- demodulator 102 and 105 power supplies of POE POE module.In the present practical application, the operational voltage value of digital signal modulator-demodulator 102 mainly comprises two kinds of 9V and 12V, and the operational voltage value of POE module 105 mainly adopts 48V.
Further, again referring to Fig. 2, the supply module 104 of the embodiment of the invention can also comprise interconnective timing control unit 203 and timing switch circuit unit 204.Wherein, timing control unit 203 is used to receive the timing controlled data and is transmitted to timing switch circuit unit 204, and timing controlled data wherein comprise preset period of time data and switch control data.In concrete the application, timing control unit 203 can through a keyboard and light-emitting diode (light-emitting diode, hereinafter to be referred as: LED) display is realized, the user can import preset period of time data and switch control data through keyboard.Timing switch circuit unit 204 is used for the timing controlled data according to timing control unit 203 inputs, and the signal of telecommunication that offers digital signal modulator-demodulator 102 and POE module 105 is carried out timing switch control.As shown in table 2 below, be a content instance of timing controlled data.
Table 2
| Preset period of time | Switch control |
| 00:00～00:01 | Close |
| 00:02～23:59 | Open |
Behind digital signal modulator-demodulator 102 long time continuous workings; Possibly faults such as timing error appear because of line quality problems such as copper cable, optical cables; Causing digital signal modulator-demodulator 102 to connect interrupts; Behind the WLAN AP long time continuous working, also faults such as wireless client can't connect possibly appear because of a variety of causes.Supply module 104 has and regularly restarts function in the embodiment of the invention; Can carry out timing switch control to the signal of telecommunication that offers digital signal modulator-demodulator 102 and POE module 105; For example: at one's leisure the section; Such as midnight; Automatically restart digital signal modulator-demodulator 102 and POE module 105 and WLAN AP, connect digital signal modem 102 circuits again and restart WLAN AP, can effectively overcome the failure problems that WLAN AP and corollary equipment thereof cause because of long time continuous working.
In practical application, digital signal modulator-demodulator 102 can adopt two kinds of different operating voltages values, and for example: 9V and 12V are expressed as first magnitude of voltage and second magnitude of voltage respectively.At this moment; Direct current transformation circuit unit 202 specifically just the direct current of the predeterminated voltage value of full-wave rectifying circuit unit 201 output change into respectively first magnitude of voltage dc signal, second magnitude of voltage dc signal and with the dc signal of the operational voltage value of POE module 105, to satisfy the power demands of digital signal modulator-demodulator 102 and POE module 105 in the practical application.Accordingly; Again referring to Fig. 2; The supply module 104 of the embodiment of the invention can further include either-or switch 205; Being used for the operational voltage value according to 102 actual demands of digital signal modulator-demodulator, from the dc signal of the dc signal of first magnitude of voltage and second magnitude of voltage, selecting one and export to digital signal modulator-demodulator 102, is 102 power supplies of digital signal modulator-demodulator.Wherein, this either-or switch 205 can be an intelligent switch, and the operational voltage value of digital signal modulator-demodulator 102 actual demands that are provided with according to manual work realizes that the dc signal of first magnitude of voltage and the automatic selection of the dc signal of second magnitude of voltage export; In addition, also can select to export the dc signal of first magnitude of voltage or the dc signal of second magnitude of voltage through Artificial Control.
In addition; As the power supply of WLAN AP of the present invention and another embodiment of data transmission device; In the power supply and data transmission device of above-mentioned each the embodiment WLAN AP of the present invention; Power supply divides wire module 103 can comprise duplex air earth leakage circuit-breaker 301, zero line row 302 and ground connection row 303, and is as shown in Figure 3.Wherein, duplex air earth leakage circuit-breaker 301 is also referred to as air switch, is used for controlling the connecting and disconnecting of former access power cable 12 live wires, is expressed as: on/off, and live wire in the former access power cable 12 is divided into first live wire and second live wire.Zero line row 302 is used for former access power cable 12 zero lines are divided into first zero line and second zero line, and zero line, first zero line and second zero line in the former access power cable 12 of tandem.Ground wire row 303 is used for former access power cable 12 ground wires are divided into first ground wire and second ground wire, and ground wire, first ground wire and second ground wire in the former access power cable 12 of tandem.Wherein, first live wire, first zero line and first ground wire constitute first power line 23, take back the PHS base station, so that the PHS base station is supplied power; Second live wire, second zero line and second ground wire constitute second source line 24, are access to supply module 104, so that supplied power to xDSL modulator-demodulator 102 and POE module 105 respectively by this supply module 104.
In concrete the application, the former access power cable 12 of PHS base station is a triaxial cable, comprises live wire, zero line and ground wire.Wherein, the method that connects of scene 2 is advanced in 301 employings one of duplex air earth leakage circuit-breaker, has both controlled the on/off of live wire in the former access power cable 12, again the live wire inlet wire in the former access power cable 12 is divided into the outlet of two-way live wire: first live wire and second live wire.Zero line row 302 is first zero line and second zero line with zero line in the former access power cable 12, and the zero line of input in the former access power cable 12 and first zero line, the second zero line tandem of output are arranged 302 to zero line, and one of formation zero line advances scene 2.Ground wire row 303 is divided into first ground wire and second ground wire with ground wire in the former access power cable 12, and the ground wire of input in the former access power cable 12 and first ground wire, the second ground wire tandem of output are arranged 303 to ground wire, and one of formation ground wire advances scene 2.
Power supply and the data transmission device of the WLAN AP that above-mentioned each embodiment of the present invention provides specifically can be arranged in the casing, so that apply the present invention to power supply and the transfer of data of different location WLAN AP.Structural representation as shown in Figure 3, as to be arranged on an embodiment of the general integrated box main body part of the WLAN that forms in the casing for power supply and data transmission device with WLAN AP.The general integrated case of this WLAN can be installed on by the different PHS outdoor base stations; Can be installed on integrated circuit (integrated circuit; Hereinafter to be referred as: IC) in the card telephone box lamp box; Also can be fixed on the electric pole, simultaneously near PHS base station, WLAN AP power supply and transmission data through anchor ear.Fig. 3 mainly shows the wiring explanation of box house.
Fig. 4 is the structural representation of an embodiment of casing in the embodiment of the invention.As shown in Figure 4, it is the galvanized steel plain sheet processing of 1mm that this casing adopts thickness, and surface baking vanish after polishing is handled.Casing can effectively stop the thermal radiation and the rainwater of the sun.The both sides of casing have shutter 401, in the inside of shutter 401 anti-dust filter mesh are housed, and can prevent effectively that dust from getting into box house.Capillary groove 402 is arranged on the doorframe of casing, waterproof sealing rubber 403 is housed on the chamber door, can prevent effectively that rainwater, dust from getting in the casing.The boss 404 of protruding 10mm is down arranged at the bottom of casing, can prevent effectively that rainwater from flowing backwards.A possible dimensions of casing is: and 30cm is wide * and 20cm is thick * and 47cm is high.
The general integrated case of the WLAN that the embodiment of the invention provides can be installed on by the various outdoor PHS base stations such as building roofing, electric pole, IC-card telephone box; Can make full use of these existing power supply in outdoor PHS base station and data transmission resources; Solve remote power-feeding and data transmission problems that WLAN AP project installation runs into effectively, at low cost, and can effectively overcome the failure problems that WLAN AP and corollary equipment thereof cause because of long time continuous working.As shown in Figure 5, be the deployment scheme sketch map of an application implementation example of the general integrated case of WLAN of the present invention.
Each embodiment all adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that same or analogous part cross-references gets final product between each embodiment.For device embodiment, because it is similar basically with method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The embodiment of the invention can make full use of PHS network idle power supply and data circuit, satisfies the needs of the quick networking of WLAN, and helps resource and reuse; Do not change the power supply and the data access of PHS base station, and do not influence the performance index such as waterproof of PHS base station equipment; Need not newly to lay the electric power and the data transmission cable of long distance, can effectively satisfy WLAN AP equipment to power supply and the remote project installation requirement that inserts of data, construction is simple, and improvement cost is low; Can regularly restart wlan device and network link thereof automatically, effectively prevent the fault that causes because of the equipment long time continuous working; Volume of the present invention is less, and it is extensive to be suitable for scene, can be applicable to outdoor mounted environment such as building roofing, electric pole, IC-card telephone box.
Description of the invention provides for example with for the purpose of describing, and is not the disclosed form that exhaustively perhaps limit the invention to.A lot of modifications and variation are obvious for those of ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (10)
1. the power supply of a wireless local network connecting point and data transmission device is characterized in that, comprising:
Data are divided wire module, are used for the former access data transmission cable of radio communication base station is divided into first data line and second data line that is used to insert wireless local network connecting point WLAN AP that is used to insert said radio communication base station;
The digital signal modulator-demodulator, the analog or digital modulating and demodulating signal that is used for second data line is transmitted becomes the Ethernet data signal;
Power supply divides wire module, is used for the former access power cable of radio communication base station is divided into first power line and the second source line that is used to WLAN AP power supply that is used to insert said radio communication base station;
Supply module, being used for through the signal of telecommunication that said second source line provides is said digital signal modulator-demodulator and POE POE module for power supply;
The POE module, the signal of telecommunication and the said Ethernet data signal that are used for said supply module is provided synthesize, and obtain being used to import the composite signal of WLAN AP, and said composite signal comprises the said signal of telecommunication and said Ethernet data signal.
2. device according to claim 1; It is characterized in that; Said data divide wire module to be specially first diverter switch; According to first strategy of formulating in advance, confirm the quantity of said first data line and said second data line, and in view of the above former access data transmission cable is divided into first data line and second data line.
3. device according to claim 1; It is characterized in that; Said power supply divides wire module to be specially second diverter switch; According to second strategy of formulating in advance, confirm the quantity of said first power line and said second source line, and in view of the above former access power cable is divided into first power line and second source line.
4. device according to claim 1 is characterized in that, said digital signal modulator-demodulator comprises various digital subscriber line xDSL modulator-demodulators or optical-electrical converter or ONT Optical Network Terminal ONT.
5. according to any described device of claim 1 to 4, it is characterized in that said power supply divides wire module to comprise duplex air earth leakage circuit-breaker, zero line row and ground connection row;
Said duplex air earth leakage circuit-breaker is used for controlling the connecting and disconnecting of said former access power cable live wire, and live wire in the said former access power cable is divided into first live wire and second live wire;
Said zero line row is used for said former access power cable zero line is divided into first zero line and second zero line, and zero line, first zero line and second zero line in the said former access power cable of tandem;
Said ground wire row is used for said former access power cable ground wire is divided into first ground wire and second ground wire, and ground wire, first ground wire and second ground wire in the said former access power cable of tandem;
First live wire, first zero line and first ground wire constitute first power line; Second live wire, second zero line and second ground wire constitute the second source line.
6. according to any described device of claim 1 to 4, it is characterized in that said supply module comprises:
The full-wave rectifying circuit unit is used for the electric current of second source line of input is carried out full-wave rectification and Filtering Processing, the primary current unification in the second source line is shaped to the direct current of predeterminated voltage value;
The direct current transformation circuit unit; Be used for the direct current of said predeterminated voltage value is changed into the dc signal of the operational voltage value of said digital signal modulator-demodulator and said POE module, to be respectively said digital signal modulator-demodulator and POE POE module for power supply.
7. device according to claim 6 is characterized in that, also comprises:
Timing control unit is used to receive the timing controlled data, and said timing controlled data comprise preset period of time data and switch control data;
The timing switch circuit unit is used for the timing controlled data according to said timing control unit input, and the signal of telecommunication that offers said digital signal modulator-demodulator and said POE module is carried out timing switch control.
8. device according to claim 7 is characterized in that, the operational voltage value of said digital signal modulator-demodulator comprises first magnitude of voltage and second magnitude of voltage;
Said direct current transformation circuit unit specifically changes the direct current of said predeterminated voltage value into the dc signal of operational voltage value of dc signal and said POE module of dc signal, second magnitude of voltage of first magnitude of voltage;
Said device also comprises either-or switch; Be used for operational voltage value, from the dc signal of the dc signal of said first magnitude of voltage and second magnitude of voltage, select one and export to said digital signal modulator-demodulator according to the actual demand of said digital signal modulator-demodulator.
9. device according to claim 8 is characterized in that, said predeterminated voltage value is specially 220V;
Said first magnitude of voltage is specially 9V;
Said second magnitude of voltage is specially 12V;
The operational voltage value of said POE module is specially 48V.
10. according to any described device of claim 1 to 4; It is characterized in that said radio communication base station comprises: personal handyphone system PHS base station or global system for mobile communications GSM base station or code division multiple access CDMA mobile communication system base station or CDMA2000 base stations in mobile communication system or WCDMA WCDMA base stations in mobile communication system or time-division synchronous code division multiple access TD-SCDMA base stations in mobile communication system or Long Term Evolution LTE base stations in mobile communication system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110008605.1A CN102571365B (en) | 2010-12-08 | 2011-01-17 | Power supply and data transmission device of wireless local area network access point |
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| CN201110008605.1A CN102571365B (en) | 2010-12-08 | 2011-01-17 | Power supply and data transmission device of wireless local area network access point |
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| CN105227326A (en) * | 2014-06-13 | 2016-01-06 | 中兴通讯股份有限公司 | A kind of method and apparatus of reverse power supply |
| CN104883261A (en) * | 2015-05-13 | 2015-09-02 | 千目聚云数码科技（上海）有限公司 | Pluggable network power supply module and power supply system |
| CN104883261B (en) * | 2015-05-13 | 2018-05-29 | 千目聚云数码科技（上海）有限公司 | Pluggable network power supply module and electric power system |
| CN106879024A (en) * | 2017-02-27 | 2017-06-20 | 新华三技术有限公司 | A kind of method of supplying power to and access point apparatus |
| CN107762189A (en) * | 2017-09-08 | 2018-03-06 | 无限城市（北京）科技有限公司 | A kind of internal structure of phonebooth casing |
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